/* ---------- Base ---------- */
:root {
  --bg: #08090d;
  --card: #101218;
  --border: #1f212b;
  --text: #eceef2;
  --muted: #888b96;
  --accent: #818cf8;
  --accent-soft: rgba(129, 140, 248, 0.10);
  --max-width: 720px;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Inter, Roboto, sans-serif;
  --mono: ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
/* ---------- Ambient background canvas ---------- */
#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}
/* everything else sits above the canvas */
header.site-header, main, footer {
  position: relative;
  z-index: 1;
}
/* ---------- Header / Nav ---------- */
header.site-header {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(8, 9, 13, 0.82);
  backdrop-filter: blur(8px);
  z-index: 10;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
}
.nav .brand {
  font-weight: 600;
  font-size: 16px;
  color: var(--text);
  letter-spacing: -0.01em;
}
.nav .brand:hover { opacity: 0.8; }
.nav ul {
  list-style: none;
  display: flex;
  gap: 30px;
  margin: 0;
  padding: 0;
}
.nav a { font-size: 14px; color: var(--muted); }
.nav a:hover { color: var(--text); }
/* ---------- Hero ---------- */
.hero { padding: 100px 0 72px; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 28px;
}
.badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px rgba(129, 140, 248, 0.7);
}
.hero h1 {
  font-size: 44px;
  line-height: 1.2;
  font-weight: 700;
  margin: 0 0 20px;
  letter-spacing: -0.02em;
  max-width: 560px;
}
.hero h1 .accent { color: var(--accent); }

.hero h1 .cursor {
  display: inline-block;
  color: var(--accent);
  font-weight: 400;
  margin-left: 2px;
  animation: blink-cursor 1s step-end infinite;
}
@keyframes blink-cursor {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .hero h1 .cursor { animation: none; opacity: 0; }
}

.hero p.tagline {
  font-size: 18px;
  color: var(--muted);
  margin: 0 0 36px;
  max-width: 460px;
}
.cta { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 11px 22px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--border);
}
.btn.primary {
  background: var(--accent);
  color: #08090d;
  border-color: var(--accent);
}
.btn.primary:hover { opacity: 0.88; }
.btn.ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn.ghost:hover { border-color: #3a3d4a; background: rgba(255,255,255,0.02); }
/* ---------- About block ---------- */
.about-block {
  margin-top: 12px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
}
.about-block h2 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin: 0 0 20px;
  font-weight: 600;
}
.about-block p {
  color: #b9bac2;
  margin: 0 0 16px;
  max-width: 600px;
  font-size: 15px;
}
/* ---------- Contact block ---------- */
.contact-block {
  padding-top: 48px;
  margin-top: 48px;
  border-top: 1px solid var(--border);
}
.contact-block h2 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin: 0 0 16px;
  font-weight: 600;
}
.contact-block p { color: var(--muted); margin: 0 0 20px; max-width: 480px; font-size: 15px; }
.contact-links { display: flex; gap: 12px; flex-wrap: wrap; }
/* ---------- Page headings (Projects / Blog) ---------- */
main { padding: 64px 0 96px; }
.page-title {
  font-size: 28px;
  font-weight: 700;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.page-sub { color: var(--muted); margin: 0 0 44px; font-size: 15px; }
.page-sub a:hover { color: var(--accent); }
/* ---------- Projects ---------- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}
.project-card {
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.15s ease;
}
.project-card:hover { border-color: #34374a; }
.project-card h3 { margin: 0; font-size: 16px; }
.project-card h3 a:hover { color: var(--accent); }
.project-card p.desc { color: var(--muted); font-size: 13px; margin: 0; flex-grow: 1; }
.project-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--muted);
  font-family: var(--mono);
}
.lang-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 5px;
}
.empty-state {
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 32px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}
.empty-state a { color: var(--accent); }
.empty-state a:hover { text-decoration: underline; }
.state-msg { color: var(--muted); padding: 12px 0; font-size: 14px; }
/* ---------- Blog list ---------- */
.post-list { display: flex; flex-direction: column; gap: 0; }
.post-preview {
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}
.post-preview:first-child { padding-top: 0; }
.post-preview:last-child { border-bottom: none; }
.post-preview h2 { font-size: 20px; margin: 0 0 8px; font-weight: 600; }
.post-preview h2 a:hover { color: var(--accent); }
.post-date {
  font-size: 12px;
  font-family: var(--mono);
  color: var(--muted);
  margin: 0 0 12px;
}
.post-excerpt { color: #b9bac2; margin: 0; font-size: 15px; }
/* ---------- Single post ---------- */
.back-link {
  display: inline-block;
  margin-bottom: 36px;
  font-size: 13px;
  color: var(--muted);
}
.back-link:hover { color: var(--text); }
.post-article h1 { font-size: 30px; margin-bottom: 8px; letter-spacing: -0.01em; }
.post-article .post-date { margin-bottom: 36px; }
.post-article { font-size: 16px; color: #cbccd3; }
.post-article h2 { font-size: 20px; margin-top: 34px; color: var(--text); }
.post-article a { color: var(--accent); text-decoration: underline; }
.post-article pre {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 16px;
  border-radius: 10px;
  overflow-x: auto;
}
.post-article code {
  background: var(--card);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}
.post-article pre code { background: none; padding: 0; }
.post-article blockquote {
  border-left: 3px solid var(--border);
  margin: 0;
  padding-left: 16px;
  color: var(--muted);
}
/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  color: var(--muted);
  font-size: 13px;
}
footer a:hover { color: var(--text); }
footer .sep { margin: 0 8px; opacity: 0.4; }
/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .nav ul { gap: 16px; }
  .hero { padding: 72px 0 48px; }
  .hero h1 { font-size: 32px; }
  main { padding: 48px 0 72px; }
}