/* =========================================================
   site.css — homepage redesign (style prototype)
   Layered on top of base.css; preserves dark/light tokens.
   ========================================================= */

/* ---------- Tokens (extend base.css with surface + glow) ---------- */
:root {
  /* Override base.css bg with a deeper near-black so the page flows
     visually into the hero's dark bottom vignette */
  --bg-color: #0a0a0a;
  --bg-rgb: 10, 10, 10;
  --surface-1: rgba(255, 255, 255, 0.02);
  --surface-2: rgba(94, 224, 214, 0.06);
  --hairline: rgba(94, 224, 214, 0.15);
  --hairline-strong: rgba(94, 224, 214, 0.35);
  --accent: #5ee0d6;
  --accent-rgb: 94, 224, 214;
  --accent-soft: rgba(94, 224, 214, 0.12);
  --shadow-glow: 0 10px 40px -10px rgba(94, 224, 214, 0.25);
  --ease-out: cubic-bezier(.2, .8, .2, 1);
  --section-pad: 6rem;
}

[data-theme="dark"] {
  --bg-color: #0a0a0a;
  --bg-rgb: 10, 10, 10;
}

[data-theme="light"] {
  --bg-color: #FFFFFF;
  --bg-rgb: 255, 255, 255;
  --surface-1: rgba(0, 0, 0, 0.02);
  --surface-2: rgba(68, 141, 135, 0.06);
  --hairline: rgba(68, 141, 135, 0.18);
  --hairline-strong: rgba(68, 141, 135, 0.45);
  --accent: #448D87;
  --accent-rgb: 68, 141, 135;
  --accent-soft: rgba(68, 141, 135, 0.12);
  --shadow-glow: 0 10px 40px -10px rgba(68, 141, 135, 0.25);
}

/* ---------- Global polish ---------- */
html { scroll-behavior: smooth; }

body.site-modern {
  overflow-x: hidden;
}

::selection {
  background: var(--accent-soft);
  color: var(--accent);
}

/* Animated underline on text links inside content sections */
.site-modern .section a:not(.label-info):not(.icon-pill):not(.btn):not(.scroll-cue) {
  position: relative;
  background-image: linear-gradient(var(--accent), var(--accent));
  background-position: 0 100%;
  background-repeat: no-repeat;
  background-size: 0% 1px;
  transition: background-size 350ms var(--ease-out), color 200ms ease;
  padding-bottom: 1px;
}
.site-modern .section a:not(.label-info):not(.icon-pill):not(.btn):not(.scroll-cue):hover {
  background-size: 100% 1px;
  color: var(--link-hover-color);
}

/* =========================================================
   HERO — fullscreen with centered stage + bottom card
   The stage holds whatever centerpiece we want (canvas now,
   video / 3D scene later). The card carries the photo + info.
   ========================================================= */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 680px;
  max-height: 1080px;
  overflow: hidden;
  isolation: isolate;
  background: var(--bg-color);
}

.hero-stage {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

/* Hero caption — title + subtitle block anchored on the left side of the
   hero, vertically centered. Roboto Thin throughout; the title reads as a
   display-sized name and the subtitle as a quiet single-line description. */
.hero-caption {
  position: absolute;
  left: clamp(1.5rem, 6vw, 5.5rem);
  top: 48%;
  transform: translateY(-50%);
  z-index: 3;
  margin: 0;
  padding: 1.4rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  max-width: min(620px, 48vw);
  text-align: left;
  font-family: 'Roboto', sans-serif;
  pointer-events: auto;
  isolation: isolate;
}

/* Soft local blur halo behind the caption: a slightly darkened, blurred
   patch that fades out elliptically at the edges so it never looks like a
   hard card — keeps the text legible against any colour the mesh shows. */
.hero-caption::before {
  content: "";
  position: absolute;
  inset: -1.6rem -2.6rem;
  z-index: -1;
  background: rgba(0, 0, 0, 0.32);
  -webkit-backdrop-filter: blur(14px) saturate(0.9);
  backdrop-filter: blur(14px) saturate(0.9);
  border-radius: 28px;
  mask-image: radial-gradient(
    ellipse at center,
    #000 38%,
    rgba(0, 0, 0, 0.7) 60%,
    transparent 100%
  );
  -webkit-mask-image: radial-gradient(
    ellipse at center,
    #000 38%,
    rgba(0, 0, 0, 0.7) 60%,
    transparent 100%
  );
  pointer-events: none;
}

[data-theme="light"] .hero-caption::before {
  background: rgba(255, 255, 255, 0.4);
}

.hero-caption-title {
  display: block;
  font-family: 'Roboto', sans-serif;
  font-weight: 100;
  font-size: clamp(64px, 10vw, 132px);
  line-height: 0.95;
  letter-spacing: -0.015em;
  color: var(--accent);
  text-decoration: none;
  text-shadow: 0 2px 30px rgba(0, 0, 0, 0.55);
  transition: color 220ms var(--ease-out), letter-spacing 220ms var(--ease-out);
}
.hero-caption-title:hover,
.hero-caption-title:focus {
  color: var(--link-hover-color);
  letter-spacing: 0;
}

.hero-caption-sub {
  display: block;
  font-family: 'Roboto', sans-serif;
  font-weight: 100;
  font-size: clamp(14px, 1.5vw, 19px);
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: rgba(255, 255, 255, 0.78);
  text-shadow: 0 1px 18px rgba(0, 0, 0, 0.55);
}

[data-theme="light"] .hero-caption-sub {
  color: rgba(0, 0, 0, 0.7);
  text-shadow: 0 1px 16px rgba(255, 255, 255, 0.7);
}
[data-theme="light"] .hero-caption-title {
  text-shadow: 0 1px 18px rgba(255, 255, 255, 0.7);
}

/* On narrow screens (where the mesh and card take up most of the width)
   fall back to a top-centered layout so the caption doesn't get squeezed. */
@media (max-width: 760px) {
  .hero-caption {
    left: 50%;
    top: 7vh;
    transform: translateX(-50%);
    text-align: center;
    align-items: center;
    max-width: 86vw;
    gap: 0.7rem;
  }
  .hero-caption-title { font-size: clamp(48px, 14vw, 80px); }
  .hero-caption-sub   { font-size: clamp(13px, 3.6vw, 16px); }
}

.hero-vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  /* radial focus only — no bottom-darken, so the hero bottom reads as the
     body bg itself and flows seamlessly into the page below */
  background: radial-gradient(
    ellipse at center,
    transparent 0%,
    transparent 35%,
    rgba(0, 0, 0, 0.35) 100%
  );
  /* fade out the radial dim near the bottom so the very bottom row matches
     the page bg exactly */
  mask-image: linear-gradient(to bottom, #000 0%, #000 70%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 70%, transparent 100%);
}

/* Scroll cue */
.hero-scroll-cue {
  position: absolute;
  z-index: 3;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  opacity: 0;
  animation: heroFadeUp 700ms var(--ease-out) 1300ms forwards;
}
.hero-scroll-cue:hover { color: var(--accent); }
.hero-scroll-cue i { font-size: 12px; animation: bounce 2.4s infinite; }

/* Bottom card */
.hero-card-wrap {
  position: absolute;
  z-index: 2;
  left: 50%;
  bottom: 6vh;
  transform: translateX(-50%);
  width: min(960px, 92vw);
  pointer-events: none; /* let canvas receive mouse parallax everywhere except on the card */
}

.hero-card {
  pointer-events: auto;
  display: grid;
  grid-template-columns: 168px 1fr;
  gap: 1.6rem;
  align-items: center;
  padding: 1.4rem 1.6rem;
  border-radius: 18px;
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px) saturate(1.15);
  -webkit-backdrop-filter: blur(18px) saturate(1.15);
  box-shadow:
    0 30px 80px -20px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(var(--accent-rgb), 0.05);
  opacity: 0;
  transform: translateY(24px);
  animation: heroFadeUp 900ms var(--ease-out) 250ms forwards;
}

[data-theme="light"] .hero-card {
  background: rgba(255, 255, 255, 0.5);
  border-color: rgba(0, 0, 0, 0.06);
  box-shadow:
    0 30px 80px -20px rgba(0, 0, 0, 0.25),
    0 0 0 1px rgba(var(--accent-rgb), 0.06);
}

.hero-card-photo {
  position: relative;
  width: 168px;
  aspect-ratio: 1 / 1;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  box-shadow: 0 12px 40px -10px rgba(var(--accent-rgb), 0.45);
}
.hero-card-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(160deg, transparent 60%, rgba(var(--accent-rgb), 0.18));
}
.hero-card-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-card-text { min-width: 0; color: #fff; }
[data-theme="light"] .hero-card-text { color: var(--text-color); }

.hero-card-eyebrow {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero-card-name {
  font-family: 'Roboto', sans-serif;
  font-weight: 100;
  font-size: clamp(28px, 4.4vw, 52px);
  line-height: 1;
  letter-spacing: -0.02em;
  margin: 0.5rem 0 0.4rem;
  color: inherit;
}
.hero-card-name .accent { color: var(--accent); font-weight: 100; }

.hero-card-subtitle {
  font-size: clamp(13px, 1.3vw, 16px);
  font-weight: 300;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 0.5rem;
}
[data-theme="light"] .hero-card-subtitle { color: var(--text-color); }

.hero-card-tagline {
  font-size: 13.5px;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.6);
  margin: 0 0 1rem;
  line-height: 1.5;
}
[data-theme="light"] .hero-card-tagline { color: var(--subdued-text-color); }
.hero-card-tagline a { color: var(--accent); }
.hero-card-tagline a:hover { color: var(--link-hover-color); }

.hero-card-socials {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.icon-pill {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #fff;
  transition: all 250ms var(--ease-out);
  background: transparent;
}
[data-theme="light"] .icon-pill {
  border-color: var(--hairline);
  color: var(--text-color);
}
.icon-pill i { font-size: 16px; transition: transform 250ms var(--ease-out); }
.icon-pill:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px -8px rgba(var(--accent-rgb), 0.5);
}
.icon-pill:hover i { transform: scale(1.1); }

@keyframes heroFadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* =========================================================
   Lite mode — compact two-column header (no fullscreen hero)
   ========================================================= */
.hero { transition: opacity 380ms var(--ease-out); }

/* Site-header (lite) is hidden by default, shown when body.is-lite */
.site-header {
  display: none;
  position: relative;
  padding: 5rem 1.5rem 3rem;
  max-width: 1140px;
  margin: 0 auto;
  border-bottom: 0;
  opacity: 0;
  transition: opacity 380ms var(--ease-out);
}

body.is-lite .hero { display: none; }
body.is-lite .site-header { display: block; opacity: 1; }

.site-header-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 3rem;
  align-items: center;
}

.header-text { min-width: 0; }

.header-eyebrow {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--accent);
}

.header-title {
  font-family: 'Roboto', sans-serif;
  font-weight: 100;
  font-size: clamp(44px, 7vw, 88px);
  line-height: 1;
  letter-spacing: -0.02em;
  margin: 0.7rem 0 0.5rem;
  color: var(--text-color);
}
.header-title .accent { color: var(--accent); font-weight: 100; }

.header-subtitle {
  font-family: 'Roboto', sans-serif;
  font-weight: 300;
  font-size: clamp(15px, 1.6vw, 19px);
  color: var(--text-color);
  margin-bottom: 0.6rem;
}

.header-tagline {
  font-size: 15px;
  font-weight: 300;
  color: var(--subdued-text-color);
  margin: 0 0 1.4rem;
  line-height: 1.6;
}
.header-tagline a { color: var(--accent); }
.header-tagline a:hover { color: var(--link-hover-color); }

.header-socials {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.header-photo {
  display: flex;
  justify-content: flex-end;
}

.header-photo-wrap {
  position: relative;
  width: 280px;
  aspect-ratio: 1 / 1;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--hairline);
  box-shadow: var(--shadow-glow);
  transition: transform 500ms var(--ease-out), box-shadow 500ms var(--ease-out);
}
.header-photo-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(160deg, transparent 60%, rgba(var(--accent-rgb), 0.18));
}
.header-photo-wrap:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 50px -10px rgba(var(--accent-rgb), 0.35);
}
.header-photo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

@media (max-width: 820px) {
  .site-header { padding: 3.5rem 1.2rem 2rem; }
  .site-header-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
  .header-photo { justify-content: center; order: -1; }
  .header-photo-wrap { width: 200px; }
  .header-socials { justify-content: center; }
}

/* ---------- Lite mode toggle button ---------- */
.lite-toggle {
  position: fixed;
  top: 22px;
  left: 22px;
  z-index: 1000;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(0, 0, 0, 0.4);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  color: var(--text-color);
  font-family: 'Roboto', sans-serif;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    color 250ms var(--ease-out),
    background 250ms var(--ease-out),
    border-color 250ms var(--ease-out),
    transform 250ms var(--ease-out);
}
.lite-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.1);
  transform: translateY(-1px);
}
.lite-toggle i { font-size: 11px; }

[data-theme="light"] .lite-toggle {
  background: rgba(255, 255, 255, 0.7);
  border-color: var(--hairline);
  color: var(--text-color);
}

/* Theme toggle — base styling lives in base.css (glass pill matched to the
   lite-toggle); below we just upgrade the hover tint and light-mode variant
   to use site.css's accent token so it stays in sync with the homepage. */
.theme-toggle:hover {
  background: rgba(var(--accent-rgb), 0.10);
}
[data-theme="light"] .theme-toggle {
  border-color: var(--hairline);
}

@media (max-width: 600px) {
  .lite-toggle {
    top: 14px;
    left: 14px;
    font-size: 10px;
    padding: 6px 11px;
    letter-spacing: 0.14em;
  }
}

/* Hero responsive */
@media (max-width: 760px) {
  .hero { min-height: 600px; }
  .hero-card-wrap { bottom: 4vh; width: 94vw; }
  .hero-card {
    grid-template-columns: 1fr;
    gap: 1rem;
    text-align: center;
    padding: 1.1rem 1.2rem;
  }
  .hero-card-photo {
    width: 110px;
    margin: 0 auto;
  }
  .hero-card-socials { justify-content: center; }
  .hero-scroll-cue { display: none; }
}

@media (max-height: 720px) and (min-width: 761px) {
  .hero-card-photo { width: 140px; }
  .hero-card { grid-template-columns: 140px 1fr; }
}

/* ---------- Generic section ---------- */
.section {
  position: relative;
  padding: var(--section-pad) 1.5rem;
  max-width: 1140px;
  margin: 0 auto;
}

.section-tight { padding-top: 3rem; }

.section-header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.section-header h2 {
  font-family: 'Roboto', sans-serif;
  font-weight: 100;
  font-size: clamp(32px, 4.5vw, 48px);
  margin: 0;
  letter-spacing: -0.01em;
}

.section-header .index {
  font-family: 'Roboto', sans-serif;
  font-weight: 300;
  font-size: 13px;
  letter-spacing: 0.3em;
  color: var(--accent);
  text-transform: uppercase;
}

.section-header .rule {
  flex: 1;
  height: 1px;
  background: linear-gradient(
    to right,
    var(--accent) 0%,
    rgba(var(--accent-rgb), 0.6) 30%,
    rgba(var(--accent-rgb), 0.2) 70%,
    transparent 100%
  );
  align-self: center;
  transform-origin: left center;
  transform: scaleX(0);
  transition: transform 900ms var(--ease-out);
}

.section.is-visible .section-header .rule {
  transform: scaleX(1);
}

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 800ms var(--ease-out), transform 800ms var(--ease-out);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
}
.reveal-stagger.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}
.reveal-stagger.is-visible > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: 60ms; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: 120ms; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: 180ms; }
.reveal-stagger.is-visible > *:nth-child(5) { transition-delay: 240ms; }
.reveal-stagger.is-visible > *:nth-child(6) { transition-delay: 300ms; }
.reveal-stagger.is-visible > *:nth-child(7) { transition-delay: 360ms; }
.reveal-stagger.is-visible > *:nth-child(8) { transition-delay: 420ms; }
.reveal-stagger.is-visible > *:nth-child(n+9) { transition-delay: 480ms; }

/* ---------- About / Intro ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 3rem;
  align-items: start;
}

.about-photo-wrap {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: 18px;
  overflow: hidden;
  background: var(--surface-1);
  border: 1px solid var(--hairline);
  box-shadow: var(--shadow-glow);
  transition: transform 500ms var(--ease-out), box-shadow 500ms var(--ease-out);
}
.about-photo-wrap:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 50px -10px rgba(var(--accent-rgb), 0.35);
}
.about-photo-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 18px;
  pointer-events: none;
  background: linear-gradient(160deg, transparent 60%, rgba(var(--accent-rgb), 0.18));
}
.about-photo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-text { font-size: 17px; line-height: 1.7; }
.about-text p { text-align: justify; margin-bottom: 1.1rem; }

.about-affiliation {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1rem;
  margin-top: 1.4rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--hairline);
  font-size: 14px;
  color: var(--subdued-text-color);
}
.about-affiliation .chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 400;
  font-size: 13px;
}
.about-affiliation .chip i { font-size: 11px; }

/* ---------- News timeline ---------- */
.news-timeline {
  position: relative;
  padding-left: 2.4rem;
}
.news-timeline::before {
  content: "";
  position: absolute;
  left: 0.55rem;
  top: 0.4rem;
  bottom: 0.4rem;
  width: 1px;
  background: linear-gradient(
    to bottom,
    transparent,
    var(--hairline-strong) 8%,
    var(--hairline-strong) 92%,
    transparent
  );
}

.news-item {
  position: relative;
  padding: 0.7rem 0 0.7rem 0;
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 1.2rem;
  align-items: baseline;
  font-size: 16px;
  line-height: 1.55;
}
.news-item::before {
  content: "";
  position: absolute;
  left: -2.04rem;
  top: 1.1rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--bg-color);
  border: 1.5px solid var(--accent);
  box-shadow: 0 0 0 4px var(--bg-color), 0 0 12px rgba(var(--accent-rgb), 0.5);
  transition: all 300ms var(--ease-out);
}
.news-item:hover::before {
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--bg-color), 0 0 20px rgba(var(--accent-rgb), 0.8);
}

.news-item .news-date {
  font-family: 'Roboto', sans-serif;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-transform: uppercase;
  white-space: nowrap;
}

.news-item .news-body { color: var(--text-color); }

.news-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 1.5rem;
  margin-left: 2.4rem;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--hairline);
  background: transparent;
  color: var(--text-color);
  font-size: 13px;
  cursor: pointer;
  transition: all 300ms var(--ease-out);
}
.news-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}
.news-toggle i { font-size: 11px; transition: transform 300ms var(--ease-out); }
.news-toggle[aria-expanded="true"] i { transform: rotate(180deg); }

.news-collapse {
  max-height: 0;
  overflow: hidden;
  transition: max-height 600ms var(--ease-out);
}
.news-collapse.is-open { max-height: 4000px; }

/* ---------- Publications ---------- */
.pub-grid {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.pub-card {
  position: relative;
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 2rem;
  padding: 1.6rem;
  border: 1px solid var(--hairline);
  border-radius: 16px;
  background: var(--surface-1);
  transition:
    transform 380ms var(--ease-out),
    box-shadow 380ms var(--ease-out),
    border-color 380ms var(--ease-out),
    background 380ms var(--ease-out);
  overflow: hidden;
}
.pub-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    600px circle at var(--mx, 50%) var(--my, 50%),
    var(--accent-soft),
    transparent 40%
  );
  opacity: 0;
  transition: opacity 400ms var(--ease-out);
  pointer-events: none;
}
.pub-card:hover {
  transform: translateY(-4px);
  border-color: var(--hairline-strong);
  box-shadow: var(--shadow-glow);
  background: var(--surface-2);
}
.pub-card:hover::before { opacity: 1; }

.pub-thumb {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: #000;
  border: 1px solid var(--hairline);
}
.pub-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 600ms var(--ease-out);
}
.pub-card:hover .pub-thumb img { transform: scale(1.05); }

.pub-body { display: flex; flex-direction: column; min-width: 0; }
.pub-venue {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: flex-start;
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 0.8rem;
}

.pub-title {
  font-family: 'Roboto', sans-serif;
  font-weight: 300;
  font-size: 22px;
  line-height: 1.3;
  margin: 0 0 0.6rem 0;
  color: var(--text-color);
}
.pub-title a { color: inherit; }
.pub-title a:hover { color: var(--accent); }

.pub-authors { font-size: 14.5px; color: var(--subdued-text-color); margin-bottom: 0.8rem; line-height: 1.5; }
.pub-authors b { color: var(--text-color); font-weight: 500; }
.pub-authors a { color: var(--accent); }
.pub-authors a b { color: var(--accent); font-weight: 600; }
.pub-authors a:hover,
.pub-authors a:hover b { color: var(--link-hover-color); }
/* Equal-contribution * marker next to an author name: same accent green as
   the author link itself so it visually attaches to the name. */
.pub-authors .eq-mark { color: var(--accent); font-weight: 600; }

.pub-abstract { font-size: 14.5px; line-height: 1.6; color: var(--text-color); margin-bottom: 1rem; }
.pub-equal { font-size: 12px; color: var(--text-color); font-style: italic; }

.pub-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 0.6rem;
}
.pub-actions .label-info {
  font-size: 12.5px;
  font-weight: 400;
  padding: 7px 12px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  letter-spacing: 0.04em;
  border: 1px solid var(--hairline);
  background: transparent;
  color: var(--text-color);
  transition: all 280ms var(--ease-out);
}
.pub-actions .label-info:hover {
  background: var(--accent);
  color: var(--bg-color);
  border-color: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px -8px rgba(var(--accent-rgb), 0.6);
}
.pub-actions .label-info i { font-size: 13px; }

.pub-bibtex {
  margin-top: 0;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--hairline);
  background: rgba(0, 0, 0, 0.35);
  max-height: 0;
  border-width: 0;
  opacity: 0;
  transition:
    max-height 500ms var(--ease-out),
    margin-top 300ms var(--ease-out),
    opacity 300ms var(--ease-out),
    border-width 0ms 500ms;
}
.pub-bibtex.is-open {
  max-height: 800px;
  margin-top: 1rem;
  opacity: 1;
  border-width: 1px;
  transition:
    max-height 600ms var(--ease-out),
    margin-top 300ms var(--ease-out),
    opacity 300ms 100ms var(--ease-out),
    border-width 0ms;
}
[data-theme="light"] .pub-bibtex { background: rgba(0, 0, 0, 0.04); }
.pub-bibtex pre {
  margin: 0;
  padding: 1rem 1.1rem;
  font-family: 'Courier New', monospace;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--text-color);
  background: transparent;
  border: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

/* ---------- Footer ---------- */
.site-footer {
  text-align: center;
  padding: 3rem 1.5rem 2.5rem;
  font-size: 13px;
  color: var(--subdued-text-color);
  border-top: 1px solid var(--hairline);
  margin-top: 3rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  :root { --section-pad: 4rem; }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .about-photo-wrap { max-width: 280px; margin: 0 auto; }

  .pub-card {
    grid-template-columns: 1fr;
    gap: 1.2rem;
    padding: 1.2rem;
  }
  .pub-thumb { max-width: 100%; }

  .news-item {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }
}

@media (max-width: 600px) {
  .hero { min-height: 560px; }
  .hero-title { letter-spacing: -0.01em; }
  .hero-eyebrow { letter-spacing: 0.3em; font-size: 11px; }
  .section { padding: 3.5rem 1.2rem; }
  .pub-actions .label-info { font-size: 11.5px; padding: 6px 10px; }
}

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