/* Dark theme variables */
:root { color-scheme: dark; }
:root {
  --bg: #0e1012;
  --text: #e9edf2;
  --muted: #b1bcc9;
  --card: rgba(255,255,255,0.06);
  --stroke: rgba(255,255,255,0.1);
  --hairline: rgba(255,255,255,0.08);
  --accent: #7bbcf6;
  --accent-3: #a5e3d1;
  --radius: 16px;
  --shadow: 0 20px 40px rgba(0,0,0,0.45);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  background: var(--bg);
  color: var(--text);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container { width: min(1120px, 92vw); margin-inline: auto; }

h1 { font-size: clamp(2.4rem, 7vw, 4.2rem); line-height: 1.05; letter-spacing: -0.02em; margin: 0.3rem 0 0.8rem; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); letter-spacing: -0.01em; margin: 0 0 0.6rem; }
h3 { font-size: 1.125rem; margin: 0 0 0.4rem; }
p { margin: 0.6rem 0; color: var(--muted); }
.small { font-size: 0.95rem; color: var(--muted); }
.sub { color: var(--muted); }
.dates { margin-left:8px; color:var(--muted); font-weight:600; font-size:.95em }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; backdrop-filter: saturate(140%) blur(14px); border-bottom: 1px solid var(--hairline); }
.site-header[data-glass] { background: linear-gradient(180deg, rgba(16,16,18,0.75), rgba(16,16,18,0.35)); }
.nav { display: flex; align-items: center; gap: 12px; padding: 16px 0; }
.brand { display:flex; align-items:center; gap:12px; color: var(--text); text-decoration: none; }
.brand img { display:block; width:44px; height:44px; border-radius:0; box-shadow:none; }
.menu { margin-left: auto; display:flex; gap: 22px; align-items:center; }
.menu a { text-decoration: none; color: var(--text); padding: 8px 10px; border-radius: 12px; border: 1px solid transparent; }
.menu a:hover { border-color: var(--stroke); background: var(--card); }

/* Hero */
.hero { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 32px; padding: clamp(40px, 8vw, 96px) 0 32px; }
.eyebrow { color: var(--accent); font-weight: 600; letter-spacing: 0.02em; text-transform: uppercase; font-size: 0.85rem; }
.lede { font-size: clamp(1rem, 2.3vw, 1.3rem); color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 12px 0 10px; }
.btn { display: inline-block; text-decoration: none; padding: 12px 16px; border-radius: 12px; border: 1px solid var(--stroke); color: var(--text); transition: transform 0.18s ease, background 0.18s ease; }
.btn:hover { transform: translateY(-2px); }
.btn.primary { background: var(--text); color: var(--bg); border-color: var(--text); }
.btn.ghost { background: transparent; }
.quick-meta { display: flex; gap: 20px; flex-wrap: wrap; padding: 0; margin: 6px 0 0; }
.quick-meta li { list-style: none; color: var(--muted); }
.quick-meta span { display: inline-block; min-width: 68px; font-weight: 600; color: var(--text); }

.hero-visual { display: grid; place-items: end center; }
.hero-photo { width: min(100%, 460px); aspect-ratio: 3/4; object-fit: cover; border-radius: 18px; border: 1px solid var(--stroke); box-shadow: var(--shadow); transform: translateY(6px); }

/* Sections */
.section-head { margin: 40px 0 16px; }
.section-head h2 { position: relative; padding-bottom: 10px; }
.section-head h2::after { content: ""; position: absolute; left: 0; bottom: 0; width: 72px; height: 2px; background: linear-gradient(90deg, var(--accent), transparent); }

[data-glass] { background: var(--card); border: 1px solid var(--stroke); border-radius: var(--radius); box-shadow: var(--shadow); }

.about-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.about-cards article { padding: 18px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; }
.tags li { list-style: none; border: 1px solid var(--stroke); padding: 6px 10px; border-radius: 999px; background: rgba(255,255,255,0.02); }

.skills-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.skill-card { padding: 18px; }

.timeline { display: grid; gap: 14px; }
.timeline-item { padding: 18px; }

.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.card { padding: 18px; }

.edu-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.edu-grid article { padding: 18px; }

.contact-card { padding: 18px; text-align: center; }
.contact-grid { display: grid; grid-template-columns: 1fr; justify-items: center; gap: 20px; }
.contact-actions { display:flex; justify-content: center; gap: 12px; }
.meta { padding: 0; margin: 0; }
.meta li { list-style: none; padding: 6px 0; border-bottom: 1px dashed var(--hairline); }
.meta { text-align: left; }

.site-footer { padding: 36px 0 60px; text-align: center; color: var(--muted); }
.legal { text-align: center; }

/* Responsive */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .about-cards { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .contact-grid, .edu-grid { grid-template-columns: 1fr; }
  .hero-visual { place-items: center; }
  .hero-photo { width: min(88vw, 520px); }
}
@media (max-width: 560px) {
  .skills-grid, .cards { grid-template-columns: 1fr; }
}