/* =========================================================
   Mobiles Senior — feuille de style unique, sans framework.
   Priorite : lisibilite, contrastes forts, grandes zones cliquables.
   ========================================================= */

/* --- Polices auto-hebergees (Atkinson Hyperlegible) --- */
@font-face {
  font-family: "Atkinson Hyperlegible";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/atkinson-hyperlegible-400.woff2") format("woff2");
}
@font-face {
  font-family: "Atkinson Hyperlegible";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/assets/fonts/atkinson-hyperlegible-700.woff2") format("woff2");
}
@font-face {
  font-family: "Atkinson Hyperlegible";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/atkinson-hyperlegible-400-italic.woff2") format("woff2");
}
@font-face {
  font-family: "Atkinson Hyperlegible";
  font-style: italic;
  font-weight: 700;
  font-display: swap;
  src: url("/assets/fonts/atkinson-hyperlegible-700-italic.woff2") format("woff2");
}

/* --- Design tokens --- */
:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f6f1e8;
  --color-text: #1a1a1a;
  --color-text-muted: #4a4a4a;
  --color-primary: #0b4f52;
  --color-primary-dark: #073638;
  --color-primary-tint: #e4eeee;
  --color-accent: #b23c0c;
  --color-accent-tint: #fcece1;
  --color-border: #e3ded2;
  --color-focus: #b23c0c;
  --font-base: "Atkinson Hyperlegible", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --max-width: 68rem;
  --radius: 0.5rem;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
}

/* --- Reset minimal --- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-base);
  font-size: 1.1875rem; /* ~19px */
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
}
img { max-width: 100%; height: auto; display: block; }
table { border-collapse: collapse; width: 100%; }
a { color: var(--color-primary); text-decoration-thickness: 2px; text-underline-offset: 3px; }
a:hover { color: var(--color-accent); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}
h1, h2, h3, h4 { line-height: 1.25; color: var(--color-primary-dark); font-weight: 700; }
h1 { font-size: 2.1rem; }
h2 { font-size: 1.6rem; margin-top: 2.5rem; }
h3 { font-size: 1.3rem; margin-top: 2rem; }
p { margin: 1rem 0; }
ul, ol { padding-left: 1.5rem; }
li { margin: 0.4rem 0; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 1rem; top: -4rem;
  background: var(--color-primary); color: #fff;
  padding: 0.75rem 1.25rem; border-radius: var(--radius);
  z-index: 1000; transition: top 0.15s ease-in-out;
  font-weight: 700; text-decoration: none;
}
.skip-link:focus { top: 1rem; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* --- Boutons --- */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--color-primary); color: #fff;
  padding: 0.85rem 1.5rem; border-radius: var(--radius);
  font-weight: 700; font-size: 1.05rem; text-decoration: none;
  border: 2px solid var(--color-primary);
  min-height: 44px;
  cursor: pointer;
}
.btn:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); color: #fff; }
.btn-outline { background: transparent; color: var(--color-primary); }
.btn-outline:hover { background: var(--color-primary-tint); color: var(--color-primary-dark); }

/* --- En-tete / navigation --- */
.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  position: sticky; top: 0; z-index: 100;
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 0.75rem; padding-bottom: 0.75rem;
  gap: 1rem;
}
.logo-link { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; }
.logo-link img { height: 2.5rem; width: auto; }
.logo-text { font-weight: 700; font-size: 1.3rem; color: var(--color-primary-dark); }

.nav-toggle {
  display: none;
  background: var(--color-primary); color: #fff; border: none;
  border-radius: var(--radius); padding: 0.6rem 0.9rem;
  font-size: 1rem; font-weight: 700; cursor: pointer; min-height: 44px;
}

.main-nav ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: 0.25rem;
}
.main-nav a {
  display: inline-block; padding: 0.6rem 0.9rem; border-radius: var(--radius);
  color: var(--color-text); text-decoration: none; font-weight: 700;
}
.main-nav a:hover, .main-nav a[aria-current="page"] {
  background: var(--color-primary-tint); color: var(--color-primary-dark);
}

@media (max-width: 46rem) {
  .nav-toggle { display: inline-flex; align-items: center; gap: 0.4rem; }
  .main-nav {
    display: none;
    width: 100%;
    order: 3;
  }
  .main-nav.is-open { display: block; }
  .main-nav ul { flex-direction: column; padding: 0.5rem 0 1rem; }
  .site-header .container { flex-wrap: wrap; }
}

/* --- Hero --- */
.hero {
  background: var(--color-primary-tint);
  padding: 3rem 0;
  text-align: center;
}
.hero .tag {
  display: inline-block; background: var(--color-accent-tint); color: var(--color-accent);
  font-weight: 700; padding: 0.35rem 0.9rem; border-radius: 999px; font-size: 1rem;
  margin-bottom: 1rem;
}
.hero h1 { font-size: 2.6rem; margin: 0 0 1rem; }
.hero p { font-size: 1.25rem; color: var(--color-text-muted); max-width: 42rem; margin: 0 auto 1.75rem; }

/* --- Sections generiques --- */
.section { padding: 3rem 0; }
.section-alt { background: var(--color-bg-alt); }
.section-header { text-align: center; max-width: 40rem; margin: 0 auto 2rem; }
.section-header h2 { margin-top: 0; }

.pillars {
  display: grid; gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
}
.pillar {
  background: var(--color-bg); border: 1px solid var(--color-border);
  border-radius: var(--radius); padding: 1.75rem; text-align: left;
  box-shadow: var(--shadow);
}
.pillar h3 { margin-top: 0; }
.pillar a { font-weight: 700; }
.pillar-icon {
  display: flex; align-items: center; justify-content: center;
  width: 3rem; height: 3rem; margin-bottom: 1rem;
  border-radius: var(--radius); background: var(--color-primary-tint);
  color: var(--color-primary);
}
.pillar-icon svg { width: 1.6rem; height: 1.6rem; }

/* --- Cartes d'articles --- */
.card-grid {
  display: grid; gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
}
.card {
  border: 1px solid var(--color-border); border-radius: var(--radius);
  background: var(--color-bg); overflow: hidden;
  display: flex; flex-direction: column; box-shadow: var(--shadow);
}
.card-image-link { display: block; background: var(--color-bg-alt); }
.card-image {
  width: 100%; height: 11rem; object-fit: contain; object-position: center;
  background: var(--color-bg-alt); margin: 0; padding: 0.75rem;
}
.card-body {
  padding: 1.5rem; display: flex; flex-direction: column; flex-grow: 1;
}
.card .card-category {
  font-size: 0.9rem; font-weight: 700; color: var(--color-accent);
  text-transform: uppercase; letter-spacing: 0.03em; margin-bottom: 0.4rem;
}
.card h3 { margin-top: 0; font-size: 1.2rem; }
.card p { color: var(--color-text-muted); flex-grow: 1; }
.card .card-meta { font-size: 0.95rem; color: var(--color-text-muted); margin-bottom: 0.5rem; }
.card .card-link { font-weight: 700; text-decoration: none; }

/* --- Fil d'ariane --- */
.breadcrumb {
  font-size: 0.95rem; color: var(--color-text-muted); margin: 1.5rem 0 0.5rem;
}
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb .sep { margin: 0 0.4rem; }

/* --- Article --- */
.article-header { padding: 2rem 0 1rem; }
.article-header h1 { margin-bottom: 0.5rem; }
.article-meta {
  color: var(--color-text-muted); font-size: 1rem;
  display: flex; flex-wrap: wrap; gap: 0.4rem 1rem; margin-bottom: 1.5rem;
}
.article-body { max-width: 46rem; }
.article-body table {
  margin: 1.5rem 0; font-size: 1rem;
}
.article-body th, .article-body td {
  border: 1px solid var(--color-border); padding: 0.6rem 0.75rem; text-align: left;
}
.article-body th { background: var(--color-bg-alt); }
.article-body table { display: block; overflow-x: auto; white-space: normal; }
.article-body img { border-radius: var(--radius); margin: 1.5rem 0; }
.article-body blockquote {
  border-left: 4px solid var(--color-primary); margin: 1.5rem 0; padding: 0.5rem 1.25rem;
  background: var(--color-bg-alt); color: var(--color-text-muted);
}
.article-footer {
  margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--color-border);
}

/* --- FAQ --- */
.faq-list { max-width: 46rem; }
.faq-item {
  border: 1px solid var(--color-border); border-radius: var(--radius);
  margin-bottom: 1rem; background: var(--color-bg);
}
.faq-item summary {
  cursor: pointer; font-weight: 700; font-size: 1.15rem;
  padding: 1.1rem 1.25rem; list-style: none; display: flex; gap: 0.75rem; align-items: baseline;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before {
  content: "+"; color: var(--color-accent); font-size: 1.3rem; font-weight: 700; flex-shrink: 0;
}
.faq-item[open] summary::before { content: "\2212"; }
.faq-item .faq-answer { padding: 0 1.25rem 1.25rem; color: var(--color-text-muted); }

/* --- Formulaires --- */
.form-field { margin-bottom: 1.25rem; display: flex; flex-direction: column; gap: 0.4rem; }
.form-field label { font-weight: 700; }
.form-field input, .form-field textarea {
  font: inherit; padding: 0.75rem; border: 2px solid var(--color-border);
  border-radius: var(--radius); background: #fff; color: var(--color-text);
}
.form-field input:focus, .form-field textarea:focus { border-color: var(--color-primary); }
.form-honeypot { position: absolute; left: -9999px; }
.form-note { color: var(--color-text-muted); font-size: 0.95rem; }

/* --- Placeholder visible --- */
.placeholder { color: var(--color-accent); font-style: italic; }

/* --- Pied de page --- */
.site-footer {
  background: var(--color-primary-dark); color: #eef4f4;
  padding: 3rem 0 1.5rem; margin-top: 3rem;
}
.site-footer a { color: #d7ebea; }
.site-footer a:hover { color: #fff; }
.footer-grid {
  display: grid; gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  margin-bottom: 2rem;
}
.footer-grid h2 { color: #fff; font-size: 1.1rem; margin-top: 0; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin: 0.4rem 0; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.2); padding-top: 1.25rem;
  font-size: 0.95rem; color: #c9dcdb;
  display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; justify-content: space-between;
}

/* --- Page 404 / erreurs --- */
.error-page { text-align: center; padding: 5rem 0; }
.error-page h1 { font-size: 3rem; }