/* LPH — feuille de style unique. Aucune ressource externe (polices système). */

:root {
  --bg: #F7F6F3;
  --panel: #FFFFFF;
  --panel-alt: #EFEDE7;
  --ink: #13233A;
  --muted: #56606F;
  --line: #DEDBD3;
  --navy: #13294B;
  --accent: #2F6690;
  --accent-soft: #E3ECF4;
  --on-navy: #FFFFFF;
  --on-navy-muted: #B9C6D8;

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --wrap: 68rem;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0E1622;
    --panel: #152033;
    --panel-alt: #111B2B;
    --ink: #E6EAF0;
    --muted: #9AA6B8;
    --line: #243248;
    --navy: #0A1628;
    --accent: #7FB0DA;
    --accent-soft: #1B2B42;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 1.0625rem/1.65 var(--sans);
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--accent); text-underline-offset: 0.2em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }

h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.2; margin: 0 0 0.6em; }
h1 { font-size: clamp(2rem, 1.4rem + 2.6vw, 3rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }
@media (min-width: 48rem) { .wrap { padding: 0 2rem; } }

.skip { position: absolute; left: -999px; }
.skip:focus { left: 1rem; top: 1rem; z-index: 10; background: var(--panel); padding: 0.5rem 1rem; }

/* En-tête */
.site-header { background: var(--panel); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 4.5rem; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 0.75rem; color: var(--ink); text-decoration: none; }
.brand img { width: 2.5rem; height: 2.5rem; }
.brand-tag { font: 600 0.8rem/1.45 var(--sans); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.nav { display: flex; flex-wrap: wrap; gap: 0.25rem 1.25rem; font-size: 0.95rem; }
.nav a { color: var(--muted); text-decoration: none; padding: 0.25rem 0; }
.nav a:hover { color: var(--ink); text-decoration: underline; }
@media (max-width: 40rem) { .nav { display: none; } }

/* Bandeau d'accueil */
.hero { background: var(--navy); color: var(--on-navy); padding: 4.5rem 0 4rem; }
.hero .eyebrow { color: var(--on-navy-muted); }
.hero p.lead { font-size: 1.2rem; color: var(--on-navy-muted); max-width: 42rem; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }
.btn { display: inline-block; padding: 0.7rem 1.3rem; border-radius: 4px; font-weight: 600; text-decoration: none; border: 1px solid transparent; }
.btn-light { background: var(--on-navy); color: #13294B; }
.btn-outline { border-color: var(--on-navy-muted); color: var(--on-navy); }
.btn:hover { text-decoration: underline; }

.eyebrow { font-size: 0.78rem; letter-spacing: 0.16em; text-transform: uppercase; font-weight: 600; color: var(--accent); margin-bottom: 0.9rem; }

/* Sections */
section { padding: 4rem 0; }
section.alt { background: var(--panel-alt); }
.intro { max-width: 46rem; color: var(--muted); font-size: 1.1rem; }

.grid { display: grid; gap: 1.25rem; margin-top: 2rem; }
@media (min-width: 48rem) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}
.card { background: var(--panel); border: 1px solid var(--line); border-top: 3px solid var(--accent); border-radius: 4px; padding: 1.5rem; }
.card p:last-child { margin-bottom: 0; }
.card .num { font-family: var(--serif); color: var(--accent); font-size: 0.95rem; font-weight: 600; display: block; margin-bottom: 0.4rem; }

/* Partenariat / réalisations */
.feature { display: grid; gap: 2rem; align-items: center; margin-top: 2rem; background: var(--panel); border: 1px solid var(--line); border-radius: 4px; padding: 2rem; }
@media (min-width: 48rem) { .feature { grid-template-columns: 1fr 2fr; padding: 2.5rem; } }
.feature .logo { display: flex; flex-direction: column; align-items: flex-start; gap: 0.6rem; }
.feature .logo img { width: 13rem; }
.feature .logo small { color: var(--muted); font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; }
.feature p:last-child { margin-bottom: 0; }

.pills { display: flex; flex-wrap: wrap; gap: 0.5rem; list-style: none; padding: 0; margin: 1.25rem 0; }
.pills li { background: var(--accent-soft); color: var(--ink); border-radius: 999px; padding: 0.3rem 0.9rem; font-size: 0.9rem; }

.badge { display: inline-block; font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 600; border: 1px solid var(--accent); color: var(--accent); border-radius: 3px; padding: 0.15rem 0.5rem; margin-left: 0.5rem; vertical-align: middle; }

.notice { margin-top: 1.5rem; border-left: 3px solid var(--accent); background: var(--accent-soft); padding: 1rem 1.25rem; border-radius: 0 4px 4px 0; }
.notice p:last-child { margin-bottom: 0; }

/* Tableau d'identité */
.facts { width: 100%; border-collapse: collapse; margin-top: 2rem; background: var(--panel); border: 1px solid var(--line); }
.facts th, .facts td { text-align: left; padding: 0.8rem 1.1rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.facts th { width: 38%; font-weight: 600; color: var(--muted); font-size: 0.95rem; }
@media (max-width: 36rem) {
  .facts th, .facts td { display: block; width: auto; }
  .facts th { border-bottom: 0; padding-bottom: 0; }
}

/* Pages de texte */
.prose { max-width: 46rem; padding: 3.5rem 0; }
.prose h2 { margin-top: 2.2rem; font-size: 1.4rem; }
.prose address { font-style: normal; }

/* Pied de page */
.site-footer { background: var(--navy); color: var(--on-navy-muted); padding: 2.5rem 0; font-size: 0.92rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem 2rem; }
.site-footer a { color: var(--on-navy); }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; }