:root {
  --bg:        #04080F;
  --bg2:       #080E1C;
  --bg3:       #0B1428;
  --cyan:      #00E5C0;
  --cyan-dim:  #00A88A;
  --amber:     #F5A623;
  --text:      #E8EEF7;
  --text-dim:  #8A9BB5;
  --border:    rgba(0,229,192,0.12);
  --glow:      0 0 40px rgba(0,229,192,0.15);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Source Serif 4', Georgia, serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.7;
}

/* ── NOISE OVERLAY ── */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none;
  opacity: 0.6;
}

/* ── MOLECULAR CANVAS ── */
#mol-canvas {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  z-index: 0; pointer-events: none; opacity: 0.18;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; width: 100%; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.6rem 4rem;
  background: rgba(4,8,15,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: 'Space Mono', monospace;
  font-size: 0.78rem;
  color: var(--cyan);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
}
.nav-logo span { color: var(--text-dim); }

.nav-links {
  display: flex; gap: 2.5rem; list-style: none;
  font-family: 'Space Mono', monospace;
  font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase;
}
.nav-links a { color: var(--text-dim); text-decoration: none; transition: color 0.2s; }
.nav-links a:hover { color: var(--cyan); }

.nav-badge {
  font-family: 'Space Mono', monospace; font-size: 0.68rem;
  color: var(--bg); background: var(--cyan);
  padding: 0.4rem 1rem; border-radius: 2px; letter-spacing: 0.08em;
  text-decoration: none;
}

/* ── HERO ── */
#hero {
  position: relative; z-index: 1;
  min-height: 100vh;
  display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center;
  padding: 8rem 4rem 4rem;
  overflow: hidden;
}

.hero-logo-wrap {
  margin-bottom: 2rem;
  opacity: 0; animation: fadeUp 0.8s 0.1s ease forwards;
}
.hero-logo {
  height: 200px;
  width: auto;
  display: block;
  margin: 0 auto;
  filter: drop-shadow(0 0 32px rgba(0,229,192,0.45));
}

.hero-eyebrow {
  font-family: 'Space Mono', monospace;
  font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1.5rem;
  opacity: 0; animation: fadeUp 0.8s 0.2s ease forwards;
}

.hero-title {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: clamp(2.8rem, 7vw, 6rem);
  line-height: 1.05;
  max-width: 820px;
  text-align: center;
  opacity: 0; animation: fadeUp 0.8s 0.4s ease forwards;
}
.hero-title em {
  font-style: italic;
  color: var(--cyan);
}

.hero-sub {
  margin-top: 1.8rem;
  max-width: 520px;
  font-size: 1.05rem;
  color: var(--text-dim);
  font-weight: 300;
  opacity: 0; animation: fadeUp 0.8s 0.6s ease forwards;
}

.hero-cta {
  margin-top: 2.5rem;
  display: flex; gap: 1rem; align-items: center;
  opacity: 0; animation: fadeUp 0.8s 0.8s ease forwards;
}

.btn-primary {
  font-family: 'Space Mono', monospace; font-size: 0.75rem;
  letter-spacing: 0.1em; text-transform: uppercase; text-decoration: none;
  background: var(--cyan); color: var(--bg);
  padding: 0.85rem 2rem; border-radius: 2px;
  transition: box-shadow 0.3s, transform 0.2s;
}
.btn-primary:hover { box-shadow: var(--glow); transform: translateY(-1px); }

.btn-secondary {
  font-family: 'Space Mono', monospace; font-size: 0.75rem;
  letter-spacing: 0.1em; text-transform: uppercase; text-decoration: none;
  color: var(--text-dim); border: 1px solid var(--border);
  padding: 0.85rem 2rem; border-radius: 2px;
  transition: color 0.2s, border-color 0.2s;
}
.btn-secondary:hover { color: var(--cyan); border-color: var(--cyan); }

.hero-stats {
  position: absolute; bottom: 3rem; right: 4rem;
  display: flex; gap: 3rem;
  opacity: 0; animation: fadeUp 0.8s 1s ease forwards;
}
.stat-item { text-align: right; }
.stat-num {
  font-family: 'Space Mono', monospace;
  font-size: 2rem; color: var(--cyan); display: block;
}
.stat-label {
  font-size: 0.72rem; color: var(--text-dim);
  letter-spacing: 0.06em;
}

/* ── GRADIENT DIVIDER ── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-dim), transparent);
  position: relative; z-index: 1;
}

/* ── SECTIONS COMMON ── */
section { position: relative; z-index: 1; padding: 6rem 4rem; }

.section-tag {
  font-family: 'Space Mono', monospace;
  font-size: 0.68rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--cyan); margin-bottom: 1rem;
}

.section-title {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.15;
  margin-bottom: 1.2rem;
}

/* ── PAGE HEADER (for subpages) ── */
.page-header {
  position: relative; z-index: 1;
  padding: 8rem 4rem 4rem;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
}
.page-header .section-tag { margin-bottom: 0.5rem; }
.page-header p { color: var(--text-dim); font-size: 0.97rem; max-width: 640px; margin-top: 1rem; }
.page-back {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: 'Space Mono', monospace; font-size: 0.7rem;
  color: var(--text-dim); text-decoration: none;
  letter-spacing: 0.08em; text-transform: uppercase;
  margin-bottom: 1.5rem; transition: color 0.2s;
}
.page-back:hover { color: var(--cyan); }

/* ── ABOUT ── */
#about { background: var(--bg2); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
  margin-top: 3rem;
}

.about-text p { color: var(--text-dim); margin-bottom: 1.2rem; font-size: 0.97rem; }

.highlight-box {
  border-left: 2px solid var(--cyan);
  padding: 1.2rem 1.5rem;
  background: rgba(0,229,192,0.04);
  margin: 2rem 0;
  font-style: italic;
  font-size: 1.05rem;
  color: var(--text);
}

.about-right { display: flex; flex-direction: column; gap: 1.5rem; }

.concept-card {
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.5rem;
  background: rgba(255,255,255,0.02);
  transition: border-color 0.3s, background 0.3s;
}
.concept-card:hover {
  border-color: rgba(0,229,192,0.4);
  background: rgba(0,229,192,0.04);
}
.concept-card .icon {
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem; color: var(--cyan); letter-spacing: 0.15em;
  margin-bottom: 0.5rem; display: block;
}
.concept-card h4 {
  font-family: 'DM Serif Display', serif;
  font-size: 1.1rem; margin-bottom: 0.4rem;
}
.concept-card p { font-size: 0.88rem; color: var(--text-dim); line-height: 1.6; }

/* ── PLATFORMS ── */
#platforms { background: var(--bg); }

.platforms-intro {
  display: grid; grid-template-columns: 1fr 2fr; gap: 4rem;
  align-items: start; margin-bottom: 4rem;
}
.platforms-intro p { color: var(--text-dim); font-size: 0.97rem; }

.platforms-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.platform-card {
  background: var(--bg2);
  padding: 2.5rem 2rem;
  transition: background 0.3s;
  position: relative;
  overflow: hidden;
}
.platform-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s ease;
}
.platform-card:hover { background: rgba(0,229,192,0.04); }
.platform-card:hover::before { transform: scaleX(1); }

.platform-num {
  font-family: 'Space Mono', monospace;
  font-size: 3rem; font-weight: 700;
  color: rgba(0,229,192,0.12); display: block;
  line-height: 1; margin-bottom: 1rem;
}
.platform-card h3 {
  font-family: 'DM Serif Display', serif;
  font-size: 1.3rem; margin-bottom: 0.6rem;
}
.platform-card p { font-size: 0.85rem; color: var(--text-dim); line-height: 1.6; }
.platform-tag {
  display: inline-block; margin-top: 1.2rem;
  font-family: 'Space Mono', monospace; font-size: 0.62rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--cyan-dim); border: 1px solid rgba(0,229,192,0.2);
  padding: 0.2rem 0.6rem; border-radius: 2px;
}

/* ── RESEARCH AREAS ── */
#research { background: var(--bg3); }

.research-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.research-item {
  display: flex; gap: 1.2rem; align-items: flex-start;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  transition: border-color 0.3s;
}
.research-item:hover { border-color: rgba(0,229,192,0.3); }

.research-icon {
  width: 36px; height: 36px; flex-shrink: 0;
  border: 1px solid var(--cyan-dim);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Space Mono', monospace; font-size: 0.65rem;
  color: var(--cyan); background: rgba(0,229,192,0.06);
}

.research-item h4 {
  font-family: 'DM Serif Display', serif; font-size: 1.05rem;
  margin-bottom: 0.3rem;
}
.research-item p { font-size: 0.85rem; color: var(--text-dim); line-height: 1.55; }

/* ── TEAM ── */
#team { background: var(--bg2); }

.team-header {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem;
  align-items: end; margin-bottom: 3.5rem;
}
.team-header p { color: var(--text-dim); font-size: 0.97rem; }

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--border);
  border: 1px solid var(--border); border-radius: 4px; overflow: hidden;
}

.team-card {
  background: var(--bg2); padding: 1.8rem 1.5rem;
  transition: background 0.2s;
}
.team-card:hover { background: rgba(0,229,192,0.04); }

.team-avatar {
  width: 52px; height: 52px;
  border-radius: 50%; background: var(--bg3);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-family: 'DM Serif Display', serif; font-size: 1.1rem;
  color: var(--cyan); margin-bottom: 1rem;
}
.team-card h4 { font-family: 'DM Serif Display', serif; font-size: 0.95rem; margin-bottom: 0.2rem; }
.team-card .role { font-size: 0.78rem; color: var(--cyan-dim); margin-bottom: 0.3rem; }
.team-card .inst { font-size: 0.75rem; color: var(--text-dim); font-family: 'Space Mono', monospace; }

/* ── PUBLICATIONS ── */
#publications { background: var(--bg3); }

.pub-grid {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 3rem;
}

.pub-card {
  background: var(--bg2);
  padding: 2rem 2.5rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: start;
  transition: background 0.25s;
  text-decoration: none;
  color: inherit;
}
.pub-card:hover { background: rgba(0,229,192,0.04); }

.pub-meta {
  display: flex; gap: 1.2rem; align-items: center;
  margin-bottom: 0.6rem;
}
.pub-journal {
  font-family: 'Space Mono', monospace; font-size: 0.65rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--cyan);
}
.pub-date {
  font-family: 'Space Mono', monospace; font-size: 0.65rem;
  color: var(--text-dim);
}
.pub-card h3 {
  font-family: 'DM Serif Display', serif;
  font-size: 1.05rem; line-height: 1.35;
  margin-bottom: 0.5rem;
}
.pub-card p {
  font-size: 0.85rem; color: var(--text-dim); line-height: 1.6;
}
.pub-arrow {
  font-family: 'Space Mono', monospace; font-size: 0.75rem;
  color: var(--cyan-dim); padding-top: 0.2rem;
  transition: color 0.2s, transform 0.2s;
  white-space: nowrap;
}
.pub-card:hover .pub-arrow { color: var(--cyan); transform: translateX(3px); }

/* ── COURSES ── */
#courses { background: var(--bg2); }

.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.course-card {
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2rem 1.8rem;
  background: var(--bg3);
  transition: border-color 0.3s, background 0.3s;
}
.course-card:hover {
  border-color: rgba(0,229,192,0.35);
  background: rgba(0,229,192,0.03);
}
.course-type {
  font-family: 'Space Mono', monospace; font-size: 0.62rem;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--amber); margin-bottom: 0.6rem; display: block;
}
.course-card h3 {
  font-family: 'DM Serif Display', serif; font-size: 1.05rem;
  line-height: 1.3; margin-bottom: 0.5rem;
}
.course-card p { font-size: 0.83rem; color: var(--text-dim); line-height: 1.55; }
.course-meta {
  margin-top: 1rem; padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-family: 'Space Mono', monospace; font-size: 0.65rem;
  color: var(--text-dim); display: flex; gap: 1.5rem;
}

/* ── MEDIA ── */
#media { background: var(--bg); }

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.media-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.3s, background 0.25s;
  display: flex;
  flex-direction: column;
}
.media-card:hover {
  border-color: rgba(0,229,192,0.3);
  background: rgba(0,229,192,0.04);
}
.media-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.media-card-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.media-card-body .media-outlet {
  margin-bottom: 0.6rem;
}
.media-card h4 {
  font-family: 'DM Serif Display', serif; font-size: 1rem;
  line-height: 1.3; margin-bottom: 0.5rem;
}
.media-card p { font-size: 0.82rem; color: var(--text-dim); line-height: 1.55; flex: 1; }
.media-outlet {
  font-family: 'Space Mono', monospace; font-size: 0.62rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--cyan);
}
.media-date {
  font-family: 'Space Mono', monospace; font-size: 0.62rem;
  color: var(--text-dim); margin-top: 0.8rem;
}

/* ── PARTNERS ── */
#partners { background: var(--bg); }

.partners-intro {
  display: grid; grid-template-columns: 1fr 2fr;
  gap: 4rem; align-items: start; margin-bottom: 3.5rem;
}
.partners-intro p { color: var(--text-dim); font-size: 0.97rem; }

/* ── LOGO GRID ── */
.logo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.logo-card {
  display: flex; flex-direction: column; align-items: center;
  gap: 0.5rem; text-align: center;
  padding: 1.8rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg2);
  transition: border-color 0.3s, background 0.3s;
}
.logo-card:hover {
  border-color: rgba(0,229,192,0.3);
  background: rgba(0,229,192,0.03);
}
.logo-badge {
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 0.4rem;
}
.logo-role {
  font-family: 'Space Mono', monospace;
  font-size: 0.6rem; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--amber);
}
.logo-city {
  font-size: 0.78rem; color: var(--text-dim);
}

/* ── COLLAB STRIP ── */
.collab-strip {
  background: rgba(0,229,192,0.04);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 2rem 4rem;
  display: flex; align-items: center; gap: 3rem;
  position: relative; z-index: 1;
}
.collab-strip .label {
  font-family: 'Space Mono', monospace; font-size: 0.65rem;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--cyan-dim);
  white-space: nowrap;
}
.collab-items {
  display: flex; gap: 2.5rem; align-items: center; flex-wrap: wrap;
}
.collab-item {
  font-family: 'Source Serif 4', serif; font-size: 0.88rem;
  color: var(--text-dim);
  padding: 0.3rem 0.8rem;
  border: 1px solid rgba(255,255,255,0.08); border-radius: 2px;
}

/* ── CONTACT ── */
#contact {
  background: var(--bg2);
}

.contact-inner { max-width: 600px; }
.contact-inner p { color: var(--text-dim); margin-top: 1rem; font-size: 0.97rem; }
.contact-email {
  display: inline-flex; align-items: center; gap: 1rem;
  margin-top: 2rem;
  font-family: 'Space Mono', monospace; font-size: 0.9rem;
  color: var(--cyan); text-decoration: none;
  border: 1px solid rgba(0,229,192,0.3);
  padding: 1rem 1.8rem; border-radius: 2px;
  transition: background 0.2s, box-shadow 0.3s;
}
.contact-email:hover { background: rgba(0,229,192,0.06); box-shadow: var(--glow); }

/* ── SECTION PREVIEW CARDS (landing page) ── */
.preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}
.preview-card {
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2rem 1.8rem;
  background: var(--bg2);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.3s, background 0.3s, transform 0.2s;
}
.preview-card:hover {
  border-color: rgba(0,229,192,0.4);
  background: rgba(0,229,192,0.04);
  transform: translateY(-2px);
}
.preview-card .preview-tag {
  font-family: 'Space Mono', monospace; font-size: 0.62rem;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--cyan); margin-bottom: 0.6rem; display: block;
}
.preview-card h3 {
  font-family: 'DM Serif Display', serif;
  font-size: 1.15rem; margin-bottom: 0.5rem;
}
.preview-card p {
  font-size: 0.85rem; color: var(--text-dim); line-height: 1.55;
}
.preview-card .preview-link {
  display: inline-block; margin-top: 1rem;
  font-family: 'Space Mono', monospace; font-size: 0.68rem;
  color: var(--cyan-dim); letter-spacing: 0.1em; text-transform: uppercase;
  transition: color 0.2s;
}
.preview-card:hover .preview-link { color: var(--cyan); }

/* ── FOOTER ── */
footer {
  position: relative; z-index: 1;
  border-top: 1px solid var(--border);
  padding: 2rem 4rem;
  display: flex; align-items: center; justify-content: space-between;
  background: var(--bg);
}
.footer-left {
  font-family: 'Space Mono', monospace; font-size: 0.65rem;
  color: var(--text-dim); letter-spacing: 0.06em;
}
.footer-right {
  display: flex; gap: 2rem; align-items: center;
}

/* ── EMPTY STATE ── */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-dim);
  font-size: 0.95rem;
  border: 1px dashed var(--border);
  border-radius: 4px;
  margin-top: 3rem;
}

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--cyan-dim); border-radius: 2px; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links, .nav-badge { display: none; }
  section { padding: 4rem 1.5rem; }
  #hero { padding: 7rem 1.5rem 3rem; }
  .page-header { padding: 6rem 1.5rem 3rem; }
  .about-grid, .platforms-intro, .partners-intro,
  .team-header, #contact, .research-grid { grid-template-columns: 1fr; gap: 2rem; }
  .platforms-grid, .team-grid { grid-template-columns: 1fr 1fr; }
  .logo-grid { grid-template-columns: 1fr 1fr; }
  .preview-grid { grid-template-columns: 1fr; }
  .media-grid { grid-template-columns: 1fr; }
  .courses-grid { grid-template-columns: 1fr; }
  .hero-stats { position: relative; bottom: auto; right: auto; margin-top: 3rem; justify-content: flex-start; }
  .collab-strip { padding: 1.5rem; flex-direction: column; align-items: flex-start; }
  footer { flex-direction: column; gap: 1rem; text-align: center; }
}