:root {
    --main-color: #1d1b3a !important;
    --bg-dark: #070d19;
    --bg-dark-card: #0e172a;
    --bg-light: #f8fafc;
    --primary-blue: #0052ff;
    --primary-cyan: #00f0ff;
    --primary-teal: #0d9488;
    --accent-gold: #eab308;
    --accent-amber: #f59e0b;
    --accent-orange: #f97316;
    --text-navy: #0f172a;
    --text-muted: #64748b;
    --text-white: #ffffff;
    --glass-bg: rgba(15, 23, 42, 0.75);
    --glass-border: rgba(255, 255, 255, 0.12);
    --glass-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    --gold: #f3d9a0;
    --gold2: #e7bf6a;
    --cream: #fbf1dd;
    --purple: #9b6bc4;
    --blue: #1f5fae;
    --sky: #eef3fa;
    --muted: #5b5f78;
    --black: #07070b;
    --grad: linear-gradient(90deg, #0b1d3a 0%, #1e5fae 35%, #cfd9c8 65%, #e4cf9b 78%, #5a6070 88%, #14112b 100%);
    --font-family-key: 'Roboto Condensed';
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-key);
    background-color: var(--bg-light);
    color: var(--text-navy);
    line-height: 1.6;
    overflow-x: hidden;
    font-size: 18px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    outline: none;
    font-family: inherit;
}

.h2 {
    font-size: clamp(30px, 4.4vw, 50px);
    font-weight: 800;
    line-height: 1.3;
    text-transform: uppercase;
    margin-bottom: 20px;
    color: var(--main-color);
    margin-top: 0px;
}

.h2 span {
    color: #d12032;
}

.h2--light {
    color: #fff
}

/* ==========================================================================
   HEADER & NAVBAR
   ========================================================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.header-toolbar {
    /* background: #f9f9f9; */
    color: #f7e0b3 !important;
    font-size: 73%;
    background: radial-gradient(circle at 8% 100%, rgba(40, 105, 255, 0.95) 0%, rgba(18, 65, 190, 0.75) 22%, rgba(8, 28, 90, 0.35) 42%, transparent 65%), linear-gradient(135deg, #080d17 0%, #101522 45%, #080b12 100%);
    padding: 4px 0px;
    text-align: center;
    font-weight: 600;
}

.header-main {
    position: relative;
    padding: 5px 0px 5px;
    background: #fff;
}

.header-main .row {
    display: flex;
    align-items: center;
    justify-content: center;
}

@media(max-width: 767px) {
    .row {
        margin: 0;
    }

    .header-main .row {
        display: block;
        margin: 0;
    }
}

.header-main .logo {
    display: block;
    position: relative;
    z-index: 1;
    text-align: center;
}

.header-main .logo img {
    display: inline-block;
    max-height: 70px;
}

.form-search {
    margin: 0px;
    position: absolute;
    right: 0px;
    width: 367px;
    display: none;
    top: -69px;
    z-index: 10;
    border-radius: 8px;
    overflow: hidden;
    /* box-shadow: rgba(0, 0, 0, 0.35) 0px 5px 15px; */
    border: 1px solid var(--main-color);
}

.form-search .search {
    position: relative;
    min-height: 40px;
}

.form-search .search select {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    height: 100%;
    border: none;
    padding: 0px 6px;
    background: #fff;
}

.icon-cart {
    position: absolute !important;
    top: 0px;
    right: 15px;
    z-index: 9;
    line-height: normal;
    border: 1px solid var(--main-color);
    width: 42px;
    height: 42px;
    border-radius: 60px;
    padding: 11px 5px 5px 5px;
    display: none;
}

.icon-cart img {
    max-height: 45px;
}

.icon-cart i {
    color: var(--main-color);
    font-style: normal;
    display: inline-block;
    position: relative;
    font-size: 18px;
}

@media(max-width: 991px) {
    .icon-search {
        top: 27px;
        font-size: 128%;
    }

    .form-search {
        margin: 8px 0px;
        top: 4px;
    }

    .form-search .search {
        width: 100%;
        max-width: inherit;
        height: 38px;
    }

    .icon-cart {
        top: 25px;
        right: 10px;
    }

    .icon-cart img {
        height: 30px;
    }

    .header-main .logo img {
        max-height: 50px;
    }
}

@media(max-width: 767px) {
    .icon-cart i {
        font-size: 22px;
    }
}

.icon-cart span {
    position: absolute;
    top: -5px;
    left: 28px;
    background: var(--main-color);
    color: #fff;
    border-radius: 50px;
    width: 22px;
    height: 22px;
    text-align: center;
    font-size: 11px;
    line-height: 20px;
    padding-left: 1px;
    border: 1px solid #fff;
}

@media(max-width: 767px) {
    .icon-cart span {
        left: auto;
        right: -6px;
        width: 18px;
        height: 18px;
        line-height: 18px;
        border: none;
        text-align: center;
        top: 2px;
        font-size: 11px;
    }
}

@media(max-width: 767px) {
    .icon-search {
        height: 51px;
        line-height: 51px;
        right: 40px;
    }

    .form-search {
        width: 282px;
    }

    .form-search .search {
        max-width: inherit;
        height: 36px;
        width: 100%;
        min-height: 36px;
    }

    .icon-cart {
        top: -45px;
        right: 5px;
        width: 36px;
        height: 36px;
        padding: 7px 5px 5px 5px;
        border: none;
    }

    .icon-cart i {}
}

.form-search .search img {
    width: 18px;
    filter: brightness(0) invert(1);
    -webkit-filter: brightness(0) invert(1);
    -moz-filter: brightness(0) invert(1);
    -o-filter: brightness(0) invert(1);
    -ms-filter: brightness(0) invert(1);
}

.form-search .search input {
    position: absolute;
    width: 100%;
    height: 100%;
    border: none;
    box-shadow: none;
    border-radius: 0px;
    padding: 2px 52px 2px 110px;
    padding: 2px 52px 2px 10px;
}

.form-search .search .btn {
    background: var(--main-color);
    /* background-image: -webkit-gradient(linear, left top, right top, from(#ff7e3e), to(#ff4000));
    background-image: -webkit-linear-gradient(left, #ff7e3e, #ff4000);
    background-image: -o-linear-gradient(left, #ff7e3e 0, #ff4000 100%);
    background-image: linear-gradient( 90deg, #ff7e3e, #ff4000); */
    position: absolute;
    border-radius: 0px;
    right: 0px;
    top: 0px;
    height: 100%;
    color: #fff;
    text-transform: uppercase;
    border: none;
    padding: 9px 14px;
    -webkit-transition: all 0.2s linear;
    -moz-transition: all 0.2s linear;
    -o-transition: all 0.2s linear;
    -ms-transition: all 0.2s linear;
    transition: all 0.2s linear;
}

.form-search .search .btn:hover {
    background: var(--main-color-hover);
}

@media(max-width: 767px) {
    .form-search .search img {
        width: 16px;
        top: 9px;
        left: 10px;
    }

    .form-search .search input {
        padding: 3px 44px 3px 17px;
    }

    .form-search .search .btn {
        padding: 0px 13px;
        line-height: 32px;
        font-size: 14px;
    }

    .form-search .search .btn span {
        display: none;
    }
}


header.site-header .container {
    max-width: 1700px;
    padding: 0px;
}

.header-inner {
    /* height: 56px; */
    display: flex;
    align-items: center;
    /* justify-content: center; */
    margin: 0px auto 0px;
}

.brand-title {
    font-size: 22px;
    font-weight: 900;
    color: #011c4b;
    letter-spacing: -0.02em;
}

.brand-highlight {
    color: #0052ff;
    background: linear-gradient(135deg, #0052ff, #00d2ff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-link {
    font-weight: 400;
    color: var(--main-color);
    padding: 8px 8px;
    border-radius: var(--radius-md);
    transition: all 0.25s ease;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
    color: var(--main-color);
    background: #e5f2ff;
    font-weight: 800;
}

.nav-link.nav-btn-register {
    background:
        radial-gradient(circle at 8% 100%,
            rgba(40, 105, 255, 0.95) 0%,
            rgba(18, 65, 190, 0.75) 22%,
            rgba(8, 28, 90, 0.35) 42%,
            transparent 65%),
        linear-gradient(135deg,
            #080d17 0%,
            #101522 45%,
            #080b12 100%);
    color: #f7e0b3 !important;
    font-weight: 800;
    padding: 8px 14px;
    border-radius: var(--radius-md);
    margin-left: 8px;
    box-shadow: 0 4px 12px rgba(1, 28, 75, 0.25);
    white-space: nowrap;
}

.nav-link.nav-btn-register:hover {
    background: #002b75;
    color: #ffffff !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(1, 28, 75, 0.35);
}

.hero__btns {
    /* position: absolute; */
    /* left: 32px; */
    /* bottom: 40px; */
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: auto;
}

/* BUTTONS - SLIDING TOGGLE CAPSULE (HERO & GLOBAL) */
.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    border-radius: 999px;
    font-weight: 850;
    text-transform: uppercase;
    font-size: 15px;
    letter-spacing: 0.04em;
    height: 60px;
    min-width: 250px;
    padding: 10px 20px;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.18);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.35s ease, border-color 0.35s ease;
    cursor: pointer;
    user-select: none;
    overflow: hidden;
}

.btn:hover {
    transform: translateY(-2.5px);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.28);
}

.btn:active {
    transform: translateY(-0.5px) scale(0.98);
}

/* Primary Button: Dark with Cream Border & Gold Orb */
.btn--dark {
    background: #121324;
    border: 4px solid #faeed5;
    color: #ffffff !important;
}

.btn--dark:hover {
    background: #181a30;
    border-color: #fff6e3;
    color: #ffffff !important;
}

/* Secondary Button: Warm Cream with Purple Orb */
.btn--cream {
    background: #faeed5;
    border: 4px solid #ffffff;
    color: #121324 !important;
}

.btn--cream:hover {
    background: #fff3dd;
    border-color: #ffffff;
    color: #121324 !important;
}

.btn--gold {
    background: linear-gradient(135deg, var(--gold), var(--gold2));
    color: var(--navy);
    border-color: var(--cream);
    padding: 14px 28px;
}

.btn--sm:hover .dot {
    left: calc(100% - 40px);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #ffffff;
    font-weight: 700;
    font-size: 13.5px;
    padding: 10px 24px;
    border-radius: var(--radius-full);
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.25);
    transition: all 0.3s ease;
    letter-spacing: 0.03em;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(15, 23, 42, 0.35);
    background: linear-gradient(135deg, #0052ff 0%, #0038b8 100%);
    color: #ffffff;
}

/* Orb Sphere inside .btn */
.dot {
    position: absolute;
    left: 6px;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    flex: none;
    z-index: 2;
    transition: left 0.52s cubic-bezier(0.34, 1.25, 0.64, 1), box-shadow 0.4s ease;
    will-change: left;
}

.dot--gold {
    background: radial-gradient(circle at 35% 32%, #fff6d6 0%, #f7de91 42%, #ebc461 80%, #dfb043 100%);
    box-shadow: 0 3px 12px rgba(223, 176, 67, 0.45), inset 0 1px 2px rgba(255, 255, 255, 0.85);
}

.dot--purple {
    background: radial-gradient(circle at 35% 32%, #8b5cf6 0%, #683db8 45%, #4c268f 80%, #301461 100%);
    box-shadow: 0 3px 12px rgba(76, 38, 143, 0.45), inset 0 1px 2px rgba(255, 255, 255, 0.5);
}

/* Text Element inside .btn */
.btn-text {
    display: inline-block;
    position: relative;
    z-index: 1;
    font-size: 18px;
    font-weight: 850;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    white-space: nowrap;
    transform: translateX(18px);
    transition: transform 0.52s cubic-bezier(0.34, 1.25, 0.64, 1);
    will-change: transform;
}

/* HOVER SLIDING SWAP ANIMATION (MORPH STYLE - HÌNH 2) */
.btn:hover .dot {
    left: calc(100% - 46px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}

.btn:hover .btn-text {
    transform: translateX(-18px);
}

.btn-row {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 24px
}

/*  */

.menu-toggle-btn {
    display: none;
    background: transparent;
    border: none;
    color: var(--main-color, #011c4b);
    font-size: 24px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    line-height: 1;
    transition: all 0.25s ease;
}

.menu-toggle-btn:hover {
    color: #0051bc;
}

@media (max-width: 1025px) {
    .header-inner {
        padding: 0px 10px;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    }

    .main-nav.active {
        display: flex;
        align-items: flex-start;
    }

    .header-main .row {
        display: block;
    }

    .menu-toggle-btn {
        display: block;
        position: absolute;
        top: -44px;
        z-index: 10000;
        right: 0;
    }
}

/* ==========================================================================
   SHARED SECTION COMPONENTS
   ========================================================================== */
section {
    padding: 90px 0;
    position: relative;
}

.section-badge {
    width: max-content;
    display: inline-flex;
    background: var(--main-color);
    color: #ffff;
    font-size: 16px;
    font-weight: 800;
    padding: 6px 20px;
    border-radius: var(--radius-full);
    letter-spacing: 0.08em;
    margin-bottom: 16px;
    text-transform: uppercase;
    border: 1px solid rgba(0, 82, 255, 0.2);
}

.section-title {
    font-size: 32px;
    font-weight: 800;
    line-height: 1.3;
    color: var(--main-color);
    margin-bottom: 20px;
    font-family: var(--font-family-key);
    margin-top: 10px;
}

.section-title.left-title {
    text-align: left;
    max-width: 300px;
}

.section-antoan .section-title.left-title {
    max-width: 100%;
}

.section-title.text-center {
    text-align: center;
}

.section-subtitle {
    font-size: 21px;
    color: var(--main-color);
    /* max-width: 780px; */
    line-height: 1.7;
    margin-bottom: 40px;
    margin: auto;
}

.text-white {
    color: #ffffff !important;
}

/* ==========================================================================
   PAGE 1: HERO SECTION
   ========================================================================== */
.hero-section {
    padding-top: 140px;
    padding-bottom: 30px;
    background: #eef3fa;
    background-image: url(../img1/9.png);
    background-repeat: no-repeat;
    background-size: 65% 100%;
    background-position: left;
    /* max-height: 100vh; */
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0px;
    align-items: center;
}

.eyebrow {
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--main-color);
    font-size: 18px;
    margin-bottom: 12px;
    line-height: 1.3;
}

.hero-title {
    font-size: clamp(56px, 8vw, 90px);
    font-weight: 800;
    line-height: 1;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    filter: drop-shadow(3px 4px 3px rgba(0, 0, 0, .18));
    margin: 6px 0 24px;
}

.highlight-cyan {
    color: #f0c56e;
}

.highlight-gold {
    color: #f0c56e;
}

.eyebrow--light {
    color: #fff
}

.pills {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px
}

.pill {
    border: 2px solid var(--main-color);
    border-radius: 999px;
    padding: 8px 22px;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 18px;
}

.lead {
    font-size: 23px;
    margin-bottom: 28px;
    font-weight: 400;
}

.hero-content {
    min-width: 0;
    max-width: 100%;
}

/* ==========================================================================
   HERO STAT CARDS - SLIDE 3 ITEMS (CHUẨN KÍCH THƯỚC BAN ĐẦU)
   ========================================================================== */
.stat-cards-wrapper {
    overflow: hidden;
    width: 100%;
    max-width: 100%;
    position: relative;
    border-radius: 22px;
}

.stat-cards {
    display: flex;
    gap: 16px;
    margin: 0;
    padding: 0;
    list-style: none;
    width: 100%;
    will-change: transform;
    transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.stat {
    flex: 0 0 calc((100% - 32px) / 3);
    width: calc((100% - 32px) / 3);
    min-width: calc((100% - 32px) / 3);
    max-width: calc((100% - 32px) / 3);
    box-sizing: border-box;
    background: #fff;
    border-radius: 22px;
    padding: 10px;
    box-shadow: 0 10px 30px rgba(20, 17, 43, .08);
    transition: transform .3s;
}

.stat:hover {
    transform: translateY(-6px);
}

.stat img {
    border-radius: 16px;
    aspect-ratio: 1.1;
    object-fit: cover;
    width: 100%;
    display: block;
    filter: grayscale(1);
    transition: filter 0.6s ease;
}

.stat.active img,
.stat:hover img {
    filter: none;
}

.stat p {
    background: #f2f2f4;
    border-radius: 14px;
    margin-top: 8px;
    margin-bottom: 0;
    padding: 10px;
    text-align: center;
    font-size: 16px;
    line-height: 1.3;
    font-weight: 700;
    color: var(--main-color);
}

@media (max-width: 768px) {
    .stat {
        flex: 0 0 calc((100% - 16px) / 2);
        width: calc((100% - 16px) / 2);
        min-width: calc((100% - 16px) / 2);
        max-width: calc((100% - 16px) / 2);
    }
}

.btn-hero {
    padding: 16px 44px;
    font-size: 18px;
    border-radius: var(--radius-md);
    background: radial-gradient(circle at 8% 100%, #2869fff2 0%, rgba(18, 65, 190, 0.75) 22%, rgba(8, 28, 90, 0.35) 42%, transparent 65%), linear-gradient(135deg, #080d17 0%, #101522 45%, #080b12 100%);
    box-shadow: 0 8px 20px rgba(13, 27, 42, 0.35);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    color: #f7e0b3 !important;
}

.btn-hero:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(13, 27, 42, 0.5);
    background: linear-gradient(135deg, #2c63a2 0%, #112238 60%, #080f1d 100%);
}

.hero-media {
    position: relative;
}

.hero-img {
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

/* ==========================================================================
   PAGE 2: VẤN ĐỀ THỰC TIỄN
   ========================================================================== */
.section-vandethuctien {
    background-image: url(../img1/bg2.png);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: right;
    position: relative;
}

.section-vandethuctien:before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    height: 100%;
    background-image: url(../img1/bg2-1.png);
    z-index: 10;
    width: 45%;
    background-position: right;
    background-repeat: no-repeat;
    background-size: contain;
    margin-top: -85px;
}

@media (min-width: 1500px) {
    .section-vandethuctien:before {
        width: 46%;
    }
}

@media (max-width: 1441px) {
    .section-vandethuctien:before {
        width: 54%;
    }
}

@media (max-width: 1310px) {
    .section-vandethuctien:before {
        width: 55%;
        z-index: 1;
    }
}

@media (max-width: 991px) {
    .section-vandethuctien:before {
        display: none;
    }
}

.section-vandethuctien .section-title {
    color: #f7e0b3 !important;
    font-size: 32px;
}

.section-vandethuctien .section-badge {
    background: var(--main-color);
    color: #fff;
    border-color: #ffff;
    border-radius: 12px;
    padding: 15px 25px;
    font-size: 14px;
    font-weight: 800;
}

.vandethuctien-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    align-items: center;
    margin-top: 20px;
    z-index: 10;
    position: relative;
}

.vande-card {
    margin-bottom: 24px;
}

.problems-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.problem-item {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 15px;
    border: 1px solid #bdbdbd;
    background: #f3f3f3;
    cursor: pointer;
    user-select: none;
    transform: translateX(0);
    transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1),
        border-color 0.6s cubic-bezier(0.25, 1, 0.5, 1),
        box-shadow 0.6s cubic-bezier(0.25, 1, 0.5, 1),
        background-color 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.problem-item:hover {
    border-color: rgba(18, 65, 190, 0.4);
    transform: translateX(4px);
}

.problem-item.highlighted {
    border: 1px solid var(--main-color, #1241be);
    box-shadow: 0 8px 24px rgba(18, 65, 190, 0.1);
    background: #f3f3f3;
    transform: translateX(6px);
}

.problem-item.highlighted .problem-desc {
    color: var(--main-color);
}

.problem-icon-box {
    flex-shrink: 0;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
    margin-left: -50px;
    background: #f3f3f3;
    position: relative;
    transition: background-color 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.problem-icon-box img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    position: absolute;
    top: 0px;
    left: 0;
    right: 0;
    bottom: 0;
    max-width: 60px;
    max-height: 60px;
    margin: auto;
    filter: opacity(0.5);
    transition: filter 0.6s cubic-bezier(0.25, 1, 0.5, 1),
        transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.problem-item.highlighted .problem-icon-box img {
    filter: opacity(1);
    transform: scale(1.06);
}

.problem-content {
    flex: 1;
}

.problem-title {
    font-size: 21px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-bottom: 6px;
    color: #8c9ba5;
    margin-top: 6px;
    transition: color 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.problem-item.highlighted .problem-title {
    color: #d12032;
}

.problem-desc {
    font-size: 18px;
    line-height: 1.55;
    color: #55657b;
    margin: 0px;
    transition: color 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.problem-item:not(.highlighted) .problem-title {
    color: #79889b;
}

.problem-item:not(.highlighted) .problem-desc {
    color: #8696ab;
}

.problem-item:not(.highlighted) .problem-icon-box svg {
    color: #a0aec0;
}

/* ==========================================================================
   06 LỢI ÍCH CỐT LÕI - HỌC XONG CREATOR NHẬN ĐƯỢC GÌ?
   ========================================================================== */
.section-vongthuchanh {
    background: url('../img1/bg3-1.png') no-repeat left center / cover,
        linear-gradient(90deg, #030610 0%, #0d1c3d 72%, #0a1833 100%);
    color: #ffffff;
    padding: 85px 0 95px;
    position: relative;
    overflow: hidden;
}

.vongthuchanh-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    z-index: 10;
    position: relative;
}

.vth-media {
    min-height: 420px;
    /* display: none; */
}

.vth-content {
    display: flex;
    flex-direction: column;
}

.vth-eyebrow {
    font-size: 14px;
    font-weight: 850;
    color: #e2e8f0;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.vth-heading {
    font-size: 38px;
    font-weight: 900;
    line-height: 1.25;
    color: #ffffff;
    text-transform: uppercase;
    margin: 0 0 28px;
}

.vth-heading span {
    color: #f7e0b3;
}

/* 6 Circular Orbs - Slide 3 Items Vô Hạn (Chuẩn Stat-Cards) */
.orbs-wrapper {
    overflow: hidden;
    width: 100%;
    max-width: 480px;
    position: relative;
    padding: 16px;
    margin: -10px 0 24px;
    box-sizing: border-box;
}

.orbs {
    display: flex;
    align-items: center;
    gap: 20px;
    margin: 0;
    padding: 0;
    list-style: none;
    width: 100%;
    flex-wrap: nowrap;
    will-change: transform;
    transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.orb {
    flex: 0 0 calc((100% - 50px) / 3);
    width: calc((100% - 50px) / 3);
    min-width: calc((100% - 50px) / 3);
    max-width: calc((100% - 50px) / 3);
    aspect-ratio: 1 / 1;
    border-radius: 50%;
    padding: 3px;
    background: linear-gradient(135deg, #777, #0f172a);
    border: 2px solid rgba(255, 255, 255, 0.25);
    opacity: 0.55;
    transition: transform 0.4s cubic-bezier(0.34, 1.25, 0.64, 1), opacity 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
    position: relative;
    cursor: pointer;
    box-sizing: border-box;
    overflow: hidden;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.orb img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease, filter 0.6s ease;
    filter: grayscale(1);
    pointer-events: none;
    overflow: hidden;
}

.orb.active,
.orb:hover {
    opacity: 1;
    transform: scale(1.12);
    border-color: #a855f7;
    box-shadow: 0 0 24px rgba(168, 85, 247, 0.7), 0 0 8px rgba(255, 255, 255, 0.8);
    z-index: 2;
}

.orb.active img,
.orb:hover img {
    filter: grayscale(0);
    transform: scale(1.05);
}

/* Benefit Details Box */
.benefit-text {
    min-height: 100px;
    margin-bottom: 24px;
}

.benefit-text h3 {
    font-size: 22px;
    text-transform: uppercase;
    font-weight: 850;
    margin: 0 0 10px;
    color: #f7e0b3;
    letter-spacing: 0.04em;
    transition: opacity 0.25s ease;
}

.benefit-text p {
    color: #cbd5e1;
    line-height: 1.6;
    margin: 0;
    max-width: 580px;
    transition: opacity 0.25s ease;
}

.vth-btn-row {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
}

/*  */
.section-lo-trinh {
    background-image: url(../img1/8.png);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    position: relative;
    padding-top: 200px;
}

.section-lo-trinh:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    background: #000;
    opacity: 0.2;
}

.section-lo-trinh .wrap-item {
    position: relative;
    z-index: 2;
}

section#lo-trinh .h2 span {
    color: #f7e0b3 !important;
}

section#lo-trinh .muted {
    color: #ffff;
}

.rm-cards-wrapper {
    overflow: hidden;
    width: 100%;
    max-width: 100%;
    position: relative;
    padding: 10px 0 20px;
    margin-top: 24px;
}

.rm-cards {
    display: flex;
    gap: 24px;
    margin: 0;
    padding: 0;
    list-style: none;
    width: 100%;
    will-change: transform;
    transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.rm-card {
    flex: 0 0 calc((100% - 48px) / 3);
    width: calc((100% - 48px) / 3);
    min-width: calc((100% - 48px) / 3);
    max-width: calc((100% - 48px) / 3);
    box-sizing: border-box;
    position: relative;
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 18px 22px;
    border-radius: 28px;
    background: #131326;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1),
        box-shadow 0.6s cubic-bezier(0.25, 1, 0.5, 1),
        background-color 0.6s cubic-bezier(0.25, 1, 0.5, 1),
        border-color 0.6s cubic-bezier(0.25, 1, 0.5, 1);
    cursor: pointer;
    user-select: none;
}

.rm-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 35px rgba(0, 0, 0, 0.45);
    border-color: rgba(255, 255, 255, 0.16);
}

.rm-card.active {
    background: #FFFFF5;
    border-color: #ffffff;
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.45), 0 0 24px rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
}

/* Thẻ BONUS màu vàng cam đặc trưng */
.rm-card.rm-card-bonus:not(.active) {
    background: #e5a855;
    border-color: #fcedbf;
}

.rm-card.rm-card-bonus:not(.active) .rm-num,
.rm-card.rm-card-bonus:not(.active) h4 {
    color: #0b1a3d;
}

.rm-card.rm-card-bonus:not(.active) p {
    color: #1e293b;
}

.rm-card.rm-card-bonus:not(.active) .rm-card-img img {
    filter: none;
}

.rm-card.rm-card-bonus.active {
    background: #ffffff;
    border-color: #e5a855;
    box-shadow: 0 14px 40px rgba(229, 168, 85, 0.35), 0 0 25px rgba(229, 168, 85, 0.25);
}

.rm-card.rm-card-bonus.active .rm-num {
    color: #d97706;
}

.rm-card-img {
    flex: 0 0 116px;
    width: 122px;
    height: 122px;
    border-radius: 20px;
    overflow: hidden;
    position: relative;
}

.rm-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    /* border-radius: 50%; */
    overflow: hidden;
    filter: grayscale(1);
    transition: filter 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.rm-card.active .rm-card-img img {
    filter: none;
}

.rm-card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
}

.rm-num {
    font-size: 32px;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 6px;
    color: #ffffff;
    letter-spacing: -0.02em;
    transition: color 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.rm-card.active .rm-num {
    color: #0d1733;
}

.rm-card h4 {
    font-size: 15px;
    font-weight: 800;
    line-height: 1.35;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    margin: 0 0 5px 0;
    color: #ffffff;
    transition: color 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.rm-card.active h4 {
    color: #0d1733;
}

.rm-card p {
    font-size: 14px;
    line-height: 1.4;
    margin: 0;
    color: #94a3b8;
    font-weight: 500;
    transition: color 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.rm-card.active p {
    color: #64748b;
}

@media (max-width: 1199px) {
    .rm-cards {
        gap: 18px;
    }

    .rm-card {
        padding: 16px 18px;
        gap: 14px;
        border-radius: 22px;
    }

    .rm-card-img {
        flex: 0 0 100px;
        width: 100px;
        height: 106px;
        border-radius: 16px;
    }

    .rm-num {
        font-size: 28px;
    }

    .rm-card h4 {
        font-size: 13px;
    }

    .rm-card p {
        font-size: 12px;
    }
}

@media (max-width: 991px) {
    .rm-cards-wrapper {
        max-width: 720px;
        margin: 20px auto 0;
        padding: 12px 4px 22px;
    }

    .rm-cards {
        gap: 16px;
        width: 100%;
        max-width: none;
    }

    .rm-card {
        flex: 0 0 calc((100% - 16px) / 2);
        width: calc((100% - 16px) / 2);
        min-width: calc((100% - 16px) / 2);
        max-width: calc((100% - 16px) / 2);
        padding: 16px 18px;
        gap: 16px;
        border-radius: 22px;
    }

    .rm-card-img {
        flex: 0 0 100px;
        width: 100px;
        height: 106px;
        border-radius: 16px;
    }

    .rm-num {
        font-size: 26px;
    }

    .rm-card h4 {
        font-size: 13.5px;
    }

    .rm-card p {
        font-size: 12px;
    }
}

/* Mobile: Hiển thị đúng 1 item hoàn hảo, căn giữa sang trọng và dễ đọc */
@media (max-width: 767px) {
    .rm-cards-wrapper {
        max-width: 440px;
        margin: 18px auto 0;
        padding: 12px 6px 24px;
    }

    .rm-cards {
        gap: 16px;
        width: 100%;
        max-width: none;
    }

    .rm-card {
        flex: 0 0 100%;
        width: 100%;
        min-width: 100%;
        max-width: 100%;
        padding: 18px 20px;
        gap: 18px;
        border-radius: 24px;
        box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
    }

    .rm-card.active {
        box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45), 0 0 24px rgba(255, 255, 255, 0.16);
    }

    .rm-card-img {
        flex: 0 0 96px;
        width: 96px;
        height: 102px;
        border-radius: 18px;
    }

    .rm-card-img img {
        border-radius: 18px;
    }

    .rm-num {
        font-size: 28px;
        margin-bottom: 4px;
    }

    .rm-card h4 {
        font-size: 14.5px;
        line-height: 1.35;
        margin-bottom: 5px;
    }

    .rm-card p {
        font-size: 13px;
        line-height: 1.45;
    }
}

@media (max-width: 480px) {
    .rm-cards-wrapper {
        max-width: 100%;
        padding: 10px 4px 20px;
        margin-top: 14px;
    }

    .rm-cards {
        gap: 14px;
    }

    .rm-card {
        flex: 0 0 100%;
        width: 100%;
        min-width: 100%;
        max-width: 100%;
        padding: 16px 18px;
        gap: 14px;
        border-radius: 20px;
    }

    .rm-card-img {
        flex: 0 0 88px;
        width: 88px;
        height: 94px;
        border-radius: 16px;
    }

    .rm-card-img img {
        border-radius: 16px;
    }

    .rm-num {
        font-size: 25px;
        margin-bottom: 3px;
    }

    .rm-card h4 {
        font-size: 13.5px;
        line-height: 1.3;
        margin-bottom: 4px;
    }

    .rm-card p {
        font-size: 12px;
        line-height: 1.4;
    }
}

@media (max-width: 360px) {
    .rm-card {
        padding: 14px 14px;
        gap: 12px;
        border-radius: 18px;
    }

    .rm-card-img {
        flex: 0 0 76px;
        width: 76px;
        height: 82px;
        border-radius: 14px;
    }

    .rm-card-img img {
        border-radius: 14px;
    }

    .rm-num {
        font-size: 22px;
        margin-bottom: 3px;
    }

    .rm-card h4 {
        font-size: 12px;
        margin-bottom: 3px;
    }

    .rm-card p {
        font-size: 11px;
    }
}

/* ==========================================================================
   PAGE 3: CÂU HỎI NGHỀ NGHIỆP MỚI
   ========================================================================== */
.section-cauhoi {
    background: #ffffff;
}

.section-cauhoi:before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    height: 100%;
    background-image: url(../landing/19.png);
    z-index: 10;
    width: 50%;
    background-position: right;
    background-repeat: no-repeat;
    background-size: contain;
}

.cauhoi-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
    margin-top: 20px;
}

.cauhoi-lead {
    font-size: 20px;
    color: #011c4b;
    font-weight: 400;
    margin-bottom: 12px;
}

.cauhoi-quote-card {
    border-radius: var(--radius-md);
    padding: 24px 28px;
    font-size: 20px;
    font-weight: 800;
    line-height: 1.5;
    margin-bottom: 24px;
}

.quote-old {
    /* background: #f8fafc; */
    /* border: 1.5px solid #e2e8f0; */
    color: #555555;
    padding: 0px;
    font-size: 30px;
}

.quote-new {
    color: var(--main-color);
    font-size: 34px;
    padding: 0px;
}

.cauhoi-pills {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.pill-item {
    font-size: 14px;
    font-weight: 800;
    padding: 8px 20px;
    border-radius: 12px;
    border: 1.5px solid #cbd5e1;
    color: var(--main-color);
    letter-spacing: 0.05em;
}

.cauhoi-img {
    border-radius: var(--radius-lg);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.08);
}

/* ==========================================================================
   PAGE 4: LỘ TRÌNH 02 NGÀY (SECTION-KHOANGTRONG)
   ========================================================================== */
.section-khoangtrong {
    background: #ffffff;
    padding: 70px 0 60px;
    position: relative;
    overflow: hidden;
}

.section-khoangtrong .container {
    background-image: none;
}

.kt-schedule-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
}

.kt-day-col {
    display: flex;
    flex-direction: column;
}

.kt-day-header {
    margin-bottom: 24px;
}

.kt-day-eyebrow {
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #0d1b3e;
    margin-bottom: 6px;
    display: block;
}

.kt-day-title {
    font-size: 26px;
    font-weight: 900;
    text-transform: uppercase;
    color: #0d1b3e;
    letter-spacing: 0.01em;
    line-height: 1.25;
    margin: 0;
}

.kt-cards-stack {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.kt-schedule-card {
    position: relative;
    border-radius: 22px;
    padding: 22px 28px 22px 140px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 125px;
    overflow: hidden;
    cursor: pointer;
    user-select: none;
    border: 5px solid rgb(255 255 255);
    background-color: #ffffff;
    background-image: url(../img1/22.png);
    background-size: cover;
    background-position: left 30%;
    background-repeat: no-repeat;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
    transition: transform 0.75s cubic-bezier(0.25, 1, 0.5, 1),
        box-shadow 0.75s cubic-bezier(0.25, 1, 0.5, 1),
        border-color 0.75s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Lớp overlay ban ngày kt-card-day1 - Morph crossfade siêu mượt phong cách PowerPoint */
.kt-schedule-card::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    inset: 0;
    background-color: #ffffff;
    background-image: url(../img1/23.png);
    background-size: cover;
    background-position: left 30%;
    background-repeat: no-repeat;
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.75s cubic-bezier(0.25, 1, 0.5, 1);
    pointer-events: none;
    z-index: 1;
}

.kt-schedule-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: #000;
    opacity: 0.1;
}

.kt-card-inner {
    position: relative;
    z-index: 2;
}

.kt-schedule-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 38px rgba(0, 0, 0, 0.35);
}

/* Trạng thái ban ngày (Active hoặc mang class kt-card-day1) */
.kt-schedule-card.active,
.kt-schedule-card.kt-card-day1 {
    border-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 14px 35px rgba(0, 0, 0, 0.12), 0 0 24px rgba(255, 255, 255, 0.2);
    transform: translateY(-4px) scale(1.015);
    background-image: none;
}

.kt-schedule-card.kt-card-day1::after {
    opacity: 0;
}

.kt-schedule-card.active::before,
.kt-schedule-card.kt-card-day1::before {
    opacity: 1;
}

.kt-card-title {
    font-weight: 800;
    line-height: 1.35;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    margin: 0 0 6px 0;
    color: #ffffff;
    transition: color 0.75s cubic-bezier(0.25, 1, 0.5, 1);
}

.kt-schedule-card.active .kt-card-title,
.kt-schedule-card.kt-card-day1 .kt-card-title {
    color: #111827;
}

.kt-card-desc {
    font-size: 17px;
    line-height: 1.45;
    margin: 0;
    font-weight: 400;
    color: #ffff;
    transition: color 0.75s cubic-bezier(0.25, 1, 0.5, 1);
}

.kt-schedule-card.active .kt-card-desc,
.kt-schedule-card.kt-card-day1 .kt-card-desc {
    color: #4b5563;
}

.kt-bottom-block {
    margin-top: 40px;
}

.kt-bottom-title {
    font-size: 20px;
    font-weight: 900;
    text-transform: uppercase;
    color: #0d1b3e;
    letter-spacing: 0.01em;
    margin: 0 0 10px 0;
    line-height: 1.3;
}

.kt-bottom-desc {
    line-height: 1.6;
    color: #475569;
    margin: 0;
    font-weight: 400;
}

.kt-bottom-left {
    max-width: 500px;
    text-align: left;
}

.kt-bottom-right {
    max-width: 520px;
    margin-left: auto;
    text-align: right;
}

@media (max-width: 991px) {
    .kt-schedule-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .kt-bottom-right {
        margin-left: 0;
        text-align: left;
    }

    .kt-bottom-block {
        margin-top: 24px;
    }
}

@media (max-width: 576px) {
    .section-khoangtrong {
        padding: 45px 0 35px;
    }

    .kt-day-title {
        font-size: 22px;
        margin-bottom: 16px;
    }

    .kt-schedule-card {
        padding: 18px 20px 18px 85px;
        border-radius: 18px;
        min-height: 110px;
    }

    .kt-card-title {
        font-size: 14px;
    }

    .kt-card-desc {
        font-size: 12px;
    }

    .kt-bottom-title {
        font-size: 18px;
    }

    .kt-bottom-desc {
        font-size: 14px;
    }
}

/* ==========================================================================
   PAGE 5: 03 BƯỚC HÀNH ĐỘNG NHANH (SECTION-DOITUONG)
   ========================================================================== */
.section-doituong {
    position: relative;
    background-image: url(../img1/25.png);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 110px 0 100px;
    overflow: hidden;
    color: #ffffff;
}

.section-doituong::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(7, 13, 25, 0.9) 0%, rgba(7, 13, 25, 0.55) 45%, rgba(7, 13, 25, 0.1) 100%);
    pointer-events: none;
    z-index: 1;
}

.dt-wrapper {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

/* Cột trái */
.dt-hero-content {
    flex: 0 0 48%;
    max-width: 540px;
}

.dt-eyebrow {
    display: inline-block;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 16px;
    opacity: 0.95;
}

.dt-hero-title {
    font-size: 50px;
    font-weight: 900;
    color: #ffffff;
    line-height: 1.25;
    letter-spacing: 0.01em;
    text-transform: uppercase;
    margin: 0 0 36px 0;
}

.dt-hero-btns {
    display: flex;
    flex-direction: column;
    gap: 18px;
    align-items: flex-start;
}

.dt-btn-pill {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    background: #ffffff;
    padding: 6px 28px 6px 8px;
    border-radius: 9999px;
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
    transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
    min-width: 250px;
}

.dt-btn-pill:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
    background: #fdfaf2;
    text-decoration: none;
}

.dt-btn-icon {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%, #7e52a0 0%, #4a2868 60%, #1c0e2d 100%);
    box-shadow: inset 0 -2px 6px rgba(0, 0, 0, 0.5), inset 0 2px 4px rgba(255, 255, 255, 0.3), 0 2px 6px rgba(0, 0, 0, 0.3);
    flex-shrink: 0;
}

.dt-btn-text {
    font-size: 15px;
    font-weight: 800;
    color: #121024;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    flex: 1;
    text-align: center;
    padding-right: 6px;
}

/* Cột phải: Vòng tròn Portal */
.dt-portal-container {
    flex: 0 0 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

.dt-portal-slider {
    position: relative;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    cursor: pointer;
    user-select: none;
}

/* Vòng xoay hình ảnh (Visual Rotator xoay 360 độ) */
.dt-portal-rotator {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    transition: transform 0.85s cubic-bezier(0.4, 0.0, 0.2, 1);
    will-change: transform;
    pointer-events: none;
}

/* Từng bước đồ họa */
.dt-portal-graphic {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.dt-portal-graphic.active {
    opacity: 1;
    visibility: visible;
}

/* Các vòng tròn thành phần */
.dt-ring-outer {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-size: cover;
    background-position: center;
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.65);
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.dt-ring-outer.ring-day {
    background-image: url(../img1/26.png);
    background-position: right center;
}

/* ==========================================================================
   BƯỚC 1: SỐ HÓA & HỒ SƠ (3 tầng: Day ngoài -> Night giữa -> Day tâm)
   ========================================================================== */
.step-1 .dt-ring-outer {
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.7);
}

.step-1 .dt-ring-mid {
    position: absolute;
    top: 11%;
    left: 11%;
    width: 78%;
    height: 78%;
    border-radius: 50%;
    background-image: url(../img1/25.png);
    background-size: cover;
    background-position: center;
    box-shadow: inset 0 0 25px rgba(0, 0, 0, 0.85), 0 0 25px rgba(0, 0, 0, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.step-1 .dt-ring-center {
    position: absolute;
    top: 25%;
    left: 25%;
    width: 50%;
    height: 50%;
    border-radius: 50%;
    background-image: linear-gradient(rgba(255, 255, 255, 0.90), rgba(240, 246, 255, 0.85)), url(../img1/26.png);
    background-size: cover;
    background-position: center;
    box-shadow: 0 0 25px rgba(0, 0, 0, 0.35), inset 0 0 20px rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.65);
}

/* ==========================================================================
   BƯỚC 2: TĂNG NĂNG SUẤT BẰNG AI (2 tầng: Day ngoài -> Night tâm)
   ========================================================================== */
.step-2 .dt-ring-outer {
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.7);
}

.step-2 .dt-ring-center {
    position: absolute;
    top: 16%;
    left: 16%;
    width: 68%;
    height: 68%;
    border-radius: 50%;
    background-image: url(../img1/25.png);
    background-size: cover;
    background-position: center;
    box-shadow: inset 0 0 35px rgba(0, 0, 0, 0.85), 0 0 30px rgba(0, 0, 0, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

/* ==========================================================================
   BƯỚC 3: KÍCH HOẠT THƯƠNG MẠI (2 tầng: Day toàn bộ -> Day Light Disc tâm)
   ========================================================================== */
.step-3 .dt-ring-outer {
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.65), 0 0 35px rgba(255, 220, 140, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.35);
}

.step-3 .dt-ring-center {
    position: absolute;
    top: 16%;
    left: 16%;
    width: 68%;
    height: 68%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.90) 0%, rgba(255, 255, 255, 0.76) 60%, rgba(255, 255, 255, 0.45) 100%);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    box-shadow: 0 0 35px rgba(255, 255, 255, 0.45), inset 0 0 25px rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.75);
}

/* ==========================================================================
   NỘI DUNG VĂN BẢN (Text Content) - Cố định ở tâm, không bị lộn ngược khi xoay
   ========================================================================== */
.dt-portal-content-wrap {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10;
}

.dt-portal-content {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 50px;
    opacity: 0;
    visibility: hidden;
    transform: scale(0.92);
    transition: opacity 0.35s ease, transform 0.35s ease, visibility 0.35s ease;
}

.dt-portal-content.active {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.dt-portal-content.fade-out {
    opacity: 0;
    transform: scale(0.88);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

/* Theme chữ tối (cho Bước 1 và Bước 3) */
.dt-portal-content.text-dark .dt-portal-title {
    color: #0b192c;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.3);
}

.dt-portal-content.text-dark .dt-portal-desc {
    color: #1e293b;
    font-weight: 500;
}

/* Theme chữ sáng (cho Bước 2) */
.dt-portal-content.text-light .dt-portal-title {
    color: #ffffff;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.7);
}

.dt-portal-content.text-light .dt-portal-desc {
    color: #ffffff;
    text-shadow: 0 1px 6px rgba(0, 0, 0, 0.6);
}

.dt-portal-title {
    font-size: 21px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    line-height: 1.3;
    margin: 0 0 12px 0;
    max-width: 310px;
}

.dt-portal-desc {
    font-size: 16.5px;
    line-height: 1.55;
    margin: 0;
    font-weight: 500;
    max-width: 300px;
}

/* Dots */
.dt-portal-dots {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 24px;
}

.dt-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.35);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dt-dot:hover {
    background: rgba(255, 255, 255, 0.7);
}

.dt-dot.active {
    background: #ffffff;
    width: 30px;
    border-radius: 12px;
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.75);
}

@media (max-width: 1199px) {
    .dt-portal-slider {
        width: 440px;
        height: 440px;
    }

    .dt-portal-title {
        font-size: 19px;
        margin-bottom: 10px;
    }

    .dt-portal-desc {
        font-size: 15px;
        max-width: 270px;
    }

    .dt-hero-title {
        font-size: 32px;
    }
}

@media (max-width: 991px) {
    .section-doituong {
        padding: 70px 0 60px;
    }

    .dt-wrapper {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }

    .dt-hero-content {
        max-width: 100%;
        flex: 0 0 100%;
    }

    .dt-hero-btns {
        align-items: center;
        justify-content: center;
    }

    .dt-portal-slider {
        width: 380px;
        height: 380px;
    }

    .dt-portal-title {
        font-size: 18px;
        margin-bottom: 8px;
    }

    .dt-portal-desc {
        font-size: 14px;
        max-width: 250px;
    }
}

@media (max-width: 767px) {
    .dt-portal-slider {
        width: 340px;
        height: 340px;
    }

    .dt-portal-title {
        font-size: 16.5px;
        margin-bottom: 6px;
    }

    .dt-portal-desc {
        font-size: 13px;
        line-height: 1.5;
        max-width: 235px;
    }
}

@media (max-width: 480px) {
    .dt-hero-title {
        font-size: 26px;
    }

    .dt-portal-slider {
        width: min(310px, calc(100vw - 36px));
        height: min(310px, calc(100vw - 36px));
    }

    .dt-portal-title {
        font-size: 15px;
        margin-bottom: 5px;
    }

    .dt-portal-desc {
        font-size: 12px;
        line-height: 1.45;
        max-width: 215px;
    }

    .dt-btn-pill {
        min-width: 220px;
        padding: 5px 20px 5px 6px;
    }

    .dt-btn-icon {
        width: 38px;
        height: 38px;
    }

    .dt-btn-text {
        font-size: 13.5px;
    }
}

@media (max-width: 360px) {
    .dt-portal-slider {
        width: 280px;
        height: 280px;
    }

    .dt-portal-title {
        font-size: 13.5px;
        margin-bottom: 4px;
    }

    .dt-portal-desc {
        font-size: 11px;
        line-height: 1.35;
        max-width: 190px;
    }
}

/* ==========================================================================
   PAGE 6: PHƯƠNG PHÁP ĐÀO TẠO (AI LIVESTREAM SHOWCASE)
   ========================================================================== */
.section-phuongphap {
    background: #ffffff;
    padding: 70px 0 65px;
    position: relative;
    overflow: hidden;
}

.livestream-section-inner {
    position: relative;
    width: 100%;
}

.livestream-carousel-wrapper {
    position: relative;
    width: 100%;
    margin: 0 auto;
}

.livestream-track-wrapper {
    width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    /* Firefox */
    padding: 24px 0 28px;
}

.livestream-track-wrapper::-webkit-scrollbar {
    display: none;
    /* Chrome, Safari */
}

.livestream-track {
    display: flex;
    gap: 22px;
    align-items: center;
    width: max-content;
    padding: 0 45px;
}

.livestream-card {
    flex: 0 0 285px;
    width: 285px;
    height: 506px;
    /* ~9:16 standard portrait ratio */
    border-radius: 28px;
    position: relative;
    background: #e6e2ee;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    transition: transform 0.35s cubic-bezier(0.25, 1, 0.5, 1), box-shadow 0.35s ease;
    cursor: pointer;
    overflow: hidden;
    user-select: none;
}

.livestream-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.16);
    z-index: 2;
}

.livestream-media {
    width: 100%;
    height: 100%;
    position: relative;
    border-radius: 28px;
    overflow: hidden;
    background: #0f172a;
}

.livestream-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 28px;
    background: #0f172a;
    transition: opacity 0.3s ease;
}

.livestream-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 58px;
    height: 58px;
    background: rgba(0, 0, 0, 0.42);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1.5px solid rgba(255, 255, 255, 0.35);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    pointer-events: none;
    transition: opacity 0.28s ease, transform 0.28s ease;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    padding-left: 3px;
    /* optical centering of play arrow */
}

.livestream-play-btn svg {
    display: block;
    transition: transform 0.25s ease;
}

.livestream-card:hover .livestream-play-btn {
    transform: translate(-50%, -50%) scale(1.08);
}

.livestream-card.is-playing .livestream-play-btn {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.7);
    pointer-events: none;
}

/* Navigation Arrow Buttons */
.livestream-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #ffffff;
    border: none;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.16);
    color: #1e293b;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.25s ease;
    outline: none !important;
}

.livestream-nav.prev {
    left: 36px;
}

.livestream-nav.next {
    right: 36px;
}

.livestream-nav:hover {
    background: #002b75;
    color: #ffffff;
    transform: translateY(-50%) scale(1.08);
    box-shadow: 0 8px 24px rgba(0, 43, 117, 0.3);
}

.livestream-nav:active {
    transform: translateY(-50%) scale(0.96);
}

/* Bottom Description / Caption */
.livestream-caption {
    margin-top: 38px;
    font-size: 19px;
    line-height: 1.65;
    color: #1e293b;
    font-weight: 500;
    text-align: center;
    max-width: 820px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 15px;
    letter-spacing: 0.01em;
}

@media (max-width: 1200px) {
    .livestream-card {
        flex: 0 0 260px;
        width: 260px;
        height: 462px;
    }

    .livestream-nav.prev {
        left: 20px;
    }

    .livestream-nav.next {
        right: 20px;
    }

    .livestream-caption {
        font-size: 17.5px;
    }
}

@media (max-width: 991px) {
    .section-phuongphap {
        padding: 50px 0 45px;
    }

    .livestream-card {
        flex: 0 0 230px;
        width: 230px;
        height: 409px;
        border-radius: 22px;
    }

    .livestream-media,
    .livestream-video {
        border-radius: 22px;
    }

    .livestream-nav {
        width: 44px;
        height: 44px;
    }

    .livestream-nav.prev {
        left: 12px;
    }

    .livestream-nav.next {
        right: 12px;
    }

    .livestream-caption {
        font-size: 16px;
        margin-top: 28px;
    }
}

@media (max-width: 767px) {
    .livestream-card {
        flex: 0 0 195px;
        width: 195px;
        height: 347px;
        border-radius: 18px;
    }

    .livestream-media,
    .livestream-video {
        border-radius: 18px;
    }

    .livestream-play-btn {
        width: 46px;
        height: 46px;
    }

    .livestream-play-btn svg {
        width: 18px;
        height: 18px;
    }

    .livestream-track {
        gap: 14px;
        padding: 0 20px;
    }

    .livestream-nav {
        width: 38px;
        height: 38px;
    }

    .livestream-nav svg {
        width: 18px;
        height: 18px;
    }

    .livestream-caption {
        font-size: 14.5px;
        line-height: 1.55;
        margin-top: 22px;
    }
}


/* ==========================================================================
   PAGES 7 & 8: CHUẨN ĐẦU RA (CREATOR INCOME ROADMAP)
   ========================================================================== */
.section-chuandaura {
    background: #ffffff;
    padding: 0px 0 70px;
    position: relative;
}

.cir-header {
    margin-bottom: 35px;
    text-align: left;
}

.cir-eyebrow {
    display: block;
    font-weight: 800;
    letter-spacing: 0.08em;
    color: #1e293b;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.cir-title {
    font-size: 38px;
    font-weight: 850;
    color: #0f172a;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
    line-height: 1.25;
}

.cir-highlight {
    color: #c41c1c;
    font-weight: 850;
}

.cir-subtitle {
    font-size: 17.5px;
    line-height: 1.6;
    color: #475569;
    max-width: 880px;
    margin: 0;
}

/* Interactive Switcher Widget */
.cir-widget {
    display: flex;
    background: #131326;
    border-radius: 36px;
    overflow: hidden;
    box-shadow: 0 16px 36px rgba(19, 19, 38, 0.12);
    position: relative;
    min-height: 236px;
    margin-top: 25px;
}

.cir-tabs {
    width: 295px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    background: transparent;
    border-top-left-radius: 36px;
    border-bottom-left-radius: 36px;
    overflow: hidden;
}

.cir-tab {
    height: 78.6px;
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 0 26px;
    cursor: pointer;
    transition: all 0.28s ease;
    user-select: none;
    position: relative;
    box-sizing: border-box;
}

.cir-tab:first-child {
    border-top-left-radius: 36px;
}

.cir-tab:last-child {
    border-bottom-left-radius: 36px;
}

/* Inactive Tab State */
.cir-tab:not(.active) {
    background: #ede6f5;
    color: #475569;
    margin-right: 12px;
    border-radius: 0 24px 24px 0;
}

.cir-tab:not(.active):first-child {
    border-top-left-radius: 36px;
}

.cir-tab:not(.active):last-child {
    border-bottom-left-radius: 36px;
}

.cir-tab:not(.active):hover {
    background: #e4d9ef;
    color: #1e293b;
}

.cir-tab:not(.active):hover .cir-indicator {
    border-color: #8c6fa8;
}

/* Active Tab State */
.cir-tab.active {
    background: #131326;
    color: #ffffff;
    margin-right: 0;
    border-radius: 0;
}

.cir-tab.active:first-child {
    border-top-left-radius: 36px;
}

.cir-tab.active:last-child {
    border-bottom-left-radius: 36px;
}

/* Indicator Circle / 3D Spherical Orb */
.cir-indicator {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid #b8a6cb;
    flex-shrink: 0;
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    position: relative;
    box-sizing: border-box;
}

.cir-tab.active .cir-indicator {
    border: 2px solid #5a3d75;
    background: radial-gradient(circle at 35% 28%, #faf5ff 0%, #d8bdf2 26%, #7d539f 58%, #2d1445 100%);
    box-shadow: 0 4px 14px rgba(125, 83, 159, 0.5), inset 0 2px 4px rgba(255, 255, 255, 0.7);
    transform: scale(1.05);
}

.cir-tab-name {
    font-size: 17px;
    font-weight: 800;
    letter-spacing: 0.05em;
}

/* Right Content Card */
.cir-content-card {
    flex: 1;
    background: #131326;
    display: flex;
    align-items: center;
    padding: 35px 50px 35px 40px;
    border-top-right-radius: 36px;
    border-bottom-right-radius: 36px;
    position: relative;
    overflow: hidden;
}

.cir-content-pane {
    display: none;
    width: 100%;
}

.cir-content-pane.active {
    display: block;
    animation: cirFadeIn 0.35s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.cir-content-text {
    font-size: 25px;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.55;
    margin: 0;
    letter-spacing: 0.01em;
}

@keyframes cirFadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Bottom Goal Statement */
.cir-footer {
    margin-top: 55px;
    text-align: center;
}

.cir-goal-text {
    font-size: 21px;
    font-weight: 850;
    color: #1e293b;
    line-height: 1.55;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    max-width: 950px;
    margin: 0 auto;
}

@media (max-width: 1200px) {
    .cir-title {
        font-size: 32px;
    }

    .cir-content-text {
        font-size: 22px;
    }

    .cir-goal-text {
        font-size: 19px;
    }
}

@media (max-width: 991px) {
    .section-chuandaura {
        padding: 55px 0 50px;
    }

    .cir-title {
        font-size: 27px;
    }

    .cir-tabs {
        width: 250px;
    }

    .cir-tab {
        height: 70px;
        padding: 0 18px;
        font-size: 15px;
    }

    .cir-indicator {
        width: 38px;
        height: 38px;
    }

    .cir-content-card {
        padding: 30px 35px 30px 25px;
    }

    .cir-content-text {
        font-size: 19px;
    }

    .cir-goal-text {
        font-size: 17px;
    }
}

@media (max-width: 767px) {
    .cir-widget {
        flex-direction: column;
        border-radius: 24px;
        min-height: auto;
    }

    .cir-tabs {
        width: 100%;
        border-radius: 24px 24px 0 0;
    }

    .cir-tab {
        height: 60px;
        padding: 0 18px;
        margin-right: 0 !important;
        border-radius: 0 !important;
    }

    .cir-tab:first-child {
        border-top-left-radius: 24px !important;
        border-top-right-radius: 24px !important;
    }

    .cir-content-card {
        padding: 28px 22px;
        border-radius: 0 0 24px 24px;
    }

    .cir-content-text {
        font-size: 17px;
    }

    .cir-title {
        font-size: 22px;
    }

    .cir-subtitle {
        font-size: 15px;
    }

    .cir-goal-text {
        font-size: 14.5px;
        line-height: 1.5;
    }
}


/* ==========================================================================
   PAGES 9 & 10: GIÁ TRỊ HỮU HÌNH
   ========================================================================== */
/* ==========================================================================
   PAGES 9 & 10: CƠ CHẾ CÔNG BẰNG - CREATOR GIỮ GIÁ TRỊ DO MÌNH TẠO RA
   ========================================================================== */
.section-giatrihuuhinh {
    background: #252a2c;
    background-image: url(../img1/12.png);
    padding: 70px 0 80px;
    position: relative;
    overflow: hidden;
    color: #ffffff;
    background-position: bottom;
    background-repeat: no-repeat;
    background-size: cover;
}

section#gia-tri-huu-hinh.section-11 {
    background: none;
}

.coche-container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
}

.coche-grid {
    display: grid;
    grid-template-columns: 41% 59%;
    gap: 30px;
    align-items: center;
}

.coche-left-col {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.coche-hero-img {
    width: 100%;
    max-width: 480px;
    height: auto;
    display: block;
    filter: drop-shadow(0 15px 35px rgba(0, 0, 0, 0.55));
    transition: transform 0.4s ease;
    opacity: 0;
}

.coche-hero-img:hover {
    transform: scale(1.02);
}

.coche-right-col {
    padding-left: 10px;
}

.coche-header {
    text-align: right;
    margin-bottom: 26px;
}

.coche-eyebrow {
    display: block;
    font-weight: 800;
    letter-spacing: 0.08em;
    color: #ffffff;
    text-transform: uppercase;
    margin-bottom: 8px;
    opacity: 0.95;
}

.coche-title {
    font-size: 34px;
    font-weight: 850;
    color: #ffffff;
    letter-spacing: 0.01em;
    line-height: 1.25;
    margin: 0;
}

.coche-accent {
    color: #dfcaa0;
    /* warm gold / khaki */
    font-weight: 850;
}

.coche-cards-stack {
    display: flex;
    flex-direction: column;
    gap: 18px;
    position: relative;
}

/* Floating Morph Badge: Bàn tay robot cầm bông hoa di chuyển morph mượt mà giữa các card */
.coche-morph-badge {
    position: absolute;
    top: 0;
    right: -2px;
    width: 95px;
    height: auto;
    pointer-events: none;
    z-index: 10;
    will-change: transform;
    filter: drop-shadow(0 10px 18px rgba(0, 0, 0, 0.45));
    transition: transform 0.65s cubic-bezier(0.34, 1.25, 0.64, 1), opacity 0.35s ease;
}

.coche-badge-img {
    width: 100%;
    height: auto;
    display: block;
}

.coche-card {
    border: 1.5px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: 20px;
    padding: 22px 30px;
    position: relative;
    cursor: pointer;
    transition: border-color 0.45s ease, background 0.45s ease, box-shadow 0.45s ease;
}

.coche-card.active {
    border: 2px solid #ffffff;
    background: rgba(255, 255, 255, 0.055);
    box-shadow: 0 0 25px rgba(255, 255, 255, 0.15), inset 0 0 16px rgba(255, 255, 255, 0.03);
}

.coche-card-title {
    font-size: 19px;
    font-weight: 850;
    color: rgba(255, 255, 255, 0.65);
    letter-spacing: 0.03em;
    margin-top: 0;
    margin-bottom: 8px;
    transition: color 0.45s ease;
}

.coche-card.active .coche-card-title {
    color: #ffffff;
}

.coche-card-desc {
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.45);
    margin: 0;
    transition: color 0.45s ease;
    max-width: 550px;
}

.coche-card.active .coche-card-desc {
    color: rgba(255, 255, 255, 0.9);
}

@media (max-width: 1200px) {
    .coche-title {
        font-size: 30px;
    }

    .coche-card {
        padding: 18px 24px;
        border-radius: 18px;
    }

    .coche-card-title {
        font-size: 17.5px;
    }

    .coche-card-desc {
        font-size: 14px;
    }

    .coche-morph-badge {
        width: 85px;
    }
}

@media (max-width: 991px) {
    .section-giatrihuuhinh {
        padding: 55px 0 60px;
    }

    .coche-grid {
        grid-template-columns: 1fr;
        gap: 35px;
    }

    .coche-left-col {
        order: 2;
        max-width: 380px;
        margin: 0 auto;
    }

    .coche-right-col {
        order: 1;
        padding-left: 0;
    }

    .coche-header {
        text-align: left;
    }

    .coche-title {
        font-size: 26px;
    }

    .coche-hero-img {
        max-width: 340px;
    }

    .coche-morph-badge {
        width: 76px;
    }
}

@media (max-width: 767px) {
    .coche-header {
        margin-bottom: 20px;
    }

    .coche-title {
        font-size: 21px;
    }

    .coche-card {
        padding: 16px 20px;
        border-radius: 18px;
    }

    .coche-card-title {
        font-size: 15.5px;
    }

    .coche-card-desc {
        font-size: 13.5px;
        line-height: 1.5;
    }

    .coche-morph-badge {
        width: 66px;
        right: 0;
    }
}

@media (max-width: 480px) {
    .coche-title {
        font-size: 19.5px;
    }

    .coche-card {
        padding: 14px 16px;
        border-radius: 16px;
    }

    .coche-card-title {
        font-size: 14.5px;
        margin-bottom: 5px;
    }

    .coche-card-desc {
        font-size: 12.5px;
        line-height: 1.45;
    }

    .coche-morph-badge {
        width: 58px;
        right: 0;
    }

    .coche-hero-img {
        max-width: 260px;
        display: none;
    }
}

/* ==========================================================================
   PAGE 11: HỆ SINH THÁI SAU KHÓA HỌC
   ========================================================================== */
.section-noidungdaotao {
    background: #ffffff;
    padding: 75px 0 70px;
    position: relative;
}

.hst-header {
    text-align: left;
    margin-bottom: 35px;
}

.hst-eyebrow {
    display: block;
    font-weight: 800;
    letter-spacing: 0.08em;
    color: #1e293b;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.hst-title {
    font-size: 38px;
    font-weight: 850;
    color: #0f172a;
    letter-spacing: -0.01em;
    line-height: 1.25;
    margin: 0;
}

.hst-highlight {
    color: #c41c1c;
    font-weight: 850;
}

/* Stepped Enclosure Outer Frame */
.hst-enclosure {
    position: relative;
    width: 100%;
    margin-top: 25px;
}

.hst-frame-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.hst-content-inner {
    position: relative;
    z-index: 2;
    padding: 10px 0;
}

.hst-row-top {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding: 22px 30px;
    position: relative;
}

/* Morph Sliding Backdrop: Khối nền màu đen tím trượt ngang mượt mà kiểu Morph PowerPoint */
.hst-morph-slider {
    position: absolute;
    top: 0;
    left: 0;
    border-radius: 28px;
    background: #131326;
    border: 1.5px solid rgba(168, 85, 247, 0.38);
    box-shadow: 0 16px 36px rgba(19, 19, 38, 0.24);
    pointer-events: none;
    z-index: 1;
    will-change: transform, width, height;
    transition: transform 0.65s cubic-bezier(0.34, 1.25, 0.64, 1),
        width 0.4s ease,
        height 0.4s ease,
        opacity 0.3s ease;
}

.hst-row-bottom {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 68%;
    margin: 0 auto;
    padding: 10px 24px 24px;
    position: relative;
}

/* Item Styling */
.hst-item {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 16px 20px;
    border-radius: 28px;
    cursor: pointer;
    background: transparent;
    user-select: none;
    position: relative;
    z-index: 2;
    transition: none;
    /* Không có hiệu ứng nổi lên, chỉ trượt khối nền ngang */
}

.hst-thumb-box {
    width: 112px;
    height: 112px;
    flex-shrink: 0;
    border-radius: 20px;
    overflow: hidden;
    border: 3px solid #c8b6e2;
    transition: border-color 0.4s ease, box-shadow 0.4s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.hst-thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
    filter: grayscale(1);
}

.hst-item.active .hst-thumb-img {
    filter: grayscale(0);
}

.hst-info {
    flex: 1;
}

.hst-num {
    display: block;
    font-size: 28px;
    font-weight: 850;
    color: #0f172a;
    line-height: 1;
    margin-bottom: 6px;
    transition: color 0.4s ease;
}

.hst-item-title {
    font-size: 15px;
    font-weight: 800;
    color: #0f172a;
    letter-spacing: 0.04em;
    margin: 0 0 6px;
    text-transform: uppercase;
    transition: color 0.4s ease;
}

.hst-item-desc {
    font-size: 13.5px;
    line-height: 1.48;
    color: #475569;
    margin: 0;
    transition: color 0.4s ease;
}

/* Active & Hover States: Dùng morph slider chung trượt mượt mà cho cả top và bottom, không nổi lên (không transform translateY) */
.hst-item:hover,
.hst-item.active {
    background: transparent !important;
    box-shadow: none !important;
    transform: none !important;
}

.hst-item:hover .hst-thumb-box,
.hst-item.active .hst-thumb-box {
    border-color: #a855f7;
    box-shadow: 0 0 18px rgba(168, 85, 247, 0.45);
}

.hst-item:hover .hst-thumb-img,
.hst-item.active .hst-thumb-img {
    transform: scale(1.04);
}

.hst-item:hover .hst-num,
.hst-item.active .hst-num,
.hst-item:hover .hst-item-title,
.hst-item.active .hst-item-title {
    color: #ffffff;
}

.hst-item:hover .hst-item-desc,
.hst-item.active .hst-item-desc {
    color: rgba(255, 255, 255, 0.85);
}

@media (max-width: 1200px) {
    .hst-title {
        font-size: 32px;
    }

    .hst-row-top {
        padding: 18px 20px;
        gap: 16px;
    }

    .hst-row-bottom {
        max-width: 76%;
        padding: 10px 16px 20px;
        gap: 18px;
    }

    .hst-item {
        padding: 14px 16px;
        gap: 14px;
    }

    .hst-thumb-box {
        width: 98px;
        height: 98px;
    }
}

@media (max-width: 991px) {
    .section-noidungdaotao {
        padding: 55px 0 50px;
    }

    .hst-title {
        font-size: 27px;
    }

    .hst-frame-svg {
        display: none;
    }

    .hst-enclosure {
        border: 1.5px solid #e2e8f0;
        border-radius: 28px;
        padding: 15px;
        background: #fbfafd;
    }

    .hst-row-top {
        grid-template-columns: 1fr;
        padding: 10px;
        gap: 12px;
    }

    .hst-row-bottom {
        grid-template-columns: 1fr;
        max-width: 100%;
        padding: 0 10px 10px;
        gap: 12px;
    }
}

@media (max-width: 767px) {
    .hst-title {
        font-size: 21px;
    }

    .hst-item {
        padding: 12px 14px;
        border-radius: 20px;
    }

    .hst-morph-slider {
        border-radius: 20px;
    }

    .hst-thumb-box {
        width: 82px;
        height: 82px;
        border-radius: 16px;
    }

    .hst-num {
        font-size: 22px;
    }

    .hst-item-title {
        font-size: 14px;
    }

    .hst-item-desc {
        font-size: 12.5px;
    }
}

@media (max-width: 480px) {
    .hst-title {
        font-size: 19px;
    }

    .hst-enclosure {
        padding: 10px 8px;
        border-radius: 20px;
    }

    .hst-item {
        padding: 10px 12px;
        gap: 12px;
        border-radius: 16px;
    }

    .hst-morph-slider {
        border-radius: 16px;
    }

    .hst-thumb-box {
        width: 68px;
        height: 68px;
        border-radius: 14px;
    }

    .hst-num {
        font-size: 18px;
        margin-bottom: 2px;
    }

    .hst-item-title {
        font-size: 12.5px;
        margin-bottom: 3px;
    }

    .hst-item-desc {
        font-size: 11.5px;
        line-height: 1.4;
    }
}

/* ==========================================================================
   QUYỀN LỢI TIẾP NỐI: HƯỞNG 1 NĂM ĐƯỢC HỖ TRỢ & CẬP NHẬT LUẬT
   ========================================================================== */
.section-quyenloi {
    background: #0b0f19;
    color: #ffffff;
    padding: 90px 0 100px;
    position: relative;
    overflow: hidden;
}

.quyenloi-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 32px;
    margin-bottom: 48px;
}

.quyenloi-header-left {
    display: flex;
    flex-direction: column;
}

.quyenloi-eyebrow {
    font-size: 13.5px;
    font-weight: 850;
    color: #e2e8f0;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.quyenloi-title {
    font-size: 38px;
    font-weight: 900;
    line-height: 1.25;
    color: #ffffff;
    text-transform: uppercase;
    margin: 0;
    letter-spacing: -0.01em;
}

.quyenloi-accent {
    color: #f7e0b3;
}

.quyenloi-header-right {
    flex-shrink: 0;
}

.quyenloi-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: #ffffff;
    padding: 10px 24px 10px 20px;
    border-radius: 999px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.35);
}

.ql-badge-price {
    font-size: 28px;
    font-weight: 900;
    color: #0b0f19;
    line-height: 1;
    letter-spacing: -0.02em;
}

.ql-badge-text {
    display: flex;
    flex-direction: column;
    font-size: 11px;
    font-weight: 900;
    line-height: 1.25;
    color: #0b0f19;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* 4 Cards Grid with Morph Slider */
.quyenloi-grid {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
    align-items: stretch;
}

/* Morph Sliding Backdrop: Khối nền trắng ngà trượt mượt mà kiểu Morph PowerPoint như hst-item */
.quyenloi-morph-slider {
    position: absolute;
    top: 0;
    left: 0;
    border-radius: 26px;
    background: #fffdf2;
    border: 2px solid #ffffff;
    box-shadow: 0 16px 45px rgba(0, 0, 0, 0.45), 0 0 25px rgba(255, 253, 242, 0.16);
    pointer-events: none;
    z-index: 1;
    will-change: transform, width, height;
    transition: transform 0.65s cubic-bezier(0.34, 1.25, 0.64, 1),
        width 0.4s ease,
        height 0.4s ease;
}

.ql-card {
    background: #141a33;
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 26px;
    padding: 32px 24px 34px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
    cursor: pointer;
    user-select: none;
    position: relative;
    z-index: 2;
    transition: background-color 0.45s ease, border-color 0.45s ease, box-shadow 0.45s ease;
}

.ql-card:hover {
    transform: none !important;
}

/* Active State: Trong suốt để khối morph slider trượt bên dưới hiển thị nổi bật */
.ql-card.active {
    background: transparent !important;
    border-color: transparent !important;
    box-shadow: none !important;
    transform: none !important;
}

.ql-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 46px;
    margin-bottom: 22px;
}

.ql-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: #ffffff;
    color: #0e1526;
    transition: background-color 0.4s ease, color 0.4s ease;
}

.ql-card.active .ql-icon {
    background: #0e1526;
    color: #fffdf2;
}

.ql-pill {
    background: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    font-size: 11.5px;
    font-weight: 800;
    letter-spacing: 0.03em;
    padding: 5px 14px;
    border-radius: 999px;
    text-transform: uppercase;
    transition: background-color 0.4s ease, color 0.4s ease;
}

.ql-card.active .ql-pill {
    background: #0e1526;
    color: #ffffff;
}

.ql-card-title {
    font-size: 34px;
    font-weight: 900;
    line-height: 1;
    color: #ffffff;
    margin: 0 0 14px 0;
    letter-spacing: -0.02em;
    transition: color 0.4s ease;
}

.ql-card.active .ql-card-title {
    color: #0e1526;
}

.ql-card-subtitle {
    font-size: 15px;
    font-weight: 850;
    line-height: 1.45;
    color: #ffffff;
    margin: 0 0 16px 0;
    transition: color 0.4s ease;
}

.ql-card.active .ql-card-subtitle {
    color: #0e1526;
}

.ql-card-desc {
    font-size: 13.5px;
    line-height: 1.6;
    color: #94a3b8;
    margin: 0;
    font-weight: 450;
    transition: color 0.4s ease;
}

.ql-card.active .ql-card-desc {
    color: #475569;
}

/* Responsive */
@media (max-width: 1199px) {
    .quyenloi-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .quyenloi-title {
        font-size: 32px;
    }
}

@media (max-width: 767px) {
    .section-quyenloi {
        padding: 60px 0 70px;
    }

    .quyenloi-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
        margin-bottom: 36px;
    }

    .quyenloi-title {
        font-size: 26px;
    }

    .quyenloi-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .ql-card {
        padding: 24px 20px;
        border-radius: 22px;
    }

    .ql-card-title {
        font-size: 28px;
    }

    .ql-card-subtitle {
        font-size: 14px;
    }
}

/* ==========================================================================
   PAGE 12: GIÁ TRỊ HỮU HÌNH - CERTIFICATE + CREATOR AI MEMBER
   ========================================================================== */
.giatri-header {
    text-align: left;
    margin-bottom: 28px;
}

.giatri-eyebrow {
    display: block;
    font-size: 13.5px;
    font-weight: 800;
    letter-spacing: 0.08em;
    color: #1e293b;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.giatri-main-title {
    font-size: 38px;
    font-weight: 850;
    color: #0f172a;
    letter-spacing: -0.01em;
    line-height: 1.25;
    margin: 0 0 16px;
    text-align: left;
}

.giatri-title-cert {
    color: #c41c1c;
    font-weight: 850;
}

.giatri-subtitle {
    font-size: 15.5px;
    line-height: 1.65;
    color: #475569;
    max-width: 980px;
    margin: 0;
}

/* Outer border container */
.giatri-enclosure {
    border: 1.5px solid #232c42;
    border-radius: 40px;
    padding: 44px 48px;
    margin-top: 32px;
    background: #ffffff;
    box-sizing: border-box;
}

.giatri-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 40px;
    align-items: center;
}

/* Left Column: Tabs */
.giatri-tabs {
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.giatri-tab-item {
    border-radius: 26px;
    padding: 28px 32px;
    cursor: pointer;
    transition: all 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
    user-select: none;
    position: relative;
    border: 1.5px solid #dfdaf2;
    background: transparent;
}

.giatri-tab-title {
    font-size: 17px;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin: 0 0 10px;
    transition: color 0.3s ease;
    color: #63667e;
}

.giatri-tab-desc {
    line-height: 1.62;
    margin: 0;
    transition: color 0.3s ease;
    color: #73768f;
}

/* Active & Hover States */
.giatri-tab-item:hover:not(.active) {
    border-color: #b7a8ea;
    background: rgba(245, 243, 255, 0.5);
    transform: translateY(-2px);
}

.giatri-tab-item.active {
    background: #121324;
    border-color: transparent;
    box-shadow: 0 16px 36px rgba(18, 19, 36, 0.25);
    transform: translateY(-2px);
}

.giatri-tab-item.active .giatri-tab-title {
    color: #ffffff;
}

.giatri-tab-item.active .giatri-tab-desc {
    color: rgba(255, 255, 255, 0.8);
}

/* Right Column: Slide Preview */
.giatri-display {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.giatri-img-wrapper {
    position: relative;
    width: 100%;
    min-height: 280px;
    display: none;
    align-items: center;
    justify-content: center;
}

.giatri-img-wrapper.active {
    display: block;
}

.giatri-img-wrapper a.fancybox {
    display: none;
    width: 100%;
    text-align: center;
}

.giatri-img-wrapper a.fancybox.active {
    display: block;
}

.giatri-img-wrapper .giatri-img {
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    display: block;
    border-radius: 14px;
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
    margin: 0 auto;
}

.giatri-img-wrapper .giatri-img:hover {
    transform: scale(1.02);
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.16), 0 4px 12px rgba(0, 0, 0, 0.08);
}

.giatri-img-wrapper .giatri-img.tab-thecongdong {
    border-radius: 18px;
    max-width: 90% !important;
}

/* Slide Dots Navigation */
.giatri-dots {
    display: flex;
    gap: 8px;
    justify-content: center;
    align-items: center;
    margin-top: 18px;
}

.g-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #cbd5e1;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
}

.g-dot.active {
    background: #121324;
    width: 24px;
    border-radius: 10px;
}

/* Responsive */
@media (max-width: 1200px) {
    .giatri-main-title {
        font-size: 32px;
    }

    .giatri-enclosure {
        padding: 36px 36px;
    }

    .giatri-grid {
        gap: 30px;
    }
}

@media (max-width: 991px) {
    .section-vongthuchanh {
        padding: 55px 0 50px;
    }

    .section-vongthuchanh:before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        height: 100%;
        background: #000;
        opacity: 0.4;
    }

    .giatri-main-title {
        font-size: 26px;
    }

    .giatri-enclosure {
        padding: 24px 20px;
        border-radius: 28px;
    }

    .giatri-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .giatri-tab-item {
        padding: 22px 24px;
        border-radius: 20px;
    }
}

@media (max-width: 767px) {
    .giatri-main-title {
        font-size: 21px;
    }

    .giatri-subtitle {
        font-size: 14px;
    }

    .giatri-tab-title {
        font-size: 15px;
    }

    .giatri-tab-desc {
        font-size: 13.5px;
    }
}

@media (max-width: 480px) {
    .giatri-enclosure {
        padding: 16px 14px;
        border-radius: 20px;
    }

    .giatri-tab-item {
        padding: 16px 18px;
        border-radius: 16px;
    }

    .giatri-tab-title {
        font-size: 14px;
        margin-bottom: 6px;
    }

    .giatri-tab-desc {
        font-size: 12.5px;
        line-height: 1.45;
    }

    .giatri-img-wrapper {
        min-height: 200px;
    }
}

/* ==========================================================================
   PAGE 13: ĐĂNG KÝ ƯU ĐÃI (ROBOT HAND & DIGITAL BUTTERFLY)
   ========================================================================== */
.section-antoan {
    background: #ffffff;
    padding: 70px 0 75px;
    position: relative;
    overflow: hidden;
    background-position: bottom;
    background-repeat: no-repeat;
    background-size: cover;
    background-image: url(../img1/bg4-1.png);
}

.antoan-hero-wrapper {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    align-items: center;
    gap: 40px;
}

/* Left: Butterfly & Robot Hand Artwork */
.antoan-media-col {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.antoan-butterfly-img {
    max-width: 100%;
    height: auto;
    max-height: 540px;
    object-fit: contain;
    display: block;
    filter: drop-shadow(0 14px 32px rgba(99, 102, 241, 0.12));
    transition: transform 0.4s ease;
    opacity: 0;
}

.antoan-butterfly-img:hover {
    transform: scale(1.02);
}

/* Right: Offer & Registration */
.antoan-content-col {
    padding-left: 20px;
    text-align: left;
}

.antoan-eyebrow {
    display: block;
    font-size: 16px;
    font-weight: 850;
    letter-spacing: 0.08em;
    color: #0f172a;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.antoan-main-title {
    font-size: 40px;
    font-weight: 850;
    color: #0f172a;
    letter-spacing: -0.01em;
    line-height: 1.25;
    margin: 0 0 20px;
}

.antoan-price {
    color: #c41c1c;
    font-weight: 850;
}

.antoan-features {
    margin-bottom: 36px;
}

.antoan-feature-line {
    font-size: 15.5px;
    line-height: 1.75;
    color: #475569;
    margin: 0 0 6px;
    font-weight: 500;
}

/* CTA Buttons */
.antoan-btn-row {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.antoan-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 850;
    letter-spacing: 0.04em;
    height: 54px;
    min-width: 216px;
    padding: 0 24px;
    cursor: pointer;
    user-select: none;
    overflow: hidden;
    box-shadow: 0 10px 28px rgba(18, 19, 36, 0.28);
    transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease, transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.antoan-btn:hover {
    transform: translateY(-2.5px);
    box-shadow: 0 16px 36px rgba(18, 19, 36, 0.38);
}

.antoan-btn:active {
    transform: translateY(-0.5px) scale(0.98);
}

/* Primary Button: Dark with Cream Border & Gold Orb */
.antoan-btn-primary {
    background: #121324;
    border: 2px solid #faeed5;
    color: #ffffff !important;
}

.antoan-btn-primary:hover {
    background: #181a30;
    border-color: #fff6e3;
    color: #ffffff !important;
}

/* Secondary Button: Warm Cream with Purple Orb */
.antoan-btn-secondary {
    background: #faeed5;
    border: 2px solid #ffffff;
    color: #121324 !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.antoan-btn-secondary:hover {
    background: #fff3dd;
    border-color: #ffffff;
    color: #121324 !important;
}

/* Orb Sphere */
.antoan-orb {
    position: absolute;
    left: 6px;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    flex-shrink: 0;
    z-index: 2;
    transition: left 0.52s cubic-bezier(0.34, 1.25, 0.64, 1), box-shadow 0.4s ease;
    will-change: left;
}

.antoan-orb-gold {
    background: radial-gradient(circle at 35% 32%, #fff6d6 0%, #f7de91 42%, #ebc461 80%, #dfb043 100%);
    box-shadow: 0 3px 12px rgba(223, 176, 67, 0.45), inset 0 1px 2px rgba(255, 255, 255, 0.85);
}

.antoan-orb-purple {
    background: radial-gradient(circle at 35% 32%, #8b5cf6 0%, #683db8 45%, #4c268f 80%, #301461 100%);
    box-shadow: 0 3px 12px rgba(76, 38, 143, 0.45), inset 0 1px 2px rgba(255, 255, 255, 0.5);
}

/* Text Element */
.antoan-btn-text {
    display: inline-block;
    position: relative;
    z-index: 1;
    font-size: 15px;
    font-weight: 850;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    white-space: nowrap;
    transform: translateX(18px);
    transition: transform 0.52s cubic-bezier(0.34, 1.25, 0.64, 1);
    will-change: transform;
}

/* Smooth Slide Swap Animation on Hover (Morph Style) */
.antoan-btn:hover .antoan-orb {
    left: calc(100% - 46px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}

.antoan-btn:hover .antoan-btn-text {
    transform: translateX(-18px);
}

/* Responsive */
@media (max-width: 1200px) {
    .antoan-main-title {
        font-size: 34px;
    }

    .antoan-hero-wrapper {
        gap: 30px;
    }
}

@media (max-width: 991px) {
    .section-antoan {
        padding: 55px 0 50px;
    }

    .antoan-hero-wrapper {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }

    .antoan-content-col {
        padding-left: 0;
        text-align: center;
    }

    .antoan-main-title {
        font-size: 28px;
    }

    .antoan-btn-row {
        justify-content: center;
    }
}

@media (max-width: 767px) {
    .antoan-main-title {
        font-size: 22px;
    }

    .antoan-feature-line {
        font-size: 14px;
    }

    .antoan-btn-row {
        flex-direction: column;
        width: 100%;
        max-width: 320px;
        margin: 0 auto;
    }

    .antoan-btn {
        /* width: 100%; */
        justify-content: left;
        padding-left: 42px;
    }
}

/* ==========================================================================
   PAGE 14: TIÊU CHÍ ĐÁNH GIÁ
   ========================================================================== */
.section-tieuchi {
    background: #ffffff;
    padding-bottom: 10px;
}

.tieuchi-grid {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 40px;
}

.tc-card {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    padding: 32px 44px;
    display: flex;
    align-items: center;
    gap: 36px;
    background-size: cover;
    background-position: center right;
    background-repeat: no-repeat;
    box-shadow: 0 4px 12px rgb(0 0 0 / 18%);
    transition: all 0.3s ease;
}

.tc-card:nth-child(1) {
    background-image: url(../landing/1.png);
}

.tc-card:nth-child(2) {
    background-image: url(../landing/2.png);
}

.tc-card:nth-child(3) {
    background-image: url(../landing/3.png);
}

.tc-card:before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.95;
    background: linear-gradient(90deg, rgba(255, 255, 255, 1) 0%, rgb(255 255 255 / 67%) 60%, rgba(255, 255, 255, 0) 100%);
    box-shadow: 0 4px 12px rgb(0 0 0 / 18%);
}

.tc-card:hover {
    border-color: #0052ff;
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(0, 82, 255, 0.1);
}

.tc-percent {
    position: relative;
    z-index: 10;
    font-size: 36px;
    font-weight: 900;
    color: var(--main-color);
    min-width: 120px;
    letter-spacing: -0.02em;
}

.tc-content {
    position: relative;
    z-index: 10;
    max-width: 650px;
}

.tc-title {
    font-size: 25px;
    font-weight: 800;
    color: var(--main-color);
    margin-bottom: 8px;
    letter-spacing: 0.02em;
    line-height: 1.3;
    margin-top: 0px;
}

.tc-desc {
    font-size: 20px;
    color: var(--main-color);
    line-height: 1.6;
    margin: 0;
    max-width: 500px;
}

/* ==========================================================================
   PAGE 15: ĐỘI NGŨ ĐÀO TẠO
   ========================================================================== */
.section-doingudaotao {
    background: #ffffff;
    padding: 80px 0 60px;
}

.section-doingudaotao .section-badge {
    background: transparent;
    border: none;
    padding: 0;
    color: #0b1a3d;
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 0.04em;
    margin-bottom: 8px;
    display: block;
}

.section-doingudaotao .section-title {
    color: #0b1a3d;
    font-size: 32px;
    font-weight: 900;
    margin-bottom: 40px;
    letter-spacing: -0.01em;
}

.chuyengia-list {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.cg-card {
    display: grid;
    grid-template-columns: 204px 1fr;
    gap: 36px;
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 0;
    box-shadow: none;
    align-items: flex-start;
}

.cg-card .cg-avatar {
    position: relative;
    width: 204px;
    flex-shrink: 0;
}

.cg-card .cg-avatar:before {
    display: none !important;
}

.cg-img {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: 0;
    z-index: 2;
    position: relative;
    display: block;
}

.cg-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 6px;
}

.cg-name {
    font-size: 22px;
    font-weight: 800;
    color: #0b1a3d;
    margin: 0;
}

.cg-badge {
    background: #0f172a;
    color: #ffffff;
    font-size: 11px;
    font-weight: 800;
    padding: 4px 14px;
    border-radius: var(--radius-full);
}

.cg-role {
    font-weight: 700;
    color: #0b1a3d;
    margin: 0px 0px 10px;
}

.cg-bio {
    color: #334155;
    line-height: 1.65;
    margin-bottom: 0;
    text-align: justify;
}

.btn-cg-profile {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #0b1a3d;
    color: #ffffff !important;
    font-size: 16px;
    font-weight: 700;
    padding: 8px 22px;
    border-radius: 999px;
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.25s ease;
}

.btn-cg-profile:hover {
    background: #1e3a8a;
    color: #ffffff !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(11, 26, 61, 0.2);
}

/* ==========================================================================
   PAGE 16: ĐĂNG KÝ & FAQ
   ========================================================================== */
.section-dangky {
    background: #ffffff;
    padding-bottom: 0px;
}

.dangky-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 40px;
}

.hocphi-box {}

.hocphi-label {
    font-size: 22px;
    font-weight: 800;
    color: var(--main-color);
    margin-bottom: 12px;
    margin-top: 0px;
}

.hocphi-price {
    margin-bottom: 24px;
}

.price-val {
    font-size: 38px;
    font-weight: 800;
    color: #c00000;
}

.price-unit {
    font-size: 19px;
    font-weight: 800;
    color: #0f172a;
}

.hocphi-list {
    list-style: none;
    margin-bottom: 32px;
}

.hocphi-list li {
    font-size: 20px;
    color: var(--main-color);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.check-icon {
    color: var(--main-color);
    font-weight: 600;
    font-size: 19px;
}

.form-wrap {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-label {
    font-size: 13.5px;
    font-weight: 700;
    color: #0f172a;
}

.form-input {
    width: 100%;
    height: 48px;
    padding: 0 16px;
    border: 1.5px solid #cbd5e1;
    border-radius: var(--radius-sm);
    font-size: 14px;
    outline: none;
}

.form-input:focus {
    border-color: #0052ff;
}

.btn-dangky-now {
    height: 52px;
    font-size: 16px;
    font-weight: 800;
    border-radius: var(--radius-sm);
    background: var(--main-color);
    color: #f7e0b3 !important;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.03em;
}

.btn-dangky-now:hover {
    background: #002b75;
    color: #ffffff !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(1, 28, 75, 0.35);
}

.faq-main-title {
    font-size: 20px;
    font-weight: 900;
    color: #0f172a;
    margin-bottom: 24px;
    margin-top: 0px;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: #fcf3e0;
    border-radius: var(--radius-md);
    padding: 20px;
    cursor: pointer;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 18px;
    font-weight: 800;
    color: var(--main-color);
}

.faq-toggle-icon {
    font-size: 20px;
    font-weight: 900;
}

.faq-answer {
    display: none;
    margin-top: 10px;
    font-size: 17px;
    color: var(--main-color);
    line-height: 1.6;
}

.faq-item.active .faq-answer {
    display: block;
}

/* ==========================================================================
   PAGE 17: TRA CỨU CHỨNG NHẬN
   ========================================================================== */
.section-tracuu {
    background: #ffffff;
    padding-top: 0px;
}

.tracuu-box {
    background: #ffffff;
    border: none;
    border-radius: 0;
    padding: 10px 0;
    box-shadow: none;
    margin-top: 24px;
}

.tracuu-search-bar {
    position: relative;
    max-width: 600px;
    margin-bottom: 36px;
    display: flex;
    gap: 12px;
    align-items: center;
}

.search-icon-svg {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 26px;
    height: 26px;
    pointer-events: none;
}

.tracuu-input {
    flex: 1;
    height: 56px;
    padding-left: 60px;
    padding-right: 145px;
    border: 1.5px solid #858d99;
    border-radius: var(--radius-full);
    font-size: 15px;
    color: var(--main-color);
    outline: none;
    background: #ffffff;
    transition: all 0.3s ease;
}

.tracuu-input::placeholder {
    color: #94a3b8;
    font-weight: 400;
}

.tracuu-input:focus {
    border-color: var(--main-color);
    box-shadow: 0 0 0 3px rgba(1, 28, 75, 0.1);
}

.tracuu-btn {
    height: 56px;
    padding: 0 32px;
    background: var(--main-color);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-full);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.3s ease;
    position: absolute;
    right: 0;
}

.tracuu-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.tracuu-error-msg {
    color: #dc2626;
    font-size: 14px;
    margin-top: -24px;
    margin-bottom: 16px;
}

.tracuu-no-result {
    text-align: center;
    padding: 40px 20px;
}

.tracuu-no-result-text {
    font-size: 16px;
    color: #64748b;
    font-weight: 500;
}

.student-avatar-wrapper {
    flex-shrink: 0;
}

.student-avatar-img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #e2e8f0;
}

.tracuu-result-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.student-info-card {
    display: flex;
    gap: 32px;
    align-items: flex-start;
}

.student-avatar-placeholder {
    width: 170px;
    height: 200px;
    background: #ffffff;
    border: 1.5px solid #858d99;
    border-radius: 20px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    overflow: hidden;
    padding: 0;
    flex-shrink: 0;
}

.person-icon-svg {
    width: 100%;
    height: 100%;
    display: block;
}

.student-details {
    padding-top: 10px;
}

.student-card-title {
    font-size: 22px;
    font-weight: 800;
    color: var(--main-color);
    margin-bottom: 16px;
    margin-top: 0;
    letter-spacing: 0.02em;
}

.student-detail-item {
    font-size: 18px;
    font-weight: 800;
    color: var(--main-color);
    margin-bottom: 12px;
    line-height: 1.5;
}

.student-detail-item strong {
    font-weight: 700;
    color: var(--main-color);
}

.certificate-preview-card {
    text-align: center;
    position: relative;
    overflow: hidden;
    /* border-radius: var(--radius-md); */
}

.cert-slide {
    display: none;
    cursor: pointer;
}

.cert-slide.active {
    display: block;
}

.cert-img {
    width: 100%;
    /* border-radius: var(--radius-md); */
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
    margin-bottom: 16px;
    transition: transform 0.3s ease;
}

.cert-slide:hover .cert-img {
    transform: scale(1.02);
}

.cert-pagination {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.page-num {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1.5px solid #cbd5e1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    cursor: pointer;
}

.page-num.active {
    background: #0f172a;
    color: #ffffff;
    border-color: #0f172a;
}

/* ==========================================================================
   PAGE 18: ĐƠN VỊ BẢO TRỢ
   ========================================================================== */
.section-donvibaotro {
    background: #ffffff;
    padding-top: 0px;
}

.baotro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 48px;
    align-items: center;
    max-width: 800px;
    margin: auto;
}

.baotro-grid .baotro-logo-container img {}

.baotro-paragraph {
    font-size: 19px;
    color: var(--main-color);
    line-height: 1.8;
    margin-bottom: 18px;
    text-align: justify;
}

.ihrai-logo {
    max-width: 200px;
    margin: 0 auto;
}

/* ==========================================================================
   PAGE 19: FOOTER CALL TO ACTION BANNER
   ========================================================================== */
.section-footer-banner {
    padding: 0px 0px 80px;
    background: #ffffff;
}

.footer-banner-box {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    min-height: 320px;
    display: flex;
    align-items: center;
}

.fb-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
}

.fb-content {
    position: relative;
    z-index: 10;
    padding: 60px;
    color: #ffffff;
}

.fb-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    font-size: 12px;
    font-weight: 800;
    padding: 6px 18px;
    border-radius: var(--radius-full);
    margin-bottom: 20px;
}

.fb-title {
    font-size: 28px;
    font-weight: 800;
    line-height: 1.3;
}

.text-gold {
    color: #f7e0b3 !important;
}

/*  */
.home-banner,
.scroll-top {
    display: none !important;
}

.copyright {
    padding: 10px;
    text-align: center;
    font-size: 14px;
}

/* ==========================================================================
   RESPONSIVE DESIGN (TABLET & MOBILE)
   ========================================================================== */
@media (max-width: 991px) {

    .hero-wrapper,
    .vandethuctien-grid,
    .cauhoi-grid,
    .doituong-grid,
    .chuandaura-grid,
    .giatri-grid,
    .vongthuchanh-grid,
    .antoan-grid,
    .cg-card,
    .dangky-grid,
    .tracuu-result-grid,
    .baotro-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .vth-media {
        display: none;
    }

    .hero__btns {
        order: 1;
    }

    .fb-content {
        padding: 20px;
    }

    .khoangtrong-wrapper {
        flex-direction: column;
        align-items: center;
        min-height: auto;
        gap: 20px;
    }

    .kt-bg-center {
        position: relative;
        transform: none;
        left: 0;
        top: 0;
        max-width: 100%;
        margin: 20px 0;
    }

    .kt-col {
        width: 100%;
        max-width: 100%;
    }

    .kt-card-giaoan,
    .kt-card-danhgia,
    .kt-card-nghiencuu,
    .kt-card-hoclieu,
    .kt-card-dulieu,
    .kt-card-quytrinh {
        margin-left: 0 !important;
        margin-right: 0 !important;
    }

    .kt-footer-text {
        font-size: 16px;
    }

    .hero-title {
        font-size: 32px;
    }

    .khoangtrong-grid,
    .principles-grid,
    .cd-products-grid,
    .vth-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        margin: auto;
    }

    .principles-grid {
        grid-template-columns: repeat(1, 1fr);
        grid-template-rows: repeat(11, auto);
    }

    .duan-banner {
        padding: 28px 24px;
    }

    .duan-banner:before {
        background: linear-gradient(90deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.88) 70%, rgba(255, 255, 255, 0.4) 100%);
    }

    .duan-title {
        font-size: 19px;
    }

    .section-cauhoi:before {
        display: none;
    }

    .cg-card {
        padding-top: 0px;
    }

    .hero-stats-grid {
        margin-bottom: 15px;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 25px;
        margin-top: 10px;
    }

    .hero-stats-grid,
    .khoangtrong-grid,
    .cd-products-grid,
    .vth-stats-grid {
        grid-template-columns: 1fr 1fr;
        max-width: 100%;
    }

    .section-title {
        font-size: 24px;
    }

    .tc-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding: 20px 16px;
    }

    .tc-card:before {
        background: rgba(255, 255, 255, 0.94);
    }

    .tc-percent {
        font-size: 32px;
        min-width: auto;
    }

    .tc-title {
        font-size: 22px;
    }

    .tc-desc {
        font-size: 18px;
    }

    .student-info-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .duan-banner {
        padding: 20px 16px;
    }

    .duan-banner:before {
        background: rgba(255, 255, 255, 0.94);
    }

    .problem-item {
        margin-left: 20px;
    }

}

/* Mobile Side Drawer Menu */
@media (max-width: 991px) {
    section {
        padding: 50px 0px;
    }

    .section-vandethuctien {
        background-position: left;
    }

    .section-cauhoi {
        padding-bottom: 0px;
    }

    .hero-stat-card {
        padding: 10px 15px;
        background: #fff;
    }

    .stat-number {
        font-size: 16px;
    }

    .hero-section {
        height: auto;
        background-position: center;
        display: block;
        padding-top: 100px;
        background-image: none;
    }

    .section-badge {
        font-size: 12px;
        max-width: 100%;
    }

    .dt-card:nth-child(2n-1):before {
        background: linear-gradient(90deg, rgb(255 255 255 / 43%) 0%, rgb(255 255 255) 60%, rgba(255, 255, 255, 1) 100%);
    }

    .menu-top {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        bottom: 0 !important;
        width: 310px !important;
        max-width: 85vw !important;
        height: 100vh !important;
        background: #ffffff !important;
        z-index: 99999 !important;
        overflow-y: auto !important;
        box-shadow: 4px 0 25px rgba(0, 0, 0, 0.18) !important;
        transform: translateX(-100%) !important;
        transition: transform 0.3s ease-in-out !important;
        display: block !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    .menu-top.active,
    .menu-top.open {
        transform: translateX(0) !important;
    }

    .mobile-logo-header {
        display: block !important;
        padding: 24px 20px 20px !important;
        text-align: center !important;
        border-bottom: 1px solid #e2e8f0 !important;
        background: #ffffff !important;
    }

    .mobile-logo-header img {
        max-height: 95px !important;
        width: auto !important;
        margin: 0 auto !important;
        display: block !important;
    }

    .menu-top ul {
        list-style: none !important;
        margin: 0 !important;
        padding: 0 !important;
        display: block !important;
    }

    .menu-top ul>li {
        display: block !important;
        border-bottom: 1px solid #f1f5f9 !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    .menu-top ul>li>a {
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
        padding: 15px 20px !important;
        font-size: 15px !important;
        font-weight: 800 !important;
        color: #011c4b !important;
        text-transform: uppercase !important;
        text-decoration: none !important;
        transition: all 0.2s ease !important;
    }

    .menu-top ul>li:hover>a,
    .menu-top ul>li.active>a,
    .menu-top ul>li.expanded>a {
        color: #0052ff !important;
        background: #f8fafc !important;
    }

    .menu-top ul>li>a i.arrow-icon,
    .menu-top ul>li>a i.fa-angle-down {
        font-size: 16px !important;
        color: #011c4b !important;
        transition: transform 0.3s ease !important;
        margin-left: auto !important;
    }

    .menu-top ul>li.expanded>a i.arrow-icon,
    .menu-top ul>li.expanded>a i.fa-angle-down {
        transform: rotate(180deg) !important;
        color: #0052ff !important;
    }

    .menu-top ul>li>.sub {
        display: none;
        background: #f8fafc !important;
        padding: 6px 0 !important;
        border-top: 1px solid #e2e8f0 !important;
        list-style: none !important;
    }

    .menu-top ul>li>.sub>li {
        display: block !important;
        border: none !important;
    }

    .menu-top ul>li>.sub>li>a {
        display: block !important;
        padding: 10px 20px 10px 32px !important;
        font-size: 14px !important;
        font-weight: 600 !important;
        color: #475569 !important;
        text-transform: none !important;
    }

    .menu-top ul>li>.sub>li>a:hover {
        color: #0052ff !important;
    }

    .section-vandethuctien .section-title {
        font-size: 22px;
    }

    .quote-old,
    .quote-new {
        font-size: 24px;
    }

    .kt-footer-banner {
        padding: 0px;
    }

    .dt-card {
        background-size: cover;
    }

    .pp-steps-wrapper {
        align-items: start;
        justify-content: flex-start;
    }

    .pp-step-pill {
        display: flex;
        width: 100%;
    }

    .chuandaura-box,
    .nd-item {
        padding: 20px;
    }

    .nd-code,
    .nd-sub,
    .nd-body-content {
        /* font-size: 14px; */
    }

    .pr-column {
        margin: 0px;
    }

    .nd-toggle-btn {
        /* position: absolute; */
        /* right: 20px; */
        top: 20px;
        width: 32px;
        height: 32px;
        padding: 0;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        line-height: 1;
        flex-shrink: 0;
    }

    .nd-toggle-btn .nd-btn-text {
        display: none !important;
    }

    .nd-toggle-btn .nd-btn-icon {
        display: inline-block;
        font-size: 20px;
        font-weight: 700;
        line-height: 1;
    }

    .nd-title {
        font-size: 18px;
        /* max-width: 200px; */
        line-height: 1.5;
    }

    .principle-card {
        margin: 0px;
        height: auto;
        padding: 24px;
    }

    .cg-header .cg-header-right {
        display: flex;
        align-items: center;
        gap: 5px;
        flex-wrap: wrap;
        margin: auto;
    }

    .cg-header {
        justify-content: center;
        margin: auto;
    }

    .tracuu-search-bar {
        display: block;
    }

    .tracuu-input {
        width: 100%;
        padding-right: 120px;
    }

    .search-icon-svg {
        top: 27px;
    }

    .tracuu-btn {
        /* margin-top: 10px; */
        /* display: block; */
        /* width: 100%; */
    }

    .student-avatar-wrapper {
        /* margin: auto; */
        text-align: center;
        justify-content: center;
    }

    .fb-title {
        font-size: 24px;
    }
}

.menu-overlay {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    background: rgba(0, 0, 0, 0.5) !important;
    z-index: 99990 !important;
    opacity: 0 !important;
    visibility: hidden !important;
    transition: opacity 0.3s ease, visibility 0.3s ease !important;
}

.menu-overlay.active {
    opacity: 1 !important;
    visibility: visible !important;
    z-index: 1 !important;
}

body.menu-open {
    overflow: hidden !important;
}

/* Custom scrollbar for nd-body-content */
.nd-body-content {
    max-height: 500px;
    overflow-y: auto;
    padding-right: 10px;
    font-size: 18px;
}

.nd-body-content::-webkit-scrollbar {
    width: 6px;
}

.nd-body-content::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.nd-body-content::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 4px;
}

.nd-body-content::-webkit-scrollbar-thumb:hover {
    background: #999;
}

ul.nd-list {
    list-style-type: none;
    padding-left: 0;
    margin: 0;
    padding-bottom: 20px;
}

ul.nd-list li {
    position: relative;
    padding-left: 15px;
    margin-bottom: 8px;
    line-height: 1.5;
    font-size: 17px;
}

ul.nd-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #fff;
}

/* Custom Modal for accordion */
.nd-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(7, 13, 25, 0.75);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 100000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.nd-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.nd-modal-content {
    background: #ffffff;
    border-radius: var(--radius-lg, 24px);
    width: 90%;
    max-width: 500px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    transform: translateY(20px);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 82, 255, 0.1);
}

.nd-modal-overlay.active .nd-modal-content {
    transform: translateY(0);
}

.nd-modal-header {
    padding: 20px 24px 1px;
    border-bottom: 1px solid #f1f5f9;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    border-radius: 24px 24px 0 0;
}

.nd-modal-title {
    font-size: 18px;
    font-weight: 800;
    color: var(--main-color, #011c4b);
    line-height: 1.4;
    margin: 0;
    padding-right: 15px;
}

.nd-modal-close {
    background: rgba(1, 28, 75, 0.05);
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--main-color, #011c4b);
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.nd-modal-close:hover {
    background: #ef4444;
    color: #ffffff;
}

.nd-modal-body {
    padding: 24px;
    overflow-y: auto;
    font-size: 15px;
    color: #334155;
    line-height: 1.6;
}

.nd-modal-body::-webkit-scrollbar {
    width: 6px;
}

.nd-modal-body::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.nd-modal-body::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

.nd-readmore-btn {
    display: none;
    text-align: center;
    color: #0052ff;
    font-weight: 700;
    cursor: pointer;
    padding: 12px 0 0;
    font-size: 14.5px;
    margin-top: 10px;
    transition: all 0.3s ease;
    border-top: 1px dashed rgba(0, 82, 255, 0.2);
}

.nd-readmore-btn:hover {
    color: #0038b8;
}

@media (max-width: 991px) {
    .nd-body-content {
        position: relative;
        padding: 20px;
        font-size: 17px;
        max-height: 100%;
        margin-top: 30px;
    }

    ul.nd-list {
        display: -webkit-box;
        -webkit-line-clamp: 10;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    ul.nd-list li {
        margin-bottom: 20px;
    }

    .nd-modal-overlay.active ul.nd-list li::before {
        color: var(--main-color);
    }

    .nd-body-content::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: 50px;
        background: linear-gradient(to bottom, rgba(255, 255, 255, 0), rgba(255, 255, 255, 1));
        pointer-events: none;
    }

    .nd-modal-overlay.active ul.nd-list {
        overflow: auto;
        display: block;
    }

    .nd-readmore-btn {
        display: block;
    }

    .giatri-img-wrapper .fancybox {
        padding: 0px;
    }

    .giatri-img-wrapper .giatri-img.tab-thecongdong {
        margin: 0px;
        max-width: 100% !important;
    }

    .vth-title {
        font-size: 26px;
        line-height: 1.5;
    }

    .antoan-grid .antoan-left {
        display: block;
    }

    .cg-img {
        height: 100%;
        max-height: 400px;
        object-fit: cover;
        max-width: 200px;
        margin: auto;
    }

    .cg-card .cg-avatar:before {
        max-width: 100%;
        max-height: 200px;
        bottom: 19px;
    }

    .cg-card .cg-avatar {
        text-align: center;
        margin: auto;
        width: 100%;
        max-width: 400px;
    }

    .dt-title {
        height: auto;
        font-size: 18px;
    }

    .stat-text {
        font-size: 16px;
    }

    .hero-subtitle {
        margin-bottom: 10px;
    }
}

/* .cookie-banner */

.cookie-banner {

    position: fixed;
    left: 15px;
    bottom: 15px;
    width: 100%;
    background: var(--main-color);
    color: #fff;
    padding: 15px;
    z-index: 999;
    max-width: 480px;
    border: 1px solid #009abe;
    border-radius: 10px;
    background: #afc8bf;
    color: #fff;
    display: none;
    background: #43494c;
    background: var(--main-color-hover);
}

.cookie-content {
    margin: auto;
    text-align: center;
}

.cookie-content p {
    font-size: 13px;
    line-height: 1.5;
    margin-bottom: 10px;
    color: #444;
    color: #d4d4d4;
    color: var(--main-color);
}

.cookie-content h4 {
    font-size: 18px;
    margin-bottom: 10px;
    margin-top: 10px;
    color: #222;
    color: #fff;
    color: var(--main-color);
}

.cookie-content a {
    color: var(--main-color);
}

.cookie-content button {
    padding: 8px 20px;
    cursor: pointer;
}

#cancel-cookie {
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: #e59e71;
    color: #000;
}

#accept-cookie {
    background: var(--main-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

@media (max-width: 767px) {
    .cookie-banner {
        max-width: calc(100% - 10px);
        margin: auto;
        left: 0;
        right: 0;
        bottom: 5px;
    }

    .antoan-butterfly-img {
        display: none;
    }
}

footer {
    /* background: #fff; */
    position: relative;
    padding-top: 30px;
    padding-bottom: 20px;
}

footer p {
    margin: 0px;
}

.lichhoc {
    padding-bottom: 0px;
}