html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body, Inter, Arial, sans-serif);
  color: var(--color-text, #17130f);
  background: var(--color-bg, #fffaf3);
  text-wrap: pretty;
}

a {
  color: var(--color-accent-700, #9b3d22);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

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

.seo-topbar {
  background: var(--color-text, #17130f);
  color: var(--color-bg, #fffaf3);
  padding: 9px 0;
  font-size: 13px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.seo-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--color-bg, #fffaf3) 94%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid color-mix(in srgb, var(--color-text, #17130f) 12%, transparent);
}

.seo-nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.seo-logo {
  display: block;
  width: clamp(178px, 22vw, 260px);
  height: 42px;
  object-fit: cover;
  object-position: center;
}

.seo-navlinks {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: flex-end;
  font-size: 15px;
}

.seo-btn {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-text, #17130f);
  border-radius: 8px;
  background: var(--color-text, #17130f);
  color: var(--color-bg, #fffaf3);
  padding: 0 18px;
  font-family: var(--font-heading, Georgia, serif);
  font-weight: var(--font-heading-weight, 700);
  text-decoration: none;
}

.seo-btn.secondary {
  background: var(--color-accent-2, #0f766e);
  border-color: var(--color-accent-2, #0f766e);
}

.seo-hero {
  padding: clamp(58px, 8vw, 104px) 0 52px;
  display: grid;
  gap: 24px;
}

.seo-kicker {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text, #17130f) 68%, transparent);
}

.seo-hero h1,
.seo-section h2 {
  margin: 0;
  font-family: var(--font-heading, Georgia, serif);
  font-weight: var(--font-heading-weight, 700);
  line-height: 1.08;
  letter-spacing: 0;
}

.seo-hero h1 {
  max-width: 13ch;
  font-size: clamp(44px, 7vw, 82px);
}

.seo-hero p {
  max-width: 64ch;
  margin: 0;
  font-size: 19px;
  line-height: 1.7;
  color: color-mix(in srgb, var(--color-text, #17130f) 82%, transparent);
}

.seo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.seo-rule {
  height: 0;
  border: 0;
  border-top: 1px solid var(--color-text, #17130f);
  margin: 0;
}

.seo-section {
  padding: 56px 0;
}

.seo-section h2 {
  max-width: 20ch;
  font-size: clamp(30px, 4vw, 50px);
}

.seo-section > p {
  max-width: 72ch;
  margin: 22px 0 0;
  font-size: 17px;
  line-height: 1.75;
  color: color-mix(in srgb, var(--color-text, #17130f) 82%, transparent);
}

.seo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(245px, 1fr));
  gap: 22px;
  margin-top: 34px;
}

.seo-card {
  border: 1px solid color-mix(in srgb, var(--color-text, #17130f) 16%, transparent);
  border-radius: 8px;
  background: color-mix(in srgb, var(--color-bg, #fffaf3) 88%, white);
  padding: 22px;
  display: grid;
  gap: 10px;
}

.seo-card h3 {
  margin: 0;
  font-family: var(--font-heading, Georgia, serif);
  font-size: 24px;
  line-height: 1.2;
}

.seo-card p,
.seo-card li {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: color-mix(in srgb, var(--color-text, #17130f) 80%, transparent);
}

.seo-card ul {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 8px;
}

.seo-split {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: clamp(26px, 5vw, 64px);
  align-items: start;
}

.seo-note {
  border-left: 4px solid var(--color-accent-2, #0f766e);
}

.seo-footer {
  padding: 34px 0 72px;
  font-size: 14px;
  line-height: 1.8;
  color: color-mix(in srgb, var(--color-text, #17130f) 72%, transparent);
}

.seo-footer p {
  margin: 0 0 8px;
}

@media (max-width: 760px) {
  .seo-shell {
    width: min(100% - 32px, 1120px);
  }

  .seo-nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .seo-navlinks {
    justify-content: flex-start;
    gap: 12px;
  }

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