/* ============================================================
   垚盾网络 yaodune.com — 2026 Dark Tech + Gradient Theme
   ============================================================ */

/* ---------- Design tokens ---------- */
:root {
  --bg: #060914;
  --bg-2: #0a0f1f;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-2: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #e8edff;
  --text-muted: #98a2c4;
  --text-dim: #6b7596;
  --brand: #22d3ee;       /* cyan */
  --brand-2: #3b82f6;     /* blue */
  --brand-3: #8b5cf6;     /* violet */
  --accent: #06b6d4;
  --grad: linear-gradient(120deg, #22d3ee 0%, #3b82f6 55%, #8b5cf6 100%);
  --grad-soft: linear-gradient(120deg, rgba(34,211,238,.16), rgba(59,130,246,.16), rgba(139,92,246,.16));
  --shadow: 0 24px 60px -20px rgba(0, 0, 0, .7);
  --glow: 0 0 40px rgba(34, 211, 238, .25);
  --radius: 18px;
  --radius-lg: 28px;
  --maxw: 1200px;
  --header-h: 70px;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Helvetica Neue", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--brand); }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }

/* ---------- Layout helpers ---------- */
.container { width: min(100% - 64px, var(--maxw)); margin-inline: auto; }
.section { padding: 110px 0; position: relative; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--brand); font-weight: 600;
  padding: 6px 14px; border-radius: 100px;
  border: 1px solid rgba(34,211,238,.3); background: rgba(34,211,238,.08);
}
.section-title {
  font-size: clamp(28px, 4vw, 44px); font-weight: 800; line-height: 1.2;
  letter-spacing: -.02em; margin: 22px 0 16px;
}
.section-title .grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.section-lead { color: var(--text-muted); font-size: 17px; max-width: 640px; }
.section-head { margin-bottom: 56px; }
.section-head.center { text-align: center; }
.section-head.center .section-lead { margin-inline: auto; }

/* ---------- Animated background mesh ---------- */
.bg-mesh { position: fixed; inset: 0; z-index: -2; overflow: hidden; pointer-events: none; }
.bg-mesh::before, .bg-mesh::after {
  content: ""; position: absolute; border-radius: 50%; filter: blur(90px); opacity: .5;
}
.bg-mesh::before {
  width: 55vw; height: 55vw; top: -15%; left: -10%;
  background: radial-gradient(circle, rgba(34,211,238,.5), transparent 65%);
  animation: drift1 18s ease-in-out infinite alternate;
}
.bg-mesh::after {
  width: 50vw; height: 50vw; bottom: -20%; right: -12%;
  background: radial-gradient(circle, rgba(139,92,246,.45), transparent 65%);
  animation: drift2 22s ease-in-out infinite alternate;
}
.grid-overlay {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 80%);
}
@keyframes drift1 { to { transform: translate(12%, 8%) scale(1.15); } }
@keyframes drift2 { to { transform: translate(-10%, -6%) scale(1.1); } }

/* ---------- Header / Nav ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center;
  padding: 0 clamp(20px, 5vw, 56px);
  transition: background .3s var(--ease), border-color .3s var(--ease), backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(6, 9, 20, .72);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom-color: var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; width: 100%; max-width: var(--maxw); margin-inline: auto; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 19px; letter-spacing: .02em; }
.brand-logo { width: 36px; height: 36px; flex: none; }
.brand-text { color: var(--text); }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  padding: 9px 16px; border-radius: 100px; font-size: 15px; color: var(--text-muted); font-weight: 500;
  transition: all .2s var(--ease);
}
.nav-links a:hover, .nav-links a.active { color: var(--text); background: var(--surface); }
.nav-cta {
  margin-left: 10px; padding: 11px 24px; border-radius: 100px;
  background: #fff; color: #06121a; font-weight: 700; font-size: 14px;
  box-shadow: 0 4px 18px rgba(0,0,0,.35); transition: transform .2s var(--ease), box-shadow .2s, background .2s;
}
.nav-cta:hover { transform: translateY(-2px); color: #06121a; background: #eaf6ff; box-shadow: 0 8px 26px rgba(34,211,238,.45); }
.nav-toggle { display: none; width: 42px; height: 42px; border-radius: 10px; align-items: center; justify-content: center; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--text); position: relative; transition: .3s; }
.nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 0; width: 20px; height: 2px; background: var(--text); transition: .3s;
}
.nav-toggle span::before { top: -6px; } .nav-toggle span::after { top: 6px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 14px 28px; border-radius: 100px; font-weight: 700; font-size: 15px;
  transition: transform .2s var(--ease), box-shadow .2s, background .2s; white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--grad); color: #06121a; box-shadow: var(--glow); }
.btn-primary:hover { transform: translateY(-2px); color: #06121a; box-shadow: 0 0 50px rgba(34,211,238,.5); }
.btn-ghost { border: 1px solid var(--border-strong); color: var(--text); background: var(--surface); }
.btn-ghost:hover { border-color: var(--brand); background: var(--surface-2); transform: translateY(-2px); color: var(--text); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  padding: calc(var(--header-h) + 40px) 0 60px;
}
.hero-inner { max-width: 820px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 16px; border-radius: 100px; font-size: 13px; font-weight: 600;
  color: var(--brand); background: rgba(34,211,238,.08);
  border: 1px solid rgba(34,211,238,.22); margin-bottom: 28px;
}
.hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--brand); box-shadow: 0 0 8px var(--brand); animation: pulse 2s infinite; }
@keyframes pulse { 50% { opacity: .4; } }
.hero h1 {
  font-size: clamp(38px, 7vw, 78px); font-weight: 900; line-height: 1.05;
  letter-spacing: -.03em; margin-bottom: 26px;
}
.hero h1 .grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { font-size: clamp(16px, 2.2vw, 21px); color: var(--text-muted); max-width: 640px; margin-bottom: 40px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 56px; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 48px; }
.hero-stat .num { font-size: clamp(30px, 4vw, 44px); font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1; }
.hero-stat .label { font-size: 14px; color: var(--text-dim); margin-top: 8px; }
.hero-visual {
  position: absolute; right: -2%; top: 50%; transform: translateY(-50%);
  width: 44%; max-width: 540px; opacity: .9; pointer-events: none;
}

/* ---------- Domain cards (业务领域) ---------- */
.domain-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.card {
  position: relative; padding: 34px; border-radius: var(--radius-lg);
  background: var(--surface); border: 1px solid var(--border);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  transition: transform .35s var(--ease), border-color .35s, background .35s;
  overflow: hidden;
}
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: var(--grad); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; opacity: 0; transition: opacity .35s;
}
.card:hover { transform: translateY(-6px); background: var(--surface-2); border-color: transparent; }
.card:hover::before { opacity: 1; }
.card-icon {
  width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center;
  background: var(--grad-soft); border: 1px solid var(--border); margin-bottom: 22px;
}
.card-icon svg { width: 28px; height: 28px; }
.card h3 { font-size: 21px; font-weight: 700; margin-bottom: 12px; }
.card p { color: var(--text-muted); font-size: 15px; }

/* ---------- Advantages (三大优势) ---------- */
.adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.adv-card { padding: 38px 30px; border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--border); position: relative; overflow: hidden; transition: transform .35s var(--ease); }
.adv-card:hover { transform: translateY(-6px); }
.adv-card .num-tag { font-size: 13px; font-weight: 700; color: var(--brand); letter-spacing: .1em; }
.adv-card h3 { font-size: 24px; font-weight: 800; margin: 14px 0 18px; }
.adv-card ul li { color: var(--text-muted); font-size: 15px; padding: 7px 0 7px 26px; position: relative; }
.adv-card ul li::before {
  content: ""; position: absolute; left: 0; top: 15px; width: 14px; height: 14px;
  background: var(--grad); border-radius: 50%; flex: none;
  box-shadow: 0 0 10px rgba(34,211,238,.4);
}

/* ---------- Products ---------- */
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card {
  border-radius: var(--radius-lg); overflow: hidden; background: var(--surface);
  border: 1px solid var(--border); transition: transform .35s var(--ease), border-color .35s;
  display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-6px); border-color: var(--border-strong); }
.product-media { aspect-ratio: 16/10; overflow: hidden; background: var(--bg-2); position: relative; }
.product-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.product-card:hover .product-media img { transform: scale(1.06); }
.product-tag {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  padding: 5px 12px; border-radius: 100px; font-size: 12px; font-weight: 600;
  background: rgba(6,9,20,.7); backdrop-filter: blur(6px); border: 1px solid var(--border-strong); color: var(--brand);
}
.product-body { padding: 26px; flex: 1; display: flex; flex-direction: column; }
.product-body h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; }
.product-body p { color: var(--text-muted); font-size: 14px; flex: 1; }

/* Filter tabs */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
.filter-btn {
  padding: 10px 22px; border-radius: 100px; font-size: 14px; font-weight: 600;
  color: var(--text-muted); border: 1px solid var(--border); transition: all .2s var(--ease);
}
.filter-btn:hover { color: var(--text); border-color: var(--border-strong); }
.filter-btn.active { background: var(--grad); color: #06121a; border-color: transparent; }

/* ---------- Compare table (vs vibecoding) ---------- */
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; align-items: stretch; }
.compare-col { padding: 34px; border-radius: var(--radius-lg); border: 1px solid var(--border); background: var(--surface); }
.compare-col.us {
  border-color: rgba(34,211,238,.4); background: linear-gradient(180deg, rgba(34,211,238,.06), var(--surface));
  box-shadow: 0 0 0 1px rgba(34,211,238,.15), 0 20px 50px -20px rgba(34,211,238,.25);
  position: relative;
}
.compare-col .col-tag { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700; padding: 6px 14px; border-radius: 100px; margin-bottom: 8px; }
.compare-col .diy .col-tag { color: var(--text-dim); background: var(--surface-2); }
.compare-col .us .col-tag { color: #06121a; background: var(--grad); }
.compare-col h3 { font-size: 22px; font-weight: 800; margin-bottom: 4px; }
.compare-col .col-sub { font-size: 14px; color: var(--text-dim); margin-bottom: 22px; }
.compare-col ul li { display: flex; gap: 12px; padding: 9px 0; font-size: 15px; color: var(--text-muted); border-top: 1px solid var(--border); }
.compare-col ul li:first-of-type { border-top: none; }
.compare-col ul li .ic { width: 20px; height: 20px; border-radius: 50%; flex: none; display: grid; place-items: center; margin-top: 2px; }
.compare-col .diy ul li .ic { background: rgba(239,68,68,.15); color: #f87171; }
.compare-col .us ul li .ic { background: rgba(34,211,238,.18); color: var(--brand); }
.compare-col ul li .ic svg { width: 12px; height: 12px; }

/* ---------- Pricing ---------- */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.price-card { padding: 36px 30px; border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--border); transition: transform .35s var(--ease), border-color .35s; }
.price-card:hover { transform: translateY(-6px); border-color: var(--border-strong); }
.price-card.featured { border-color: rgba(34,211,238,.4); background: linear-gradient(180deg, rgba(34,211,238,.06), var(--surface)); }
.price-card .price-name { font-size: 14px; font-weight: 700; color: var(--brand); letter-spacing: .05em; text-transform: uppercase; }
.price-card h3 { font-size: 24px; font-weight: 800; margin: 8px 0 4px; }
.price-card .price-sub { font-size: 14px; color: var(--text-dim); margin-bottom: 22px; min-height: 42px; }
.price-card .price-amt { font-size: 32px; font-weight: 800; }
.price-card .price-amt small { font-size: 14px; font-weight: 500; color: var(--text-dim); }
.price-card .price-note { font-size: 13px; color: var(--text-dim); margin: 4px 0 22px; }
.price-card ul li { display: flex; gap: 10px; padding: 8px 0; font-size: 14px; color: var(--text-muted); }
.price-card ul li svg { width: 16px; height: 16px; color: var(--brand); flex: none; margin-top: 3px; }
.price-trust { text-align: center; margin-top: 30px; color: var(--text-dim); font-size: 14px; }
.price-trust span { color: var(--brand); font-weight: 600; }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative; padding: 64px; border-radius: var(--radius-lg); overflow: hidden;
  background: var(--grad); text-align: center;
}
.cta-band::before {
  content: ""; position: absolute; inset: 0; background: var(--bg);
  opacity: .9; -webkit-mask-image: radial-gradient(circle at 50% 0%, transparent 0%, #000 70%);
  mask-image: radial-gradient(circle at 50% 0%, transparent 0%, #000 70%);
}
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { font-size: clamp(26px, 4vw, 40px); font-weight: 800; margin-bottom: 16px; }
.cta-band p { color: var(--text-muted); margin-bottom: 30px; font-size: 17px; }
.cta-band .btn-primary { box-shadow: 0 0 40px rgba(34,211,238,.4); }

/* ---------- Contact section ---------- */
.contact-wrap { display: grid; grid-template-columns: 1.2fr .8fr; gap: 48px; align-items: center; }
.contact-info h2 { font-size: clamp(26px, 4vw, 40px); font-weight: 800; margin-bottom: 18px; }
.contact-info p { color: var(--text-muted); font-size: 17px; margin-bottom: 28px; }
.contact-list { display: flex; flex-direction: column; gap: 18px; }
.contact-item { display: flex; align-items: center; gap: 16px; }
.contact-item .ic { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; background: var(--grad-soft); border: 1px solid var(--border); flex: none; }
.contact-item .ic svg { width: 22px; height: 22px; }
.contact-item .k { font-size: 13px; color: var(--text-dim); }
.contact-item .v { font-size: 17px; font-weight: 600; }
.qr-card { text-align: center; padding: 28px; border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--border); }
.qr-card img { width: 200px; height: 200px; object-fit: cover; border-radius: 14px; margin: 0 auto 16px; background: #fff; padding: 8px; }
.qr-card .t { font-weight: 700; }
.qr-card .s { font-size: 13px; color: var(--text-dim); margin-top: 4px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 64px 0 32px; background: var(--bg-2); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand p { color: var(--text-muted); font-size: 14px; margin-top: 16px; max-width: 320px; }
.footer-col h4 { font-size: 15px; font-weight: 700; margin-bottom: 18px; color: var(--text); }
.footer-col ul li { padding: 6px 0; }
.footer-col a, .footer-col p { color: var(--text-muted); font-size: 14px; }
.footer-col a:hover { color: var(--brand); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; padding-top: 28px; border-top: 1px solid var(--border); color: var(--text-dim); font-size: 13px; }
.footer-bottom a { color: var(--text-dim); }
.footer-bottom a:hover { color: var(--brand); }
.fab-links { display: flex; gap: 18px; }

/* ---------- Floating contact ---------- */
.float-contact {
  position: fixed; right: 24px; bottom: 24px; z-index: 90;
  display: flex; flex-direction: column; align-items: flex-end; gap: 12px;
}
.float-btn {
  width: 54px; height: 54px; border-radius: 50%;
  background: #fff; color: #06121a;
  display: grid; place-items: center;
  box-shadow: 0 6px 22px rgba(0,0,0,.4); transition: transform .2s var(--ease), background .2s, color .2s;
  flex: none; cursor: pointer; -webkit-tap-highlight-color: transparent;
}
.float-btn:hover { transform: scale(1.08); }
.float-btn svg { width: 24px; height: 24px; }
.float-btn.is-active { background: #07c160; color: #fff; }

/* QR 卡片：默认 display:none（微信X5兼容，最硬的隐藏），加 .open 后展开 */
.float-qr {
  position: absolute; right: 0; bottom: 66px;
  display: none; align-items: center; gap: 12px;
  width: max-content; padding: 14px; border-radius: 18px;
  background: var(--bg-2); border: 1px solid var(--border-strong);
  box-shadow: var(--shadow);
  opacity: 0; transform: translateY(8px) scale(.96); transform-origin: bottom right;
  transition: opacity .25s var(--ease), transform .25s var(--ease);
}
.float-qr.open { display: flex; opacity: 1; transform: translateY(0) scale(1); }
.float-qr img { width: 140px; height: 140px; object-fit: cover; border-radius: 12px; background: #fff; padding: 6px; flex: none; }
.float-qr .float-qr-text { font-size: 13px; line-height: 1.5; }
.float-qr .float-qr-text .t { font-weight: 700; color: var(--text); }
.float-qr .float-qr-text .s { color: var(--text-dim); font-size: 11px; margin-top: 2px; }
.float-wechat-wrap { position: relative; display: flex; flex-direction: column; align-items: flex-end; }

@media (max-width: 860px) {
  .float-contact { right: 14px; bottom: 14px; gap: 10px; }
  .float-btn { width: 48px; height: 48px; }
  .float-qr { bottom: 60px; padding: 10px; gap: 10px; }
  .float-qr img { width: 116px; height: 116px; }
  .float-qr .float-qr-text { display: none; }
}

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }
.reveal[data-delay="4"] { transition-delay: .32s; }

/* ---------- 404 ---------- */
.err-wrap { min-height: 100vh; display: grid; place-items: center; text-align: center; padding: 40px; }
.err-code { font-size: clamp(80px, 18vw, 180px); font-weight: 900; line-height: 1; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- About page ---------- */
.about-hero h1 { font-size: clamp(34px, 5vw, 56px); font-weight: 900; letter-spacing: -.02em; margin-bottom: 22px; }
.about-hero p { font-size: 18px; color: var(--text-muted); max-width: 680px; }
.value-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.timeline { display: flex; flex-direction: column; gap: 8px; }
.tl-item { display: flex; gap: 24px; padding: 22px 0; border-bottom: 1px solid var(--border); }
.tl-item:last-child { border-bottom: none; }
.tl-year { font-size: 22px; font-weight: 800; color: var(--brand); min-width: 80px; }
.tl-text h4 { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.tl-text p { color: var(--text-muted); font-size: 15px; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero-visual { display: none; }
  .domain-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .section { padding: 72px 0; }
  .nav-links {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: rgba(6,9,20,.96); backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 12px; transform: translateY(-130%); transition: transform .35s var(--ease); z-index: 99;
  }
  .nav-links.open { transform: none; }
  .nav-links a { padding: 14px 16px; border-radius: 12px; }
  .nav-links a:hover, .nav-links a.active { background: var(--surface); }
  .nav-cta { margin: 8px 0 4px; text-align: center; justify-content: center; }
  .nav-toggle { display: flex; }
  .domain-grid, .adv-grid, .products-grid, .value-grid, .compare-grid, .price-grid { grid-template-columns: 1fr; }
  .contact-wrap { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta-band { padding: 44px 24px; }
  .hero-stats { gap: 32px; }
  .fab-links { width: 100%; justify-content: flex-start; }
}
@media (max-width: 520px) {
  .card, .adv-card { padding: 26px; }
  .hero-actions .btn { flex: 1; justify-content: center; }
  .container { width: min(100% - 40px, var(--maxw)); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .bg-mesh::before, .bg-mesh::after { animation: none; }
}