/* ============================================================
   Nicole P. Marwell — site design system
   Palette 4: Aubergine & Apricot
   ============================================================ */

:root {
  /* core 5-color palette */
  --plum:       #442C41;   /* structural dark: nav, footer, dark sections, headlines */
  --apricot:    #E0996B;   /* accent fills, underlines, large graphic accents */
  --mauve:      #8C7A86;   /* secondary / muted text, eyebrows */
  --oat:        #FAF5F0;   /* page background */
  --ink:        #2A2229;   /* body text */

  /* derived */
  --terracotta: #B5652F;   /* accessible accent for small text / links on light bg */
  --plum-deep:  #2E1D2C;   /* gradients, hovers */
  --plum-soft:  #5A3D56;   /* lifted plum */
  --card:       #FFFFFF;   /* card fills on oat */
  --oat-2:      #F3EBE4;   /* deeper oat for alternating fills */
  --line:       rgba(68,44,65,0.12);
  --line-strong:rgba(68,44,65,0.22);
  --apricot-glow: rgba(224,153,107,0.16);

  --shadow-sm: 0 2px 10px rgba(46,29,44,0.06);
  --shadow-md: 0 10px 34px rgba(46,29,44,0.12);
  --shadow-lg: 0 24px 60px rgba(46,29,44,0.20);

  --serif: 'Fraunces', 'Georgia', 'Times New Roman', serif;
  --sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --wrap: 1180px;
  --nav-h: 76px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ── RESET ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 20px); -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--sans);
  background: var(--oat);
  color: var(--ink);
  font-size: 18px;
  line-height: 1.7;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 500;
  font-optical-sizing: auto;
  line-height: 1.12;
  color: var(--plum);
  letter-spacing: -0.01em;
}

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 40px; }

.eyebrow {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--terracotta);
}

/* ── BUTTONS ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 13px 26px;
  border-radius: 100px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease),
              color 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.btn-primary { background: var(--apricot); color: var(--plum-deep); box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--plum); color: var(--oat); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; color: var(--plum); border-color: var(--line-strong); }
.btn-outline:hover { border-color: var(--plum); background: var(--plum); color: var(--oat); transform: translateY(-2px); }
.btn .arrow { transition: transform 0.25s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

/* ── TOP NAV ────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 200;
  display: flex;
  align-items: center;
  transition: height 0.3s var(--ease), background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.nav.scrolled {
  height: 62px;
  background: rgba(250,245,240,0.86);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  box-shadow: 0 1px 0 var(--line), var(--shadow-sm);
}
.nav-inner {
  max-width: var(--wrap);
  width: 100%;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--plum);
  color: var(--oat);
  display: grid; place-items: center;
  font-family: var(--serif); font-weight: 600; font-size: 1rem;
  flex-shrink: 0;
  transition: transform 0.3s var(--ease);
}
.brand:hover .brand-mark { transform: rotate(-8deg) scale(1.05); }
.brand-name {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.06rem;
  color: var(--plum);
  line-height: 1;
}
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink);
  padding: 9px 14px;
  border-radius: 100px;
  position: relative;
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}
.nav-links a::after {
  content: ''; position: absolute; left: 14px; right: 14px; bottom: 4px;
  height: 2px; background: var(--apricot); border-radius: 2px;
  transform: scaleX(0); transform-origin: left; transition: transform 0.25s var(--ease);
}
.nav-links a:hover { color: var(--plum); }
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }
.nav-links a.active { color: var(--plum); font-weight: 600; }
.nav-links .btn { margin-left: 10px; padding: 9px 20px; }

.nav-toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  width: 44px; height: 44px; padding: 10px;
}
.nav-toggle span { display: block; height: 2px; background: var(--plum); border-radius: 2px; transition: transform 0.3s var(--ease), opacity 0.3s var(--ease); }
.nav-toggle span + span { margin-top: 5px; }
.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── HERO ───────────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: calc(var(--nav-h) + 64px) 0 84px;
  overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; z-index: 0;
  top: -140px; right: -160px; width: 620px; height: 620px;
  background: radial-gradient(circle, var(--apricot-glow) 0%, transparent 68%);
  pointer-events: none;
}
.hero-grid {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 64px;
  align-items: center;
}
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.hero-tag {
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--plum); background: var(--apricot-glow);
  border: 1px solid rgba(224,153,107,0.4);
  padding: 5px 12px; border-radius: 100px;
}
.hero h1 {
  font-size: clamp(2.8rem, 5.5vw, 4.6rem);
  line-height: 1.02;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}
.hero h1 .accent { font-style: italic; color: var(--terracotta); }
.hero-lede {
  font-size: 1.24rem;
  line-height: 1.55;
  color: var(--ink);
  max-width: 30em;
  margin-bottom: 18px;
  font-weight: 400;
}
.hero-sub {
  font-size: 0.98rem;
  color: var(--mauve);
  max-width: 32em;
  margin-bottom: 34px;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }

.hero-photo-wrap { position: relative; justify-self: center; }
.hero-photo-frame {
  position: relative;
  width: min(360px, 78vw);
  aspect-ratio: 4 / 5;
  border-radius: 220px 220px 20px 20px;
  overflow: hidden;
  background: linear-gradient(150deg, var(--plum) 0%, var(--terracotta) 78%, var(--apricot) 100%);
  box-shadow: var(--shadow-lg);
  z-index: 1;
}
.hero-photo-frame img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.hero-photo-frame.is-empty::after {
  content: 'NM';
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-family: var(--serif); font-weight: 600; font-size: 4.5rem;
  color: rgba(250,245,240,0.55);
  letter-spacing: 0.05em;
}
.hero-photo-badge {
  position: absolute; z-index: 2;
  bottom: 22px; left: -26px;
  background: var(--oat);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 18px;
  box-shadow: var(--shadow-md);
  max-width: 210px;
}
.hero-photo-badge .role {
  font-family: var(--serif); font-size: 0.98rem; color: var(--plum); line-height: 1.25; font-weight: 500;
}
.hero-photo-badge .org { font-size: 0.76rem; color: var(--mauve); margin-top: 2px; }

/* ── STAT BAND ──────────────────────────────────────────────── */
.stats {
  background: var(--plum);
  background-image: radial-gradient(circle at 12% 120%, var(--plum-soft) 0%, transparent 55%),
                    radial-gradient(circle at 90% -40%, rgba(224,153,107,0.22) 0%, transparent 55%);
  color: var(--oat);
  padding: 56px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.stat { text-align: center; padding: 6px 10px; position: relative; }
.stat + .stat::before {
  content: ''; position: absolute; left: -12px; top: 12%; bottom: 12%; width: 1px;
  background: rgba(250,245,240,0.16);
}
.stat-num {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  font-weight: 500;
  color: var(--apricot);
  line-height: 1;
  letter-spacing: -0.01em;
}
.stat-num .pre, .stat-num .suf { font-size: 0.62em; }
.stat-label {
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 400;
  color: rgba(250,245,240,0.7);
  margin-top: 10px;
  letter-spacing: 0.02em;
}

/* ── SECTION SCAFFOLD ───────────────────────────────────────── */
.section { padding: 92px 0; }
.section-head { max-width: 640px; margin-bottom: 46px; }
.section-head .eyebrow { display: block; margin-bottom: 14px; }
.section-head h2 { font-size: clamp(2rem, 3.6vw, 2.9rem); }
.section-head p { color: var(--mauve); font-size: 1.05rem; margin-top: 14px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ── RESEARCH PILLAR CARDS ──────────────────────────────────── */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.pillar {
  position: relative;
  display: flex; flex-direction: column;
  min-height: 440px;
  border-radius: 20px;
  overflow: hidden;
  background: var(--plum);
  box-shadow: var(--shadow-sm);
  isolation: isolate;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.pillar:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.pillar-media { position: absolute; inset: 0; z-index: -2; }
.pillar-media::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(46,29,44,0.15) 0%, rgba(46,29,44,0.55) 52%, rgba(46,29,44,0.92) 100%);
}
.pillar:nth-child(1) .pillar-media { background: linear-gradient(150deg, #5A3D56, #B5652F); }
.pillar:nth-child(2) .pillar-media { background: linear-gradient(150deg, #3B2A4A, #7C8B8F); }
.pillar:nth-child(3) .pillar-media { background: linear-gradient(150deg, #442C41, #E0996B); }
.pillar-media img { width: 100%; height: 100%; object-fit: cover; }
img.is-empty { display: none; }
.pillar-num {
  position: absolute; top: 20px; right: 24px; z-index: 1;
  font-family: var(--serif); font-size: 1.05rem; font-weight: 500;
  color: rgba(250,245,240,0.6);
}
.pillar-body { margin-top: auto; padding: 30px 28px; color: var(--oat); position: relative; z-index: 1; }
.pillar-body .eyebrow { color: var(--apricot); margin-bottom: 10px; display: block; }
.pillar-title { font-size: 1.5rem; color: var(--oat); line-height: 1.15; margin-bottom: 12px; }
.pillar-desc {
  font-size: 0.92rem; color: rgba(250,245,240,0.8); line-height: 1.55;
  max-height: 0; opacity: 0; overflow: hidden;
  transition: max-height 0.45s var(--ease), opacity 0.35s var(--ease), margin 0.45s var(--ease);
}
.pillar:hover .pillar-desc, .pillar:focus-within .pillar-desc { max-height: 200px; opacity: 1; margin-bottom: 16px; }
.pillar-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.76rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--apricot);
}
.pillar .arrow { transition: transform 0.3s var(--ease); }
.pillar:hover .arrow { transform: translateX(5px); }
.pillar-stretch { position: absolute; inset: 0; z-index: 2; }

/* ── CTA STRIP ──────────────────────────────────────────────── */
.cta {
  background: var(--oat-2);
  border-radius: 24px;
  padding: 60px;
  display: flex; align-items: center; justify-content: space-between; gap: 40px;
  position: relative; overflow: hidden;
}
.cta::before {
  content: ''; position: absolute; top: -60px; right: -40px; width: 320px; height: 320px;
  background: radial-gradient(circle, var(--apricot-glow) 0%, transparent 70%);
}
.cta-text { position: relative; z-index: 1; }
.cta-text h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); margin-bottom: 10px; }
.cta-text p { color: var(--mauve); max-width: 40em; }
.cta-actions { position: relative; z-index: 1; display: flex; gap: 14px; flex-shrink: 0; }

/* ── FOOTER ─────────────────────────────────────────────────── */
.footer { background: var(--plum); color: rgba(250,245,240,0.72); padding: 64px 0 30px; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(250,245,240,0.14); }
.footer-brand .brand-name { color: var(--oat); font-size: 1.3rem; }
.footer-brand p { margin-top: 12px; font-size: 0.9rem; max-width: 30em; color: rgba(250,245,240,0.6); }
.footer-col h4 { color: var(--apricot); font-family: var(--sans); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; margin-bottom: 16px; }
.footer-col a { display: block; color: rgba(250,245,240,0.72); font-size: 0.9rem; padding: 5px 0; transition: color 0.2s var(--ease), transform 0.2s var(--ease); }
.footer-col a:hover { color: var(--apricot); transform: translateX(3px); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; font-size: 0.8rem; color: rgba(250,245,240,0.5); flex-wrap: wrap; gap: 10px; }

/* ── SECTION HEAD ROW (title + trailing link) ───────────────── */
.section-head-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 46px; flex-wrap: wrap; }
.section-head-row .section-head { margin-bottom: 0; }
.head-link { font-size: 0.82rem; font-weight: 600; letter-spacing: 0.04em; color: var(--terracotta); display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; }
.head-link .arrow { transition: transform 0.25s var(--ease); }
.head-link:hover .arrow { transform: translateX(4px); }

/* ── FEATURED BOOK ──────────────────────────────────────────── */
.feature-book {
  background: var(--oat-2);
  border-radius: 24px;
  padding: 48px;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.feature-book::before {
  content: ''; position: absolute; top: -70px; right: -50px; width: 320px; height: 320px;
  background: radial-gradient(circle, var(--apricot-glow) 0%, transparent 70%); pointer-events: none;
}
.book-cover {
  position: relative;
  aspect-ratio: 2 / 3;
  border-radius: 4px 10px 10px 4px;
  overflow: hidden;
  background: linear-gradient(155deg, var(--plum) 0%, var(--terracotta) 100%);
  box-shadow: var(--shadow-lg);
  z-index: 1;
}
.book-cover::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 9px; background: rgba(0,0,0,0.18); z-index: 2; }
.book-cover img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.book-cover-fallback {
  position: absolute; inset: 0; display: none;
  align-items: center; justify-content: center; text-align: center; padding: 22px 20px;
  font-family: var(--serif); font-style: italic; font-weight: 500; font-size: 1.08rem;
  color: rgba(250,245,240,0.95); line-height: 1.32;
}
.book-cover.is-empty .book-cover-fallback { display: flex; }
.feature-info { position: relative; z-index: 1; }
.feature-info .eyebrow { display: block; margin-bottom: 12px; }
.feature-info h3 { font-size: clamp(1.55rem, 2.6vw, 2.1rem); font-style: italic; line-height: 1.15; margin-bottom: 10px; }
.feature-authors { color: var(--mauve); font-size: 0.95rem; margin-bottom: 16px; }
.feature-desc { font-size: 1rem; margin-bottom: 22px; max-width: 44em; }
.feature-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 20px; }
.feature-also { display: flex; gap: 16px; align-items: flex-start; font-size: 0.88rem; color: var(--mauve); border-top: 1px solid var(--line); padding-top: 18px; }
.mini-cover { width: 52px; flex-shrink: 0; border-radius: 2px 5px 5px 2px; box-shadow: var(--shadow-sm); }
.feature-also a { font-weight: 600; }

/* ── SELECTED WORKS ─────────────────────────────────────────── */
.selected-list { border-top: 1px solid var(--line); }
.selected-item {
  display: grid; grid-template-columns: 80px 1fr auto; gap: 0 24px; align-items: center;
  padding: 22px 8px; border-bottom: 1px solid var(--line); text-decoration: none;
  transition: background 0.25s var(--ease), padding 0.25s var(--ease);
}
.selected-item:hover { background: var(--oat-2); padding-left: 18px; padding-right: 18px; }
.selected-year { font-family: var(--serif); font-size: 1.2rem; color: var(--terracotta); }
.s-title { font-family: var(--serif); font-size: 1.12rem; color: var(--plum); line-height: 1.25; margin-bottom: 4px; }
.s-venue { font-size: 0.85rem; color: var(--mauve); }
.selected-meta { display: flex; align-items: center; gap: 16px; }
.selected-badge {
  font-size: 0.6rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--terracotta); border: 1px solid rgba(181,101,47,0.4); border-radius: 100px;
  padding: 4px 11px; white-space: nowrap;
}
.selected-arrow { color: var(--mauve); font-size: 1.15rem; transition: transform 0.25s var(--ease), color 0.25s var(--ease); }
.selected-item:hover .selected-arrow { transform: translateX(4px); color: var(--terracotta); }

/* ── ABOUT TEASER ───────────────────────────────────────────── */
.about-teaser { display: grid; grid-template-columns: 1fr 0.82fr; gap: 56px; align-items: center; }
.about-text .eyebrow { display: block; margin-bottom: 14px; }
.about-text h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); margin-bottom: 18px; }
.about-lead { font-size: 1.08rem; color: var(--ink); margin-bottom: 20px; }
.about-quote {
  border-left: 3px solid var(--apricot); padding-left: 20px; margin: 0 0 26px;
  font-family: var(--serif); font-style: italic; font-size: 1.2rem; color: var(--plum); line-height: 1.4;
}
.about-photo {
  position: relative; aspect-ratio: 16 / 9; border-radius: 20px; overflow: hidden;
  background: linear-gradient(150deg, var(--plum-soft) 0%, var(--apricot) 100%);
  box-shadow: var(--shadow-md);
}
.about-photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.about-photo.is-empty::after {
  content: 'Photo'; position: absolute; inset: 0; display: grid; place-items: center;
  font-family: var(--sans); font-size: 0.8rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: rgba(250,245,240,0.6);
}

/* ── MEDIA STRIP ────────────────────────────────────────────── */
.media-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.media-card {
  display: flex; flex-direction: column; min-height: 200px;
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: 26px 24px; text-decoration: none;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.media-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(224,153,107,0.55); }
.media-outlet { font-size: 0.68rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--terracotta); margin-bottom: 12px; }
.media-headline { font-family: var(--serif); font-size: 1.14rem; color: var(--plum); line-height: 1.28; margin-bottom: auto; }
.media-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 20px; font-size: 0.8rem; color: var(--mauve); }
.media-card .arrow { color: var(--terracotta); transition: transform 0.25s var(--ease); }
.media-card:hover .arrow { transform: translateX(4px); }

/* ── SCROLL REVEAL ──────────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }

/* ── INTERIOR PAGE HEADER ───────────────────────────────────── */
.page-head { position: relative; padding: calc(var(--nav-h) + 56px) 0 40px; overflow: hidden; }
.page-head::before {
  content: ''; position: absolute; top: -120px; right: -120px; width: 520px; height: 520px;
  background: radial-gradient(circle, var(--apricot-glow) 0%, transparent 68%); pointer-events: none;
}
.page-head .wrap { position: relative; z-index: 1; }
.page-head .eyebrow { display: block; margin-bottom: 14px; }
.page-head h1 { font-size: clamp(2.4rem, 4.6vw, 3.6rem); letter-spacing: -0.02em; margin-bottom: 16px; }
.page-head p { color: var(--mauve); max-width: 46em; font-size: 1.08rem; }

/* ── FILTER BAR ─────────────────────────────────────────────── */
.filter-bar {
  position: sticky; top: 58px; z-index: 40;
  background: rgba(250,245,240,0.92);
  backdrop-filter: saturate(140%) blur(10px); -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 16px 0;
}
.filter-row { display: flex; flex-wrap: wrap; gap: 14px 22px; align-items: center; }
.filter-group { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.filter-label { font-size: 0.68rem; font-weight: 700; letter-spacing: 0.13em; text-transform: uppercase; color: var(--mauve); }
.filter-search { position: relative; flex: 1 1 240px; max-width: 340px; }
.filter-search input {
  width: 100%; padding: 10px 16px 10px 38px; border: 1px solid var(--line-strong);
  border-radius: 100px; background: var(--card); font-family: var(--sans); font-size: 0.9rem; color: var(--ink);
}
.filter-search input:focus { outline: 2px solid var(--apricot); outline-offset: 1px; border-color: transparent; }
.filter-search::before { content: '⌕'; position: absolute; left: 15px; top: 50%; transform: translateY(-50%); color: var(--mauve); font-size: 1rem; }
.chip {
  font-family: var(--sans); font-size: 0.78rem; font-weight: 500; padding: 7px 14px;
  border-radius: 100px; border: 1px solid var(--line-strong); background: transparent; color: var(--ink);
  cursor: pointer; transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.chip:hover { border-color: var(--plum); }
.chip.active { background: var(--plum); color: var(--oat); border-color: var(--plum); }

.filter-meta { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin: 26px 0 6px; }
.filter-meta #pub-count { font-size: 0.85rem; color: var(--mauve); }
.sort-toggle {
  background: none; border: 1px solid var(--line-strong); border-radius: 100px; padding: 7px 16px;
  font-family: var(--sans); font-size: 0.8rem; color: var(--ink); cursor: pointer; display: inline-flex; gap: 8px; align-items: center;
}
.sort-toggle:hover { border-color: var(--plum); }
.sort-toggle .sort-val { font-weight: 600; color: var(--plum); }

/* ── PUBLICATION ROWS ───────────────────────────────────────── */
.pub-list { padding-bottom: 20px; }
.pub { display: grid; grid-template-columns: 72px 1fr; gap: 0 22px; padding: 26px 8px; border-bottom: 1px solid var(--line); }
.pub[hidden] { display: none; }
.pub-year { font-family: var(--serif); font-size: 1.15rem; color: var(--terracotta); padding-top: 2px; }
.pub-title { font-family: var(--serif); font-size: 1.22rem; line-height: 1.28; color: var(--plum); margin-bottom: 7px; }
.pub-authors { font-size: 0.92rem; color: var(--ink); margin-bottom: 3px; }
.pub-authors strong { color: var(--plum); font-weight: 600; }
.pub-venue { font-size: 0.88rem; color: var(--mauve); font-style: italic; margin-bottom: 12px; }
.pub-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.pub-badge { font-size: 0.6rem; font-weight: 700; letter-spacing: 0.09em; text-transform: uppercase; padding: 4px 10px; border-radius: 100px; }
.pub-badge.type { background: var(--oat-2); color: var(--plum); }
.pub-badge.award { background: rgba(181,101,47,0.14); color: var(--terracotta); }
.pub-badge.forth { background: rgba(140,122,134,0.18); color: var(--mauve); }
.pub-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; }
.pub-link, .pub-abstract-toggle, .cite-btn {
  font-family: var(--sans); font-size: 0.76rem; font-weight: 600; letter-spacing: 0.02em;
  padding: 7px 14px; border-radius: 100px; border: 1px solid var(--line-strong);
  background: transparent; color: var(--plum); cursor: pointer; text-decoration: none;
  display: inline-flex; align-items: center; gap: 6px; transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.pub-link:hover, .pub-abstract-toggle:hover, .cite-btn:hover { border-color: var(--plum); background: var(--plum); color: var(--oat); }
.pub-cite { position: relative; }
.cite-menu {
  position: absolute; top: calc(100% + 6px); left: 0; z-index: 20; min-width: 172px;
  background: var(--card); border: 1px solid var(--line-strong); border-radius: 12px;
  box-shadow: var(--shadow-md); padding: 6px; display: none;
}
.pub-cite.open .cite-menu { display: block; }
.cite-menu button { display: block; width: 100%; text-align: left; background: none; border: none; padding: 9px 12px; border-radius: 8px; font-family: var(--sans); font-size: 0.82rem; color: var(--ink); cursor: pointer; }
.cite-menu button:hover { background: var(--oat-2); color: var(--plum); }
.pub-abstract { margin-top: 14px; padding: 16px 18px; background: var(--oat-2); border-radius: 12px; font-size: 0.92rem; color: var(--ink); line-height: 1.62; }
.pub-empty { text-align: center; padding: 64px 20px; color: var(--mauve); font-size: 1rem; }

/* ── TOAST ──────────────────────────────────────────────────── */
.toast {
  position: fixed; bottom: 26px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--plum); color: var(--oat); padding: 12px 22px; border-radius: 100px;
  box-shadow: var(--shadow-lg); font-size: 0.86rem; font-weight: 500;
  opacity: 0; pointer-events: none; z-index: 300;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── SUB-NAV (research) ─────────────────────────────────────── */
.subnav {
  position: sticky; top: 58px; z-index: 40;
  background: rgba(250,245,240,0.92);
  backdrop-filter: saturate(140%) blur(10px); -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.subnav .wrap { display: flex; flex-wrap: wrap; gap: 6px; padding-top: 12px; padding-bottom: 12px; }
.subnav a { font-family: var(--sans); font-size: 0.82rem; font-weight: 500; color: var(--ink); padding: 8px 16px; border-radius: 100px; transition: background 0.2s var(--ease), color 0.2s var(--ease); }
.subnav a:hover { background: var(--oat-2); color: var(--plum); }

/* ── RESEARCH BLOCKS ────────────────────────────────────────── */
.research-block { padding-top: 48px; }
.rb-banner { position: relative; isolation: isolate; min-height: 240px; border-radius: 20px; overflow: hidden; display: flex; align-items: flex-end; margin-bottom: 32px; background: var(--plum); }
.rb-banner img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.rb-banner::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(46,29,44,0.15) 0%, rgba(46,29,44,0.72) 100%); }
.rb-banner .pillar-media::after { content: none; } /* banner supplies its own overlay above; avoid double-darkening the photo */
#nonprofit .rb-banner { background: linear-gradient(135deg, #5A3D56, #B5652F); }
#internet .rb-banner { background: linear-gradient(135deg, #3B2A4A, #7C8B8F); }
#ai .rb-banner { background: linear-gradient(135deg, #442C41, #E0996B); }
.rb-banner-label { position: relative; z-index: 1; padding: 30px 34px; }
.rb-banner-label .eyebrow { color: var(--apricot); display: block; margin-bottom: 8px; }
.rb-banner-label h2 { color: var(--oat); font-size: clamp(1.8rem, 3.2vw, 2.6rem); }
.rb-lede { font-size: 1.12rem; max-width: 62ch; margin-bottom: 22px; color: var(--ink); }
.chips-row { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 36px; }
.qchip { font-size: 0.84rem; background: var(--oat-2); color: var(--plum); border-radius: 100px; padding: 8px 16px; border: 1px solid var(--line); }
.rb-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 44px; align-items: start; }
.rb-subhead { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--mauve); margin-bottom: 14px; }
.side-card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 24px; margin-bottom: 20px; }
.side-item { padding: 12px 0; border-bottom: 1px solid var(--line); }
.side-item:last-child { border-bottom: none; }
.si-title { font-family: var(--serif); font-size: 1rem; color: var(--plum); line-height: 1.3; }
.si-meta { font-size: 0.82rem; color: var(--mauve); margin-top: 3px; }

/* ── COLLABORATOR CARDS ─────────────────────────────────────── */
.collab-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.collab-card { border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; background: var(--card); }
.collab-school { font-size: 0.64rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--terracotta); margin-bottom: 6px; }
.collab-name { font-family: var(--serif); font-size: 1.02rem; color: var(--plum); line-height: 1.3; }
.collab-name span { display: block; font-family: var(--sans); font-size: 0.82rem; color: var(--mauve); font-weight: 400; margin-top: 2px; }

/* ── GRANTS ─────────────────────────────────────────────────── */
.grant-stats { display: flex; flex-wrap: wrap; gap: 16px; }
.grant-stat { background: var(--plum); color: var(--oat); border-radius: 16px; padding: 22px 26px; flex: 1 1 180px; }
.grant-stat .gs-num { font-family: var(--serif); font-size: 2rem; color: var(--apricot); line-height: 1; }
.grant-stat .gs-label { font-size: 0.82rem; color: rgba(250,245,240,0.72); margin-top: 8px; }
.grant-group { margin-top: 48px; }
.grant-group > h2 { font-family: var(--serif); font-size: 1.5rem; color: var(--plum); padding-bottom: 12px; border-bottom: 2px solid var(--apricot); }
.grant-item { display: grid; grid-template-columns: 150px 1fr; gap: 0 24px; padding: 22px 4px; border-bottom: 1px solid var(--line); }
.grant-year { font-family: var(--serif); font-size: 1.05rem; color: var(--plum); }
.grant-amount { font-size: 0.9rem; font-weight: 700; color: var(--terracotta); margin-top: 2px; }
.grant-title { font-family: var(--serif); font-size: 1.1rem; color: var(--plum); line-height: 1.3; margin-bottom: 4px; }
.grant-funder { font-size: 0.86rem; color: var(--mauve); }

/* ── COURSES & STUDENTS ─────────────────────────────────────── */
.course-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.course-card { border: 1px solid var(--line); border-radius: 16px; padding: 26px; background: var(--card); transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease); }
.course-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(224,153,107,0.5); }
.course-level { font-size: 0.66rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--terracotta); margin-bottom: 8px; }
.course-name { font-family: var(--serif); font-size: 1.15rem; color: var(--plum); line-height: 1.25; margin-bottom: 10px; }
.course-desc { font-size: 0.9rem; color: var(--mauve); line-height: 1.6; }
.prev-list, .student-list { columns: 2; column-gap: 40px; margin-top: 8px; padding: 0; list-style: none; }
.prev-list li { break-inside: avoid; margin-bottom: 10px; font-size: 0.92rem; color: var(--ink); padding-left: 16px; position: relative; }
.prev-list li::before { content: '—'; position: absolute; left: 0; color: var(--apricot); }
.student-item { break-inside: avoid; padding: 10px 0; border-bottom: 1px solid var(--line); }
.st-name { color: var(--plum); font-weight: 600; font-size: 0.94rem; }
.st-meta { color: var(--mauve); font-size: 0.84rem; }

/* ── MEDIA GRID + LIGHTBOX ──────────────────────────────────── */
.media-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.media-tile { display: flex; flex-direction: column; min-height: 176px; background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 24px; text-decoration: none; cursor: pointer; transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease); }
.media-tile:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: rgba(224,153,107,0.5); }
.media-type { font-size: 0.64rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--terracotta); margin-bottom: 10px; }
.mt-title { font-family: var(--serif); font-size: 1.08rem; color: var(--plum); line-height: 1.3; margin-bottom: auto; }
.mt-foot { margin-top: 16px; font-size: 0.8rem; color: var(--mauve); display: flex; justify-content: space-between; align-items: center; }
.mt-foot .arrow { color: var(--terracotta); }
.lightbox { position: fixed; inset: 0; background: rgba(42,34,41,0.86); display: none; align-items: center; justify-content: center; z-index: 400; padding: 24px; }
.lightbox.open { display: flex; }
.lightbox-inner { width: min(900px, 100%); aspect-ratio: 16 / 9; position: relative; }
.lightbox iframe { width: 100%; height: 100%; border: 0; border-radius: 12px; background: #000; }
.lightbox-close { position: absolute; top: -46px; right: 0; background: none; border: none; color: var(--oat); font-size: 2rem; line-height: 1; cursor: pointer; }

/* ── ABOUT ──────────────────────────────────────────────────── */
.about-cols { display: grid; grid-template-columns: 0.82fr 1.18fr; gap: 56px; align-items: start; }
.about-portrait { position: sticky; top: 100px; aspect-ratio: 4 / 5; border-radius: 20px; overflow: hidden; background: linear-gradient(150deg, var(--plum) 0%, var(--terracotta) 100%); box-shadow: var(--shadow-lg); }
.about-portrait img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.about-portrait.is-empty::after { content: 'NM'; position: absolute; inset: 0; display: grid; place-items: center; font-family: var(--serif); font-size: 4rem; color: rgba(250,245,240,0.5); }
.bio p { margin-bottom: 16px; }
.bio-more { display: none; }
.bio.open .bio-more { display: block; }
.bio-toggle { margin-top: 8px; }
.facts { margin-top: 4px; }
.fact-row { display: grid; grid-template-columns: 150px 1fr; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.fact-row dt { color: var(--mauve); font-size: 0.74rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; padding-top: 2px; }
.fact-row dd { color: var(--ink); font-size: 0.96rem; }
.profile-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 6px; }
.contact-line { font-size: 1rem; margin-bottom: 8px; }
.contact-line strong { color: var(--plum); }

/* ── ACCESSIBILITY ──────────────────────────────────────────── */
.skip-link { position: absolute; left: 16px; top: -52px; z-index: 500; background: var(--plum); color: var(--oat); padding: 10px 18px; border-radius: 8px; font-size: 0.85rem; font-weight: 600; transition: top 0.2s var(--ease); }
.skip-link:focus { top: 16px; }
a:focus-visible, button:focus-visible, input:focus-visible, .chip:focus-visible, [tabindex]:focus-visible { outline: 2px solid var(--terracotta); outline-offset: 2px; border-radius: 4px; }
.pub-title a { color: inherit; text-decoration: none; }
.pub-title a:hover { color: var(--terracotta); }

/* ── PAPER (per-publication) PAGES ──────────────────────────── */
.paper-wrap { max-width: 800px; }
.paper-breadcrumb { margin-bottom: 18px; }
.paper-breadcrumb a { font-size: 0.82rem; font-weight: 600; color: var(--terracotta); }
.paper-head h1 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); line-height: 1.18; margin-bottom: 14px; }
.paper-links { display: flex; flex-wrap: wrap; gap: 12px; margin: 4px 0 36px; }
.paper-section-title { font-family: var(--serif); font-size: 1.4rem; color: var(--plum); margin: 8px 0 14px; }
.paper-abstract { font-size: 1.02rem; line-height: 1.75; color: var(--ink); margin-bottom: 36px; }
.cite-box { position: relative; background: var(--oat-2); border-radius: 12px; padding: 18px 20px; font-size: 0.94rem; line-height: 1.65; color: var(--ink); margin-bottom: 14px; }
.cite-box.bib pre { white-space: pre-wrap; word-break: break-word; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.8rem; line-height: 1.5; margin: 0; }
.cite-box .copy-btn { margin-top: 12px; }

/* ── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 940px) {
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero-photo-wrap { order: -1; }
  .pillars { grid-template-columns: 1fr; }
  .pillar { min-height: 340px; }
  .pillar-desc { max-height: 200px; opacity: 1; margin-bottom: 16px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .feature-book { grid-template-columns: 1fr; gap: 30px; padding: 36px; }
  .book-cover { width: 190px; margin: 0 auto; }
  .about-teaser { grid-template-columns: 1fr; gap: 36px; }
  .about-photo { order: -1; aspect-ratio: 16 / 9; }
  .media-strip { grid-template-columns: 1fr 1fr; }
  .rb-grid { grid-template-columns: 1fr; gap: 32px; }
  .collab-grid { grid-template-columns: 1fr; }
  .course-grid { grid-template-columns: 1fr; }
  .media-grid { grid-template-columns: 1fr 1fr; }
  .about-cols { grid-template-columns: 1fr; gap: 36px; }
  .about-portrait { position: relative; top: 0; max-width: 320px; }
}
@media (max-width: 760px) {
  .wrap, .nav-inner { padding: 0 22px; }
  .nav-links {
    position: fixed; inset: var(--nav-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: var(--oat); padding: 16px 22px 24px;
    box-shadow: var(--shadow-md);
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
  }
  .nav-open .nav-links { transform: none; opacity: 1; pointer-events: auto; }
  .nav-links a { padding: 12px 8px; }
  .nav-links a::after { display: none; }
  .nav-links .btn { margin: 8px 0 0; justify-content: center; }
  .nav-toggle { display: block; }
  .stats-grid { gap: 18px 10px; }
  .stat + .stat::before { display: none; }
  .section { padding: 64px 0; }
  .cta { flex-direction: column; align-items: flex-start; padding: 40px 28px; }
  .media-strip { grid-template-columns: 1fr; }
  .selected-item { grid-template-columns: 56px 1fr; }
  .selected-meta { display: none; }
  .pub { grid-template-columns: 1fr; gap: 6px; }
  .pub-year { font-size: 0.95rem; color: var(--terracotta); font-weight: 500; }
  .filter-meta { flex-direction: column; align-items: flex-start; gap: 10px; }
  .media-grid { grid-template-columns: 1fr; }
  .grant-item { grid-template-columns: 1fr; gap: 4px; }
  .grant-meta { display: flex; gap: 14px; align-items: baseline; }
  .grant-amount { margin-top: 0; }
  .prev-list, .student-list { columns: 1; }
  .fact-row { grid-template-columns: 1fr; gap: 2px; }
}
@media (max-width: 380px) {
  body { font-size: 17px; }
  .hero h1 { font-size: 2.5rem; }
}

/* ── REDUCED MOTION ─────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}