:root {
  --bg: #0b0f17;
  --panel: #111827;
  --card: #0f172a;
  --accent: #3b82f6;
  --accent-2: #22d3ee;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --border: #1f2937;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --radius: 14px;
  --grid: minmax(240px, 1fr);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at 20% 20%, rgba(34, 211, 238, 0.08), transparent 25%),
              radial-gradient(circle at 80% 0%, rgba(59, 130, 246, 0.08), transparent 25%),
              var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.page { max-width: 1200px; margin: 0 auto; padding: 32px 20px 80px; }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: sticky;
  top: 16px;
  z-index: 10;
  backdrop-filter: blur(12px);
}

.logo { font-weight: 700; letter-spacing: 0.5px; }

.nav-links { display: flex; gap: 14px; font-size: 14px; }
.nav a { padding: 8px 10px; border-radius: 10px; transition: background 0.2s, color 0.2s; }
.nav a:hover { background: rgba(59, 130, 246, 0.12); color: var(--accent); }
.nav a.active { background: rgba(59, 130, 246, 0.16); color: var(--accent); box-shadow: 0 10px 28px rgba(59, 130, 246, 0.18); }

.cta { padding: 10px 14px; background: linear-gradient(120deg, var(--accent), var(--accent-2)); color: #0b0f17; border-radius: 12px; font-weight: 600; }

.hero { padding-top: 24px; }
.hero-grid { display: grid; gap: 28px; grid-template-columns: 2fr 1fr; align-items: center; }
.hero { scroll-margin-top: 96px; }
.about-list { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 6px; color: var(--muted); font-size: 14px; }
.about-list span { color: var(--accent-2); font-weight: 600; margin-right: 6px; }

.hidden { display: none; }

.eyebrow { color: var(--accent-2); text-transform: uppercase; letter-spacing: 1px; font-size: 12px; margin: 0 0 8px; }

h1 { font-size: clamp(28px, 4.5vw, 36px); margin: 0 0 12px; }
h2 { font-size: clamp(18px, 3.2vw, 26px); margin: 0 0 8px; }
h3 { margin: 0 0 8px; }

.lede { color: var(--muted); margin: 0 0 20px; }

.metrics { display: none; }

.hero-actions { display: flex; gap: 12px; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 16px; border-radius: 12px; font-weight: 600; border: 1px solid var(--border); transition: transform 0.15s, background 0.2s; }
.btn:hover { transform: translateY(-1px); }
.btn.primary { background: linear-gradient(120deg, var(--accent), var(--accent-2)); color: #0b0f17; border: none; }
.btn.ghost { background: transparent; color: var(--text); }
.btn.outline { background: transparent; color: var(--accent); border-color: rgba(59, 130, 246, 0.6); }

.hero-card { background: linear-gradient(145deg, rgba(17, 24, 39, 0.9), rgba(15, 23, 42, 0.7)); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.avatar { width: 100%; max-width: 220px; aspect-ratio: 1; border-radius: 18px; border: 1px solid var(--border); margin: 0 auto 14px; object-fit: cover; box-shadow: 0 12px 40px rgba(34, 211, 238, 0.2); }
.card-title { font-weight: 700; margin-bottom: 10px; }
.stack-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.stack-list li { padding: 12px; border: 1px solid var(--border); border-radius: 10px; background: rgba(255, 255, 255, 0.02); display: flex; justify-content: space-between; gap: 10px; }
.stack-list span { font-weight: 600; }
.stack-list em { color: var(--muted); font-style: normal; font-size: 12px; }

.section { margin-top: 64px; padding: 24px; border: 1px solid var(--border); border-radius: var(--radius); background: rgba(15, 23, 42, 0.6); box-shadow: var(--shadow); scroll-margin-top: 96px; }
.section-header { margin-bottom: 12px; }
.section-text { color: var(--muted); margin: 0; }

.cards .grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.card ul { padding-left: 18px; color: var(--muted); margin: 0; }
.card li { margin-bottom: 8px; }

.project-list { display: grid; gap: 16px; }
.project-card { border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; background: rgba(17, 24, 39, 0.75); box-shadow: var(--shadow); }
.project-card header { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.tag { padding: 6px 10px; border-radius: 20px; background: rgba(59, 130, 246, 0.15); color: var(--accent); font-size: 12px; }
.bullets { margin: 10px 0 0; padding-left: 18px; color: var(--muted); }

.timeline-list { display: grid; gap: 14px; }
.timeline-item { display: grid; gap: 6px; grid-template-columns: 160px 1fr; align-items: start; border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; background: rgba(15, 23, 42, 0.7); }
.timeline-date { color: var(--muted); font-size: 13px; }

.education-cards { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }

.contact { text-align: center; }
.contact-actions { display: flex; justify-content: center; gap: 12px; margin-top: 12px; }

.footer { margin-top: 48px; text-align: center; color: var(--muted); font-size: 13px; padding: 16px 0; border-top: 1px solid var(--border); }

.fade-in { opacity: 0; transform: translateY(12px); transition: opacity 0.35s ease, transform 0.35s ease; }
.fade-in.show { opacity: 1; transform: translateY(0); }

.btn:active { transform: translateY(0); }



@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .nav { position: static; flex-wrap: wrap; gap: 10px; }
  .nav-links { flex-wrap: wrap; justify-content: center; }
  .timeline-item { grid-template-columns: 1fr; }
}