:root {
  --bg: #0f1115;
  --bg-alt: #151923;
  --fg: #e6e9ef;
  --muted: #9aa3b2;
  --accent: #4f8cff;
  --accent-soft: rgba(79, 140, 255, 0.12);
  --card: #1a1f2a;
  --border: #262c38;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
}
.container { max-width: 960px; margin: 0 auto; padding: 0 24px; }
a { color: var(--accent); text-decoration: none; }

.nav { position: sticky; top: 0; z-index: 10; background: rgba(15,17,21,0.85); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-size: 1.4rem; font-weight: 800; color: var(--fg); }
.logo-dot { color: var(--accent); }
.nav-links { display: flex; gap: 24px; }
.nav-links a { color: var(--muted); font-size: 0.95rem; }
.nav-links a:hover { color: var(--fg); }

.hero { padding: 120px 0 90px; text-align: center; }
.hero-eyebrow { color: var(--accent); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.85rem; }
.hero-title { font-size: 3.4rem; font-weight: 800; margin: 14px 0 10px; line-height: 1.1; }
.hero-subtitle { color: var(--muted); font-size: 1.15rem; max-width: 560px; margin: 0 auto 32px; }
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.btn { display: inline-block; padding: 12px 26px; border-radius: 10px; font-weight: 600; transition: transform 0.15s ease, box-shadow 0.15s ease; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(79,140,255,0.35); }
.btn-ghost { border: 1px solid var(--border); color: var(--fg); }
.btn-ghost:hover { border-color: var(--accent); }

.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.section-title { font-size: 2rem; font-weight: 700; margin-bottom: 18px; }
.section-text { color: var(--muted); max-width: 640px; }

.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-top: 24px; }
.skill-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 22px; font-weight: 600; }
.skill-card:hover { border-color: var(--accent); }

.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; margin-top: 24px; }
.project-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 24px; }
.project-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.project-card p { color: var(--muted); font-size: 0.95rem; }
.project-tag { display: inline-block; margin-top: 12px; color: var(--accent); background: var(--accent-soft); border-radius: 999px; padding: 4px 12px; font-size: 0.8rem; }

.contact-links { margin-top: 24px; }

.footer { border-top: 1px solid var(--border); padding: 28px 0; text-align: center; color: var(--muted); font-size: 0.9rem; }

@media (max-width: 600px) {
  .hero { padding: 80px 0 60px; }
  .hero-title { font-size: 2.4rem; }
  .nav-links { gap: 16px; }
  .nav-links a { font-size: 0.85rem; }
}