/*
Theme Name: Modelo 1 — Institucional Acadêmico
Theme URI: https://modelo1.itsconnect.com.br
Description: Modelo editorial universitário — identidade institucional clássica
Version: 1.0
*/

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,600;0,700;1,400&family=Inter:wght@400;500;600&display=swap');

:root {
  --bg: #f8f6f0;
  --bg2: #efece3;
  --fg: #1c1a14;
  --fg2: #4a4535;
  --muted: #7a7260;
  --hd: #0c1a0e;
  --hd-fg: #e8f0e4;
  --accent: #c8942a;
  --accent-dk: #a67a1e;
  --rule: rgba(28,26,20,.12);
  --card: #fff;
  --r: 4px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
}

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

/* Demo banner */
.demo-banner {
  background: var(--hd);
  color: var(--hd-fg);
  text-align: center;
  font-size: 13px;
  letter-spacing: .04em;
  padding: 10px 16px;
}

/* Site header */
.site-header {
  background: var(--hd);
  color: var(--hd-fg);
  padding: 0 max(24px, env(safe-area-inset-left,0px));
}
.site-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}
.site-logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  font-weight: 600;
  color: var(--hd-fg);
  letter-spacing: .02em;
}
.site-logo span {
  display: block;
  font-size: 11px;
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 2px;
}
.site-nav a {
  color: rgba(232,240,228,.75);
  font-size: 14px;
  letter-spacing: .04em;
  transition: color .2s;
}
.site-nav a:hover { color: var(--hd-fg); }

/* Hero */
.hero {
  background: var(--hd);
  color: var(--hd-fg);
  padding: 72px max(24px, env(safe-area-inset-left,0px)) 56px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 90% 50%, rgba(200,148,42,.08), transparent);
  pointer-events: none;
}
.hero-inner { max-width: 1200px; margin: 0 auto; position: relative; }
.hero-eyebrow {
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.hero h1 {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: 20px;
}
.hero h1 em { font-style: italic; color: var(--accent); }
.hero-rule {
  width: 60px;
  height: 2px;
  background: var(--accent);
  margin-bottom: 20px;
}
.hero-desc {
  font-size: 17px;
  color: rgba(232,240,228,.8);
  max-width: 560px;
  margin-bottom: 36px;
  line-height: 1.65;
}
.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}
.hero-stat-n {
  font-family: 'Cormorant Garamond', serif;
  font-size: 44px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}
.hero-stat-l {
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(232,240,228,.65);
  margin-top: 4px;
}

/* Catalog */
.catalog-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px max(24px, env(safe-area-inset-left,0px));
}
.catalog-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--rule);
}
.catalog-head h2 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 28px;
  font-weight: 600;
  color: var(--fg);
}
.year-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.yr-btn {
  padding: 6px 16px;
  border: 1.5px solid var(--rule);
  background: transparent;
  color: var(--fg2);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  cursor: pointer;
  border-radius: var(--r);
  transition: border-color .2s, color .2s;
}
.yr-btn:hover { border-color: var(--accent); color: var(--accent); }
.yr-btn.active { border-color: var(--accent); color: var(--accent); font-weight: 600; }

/* Book grid */
.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 24px;
}
.book-card {
  background: var(--card);
  border-radius: var(--r);
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(0,0,0,.08);
  transition: box-shadow .25s, transform .25s;
}
.book-card:hover {
  box-shadow: 0 6px 20px rgba(0,0,0,.14);
  transform: translateY(-3px);
}
.book-cover {
  aspect-ratio: 2/3;
  display: flex;
  align-items: flex-end;
  padding: 12px;
  position: relative;
}
/* Category gradients */
.book-card[data-cat="amazonia"] .book-cover { background: linear-gradient(140deg,#1a4a2e,#0d2a1a); }
.book-card[data-cat="educacao"] .book-cover { background: linear-gradient(140deg,#1a3a4a,#0d1e2a); }
.book-card[data-cat="saude"] .book-cover { background: linear-gradient(140deg,#2a1a3a,#160d1e); }
.book-card[data-cat="humanidades"] .book-cover { background: linear-gradient(140deg,#3a2a1a,#1e160d); }
.book-card[data-cat="arte"] .book-cover { background: linear-gradient(140deg,#2a1a4a,#160d26); }
.book-card[data-cat="comunicacao"] .book-cover { background: linear-gradient(140deg,#4a1a1a,#260d0d); }
.book-card[data-cat="tecnologia"] .book-cover { background: linear-gradient(140deg,#1a2a4a,#0d1626); }
.book-card[data-cat="outros"] .book-cover { background: linear-gradient(140deg,#2a2a2a,#161616); }

.book-initials {
  font-family: 'Cormorant Garamond', serif;
  font-size: 36px;
  font-weight: 700;
  color: rgba(255,255,255,.18);
  line-height: 1;
  position: absolute;
  top: 12px;
  left: 14px;
}
.book-year-badge {
  background: rgba(200,148,42,.85);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .06em;
  padding: 3px 8px;
  border-radius: 2px;
  position: relative;
}
.book-info { padding: 12px 14px 14px; }
.book-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--fg);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.book-area {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: .04em;
}

/* Footer */
.site-footer {
  background: var(--hd);
  color: rgba(232,240,228,.6);
  padding: 32px max(24px, env(safe-area-inset-left,0px));
  text-align: center;
  font-size: 13px;
  margin-top: 60px;
}
.site-footer strong { color: var(--hd-fg); }

/* Utility */
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

@media (max-width: 600px) {
  .hero-stats { gap: 24px; }
  .catalog-head { flex-direction: column; align-items: flex-start; }
  .book-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 16px; }
}