/* ============ QTOPIA PHƯỚC HẢI — REDESIGN ============ */
:root {
    --teal: #01a99d;
    --teal-2: #06c7b8;
    --teal-dark: #0b6b64;
    --navy: #07161f;
    --navy-2: #0a1f2c;
    --ink: #0f172a;
    --slate: #334155;
    --muted: #64748b;
    --bg: #f6f8f9;
    --bg-alt: #edf3f4;
    --card: #ffffff;
    --line: #e2e8ee;
    --gold: #e0a63c;
    --coral: #ff6b4a;
    --shadow-sm: 0 2px 10px rgba(7, 22, 31, .06);
    --shadow-md: 0 14px 40px rgba(7, 22, 31, .10);
    --shadow-lg: 0 30px 70px rgba(7, 22, 31, .16);
    --radius: 18px;
    --radius-sm: 12px;
    --max: 1200px;
    --header-h: 76px;
    --font: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

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

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }

body {
    font-family: var(--font);
    color: var(--ink);
    background: var(--bg);
    line-height: 1.65;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; }

.container { width: min(100% - 40px, var(--max)); margin-inline: auto; }
.container.narrow { width: min(100% - 40px, 860px); }

.skip-link {
    position: absolute; left: -999px; top: 0; z-index: 999;
    background: var(--teal); color: #fff; padding: 10px 16px; border-radius: 0 0 10px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 { line-height: 1.18; color: var(--ink); font-weight: 800; letter-spacing: -.02em; }
h1 { font-size: clamp(2rem, 4.4vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.6rem); }
h3 { font-size: clamp(1.15rem, 1.6vw, 1.4rem); }
p { color: var(--slate); }
.text-teal { color: var(--teal); }
.muted { color: var(--muted); }

.eyebrow {
    display: inline-block;
    font-size: .78rem; font-weight: 700; letter-spacing: .16em;
    text-transform: uppercase; color: var(--teal-dark);
    background: rgba(1, 169, 157, .10);
    border: 1px solid rgba(1, 169, 157, .22);
    padding: 7px 14px; border-radius: 999px; margin-bottom: 16px;
}
.eyebrow.light { color: #7ff0e6; background: rgba(255, 255, 255, .06); border-color: rgba(127, 240, 230, .28); }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    font-weight: 700; font-size: .95rem; line-height: 1;
    padding: 14px 24px; border-radius: 999px; border: 1.5px solid transparent;
    cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
    white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
    background: linear-gradient(120deg, var(--teal), var(--teal-2));
    color: #032b28; box-shadow: 0 10px 26px rgba(1, 169, 157, .35);
}
.btn-primary:hover { box-shadow: 0 16px 34px rgba(1, 169, 157, .45); }
.btn-outline { background: transparent; border-color: rgba(255, 255, 255, .5); color: #fff; }
.btn-outline:hover { background: #fff; color: var(--navy); }
.section .btn-outline { border-color: var(--teal); color: var(--teal-dark); }
.section .btn-outline:hover { background: var(--teal); color: #fff; }
.btn-ghost { background: rgba(255, 255, 255, .08); color: #fff; border-color: rgba(255, 255, 255, .2); }
.btn-lg { padding: 17px 30px; font-size: 1rem; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
    position: fixed; inset: 0 0 auto 0; z-index: 100;
    transition: background .3s ease, box-shadow .3s ease, backdrop-filter .3s ease;
}
.site-header.scrolled {
    background: rgba(7, 22, 31, .92);
    backdrop-filter: blur(14px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, .25);
}
.header-inner {
    height: var(--header-h);
    display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand img { width: 50px; height: 50px; border-radius: 12px; object-fit: cover; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-size: 1.15rem; letter-spacing: .12em; color: #fff; }
.brand-text small { font-size: .66rem; letter-spacing: .05em; color: rgba(255, 255, 255, .62); }

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
    color: rgba(255, 255, 255, .82); font-weight: 600; font-size: .9rem;
    padding: 9px 12px; border-radius: 8px; transition: color .2s, background .2s;
}
.main-nav a:hover { color: #fff; background: rgba(255, 255, 255, .09); }

.header-actions { display: flex; align-items: center; gap: 10px; }
.header-phone { padding: 11px 18px; font-size: .88rem; }
.header-360 { padding: 10px 16px; font-size: .82rem; }

.nav-toggle {
    display: none; flex-direction: column; gap: 5px; justify-content: center;
    width: 44px; height: 44px; border-radius: 10px;
    background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .2); cursor: pointer;
}
.nav-toggle span { width: 20px; height: 2px; background: #fff; margin-inline: auto; transition: .3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
    position: relative; min-height: 100vh; display: flex; align-items: center;
    padding: calc(var(--header-h) + 40px) 0 90px; color: #fff; overflow: hidden;
}
.hero-bg {
    position: absolute; inset: 0; background-size: cover; background-position: center;
    transform: scale(1.04); animation: heroZoom 18s ease-in-out infinite alternate;
}
@keyframes heroZoom { from { transform: scale(1.02); } to { transform: scale(1.1); } }
.hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(7, 22, 31, .62) 0%, rgba(7, 22, 31, .55) 45%, rgba(7, 22, 31, .9) 100%);
}
.hero-content { position: relative; z-index: 2; max-width: 940px; }
.hero h1 { color: #fff; margin-bottom: 18px; text-shadow: 0 2px 30px rgba(0, 0, 0, .3); }
.hero h1 span { color: #7ff0e6; }
.hero-lead {
    display: inline-block; font-weight: 800; letter-spacing: .04em; color: #ffd98a;
    font-size: clamp(.9rem, 1.5vw, 1.1rem); margin-bottom: 12px;
}
.hero-desc { color: rgba(255, 255, 255, .88); font-size: 1.02rem; max-width: 780px; margin-bottom: 28px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 46px; }

.hero-stats {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
    background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .16);
    backdrop-filter: blur(10px); border-radius: var(--radius); padding: 22px;
}
.stat { display: flex; flex-direction: column; gap: 4px; padding: 4px 12px; border-left: 1px solid rgba(255, 255, 255, .14); }
.stat:first-child { border-left: 0; }
.stat-num { font-size: clamp(1.1rem, 2vw, 1.55rem); font-weight: 800; color: #fff; }
.stat-label { font-size: .8rem; color: rgba(255, 255, 255, .66); }

.scroll-cue {
    position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); z-index: 3;
    width: 26px; height: 42px; border: 2px solid rgba(255, 255, 255, .5); border-radius: 14px;
}
.scroll-cue span {
    position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px;
    background: #fff; border-radius: 2px; animation: scrollDot 1.6s infinite;
}
@keyframes scrollDot { 0% { opacity: 0; transform: translateY(0); } 40% { opacity: 1; } 80% { opacity: 0; transform: translateY(14px); } 100% { opacity: 0; } }

/* ---------- Sections ---------- */
.section { padding: clamp(64px, 8vw, 110px) 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: linear-gradient(160deg, var(--navy) 0%, #0b2b36 100%); color: #fff; }
.section-dark p, .section-dark li { color: rgba(255, 255, 255, .78); }
.section-dark h2, .section-dark h3, .section-dark h4 { color: #fff; }

.section-head { max-width: 780px; margin: 0 auto clamp(34px, 5vw, 56px); text-align: center; }
.section-head h2 { margin-bottom: 14px; }
.section-sub { font-size: 1.02rem; color: var(--muted); }
.section-dark .section-sub { color: rgba(255, 255, 255, .72); }
.section-head.light .section-sub { color: rgba(255, 255, 255, .72); }

.subhead { margin: clamp(44px, 6vw, 64px) 0 22px; font-size: clamp(1.25rem, 2vw, 1.7rem); }

/* ---------- Split ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 4vw, 56px); align-items: center; }
.split.reverse .split-media { order: 2; }
.split-media { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); }
.split-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.split-media:hover img { transform: scale(1.04); }
.media-badge {
    position: absolute; left: 18px; bottom: 18px;
    background: rgba(7, 22, 31, .82); backdrop-filter: blur(8px);
    color: #fff; border-radius: 12px; padding: 12px 18px; border: 1px solid rgba(255, 255, 255, .15);
}
.media-badge strong { display: block; font-size: 1.4rem; color: #7ff0e6; line-height: 1; }
.media-badge span { font-size: .78rem; color: rgba(255, 255, 255, .7); }
.split-body p { margin-bottom: 14px; }
.split-body .btn { margin-top: 8px; }

.pill-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.pill {
    font-size: .82rem; font-weight: 600; color: var(--teal-dark);
    background: rgba(1, 169, 157, .1); border: 1px solid rgba(1, 169, 157, .25);
    padding: 8px 14px; border-radius: 999px;
}

/* ---------- Info table ---------- */
.info-table {
    margin-top: clamp(36px, 5vw, 56px);
    background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
    overflow: hidden; box-shadow: var(--shadow-sm);
    display: grid; grid-template-columns: 1fr 1fr;
}
.info-row { display: grid; grid-template-columns: 160px 1fr; gap: 14px; padding: 15px 22px; border-bottom: 1px solid var(--line); }
.info-row:nth-child(odd) { border-right: 1px solid var(--line); }
.info-row span { color: var(--muted); font-size: .9rem; }
.info-row strong { font-weight: 600; font-size: .92rem; }

/* ---------- Connect list ---------- */
.connect-list { display: flex; flex-direction: column; gap: 4px; margin-bottom: 20px; }
.connect-list li {
    display: grid; grid-template-columns: 118px 1fr; gap: 16px; align-items: center;
    padding: 12px 0; border-bottom: 1px dashed var(--line);
}
.connect-list .time {
    font-weight: 800; color: var(--teal-dark); font-size: 1rem;
    background: rgba(1, 169, 157, .1); border-radius: 8px; padding: 6px 8px; text-align: center;
}
.connect-list li span:last-child { font-size: .94rem; color: var(--slate); }

/* ---------- Features ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
    background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
    overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .3s ease, box-shadow .3s ease;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.feature-img { aspect-ratio: 16 / 10; overflow: hidden; }
.feature-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.feature-card:hover .feature-img img { transform: scale(1.07); }
.feature-body { padding: 22px; }
.tag {
    display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .1em;
    text-transform: uppercase; color: var(--teal-dark); margin-bottom: 8px;
}
.feature-body h3 { margin-bottom: 8px; }
.feature-body p { font-size: .92rem; color: var(--muted); }

.mega-strip {
    margin-top: 28px; display: grid; grid-template-columns: 300px 1fr; gap: 26px;
    background: var(--navy-2); border-radius: var(--radius); padding: 30px; color: #fff;
}
.mega-head h3 { color: #fff; margin-bottom: 4px; }
.mega-head p { color: rgba(255, 255, 255, .66); font-size: .9rem; }
.mega-items { display: flex; flex-wrap: wrap; gap: 10px; align-content: center; }
.mega-items span {
    font-size: .84rem; font-weight: 600; color: #cfe9e6;
    background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .14);
    padding: 9px 14px; border-radius: 10px;
}

/* ---------- Galleries ---------- */
.gallery-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 34px; }
.gallery-2 figure { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); background: var(--card); }
.gallery-2 img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.gallery-2 figcaption { padding: 14px 20px; font-weight: 600; font-size: .92rem; color: var(--slate); }

.two-col-text { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; margin-bottom: 34px; }
.two-col-text h3 { margin-bottom: 10px; }
.two-col-text p { font-size: .95rem; color: var(--slate); }

/* ---------- Data table ---------- */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--radius); box-shadow: var(--shadow-sm); border: 1px solid var(--line); background: var(--card); }
.data-table { width: 100%; border-collapse: collapse; min-width: 680px; font-size: .9rem; }
.data-table thead th {
    background: var(--navy-2); color: #fff; text-align: left; font-weight: 700;
    padding: 15px 18px; font-size: .82rem; letter-spacing: .04em; text-transform: uppercase;
}
.data-table td { padding: 15px 18px; border-bottom: 1px solid var(--line); color: var(--slate); vertical-align: top; }
.data-table tbody tr:nth-child(even) { background: rgba(1, 169, 157, .04); }
.data-table tbody tr:hover { background: rgba(1, 169, 157, .08); }
.data-table td:first-child { font-weight: 700; color: var(--ink); }
.data-table strong { color: var(--teal-dark); }

/* ---------- Products ---------- */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-bottom: 40px; }
.product-card {
    background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
    overflow: hidden; box-shadow: var(--shadow-sm); display: flex; flex-direction: column;
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(1, 169, 157, .4); }
.product-img { aspect-ratio: 4 / 3; overflow: hidden; background: #eef3f4; }
.product-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.product-card:hover .product-img img { transform: scale(1.06); }
.product-body { padding: 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.price-tag {
    align-self: flex-start; font-size: .76rem; font-weight: 800; letter-spacing: .04em;
    color: #7a4a00; background: linear-gradient(120deg, #ffe7b0, #ffd98a);
    padding: 5px 12px; border-radius: 999px;
}
.product-body h3 { font-size: 1.1rem; }
.product-body p { font-size: .88rem; color: var(--muted); flex: 1; }
.link-arrow { font-weight: 700; font-size: .88rem; color: var(--teal-dark); transition: gap .2s, color .2s; }
.link-arrow:hover { color: var(--teal); }

.note {
    margin-top: 22px; font-size: .88rem; color: var(--muted);
    background: rgba(1, 169, 157, .06); border-left: 3px solid var(--teal);
    padding: 14px 18px; border-radius: 0 10px 10px 0;
}
.note a { color: var(--teal-dark); font-weight: 700; }

/* ---------- Reasons ---------- */
.reason-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.reason {
    background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .12);
    border-radius: var(--radius); padding: 24px; position: relative; overflow: hidden;
    transition: transform .3s ease, background .3s ease, border-color .3s ease;
}
.reason:hover { transform: translateY(-4px); background: rgba(1, 169, 157, .12); border-color: rgba(1, 169, 157, .4); }
.reason > span {
    display: block; font-size: 2rem; font-weight: 900; line-height: 1;
    color: rgba(127, 240, 230, .35); margin-bottom: 12px;
}
.reason h3 { font-size: 1.02rem; margin-bottom: 6px; color: #fff; }
.reason p { font-size: .86rem; color: rgba(255, 255, 255, .7); }

/* ---------- Payment ---------- */
.pay-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pay-card {
    background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .14);
    border-radius: var(--radius); padding: 26px; position: relative;
}
.pay-card.featured { border-color: var(--teal); background: rgba(1, 169, 157, .14); box-shadow: 0 0 0 1px var(--teal) inset; }
.pay-badge {
    display: inline-block; font-size: .74rem; font-weight: 800; letter-spacing: .1em;
    color: #032b28; background: linear-gradient(120deg, var(--teal), var(--teal-2));
    padding: 5px 12px; border-radius: 999px; margin-bottom: 12px;
}
.pay-card h3 { font-size: 1.15rem; margin-bottom: 4px; }
.pay-sub { font-size: .84rem; color: rgba(255, 255, 255, .6); margin-bottom: 14px; }
.pay-card ul { display: flex; flex-direction: column; gap: 9px; }
.pay-card li {
    font-size: .88rem; color: rgba(255, 255, 255, .78); padding-left: 18px; position: relative;
}
.pay-card li::before { content: "✓"; position: absolute; left: 0; color: var(--teal-2); font-weight: 800; }
.pay-card li strong { color: #fff; }
.policy-note { margin-top: 20px; text-align: center; font-size: .86rem; color: rgba(255, 255, 255, .62); }

/* ---------- Roadmap ---------- */
.roadmap { display: flex; flex-wrap: wrap; gap: 10px; }
.roadmap-item {
    flex: 1 1 120px; display: flex; flex-direction: column; align-items: center; gap: 6px;
    background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .13);
    border-radius: 12px; padding: 16px 10px;
}
.roadmap-item:first-child { border-color: var(--teal); background: rgba(1, 169, 157, .16); }
.roadmap .tower { font-weight: 800; color: #fff; font-size: .95rem; }
.roadmap .delta { font-size: .8rem; font-weight: 700; color: var(--teal-2); }
.roadmap .delta.base { color: #ffd98a; }

/* ---------- Partners ---------- */
.partner-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.partner-card {
    background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
    overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .3s ease, box-shadow .3s ease;
}
.partner-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.partner-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.partner-body { padding: 22px; }
.partner-body h3 { margin: 4px 0 8px; }
.partner-body p { font-size: .9rem; color: var(--muted); }

/* ---------- Gallery ---------- */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.g-item {
    position: relative; border-radius: 14px; overflow: hidden; cursor: pointer;
    aspect-ratio: 4 / 3; background: #dce6e8; box-shadow: var(--shadow-sm);
}
.g-item:nth-child(1), .g-item:nth-child(8) { grid-column: span 2; grid-row: span 2; aspect-ratio: auto; }
.g-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.g-item::after {
    content: "⤢"; position: absolute; inset: auto 12px 12px auto;
    width: 34px; height: 34px; display: grid; place-items: center;
    background: rgba(7, 22, 31, .7); color: #fff; border-radius: 50%; font-size: 1rem;
    opacity: 0; transform: scale(.7); transition: .3s ease;
}
.g-item:hover img { transform: scale(1.06); }
.g-item:hover::after { opacity: 1; transform: scale(1); }

/* ---------- Lightbox ---------- */
.lightbox {
    position: fixed; inset: 0; z-index: 200; display: none;
    align-items: center; justify-content: center; padding: 40px;
    background: rgba(3, 10, 14, .94); backdrop-filter: blur(6px);
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 90vw; max-height: 82vh; border-radius: 10px; box-shadow: var(--shadow-lg); }
.lb-close, .lb-prev, .lb-next {
    position: absolute; background: rgba(255, 255, 255, .12); color: #fff; border: 1px solid rgba(255, 255, 255, .25);
    width: 48px; height: 48px; border-radius: 50%; font-size: 1.6rem; cursor: pointer; display: grid; place-items: center;
    transition: background .2s;
}
.lb-close:hover, .lb-prev:hover, .lb-next:hover { background: rgba(255, 255, 255, .25); }
.lb-close { top: 24px; right: 24px; }
.lb-prev { left: 24px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 24px; top: 50%; transform: translateY(-50%); }

/* ---------- Video ---------- */
.video-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.video-card {
    display: block; background: var(--card); border: 1px solid var(--line);
    border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm);
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.video-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: rgba(1, 169, 157, .4); }
.video-thumb { position: relative; aspect-ratio: 16 / 9; background: #000; overflow: hidden; }
.video-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s ease; }
.video-thumb::after {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0) 55%, rgba(0, 0, 0, .5) 100%);
}
.video-card:hover .video-thumb img { transform: scale(1.06); }
.play-btn {
    position: absolute; top: 50%; left: 50%; z-index: 2;
    width: 64px; height: 64px; transform: translate(-50%, -50%);
    border-radius: 50%; background: rgba(255, 255, 255, .95);
    box-shadow: 0 8px 24px rgba(0, 0, 0, .35);
    transition: transform .25s ease, background .25s ease;
}
.play-btn::before {
    content: ""; position: absolute; left: 52%; top: 50%;
    transform: translate(-50%, -50%);
    border-style: solid; border-width: 12px 0 12px 20px;
    border-color: transparent transparent transparent var(--teal-dark);
}
.video-card:hover .play-btn { transform: translate(-50%, -50%) scale(1.1); background: #fff; }
.video-label {
    position: absolute; left: 14px; bottom: 14px; z-index: 2;
    font-size: .7rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
    color: #fff; background: rgba(0, 0, 0, .55); padding: 5px 10px;
    border-radius: 999px; backdrop-filter: blur(4px);
}
.video-card h3 { padding: 16px 20px; font-size: 1rem; color: var(--ink); }
.video-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-top: 34px; }

/* ---------- Legal ---------- */
.legal-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.legal-card {
    background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 28px; box-shadow: var(--shadow-sm); transition: transform .3s ease, box-shadow .3s ease;
}
.legal-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.legal-icon {
    width: 56px; height: 56px; display: grid; place-items: center; font-size: 1.5rem;
    background: rgba(1, 169, 157, .12); border-radius: 14px; margin-bottom: 16px;
}
.legal-card h3 { margin-bottom: 8px; }
.legal-card p { font-size: .9rem; color: var(--muted); }

.legal-quote {
    margin: clamp(34px, 5vw, 52px) 0 20px; padding: 28px 32px;
    background: var(--navy-2); color: #fff; border-radius: var(--radius);
    border-left: 4px solid var(--teal); font-size: 1.02rem; line-height: 1.7; font-style: italic;
}
.legal-quote cite { display: block; margin-top: 14px; font-style: normal; font-size: .86rem; color: #7ff0e6; }

/* ---------- FAQ ---------- */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--card); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; transition: border-color .25s, box-shadow .25s; }
.faq-item.open { border-color: rgba(1, 169, 157, .5); box-shadow: var(--shadow-sm); }
.faq-q {
    width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
    text-align: left; background: none; border: 0; cursor: pointer;
    padding: 20px 22px; font-size: 1rem; font-weight: 700; color: var(--ink); line-height: 1.4;
}
.faq-icon { position: relative; flex: 0 0 22px; width: 22px; height: 22px; }
.faq-icon::before, .faq-icon::after {
    content: ""; position: absolute; background: var(--teal); border-radius: 2px; transition: transform .3s ease;
}
.faq-icon::before { left: 0; top: 10px; width: 22px; height: 2px; }
.faq-icon::after { left: 10px; top: 0; width: 2px; height: 22px; }
.faq-item.open .faq-icon::after { transform: rotate(90deg); opacity: 0; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-a p { padding: 0 22px 22px; font-size: .93rem; color: var(--muted); }

/* ---------- Contact ---------- */
.contact-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 64px); align-items: start; }
.contact-info h2 { margin-bottom: 16px; }
.contact-info > p { margin-bottom: 26px; }
.contact-list { display: flex; flex-direction: column; gap: 16px; }
.contact-list li { display: flex; gap: 14px; align-items: flex-start; }
.contact-list .ci {
    flex: 0 0 44px; width: 44px; height: 44px; display: grid; place-items: center;
    background: rgba(1, 169, 157, .16); border: 1px solid rgba(1, 169, 157, .3);
    border-radius: 12px; font-size: 1.15rem;
}
.contact-list strong { display: block; color: #fff; font-size: .95rem; margin-bottom: 2px; }
.contact-list a, .contact-list div > span { color: rgba(255, 255, 255, .78); font-size: .92rem; }
.contact-list a:hover { color: #7ff0e6; }

.contact-form-wrap {
    background: #fff; color: var(--ink); border-radius: var(--radius);
    padding: clamp(26px, 3vw, 38px); box-shadow: var(--shadow-lg);
}
.contact-form-wrap h3 { font-size: 1.3rem; margin-bottom: 6px; color: var(--ink); }
.contact-form-wrap p { color: var(--slate); }
.contact-form-wrap .form-sub { font-size: .9rem; color: var(--muted); margin-bottom: 20px; }
.contact-form-wrap .form-note { color: var(--muted); }
.contact-form-wrap .form-success { color: var(--teal-dark); }
.contact-form-wrap .form-success.is-error { color: #b91c1c; }
.lead-form .field { margin-bottom: 16px; }
.lead-form label { display: block; font-size: .86rem; font-weight: 600; color: var(--slate); margin-bottom: 6px; }
.lead-form input {
    width: 100%; padding: 14px 16px; font-size: .96rem; font-family: inherit;
    border: 1.5px solid var(--line); border-radius: 11px; background: #f9fbfb; color: var(--ink);
    transition: border-color .2s, box-shadow .2s, background .2s;
}
.lead-form input:focus { outline: none; border-color: var(--teal); background: #fff; box-shadow: 0 0 0 4px rgba(1, 169, 157, .14); }
.lead-form input.invalid { border-color: #e23b3b; background: #fff6f6; }
.error { display: block; font-size: .78rem; color: #e23b3b; margin-top: 5px; min-height: 0; }
.form-note { font-size: .78rem; color: var(--muted); text-align: center; margin-top: 12px; line-height: 1.5; }
.form-success {
    margin-top: 14px; padding: 13px 16px; border-radius: 11px; font-size: .9rem; font-weight: 600;
    background: rgba(1, 169, 157, .12); color: var(--teal-dark); border: 1px solid rgba(1, 169, 157, .3);
}

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: rgba(255, 255, 255, .7); padding-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.1fr; gap: 34px; padding-bottom: 44px; }
.footer-about .brand { margin-bottom: 16px; }
.footer-about p { font-size: .88rem; color: rgba(255, 255, 255, .6); margin-bottom: 12px; }
.footer-col h4 { color: #fff; font-size: .95rem; margin-bottom: 16px; letter-spacing: .02em; }
.footer-col a, .footer-col span {
    display: block; font-size: .88rem; color: rgba(255, 255, 255, .62);
    padding: 5px 0; transition: color .2s, transform .2s;
}
.footer-col a:hover { color: #7ff0e6; transform: translateX(3px); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .1); padding: 20px 0; }
.footer-bottom .container { display: flex; flex-wrap: wrap; gap: 6px 24px; justify-content: space-between; }
.footer-bottom p { font-size: .8rem; color: rgba(255, 255, 255, .5); }

/* ---------- Floating contact (bottom-left) ---------- */
.float-contact {
    position: fixed; left: 18px; bottom: 22px; z-index: 95;
    display: flex; flex-direction: column; gap: 12px; align-items: flex-start;
}
.fc-btn {
    position: relative; width: 52px; height: 52px; padding: 0; border: 0; border-radius: 50%;
    display: grid; place-items: center; cursor: pointer; text-decoration: none;
    box-shadow: 0 8px 22px rgba(0, 0, 0, .22);
    transition: transform .25s ease, box-shadow .25s ease;
    animation: fcIn .45s ease both;
}
.fc-btn:nth-child(2) { animation-delay: .08s; }
.fc-btn:nth-child(3) { animation-delay: .16s; }
.fc-btn:hover { transform: translateY(-3px) scale(1.05); box-shadow: 0 12px 28px rgba(0, 0, 0, .3); }
.fc-btn img { width: 26px; height: 26px; object-fit: contain; filter: brightness(0) invert(1); }
.fc-zalo { background: #0068ff; }
.fc-phone { background: var(--teal); }
.fc-price { background: linear-gradient(135deg, #f59e0b, #ef4444); color: #fff; }
.fc-price-icon { font-size: 1.4rem; font-weight: 900; line-height: 1; }
.fc-zalo::before {
    content: ""; position: absolute; inset: 0; border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(0, 104, 255, .55);
    animation: fcPulse 2.2s ease-out infinite;
}
.fc-tip {
    position: absolute; left: calc(100% + 10px); top: 50%;
    transform: translateY(-50%) translateX(-4px);
    white-space: nowrap; background: rgba(7, 22, 31, .92); color: #fff;
    font-size: .76rem; font-weight: 600; padding: 6px 10px; border-radius: 8px;
    opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s;
}
.fc-btn:hover .fc-tip { opacity: 1; transform: translateY(-50%) translateX(0); }
@keyframes fcIn { from { opacity: 0; transform: translateX(-16px); } to { opacity: 1; transform: none; } }
@keyframes fcPulse { 70% { box-shadow: 0 0 0 12px rgba(0, 104, 255, 0); } 100% { box-shadow: 0 0 0 0 rgba(0, 104, 255, 0); } }

/* ---------- Mobile bar ---------- */
.mobile-bar {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
    display: none; grid-template-columns: repeat(4, 1fr);
    background: #fff; border-top: 1px solid var(--line);
    box-shadow: 0 -6px 20px rgba(0, 0, 0, .1); padding-bottom: env(safe-area-inset-bottom);
}
.mobile-bar a {
    display: flex; flex-direction: column; align-items: center; gap: 2px;
    padding: 9px 4px; font-size: .68rem; font-weight: 600; color: var(--slate);
}
.mobile-bar a:active { background: var(--bg-alt); }
.mb-icon { width: 22px; height: 22px; object-fit: contain; }

/* ---------- Reveal ---------- */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1240px) {
    .header-inner { gap: 12px; }
    .main-nav { gap: 0; }
    .main-nav a { padding: 8px 8px; font-size: .82rem; }
    .header-360 { display: none; }
}

@media (max-width: 1080px) {
    .info-table { grid-template-columns: 1fr; }
    .info-row:nth-child(odd) { border-right: 0; }
}

@media (max-width: 900px) {
    .main-nav {
        position: fixed; inset: var(--header-h) 0 auto 0; z-index: 99;
        flex-direction: column; align-items: stretch; gap: 0;
        background: rgba(7, 22, 31, .98); backdrop-filter: blur(14px);
        padding: 10px 20px 22px; max-height: 0; overflow: hidden;
        transition: max-height .35s ease, padding .35s ease;
    }
    .main-nav.open { max-height: 78vh; overflow-y: auto; }
    .main-nav a { padding: 14px 8px; border-bottom: 1px solid rgba(255, 255, 255, .08); border-radius: 0; font-size: .95rem; }
    .nav-toggle { display: flex; }
    .header-phone { display: none; }

    .hero { min-height: auto; padding: calc(var(--header-h) + 60px) 0 70px; }
    .hero-stats { grid-template-columns: 1fr 1fr; }
    .stat:nth-child(3) { border-left: 0; }

    .split, .split.reverse .split-media { grid-template-columns: 1fr; order: 0; }
    .feature-grid, .partner-grid, .legal-grid { grid-template-columns: 1fr; }
    .product-grid { grid-template-columns: 1fr 1fr; }
    .reason-grid, .pay-grid { grid-template-columns: 1fr 1fr; }
    .gallery-2, .two-col-text { grid-template-columns: 1fr; }
    .video-grid { grid-template-columns: 1fr; }
    .mega-strip { grid-template-columns: 1fr; }
    .contact-wrap { grid-template-columns: 1fr; }
    .gallery { grid-template-columns: 1fr 1fr; }
    .g-item:nth-child(1), .g-item:nth-child(8) { grid-column: span 2; grid-row: auto; aspect-ratio: 16 / 10; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .mobile-bar { display: grid; }
    .float-contact { display: flex; left: 12px; bottom: 74px; gap: 10px; }
    .fc-btn { width: 46px; height: 46px; }
    .fc-btn img { width: 22px; height: 22px; }
    .fc-tip { display: none; }
    .lead-form input, .lead-popup-form input { font-size: 16px; }
    body { padding-bottom: 62px; }
}

@media (max-width: 620px) {
    .container { width: calc(100% - 32px); }
    .hero-stats { grid-template-columns: 1fr 1fr; padding: 16px; gap: 10px; }
    .stat { padding: 4px 8px; }
    .hero-actions .btn { flex: 1 1 100%; }
    .product-grid, .reason-grid, .pay-grid { grid-template-columns: 1fr; }
    .info-row { grid-template-columns: 1fr; gap: 2px; }
    .connect-list li { grid-template-columns: 96px 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .brand-text small { display: none; }
    .lightbox { padding: 16px; }
    .lb-prev { left: 8px; } .lb-next { right: 8px; } .lb-close { top: 12px; right: 12px; }
    .legal-quote { padding: 22px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .hero-bg { animation: none; }
    .reveal { opacity: 1; transform: none; transition: none; }
    * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

/* ---------- Lead popup (Apps Script) ---------- */
.form-success.is-error { background: rgba(226, 59, 59, .1); color: #b91c1c; border-color: rgba(226, 59, 59, .3); }
.btn-call { background: #fff; color: #b91c1c; border: 2px solid #b91c1c; font-weight: 800; text-transform: uppercase; letter-spacing: .02em; }
.btn-call:hover { background: #b91c1c; color: #fff; box-shadow: 0 10px 24px rgba(185, 28, 28, .28); }

.lead-popup { position: fixed; inset: 0; z-index: 300; display: none; align-items: center; justify-content: center; padding: 20px; }
.lead-popup.open { display: flex; }
.lead-popup-backdrop { position: absolute; inset: 0; background: rgba(3, 10, 14, .62); backdrop-filter: blur(4px); }
.lead-popup-card {
    position: relative; z-index: 1; width: 100%; max-width: 440px;
    max-height: calc(100vh - 40px); overflow-x: hidden; overflow-y: auto;
    background: #fff; border-radius: 20px; box-shadow: var(--shadow-lg);
    animation: popIn .4s cubic-bezier(.25, .8, .25, 1);
}
@keyframes popIn { from { opacity: 0; transform: translateY(20px) scale(.95); } to { opacity: 1; transform: none; } }
.lead-popup-close {
    position: absolute; top: 12px; right: 14px; z-index: 2;
    width: 36px; height: 36px; border: 0; border-radius: 50%;
    background: rgba(15, 23, 42, .06); color: #475569; font-size: 1.5rem; line-height: 1;
    cursor: pointer; transition: .25s;
}
.lead-popup-close:hover { background: rgba(1, 169, 157, .14); color: var(--teal-dark); transform: rotate(90deg); }
.lead-popup-head {
    padding: 30px 28px 16px; text-align: center;
    background: linear-gradient(180deg, rgba(1, 169, 157, .08), #fff);
    border-bottom: 1px solid var(--line);
}
.lead-popup-head .eyebrow { margin-bottom: 10px; font-size: .66rem; }
.lead-popup-head h3 { font-size: 1.4rem; margin-bottom: 6px; }
.lead-popup-head p { font-size: .86rem; color: var(--muted); }
.lead-popup-form { padding: 22px 28px 28px; }
.lead-popup-form .field { margin-bottom: 14px; }
.lead-popup-form label { display: block; font-size: .85rem; font-weight: 600; color: var(--slate); margin-bottom: 6px; }
.lead-popup-form input {
    width: 100%; padding: 13px 15px; font-size: .95rem; font-family: inherit;
    border: 1.5px solid var(--line); border-radius: 11px; background: #f9fbfb; color: var(--ink);
    transition: .2s;
}
.lead-popup-form input:focus { outline: none; border-color: var(--teal); background: #fff; box-shadow: 0 0 0 4px rgba(1, 169, 157, .14); }
.lead-popup-form .btn-call { margin-top: 10px; }
.popup-notify { margin-top: 12px; text-align: center; font-size: .85rem; font-weight: 700; min-height: 20px; }
.popup-notify.error { color: #dc2626; }
.popup-notify.success { color: #059669; }

@media (max-width: 900px) {
    .lead-popup-form input { font-size: 16px; }
}

@media (max-width: 480px) {
    .lead-popup { padding: 12px; }
    .lead-popup-head { padding: 26px 18px 14px; }
    .lead-popup-form { padding: 18px 18px 22px; }
}