:root {
  --bg: #0f1115;
  --surface: #171a21;
  --text: #e8eaed;
  --muted: #9aa0a6;
  --accent: #f5a623;
  --accent-hover: #ffb733;
  --maxw: 720px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

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

header.site {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(15, 17, 21, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  position: sticky;
  top: 0;
  z-index: 10;
}

header.site .inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

header.site .brand {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}
header.site .brand a { color: var(--text); }

header.site .nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.95rem;
}
header.site .nav a {
  color: var(--text);
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
}
header.site .nav a:hover { background: var(--surface); text-decoration: none; }
header.site .nav a.active { color: var(--accent); }
header.site .nav a.contact {
  border: 1px solid rgba(255, 255, 255, 0.18);
}
header.site .nav a.contact:hover { border-color: var(--accent); }

main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}
.hero h1 {
  margin: 0;
  font-size: clamp(1.8rem, 6vw, 2.5rem);
  letter-spacing: -0.02em;
}
.hero .tagline {
  color: var(--muted);
  margin: 0;
  font-size: 1.05rem;
}

section.coming-soon h2 { font-size: 1.3rem; margin: 0 0 0.5rem; }

/* Post list */
.post-list { list-style: none; padding: 0; margin: 0 0 2.5rem; }
.post-card {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  background: var(--surface);
  overflow: hidden;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.post-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.post-card a {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.25rem 1.5rem;
  color: var(--text);
}
.post-card a:hover { text-decoration: none; }
.post-date {
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}
.post-title {
  font-size: 1.15rem;
  font-weight: 600;
}

/* Placeholder shown when no posts exist yet */
.post-placeholder {
  border: 1px dashed rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  background: var(--surface);
  padding: 2rem 1.5rem;
  text-align: center;
}
.post-placeholder p { margin: 0 0 0.6rem; }

/* Reusable muted colour */
.muted { color: var(--muted); }

footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
  padding: 1.5rem;
}

.post-body h1 { font-size: clamp(1.8rem, 6vw, 2.4rem); margin: 0 0 0.5rem; }
.post-body .meta { color: var(--muted); margin-bottom: 2rem; font-size: 0.9rem; }
.post-body h2 { font-size: 1.4rem; margin: 2rem 0 0.75rem; }
.post-body h3 { font-size: 1.15rem; margin: 1.5rem 0 0.5rem; }
.post-body p { margin: 0 0 1.1rem; }
.post-body ul, .post-body ol { margin: 0 0 1.1rem; padding-left: 1.4rem; }
.post-body li { margin: 0.25rem 0; }
.post-body a { color: var(--accent); }
.post-body code {
  font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  background: rgba(255, 255, 255, 0.06);
  padding: 0.15rem 0.35rem;
  border-radius: 5px;
  font-size: 0.9em;
}
.post-body pre {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 1rem 1.1rem;
  overflow-x: auto;
}
.post-body pre code { background: none; padding: 0; }
.post-body blockquote {
  border-left: 3px solid var(--accent);
  margin: 0 0 1.1rem;
  padding: 0.25rem 0 0.25rem 1.1rem;
  color: var(--muted);
}

.post-nav {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.post-nav a {
  display: inline-block;
  padding: 0.5rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
}

@media (max-width: 520px) {
  main { padding: 2rem 1.25rem 4rem; }
  header.site .inner { padding: 0.85rem 1.25rem; }
  header.site .nav a { padding: 0.4rem 0.5rem; font-size: 0.9rem; }
  .post-card a { padding: 1rem 1.1rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}