/* ═══════════════════════════════════════════════════════════════════
   DAN PETTICORD — ACADEMIC SITE
   Parchment + Gem Tone Palette · Crisp Black Lines
   ═══════════════════════════════════════════════════════════════════ */

/* ─── CUSTOM PROPERTIES ─── */
:root {
  --warm:       #B5332E;
  --drought:    #C67D3B;
  --teal:       #2E6B6B;
  --forest:     #4A7C3F;
  --plum:       #7A5C8D;
  --slate:      #3A6B8C;
  --absent:     #A8A196;
  --bg:         #FAFAF7;
  --paper:      #F7F0E6;
  --grid:       #E8E4DD;
  --text:       #2B2520;
  --muted:      #8C857C;
  --white:      #FFFFFF;
  --border:     #D4CEC5;
  --border-dark:#2B2520;

  --font-serif: 'Cormorant Garamond', 'Georgia', serif;
  --font-sans:  'IBM Plex Sans', 'Helvetica Neue', sans-serif;
  --font-mono:  'IBM Plex Mono', 'Menlo', monospace;

  --page-pad: 72px;
  --max-width: 1280px;
}

/* ─── DARK THEME ─── */
[data-theme="dark"] {
  --bg:         #1a1916;
  --paper:      #222019;
  --grid:       #33302a;
  --text:       #e8e4dd;
  --muted:      #9a948b;
  --white:      #2a2722;
  --border:     #3d3a33;
  --border-dark:#e8e4dd;
}
[data-theme="dark"] body::before { opacity: 0.015; }
[data-theme="dark"] .nav.scrolled { background: rgba(26,25,22,0.95); }
[data-theme="dark"] .nav-links { background: var(--bg); }
[data-theme="dark"] ::selection { background: rgba(181,51,46,0.25); }
[data-theme="dark"] .stat-card { background: var(--paper); }
[data-theme="dark"] .teaching-card { background: var(--paper); border-color: var(--border); }
[data-theme="dark"] .research-card:hover { background: var(--paper); }
[data-theme="dark"] .contact-section { background: var(--paper); }
[data-theme="dark"] .footer { background: var(--bg); }
[data-theme="dark"] .pub-item:hover { background: var(--paper); }
[data-theme="dark"] .media-card { background: var(--paper); }
[data-theme="dark"] .media-card:hover { background: var(--grid); }

/* ─── THEME TOGGLE ─── */
.theme-toggle {
  background: none; border: 1px solid var(--border); cursor: pointer;
  width: 32px; height: 32px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--muted); transition: color 0.3s, border-color 0.3s;
  margin-left: 8px; padding: 0;
}
.theme-toggle:hover { color: var(--warm); border-color: var(--warm); }
.theme-icon-moon { display: none; }
[data-theme="dark"] .theme-icon-sun { display: none; }
[data-theme="dark"] .theme-icon-moon { display: block; }

/* ─── RESET & BASE ─── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background 0.4s ease, color 0.4s ease;
}

::selection { background: rgba(181,51,46,0.12); color: var(--text); }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ─── PAPER TEXTURE OVERLAY ─── */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: 0.028;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ─── NAVIGATION ─── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; justify-content: space-between; align-items: center;
  padding: 24px var(--page-pad);
  border-bottom: 1.5px solid transparent;
  transition: all 0.4s cubic-bezier(0.16,1,0.3,1);
}

.nav.scrolled {
  padding: 14px var(--page-pad);
  background: rgba(250,250,247,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--border-dark);
}

/* Remove backdrop-filter when mobile menu is open — it creates a containing block that breaks position:fixed on children */
.nav.menu-open { backdrop-filter: none; -webkit-backdrop-filter: none; background: var(--bg); }

.nav-name {
  font-family: var(--font-serif);
  font-weight: 600; font-size: 22px;
  letter-spacing: 0.01em; color: var(--text);
}

.nav-links { display: flex; gap: 32px; align-items: center; }

.nav-link {
  font-family: var(--font-sans);
  font-size: 12px; font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.05em; text-transform: uppercase;
  position: relative; transition: color 0.3s;
}

.nav-link::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 1.5px; background: var(--warm);
  transition: width 0.3s cubic-bezier(0.16,1,0.3,1);
}

.nav-link:hover, .nav-link.active { color: var(--warm); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

/* Mobile hamburger */
.nav-hamburger {
  display: none; cursor: pointer; background: none; border: none;
  width: 28px; height: 20px; position: relative; z-index: 110;
}
.nav-hamburger span {
  display: block; width: 100%; height: 2px; background: var(--text);
  position: absolute; left: 0; transition: all 0.3s;
}
.nav-hamburger span:nth-child(1) { top: 0; }
.nav-hamburger span:nth-child(2) { top: 9px; }
.nav-hamburger span:nth-child(3) { top: 18px; }

.nav-hamburger.active span:nth-child(1) { top: 9px; transform: rotate(45deg); }
.nav-hamburger.active span:nth-child(2) { opacity: 0; }
.nav-hamburger.active span:nth-child(3) { top: 9px; transform: rotate(-45deg); }

/* ─── PAGE HEADER (inner pages) ─── */
.page-header {
  padding: 160px var(--page-pad) 60px;
  border-bottom: 2px solid var(--border-dark);
}

.page-header-label {
  font-family: var(--font-mono);
  font-size: 11px; font-weight: 400;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 16px;
}

.page-header-title {
  font-family: var(--font-serif);
  font-size: clamp(36px, 4.5vw, 56px);
  font-weight: 500; line-height: 1.1;
  letter-spacing: -0.01em; color: var(--text);
}

.page-header-subtitle {
  font-family: var(--font-sans);
  font-size: 16px; color: var(--muted);
  margin-top: 16px; max-width: 600px; line-height: 1.7;
}

/* Color accent on page header */
.page-header[data-accent="warm"] .page-header-label { color: var(--warm); }
.page-header[data-accent="teal"] .page-header-label { color: var(--teal); }
.page-header[data-accent="forest"] .page-header-label { color: var(--forest); }
.page-header[data-accent="drought"] .page-header-label { color: var(--drought); }
.page-header[data-accent="slate"] .page-header-label { color: var(--slate); }
.page-header[data-accent="plum"] .page-header-label { color: var(--plum); }

/* ─── SECTION COMPONENTS ─── */
.section { padding: 100px var(--page-pad); position: relative; z-index: 1; }
.section--paper { background: var(--paper); }
.section--bordered { border-top: 2px solid var(--border-dark); }

.section-label {
  font-family: var(--font-sans);
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text); margin-bottom: 56px;
  display: flex; align-items: center; gap: 20px;
}

.section-label::after {
  content: ''; flex: 1; height: 1px; background: var(--border);
}

.section-label[data-color="warm"] { color: var(--warm); }
.section-label[data-color="teal"] { color: var(--teal); }
.section-label[data-color="forest"] { color: var(--forest); }
.section-label[data-color="drought"] { color: var(--drought); }

/* ─── STAT BAR ─── */
.stat-bar {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 2px solid var(--border-dark);
  border-bottom: 2px solid var(--border-dark);
}

.stat-card {
  padding: 52px 36px; text-align: center;
  background: var(--paper);
  border-right: 1px solid var(--border);
}
.stat-card:last-child { border-right: none; }

.stat-num {
  font-family: var(--font-serif);
  font-weight: 600; font-size: 50px; line-height: 1;
  margin-bottom: 10px;
}

.stat-label {
  font-family: var(--font-sans);
  font-size: 11px; color: var(--muted);
  letter-spacing: 0.08em; text-transform: uppercase; font-weight: 500;
}

/* ─── RESEARCH CARDS ─── */
.research-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
}

.research-card {
  padding: 44px 36px; border: 1px solid var(--border);
  position: relative; overflow: hidden; cursor: pointer;
  transition: all 0.35s cubic-bezier(0.16,1,0.3,1);
  text-decoration: none; display: block;
}

.research-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.16,1,0.3,1);
}

.research-card:hover { background: var(--white); }
.research-card:hover::before { transform: scaleX(1); }

.research-card[data-color="warm"]::before { background: var(--warm); }
.research-card[data-color="warm"]:hover { border-color: var(--warm); }
.research-card[data-color="warm"] .research-card-num { color: var(--warm); }

.research-card[data-color="teal"]::before { background: var(--teal); }
.research-card[data-color="teal"]:hover { border-color: var(--teal); }
.research-card[data-color="teal"] .research-card-num { color: var(--teal); }

.research-card[data-color="forest"]::before { background: var(--forest); }
.research-card[data-color="forest"]:hover { border-color: var(--forest); }
.research-card[data-color="forest"] .research-card-num { color: var(--forest); }

.research-card[data-color="drought"]::before { background: var(--drought); }
.research-card[data-color="drought"]:hover { border-color: var(--drought); }
.research-card[data-color="drought"] .research-card-num { color: var(--drought); }

.research-card[data-color="slate"]::before { background: var(--slate); }
.research-card[data-color="slate"]:hover { border-color: var(--slate); }
.research-card[data-color="slate"] .research-card-num { color: var(--slate); }

.research-card[data-color="plum"]::before { background: var(--plum); }
.research-card[data-color="plum"]:hover { border-color: var(--plum); }
.research-card[data-color="plum"] .research-card-num { color: var(--plum); }

.research-card-num {
  font-family: var(--font-mono);
  font-size: 11px; margin-bottom: 24px;
  letter-spacing: 0.05em; font-weight: 500;
}

.research-card-title {
  font-family: var(--font-serif);
  font-size: 26px; font-weight: 600;
  line-height: 1.2; margin-bottom: 14px; color: var(--text);
}

.research-card-desc {
  font-family: var(--font-sans);
  font-size: 14px; color: var(--muted); line-height: 1.7;
}

.research-card-more {
  margin-top: 20px; font-family: var(--font-sans);
  font-size: 12px; font-weight: 500;
  letter-spacing: 0.04em; color: transparent;
  transition: color 0.4s;
}
.research-card:hover .research-card-more { color: var(--muted); }

/* ─── PUBLICATION ITEMS ─── */
.pub-item {
  display: grid; grid-template-columns: 52px 1fr 56px;
  gap: 24px; align-items: baseline;
  padding: 18px 0 18px 12px;
  border-bottom: 1px solid var(--border);
  transition: all 0.3s; cursor: default;
}

.pub-item:hover { padding-left: 24px; background: var(--paper); }

.pub-num {
  font-family: var(--font-mono);
  font-size: 12px; color: var(--muted);
}

.pub-title {
  font-family: var(--font-sans);
  font-size: 15px; color: var(--muted);
  line-height: 1.55; transition: color 0.3s;
}
.pub-item:hover .pub-title { color: var(--text); }

.pub-first-badge {
  display: inline-block; font-family: var(--font-mono);
  font-size: 9px; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  margin-right: 10px; padding: 2px 8px;
  border: 1.5px solid var(--warm); color: var(--warm);
  vertical-align: middle;
}

.pub-cofirst-badge {
  display: inline-block; font-family: var(--font-mono);
  font-size: 9px; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  margin-right: 10px; padding: 2px 8px;
  border: 1.5px solid var(--drought); color: var(--drought);
  vertical-align: middle;
}

.pub-link {
  display: inline-block; font-family: var(--font-mono);
  font-size: 10px; color: var(--teal); margin-top: 6px;
  letter-spacing: 0.03em; transition: color 0.3s;
}
.pub-link:hover { color: var(--warm); }

/* Collaboration bracket grouping */
.pub-group-bracket {
  border-left: 3px solid var(--border);
  padding-left: 20px; margin-left: 12px;
  margin-top: 8px; margin-bottom: 8px;
}
.pub-group-bracket-label {
  font-family: var(--font-sans); font-size: 12px;
  font-weight: 500; color: var(--muted);
  margin-bottom: 4px; font-style: italic;
}

.pub-journal {
  font-family: var(--font-sans);
  font-size: 13px; color: var(--muted);
  font-style: italic; margin-top: 5px;
  transition: color 0.3s;
}
.pub-item:hover .pub-journal { color: var(--teal); }

.pub-year {
  font-family: var(--font-mono);
  font-size: 12px; color: var(--muted); text-align: right;
}

/* Publication group headers */
.pub-group {
  margin-top: 64px; margin-bottom: 32px;
  padding: 32px; background: var(--paper);
  border: 1px solid var(--border);
  display: grid; grid-template-columns: 1fr 200px; gap: 32px;
  align-items: center;
}

.pub-group-title {
  font-family: var(--font-serif);
  font-size: 22px; font-weight: 600;
  color: var(--text); line-height: 1.3;
}

.pub-group-desc {
  font-family: var(--font-sans);
  font-size: 13px; color: var(--muted);
  margin-top: 8px; line-height: 1.6;
}

.pub-group-photo {
  width: 100%; aspect-ratio: 4/3;
  background: var(--grid); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 10px; color: var(--muted);
}

/* ─── JOURNEY TIMELINE ─── */
.journey-item {
  display: grid; grid-template-columns: 140px 1fr;
  gap: 32px; padding: 28px 0; position: relative;
  border-bottom: 1px solid var(--border);
}
.journey-item:last-child { border-bottom: none; }

.journey-dot {
  position: absolute; left: -24px; top: 36px;
  width: 8px; height: 8px; border-radius: 50%;
  border: 2px solid var(--bg);
}

.journey-period {
  font-family: var(--font-mono);
  font-size: 12px; color: var(--muted);
  letter-spacing: 0.03em; padding-top: 4px;
}

.journey-role {
  font-family: var(--font-serif);
  font-size: 23px; font-weight: 600;
  color: var(--text); margin-bottom: 4px;
}

.journey-place {
  font-family: var(--font-sans);
  font-size: 14px; font-weight: 500; margin-bottom: 2px;
}

.journey-detail {
  font-family: var(--font-sans);
  font-size: 13px; color: var(--muted); font-style: italic;
}

/* ─── TEACHING CARDS ─── */
.teaching-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.teaching-card {
  padding: 32px 28px; border: 1px solid var(--border);
  background: var(--white); position: relative; overflow: hidden;
}

.teaching-strip {
  position: absolute; top: 0; left: 0; bottom: 0; width: 4px;
}

.teaching-header {
  display: flex; justify-content: space-between;
  align-items: flex-start; margin-bottom: 14px; padding-left: 8px;
}

.teaching-role {
  font-family: var(--font-mono);
  font-size: 10px; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
}

.teaching-semester {
  font-family: var(--font-mono);
  font-size: 11px; color: var(--muted);
}

.teaching-course {
  font-family: var(--font-serif);
  font-size: 23px; font-weight: 600;
  color: var(--text); margin-bottom: 4px; padding-left: 8px;
}

.teaching-code {
  font-family: var(--font-mono);
  font-size: 11px; color: var(--muted); padding-left: 8px;
}

.teaching-note {
  font-family: var(--font-sans);
  font-size: 13px; color: var(--muted);
  font-style: italic; padding-left: 8px; margin-top: 10px;
}

/* ─── CV PAGE ─── */
.cv-section { margin-bottom: 56px; }

.cv-section-title {
  font-family: var(--font-sans);
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text); padding-bottom: 12px;
  border-bottom: 2px solid var(--border-dark);
  margin-bottom: 24px;
}

.cv-entry {
  display: grid; grid-template-columns: 140px 1fr;
  gap: 24px; padding: 12px 0;
  font-size: 14px;
}

.cv-date {
  font-family: var(--font-mono);
  font-size: 12px; color: var(--muted);
  padding-top: 2px;
}

.cv-role { font-weight: 600; color: var(--text); }
.cv-place { color: var(--muted); }
.cv-detail { font-size: 13px; color: var(--muted); font-style: italic; margin-top: 2px; }

.cv-pub-entry {
  padding: 8px 0;
  font-size: 14px; color: var(--muted);
  line-height: 1.6;
}

.cv-pub-entry strong { color: var(--text); font-weight: 600; }

/* ─── BUTTONS ─── */
.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 12px 28px; cursor: pointer;
  transition: all 0.3s; border-radius: 0;
}

.btn--primary {
  background: var(--text); color: var(--bg);
  border: 2px solid var(--text);
}
.btn--primary:hover { background: var(--warm); border-color: var(--warm); }

.btn--outline {
  background: transparent; color: var(--text);
  border: 2px solid var(--border);
}
.btn--outline:hover { border-color: var(--text); }

.btn--center { display: flex; justify-content: center; margin-top: 44px; }

/* ─── CONTACT ─── */
.contact-section {
  padding: 120px var(--page-pad);
  border-top: 2px solid var(--border-dark);
  text-align: center; background: var(--paper);
}

.contact-title {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 500; color: var(--text); margin-bottom: 20px;
}

.contact-desc {
  font-family: var(--font-sans);
  font-size: 15px; color: var(--muted);
  max-width: 480px; margin: 0 auto 40px; line-height: 1.7;
}

.contact-email {
  font-family: var(--font-mono);
  font-size: 16px; color: var(--warm);
  font-weight: 500; letter-spacing: 0.02em;
}

/* ─── FOOTER ─── */
.footer {
  padding: 44px var(--page-pad);
  border-top: 2px solid var(--border-dark);
  display: flex; justify-content: space-between; align-items: center;
  background: var(--bg);
}

.footer-name {
  font-family: var(--font-serif);
  font-size: 17px; font-weight: 600;
  color: var(--text); margin-bottom: 4px;
}

.footer-sub {
  font-family: var(--font-sans);
  font-size: 12px; color: var(--muted);
}

.footer-links { display: flex; gap: 28px; }

.footer-link {
  font-family: var(--font-sans);
  font-size: 12px; color: var(--muted);
  letter-spacing: 0.03em; transition: color 0.3s;
}
.footer-link:hover { color: var(--warm); }

/* ─── ANIMATIONS ─── */
.fade-in {
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1),
              transform 0.7s cubic-bezier(0.16,1,0.3,1);
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.3; }
  50%      { opacity: 0.7; }
}

.anim-delay-1 { transition-delay: 0.1s; }
.anim-delay-2 { transition-delay: 0.2s; }
.anim-delay-3 { transition-delay: 0.3s; }
.anim-delay-4 { transition-delay: 0.4s; }
.anim-delay-5 { transition-delay: 0.5s; }
.anim-delay-6 { transition-delay: 0.6s; }

/* ─── CONTENT PROSE ─── */
.prose { max-width: 720px; }
.prose p {
  font-family: var(--font-sans);
  font-size: 15px; color: var(--muted);
  line-height: 1.8; margin-bottom: 20px;
}
.prose p strong { color: var(--text); font-weight: 600; }
.prose h3 {
  font-family: var(--font-serif);
  font-size: 24px; font-weight: 600;
  color: var(--text); margin: 40px 0 16px;
}

/* ─── RESEARCH SUBPAGE ─── */
.research-sub-hero {
  padding: 160px var(--page-pad) 80px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
  align-items: end;
  border-bottom: 2px solid var(--border-dark);
}

.research-sub-papers {
  padding: 80px var(--page-pad);
}

.research-paper-card {
  display: grid; grid-template-columns: 1fr 240px;
  gap: 32px; padding: 28px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

.research-paper-card:last-child { border-bottom: none; }

.research-paper-title {
  font-family: var(--font-sans);
  font-size: 15px; font-weight: 500;
  color: var(--text); line-height: 1.5; margin-bottom: 6px;
}

.research-paper-journal {
  font-family: var(--font-sans);
  font-size: 13px; color: var(--muted); font-style: italic;
}

.research-paper-figure {
  width: 100%; aspect-ratio: 16/10;
  background: var(--grid); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 10px; color: var(--muted);
}

/* ─── ABOUT PAGE LAYOUT ─── */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 60px;
  align-items: start;
}

/* ─── PHOTO GALLERIES ─── */
.photo-gallery {
  display: grid;
  gap: 20px;
  padding: 48px var(--page-pad);
  align-items: start;
}
.photo-gallery--cols-3 { grid-template-columns: repeat(3, 1fr); }
.photo-gallery--cols-2 { grid-template-columns: repeat(2, 1fr); }
.photo-gallery--cols-1 { grid-template-columns: 1fr; max-width: 480px; }

.photo-gallery-item {
  border: 1px solid var(--border);
  overflow: hidden;
}
.photo-gallery-item img {
  width: 100%;
  height: auto;
  display: block;
}
.photo-gallery-caption {
  font-family: var(--font-sans);
  font-size: 11px;
  color: var(--muted);
  font-style: italic;
  margin-top: 12px;
  text-align: right;
  padding: 0 var(--page-pad);
}

/* ─── PAGE BANNER (teaching, service) ─── */
.page-banner {
  padding: 40px var(--page-pad) 0;
}
.page-banner-strip {
  width: 100%;
  overflow: hidden;
  border-bottom: 2px solid var(--border-dark);
}
.page-banner-strip img {
  width: 100%;
  height: auto;
  display: block;
}
.page-banner-caption {
  font-family: var(--font-sans);
  font-size: 11px;
  color: var(--muted);
  font-style: italic;
  margin-top: 10px;
  text-align: right;
}

/* ─── MEDIA CARDS (service page) ─── */
.media-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.media-card {
  padding: 24px 28px;
  border: 1px solid var(--border);
  background: var(--white);
  transition: all 0.3s;
}
.media-card:hover {
  background: var(--paper);
  border-color: var(--border-dark);
}
.media-card-year {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 10px;
}
.media-card-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 6px;
}
.media-card-outlet {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--muted);
  font-style: italic;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  :root { --page-pad: 40px; }
  .stat-bar { grid-template-columns: repeat(2, 1fr); }
  .stat-card:nth-child(2) { border-right: none; }
  .pub-group { grid-template-columns: 1fr; }
  .pub-group-photo { max-width: 240px; }
  .research-sub-hero { grid-template-columns: 1fr; }
  .research-paper-card { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --page-pad: 24px; }
  .nav-links {
    display: none;
    position: fixed; top: 0; left: 0; width: 100%; height: 100vh;
    background: var(--bg); z-index: 105;
    flex-direction: column; align-items: center; justify-content: center;
    gap: 28px;
  }
  .nav-links.open { display: flex; }
  .nav-links.open .nav-link { font-size: 22px; text-transform: none; letter-spacing: 0; }
  .nav-links.open .theme-toggle {
    position: static; transform: none; margin-top: 16px;
    width: 44px; height: 44px;
  }
  .nav-hamburger { display: block; z-index: 110; }
  .research-grid { grid-template-columns: 1fr; }
  .teaching-grid { grid-template-columns: 1fr; }
  .stat-bar { grid-template-columns: 1fr; }
  .stat-card { border-right: none; border-bottom: 1px solid var(--border); }
  .hero-grid { grid-template-columns: 1fr !important; }
  .hero-photo-wrap { display: none; }
  .cv-entry { grid-template-columns: 1fr; gap: 4px; }
  .journey-item { grid-template-columns: 1fr; gap: 4px; }
  .footer { flex-direction: column; gap: 20px; text-align: center; }
  .photo-gallery--cols-3 { grid-template-columns: 1fr; }
  .photo-gallery--cols-2 { grid-template-columns: 1fr; }
  .media-grid { grid-template-columns: 1fr; }
  .about-layout { grid-template-columns: 1fr; }
}