/* ─── Font faces ─── */
@font-face { font-family: 'Cormorant Garamond'; font-style: normal; font-weight: 300; font-display: swap; src: url('../fonts/cormorant_garamond_300_normal_latin.woff2') format('woff2'); }
@font-face { font-family: 'IBM Plex Mono'; font-style: normal; font-weight: 400; font-display: swap; src: url('../fonts/ibm_plex_mono_400_normal_latin.woff2') format('woff2'); }
@font-face { font-family: 'IBM Plex Mono'; font-style: normal; font-weight: 500; font-display: swap; src: url('../fonts/ibm_plex_mono_500_normal_latin.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 300; font-display: swap; src: url('../fonts/inter_300_normal_latin.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 400; font-display: swap; src: url('../fonts/inter_400_normal_latin.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 500; font-display: swap; src: url('../fonts/inter_500_normal_latin.woff2') format('woff2'); }

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

/* ─── Variables ─── */
:root {
  --black:   #1a1a1c;
  --surface: #202023;
  --border:  #2e2e32;
  --border2: #3a3a3e;
  --text:    #ccccC4;
  --text2:   #a0a098;
  --muted:   #686860;
  --accent:  #b8966a;
  --accent2: #d0a878;
  --white:   #eeeee8;
  --font:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono:    'IBM Plex Mono', 'Courier New', monospace;
  --serif:   'Cormorant Garamond', Georgia, serif;
}

/* ─── Base ─── */
html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--text);
  font-family: var(--font);
  font-weight: 300;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle, #1d1d22 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}

/* ─── Skip link ─── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 99999;
  background: var(--accent);
  color: var(--black);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  padding: 0.6rem 1.2rem;
  text-decoration: none;
  transition: top 0.2s;
}

.skip-link:focus { top: 0.5rem; }

/* ─── Focus styles ─── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

a:focus-visible { border-radius: 1px; }

/* ─── Nav ─── */
.page-nav {
  position: sticky;
  top: 0;
  background: rgba(7,7,8,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 clamp(1rem, 4vw, 3rem);
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 100;
}

.page-nav-logo {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  color: var(--muted);
  text-decoration: none;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.page-nav-logo strong { color: var(--accent); font-weight: 500; }

.page-nav-back {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-decoration: none;
  text-transform: uppercase;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.page-nav-back:hover { border-color: var(--accent); }

/* ─── Layout ─── */
main {
  max-width: 900px;
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 5rem) clamp(1rem, 4vw, 2rem) 6rem;
  position: relative;
  z-index: 1;
}

/* ─── Page header ─── */
.page-header {
  margin-bottom: 4rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
}

.page-label {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.page-label::after {
  content: '';
  width: 1.5rem;
  height: 1px;
  background: var(--accent);
  opacity: 0.4;
}

.page-header h1 {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 300;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
}

.page-header p {
  color: var(--text2);
  font-size: 0.97rem;
  max-width: 520px;
}

/* ─── Post grid ─── */
.post-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  margin-bottom: 1px;
}

.post-card {
  background: var(--black);
  padding: 2rem 2.2rem;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: background 0.2s;
  position: relative;
  overflow: hidden;
}

.post-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 2px;
  height: 0;
  background: var(--accent);
  transition: height 0.3s ease;
}

.post-card:hover { background: var(--surface); }
.post-card:hover::before { height: 100%; }

.post-card.featured {
  grid-column: 1 / -1;
  flex-direction: row;
  gap: 2.5rem;
  align-items: flex-start;
  padding: 2.5rem;
}

.post-card.featured .post-body { flex: 1; }

.post-meta {
  font-family: var(--mono);
  font-size: 0.56rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  gap: 1.2rem;
  align-items: center;
}

.post-meta-sep { color: var(--border2); }

.post-tag {
  font-family: var(--mono);
  font-size: 0.52rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 0.18rem 0.55rem;
}

.post-card h2 {
  font-family: var(--serif);
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
  font-weight: 300;
  color: var(--white);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.post-card.featured h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }

.post-excerpt {
  font-size: 0.86rem;
  color: var(--text2);
  line-height: 1.7;
}

.post-read-more {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.post-read-more::after { content: '→'; transition: transform 0.2s; }
.post-card:hover .post-read-more::after { transform: translateX(4px); }

.post-number {
  font-family: var(--mono);
  font-size: 4rem;
  font-weight: 400;
  color: var(--border2);
  line-height: 1;
  letter-spacing: -0.05em;
  flex-shrink: 0;
  padding-top: 0.2rem;
}

/* ─── Footer ─── */
footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: 2rem clamp(1rem, 4vw, 2rem);
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-copy {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.footer-link {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-decoration: none;
  text-transform: uppercase;
  transition: color 0.2s;
}

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

/* ─── Responsive ─── */
@media (max-width: 640px) {
  .post-grid { grid-template-columns: 1fr; }
  .post-card.featured { flex-direction: column; gap: 1rem; }
  .post-number { font-size: 2.5rem; }
}