:root {
  color-scheme: dark;
  --bg: #0e0d0c;
  --bg-elevated: rgba(22, 20, 18, 0.9);
  --line: rgba(214, 211, 205, 0.12);
  --text: #f5f3ef;
  --muted: #b1aba3;
  --kicker: #c6d89c;
  --accent: #e6c98c;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at 18% -8%, rgba(198, 216, 156, 0.16), transparent 32%),
    radial-gradient(circle at 86% 22%, rgba(230, 201, 140, 0.1), transparent 28%),
    linear-gradient(180deg, #121110 0%, #0b0a09 100%);
  color: var(--text);
  font-family:
    Inter,
    "Avenir Next",
    "SF Pro Text",
    "Segoe UI",
    sans-serif;
}

body {
  line-height: 1.6;
}

a {
  color: inherit;
}

.seo-shell {
  width: min(1120px, calc(100vw - 40px));
  margin: 0 auto;
  padding: 32px 0 64px;
}

.seo-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
}

.seo-home-link {
  border-color: rgba(198, 216, 156, 0.35);
}

.seo-nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.seo-link,
.seo-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(27, 25, 23, 0.75);
  color: var(--text);
  text-decoration: none;
  font-size: 0.96rem;
  font-weight: 600;
  transition: border-color 160ms ease, background-color 160ms ease, transform 160ms ease;
}

.seo-link:hover,
.seo-button:hover {
  border-color: rgba(198, 216, 156, 0.42);
  background: rgba(34, 31, 28, 0.88);
  transform: translateY(-1px);
}

.seo-button-primary {
  border-color: rgba(198, 216, 156, 0.5);
  background: linear-gradient(180deg, rgba(63, 69, 50, 0.92), rgba(47, 52, 39, 0.94));
}

.seo-hero,
.seo-section,
.seo-footer {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--bg-elevated);
  backdrop-filter: blur(18px);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

.seo-hero {
  padding: 44px;
}

.seo-kicker {
  margin: 0 0 12px;
  color: var(--kicker);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.seo-context {
  margin: 0 0 16px;
  max-width: 42rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.seo-title {
  margin: 0;
  max-width: 14ch;
  font-size: clamp(2.6rem, 5vw, 4.6rem);
  line-height: 0.98;
  font-weight: 800;
}

.seo-lead {
  margin: 20px 0 0;
  max-width: 60rem;
  color: var(--muted);
  font-size: 1.15rem;
}

.seo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.seo-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.95fr);
  gap: 24px;
  margin-top: 24px;
}

.seo-section,
.seo-footer {
  padding: 30px;
}

.seo-section h2,
.seo-footer h2 {
  margin: 0 0 12px;
  font-size: 1.45rem;
}

.seo-section p,
.seo-footer p,
.seo-section li,
.seo-footer li {
  color: var(--muted);
}

.seo-section strong,
.seo-footer strong {
  color: var(--text);
}

.seo-list {
  margin: 16px 0 0;
  padding-left: 1.1rem;
}

.seo-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.seo-mini-card {
  padding: 18px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(27, 25, 23, 0.65);
}

.seo-mini-card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.seo-note {
  margin-top: 18px;
  padding: 14px 16px;
  border-left: 3px solid rgba(198, 216, 156, 0.58);
  background: rgba(198, 216, 156, 0.08);
  border-radius: 14px;
}

.seo-footer {
  margin-top: 24px;
}

.seo-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin-top: 14px;
}

@media (max-width: 900px) {
  .seo-shell {
    width: min(100vw - 28px, 1120px);
    padding: 22px 0 42px;
  }

  .seo-hero {
    padding: 30px 22px;
  }

  .seo-section,
  .seo-footer {
    padding: 24px 20px;
  }

  .seo-grid {
    grid-template-columns: 1fr;
  }

  .seo-title {
    max-width: none;
  }
}