/* ============================================
   Coach Brevet Fed — Guides (articles SEO)
   Styles communs à tous les guides /guides/*.html
   ============================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --accent-light: #dbeafe;
  --text: #0f172a;
  --text-muted: #475569;
  --text-soft: #64748b;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --bg-card: #ffffff;
  --border: #e2e8f0;
  --border-soft: #f1f5f9;
  --warning-bg: #fffbeb;
  --warning-border: #f59e0b;
  --warning-text: #92400e;
  --info-bg: #eff6ff;
  --info-border: #3b82f6;
  --info-text: #1e40af;
  --success-bg: #ecfdf5;
  --success-border: #10b981;
  --success-text: #065f46;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--accent); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent-dark); }

/* === NAV === */
.guide-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
}
.guide-nav-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.guide-nav-logo {
  font-weight: 800;
  font-size: 16px;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.guide-nav-logo:hover { color: var(--accent); }
.guide-nav-links {
  display: flex;
  gap: 22px;
  align-items: center;
  font-size: 14px;
}
.guide-nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
}
.guide-nav-links a:hover { color: var(--accent); }
.guide-nav-links a.btn {
  background: var(--accent);
  color: white;
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 600;
}
.guide-nav-links a.btn:hover { background: var(--accent-dark); }

/* === HEADER ARTICLE === */
.guide-header {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 24px 32px;
}
.guide-breadcrumb {
  font-size: 13px;
  color: var(--text-soft);
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}
.guide-breadcrumb a {
  color: var(--text-soft);
  text-decoration: none;
}
.guide-breadcrumb a:hover { color: var(--accent); }
.guide-breadcrumb-sep { margin: 0 8px; opacity: 0.5; }
.guide-tag {
  display: inline-block;
  background: var(--accent-light);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.guide-h1 {
  font-size: 42px;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-bottom: 18px;
}
.guide-h1 .accent { color: var(--accent); }
.guide-lead {
  font-size: 20px;
  line-height: 1.55;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.guide-meta {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--text-soft);
  padding: 14px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.guide-meta span { display: inline-flex; align-items: center; gap: 6px; }

/* === SOMMAIRE === */
.guide-toc {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}
.guide-toc-box {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px 26px;
  margin: 32px 0;
}
.guide-toc-title {
  font-size: 12px;
  font-weight: 800;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 14px;
}
.guide-toc-list {
  margin: 0;
  padding-left: 22px;
  font-size: 15px;
  line-height: 2;
}
.guide-toc-list li { color: var(--text-muted); }
.guide-toc-list a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.15s;
}
.guide-toc-list a:hover { color: var(--accent); text-decoration: underline; }

/* === CONTENU ARTICLE === */
.guide-content {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px 40px;
}
.guide-content h2 {
  font-size: 30px;
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--text);
  margin: 56px 0 18px;
  scroll-margin-top: 80px;
}
.guide-content h3 {
  font-size: 22px;
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 36px 0 14px;
  scroll-margin-top: 80px;
}
.guide-content h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin: 26px 0 10px;
}
.guide-content p {
  margin-bottom: 18px;
  color: var(--text);
}
.guide-content p:last-child { margin-bottom: 0; }
.guide-content strong { font-weight: 700; color: var(--text); }
.guide-content em { font-style: italic; }
.guide-content ul, .guide-content ol {
  margin: 0 0 22px;
  padding-left: 28px;
}
.guide-content li {
  margin-bottom: 8px;
  color: var(--text);
}
.guide-content li::marker { color: var(--accent); }
.guide-content code {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 2px 7px;
  border-radius: 5px;
  font-size: 14px;
  font-family: "SF Mono", Monaco, Consolas, "Liberation Mono", monospace;
  color: var(--text);
}

/* === Tables === */
.guide-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 15px;
  background: var(--bg-card);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.guide-content th,
.guide-content td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.guide-content th {
  background: var(--bg-alt);
  font-weight: 700;
  color: var(--text);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.guide-content tr:last-child td { border-bottom: 0; }

/* === Encarts === */
.guide-callout {
  margin: 28px 0;
  padding: 18px 22px;
  border-radius: 10px;
  border-left: 4px solid;
}
.guide-callout-title {
  font-weight: 700;
  margin-bottom: 6px;
  font-size: 15px;
}
.guide-callout p { margin-bottom: 0; font-size: 15px; }
.guide-callout p + p { margin-top: 10px; }

.guide-callout-info {
  background: var(--info-bg);
  border-left-color: var(--info-border);
  color: var(--info-text);
}
.guide-callout-info .guide-callout-title { color: var(--info-text); }

.guide-callout-warn {
  background: var(--warning-bg);
  border-left-color: var(--warning-border);
  color: var(--warning-text);
}
.guide-callout-warn .guide-callout-title { color: var(--warning-text); }

.guide-callout-source {
  background: var(--bg-alt);
  border-left-color: var(--text-soft);
  color: var(--text-muted);
  font-size: 14px;
}
.guide-callout-source .guide-callout-title {
  color: var(--text);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.guide-callout-source p { font-size: 14px; }
.guide-callout-source a { color: var(--accent); }

/* === CTA App === */
.guide-cta {
  margin: 64px auto 0;
  max-width: 760px;
  padding: 38px 28px;
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  border-radius: 16px;
  color: white;
  text-align: center;
}
.guide-cta h3 {
  color: white;
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.guide-cta p {
  color: rgba(255,255,255,0.92);
  font-size: 16px;
  margin-bottom: 22px;
}
.guide-cta-btn {
  display: inline-block;
  background: white;
  color: var(--accent);
  padding: 14px 32px;
  border-radius: 10px;
  font-weight: 700;
  text-decoration: none;
  font-size: 16px;
  transition: transform 0.15s;
}
.guide-cta-btn:hover {
  color: var(--accent-dark);
  transform: translateY(-1px);
}

/* === "Voir aussi" === */
.guide-related {
  max-width: 760px;
  margin: 56px auto 0;
  padding: 0 24px;
}
.guide-related h3 {
  font-size: 13px;
  font-weight: 800;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.guide-related-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  list-style: none;
  padding: 0;
}
.guide-related-list a {
  display: block;
  padding: 18px 20px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  text-decoration: none;
  color: var(--text);
  transition: all 0.15s;
}
.guide-related-list a:hover {
  border-color: var(--accent);
  background: var(--info-bg);
}
.guide-related-tag {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 6px;
}
.guide-related-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.35;
}

/* === FOOTER === */
.guide-footer {
  margin-top: 80px;
  padding: 40px 24px;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.7;
}
.guide-footer-links {
  margin-bottom: 14px;
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}
.guide-footer-links a {
  color: var(--text-muted);
  text-decoration: none;
}
.guide-footer-links a:hover { color: var(--accent); }
.guide-footer-disclaimer {
  max-width: 760px;
  margin: 14px auto 0;
  font-size: 12px;
  color: var(--text-soft);
}

/* === RESPONSIVE === */
@media (max-width: 720px) {
  body { font-size: 16px; }
  .guide-h1 { font-size: 32px; }
  .guide-lead { font-size: 17px; }
  .guide-content h2 { font-size: 24px; margin: 44px 0 14px; }
  .guide-content h3 { font-size: 19px; margin: 30px 0 12px; }
  .guide-content table { font-size: 14px; }
  .guide-content th, .guide-content td { padding: 10px 12px; }
  .guide-toc-box { padding: 18px 20px; }
  .guide-cta { padding: 30px 22px; }
  .guide-cta h3 { font-size: 20px; }
  .guide-related-list { grid-template-columns: 1fr; }
  .guide-nav-inner { padding: 12px 16px; gap: 12px; }
  .guide-nav-links { gap: 14px; font-size: 13px; }
  .guide-header, .guide-toc, .guide-content, .guide-related { padding-left: 16px; padding-right: 16px; }
}

/* === Index des guides (page /guides/index.html) === */
.guides-index-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin: 32px 0;
}
.guides-index-card {
  display: block;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-decoration: none;
  color: var(--text);
  transition: all 0.15s;
}
.guides-index-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.08);
}
.guides-index-card-tag {
  display: inline-block;
  background: var(--accent-light);
  color: var(--accent-dark);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.guides-index-card h2 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
  color: var(--text);
}
.guides-index-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}
@media (max-width: 720px) {
  .guides-index-grid { grid-template-columns: 1fr; }
}