/* GK2 Guide — dark gothic cemetery / medieval grotesque chrome */
:root {
  color-scheme: dark;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Consolas, monospace;
  /* Soil / night */
  --bg: #100c0a;
  --bg-elev: #1a1410;
  --surface: #221a14;
  /* Bone parchment */
  --text: #e8dcc8;
  --muted: #a89880;
  /* Moss / grave stone */
  --border: #3a3024;
  --accent: #6b7a4a;
  --accent-hot: #c4a35a;
  /* Dried blood / candle */
  --blood: #8a3030;
  --blood-hot: #b84848;
  --candle: #d4a84b;
  --fog-purple: #4a3a55;
  --link: #c9a86c;
  --link-hover: #e8d09a;
  --verify-bg: #2e2610;
  --verify-text: #d4b85a;
  --coming: #7a6e60;
  --danger: #c08080;
  --radius: 8px;
  --wide: 1080px;
  --pad: 1.25rem;
  --header-h: 3.5rem;
  --shadow: 0 10px 36px rgba(0, 0, 0, 0.55);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text);
  background:
    radial-gradient(ellipse 120% 80% at 50% -20%, rgba(74, 58, 85, 0.35), transparent 55%),
    radial-gradient(ellipse 80% 50% at 100% 100%, rgba(107, 122, 74, 0.12), transparent 45%),
    linear-gradient(180deg, #140f0c 0%, var(--bg) 40%, #0c0908 100%);
  background-attachment: fixed;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* subtle soil grain */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

body > * { position: relative; z-index: 1; }

a { color: var(--link); text-underline-offset: 0.15em; }
a:hover { color: var(--link-hover); }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 0.75rem; top: -3rem; z-index: 100;
  padding: 0.5rem 0.85rem; background: var(--candle); color: #1a1008;
  font-weight: 700; text-decoration: none; border-radius: 4px;
}
.skip-link:focus { top: 0.75rem; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(16, 12, 10, 0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
}
.header-inner {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0.75rem var(--pad);
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
}
.brand {
  display: inline-flex; align-items: center; gap: 0.55rem;
  text-decoration: none; color: var(--text); font-weight: 700;
}
.brand-mark {
  display: inline-grid; place-items: center;
  width: 2.15rem; height: 2.15rem; border-radius: 6px;
  overflow: hidden;
  background: linear-gradient(145deg, #4a3020, #1a100c);
  color: var(--candle); font-size: 0.68rem; letter-spacing: 0.02em;
  border: 1px solid #5a4030;
}
.brand-mark img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.brand-name { font-size: 1.05rem; }

.primary-nav {
  display: flex; flex-wrap: wrap; gap: 0.35rem 1rem;
  margin-left: auto;
}
.primary-nav a {
  color: var(--muted); text-decoration: none; font-weight: 600; font-size: 0.95rem;
}
.primary-nav a:hover, .primary-nav a.is-active { color: var(--candle); }

/* Checkbox kept visually hidden (not display:none) so :checked ~ .primary-nav works */
.nav-toggle {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
  opacity: 0;
}
.nav-toggle-btn {
  display: none;
  margin-left: auto;
  cursor: pointer;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.nav-toggle-btn span,
.nav-toggle-btn span::before,
.nav-toggle-btn span::after {
  display: block;
  width: 1.15rem;
  height: 2px;
  background: var(--candle);
  border-radius: 1px;
  position: relative;
}
.nav-toggle-btn span::before,
.nav-toggle-btn span::after {
  content: "";
  position: absolute;
  left: 0;
}
.nav-toggle-btn span::before { top: -6px; }
.nav-toggle-btn span::after { top: 6px; }

main {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 1.25rem var(--pad) 3rem;
}

.version-stamp {
  font-size: 0.88rem;
  color: var(--verify-text);
  background: var(--verify-bg);
  border: 1px solid #5a4a1a;
  border-radius: var(--radius);
  padding: 0.65rem 0.9rem;
  margin: 0 0 1.25rem;
}

.breadcrumbs ol {
  list-style: none; padding: 0; margin: 0 0 1rem;
  display: flex; flex-wrap: wrap; gap: 0.35rem; font-size: 0.9rem; color: var(--muted);
}
.breadcrumbs li:not(:last-child)::after {
  content: "/"; margin-left: 0.35rem; color: var(--border);
}
.breadcrumbs a { color: var(--muted); text-decoration: none; }
.breadcrumbs a:hover { color: var(--link); }

/* —— Home hero with scene image —— */
.hero {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 2rem;
  box-shadow: var(--shadow);
  overflow: hidden;
  min-height: 280px;
  display: grid;
  align-items: end;
}
.hero-media {
  position: absolute; inset: 0;
  z-index: 0;
}
.hero-media img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center 40%;
  display: block;
}
.hero-media::after {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(105deg, rgba(12, 8, 6, 0.92) 0%, rgba(12, 8, 6, 0.78) 42%, rgba(12, 8, 6, 0.45) 100%),
    linear-gradient(0deg, rgba(12, 8, 6, 0.75) 0%, transparent 55%);
}
.hero-copy {
  position: relative; z-index: 1;
  padding: 1.75rem 1.5rem;
  max-width: 38rem;
}
.kicker {
  text-transform: uppercase; letter-spacing: 0.06em;
  font-size: 0.78rem; color: var(--candle); font-weight: 700; margin: 0 0 0.5rem;
}
.hero h1 { margin: 0 0 0.75rem; font-size: clamp(1.45rem, 3vw, 2rem); line-height: 1.25; color: #f2e8d8; }
.lede { color: #c8b89a; margin: 0 0 1.25rem; max-width: 60ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.65rem; }

.btn {
  display: inline-block; padding: 0.55rem 1rem; border-radius: 6px;
  font-weight: 700; text-decoration: none; font-size: 0.95rem;
}
.btn-primary { background: var(--blood); color: #f5e8e0; }
.btn-primary:hover { background: var(--blood-hot); color: #fff; }
.btn-secondary {
  background: rgba(20, 14, 10, 0.55); color: var(--candle);
  border: 1px solid #5a4830;
}
.btn-secondary:hover { border-color: var(--candle); color: var(--link-hover); }

.hub-section, .start-here { margin-bottom: 2rem; }
.hub-section h2, .start-here h2 {
  font-size: 1.15rem; margin: 0 0 0.85rem;
  color: var(--candle); letter-spacing: 0.02em;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.85rem;
}
.card {
  display: block; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 0;
  text-decoration: none; color: inherit; transition: border-color 0.15s, transform 0.15s;
  overflow: hidden;
}
a.card:hover { border-color: var(--candle); transform: translateY(-1px); }
.card-thumb {
  display: block; aspect-ratio: 16 / 9; overflow: hidden;
  background: #0a0806;
}
.card-thumb img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.card-body {
  display: block;
  padding: 1rem 1.15rem 1.15rem; /* L/R symmetric inset; image stays flush via .card-thumb */
}
.card h3 { margin: 0 0 0.4rem; font-size: 1.05rem; color: var(--text); }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.card-start {
  background: linear-gradient(145deg, #2a1e14, #1a1410);
  border-color: #5a4030;
}
.card-start .card-body { padding: 1rem 1.15rem 1.2rem; }
.card-coming { opacity: 0.85; border-style: dashed; }
.card-coming .card-body { padding: 1rem 1.15rem 1.15rem; }
.card-coming h3 { color: var(--muted); }

/* —— Guide scene figure —— */
.scene-figure {
  margin: 0 0 1.5rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: #0a0806;
  box-shadow: var(--shadow);
}
.scene-figure img {
  width: 100%; height: auto; max-height: 420px;
  object-fit: cover; object-position: center;
  display: block;
}
.scene-figure figcaption {
  margin: 0;
  padding: 0.65rem 0.95rem;
  font-size: 0.88rem;
  color: var(--muted);
  background: var(--bg-elev);
  border-top: 1px solid var(--border);
}

.guide-body h1 {
  font-size: clamp(1.4rem, 2.8vw, 1.85rem);
  line-height: 1.25; margin: 0 0 1rem;
  color: #f0e4d0;
}
.guide-body h2 {
  margin: 2rem 0 0.75rem; font-size: 1.25rem;
  border-bottom: 1px solid var(--border); padding-bottom: 0.35rem;
  color: var(--candle);
}
.guide-body h3 { margin: 1.35rem 0 0.5rem; font-size: 1.08rem; color: #dcc8a8; }
.guide-body p, .guide-body li { max-width: 68ch; }
.guide-body ul, .guide-body ol { padding-left: 1.25rem; }
.guide-body blockquote {
  margin: 1rem 0; padding: 0.75rem 1rem;
  border-left: 3px solid var(--blood);
  background: var(--bg-elev); color: var(--muted); border-radius: 0 6px 6px 0;
}
.guide-body pre {
  overflow-x: auto; background: #0a0806; border: 1px solid var(--border);
  border-radius: 6px; padding: 0.85rem 1rem; font-family: var(--mono); font-size: 0.88rem;
}
.guide-body code {
  font-family: var(--mono); font-size: 0.9em;
  background: var(--bg-elev); padding: 0.1em 0.35em; border-radius: 3px;
}
.guide-body pre code { background: none; padding: 0; }

.guide-body table {
  width: 100%; border-collapse: collapse; margin: 1rem 0 1.5rem;
  font-size: 0.95rem; display: block; overflow-x: auto;
}
.guide-body th, .guide-body td {
  border: 1px solid var(--border); padding: 0.55rem 0.7rem;
  text-align: left; vertical-align: top;
}
.guide-body th { background: var(--bg-elev); color: var(--candle); }
.guide-body tr:nth-child(even) td { background: rgba(255,255,255,0.02); }

mark.verify {
  background: var(--verify-bg); color: var(--verify-text);
  padding: 0.05em 0.35em; border-radius: 3px; font-weight: 700;
  font-size: 0.92em;
}

.coming-soon {
  color: var(--coming); font-style: italic;
}

.related {
  margin-top: 2.5rem; padding: 1.15rem 1.25rem;
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius);
}
.related h2 { margin: 0 0 0.65rem; font-size: 1.1rem; color: var(--candle); }
.related ul { margin: 0; padding-left: 1.2rem; }
.related li { margin: 0.35rem 0; }

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-elev);
  margin-top: auto;
}
.footer-inner {
  max-width: var(--wide); margin: 0 auto;
  padding: 1.5rem var(--pad) 2rem;
  color: var(--muted); font-size: 0.92rem;
}
.footer-stamp { color: var(--verify-text); font-size: 0.88rem; }
.footer-disclaimer { max-width: 70ch; }
.footer-media { max-width: 70ch; font-size: 0.85rem; color: #8a7a68; }
.footer-links a, .footer-ref a { color: var(--link); }

.utility h1 { margin-top: 0; }

@media (max-width: 720px) {
  /* wrap so open nav can sit on a full-width row under brand|burger */
  .header-inner {
    flex-wrap: wrap;
    align-items: center;
  }
  .brand {
    flex: 0 1 auto;
    min-width: 0;
  }
  .nav-toggle-btn {
    display: inline-flex;
    margin-left: auto;
  }
  .primary-nav {
    display: none;
    order: 3; /* after brand + burger on the flex line */
    flex-direction: column;
    flex-basis: 100%;
    width: 100%;
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
    gap: 0;
    padding: 0.35rem 0 0.5rem;
    border-top: 1px solid var(--border);
    background: var(--bg-elev);
    border-radius: 0 0 var(--radius) var(--radius);
  }
  .primary-nav a {
    display: block;
    width: 100%;
    padding: 0.85rem var(--pad);
    border-bottom: 1px solid var(--border);
  }
  .primary-nav a:last-child {
    border-bottom: none;
  }
  #nav-toggle:checked ~ .primary-nav {
    display: flex;
  }
  .hero-copy { padding: 1.25rem 1rem; }
  .hero { min-height: 220px; }
  .scene-figure img { max-height: 260px; }
}