/* Minimal, modern, responsive styles */
:root{
  --bg: #0b0c0e;
  --text: #e6e6e6;
  --muted: #a3a3a3;
  --card: #15171a;
  --accent: #6ee7b7;
  --accent-2: #60a5fa;
  --border: #23272e;
}
:root.light {
  --bg: #ffffff;
  --text: #0b0c0e;
  --muted: #4b5563;
  --card: #f8fafc;
  --accent: #0ea5e9;
  --accent-2: #16a34a;
  --border: #e5e7eb;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container { max-width: 1000px; margin: 0 auto; padding: 64px 20px; }

.site-header {
  position: sticky; top:0; z-index: 50; backdrop-filter: saturate(120%) blur(6px);
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  border-bottom: 1px solid var(--border);
}
.nav { display:flex; align-items:center; gap:16px; max-width:1000px; margin:0 auto; padding:12px 20px; }
.logo { font-weight: 800; font-size: 18px; letter-spacing: 2px; color: var(--text); text-decoration: none; }
.nav-menu { list-style:none; margin:0; margin-left:auto; padding:0; display:flex; gap:16px; align-items:center; }
.nav-menu a { color: var(--text); text-decoration:none; opacity:.9; }
.nav-menu a:hover { opacity:1; }
.nav-toggle { display:none; margin-left:auto; background:none; border:1px solid var(--border); color:var(--text); padding:6px 10px; border-radius:8px; }

.hero { display:grid; place-items:center; text-align:center; padding:80px 20px; }
.hero-inner { max-width:800px; }
.avatar { width:104px; height:104px; border-radius:50%; border:2px solid var(--border); object-fit:cover; }
h1{ font-size: clamp(32px, 6vw, 48px); margin: 16px 0 8px; }
h2{ font-size: clamp(24px, 4vw, 32px); margin: 0 0 16px; }
h3{ margin: 0 0 8px; }
.title { color: var(--muted); margin: 0 0 8px; }
.tagline { font-size: 1.1rem; color: var(--text); opacity:.9; }

.meta { display:flex; gap:8px; justify-content:center; align-items:center; color:var(--muted); margin-top:12px; flex-wrap:wrap; }
.btn { background: linear-gradient(90deg, var(--accent), var(--accent-2)); color:#0b0c0e; border:none; padding:10px 16px; border-radius:12px; font-weight:700; cursor:pointer; text-decoration:none; display:inline-block; }
.btn.ghost { background: transparent; color: var(--text); border:1px solid var(--border); }
.btn.small { padding:6px 10px; font-size:.9rem; }

.highlights { display:grid; grid-template-columns: 1fr; gap:8px; padding-left:18px; color: var(--muted); }
.xp { display:grid; gap:18px; }
.xp-item { background: var(--card); border:1px solid var(--border); padding:20px; border-radius:16px; }
.xp-meta { display:flex; justify-content:space-between; align-items:baseline; gap:8px; flex-wrap:wrap; }

.cards { display:grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap:16px; }
.card { background: var(--card); border:1px solid var(--border); padding:20px; border-radius:16px; }
.tags { display:flex; gap:8px; list-style:none; padding:0; margin:12px 0 0; flex-wrap:wrap; }
.tags li { padding:4px 8px; border:1px solid var(--border); border-radius:999px; color: var(--muted); font-size:.85rem; }

.contact-form { display:grid; gap:12px; max-width:560px; }
.contact-form label { display:grid; gap:6px; text-align:left; }
.contact-form input, .contact-form textarea {
  width:100%; padding:10px 12px; border-radius:12px; border:1px solid var(--border); background: var(--card); color:var(--text);
}
.contact-form button { justify-self: start; }

.site-footer { border-top:1px solid var(--border); padding:24px 20px; text-align:center; color: var(--muted); }

/* Responsive */
@media (max-width: 760px){
  .nav-toggle { display:block; }
  .nav-menu { display:none; flex-direction:column; align-items:flex-start; padding:10px 0; }
  .nav-menu.open { display:flex; }
}