/* LightDrop — marketing & legal site.
 * Display: Clash Display. Body: Satoshi (Fontshare). CJK falls back to system.
 * One committed dark theme; no light-mode fork. The palette is a beam of
 * light on a dark room, which is what the product is. */

:root {
  --bg:        #05070e;
  --bg-2:      #0a0d18;
  --surface:   rgba(255, 255, 255, 0.035);
  --surface-2: rgba(255, 255, 255, 0.055);
  --line:      rgba(255, 255, 255, 0.09);
  --line-2:    rgba(255, 255, 255, 0.14);

  --ink:     #f4f6fb;
  --ink-2:   #b4bccd;
  --ink-3:   #78839c;

  --cyan:  #38e1ff;
  --blue:  #569cff;
  --grad:  linear-gradient(115deg, #38e1ff 0%, #569cff 52%, #8f7bff 100%);
  --grad-soft: linear-gradient(115deg, rgba(56,225,255,.16), rgba(143,123,255,.16));

  --radius:    20px;
  --radius-lg: 28px;
  --maxw: 1140px;

  --font-display: "Clash Display", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: "Satoshi", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* ---------- Atmospheric background ---------- */
.bg-field { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.bg-field .glow { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .5; }
.glow-a {
  top: -16vh; left: 44%;
  width: 62vw; height: 62vw; max-width: 760px; max-height: 760px;
  transform: translateX(-50%);
  background: radial-gradient(circle at 50% 50%, rgba(56,225,255,.38), rgba(56,225,255,0) 70%);
}
.glow-b {
  top: 26vh; right: -18vw;
  width: 54vw; height: 54vw; max-width: 620px; max-height: 620px;
  background: radial-gradient(circle at 50% 50%, rgba(143,123,255,.32), rgba(143,123,255,0) 70%);
}
.grain {
  position: absolute; inset: -50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: .035;
  mix-blend-mode: screen;
}

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

a { color: var(--blue); text-decoration: none; transition: color .15s ease; }
a:hover { color: #85baff; }
img { max-width: 100%; display: block; }

::selection { background: rgba(86,156,255,.4); color: #fff; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(160%) blur(18px);
  -webkit-backdrop-filter: saturate(160%) blur(18px);
  background: rgba(5, 7, 14, 0.66);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); font-family: var(--font-display); font-weight: 600; font-size: 19px; letter-spacing: -.01em; white-space: nowrap; }
.brand:hover { color: var(--ink); }
.brand .logo { width: 32px; height: 32px; border-radius: 9px; box-shadow: 0 4px 14px rgba(56,225,255,.32); }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { color: var(--ink-2); font-weight: 500; font-size: 15px; }
.nav-links a:hover { color: var(--ink); }

.lang-picker { position: relative; display: inline-flex; align-items: center; gap: 6px; color: var(--ink-3); }
.lang-picker svg { width: 16px; height: 16px; }
.lang-picker select {
  appearance: none; -webkit-appearance: none;
  background: var(--surface); color: var(--ink-2);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 12px; font: inherit; font-size: 14px; cursor: pointer;
  transition: border-color .15s ease, background .15s ease;
}
.lang-picker select:hover { border-color: var(--line-2); background: var(--surface-2); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 22px; border-radius: 999px;
  font-weight: 600; font-size: 15px; letter-spacing: .01em;
  cursor: pointer; transition: transform .15s ease, border-color .15s ease, background .15s ease;
}
.btn-secondary { background: var(--surface); color: var(--ink); border: 1px solid var(--line-2); }
.btn-secondary:hover { color: var(--ink); border-color: rgba(255,255,255,.28); background: var(--surface-2); transform: translateY(-1px); }

/* App Store badge (coming soon) */
.appstore-badge {
  display: inline-flex; align-items: center; gap: 11px;
  padding: 11px 20px 11px 18px; border-radius: 14px;
  background: #04050a; border: 1px solid var(--line-2);
  color: #fff; box-shadow: 0 10px 30px rgba(0,0,0,.5);
}
.appstore-badge svg { width: 24px; height: 24px; }
.appstore-badge .txt { display: flex; flex-direction: column; line-height: 1.1; text-align: left; }
.appstore-badge small { font-size: 10.5px; letter-spacing: .04em; text-transform: uppercase; color: var(--ink-3); }
.appstore-badge strong { font-family: var(--font-display); font-weight: 600; font-size: 18px; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: clamp(48px, 8vw, 100px) 0 clamp(56px, 8vw, 104px); }
.hero-grid { display: grid; grid-template-columns: 1.06fr .94fr; gap: clamp(28px, 5vw, 64px); align-items: center; }

.hero-eyebrow {
  display: inline-flex; align-items: center;
  font-size: 13px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  color: #a9e9ff;
  padding: 6px 14px; border-radius: 999px;
  background: var(--grad-soft); border: 1px solid rgba(56,225,255,.28);
}
.hero h1 {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(2.4rem, 5.8vw, 4rem); line-height: 1.03; letter-spacing: -.025em;
  color: var(--ink); margin: 22px 0 0;
}
.hero .tagline { font-size: clamp(1.02rem, 1.5vw, 1.18rem); color: var(--ink-2); max-width: 36ch; margin: 22px 0 0; }
.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 30px; }
.coming-soon-note { font-size: 13.5px; color: var(--ink-3); margin: 18px 0 0; }

/* staggered entrance */
.hero-copy > * { opacity: 0; transform: translateY(16px); animation: rise .8s cubic-bezier(.2,.7,.2,1) forwards; }
.hero-copy > *:nth-child(1) { animation-delay: .05s; }
.hero-copy > *:nth-child(2) { animation-delay: .13s; }
.hero-copy > *:nth-child(3) { animation-delay: .21s; }
.hero-copy > *:nth-child(4) { animation-delay: .29s; }
.hero-copy > *:nth-child(5) { animation-delay: .37s; }
@keyframes rise { to { opacity: 1; transform: none; } }

/* ---------- Device mockups ---------- */
.device {
  position: relative;
  border-radius: 44px;
  padding: 9px;
  background: linear-gradient(160deg, #262a35, #0e1017 60%);
  box-shadow: 0 2px 3px rgba(255,255,255,.10) inset, 0 40px 80px rgba(0,0,0,.6), 0 0 0 1px rgba(0,0,0,.4);
}
.device-screen { position: relative; overflow: hidden; border-radius: 36px; background: #000; }
.device-screen img { width: 100%; height: auto; display: block; }

/* Two phones facing each other: the left one sends, the right one receives.
 * The beam between them is the whole product, so it is drawn rather than
 * implied. */
.hero-stage {
  position: relative; height: 100%;
  display: flex; align-items: center; justify-content: center;
  min-height: 440px;
}
.hero-stage::before {
  content: ""; position: absolute; width: 78%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle, rgba(56,225,255,.42), rgba(56,225,255,0) 68%);
  filter: blur(30px); z-index: 0;
}
.hero-stage .device { width: 62%; max-width: 250px; z-index: 1; animation: float 7s ease-in-out infinite; }
.device-back {
  position: absolute; left: 2%; top: 10%;
  transform: rotate(-7deg) scale(.84); opacity: .95;
  filter: saturate(.95) brightness(.9);
  animation-delay: -3.5s !important;
}
.device-front { transform: rotate(4deg); }
.beam {
  position: absolute; z-index: 0; left: 26%; top: 46%;
  width: 44%; height: 90px; transform: translateY(-50%) rotate(-6deg);
  background: linear-gradient(90deg, rgba(56,225,255,0), rgba(56,225,255,.5) 40%, rgba(143,123,255,.4) 75%, rgba(143,123,255,0));
  filter: blur(16px);
  animation: sweep 3.4s ease-in-out infinite;
}
@keyframes sweep { 0%,100% { opacity: .35; } 50% { opacity: .85; } }
@keyframes float { 0%,100% { translate: 0 0; } 50% { translate: 0 -14px; } }

/* Mac window mockup — chrome drawn in CSS so the shot inside stays 1:1. */
.window {
  border-radius: 14px; overflow: hidden;
  background: #0d1018; border: 1px solid var(--line-2);
  box-shadow: 0 40px 90px rgba(0,0,0,.62);
}
.window-bar {
  display: flex; align-items: center; gap: 7px;
  padding: 10px 14px; background: rgba(255,255,255,.05);
  border-bottom: 1px solid var(--line);
}
.window-bar i { width: 11px; height: 11px; border-radius: 50%; display: block; }
.window-bar i:nth-child(1) { background: #ff5f57; }
.window-bar i:nth-child(2) { background: #febc2e; }
.window-bar i:nth-child(3) { background: #28c840; }
.window img { width: 100%; height: auto; display: block; }

/* ---------- Section scaffolding ---------- */
section { position: relative; padding: clamp(64px, 9vw, 116px) 0; }
section.alt::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(255,255,255,0), rgba(255,255,255,.02) 50%, rgba(255,255,255,0));
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.section-head { max-width: 640px; margin: 0 auto clamp(40px, 5vw, 60px); text-align: center; }
.eyebrow {
  display: inline-block; font-size: 12.5px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase;
  color: transparent; background: var(--grad); -webkit-background-clip: text; background-clip: text;
  margin-bottom: 14px;
}
.section-head h2 {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.85rem, 3.6vw, 2.7rem); line-height: 1.08; letter-spacing: -.02em;
  color: var(--ink); margin: 0;
}
.section-head p { font-size: 1.05rem; color: var(--ink-2); margin: 16px auto 0; max-width: 54ch; }

/* ---------- How it works ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: step; }
.step {
  position: relative; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 30px 26px 28px;
}
.step .num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 12px; margin-bottom: 16px;
  background: var(--grad); color: #04060c;
  font-family: var(--font-display); font-weight: 700; font-size: 1.05rem;
  box-shadow: 0 10px 26px rgba(56,225,255,.28);
}
.step h3 { font-family: var(--font-display); font-weight: 500; font-size: 1.16rem; color: var(--ink); margin: 0 0 8px; letter-spacing: -.01em; }
.step p { font-size: .96rem; margin: 0; }

/* ---------- Featured feature (bento hero) ---------- */
.feature-hero {
  display: grid; grid-template-columns: 1fr .82fr; gap: clamp(24px, 4vw, 52px);
  align-items: center; overflow: hidden;
  background: linear-gradient(150deg, rgba(56,225,255,.10), rgba(143,123,255,.07) 70%), var(--surface);
  border: 1px solid var(--line-2); border-radius: var(--radius-lg);
  padding: clamp(30px, 4vw, 52px);
  margin-bottom: 22px;
}
.feature-hero-body h3 {
  font-family: var(--font-display); font-weight: 600; letter-spacing: -.015em;
  font-size: clamp(1.5rem, 2.6vw, 2rem); color: var(--ink); margin: 18px 0 12px;
}
.feature-hero-body p { font-size: 1.06rem; color: var(--ink-2); margin: 0; max-width: 44ch; }
.fh-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 54px; height: 54px; border-radius: 15px;
  background: var(--grad); color: #04060c; box-shadow: 0 12px 30px rgba(56,225,255,.32);
}
.fh-icon svg { width: 28px; height: 28px; }
.feature-hero-media { display: flex; justify-content: center; }
.feature-hero-media .device-sm { width: 200px; }

/* Speed figures under the turbo pitch. */
.stat-row { display: flex; flex-wrap: wrap; gap: 26px; margin-top: 24px; }
.stat .n { font-family: var(--font-display); font-weight: 700; font-size: 1.75rem; letter-spacing: -.02em; color: var(--ink); line-height: 1.1; }
.stat .l { font-size: .82rem; color: var(--ink-3); letter-spacing: .04em; text-transform: uppercase; }

/* ---------- Feature grid ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px 26px;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.feature-card:hover { transform: translateY(-4px); border-color: var(--line-2); background: var(--surface-2); }
.feature-card .icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; border-radius: 13px; margin-bottom: 18px;
  background: var(--grad-soft); border: 1px solid rgba(56,225,255,.26); color: #a9e9ff;
}
.feature-card .icon svg { width: 23px; height: 23px; }
.feature-card h3 {
  font-family: var(--font-display); font-weight: 500; letter-spacing: -.01em;
  font-size: 1.16rem; color: var(--ink); margin: 0 0 8px;
}
.feature-card p { font-size: .96rem; color: var(--ink-2); margin: 0; }

/* ---------- Platforms ---------- */
/* The Mac sends, the phone receives — the pair is the product, so the section
 * leads with both rather than with four icons. */
.showcase { position: relative; max-width: 780px; margin: 0 auto clamp(56px, 6vw, 76px); }
.showcase .device {
  position: absolute; right: -14px; bottom: -44px; z-index: 2;
  width: 150px; padding: 6px; border-radius: 26px;
}
.showcase .device .device-screen { border-radius: 21px; }

.platform-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.platform {
  text-align: center; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px 20px;
}
.platform svg { width: 30px; height: 30px; color: var(--ink-2); margin: 0 auto 14px; }
.platform h3 { font-family: var(--font-display); font-weight: 500; font-size: 1.06rem; color: var(--ink); margin: 0 0 6px; }
.platform p { font-size: .9rem; margin: 0; color: var(--ink-3); }
.platform .tag {
  display: inline-block; margin-top: 12px; font-size: 11px; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  padding: 4px 12px; border-radius: 999px;
  background: var(--grad-soft); border: 1px solid rgba(56,225,255,.26); color: #a9e9ff;
}
.platform.soon { border-style: dashed; }
.platform.soon svg, .platform.soon h3 { opacity: .72; }
.platform.soon .tag { background: var(--surface-2); border-color: var(--line-2); color: var(--ink-3); }

/* ---------- Privacy pledge ---------- */
.pledge {
  list-style: none; margin: 0 auto; padding: 0; max-width: 900px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.pledge li {
  display: flex; gap: 15px; align-items: flex-start;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px 24px;
}
.pledge .check {
  flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--grad); color: #04060c; box-shadow: 0 6px 16px rgba(56,225,255,.3);
}
.pledge .check svg { width: 17px; height: 17px; }
.pledge strong { display: block; color: var(--ink); font-family: var(--font-display); font-weight: 500; font-size: 1.04rem; margin-bottom: 3px; }
.pledge span span { font-size: .95rem; color: var(--ink-2); }
.center { text-align: center; }
.mt-lg { margin-top: 40px; }
.center a { font-weight: 600; }

/* ---------- Pricing ---------- */
.price-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 340px)); gap: 20px; justify-content: center; }
.price-card {
  position: relative; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 34px 32px; text-align: center;
}
.price-card.best {
  border-color: transparent;
  background:
    linear-gradient(var(--bg-2), var(--bg-2)) padding-box,
    var(--grad) border-box;
  box-shadow: 0 24px 60px rgba(56,225,255,.16);
}
.price-card .badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--grad); color: #04060c; font-size: 11px; font-weight: 700; letter-spacing: .1em;
  padding: 6px 16px; border-radius: 999px; white-space: nowrap; box-shadow: 0 8px 20px rgba(56,225,255,.38);
}
.price-card h3 { font-family: var(--font-display); font-weight: 600; font-size: 1.3rem; color: var(--ink); margin: 6px 0 14px; }
.price-amount { display: flex; align-items: baseline; justify-content: center; gap: 8px; margin-bottom: 14px; }
.price-card .amount { font-family: var(--font-display); font-weight: 700; font-size: 2.9rem; letter-spacing: -.02em; color: var(--ink); }
.price-card .period { color: var(--ink-3); font-size: .95rem; }
.price-card p { font-size: .96rem; color: var(--ink-2); margin: 0; }
.price-note { max-width: 720px; margin: 34px auto 0; text-align: center; font-size: .82rem; color: var(--ink-3); line-height: 1.6; }
.free-note {
  max-width: 720px; margin: 0 auto 28px; text-align: center;
  background: var(--grad-soft); border: 1px solid rgba(56,225,255,.26);
  border-radius: var(--radius); padding: 18px 24px; color: var(--ink);
  font-size: .98rem;
}

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 60px 0 40px; background: rgba(0,0,0,.28); }
.site-footer .cols { display: grid; grid-template-columns: 1.4fr 2fr; gap: 40px; }
.footer-tagline { font-size: .95rem; color: var(--ink-3); max-width: 32ch; margin: 16px 0 0; }
.footer-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.footer-nav .group h4 { font-family: var(--font-display); font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 14px; font-weight: 600; }
.footer-nav .group a { display: block; color: var(--ink-2); font-size: .95rem; padding: 5px 0; }
.footer-nav .group a:hover { color: var(--ink); }
.footer-bottom {
  display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between;
  margin-top: 44px; padding-top: 26px; border-top: 1px solid var(--line);
  font-size: .82rem; color: var(--ink-3);
}

.hide-sm { display: inline; }

/* =========================================================
   Legal / document pages (privacy, terms, support)
   Shared classes: .doc .toc .faq .callout .contact-card
   ========================================================= */
.doc { padding: clamp(40px, 6vw, 80px) 0; }
.doc .content { max-width: 800px; margin: 0 auto; }
.doc .eyebrow { text-align: left; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.doc h1 {
  font-family: var(--font-display); font-weight: 600; letter-spacing: -.02em;
  font-size: clamp(2rem, 4vw, 2.9rem); line-height: 1.06; color: var(--ink); margin: 8px 0 10px;
}
.doc .lede, .doc .intro { font-size: 1.12rem; color: var(--ink-2); margin: 0 0 18px; }
.doc .updated { font-size: .85rem; color: var(--ink-3); margin: 0 0 8px; }
.doc h2 {
  font-family: var(--font-display); font-weight: 600; letter-spacing: -.015em;
  font-size: 1.5rem; color: var(--ink); margin: 44px 0 12px; padding-top: 10px;
}
.doc h3 { font-size: 1.15rem; color: var(--ink); margin: 26px 0 8px; font-weight: 600; }
.doc p, .doc li { color: var(--ink-2); }
.doc a { font-weight: 500; }
.doc ul, .doc ol { padding-left: 22px; }
.doc li { margin: 7px 0; }
.doc strong { color: var(--ink); }
.doc code { font-family: var(--font-mono); font-size: .88em; color: var(--ink); background: var(--surface-2); border: 1px solid var(--line); border-radius: 6px; padding: 1px 6px; }
.doc hr { border: none; border-top: 1px solid var(--line); margin: 40px 0; }

.toc {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 26px; margin: 28px 0;
}
.toc > strong, .toc h2 { display: block; font-family: var(--font-display); font-size: .78rem !important; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 14px !important; padding: 0 !important; }
.toc ol, .toc ul { list-style: none; padding: 0; margin: 0; columns: 2; column-gap: 32px; }
.toc li { margin: 7px 0; break-inside: avoid; }
.toc a { color: var(--ink-2); font-weight: 500; }
.toc a:hover { color: var(--ink); }

.callout {
  background: var(--grad-soft); border: 1px solid rgba(56,225,255,.26);
  border-radius: var(--radius); padding: 20px 24px; margin: 26px 0;
}
.callout p { margin: 0; color: var(--ink); }

.faq { margin: 22px 0; }
.faq details {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 4px 24px; margin: 12px 0;
  transition: border-color .15s ease;
}
.faq details[open] { border-color: var(--line-2); background: var(--surface-2); }
.faq summary {
  cursor: pointer; list-style: none; padding: 18px 0; font-family: var(--font-display);
  font-weight: 500; font-size: 1.06rem; color: var(--ink);
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.5rem; color: var(--ink-3); transition: transform .2s ease; line-height: 1; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details > p:last-child { padding-bottom: 20px; margin-top: 0; }
.faq .answer { padding: 0 0 20px; }
.faq .answer p { margin: 0; color: var(--ink-2); }

.contact-card {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px;
  background: var(--surface); border: 1px solid var(--line-2); border-radius: var(--radius);
  padding: 24px 28px; margin: 28px 0;
}
.contact-card .icon { color: #a9e9ff; }
.contact-card .icon svg { width: 28px; height: 28px; }
.contact-card h3 { font-family: var(--font-display); font-weight: 600; color: var(--ink); font-size: 1.1rem; margin: 0 0 4px; }
.contact-card a { font-weight: 600; }
.contact-card .meta { flex: 1 1 320px; }
.contact-card .meta p { margin: 0; }
.meta { color: var(--ink-3); }

.back-home { display: inline-flex; align-items: center; gap: 6px; margin-bottom: 8px; font-weight: 500; color: var(--ink-3); }
.back-home:hover { color: var(--ink-2); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .platform-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-copy { display: flex; flex-direction: column; align-items: center; }
  .hero .tagline { max-width: 46ch; }
  .cta-row { justify-content: center; }
  .hero-stage { order: -1; min-height: 400px; margin-bottom: 8px; }
  .steps { grid-template-columns: 1fr; }
  .feature-hero { grid-template-columns: 1fr; text-align: center; }
  .feature-hero-body p { max-width: none; }
  .fh-icon { align-self: center; }
  .stat-row { justify-content: center; }
  .feature-hero-media { order: -1; }
  .site-footer .cols { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 760px) {
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .pledge { grid-template-columns: 1fr; }
  .toc ul, .toc ol { columns: 1; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .hide-sm { display: none; }
  .site-header .wrap { height: 60px; }
  .brand { font-size: 17px; gap: 9px; }
  .brand .logo { width: 28px; height: 28px; }
  .nav-links { gap: 12px; }
  .lang-picker select { max-width: 116px; }
  .feature-grid { grid-template-columns: 1fr; }
  .platform-grid { grid-template-columns: 1fr; }
  .showcase .device { display: none; }
  .showcase { margin-bottom: 32px; }
  .price-grid { grid-template-columns: 1fr; }
  .price-card { padding: 30px 24px; }
  .footer-nav { grid-template-columns: 1fr 1fr; gap: 20px; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; scroll-behavior: auto !important; }
  .hero-copy > * { opacity: 1; transform: none; }
}