:root {
  color-scheme: dark;
  --ink: #08080b;
  --ink-soft: #111116;
  --surface: #17171d;
  --line: #2a2a32;
  --paper: #f5f3ef;
  --muted: #aaa8ae;
  --red: #f0182a;
  --red-dark: #a80c19;
  --blue: #80aaff;
  --gold: #e1b65e;
  --max: 1180px;
  --header: 72px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}
body::selection { background: var(--red); color: white; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; }

.site-header {
  position: fixed;
  z-index: 30;
  inset: 0 0 auto;
  height: var(--header);
  background: rgba(8, 8, 11, .92);
  border-bottom: 1px solid rgba(255, 255, 255, .09);
  backdrop-filter: blur(18px);
}
.nav-shell {
  width: min(calc(100% - 40px), var(--max));
  height: 100%;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 800; font-size: 20px; }
.brand img { width: 38px; height: 38px; border-radius: 8px; }
.brand span { color: white; }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { color: #d7d5da; font-size: 14px; font-weight: 650; }
.nav-links a:hover, .nav-links a:focus-visible { color: white; }
.language-button, .menu-button {
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: white;
  cursor: pointer;
  font-size: 12px;
  font-weight: 800;
}
.menu-button { display: none; font-size: 20px; }

.hero {
  min-height: 760px;
  padding-top: var(--header);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: #050507;
}
.hero-media {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.hero-media::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("app-home.png");
  background-size: 520px auto;
  background-position: calc(50% + 310px) 50px;
  background-repeat: no-repeat;
  opacity: .62;
  filter: saturate(.78) contrast(1.05);
  transform: scale(1.1);
}
.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(5, 5, 7, .66);
}
.hero-film-strip {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 12px;
  background: var(--red);
  opacity: .9;
}
.hero-inner {
  width: min(calc(100% - 40px), var(--max));
  min-height: 688px;
  margin: auto;
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
}
.hero-copy { width: min(670px, 64%); padding: 72px 0; }
.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 22px;
  color: #d8d5d9;
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 800;
}
.eyebrow::before { content: ""; width: 38px; height: 3px; background: var(--red); }
.hero h1 { margin: 0; font-size: clamp(76px, 10vw, 146px); line-height: .82; font-weight: 900; letter-spacing: 0; }
.hero h1 span { color: var(--red); }
.hero-lead { max-width: 590px; margin: 28px 0 0; color: #d1cfd4; font-size: clamp(19px, 2vw, 25px); line-height: 1.42; }
.hero-actions { display: flex; align-items: center; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: var(--red);
  color: white;
  font-weight: 800;
  transition: transform .18s ease, background .18s ease;
}
.button:hover { transform: translateY(-2px); background: #ff2739; }
.button.secondary { background: transparent; border-color: #4a4850; }
.button.secondary:hover { background: #17171d; }
.button.is-disabled { opacity: .58; cursor: not-allowed; transform: none; }
.hero-note { margin: 14px 0 0; color: #85828a; font-size: 12px; }

.section { padding: 104px 0; border-bottom: 1px solid var(--line); }
.section-shell { width: min(calc(100% - 40px), var(--max)); margin: auto; }
.section-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 480px); gap: 70px; align-items: end; margin-bottom: 56px; }
.section-heading h2 { margin: 0; max-width: 700px; font-size: clamp(40px, 6vw, 76px); line-height: 1.02; }
.section-heading p { margin: 0; color: var(--muted); font-size: 18px; }
.red-text { color: var(--red); }

.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.feature-item { min-height: 245px; padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--ink-soft); }
.feature-index { display: block; color: var(--red); font-weight: 900; font-size: 13px; margin-bottom: 52px; }
.feature-item h3 { margin: 0 0 9px; font-size: 21px; }
.feature-item p { margin: 0; color: var(--muted); font-size: 14px; }

.showcase { background: #0c0c10; overflow: hidden; }
.showcase-layout { display: grid; grid-template-columns: 1fr 1.12fr; gap: 80px; align-items: center; }
.showcase-copy h2 { margin: 0 0 22px; font-size: clamp(42px, 6vw, 76px); line-height: 1.04; }
.showcase-copy > p { color: var(--muted); font-size: 18px; }
.signal-list { list-style: none; padding: 0; margin: 34px 0 0; border-top: 1px solid var(--line); }
.signal-list li { display: flex; justify-content: space-between; gap: 20px; padding: 17px 0; border-bottom: 1px solid var(--line); }
.signal-list strong { color: white; }
.signal-list span { color: var(--muted); text-align: right; }
.phone-stage { position: relative; min-height: 720px; }
.phone {
  position: absolute;
  width: 305px;
  padding: 9px;
  background: #1e1e23;
  border: 1px solid #51515a;
  border-radius: 42px;
  box-shadow: 0 38px 80px rgba(0,0,0,.48);
}
.phone img { width: 100%; border-radius: 34px; }
.phone.primary { top: 0; left: 0; z-index: 2; transform: rotate(-4deg); }
.phone.secondary { top: 95px; right: 0; transform: rotate(5deg); }
.phone.secondary img { aspect-ratio: 390 / 844; object-fit: cover; object-position: top; }
.accent-block { position: absolute; width: 190px; height: 190px; right: 38px; bottom: 30px; background: var(--red); }

.social-band { background: var(--paper); color: #111116; }
.social-band .section-heading p { color: #5c5961; }
.feed-demo { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: stretch; }
.feed-window { background: #0a0a0d; color: white; border: 1px solid #26262e; border-radius: 8px; overflow: hidden; }
.feed-tabs { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid #292930; }
.feed-tabs span { text-align: center; padding: 17px; color: #77747d; font-weight: 800; }
.feed-tabs .active { color: white; border-bottom: 3px solid var(--red); }
.post { padding: 24px; border-bottom: 1px solid #292930; }
.post-head { display: flex; gap: 12px; align-items: center; }
.avatar { width: 42px; height: 42px; border-radius: 50%; background: var(--blue); display: grid; place-items: center; color: #111; font-weight: 900; }
.avatar.gold { background: var(--gold); }
.post-meta strong, .post-meta span { display: block; }
.post-meta span { color: #85818a; font-size: 12px; }
.post p { color: #d8d5db; }
.post-film { display: grid; grid-template-columns: 80px 1fr; gap: 14px; padding: 12px; background: #17171d; border: 1px solid #2d2d35; border-radius: 6px; }
.poster-placeholder { min-height: 108px; background: var(--red-dark); border-radius: 4px; }
.post-actions { display: flex; justify-content: space-between; margin-top: 18px; color: #96929c; font-size: 13px; }
.social-statement { display: flex; flex-direction: column; justify-content: space-between; padding: 40px; background: #15151b; color: white; border-radius: 8px; }
.social-statement blockquote { margin: 0; font-size: clamp(27px, 3.2vw, 46px); line-height: 1.16; font-weight: 800; }
.social-statement small { color: #a3a0a8; }

.privacy-band { background: #121217; }
.privacy-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.privacy-item { background: #121217; padding: 30px; }
.privacy-item h3 { margin-top: 0; }
.privacy-item p { color: var(--muted); margin-bottom: 0; }

.cta-band { padding: 78px 0; background: var(--red); color: white; }
.cta-layout { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.cta-layout h2 { margin: 0; font-size: clamp(36px, 5vw, 64px); line-height: 1; }
.cta-layout .button { background: white; color: #111; }

.site-footer { padding: 58px 0 34px; background: #060608; }
.footer-main { display: grid; grid-template-columns: 1.2fr 2fr; gap: 70px; }
.footer-brand p { color: #86838b; max-width: 360px; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.footer-links strong { display: block; margin-bottom: 15px; font-size: 13px; color: white; }
.footer-links a { display: block; color: #9d9aa2; margin: 9px 0; font-size: 14px; }
.footer-links a:hover { color: white; }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); color: #76737b; font-size: 12px; }

.legal-main { padding: calc(var(--header) + 70px) 0 90px; min-height: 75vh; }
.legal-shell { width: min(calc(100% - 40px), 860px); margin: auto; }
.legal-kicker { color: var(--red); font-weight: 850; font-size: 12px; text-transform: uppercase; }
.legal-main h1 { margin: 14px 0 18px; font-size: clamp(44px, 7vw, 76px); line-height: 1; }
.legal-intro { color: var(--muted); font-size: 18px; max-width: 720px; }
.legal-meta { display: flex; gap: 20px; flex-wrap: wrap; margin: 24px 0 50px; color: #85828a; font-size: 13px; }
.legal-toc { display: flex; gap: 10px; flex-wrap: wrap; margin: 0 0 54px; }
.legal-toc a { padding: 7px 10px; border: 1px solid var(--line); border-radius: 4px; color: #bbb8c0; font-size: 12px; }
.legal-section { scroll-margin-top: 100px; padding: 30px 0; border-top: 1px solid var(--line); }
.legal-section h2 { margin: 0 0 13px; font-size: 25px; }
.legal-section h3 { margin: 25px 0 8px; font-size: 17px; }
.legal-section p, .legal-section li { color: #bbb8c0; }
.legal-section ul, .legal-section ol { padding-left: 22px; }
.legal-section li { margin: 8px 0; }
.legal-callout { padding: 22px; background: #17171d; border-left: 4px solid var(--red); margin: 24px 0; }
.legal-callout p { margin: 0; }

.support-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 48px; }
.support-card { display: block; padding: 26px; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; }
.support-card:hover { border-color: #55525c; }
.support-card strong { display: block; font-size: 20px; margin-bottom: 8px; }
.support-card span { color: var(--muted); }
.steps { counter-reset: steps; list-style: none; padding: 0; }
.steps li { counter-increment: steps; position: relative; padding: 18px 0 18px 55px; border-top: 1px solid var(--line); }
.steps li::before { content: counter(steps); position: absolute; left: 0; top: 17px; width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; background: var(--red); color: white; font-weight: 900; }

[data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
[data-reveal].is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .button { transition: none; }
}

@media (max-width: 900px) {
  .nav-links { position: fixed; inset: var(--header) 0 auto; display: none; padding: 20px; background: #0b0b0e; border-bottom: 1px solid var(--line); }
  .nav-links[data-open="true"] { display: grid; }
  .menu-button { display: inline-grid; place-items: center; }
  .nav-actions { display: flex; gap: 8px; }
  .hero { min-height: 780px; }
  .hero-inner { align-items: flex-end; min-height: 708px; }
  .hero-copy { width: 100%; padding: 80px 0 76px; }
  .hero h1 { font-size: clamp(70px, 21vw, 114px); }
  .hero-lead { font-size: 19px; max-width: 520px; }
  .hero-media::before { background-size: 420px auto; background-position: calc(50% + 110px) 45px; opacity: .5; }
  .hero-media::after { background: rgba(5, 5, 7, .57); }
  .section-heading { grid-template-columns: 1fr; gap: 22px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .showcase-layout { grid-template-columns: 1fr; }
  .phone-stage { width: min(100%, 600px); margin: auto; }
  .feed-demo { grid-template-columns: 1fr; }
  .privacy-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  :root { --header: 64px; }
  .nav-shell, .section-shell, .hero-inner, .legal-shell { width: min(calc(100% - 28px), var(--max)); }
  .brand span { font-size: 18px; }
  .brand img { width: 34px; height: 34px; }
  .section { padding: 74px 0; }
  .section-heading { margin-bottom: 36px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-item { min-height: 200px; }
  .feature-index { margin-bottom: 32px; }
  .phone-stage { min-height: 610px; }
  .phone { width: 238px; border-radius: 34px; }
  .phone img { border-radius: 27px; }
  .phone.primary { left: 0; }
  .phone.secondary { top: 72px; right: 0; }
  .accent-block { width: 130px; height: 130px; right: 14px; bottom: 40px; }
  .social-statement { padding: 28px; }
  .cta-layout { align-items: flex-start; flex-direction: column; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; }
  .support-grid { grid-template-columns: 1fr; }
}