/* Project deep-dive pages. Same warm dark palette as the landing (home.css),
   minimal single column. Includes compatibility aliases (--indigo, --surface,
   --border, ...) so the existing interactive + blueprint CSS inherits the new
   colors instead of referencing the retired style.css. Dark only. */

:root {
  --bg: #141210;
  --bg-soft: #1d1915;
  --surface: #1d1915;
  --line: #2a2620;
  --border: #2a2620;
  --border-soft: #231f1a;
  --text: #a69c8c;
  --text-dim: #6e6558;
  --head: #ece6da;
  --text-strong: #ece6da;
  --accent: #d9b382;
  --indigo: #d9b382;
  --accent-soft: rgba(217, 179, 130, 0.12);
  --tag-bg: rgba(217, 179, 130, 0.08);
  --sel: rgba(217, 179, 130, 0.2);
  --radius: 14px;
  --radius-sm: 10px;
  --glow: 0 0 30px rgba(217, 179, 130, 0.14);
  --grad: linear-gradient(120deg, #d9b382, #b98a4e);
  --border-strong: #3a342b;
  --ok: #86c98a;
  --warn: #e0b877;
  --bad: #e0857a;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --maxw: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--sel); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.pwrap { max-width: var(--maxw); margin: 0 auto; padding: 40px 24px 96px; }

.back { font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-dim); font-weight: 600; }
.back:hover { color: var(--head); text-decoration: none; }

.phero { margin: 48px 0 0; }
.phero h1 { font-size: 2.4rem; font-weight: 800; letter-spacing: -0.02em; color: var(--head); margin: 0; }
.phero h1 .gh { display: inline-flex; vertical-align: middle; margin-left: 14px; color: var(--text-dim); }
.phero h1 .gh:hover { color: var(--accent); }
.phero h1 .gh svg { width: 0.62em; height: 0.62em; }
.ptag { margin: 12px 0 0; font-size: 1.1rem; max-width: 680px; }
.pstats { display: flex; flex-wrap: wrap; gap: 28px; margin: 26px 0 0; padding: 0; list-style: none; }
.pstats li { font-size: 0.9rem; color: var(--text-dim); }
.pstats b { display: block; font-family: var(--mono); font-size: 1.35rem; font-weight: 600; color: var(--head); letter-spacing: -0.01em; }
.plinks { margin: 24px 0 0; display: flex; gap: 20px; font-weight: 500; }

.psec { margin: 72px 0 0; scroll-margin-top: 24px; }
.psec > h2 { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--head); font-weight: 700; margin: 0 0 20px; }

.panel { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }

.notes { display: grid; gap: 14px; }
.note { border-left: 2px solid var(--accent); padding: 2px 0 2px 18px; max-width: 720px; }
.note b { color: var(--head); font-weight: 600; }
.note p { margin: 4px 0 0; font-size: 0.95rem; }

.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 0; list-style: none; padding: 0; }
.tags li { font-family: var(--mono); font-size: 0.7rem; color: var(--accent); background: var(--tag-bg); padding: 4px 11px; border-radius: 999px; }

.pfoot { margin: 80px 0 0; font-size: 0.84rem; color: var(--text-dim); }
.pfoot a { color: var(--text); }

@keyframes riseIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
.reveal { animation: riseIn 0.55s ease both; }
@media (prefers-reduced-motion: reduce) { .reveal { animation: none; } html { scroll-behavior: auto; } }