:root {
  color-scheme: light;
  --bg: #f6f1e8;
  --ink: #1b1f24;
  --muted: #5b6573;
  --card: #ffffff;
  --accent: #f05a28;
  --accent-dark: #c8421e;
  --sea: #0f4d5c;
  --gold: #f2b950;
  --shadow: 0 20px 40px rgba(27, 31, 36, 0.12);
  --footer-bg: #efe6d8;
  --footer-text: #1b1f24;
  --footer-muted: rgba(27, 31, 36, 0.7);
  --radius: 22px;
  --radius-sm: 12px;
  --max: 1140px;
}

body.theme-dark {
  color-scheme: dark;
  --bg: #0f1216;
  --ink: #f3f1ec;
  --muted: #b7b9c3;
  --card: #161b22;
  --accent: #f2b950;
  --accent-dark: #d9a23f;
  --sea: #8fd3dd;
  --gold: #f05a28;
  --shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
  --footer-bg: #0c0f14;
  --footer-text: #f6f1e8;
  --footer-muted: rgba(246, 241, 232, 0.75);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "DM Sans", "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  background: var(--ink);
  color: #fff;
  padding: 8px 14px;
  border-radius: 8px;
  z-index: 99;
}

.skip-link:focus {
  left: 16px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 241, 232, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(27, 31, 36, 0.08);
}

.theme-dark .site-header {
  background: rgba(15, 18, 22, 0.9);
  border-bottom: 1px solid rgba(243, 241, 236, 0.08);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: "Space Grotesk", "Trebuchet MS", sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 0.85rem;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0;
  border: none;
  background: transparent;
  color: inherit;
  padding: 0;
  border-radius: 999px;
  font-size: 0.6rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: none;
}

.theme-dark .theme-toggle {
  color: #e7e4de;
}

.toggle-icon {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  opacity: 0.55;
}

.toggle-icon svg {
  width: 16px;
  height: 16px;
}

.toggle-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.4rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0;
  transition: opacity 0.2s ease;
  pointer-events: none;
}

.toggle-track {
  position: relative;
  width: 42px;
  height: 24px;
  border-radius: 999px;
  background: #d7dbe5;
  box-shadow: inset 3px 3px 6px rgba(0, 0, 0, 0.12),
    inset -3px -3px 6px rgba(255, 255, 255, 0.8);
}

.toggle-knob {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  border-radius: 999px;
  background: #f5f7fb;
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
  transition: transform 0.2s ease;
}

.toggle-knob::after {
  content: "";
  position: absolute;
  inset: 5px;
  border-radius: 999px;
  border: 2px solid rgba(150, 155, 170, 0.5);
}

.theme-dark .toggle-track {
  background: #2d3240;
  box-shadow: inset 3px 3px 6px rgba(0, 0, 0, 0.45),
    inset -3px -3px 6px rgba(255, 255, 255, 0.08);
}

.theme-dark .toggle-knob {
  transform: translateX(18px);
  background: #515a70;
}

.toggle-icon-light {
  right: 4px;
  left: auto;
  color: #6f7686;
}

.toggle-icon-dark {
  left: 4px;
  right: auto;
  color: #9aa4b8;
}

.theme-dark .toggle-icon-light {
  opacity: 0.3;
}

.theme-dark .toggle-icon-dark {
  opacity: 0.9;
  color: #c7cedd;
}

body:not(.theme-dark) .toggle-icon-light {
  opacity: 0.9;
  color: #6f7686;
}

body:not(.theme-dark) .toggle-icon-dark {
  opacity: 0.3;
}

body:not(.theme-dark) .theme-toggle:hover .toggle-text-light,
body:not(.theme-dark) .theme-toggle:focus-visible .toggle-text-light,
.theme-dark .theme-toggle:hover .toggle-text-dark,
.theme-dark .theme-toggle:focus-visible .toggle-text-dark {
  opacity: 0.8;
}

.nav-toggle {
  display: none;
  border: none;
  background: var(--ink);
  color: #fff;
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 0.9rem;
}

.theme-dark .nav-toggle {
  background: #e7e4de;
  color: #0f1216;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  font-weight: 500;
}

.nav-links a {
  color: inherit;
}

.nav-links a {
  position: relative;
  padding-bottom: 4px;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.2s ease;
}

.nav-links a:hover::after,
.nav-links a:focus::after,
.nav-links a[aria-current="page"]::after {
  width: 100%;
}

.hero {
  position: relative;
  padding: 80px 0 60px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto;
  height: 70%;
  background: radial-gradient(circle at 20% 20%, rgba(240, 90, 40, 0.28), transparent 55%),
    radial-gradient(circle at 80% 10%, rgba(15, 77, 92, 0.25), transparent 45%);
  z-index: 0;
}

.theme-dark .hero::before {
  background: radial-gradient(circle at 20% 20%, rgba(240, 90, 40, 0.2), transparent 55%),
    radial-gradient(circle at 80% 10%, rgba(143, 211, 221, 0.2), transparent 45%);
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  align-items: center;
}

.kicker {
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-size: 0.75rem;
  color: var(--sea);
}

.hero h1 {
  font-family: "Space Grotesk", "Trebuchet MS", sans-serif;
  font-size: clamp(2.4rem, 4vw, 4rem);
  margin: 16px 0 12px;
}

.hero p {
  color: var(--muted);
  font-size: 1.05rem;
  margin: 0 0 24px;
  text-align: justify;
  text-justify: inter-word;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  border: 2px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 24px rgba(240, 90, 40, 0.35);
}

.btn-secondary {
  border-color: var(--ink);
}

.btn:hover,
.btn:focus {
  transform: translateY(-2px);
}

.hero-panel {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.hero-panel h3 {
  font-family: "Space Grotesk", "Trebuchet MS", sans-serif;
  margin: 0 0 16px;
}

.hero-panel ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.hero-panel li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.95rem;
}

.section {
  padding: 70px 0;
}

.section-title {
  font-family: "Space Grotesk", "Trebuchet MS", sans-serif;
  font-size: clamp(1.6rem, 2.6vw, 2.4rem);
  margin-bottom: 12px;
}

.section-subtitle {
  color: var(--muted);
  margin-bottom: 18px;
  text-align: justify;
  text-justify: inter-word;
}

.grid {
  display: grid;
  gap: 24px;
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 980px) {
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card {
  background: var(--card);
  border-radius: var(--radius-sm);
  padding: 24px;
  box-shadow: 0 14px 24px rgba(27, 31, 36, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card p,
.list-item p {
  text-align: justify;
  text-justify: inter-word;
}

.lab-image {
  width: 100%;
  height: 180px;
  border-radius: 14px;
  object-fit: cover;
  border: 1px solid rgba(27, 31, 36, 0.12);
}

.lab-points {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  color: var(--muted);
}

.list-item a {
  color: #2b6de9;
  font-weight: 600;
}

.list-item a:hover,
.list-item a:focus {
  text-decoration: underline;
}

.theme-dark .card,
.theme-dark .team-card,
.theme-dark .hero-panel,
.theme-dark .list-item,
.theme-dark .portfolio-item {
  background: var(--card);
  box-shadow: 0 14px 24px rgba(0, 0, 0, 0.35);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgba(27, 31, 36, 0.18);
}

.icon-badge {
  width: 46px;
  height: 46px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-weight: 700;
  background: rgba(240, 90, 40, 0.12);
  color: var(--accent);
  margin-bottom: 18px;
}

.timeline {
  position: relative;
  padding-left: 30px;
  border-left: 2px solid rgba(27, 31, 36, 0.16);
  display: grid;
  gap: 26px;
}

.timeline-item {
  position: relative;
  padding-left: 14px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -38px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(240, 90, 40, 0.2);
}

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(15, 77, 92, 0.12);
  color: var(--sea);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.portfolio-item {
  border-radius: 18px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 12px 30px rgba(27, 31, 36, 0.12);
}

.portfolio-art {
  height: 160px;
  background: linear-gradient(120deg, rgba(15, 77, 92, 0.9), rgba(240, 90, 40, 0.9));
  position: relative;
}

.portfolio-art::after {
  content: "";
  position: absolute;
  inset: 16px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.6);
}

.portfolio-body {
  padding: 18px;
}

.media-grid {
  display: grid;
  gap: 24px;
}

.media-item {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: 20px;
  background: var(--card);
  border-radius: 18px;
  padding: 20px;
  box-shadow: 0 14px 24px rgba(27, 31, 36, 0.08);
}

.media-embed {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  border-radius: 14px;
  overflow: hidden;
  background: #0c1117;
}

.media-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.media-info h3 {
  margin-top: 0;
}

.media-info p {
  margin-bottom: 16px;
}

.theme-dark .media-item {
  background: var(--card);
  box-shadow: 0 14px 24px rgba(0, 0, 0, 0.35);
}

@media (max-width: 860px) {
  .media-item {
    grid-template-columns: 1fr;
  }
}
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 22px;
}

.team-card {
  background: #fff;
  border-radius: 20px;
  padding: 20px;
  box-shadow: var(--shadow);
  text-align: center;
}

.avatar {
  width: 96px;
  height: 96px;
  border-radius: 28px;
  margin: 0 auto 16px;
  background: linear-gradient(140deg, rgba(242, 185, 80, 0.8), rgba(240, 90, 40, 0.8));
  display: grid;
  place-items: center;
  font-weight: 700;
  color: #fff;
  font-size: 1.2rem;
}

.list {
  display: grid;
  gap: 12px;
}

.list-tight {
  gap: 10px;
}

.list-tight .list-item {
  padding: 16px 18px;
}

.edu-timeline {
  position: relative;
  display: grid;
  gap: 24px;
  --edu-left: 200px;
  --edu-mid: 36px;
  --edu-gap: 20px;
}

.edu-item {
  position: relative;
  display: grid;
  grid-template-columns: var(--edu-left) var(--edu-mid) minmax(0, 1.6fr);
  gap: var(--edu-gap);
  align-items: start;
}

.edu-timeline::before {
  content: "";
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: calc(var(--edu-left) + var(--edu-gap) + (var(--edu-mid) / 2));
  width: 2px;
  background: rgba(27, 31, 36, 0.18);
}

.theme-dark .edu-timeline::before {
  background: rgba(243, 241, 236, 0.2);
}

.edu-left h3,
.edu-right h3 {
  margin: 0 0 6px;
}

.edu-left p,
.edu-right p {
  margin: 0 0 6px;
}

.edu-left {
  text-align: right;
}

.edu-mid {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.edu-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #f05a28;
  box-shadow: 0 0 0 6px rgba(240, 90, 40, 0.2);
  position: relative;
  z-index: 1;
  margin-top: 2px;
}

.theme-dark .edu-dot {
  box-shadow: 0 0 0 6px rgba(240, 90, 40, 0.28);
}

@media (max-width: 820px) {
  .edu-item {
    grid-template-columns: 1fr;
  }

  .edu-left {
    text-align: left;
  }

  .edu-mid {
    display: none;
  }

  .edu-timeline::before {
    display: none;
  }
}

.exp-timeline {
  position: relative;
  display: grid;
  gap: 24px;
  --exp-left: 240px;
  --exp-mid: 36px;
  --exp-gap: 20px;
}

.exp-item {
  position: relative;
  display: grid;
  grid-template-columns: var(--exp-left) var(--exp-mid) minmax(0, 1.6fr);
  gap: var(--exp-gap);
  align-items: start;
}

.exp-timeline::before {
  content: "";
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: calc(var(--exp-left) + var(--exp-gap) + (var(--exp-mid) / 2));
  width: 2px;
  background: rgba(27, 31, 36, 0.18);
}

.theme-dark .exp-timeline::before {
  background: rgba(243, 241, 236, 0.2);
}

.exp-left {
  text-align: right;
}

.exp-left h3,
.exp-right h3 {
  margin: 0 0 6px;
}

.exp-left p,
.exp-right p {
  margin: 0 0 6px;
}

.exp-right ul {
  margin: 6px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}

.exp-right li {
  color: var(--muted);
}

.exp-mid {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.exp-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #f05a28;
  box-shadow: 0 0 0 6px rgba(240, 90, 40, 0.2);
  position: relative;
  z-index: 1;
  margin-top: 2px;
}

.theme-dark .exp-dot {
  box-shadow: 0 0 0 6px rgba(240, 90, 40, 0.28);
}

@media (max-width: 820px) {
  .exp-item {
    grid-template-columns: 1fr;
  }

  .exp-left {
    text-align: left;
  }

  .exp-mid {
    display: none;
  }

  .exp-timeline::before {
    display: none;
  }
}

.list-item {
  background: #fff;
  border-radius: 18px;
  padding: 20px;
  box-shadow: 0 10px 24px rgba(27, 31, 36, 0.1);
  display: grid;
  gap: 6px;
}

.list-item h3 {
  margin: 0;
}

.item-body {
  display: grid;
  gap: 6px;
}

.item-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.item-date {
  font-size: 0.85rem;
  color: var(--muted);
  white-space: nowrap;
}

.item-points {
  margin: 6px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}

.item-points li {
  color: var(--muted);
}

.item-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0 6px;
}

.item-tags span {
  background: rgba(240, 90, 40, 0.12);
  color: var(--ink);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.8rem;
  font-weight: 600;
}

.theme-dark .item-tags span {
  background: rgba(242, 185, 80, 0.18);
  color: var(--ink);
}

.list-media .list-item {
  grid-template-columns: minmax(0, 1fr) 120px;
  gap: 18px;
  align-items: center;
}

.list-media .item-image {
  width: 120px;
  height: 120px;
  border-radius: 16px;
  object-fit: cover;
  border: 1px solid rgba(27, 31, 36, 0.1);
  box-shadow: 0 8px 18px rgba(27, 31, 36, 0.12);
  justify-self: end;
}

.list-media .item-video {
  width: 120px;
  height: 120px;
  border-radius: 16px;
  border: 0;
  box-shadow: 0 8px 18px rgba(27, 31, 36, 0.12);
  justify-self: end;
}

.section-title-link {
  color: inherit;
  text-decoration: none;
}

.section-title-link:hover,
.section-title-link:focus {
  text-decoration: underline;
  text-underline-offset: 6px;
}

@media (max-width: 720px) {
  .list-media .list-item {
    grid-template-columns: 1fr;
  }

  .list-media .item-image {
    width: 100%;
    height: 200px;
    justify-self: stretch;
  }

  .list-media .item-video {
    width: 100%;
    height: 200px;
    justify-self: stretch;
  }
}

.form {
  display: grid;
  gap: 14px;
}

input,
textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(27, 31, 36, 0.2);
  font-family: inherit;
}

textarea {
  min-height: 130px;
  resize: vertical;
}

.footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 40px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(240px, 1.4fr) repeat(2, minmax(160px, 1fr));
  gap: 28px;
  align-items: start;
}

.footer-profile {
  display: grid;
  gap: 14px;
}

.footer-profile-main {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.footer-avatar {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  object-fit: cover;
  border: 2px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

.footer h3 {
  margin: 0 0 6px;
}

.footer p {
  margin: 0;
  color: var(--footer-muted);
}

.university-logo img {
  max-width: 220px;
  height: auto;
  display: block;
  opacity: 0.9;
}

@media (max-width: 760px) {
  .footer-grid {
    grid-template-columns: 1fr;
    align-items: flex-start;
  }

  .footer-profile {
    align-items: flex-start;
  }
}

.footer a {
  color: var(--footer-text);
  opacity: 0.88;
}

.footer a:hover,
.footer a:focus {
  opacity: 1;
  color: var(--accent-dark);
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

.map-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.map-card {
  background: var(--card);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 12px;
}

.map-card h3 {
  margin: 0 0 6px;
}

.map-card p {
  margin: 0;
  color: var(--muted);
}

.map-frame {
  width: 100%;
  height: 280px;
  border: 0;
  border-radius: 14px;
}

@media (max-width: 980px) {
  .map-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .nav-links {
    position: absolute;
    top: 68px;
    right: 20px;
    flex-direction: column;
    background: #fff;
    padding: 18px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    min-width: 200px;
    display: none;
  }

  .theme-dark .nav-links {
    background: #161b22;
    color: var(--ink);
    box-shadow: 0 18px 30px rgba(0, 0, 0, 0.45);
  }

  .nav-links.open {
    display: flex;
  }

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

  .theme-toggle {
    padding: 6px 8px;
  }
}

@media (max-width: 520px) {
  .nav {
    flex-wrap: wrap;
    gap: 12px;
  }

  .nav-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .theme-toggle {
    font-size: 0.5rem;
  }

  .toggle-track {
    width: 38px;
    height: 22px;
  }

  .toggle-knob {
    width: 18px;
    height: 18px;
    top: 2px;
    left: 2px;
  }

  .theme-dark .toggle-knob {
    transform: translateX(16px);
  }

  .toggle-text {
    display: none;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 60px;
  }

  .cta-row {
    flex-direction: column;
    align-items: stretch;
  }
}