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

:root {
  --bg: #0f0f0f;
  --bg2: #161616;
  --bg3: #1e1e1e;
  --text: #e8e8e8;
  --text2: #888;
  --text3: #555;
  --accent: #7c6fcd;
  --accent2: #9d93d8;
  --border: #2a2a2a;
  --radius: 8px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--accent2); text-decoration: none; }
a:hover { color: var(--text); }

nav {
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}
.nav-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}
.nav-logo {
  font-weight: 600;
  font-size: 18px;
  color: var(--accent2);
  letter-spacing: 1px;
}
.nav-links { display: flex; gap: 32px; }
.nav-links a { color: var(--text2); font-size: 14px; transition: color 0.15s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }

main { flex: 1; max-width: 900px; margin: 0 auto; padding: 0 24px; width: 100%; }

.hero { padding: 100px 0 80px; }
.eyebrow { font-size: 14px; color: var(--accent2); letter-spacing: 2px; margin-bottom: 12px; }
h1 { font-size: 52px; font-weight: 700; letter-spacing: -1px; margin-bottom: 16px; color: var(--text); }
.tagline { font-size: 18px; color: var(--text2); max-width: 500px; margin-bottom: 28px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 36px; }
.tag { background: var(--bg3); border: 1px solid var(--border); color: var(--text2); font-size: 12px; padding: 4px 12px; border-radius: 999px; }
.hero-actions { display: flex; gap: 12px; }
.btn-primary { background: var(--accent); color: #fff; padding: 10px 24px; border-radius: var(--radius); font-size: 14px; font-weight: 500; transition: background 0.15s; }
.btn-primary:hover { background: var(--accent2); color: #fff; }
.btn-secondary { border: 1px solid var(--border); color: var(--text2); padding: 10px 24px; border-radius: var(--radius); font-size: 14px; transition: all 0.15s; }
.btn-secondary:hover { border-color: var(--text2); color: var(--text); }

.about { padding: 0 0 80px; border-top: 1px solid var(--border); padding-top: 48px; }
.about h2 { font-size: 22px; margin-bottom: 16px; }
.about p { color: var(--text2); max-width: 600px; }

.page-header { padding: 60px 0 40px; border-bottom: 1px solid var(--border); margin-bottom: 48px; }
.page-header h1 { font-size: 40px; margin-bottom: 8px; }
.page-header p { color: var(--text2); }

.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; padding-bottom: 80px; }
.project-card { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; gap: 12px; transition: border-color 0.15s; }
.project-card:hover { border-color: var(--accent); }
.project-top { display: flex; justify-content: flex-end; }
.project-lang { font-size: 11px; color: var(--accent2); border: 1px solid var(--accent); padding: 2px 8px; border-radius: 999px; }
.project-card h3 { font-size: 17px; font-weight: 600; }
.project-card p { font-size: 14px; color: var(--text2); flex: 1; }
.project-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.project-link { font-size: 13px; color: var(--accent2); margin-top: 4px; }
.project-link:hover { color: var(--text); }

.lab-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; padding-bottom: 80px; }
.lab-card { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; gap: 12px; }
.lab-card h3 { font-size: 16px; font-weight: 600; }
.lab-card p { font-size: 14px; color: var(--text2); flex: 1; }

.contact-section { padding-bottom: 80px; }
.contact-card { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; max-width: 500px; }
.contact-row { display: flex; flex-direction: column; gap: 4px; padding: 16px 0; border-bottom: 1px solid var(--border); }
.contact-row:last-child { border-bottom: none; }
.contact-label { font-size: 11px; color: var(--text3); letter-spacing: 1px; text-transform: uppercase; }
.contact-value { font-size: 15px; color: var(--text); }

footer { border-top: 1px solid var(--border); padding: 24px; text-align: center; font-size: 13px; color: var(--text3); }