:root {
  --bg: #0f172a;
  --panel: #111827;
  --panel-light: #1f2937;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-dark: #0284c7;
  --border: rgba(255, 255, 255, 0.1);
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #1e293b 0%, var(--bg) 45%);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  min-height: 90vh;
  padding: 28px;
}

.nav {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-weight: 800;
  letter-spacing: -0.03em;
}

.nav-links {
  display: flex;
  gap: 24px;
  color: var(--muted);
}

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

.hero {
  max-width: var(--max-width);
  margin: 120px auto 0;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 16px;
}

.hero h1 {
  max-width: 900px;
  font-size: clamp(2.7rem, 7vw, 5.8rem);
  line-height: 0.95;
  letter-spacing: -0.07em;
  margin-bottom: 28px;
}

.hero-text {
  max-width: 720px;
  color: var(--muted);
  font-size: 1.25rem;
}

.hero-actions {
  margin-top: 36px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  padding: 13px 20px;
  border-radius: 999px;
  font-weight: 700;
  transition: 0.2s ease;
}

.btn.primary {
  background: var(--accent);
  color: #020617;
}

.btn.primary:hover {
  background: #7dd3fc;
}

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

.btn.secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 90px 28px;
}

.section-heading {
  margin-bottom: 36px;
}

.section-heading h2,
.contact h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: -0.05em;
}

.stats-grid,
.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.stat-card,
.project-card {
  background: linear-gradient(180deg, var(--panel-light), var(--panel));
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

.stat-card h3 {
  color: var(--accent);
  font-size: 2rem;
  margin-bottom: 10px;
}

.stat-card p,
.project-card p,
.contact p,
footer p {
  color: var(--muted);
}

.project-grid {
  grid-template-columns: repeat(2, 1fr);
}

.project-card h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.tags span,
.skills-grid span {
  background: rgba(56, 189, 248, 0.1);
  color: #bae6fd;
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 0.88rem;
}

.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.contact {
  text-align: center;
}

.contact p {
  max-width: 620px;
  margin: 0 auto 28px;
}

.contact-links {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.contact-links a {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 16px;
  color: var(--text);
}

.contact-links a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

footer {
  border-top: 1px solid var(--border);
  padding: 28px;
  text-align: center;
}

@media (max-width: 800px) {
  .site-header {
    min-height: auto;
  }

  .nav {
    align-items: flex-start;
    gap: 18px;
    flex-direction: column;
  }

  .nav-links {
    gap: 14px;
    flex-wrap: wrap;
  }

  .hero {
    margin-top: 80px;
  }

  .stats-grid,
  .project-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 64px 22px;
  }
}