:root {
  --ink: #151515;
  --ink-soft: #3d3939;
  --muted: #686363;
  --muted-light: #958c8c;
  --paper: #fffdfb;
  --surface: #f4f1ef;
  --surface-warm: #fff6f1;
  --line: rgba(21, 21, 21, .12);
  --line-strong: rgba(21, 21, 21, .20);
  --coral: #e3261c;
  --coral-dark: #b42318;
  --orange: #ef8d2f;
  --lime: #f5c542;
  --violet: #8f345e;
  --teal: #15927f;
  --navy: #171313;
  --navy-2: #261b1b;
  --white: #fff;
  --container: 1700px;
  --gutter: clamp(24px, 6vw, 96px);
  --header-height: 82px;
  --radius-xl: 32px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --shadow-sm: 0 8px 24px rgba(16, 24, 40, .07);
  --shadow-md: 0 24px 70px rgba(16, 24, 40, .13);
  --font-body: 'Be Vietnam Pro', 'DM Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Be Vietnam Pro', 'Manrope', 'DM Sans', system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 22px); }
body { margin: 0; min-width: 320px; overflow-x: hidden; background: var(--paper); color: var(--ink-soft); font-family: var(--font-body); font-size: 16px; line-height: 1.65; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { color: var(--ink); font-family: var(--font-display); letter-spacing: -.065em; line-height: 1.05; }
h1 { font-size: clamp(3.25rem, 4.5vw, 6.4rem); }
h2 { font-size: clamp(2.45rem, 4.5vw, 5.2rem); }
h3 { font-size: 1.2rem; letter-spacing: -.035em; }
em { color: var(--coral); font-style: normal; }
.container { width: min(var(--container), calc(100% - (var(--gutter) * 2))); margin-inline: auto; }
.section { padding: clamp(86px, 9vw, 150px) 0; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 6000; padding: .7rem 1rem; border-radius: 10px; background: var(--ink); color: #fff; transform: translateY(-150%); transition: transform .2s ease; }
.skip-link:focus { transform: translateY(0); }
.icon-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
svg { width: 1.15em; height: 1.15em; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.icon-facebook svg, svg.icon-facebook, .icon-tiktok svg, svg.icon-tiktok, .icon-x svg, svg.icon-x { fill: currentColor; stroke: none; }
.icon-instagram svg circle:last-child { fill: currentColor; stroke: none; }
.icon-google svg { stroke: none; }
.icon-zalo svg path:first-child { fill: currentColor; stroke: none; }
.icon-zalo svg .icon-cut { fill: none; stroke: #fff; stroke-width: 1.45; }
.icon-sprite .icon-fill { fill: currentColor; stroke: none; }

/* Opening sequence */
.site-loader { display: none; position: fixed; inset: 0; z-index: 5000; align-items: center; justify-content: center; gap: .8rem; background: var(--navy); color: #fff; pointer-events: none; }
.js .site-loader { display: flex; transition: opacity .55s ease .92s, visibility .55s ease .92s, transform .8s cubic-bezier(.7,0,.2,1) 1s; }
.js body.page-ready .site-loader { opacity: 0; visibility: hidden; transform: translateY(-100%); }
.loader-mark { display: grid; width: 44px; height: 44px; place-items: center; border-radius: 13px; background: var(--coral); color: var(--navy); font-family: var(--font-display); font-size: 1.5rem; font-weight: 800; animation: loaderMark .75s cubic-bezier(.2,.8,.2,1) both; }
.loader-word { color: #fff; font-family: var(--font-display); font-size: .8rem; font-weight: 800; letter-spacing: .18em; animation: loaderWord .7s ease .15s both; }
.loader-line { position: absolute; bottom: 25%; width: min(250px, 42vw); height: 2px; overflow: hidden; background: rgba(255,255,255,.16); }
.loader-line i { display: block; width: 40%; height: 100%; background: linear-gradient(90deg, var(--coral), var(--lime)); animation: loaderLine 1.05s cubic-bezier(.2,.8,.2,1) both; }

/* Header */
.site-header { position: fixed; inset: 0 0 auto; z-index: 1000; border-bottom: 1px solid rgba(16,24,40,.08); background: rgba(251,250,247,.88); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); transition: background .25s ease, box-shadow .25s ease; }
.site-header.is-scrolled { background: rgba(251,250,247,.97); box-shadow: 0 10px 30px rgba(16,24,40,.08); }
.header-inner { min-height: var(--header-height); display: flex; align-items: center; gap: clamp(1rem, 3vw, 3.6rem); }
.brand { display: inline-flex; align-items: center; gap: .72rem; flex: 0 0 auto; }
.brand-mark { display: grid; width: 42px; height: 42px; place-items: center; border-radius: 13px; background: var(--ink); color: var(--coral); font-family: var(--font-display); font-size: 1.4rem; font-weight: 800; line-height: 1; box-shadow: inset 0 -4px 0 var(--lime); }
.brand-copy { display: flex; flex-direction: column; gap: .05rem; }
.brand-copy strong { color: var(--ink); font-family: var(--font-display); font-size: 1.06rem; font-weight: 800; letter-spacing: -.06em; line-height: 1; }
.brand-copy small { color: var(--muted); font-size: .48rem; font-weight: 800; letter-spacing: .16em; line-height: 1.5; white-space: nowrap; }
.primary-nav { display: flex; align-items: center; justify-content: flex-end; gap: clamp(1.15rem, 2.5vw, 3rem); margin-left: auto; }
.nav-link { position: relative; padding: .6rem 0; color: var(--ink-soft); font-size: .84rem; font-weight: 700; white-space: nowrap; transition: color .2s ease; }
.nav-link::after { content: ''; position: absolute; right: 0; bottom: .25rem; left: 0; height: 2px; border-radius: 2px; background: var(--coral); transform: scaleX(0); transform-origin: left; transition: transform .2s ease; }
.nav-link:hover, .nav-link.is-active { color: var(--coral-dark); }
.nav-link:hover::after, .nav-link.is-active::after { transform: scaleX(1); }
.header-tools { display: flex; align-items: center; gap: 1rem; flex: 0 0 auto; }
.header-socials { display: flex; align-items: center; gap: .4rem; }
.icon-link { display: grid; width: 30px; height: 30px; place-items: center; border: 1px solid transparent; border-radius: 50%; color: var(--muted); transition: color .2s ease, background .2s ease, transform .2s ease; }
.icon-link svg { width: 15px; height: 15px; }
.icon-link:hover { color: var(--ink); background: var(--white); border-color: var(--line); transform: translateY(-2px); }
.btn { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: .62rem; padding: .78rem 1.35rem; border: 1px solid transparent; border-radius: 999px; font-size: .86rem; font-weight: 800; line-height: 1.2; transition: transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease, color .25s ease; }
.btn svg { width: 17px; height: 17px; }
.btn:hover { transform: translateY(-3px); }
.btn:focus-visible, .text-link:focus-visible, .nav-link:focus-visible, .menu-toggle:focus-visible, .faq-item button:focus-visible, .icon-link:focus-visible, .social-button:focus-visible { outline: 3px solid rgba(255,104,74,.35); outline-offset: 3px; }
.btn-primary { background: var(--coral); color: #fff; box-shadow: 0 12px 28px rgba(255,104,74,.24); }
.btn-primary:hover { background: var(--coral-dark); box-shadow: 0 18px 34px rgba(255,104,74,.28); }
.btn-ghost { border-color: var(--line-strong); background: transparent; color: var(--ink); }
.btn-ghost:hover { border-color: var(--coral); background: var(--surface-warm); color: var(--coral-dark); }
.btn-light { background: #fff; color: var(--navy); box-shadow: 0 12px 30px rgba(0,0,0,.14); }
.btn-light:hover { background: var(--lime); color: var(--navy); }
.btn-small { min-height: 42px; padding: .64rem 1.05rem; font-size: .76rem; }
.btn-large { min-height: 56px; padding-inline: 1.45rem; }
.menu-toggle { display: none; width: 42px; height: 42px; align-items: center; justify-content: center; flex-direction: column; gap: 5px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.menu-toggle span { display: block; width: 20px; height: 2px; border-radius: 2px; background: var(--ink); transition: transform .2s ease, opacity .2s ease; }
.menu-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }.menu-toggle.is-open span:nth-child(2) { opacity: 0; }.menu-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.menu-backdrop { display: none; }

/* Hero */
.hero { position: relative; isolation: isolate; min-height: min(960px, 100svh); display: flex; align-items: center; overflow: hidden; padding: calc(var(--header-height) + clamp(54px, 7vw, 110px)) 0 clamp(70px, 8vw, 120px); background: var(--paper); }
.hero-grid { position: absolute; inset: 0; z-index: -3; opacity: .7; background-image: linear-gradient(rgba(16,24,40,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(16,24,40,.045) 1px, transparent 1px); background-size: 64px 64px; mask-image: radial-gradient(ellipse 78% 82% at 70% 42%, #000 12%, transparent 78%); }
.hero-blob { position: absolute; z-index: -2; border-radius: 50%; pointer-events: none; filter: blur(80px); }
.hero-blob-one { width: 34rem; height: 34rem; top: -19rem; left: -12rem; background: rgba(255,104,74,.15); }.hero-blob-two { width: 40rem; height: 40rem; right: -19rem; bottom: -21rem; background: rgba(200,243,91,.18); }
.hero-layout { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); align-items: center; gap: clamp(2.6rem, 5.5vw, 8rem); width: min(var(--container), calc(100% - (var(--gutter) * 2))); }
.hero-copy { max-width: 790px; min-width: 0; }
.eyebrow { display: inline-flex; align-items: center; gap: .65rem; margin-bottom: 1.55rem; color: var(--coral-dark); font-size: .7rem; font-weight: 800; letter-spacing: .12em; line-height: 1.4; text-transform: uppercase; }
.eyebrow-mark { width: .65rem; height: .65rem; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 .35rem rgba(200,243,91,.28); }
.hero h1 { max-width: 790px; margin-bottom: 1.7rem; }
.hero-line { display: block; white-space: nowrap; }
.hero-line:last-child { font-size: .97em; letter-spacing: -.075em; }
.hero-highlight { position: relative; color: var(--coral); white-space: nowrap; }
.hero-highlight::after { content: ''; position: absolute; right: 0; bottom: -.07em; left: 0; height: .1em; border-radius: 99px; background: var(--lime); transform: rotate(-2deg); transform-origin: left; }
.hero-lead { max-width: 620px; margin-bottom: 2.25rem; color: var(--muted); font-size: clamp(1rem, 1.2vw, 1.2rem); line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .85rem; }
.hero-signals { display: flex; flex-wrap: wrap; gap: 1.6rem; margin-top: 2.15rem; color: var(--muted); font-size: .72rem; font-weight: 700; }
.hero-signals span { display: inline-flex; align-items: center; gap: .45rem; }.hero-signals i { width: .45rem; height: .45rem; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 .25rem rgba(25,183,160,.13); }

/* Hero assembly stage */
.hero-stage { position: relative; min-width: 0; min-height: clamp(500px, 44vw, 690px); }
.stage-halo { position: absolute; inset: 9% 5% 6% 8%; border: 1px solid rgba(16,24,40,.1); border-radius: 50%; transform: rotate(-10deg); }.stage-halo::before, .stage-halo::after { content: ''; position: absolute; border-radius: 50%; border: 1px dashed rgba(255,104,74,.27); }.stage-halo::before { inset: 10% 16%; transform: rotate(24deg); }.stage-halo::after { inset: 20% 5%; border-color: rgba(105,88,232,.22); transform: rotate(-28deg); }
.stage-grid { position: absolute; inset: 12% 4% 8% 7%; border-radius: 32px; background: linear-gradient(135deg, rgba(255,255,255,.88), rgba(241,243,246,.55)); box-shadow: inset 0 0 0 1px rgba(16,24,40,.06); transform: rotate(2deg); }
.stage-grid::after { content: ''; position: absolute; inset: 18px; border: 1px solid rgba(16,24,40,.06); border-radius: 22px; background-image: radial-gradient(rgba(16,24,40,.11) .8px, transparent .8px); background-size: 18px 18px; opacity: .34; }
.stage-panel { position: absolute; border: 1px solid rgba(16,24,40,.12); background: rgba(255,255,255,.9); box-shadow: var(--shadow-md); }
.stage-panel-main { z-index: 2; top: 14%; right: 7%; bottom: 13%; left: 9%; overflow: hidden; border-radius: 25px; transform: rotate(-2deg); }
.stage-toolbar { display: flex; align-items: center; gap: .65rem; min-height: 47px; padding: 0 1rem; border-bottom: 1px solid var(--line); color: var(--muted-light); font-size: .65rem; font-weight: 700; }
.window-dots { display: inline-flex; gap: .25rem; }.window-dots i { width: .42rem; height: .42rem; border-radius: 50%; background: #d0d5dd; }.window-dots i:nth-child(1) { background: #ffab99; }.window-dots i:nth-child(2) { background: #ffd47a; }.window-dots i:nth-child(3) { background: #9be6c0; }
.stage-toolbar b { display: inline-flex; align-items: center; gap: .3rem; margin-left: auto; color: var(--teal); font-size: .6rem; }.stage-toolbar b i { width: .4rem; height: .4rem; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 .25rem rgba(25,183,160,.14); }
.stage-panel-body { display: grid; grid-template-columns: minmax(0, 1fr) minmax(130px, .38fr); grid-template-rows: auto 1fr auto; gap: 1.2rem; height: calc(100% - 47px); padding: clamp(1.4rem, 3vw, 2.8rem); background: linear-gradient(145deg, rgba(255,248,243,.7), rgba(255,255,255,.82)); }
.stage-intro { grid-column: 1/-1; }.stage-label { display: block; margin-bottom: .5rem; color: var(--coral-dark); font-size: .6rem; font-weight: 800; letter-spacing: .13em; }.stage-intro strong { color: var(--ink); font-family: var(--font-display); font-size: clamp(1.3rem, 2.3vw, 2.35rem); letter-spacing: -.06em; line-height: 1.02; }.stage-intro em { color: var(--violet); }
.stage-kpis { display: flex; flex-direction: column; gap: .85rem; padding-top: .35rem; }.stage-kpis span { display: flex; align-items: baseline; justify-content: space-between; gap: .7rem; padding-bottom: .65rem; border-bottom: 1px solid var(--line); }.stage-kpis small { color: var(--muted); font-size: .6rem; }.stage-kpis strong { color: var(--ink); font-family: var(--font-display); font-size: .92rem; }
.stage-chart { position: relative; display: flex; align-items: end; gap: clamp(.35rem, 1vw, .8rem); min-height: 170px; padding: 1.2rem .8rem .2rem; border-bottom: 1px solid var(--line); background: repeating-linear-gradient(to bottom, transparent 0, transparent 38px, rgba(16,24,40,.07) 39px); }.stage-chart span { flex: 1; min-width: 7px; border-radius: 6px 6px 2px 2px; background: linear-gradient(180deg, var(--coral), rgba(255,104,74,.18)); transform-origin: bottom; animation: chartRise 1.2s cubic-bezier(.2,.8,.2,1) both; }.stage-chart span:nth-child(2n) { background: linear-gradient(180deg, var(--violet), rgba(105,88,232,.17)); }.stage-chart span:nth-child(3n) { background: linear-gradient(180deg, var(--teal), rgba(25,183,160,.17)); }.stage-chart i { position: absolute; right: 7%; bottom: 44%; left: 3%; height: 2px; background: var(--lime); transform: rotate(-8deg); box-shadow: 0 0 0 4px rgba(200,243,91,.14); }
.stage-channel-row { grid-column: 1/-1; display: flex; flex-wrap: wrap; gap: .5rem; }.channel-pill { display: inline-flex; align-items: center; gap: .35rem; padding: .48rem .66rem; border: 1px solid var(--line); border-radius: 999px; background: #fff; color: var(--ink-soft); font-size: .62rem; font-weight: 800; }.channel-pill svg { width: 14px; height: 14px; }.channel-pill.facebook svg { color: #1877f2; }.channel-pill.instagram svg { color: #e1306c; }.channel-pill.tiktok svg { color: #111827; }
.stage-panel-side { z-index: 4; right: -1%; bottom: 18%; width: 145px; padding: 1rem; border-radius: 17px; background: var(--ink); color: #fff; transform: rotate(6deg); }.side-label { display: block; margin-bottom: .7rem; color: var(--lime); font-size: .55rem; font-weight: 800; letter-spacing: .14em; }.stage-panel-side strong { display: block; font-family: var(--font-display); font-size: .96rem; letter-spacing: -.04em; line-height: 1.08; }.side-line { display: flex; gap: .23rem; margin-top: 1rem; }.side-line i { width: 18px; height: 3px; border-radius: 99px; background: var(--coral); }.side-line i:nth-child(2) { width: 11px; background: var(--orange); }.side-line i:nth-child(3) { width: 6px; background: var(--lime); }
.social-float { position: absolute; z-index: 5; display: flex; align-items: center; gap: .55rem; padding: .65rem .78rem .65rem .6rem; border: 1px solid rgba(16,24,40,.1); border-radius: 14px; background: rgba(255,255,255,.95); box-shadow: 0 16px 32px rgba(16,24,40,.14); }.social-float-icon { display: grid; width: 32px; height: 32px; place-items: center; border-radius: 10px; }.social-float-icon svg { width: 17px; height: 17px; }.social-float b, .social-float small { display: block; line-height: 1.15; }.social-float b { color: var(--ink); font-size: .65rem; }.social-float small { margin-top: .16rem; color: var(--muted); font-size: .56rem; }.social-float-fb { top: 11%; left: 0; }.social-float-ig { top: 45%; right: -4%; }.social-float-tt { bottom: 8%; left: 3%; }.social-float-zalo { right: 19%; bottom: 1%; }.social-float-fb .social-float-icon { background: #e8f0ff; color: #1877f2; }.social-float-ig .social-float-icon { background: #ffe8f0; color: #e1306c; }.social-float-tt .social-float-icon { background: #edf0f4; color: #111827; }.social-float-zalo .social-float-icon { background: #e0f3ff; color: #008fe5; }
.stage-caption { position: absolute; right: 8%; bottom: -1%; display: inline-flex; align-items: center; gap: .45rem; color: var(--muted); font-size: .63rem; font-weight: 800; letter-spacing: .04em; }.stage-caption span { width: 24px; height: 2px; background: linear-gradient(90deg, var(--coral), var(--violet)); }
.scroll-cue { position: absolute; bottom: 1.7rem; left: 50%; display: inline-flex; align-items: center; gap: .65rem; color: var(--muted-light); font-size: .68rem; font-weight: 700; transform: translateX(-50%); }.scroll-cue span { position: relative; display: block; width: 18px; height: 28px; border: 1px solid #c8cdd5; border-radius: 999px; }.scroll-cue span::after { content: ''; position: absolute; top: 6px; left: 50%; width: 3px; height: 5px; border-radius: 3px; background: var(--coral); transform: translateX(-50%); animation: scrollDot 1.7s ease-in-out infinite; }

/* Platform rail */
.platform-rail { overflow: hidden; border-block: 1px solid var(--line); background: var(--ink); color: #fff; }.rail-inner { min-height: 94px; display: flex; align-items: center; gap: clamp(2rem, 7vw, 9rem); }.rail-label { flex: 0 0 auto; color: var(--lime); font-size: .68rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }.rail-window { min-width: 0; overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); }.rail-track { display: flex; align-items: center; gap: clamp(1.8rem, 4vw, 4.8rem); width: max-content; animation: railMove 26s linear infinite; }.rail-item { display: inline-flex; align-items: center; gap: .55rem; color: #d7deea; font-size: .82rem; font-weight: 700; white-space: nowrap; }.rail-item svg { width: 22px; height: 22px; }.rail-item .icon-facebook { color: #80aaff; }.rail-item .icon-instagram { color: #ff7a9e; }.rail-item .icon-tiktok { color: #fff; }.rail-item .icon-google { color: #ffcb65; }.rail-item .icon-zalo { color: #63c9ff; }.rail-item .icon-x { color: #fff; }.rail-item .icon-mail { color: var(--lime); }

/* Shared headings */
.section-heading { max-width: 820px; margin-bottom: 4rem; }.section-heading-wide { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(300px, .7fr); gap: clamp(3rem, 8vw, 10rem); align-items: end; max-width: none; }.section-kicker { margin-bottom: 1rem; color: var(--coral-dark); font-size: .7rem; font-weight: 800; letter-spacing: .13em; line-height: 1.4; text-transform: uppercase; }.section-heading h2 { margin-bottom: 1.1rem; }.section-heading h2 em { color: var(--coral); }.section-intro { color: var(--muted); font-size: 1rem; line-height: 1.85; }

/* Services */
.services-section { background: var(--paper); }.service-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-xl); background: var(--line); }.service-card { position: relative; min-width: 0; min-height: 345px; display: flex; flex-direction: column; padding: clamp(1.45rem, 2.2vw, 2.25rem); overflow: hidden; background: rgba(255,255,255,.82); transition: background .25s ease, transform .25s ease, box-shadow .25s ease; }.service-card::after { content: ''; position: absolute; right: -28%; bottom: -42%; width: 68%; aspect-ratio: 1; border-radius: 50%; background: var(--surface-warm); opacity: 0; transform: scale(.6); transition: opacity .3s ease, transform .3s ease; }.service-card:hover { z-index: 1; background: #fff; box-shadow: 0 18px 45px rgba(16,24,40,.12); transform: translateY(-5px); }.service-card:hover::after { opacity: 1; transform: scale(1); }.service-card-featured { background: linear-gradient(145deg, #fff0eb, #fff 64%); }.service-top, .service-card h3, .service-card p, .service-card .text-link { position: relative; z-index: 1; }.service-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 2rem; }.service-index { color: var(--muted-light); font-size: .62rem; font-weight: 800; letter-spacing: .1em; }.service-icon { display: grid; width: 60px; height: 60px; place-items: center; border-radius: 18px; }.service-icon svg { width: 27px; height: 27px; }.service-icon.icon-facebook { background: #e9f0ff; color: #1877f2; }.service-icon.icon-instagram { background: #ffe7ef; color: #e1306c; }.service-icon.icon-tiktok { background: #eef0f4; color: #111827; }.service-icon.icon-google { background: #fff0d2; color: #4285f4; }.service-icon.icon-campaign { background: #e3f8f2; color: var(--teal); }.service-icon.icon-content { background: #eeeaff; color: var(--violet); }.service-icon.icon-unlock { background: #fff0e4; color: var(--coral); }.service-icon.icon-verify { background: #eef7d5; color: #5b7c00; }.service-card h3 { max-width: 290px; margin-bottom: .75rem; font-size: clamp(1.05rem, 1.35vw, 1.36rem); }.service-card p { color: var(--muted); font-size: .82rem; line-height: 1.75; }.text-link { display: inline-flex; align-items: center; gap: .45rem; margin-top: auto; padding-top: 1.6rem; color: var(--coral-dark); font-size: .75rem; font-weight: 800; }.text-link svg { width: 16px; height: 16px; transition: transform .2s ease; }.text-link:hover svg { transform: translate(3px, -3px); }.mini-bars { display: flex; align-items: end; gap: 4px; height: 25px; }.mini-bars i { width: 5px; border-radius: 99px; background: currentColor; }.mini-bars i:nth-child(1) { height: 12px; opacity: .55; }.mini-bars i:nth-child(2) { height: 20px; opacity: .78; }.mini-bars i:nth-child(3) { height: 25px; }.content-orbit { position: relative; width: 27px; height: 27px; border: 2px solid currentColor; border-radius: 50%; }.content-orbit::before, .content-orbit::after { content: ''; position: absolute; border-radius: 50%; background: currentColor; }.content-orbit::before { top: -4px; right: 1px; width: 8px; height: 8px; }.content-orbit::after { bottom: 0; left: -4px; width: 6px; height: 6px; }.unlock-shape { width: 24px; height: 18px; border: 2px solid currentColor; border-radius: 4px; }.unlock-shape::before { content: ''; display: block; width: 11px; height: 10px; margin: -10px auto 0; border: 2px solid currentColor; border-bottom: 0; border-radius: 9px 9px 0 0; }.verify-mark { display: grid; width: 28px; height: 28px; place-items: center; border: 2px solid currentColor; border-radius: 50%; font-size: 1.05rem; font-weight: 900; }

/* Ecosystem map */
.ecosystem-section { position: relative; overflow: hidden; padding: clamp(90px, 10vw, 160px) 0; background: var(--navy); color: #d7deea; }.ecosystem-section::before { content: ''; position: absolute; width: 42rem; height: 42rem; top: -24rem; right: -12rem; border-radius: 50%; background: rgba(255,104,74,.18); filter: blur(100px); }.ecosystem-grid { position: relative; display: grid; grid-template-columns: minmax(300px, .78fr) minmax(0, 1.22fr); align-items: center; gap: clamp(3rem, 8vw, 11rem); }.ecosystem-copy { max-width: 500px; }.kicker-light { color: var(--lime); }.ecosystem-copy h2 { margin-bottom: 1.3rem; color: #fff; }.ecosystem-copy h2 em { color: var(--coral); }.ecosystem-copy > p:not(.section-kicker) { max-width: 470px; margin-bottom: 2rem; color: #aebbd0; font-size: 1rem; line-height: 1.85; }.ecosystem-map { position: relative; min-height: 600px; border: 1px solid rgba(255,255,255,.13); border-radius: var(--radius-xl); background: radial-gradient(circle at 52% 49%, rgba(200,243,91,.11), transparent 23%), linear-gradient(145deg, rgba(255,255,255,.06), rgba(255,255,255,.015)); }.ecosystem-map::after { content: ''; position: absolute; inset: 16px; border: 1px dashed rgba(255,255,255,.12); border-radius: calc(var(--radius-xl) - 10px); }.map-core { position: absolute; z-index: 2; top: 50%; left: 50%; display: grid; width: 130px; height: 130px; place-items: center; align-content: center; border: 1px solid rgba(200,243,91,.5); border-radius: 50%; background: var(--navy); box-shadow: 0 0 0 16px rgba(200,243,91,.05), 0 0 80px rgba(200,243,91,.15); transform: translate(-50%, -50%); }.map-core span { color: var(--coral); font-family: var(--font-display); font-size: 2.3rem; font-weight: 800; letter-spacing: -.1em; }.map-core small { color: #aebbd0; font-size: .58rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }.map-lines { position: absolute; inset: 0; }.map-lines i { position: absolute; top: 50%; left: 50%; width: 42%; height: 1px; background: linear-gradient(90deg, rgba(200,243,91,.8), rgba(255,104,74,.18)); transform-origin: left center; animation: linePulse 3.8s ease-in-out infinite; }.map-lines i:nth-child(1) { transform: rotate(-153deg); }.map-lines i:nth-child(2) { transform: rotate(-103deg); animation-delay: .5s; }.map-lines i:nth-child(3) { transform: rotate(-23deg); animation-delay: .9s; }.map-lines i:nth-child(4) { transform: rotate(35deg); animation-delay: 1.3s; }.map-lines i:nth-child(5) { transform: rotate(135deg); animation-delay: 1.7s; }.map-node { position: absolute; z-index: 3; display: grid; grid-template-columns: 38px auto; grid-template-rows: auto auto; column-gap: .55rem; align-items: center; min-width: 135px; padding: .7rem .8rem; border: 1px solid rgba(255,255,255,.15); border-radius: 14px; background: rgba(16,24,40,.82); box-shadow: 0 12px 26px rgba(0,0,0,.18); }.node-icon { grid-row: 1/3; display: grid; width: 34px; height: 34px; place-items: center; border-radius: 10px; }.node-icon svg { width: 17px; height: 17px; }.map-node b { color: #fff; font-size: .66rem; line-height: 1.15; }.map-node small { color: #9caac0; font-size: .56rem; line-height: 1.15; }.node-facebook { top: 9%; left: 10%; }.node-instagram { top: 9%; right: 9%; }.node-tiktok { top: 44%; right: 3%; }.node-zalo { right: 14%; bottom: 8%; }.node-mail { bottom: 8%; left: 12%; }.node-x { top: 44%; left: 3%; }.node-facebook .node-icon { background: #263e74; color: #80aaff; }.node-instagram .node-icon { background: #6c294b; color: #ff8cad; }.node-tiktok .node-icon { background: #303642; color: #fff; }.node-zalo .node-icon { background: #164f70; color: #65cbff; }.node-mail .node-icon { background: #536421; color: var(--lime); }.node-x .node-icon { background: #3b4351; color: #fff; }

/* Principles */
.principles-section { background: var(--surface); }.principles-section .section-heading-wide { margin-bottom: 4rem; }.principles-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-xl); background: var(--line); }.principle { min-width: 0; min-height: 225px; padding: clamp(1.5rem, 2.4vw, 2.35rem); background: rgba(255,255,255,.84); transition: background .2s ease; }.principle:hover { background: #fff; }.principle-number { display: block; margin-bottom: 1.5rem; color: var(--coral); font-size: .67rem; font-weight: 800; letter-spacing: .12em; }.principle h3 { margin-bottom: .65rem; font-size: 1.12rem; }.principle p { color: var(--muted); font-size: .81rem; line-height: 1.75; }

/* Process */
.process-section { background: var(--paper); }.process-grid { display: grid; grid-template-columns: minmax(300px, .82fr) minmax(0, 1.18fr); gap: clamp(3rem, 9vw, 12rem); align-items: start; }.process-grid .section-heading { margin-bottom: 0; }.process-note { display: flex; gap: .75rem; margin-top: 2rem; padding: 1rem; border: 1px solid rgba(255,104,74,.22); border-radius: 14px; background: var(--surface-warm); }.process-note > span { display: grid; width: 28px; height: 28px; flex: 0 0 auto; place-items: center; border-radius: 50%; background: var(--coral); color: #fff; font-size: .8rem; font-weight: 800; }.process-note p { color: var(--muted); font-size: .74rem; line-height: 1.55; }.process-list { position: relative; margin: 0; padding: .3rem 0 0; list-style: none; }.process-list::before { content: ''; position: absolute; top: 27px; bottom: 27px; left: 25px; width: 1px; background: linear-gradient(var(--coral), rgba(105,88,232,.2)); }.process-list li { position: relative; display: grid; grid-template-columns: 52px minmax(0,1fr); gap: 1.25rem; padding-bottom: 2.65rem; }.process-list li:last-child { padding-bottom: 0; }.step-number { position: relative; z-index: 1; display: grid; width: 52px; height: 52px; place-items: center; border: 1px solid rgba(255,104,74,.5); border-radius: 50%; background: var(--paper); color: var(--coral-dark); font-size: .72rem; font-weight: 800; }.process-list h3 { margin: .45rem 0 .55rem; font-size: 1.25rem; }.process-list p { max-width: 560px; color: var(--muted); font-size: .86rem; line-height: 1.75; }

/* Reporting */
.proof-section { padding: clamp(90px, 10vw, 160px) 0; background: var(--surface-warm); }.proof-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(300px, .92fr); gap: clamp(3rem, 9vw, 12rem); align-items: center; }.proof-visual { position: relative; min-height: 470px; padding: 1.5rem 3rem 2.5rem 0; }.report-card { position: relative; z-index: 2; width: min(100%, 650px); padding: clamp(1.2rem, 2.2vw, 2rem); border: 1px solid rgba(16,24,40,.12); border-radius: 24px; background: #fff; box-shadow: var(--shadow-md); transform: rotate(-1.5deg); }.report-head, .report-footer { display: flex; align-items: center; justify-content: space-between; gap: .8rem; color: var(--muted-light); font-size: .61rem; font-weight: 800; letter-spacing: .08em; }.report-live { display: inline-flex; align-items: center; gap: .3rem; color: var(--teal); letter-spacing: 0; text-transform: none; }.report-live i { width: 6px; height: 6px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 4px rgba(25,183,160,.12); }.report-title { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin: 2rem 0 1.2rem; }.report-title strong { color: var(--ink); font-family: var(--font-display); font-size: clamp(1.35rem, 2.2vw, 2rem); letter-spacing: -.07em; }.report-title span { color: var(--muted); font-size: .7rem; }.report-main { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: .8rem; margin-bottom: 1.2rem; }.report-kpi { padding: 1rem; border-radius: 14px; background: var(--surface); }.report-kpi small { display: block; margin-bottom: .45rem; color: var(--muted); font-size: .62rem; }.report-kpi strong { display: block; color: var(--ink); font-family: var(--font-display); font-size: .95rem; }.kpi-bar { display: block; height: 5px; margin-top: .8rem; overflow: hidden; border-radius: 99px; background: #e3e6ea; }.kpi-bar i { display: block; width: 78%; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--coral), var(--orange)); }.kpi-dots { display: flex; gap: 5px; margin-top: .8rem; }.kpi-dots i { width: 7px; height: 7px; border-radius: 50%; background: var(--coral); }.kpi-dots i:nth-child(2) { background: var(--orange); }.kpi-dots i:nth-child(3) { background: var(--lime); }.report-chart { position: relative; height: 155px; display: flex; align-items: end; gap: .65rem; padding: 1rem .8rem .25rem; border-bottom: 1px solid var(--line); background: repeating-linear-gradient(to bottom, transparent 0, transparent 37px, rgba(16,24,40,.06) 38px); }.report-chart span { flex: 1; min-width: 8px; border-radius: 6px 6px 2px 2px; background: linear-gradient(180deg, var(--coral), rgba(255,104,74,.18)); }.report-chart span:nth-child(2n) { background: linear-gradient(180deg, var(--violet), rgba(105,88,232,.18)); }.report-chart span:nth-child(3n) { background: linear-gradient(180deg, var(--teal), rgba(25,183,160,.18)); }.report-chart i { position: absolute; right: 5%; bottom: 45%; left: 3%; height: 2px; background: var(--lime); transform: rotate(-7deg); }.report-footer { justify-content: flex-start; flex-wrap: wrap; gap: 1.1rem; padding-top: 1rem; letter-spacing: 0; }.report-footer b { display: inline-block; width: 7px; height: 7px; margin-right: .3rem; border-radius: 50%; }.legend-coral { background: var(--coral); }.legend-lime { background: var(--lime); }.report-link { display: inline-flex; align-items: center; gap: .35rem; margin-left: auto; color: var(--coral-dark); font-weight: 800; }.report-link svg { width: 15px; height: 15px; }.proof-sticker { position: absolute; right: 2%; bottom: 3%; z-index: 3; display: grid; width: 130px; height: 130px; place-items: center; align-content: center; border-radius: 50%; background: var(--lime); color: var(--navy); box-shadow: 0 14px 28px rgba(16,24,40,.14); transform: rotate(9deg); }.proof-sticker span { font-family: var(--font-display); font-size: 2rem; font-weight: 800; letter-spacing: -.08em; }.proof-sticker small { font-size: .58rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }.proof-copy { max-width: 560px; }.proof-copy h2 { margin-bottom: 1.3rem; }.proof-copy h2 em { color: var(--coral); }.proof-copy > p:not(.section-kicker) { color: var(--muted); font-size: 1rem; line-height: 1.85; }.check-list { display: grid; gap: .8rem; margin: 1.8rem 0 2rem; padding: 0; list-style: none; }.check-list li { display: flex; align-items: flex-start; gap: .7rem; color: var(--ink-soft); font-size: .84rem; font-weight: 700; }.check-list li > span { display: grid; width: 22px; height: 22px; flex: 0 0 auto; place-items: center; border-radius: 50%; background: var(--lime); color: var(--navy); }.check-list svg { width: 13px; height: 13px; stroke-width: 2.5; }

/* FAQ */
.faq-section { background: var(--paper); }.faq-grid { display: grid; grid-template-columns: minmax(280px, .72fr) minmax(0, 1.28fr); gap: clamp(3rem, 10vw, 13rem); align-items: start; }.faq-grid .section-heading { margin-bottom: 0; }.faq-list { border-top: 1px solid var(--line); }.faq-item { border-bottom: 1px solid var(--line); }.faq-item h3 { margin: 0; }.faq-item button { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.45rem 0; border: 0; background: transparent; color: var(--ink); text-align: left; font-family: var(--font-display); font-size: clamp(1rem, 1.3vw, 1.2rem); font-weight: 800; letter-spacing: -.045em; }.faq-item button span { position: relative; width: 24px; height: 24px; flex: 0 0 auto; border: 1px solid var(--line-strong); border-radius: 50%; }.faq-item button span::before, .faq-item button span::after { content: ''; position: absolute; top: 50%; left: 50%; width: 10px; height: 1px; background: var(--coral); transform: translate(-50%,-50%); }.faq-item button span::after { transform: translate(-50%,-50%) rotate(90deg); transition: transform .2s ease; }.faq-item.is-open button span::after { transform: translate(-50%,-50%) rotate(0); }.faq-answer { padding: 0 3rem 1.5rem 0; }.faq-answer p { color: var(--muted); font-size: .88rem; line-height: 1.8; }

/* Contact */
.contact-section { position: relative; overflow: hidden; padding: clamp(90px, 10vw, 160px) 0; background: var(--navy); color: #d7deea; }.contact-section::before { content: ''; position: absolute; width: 45rem; height: 45rem; top: -25rem; left: -14rem; border-radius: 50%; background: rgba(255,104,74,.16); filter: blur(100px); }.contact-grid { position: relative; display: grid; grid-template-columns: minmax(300px, .83fr) minmax(0, 1.17fr); gap: clamp(3rem, 9vw, 12rem); align-items: start; }.contact-copy { max-width: 560px; padding-top: 1rem; }.contact-copy h2 { margin-bottom: 1.25rem; color: #fff; }.contact-copy h2 em { color: var(--coral); }.contact-copy > p:not(.section-kicker) { max-width: 500px; color: #aebbd0; font-size: 1rem; line-height: 1.85; }.contact-direct { display: grid; gap: 1rem; margin-top: 2.3rem; }.contact-direct a { display: flex; flex-direction: column; gap: .18rem; width: fit-content; }.contact-direct a span { display: inline-flex; align-items: center; gap: .38rem; color: #8f9db2; font-size: .65rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }.contact-direct a span svg { width: 15px; height: 15px; color: var(--lime); }.contact-direct a strong { color: #fff; font-family: var(--font-display); font-size: 1.1rem; letter-spacing: -.04em; }.contact-direct a:hover strong { color: var(--lime); }.contact-socials, .footer-socials { display: flex; align-items: center; gap: .55rem; margin-top: 2rem; }.social-button { display: grid; width: 38px; height: 38px; place-items: center; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; color: #d7deea; transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease; }.social-button svg { width: 17px; height: 17px; }.social-button:hover { border-color: var(--lime); background: var(--lime); color: var(--navy); transform: translateY(-3px); }.contact-form { padding: clamp(1.25rem, 3vw, 2.6rem); border: 1px solid rgba(255,255,255,.14); border-radius: var(--radius-xl); background: rgba(255,255,255,.97); box-shadow: 0 28px 80px rgba(0,0,0,.25); }.form-heading { display: flex; align-items: center; gap: .7rem; margin-bottom: 1.6rem; }.form-heading span { color: var(--coral-dark); font-size: .7rem; font-weight: 800; letter-spacing: .1em; }.form-heading p { color: var(--ink); font-family: var(--font-display); font-size: 1.1rem; font-weight: 800; }.form-row { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: .9rem; }.field { display: grid; gap: .4rem; margin-bottom: .95rem; }.field label { color: var(--ink-soft); font-size: .76rem; font-weight: 800; }.field label span { color: var(--coral-dark); }.field input, .field select, .field textarea { width: 100%; border: 1px solid var(--line-strong); border-radius: 11px; outline: none; background: #fff; color: var(--ink); padding: .82rem .9rem; font-size: .84rem; transition: border-color .2s ease, box-shadow .2s ease; }.field input::placeholder, .field textarea::placeholder { color: #a7afbb; }.field textarea { min-height: 112px; resize: vertical; }.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--coral); box-shadow: 0 0 0 4px rgba(255,104,74,.12); }.field input[aria-invalid="true"], .field select[aria-invalid="true"] { border-color: #e5484d; }.form-submit { width: 100%; margin-top: .2rem; }.form-note { margin-top: .8rem; color: var(--muted); font-size: .68rem; line-height: 1.55; }.form-status { min-height: 1.4em; margin-top: .7rem; color: var(--teal); font-size: .76rem; font-weight: 800; }.form-status.is-error { color: #d92d20; }

/* Footer */
.site-footer { background: #0b1220; color: #aebbd0; }.footer-main { display: grid; grid-template-columns: minmax(260px, 1.4fr) repeat(2,minmax(150px, .7fr)) minmax(220px, .9fr); gap: clamp(2rem, 5vw, 6rem); padding: 76px 0 60px; }.footer-brand { max-width: 350px; }.footer-brand-link .brand-mark { background: #fff; color: var(--coral); box-shadow: inset 0 -4px 0 var(--lime); }.footer-brand-link .brand-copy strong { color: #fff; }.footer-brand-link .brand-copy small { color: #7f8da4; }.footer-brand > p { margin: 1.35rem 0 1.4rem; color: #7f8da4; font-size: .82rem; line-height: 1.8; }.footer-zalo { display: inline-flex; align-items: center; gap: .45rem; color: var(--lime); font-size: .76rem; font-weight: 800; }.footer-zalo svg:first-child { width: 17px; height: 17px; }.footer-zalo svg:last-child { width: 14px; height: 14px; }.footer-column { display: flex; flex-direction: column; align-items: flex-start; gap: .72rem; }.footer-column h2 { margin-bottom: .55rem; color: #fff; font-family: var(--font-body); font-size: .68rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }.footer-column a, .footer-column p { color: #7f8da4; font-size: .78rem; line-height: 1.5; }.footer-column a:hover { color: var(--lime); }.footer-contact a { color: #e8edf5; font-weight: 700; }.footer-socials { margin-top: .55rem; }.footer-socials .social-button { width: 32px; height: 32px; border-color: rgba(255,255,255,.14); }.footer-socials .social-button svg { width: 14px; height: 14px; }.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; padding: 1.25rem 0 1.6rem; border-top: 1px solid rgba(255,255,255,.1); color: #66758d; font-size: .68rem; }

/* Motion */
.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.75,.2,1); }.js .reveal.is-visible { opacity: 1; transform: translateY(0); }.js .reveal-delay-1 { transition-delay: .08s; }.js .reveal-delay-2 { transition-delay: .16s; }.js .reveal-delay-3 { transition-delay: .24s; }
.js body:not(.page-ready) .hero-copy { opacity: 0; transform: translateY(24px); }.js body:not(.page-ready) .hero-stage { opacity: 0; transform: scale(.97); }.js body.page-ready .hero-copy { animation: heroCopyIn .8s cubic-bezier(.2,.8,.2,1) .96s both; }.js body.page-ready .hero-stage { animation: heroStageIn .9s cubic-bezier(.2,.8,.2,1) 1.04s both; }.js body:not(.page-ready) .assembly-piece { opacity: 0; }.js body.page-ready .piece-main { animation: assembleMain .9s cubic-bezier(.16,.8,.18,1) 1.18s both; }.js body.page-ready .piece-side { animation: assembleSide .75s cubic-bezier(.2,.8,.2,1) 1.42s both; }.js body.page-ready .piece-fb { animation: assembleFloat .75s cubic-bezier(.2,.8,.2,1) 1.52s both, floatSmall 5s ease-in-out 2.4s infinite; }.js body.page-ready .piece-ig { animation: assembleFloat .75s cubic-bezier(.2,.8,.2,1) 1.62s both, floatSmall 5.6s ease-in-out 2.6s infinite; }.js body.page-ready .piece-tt { animation: assembleFloat .75s cubic-bezier(.2,.8,.2,1) 1.72s both, floatSmall 5.2s ease-in-out 2.8s infinite; }.js body.page-ready .piece-zalo { animation: assembleFloat .75s cubic-bezier(.2,.8,.2,1) 1.82s both, floatSmall 5.8s ease-in-out 3s infinite; }.js body.page-ready .piece-caption { animation: captionIn .8s ease 1.95s both; }
@keyframes loaderMark { from { opacity: 0; transform: translateY(14px) rotate(-10deg); } to { opacity: 1; transform: translateY(0) rotate(0); } }
@keyframes loaderWord { from { opacity: 0; letter-spacing: .35em; } to { opacity: 1; letter-spacing: .18em; } }
@keyframes loaderLine { from { transform: translateX(-110%); } to { transform: translateX(260%); } }
@keyframes heroCopyIn { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes heroStageIn { from { opacity: 0; transform: scale(.96) translateX(24px); } to { opacity: 1; transform: scale(1) translateX(0); } }
@keyframes assembleMain { from { opacity: 0; transform: translate(42px, 30px) rotate(6deg) scale(.9); } to { opacity: 1; transform: rotate(-2deg); } }
@keyframes assembleSide { from { opacity: 0; transform: translate(34px, -26px) rotate(15deg) scale(.7); } to { opacity: 1; transform: rotate(6deg); } }
@keyframes assembleFloat { from { opacity: 0; transform: translateY(24px) scale(.6) rotate(-10deg); } to { opacity: 1; transform: translateY(0) scale(1) rotate(0); } }
@keyframes captionIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes chartRise { from { transform: scaleY(0); } to { transform: scaleY(1); } }
@keyframes floatSmall { 0%,100% { margin-top: 0; } 50% { margin-top: -8px; } }
@keyframes linePulse { 0%,100% { opacity: .3; } 50% { opacity: 1; } }
@keyframes railMove { from { transform: translateX(0); } to { transform: translateX(-35%); } }
@keyframes scrollDot { 0%,100% { opacity: .35; transform: translate(-50%,0); } 50% { opacity: 1; transform: translate(-50%,7px); } }

@media (max-width: 1240px) {
  :root { --gutter: clamp(28px, 4vw, 58px); }
  .header-inner { gap: 1.2rem; }.primary-nav { gap: 1.25rem; }.nav-link { font-size: .78rem; }.header-socials { display: none; }
  .hero-layout { gap: clamp(2.5rem, 4vw, 5rem); }.hero-stage { min-height: 540px; }.service-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }.service-card { min-height: 320px; }.ecosystem-grid, .proof-grid, .contact-grid { gap: clamp(3rem, 6vw, 7rem); }
}

@media (max-width: 1080px) {
  :root { --header-height: 72px; --gutter: 30px; }
  .header-cta { display: none; }.menu-toggle { display: flex; }.primary-nav { position: fixed; z-index: 1001; top: 0; right: 0; width: min(86vw, 380px); height: 100dvh; display: flex; align-items: stretch; flex-direction: column; gap: 0; margin: 0; padding: 6.8rem 2rem 2rem; background: var(--paper); box-shadow: -24px 0 70px rgba(16,24,40,.2); transform: translateX(105%); transition: transform .32s cubic-bezier(.2,.75,.2,1); }.primary-nav .nav-link { width: 100%; padding: 1rem 0; border-bottom: 1px solid var(--line); font-size: 1.05rem; }.primary-nav .nav-link::after { bottom: -.5px; }.menu-backdrop { position: fixed; z-index: 1000; inset: 0; display: block; background: rgba(16,24,40,.42); opacity: 0; pointer-events: none; transition: opacity .25s ease; }.site-header.menu-open .primary-nav { transform: translateX(0); }.site-header.menu-open .menu-backdrop { opacity: 1; pointer-events: auto; }.menu-toggle { position: relative; z-index: 1002; }
  .hero { min-height: auto; padding-top: calc(var(--header-height) + 70px); }.hero-layout { grid-template-columns: 1fr; gap: 4rem; }.hero-copy { max-width: 760px; margin-inline: auto; text-align: center; }.hero-line { white-space: normal; }.hero-lead { margin-inline: auto; }.hero-actions, .hero-signals { justify-content: center; }.hero-stage { width: min(100%, 760px); margin-inline: auto; min-height: 560px; }.scroll-cue { display: none; }
  .rail-inner { align-items: flex-start; flex-direction: column; gap: .8rem; padding-block: 1.2rem; }.rail-window { width: 100%; }.rail-track { gap: 2rem; }
  .section-heading-wide { grid-template-columns: 1fr; gap: 1rem; }.section-heading-wide .section-intro { max-width: 650px; }.ecosystem-grid, .process-grid, .proof-grid, .faq-grid, .contact-grid { grid-template-columns: 1fr; gap: 4rem; }.ecosystem-copy, .proof-copy, .contact-copy { max-width: 720px; }.ecosystem-map { min-height: 560px; }.faq-grid .section-heading { margin-bottom: 0; }.footer-main { grid-template-columns: repeat(2,minmax(0,1fr)); }.footer-brand { grid-column: 1/-1; max-width: 520px; }
}

@media (max-width: 620px) {
  :root { --gutter: 18px; --radius-xl: 24px; --radius-lg: 18px; }
  body { font-size: 15px; }.brand-mark { width: 38px; height: 38px; border-radius: 11px; font-size: 1.22rem; }.brand-copy strong { font-size: .98rem; }.brand-copy small { font-size: .42rem; }.hero { padding-top: calc(var(--header-height) + 54px); padding-bottom: 62px; }.hero h1 { font-size: clamp(2.75rem, 13vw, 4.4rem); letter-spacing: -.08em; }.hero-lead { font-size: .95rem; }.hero-actions { flex-direction: column; }.hero-actions .btn { width: 100%; }.hero-signals { flex-direction: column; align-items: center; gap: .65rem; font-size: .67rem; }.hero-stage { min-height: 420px; margin-top: -.2rem; }.stage-panel-main { top: 14%; right: 2%; bottom: 15%; left: 2%; border-radius: 18px; }.stage-panel-body { grid-template-columns: 1fr; grid-template-rows: auto auto 1fr auto; gap: .8rem; padding: 1.15rem; }.stage-intro strong { font-size: 1.32rem; }.stage-kpis { flex-direction: row; gap: .6rem; }.stage-kpis span { flex: 1; flex-direction: column; align-items: flex-start; gap: .12rem; padding-bottom: .45rem; }.stage-chart { min-height: 105px; gap: .32rem; }.stage-panel-side { right: -2%; bottom: 16%; width: 105px; padding: .7rem; }.stage-panel-side strong { font-size: .75rem; }.social-float { padding: .42rem; border-radius: 12px; }.social-float > span:last-child { display: none; }.social-float-icon { width: 30px; height: 30px; }.social-float-fb { top: 8%; left: -1%; }.social-float-ig { top: 43%; right: -1%; }.social-float-tt { bottom: 7%; left: 0; }.social-float-zalo { right: 15%; bottom: 0; }.stage-caption { right: 4%; bottom: -1.5rem; font-size: .56rem; }.stage-grid { inset: 10% 0 7%; }.stage-halo { inset: 7% 1% 5% 2%; }
  .service-grid { grid-template-columns: 1fr; border-radius: var(--radius-lg); }.service-card { min-height: 285px; padding: 1.35rem; }.service-icon { width: 52px; height: 52px; border-radius: 15px; }.service-icon svg { width: 23px; height: 23px; }.service-card h3 { font-size: 1.15rem; }.service-card p { font-size: .8rem; }.ecosystem-section { padding-block: 78px; }.ecosystem-map { min-height: 430px; border-radius: var(--radius-lg); }.map-core { width: 96px; height: 96px; }.map-core span { font-size: 1.65rem; }.map-core small { font-size: .46rem; }.map-node { grid-template-columns: 28px auto; min-width: 0; padding: .45rem; border-radius: 10px; }.node-icon { width: 27px; height: 27px; border-radius: 8px; }.node-icon svg { width: 13px; height: 13px; }.map-node b { font-size: .54rem; }.map-node small { font-size: .46rem; }.node-facebook { top: 8%; left: 3%; }.node-instagram { top: 8%; right: 3%; }.node-tiktok { top: 44%; right: 1%; }.node-zalo { right: 6%; bottom: 7%; }.node-mail { bottom: 7%; left: 5%; }.node-x { top: 44%; left: 1%; }.principles-grid { grid-template-columns: 1fr; border-radius: var(--radius-lg); }.principle { min-height: 0; padding: 1.35rem; }.process-list li { grid-template-columns: 44px minmax(0,1fr); gap: .9rem; padding-bottom: 2.1rem; }.process-list::before { left: 21px; }.step-number { width: 44px; height: 44px; }.process-list h3 { font-size: 1.05rem; }.process-list p { font-size: .8rem; }.proof-visual { min-height: 335px; padding: 0; }.report-card { width: 100%; padding: 1rem; border-radius: 18px; transform: none; }.report-title { margin-block: 1.25rem .9rem; }.report-main { gap: .45rem; }.report-kpi { padding: .7rem; }.report-chart { height: 108px; gap: .35rem; }.proof-sticker { right: 0; bottom: -1.7rem; width: 88px; height: 88px; }.proof-sticker span { font-size: 1.35rem; }.proof-sticker small { font-size: .42rem; }.faq-answer { padding-right: 0; }.faq-item button { font-size: .98rem; }.form-row { grid-template-columns: 1fr; gap: 0; }.contact-form { padding: 1.15rem; border-radius: var(--radius-lg); }.footer-main { grid-template-columns: 1fr; gap: 2rem; padding-block: 56px 40px; }.footer-brand { grid-column: auto; }.footer-bottom { align-items: flex-start; flex-direction: column; gap: .45rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .js .site-loader { display: none; }.js .reveal, .js body:not(.page-ready) .hero-copy, .js body:not(.page-ready) .hero-stage, .js body:not(.page-ready) .assembly-piece { opacity: 1; transform: none; }.rail-track { animation: none; }
}

.rail-item .icon-youtube { color: #ff6c6c; }

/* The progress indicator stays visible above the fixed header. */
.scroll-progress { position: fixed; top: 0; left: 0; z-index: 2500; width: 0; height: 3px; background: linear-gradient(90deg, var(--coral), var(--orange), var(--lime)); box-shadow: 0 0 12px rgba(255,104,74,.45); pointer-events: none; }

/* Rail icons carry their platform class directly on the SVG element. */
svg.icon-google { fill: currentColor; stroke: none; }
svg.icon-zalo { fill: currentColor; stroke: none; }
svg.icon-instagram circle:last-child { fill: currentColor; stroke: none; }

@media (max-width: 1080px) {
  .primary-nav { justify-content: flex-start; }
  .rail-window { -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); }
}

/* Accessible text tones: keep the bright coral/lime accents for decoration,
   while using darker tones wherever a small text label sits on a light surface. */
:root {
  --coral-text: #c2271d;
  --teal-text: #007a6e;
}

.btn-primary {
  background: var(--coral-text);
}

.btn-primary:hover {
  background: #a8321d;
}

.btn:focus-visible,
.text-link:focus-visible,
.nav-link:focus-visible,
.menu-toggle:focus-visible,
.faq-item button:focus-visible,
.icon-link:focus-visible,
.social-button:focus-visible {
  outline-color: var(--coral-text);
}

.nav-link:hover,
.nav-link.is-active,
.section-kicker:not(.kicker-light),
.hero .eyebrow,
.hero-highlight,
.section-heading h2 em,
.service-card .text-link,
.principle-number,
.step-number,
.stage-label,
.report-link,
.form-heading > span,
.field label > span {
  color: var(--coral-text);
}

.process-note > span {
  background: var(--coral-text);
}

.report-live,
.form-status {
  color: var(--teal-text);
}

.stage-toolbar,
.service-index,
.report-head,
.report-footer {
  color: var(--muted);
}

.report-kpi small {
  color: #5b6678;
}

.field input::placeholder,
.field textarea::placeholder {
  color: #667085;
}

.service-icon.icon-campaign {
  color: var(--teal-text);
}

.service-icon.icon-unlock {
  color: var(--coral-text);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--coral-text);
  box-shadow: 0 0 0 4px rgba(200, 59, 38, .18);
}

@media (prefers-reduced-motion: reduce) {
  .btn:hover,
  .service-card:hover,
  .icon-link:hover,
  .social-button:hover {
    transform: none;
  }
}

/* The marquee contains two identical sets, so the loop can restart without a gap. */
.rail-track { gap: 0; }
.rail-set { display: flex; align-items: center; gap: clamp(1.8rem, 4vw, 4.8rem); flex: 0 0 auto; padding-right: clamp(1.8rem, 4vw, 4.8rem); }
@keyframes railMove { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.icon-link.is-disabled,
.social-button.is-disabled { opacity: .48; cursor: default; pointer-events: none; }
.icon-link.is-disabled:hover,
.social-button.is-disabled:hover { border-color: transparent; background: transparent; color: inherit; transform: none; }

@media (max-width: 1080px) {
  .rail-track { gap: 0; }
  .rail-set { gap: 2rem; padding-right: 2rem; }
}

@media (min-width: 1081px) and (max-width: 1320px) {
  .hero-line:last-child { white-space: normal; }
}

/* If JavaScript is unavailable, keep the mobile navigation visible and usable. */
@media (max-width: 1080px) {
  html:not(.js) .site-header { position: relative; }
  html:not(.js) .header-inner { flex-wrap: wrap; padding-block: .7rem; }
  html:not(.js) .primary-nav { position: static; order: 3; width: 100%; height: auto; display: flex; flex-direction: row; flex-wrap: wrap; gap: .25rem 1.15rem; padding: .55rem 0 .8rem; background: transparent; box-shadow: none; transform: none; }
  html:not(.js) .primary-nav .nav-link { width: auto; padding: .35rem 0; border-bottom: 0; font-size: .78rem; }
  html:not(.js) .menu-toggle { display: none; }
  html:not(.js) .hero { padding-top: 70px; }
}

/* Keep the remaining small text accents readable on their actual surfaces. */
.proof-copy h2 em { color: var(--coral-text); }
.scroll-cue { color: var(--muted); }
.footer-bottom { color: #8f9db2; }
.footer-brand-link .brand-mark { color: var(--coral-text); }

/* The Zalo symbol is also used directly on the marquee SVGs. */
.icon-cut { fill: none; stroke: #fff; stroke-width: 1.45; }

/* Interactive accents use the same AA-safe coral tone as their labels. */
.text-link,
.btn-ghost:hover { color: var(--coral-text); }
.btn-ghost:hover { border-color: var(--coral-text); }
.nav-link::after,
.faq-item button span::before,
.faq-item button span::after,
.scroll-cue span::after { background: var(--coral-text); }

/* Teal status labels/dots remain legible on the light cards. */
.stage-toolbar b,
.report-live { color: var(--teal-text); }
.stage-toolbar b i,
.report-live i,
.hero-signals i { background: var(--teal-text); }

/* Use the supplied AlphaViet A emblem as a transparent, background-aware mark. */
.brand-mark,
.loader-mark {
  object-fit: contain;
  flex: 0 0 auto;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

/* Vietnamese glyph safety: preserve room for stacked accents and avoid
   aggressive tracking that can make ă/â/ê/ô/ơ/ư marks collide at small sizes. */
body { font-synthesis: none; font-kerning: normal; }
h1, h2, h3 { line-height: 1.08; letter-spacing: -.045em; }
.hero h1 { letter-spacing: -.055em; }
.hero-line:last-child { letter-spacing: -.06em; }
h3 { letter-spacing: -.02em; }
.section-kicker,
.eyebrow,
.rail-label,
.principle-number,
.service-index,
.stage-label,
.side-label,
.map-core small,
.report-head,
.report-footer,
.form-heading span,
.contact-direct a span,
.footer-column h2 { line-height: 1.6; }
.btn,
.text-link { line-height: 1.35; }

/* Brand lock-up: the supplied A emblem carries its own light/dark artwork;
   the AlphaViet wordmark remains live HTML so it stays crisp and searchable. */
.brand-mark,
.loader-mark {
  padding: 0;
  image-rendering: auto;
}
.brand-mark {
  width: 58px;
  height: auto;
}
.loader-mark {
  width: 66px;
  height: auto;
  filter: drop-shadow(0 12px 22px rgba(0,0,0,.22));
}
.footer-brand-link .brand-mark {
  width: 58px;
  height: auto;
  background: transparent;
  box-shadow: none;
}
.brand-signature {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  align-items: center;
  gap: 1rem;
  max-width: 390px;
  margin: 2.25rem 0 0;
}
.brand-signature > img {
  width: 132px;
  height: auto;
  object-fit: contain;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  filter: drop-shadow(0 18px 28px rgba(0,0,0,.28));
}
.platform-logo {
  display: block;
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  object-fit: contain;
}
.channel-pill .platform-logo {
  width: 14px;
  height: 14px;
  flex-basis: 14px;
}
.social-float-icon .platform-logo {
  width: 17px;
  height: 17px;
  flex-basis: 17px;
}
.service-icon .platform-logo {
  width: 27px;
  height: 27px;
  flex-basis: 27px;
}
.brand-signature figcaption {
  display: grid;
  gap: .2rem;
}
.brand-signature figcaption span {
  color: #f5c542;
  font-size: .62rem;
  font-weight: 800;
  letter-spacing: .14em;
  line-height: 1.5;
}
.brand-signature figcaption strong {
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.02rem;
  letter-spacing: -.035em;
  line-height: 1.25;
}
.brand-signature figcaption small {
  color: #b7aeb0;
  font-size: .68rem;
  line-height: 1.55;
}
.site-header .brand-copy small {
  color: var(--coral-text);
  letter-spacing: .18em;
}
.brand-platform-cues {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  margin-top: .55rem;
}
.brand-platform-cues span {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  color: #e8e1e1;
  font-size: .56rem;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.2;
  text-transform: none;
}
.brand-platform-cues img {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  object-fit: contain;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

/* Platform logos keep their native colors. The Alpha red is reserved for
   actions and brand accents, never painted over the supplied Zalo artwork. */
.header-socials .icon-zalo svg,
.contact-socials .icon-zalo svg,
.contact-direct a[href*="zalo"] > span > svg,
.footer-zalo > svg:first-child {
  width: 18px;
  height: 18px;
  padding: 0;
  border-radius: 0;
  background: transparent;
}
.social-float-zalo .social-float-icon {
  border-color: rgba(0,143,229,.2);
  background: #e8f6ff;
}

@media (max-width: 560px) {
  .brand-mark { width: 48px; height: auto; border-radius: 0; }
  .brand-signature {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: .85rem;
    max-width: 330px;
  }
  .brand-signature > img {
    width: 92px;
    height: auto;
    border-radius: 0;
  }
  .brand-signature figcaption strong { font-size: .92rem; }
  .brand-signature figcaption small { font-size: .62rem; }
}

/* Header uses the supplied platform artwork at a controlled size so each
   logo stays recognizable without stretching the navigation row. */
.header-platform-logo {
  display: block;
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  object-fit: contain;
}
.header-platform-logo-instagram { transform: scale(1.28); }
.header-platform-logo-tiktok { transform: scale(1.08); }
.header-platform-logo-zalo { width: 19px; height: 19px; flex-basis: 19px; }
.header-socials .icon-link.icon-facebook:hover { color: #1877f2; }
.header-socials .icon-link.icon-instagram:hover { color: #d62976; }
.header-socials .icon-link.icon-tiktok:hover { color: #111; }
.header-socials .icon-link.icon-zalo:hover { color: #008fe5; }

/* Floating Zalo contact widget. It stays compact at rest, then opens into a
   branded conversation card after the page has settled. The widget uses the
   supplied Zalo artwork and keeps a generous hit area for touch devices. */
.zalo-widget {
  position: fixed;
  right: clamp(14px, 2.4vw, 36px);
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 1400;
  display: flex;
  align-items: flex-end;
  flex-direction: column;
  gap: 12px;
  pointer-events: none;
}
.zalo-widget > * { pointer-events: auto; }
.zalo-widget-panel {
  position: relative;
  width: min(360px, calc(100vw - 32px));
  overflow: hidden;
  padding: 1.25rem;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 24px;
  background:
    radial-gradient(circle at 100% 0, rgba(0,143,229,.2), transparent 44%),
    linear-gradient(145deg, #1b2739 0%, #0d1524 100%);
  color: #fff;
  box-shadow: 0 24px 64px rgba(10,22,39,.32), 0 8px 22px rgba(10,22,39,.16);
  transform-origin: 92% 100%;
}
.zalo-widget-panel[hidden] { display: none; }
.zalo-widget-panel::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, #008fe5, #46c6ff 50%, var(--coral));
  content: '';
}
.zalo-widget-panel::after {
  position: absolute;
  right: -42px;
  bottom: -58px;
  width: 150px;
  height: 150px;
  border: 1px solid rgba(70,198,255,.17);
  border-radius: 50%;
  box-shadow: 0 0 0 18px rgba(70,198,255,.035), 0 0 0 36px rgba(70,198,255,.02);
  content: '';
  pointer-events: none;
}
.zalo-widget-brand {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: .78rem;
  padding-right: 2rem;
}
.zalo-widget-logo {
  display: grid;
  width: 48px;
  height: 48px;
  flex: 0 0 48px;
  place-items: center;
  border: 1px solid rgba(255,255,255,.55);
  border-radius: 15px;
  background: #fff;
  box-shadow: 0 8px 18px rgba(0,0,0,.18);
}
.zalo-widget-logo img { width: 33px; height: 33px; object-fit: contain; }
.zalo-widget-heading { display: grid; gap: .2rem; min-width: 0; }
.zalo-widget-heading small {
  color: #78d1ff;
  font-size: .58rem;
  font-weight: 800;
  letter-spacing: .14em;
  line-height: 1.3;
}
.zalo-widget-heading strong {
  color: #fff;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: -.035em;
  line-height: 1.2;
}
.zalo-widget-copy {
  position: relative;
  z-index: 1;
  max-width: 295px;
  margin: 1rem 0 1.05rem;
  color: #c5d2e2;
  font-size: .76rem;
  line-height: 1.65;
}
.zalo-widget-action {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .7rem;
  min-height: 44px;
  padding: .62rem .8rem .62rem 1rem;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 12px;
  background: linear-gradient(100deg, #0078ed, #00a4e8);
  color: #fff;
  font-size: .76rem;
  font-weight: 800;
  box-shadow: 0 10px 22px rgba(0,126,231,.25);
  transition: transform .22s ease, box-shadow .22s ease, filter .22s ease;
}
.zalo-widget-action svg { width: 17px; height: 17px; flex: 0 0 17px; }
.zalo-widget-action:hover { filter: brightness(1.08); box-shadow: 0 14px 28px rgba(0,126,231,.34); transform: translateY(-2px); }
.zalo-widget-action:focus-visible,
.zalo-widget-dismiss:focus-visible,
.zalo-widget-toggle:focus-visible {
  outline: 3px solid rgba(70,198,255,.55);
  outline-offset: 3px;
}
.zalo-widget-status {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  margin-top: .82rem;
  color: #93a9c1;
  font-size: .61rem;
  font-weight: 700;
}
.zalo-widget-status i {
  width: 7px;
  height: 7px;
  flex: 0 0 7px;
  border-radius: 50%;
  background: #5de39a;
  box-shadow: 0 0 0 4px rgba(93,227,154,.13);
}
.zalo-widget-dismiss {
  position: absolute;
  top: 11px;
  right: 11px;
  z-index: 2;
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  padding: 0;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  color: #c5d2e2;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}
.zalo-widget-dismiss span,
.zalo-widget-dismiss span::after {
  display: block;
  width: 12px;
  height: 1.5px;
  border-radius: 2px;
  background: currentColor;
  content: '';
  transform: rotate(45deg);
}
.zalo-widget-dismiss span::after { transform: rotate(90deg); }
.zalo-widget-dismiss:hover { background: rgba(255,255,255,.16); color: #fff; transform: rotate(8deg); }
.zalo-widget-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  min-height: 58px;
  padding: .42rem .86rem .42rem .48rem;
  border: 1px solid rgba(255,255,255,.7);
  border-radius: 999px;
  background: linear-gradient(110deg, #0078ed 0%, #008fe5 58%, #00a4e8 100%);
  color: #fff;
  box-shadow: 0 14px 28px rgba(0,126,231,.28), 0 3px 8px rgba(10,22,39,.14);
  transition: transform .25s ease, box-shadow .25s ease, filter .25s ease;
}
.zalo-widget-toggle:hover { filter: brightness(1.06); box-shadow: 0 18px 34px rgba(0,126,231,.34), 0 4px 10px rgba(10,22,39,.16); transform: translateY(-3px); }
.zalo-widget-toggle-icon {
  position: relative;
  display: grid;
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  place-items: center;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 4px 10px rgba(0,0,0,.16);
}
.zalo-widget-toggle-icon img { width: 29px; height: 29px; object-fit: contain; }
.zalo-widget-toggle-label { padding-right: .1rem; font-size: .75rem; font-weight: 800; letter-spacing: -.01em; }
.zalo-widget-toggle-ping {
  position: absolute;
  top: 4px;
  right: 5px;
  width: 8px;
  height: 8px;
  border: 2px solid #008fe5;
  border-radius: 50%;
  background: #5de39a;
  box-shadow: 0 0 0 3px rgba(93,227,154,.16);
}
.zalo-widget-toggle-ping::before {
  position: absolute;
  inset: -5px;
  border: 1px solid rgba(93,227,154,.58);
  border-radius: inherit;
  content: '';
  animation: zaloPing 2.4s ease-out infinite;
}
.zalo-widget.is-open .zalo-widget-toggle { background: linear-gradient(110deg, #005ec4, #007dcc); }
.zalo-widget.is-open .zalo-widget-toggle-ping { display: none; }
.js body:not(.page-ready) .zalo-widget { opacity: 0; transform: translateY(14px) scale(.94); }
.js body.page-ready .zalo-widget { animation: zaloWidgetIn .65s cubic-bezier(.2,.8,.2,1) .2s both; }
.zalo-widget.is-open .zalo-widget-panel { animation: zaloPanelIn .58s cubic-bezier(.16,.8,.18,1) both; }
.zalo-widget.is-closing .zalo-widget-panel { animation: zaloPanelOut .22s ease both; }
@keyframes zaloWidgetIn { from { opacity: 0; transform: translateY(14px) scale(.94); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes zaloPanelIn { from { opacity: 0; transform: translateY(18px) scale(.88); filter: blur(4px); } to { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); } }
@keyframes zaloPanelOut { from { opacity: 1; transform: translateY(0) scale(1); } to { opacity: 0; transform: translateY(8px) scale(.94); } }
@keyframes zaloPing { 0% { opacity: .65; transform: scale(.65); } 70%,100% { opacity: 0; transform: scale(1.8); } }

@media (max-width: 560px) {
  .zalo-widget { right: 14px; bottom: max(14px, env(safe-area-inset-bottom)); gap: 10px; }
  /* Leave room for the browser's classic scrollbar as well as the 14px edge
     inset, so the card never clips on compact 320px viewports. */
  .zalo-widget-panel { width: min(350px, calc(100vw - 40px)); padding: 1.05rem; border-radius: 20px; }
  .zalo-widget-logo { width: 43px; height: 43px; flex-basis: 43px; border-radius: 13px; }
  .zalo-widget-logo img { width: 29px; height: 29px; }
  .zalo-widget-heading strong { font-size: .92rem; }
  .zalo-widget-copy { margin-block: .85rem .95rem; font-size: .72rem; }
  .zalo-widget-toggle { min-height: 53px; padding-right: .72rem; }
  .zalo-widget-toggle-icon { width: 38px; height: 38px; flex-basis: 38px; }
  .zalo-widget-toggle-icon img { width: 26px; height: 26px; }
  .zalo-widget-toggle-label { font-size: .7rem; }
}

@media (prefers-reduced-motion: reduce) {
  .zalo-widget-toggle-ping::before { animation: none; }
  .zalo-widget-panel,
  .zalo-widget,
  .zalo-widget-action,
  .zalo-widget-toggle,
  .zalo-widget-dismiss { animation: none !important; transition-duration: .01ms !important; }
}

/* Keep the contact affordance out of the way while the mobile navigation is
   open; the panel returns with its previous state after the menu closes. */
body.menu-open .zalo-widget { visibility: hidden; }
body.menu-open .zalo-widget > * { pointer-events: none; }