:root {
  --blue: #0d3b3f;
  --red: #b5762e;
  --ink: #16211f;
  --subtle: #566462;
  --card: #ffffff;
  --line: rgba(22, 33, 31, 0.12);
  --bg-top: #e6f0ee;
  --bg-bottom: #f7f2e7;
  --shadow: 0 18px 48px rgba(22, 33, 31, 0.10);
}

:root[data-theme="dark"] {
  --blue: #7fd4cf;
  --red: #e0b57a;
  --ink: #eef3f1;
  --subtle: #9fb0ac;
  --card: #14211f;
  --line: rgba(238, 243, 241, 0.16);
  --bg-top: #0a1614;
  --bg-bottom: #171410;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: linear-gradient(170deg, var(--bg-top), var(--bg-bottom));
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

/* En-tête */

.site-header {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  padding: 18px 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: inherit; }

.brand-icon { width: 44px; height: 44px; border-radius: 11px; box-shadow: var(--shadow); }

.brand strong { display: block; font-size: 17px; letter-spacing: -0.01em; }
.brand strong .b { color: var(--blue); }
.brand strong .r { color: var(--red); }
.brand small { display: block; font-size: 13px; color: var(--subtle); }

.site-nav { display: flex; gap: 4px; flex-wrap: wrap; margin-left: auto; }

.site-nav a {
  padding: 7px 13px;
  border-radius: 999px;
  text-decoration: none;
  color: var(--subtle);
  font-size: 15px;
}

.site-nav a:hover { background: rgba(0, 60, 152, 0.10); color: var(--ink); }
.site-nav a[aria-current="page"] { background: var(--blue); color: #fff; }

.header-actions { display: flex; gap: 8px; align-items: center; }

.header-actions select,
.icon-button {
  font: inherit;
  font-size: 14px;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 12px;
  cursor: pointer;
}

/* Contenu */

.page { max-width: 780px; margin: 0 auto; padding: 12px 24px 80px; }
.page-hero { text-align: center; padding: 32px 0 24px; }
.hero-logo { width: 104px; height: 104px; border-radius: 24px; box-shadow: var(--shadow); }

.eyebrow {
  margin: 18px 0 0;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--subtle);
}

h1 { font-size: clamp(32px, 6vw, 46px); line-height: 1.12; margin: 8px 0 12px; letter-spacing: -0.02em; }
h2 { font-size: 21px; margin: 32px 0 8px; letter-spacing: -0.01em; }

.lead { font-size: 19px; color: var(--subtle); max-width: 56ch; margin: 0 auto; }

/* Bleu, blanc, rouge : les deux couleurs du logo, séparées de blanc. */
.tricolor {
  display: block;
  width: 108px;
  height: 6px;
  margin: 22px auto;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--blue) 0 33%, #e9e9ef 33% 66%, var(--red) 66% 100%);
}

.page-hero + .tricolor { margin-top: 0; }

.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 26px; }

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
}

.btn.secondary { background: var(--card); color: var(--ink); border: 1px solid var(--line); }
.btn:hover { opacity: 0.9; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px 26px;
  margin: 16px 0;
  box-shadow: var(--shadow);
}

.card h2 { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }

.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

.updated { font-size: 14px; color: var(--subtle); text-align: center; margin-top: 34px; }

.site-footer {
  max-width: 780px;
  margin: 0 auto;
  padding: 24px;
  text-align: center;
  font-size: 14px;
  color: var(--subtle);
  border-top: 1px solid var(--line);
}

.site-footer a { color: var(--blue); }
a { color: var(--blue); }

@media (max-width: 640px) {
  .site-nav { margin-left: 0; order: 3; width: 100%; }
  .header-actions { margin-left: auto; }
}