/* LavStand engineering log - linear-style technical aesthetic */

:root {
  --bg: #f4f5f7;
  --bg-card: #ffffff;
  --bg-hero: #1a1d23;
  --fg: #1a1d23;
  --fg-muted: #5b6470;
  --fg-soft: #8a929c;
  --rule: #e2e5ea;
  --rule-strong: #c9cfd6;
  --accent: #3a52d6;
  --pill-ref-bg: #f0f1f4;
  --pill-ref-fg: #5b6470;
  --pill-locked-bg: #e6f0ff;
  --pill-locked-fg: #1d3fb8;
  --pill-backlog-bg: #fff4d9;
  --pill-backlog-fg: #8a5a00;
  --mono: "SF Mono", "JetBrains Mono", "Fira Code", "Menlo", "Consolas", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

code {
  font-family: var(--mono);
  font-size: 0.9em;
  background: var(--rule);
  padding: 1px 5px;
  border-radius: 3px;
  color: var(--fg);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ============== HERO ============== */
.hero {
  background: var(--bg-hero);
  color: #f4f5f7;
  padding: 80px 0 48px;
  border-bottom: 1px solid #2a2e36;
}
.hero .eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: #8a929c;
  margin-bottom: 16px;
}
.hero h1 {
  font-family: var(--mono);
  font-size: 56px;
  font-weight: 600;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}
.hero .tagline {
  font-size: 19px;
  color: #b8bfc8;
  margin: 0 0 32px;
  max-width: 640px;
}
.hero .anchors {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.hero .anchors a {
  font-family: var(--mono);
  font-size: 13px;
  color: #b8bfc8;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 6px 14px;
  border-radius: 4px;
  transition: all 0.15s;
}
.hero .anchors a:hover {
  background: rgba(255,255,255,0.12);
  color: #fff;
  text-decoration: none;
}

/* ============== VARIANT ============== */
.variant {
  background: var(--bg-card);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 32px;
  margin: 32px 0;
  scroll-margin-top: 24px;
}

.variant-head {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding-bottom: 20px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--rule);
}
.variant-id {
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 700;
  color: var(--fg);
  background: var(--rule);
  padding: 4px 14px;
  border-radius: 4px;
  letter-spacing: -0.02em;
}
.variant-head h2 {
  font-family: var(--sans);
  font-size: 22px;
  font-weight: 600;
  margin: 0;
  flex: 1;
  min-width: 280px;
}
.pill {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 6px 12px;
  border-radius: 4px;
  white-space: nowrap;
}
.pill-ref { background: var(--pill-ref-bg); color: var(--pill-ref-fg); }
.pill-locked { background: var(--pill-locked-bg); color: var(--pill-locked-fg); }
.pill-backlog { background: var(--pill-backlog-bg); color: var(--pill-backlog-fg); }

.mode-head {
  font-family: var(--mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-muted);
  margin: 24px 0 12px;
  padding-bottom: 6px;
  border-bottom: 1px dashed var(--rule);
}

/* ============== RENDERS ============== */
.renders {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}
.renders figure {
  margin: 0;
  background: #fafbfc;
  border: 1px solid var(--rule);
  border-radius: 6px;
  overflow: hidden;
}
.renders img {
  display: block;
  width: 100%;
  height: auto;
  background: #fff;
}
.renders figcaption {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
  padding: 8px 12px;
  border-top: 1px solid var(--rule);
  background: #fff;
}

.renders-pending {
  grid-template-columns: repeat(3, 1fr);
}
.placeholder {
  background: repeating-linear-gradient(
    45deg,
    #f0f2f5,
    #f0f2f5 10px,
    #fafbfc 10px,
    #fafbfc 20px
  );
  border: 1px dashed var(--rule-strong);
  border-radius: 6px;
  aspect-ratio: 1 / 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
}
.placeholder-label {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--fg-muted);
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}
.placeholder-sub {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-soft);
}

/* ============== GRID / CARDS ============== */
.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.card {
  background: #fafbfc;
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 20px 22px;
}
.card-wide { grid-column: 1 / -1; }
.card h3 {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
}
.card h3:not(:first-child) {
  margin-top: 22px;
}
.card p {
  margin: 0 0 12px;
  color: var(--fg);
}
.card p:last-child { margin-bottom: 0; }

/* ============== TABLE ============== */
table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 12.5px;
}
thead th {
  text-align: left;
  font-weight: 600;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 10.5px;
  padding: 6px 10px 8px 0;
  border-bottom: 1px solid var(--rule-strong);
}
tbody td {
  padding: 6px 10px 6px 0;
  border-bottom: 1px solid var(--rule);
  color: var(--fg);
  vertical-align: top;
}
tbody td:first-child { color: var(--accent); font-weight: 500; }
tbody tr:last-child td { border-bottom: none; }

/* ============== LISTS ============== */
.specs, .files {
  list-style: none;
  padding: 0;
  margin: 0;
  font-family: var(--mono);
  font-size: 13px;
}
.specs li, .files li {
  padding: 5px 0;
  border-bottom: 1px solid var(--rule);
  color: var(--fg);
}
.specs li:last-child, .files li:last-child { border-bottom: none; }
.specs strong {
  display: inline-block;
  min-width: 120px;
  color: var(--fg-muted);
  font-weight: 500;
}

/* ============== DECISION LOG ============== */
.decision-log {
  background: var(--bg-card);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 32px;
  margin: 32px 0;
  scroll-margin-top: 24px;
}
.decision-log h2 {
  font-family: var(--mono);
  font-size: 18px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--rule);
}
.decisions {
  list-style: none;
  padding: 0;
  margin: 0;
}
.decisions li {
  font-family: var(--mono);
  font-size: 13px;
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
  color: var(--fg);
  line-height: 1.6;
}
.decisions li:last-child { border-bottom: none; }
.d-date {
  display: inline-block;
  color: var(--accent);
  font-weight: 600;
  margin-right: 14px;
  min-width: 92px;
}

/* ============== FOOTER ============== */
.site-foot {
  margin-top: 64px;
  padding: 32px 0;
  border-top: 1px solid var(--rule);
  background: var(--bg-card);
}
.site-foot p {
  font-size: 13px;
  color: var(--fg-muted);
  margin: 4px 0;
}
.mono { font-family: var(--mono); }

/* ============== RESPONSIVE ============== */
@media (max-width: 900px) {
  .hero h1 { font-size: 40px; }
  .hero { padding: 56px 0 36px; }
  .grid { grid-template-columns: 1fr; }
  .renders { grid-template-columns: 1fr; }
  .renders-pending { grid-template-columns: 1fr; }
  .variant { padding: 22px; }
  .container { padding: 0 20px; }
}