:root {
  --bg: #0b1020;
  --bg-soft: #121933;
  --panel: rgba(17, 24, 39, 0.76);
  --panel-border: rgba(255, 255, 255, 0.08);
  --text: #edf2ff;
  --muted: #b9c2df;
  --primary: #6ea8fe;
  --primary-strong: #8ab8ff;
  --accent: #71e5c6;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --radius: 22px;
  --container: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(110, 168, 254, 0.14), transparent 28%),
    radial-gradient(circle at top right, rgba(113, 229, 198, 0.12), transparent 25%),
    linear-gradient(180deg, #09101d 0%, #0b1020 55%, #0a1122 100%);
  line-height: 1.6;
}
.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.25), rgba(0,0,0,0.8));
  pointer-events: none;
}
img { max-width: 100%; display: block; }
.container { width: min(calc(100% - 2rem), var(--container)); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 1000; backdrop-filter: blur(18px);
  background: rgba(8, 13, 27, 0.7); border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.nav {
  display: flex; align-items: center; justify-content: space-between; min-height: 78px; gap: 1rem;
}
.brand, nav a, .site-footer a { color: var(--text); text-decoration: none; }
.brand { font-weight: 800; letter-spacing: -0.03em; }
nav { display: flex; align-items: center; gap: 1rem; }
nav a { color: var(--muted); font-weight: 500; }
nav a:hover, .site-footer a:hover { color: var(--primary-strong); }
.menu-toggle {
  display: none; background: transparent; border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--text); border-radius: 12px; padding: 0.6rem 0.75rem; font-size: 1rem;
}
.hero { padding: 5rem 0 3.5rem; }
.hero-grid {
  display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 2rem; align-items: center;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem; text-transform: uppercase;
  letter-spacing: 0.18em; font-size: 0.78rem; font-weight: 700; color: var(--accent); margin-bottom: 1rem;
}
h1, h2, h3 { margin-top: 0; line-height: 1.1; }
h1 { font-size: clamp(2.3rem, 5vw, 4.6rem); letter-spacing: -0.05em; margin-bottom: 1rem; }
h2 { font-size: clamp(1.7rem, 3vw, 2.5rem); letter-spacing: -0.04em; }
.lead { color: var(--muted); font-size: 1.08rem; max-width: 64ch; }
.hero-actions, .contact-actions {
  display: flex; flex-wrap: wrap; gap: 1rem; margin: 1.75rem 0;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; padding: 0.95rem 1.3rem;
  border-radius: 999px; text-decoration: none; font-weight: 700;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--primary), #8cb8ff); color: #041120;
  box-shadow: 0 12px 30px rgba(110, 168, 254, 0.25);
}
.btn-secondary {
  color: var(--text); border: 1px solid rgba(255, 255, 255, 0.16); background: rgba(255, 255, 255, 0.02);
}
.quick-info, .skill-card ul { padding-left: 1.2rem; }
.quick-info { display: grid; gap: 0.45rem; color: var(--muted); }
.card {
  background: var(--panel); border: 1px solid var(--panel-border); border-radius: var(--radius); box-shadow: var(--shadow);
}
.hero-card { overflow: hidden; }
.profile-photo { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
.hero-card-content { padding: 1.35rem 1.35rem 1.55rem; }
.hero-card-content h2 { font-size: 1.5rem; margin-bottom: 0.35rem; }
.hero-card-content p { color: var(--muted); margin: 0 0 1rem; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 0.55rem; }
.hero-tags span, .project-badge {
  display: inline-flex; align-items: center; border-radius: 999px; padding: 0.4rem 0.75rem; font-size: 0.84rem;
  font-weight: 700; color: #dff7ff; background: rgba(110, 168, 254, 0.14); border: 1px solid rgba(110, 168, 254, 0.2);
}
.section { padding: 2rem 0 1rem; }
.section-heading { margin-bottom: 1.25rem; }
.text-card, .contact-card, .timeline-item, .skill-card, .project-card { padding: 1.4rem; }
.skills-grid, .projects-grid {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem;
}
.skill-card h3, .project-card h3, .timeline-item h3 { margin-bottom: 0.7rem; }
.skill-card li, .project-card p, .timeline-item p, .text-card p, .contact-card p { color: var(--muted); }
.timeline { display: grid; gap: 1rem; }
.footer-content {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 2rem 0 3rem; color: var(--muted);
}
.reveal {
  opacity: 0; transform: translateY(22px); transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
@media (max-width: 900px) {
  .hero-grid, .skills-grid, .projects-grid { grid-template-columns: 1fr; }
  nav {
    position: absolute; top: calc(100% + 0.5rem); right: 1rem; background: rgba(12, 18, 35, 0.97);
    border: 1px solid rgba(255,255,255,0.08); border-radius: 18px; padding: 1rem; min-width: 220px;
    flex-direction: column; align-items: flex-start; box-shadow: var(--shadow); display: none;
  }
  nav.open { display: flex; }
  .menu-toggle { display: inline-flex; }
}
@media (max-width: 560px) {
  .hero { padding-top: 3.75rem; }
  .footer-content { flex-direction: column; align-items: flex-start; }
  .btn { width: 100%; }
}