/* ============================================================
 * DP UI Pack — 00 Design System
 * Variables + reset minimal + composants partagés.
 * Tous les autres fichiers CSS du pack DOIVENT consommer ces variables.
 * ============================================================ */

:root {
  /* Palette */
  --dp-primary: #ef4444;
  --dp-primary-dark: #dc2626;
  --dp-primary-light: #fca5a5;
  --dp-primary-soft: rgba(239, 68, 68, 0.08);
  --dp-accent: #f59e0b;
  --dp-success: #10b981;

  --dp-bg: #ffffff;
  --dp-bg-soft: #f8fafc;
  --dp-bg-mid: #f1f5f9;
  --dp-bg-dark: #0f172a;
  --dp-bg-darker: #020617;
  --dp-bg-card-dark: #1e293b;

  --dp-text: #1e293b;
  --dp-text-soft: #475569;
  --dp-text-muted: #64748b;
  --dp-text-on-dark: #e2e8f0;
  --dp-text-on-dark-muted: #94a3b8;
  --dp-text-strong: #0f172a;

  --dp-border: rgba(15, 23, 42, 0.08);
  --dp-border-strong: rgba(15, 23, 42, 0.16);
  --dp-border-on-dark: rgba(255, 255, 255, 0.08);

  /* Typographie */
  --dp-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, "Helvetica Neue", Arial, sans-serif;
  --dp-font-h: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;

  /* Espacements */
  --dp-gap-xs: 0.4rem;
  --dp-gap-sm: 0.8rem;
  --dp-gap-md: 1.5rem;
  --dp-gap-lg: 2.5rem;
  --dp-gap-xl: 4rem;

  /* Radius */
  --dp-radius-xs: 4px;
  --dp-radius-sm: 8px;
  --dp-radius: 12px;
  --dp-radius-lg: 20px;
  --dp-radius-pill: 999px;

  /* Ombres */
  --dp-shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --dp-shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 2px 6px rgba(15, 23, 42, 0.04);
  --dp-shadow: 0 4px 12px rgba(15, 23, 42, 0.06), 0 8px 24px rgba(15, 23, 42, 0.04);
  --dp-shadow-lg: 0 10px 30px rgba(15, 23, 42, 0.08), 0 20px 60px rgba(15, 23, 42, 0.06);
  --dp-shadow-red: 0 8px 24px rgba(239, 68, 68, 0.25);

  /* Transitions */
  --dp-tr-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --dp-tr: 0.25s cubic-bezier(0.4, 0, 0.2, 1);

  /* Container */
  --dp-container: 1280px;
  --dp-container-narrow: 920px;
}

/* ============================================================
 * Composants partagés (préfixe .dp-)
 * Utilisables par TOUS les fichiers CSS du pack.
 * ============================================================ */

.dp-section {
  padding: var(--dp-gap-xl) var(--dp-gap-md);
  position: relative;
}
.dp-section--narrow { padding: var(--dp-gap-lg) var(--dp-gap-md); }
.dp-section--soft { background: var(--dp-bg-soft); }
.dp-section--dark { background: var(--dp-bg-dark); color: var(--dp-text-on-dark); }
.dp-section__inner { max-width: var(--dp-container); margin: 0 auto; }
.dp-section__inner--narrow { max-width: var(--dp-container-narrow); margin: 0 auto; }

.dp-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--dp-primary);
  margin-bottom: 0.6rem;
}
.dp-eyebrow::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--dp-primary);
  border-radius: 2px;
}

.dp-title {
  font-family: var(--dp-font-h);
  font-size: clamp(1.6rem, 2.4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--dp-text-strong);
  line-height: 1.2;
  margin: 0 0 0.6rem;
}
.dp-subtitle {
  color: var(--dp-text-soft);
  font-size: 1.05rem;
  margin: 0 0 var(--dp-gap-md);
  line-height: 1.6;
}

.dp-card {
  background: var(--dp-bg);
  border: 1px solid var(--dp-border);
  border-radius: var(--dp-radius);
  padding: var(--dp-gap-md);
  transition: transform var(--dp-tr), box-shadow var(--dp-tr), border-color var(--dp-tr);
  box-shadow: var(--dp-shadow-xs);
}
.dp-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--dp-shadow);
  border-color: var(--dp-primary-light);
}

.dp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  font-family: var(--dp-font);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none !important;
  border-radius: var(--dp-radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--dp-tr-fast), box-shadow var(--dp-tr-fast), background var(--dp-tr-fast), color var(--dp-tr-fast);
  white-space: nowrap;
}
.dp-btn--primary {
  background: linear-gradient(135deg, var(--dp-primary) 0%, var(--dp-primary-dark) 100%);
  color: #fff !important;
  box-shadow: var(--dp-shadow-red);
}
.dp-btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(239, 68, 68, 0.35);
}
.dp-btn--ghost {
  background: transparent;
  color: var(--dp-primary) !important;
  border-color: var(--dp-primary);
}
.dp-btn--ghost:hover {
  background: var(--dp-primary);
  color: #fff !important;
}
.dp-btn--dark {
  background: var(--dp-bg-dark);
  color: #fff !important;
}
.dp-btn--lg { padding: 1rem 2rem; font-size: 1rem; }

.dp-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.7rem;
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--dp-primary-soft);
  color: var(--dp-primary-dark);
  border-radius: var(--dp-radius-pill);
  letter-spacing: 0.02em;
}

.dp-callout {
  border-left: 4px solid var(--dp-primary);
  background: var(--dp-primary-soft);
  padding: 1rem 1.2rem;
  border-radius: 0 var(--dp-radius-sm) var(--dp-radius-sm) 0;
  margin: 1.2rem 0;
  color: var(--dp-text);
}
.dp-callout--accent { border-color: var(--dp-accent); background: rgba(245, 158, 11, 0.08); }
.dp-callout--success { border-color: var(--dp-success); background: rgba(16, 185, 129, 0.08); }

.dp-divider {
  border: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--dp-border-strong) 50%, transparent 100%);
  margin: var(--dp-gap-lg) 0;
}

/* ============================================================
 * Sommaire auto-généré (cf. 01-toc.js)
 * ============================================================ */
.dp-toc {
  background: linear-gradient(135deg, #fff 0%, var(--dp-bg-soft) 100%);
  border: 1px solid var(--dp-border);
  border-radius: var(--dp-radius);
  padding: 1.2rem 1.4rem;
  margin: 1.5rem 0 2rem;
  box-shadow: var(--dp-shadow-sm);
  position: relative;
  overflow: hidden;
}
.dp-toc::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--dp-primary) 0%, var(--dp-accent) 100%);
}
.dp-toc__title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem !important;
  font-weight: 700 !important;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--dp-text-muted) !important;
  margin: 0 0 0.8rem !important;
}
.dp-toc__title::before { content: "📑"; font-size: 1rem; }
.dp-toc__list { list-style: none !important; padding: 0 !important; margin: 0 !important; columns: 2; column-gap: 1.5rem; }
.dp-toc__list li { margin: 0 0 0.4rem !important; padding: 0 !important; break-inside: avoid; }
.dp-toc__list a {
  display: block;
  font-size: 0.92rem;
  color: var(--dp-text-soft) !important;
  text-decoration: none !important;
  padding: 0.3rem 0.5rem;
  border-radius: var(--dp-radius-xs);
  transition: background var(--dp-tr-fast), color var(--dp-tr-fast);
  position: relative;
  padding-left: 1.2rem;
}
.dp-toc__list a::before {
  content: "›";
  position: absolute;
  left: 0.4rem;
  color: var(--dp-primary);
  font-weight: 700;
  transition: transform var(--dp-tr-fast);
}
.dp-toc__list a:hover {
  background: var(--dp-primary-soft);
  color: var(--dp-primary-dark) !important;
}
.dp-toc__list a:hover::before { transform: translateX(2px); }
.dp-toc__list .dp-toc--h3 { padding-left: 2rem; font-size: 0.85rem; opacity: 0.85; }
.dp-toc__list .dp-toc--h3::before { left: 1.2rem; content: "•"; }

@media (max-width: 720px) {
  .dp-toc__list { columns: 1; }
}

/* ============================================================
 * Sticky CTA bar mobile (utilisé par 19-header.css si pertinent)
 * ============================================================ */
.dp-sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: none;
  z-index: 9999;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.95) 0%, rgba(2, 6, 23, 0.98) 100%);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0.6rem 0.8rem;
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.2);
  gap: 0.5rem;
  border-top: 1px solid rgba(239, 68, 68, 0.3);
}
.dp-sticky-cta a {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 0.5rem;
  border-radius: var(--dp-radius-pill);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none !important;
}
.dp-sticky-cta a.dp-sticky-cta__call {
  background: linear-gradient(135deg, var(--dp-primary) 0%, var(--dp-primary-dark) 100%);
  color: #fff !important;
}
.dp-sticky-cta a.dp-sticky-cta__quote {
  background: rgba(255, 255, 255, 0.1);
  color: #fff !important;
  border: 1px solid rgba(255, 255, 255, 0.2);
}
@media (max-width: 768px) {
  .dp-sticky-cta { display: flex; }
  body { padding-bottom: 70px; }
}

/* ============================================================
 * Tel-autolink visual feedback (cf. 02-tel-link.js)
 * ============================================================ */
a[href^="tel:"].dp-tel-auto {
  color: var(--dp-primary-dark);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px dashed var(--dp-primary);
  transition: color var(--dp-tr-fast), border-color var(--dp-tr-fast);
}
a[href^="tel:"].dp-tel-auto:hover {
  color: var(--dp-primary);
  border-color: transparent;
}
a[href^="tel:"].dp-tel-auto::before {
  content: "📞 ";
  margin-right: 0.2rem;
}

/* Désactive le ::before icon si déjà dans un contexte avec icône */
.dp-no-tel-icon a[href^="tel:"].dp-tel-auto::before { content: ""; margin: 0; }