:root {
  --seo-bg: #0a0908;
  --seo-surface: #12100e;
  --seo-surface-raised: #191511;
  --seo-text: #f1ede7;
  --seo-muted: #b7aea5;
  --seo-dim: #8d837a;
  --seo-copper: #d58a51;
  --seo-gold: #d8bd78;
  --seo-border: rgba(213, 138, 81, 0.28);
  --seo-focus: #ffd28f;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { background: var(--seo-bg); scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 18% 0%, rgba(213, 138, 81, 0.09), transparent 34rem),
    var(--seo-bg);
  color: var(--seo-text);
  font: 400 16px/1.7 Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--seo-gold); text-underline-offset: .2em; }
a:hover { color: #f0dca7; }
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--seo-focus);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 8px;
  left: 8px;
  transform: translateY(-160%);
  padding: 10px 14px;
  background: var(--seo-focus);
  color: #21170e;
  font-weight: 700;
}
.skip-link:focus { transform: none; }

.seo-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid var(--seo-border);
  background: rgba(10, 9, 8, 0.94);
  backdrop-filter: blur(14px);
}
.seo-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 12px clamp(16px, 4vw, 32px);
}
.seo-brand {
  color: var(--seo-copper);
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.15rem;
  font-weight: 700;
  text-decoration: none;
}
.seo-nav-links { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.seo-nav-links a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 8px 10px;
  color: var(--seo-muted);
  text-decoration: none;
}
.seo-nav-links a[aria-current="page"], .seo-nav-links a:hover { color: var(--seo-text); }

.seo-main { width: min(1180px, 100%); margin: 0 auto; padding: clamp(28px, 6vw, 72px) clamp(16px, 4vw, 32px); }
.seo-prose { max-width: 74ch; margin-inline: auto; }
.seo-hero { margin-bottom: clamp(32px, 6vw, 64px); }
.seo-kicker { color: var(--seo-copper); font-size: .78rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
h1, h2, h3 { color: var(--seo-text); font-family: "Playfair Display", Georgia, serif; line-height: 1.2; text-wrap: balance; }
h1 { margin: 12px 0 18px; font-size: clamp(2rem, 6vw, 4.25rem); }
h2 { margin: 2.4em 0 .65em; font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { margin: 1.8em 0 .5em; font-size: 1.25rem; }
p, li { color: var(--seo-muted); }
.seo-lead { max-width: 65ch; color: #d6cec7; font-size: clamp(1.05rem, 2vw, 1.25rem); }
.seo-meta { color: var(--seo-dim); font-size: .9rem; }

.seo-breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 28px; padding: 0; list-style: none; }
.seo-breadcrumbs li { color: var(--seo-dim); font-size: .88rem; }
.seo-breadcrumbs li + li::before { content: "/"; margin-right: 6px; color: #685f58; }

.seo-toc, .seo-callout, .seo-card {
  border: 1px solid var(--seo-border);
  border-radius: 14px;
  background: linear-gradient(145deg, rgba(25, 21, 17, .94), rgba(15, 13, 11, .94));
}
.seo-toc, .seo-callout { margin: 28px 0; padding: clamp(18px, 4vw, 28px); }
.seo-toc strong { color: var(--seo-text); }
.seo-toc ul { margin-bottom: 0; }
.seo-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr)); gap: 16px; }
.seo-card { padding: 22px; }
.seo-card h2, .seo-card h3 { margin-top: 0; }
.seo-card a { display: inline-flex; min-height: 44px; align-items: center; }
.seo-tag { display: inline-flex; margin: 0 6px 6px 0; padding: 4px 9px; border: 1px solid var(--seo-border); border-radius: 999px; color: var(--seo-copper); font-size: .78rem; }

.seo-cta { margin: 52px 0 20px; padding: clamp(24px, 5vw, 42px); text-align: center; }
.seo-button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border: 1px solid #e6aa70;
  border-radius: 9px;
  background: var(--seo-copper);
  color: #1a1008;
  font-weight: 800;
  text-decoration: none;
}
.seo-button:hover { background: #e5a26b; color: #140c06; }

.seo-footer { border-top: 1px solid var(--seo-border); padding: 32px 16px; text-align: center; }
.seo-footer nav { display: flex; justify-content: center; gap: 8px 18px; flex-wrap: wrap; }
.seo-footer a { display: inline-flex; min-height: 44px; align-items: center; color: var(--seo-muted); }
.seo-footer p { color: var(--seo-dim); font-size: .85rem; }

img { max-width: 100%; height: auto; }
.seo-cover { display: block; width: 100%; margin: 24px 0 36px; border: 1px solid var(--seo-border); border-radius: 14px; object-fit: cover; aspect-ratio: 16 / 9; }

@media (max-width: 720px) {
  .seo-nav { align-items: flex-start; flex-direction: column; }
  .seo-nav-links { width: 100%; }
  .seo-nav-links a { padding-inline: 6px; }
  .seo-main { padding-top: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}