:root {
  --ink: #1d2433;
  --muted: #5a6275;
  --navy: #1f3350;
  --navy-dark: #15243a;
  --accent: #8a5a2b;
  --bg: #ffffff;
  --soft: #f5f2ed;
  --line: #e3ddd3;
  --radius: 10px;
  --max: 1080px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
}
h1, h2, h3, .brand-name {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: normal;
  color: var(--navy-dark);
  line-height: 1.25;
}
h1 { font-size: clamp(30px, 5vw, 44px); margin: 0 0 16px; }
h2 { font-size: clamp(24px, 3.5vw, 31px); margin: 0 0 18px; }
h3 { font-size: 20px; margin: 0 0 8px; }
p { margin: 0 0 14px; }
a { color: var(--navy); }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* En-tête */
.site-header { border-bottom: 1px solid var(--line); background: #fff; position: sticky; top: 0; z-index: 10; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 76px; }
.brand { text-decoration: none; display: flex; align-items: center; gap: 12px; }
.brand-logo { width: 28px; height: auto; display: block; }
.brand-text { display: block; }
.portrait { margin: 0; }
.portrait img { width: 100%; height: auto; border-radius: var(--radius); display: block; box-shadow: 0 10px 30px rgba(21,36,58,.12); }
.two-col > div > .facts { margin-top: 26px; }
.brand-name { font-size: 23px; display: block; }
.brand-sub { font-size: 13px; color: var(--muted); letter-spacing: .04em; text-transform: uppercase; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; font-size: 15px; color: var(--navy); cursor: pointer; }
.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 22px; }
.site-nav a { text-decoration: none; color: var(--ink); font-size: 15.5px; padding: 6px 0; border-bottom: 2px solid transparent; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--navy); border-bottom-color: var(--accent); }

/* Bandeau d'accueil */
.hero { background: linear-gradient(rgba(21,36,58,.45), rgba(21,36,58,.7)), url("images/vichy-lac-allier.jpg") center 60% / cover no-repeat var(--navy-dark); color: #fff; padding: 96px 0 88px; }
.hero h1 { color: #fff; }
.hero .lead { font-size: 19px; max-width: 680px; color: #dfe5ee; }
.page-hero { background: var(--soft); padding: 52px 0 40px; border-bottom: 1px solid var(--line); }
.page-hero .lead { font-size: 18px; max-width: 720px; color: var(--muted); }
.eyebrow { font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; display: block; }
.hero .eyebrow { color: #d9b78f; }

.btns { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.btn { display: inline-block; padding: 12px 22px; border-radius: 6px; text-decoration: none; font-weight: 600; font-size: 16px; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #74491f; }
.btn-ghost { border: 1px solid rgba(255,255,255,.6); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.1); }
.btn-outline { border: 1px solid var(--navy); color: var(--navy); }

/* Sections */
section { padding: 60px 0; }
section.alt { background: var(--soft); }
.two-col { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: start; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.card p:last-child { margin-bottom: 0; }
.card.featured { border-color: var(--accent); border-width: 2px; }
.card a.more { font-weight: 600; text-decoration: none; }
.facts { background: #fff; border-left: 3px solid var(--accent); padding: 20px 24px; border-radius: 0 var(--radius) var(--radius) 0; }
.facts dl { margin: 0; }
.facts dt { font-weight: 600; margin-top: 10px; }
.facts dt:first-child { margin-top: 0; }
.facts dd { margin: 0; color: var(--muted); }
ul.list { padding-left: 20px; margin: 0 0 14px; }
ul.list li { margin-bottom: 6px; }

.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; }
.steps li { counter-increment: step; position: relative; padding: 0 0 22px 56px; }
.steps li::before { content: counter(step); position: absolute; left: 0; top: 0; width: 38px; height: 38px; border-radius: 50%; background: var(--navy); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 600; }

details { border-bottom: 1px solid var(--line); padding: 14px 0; }
summary { cursor: pointer; font-weight: 600; color: var(--navy-dark); }
details p { margin-top: 10px; }

.cta-band { background: var(--navy); color: #fff; text-align: center; padding: 52px 0; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #dfe5ee; }
.cta-band .btns { justify-content: center; }

.legal h2 { font-size: 22px; margin-top: 34px; }
.note { font-size: 14.5px; color: var(--muted); }

/* Pied de page */
.site-footer { background: var(--navy-dark); color: #c9d1dd; padding: 44px 0 26px; font-size: 15px; }
.site-footer a { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 30px; }
.site-footer h3 { color: #fff; font-size: 17px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.15); margin-top: 30px; padding-top: 18px; font-size: 13.5px; display: flex; flex-wrap: wrap; gap: 8px 22px; justify-content: space-between; }

@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr 1fr; }
  .two-col { grid-template-columns: 1fr; gap: 28px; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .nav-toggle { display: block; }
  .site-nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: #fff; border-bottom: 1px solid var(--line); }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; gap: 0; padding: 8px 16px 14px; }
  .site-nav a { display: block; padding: 10px 0; border-bottom: 1px solid var(--line); }
  .header-inner { position: relative; }
  .grid, .grid-2 { grid-template-columns: 1fr; }
  .hero { padding: 52px 0 46px; }
  section { padding: 44px 0; }
}

@media (max-width: 420px) { .brand-sub { font-size: 10.5px; letter-spacing: .02em; } .brand-name { font-size: 20px; } }