:root {
  --bg: #0b0b0c;
  --panel: #121214;
  --text: #d6d6d7;
  --muted: #9a9aa0;
  --line: #1f1f22;
  --line-strong: #2a2a2e;
  --focus: #e6e6e8;
  --radius: 12px;
  --shadow: 0 0 0 1px var(--line), 0 6px 24px rgba(0,0,0,0.35);
  --shadow-soft: 0 0 0 1px var(--line), 0 2px 10px rgba(0,0,0,0.25);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: radial-gradient(1200px 800px at 50% -10%, #111113 0%, var(--bg) 60%);
  color: var(--text);
  font: 16px/1.6 -apple-system, system-ui, "Segoe UI", Roboto, Ubuntu, Cantarell, "Noto Sans", sans-serif;
  letter-spacing: 0.2px;
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: none; }

.container {
  width: 100%;
  max-width: 72ch;
  margin-inline: auto;
  padding-inline: 1rem;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(0,0,0,0)) , var(--bg);
  position: sticky;
  top: 0;
  backdrop-filter: blur(6px);
  z-index: 10;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.9rem;
}

.brand {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.5px;
}

.nav {
  display: flex;
  gap: 0.9rem;
}

.nav a {
  color: var(--muted);
  padding: 0.35rem 0.55rem;
  border-radius: 8px;
  transition: 140ms ease;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--text);
  background: #141418;
  outline: none;
}

/* Main */
.site-main { padding-block: 1.5rem 2.5rem; }

.posts {
  display: grid;
  gap: 1rem;
}

.post-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.015), rgba(0,0,0,0)) , var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  transition: border-color 140ms ease, transform 140ms ease;
}

.post-link {
  display: block;
  padding: 1.1rem 1rem;
}

.post-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-1px);
}

.post-title {
  margin: 0 0 0.35rem 0;
  font-size: 1.2rem;
  line-height: 1.35;
  letter-spacing: 0.3px;
}

.post-excerpt {
  margin: 0 0 0.6rem 0;
  color: var(--muted);
}

.post-date {
  font-size: 0.85rem;
  color: var(--muted);
}

/* Pager */
.pager {
  display: flex;
  gap: 0.6rem;
  justify-content: space-between;
  margin-top: 1.25rem;
}

.btn {
  display: inline-block;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #121216;
  color: var(--text);
  box-shadow: var(--shadow-soft);
  transition: background 120ms ease, border-color 120ms ease, transform 120ms ease;
}

.btn:hover,
.btn:focus-visible {
  background: #15151a;
  border-color: var(--line-strong);
  transform: translateY(-1px);
  outline: none;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 1.25rem 2rem;
  color: var(--muted);
  background: linear-gradient(0deg, rgba(255,255,255,0.02), rgba(0,0,0,0)) , var(--bg);
}

/* Accessibility */
:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: 6px;
}

/* Responsive */
@media (min-width: 760px) {
  .post-title { font-size: 1.35rem; }
  .post-excerpt { font-size: 1.02rem; }
}