:root {
  --bg: #f7f7fb;
  --surface: #ffffff;
  --text: #1f2430;
  --muted: #5c6475;
  --brand: #5c3b9e;
  --brand-soft: #eee9fb;
  --accent: #d9a441;
  --border: #e5e7ef;
  --shadow: 0 10px 30px rgba(31, 36, 48, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

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

a:hover {
  text-decoration: underline;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}

.nav {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0.9rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.2px;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1rem;
}

.nav-links a {
  font-weight: 600;
  color: var(--muted);
}

.nav-links a.active {
  color: var(--brand);
}

main {
  max-width: 1100px;
  margin: 2rem auto 3rem;
  padding: 0 1rem;
}

.hero {
  background: linear-gradient(145deg, #fff, #f2f3fb);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 2rem;
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 1.5rem;
  align-items: center;
}

.hero img {
  width: 180px;
  height: 180px;
  object-fit: cover;
  border-radius: 16px;
  border: 3px solid var(--brand-soft);
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.25;
}

h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 0.4rem;
}

.subtitle {
  color: var(--muted);
  font-size: 1.05rem;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1rem 0;
}

.badge {
  background: var(--brand-soft);
  color: #402877;
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  font-size: 0.86rem;
  font-weight: 600;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.btn {
  display: inline-block;
  padding: 0.65rem 1rem;
  border-radius: 10px;
  font-weight: 700;
  transition: transform 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

.btn-primary {
  background: var(--brand);
  color: #fff;
}

.btn-secondary {
  border: 1px solid var(--border);
  color: var(--text);
  background: #fff;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1.4rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.1rem 1rem;
}

.section-title {
  margin-bottom: 1rem;
  font-size: 1.6rem;
}

.timeline {
  display: grid;
  gap: 0.85rem;
}

.timeline-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem;
}

.timeline-item h3 {
  margin-bottom: 0.35rem;
  font-size: 1.05rem;
}

.meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.2px;
  text-transform: uppercase;
}

.timeline-item p {
  margin: 0.6rem 0 0;
}

.split-section {
  margin-top: 2rem;
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.pill {
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  font-weight: 600;
  color: #2e3442;
}

.links-list {
  margin: 0.6rem 0 0;
  padding-left: 1.1rem;
}

.links-list li {
  margin: 0.35rem 0;
}

.essay {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.2rem;
}

.essay p {
  margin: 0 0 1rem;
}

.refs {
  padding-left: 1.1rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  text-align: center;
  padding: 1.1rem;
  font-size: 0.92rem;
}

@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero img {
    margin: 0 auto;
  }

  .badge-row,
  .btn-row {
    justify-content: center;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }
}