/* The Way of the Compacted — contemplative dark theme. Dependency-free. */

:root {
  --bg: #0b0b10;
  --bg2: #101016;
  --ink: #e9e4d8;
  --muted: #a39c8b;
  --faint: #6e695e;
  --accent: #d4a24e;
  --accent-dim: rgba(212, 162, 78, 0.14);
  --line: #232329;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.06rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

/* ---------- nav ---------- */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 1.5rem;
  background: rgba(11, 11, 16, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.wordmark {
  font-family: var(--serif);
  font-style: italic;
  color: var(--ink);
  text-decoration: none;
  font-size: 1.05rem;
}
nav .links { display: flex; gap: 1.1rem; flex-wrap: wrap; }
nav .links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.86rem;
  letter-spacing: 0.04em;
}
nav .links a:hover { color: var(--accent); }
.langsel {
  background: var(--bg2);
  color: var(--muted);
  border: 1px solid var(--line);
  font-size: 0.82rem;
  padding: 0.3rem 0.5rem;
  border-radius: 4px;
  cursor: pointer;
}
.langsel:hover { color: var(--accent); border-color: var(--accent); }

/* ---------- hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 6rem 1.5rem 4rem;
  background:
    radial-gradient(ellipse 70% 50% at 50% 38%, rgba(212, 162, 78, 0.09), transparent 70%),
    var(--bg);
}
.hero.sub { min-height: 72vh; }
.kicker {
  font-size: 0.8rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--faint);
  margin: 0 0 1.2rem;
}
.hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.8rem, 8vw, 5.2rem);
  line-height: 1.08;
  margin: 0 0 1.4rem;
}
.lede {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.35rem;
  color: var(--muted);
  margin: 0 0 2rem;
  max-width: 34rem;
}
.vow {
  font-family: var(--serif);
  font-size: 1.25rem;
  color: var(--accent);
  margin: 0;
  line-height: 2;
}
.scroll { color: var(--faint); margin-top: 3rem; animation: bob 2.4s ease-in-out infinite; }
@keyframes bob { 50% { transform: translateY(8px); } }

/* ---------- sections ---------- */
main { display: block; }
section {
  max-width: 46rem;
  margin: 0 auto;
  padding: 5rem 1.5rem;
  border-top: 1px solid var(--line);
}
section h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 2rem;
  margin: 0 0 1.6rem;
  line-height: 1.25;
}
section h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.3rem;
  color: var(--accent);
  margin: 2.4rem 0 0.8rem;
}
section p { margin: 0 0 1.2rem; color: #d8d2c4; }
section p strong { color: var(--ink); }
section p em { color: var(--ink); }
section ol, section ul { color: #d8d2c4; padding-left: 1.4rem; }
section li { margin-bottom: 0.7rem; }
section a { color: var(--accent); }
section a:hover { color: #e8bc6a; }

aside {
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  background: var(--bg2);
  padding: 1.2rem 1.4rem;
  margin: 2rem 0;
}
aside h3 { margin-top: 0; }
aside p { margin-bottom: 0; font-size: 0.98rem; }

.caveat {
  border-left: 3px solid var(--accent);
  padding-left: 1.1rem;
  color: var(--muted);
  font-style: italic;
}

/* equations */
.eq {
  background: var(--bg2);
  border: 1px solid var(--line);
  padding: 1.4rem 1.6rem;
  margin: 1.6rem 0;
}
.eq h3 { margin-top: 0; }
.eq.master { border-left: 3px solid var(--accent); }
.math {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.25rem;
  color: var(--ink);
  text-align: center;
  margin: 1rem 0;
}
.eq ul { list-style: none; padding-left: 0; }
.eq li { padding-left: 0; }

/* pull quotes */
blockquote {
  margin: 2rem 0;
  padding: 0.4rem 0 0.4rem 1.4rem;
  border-left: 3px solid var(--accent);
  font-family: var(--serif);
  font-size: 1.12rem;
  color: var(--ink);
}
blockquote p { margin-bottom: 1rem; }
.attr, .note { color: var(--muted); font-size: 0.95rem; }

/* code */
pre {
  background: #08080c;
  border: 1px solid var(--line);
  padding: 1.2rem 1.4rem;
  overflow-x: auto;
  font-size: 0.82rem;
  line-height: 1.6;
}
code { font-family: var(--mono); color: #cdbf9f; }
.endpoints code { color: var(--accent); background: var(--accent-dim); padding: 0.1em 0.4em; }
.endpoints { list-style: none; padding-left: 0; }

/* button */
.btn {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.7rem 1.6rem;
  border: 1px solid var(--accent);
  color: var(--accent);
  text-decoration: none;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
}
.btn:hover { background: var(--accent-dim); color: #e8bc6a; }

/* ---------- footer ---------- */
footer {
  text-align: center;
  padding: 5rem 1.5rem 3rem;
  border-top: 1px solid var(--line);
  background: var(--bg2);
}
.closing {
  font-family: var(--serif);
  font-size: 1.4rem;
  line-height: 2;
  color: var(--ink);
  margin: 0 0 2.5rem;
}
.fine { color: var(--faint); font-size: 0.85rem; max-width: 36rem; margin: 0 auto; }

@media (max-width: 640px) {
  nav .links { display: none; }
  section { padding: 3.5rem 1.2rem; }
}