:root {
  --bg: #07131b;
  --bg-soft: rgba(9, 26, 37, 0.72);
  --panel: rgba(10, 27, 38, 0.82);
  --panel-strong: rgba(7, 22, 33, 0.96);
  --line: rgba(128, 192, 213, 0.2);
  --text: #eef7fb;
  --muted: #9fb7c4;
  --accent: #4dd0b5;
  --accent-2: #f7b955;
  --accent-3: #79b8ff;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.28);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Noto Sans SC", "Noto Sans", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(77, 208, 181, 0.2), transparent 28%),
    radial-gradient(circle at 85% 10%, rgba(247, 185, 85, 0.18), transparent 24%),
    radial-gradient(circle at 50% 120%, rgba(121, 184, 255, 0.18), transparent 30%),
    linear-gradient(180deg, #061018 0%, #091824 48%, #061018 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.46), rgba(0, 0, 0, 0.08));
  pointer-events: none;
}

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

.page-shell {
  position: relative;
  z-index: 1;
  opacity: 0;
  animation: page-ready 720ms cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
  animation-delay: 120ms;
}

@keyframes page-ready {
  from { opacity: 0; transform: scale(0.99); }
  to { opacity: 1; transform: scale(1); }
}


.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px max(24px, calc((100vw - var(--max-width)) / 2 + 24px));
  background: rgba(6, 16, 24, 0.72);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.brand {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.lang-button {
  border: 0;
  border-radius: 999px;
  padding: 10px 14px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  cursor: pointer;
  transition: 180ms ease;
}

.lang-button.is-active {
  background: linear-gradient(135deg, rgba(77, 208, 181, 0.24), rgba(121, 184, 255, 0.2));
  color: var(--text);
}

main {
  width: min(var(--max-width), calc(100% - 32px));
  margin: 0 auto;
  padding: 36px 0 72px;
}

.hero,
.content-section,
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 1.2s cubic-bezier(0.2, 0.8, 0.2, 1), transform 1.2s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.hero.is-visible,
.content-section.is-visible,
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.hero,
.content-section {
  /* These will be animated by IntersectionObserver Adding is-visible class */
}


.hero {
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  gap: 24px;
  align-items: stretch;
  margin-top: 12px;
}

.hero-card,
.panel,
.metric-card,
.project-card,
.doc-card,
.timeline-card,
.fit-card,
.media-card {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 34px;
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.hero-card::after {
  content: "";
  position: absolute;
  inset: auto -12% -24% auto;
  width: 240px;
  height: 240px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(77, 208, 181, 0.24), transparent 68%);
  pointer-events: none;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(77, 208, 181, 0.12);
  color: #b7f4e7;
  font-size: 0.88rem;
}

.hero-title {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2.5rem, 5vw, 4.85rem);
  line-height: 0.96;
  letter-spacing: -0.05em;
}

.hero-title .sub {
  display: block;
  font-size: clamp(1.06rem, 2.3vw, 1.52rem);
  line-height: 1.35;
  letter-spacing: 0;
  color: #d8edf5;
  margin-top: 12px;
}

.hero-summary {
  margin: 22px 0 0;
  max-width: 58ch;
  color: var(--muted);
  line-height: 1.8;
}

.hero-actions,
.doc-links,
.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin-top: 26px;
}

.action-link,
.doc-link,
.contact-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.action-link:hover,
.doc-link:hover,
.contact-link:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.24);
}

.action-link.is-primary {
  background: linear-gradient(135deg, rgba(77, 208, 181, 0.26), rgba(121, 184, 255, 0.22));
}

.action-link.is-secondary {
  background: rgba(255, 255, 255, 0.04);
}

.hero-side {
  display: grid;
  gap: 18px;
}

.panel {
  padding: 24px;
  border-radius: var(--radius-xl);
}

.panel-title,
.section-title {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.3rem, 2vw, 1.76rem);
  line-height: 1.05;
}

.panel-copy,
.section-lead {
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.75;
}

.facts-list {
  display: grid;
  gap: 14px;
}

.fact-item {
  display: grid;
  gap: 4px;
}

.fact-label {
  color: #d8edf5;
  font-size: 0.9rem;
}

.fact-value {
  color: var(--muted);
  line-height: 1.7;
}

.metric-grid,
.fit-grid,
.timeline-grid,
.project-grid,
.doc-grid,
.media-grid,
.capability-grid {
  display: grid;
  gap: 18px;
}

.metric-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metric-card {
  padding: 18px;
  border-radius: var(--radius-lg);
}

.metric-value {
  display: block;
  font-family: "Space Grotesk", sans-serif;
  font-size: 2rem;
  color: var(--accent-2);
}

.metric-label {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.95rem;
}

.content-section {
  margin-top: 26px;
  padding: 28px;
  border-radius: var(--radius-xl);
  background: rgba(8, 21, 31, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(14px);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
}

.section-kicker {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 0.84rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

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

.timeline-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.doc-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.fit-card,
.timeline-card,
.project-card,
.doc-card,
.media-card {
  padding: 22px;
  border-radius: var(--radius-lg);
}

.fit-tag,
.timeline-period,
.project-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: #c5d8e0;
  font-size: 0.82rem;
}

.fit-title,
.timeline-title,
.project-title,
.doc-title,
.media-title {
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.35;
}

.fit-copy,
.timeline-copy,
.project-copy,
.doc-copy,
.media-copy {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.timeline-list,
.project-list,
.bullet-list {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.8;
}

.project-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 14px;
  margin-bottom: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-card {
  margin-top: 26px;
  padding: 28px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(77, 208, 181, 0.12), rgba(121, 184, 255, 0.1));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-title {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.7rem, 2vw, 2.2rem);
}

.footer-copy {
  margin: 12px 0 20px;
  color: var(--muted);
  line-height: 1.8;
}

.noscript {
  width: min(var(--max-width), calc(100% - 32px));
  margin: 28px auto;
  padding: 18px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.08);
}



.teaching-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-top: 24px;
}

.teaching-card {
  position: relative;
  padding: 24px;
  border-radius: var(--radius-xl);
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  transition: transform 300ms ease, border-color 300ms ease;
  overflow: hidden;
}

.teaching-card:hover {
  transform: translateY(-4px);
  border-color: rgba(77, 208, 181, 0.4);
}

.teaching-badges {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.group-badge,
.metric-chip {
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 500;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.group-badge {
  background: rgba(121, 184, 255, 0.1);
  color: var(--accent-3);
}

.metric-chip {
  background: rgba(77, 208, 181, 0.1);
  color: var(--accent);
}

.card-title {
  margin: 0;
  font-size: 1.2rem;
  color: #fff;
  font-family: "Space Grotesk", sans-serif;
}

.card-copy {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.teaching-image-wrap {
  margin-top: 20px;
  position: relative;
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-md);
  padding: 6px;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.teaching-image {
  width: 100%;
  height: auto;
  border-radius: 12px;
  display: block;
  transition: transform 400ms ease;
}

.teaching-card:hover .teaching-image {
  transform: scale(1.01);
}

.teaching-folder {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.8rem;
  overflow-wrap: anywhere;
}

.teaching-folder-label {
  color: #d8edf5;
  font-weight: 500;
  margin-right: 4px;
}

.teaching-folder-value {
  opacity: 0.8;
}

@media (max-width: 960px) {
  .teaching-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1080px) {
  .hero,
  .timeline-grid,
  .project-grid,
  .doc-grid,
  .capability-grid,
  .fit-grid,
  .media-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .topbar {
    padding-inline: 16px;
    flex-direction: column;
    align-items: stretch;
  }

  main {
    width: calc(100% - 20px);
    padding-top: 18px;
  }

  .hero-card,
  .panel,
  .content-section,
  .footer-card {
    padding: 22px;
  }

  .metric-grid,
  .timeline-grid,
  .project-grid,
  .doc-grid,
  .capability-grid,
  .fit-grid,
  .media-grid {
    grid-template-columns: 1fr;
  }

  .section-heading {
    flex-direction: column;
    align-items: flex-start;
  }

  .brand {
    text-align: center;
  }

  .lang-switch {
    justify-content: center;
  }
}