/* ============================================================
   DORTMUND BOLD — Stylesheet oficial do site
   Tipografia clássica + paleta sóbria + sem firula visual
   Inspiração: Companhia das Letras digital, Substack premium,
               Stripe Press, Basecamp Handbook
   ============================================================ */

:root {
  --bg: #fafaf7;
  --bg-card: #ffffff;
  --text: #1a1a1a;
  --text-soft: #4a4a4a;
  --text-muted: #8a8a8a;
  --border: #d4d4d0;
  --accent: #7a8c5c;       /* musgo (default DORTMUND) */
  --accent-hover: #5e6f44;

  --font-serif: 'EB Garamond', 'Georgia', 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, 'Helvetica Neue', sans-serif;

  --max-w: 720px;
  --max-w-wide: 1080px;
}

/* paleta por cluster (página de cartilha herda) */
[data-cluster="agro"]     { --accent: #8b7355; }
[data-cluster="financas"] { --accent: #2c3e50; }
[data-cluster="saude"]    { --accent: #3a6b4e; }
[data-cluster="educacao"] { --accent: #5c6b8e; }
[data-cluster="beleza"]   { --accent: #7a8c5c; }
[data-cluster="casa-diy"] { --accent: #6e5d4f; }
[data-cluster="pets"]     { --accent: #8a6e58; }

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

html { scroll-behavior: smooth; }
body {
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

/* === HEADER === */
header.site {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}
header.site .nav {
  max-width: var(--max-w-wide);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
header.site .logo {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  color: var(--text);
}
header.site .logo span { color: var(--accent); }
header.site nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
}
header.site nav a {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  color: var(--text-soft);
  transition: color 0.2s;
}
header.site nav a:hover { color: var(--accent); }

@media (max-width: 700px) {
  header.site nav ul { gap: 16px; }
  header.site nav a { font-size: 13px; }
}

/* === MAIN CONTAINER === */
main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 48px 24px 96px;
}
main.wide { max-width: var(--max-w-wide); }

/* === HERO === */
.hero {
  text-align: center;
  padding: 72px 0 48px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 64px;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 24px;
}
.hero .subtitulo {
  font-family: var(--font-serif);
  font-size: clamp(18px, 2.5vw, 22px);
  font-style: italic;
  color: var(--text-soft);
  max-width: 560px;
  margin: 0 auto 32px;
}
.hero .cta-row {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* === BUTTONS === */
.btn {
  display: inline-block;
  padding: 14px 28px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  border-radius: 4px;
  transition: all 0.2s;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

/* === TYPOGRAPHY === */
h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
}
h2 {
  font-size: 32px;
  margin: 56px 0 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
h3 {
  font-size: 22px;
  margin: 36px 0 16px;
  color: var(--text);
}
p, li {
  margin-bottom: 1em;
  text-align: justify;
}
p:last-child { margin-bottom: 0; }
ul, ol { padding-left: 24px; margin-bottom: 1em; }
a { color: var(--accent); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--accent-hover); }

blockquote {
  border-left: 3px solid var(--accent);
  padding: 8px 20px;
  margin: 24px 0;
  font-style: italic;
  color: var(--text-soft);
}

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 48px auto;
  width: 30%;
}

/* === GRID DE LINHAS / CLUSTERS === */
.grid-clusters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin: 48px 0;
}
.card-cluster {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px;
  text-decoration: none;
  color: var(--text);
  transition: all 0.2s;
  display: block;
}
.card-cluster:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.card-cluster .cluster-tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 8px;
}
.card-cluster h3 {
  font-size: 22px;
  margin: 0 0 12px;
}
.card-cluster p {
  font-size: 16px;
  color: var(--text-soft);
  margin: 0;
  text-align: left;
}

/* === CATÁLOGO === */
.catalogo-list {
  display: grid;
  gap: 32px;
  margin: 32px 0;
}
.cartilha-item {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 24px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
}
.cartilha-item .info h3 { margin-top: 0; }
.cartilha-item .meta {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.cartilha-item .preco {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 600;
  color: var(--accent);
}
@media (max-width: 700px) {
  .cartilha-item { grid-template-columns: 1fr; }
}

/* === FOOTER === */
footer.site {
  border-top: 1px solid var(--border);
  background: var(--bg);
  margin-top: 96px;
  padding: 48px 24px;
}
footer.site .footer-inner {
  max-width: var(--max-w-wide);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--text-soft);
}
footer.site h4 {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text);
  margin-bottom: 12px;
}
footer.site ul { list-style: none; padding: 0; }
footer.site li { margin-bottom: 8px; }
footer.site a {
  color: var(--text-soft);
  text-decoration: none;
}
footer.site a:hover { color: var(--accent); }
footer.site .legal {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  text-align: center;
}
@media (max-width: 700px) {
  footer.site .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* === LEGAL PAGES === */
.page-legal h1 { font-size: 36px; margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.page-legal h2 { font-size: 24px; }
.page-legal h3 { font-size: 18px; }
.page-legal table { width: 100%; border-collapse: collapse; margin: 16px 0; font-family: var(--font-sans); font-size: 14px; }
.page-legal th, .page-legal td { padding: 8px 12px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.page-legal th { font-weight: 600; background: var(--bg); }