/* Zyfe — feuille de style unique, mobile-first, sans framework. */

:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --text: #29251f;
  --muted: #6f6a60;
  --accent: #5c7f4a;
  --accent-strong: #46612f;
  --line: #e8e2d6;
  --radius: 12px;
  --maxw: 42rem;
  --navh: 3.75rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1815;
    --surface: #232019;
    --text: #ece7dd;
    --muted: #a49c8d;
    --accent: #9cbf7f;
    --accent-strong: #b6d69a;
    --line: #35302a;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-strong); }
a:hover { color: var(--accent); }

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

/* Accessibilité : lien d'évitement */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: .6rem 1rem;
  border-radius: 0 0 var(--radius) 0;
  z-index: 100;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ── En-tête : logo ── */
.site-header {
  display: flex;
  justify-content: center;
  padding: 2rem 1rem 1rem;
}
.logo img { display: block; }

/* ── Navbar : fixe en haut, liens centrés, Instagram calé à droite ── */
.site-nav {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: .5rem;
  min-height: var(--navh);
  padding: .5rem 1rem;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: saturate(1.1) blur(6px);
  z-index: 20;
}
.site-nav-spacer { grid-column: 1; }
.site-nav-links {
  grid-column: 2;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .25rem .5rem;
}
.site-nav-links a {
  position: relative;
  padding: .5rem .85rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 400;
  border-radius: 999px;
}
.site-nav-links a:hover { color: var(--accent-strong); }
.site-nav-links a[aria-current="page"] {
  color: var(--accent-strong);
  font-weight: 600;
}
.site-nav-links a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -.05rem;
  transform: translateX(-50%);
  width: 2.6rem;
  height: .56rem;
  background: url("/assets/wave.png") no-repeat center / contain;
}
.insta {
  grid-column: 3;
  justify-self: end;
  display: inline-flex;
  align-items: center;
  padding: .5rem;
  color: var(--muted);
}
.insta:hover { color: var(--accent); }

/* ── Corps de page ── */
.page {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 2rem 1.15rem 3rem;
}
.page h1 {
  font-size: 1.9rem;
  line-height: 1.2;
  margin: 0 0 .5rem;
  letter-spacing: -0.01em;
}
.page h2 {
  font-size: 1.3rem;
  margin: 2.25rem 0 .75rem;
}
.lead {
  font-size: 1.15rem;
  color: var(--muted);
  margin: 0 0 1.5rem;
}

/* ── FAQ (balise <details> native, sans JavaScript) ── */
.faq { margin-top: 1rem; }
.faq details {
  border-top: 1px solid var(--line);
  padding: .25rem 0;
}
.faq details:last-of-type { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: .9rem 2rem .9rem 0;
  font-weight: 600;
  position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  position: absolute;
  right: .35rem;
  top: 1.25rem;
  width: .55rem;
  height: .55rem;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform .2s ease;
}
.faq details[open] summary::after { transform: rotate(-135deg); }
.faq details > p {
  margin: 0 0 1rem;
  color: var(--muted);
}

/* ── Pied de page ── */
.site-footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1.5rem 1.15rem 2.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .9rem;
  text-align: center;
}

@media (min-width: 640px) {
  .site-header { padding: 2.5rem 2rem 1.5rem; }
  .page h1 { font-size: 2.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}