/* World Config — GitHub Pages site (matches banner.svg palette) */
:root {
  --bg-deep: #060a18;
  --bg-mid: #0c1230;
  --bg-card: #121830;
  --border: #3d4f82;
  --accent: #5a73b4;
  --accent-bright: #9cb4ff;
  --gold: #ffd86a;
  --gold-dim: #e08820;
  --green: #7ad36a;
  --text: #d8e2ff;
  --text-muted: #8aa0d0;
  --warn: #f0a23a;
  --danger: #c44a18;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: Consolas, "Cascadia Mono", monospace;
  --radius: 12px;
  --header-h: 64px;
  --max-w: 1100px;
}

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

html {
  scroll-behavior: smooth;
  background: var(--bg-deep);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.55;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(ellipse 80% 50% at 15% 10%, rgba(61, 90, 158, 0.25), transparent),
    radial-gradient(ellipse 60% 40% at 90% 5%, rgba(107, 61, 142, 0.2), transparent),
    linear-gradient(180deg, var(--bg-deep), var(--bg-mid) 40%, #1a0f32);
}

a { color: var(--accent-bright); }
a:hover { color: var(--gold); }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: 0.5rem 1rem;
  background: var(--gold);
  color: #000;
  z-index: 9999;
}
.skip-link:focus { left: 0; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 10, 24, 0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
}

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.25rem;
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--gold);
  font-weight: 800;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.brand-mark {
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #2a3868, #1a2248);
  border: 1px solid var(--accent);
  border-radius: 6px;
  font-size: 1.1rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.75rem;
  margin-left: auto;
}

.site-nav a {
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 0.35rem 0.5rem;
  border-radius: 6px;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--gold);
  background: rgba(90, 115, 180, 0.2);
}

.nav-toggle {
  display: none;
  margin-left: auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  cursor: pointer;
}

/* Main */
.site-main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

.page { display: none; animation: fadeIn 0.25s ease; }
.page.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

.page-head { margin-bottom: 2rem; }
.page-head h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  background: linear-gradient(180deg, #fff4c8, var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.subtitle { color: var(--text-muted); margin: 0; font-size: 1.05rem; }

/* Hero */
.hero {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.hero-banner {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 2px solid var(--border);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

.hero-copy h1 {
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  line-height: 1.25;
  margin: 0.5rem 0 1rem;
}

.hero-copy h1 em { color: var(--gold); font-style: normal; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: var(--accent);
  margin: 0;
}

.lead { font-size: 1.1rem; color: var(--text-muted); max-width: 52ch; }

.hero-cta { display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 1.25rem 0; }

.btn {
  display: inline-block;
  padding: 0.65rem 1.25rem;
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
  font-size: 0.95rem;
}

.btn-primary {
  background: linear-gradient(180deg, #ffe7a8, var(--gold-dim));
  color: #2a1808;
  border: 2px solid #4a2808;
}

.btn-ghost {
  border: 1px solid var(--accent);
  color: var(--accent-bright);
  background: var(--bg-card);
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.hero-stats strong { color: var(--green); font-size: 1.1rem; }

/* Cards */
.card-grid {
  display: grid;
  gap: 1.25rem;
}
.card-grid.three { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card-grid.two { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
}

.card h2 { margin-top: 0; font-size: 1.15rem; color: var(--accent-bright); }
.card h3 { font-size: 1rem; color: var(--text-muted); }

/* Steps */
.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
}

.steps li {
  position: relative;
  padding: 1rem 0 1rem 3.5rem;
  border-bottom: 1px solid rgba(61, 79, 130, 0.4);
}

.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 1rem;
  width: 2.25rem;
  height: 2.25rem;
  display: grid;
  place-items: center;
  background: #2a3868;
  border: 2px solid var(--gold);
  border-radius: 50%;
  font-weight: 800;
  color: var(--gold);
  font-size: 0.95rem;
}

.steps h3 { margin: 0 0 0.35rem; color: var(--text); }

.pill {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
}
.pill.on { background: #143d28; color: var(--green); border: 1px solid var(--green); }

/* Callouts */
.callout {
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  border-left: 4px solid var(--accent);
  background: rgba(18, 24, 48, 0.9);
  margin: 1.5rem 0;
}

.callout.warn { border-color: var(--warn); }
.callout.tip { border-color: var(--green); }

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 1rem 0 2rem;
}

.data-table th,
.data-table td {
  border: 1px solid var(--border);
  padding: 0.55rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

.data-table th {
  background: #1a2248;
  color: var(--accent-bright);
  font-weight: 700;
}

.data-table tr:nth-child(even) td { background: rgba(12, 16, 36, 0.6); }

.data-table.compact { font-size: 0.85rem; }

.feature-group { margin-bottom: 2.5rem; }
.feature-group h2 {
  font-size: 1.2rem;
  color: var(--accent-bright);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
}

/* Ores */
.search-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.search-row input {
  flex: 1;
  min-width: 200px;
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  font-family: var(--font);
}

.ore-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.75rem;
}

.ore-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
}

.ore-card.dim { opacity: 0.65; }
.ore-card h3 { margin: 0 0 0.25rem; font-size: 1rem; }
.ore-card .phase { font-size: 0.8rem; color: var(--accent); }
.ore-card .note { font-size: 0.8rem; color: var(--text-muted); margin: 0.35rem 0 0; }

/* Code */
code, .code-block {
  font-family: var(--mono);
  font-size: 0.88em;
}

code {
  background: rgba(12, 16, 36, 0.8);
  padding: 0.1em 0.35em;
  border-radius: 4px;
  color: var(--gold);
}

.code-block, .diagram {
  background: #0a0e1c;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  overflow-x: auto;
  margin: 0.75rem 0;
}

.plain-list { padding-left: 1.25rem; }
.plain-list li { margin: 0.35rem 0; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 1.25rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  max-width: var(--max-w);
  margin: 0 auto;
}

.site-footer p { margin: 0.35rem 0; }

/* Mobile nav */
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .site-nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg-deep);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.25rem;
  }
  .site-nav.open { display: flex; }
  .header-inner { position: relative; flex-wrap: wrap; }
}