/* ============================================================================
   Dostum SMS — "Signal & Trust"  ·  professional system (2026)
   Geist + Geist Mono (self-hosted) · cool-slate neutrals · one blue accent
   ========================================================================== */

@font-face {
  font-family: 'Geist'; src: url('/assets/fonts/Geist.woff2') format('woff2');
  font-weight: 100 900; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Geist Mono'; src: url('/assets/fonts/GeistMono.woff2') format('woff2');
  font-weight: 100 900; font-style: normal; font-display: swap;
}

/* ---- Tokens ---------------------------------------------------------------- */
:root {
  --accent: #2563EB;
  --accent-strong: #1d4ed8;
  --accent-soft: rgba(37, 99, 235, .10);

  /* light — chosen cool-slate neutrals */
  --bg: #FBFCFE;
  --bg-2: #F2F5FB;
  --surface: #FFFFFF;
  --surface-2: #F7F9FD;
  --text: #0B1220;
  --text-2: #47506A;
  --text-3: #737C93;
  --line: rgba(13, 22, 45, .09);
  --line-2: rgba(13, 22, 45, .06);
  --grid: rgba(13, 22, 45, .045);
  --glass: rgba(255, 255, 255, .72);
  --glass-brd: rgba(255, 255, 255, .8);
  --shadow-sm: 0 1px 2px rgba(13, 22, 45, .06), 0 1px 3px rgba(13, 22, 45, .05);
  --shadow: 0 1px 2px rgba(13, 22, 45, .05), 0 16px 40px -22px rgba(13, 22, 45, .28);
  --glow: 0 20px 48px -26px rgba(37, 99, 235, .5);
  --ok: #16a34a;
  --ring: rgba(37, 99, 235, .4);

  --maxw: 1140px;
  --radius: 14px;
  --radius-lg: 20px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --dur: 200ms;
  --font: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --mono: 'Geist Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;

  --step--1: clamp(.82rem, .8rem + .08vw, .88rem);
  --step-0: clamp(.98rem, .95rem + .16vw, 1.05rem);
  --step-1: clamp(1.15rem, 1.06rem + .4vw, 1.35rem);
  --step-2: clamp(1.45rem, 1.25rem + .9vw, 1.9rem);
  --step-3: clamp(1.9rem, 1.5rem + 1.9vw, 2.85rem);
  --step-4: clamp(2.5rem, 1.8rem + 3.4vw, 4.1rem);
}
:root[data-theme="dark"] {
  --accent: #3b82f6;
  --accent-strong: #60a5fa;
  --accent-soft: rgba(59, 130, 246, .14);
  --bg: #0A0E17;
  --bg-2: #0D1220;
  --surface: #111725;
  --surface-2: #0F1523;
  --text: #EEF2FA;
  --text-2: #A4AEC2;
  --text-3: #79839A;
  --line: rgba(255, 255, 255, .09);
  --line-2: rgba(255, 255, 255, .06);
  --grid: rgba(255, 255, 255, .04);
  --glass: rgba(17, 23, 37, .6);
  --glass-brd: rgba(255, 255, 255, .09);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
  --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 20px 50px -26px rgba(0, 0, 0, .8);
  --glow: 0 22px 60px -28px rgba(59, 130, 246, .6);
  --ring: rgba(96, 165, 250, .5);
}

/* ---- Base ------------------------------------------------------------------ */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }
body {
  margin: 0; font-family: var(--font); font-size: var(--step-0); line-height: 1.62;
  color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility; overflow-x: hidden; font-feature-settings: "cv01","ss03";
}
h1, h2, h3, h4 { line-height: 1.08; letter-spacing: -.021em; margin: 0 0 .4em; font-weight: 650; text-wrap: balance; }
h1 { font-weight: 700; letter-spacing: -.03em; }
p { margin: 0 0 1rem; color: var(--text-2); }
a { color: var(--accent); text-decoration: none; }
img { max-width: 100%; display: block; }
:focus-visible { outline: 2px solid var(--ring); outline-offset: 3px; border-radius: 8px; }
::selection { background: var(--accent-soft); }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.lead { font-size: var(--step-1); color: var(--text-2); line-height: 1.55; letter-spacing: -.01em; }
.center { text-align: center; }

/* Eyebrow — mono label with an accent tick (structural, not decorative) */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: .74rem; font-weight: 500; letter-spacing: .14em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 22px; height: 1.5px; background: currentColor; opacity: .7; }
.grad-text { color: var(--accent); }

/* ---- Signal-grid background ------------------------------------------------ */
.aurora { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.aurora::before {
  content: ""; position: absolute; inset: -1px;
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 38px 38px;
  -webkit-mask-image: radial-gradient(120% 80% at 50% -10%, #000 35%, transparent 78%);
  mask-image: radial-gradient(120% 80% at 50% -10%, #000 35%, transparent 78%);
}
.aurora span:nth-child(1) {
  position: absolute; top: -30vh; left: 50%; translate: -50% 0; width: 90vw; height: 70vh;
  background: radial-gradient(closest-side, var(--accent-soft), transparent 72%); opacity: .9; filter: blur(10px);
}
.aurora span:nth-child(2), .aurora span:nth-child(3) { display: none; }

/* ---- Buttons --------------------------------------------------------------- */
.btn {
  --pad: 11px 18px; display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: var(--pad); border-radius: 11px; font-family: inherit; font-weight: 550; font-size: var(--step-0);
  cursor: pointer; border: 1px solid transparent; letter-spacing: -.01em; white-space: nowrap;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur), border-color var(--dur), color var(--dur);
}
.btn svg { width: 19px; height: 19px; }
.btn-primary { color: #fff; background: var(--accent); box-shadow: var(--shadow-sm); }
.btn-primary:hover { transform: translateY(-1px); background: var(--accent-strong); box-shadow: var(--glow); }
.btn-primary:active { transform: translateY(0); }
.btn-ghost { color: var(--text); background: var(--surface); border-color: var(--line); box-shadow: var(--shadow-sm); }
.btn-ghost:hover { transform: translateY(-1px); border-color: var(--ring); }
.btn-lg { --pad: 14px 24px; font-size: 1.02rem; border-radius: 12px; }
.btn-play .store { display: flex; flex-direction: column; align-items: flex-start; line-height: 1.05; text-align: left; }
.btn-play .store small { font-family: var(--mono); font-size: .58em; font-weight: 400; opacity: .85; letter-spacing: .04em; text-transform: uppercase; }

/* ---- Header ---------------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px) saturate(150%); -webkit-backdrop-filter: blur(14px) saturate(150%);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid transparent; transition: border-color var(--dur), background var(--dur);
}
.site-header.scrolled { border-bottom-color: var(--line); }
.nav { display: flex; align-items: center; gap: 16px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; color: var(--text); letter-spacing: -.02em; }
.brand img { width: 30px; height: 30px; border-radius: 8px; box-shadow: var(--shadow-sm); }
.brand b { font-size: 1.02rem; font-weight: 600; }
.nav-links { display: flex; align-items: center; gap: 2px; margin: 0 auto; padding: 0; list-style: none; }
.nav-links a { color: var(--text-2); font-weight: 500; font-size: .92rem; padding: 8px 13px; border-radius: 9px; letter-spacing: -.01em; transition: color var(--dur), background var(--dur); }
.nav-links a:hover { color: var(--text); background: var(--line-2); }
.nav-tools { display: flex; align-items: center; gap: 8px; }
.icon-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 38px; min-width: 38px; padding: 0 10px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--surface); color: var(--text); cursor: pointer; font-family: var(--mono); font-weight: 500; font-size: .78rem;
  box-shadow: var(--shadow-sm); transition: transform var(--dur) var(--ease), border-color var(--dur); letter-spacing: .02em;
}
.icon-btn:hover { transform: translateY(-1px); border-color: var(--ring); }
.icon-btn svg { width: 17px; height: 17px; }
.lang { position: relative; }
.lang-menu {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 158px; padding: 6px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; transform: translateY(-6px); transition: opacity var(--dur), transform var(--dur), visibility var(--dur); z-index: 60;
}
.lang.open .lang-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-menu button { display: flex; width: 100%; align-items: center; gap: 10px; padding: 9px 11px; border: 0; border-radius: 8px; background: none; color: var(--text); font: inherit; font-size: .9rem; font-weight: 500; cursor: pointer; text-align: left; font-family: var(--font); }
.lang-menu button:hover, .lang-menu button[aria-current="true"] { background: var(--line-2); }
.nav-cta { display: inline-flex; }
.nav-toggle { display: none; }
@media (max-width: 900px) {
  .nav-links {
    position: fixed; inset: 64px 0 auto 0; margin: 0; flex-direction: column; align-items: stretch; gap: 2px;
    padding: 12px 24px 20px; background: var(--surface); border-bottom: 1px solid var(--line);
    transform: translateY(-140%); transition: transform 300ms var(--ease); box-shadow: var(--shadow);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 12px 14px; font-size: 1rem; }
  .nav-toggle { display: inline-flex; }
  .nav-cta.desktop { display: none; }
}

/* ---- Sections -------------------------------------------------------------- */
.section { padding: clamp(60px, 8vw, 108px) 0; position: relative; }
.section-head { max-width: 640px; margin: 0 auto clamp(40px, 5vw, 60px); text-align: center; }
.section-head .eyebrow { justify-content: center; }
.section-head h2 { font-size: var(--step-3); }
.section-head .lead { margin: 0; }

/* ---- Hero ------------------------------------------------------------------ */
.hero { padding: clamp(56px, 8vw, 104px) 0 clamp(60px, 8vw, 104px); }
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(30px, 5vw, 64px); align-items: center; }
.hero h1 { font-size: var(--step-4); max-width: 15ch; }
.hero .lead { max-width: 44ch; margin: 20px 0 32px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.hero-note { display: flex; align-items: center; gap: 9px; margin-top: 24px; font-family: var(--mono); font-size: .8rem; color: var(--text-3); letter-spacing: -.01em; }
.hero-note .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 4px color-mix(in srgb, var(--ok) 22%, transparent); flex: none; }

.hero-stage { position: relative; display: grid; place-items: center; min-height: 540px; }
.signal { position: absolute; inset: 0; z-index: 0; pointer-events: none; display: grid; place-items: center; }
.signal .ring { position: absolute; width: 280px; height: 280px; border-radius: 50%; border: 1px solid var(--ring); opacity: 0; animation: pulse 5s var(--ease) infinite; }
.signal .ring:nth-child(2) { animation-delay: 1.25s; }
.signal .ring:nth-child(3) { animation-delay: 2.5s; }
.signal .ring:nth-child(4) { animation-delay: 3.75s; }
@keyframes pulse { 0% { opacity: .5; scale: .5; } 80% { opacity: 0; } 100% { opacity: 0; scale: 1.85; } }

.phone {
  position: relative; z-index: 2; width: min(288px, 76vw); aspect-ratio: 360/740;
  border-radius: 38px; padding: 9px; background: var(--surface);
  border: 1px solid var(--line); box-shadow: var(--shadow), var(--glow);
  animation: float 8s var(--ease) infinite;
}
.phone img { width: 100%; height: 100%; object-fit: cover; border-radius: 30px; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

.chip {
  position: absolute; z-index: 3; display: flex; align-items: center; gap: 10px;
  padding: 10px 13px; border-radius: 12px; font-size: .8rem; font-weight: 550; color: var(--text);
  background: var(--glass); border: 1px solid var(--glass-brd); box-shadow: var(--shadow);
  backdrop-filter: blur(16px) saturate(150%); -webkit-backdrop-filter: blur(16px) saturate(150%);
  animation: float 9s var(--ease) infinite;
}
.chip small { display: block; font-family: var(--mono); font-size: .66rem; font-weight: 400; color: var(--text-3); letter-spacing: -.02em; margin-top: 1px; }
.chip .ic { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; color: #fff; background: var(--accent); flex: none; }
.chip .ic svg { width: 16px; height: 16px; }
.chip-1 { top: 9%; left: -7%; animation-delay: -1s; }
.chip-2 { bottom: 17%; right: -9%; animation-delay: -3.5s; }
.chip-3 { bottom: 0; left: 4%; animation-delay: -6s; }

/* ---- Trust ----------------------------------------------------------------- */
.trust { padding: 0 0 clamp(24px, 4vw, 44px); }
.trust-inner {
  display: flex; flex-wrap: wrap; gap: 8px 22px; align-items: center; justify-content: center;
  padding: 16px 22px; border-radius: var(--radius); text-align: center;
  background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  color: var(--text-3); font-family: var(--mono); font-size: .82rem; letter-spacing: -.01em;
}
.trust-inner b { color: var(--text); font-weight: 550; }

/* ---- Steps (a real sequence → numbered) ----------------------------------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: s; }
.step { position: relative; padding: 26px 24px; border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow-sm); transition: border-color var(--dur), box-shadow var(--dur); }
.step:hover { border-color: var(--ring); box-shadow: var(--shadow); }
.step::before { counter-increment: s; content: counter(s, decimal-leading-zero); position: absolute; top: 22px; right: 24px; font-family: var(--mono); font-size: .82rem; font-weight: 500; color: var(--text-3); letter-spacing: .02em; }
.step .ic { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; color: var(--accent); background: var(--accent-soft); border: 1px solid var(--line-2); margin-bottom: 18px; }
.step .ic svg { width: 22px; height: 22px; }
.step h3 { font-size: 1.12rem; font-weight: 600; }
.step p { margin: 0; font-size: .92rem; }
.step .line { display: none; }

/* ---- Features -------------------------------------------------------------- */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature { padding: 26px 24px; border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow-sm); transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur); }
.feature:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--ring); }
.feature .ic { width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center; margin-bottom: 16px; color: var(--accent); background: var(--accent-soft); border: 1px solid var(--line-2); }
.feature .ic svg { width: 21px; height: 21px; }
.feature h3 { font-size: 1.08rem; font-weight: 600; }
.feature p { margin: 0; font-size: .92rem; }

/* ---- Screenshots ----------------------------------------------------------- */
.shots-track { display: flex; gap: 22px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 26px 4px 30px; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
.shots-track::-webkit-scrollbar { display: none; }
.shot { scroll-snap-align: center; flex: 0 0 auto; width: 236px; text-align: center; }
.shot .frame { border-radius: 30px; padding: 7px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); transition: transform 360ms var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur); }
.shot:nth-child(odd) .frame { transform: rotate(-1.6deg); }
.shot:nth-child(even) .frame { transform: rotate(1.6deg) translateY(10px); }
.shot .frame:hover { transform: rotate(0) translateY(-6px); box-shadow: var(--glow), var(--shadow); border-color: var(--ring); }
.shot img { border-radius: 24px; }
.shot .cap { margin-top: 16px; font-weight: 550; font-size: .9rem; letter-spacing: -.01em; }
.shot .cap small { display: block; font-family: var(--mono); color: var(--text-3); font-weight: 400; font-size: .72rem; margin-top: 2px; }
.shots-hint { text-align: center; color: var(--text-3); font-family: var(--mono); font-size: .78rem; letter-spacing: .02em; }

/* ---- Video ----------------------------------------------------------------- */
.video-wrap { max-width: 880px; margin: 0 auto; }
.video { position: relative; aspect-ratio: 16/9; border-radius: var(--radius-lg); overflow: hidden; cursor: pointer; border: 1px solid var(--line); box-shadow: var(--shadow), var(--glow); background: #0a0e17; }
.video img { width: 100%; height: 100%; object-fit: cover; opacity: .9; }
.video .play { position: absolute; inset: 0; display: grid; place-items: center; background: radial-gradient(circle at center, rgba(10,14,23,.1), rgba(10,14,23,.5)); }
.video .play span { width: 76px; height: 76px; border-radius: 50%; display: grid; place-items: center; color: #fff; background: var(--accent); box-shadow: var(--glow); transition: transform var(--dur) var(--ease); }
.video:hover .play span { transform: scale(1.07); }
.video .play svg { width: 30px; height: 30px; margin-left: 4px; }
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-note { text-align: center; color: var(--text-3); font-family: var(--mono); font-size: .76rem; margin-top: 14px; letter-spacing: -.01em; }

/* ---- Privacy band ---------------------------------------------------------- */
.band { position: relative; overflow: hidden; background: #0A0E17; color: #eaf0fb; border-radius: var(--radius-lg); border: 1px solid rgba(255,255,255,.08); }
.band .aurora-in { position: absolute; inset: 0; }
.band .aurora-in span:nth-child(1) { position: absolute; top: -20%; left: 10%; width: 60%; height: 80%; background: radial-gradient(closest-side, rgba(37,99,235,.28), transparent 70%); }
.band .aurora-in span:nth-child(2) { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 38px 38px; -webkit-mask-image: radial-gradient(120% 90% at 20% 0%, #000 30%, transparent 75%); mask-image: radial-gradient(120% 90% at 20% 0%, #000 30%, transparent 75%); }
.band-inner { position: relative; padding: clamp(44px, 6vw, 76px) clamp(24px, 5vw, 60px); }
.band .eyebrow { color: #7fb0ff; }
.band h2 { font-size: var(--step-3); color: #fff; }
.band .lead { color: #aebbd4; }
.privacy-lines { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 28px 0 32px; }
.pl { padding: 22px; border-radius: var(--radius); background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); }
.pl .ic { width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; color: #cfe0ff; background: rgba(37,99,235,.22); border: 1px solid rgba(255,255,255,.1); margin-bottom: 14px; }
.pl .ic svg { width: 21px; height: 21px; }
.pl h3 { color: #fff; font-size: 1.06rem; font-weight: 600; }
.pl p { margin: 0; font-size: .9rem; color: #aab7d0; }

/* ---- Final CTA ------------------------------------------------------------- */
.cta-final { text-align: center; }
.cta-card { position: relative; overflow: hidden; padding: clamp(48px, 6vw, 80px) 24px; border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); }
.cta-card::before { content: ""; position: absolute; top: -40%; left: 50%; translate: -50% 0; width: 80%; height: 100%; background: radial-gradient(closest-side, var(--accent-soft), transparent 70%); pointer-events: none; }
.cta-card > * { position: relative; }
.cta-card h2 { font-size: var(--step-3); }
.cta-card .lead { max-width: 48ch; margin: 0 auto 28px; }
.cta-card .btn { margin: 0 auto; }

/* ---- Footer ---------------------------------------------------------------- */
.site-footer { padding: clamp(52px, 6vw, 76px) 0 40px; border-top: 1px solid var(--line); margin-top: 8px; }
.foot-grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1fr; gap: 30px; }
.foot-brand p { font-size: .9rem; max-width: 32ch; }
.foot-brand .brand { margin-bottom: 14px; }
.site-footer h4 { font-family: var(--mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .12em; color: var(--text-3); font-weight: 500; margin-bottom: 14px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.site-footer li a { color: var(--text-2); font-weight: 500; font-size: .9rem; letter-spacing: -.01em; }
.site-footer li a:hover { color: var(--text); }
.foot-bottom { display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; align-items: center; margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--text-3); font-family: var(--mono); font-size: .76rem; letter-spacing: -.01em; }

/* ---- Reveal ---------------------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .07s; } .reveal.d2 { transition-delay: .14s; } .reveal.d3 { transition-delay: .21s; }

/* ---- Content / legal / FAQ ------------------------------------------------- */
.doc { max-width: 760px; margin: 0 auto; padding: clamp(28px, 5vw, 52px) 0; }
.doc-hero { padding: clamp(44px, 6vw, 76px) 0 0; }
.doc .card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); padding: clamp(26px, 4vw, 46px); }
.doc h1 { font-size: var(--step-3); }
.doc h2 { font-size: 1.2rem; font-weight: 600; margin-top: 2em; }
.doc p, .doc li { color: var(--text-2); }
.doc code { font-family: var(--mono); background: var(--bg-2); padding: 2px 6px; border-radius: 6px; font-size: .88em; }
.doc table { width: 100%; border-collapse: collapse; margin: 1em 0; font-size: .9rem; }
.doc th, .doc td { border: 1px solid var(--line); padding: 9px 11px; text-align: left; vertical-align: top; }
.doc th { background: var(--bg-2); font-weight: 600; }
.doc .sub { color: var(--text-3); font-family: var(--mono); font-size: .82rem; }

.faq-list { max-width: 760px; margin: 0 auto; display: grid; gap: 12px; }
.faq-item { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow-sm); overflow: hidden; transition: border-color var(--dur); }
.faq-item[open] { border-color: var(--ring); }
.faq-item summary { list-style: none; cursor: pointer; padding: 20px 22px; font-weight: 600; font-size: 1.04rem; letter-spacing: -.01em; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .plus { flex: none; width: 26px; height: 26px; border-radius: 7px; border: 1px solid var(--line); display: grid; place-items: center; color: var(--text-3); transition: transform var(--dur) var(--ease); }
.faq-item[open] summary .plus { transform: rotate(45deg); color: var(--accent); }
.faq-item .a { padding: 0 22px 20px; color: var(--text-2); font-size: .95rem; }
.faq-item .a p:last-child { margin-bottom: 0; }

/* ---- Responsive ------------------------------------------------------------ */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero { text-align: center; }
  .hero .lead { margin-inline: auto; }
  .hero h1 { margin-inline: auto; }
  .hero-cta, .hero-note, .eyebrow { justify-content: center; }
  .hero-copy .eyebrow { justify-content: flex-start; }
  .hero.hero { text-align: center; }
  .hero-copy { text-align: center; display: flex; flex-direction: column; align-items: center; }
  .hero-stage { min-height: 500px; margin-top: 12px; }
  .steps { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr 1fr; }
  .privacy-lines { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .foot-brand { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .features { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
  .btn, .hero-cta .btn, .cta-card .btn { width: 100%; }
}
@media (min-width: 1400px) { :root { --maxw: 1200px; } }

/* ---- Mobile polish (straight, calm) --------------------------------------- */
@media (max-width: 760px) {
  .brand img { width: 30px; height: 30px; }
  .hero-stage { min-height: 430px; }
  .phone { animation: none; transform: none; width: min(270px, 72vw); }
  .chip { animation: none; }
  .chip-3 { display: none; }
  .chip-1 { top: 2%; left: 0; }
  .chip-2 { bottom: 6%; right: 0; }
  .signal .ring { animation-duration: 5.4s; }
  .shots-track { gap: 16px; padding: 12px 22px 18px; }
  .shot { width: 214px; }
  .shot .frame, .shot:nth-child(odd) .frame, .shot:nth-child(even) .frame { transform: none; }
  .shot .frame:active { transform: scale(.99); }
  .section { padding: clamp(52px, 12vw, 78px) 0; }
  .hero { padding: 30px 0 46px; }
}
@media (max-width: 480px) {
  .chip { font-size: .74rem; padding: 8px 11px; }
  .chip .ic { width: 26px; height: 26px; }
  .hero h1 { font-size: clamp(2.15rem, 8.5vw, 2.7rem); }
}