:root {
  --bg: #0f172a;
  --panel: rgba(15, 23, 42, 0.72);
  --line: rgba(148, 163, 184, 0.25);
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-2: #a78bfa;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 15% 10%, #1d4ed8 0%, transparent 35%),
    radial-gradient(circle at 80% 20%, #7c3aed 0%, transparent 40%),
    var(--bg);
  line-height: 1.6;
}

.background-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(56, 189, 248, 0.08), transparent 20%);
}

.hero,
main,
footer {
  width: min(1050px, 92%);
  margin: 0 auto;
}

.hero {
  padding: 2rem 0 1.5rem;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  font-weight: 800;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.94rem;
  transition: color 0.2s ease;
}

.nav a:hover,
.nav a.active {
  color: var(--accent);
}

.hero-content {
  margin-top: 2rem;
  display: grid;
  gap: 1.8rem;
  grid-template-columns: 180px 1fr;
  align-items: center;
  padding: 2rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  backdrop-filter: blur(8px);
}

.profile-image {
  width: 180px;
  height: 180px;
  object-fit: cover;
  border-radius: 20px;
  border: 2px solid rgba(56, 189, 248, 0.45);
}

.eyebrow {
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  margin-bottom: 0.35rem;
}

h1,
h2,
h3 {
  margin: 0;
}

h1 {
  font-size: clamp(2rem, 5vw, 2.8rem);
  line-height: 1.12;
}

.lead {
  color: var(--muted);
  max-width: 60ch;
}

.hero-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.btn {
  text-decoration: none;
  padding: 0.65rem 1rem;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.92rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #0ea5e9);
  color: #04131f;
}

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

.address {
  color: var(--muted);
  margin-top: 0.8rem;
}

main {
  display: grid;
  gap: 1rem;
  padding: 0.5rem 0 2rem;
}

.card {
  padding: 1.5rem;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.card h2 {
  font-size: 1.35rem;
  margin-bottom: 0.8rem;
}

.timeline,
.grid,
.references {
  display: grid;
  gap: 1rem;
}

.meta {
  color: var(--accent);
  font-weight: 500;
}

.project,
.references article,
.timeline article {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem;
  background: rgba(15, 23, 42, 0.6);
}

.references a,
footer a {
  color: #7dd3fc;
  text-decoration: none;
}

footer {
  padding: 0.5rem 0 2rem;
  color: var(--muted);
  text-align: center;
}

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 760px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    justify-items: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .nav {
    justify-content: center;
  }
}