:root {
  --bg: #ffffff;
  --fg: #0d1b2a;
  --muted: #6b7280;
  --accent: #2563eb;
  --accent-2: #f59e0b;
  --border: #e5e5e5;
  --card-bg: #fafafa;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--fg);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-weight: 800; letter-spacing: -0.01em; }

main {
  max-width: 1040px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

/* Header */

.site-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  z-index: 10;
}
.site-header-row {
  max-width: 1040px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}
.brand-logo {
  height: 44px;
  width: auto;
  display: block;
}

.site-nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.site-nav a {
  color: var(--fg);
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
}
.site-nav a:hover { color: var(--accent); }

.search input {
  padding: 9px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  min-width: 200px;
  font-family: var(--font);
  font-size: 0.9rem;
}

/* Hero */

.hero {
  text-align: center;
  padding: 56px 0 48px;
}
.hero h1 { margin: 0 0 12px; font-size: 2.5rem; }
.hero-subtitle {
  font-size: 1.2rem;
  color: var(--fg);
  margin: 0 auto 8px;
  max-width: 560px;
}
.hero-stats {
  margin: 0 auto 28px;
  max-width: 560px;
  font-size: 0.95rem;
}
.search-hero {
  display: flex;
  justify-content: center;
  gap: 8px;
  max-width: 560px;
  margin: 0 auto;
}
.search-hero input {
  flex: 1;
  padding: 14px 18px;
  font-size: 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
}
.search-hero button {
  padding: 14px 24px;
  border-radius: 10px;
  border: none;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
}

h2 { margin-top: 56px; font-size: 1.6rem; }

.section-muted { padding: 32px; background: var(--card-bg); border-radius: 16px; }

.eyebrow {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent-2);
  font-weight: 700;
  margin-bottom: 6px;
}

.monetization-box {
  margin-top: 32px;
  padding: 20px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.monetization-box h2 { margin-top: 0; }
.affiliate-list { margin-top: 12px; }

/* Destaques */

.destaque-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.destaque-card {
  display: flex;
  gap: 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  background: var(--bg);
}
.destaque-cover { flex-shrink: 0; width: 96px; display: block; }
.destaque-cover img { width: 100%; height: 100%; aspect-ratio: 2 / 3; object-fit: cover; display: block; }
.destaque-body { padding: 16px 16px 16px 0; display: flex; flex-direction: column; }
.destaque-body h3 { margin: 0 0 6px; font-size: 1.05rem; line-height: 1.3; }
.destaque-body h3 a { color: var(--fg); text-decoration: none; }
.destaque-meta { font-size: 0.85rem; margin: 0 0 10px; }
.destaque-body .button { margin-top: auto; align-self: flex-start; }

/* Categorias */

.categoria-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}
.categoria-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 14px;
  text-decoration: none;
  color: var(--fg);
  background: var(--bg);
  transition: border-color 0.15s ease;
}
.categoria-card:hover { border-color: var(--accent); }
.categoria-icon { font-size: 1.8rem; }
.categoria-name { font-weight: 700; font-size: 1rem; }
.categoria-count { font-size: 0.85rem; }
.categoria-link { font-size: 0.85rem; font-weight: 600; color: var(--accent); margin-top: 8px; }

.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 24px;
}

.book-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--fg);
  background: var(--bg);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  padding-bottom: 16px;
}
.book-card img { width: 100%; aspect-ratio: 2 / 3; object-fit: cover; display: block; }
.book-card h3 { font-size: 1rem; margin: 12px 14px 4px; }
.book-card .muted { margin: 0 14px 10px; font-size: 0.8rem; }
.book-card .button.secondary { margin-left: 14px; margin-top: auto; align-self: flex-start; }

.cover-placeholder {
  width: 100%;
  aspect-ratio: 2 / 3;
  background: linear-gradient(135deg, #e5e5e5, #f5f5f5);
}
.cover-placeholder.large { max-width: 220px; }

.muted { color: var(--muted); }

.sobre-section p { max-width: 720px; }

.book-hero {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  align-items: flex-start;
}
.book-cover { max-width: 220px; width: 100%; border-radius: 8px; }

.button {
  display: inline-block;
  margin: 8px 8px 0 0;
  padding: 10px 18px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
}
.button.secondary { background: var(--fg); }
.button.amazon { background: var(--accent-2); }

.breadcrumb { color: var(--muted); font-size: 0.9rem; }

.prose p { margin: 1em 0; }

.faq-item, .glossary-item { margin-bottom: 16px; }
.faq-item h3 { margin-bottom: 4px; }
.glossary-list dt { font-weight: 700; }
.glossary-list dd { margin: 0 0 12px; color: var(--muted); }

.link-list { padding-left: 20px; }
.link-list li { margin-bottom: 6px; }

.tag-list { margin-top: 16px; }
.tag {
  display: inline-block;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 10px;
  font-size: 0.8rem;
  margin: 0 4px 4px 0;
}

.cta-box {
  margin: 32px 0;
  padding: 20px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  text-align: center;
}

a { color: var(--accent); }

/* Footer */

.site-footer {
  color: var(--muted);
  padding: 48px 20px 24px;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
}
.footer-grid {
  max-width: 1040px;
  margin: 0 auto 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  justify-content: space-between;
}
.footer-brand .brand-logo { height: 48px; }
.footer-col h4 {
  margin: 0 0 10px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--fg);
}
.footer-col a { display: block; color: var(--muted); text-decoration: none; margin-bottom: 6px; }
.footer-col a:hover { color: var(--accent); }
.footer-copyright { max-width: 1040px; margin: 0 auto; text-align: center; border-top: 1px solid var(--border); padding-top: 20px; }

/* Cookie banner */

.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 16px 20px;
  background: var(--fg);
  color: #fff;
  box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.15);
}
.cookie-banner[hidden] { display: none; }
.cookie-banner p { margin: 0; font-size: 0.85rem; max-width: 640px; }
.cookie-banner a { color: #fff; text-decoration: underline; }
.cookie-banner .button { margin: 0; flex-shrink: 0; }