:root {
  color-scheme: light;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-soft: #eff6ff;
  --accent: #f97316;
  --accent-soft: #fff7ed;
  --success: #15803d;
  --success-soft: #ecfdf3;
  --warning: #b45309;
  --warning-soft: #fffbeb;
  --ink: #0f172a;
  --text: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --surface: #ffffff;
  --surface-soft: #f7f9fc;
  --navy: #0b1b36;
  --shadow-sm: 0 8px 24px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 28px 70px rgba(37, 99, 235, 0.13);
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --container: 1180px;
  --transition: 180ms ease;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--surface);
  color: var(--text);
  font-family: Inter, "SF Pro Display", "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; }
button, a { -webkit-tap-highlight-color: transparent; }
button, input, select, textarea { font: inherit; }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--ink);
  color: #fff;
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

:focus-visible { outline: 3px solid rgba(37, 99, 235, 0.32); outline-offset: 3px; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section { padding: 104px 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 72px;
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; min-height: 44px; color: var(--ink); font-size: 18px; font-weight: 750; letter-spacing: -0.02em; }
.brand img { flex: 0 0 auto; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav > a:not(.button) { position: relative; min-height: 44px; display: inline-flex; align-items: center; color: #475569; font-size: 14px; font-weight: 600; transition: color var(--transition); }
.nav > a:not(.button)::after { content: ""; position: absolute; right: 0; bottom: 6px; left: 0; height: 2px; border-radius: 2px; background: var(--primary); transform: scaleX(0); transition: transform var(--transition); }
.nav > a:not(.button):hover { color: var(--primary); }
.nav > a:not(.button):hover::after { transform: scaleX(1); }
.nav-account { margin-left: 4px; }
.menu-button { display: none; width: 46px; height: 46px; place-items: center; border: 1px solid var(--line); border-radius: 13px; background: #fff; color: var(--ink); cursor: pointer; }
.menu-button svg { width: 22px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }

.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.3;
  cursor: pointer;
  transition: background-color var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.button:hover { transform: translateY(-1px); }
.button:active { transform: translateY(0); }
.button svg, .text-link svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.button-primary { background: var(--primary); color: #fff; box-shadow: 0 9px 24px rgba(37, 99, 235, 0.2); }
.button-primary:hover { background: var(--primary-dark); box-shadow: 0 12px 28px rgba(37, 99, 235, 0.26); }
.button-secondary { border-color: var(--line); background: #fff; color: var(--ink); box-shadow: var(--shadow-sm); }
.button-secondary:hover, .button-quiet:hover { border-color: #bfdbfe; color: var(--primary); background: var(--primary-soft); }
.button-quiet { border-color: transparent; background: transparent; color: #334155; box-shadow: none; }
.button-light { background: #fff; color: var(--primary-dark); box-shadow: 0 14px 36px rgba(1, 9, 30, 0.16); }
.button-light:hover { background: #f8fafc; }
.button-large { min-height: 52px; padding: 14px 22px; border-radius: 14px; font-size: 15px; }

.hero { position: relative; overflow: hidden; padding: 92px 0 72px; background: linear-gradient(180deg, #f8fbff 0%, #fff 88%); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: 0.3; background-image: linear-gradient(rgba(148,163,184,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(148,163,184,.12) 1px, transparent 1px); background-size: 44px 44px; mask-image: linear-gradient(to bottom, #000, transparent 78%); pointer-events: none; }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(10px); pointer-events: none; }
.hero-glow-one { top: -170px; right: -120px; width: 460px; height: 460px; background: radial-gradient(circle, rgba(37,99,235,.17), rgba(37,99,235,0) 68%); }
.hero-glow-two { bottom: -210px; left: -150px; width: 420px; height: 420px; background: radial-gradient(circle, rgba(249,115,22,.12), rgba(249,115,22,0) 68%); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, .93fr) minmax(500px, 1.07fr); align-items: center; gap: 62px; }
.eyebrow { width: fit-content; display: flex; align-items: center; gap: 9px; margin: 0 0 22px; padding: 7px 12px; border: 1px solid #dbeafe; border-radius: 999px; background: rgba(239,246,255,.85); color: var(--primary-dark); font-size: 13px; font-weight: 700; }
.eyebrow-dot { width: 8px; height: 8px; border: 2px solid rgba(37,99,235,.22); border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 4px rgba(37,99,235,.1); }
.hero h1 { max-width: 720px; margin: 0; color: var(--ink); font-size: clamp(40px, 5vw, 64px); line-height: 1.12; letter-spacing: -0.055em; }
.hero-description { max-width: 650px; margin: 26px 0 0; color: #475569; font-size: 18px; line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.download-meta { margin: 14px 0 0; color: #64748b; font-size: 12px; }
.download-meta a { color: var(--primary); font-weight: 700; text-decoration: underline; text-decoration-color: #bfdbfe; text-underline-offset: 3px; }
.trust-list { display: flex; flex-wrap: wrap; gap: 20px; margin: 30px 0 0; padding: 0; color: #475569; font-size: 13px; font-weight: 600; list-style: none; }
.trust-list li { display: flex; align-items: center; gap: 7px; }
.trust-list svg { width: 17px; height: 17px; padding: 2px; border-radius: 50%; background: var(--success-soft); color: var(--success); fill: none; stroke: currentColor; stroke-width: 2.5; }

.product-frame { position: relative; overflow: hidden; min-height: 530px; border: 1px solid rgba(191,219,254,.8); border-radius: 26px; background: #fff; box-shadow: var(--shadow-lg); transform: perspective(1400px) rotateY(-2deg) rotateX(1deg); }
.product-frame::before { content: ""; position: absolute; inset: 0; border-radius: inherit; box-shadow: inset 0 1px 0 rgba(255,255,255,.85); pointer-events: none; }
.frame-topbar { height: 58px; display: flex; align-items: center; justify-content: space-between; padding: 0 18px; border-bottom: 1px solid var(--line); background: #fff; }
.frame-brand { display: flex; align-items: center; gap: 8px; color: var(--ink); font-size: 13px; font-weight: 750; }
.frame-status { display: flex; align-items: center; gap: 7px; color: var(--success); font-size: 11px; font-weight: 700; }
.frame-status i { width: 7px; height: 7px; border-radius: 50%; background: #22c55e; box-shadow: 0 0 0 4px #dcfce7; }
.frame-body { min-height: 472px; display: grid; grid-template-columns: 86px 1fr; background: var(--surface-soft); }
.frame-sidebar { display: flex; flex-direction: column; align-items: center; gap: 16px; padding: 28px 14px; border-right: 1px solid var(--line); background: #fff; }
.sidebar-pill { width: 48px; height: 10px; border-radius: 99px; background: #e2e8f0; }
.sidebar-pill.short { width: 34px; }
.sidebar-pill.active { height: 34px; border-radius: 10px; background: linear-gradient(135deg, var(--primary), #60a5fa); }
.frame-content { min-width: 0; padding: 26px; }
.frame-heading { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.frame-heading div { display: flex; flex-direction: column; }
.frame-heading small { color: var(--muted); font-size: 10px; }
.frame-heading strong { color: var(--ink); font-size: 18px; }
.mock-button { padding: 8px 12px; border-radius: 9px; background: var(--primary); color: #fff; font-size: 10px; font-weight: 700; }
.metric-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 22px; }
.metric { min-width: 0; padding: 16px; border: 1px solid var(--line); border-radius: 14px; background: #fff; box-shadow: 0 5px 16px rgba(15,23,42,.025); }
.metric span, .metric small { display: block; color: var(--muted); font-size: 9px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.metric strong { display: block; margin: 5px 0 4px; color: var(--ink); font-size: 24px; font-variant-numeric: tabular-nums; }
.mock-panel { margin-top: 18px; overflow: hidden; border: 1px solid var(--line); border-radius: 15px; background: #fff; }
.mock-panel-header { display: flex; justify-content: space-between; padding: 14px 16px; border-bottom: 1px solid var(--line); color: var(--ink); font-size: 11px; }
.mock-panel-header span { color: var(--muted); font-size: 9px; }
.mock-row { display: grid; grid-template-columns: 34px minmax(0,1fr) auto; align-items: center; gap: 10px; padding: 14px 16px; border-bottom: 1px solid #f1f5f9; }
.mock-row:last-child { border-bottom: 0; }
.avatar { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 10px; background: #eff6ff; color: var(--primary); font-size: 11px; font-style: normal; font-weight: 800; }
.avatar.blue { background: #eef2ff; color: #4f46e5; }
.avatar.slate { background: #f1f5f9; color: #475569; }
.mock-row > span:nth-child(2) { display: flex; flex-direction: column; min-width: 0; }
.mock-row b { color: var(--ink); font-size: 11px; }
.mock-row small { color: var(--muted); font-size: 9px; }
.state { padding: 5px 8px; border-radius: 99px; font-size: 8px; font-weight: 800; }
.state-running { background: #eff6ff; color: #1d4ed8; }
.state-done { background: #ecfdf3; color: #15803d; }
.state-wait { background: #f1f5f9; color: #475569; }

.logo-strip { padding: 26px 0; border-block: 1px solid var(--line); background: #fff; }
.value-bar { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 22px; color: #64748b; font-size: 13px; font-weight: 700; letter-spacing: .04em; }
.value-bar i { width: 4px; height: 4px; border-radius: 50%; background: #cbd5e1; }

.section-heading { max-width: 720px; margin: 0 auto 50px; text-align: center; }
.section-kicker { margin: 0 0 12px; color: var(--primary); font-size: 13px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.section-heading h2, .security-copy h2, .faq-intro h2, .cta-card h2 { margin: 0; color: var(--ink); font-size: clamp(30px, 4vw, 44px); line-height: 1.2; letter-spacing: -0.035em; }
.section-heading > p:last-child, .security-copy > p, .faq-intro > p { margin: 18px 0 0; color: var(--muted); font-size: 17px; }
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.feature-card { position: relative; overflow: hidden; min-height: 280px; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius-md); background: #fff; box-shadow: var(--shadow-sm); transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition); }
.feature-card:hover { border-color: #bfdbfe; box-shadow: 0 20px 48px rgba(15,23,42,.09); transform: translateY(-3px); }
.feature-card-wide { display: grid; grid-template-columns: auto minmax(0,1fr) minmax(220px,.72fr); align-items: start; gap: 18px; grid-column: 1 / -1; min-height: 245px; }
.icon-box { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 14px; }
.icon-box svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.icon-blue { background: #eff6ff; color: #2563eb; }
.icon-orange { background: #fff7ed; color: #ea580c; }
.icon-indigo { background: #eef2ff; color: #4f46e5; }
.icon-green { background: #ecfdf3; color: #15803d; }
.icon-slate { background: #f1f5f9; color: #334155; }
.feature-card h3 { margin: 18px 0 8px; color: var(--ink); font-size: 21px; letter-spacing: -0.02em; }
.feature-card-wide h3 { margin-top: 5px; }
.feature-card p { margin: 0; color: var(--muted); }
.mini-accounts { align-self: center; display: grid; gap: 9px; padding: 13px; border: 1px solid #dbeafe; border-radius: 14px; background: #f8fbff; }
.mini-accounts span { display: grid; grid-template-columns: 28px 1fr auto; align-items: center; gap: 8px; padding: 8px; border-radius: 10px; background: #fff; box-shadow: 0 3px 10px rgba(15,23,42,.04); }
.mini-avatar { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 8px; background: #eff6ff; color: #2563eb; font-size: 9px; font-style: normal; }
.mini-avatar.orange { background: #fff7ed; color: #ea580c; }
.mini-avatar.green { background: #ecfdf3; color: #15803d; }
.mini-accounts b { color: #334155; font-size: 9px; }
.mini-accounts em { color: #94a3b8; font-size: 8px; font-style: normal; }
.network-card { align-self: center; padding: 18px; border: 1px solid #dbeafe; border-radius: 16px; background: #f8fbff; }
.network-card > span { display: flex; align-items: center; gap: 7px; color: #334155; font-size: 10px; font-weight: 700; }
.network-card > span i { width: 8px; height: 8px; border-radius: 50%; background: #22c55e; box-shadow: 0 0 0 4px #dcfce7; }
.network-card b { display: block; margin-top: 15px; color: var(--ink); font-size: 20px; }
.network-card em { color: var(--muted); font-size: 10px; font-style: normal; }
.network-line { position: relative; height: 36px; margin-top: 10px; overflow: hidden; border-bottom: 1px solid #dbeafe; }
.network-line::before { content: ""; position: absolute; inset: 10px -5px 0; background: linear-gradient(180deg, rgba(37,99,235,.2), rgba(37,99,235,0)); clip-path: polygon(0 70%, 16% 45%, 31% 65%, 46% 25%, 61% 55%, 74% 20%, 88% 40%, 100% 10%, 100% 100%, 0 100%); }

.section-soft { background: var(--surface-soft); }
.steps { position: relative; max-width: 920px; margin: 0 auto; padding: 0; list-style: none; }
.steps::before { content: ""; position: absolute; top: 41px; bottom: 41px; left: 40px; width: 1px; background: linear-gradient(#bfdbfe, #cbd5e1); }
.step { position: relative; display: grid; grid-template-columns: 82px 1fr; gap: 28px; align-items: center; margin-bottom: 20px; padding: 26px 30px 26px 0; border: 1px solid var(--line); border-radius: var(--radius-md); background: #fff; box-shadow: var(--shadow-sm); }
.step:last-child { margin-bottom: 0; }
.step > span { z-index: 1; width: 82px; text-align: center; color: var(--primary); font-size: 17px; font-weight: 800; font-variant-numeric: tabular-nums; }
.step h3 { margin: 0 0 5px; color: var(--ink); font-size: 20px; }
.step p { margin: 0; color: var(--muted); }

.security-section { overflow: hidden; background: var(--navy); color: #fff; }
.security-grid { display: grid; grid-template-columns: .92fr 1.08fr; align-items: center; gap: 80px; }
.security-copy .section-kicker { color: #93c5fd; }
.security-copy h2 { color: #fff; }
.security-copy > p { color: #b8c5d9; }
.text-link { min-height: 44px; display: inline-flex; align-items: center; gap: 7px; margin-top: 22px; color: #93c5fd; font-weight: 700; }
.security-list { display: grid; gap: 14px; }
.security-list > div { display: flex; gap: 15px; padding: 20px; border: 1px solid rgba(148,163,184,.18); border-radius: 16px; background: rgba(255,255,255,.055); }
.security-check { flex: 0 0 auto; width: 36px; height: 36px; display: grid; place-items: center; border-radius: 11px; background: rgba(96,165,250,.13); color: #93c5fd; }
.security-check svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2.3; }
.security-list p { display: flex; flex-direction: column; margin: 0; }
.security-list strong { color: #fff; font-size: 16px; }
.security-list small { margin-top: 3px; color: #aebdd2; font-size: 13px; }

.faq-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 80px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 20px; color: var(--ink); font-weight: 700; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary svg { flex: 0 0 auto; width: 20px; height: 20px; fill: none; stroke: var(--muted); stroke-width: 2; transition: transform var(--transition); }
.faq-list details[open] summary svg { transform: rotate(180deg); }
.faq-list details p { margin: -2px 44px 24px 0; color: var(--muted); }

.cta-section { padding-top: 16px; }
.cta-card { position: relative; overflow: hidden; display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 54px; border-radius: var(--radius-lg); background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 56%, #3b82f6 100%); color: #fff; box-shadow: var(--shadow-lg); }
.cta-card::after { content: ""; position: absolute; top: -120px; right: -80px; width: 330px; height: 330px; border: 1px solid rgba(255,255,255,.16); border-radius: 50%; box-shadow: 0 0 0 42px rgba(255,255,255,.04), 0 0 0 84px rgba(255,255,255,.03); pointer-events: none; }
.cta-card > * { position: relative; z-index: 1; }
.cta-card .section-kicker { color: #dbeafe; }
.cta-card h2 { max-width: 720px; color: #fff; }
.cta-card p:last-child { margin: 14px 0 0; color: #dbeafe; }
.cta-card .button { flex: 0 0 auto; }

.site-footer { margin-top: 100px; padding: 64px 0 28px; border-top: 1px solid var(--line); background: #f8fafc; }
.footer-grid { display: grid; grid-template-columns: 1.7fr .65fr .65fr; gap: 60px; }
.footer-brand p { max-width: 330px; margin: 14px 0 0; color: var(--muted); }
.footer-links { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.footer-links strong { margin-bottom: 3px; color: var(--ink); }
.footer-links a { min-height: 34px; display: inline-flex; align-items: center; color: var(--muted); transition: color var(--transition); }
.footer-links a:hover { color: var(--primary); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 50px; padding-top: 22px; border-top: 1px solid var(--line); color: #94a3b8; font-size: 13px; }

.compact-header { position: relative; }
.legal-main { padding: 64px 0 0; background: var(--surface-soft); }
.legal-card { max-width: 860px; padding: 54px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow-sm); }
.legal-card h1 { margin: 0; color: var(--ink); font-size: clamp(38px, 5vw, 54px); letter-spacing: -0.045em; }
.legal-lead { margin: 16px 0 40px; padding-bottom: 28px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 17px; }
.legal-card h2 { margin: 34px 0 10px; color: var(--ink); font-size: 20px; }
.legal-card p { color: #475569; }
.legal-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 44px; padding-top: 28px; border-top: 1px solid var(--line); }
.legal-footer { margin-top: 0; }

.reveal { opacity: 0; transform: translateY(14px); transition: opacity 420ms ease, transform 420ms ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1040px) {
  .nav { gap: 18px; }
  .nav-account { display: none; }
  .hero { padding-top: 72px; }
  .hero-grid { grid-template-columns: 1fr; gap: 54px; }
  .hero-copy { max-width: 780px; }
  .product-frame { max-width: 760px; width: 100%; margin-inline: auto; transform: none; }
  .security-grid, .faq-grid { gap: 48px; }
}

@media (max-width: 820px) {
  .container { width: min(calc(100% - 32px), var(--container)); }
  .section { padding: 80px 0; }
  .menu-button { display: grid; }
  .nav { position: fixed; top: 72px; right: 0; bottom: 0; left: 0; display: none; align-items: stretch; flex-direction: column; gap: 4px; padding: 22px 18px 32px; background: rgba(255,255,255,.98); overflow-y: auto; }
  .nav.is-open { display: flex; }
  .nav > a:not(.button) { min-height: 52px; padding: 0 12px; border-radius: 12px; font-size: 16px; }
  .nav > a:not(.button):hover { background: var(--primary-soft); }
  .nav > a:not(.button)::after { display: none; }
  .nav-account { display: inline-flex; margin: 10px 0 0; }
  .nav .button { width: 100%; min-height: 50px; }
  .hero { padding-top: 62px; }
  .hero h1 { font-size: clamp(38px, 8.3vw, 54px); }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card-wide { grid-column: auto; grid-template-columns: auto 1fr; }
  .feature-card-wide > :last-child { grid-column: 1 / -1; }
  .security-grid, .faq-grid { grid-template-columns: 1fr; }
  .cta-card { align-items: flex-start; flex-direction: column; padding: 42px; }
  .footer-grid { grid-template-columns: 1.4fr .8fr .8fr; gap: 34px; }
}

@media (max-width: 600px) {
  .container { width: min(calc(100% - 24px), var(--container)); }
  .section { padding: 68px 0; }
  .site-header { height: 66px; }
  .brand { font-size: 16px; }
  .brand img { width: 36px; height: 36px; }
  .nav { top: 66px; }
  .hero { padding: 48px 0 54px; }
  .hero h1 { font-size: 38px; }
  .hero-description { font-size: 16px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .trust-list { display: grid; gap: 12px; }
  .product-frame { min-height: 420px; border-radius: 20px; }
  .frame-body { min-height: 362px; grid-template-columns: 56px 1fr; }
  .frame-sidebar { padding: 22px 8px; }
  .sidebar-pill { width: 34px; }
  .sidebar-pill.short { width: 26px; }
  .frame-content { padding: 16px 12px; }
  .metric-grid { gap: 7px; }
  .metric { padding: 10px 8px; }
  .metric strong { font-size: 18px; }
  .metric small { display: none; }
  .mock-row { padding: 11px; }
  .state { display: none; }
  .value-bar { gap: 12px; }
  .value-bar span:nth-of-type(4), .value-bar span:nth-of-type(5), .value-bar i:nth-of-type(n+3) { display: none; }
  .section-heading { margin-bottom: 36px; }
  .section-heading h2, .security-copy h2, .faq-intro h2, .cta-card h2 { font-size: 31px; }
  .section-heading > p:last-child, .security-copy > p, .faq-intro > p { font-size: 16px; }
  .feature-card, .legal-card { padding: 24px; }
  .feature-card-wide { display: block; }
  .feature-card-wide .mini-accounts, .feature-card-wide .network-card { margin-top: 24px; }
  .steps::before { left: 28px; }
  .step { grid-template-columns: 58px 1fr; gap: 10px; padding: 22px 18px 22px 0; }
  .step > span { width: 58px; font-size: 14px; }
  .security-grid, .faq-grid { gap: 34px; }
  .cta-card { padding: 32px 24px; border-radius: 22px; }
  .cta-card .button { width: 100%; }
  .site-footer { margin-top: 68px; padding-top: 48px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }
  .legal-main { padding-top: 28px; }
  .legal-card { border-radius: 20px; }
  .legal-actions { flex-direction: column; }
  .legal-actions .button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (prefers-contrast: more) {
  :root { --line: #94a3b8; --muted: #475569; }
  .button-secondary, .feature-card, .step { border-width: 2px; }
}