/* ================================================
   GUIDE BONNES PRATIQUES INFORMATIQUES — Styles
   ================================================ */

*, *::before, *::after { box-sizing: border-box; }

:root {
  --navy:   #1a2b4a;
  --rouge:  #c0392b;
  --bleu:   #2980b9;
  --blue:   #0c75ea;
  --gris:   #f4f6f8;
  --texte:  #2c3e50;
  --doux:   #7f8c8d;
  --blanc:  #ffffff;
  --ombre:  0 2px 12px rgba(0,0,0,.10);
  --radius: 8px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  font-size: 15px;
  color: var(--texte);
  background: var(--gris);
  margin: 0;
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Bandeau haut ───────────────────────────── */
.site-header {
  background: var(--blue);
  color: var(--blanc);
  padding: 40px 24px 40px;
  text-align: center;
  max-height: 200px;
}
.site-header .source {
  display: inline-block;
  background: var(--blanc);
  color: var(--navy);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 4px 12px;
  border: 1px solid var(--rouge);
  border-radius: 20px;
  margin-bottom: 16px;
}
.site-header h1 {
  font-size: clamp(22px, 4vw, 38px);
  font-weight: 800;
  margin: 0 0 12px;
  line-height: 1.2;
}
.site-header p {
  font-size: 16px;
  color: rgba(255,255,255,.75);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ── Menu navigation étiquettes ────────────── */
.nav-menu {

  padding: 10px 24px;
}
.nav-menu-liste {
  display: flex;
  flex-direction: column;
  gap: 6px;
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 180px;
}
.nav-etiquette {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 13px;
  border: 1px solid var(--navy);
  border-radius: 20px;
  background: var(--blanc);
  color: var(--navy);
  font-size: 12.5px;
  font-weight: 600;
  white-space: nowrap;
  line-height: 1.3;
  transition: background .15s, color .15s;
}
.nav-etiquette:hover {
  background: var(--navy);
  color: var(--blanc);
  text-decoration: none;
}
@media (max-width: 600px) {
  .nav-menu { padding: 10px 12px; }
  .nav-etiquette { font-size: 11.5px; padding: 4px 10px; }
}

/* ── Grille des 12 points ───────────────────── */
.grille-section {
  max-width: 1500px;
  margin: 0 auto;
  padding: 40px 24px 64px;
}
.grille-section > h2 {
  text-align: center;
  font-size: 18px;
  font-weight: 700;

  text-transform: uppercase;
  color: var(--rouge);
  margin: 0 0 30px;
}

.grille {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}

/* ── Carte ───────────────────────────────────── */
.carte {
  background: var(--blanc);
  border-radius: var(--radius);
  box-shadow: var(--ombre);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform .18s, box-shadow .18s;
}
.carte:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(0,0,0,.14);
}

.carte-haut {
  background: var(--navy);
  padding: 20px 20px 14px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.carte-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  flex-shrink: 0;
}
.carte-icone {
  font-size: 24px;
  line-height: 1;
}
.carte-numero {
  font-size: 28px;
  font-weight: 900;
  color: rgba(255,255,255,.25);
  line-height: 1;
}
.carte-titre {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--blanc);
  line-height: 1.35;
  margin: 0;
}
.carte-titre a {
  color: var(--blanc);
}
.carte-titre a:hover {
  color: #aecff5;
  text-decoration: none;
}

.carte-corps {
  padding: 14px 18px 18px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.carte-desc {
  font-size: 13px;
  color: var(--doux);
  line-height: 1.55;
  margin: 0;
  flex: 1;
}
.carte-lien {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--bleu);
}
.carte-lien:hover { color: var(--rouge); text-decoration: none; }
.carte-lien::after { content: '→'; }

/* ── Layout sidebar + contenu ───────────────── */
.detail-body {
  display: flex;
  align-items: flex-start;
}
.detail-sidebar {
  width: 210px;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  max-height: 100vh;
  overflow-y: auto;
}
.detail-sidebar .nav-menu {
  border-bottom: none;
  padding: 16px 12px;
  min-height: 100vh;
}
.detail-sidebar .nav-menu-liste {
  max-width: none;
}
.detail-body .detail-contenu {
  flex: 1;
  min-width: 0;
}
@media (max-width: 768px) {
  .detail-body { flex-direction: column; }
  .detail-sidebar { width: 100%; position: static; max-height: none; }
  .detail-sidebar .nav-menu { border-right: none; border-bottom: 1px solid #dde3ea; min-height: auto; padding: 10px 12px; }
  .detail-sidebar .nav-menu-liste { flex-direction: row; flex-wrap: wrap; }
}

/* ── Pages de détail ────────────────────────── */
.detail-header {
  background: var(--navy);
  color: var(--blanc);
  padding: 32px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.detail-header a.retour {
  color: rgba(255,255,255,.7);
  font-size: 13px;
  white-space: nowrap;
}
.detail-header a.retour:hover { color: #fff; text-decoration: none; }
.detail-header a.retour::before { content: '← '; }
.detail-header .sep { color: rgba(255,255,255,.3); }
.detail-numero-badge {
  background: var(--rouge);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 20px;
  white-space: nowrap;
}

.detail-hero {
  background: linear-gradient(135deg, var(--navy) 0%, #2c4a7c 100%);
  color: var(--blanc);
  padding: 16px 24px;
  text-align: center;
}
.detail-hero .hero-icone { font-size: 52px; margin-bottom: 16px; }
.detail-hero h1 {
  font-size: clamp(20px, 3.5vw, 32px);
  font-weight: 800;
  margin: 0 0 14px;
  line-height: 1.25;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}
.detail-hero p {
  font-size: 16px;
  color: rgba(255,255,255,.8);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

.detail-contenu {
  max-width: 780px;
  margin: 0 auto;
  padding: 48px 24px 64px;
}

.detail-section {
  margin-bottom: 32px;
}
.detail-section h2 {
  font-size: 17px;
  font-weight: 700;
  color: var(--navy);
  border-left: 4px solid var(--rouge);
  padding-left: 12px;
  margin: 0 0 14px;
}
.detail-section p {
  color: var(--texte);
  line-height: 1.7;
  margin: 0 0 10px;
}
.detail-section ul {
  margin: 0;
  padding-left: 20px;
}
.detail-section ul li {
  color: var(--texte);
  line-height: 1.65;
  margin-bottom: 8px;
}
.detail-section ul li strong { color: var(--navy); }

.alerte-box {
  background: #fff3f3;
  border: 1px solid #f5b7b1;
  border-left: 4px solid var(--rouge);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-top: 24px;
}
.alerte-box p { margin: 0; font-size: 14px; color: #922b21; }
.alerte-box strong { color: var(--rouge); }

.conseil-box {
  background: #eaf4fb;
  border: 1px solid #aed6f1;
  border-left: 4px solid var(--bleu);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-top: 24px;
}
.conseil-box p { margin: 0; font-size: 14px; color: #1a5276; }

/* ── Navigation bas de page détail ─────────── */
.detail-nav {
  border-top: 1px solid #e0e0e0;
  max-width: 780px;
  margin: 0 auto;
  padding: 24px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
.detail-nav a {
  font-size: 13px;
  font-weight: 700;
  color: var(--navy);
  padding: 8px 16px;
  border: 1px solid #ccc;
  border-radius: 6px;
  transition: background .15s;
}
.detail-nav a:hover { background: var(--navy); color: #fff; text-decoration: none; }
.detail-nav a.prev::before { content: '← '; }
.detail-nav a.next::after  { content: ' →'; }
.detail-nav a.accueil { margin: 0 auto; }

/* ── Footer ─────────────────────────────────── */
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,.55);
  text-align: center;
  padding: 24px;
  font-size: 12.5px;
}
.site-footer strong { color: rgba(255,255,255,.85); }
.site-footer a { color: #ffffff; text-decoration: none; }
.site-footer a:hover { color: #ffffff; text-decoration: underline; }


/* ── Responsive ─────────────────────────────── */
@media (max-width: 1024px) {
  .grille { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 720px) {
  .grille { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .grille { grid-template-columns: 1fr; }
  .detail-nav { flex-direction: column; align-items: center; }
}