/* =========================================================
   DESIGN TOKENS
   ========================================================= */
:root {
  --paper:      #FFFFFF;
  --paper-card: #F6F8FB;
  --ink:        #1A1D22;
  --ink-soft:   #565C66;
  --burgundy:   #16264D;
  --ledger-green: #3B5C8C;
  --brass:      #A87A2A;
  --rule:       rgba(22, 38, 77, 0.18);
  --rule-soft:  rgba(22, 38, 77, 0.10);

  --display: 'Fraunces', serif;
  --body: 'Source Serif 4', serif;
  --mono: 'IBM Plex Mono', monospace;

  --wrap: 880px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

/* subtle paper grain */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 28px;
}

a { color: inherit; }

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 20px;
  padding-bottom: 20px;
}
.brand {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.15rem;
  text-decoration: none;
  letter-spacing: 0.01em;
}
.site-nav { display: flex; gap: 28px; }
.site-nav a {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-soft);
  border-bottom: 1px solid transparent;
  padding-bottom: 3px;
  transition: color 0.15s, border-color 0.15s;
}
.site-nav a:hover { color: var(--burgundy); border-color: var(--burgundy); }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  padding: 96px 28px 72px;
  border-bottom: 1px solid var(--rule);
}
.eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--burgundy);
  margin: 0 0 18px;
}
.hero-title {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(3rem, 9vw, 5.5rem);
  line-height: 0.98;
  margin: 0 0 22px;
  letter-spacing: -0.01em;
}
.hero-sub {
  max-width: 46ch;
  font-size: 1.15rem;
  color: var(--ink-soft);
  margin: 0 0 36px;
}
.hero-links { display: flex; gap: 16px; flex-wrap: wrap; }
.pull-tab {
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  text-decoration: none;
  padding: 10px 18px;
  border: 1px solid var(--ink);
  border-radius: 2px;
  background: var(--ink);
  color: var(--paper);
  transition: transform 0.15s ease, background 0.15s ease;
  display: inline-block;
}
.pull-tab:hover { transform: translateY(-2px); background: var(--burgundy); border-color: var(--burgundy); }
.pull-tab--muted {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule);
}
.pull-tab--muted:hover { background: transparent; color: var(--burgundy); border-color: var(--burgundy); }

/* =========================================================
   FEATURED BOOK HERO
   ========================================================= */
.featured-book {
  display: grid;
  grid-template-columns: minmax(220px, 320px) 1fr;
  gap: 56px;
  align-items: center;
  padding-top: 72px;
}
.featured-cover {
  position: relative;
}
.featured-cover img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 4px;
  box-shadow: 0 24px 48px rgba(36,34,30,0.32), 0 4px 12px rgba(36,34,30,0.18);
  transform: rotate(-2deg);
  transition: transform 0.25s ease;
}
.featured-cover:hover img { transform: rotate(0deg) scale(1.015); }
.hero-title--book {
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.04;
}
.hero-title-or {
  font-style: italic;
  font-weight: 300;
  font-size: 0.55em;
  color: var(--ink-soft);
  padding: 0 4px;
}
.hero-book-subtitle {
  font-family: var(--mono);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ledger-green);
  margin: 6px 0 20px;
}
.hero-tagline {
  font-family: var(--display);
  font-style: italic;
  font-weight: 500;
  font-size: 1.2rem;
  color: var(--burgundy);
  margin: 0 0 18px;
}
.hero-isbn {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink-soft);
  margin: 22px 0 0;
}
@media (max-width: 760px) {
  .featured-book {
    grid-template-columns: 1fr;
    text-align: left;
    padding-top: 48px;
  }
  .featured-cover { max-width: 240px; margin: 0 auto 8px; }
}

/* =========================================================
   SECTION HEAD (shared)
   ========================================================= */
.section-head { padding-top: 72px; margin-bottom: 40px; }
.section-label {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--ledger-green);
  margin: 0 0 10px;
}
.section-title {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin: 0 0 8px;
}
.section-note {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin: 0;
}

/* =========================================================
   CATALOG — book cards (index-card metaphor)
   ========================================================= */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 22px;
  padding-bottom: 88px;
}
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 22px 20px 20px;
  text-decoration: none;
  color: var(--ink);
  box-shadow: 0 1px 0 var(--rule-soft);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.card::before {
  /* punch hole, top-left, like a library card */
  content: "";
  position: absolute;
  top: 16px; left: -6px;
  width: 12px; height: 12px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 50%;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 22px rgba(36,34,30,0.14);
  border-color: var(--burgundy);
}

/* featured card with a real cover thumbnail */
.card--featured {
  flex-direction: row;
  align-items: stretch;
  gap: 20px;
  max-width: 560px;
  padding: 18px;
}
.card-thumb {
  width: 110px;
  height: auto;
  border-radius: 3px;
  box-shadow: 0 6px 14px rgba(36,34,30,0.22);
  flex-shrink: 0;
  align-self: center;
}
.card--featured .card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
}
@media (max-width: 480px) {
  .card--featured { flex-direction: column; }
  .card-thumb { width: 100%; max-width: 160px; }
}
.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border-bottom: 1px dashed var(--rule);
  padding-bottom: 12px;
  margin-bottom: 14px;
}
.call-number {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
}
.stamp {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--burgundy);
  border: 1px solid var(--burgundy);
  border-radius: 50%;
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  transform: rotate(-8deg);
  opacity: 0.85;
}
.card-title {
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.25rem;
  margin: 0 0 6px;
  line-height: 1.2;
}
.card-tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--ledger-green);
  text-transform: uppercase;
  margin: 0 0 12px;
}
.card-blurb {
  font-size: 0.94rem;
  color: var(--ink-soft);
  margin: 0 0 20px;
  flex-grow: 1;
}
.card-cta {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--ink);
  border-top: 1px solid var(--rule);
  padding-top: 12px;
  transition: color 0.15s;
}
.card:hover .card-cta { color: var(--burgundy); }

/* =========================================================
   LEDGER — journal entries
   ========================================================= */
.entry-list {
  border-top: 1px solid var(--rule);
  padding-bottom: 88px;
}
.entry {
  display: grid;
  grid-template-columns: 90px 1fr auto auto;
  align-items: baseline;
  gap: 18px;
  text-decoration: none;
  color: var(--ink);
  padding: 20px 4px;
  border-bottom: 1px dashed var(--rule);
  transition: background 0.15s ease, padding-left 0.15s ease;
}
.entry:hover { background: rgba(107, 39, 55, 0.05); padding-left: 10px; }
.entry-date {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
}
.entry-title {
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.08rem;
}
.entry-outlet {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ledger-green);
  text-align: right;
}
.entry-go {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--burgundy);
  opacity: 0;
  transition: opacity 0.15s;
}
.entry:hover .entry-go { opacity: 1; }

/* =========================================================
   ABOUT
   ========================================================= */
.about { padding-bottom: 96px; }
.about-text {
  max-width: 60ch;
  font-size: 1.05rem;
  color: var(--ink-soft);
  margin: 0 0 20px;
}
.about-links { display: flex; gap: 22px; flex-wrap: wrap; }
.about-links a {
  font-family: var(--mono);
  font-size: 0.82rem;
  text-decoration: underline;
  text-underline-offset: 3px;
  color: var(--ink);
}
.about-links a:hover { color: var(--burgundy); }

/* author block */
.author-block {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 32px;
  align-items: start;
}
.author-photo {
  width: 100%;
  border-radius: 4px;
  box-shadow: 0 10px 20px rgba(36,34,30,0.2);
}
.author-name {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.4rem;
  margin: 0 0 14px;
}
.author-quote {
  font-family: var(--display);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--burgundy);
  border-left: 3px solid var(--burgundy);
  padding-left: 16px;
  margin: 0 0 16px;
}
.author-motto {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ledger-green);
  margin: 0;
}
@media (max-width: 560px) {
  .author-block { grid-template-columns: 1fr; }
  .author-photo { width: 120px; }
}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
  border-top: 1px solid var(--rule);
  padding: 26px 28px 40px;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink-soft);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 640px) {
  .entry {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .entry-outlet { text-align: left; }
  .entry-go { display: none; }
  .hero { padding: 64px 20px 48px; }
  .site-nav { gap: 16px; }
}

/* respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}

/* visible keyboard focus */
a:focus-visible {
  outline: 2px solid var(--burgundy);
  outline-offset: 2px;
}

/* =========================================================
   LIVELY LAYER
   ========================================================= */
body { background-image: radial-gradient(circle at 8% 12%, rgba(107,39,55,.10), transparent 22rem), radial-gradient(circle at 92% 70%, rgba(62,92,79,.10), transparent 25rem); }
.site-header { backdrop-filter: blur(12px); background: rgba(239,231,214,.82); }
.hero { position: relative; overflow: hidden; }
.hero::after { content: '✦'; position:absolute; right:8%; top:24%; font-size:clamp(4rem,9vw,8rem); color:rgba(107,39,55,.13); animation: bookFloat 5s ease-in-out infinite; }
.hero-title { animation: riseIn .7s ease both; }
.hero-sub { animation: riseIn .7s .08s ease both; }
.hero-links { animation: riseIn .7s .16s ease both; }
.pull-tab { box-shadow: 0 8px 18px rgba(36,34,30,.10); }
.card { transform: translateY(0) rotate(var(--tilt,0deg)) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg)); }
.card:hover { transform: translateY(-8px) rotate(var(--tilt,0deg)) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg)) !important; }
.card:nth-child(3n+1) { --tilt:-.35deg; }
.card:nth-child(3n+2) { --tilt:.25deg; }
.card:nth-child(3n) { --tilt:-.15deg; }
.entry { transition: transform .2s ease, background .2s ease, padding-left .2s ease; }
.entry:hover { transform: translateX(7px); background: rgba(248,243,230,.55); }
.section-title { text-wrap: balance; }
@keyframes riseIn { from { opacity:0; transform:translateY(16px); } to { opacity:1; transform:none; } }
@keyframes bookFloat { 50% { transform:translateY(12px) rotate(10deg); } }
@media (prefers-reduced-motion: reduce) { .hero-title,.hero-sub,.hero-links { animation:none; } }