:root {
  --bg: #0a0e14;
  --bg-alt: #10151f;
  --bg-card: #131a26;
  --border: #202938;
  --text: #e6edf3;
  --text-dim: #8b98a5;
  --accent: #2dd4bf;
  --accent-2: #38bdf8;
  --mono: 'JetBrains Mono', monospace;
  --sans: 'Space Grotesk', sans-serif;
  --max-w: 1100px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(circle at 15% 10%, rgba(45,212,191,0.08), transparent 40%),
    radial-gradient(circle at 85% 30%, rgba(56,189,248,0.06), transparent 40%);
}

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

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,14,20,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 1.1rem;
  margin-right: auto;
}
.brand .dot { color: var(--accent); }
.nav-links {
  display: flex;
  gap: 28px;
}
.nav-links a {
  font-size: 0.92rem;
  color: var(--text-dim);
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.resume-btn {
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-family: var(--mono);
  color: var(--text);
  transition: border-color 0.2s, color 0.2s;
  white-space: nowrap;
}
.resume-btn:hover { border-color: var(--accent); color: var(--accent); }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.menu-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  display: block;
}

/* Hero */
.hero {
  position: relative;
  z-index: 1;
  min-height: 78vh;
  display: flex;
  align-items: center;
  padding: 40px 24px;
}
.hero-inner { max-width: var(--max-w); margin: 0 auto; width: 100%; }
.eyebrow {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 0.9rem;
  margin-bottom: 12px;
}
.hero h1 {
  font-size: clamp(2.6rem, 7vw, 5rem);
  margin: 0 0 8px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.role {
  font-size: clamp(1rem, 2.4vw, 1.35rem);
  color: var(--text-dim);
  margin: 0 0 24px;
  font-family: var(--mono);
}
.role .sep { color: var(--accent); margin: 0 6px; }
.lede {
  max-width: 640px;
  color: var(--text-dim);
  font-size: 1.05rem;
  margin-bottom: 32px;
}
.lede strong { color: var(--text); }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 28px; }
.btn {
  padding: 13px 28px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.95rem;
  transition: transform 0.15s, opacity 0.15s;
  display: inline-block;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--accent); color: #04211d; }
.btn-ghost { border: 1px solid var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); }
.hero-meta {
  display: flex;
  gap: 12px;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 0.85rem;
}

/* Sections */
.section {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 100px 24px;
  border-top: 1px solid var(--border);
}
.section-title {
  font-size: 1.8rem;
  margin: 0 0 40px;
  display: flex;
  align-items: baseline;
  gap: 14px;
}
.idx {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 1rem;
}
.section-body p {
  color: var(--text-dim);
  max-width: 720px;
  margin-bottom: 18px;
}

/* Skills */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  transition: border-color 0.2s;
}
.skill-card:hover { border-color: var(--accent); }
.skill-card h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
  color: var(--accent-2);
}
.skill-card p { margin: 0; color: var(--text-dim); font-size: 0.92rem; }

/* Timeline */
.timeline {
  position: relative;
  padding-left: 28px;
  border-left: 1px solid var(--border);
}
.timeline-item { position: relative; margin-bottom: 48px; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-marker {
  position: absolute;
  left: -33px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(45,212,191,0.15);
}
.timeline-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  margin-bottom: 12px;
}
.timeline-head h3 { margin: 0; font-size: 1.15rem; }
.timeline-date {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--text-dim);
}
.timeline-content ul { margin: 0; padding-left: 20px; color: var(--text-dim); }
.timeline-content li { margin-bottom: 8px; }
.timeline-content strong { color: var(--text); }

/* Projects */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 56px;
}
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 26px;
}
.project-card h3 { margin: 0 0 8px; font-size: 1.1rem; }
.project-card .stack {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent);
  margin: 0 0 14px;
}
.project-card p:not(.stack) { color: var(--text-dim); font-size: 0.92rem; margin: 0; }

.more-title { font-size: 1.1rem; color: var(--text-dim); margin-bottom: 20px; }
.repo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}
.repo-card {
  display: block;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
  transition: border-color 0.2s, transform 0.15s;
}
.repo-card:hover { border-color: var(--accent-2); transform: translateY(-2px); }
.repo-card h4 { margin: 0 0 6px; font-size: 0.95rem; font-family: var(--mono); }
.repo-card p { margin: 0 0 10px; color: var(--text-dim); font-size: 0.85rem; }
.repo-link { font-size: 0.78rem; color: var(--accent-2); }
.see-all { margin-top: 24px; }
.see-all a { color: var(--accent); font-family: var(--mono); font-size: 0.9rem; }

/* Education */
.edu-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  max-width: 640px;
}
.edu-card h3 { margin: 0 0 8px; }
.edu-meta { font-family: var(--mono); font-size: 0.85rem; color: var(--accent-2); margin-bottom: 14px; }
.edu-card p:last-child { color: var(--text-dim); margin: 0; }

/* Contact */
.contact-body p { color: var(--text-dim); margin-bottom: 24px; }
.contact-links { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; }
.contact-link {
  font-family: var(--mono);
  font-size: 1rem;
  padding: 10px 0;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}
.contact-link:hover { color: var(--accent); border-color: var(--accent); }

/* Footer */
.footer {
  text-align: center;
  padding: 32px 24px;
  color: var(--text-dim);
  font-size: 0.82rem;
  border-top: 1px solid var(--border);
}

/* Responsive */
@media (max-width: 720px) {
  .nav-links { display: none; }
  .menu-toggle { display: flex; }
  .resume-btn { display: none; }
  .nav.open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-alt);
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    gap: 16px;
  }
  .section { padding: 64px 20px; }
  .hero { min-height: auto; padding: 64px 20px 40px; }
}