/* ═══════════════════════════════════════════════════════════
   Paul Brunzema — Personal Website
   Editorial minimalism · Fraunces (display) + Hanken Grotesk (body)
   ═══════════════════════════════════════════════════════════ */

:root {
  color-scheme: light;

  /* Warm paper palette */
  --bg:          #fbfaf7;   /* page */
  --bg-card:     #ffffff;   /* raised surfaces */
  --bg-warm:     #f4f1ea;   /* subtle chips / wells */
  --bg-rgb:      251, 250, 247;

  --ink:         #1c1a17;   /* near-black, warm */
  --muted:       #6c6760;   /* secondary text */
  --subtle:      #9a948a;   /* tertiary / labels */
  --body-text:   #38342e;

  --line:        #e8e3d9;   /* hairline */
  --line-strong: #d8d2c4;   /* stronger rule */

  --accent:      #1f4e79;   /* deep petrol blue, used sparingly */
  --accent-soft: #eef2f6;

  --gold:        #8a6d1f;   /* award text */
  --gold-soft:   #f6efdc;
  --selection-bg:#dce6ef;
  --shadow-rgb:  28, 26, 23;

  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body:    'Hanken Grotesk', system-ui, -apple-system, sans-serif;

  --nav-h:       60px;
  --max-w:       820px;
  --pad:         2rem;

  --ease:        cubic-bezier(0.22, 1, 0.36, 1);
  --dur:         200ms;
}

[data-theme="dark"] {
  color-scheme: dark;

  --bg:          #151411;
  --bg-card:     #1d1b17;
  --bg-warm:     #25231e;
  --bg-rgb:      21, 20, 17;

  --ink:         #f2eee6;
  --muted:       #b7afa3;
  --subtle:      #8f877c;
  --body-text:   #d6d0c6;

  --line:        #343128;
  --line-strong: #514b3f;

  --accent:      #8dbfe8;
  --accent-soft: #17283a;

  --gold:        #dbc36a;
  --gold-soft:   #332b18;
  --selection-bg:#263c4e;
  --shadow-rgb:  0, 0, 0;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { display: block; max-width: 100%; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad);
}

::selection { background: var(--selection-bg); color: var(--ink); }

/* ══════════════════════
   NAV
══════════════════════ */
nav {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  background: rgba(var(--bg-rgb), 0.85);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line);
  z-index: 200;
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
  text-decoration: none;
}
.nav-brand:hover { text-decoration: none; color: var(--accent); }

.nav-links {
  display: flex;
  gap: 0.4rem;
  list-style: none;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-links a {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.4rem 0.7rem;
  border-radius: 7px;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.nav-links a:hover  { color: var(--ink); background: var(--bg-warm); text-decoration: none; }
.nav-links a.active { color: var(--ink); }

.theme-toggle {
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: transparent;
  color: var(--muted);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              background var(--dur) var(--ease);
}

.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-soft);
}

.theme-icon { grid-area: 1 / 1; transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease); }
.theme-icon--moon { opacity: 0; transform: scale(0.75) rotate(-18deg); }
[data-theme="dark"] .theme-icon--sun { opacity: 0; transform: scale(0.75) rotate(18deg); }
[data-theme="dark"] .theme-icon--moon { opacity: 1; transform: scale(1) rotate(0); }

/* ══════════════════════
   MAIN
══════════════════════ */
main { padding-top: var(--nav-h); }

/* ══════════════════════
   HERO
══════════════════════ */
.hero {
  position: relative;
  padding: 3.75rem 0 3rem;
  overflow: hidden;
}

/* Posterior-belief field — full-bleed ambient art background */
.hero-canvas {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  height: 100%;
  display: block;
  z-index: 0;
  pointer-events: none;
}

/* Veil keeps text crisp: paper at left/bottom, art breathing top-right */
.hero-veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(95deg, rgba(var(--bg-rgb),0.92) 0%, rgba(var(--bg-rgb),0.55) 30%, rgba(var(--bg-rgb),0.22) 62%, rgba(var(--bg-rgb),0.34) 100%),
    linear-gradient(0deg, var(--bg) 0%, rgba(var(--bg-rgb),0) 24%);
}

.hero-inner { position: relative; z-index: 2; }

.hero-intro {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  margin-bottom: 1.85rem;
}

/* Bio ("abstract") + compact CV side by side */
.hero-cols {
  display: grid;
  grid-template-columns: 1fr 250px;
  gap: 2.75rem;
  align-items: start;
}

.exp-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
  margin-bottom: 0.7rem;
}

.hero-photo { flex-shrink: 0; }

.profile-img {
  width: 116px;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
  box-shadow: 0 4px 18px rgba(var(--shadow-rgb), 0.18);
}

.hero-id { min-width: 0; }

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-optical-sizing: auto;
}

.hero-title {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--ink);
  margin-top: 0.7rem;
}

.hero-affil {
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.5;
  margin-top: 0.2rem;
}

.hero-bio {
  font-size: 1.02rem;
  color: var(--body-text);
  line-height: 1.72;
  max-width: 62ch;
}

.hero-bio p + p { margin-top: 1rem; }

.hero-bio a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--line-strong);
  text-decoration-thickness: 1.5px;
  transition: text-decoration-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.hero-bio a:hover { text-decoration-color: var(--accent); color: var(--accent); }
.hero-bio strong  { font-weight: 600; color: var(--ink); }

/* Social */
.social-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.6rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  padding: 0.4rem 0.85rem;
  background: var(--bg-card);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  transition: color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              background var(--dur) var(--ease),
              transform var(--dur) var(--ease);
}

.social-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-soft);
  text-decoration: none;
  transform: translateY(-1px);
}

.social-link svg { width: 15px; height: 15px; opacity: 0.7; }

/* ══════════════════════
   SECTION CHROME
══════════════════════ */
.section-divider {
  border: none;
}

.section { padding: 2.5rem 0; }

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.6rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.section-link {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease);
}
.section-link:hover { color: var(--accent); text-decoration: none; }

/* ── PUBLICATIONS PAGE HEADER ── */
.page-header {
  padding: 4.5rem 0 2rem;
}

.page-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-subtitle {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.6;
  max-width: 60ch;
  margin-top: 0.6rem !important;
}

/* ══════════════════════
   EXPERIENCE
══════════════════════ */
.exp-list { display: flex; flex-direction: column; }

.exp-entry {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 0.8rem;
  align-items: center;
  padding: 0.7rem 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
}
.exp-entry:last-child { border-bottom: 1px solid var(--line); }
.exp-entry:hover { text-decoration: none; }
.exp-entry:hover .exp-role { color: var(--accent); }

.exp-logo {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  overflow: hidden;
  flex-shrink: 0;
  position: relative;
}

.exp-logo--wide {
  width: 50px;
  height: 34px;
  margin-left: -5px;
}

.exp-logo-abbr {
  font-size: 0.62rem;
  font-weight: 600;
  color: var(--subtle);
  letter-spacing: 0.02em;
  text-align: center;
}

.exp-logo:has(.exp-logo-img) .exp-logo-abbr { display: none; }

.exp-logo-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 6px;
}

.exp-logo-img--wide { padding: 4px 3px; }

.exp-body { display: flex; flex-direction: column; min-width: 0; line-height: 1.34; }

.exp-role {
  font-weight: 600;
  font-size: 0.86rem;
  color: var(--ink);
  transition: color var(--dur) var(--ease);
}

.exp-org { font-size: 0.78rem; color: var(--muted); }

.exp-period { font-size: 0.72rem; color: var(--subtle); margin-top: 0.1rem; }

/* ══════════════════════
   PUBLICATION CARDS
══════════════════════ */
.pub-list { display: flex; flex-direction: column; }

.pub-card {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 1.6rem;
  padding: 1.75rem 0;
  align-items: start;
}

/* Thumbnail */
.pub-thumb { display: flex; }

.pub-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
  background: var(--bg-warm);
  border: 1px solid var(--line);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.pub-card:hover .pub-img {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(var(--shadow-rgb), 0.28);
}

.pub-img-placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--bg-warm);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--subtle);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Content */
.pub-content { display: flex; flex-direction: column; min-width: 0; }

.pub-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 0.55rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: 5px;
}

.badge-venue { color: var(--accent); background: var(--accent-soft); }
.badge-award { color: var(--gold);   background: var(--gold-soft); }
.badge-award::before { content: '★'; margin-right: 0.3em; }

.pub-year {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--subtle);
}

.pub-title {
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 500;
  line-height: 1.32;
  color: var(--ink);
  letter-spacing: -0.01em;
  margin-bottom: 0.4rem;
}

.pub-authors {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.55;
  margin-bottom: 0.2rem;
}

.author-me { color: var(--ink); font-weight: 600; }

.pub-venue {
  font-size: 0.86rem;
  font-style: italic;
  color: var(--subtle);
  margin-bottom: 0.7rem;
}

.pub-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: auto;
}

.pub-link {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  padding: 0.28rem 0.7rem;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  transition: color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              background var(--dur) var(--ease);
}

.pub-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-soft);
  text-decoration: none;
}

/* ══════════════════════
   YEAR GROUPS
══════════════════════ */
.year-group { margin-bottom: 0.5rem; }

.year-label {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--ink);
  padding: 1.75rem 0 0.25rem;
}
.year-group:first-child .year-label { padding-top: 0; }

/* ══════════════════════
   FOOTER
══════════════════════ */
footer {
  padding: 1.75rem 0;
  margin-top: 2rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-copy  { font-size: 0.82rem; color: var(--muted); }
.footer-note  { font-size: 0.78rem; color: var(--subtle); }

/* ══════════════════════
   ANIMATIONS
══════════════════════ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.animate-in { animation: fadeUp 0.6s var(--ease) both; }

@media (prefers-reduced-motion: reduce) {
  .animate-in { animation: none; }
  * { scroll-behavior: auto !important; }
}

/* ══════════════════════
   RESPONSIVE
══════════════════════ */
@media (max-width: 680px) {
  :root { --pad: 1.35rem; }

  body { font-size: 16px; }

  .nav-brand { font-size: 1rem; }

  .nav-actions { gap: 0.2rem; }

  .nav-links { gap: 0.15rem; }

  .nav-links a {
    font-size: 0.7rem;
    padding: 0.32rem 0.45rem;
  }

  .theme-toggle {
    width: 32px;
    height: 32px;
  }

  .hero { padding: 2.5rem 0 2.5rem; }

  .hero-intro {
    flex-direction: row;
    align-items: center;
    gap: 1.1rem;
    margin-bottom: 1.6rem;
  }

  .profile-img { width: 92px; }

  .hero-cols {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  /* On narrow screens the art sits behind everything, kept faint by the veil */
  .hero-veil {
    background:
      linear-gradient(0deg, var(--bg) 0%, rgba(var(--bg-rgb),0.58) 45%, rgba(var(--bg-rgb),0.22) 100%);
  }

  .profile-img { width: 104px; height: 104px; }

  .exp-entry {
    grid-template-columns: 40px 1fr;
    gap: 0.9rem;
  }

  .exp-aside {
    grid-column: 2;
    flex-direction: row;
    align-items: baseline;
    gap: 0.5rem;
    text-align: left;
    margin-top: 0.15rem;
  }

  .pub-card {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .pub-thumb { max-width: 200px; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
}