/* ─── TOKENS ─────────────────────────────────────────────────── */
:root {
  --bg:         #0f0f0e;
  --bg-raised:  #161614;
  --border:     #242420;
  --muted:      #4a4a44;
  --subtle:     #7a7a70;
  --body:       #c8c8be;
  --heading:    #eeeee8;
  --accent:     #c9a84c;   /* aged amber — like margin ink */
  --accent-dim: #8a6e2a;

  --font-serif:  'Libre Baskerville', Georgia, serif;
  --font-sans:   'Inter', system-ui, sans-serif;
  --font-mono:   'JetBrains Mono', monospace;

  --measure: 68ch;
  --wide:    90ch;
}

/* ─── RESET ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 18px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--body);
  font-family: var(--font-serif);
  line-height: 1.75;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

main { flex: 1; }

img { max-width: 100%; height: auto; display: block; }

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

/* ─── HEADER / NAV ───────────────────────────────────────────── */
.site-header {
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 0;
}

.nav-inner {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.wordmark {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--subtle);
  text-transform: lowercase;
}

.wordmark span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  color: var(--subtle);
}

.nav-links a:hover { color: var(--body); }

/* ─── HOME PAGE ──────────────────────────────────────────────── */
.home {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 2rem;
}

.home-intro {
  padding: 5rem 0 4rem;
  border-bottom: 1px solid var(--border);
  max-width: var(--measure);
}

.home-intro .label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  display: block;
}

.home-intro h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  color: var(--heading);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.home-intro p {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 300;
  color: var(--subtle);
  line-height: 1.7;
  max-width: 52ch;
}

/* ─── POST LIST ──────────────────────────────────────────────── */
.post-list {
  padding: 3rem 0 6rem;
}

.post-list-item {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 0 2.5rem;
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
  text-decoration: none;
  color: inherit;
}

.post-list-item:hover .item-title {
  color: var(--accent);
}

.post-list-item:hover { color: inherit; }

.item-date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  padding-top: 0.35rem;
  line-height: 1.4;
}

.item-body {}

.item-tags {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
}

.item-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--heading);
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
  transition: color 0.15s ease;
}

.item-deck {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--subtle);
  line-height: 1.6;
}

/* ─── TAG PILLS ──────────────────────────────────────────────── */
.tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-dim);
  border: 1px solid var(--accent-dim);
  padding: 0.15rem 0.5rem;
  border-radius: 2px;
}

/* ─── POST PAGE ──────────────────────────────────────────────── */
.post {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 2rem;
}

.post-header {
  padding: 4rem 0 3rem;
  border-bottom: 1px solid var(--border);
  max-width: var(--measure);
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.post-meta time {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
}

.post-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--heading);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.post-deck {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--subtle);
  line-height: 1.65;
}

/* ─── POST BODY ──────────────────────────────────────────────── */
.post-body {
  max-width: var(--measure);
  padding: 3rem 0 4rem;
}

.post-body p {
  margin-bottom: 1.6rem;
  color: var(--body);
}

.post-body h2 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--heading);
  letter-spacing: -0.01em;
  margin: 3rem 0 1rem;
  line-height: 1.3;
}

.post-body h3 {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 2.5rem 0 0.75rem;
}

.post-body ul, .post-body ol {
  padding-left: 1.5rem;
  margin-bottom: 1.6rem;
  color: var(--body);
}

.post-body li { margin-bottom: 0.4rem; }

.post-body blockquote {
  border-left: 2px solid var(--accent);
  padding: 0.25rem 0 0.25rem 1.5rem;
  margin: 2rem 0;
  color: var(--subtle);
  font-style: italic;
}

.post-body strong { color: var(--heading); font-weight: 700; }

.post-body em { font-style: italic; }

.post-body a {
  color: var(--accent);
  border-bottom: 1px solid var(--accent-dim);
}

.post-body a:hover {
  color: var(--heading);
  border-color: var(--heading);
}

.post-body img {
  width: 100%;
  margin: 2.5rem 0;
  border: 1px solid var(--border);
}

.post-body figcaption {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: -2rem;
  margin-bottom: 2.5rem;
  text-align: center;
}

.post-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 3rem 0;
}

.post-body code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--bg-raised);
  padding: 0.1em 0.4em;
  border-radius: 2px;
  color: var(--accent);
}

/* ─── POST FOOTER ────────────────────────────────────────────── */
.post-footer {
  padding: 2rem 0 5rem;
  border-top: 1px solid var(--border);
  max-width: var(--measure);
}

.back-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.back-link:hover { color: var(--accent); }

/* ─── ABOUT PAGE ─────────────────────────────────────────────── */
.about {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 5rem 2rem 6rem;
}

.about h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--heading);
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
  line-height: 1.2;
}

.about p {
  margin-bottom: 1.5rem;
  color: var(--body);
  font-size: 1rem;
}

.about .label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  display: block;
}

/* ─── SITE FOOTER ────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
}

.footer-inner {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.footer-mark {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
}

.footer-mark span { color: var(--accent); }

.footer-sub {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: 300;
}

/* ─── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 600px) {
  html { font-size: 16px; }

  .post-list-item {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .item-date { padding-top: 0; }

  .footer-inner { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
}

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