:root {
  color-scheme: light;
  --bg: #f5f7f9;
  --bg-secondary: #e8ecef;
  --bg-accent: #d4dbe0;
  --ink: #2c3e50;
  --muted: #6c7a89;
  --accent: #005f73;
  --accent-dark: #004d5c;
  --accent-light: #0a9396;
  --accent-gradient: linear-gradient(135deg, #005f73 0%, #004d5c 50%, #0a9396 100%);
  --accent-warm: #2a9d8f;
  --success: #10b981;
  --card: rgba(255, 255, 255, 0.85);
  --card-hover: rgba(255, 255, 255, 0.98);
  --line: rgba(108, 122, 137, 0.15);
  --shadow: 0 10px 30px rgba(0, 95, 115, 0.08);
  --shadow-lg: 0 20px 45px rgba(0, 95, 115, 0.12);
  --shadow-xl: 0 35px 70px rgba(0, 95, 115, 0.15);
  --radius: 22px;
  --radius-lg: 30px;
  --radius-xl: 42px;
  --max-width: 1200px;
  --font-display: "SF Pro Rounded", "SF Pro Display", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --font-body: "SF Pro Text", "SF Pro Rounded", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --transition: all 0.35s cubic-bezier(0.2, 0.9, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
  letter-spacing: 0.01em;
  position: relative;
  min-height: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: "";
  position: fixed;
  z-index: -2;
  top: -10%;
  left: -5%;
  right: -5%;
  bottom: 0;
  background: radial-gradient(900px 500px at 8% 8%, rgba(0, 95, 115, 0.06), transparent 60%),
              radial-gradient(800px 400px at 92% 12%, rgba(10, 147, 150, 0.05), transparent 55%),
              radial-gradient(700px 500px at 70% 80%, rgba(42, 157, 143, 0.04), transparent 65%);
  pointer-events: none;
  animation: drift 18s ease-in-out infinite alternate;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: radial-gradient(rgba(0, 95, 115, 0.1) 0.5px, transparent 0.5px);
  background-size: 24px 24px;
  opacity: 0.25;
  pointer-events: none;
}

@keyframes drift {
  0% {
    transform: translate3d(0, 0, 0);
  }
  100% {
    transform: translate3d(0, -24px, 0);
  }
}

@keyframes float {
  0% {
    transform: translate3d(0, 0, 0);
  }
  100% {
    transform: translate3d(0, -16px, 0);
  }
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover,
a:focus-visible {
  color: var(--accent-dark);
}

p {
  margin: 0 0 1rem 0;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  margin: 0 0 0.75rem 0;
  line-height: 1.15;
}

h1 {
  font-size: clamp(3rem, 5.4vw, 4.8rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

h2 {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.15;
}

h3 {
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

h4 {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.004em;
}

.container {
  width: min(100% - 2.5rem, var(--max-width));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 1rem;
  background: var(--ink);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  z-index: 10;
}

.skip-link:focus {
  left: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(248, 250, 252, 0.85);
  backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.site-header:hover {
  box-shadow: var(--shadow-lg);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 0;
  position: relative;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: var(--transition);
}

.logo:hover {
  opacity: 0.8;
  transform: translateY(-1px);
}

.site-nav {
  display: flex;
  gap: 1.25rem;
  align-items: center;
}

.site-nav a {
  font-weight: 500;
  color: var(--muted);
  position: relative;
  padding: 0.35rem 0.15rem;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.2rem;
  height: 2px;
  background: var(--accent-gradient);
  transform: scaleX(0);
  transform-origin: left;
  opacity: 0.7;
  transition: transform 0.3s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--accent-dark);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  font-weight: 600;
  box-shadow: var(--shadow);
  cursor: pointer;
}

.hero {
  padding: 6.5rem 0 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -180px;
  right: -120px;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle at 30% 30%, rgba(0, 95, 115, 0.12), rgba(10, 147, 150, 0.08) 55%, transparent 70%);
  opacity: 0.8;
  pointer-events: none;
}

.hero::after {
  content: '';
  display: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  grid-template-areas: "media content";
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
  padding-bottom: 6.5rem;
}

.hero-media {
  grid-area: media;
}

.hero-content {
  grid-area: content;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  padding-bottom: 0.4rem;
}

.hero-text {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-text h1 {
  font-size: clamp(2.4rem, 3.2vw, 3.2rem);
  white-space: nowrap;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.26em;
  font-size: 0.7rem;
  color: var(--accent-dark);
  font-weight: 700;
  margin-bottom: 0.9rem;
  display: inline-block;
}

.lead {
  font-size: 1.12rem;
  color: var(--muted);
}

.hero-quote {
  font-style: italic;
  color: var(--accent-dark);
  max-width: 38ch;
  margin: 1.2rem auto 1.6rem;
}

.hero-banner {
  margin: auto 0 0;
  padding: 0.7rem 1.2rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem 1rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px);
  max-width: 520px;
  justify-self: center;
}

.hero-strip {
  margin-top: 0;
  background: linear-gradient(135deg, #004d5c 0%, #005f73 100%);
  color: #fff;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-strip-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

.hero-socials {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  flex-wrap: nowrap;
}

.hero-social {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  border: none;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: rgba(255, 255, 255, 0.18);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
}

.hero-social svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
  display: block;
}

.hero-social-text {
  font-family: var(--font-display);
}

.social-text {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1;
}

.social-text sup {
  font-size: 0.65em;
  vertical-align: super;
  font-weight: 600;
}

.hero-social:hover,
.hero-social:focus-visible {
  background: rgba(255, 255, 255, 0.28);
  border-color: rgba(255, 255, 255, 0.8);
}

.hero-cv {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.6);
  color: #fff;
  padding: 0.4rem 1.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.08);
}

.hero-cv:hover,
.hero-cv:focus-visible {
  background: rgba(255, 255, 255, 0.2);
}

.hero-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.2rem;
  padding: 0.2rem 0.5rem;
  border-right: 1px solid var(--line);
}

.hero-stat:nth-child(3n) {
  border-right: none;
}

.hero-stat + .hero-stat {
  border-left: none;
  padding-left: 0;
}

.hero-stat-number {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.56rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
  font-weight: 600;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2rem 0 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 2.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.btn:hover::before {
  left: 100%;
}

.btn.primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 16px 28px -18px rgba(59, 95, 122, 0.7);
}

.btn.primary:hover,
.btn.primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 20px 32px -16px rgba(59, 95, 122, 0.75);
}

.btn.ghost {
  border: 1px solid rgba(59, 95, 122, 0.25);
  color: var(--accent-dark);
  background: rgba(59, 95, 122, 0.08);
}

.btn.ghost:hover,
.btn.ghost:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(59, 95, 122, 0.5);
  color: var(--accent-dark);
  background: rgba(59, 95, 122, 0.14);
}

.hero-meta {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: 0.95rem;
  margin-top: 1rem;
  align-items: center;
}

.meta-label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

.hero-media {
  grid-area: media;
  display: grid;
  gap: 1.5rem;
}

.impact-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 1.3rem 1.4rem;
  backdrop-filter: blur(10px);
  display: grid;
  gap: 0.75rem;
  width: min(100%, 360px);
  justify-self: center;
}

.impact-title {
  margin: 0;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted);
  font-weight: 700;
}

.impact-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.6rem;
  color: var(--ink);
}

.impact-list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.95rem;
  color: var(--muted);
}

.impact-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  background: rgba(0, 95, 115, 0.15);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.info-card {
  width: min(100%, 360px);
  justify-self: center;
}

.portrait-wrap {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-xl);
  background: var(--card);
}

.portrait-wrap img {
  width: 100%;
  height: auto;
  display: block;
}

.portrait-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 60% at 20% 15%, rgba(0, 95, 115, 0.15), transparent 70%),
              radial-gradient(60% 60% at 80% 80%, rgba(10, 147, 150, 0.12), transparent 70%);
  mix-blend-mode: screen;
  opacity: 0.5;
  animation: float 14s ease-in-out infinite alternate;
}

.info-card {
  background: var(--card);
  padding: 1.6rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.info-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
  opacity: 0.5;
}

.info-card ul {
  padding-left: 1.1rem;
  margin: 0 0 1rem 0;
}

.socials {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.socials a {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
  font-size: 0.85rem;
  color: var(--muted);
  background: var(--card);
}

.socials a:hover,
.socials a:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--card-hover);
}

.section {
  padding: 5rem 0;
  position: relative;
  background: var(--bg);
}

.section:nth-child(even) {
  background: linear-gradient(180deg, var(--bg-secondary), var(--bg));
}

.section:nth-child(odd) {
  background: var(--bg);
}

.section-header {
  max-width: 720px;
  margin-bottom: 2.5rem;
}

.section-lead {
  color: var(--muted);
}

#education {
  padding-bottom: 4.25rem;
}

#education .section-header {
  margin-bottom: 2rem;
  position: relative;
  padding-bottom: 1rem;
}

#education .section-header::after {
  content: "";
  display: block;
  width: 88px;
  height: 2px;
  margin-top: 0.8rem;
  border-radius: 999px;
  background: var(--accent-gradient);
  opacity: 0.4;
}

#education .grid {
  gap: 1.4rem;
  align-items: stretch;
}

#education .card {
  position: relative;
  padding: 1.9rem 1.8rem 2rem;
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}

#education .card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 1.8rem;
  width: 52px;
  height: 3px;
  border-radius: 999px;
  background: var(--accent-gradient);
  opacity: 0.5;
  transform: none;
}

#education .card::after {
  content: "";
  position: absolute;
  top: -60px;
  right: -50px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 95, 115, 0.15), transparent 70%);
  opacity: 0.4;
  pointer-events: none;
}

#education .card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

#education .card .subtitle {
  font-size: 0.95rem;
}

#education .card .meta {
  font-size: 0.85rem;
}

#education .card .thesis {
  font-size: 0.9rem;
  margin-top: auto;
  padding-top: 1rem;
}

#expertise {
  padding-top: 4.25rem;
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

#expertise .section-header {
  position: relative;
  padding-bottom: 1.1rem;
}

#expertise .section-header::after {
  content: "";
  display: block;
  width: 120px;
  height: 2px;
  margin-top: 0.8rem;
  border-radius: 999px;
  background: var(--accent-gradient);
  opacity: 0.45;
}

#expertise .grid {
  gap: 1.5rem;
}

#expertise .card {
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  padding: 1.8rem 1.7rem 1.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

#expertise .card::before {
  position: static;
  width: 44px;
  height: 3px;
  border-radius: 999px;
  background: var(--accent-gradient);
  transform: none;
  opacity: 0.5;
  margin-bottom: 0.2rem;
  transition: none;
  align-self: flex-start;
}

#expertise .card h3 {
  margin-top: 0.15rem;
  margin-bottom: 0.3rem;
  font-size: 1.3rem;
}

#expertise .card ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
  display: grid;
  gap: 0.5rem;
  grid-auto-rows: minmax(1.45rem, auto);
}

#expertise .card li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding-left: 0;
  min-height: 1.45rem;
  color: var(--muted);
  font-size: 0.92rem;
}

#expertise .card li::before {
  content: "";
  flex: 0 0 6px;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent);
  opacity: 0.7;
  margin-top: 0.5rem;
}

#expertise .card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 28px 55px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 95, 115, 0.2);
  background: var(--card-hover);
}

.card {
  background: var(--card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  padding: 2.3rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gradient);
  transform: scaleX(0);
  transition: transform 0.3s ease;
  transform-origin: left;
  opacity: 0.6;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl), 0 0 30px rgba(0, 95, 115, 0.15);
  border-color: var(--accent);
  background: var(--card-hover);
}

.card:hover::before {
  transform: scaleX(1);
}

.card ul {
  padding-left: 1.1rem;
  margin: 0;
  color: var(--muted);
}

.subtitle {
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 0.4rem;
}

.meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.thesis {
  font-weight: 600;
  color: var(--accent);
}

.timeline {
  display: grid;
  gap: 1rem;
}

.timeline-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--card);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--accent-gradient);
  transform: scaleY(0);
  transition: transform 0.3s ease;
  transform-origin: top;
}

.timeline-item:hover {
  box-shadow: var(--shadow-xl), 0 0 20px rgba(0, 95, 115, 0.15);
  border-color: var(--accent);
  background: var(--card-hover);
}

.timeline-item:hover::before,
.timeline-item[open]::before {
  transform: scaleY(1);
}

.timeline-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 1.4rem 1.6rem;
}

.timeline-item-header {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  flex: 1;
}

.timeline-logo {
  width: 80px;
  height: 80px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(241, 245, 249, 0.9) 100%);
  border-radius: var(--radius);
  padding: 12px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  margin-top: 0;
  transition: var(--transition);
}

.timeline-item:hover .timeline-logo {
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

.timeline-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.timeline-content {
  flex: 1;
  min-width: 0;
  padding-top: 0;
}

.timeline-content h3 {
  margin-top: 0;
  margin-bottom: 0.3rem;
}

.timeline-content .subtitle {
  margin-top: 0;
  margin-bottom: 0;
}

.timeline-item summary::-webkit-details-marker {
  display: none;
}

.timeline-item summary::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--accent);
}

.timeline-item[open] summary::after {
  content: "-";
}

.timeline-meta {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: 0.9rem;
  color: var(--muted);
  text-align: right;
}

.timeline-body {
  padding: 0 1.6rem 1.6rem;
  color: var(--muted);
}

.timeline-body ul {
  padding-left: 1.2rem;
}

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 1.2rem;
}

.publications-container {
  max-width: 100%;
}

.year-group {
  margin-bottom: 2rem;
  background: var(--card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  overflow: hidden;
}

.year-summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.4rem 1.6rem;
  color: var(--accent);
  font-weight: 700;
}

.year-summary::-webkit-details-marker {
  display: none;
}

.year-summary::marker {
  content: "";
}

.year-summary::after {
  content: "+";
  font-size: 1.3rem;
  color: var(--accent);
}

.year-group[open] .year-summary {
  border-bottom: 1px solid var(--line);
}

.year-group[open] .year-summary::after {
  content: "-";
}

.year-title {
  font-size: 1.6rem;
  color: inherit;
  margin: 0;
}

.year-body {
  padding: 0 1.6rem 1.6rem;
}

.conference-subtitle {
  font-size: 1.3rem;
  color: var(--accent-dark);
  margin: 2rem 0 1rem;
  padding-top: 1.5rem;
  border-top: 1px dashed var(--line);
}

.pub-list {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.pub-item {
  padding: 1rem;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 16px;
  border-left: 2px solid var(--accent-light);
  line-height: 1.7;
  transition: all 0.2s ease;
}

.pub-item:hover {
  background: rgba(255, 255, 255, 0.95);
  border-left-color: var(--accent);
  transform: translateX(6px);
  box-shadow: var(--shadow);
}

.pub-item strong {
  color: var(--ink);
}

.pub-item em {
  color: var(--accent);
  font-style: italic;
}

.pub-item a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  margin-left: 0.5rem;
  padding: 0.2rem 0.5rem;
  background: rgba(0, 95, 115, 0.15);
  border-radius: 8px;
  transition: all 0.2s ease;
}

.pub-item a:hover {
  background: var(--accent);
  color: white;
}

.pub-item .award {
  display: inline-block;
  background: linear-gradient(135deg, #0a9396, #005f73);
  color: white;
  padding: 0.3rem 0.7rem;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.85rem;
  margin-left: 0.5rem;
  box-shadow: 0 2px 8px rgba(0, 95, 115, 0.4);
}

.pub-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
  padding: 3rem;
  background: linear-gradient(135deg, #004d5c 0%, #005f73 55%, #0a9396 100%);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

.pub-stats::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.stat-item {
  text-align: center;
  color: white;
  position: relative;
  z-index: 1;
}

.stat-number {
  font-size: 4rem;
  font-weight: 800;
  font-family: var(--font-display);
  line-height: 1;
  margin-bottom: 0.5rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.stat-label {
  font-size: 0.95rem;
  opacity: 0.95;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 600;
}

.contact {
  position: relative;
}

.contact-grid {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: stretch;
}

.contact-info {
  background: var(--card);
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
  height: 100%;
}

.contact-details {
  display: grid;
  gap: 1rem;
}

.contact-form {
  background: var(--card);
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
  display: grid;
  gap: 1rem;
  height: 100%;
}

.contact-form label {
  display: grid;
  gap: 0.4rem;
  font-weight: 600;
}

.contact-form input,
.contact-form textarea {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 0.75rem 0.9rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 95, 115, 0.15);
  background: rgba(255, 255, 255, 1);
}

.form-status {
  min-height: 1.2rem;
  color: var(--accent);
}

.site-footer {
  padding: 2.5rem 0 3.5rem;
  text-align: center;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: rgba(241, 245, 249, 0.9);
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

.js .grid[data-reveal] > *,
.js .timeline[data-reveal] > *,
.js .partners-grid[data-reveal] > *,
.js .awards-grid[data-reveal] > *,
.js .skills-grid[data-reveal] > *,
.js .contact-grid[data-reveal] > *,
.js .publications-container .pub-list > *,
.js .publications-container .pub-stats > * {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.js .grid[data-reveal].is-visible > *,
.js .timeline[data-reveal].is-visible > *,
.js .partners-grid[data-reveal].is-visible > *,
.js .awards-grid[data-reveal].is-visible > *,
.js .skills-grid[data-reveal].is-visible > *,
.js .contact-grid[data-reveal].is-visible > *,
.js .publications-container.is-visible .pub-list > *,
.js .publications-container.is-visible .pub-stats > * {
  opacity: 1;
  transform: translateY(0);
}

.js .grid[data-reveal].is-visible > *:nth-child(1),
.js .timeline[data-reveal].is-visible > *:nth-child(1),
.js .partners-grid[data-reveal].is-visible > *:nth-child(1),
.js .awards-grid[data-reveal].is-visible > *:nth-child(1),
.js .skills-grid[data-reveal].is-visible > *:nth-child(1),
.js .contact-grid[data-reveal].is-visible > *:nth-child(1),
.js .publications-container.is-visible .pub-list > *:nth-child(1) {
  transition-delay: 0.05s;
}

.js .grid[data-reveal].is-visible > *:nth-child(2),
.js .timeline[data-reveal].is-visible > *:nth-child(2),
.js .partners-grid[data-reveal].is-visible > *:nth-child(2),
.js .awards-grid[data-reveal].is-visible > *:nth-child(2),
.js .skills-grid[data-reveal].is-visible > *:nth-child(2),
.js .contact-grid[data-reveal].is-visible > *:nth-child(2),
.js .publications-container.is-visible .pub-list > *:nth-child(2) {
  transition-delay: 0.12s;
}

.js .grid[data-reveal].is-visible > *:nth-child(3),
.js .timeline[data-reveal].is-visible > *:nth-child(3),
.js .partners-grid[data-reveal].is-visible > *:nth-child(3),
.js .awards-grid[data-reveal].is-visible > *:nth-child(3),
.js .skills-grid[data-reveal].is-visible > *:nth-child(3),
.js .contact-grid[data-reveal].is-visible > *:nth-child(3),
.js .publications-container.is-visible .pub-list > *:nth-child(3) {
  transition-delay: 0.18s;
}

.js .grid[data-reveal].is-visible > *:nth-child(4),
.js .timeline[data-reveal].is-visible > *:nth-child(4),
.js .partners-grid[data-reveal].is-visible > *:nth-child(4),
.js .awards-grid[data-reveal].is-visible > *:nth-child(4),
.js .skills-grid[data-reveal].is-visible > *:nth-child(4),
.js .contact-grid[data-reveal].is-visible > *:nth-child(4),
.js .publications-container.is-visible .pub-list > *:nth-child(4) {
  transition-delay: 0.24s;
}

.js .grid[data-reveal].is-visible > *:nth-child(5),
.js .timeline[data-reveal].is-visible > *:nth-child(5),
.js .partners-grid[data-reveal].is-visible > *:nth-child(5),
.js .awards-grid[data-reveal].is-visible > *:nth-child(5),
.js .skills-grid[data-reveal].is-visible > *:nth-child(5),
.js .contact-grid[data-reveal].is-visible > *:nth-child(5),
.js .publications-container.is-visible .pub-list > *:nth-child(5) {
  transition-delay: 0.3s;
}

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    grid-template-areas: "text" "media" "banner";
    gap: 3rem;
  }

  .hero-strip-inner {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero-content {
    display: contents;
  }

  .hero-text {
    grid-area: text;
  }

  .hero-banner {
    grid-area: banner;
    margin-top: 0.8rem;
  }

  .hero-media {
    grid-area: media;
  }

  .hero-text h1 {
    white-space: normal;
    font-size: clamp(2.4rem, 7vw, 3rem);
  }

  .hero::before {
    width: 360px;
    height: 360px;
    top: -140px;
    right: -200px;
  }

  .hero-banner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-radius: var(--radius-xl);
    padding: 1rem 1.2rem;
    max-width: none;
    margin: 0.8rem 0 0;
  }

  .hero-stat {
    padding: 0.4rem 0.6rem;
  }

  .hero-stat:nth-child(2n) {
    border-right: none;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    right: 1.5rem;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(18px);
    border-radius: var(--radius);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-lg);
    flex-direction: column;
    padding: 1rem;
    gap: 0.8rem;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .nav-toggle {
    display: inline-flex;
  }

  body.nav-open .site-nav {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .timeline-item summary {
    flex-direction: column;
    align-items: flex-start;
  }

  .timeline-meta {
    text-align: left;
  }

  .timeline-logo {
    width: 60px;
    height: 60px;
  }

  .timeline-item-header {
    gap: 1rem;
    align-items: flex-start;
  }
}

.partners-section {
  background: linear-gradient(180deg, rgba(241, 245, 249, 0.9), rgba(226, 232, 240, 0.95));
}

.partners-section .container {
  display: grid;
  grid-template-columns: minmax(280px, 420px) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: center;
}

.partners-section .section-header {
  margin-bottom: 0;
  max-width: 100%;
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.4rem;
  align-items: center;
  justify-items: center;
  padding: 2.2rem;
  border-radius: 28px;
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: var(--shadow-lg);
}

.partner-logo {
  width: 100%;
  max-width: none;
  height: 82px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(241, 245, 249, 0.94));
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.partner-logo::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.partner-logo:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(0, 95, 115, 0.15);
  border-color: var(--accent);
  background: rgba(255, 255, 255, 1);
}

.partner-logo:hover::before {
  opacity: 0.05;
}

.partner-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: grayscale(30%) opacity(0.85);
  transition: var(--transition);
  position: relative;
  z-index: 1;
}

.partner-logo:hover img {
  filter: grayscale(0%) opacity(1);
  transform: scale(1.05);
}

@media (max-width: 1000px) {
  .partners-section .container {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .partners-section .section-header {
    margin-bottom: 1.8rem;
  }
}

@media (max-width: 900px) {
  .partners-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .partners-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 1.8rem 1.4rem;
  }

  .hero-strip-inner {
    flex-direction: column;
    gap: 0.8rem;
  }

  .hero-socials {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero-social {
    width: 50px;
    height: 50px;
    border-radius: 14px;
  }

  .hero-social svg {
    width: 20px;
    height: 20px;
  }

  .hero-social .hero-social-icon {
    width: 22px;
    height: 22px;
    padding: 2px;
  }
}

.skills-section {
  background: var(--bg);
}

.skills-grid {
  display: grid;
  gap: 2rem;
  max-width: 100%;
}

.skill-category {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.skill-category:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.skill-category-compact {
  padding: 1.5rem 2rem;
}

.skill-category-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--ink);
}

.skill-icon {
  font-size: 1.25rem;
  line-height: 1;
  font-weight: 700;
  color: var(--accent);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
}

.skill-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink);
  transition: var(--transition);
  white-space: nowrap;
}

.skill-tag:hover {
  background: rgba(0, 95, 115, 0.1);
  border-color: var(--accent);
  color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0, 95, 115, 0.2);
}

.skill-tag-highlight {
  background: linear-gradient(135deg, rgba(0, 95, 115, 0.15), rgba(10, 147, 150, 0.12));
  border-color: var(--accent);
  color: var(--accent-dark);
  font-weight: 600;
}

.skill-tag-highlight:hover {
  background: linear-gradient(135deg, rgba(0, 95, 115, 0.25), rgba(10, 147, 150, 0.2));
  border-color: var(--accent-dark);
}

.skill-tag-success {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(5, 150, 105, 0.12));
  border-color: var(--success);
  color: #059669;
  font-weight: 600;
}

.skill-tag-success:hover {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.25), rgba(5, 150, 105, 0.2));
  border-color: #059669;
}

.skill-tag-award {
  background: linear-gradient(135deg, rgba(42, 157, 143, 0.15), rgba(10, 147, 150, 0.12));
  border-color: var(--accent-warm);
  color: var(--accent-warm);
  font-weight: 600;
}

.skill-tag-award:hover {
  background: linear-gradient(135deg, rgba(42, 157, 143, 0.25), rgba(10, 147, 150, 0.2));
  border-color: #2a9d8f;
}

@media (min-width: 768px) {
  .skills-grid {
    grid-template-columns: 1fr 1fr;
  }

  .skill-category:nth-child(1),
  .skill-category:nth-child(2) {
    grid-column: span 1;
  }
}

@media (min-width: 1024px) {
  .skills-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .skill-category:nth-child(1) {
    grid-column: span 2;
  }

  .skill-category:nth-child(2) {
    grid-column: span 1;
  }

  .skill-category:nth-child(3),
  .skill-category:nth-child(4),
  .skill-category:nth-child(5) {
    grid-column: span 1;
  }
}

/* Awards Section */
.awards-section {
  background: var(--bg-secondary);
}

.awards-grid {
  display: grid;
  gap: 1.5rem;
  max-width: 100%;
}

.award-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  transition: var(--transition);
  overflow: hidden;
  position: relative;
}

.award-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl), 0 0 30px rgba(0, 95, 115, 0.2);
  border-color: var(--accent);
  background: var(--card-hover);
}

.award-card-featured {
  padding: 2.5rem;
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  background: linear-gradient(135deg, rgba(0, 95, 115, 0.12), rgba(10, 147, 150, 0.08));
  border-left: 4px solid var(--accent);
}

.award-icon {
  font-size: 2.5rem;
  line-height: 1;
  flex-shrink: 0;
  font-weight: 700;
  color: var(--accent);
}

.award-content {
  flex: 1;
}

.award-badge {
  display: inline-block;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.award-badge-grant {
  background: linear-gradient(135deg, #005f73, #004d5c);
  color: white;
  box-shadow: 0 4px 12px rgba(0, 95, 115, 0.5);
}

.award-badge-gold {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: white;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.5);
}

.award-badge-review {
  background: linear-gradient(135deg, #0a9396, #2a9d8f);
  color: white;
  box-shadow: 0 4px 12px rgba(42, 157, 143, 0.5);
}

.award-badge-distinguished {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.5);
}

.award-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 0.5rem 0;
  color: var(--ink);
}

.award-org-row {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.award-org {
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
  margin: 0;
}

.award-logo {
  height: 28px;
  width: auto;
  opacity: 0.9;
  filter: grayscale(10%);
}

.award-desc {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
}

.awards-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.award-card-compact {
  padding: 1.5rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.award-card-compact .award-content {
  display: grid;
  gap: 0.4rem;
}

.award-card-compact .award-badge {
  white-space: nowrap;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  line-height: 1;
  padding: 0.4rem 0.9rem;
}

.award-icon-small {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  line-height: 1;
  flex-shrink: 0;
  font-weight: 700;
  color: var(--accent);
}

.award-title-small {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 0.25rem 0;
  color: var(--ink);
}

.award-org-small {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0;
}

.patents-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.patents-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.patents-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.patents-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0;
  color: var(--ink);
}

.patents-list {
  display: grid;
  gap: 1rem;
}

.patent-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 18px;
  border: 1px solid var(--line);
  transition: var(--transition);
}

.patent-item:hover {
  background: rgba(255, 255, 255, 0.95);
  border-color: var(--accent);
  transform: translateX(4px);
  box-shadow: var(--shadow);
}

.patent-id {
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(0, 95, 115, 0.15);
  padding: 0.4rem 0.75rem;
  border-radius: 10px;
}

.patent-name {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
}

.patent-role {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  background: rgba(0, 95, 115, 0.15);
  padding: 0.3rem 0.7rem;
  border-radius: 10px;
}

@media (max-width: 768px) {
  .award-card-featured {
    flex-direction: column;
    gap: 1.5rem;
    padding: 2rem;
  }

  .award-icon {
    font-size: 2.5rem;
  }

  .awards-row {
    grid-template-columns: 1fr;
  }

  .award-card-compact .award-badge {
    white-space: normal;
  }

  .patent-item {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .patent-role {
    justify-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  body::before,
  .portrait-glow {
    animation: none;
  }

  .btn,
  .js [data-reveal],
  .js .grid[data-reveal] > *,
  .js .timeline[data-reveal] > *,
  .js .partners-grid[data-reveal] > *,
  .js .awards-grid[data-reveal] > *,
  .js .skills-grid[data-reveal] > *,
  .js .contact-grid[data-reveal] > *,
  .js .publications-container .pub-list > *,
  .js .publications-container .pub-stats > * {
    transition: none;
  }

  .partner-logo {
    transition: none;
  }

  .skill-tag {
    transition: none;
  }
}