:root {
  --bg: #0d0d13;
  --bg-alt: #15151f;
  --card: #1c1c28;
  --border: #2a2a3a;
  --text: #e8e6f2;
  --muted: #9a98b3;
  --accent: #9d7bff;
  --accent-2: #7bb2ff;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

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

.muted { color: var(--muted); }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(13, 13, 19, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.brand { font-weight: 700; font-size: 1.1rem; color: var(--text); }

.nav-links a { margin-left: 20px; color: var(--muted); }
.nav-links a:hover { color: var(--text); text-decoration: none; }

/* Hero */
.hero {
  padding: 64px 0 40px;
  text-align: center;
}

.ascii {
  color: var(--accent);
  font-size: 12px;
  line-height: 1.2;
  overflow: hidden;
}

.ascii pre { font-family: monospace; }

.hero-avatar {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 3px solid var(--accent);
  margin-top: 16px;
}

.hero-title { font-size: 2.4rem; margin: 16px 0 8px; }
.hero-subtitle { color: var(--muted); font-size: 1.1rem; margin-bottom: 24px; }

.btn {
  display: inline-block;
  padding: 10px 22px;
  border-radius: 8px;
  background: var(--accent);
  color: #0d0d13;
  font-weight: 600;
}

.btn:hover { background: var(--accent-2); text-decoration: none; }

.btn-ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}
.btn-ghost:hover { background: rgba(157, 123, 255, 0.1); }

.qr-block {
  margin-top: 28px;
  text-align: center;
}

.qr-code {
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #fff;
  padding: 8px;
}

/* Sections */
.section { padding: 56px 0; }
.section.alt { background: var(--bg-alt); border-block: 1px solid var(--border); }

.section h2 { font-size: 1.8rem; margin-bottom: 16px; }
.section h3 { font-size: 1.2rem; margin: 28px 0 12px; }

.about-list { list-style: none; margin: 16px 0; }
.about-list li { padding: 4px 0; }

.tech-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tech-grid span {
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.9rem;
}

/* Projects */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.card p { color: var(--muted); font-size: 0.95rem; margin-bottom: 12px; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer a { color: var(--accent); }

@media (max-width: 640px) {
  .hero { padding: 40px 0 24px; }
  .hero-title { font-size: 1.8rem; }
  .ascii { font-size: 8px; }
  .hero-avatar { width: 120px; height: 120px; }
  .nav-links a { margin-left: 12px; }
}