:root {
  --bg: #08111f;
  --panel: #0e1b2d;
  --panel-2: #12233a;
  --text: #f3f7fb;
  --muted: #a8b7c9;
  --accent: #63d7c7;
  --accent-2: #8db6ff;
  --warm: #d9c79c;
  --border: rgba(255,255,255,.11);
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 86px; }
body {
  margin: 0;
  font-family: "DM Sans", system-ui, sans-serif;
  background:
    radial-gradient(circle at 8% 3%, rgba(99,215,199,.10), transparent 30rem),
    radial-gradient(circle at 88% 20%, rgba(141,182,255,.10), transparent 34rem),
    var(--bg);
  color: var(--text);
  line-height: 1.65;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  width: min(calc(100% - 36px), var(--max));
  margin: 0 auto;
  padding: 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(8,17,31,.78);
  backdrop-filter: blur(14px);
}

.brand {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
  font-family: "Manrope", sans-serif;
  font-weight: 800;
  letter-spacing: -.04em;
}

nav { display: flex; gap: 28px; }
nav a { color: var(--muted); font-size: .92rem; font-weight: 700; }

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

.hero {
  min-height: 86vh;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, .75fr);
  gap: 70px;
  align-items: center;
}

.eyebrow, .section-label, .panel-kicker {
  color: var(--accent);
  font-weight: 800;
  letter-spacing: .15em;
  text-transform: uppercase;
  font-size: .73rem;
}

h1, h2, h3 { font-family: "Manrope", sans-serif; line-height: 1.08; margin-top: 0; }
h1 { font-size: clamp(3.6rem, 8vw, 7.6rem); margin-bottom: 12px; letter-spacing: -.065em; }
.hero h2 { max-width: 820px; font-size: clamp(1.7rem, 3.25vw, 3.35rem); color: #c3ceda; margin-bottom: 26px; letter-spacing: -.04em; }
.section h2 { font-size: clamp(2.25rem, 4vw, 4.2rem); letter-spacing: -.045em; }

.hero-text, .section-copy p, .publication-intro > p, .contact-section > p, .section-note {
  color: var(--muted);
  max-width: 760px;
  font-size: 1.07rem;
}

.status-card {
  margin-top: 28px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  max-width: 780px;
  padding: 15px 17px;
  border: 1px solid rgba(99,215,199,.24);
  border-radius: 14px;
  background: rgba(99,215,199,.055);
}
.status-card p { margin: 0; color: #cad5df; font-size: .95rem; }
.status-dot { flex: 0 0 auto; width: 9px; height: 9px; margin-top: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 6px rgba(99,215,199,.10); }

.hero-actions { display: flex; align-items: center; gap: 13px; margin-top: 30px; flex-wrap: wrap; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 11px;
  border: 1px solid var(--border);
  font-weight: 800;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-2px); color: var(--text); }
.primary { background: linear-gradient(135deg, #52cbbb, #6fa5f4); border-color: transparent; color: #07101b; }
.primary:hover { color: #07101b; }
.secondary { background: rgba(255,255,255,.035); }
.text-link { color: var(--accent); font-weight: 800; margin-left: 5px; }

.hero-panel {
  border: 1px solid var(--border);
  border-radius: 24px;
  background: linear-gradient(155deg, rgba(18,35,58,.92), rgba(9,19,33,.75));
  box-shadow: 0 30px 80px rgba(0,0,0,.22);
  overflow: hidden;
}
.panel-kicker { display: block; margin: 26px 26px 12px; }
.metric { display: grid; grid-template-columns: 90px 1fr; gap: 18px; align-items: center; padding: 21px 26px; border-top: 1px solid var(--border); }
.metric strong { font-family: "Manrope", sans-serif; font-size: 2.2rem; letter-spacing: -.05em; color: var(--text); }
.metric span { color: var(--muted); font-size: .93rem; }
.focus-list { padding: 22px 26px 28px; display: flex; flex-wrap: wrap; gap: 8px; border-top: 1px solid var(--border); }
.focus-list span, .project-meta span {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: #bdc9d6;
  background: rgba(255,255,255,.025);
  font-size: .78rem;
}

.intro-section {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 72px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-copy p:first-child { margin-top: 0; }

.section-heading-row { display: flex; justify-content: space-between; align-items: end; gap: 30px; }
.section-note { max-width: 360px; text-align: right; margin: 0 0 12px; }

.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 38px; }
.project-card {
  min-height: 330px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: 19px;
  background: linear-gradient(180deg, var(--panel), rgba(14,27,45,.7));
  transition: transform .22s ease, border-color .22s ease;
}
.project-card:hover { transform: translateY(-5px); border-color: rgba(99,215,199,.36); }
.project-card.featured { background: linear-gradient(150deg, rgba(99,215,199,.10), rgba(14,27,45,.9)); }
.project-number { color: var(--accent-2); font-weight: 800; font-size: .78rem; margin-bottom: 34px; }
.project-card h3 { font-size: 1.35rem; margin-bottom: 12px; }
.project-card p { color: var(--muted); flex: 1; font-size: .94rem; }
.project-meta { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 20px; }

.publication-section { display: grid; grid-template-columns: .75fr 1.25fr; gap: 70px; border-top: 1px solid var(--border); }
.publication-intro { position: sticky; top: 120px; align-self: start; }
.publication-list { border-top: 1px solid var(--border); }
.publication-list article { display: grid; grid-template-columns: 70px 1fr; gap: 20px; padding: 26px 0; border-bottom: 1px solid var(--border); }
.publication-list h3 { margin-bottom: 8px; font-size: 1.05rem; line-height: 1.45; }
.publication-list p { color: var(--muted); margin: 0; font-size: .9rem; }
.pub-year { color: var(--accent); font-weight: 800; font-size: .84rem; }
.small-note { color: var(--muted); grid-column: 2; font-size: .86rem; margin-top: -46px; }

.timeline { margin-top: 38px; border-top: 1px solid var(--border); }
.timeline-item { display: grid; grid-template-columns: 190px 1fr; gap: 35px; padding: 28px 0; border-bottom: 1px solid var(--border); }
.timeline-date { color: var(--accent); font-weight: 800; }
.timeline-item h3 { margin-bottom: 8px; font-size: 1.2rem; }
.timeline-item p { color: var(--muted); margin: 0; max-width: 800px; }

.capabilities-section, .recognition-section { border-top: 1px solid var(--border); display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; }
.capability-grid, .recognition-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.capability-grid article, .recognition-grid article { padding: 24px; border: 1px solid var(--border); border-radius: 16px; background: rgba(255,255,255,.025); }
.capability-grid h3 { font-size: 1rem; margin-bottom: 10px; }
.capability-grid p, .recognition-grid p { margin: 0; color: var(--muted); font-size: .91rem; }
.recognition-grid strong { display: block; font-family: "Manrope", sans-serif; margin-bottom: 8px; }

.contact-section { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); text-align: center; }
.contact-section h2 { max-width: 850px; margin-left: auto; margin-right: auto; }
.contact-section > p { margin: 0 auto 28px; }
.contact-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.contact-section .link-note { margin-top: 24px; font-size: .83rem; }

footer { width: min(calc(100% - 36px), var(--max)); margin: 0 auto; padding: 32px 0 50px; text-align: center; color: var(--muted); font-size: .85rem; }

@media (max-width: 920px) {
  .hero { grid-template-columns: 1fr; padding-top: 70px; }
  .hero-panel { max-width: 680px; }
  .project-grid { grid-template-columns: 1fr 1fr; }
  .publication-section, .capabilities-section, .recognition-section, .intro-section { grid-template-columns: 1fr; gap: 35px; }
  .publication-intro { position: static; }
  .small-note { grid-column: 1; margin-top: -35px; }
}

@media (max-width: 650px) {
  nav { gap: 14px; }
  nav a:nth-child(2), nav a:nth-child(3) { display: none; }
  .section { padding: 76px 0; }
  h1 { font-size: clamp(3.25rem, 16vw, 5rem); }
  .project-grid, .capability-grid, .recognition-grid { grid-template-columns: 1fr; }
  .section-heading-row { align-items: flex-start; flex-direction: column; }
  .section-note { text-align: left; }
  .timeline-item { grid-template-columns: 1fr; gap: 8px; }
  .publication-list article { grid-template-columns: 1fr; gap: 5px; }
  .hero-actions { align-items: stretch; }
  .hero-actions .button { flex: 1 1 170px; }
  .text-link { width: 100%; margin: 8px 0 0; }
}