/* ============================================================
   Benjamin Trumble — academic site
   Palette: town-record ledger + meeting-hall wood
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:ital,opsz,wght@0,8..60,400;0,8..60,500;0,8..60,600;0,8..60,700;1,8..60,400&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --pine: #1e3a2f;          /* dominant pine green field */
  --pine-deep: #142a22;     /* darker pine, header/footer */
  --pine-line: #2f5544;     /* hairline on pine */
  --paper: #f2ede2;        /* aged ledger page, content card */
  --paper-2: #e9e1d1;       /* slightly deeper panel */
  --ink: #262119;           /* near-black warm ink */
  --ink-soft: #52493c;      /* body text */
  --rule: #c9bea6;          /* hairline rule color on paper */
  --wood: #6b3f2a;          /* meeting-hall wood, primary accent */
  --wood-deep: #4a2b1c;     /* hover / emphasis */
  --brass: #a68a4a;         /* secondary accent, brass hardware — lifted for pine contrast */
  --max-w: 760px;
  --rail-w: 220px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--pine);
  color: var(--ink-soft);
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 18px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* Subtle depth on the pine field — no external image dependency */
body {
  background-image:
    radial-gradient(circle at 12% 8%, rgba(166,138,74,0.07), transparent 42%),
    radial-gradient(circle at 88% 95%, rgba(0,0,0,0.15), transparent 50%);
  background-attachment: fixed;
}

.page-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
  display: grid;
  grid-template-columns: 1fr var(--rail-w);
  gap: 40px;
  align-items: start;
}

.content-card {
  background: var(--paper);
  border-radius: 8px;
  box-shadow: 0 24px 60px -20px rgba(0,0,0,0.45);
}

h1, h2, h3 {
  font-family: 'Source Serif 4', Georgia, serif;
  color: var(--ink);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}

a {
  color: var(--wood);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
a:hover { color: var(--wood-deep); }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 3px;
}

/* ---------------- Header / nav ---------------- */

.site-header {
  border-bottom: 1px solid var(--pine-line);
  background: var(--pine-deep);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 22px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.site-name {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.02em;
  color: var(--paper);
  text-decoration: none;
}
.site-name span {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brass);
  margin-top: 2px;
}

nav.site-nav {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  font-family: 'Inter', sans-serif;
}

nav.site-nav a {
  color: #cfe0d6;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 3px;
  transition: background 0.15s ease, color 0.15s ease;
}

nav.site-nav a:hover {
  background: var(--pine-line);
  color: var(--paper);
}

nav.site-nav a.active {
  color: var(--brass);
  background: var(--pine-line);
}

/* ---------------- Layout shells ---------------- */

main {
  max-width: var(--max-w);
  margin: 0;
  padding: 56px 48px 80px;
}

.page-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 10px;
}

.page-title {
  font-size: 38px;
  line-height: 1.15;
  margin-bottom: 18px;
}

.page-lede {
  font-size: 20px;
  color: var(--ink-soft);
  font-style: italic;
  max-width: 640px;
  margin-bottom: 8px;
}

hr.rule {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 40px 0;
}

section + section { margin-top: 48px; }

/* ---------------- Placeholder editing affordance ---------------- */

.fill {
  background: rgba(138, 114, 55, 0.13);
  border: 1px dashed var(--brass);
  border-radius: 4px;
  padding: 2px 8px;
  color: var(--wood-deep);
  font-style: normal;
  font-family: 'Inter', sans-serif;
  font-size: 0.88em;
}

.fill-block {
  display: block;
  background: rgba(138, 114, 55, 0.10);
  border: 1px dashed var(--brass);
  border-radius: 6px;
  padding: 14px 16px;
  color: var(--wood-deep);
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  line-height: 1.55;
  margin: 10px 0 20px;
}

.fill-block strong { color: var(--wood-deep); }

/* ---------------- Hero (home page) ---------------- */

.hero {
  padding-top: 12px;
}

.hero-kicker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 14px;
}

.hero h1 {
  font-size: 46px;
  line-height: 1.1;
  margin-bottom: 14px;
}

.hero .role {
  font-family: 'Inter', sans-serif;
  font-size: 17px;
  color: var(--ink-soft);
  margin-bottom: 28px;
}

.hero .role strong { color: var(--ink); font-weight: 600; }

.hero-abstract {
  font-size: 19px;
  line-height: 1.7;
  color: var(--ink-soft);
  border-left: 3px solid var(--wood);
  padding-left: 20px;
  margin: 28px 0 32px;
}

.hero-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.btn {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  padding: 10px 18px;
  border-radius: 4px;
  border: 1px solid var(--wood);
  color: var(--wood);
  transition: all 0.15s ease;
  display: inline-block;
}
.btn:hover { background: var(--wood); color: var(--paper); }

.btn.primary {
  background: var(--wood);
  color: var(--paper);
}
.btn.primary:hover { background: var(--wood-deep); border-color: var(--wood-deep); }

/* ---------------- Warrant-article numbering (signature device) ---------------- */
/* Used for any ordered/listed content — echoes town-meeting warrant articles */

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

.warrant-item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 18px;
  padding: 22px 0;
  border-top: 1px solid var(--rule);
}

.warrant-item:last-child { border-bottom: 1px solid var(--rule); }

.warrant-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--brass);
  padding-top: 3px;
}

.warrant-num::before { content: "ART. "; }

.warrant-body h3 {
  font-size: 19px;
  margin-bottom: 4px;
  line-height: 1.35;
}

.warrant-meta {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: var(--brass);
  margin-bottom: 8px;
  letter-spacing: 0.01em;
}

.warrant-desc {
  font-size: 16px;
  color: var(--ink-soft);
}

.warrant-desc a { font-weight: 500; }

/* ---------------- Simple list (plain, resume-style) ---------------- */

.simple-list {
  list-style: none;
  margin: 0 0 8px;
  padding: 0;
}

.simple-list li {
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-soft);
  padding: 5px 0 5px 18px;
  position: relative;
}

.simple-list li::before {
  content: "·";
  color: var(--brass);
  font-weight: 700;
  position: absolute;
  left: 0;
}

.simple-list li .fill {
  display: inline;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 6px;
}

.section-head h2 {
  font-size: 24px;
}

.section-note {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: var(--brass);
}

/* ---------------- Simple two-column info blocks (About / Contact) ---------------- */

.kv-list {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 10px 20px;
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  margin: 18px 0;
}

.kv-list dt {
  color: var(--brass);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding-top: 2px;
}

.kv-list dd {
  margin: 0;
  color: var(--ink-soft);
}

/* ---------------- Teaching table-like list ---------------- */

.course-item {
  padding: 16px 0;
  border-top: 1px solid var(--rule);
}
.course-item:last-child { border-bottom: 1px solid var(--rule); }

.course-title {
  font-size: 17px;
  color: var(--ink);
  font-weight: 600;
  margin-bottom: 3px;
}

.course-role {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--wood);
  background: rgba(107,63,42,0.09);
  padding: 2px 8px;
  border-radius: 3px;
  display: inline-block;
  margin-bottom: 6px;
}

.course-terms {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  color: var(--ink-soft);
}

/* ---------------- Photo rail (sits beside content card, on the pine field) ---------------- */

.photo-rail {
  padding-top: 56px;
  position: sticky;
  top: 96px;
}

.photo-frame {
  width: var(--rail-w);
  aspect-ratio: 4 / 5;
  border-radius: 6px;
  overflow: hidden;
  background: var(--pine-deep);
  border: 1px solid var(--pine-line);
  box-shadow: 0 18px 40px -16px rgba(0,0,0,0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.photo-frame.placeholder {
  border: 1px dashed var(--brass);
}

.photo-frame .placeholder-label {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  line-height: 1.5;
  color: var(--brass);
  text-align: center;
  padding: 20px;
}

.photo-frame .placeholder-label code {
  display: block;
  margin-top: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: #cfe0d6;
  background: rgba(255,255,255,0.06);
  padding: 3px 6px;
  border-radius: 3px;
}

.photo-caption {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: #9fb8ac;
  margin-top: 12px;
  padding: 0 2px;
}

/* ---------------- Footer ---------------- */

footer {
  border-top: 1px solid var(--pine-line);
  background: var(--pine-deep);
  padding: 32px 24px;
  text-align: center;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: #8fa89c;
}

/* ---------------- Responsive ---------------- */

@media (max-width: 900px) {
  .page-shell {
    grid-template-columns: 1fr;
  }
  .photo-rail {
    position: static;
    padding-top: 0;
    padding-bottom: 40px;
    display: flex;
    align-items: center;
    gap: 16px;
  }
  .photo-frame {
    width: 120px;
    aspect-ratio: 1 / 1;
    flex-shrink: 0;
  }
  .photo-caption { margin-top: 0; }
}

@media (max-width: 640px) {
  .hero h1 { font-size: 34px; }
  .page-title { font-size: 30px; }
  .warrant-item { grid-template-columns: 44px 1fr; gap: 12px; }
  .kv-list { grid-template-columns: 1fr; gap: 4px 0; }
  .kv-list dt { padding-top: 10px; }
  .site-header-inner { flex-direction: column; align-items: flex-start; }
  main { padding: 40px 24px 60px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}