:root {
  --bg: #FFFCF0;
  --surface: #F2F0E5;
  --rule: #CECDC3;
  --ink: #100F0F;
  --ink-dim: #575653;
  --ink-faint: #878580;
  --accent: #205EA6;
  --accent-hover: #1A4F8A;
  --serif: "Iowan Old Style", "Palatino Linotype", "Palatino", "Baskerville", "Georgia", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "SF Mono", "Monaco", "Menlo", "Consolas", monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #100F0F;
    --surface: #1C1B1A;
    --rule: #403E3C;
    --ink: #CECDC3;
    --ink-dim: #878580;
    --ink-faint: #575653;
    --accent: #4385BE;
    --accent-hover: #66A0D8;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  transition: color 0.15s, border-color 0.15s;
}
a:hover { color: var(--accent); border-bottom-color: var(--accent); }

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 400; letter-spacing: -0.01em; }
em { font-style: italic; color: var(--accent); }

.num { font-family: var(--mono); font-size: 0.72em; color: var(--ink-faint); letter-spacing: 0.05em; }

/* ---------- Frame ---------- */
.frame {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 4rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 5rem 3rem;
  min-height: 100vh;
}

/* ---------- Rail ---------- */
.rail {
  position: sticky;
  top: 5rem;
  align-self: start;
}
.portrait {
  width: 200px;
  height: 260px;
  margin-bottom: 2rem;
  background: var(--surface);
  border: 1px solid var(--rule);
  overflow: hidden;
}
.portrait img { width: 100%; height: 100%; object-fit: cover; display: block; }

.nav { display: flex; flex-direction: column; gap: 0.4rem; font-family: var(--sans); font-size: 0.95rem; }
.nav a { border-bottom: none; color: var(--ink-dim); display: flex; gap: 0.8rem; align-items: baseline; }
.nav a .num { min-width: 1.8em; }
.nav a:hover { color: var(--accent); }

/* ---------- Main column ---------- */
.col { max-width: 620px; }

.hero { margin-bottom: 5rem; }
.name { font-size: 3rem; line-height: 1.05; margin: 0 0 1rem 0; letter-spacing: -0.02em; }
.lede { font-size: 1.25rem; line-height: 1.5; color: var(--ink); margin: 0 0 1rem 0; }
.byline { font-size: 1rem; color: var(--ink-dim); margin: 0 0 2rem 0; font-style: italic; }

.cta-row { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.2rem;
  font-family: var(--sans);
  font-size: 0.95rem;
  background: var(--accent);
  color: #FFFCF0;
  border: none;
  border-bottom: none;
  transition: background 0.15s;
}
.btn:hover { background: var(--accent-hover); color: #FFFCF0; border-bottom: none; }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--rule); }
.btn-ghost:hover { color: var(--accent); border-color: var(--accent); background: transparent; }

/* ---------- Chapters ---------- */
.chapter { margin: 4.5rem 0; }
.chap-head { display: flex; align-items: baseline; gap: 1rem; margin-bottom: 0.3rem; flex-wrap: wrap; }
.chap-num { font-family: var(--mono); font-size: 0.8rem; color: var(--ink-faint); letter-spacing: 0.1em; }
.chap-title { font-size: 2rem; margin: 0; line-height: 1.1; }
.chap-meta { font-family: var(--sans); font-size: 0.85rem; color: var(--ink-faint); margin-left: auto; }
.chap-rule { border-top: 1px solid var(--rule); margin: 1.2rem 0 2rem 0; }

/* ---------- Press card ---------- */
.card {
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--rule);
}
.card:last-child { border-bottom: none; }
.card-row1 {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--ink-dim);
  margin-bottom: 0.3rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.card-title {
  font-size: 1.1rem;
  margin: 0 0 0.4rem 0;
  line-height: 1.3;
}
.card-title a { border-bottom: none; }
.card-title a:hover { color: var(--accent); }
.card-desc { font-size: 0.95rem; color: var(--ink-dim); margin: 0 0 0.5rem 0; line-height: 1.4; }
.card-go {
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--accent);
  border-bottom: none;
}
.card-go:hover { color: var(--accent-hover); }

/* ---------- Project plate ---------- */
.plate {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--rule);
}
.plate:last-child { border-bottom: none; }
.plate-main { flex: 1; }
.plate-title { font-size: 1.15rem; margin: 0 0 0.3rem 0; }
.plate-desc { font-size: 0.95rem; color: var(--ink-dim); margin: 0 0 0.4rem 0; line-height: 1.45; }
.plate-meta { font-family: var(--sans); font-size: 0.8rem; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.05em; }
.plate-go {
  font-family: var(--sans);
  font-size: 0.9rem;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.5rem 0.9rem;
  white-space: nowrap;
}
.plate-go:hover { background: var(--accent); color: #FFFCF0; border-color: var(--accent); }

/* ---------- See-all link ---------- */
.see-all {
  display: inline-block;
  margin-top: 1.5rem;
  font-family: var(--sans);
  font-size: 0.9rem;
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
}

/* ---------- Footer ---------- */
.footer {
  margin-top: 5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--rule);
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--ink-faint);
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.footer a { color: var(--ink-dim); border-bottom: none; }
.footer a:hover { color: var(--accent); }
.footer-social { display: flex; gap: 1.2rem; flex-wrap: wrap; }

/* ---------- Mobile ---------- */
@media (max-width: 820px) {
  .frame {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding: 2.5rem 1.5rem;
  }
  .rail { position: static; }
  .portrait { width: 160px; height: 210px; margin-bottom: 1.5rem; }
  .nav { flex-direction: row; flex-wrap: wrap; gap: 0.2rem 1.2rem; }
  .nav a .num { display: none; }
  .name { font-size: 2.2rem; }
  .lede { font-size: 1.1rem; }
  .chap-title { font-size: 1.6rem; }
  .chap-meta { display: none; }
  .plate { flex-direction: column; gap: 0.8rem; }
}


/* 404 */
.hero-404 { text-align: center; }
.hero-404 .wizard {
  display: block;
  margin: 0 auto 2rem auto;
  width: 280px;
  max-width: 60vw;
  height: auto;
  border-radius: 50%;
  border: 1px solid var(--rule);
  background: var(--surface);
}
.hero-404 .name { font-size: 2.4rem; }
.hero-404 .lede { font-size: 1.2rem; }

/* anchor nav (press page) */
.anchor-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 1.8rem;
  margin-top: 1.5rem;
  font-family: var(--sans);
  font-size: 0.95rem;
}
.anchor-nav a {
  color: var(--ink-dim);
  border-bottom: none;
  display: inline-flex;
  gap: 0.5rem;
  align-items: baseline;
  padding: 0.3rem 0;
}
.anchor-nav a:hover { color: var(--accent); }
.anchor-nav .num { font-family: var(--mono); font-size: 0.75rem; color: var(--ink-faint); }

html { scroll-behavior: smooth; scroll-padding-top: 2rem; }

/* prose */
.prose { font-size: 1.05rem; line-height: 1.7; color: var(--ink); }
.prose p { margin: 0 0 1.4rem 0; }
.prose h1, .prose h2, .prose h3, .prose h4 { margin: 2.2rem 0 0.8rem 0; line-height: 1.2; }
.prose h2 { font-size: 1.6rem; }
.prose h3 { font-size: 1.3rem; }
.prose h4 { font-size: 1.1rem; }
.prose a { color: var(--ink); border-bottom: 1px solid var(--accent); }
.prose a:hover { color: var(--accent); }
.prose img { max-width: 100%; height: auto; margin: 1.5rem 0; border: 1px solid var(--rule); }
.prose blockquote {
  margin: 1.5rem 0;
  padding-left: 1.2rem;
  border-left: 2px solid var(--accent);
  color: var(--ink-dim);
  font-style: italic;
}
.prose ul, .prose ol { margin: 0 0 1.4rem 0; padding-left: 1.5rem; }
.prose li { margin-bottom: 0.4rem; }
.prose iframe { max-width: 100%; margin: 1.5rem 0; border: 1px solid var(--rule); }
.prose pre, .prose code { font-family: var(--mono); font-size: 0.9em; background: var(--surface); padding: 0.1em 0.3em; }
.prose pre { padding: 1rem; overflow-x: auto; }
.prose hr { border: 0; border-top: 1px solid var(--rule); margin: 2rem 0; }