:root {
  --felt: #0b5d3a;
  --felt-dark: #073824;
  --panel: rgba(12, 18, 16, 0.88);
  --panel-strong: #121917;
  --cream: #f7efd9;
  --muted: #c8bea5;
  --gold: #d7b46a;
  --gold-soft: rgba(215, 180, 106, 0.18);
  --line: rgba(247, 239, 217, 0.18);
  --danger: #d96666;
  --success: #78c58b;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --button-radius: 12px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--cream);
  background:
    radial-gradient(circle at top left, rgba(215, 180, 106, 0.18), transparent 30rem),
    radial-gradient(circle at bottom right, rgba(255, 255, 255, 0.08), transparent 24rem),
    linear-gradient(145deg, var(--felt), var(--felt-dark));
  line-height: 1.6;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(45deg, rgba(255,255,255,0.025) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255,255,255,0.025) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(255,255,255,0.025) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(255,255,255,0.025) 75%);
  background-size: 24px 24px;
  opacity: 0.5;
}

a { color: var(--gold); text-decoration: none; }
a:hover { text-decoration: underline; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 1000;
  padding: 0.75rem 1rem;
  background: var(--gold);
  color: #1b1302;
}
.skip-link:focus { left: 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(7, 24, 18, 0.86);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.nav-wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0.85rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 800;
  letter-spacing: 0;
  color: var(--cream);
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 2.1rem;
  height: 2.1rem;
  border: 1px solid var(--gold);
  border-radius: 0.55rem;
  background: linear-gradient(145deg, var(--gold-soft), rgba(255,255,255,0.04));
  color: var(--gold);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  font-size: 0.95rem;
}

.site-nav a {
  color: var(--muted);
}

.site-nav a[aria-current="page"], .site-nav a:hover {
  color: var(--cream);
  text-decoration: none;
}

.hero {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(3.5rem, 7vw, 7rem) 1rem 2.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  padding: 0.25rem 0.65rem;
  border: 1px solid rgba(215, 180, 106, 0.45);
  border-radius: 999px;
  color: var(--gold);
  background: rgba(0, 0, 0, 0.18);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1, h2, h3 { line-height: 1.15; }
h1 {
  margin: 1rem 0;
  font-size: clamp(2.35rem, 5vw, 4.85rem);
  letter-spacing: 0;
}

h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.55rem, 3vw, 2.35rem);
  letter-spacing: 0;
}

h3 {
  margin: 1.2rem 0 0.45rem;
  font-size: 1.2rem;
}

.lede {
  margin: 0 0 1.45rem;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  max-width: 64ch;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.35rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.75rem 1.05rem;
  border: 1px solid rgba(215, 180, 106, 0.45);
  border-radius: var(--button-radius);
  color: var(--cream);
  background: rgba(0, 0, 0, 0.24);
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(0,0,0,0.22);
}

.button.primary {
  color: #1b1302;
  background: linear-gradient(180deg, #f6d88a, #cba04a);
  border-color: #ffd98c;
}

.button:hover { transform: translateY(-1px); text-decoration: none; }

.download-pdf-button {
  width: auto;
}

.card-stage {
  position: relative;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1.5rem;
  background: rgba(0, 0, 0, 0.18);
  box-shadow: var(--shadow);
}

.card-image-slot {
  margin: 0;
  min-height: 320px;
  display: grid;
  place-items: center;
  border: 1px dashed rgba(247, 239, 217, 0.35);
  border-radius: 1rem;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.07), rgba(255,255,255,0.02)),
    rgba(0, 0, 0, 0.18);
  overflow: hidden;
}

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1rem 4rem;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 340px);
  gap: 1.4rem;
  align-items: start;
}

.article-card, .side-card, .feature-card, .callout {
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  background: var(--panel);
  box-shadow: 0 14px 36px rgba(0,0,0,0.22);
}

.article-card { padding: clamp(1.25rem, 3vw, 2rem); }
.side-card { padding: 1.1rem; position: sticky; top: 5.75rem; }
.callout { padding: 1.1rem; background: rgba(215, 180, 106, 0.12); }

.article-card p, .article-card li, .side-card p, .side-card li { color: var(--muted); }
.article-card section { padding: 1.2rem 0; border-top: 1px solid var(--line); }
.article-card section:first-of-type { border-top: 0; padding-top: 0; }

.toc {
  list-style: none;
  padding: 0;
  margin: 0;
}
.toc li { margin: 0.4rem 0; }
.toc a { color: var(--muted); }

.example-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  overflow: hidden;
  border-radius: 0.8rem;
}
.example-table th, .example-table td {
  border-bottom: 1px solid var(--line);
  padding: 0.75rem;
  text-align: left;
}
.example-table th { color: var(--cream); background: rgba(255,255,255,0.06); }
.example-table td { color: var(--muted); }

.inline-card-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0;
}

.mini-card {
  display: inline-grid;
  place-items: center;
  width: 3.4rem;
  height: 4.7rem;
  border-radius: 0.4rem;
  background: #fff9ea;
  color: #111;
  border: 2px solid rgba(0,0,0,0.2);
  font-weight: 900;
  box-shadow: 0 8px 18px rgba(0,0,0,0.25);
}
.mini-card.red { color: #b91c1c; }

.seo-card-hand {
  --seo-card-width: clamp(3.2rem, 8vw, 4.6rem);
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  padding: 0.75rem;
}

.seo-card-hand .seo-card {
  width: var(--seo-card-width);
  height: auto;
  border-radius: 0.34rem;
  background: #fff;
  box-shadow: 0 10px 22px rgba(0,0,0,0.32);
}

.seo-card-hand .seo-card + .seo-card {
  margin-left: calc(var(--seo-card-width) * -0.5);
}

.seo-card-hand.hero-hand .seo-card + .seo-card {
  margin-left: calc(var(--seo-card-width) * -0.75);
}

.seo-card-hand.side-by-side-hand .seo-card + .seo-card {
  margin-left: 0.75rem;
}

.hero-hand {
  --seo-card-width: clamp(4.8rem, 10.5vw, 6.9rem);
}

.compact-hand {
  --seo-card-width: clamp(3.35rem, 7vw, 4.75rem);
}

.mini-hand {
  --seo-card-width: clamp(2.4rem, 5vw, 3.15rem);
  justify-content: flex-start;
  padding-left: 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}
.feature-card { padding: 1rem; }
.feature-card h3 { margin-top: 0; }

.faq details {
  border-top: 1px solid var(--line);
  padding: 0.9rem 0;
}
.faq summary { cursor: pointer; font-weight: 800; }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 1rem;
  color: var(--muted);
  text-align: center;
  background: rgba(0,0,0,0.18);
}

@media (max-width: 860px) {
  .hero, .content-grid { grid-template-columns: 1fr; }
  .side-card { position: static; }
  .feature-grid { grid-template-columns: 1fr; }
  .site-nav { font-size: 0.86rem; }
  .nav-wrap { align-items: flex-start; flex-direction: column; }
  .card-image-slot { min-height: 250px; }
}