/* ===================================================================
   Nonparametric Learning & Optimization Lab — Stylesheet
   Design: Editorial academic, warm paper + deep wine accent
   Typography: Fraunces (display) + IBM Plex Sans/Mono (body/meta)
   =================================================================== */

:root {
  /* Color system */
  --paper:        #faf6ee;
  --paper-warm:   #f2ebdb;
  --ink:          #1a1a1a;
  --ink-soft:     #454545;
  --ink-mute:     #8a8580;
  --rule:         #d8d0c0;
  --rule-soft:    #ebe4d4;
  --accent:       #6d1a2b;
  --accent-soft:  #f3e4e6;

  /* Typography */
  --font-display: 'Fraunces', 'Source Serif 4', Georgia, serif;
  --font-body:    'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, monospace;

  /* Layout */
  --content-width: 720px;
  --wide-width:    1000px;
}

/* Reset & base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image:
    radial-gradient(circle at 20% 10%, rgba(109, 26, 43, 0.018) 0%, transparent 50%),
    radial-gradient(circle at 90% 80%, rgba(109, 26, 43, 0.012) 0%, transparent 50%);
}

/* Layout container */
.container {
  max-width: var(--wide-width);
  width: 100%;
  margin: 0 auto;
  padding: 0 2.5rem;
}

/* ---------- Header & Navigation ---------- */
.site-header {
  padding: 2.25rem 0 1.75rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 3.5rem;
}

.site-header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
  color: var(--ink);
}

.site-logo-mark {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.22em;
  border: 1px solid var(--accent);
  padding: 0.35rem 0.55rem;
  border-radius: 2px;
  line-height: 1;
}

.site-logo-text {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  font-variation-settings: "opsz" 14;
}

nav.site-nav {
  display: flex;
  gap: 2.25rem;
  font-size: 0.92rem;
}

nav.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  padding: 0.25rem 0;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
  letter-spacing: 0.01em;
}

nav.site-nav a:hover { color: var(--accent); }

nav.site-nav a.current {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

/* ---------- Main content frame ---------- */
main {
  flex: 1;
  padding-bottom: 5rem;
}

.content {
  max-width: var(--content-width);
  margin: 0 auto;
}

/* Page kicker + title (used on CV, Research, Members) */
.page-kicker {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.page-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.1rem, 5vw, 3.3rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin-bottom: 1.5rem;
  font-variation-settings: "opsz" 144;
  color: var(--ink);
}

.page-intro {
  font-size: 1.05rem;
  color: var(--ink-soft);
  max-width: 580px;
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--rule);
}

/* ---------- Home: hero section ---------- */
.hero {
  margin-bottom: 3rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--rule);
}

.hero-kicker {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-variation-settings: "opsz" 144;
  margin-bottom: 1.5rem;
  max-width: 900px;
}

.hero-title em {
  font-style: italic;
  color: var(--accent);
  font-weight: 300;
}

.hero-meta {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-soft);
  line-height: 1.9;
  margin-top: 1.5rem;
}

.hero-meta .meta-label {
  color: var(--ink-mute);
  display: inline-block;
  min-width: 5rem;
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
}

.hero-meta a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px dotted var(--accent);
}

.hero-meta a:hover { background: var(--accent-soft); }

/* ---------- Profile block (Home) ---------- */
.profile-block {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2.75rem;
  align-items: start;
  margin-bottom: 3rem;
}

.profile-photo {
  width: 200px;
  height: 250px;
  background: var(--rule-soft);
  background-image: url('images/profile.jpg');
  background-size: cover;
  background-position: center;
  border: 1px solid var(--rule);
  position: relative;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04), 0 8px 24px -8px rgba(0,0,0,0.08);
}

.profile-photo::after {
  content: '';
  position: absolute;
  inset: 7px;
  border: 1px solid rgba(255,255,255,0.35);
  pointer-events: none;
}

.profile-intro p.lead {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 1.35rem;
  line-height: 1.45;
  color: var(--ink);
  margin-bottom: 1.25rem;
  font-variation-settings: "opsz" 36;
}

/* ---------- Section headings ---------- */
.section-heading {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 3.5rem 0 1.75rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

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

/* ---------- Body typography ---------- */
p {
  margin-bottom: 1.2rem;
  color: var(--ink-soft);
  font-size: 1rem;
}

strong { font-weight: 600; color: var(--ink); }
em { font-style: italic; }

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

a:hover { border-bottom-color: var(--accent); }

/* ---------- Research themes (Home) ---------- */
.research-themes {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.research-theme {
  padding-left: 1.5rem;
  border-left: 2px solid var(--rule);
  transition: border-color 0.25s ease;
}

.research-theme:hover { border-left-color: var(--accent); }

.research-theme-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.18rem;
  color: var(--ink);
  margin-bottom: 0.5rem;
  font-variation-settings: "opsz" 24;
}

.research-theme p { margin-bottom: 0; }

/* ---------- Join Us block ---------- */
.join-us {
  margin-top: 2rem;
  padding: 2rem 2.25rem;
  background: var(--paper-warm);
  border-left: 3px solid var(--accent);
}

.join-us p { margin-bottom: 0; color: var(--ink); }

/* ---------- CV tables & entries ---------- */
.cv-basics {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
}

.cv-basics tr { border-bottom: 1px solid var(--rule); }
.cv-basics tr:last-child { border-bottom: none; }

.cv-basics td {
  padding: 0.85rem 0;
  font-size: 0.95rem;
  vertical-align: top;
}

.cv-basics td:first-child {
  font-family: var(--font-mono);
  color: var(--ink-mute);
  width: 32%;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding-right: 1.5rem;
  padding-top: 1rem;
}

.cv-basics td:last-child { color: var(--ink); }

.cv-entry {
  display: grid;
  grid-template-columns: 135px 1fr;
  gap: 2rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--rule);
}

.cv-entry:last-child { border-bottom: none; }

.cv-entry-logo { grid-template-columns: 115px 58px 1fr; gap: 1.75rem; }

.cv-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-mute);
  letter-spacing: 0.05em;
  padding-top: 0.35rem;
  line-height: 1.5;
}

.cv-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.12rem;
  color: var(--ink);
  margin-bottom: 0.3rem;
  font-variation-settings: "opsz" 20;
}

.cv-org {
  font-size: 0.95rem;
  color: var(--ink-soft);
  margin-bottom: 0.45rem;
}

.cv-note {
  font-size: 0.88rem;
  color: var(--ink-mute);
  font-style: italic;
}

/* Award list */
.award-list { list-style: none; }

.award-list li {
  display: grid;
  grid-template-columns: 135px 1fr;
  gap: 2rem;
  padding: 0.85rem 0;
  border-bottom: 1px dotted var(--rule);
  font-size: 0.95rem;
}

.award-list li:last-child { border-bottom: none; }

.award-list .year {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  padding-top: 0.15rem;
}

.award-list .desc { color: var(--ink-soft); }

/* Teaching pill groups */
.teaching-group { margin-bottom: 2rem; }

.teaching-level {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--ink);
  margin-bottom: 0.75rem;
}

.course-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
}

.course-list li {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--rule);
  border-radius: 2px;
  color: var(--ink-soft);
  background: rgba(255,255,255,0.4);
}

/* ---------- Publications ---------- */
.pub-year {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 2.2rem;
  color: var(--accent);
  margin: 3rem 0 1rem;
  font-variation-settings: "opsz" 120;
  letter-spacing: -0.02em;
  line-height: 1;
}

.pub-year:first-of-type { margin-top: 1rem; }

.pub-list {
  list-style: none;
  counter-reset: pub-counter;
}

.pub-item {
  counter-increment: pub-counter;
  padding: 1.25rem 0;
  padding-left: 3rem;
  position: relative;
  border-bottom: 1px solid var(--rule);
  font-size: 0.94rem;
  line-height: 1.65;
}

.pub-item::before {
  content: attr(data-num);
  position: absolute;
  left: 0;
  top: 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  font-weight: 500;
}

.pub-item:last-child { border-bottom: none; }

.pub-authors { color: var(--ink); display: block; margin-bottom: 0.15rem; }
.pub-authors .self { font-weight: 600; color: var(--accent); }

.pub-title { color: var(--ink); display: block; }

.pub-title a {
  color: inherit;
  text-decoration: none;
  border-bottom: none;
  background-image: linear-gradient(var(--accent), var(--accent));
  background-size: 0 1px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: background-size 0.25s ease, color 0.25s ease;
  padding-bottom: 2px;
}

.pub-title a:hover {
  color: var(--accent);
  background-size: 100% 1px;
}

.pub-venue {
  font-style: italic;
  color: var(--ink-soft);
  display: block;
  margin-top: 0.15rem;
  font-size: 0.9rem;
}

/* Talks */
.talks-list { list-style: none; }

.talks-list li {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1.5rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--rule);
}

.talks-list li:last-child { border-bottom: none; }

.talks-list .year {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  padding-top: 0.1rem;
}

.talks-list .talk-title {
  color: var(--ink);
  font-size: 0.95rem;
  line-height: 1.55;
}

.talks-list .venue {
  font-style: italic;
  color: var(--ink-soft);
  font-size: 0.88rem;
  display: block;
  margin-top: 0.25rem;
}

/* ---------- Members ---------- */
.member-card {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 2.25rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--rule);
}

.member-photo {
  width: 140px;
  height: 170px;
  background: var(--rule-soft);
  background-size: cover;
  background-position: center;
  border: 1px solid var(--rule);
  box-shadow: 0 1px 2px rgba(0,0,0,0.04), 0 8px 24px -8px rgba(0,0,0,0.08);
}

.member-info h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.35rem;
  margin-bottom: 0.3rem;
  color: var(--ink);
}

.member-role {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
}

.member-detail {
  font-size: 0.93rem;
  color: var(--ink-soft);
  margin-bottom: 0.3rem;
}

.empty-state {
  padding: 3rem 2rem;
  text-align: center;
  color: var(--ink-mute);
  background: rgba(0,0,0,0.015);
  border: 1px dashed var(--rule);
  font-style: italic;
  margin-top: 1rem;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--rule);
  padding: 2rem 0 2.5rem;
  margin-top: 2rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-mute);
  text-align: center;
  letter-spacing: 0.08em;
}

.site-footer a {
  color: var(--ink-mute);
  border-bottom: none;
}

.site-footer a:hover { color: var(--accent); }

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  html { font-size: 16px; }
  .container { padding: 0 1.25rem; }

  .site-header { padding: 1.5rem 0 1.25rem; margin-bottom: 2.5rem; }
  .site-header-inner { flex-direction: column; align-items: flex-start; gap: 1.1rem; }
  nav.site-nav { gap: 1.4rem; font-size: 0.88rem; }

  .profile-block { grid-template-columns: 1fr; gap: 1.75rem; }
  .profile-photo { width: 160px; height: 200px; }

  .award-list li, .member-card {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .cv-entry { grid-template-columns: 1fr; gap: 0.5rem; }
  .cv-entry-logo {
    grid-template-columns: 44px 1fr;
    gap: 0.45rem 1rem;
  }
  .cv-entry-logo .cv-date { grid-column: 1 / -1; }
  .cv-logo { height: 34px; }
  .cv-logo img { max-height: 34px; }

  .cv-date, .award-list .year { padding-top: 0; font-size: 0.75rem; }

  .member-card { gap: 1.25rem; }
  .member-photo { width: 120px; height: 145px; }

  .talks-list li { grid-template-columns: 1fr; gap: 0.4rem; }
  .talks-list .year { padding-top: 0; }

  .hero-meta .meta-label { display: block; min-width: 0; margin-top: 0.5rem; }
}

/* ---------- Methods page ---------- */
.methods-intro { margin-bottom: 2.5rem; }

.hero-plate {
  margin: 0 0 4.5rem;
}
.hero-plate-fig {
  background: var(--paper-warm);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 1.75rem 1.5rem 1.25rem;
}
.hero-plate figcaption {
  max-width: var(--content-width);
  margin: 1rem auto 0;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--ink-soft);
}

.plate-no {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  color: var(--accent);
  margin-right: 0.4rem;
}

.plates {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 3.5rem;
  row-gap: 3.75rem;
}
.plate { margin: 0; }
.plate-fig {
  background: var(--paper-warm);
  border: 1px solid var(--rule-soft);
  padding: 0.75rem;
}
.plate figcaption { padding-top: 1.1rem; }
.plate figcaption .plate-no {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.2rem;
}
.plate-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.55rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0 0 0.6rem;
  font-variation-settings: "opsz" 72;
}
.plate-text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--ink-soft);
  margin: 0 0 0.75rem;
}
.plate-refs {
  font-size: 0.82rem;
  color: var(--ink-mute);
  margin: 0;
}
.plate-refs a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  border-bottom: none;
  margin-left: 0.2rem;
}
.plate-refs a:hover, .plate-refs a:focus-visible { text-decoration: underline; }

/* figure drawing styles */
.fig-svg { display: block; width: 100%; height: auto; overflow: visible; }
.fig-svg :where(path, line) { fill: none; stroke-linecap: round; stroke-linejoin: round; }
.f-pt       { fill: var(--ink-mute); opacity: 0.55; }
.f-fit      { stroke: var(--accent); stroke-width: 2.6; }
.f-node     { fill: var(--paper); stroke: var(--accent); stroke-width: 2; }
.f-basis    { stroke: var(--ink-mute); stroke-width: 1.1; opacity: 0.8; }
.f-ghost    { stroke: var(--ink-mute); stroke-width: 1.2; stroke-dasharray: 3 3; }
.f-knot     { stroke: var(--accent); stroke-width: 2; }
.f-cand     { stroke: var(--rule); stroke-width: 1.2; }
.f-guide    { stroke: var(--accent); stroke-width: 0.8; stroke-dasharray: 2 4; opacity: 0.5; }
.f-axis     { stroke: var(--ink-mute); stroke-width: 1; }
.f-axis-soft{ stroke: var(--rule); stroke-width: 1; }
.f-cp       { stroke: var(--accent); stroke-width: 1; stroke-dasharray: 4 4; opacity: 0.6; }
.f-contour  { stroke: var(--ink-mute); stroke-width: 1; opacity: 0.6; }
.f-contour-key { stroke: var(--ink-soft); stroke-width: 1.3; }
.f-ball     { fill: var(--accent-soft); stroke: var(--accent); stroke-width: 1.6; }
.f-path     { stroke: var(--ink); stroke-width: 1.2; }
.f-start    { fill: var(--ink); }
.f-center   { fill: var(--ink-mute); }
.f-tri-a    { fill: var(--accent); fill-opacity: 0.55; stroke: var(--paper); stroke-width: 1; }
.f-tri-b    { fill: var(--accent-soft); stroke: var(--paper); stroke-width: 1; }
.f-tri-c    { fill: var(--rule); stroke: var(--paper); stroke-width: 1; }
.f-globe    { fill: var(--paper); stroke: var(--ink-mute); stroke-width: 1.2; }
.f-grid     { stroke: var(--rule); stroke-width: 0.9; }
.f-bar      { fill: var(--rule-soft); stroke: var(--rule); stroke-width: 0.8; }
.f-edge     { stroke: var(--ink-mute); stroke-width: 1; opacity: 0.55; }
.f-edge-cut { stroke: var(--accent); stroke-width: 1; stroke-dasharray: 3 3; opacity: 0.7; }
.f-gnode    { stroke: var(--paper); stroke-width: 1.5; }
.f-gnode-0  { fill: var(--rule); }
.f-gnode-1  { fill: var(--accent-soft); stroke: var(--accent); stroke-width: 1; }
.f-gnode-2  { fill: var(--accent); }
.f-label    { font-family: var(--font-body); font-size: 13px; fill: var(--ink-mute); }
.f-label-accent { fill: var(--accent); }

/* one orchestrated moment: the hero fit draws itself, then the kept knots appear */
@media (prefers-reduced-motion: no-preference) {
  .hero-fit {
    stroke-dasharray: 1;
    stroke-dashoffset: 1;
    animation: draw-fit 1.6s ease-out 0.2s forwards;
  }
  .hero-knot {
    opacity: 0;
    animation: knot-in 0.4s ease-out var(--d, 1s) forwards;
  }
  circle.hero-knot { animation-delay: 1.6s; }
}
@keyframes draw-fit { to { stroke-dashoffset: 0; } }
@keyframes knot-in  { to { opacity: 1; } }

@media (max-width: 760px) {
  .plates { grid-template-columns: 1fr; row-gap: 3rem; }
  .hero-plate-fig { padding: 1rem 0.5rem 0.75rem; }
  .f-label { font-size: 20px; }
}


/* Institution logos in CV entries */

.cv-logo {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  height: 46px;
  padding-top: 0.1rem;
}

.cv-logo img {
  max-width: 100%;
  max-height: 46px;
  object-fit: contain;
}

/* ---------- Memories page ---------- */
.year-block { margin-top: 3rem; }

.year-mark {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(3rem, 9vw, 5.5rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--accent);
  margin: 0 0 2.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--rule);
  font-variation-settings: "opsz" 120;
}

.event {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 3rem;
  padding: 2.75rem 0;
  border-bottom: 1px solid var(--rule-soft);
}
.event:last-child { border-bottom: none; }

.event-head { position: sticky; top: 5.5rem; align-self: start; }

.event-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--ink-mute);
  margin-bottom: 0.5rem;
}

.event-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.5rem;
  line-height: 1.2;
  color: var(--ink);
  margin: 0 0 0.6rem;
  font-variation-settings: "opsz" 48;
}

.event-desc {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--ink-soft);
  margin: 0;
}

.shots {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.shots figure { margin: 0; }
.shots figcaption { display: none; }

.shots img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--paper-warm);
  cursor: zoom-in;
  filter: saturate(0.93);
  transition: filter 0.3s ease, transform 0.3s ease;
}
.shots img:hover { filter: saturate(1.05); transform: scale(1.012); }

.shot-feature { grid-column: span 2; grid-row: span 2; }
.shot-wide { grid-column: span 2; }
.shot-feature img { aspect-ratio: 4 / 3; height: 100%; }

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(20, 16, 12, 0.97);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 4rem;
}
.lightbox[hidden] { display: none; }

.lightbox figure {
  margin: 0;
  max-width: 100%;
  max-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
}

.lightbox img {
  max-width: min(100%, 680px);
  max-height: 62vh;
  object-fit: contain;
}

.lightbox figcaption {
  font-size: 0.88rem;
  color: rgba(250, 246, 238, 0.75);
  text-align: center;
}

.lightbox button {
  position: absolute;
  background: none;
  border: none;
  color: rgba(250, 246, 238, 0.8);
  font-size: 2.4rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.4rem 0.9rem;
  transition: color 0.2s ease;
}
.lightbox button:hover { color: var(--paper); }
.lb-close { top: 1rem; right: 1.5rem; font-size: 2rem; }
.lb-prev { left: 0.5rem; top: 50%; transform: translateY(-50%); }
.lb-next { right: 0.5rem; top: 50%; transform: translateY(-50%); }

@media (max-width: 760px) {
  .event { grid-template-columns: 1fr; gap: 1.25rem; padding: 2rem 0; }
  .event-head { position: static; }
  .shots { grid-template-columns: repeat(2, 1fr); gap: 0.5rem; }
  .shot-feature { grid-column: span 2; grid-row: auto; }
  .lightbox { padding: 3.5rem 1rem; }
  .lb-prev, .lb-next { font-size: 2rem; }
}


/* Alumni list */
.alum-group {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--ink);
  margin: 2rem 0 0.4rem;
}
.alum-group:first-of-type { margin-top: 0.5rem; }

.alum-list { margin-bottom: 0.5rem; }

.alum-list li {
  grid-template-columns: 95px 215px 1fr;
  gap: 1.5rem;
  align-items: start;
}

.alum-list .alum-name { color: var(--ink); font-weight: 500; }

@media (max-width: 760px) {
  .alum-list li { grid-template-columns: 1fr; gap: 0.15rem; }
}