/* ============================================================
   Clinique Ophtalmologie — design system (mobile-first)
   ============================================================ */
:root {
  --blue-900: #07293f;
  --blue-800: #0a3d62;
  --blue-700: #0f4c77;
  --teal: #14809f;
  --teal-dark: #0d5f78;
  --teal-soft: #e3f2f7;
  --ink: #1a2733;
  --muted: #5a6b7a;
  --bg: #ffffff;
  --bg-soft: #f2f6f9;
  --line: #dfe7ee;
  --radius: 10px;
  --radius-sm: 8px;
  --shadow: 0 2px 10px rgba(10, 61, 98, 0.08);
  --shadow-lg: 0 10px 30px rgba(7, 41, 63, 0.16);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --pad: clamp(16px, 4vw, 20px);
  --header-h: 64px;
  --transition: 0.18s ease;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 16.5px;
}
body.no-scroll { overflow: hidden; }
img { max-width: 100%; height: auto; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 var(--pad); }
a { color: var(--teal-dark); text-decoration: none; }
a:hover { color: var(--blue-800); text-decoration: underline; }
a:focus-visible, button:focus-visible, [tabindex]:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 2px;
  border-radius: 4px;
}
h1, h2, h3, h4 { line-height: 1.25; color: var(--blue-900); margin: 0 0 0.5em; }
h1 { font-size: clamp(1.65rem, 4.5vw, 2.2rem); }
h2 { font-size: clamp(1.25rem, 3vw, 1.55rem); }
h3 { font-size: 1.12rem; }
p { margin: 0 0 1em; }
.muted { color: var(--muted); font-size: 0.92rem; }
.lead { font-size: 1.08rem; color: var(--muted); }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--blue-900); color: #fff; padding: 10px 18px;
  border-radius: 0 0 8px 0; font-weight: 700;
}
.skip-link:focus { left: 0; color: #fff; }

/* ============ Boutons (contraste au survol obligatoire) ============ */
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 8px;
  font-weight: 700; font-size: 0.98rem; cursor: pointer; border: 2px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--blue-800); color: #fff; }
.btn-primary:hover { background: var(--teal); color: #fff; }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.75); }
.btn-ghost:hover { background: #fff; color: var(--blue-900); border-color: #fff; }
.btn-link { background: none; color: var(--teal-dark); padding: 6px 2px; font-weight: 700; }
.btn-link:hover { color: var(--blue-800); text-decoration: underline; }
.btn-block { display: block; text-align: center; }
.btn-cta { background: var(--teal); color: #fff; }
.btn-cta:hover { background: var(--blue-700); color: #fff; }

/* ============ Header (sticky) ============ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: #fff;
  border-bottom: 3px solid var(--blue-800);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; height: var(--header-h);
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none !important; min-width: 0; }
.brand-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--blue-800); color: #fff; font-weight: 800; font-size: 1rem;
  flex-shrink: 0; transition: background var(--transition);
}
.brand:hover .brand-mark { background: var(--teal); }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
.brand-text strong { color: var(--blue-900); font-size: 1.02rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.brand-text small { color: var(--muted); font-size: 0.74rem; }

/* --- Navigation desktop --- */
.main-nav { display: none; }
.nav-list { display: flex; align-items: center; gap: 2px; list-style: none; margin: 0; padding: 0; }
.nav-link {
  display: block; padding: 9px 12px; border-radius: 6px; color: var(--blue-800);
  font-weight: 600; font-size: 0.92rem; white-space: nowrap;
}
.nav-link:hover { background: var(--bg-soft); text-decoration: none; }
.nav-link.active { background: var(--blue-800); color: #fff; }
.nav-link.active:hover { background: var(--blue-700); }
.nav-cta { margin-left: 10px; padding: 10px 16px; font-size: 0.9rem; }
.nav-contact { display: none; }

/* --- Hamburger --- */
.nav-toggle {
  display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 44px; padding: 0; margin-left: auto;
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: 8px; cursor: pointer;
  position: relative; z-index: 96; /* au-dessus du panneau et du backdrop */
}
.nav-toggle-bar {
  display: block; width: 22px; height: 2.5px; margin: 0 auto;
  background: var(--blue-800); border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.site-header.menu-open .nav-toggle-bar:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.site-header.menu-open .nav-toggle-bar:nth-child(2) { opacity: 0; }
.site-header.menu-open .nav-toggle-bar:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* --- Panneau mobile (sous le header sticky) --- */
.main-nav {
  position: fixed; top: var(--header-h); right: 0; bottom: 0; z-index: 95;
  width: min(320px, 86vw);
  background: var(--bg); box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column;
  padding: 20px 22px 24px;
  transform: translateX(105%);
  transition: transform 0.25s ease;
  overflow-y: auto;
}
.main-nav.open { transform: translateX(0); }
.main-nav .nav-list { flex-direction: column; align-items: stretch; gap: 2px; }
.main-nav .nav-link { font-size: 1.02rem; padding: 12px 14px; border-radius: 8px; }
.main-nav .nav-cta-li { margin-top: 14px; }
.main-nav .nav-cta { margin-left: 0; text-align: center; }
.main-nav .nav-contact { display: block; margin-top: auto; padding-top: 22px; border-top: 1px solid var(--line); }

.nav-backdrop {
  position: fixed; inset: 0; z-index: 90;
  background: rgba(7, 41, 63, 0.5);
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s ease;
}
.site-header.menu-open .nav-backdrop { opacity: 1; pointer-events: auto; }

/* ============ Layout principal ============ */
.page-main { padding-top: 26px; padding-bottom: 30px; min-height: 50vh; }

/* ============ Hero ============ */
.hero {
  background: linear-gradient(115deg, rgba(7, 41, 63, 0.94) 0%, rgba(10, 61, 98, 0.82) 45%, rgba(13, 95, 120, 0.6) 100%), url('/images/In4XVKhYaiI.webp') center/cover no-repeat;
  color: #fff; border-radius: 0 0 18px 18px;
  padding: clamp(44px, 9vw, 84px) clamp(18px, 4vw, 28px);
  margin: calc(var(--pad) * -1) calc(var(--pad) * -1) 10px;
}
.hero-inner { max-width: 780px; }
.hero-kicker {
  text-transform: uppercase; letter-spacing: 0.14em; font-weight: 700;
  font-size: 0.78rem; color: #bcd8ea; margin-bottom: 12px;
}
.hero h1 { color: #fff; font-size: clamp(1.75rem, 5.5vw, 2.7rem); margin-bottom: 0.45em; }
.hero-lead { font-size: clamp(1rem, 2.5vw, 1.15rem); opacity: 0.93; max-width: 640px; }
.hero-actions { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; }

/* ============ Rubriques ============ */
.section-head {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 12px; margin: 42px 0 16px; flex-wrap: wrap;
}
.section-head h2 { margin-bottom: 2px; }
.troubles { margin-top: 8px; }
.trouble-grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
.trouble-card {
  display: block; border: 2px solid var(--line); border-radius: var(--radius);
  padding: 12px; background: var(--bg);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  color: var(--ink);
}
.trouble-card:hover { border-color: var(--teal); transform: translateY(-2px); box-shadow: var(--shadow); text-decoration: none; color: var(--ink); }
.trouble-card h3 { color: var(--blue-800); margin: 12px 6px 4px; }
.trouble-card p { margin: 0 6px 10px; font-size: 0.92rem; }
.trouble-link { display: block; margin: 0 6px 6px; color: var(--teal-dark); font-weight: 700; font-size: 0.9rem; }
.trouble-img { width: 100%; height: 140px; object-fit: cover; border-radius: 6px; display: block; }

.rubrique-head { display: flex; align-items: center; gap: 14px; }
.rubrique-img { width: 76px; height: 76px; border-radius: 14px; object-fit: cover; box-shadow: var(--shadow); flex-shrink: 0; }
.rubrique-head h2 { margin-bottom: 0; }

.article-list { display: grid; grid-template-columns: 1fr; gap: 10px; }
.article-item {
  display: flex; flex-direction: column; gap: 4px; padding: 14px 16px;
  border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--bg-soft);
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}
.article-item:hover { border-color: var(--teal); background: #fff; transform: translateY(-1px); text-decoration: none; }
.article-title { font-weight: 700; color: var(--blue-800); }
.article-item:hover .article-title { color: var(--teal-dark); }
.article-excerpt { font-size: 0.86rem; color: var(--muted); }

/* ============ Layout 2 colonnes ============ */
.layout-two { display: grid; grid-template-columns: 1fr; gap: 28px; margin-top: 14px; align-items: start; }
.layout-main { min-width: 0; }

/* ============ Sidebar ============ */
.sidebar { display: flex; flex-direction: column; gap: 16px; }
.side-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; background: var(--bg); }
.side-contact { border-top: 4px solid var(--teal); background: var(--bg-soft); }
.side-card h3 { font-size: 1rem; }
.side-links { list-style: none; padding: 0; margin: 0; }
.side-links li { margin-bottom: 8px; }
.side-links.two-cols { columns: 2; column-gap: 14px; }
.side-links.two-cols li { break-inside: avoid; }

/* ============ Article ============ */
.breadcrumb { font-size: 0.85rem; color: var(--muted); margin: 4px 0 20px; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--teal-dark); }
.breadcrumb .current { color: var(--ink); font-weight: 600; }

.article { max-width: 820px; }
.article h1 { margin-bottom: 0.4em; }
.article-meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; }
.badge {
  display: inline-block; background: var(--teal-soft); color: var(--teal-dark);
  font-weight: 700; font-size: 0.78rem; padding: 4px 12px; border-radius: 999px;
  text-transform: uppercase; letter-spacing: 0.06em;
}
.badge a { color: inherit; }
.badge a:hover { color: var(--blue-800); }
.article-date { color: var(--muted); font-size: 0.85rem; }

.article-hero { margin: 0 0 22px; }
.article-hero img {
  width: 100%; max-height: 380px; object-fit: cover;
  border-radius: 12px; box-shadow: var(--shadow); display: block;
}
.article-hero figcaption { font-size: 0.76rem; color: var(--muted); margin-top: 6px; }
.article-hero figcaption a { color: var(--muted); text-decoration: underline; }

.article-content { font-size: 1.03rem; }
.article-content p { margin-bottom: 1.15em; }
.article-content h2 { margin-top: 1.7em; padding-bottom: 8px; border-bottom: 2px solid var(--bg-soft); }
.article-content h3 { margin-top: 1.4em; color: var(--blue-800); }
.article-content h4 { margin-top: 1.2em; color: var(--blue-800); }
.article-content ul, .article-content ol { padding-left: 1.4em; margin-bottom: 1.15em; }
.article-content li { margin-bottom: 0.4em; }
.article-content li::marker { color: var(--teal); }
.article-content strong { color: var(--blue-900); }
.article-content a { text-decoration: underline; text-underline-offset: 2px; }
.article-content a:hover { color: var(--teal-dark); }
.article-content img { border-radius: 10px; }
.article-content table {
  border-collapse: collapse; width: 100%; margin-bottom: 1.3em; font-size: 0.92rem;
  display: block; overflow-x: auto; -webkit-overflow-scrolling: touch;
}
.article-content th, .article-content td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
.article-content th { background: var(--bg-soft); font-weight: 700; }
.article-content blockquote {
  border-left: 4px solid var(--teal); margin: 1.3em 0; padding: 6px 18px;
  background: var(--bg-soft); border-radius: 0 8px 8px 0;
}
.article-content blockquote p:last-child { margin-bottom: 0; }
.article-content hr { border: none; border-top: 1px solid var(--line); margin: 1.6em 0; }

/* Articles liés */
.related { margin-top: 40px; padding-top: 24px; border-top: 2px solid var(--bg-soft); }
.related h2 { font-size: 1.2rem; }

/* ============ Pages index ============ */
.page-index h1 { margin-bottom: 22px; }
.index-grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
.index-card {
  display: flex; gap: 14px; align-items: flex-start;
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 12px; background: var(--bg);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.index-card:hover { border-color: var(--teal); box-shadow: var(--shadow); transform: translateY(-1px); text-decoration: none; }
.index-card-img {
  width: 110px; height: 82px; object-fit: cover; border-radius: 8px; flex-shrink: 0;
}
.index-card-body h2 { font-size: 1rem; margin: 0 0 4px; }
.index-card-body p { color: var(--muted); font-size: 0.86rem; margin: 0; }

/* ============ Pages légales ============ */
.legal-page { max-width: 820px; }
.legal-page h1 { margin-bottom: 0.5em; }
.legal-page h2 { margin-top: 1.6em; }
.legal-page ul, .legal-page ol { padding-left: 1.4em; margin-bottom: 1.1em; }
.legal-page li { margin-bottom: 0.4em; }
.legal-page .lead { margin-bottom: 1.6em; }

.sitemap-list { padding-left: 1.2em; margin-bottom: 1.2em; }
.sitemap-list li { margin-bottom: 6px; }
.sitemap-list.two-cols { columns: 2; column-gap: 26px; }
.sitemap-list.two-cols li { break-inside: avoid; }

/* ============ Placeholders / 404 ============ */
.card-placeholder {
  border: 2px dashed var(--line); border-radius: var(--radius); padding: 28px; background: var(--bg-soft);
}
.placeholder-badge {
  display: inline-block; background: var(--blue-800); color: #fff; font-weight: 700;
  border-radius: 999px; padding: 5px 14px; font-size: 0.85rem; margin-bottom: 12px;
}
.notfound { text-align: center; padding: clamp(50px, 10vw, 90px) 16px; }
.notfound h1 { font-size: clamp(1.8rem, 6vw, 2.6rem); }

/* ============ Footer ============ */
.site-footer { background: var(--blue-900); color: #cfdbe6; margin-top: 60px; }
.footer-grid {
  display: grid; grid-template-columns: 1fr; gap: 30px;
  padding-top: 40px; padding-bottom: 26px;
}
.site-footer h3 { color: #fff; font-size: 1rem; margin-bottom: 14px; }
.site-footer a { color: #bcd8ea; }
.site-footer a:hover { color: #fff; }
.brand-footer { margin-bottom: 14px; }
.brand-footer .brand-text strong { color: #fff; }
.brand-footer .brand-text small { color: #9fb6c9; }
.footer-brand p { font-size: 0.92rem; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 9px; }
.footer-links a { font-size: 0.95rem; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 16px; padding-bottom: 14px;
  font-size: 0.83rem; display: flex; flex-direction: column; gap: 10px;
}
.legal-links { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px 18px; }
.legal-links a { font-size: 0.83rem; }
.footer-disclaimer {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 12px; padding-bottom: 22px;
  font-size: 0.8rem; color: #9fb6c9;
}
.footer-disclaimer a { color: #9fb6c9; }
.footer-disclaimer a:hover { color: #fff; }
.footer-disclaimer p { margin: 0; }

/* ============ Tablette (≥ 600px) ============ */
@media (min-width: 600px) {
  .trouble-grid { grid-template-columns: repeat(2, 1fr); }
  .article-list { grid-template-columns: repeat(2, 1fr); }
  .index-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { flex-direction: row; justify-content: space-between; align-items: center; }
}

/* ============ Desktop (≥ 960px) ============ */
@media (min-width: 960px) {
  :root { --header-h: 72px; }
  body { font-size: 17px; }
  .nav-toggle, .nav-backdrop { display: none !important; }
  .main-nav { display: block; position: static; transform: none; box-shadow: none; padding: 0; width: auto; background: none; flex-direction: row; overflow: visible; }
  .main-nav .nav-list { flex-direction: row; align-items: center; }
  .main-nav .nav-link { font-size: 0.95rem; padding: 9px 12px; }
  .main-nav .nav-cta-li { margin-top: 0; }
  .main-nav .nav-contact { display: none; }
  .trouble-grid { grid-template-columns: repeat(4, 1fr); }
  .layout-two { grid-template-columns: minmax(0, 1fr) 320px; gap: 36px; }
  .sidebar { position: sticky; top: calc(var(--header-h) + 16px); }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; }
  .index-card { flex-direction: column; }
  .index-card-img { width: 100%; height: 130px; }
  .index-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ============ Grand écran (≥ 1280px) ============ */
@media (min-width: 1280px) {
  .article-list { grid-template-columns: repeat(3, 1fr); }
}

/* ============ Accessibilité ============ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}