:root {
  --bg: #f2f4ef;
  --surface: #ffffff;
  --ink: #1f2a24;
  --muted: #51635a;
  --primary: #1f7a54;
  --primary-strong: #165a3f;
  --secondary: #e58c48;
  --border: #d2ddd3;
  --ring: rgba(31, 122, 84, 0.35);
  --radius: 0.9rem;
  --shadow: 0 8px 18px rgba(20, 34, 27, 0.08);
  --c-application: #1f7a54;
  --c-taxonomie: #6b3fa0;
  --c-standards: #1f7a5a;
  --c-concours: #d6246e;
  --c-genetique: #1f6fb5;
  --c-base-connaissance: #b07d00;
  --c-support: #12808a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}

a { color: var(--primary-strong); }
a:focus-visible, button:focus-visible { outline: 3px solid var(--ring); outline-offset: 2px; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: #fff;
  padding: 0.6rem 1rem;
  z-index: 10;
}
.skip-link:focus { left: 0; }

.container { width: min(1120px, 92%); margin: 0 auto; }

.site-header { background: var(--surface); border-bottom: 1px solid var(--border); }
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.7rem 0;
}
.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--ink);
  font-size: 1.2rem;
}
.site-brand img { width: 2.4rem; height: 2.4rem; border-radius: 50%; object-fit: cover; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.site-nav { display: flex; gap: 1.1rem; flex-wrap: wrap; align-items: center; }
.site-nav a { text-decoration: none; color: var(--ink); font-weight: 500; }
.site-nav a:hover { color: var(--primary); }

.btn {
  display: inline-block;
  padding: 0.65rem 1.2rem;
  border-radius: 999px;
  background: var(--primary);
  color: #fff !important;
  text-decoration: none;
  font-weight: 600;
  border: 2px solid var(--primary);
}
.btn:hover { background: var(--primary-strong); border-color: var(--primary-strong); }
.btn--ghost { background: transparent; color: var(--primary-strong) !important; }
.btn--ghost:hover { background: var(--primary); color: #fff !important; }

.hero { padding: 3rem 0; }
.hero .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  justify-items: center;
  text-align: center;
}
.hero h1 { font-size: clamp(2rem, 4vw, 3rem); line-height: 1.15; margin: 0 0 1rem; }
.hero p { font-size: 1.1rem; color: var(--muted); max-width: 38rem; margin-inline: auto; }
.hero-actions { display: flex; gap: 0.8rem; flex-wrap: wrap; justify-content: center; margin-top: 1.5rem; }
.hero-image {
  display: block;
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
  height: auto;
  border-radius: 1.6rem;
  box-shadow: var(--shadow);
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.hero-figure { margin: 0; text-align: center; }
.hero-caption { margin-top: 0.6rem; font-size: 0.95rem; font-style: italic; color: var(--muted); }
.hero-caption-emoji { font-style: normal; }
.card-icon { font-size: 1.4rem; margin-right: 0.2rem; }

.section { padding: 2.5rem 0; }
.section h2 { font-size: 1.8rem; margin: 0 0 0.4rem; }
.section-lead { color: var(--muted); margin: 0 0 1.5rem; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.2rem; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 6px solid var(--card-color, var(--primary));
  border-radius: var(--radius);
  padding: 1.2rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.card h3 { margin: 0; font-size: 1.2rem; color: var(--card-color, var(--primary)); }
.card p { margin: 0; color: var(--muted); flex: 1; }
.card .badge {
  align-self: flex-start;
  font-size: 0.8rem;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  background: #eef1ec;
  color: var(--muted);
}
.card a.card-link { font-weight: 600; color: var(--card-color, var(--primary)); }
.card[data-key="application"] { --card-color: var(--c-application); }
.card[data-key="taxonomie"] { --card-color: var(--c-taxonomie); }
.card[data-key="standards"] { --card-color: var(--c-standards); }
.card[data-key="concours"] { --card-color: var(--c-concours); }
.card[data-key="genetique"] { --card-color: var(--c-genetique); }
.card[data-key="base-connaissance"] { --card-color: var(--c-base-connaissance); }
.card[data-key="support"] { --card-color: var(--c-support); }

.site-footer { background: var(--ink); color: #dfe7e1; margin-top: 2rem; padding: 2rem 0; }
.site-footer a { color: #fff; }
.footer-links { display: flex; gap: 1.2rem; flex-wrap: wrap; list-style: none; padding: 0; margin: 0 0 1rem; }
.footer-meta { font-size: 0.9rem; color: #b9c6bd; margin: 0; }

@media (max-width: 760px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-image { max-width: 280px; }
}

@media (prefers-reduced-motion: no-preference) {
  .card { transition: transform 0.15s ease; }
  .card:hover { transform: translateY(-3px); }
}

.prose { padding: 2rem 0 3rem; max-width: 52rem; }
.prose h1 { font-size: 2rem; margin: 0 0 0.5rem; }
.prose h2 { font-size: 1.3rem; margin: 2rem 0 0.5rem; }
.prose table { border-collapse: collapse; width: 100%; margin: 1rem 0; background: var(--surface); }
.prose th, .prose td { border: 1px solid var(--border); padding: 0.5rem 0.7rem; text-align: left; vertical-align: top; }
.prose .meta { color: var(--muted); font-size: 0.9rem; }
.notice { background: #fff6e8; border: 1px solid var(--secondary); border-radius: var(--radius); padding: 0.8rem 1rem; margin: 1rem 0; }
.sitemap-list { columns: 2; padding-left: 1.2rem; }