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

:root {
  --color-bg:        #f8faf5;
  --color-surface:   #eef2e8;
  --color-border:    #d4dfc8;
  --color-text:      #1e2718;
  --color-text-muted:#5a6b52;
  --color-accent:    #5a8a5e;
  --color-accent-h:  #477a4b;
  --color-tag-bg:    #e4ede0;
  --color-tag-text:  #477a4b;
  --radius-sm:       6px;
  --radius-md:       12px;
  --radius-lg:       20px;
  --shadow-sm:       0 1px 3px rgba(30,39,24,.07);
  --shadow-md:       0 4px 16px rgba(30,39,24,.09);
  --shadow-lg:       0 12px 40px rgba(30,39,24,.13);
  --nav-height:      64px;
  --section-pad:     80px;
  --max-width:       1100px;
  --transition:      0.2s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  font-size: 16px;
}

a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

img, video { display: block; max-width: 100%; }

/* =============================================
   UTILITY
   ============================================= */
.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--section-pad) 24px;
}

.section-title {
  font-family: 'Lora', serif;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text);
}

.section-subtitle {
  color: var(--color-text-muted);
  margin-bottom: 36px;
  font-size: .93rem;
}

.content-animate {
  transition: opacity .2s ease, transform .2s ease;
  will-change: opacity, transform;
}

.content-animate.is-updating {
  opacity: .35;
  transform: translateY(6px);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-size: .93rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border: 2px solid var(--color-accent);
}
.btn-primary:hover {
  background: var(--color-accent-h);
  border-color: var(--color-accent-h);
  text-decoration: none;
}

.btn-secondary {
  background: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}
.btn-secondary:hover {
  background: var(--color-tag-bg);
  text-decoration: none;
}

.btn-cv {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-cv svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* =============================================
   NAVIGATION
   ============================================= */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
  transition: box-shadow var(--transition);
}

#site-header.scrolled { box-shadow: var(--shadow-sm); }

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: 'Lora', serif;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: .02em;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 4px;
  align-items: center;
}

.nav-links a {
  color: var(--color-text-muted);
  font-size: .9rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  text-decoration: none;
}

.nav-links a:hover { color: var(--color-text); background: var(--color-surface); }

.nav-links a.active { color: var(--color-accent); }

.btn-cv {
  background: var(--color-accent) !important;
  color: #fff !important;
  border-radius: var(--radius-sm) !important;
  padding: 7px 16px !important;
}
.btn-cv:hover { background: var(--color-accent-h) !important; }

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-burger span {
  width: 24px; height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
  display: block;
}

/* =============================================
   HERO
   ============================================= */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(160deg, var(--color-bg) 45%, #d6e8d0 100%);
  padding-top: var(--nav-height);
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 60px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}

.hero-text { flex: 1; }

.hero-greeting {
  font-size: .95rem;
  color: var(--color-accent);
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.hero-name {
  font-family: 'Lora', serif;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 16px;
  color: var(--color-text);
}

.hero-tagline {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  line-height: 1.8;
}

.hero-profile {
  max-width: 760px;
  font-size: .98rem;
  color: var(--color-text);
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.hero-socials {
  display: flex;
  gap: 16px;
}

.hero-socials a {
  color: var(--color-text-muted);
  transition: color var(--transition), transform var(--transition);
  display: flex;
  align-items: center;
}
.hero-socials a:hover { color: var(--color-accent); transform: translateY(-2px); }
.hero-socials svg { width: 22px; height: 22px; }

.hero-photo {
  flex-shrink: 0;
}
.hero-photo img {
  width: clamp(200px, 22vw, 280px);
  aspect-ratio: 1;
  border-radius: 50%;
  border: 4px solid var(--color-border);
  object-fit: cover;
  box-shadow: var(--shadow-md);
}

/* =============================================
   ABOUT
   ============================================= */
#about { background: var(--color-surface); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  align-items: start;
}

.about-text p { color: var(--color-text-muted); margin-bottom: 16px; }
.about-text p strong { color: var(--color-text); }

.about-highlights h3 {
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 10px;
  margin-top: 24px;
}
.about-highlights h3:first-child { margin-top: 0; }

.tag-list { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; }

.tag {
  background: var(--color-tag-bg);
  color: var(--color-tag-text);
  padding: 4px 12px;
  border-radius: 99px;
  font-size: .82rem;
  font-weight: 500;
}

.edu-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }

.edu-list li {
  display: flex;
  flex-direction: column;
  padding: 12px 14px;
  border-left: 3px solid var(--color-accent);
  background: var(--color-bg);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.edu-degree { font-weight: 600; font-size: .9rem; }
.edu-school  { font-size: .82rem; color: var(--color-text-muted); }

/* =============================================
   HIGHLIGHTS
   ============================================= */
#highlights { background: var(--color-bg); }

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.highlight-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.highlight-kicker {
  display: inline-block;
  margin-bottom: 10px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.highlight-card h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.highlight-card p {
  color: var(--color-text-muted);
  font-size: .92rem;
}

/* =============================================
   RESEARCH AGENDA
   ============================================= */
#research-agenda { background: var(--color-surface); }

.agenda-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, .8fr);
  gap: 32px;
  align-items: start;
}

.agenda-copy p {
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.agenda-themes {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
}

.agenda-themes h3 {
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.theme-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.theme-list li {
  padding: 10px 12px;
  border-left: 3px solid var(--color-accent);
  background: var(--color-surface);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--color-text);
  font-size: .92rem;
}

/* =============================================
   TIMELINE / NEWS
   ============================================= */
.news-section { background: var(--color-bg); }

.news-header {
  display: block;
}

.news-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.news-list.collapsed { display: none; }

.news-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  align-items: start;
  padding: 10px 0;
  border-bottom: 1px solid rgba(122, 148, 108, .2);
}

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

.news-date {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--color-accent);
  white-space: nowrap;
}

.news-note {
  font-size: .92rem;
  color: var(--color-text-muted);
  line-height: 1.62;
}

.news-note-links {
  white-space: normal;
}

.news-empty {
  color: var(--color-text-muted);
  font-size: .92rem;
}

.news-more-wrap {
  margin-top: 18px;
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* =============================================
   PROJECTS
   ============================================= */
#projects { background: var(--color-bg); }

.filter-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.project-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.project-control {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.project-control select {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: .84rem;
  font-weight: 500;
}

.filter-btn {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  padding: 6px 16px;
  border-radius: 99px;
  font-size: .85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}
.filter-btn:hover { border-color: var(--color-accent); color: var(--color-accent); }
.filter-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 30px;
  align-items: stretch;
}

.projects-empty {
  color: var(--color-text-muted);
  font-size: .92rem;
  padding: 8px 4px;
}

/* Project card */
.project-card {
  background: linear-gradient(180deg, rgba(255,255,255,.72) 0%, var(--color-surface) 100%);
  border: 1px solid rgba(122, 148, 108, .18);
  border-radius: 18px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  box-shadow: 0 10px 30px rgba(30,39,24,.06);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.project-show-more-wrap {
  margin-top: 28px;
  width: 100%;
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.project-show-more-wrap .btn {
  padding: 12px 28px;
  border-radius: 10px;
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-color: var(--color-accent-h);
  box-shadow: 0 8px 20px rgba(71, 122, 75, 0.2);
}

.project-show-more-wrap .btn:hover {
  background: #dcead8;
  border-color: var(--color-accent-h);
  box-shadow: 0 12px 24px rgba(71, 122, 75, 0.28);
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 44px rgba(30,39,24,.12);
  border-color: rgba(90, 138, 94, .35);
}
.project-card.hidden { display: none; }

.card-gallery {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(135deg, #dbe8d5 0%, #edf3e9 100%);
}

.gallery-track {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform .35s ease;
  will-change: transform;
}

.gallery-slide {
  flex-shrink: 0;
  width: 100%;
  height: 100%;
  position: relative;
  cursor: pointer;
}
.gallery-slide img,
.gallery-slide video {
  width: 100%; height: 100%;
  display: block;
  transition: transform .4s ease;
}

.gallery-slide img { object-fit: cover; }
.gallery-slide video { object-fit: cover; }
.gallery-slide img.media-contain {
  object-fit: contain;
  background: var(--color-surface);
  padding: 12px;
  box-sizing: border-box;
}
.gallery-slide img.media-wide {
  object-fit: contain;
  background: var(--color-surface);
}
.card-gallery:hover .gallery-slide.active img,
.card-gallery:hover .gallery-slide.active video { transform: scale(1.04); }

.gallery-slide-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.32);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}
.card-gallery:hover .gallery-slide.active .gallery-slide-overlay { opacity: 1; }
.gallery-slide-overlay svg { width: 44px; height: 44px; }

.gallery-video-toggle {
  position: absolute;
  left: 12px;
  bottom: 12px;
  z-index: 3;
  width: 42px;
  height: 42px;
  border: none;
  border-radius: 999px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #fff;
  background: rgba(17, 24, 39, .72);
  box-shadow: 0 10px 24px rgba(0, 0, 0, .22);
  transition: transform var(--transition), background var(--transition), opacity var(--transition);
}
.gallery-video-toggle:hover,
.gallery-video-toggle:focus-visible {
  background: rgba(17, 24, 39, .88);
  transform: scale(1.05);
}
.gallery-video-toggle:focus-visible {
  outline: 2px solid rgba(255,255,255,.9);
  outline-offset: 2px;
}
.gallery-video-toggle svg {
  width: 24px;
  height: 24px;
}

/* Prev / next arrows on card */
.gallery-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,.42);
  border: none;
  color: #fff;
  font-size: 1.3rem;
  line-height: 1;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 2;
  opacity: 0;
  transition: opacity var(--transition), background var(--transition);
}
.card-gallery:hover .gallery-btn { opacity: 1; }
.gallery-btn:hover { background: rgba(0,0,0,.65); }
.gallery-btn-prev { left: 8px; }
.gallery-btn-next { right: 8px; }

/* Dot indicators */
.gallery-dots {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 5px;
  z-index: 2;
  pointer-events: none;
}

.gallery-count {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(255,255,255,.82);
  color: var(--color-text);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .02em;
  backdrop-filter: blur(8px);
}
.gallery-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,.45);
  cursor: pointer;
  pointer-events: all;
  transition: background var(--transition), transform var(--transition);
}
.gallery-dot.active {
  background: #fff;
  transform: scale(1.25);
}

/* Video type badge */
.gallery-video-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background: rgba(0,0,0,.55);
  color: #fff;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .06em;
  padding: 2px 7px;
  border-radius: 4px;
  z-index: 2;
  pointer-events: none;
}

.card-body {
  padding: 22px 22px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 12px;
}

.card-meta-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.card-meta-badges {
  display: flex;
  flex-wrap: nowrap;
  gap: 6px;
  justify-content: flex-end;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.card-year {
  font-size: .76rem;
  font-weight: 800;
  color: var(--color-accent);
  letter-spacing: .12em;
  text-transform: uppercase;
  padding-top: 2px;
}

.card-tag {
  font-size: .75rem;
  font-weight: 600;
  color: var(--color-tag-text);
  background: var(--color-tag-bg);
  padding: 4px 10px;
  border-radius: 99px;
  border: 1px solid rgba(90, 138, 94, .12);
}

.card-status {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .02em;
  white-space: nowrap;
}

.card-status-publication {
  color: #24553d;
  background: #dff5e7;
  border: 1px solid #b4e3c5;
}

.card-status-showcase {
  color: #3d4f7a;
  background: #e5ecfb;
  border: 1px solid #c4d4f5;
}

.card-status-industry {
  color: #3d4f7a;
  background: #e5ecfb;
  border: 1px solid #c4d4f5;
}

.card-status-student {
  color: #5b4a1f;
  background: #f6edd6;
  border: 1px solid #ead7a5;
}

.card-title {
  font-size: 1.12rem;
  font-weight: 650;
  line-height: 1.35;
  color: var(--color-text);
}

.card-desc {
  font-size: .91rem;
  color: var(--color-text-muted);
  line-height: 1.68;
  flex: 1;
}

.card-footer {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: auto;
  padding-top: 6px;
  border-top: 1px solid rgba(122, 148, 108, .12);
}

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

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .82rem;
  font-weight: 700;
  color: var(--color-accent);
  border: 1px solid var(--color-border);
  background: rgba(255,255,255,.55);
  padding: 7px 12px;
  border-radius: 10px;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
  text-decoration: none;
}
.card-link::after {
  content: "↗";
  font-size: .82em;
}
.card-link:hover {
  background: var(--color-tag-bg);
  border-color: var(--color-accent);
  transform: translateY(-1px);
  text-decoration: none;
}

/* =============================================
   PUBLICATIONS
   ============================================= */
#publications { background: var(--color-surface); }

.scholar-link { color: var(--color-accent); font-weight: 500; }

.pub-list { display: flex; flex-direction: column; gap: 24px; }

.publication-show-more-wrap {
  margin-top: 24px;
  width: 100%;
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.publication-show-more-wrap .btn {
  padding: 10px 22px;
}

.pub-item {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 20px;
  align-items: start;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.pub-item:hover {
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}

.pub-gallery {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.pub-thumb {
  width: 220px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: transform var(--transition);
}
.pub-thumb.media-wide {
  object-fit: contain;
  background: var(--color-surface);
}
.pub-thumb:hover { transform: scale(1.03); }

.pub-badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}

.pub-favorite-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto;
  height: auto;
  font-size: .85rem;
  line-height: 1;
  color: var(--color-text);
  background: transparent;
  border: 0;
  white-space: nowrap;
}

.pub-divider {
  height: 1px;
  margin: 10px 8px 16px;
  background: linear-gradient(90deg, transparent 0%, rgba(122, 148, 108, 0.16) 12%, rgba(122, 148, 108, 0.16) 88%, transparent 100%);
}

.pub-venue-badge {
  display: inline-block;
  background: var(--color-tag-bg);
  color: var(--color-tag-text);
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: 2px 8px;
  border-radius: 4px;
}

.award-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: .72rem;
  font-weight: 700;
  color: #92400e;
  background: #fef3c7;
  border: 1px solid #f59e0b;
  padding: 2px 10px;
  border-radius: 99px;
  letter-spacing: .02em;
  white-space: nowrap;
}
.award-badge-icon {
  font-size: .85em;
  line-height: 1;
}

.pub-title {
  font-size: .98rem;
  font-weight: 600;
  line-height: 1.45;
  margin-bottom: 6px;
  color: var(--color-text);
}

.pub-authors {
  font-size: .84rem;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}
.pub-authors .me { font-weight: 600; color: var(--color-text); }

.pub-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 2px;
}

.pub-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  font-size: .78rem;
  font-weight: 600;
  padding: 0 14px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-accent);
  background: rgba(255,255,255,.72);
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.pub-link:hover {
  background: var(--color-tag-bg);
  border-color: var(--color-accent);
  text-decoration: none;
}

.pub-link-primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-h) 100%);
  border-color: var(--color-accent);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 8px 16px rgba(71, 122, 75, 0.14);
}

.pub-link-primary:hover {
  background: linear-gradient(135deg, var(--color-accent-h) 0%, #3d6841 100%);
  border-color: var(--color-accent-h);
  color: #fff;
  transform: translateY(-1px);
}

.pub-abstract-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  background: none;
  border: none;
  font-size: .78rem;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0 14px;
  background: rgba(255,255,255,.72);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  transition: all var(--transition);
}
.pub-abstract-toggle:hover { color: var(--color-accent); border-color: var(--color-accent); background: var(--color-tag-bg); }

.pub-abstract {
  margin-top: 12px;
  font-size: .85rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  display: none;
  border-top: 1px solid var(--color-border);
  padding-top: 12px;
}
.pub-abstract.open { display: block; }

/* =============================================
   CONTACT
   ============================================= */
#contact { background: var(--color-bg); }

.contact-inner { text-align: center; }

.contact-text {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 520px;
  margin: 16px auto 28px;
}

.contact-email {
  font-size: 1rem;
  margin-bottom: 24px;
}

.contact-socials {
  display: flex;
  justify-content: center;
  gap: 10px;
  color: var(--color-text-muted);
  font-size: .9rem;
}
.contact-socials a { color: var(--color-accent); font-weight: 500; }

/* =============================================
   FOOTER
   ============================================= */
footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  text-align: center;
  padding: 24px;
  font-size: .84rem;
  color: var(--color-text-muted);
}

/* =============================================
   LIGHTBOX
   ============================================= */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.85);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
}
.lightbox.open {
  opacity: 1;
  pointer-events: all;
}

.lightbox-close {
  position: absolute;
  top: 20px; right: 24px;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.6rem;
  cursor: pointer;
  line-height: 1;
  transition: transform var(--transition);
}
.lightbox-close:hover { transform: scale(1.2); }

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,.12);
  border: none;
  color: #fff;
  font-size: 2rem;
  line-height: 1;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition);
  z-index: 1;
}
.lightbox-nav:hover { background: rgba(255,255,255,.25); }
.lightbox-nav[style*="none"] { display: none; }
.lightbox-nav-prev { left: 20px; }
.lightbox-nav-next { right: 20px; }

.lightbox-counter {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,.65);
  font-size: .82rem;
  pointer-events: none;
  white-space: nowrap;
}

.lightbox-content {
  max-width: min(900px, 92vw);
  max-height: 88vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox-content img,
.lightbox-content video {
  max-width: 100%;
  max-height: 88vh;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  object-fit: contain;
}

/* =============================================
   SCROLL ANIMATION
   ============================================= */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .5s ease, transform .5s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 768px) {
  :root { --section-pad: 56px; }

  .nav-links { display: none; }
  .nav-burger { display: flex; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height);
    left: 0; right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 24px;
    gap: 4px;
    box-shadow: var(--shadow-md);
  }

  .hero-inner {
    flex-direction: column-reverse;
    text-align: center;
    padding-top: 40px;
  }
  .hero-actions, .hero-socials { justify-content: center; }
  .hero-photo img { width: 160px; }

  .about-grid { grid-template-columns: 1fr; }
  .highlights-grid { grid-template-columns: 1fr; }
  .agenda-inner { grid-template-columns: 1fr; }

  .pub-item { grid-template-columns: 1fr; }
  .pub-thumb { width: 100%; }

  .project-control {
    width: 100%;
    justify-content: space-between;
  }

  .news-item {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .card-meta-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .card-meta-badges {
    justify-content: flex-start;
  }
}

@media (max-width: 480px) {
  .project-grid { grid-template-columns: 1fr; }

  .card-body {
    padding: 18px;
  }

  .card-link {
    width: 100%;
    justify-content: center;
  }
}