:root {
  --ink: #111318;
  --muted: #6e7480;
  --soft: #f5f5f7;
  --soft-2: #fbfbfd;
  --line: rgba(17, 19, 24, .10);
  --glass: rgba(255, 255, 255, .72);
  --accent: #ef4d3f;
  --teal: #11918b;
  --gold: #f0aa2a;
  --radius-xl: 34px;
  --radius-lg: 24px;
  --shadow: 0 26px 80px rgba(20, 26, 38, .10);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 86% -10%, rgba(239,77,63,.16), transparent 34rem),
    radial-gradient(circle at 4% 38%, rgba(17,145,139,.12), transparent 30rem),
    linear-gradient(180deg, #fff 0%, var(--soft-2) 42%, var(--soft) 100%);
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: saturate(180%) blur(22px);
  background: rgba(251, 251, 253, .74);
  border-bottom: 1px solid rgba(17, 19, 24, .06);
}

.nav {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: -.02em;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  box-shadow: 0 12px 28px rgba(239,77,63,.22);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(17, 19, 24, .72);
}

.nav-links a {
  padding: 9px 12px;
  border-radius: 999px;
}
.nav-links a:hover,
.nav-links .active {
  background: rgba(17, 19, 24, .06);
  color: var(--ink);
}

.language {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.66);
  color: var(--ink) !important;
}

main { overflow: hidden; }
.section {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: 88px 0;
}
.hero {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 104px 0 76px;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 54px;
  align-items: center;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.68);
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}
.kicker::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 5px rgba(17,145,139,.12);
}

h1, h2, h3 { margin: 0; letter-spacing: -.055em; }
h1 {
  margin-top: 22px;
  font-size: clamp(48px, 7.8vw, 92px);
  line-height: .96;
  font-weight: 760;
}
h2 {
  font-size: clamp(34px, 4.6vw, 60px);
  line-height: 1.02;
  font-weight: 740;
}
h3 {
  font-size: 22px;
  line-height: 1.15;
  font-weight: 720;
}
p {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
  font-size: 17px;
}
.lead {
  margin-top: 24px;
  max-width: 660px;
  font-size: clamp(20px, 2.2vw, 27px);
  line-height: 1.36;
  letter-spacing: -.025em;
  color: rgba(17, 19, 24, .72);
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 680;
  border: 1px solid transparent;
}
.button.primary {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 16px 38px rgba(17,19,24,.18);
}
.button.secondary {
  background: rgba(255,255,255,.70);
  border-color: var(--line);
}

.device-card {
  position: relative;
  min-height: 560px;
  border-radius: 48px;
  padding: 26px;
  background:
    linear-gradient(145deg, rgba(255,255,255,.86), rgba(255,255,255,.42)),
    radial-gradient(circle at 20% 10%, rgba(239,77,63,.18), transparent 16rem),
    radial-gradient(circle at 94% 86%, rgba(17,145,139,.20), transparent 18rem);
  border: 1px solid rgba(255,255,255,.78);
  box-shadow: var(--shadow);
}
.phone {
  width: min(330px, 78vw);
  margin: 0 auto;
  border-radius: 44px;
  padding: 14px;
  background: #191b21;
  box-shadow: 0 34px 80px rgba(17,19,24,.22);
}
.screen {
  min-height: 500px;
  border-radius: 34px;
  padding: 24px;
  background: linear-gradient(180deg, #fff7ef 0%, #effaf8 100%);
  overflow: hidden;
}
.app-icon {
  width: 72px;
  height: 72px;
  border-radius: 22px;
  box-shadow: 0 16px 36px rgba(239,77,63,.28);
}
.score {
  margin-top: 46px;
  font-size: 76px;
  font-weight: 800;
  letter-spacing: -.06em;
  color: var(--accent);
}
.mini-card {
  margin-top: 18px;
  padding: 16px;
  border-radius: 22px;
  background: rgba(255,255,255,.70);
  border: 1px solid rgba(255,255,255,.82);
}
.frames {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin-top: 18px;
}
.frame {
  height: 42px;
  border-radius: 12px;
  background: rgba(17,19,24,.08);
}
.frame.hot { background: var(--accent); }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 36px;
}
.card {
  padding: 28px;
  border-radius: var(--radius-lg);
  background: var(--glass);
  border: 1px solid rgba(255,255,255,.76);
  box-shadow: 0 18px 50px rgba(20,26,38,.07);
}
.card .symbol {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  color: #fff;
  font-weight: 800;
  margin-bottom: 22px;
  background: var(--ink);
}
.card:nth-child(2) .symbol { background: var(--teal); }
.card:nth-child(3) .symbol { background: var(--accent); }
.card:nth-child(4) .symbol { background: var(--gold); color: var(--ink); }
.card:nth-child(5) .symbol { background: #5574f7; }
.card:nth-child(6) .symbol { background: #8b5cf6; }
.card p { margin-top: 12px; font-size: 15px; }

.panel {
  padding: clamp(28px, 5vw, 54px);
  border-radius: var(--radius-xl);
  background: rgba(255,255,255,.72);
  border: 1px solid rgba(255,255,255,.82);
  box-shadow: var(--shadow);
}
.split {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 34px;
  align-items: start;
}
.list {
  display: grid;
  gap: 16px;
}
.item {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.item:last-child { border-bottom: 0; }
.item h3 { margin-bottom: 8px; }

.document {
  width: min(860px, calc(100% - 36px));
  margin: 0 auto;
  padding: 70px 0 92px;
}
.doc-hero {
  padding: 54px;
  border-radius: var(--radius-xl);
  background: rgba(255,255,255,.74);
  border: 1px solid rgba(255,255,255,.82);
  box-shadow: var(--shadow);
}
.doc-hero h1 { font-size: clamp(42px, 6vw, 76px); }
.content {
  margin-top: 28px;
  display: grid;
  gap: 18px;
}
.content section {
  padding: 30px;
  border-radius: 26px;
  background: rgba(255,255,255,.68);
  border: 1px solid rgba(17,19,24,.07);
}
.content h2 {
  font-size: clamp(26px, 3vw, 38px);
  margin-bottom: 14px;
}
.content ul {
  margin: 14px 0 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.75;
  font-size: 16px;
}

.site-footer {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: 34px 0 46px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}
.footer-links { display: flex; gap: 14px; flex-wrap: wrap; }
.footer-links a:hover { color: var(--ink); }

@media (max-width: 900px) {
  .hero, .split { grid-template-columns: 1fr; }
  .hero { padding-top: 70px; }
  .device-card { min-height: auto; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .nav { min-height: auto; padding: 14px 0; align-items: flex-start; }
  .nav-links { justify-content: flex-end; flex-wrap: wrap; }
}
@media (max-width: 640px) {
  .nav { flex-direction: column; }
  .nav-links { justify-content: flex-start; }
  .grid { grid-template-columns: 1fr; }
  .section { padding: 58px 0; }
  .hero { padding-bottom: 48px; }
  .doc-hero, .content section { padding: 26px; }
  .site-footer { flex-direction: column; }
}