:root {
  --bg: #0c0f14;
  --panel: #131923;
  --panel-2: #1a2230;
  --text: #eef2f7;
  --muted: #a8b2c3;
  --border: rgba(255, 255, 255, 0.08);
  --accent: #7cc4ff;
  --accent-2: #b5f0d0;
  --max: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  background: radial-gradient(circle at top, #162131 0, var(--bg) 48%);
  color: var(--text);
  line-height: 1.65;
}

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

.shell {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  padding-bottom: 80px;
}

.shell-narrow {
  max-width: 840px;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  padding: 16px max(22px, calc((100vw - var(--max)) / 2 + 20px));
  position: sticky;
  top: 0;
  backdrop-filter: blur(14px);
  background: rgba(11, 16, 24, 0.82);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  z-index: 10;
}

.site-header nav {
  display: flex;
  gap: 20px;
}

.wordmark,
.site-header nav a {
  color: var(--text);
  font-weight: 600;
}

.hero {
  padding: 92px 0 54px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent-2);
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.1;
}

h1 {
  font-size: clamp(2.7rem, 8vw, 5.2rem);
  letter-spacing: -0.04em;
}

h2 {
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  letter-spacing: -0.03em;
}

h3 {
  font-size: 1.1rem;
}

.headline {
  max-width: 820px;
  margin: 18px 0 0;
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  color: var(--muted);
}

.intro {
  max-width: 760px;
  margin-top: 28px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
}

.section {
  padding: 54px 0 10px;
}

.section-heading {
  margin-bottom: 24px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.card {
  padding: 22px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border-radius: 20px;
}

.card p {
  margin: 12px 0 0;
  color: var(--muted);
}

.card-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 16px;
}

.compact-card p {
  margin-top: 8px;
}

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

.publication {
  padding: 18px 0;
  border-top: 1px solid var(--border);
}

.publication h3 {
  margin: 0;
}

.publication-meta {
  margin: 8px 0 0;
  color: var(--muted);
}

.timeline {
  display: grid;
  gap: 16px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 20px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
}

.timeline-meta {
  color: var(--muted);
  font-size: 0.95rem;
}

.timeline-org {
  margin-top: 6px;
  font-weight: 600;
  color: var(--accent-2);
}

.timeline p {
  margin: 10px 0 0;
  color: var(--muted);
}

.cv .section:first-child {
  padding-top: 84px;
}

@media (max-width: 760px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    width: 100%;
    margin-left: 0;
    padding: 14px 20px;
  }

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

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}