:root{
  --bg: #12141f;
  --card-back: #1c2033;
  --card-back-edge: #262b45;
  --ink: #f7f5f0;
  --ink-dim: #a9acc4;
  --gold: #f4b942;
  --gold-dim: #6b581f;
  --teal: #6dd3c7;
  --line: rgba(247,245,240,0.08);
}

*{ box-sizing: border-box; }
html, body{ margin: 0; padding: 0; }

body{
  background:
    radial-gradient(circle at 15% -10%, rgba(244,185,66,0.08), transparent 45%),
    radial-gradient(circle at 100% 10%, rgba(109,211,199,0.06), transparent 40%),
    var(--bg);
  color: var(--ink);
  font-family: 'Inter', sans-serif;
  min-height: 100vh;
  padding: 40px 20px 60px;
}

.wrap{
  max-width: 980px;
  margin: 0 auto;
}

/* Header */
.site-header{
  margin-bottom: 36px;
}

.eyebrow{
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 10px;
}

.eyebrow::before{
  content: "";
  width: 22px;
  height: 1px;
  background: var(--gold-dim);
  display: inline-block;
}

.site-header h1{
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: clamp(30px, 5vw, 46px);
  margin: 12px 0 10px;
  letter-spacing: -0.01em;
}

.site-header h1 em{
  color: var(--gold);
  font-style: italic;
  font-weight: 500;
}

.sub{
  color: var(--ink-dim);
  max-width: 560px;
  line-height: 1.55;
  font-size: 15px;
}

/* Cards grid */
.grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

@media (max-width: 780px){
  .grid{ grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 520px){
  .grid{ grid-template-columns: 1fr; }
}

/* Chapters */
.chapter{
  margin-bottom: 42px;
}

.chapter-head{
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.chapter-num{
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  color: var(--gold-dim);
  letter-spacing: 0.08em;
}

.chapter-title{
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-style: italic;
  font-size: 20px;
  color: var(--gold);
  margin: 0;
}

.chapter-line{
  flex: 1;
  height: 1px;
  background: var(--line);
}

.card{
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--card-back);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px 20px;
  text-decoration: none;
  color: var(--ink);
  transition: border-color .15s ease, transform .15s ease, background .15s ease;
}

.card:not(.card-placeholder):hover{
  border-color: var(--gold);
  transform: translateY(-2px);
  background: #20243a;
}

.card-tag{
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
}

.card h2{
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 19px;
  margin: 2px 0 2px;
  color: var(--ink);
}

.card p{
  font-size: 13.5px;
  color: var(--ink-dim);
  line-height: 1.5;
  margin: 0;
  flex-grow: 1;
}

.card-cta{
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--gold);
  margin-top: 6px;
}

.card-placeholder{
  border-style: dashed;
  opacity: 0.55;
}

/* Footer */
.site-footer{
  margin-top: 46px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--ink-dim);
}

.site-footer code{
  font-family: 'IBM Plex Mono', monospace;
  background: var(--card-back);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--line);
}