/* ==========================================================================
   pages.css — feuille de style legere pour les pages de contenu SEO
   Identite navy + champagne (coherente avec le site principal), optimisee CWV.
   ========================================================================== */
:root {
  --bg-primary: #050816;
  --bg-secondary: #0D1326;
  --bg-subtle: #121A31;
  --surface: linear-gradient(160deg, #16213D 0%, #0D1326 100%);
  --text-primary: #F7F4EE;
  --text-secondary: #AAB7D6;
  --text-muted: rgba(170,183,214,.62);
  --border: #263454;
  --blue: #4DA3FF;
  --blue-deep: #007BFF;
  --blue-light: #78C3FF;
  --gold: #C7A96B;
  --champagne: #E5D0A1;
  --shadow: 0 28px 56px -24px rgba(0,0,0,.7), 0 10px 22px -14px rgba(0,0,0,.55);
  --maxw: 70rem;
  --font-display: 'Syne', system-ui, sans-serif;
  --font-ui: 'Rajdhani', system-ui, sans-serif;
  --font-body: 'Exo 2', system-ui, sans-serif;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg-primary: #F4F1EA; --bg-secondary: #FFFFFF; --bg-subtle: #FFFFFF;
    --surface: linear-gradient(160deg, #FFFFFF 0%, #F4F1EA 100%);
    --text-primary: #0D1326; --text-secondary: #4A5578; --text-muted: #8893B0;
    --border: rgba(13,19,38,.12);
    --blue: #007BFF; --blue-light: #4DA3FF; --gold: #B08D4F; --champagne: #C7A96B;
    --shadow: 0 24px 50px -22px rgba(13,19,38,.18), 0 8px 18px -10px rgba(13,19,38,.10);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scrollbar-color: var(--blue) transparent; }
body {
  margin: 0; font-family: var(--font-body); line-height: 1.7; font-size: 1.05rem;
  color: var(--text-primary);
  background:
    radial-gradient(140% 80% at 50% -8%, color-mix(in srgb, var(--blue) 12%, transparent), transparent 55%),
    var(--bg-primary);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(1.1rem, 4vw, 2.5rem); }

/* Accessibilite : lien d'evitement + focus visibles */
.skip { position: absolute; left: -999px; top: 0; background: var(--gold); color: #0D1326; padding: .6rem 1rem; border-radius: 0 0 8px 0; z-index: 200; font-family: var(--font-ui); font-weight: 700; }
.skip:focus { left: 0; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 4px; }

a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--gold); }

/* En-tete / navigation */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--bg-primary) 82%, transparent);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 4rem; gap: 1rem; }
.brand { font-family: var(--font-display); font-weight: 800; font-size: 1.3rem; letter-spacing: -.02em; color: var(--text-primary); }
.brand .dot { color: var(--gold); }
.site-nav { display: flex; gap: clamp(.8rem, 2vw, 1.6rem); flex-wrap: wrap; }
.site-nav a { font-family: var(--font-ui); font-weight: 600; font-size: .95rem; letter-spacing: .02em; color: var(--text-secondary); text-transform: uppercase; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--text-primary); }
.site-nav a[aria-current="page"] { border-bottom: 2px solid var(--gold); }
@media (max-width: 640px) { .site-nav { display: none; } }

/* Fil d'ariane */
.breadcrumb { font-family: var(--font-ui); font-size: .85rem; letter-spacing: .04em; color: var(--text-muted); padding: 1.4rem 0 0; }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: .5rem; margin: 0; padding: 0; }
.breadcrumb li::after { content: '/'; margin-left: .5rem; color: var(--border); }
.breadcrumb li:last-child::after { content: ''; }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--gold); }

/* En-tete d'article */
main { display: block; }
.page-hero { padding: clamp(2.4rem, 6vw, 4.5rem) 0 1rem; }
.eyebrow { font-family: var(--font-ui); font-weight: 600; text-transform: uppercase; letter-spacing: .24em; font-size: .8rem; color: var(--blue); display: inline-flex; align-items: center; gap: .6rem; margin: 0 0 1rem; }
.eyebrow::before { content: ''; width: 1.8rem; height: 1px; background: var(--gold); }
h1 { font-family: var(--font-display); font-weight: 800; letter-spacing: -.025em; line-height: 1.08; font-size: clamp(2rem, 5vw, 3.4rem); margin: 0 0 1rem; color: var(--text-primary); }
.lead { font-size: clamp(1.1rem, 2vw, 1.3rem); color: var(--text-secondary); max-width: 50ch; margin: 0 0 1rem; }

article h2 { font-family: var(--font-display); font-weight: 700; letter-spacing: -.02em; line-height: 1.15; font-size: clamp(1.5rem, 3.2vw, 2.1rem); margin: 2.6rem 0 .9rem; color: var(--text-primary); }
article h3 { font-family: var(--font-ui); font-weight: 700; font-size: 1.2rem; letter-spacing: .01em; margin: 1.6rem 0 .5rem; color: var(--text-primary); }
article p { color: var(--text-secondary); margin: 0 0 1rem; }
article ul, article ol { color: var(--text-secondary); padding-left: 1.2rem; margin: 0 0 1.2rem; }
article li { margin: .4rem 0; }
article strong { color: var(--text-primary); }
.section-divider { height: 1px; background: linear-gradient(90deg, transparent, var(--border), transparent); border: 0; margin: 2.6rem 0; }

/* Grilles de cartes (services / maillage) */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); gap: 1.1rem; margin: 1.5rem 0 .5rem; }
.card {
  display: block; padding: 1.4rem 1.4rem 1.5rem; border-radius: 16px;
  background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow);
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.card:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--gold) 55%, var(--border)); box-shadow: var(--shadow), 0 0 26px rgba(199,169,107,.28); }
.card h3 { margin: 0 0 .4rem; color: var(--text-primary); font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; }
.card p { color: var(--text-secondary); font-size: .96rem; margin: 0; }
.card .more { display: inline-block; margin-top: .8rem; font-family: var(--font-ui); font-weight: 600; color: var(--gold); font-size: .9rem; letter-spacing: .04em; }

/* Bandeau CTA */
.cta-band { margin: 3rem 0 1rem; padding: clamp(1.8rem, 4vw, 3rem); border-radius: 20px; background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow); text-align: center; }
.cta-band h2 { margin-top: 0; }
.btn { display: inline-block; font-family: var(--font-ui); font-weight: 700; letter-spacing: .04em; text-transform: uppercase; font-size: .92rem; padding: .85rem 1.7rem; border-radius: 999px; }
.btn-primary { background: linear-gradient(120deg, var(--blue-deep), var(--blue)); color: #fff; box-shadow: 0 10px 30px -10px rgba(0,123,255,.55); }
.btn-primary:hover { color: #fff; box-shadow: 0 0 28px rgba(199,169,107,.4); }
.btn-ghost { border: 1px solid var(--border); color: var(--text-primary); margin-left: .5rem; }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }

/* FAQ accessible (details/summary, sans JS) */
.faq { margin: 1.4rem 0; }
.faq details { border: 1px solid var(--border); border-radius: 12px; background: color-mix(in srgb, var(--bg-subtle) 60%, transparent); margin-bottom: .8rem; overflow: hidden; }
.faq summary { cursor: pointer; padding: 1rem 1.2rem; font-family: var(--font-ui); font-weight: 600; font-size: 1.05rem; color: var(--text-primary); list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: var(--gold); font-size: 1.4rem; line-height: 1; transition: transform .2s ease; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 1.2rem 1.1rem; margin: 0; }

/* Pied de page */
.site-footer { margin-top: 3.5rem; border-top: 1px solid var(--border); background: color-mix(in srgb, var(--bg-secondary) 70%, transparent); }
.site-footer .container { padding-top: 2.6rem; padding-bottom: 2.2rem; }
.foot-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 1.6rem 1.2rem; }
@media (max-width: 760px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
.foot-col h4 { font-family: var(--font-ui); text-transform: uppercase; letter-spacing: .16em; font-size: .78rem; color: var(--text-muted); margin: 0 0 .8rem; }
.foot-col a { display: block; color: var(--text-secondary); font-size: .94rem; margin: .35rem 0; }
.foot-col a:hover { color: var(--gold); }
.foot-brand p { color: var(--text-muted); font-size: .92rem; max-width: 32ch; }
.foot-bottom { margin-top: 1.8rem; padding-top: 1.2rem; border-top: 1px solid var(--border); display: flex; flex-wrap: wrap; justify-content: space-between; gap: .6rem; color: var(--text-muted); font-size: .85rem; font-family: var(--font-ui); }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .card { transition: none; } }