/* ===========================================================
   Benjamin Westermeyer — academic site
   Palette: navy (ink/authority) + warm paper (academic) + orange (signal)
   Type: Newsreader (display serif) / Inter (body) / IBM Plex Mono (data, labels)
   =========================================================== */

:root {
  --navy-950: #0b1526;
  --navy-900: #0f1e35;
  --navy-800: #142743;
  --navy-700: #1d3a63;
  --navy-600: #2c5188;

  --paper: #f6f2e9;
  --paper-dim: #ece5d3;
  --paper-line: #ddd3ba;

  --ink: #1a1a16;
  --ink-soft: #55524a;
  --ink-faint: #8a8677;

  --orange: #d9691e;
  --orange-deep: #b5540f;
  --orange-light: #f3a25e;
  --orange-tint: #fbe4cd;

  --cream-on-navy: #ece7d8;

  --font-display: "Newsreader", "Iowan Old Style", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;

  --max-w: 1120px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
img { max-width: 100%; display: block; }

.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
}

:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

/* ---------- eyebrow / labels ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
}

/* ---------- nav ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 242, 233, 0.88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--paper-line);
}
.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 44px;
  height: 64px;
}
.brand {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.01em;
  color: var(--navy-900);
  text-decoration: none;
}
.brand span { color: var(--orange); }
.nav-links {
  display: flex;
  gap: 30px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft);
  position: relative;
  padding-bottom: 4px;
}
.nav-links a:hover { color: var(--navy-900); }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1.5px;
  background: var(--orange);
  transition: width 0.2s ease;
}
.nav-links a:hover::after { width: 100%; }
.nav-toggle { display: none; }

/* ---------- hero ---------- */
.hero {
  background: var(--navy-950);
  color: var(--cream-on-navy);
  position: relative;
  overflow: hidden;
}
.hero .wrap {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: start;
  padding-top: 84px;
  padding-bottom: 64px;
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(40px, 5.2vw, 64px);
  line-height: 1.05;
  margin: 0 0 20px;
  letter-spacing: -0.01em;
}
.hero h1 em {
  font-style: italic;
  color: var(--orange-light);
}
.role-label { margin: 0 0 24px; }
.role-label .eyebrow {
  color: var(--orange-light);
  margin: 0;
  line-height: 1.55;
}
.hero .role {
  font-size: 19px;
  color: var(--cream-on-navy);
  opacity: 0.88;
  max-width: 46ch;
  margin: 0 0 32px;
}
.hero .role strong { color: #fff; font-weight: 600; }

.hero-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
  max-width: 300px;
}
.hero-actions .btn { flex: 1 1 0; justify-content: center; padding-left: 0; padding-right: 0; }
.btn-square {
  padding: 13px;
  height: 44px;
}
.btn-square svg { width: 17px; height: 17px; flex-shrink: 0; display: block; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 13px 22px;
  border-radius: 3px;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-solid {
  background: var(--orange);
  color: #1a0e04;
  font-weight: 600;
}
.btn-solid:hover { background: var(--orange-light); }
.btn-ghost {
  border-color: rgba(236, 231, 216, 0.35);
  color: var(--cream-on-navy);
}
.btn-ghost:hover { border-color: var(--orange-light); color: var(--orange-light); }
.btn-icon { padding: 13px 20px; }
.btn-icon svg { flex-shrink: 0; }

.hero-portrait {
  position: relative;
  justify-self: center;
}
.hero-portrait .frame {
  width: 100%;
  max-width: 300px;
  border: 1px solid rgba(236,231,216,0.25);
  padding: 10px;
  position: relative;
}
.hero-portrait img {
  width: 100%;
  filter: grayscale(15%) contrast(1.03);
}
.hero-portrait .corner {
  position: absolute;
  width: 16px; height: 16px;
  border: 1.5px solid var(--orange);
}
.corner.tl { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.corner.br { bottom: -1px; right: -1px; border-left: none; border-top: none; }

/* ---------- section shell ---------- */
section { padding: 92px 0; }
.section-head {
  margin-bottom: 44px;
  max-width: 640px;
}
.section-head .eyebrow { color: var(--orange-deep); margin-bottom: 12px; }
.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(30px, 3.4vw, 40px);
  font-weight: 500;
  margin: 0;
  color: var(--navy-900);
}

/* ---------- education block (hero) ---------- */
.education-block {
  border-top: 1px solid rgba(236, 231, 216, 0.18);
  padding-top: 22px;
  max-width: 46ch;
}
.education-block .eyebrow { color: var(--orange-light); margin: 0 0 18px; }
.degree { margin-bottom: 16px; }
.degree:last-child { margin-bottom: 0; }
.degree-title {
  margin: 0 0 3px;
  font-size: 15.5px;
  color: var(--cream-on-navy);
}
.degree-school {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: rgba(236, 231, 216, 0.55);
}

/* ---------- publications ---------- */
.pub-list { list-style: none; margin: 0; padding: 0; }
.pub-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--paper-line);
}
.pub-item:first-child { padding-top: 0; }
.pub-num {
  font-family: var(--font-mono);
  color: var(--orange-deep);
  font-size: 14px;
  padding-top: 2px;
}
.pub-title { margin: 0 0 6px; font-size: 16px; color: var(--ink); line-height: 1.5; }
.pub-title .self { font-weight: 700; color: var(--navy-900); }
.pub-venue {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-faint);
  letter-spacing: 0.02em;
}
.pub-venue .journal { font-style: italic; font-family: var(--font-body); color: var(--ink-soft); }

/* ---------- contact / footer ---------- */
.contact {
  background: var(--navy-950);
  color: var(--cream-on-navy);
  padding: 100px 0 48px;
}
.contact h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(32px, 4.4vw, 50px);
  margin: 0 0 20px;
  max-width: 16ch;
}

.contact-row {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  align-items: baseline;
  margin-bottom: 64px;
}
.contact-link {
  font-family: var(--font-mono);
  font-size: 16px;
  text-decoration: none;
  color: var(--cream-on-navy);
  border-bottom: 1px solid rgba(236,231,216,0.3);
  padding-bottom: 3px;
}
.contact-link:hover { color: var(--orange-light); border-color: var(--orange-light); }
.icon-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
}
.icon-link svg { flex-shrink: 0; }
.footer-meta {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 28px;
  border-top: 1px solid rgba(236,231,216,0.14);
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(236,231,216,0.45);
}

/* ---------- responsive ---------- */
@media (max-width: 880px) {
  .site-nav .wrap { height: auto; flex-direction: column; align-items: flex-start; padding-top: 14px; padding-bottom: 10px; gap: 10px; }
  .nav-links { gap: 16px; overflow-x: auto; width: 100%; padding-bottom: 2px; }
  .hero .wrap { grid-template-columns: 1fr; padding-top: 56px; }
  .hero-portrait { justify-self: start; }
  .hero-portrait .frame { max-width: 220px; }
  section { padding: 64px 0; }
  .wrap { padding: 0 22px; }
  .pub-item { grid-template-columns: 32px 1fr; }
}