:root {
  color-scheme: dark;
  --bg: #07130f;
  --panel: #0d2119;
  --panel-2: #102a20;
  --text: #f1f8f2;
  --muted: #b8c9bd;
  --line: rgba(209, 232, 216, 0.18);
  --accent: #a7d86f;
  --accent-2: #66c3a2;
  --warn: #f2bf5d;
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(102, 195, 162, 0.16), transparent 36rem),
    linear-gradient(180deg, #07130f 0%, #091711 48%, #06100c 100%);
  color: var(--text);
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 19, 15, 0.86);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 17px;
  font-weight: 850;
  letter-spacing: 0;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 7px;
}

.nav {
  display: flex;
  justify-content: center;
  gap: clamp(12px, 3vw, 28px);
  color: var(--muted);
  font-size: 14px;
  font-weight: 750;
}

.nav a {
  text-decoration: none;
}

.nav a:hover {
  color: var(--text);
}

.language {
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--text);
  padding: 0 10px;
  font-weight: 800;
}

.page-shell {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(42px, 8vw, 92px) 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: clamp(30px, 6vw, 76px);
  align-items: center;
  min-height: calc(100vh - 170px);
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(46px, 8vw, 96px);
  line-height: 0.92;
  letter-spacing: 0;
}

.hero-copy p {
  max-width: 680px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.5;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: var(--radius);
  padding: 0 18px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 850;
  border: 1px solid var(--line);
}

.button.primary {
  color: #07130f;
  background: var(--accent);
  border-color: transparent;
}

.button.secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.product-panel {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(16, 42, 32, 0.92), rgba(7, 19, 15, 0.94));
  padding: 22px;
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.28);
}

.phone-frame {
  min-height: 500px;
  border-radius: 28px;
  border: 1px solid rgba(241, 248, 242, 0.18);
  background: #0b1913;
  padding: 22px;
  display: grid;
  align-content: start;
  gap: 14px;
}

.phone-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.metric {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.035);
  padding: 14px;
}

.metric strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text);
  font-size: 15px;
}

.metric span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.content-page {
  display: grid;
  gap: 22px;
}

.content-page h1 {
  margin: 0 0 8px;
  font-size: clamp(36px, 6vw, 66px);
  line-height: 1;
}

.content-page section {
  border-top: 1px solid var(--line);
  padding-top: 22px;
}

.content-page h2 {
  margin: 0 0 10px;
  font-size: 22px;
}

.content-page p,
.content-page li {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.68;
}

.content-page ul,
.content-page ol {
  margin: 10px 0 0;
  padding-left: 20px;
}

.notice {
  border: 1px solid rgba(242, 191, 93, 0.36);
  border-radius: var(--radius);
  background: rgba(242, 191, 93, 0.08);
  color: #ffe7a8;
  padding: 14px;
  line-height: 1.55;
}

.footer {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: 28px 0 42px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
}

@media (max-width: 820px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav {
    grid-column: 1 / -1;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .phone-frame {
    min-height: 390px;
  }

  .footer {
    flex-direction: column;
  }
}