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

/* ── Base ── */
:root {
  --color-primary: #5a7a3a;
  --color-primary-dark: #3d5427;
  --color-accent: #c8a96e;
  --color-bg: #fafaf5;
  --color-text: #2d2d2d;
  --color-text-light: #666;
  --color-border: #e0ddd5;
  --max-width: 960px;
  --font-body: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-heading: Georgia, 'Times New Roman', serif;
}

html { font-size: 100%; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
}

/* ── Typography ── */
h1, h2, h3, h4 { font-family: var(--font-heading); line-height: 1.3; margin-bottom: 0.5em; }
h1 { font-size: 2rem; color: var(--color-primary-dark); }
h2 { font-size: 1.5rem; color: var(--color-primary); margin-top: 1.5em; }
h3 { font-size: 1.25rem; }
p { margin-bottom: 1em; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
em { font-style: italic; }
strong { font-weight: 600; }

/* ── Layout ── */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* ── Header / Nav ── */
header {
  background: var(--color-primary-dark);
  color: #fff;
  padding: 0 1.5rem;
}

.main-nav {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.75rem 0;
}

.site-title {
  color: #fff;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-right: auto;
}

.site-title:hover { text-decoration: none; opacity: 0.9; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
}

.nav-menu {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.nav-menu a {
  color: rgba(255,255,255,0.85);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.85rem;
}

.nav-menu a:hover, .nav-menu a.active {
  color: #fff;
  background: rgba(255,255,255,0.15);
  text-decoration: none;
}

/* ── Cards (hub pages) ── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.card {
  display: block;
  padding: 1.25rem;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  transition: box-shadow 0.2s, border-color 0.2s;
}

.card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  text-decoration: none;
}

.card h2 { font-size: 1.1rem; margin: 0 0 0.35rem; }
.card p { font-size: 0.9rem; color: var(--color-text-light); margin: 0; }

/* ── Silo nav (homepage) ── */
.silo-nav {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.silo-card {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 1rem;
  background: var(--color-primary);
  color: #fff;
  border-radius: 8px;
  text-align: center;
  transition: background 0.2s;
}

.silo-card:hover { background: var(--color-primary-dark); text-decoration: none; }
.silo-card h2 { color: #fff; font-size: 1rem; margin: 0; }

/* ── Ficha técnica (data table) ── */
.ficha-tecnica {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
}

.ficha-tecnica caption {
  text-align: left;
  font-weight: 700;
  font-family: var(--font-heading);
  padding: 0.75rem 1rem;
  background: var(--color-primary);
  color: #fff;
}

.ficha-tecnica th,
.ficha-tecnica td {
  padding: 0.6rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.ficha-tecnica th { width: 40%; font-weight: 600; background: #f5f4ef; }

/* ── Breadcrumb ── */
.breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 1rem;
}

.breadcrumb li::after { content: ' / '; margin-left: 0.25rem; }
.breadcrumb li:last-child::after { content: ''; }
.breadcrumb a { color: var(--color-primary); }

/* ── FAQ ── */
.faq { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--color-border); }
.faq h2 { margin-top: 0; }
.faq dl { margin-top: 1rem; }
.faq dt { font-weight: 600; margin-top: 1rem; }
.faq dd { margin-left: 0; margin-top: 0.25rem; color: var(--color-text-light); }

/* ── Related ── */
.related { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--color-border); }
.related ul { list-style: none; display: flex; flex-wrap: wrap; gap: 0.75rem; }
.related a {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  background: #f5f4ef;
  border-radius: 4px;
  font-size: 0.9rem;
}
.related a:hover { background: var(--color-primary); color: #fff; text-decoration: none; }

/* ── Language switcher ── */
.language-switcher ul {
  list-style: none;
  display: flex;
  gap: 0.5rem;
  font-size: 0.8rem;
}

.language-switcher .current { font-weight: 700; color: rgba(255,255,255,0.6); }
.language-switcher a { color: rgba(255,255,255,0.85); }
.language-switcher a:hover { color: #fff; }

/* ── Footer ── */
footer {
  border-top: 1px solid var(--color-border);
  padding: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-legal { margin: 0.5rem 0; }
.footer-legal a { margin: 0 0.75rem; color: var(--color-primary); }

footer .language-switcher .current { color: var(--color-text-light); }
footer .language-switcher a { color: var(--color-primary); }

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-menu { display: none; width: 100%; flex-direction: column; }
  .nav-menu.open { display: flex; }
  .nav-menu a { padding: 0.5rem 0; }
  h1 { font-size: 1.6rem; }
}