/* Horizon Fault Theme: tectonic strata, fault lines, ember accent */

:root {
  --slate: #1e1e1e;
  --slate-deep: #151515;
  --slate-light: #2a2a2a;
  --stone: #3a3a3a;
  --fog: #8a8a8a;
  --text: #e8e8e8;
  --text-dim: #a8a8a8;
  --ember: #d97706;
  --ember-glow: rgba(217, 119, 6, 0.35);
  --fault: rgba(217, 119, 6, 0.55);
  --fault-dim: rgba(107, 107, 107, 0.4);
  --bg: var(--slate-deep);
  --accent: var(--ember);
  --font-sans: system-ui, -apple-system, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

body {
  background-color: var(--bg);
  background-image:
    linear-gradient(165deg, var(--slate-light) 0%, var(--slate) 42%, var(--slate-deep) 100%),
    repeating-linear-gradient(
      -12deg,
      transparent,
      transparent 118px,
      var(--fault-dim) 118px,
      var(--fault-dim) 119px
    ),
    linear-gradient(90deg, transparent 49%, var(--ember-glow) 49.5%, var(--ember-glow) 50.5%, transparent 51%);
  background-size: 100% 100%, 100% 100%, 100% 100%;
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.6;
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.wrap {
  max-width: 940px;
  margin: 0 auto;
  padding: 0 1.75rem;
}

h1, h2, h3, h4 {
  color: var(--text);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

a {
  color: var(--ember);
  text-decoration: none;
}

a:hover {
  color: #f59e0b;
  text-decoration: underline;
}

.site-header {
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--fault);
  background: rgba(21, 21, 21, 0.92);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  letter-spacing: 0.02em;
}

.brand img { width: 34px; height: 34px; }

.site-nav {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.site-nav a {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.site-nav a[aria-current="page"] {
  color: var(--ember);
  border-bottom: 2px solid var(--ember);
}

.page-hero {
  padding: 4rem 0 2rem;
}

.eyebrow {
  color: var(--ember);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.72rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.page-title {
  font-size: clamp(2.4rem, 6vw, 3.5rem);
  margin: 0 0 1rem;
  max-width: 16ch;
}

.page-summary {
  font-size: 1.12rem;
  color: var(--text-dim);
  max-width: 40rem;
}

.fault-intro {
  margin: 2rem 0 1rem;
  font-size: 0.9rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.fault-section {
  margin: 2rem 0 4rem;
  border: 1px solid var(--fault-dim);
  background: rgba(58, 58, 58, 0.45);
  position: relative;
  overflow: hidden;
}

.fault-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 38%;
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, transparent, var(--ember) 20%, var(--ember) 80%, transparent);
  opacity: 0.7;
  transform: skewX(-8deg);
}

.fault-rift {
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--ember), transparent);
  margin: 0;
}

.fault-strata {
  list-style: none;
  padding: 0;
  margin: 0;
}

.fault-strata li {
  display: grid;
  grid-template-columns: 140px 120px 1fr;
  gap: 1rem;
  padding: 1.15rem 1.5rem;
  border-top: 1px solid var(--fault-dim);
  align-items: start;
}

.fault-strata li:first-child { border-top: none; }

.stratum-tag {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ember);
  font-weight: 600;
}

.stratum-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.stratum-read {
  font-size: 0.95rem;
  color: var(--text-dim);
}

.fault-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  padding: 1rem 1.5rem 1.25rem;
  border-top: 1px solid var(--fault);
  font-size: 0.78rem;
  color: var(--text-dim);
}

.fault-legend span::before {
  content: "▸ ";
  color: var(--ember);
}

.panel-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin: 3rem 0 5rem;
}

.fault-panel {
  padding: 1.5rem;
  border: 1px solid var(--fault-dim);
  background: rgba(42, 42, 42, 0.6);
  border-left: 3px solid var(--ember);
}

.fault-panel h2 {
  font-size: 1.2rem;
  margin: 0 0 0.75rem;
}

.fault-panel .excerpt {
  padding: 1rem 0;
  margin: 0.5rem 0 1rem;
  border-top: 1px solid var(--fault-dim);
  border-bottom: 1px solid var(--fault-dim);
  color: var(--text-dim);
}

.prose { margin-bottom: 5rem; }

.prose h2 {
  font-size: 1.65rem;
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--fault-dim);
}

.prose p { margin-bottom: 1.25rem; color: var(--text-dim); }

.prose p strong { color: var(--text); }

blockquote {
  margin: 2rem 0;
  padding: 1.25rem 1.5rem;
  border-left: 4px solid var(--ember);
  background: rgba(217, 119, 6, 0.08);
  color: var(--text);
  font-weight: 500;
}

.method-steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 2rem 0 4rem;
}

.method-steps li {
  counter-increment: step;
  padding: 1.25rem 1.25rem 1.25rem 3.5rem;
  border: 1px solid var(--fault-dim);
  margin-bottom: 0.65rem;
  position: relative;
  background: rgba(42, 42, 42, 0.5);
}

.method-steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 1rem;
  top: 1.1rem;
  color: var(--ember);
  font-weight: 700;
}

.method-steps h2 {
  font-size: 1.1rem;
  margin: 0 0 0.5rem;
  border: none;
  padding: 0;
}

.method-steps p { margin: 0; color: var(--text-dim); }

.archive-list {
  list-style: none;
  padding: 0;
  margin: 2rem 0 4rem;
}

.archive-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  border: 1px solid var(--fault-dim);
  margin-bottom: 0.65rem;
  background: rgba(42, 42, 42, 0.55);
}

.archive-info h3 { margin: 0 0 0.2rem; font-size: 1.05rem; }

.archive-meta {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.fact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0 2rem;
}

.fact {
  padding: 1rem;
  border: 1px solid var(--fault-dim);
  background: rgba(42, 42, 42, 0.5);
}

.fact b {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ember);
  margin-bottom: 0.35rem;
}

.status {
  display: inline-flex;
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--fault-dim);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.status.live {
  border-color: var(--ember);
  color: var(--ember);
}

.status.pending {
  border-color: var(--fog);
  color: var(--fog);
}

.button {
  display: inline-flex;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--ember);
  color: var(--text);
  font-size: 0.85rem;
  background: rgba(217, 119, 6, 0.12);
  font-weight: 600;
}

.transcript .speech {
  margin-bottom: 1.5rem;
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--fault-dim);
}

.transcript .speech.human { border-left-color: var(--ember); }
.transcript .speech.ai { border-left-color: var(--fog); }

.speaker {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0 0 0.5rem;
}

.hidden-origin { background: var(--slate); }

.hidden-origin .notice {
  padding: 1rem;
  border: 1px dashed var(--ember);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.site-footer {
  margin-top: auto;
  padding: 2.5rem 2rem;
  border-top: 1px solid var(--fault-dim);
  color: var(--text-dim);
  font-size: 0.75rem;
  background: rgba(21, 21, 21, 0.85);
}

.footer-inner {
  max-width: 940px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--ember);
  color: var(--slate-deep);
  padding: 0.75rem 1rem;
  z-index: 100;
  font-weight: 700;
}

.skip-link:focus { top: 0; }

@media (max-width: 720px) {
  .site-header { flex-direction: column; gap: 1rem; text-align: center; }
  .archive-item { flex-direction: column; align-items: flex-start; }
  .fault-strata li {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
}