/* TheB2ATeK — Site web — styles spécifiques.
   Tokens importés depuis 08_assets-marque/design-system/colors_and_type.css */

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink-900);
  margin: 0;
}

/* Offset d'ancrage sous la barre sticky (Q1) */
section[id] { scroll-margin-top: 80px; }

.b2a-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--s-7);
}

.b2a-section {
  padding: var(--s-9) 0;
}

/* Skip link (accessibilité clavier) */
.b2a-skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--blue-700);
  color: var(--paper);
  padding: 12px 20px;
  z-index: 1000;
  font-family: var(--font-mono);
  font-size: 13px;
  text-decoration: none;
}
.b2a-skip-link:focus {
  left: 16px;
  top: 16px;
}

/* Focus visible — accessibilité */
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--blue-700);
  outline-offset: 2px;
}

/* Boutons */
.b2a-btn {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--fs-2);
  padding: 12px 20px;
  min-height: 44px;
  border: 1px solid var(--blue-700);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  transition: transform var(--dur-ui) var(--ease),
              box-shadow var(--dur-ui) var(--ease),
              background var(--dur-ui) var(--ease);
  border-radius: 0;
  text-decoration: none;
  color: inherit;
  background-image: none;
}
.b2a-btn-primary {
  background: var(--blue-700); color: var(--paper);
  box-shadow: var(--shadow-hard);
  border-color: var(--blue-700);
}
.b2a-btn-primary:hover {
  transform: translate(2px, 2px);
  box-shadow: var(--shadow-hard-sm);
}
.b2a-btn-primary:active {
  transform: translate(4px, 4px);
  box-shadow: 0 0 0 0 var(--amber-500);
}
.b2a-btn-primary:disabled {
  opacity: .5;
  cursor: not-allowed;
  transform: none;
}
.b2a-btn-ghost {
  background: transparent;
  box-shadow: none;
  color: var(--blue-700);
  border-color: var(--blue-700);
}
.b2a-btn-ghost:hover {
  background: var(--blue-700);
  color: var(--paper);
}
.b2a-btn-sm { font-size: 14px; padding: 8px 14px; min-height: 40px; box-shadow: 2px 2px 0 0 var(--amber-500); }
.b2a-btn-sm.b2a-btn-primary:hover { box-shadow: 1px 1px 0 0 var(--amber-500); }

/* Eyebrow label */
.b2a-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist-500);
  margin: 0 0 var(--s-4);
}

/* Animations */
@keyframes b2a-pulse-1 { 0%,100%{opacity:1} 50%{opacity:.25} }
@keyframes b2a-pulse-2 { 0%,100%{opacity:.55} 50%{opacity:1} }
@keyframes b2a-pulse-3 { 0%,100%{opacity:.25} 50%{opacity:1} }
@keyframes b2a-fade-in { from { opacity: 0 } to { opacity: 1 } }

.b2a-working-dot-1 { animation: b2a-pulse-1 1.6s infinite ease-in-out; }
.b2a-working-dot-2 { animation: b2a-pulse-2 1.6s infinite ease-in-out .2s; }
.b2a-working-dot-3 { animation: b2a-pulse-3 1.6s infinite ease-in-out .4s; }

@media (prefers-reduced-motion: reduce) {
  .b2a-working-dot-1, .b2a-working-dot-2, .b2a-working-dot-3 { animation: none; }
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

/* ============================================================
   Reveal au scroll (A1) + stagger (A2)
   ============================================================ */
.b2a-reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 520ms var(--ease), transform 520ms var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}
.b2a-reveal.b2a-reveal-in {
  opacity: 1;
  transform: translateY(0);
}

/* Accordéon FAQ animé (A5) */
.b2a-faq-panel {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition: grid-template-rows 280ms var(--ease), opacity 240ms var(--ease);
}
.b2a-faq-panel.open {
  grid-template-rows: 1fr;
  opacity: 1;
}
.b2a-faq-panel > div { overflow: hidden; }

/* Modale : apparition depuis la source (A6) */
@keyframes b2a-modal-in {
  from { opacity: 0; transform: scale(.96); }
  to   { opacity: 1; transform: scale(1); }
}

/* Bouton retour en haut (D6) */
.b2a-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--amber-500);
  color: var(--paper);
  border: 1px solid var(--amber-900);
  box-shadow: 3px 3px 0 0 var(--amber-900);
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 240ms var(--ease), transform 240ms var(--ease), box-shadow var(--dur-ui) var(--ease);
}
.b2a-to-top.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.b2a-to-top:hover { transform: translate(1px, 1px); box-shadow: 2px 2px 0 0 var(--amber-900); }
.b2a-to-top:active { transform: translate(3px, 3px); box-shadow: 0 0 0 0 var(--amber-900); }

/* Soulignement actif animé dans la nav (D1) */
.b2a-link {
  color: inherit;
  text-decoration: none;
  background-image: linear-gradient(var(--amber-500), var(--amber-500));
  background-position: 0 100%;
  background-repeat: no-repeat;
  background-size: 0% 2px;
  transition: background-size var(--dur-trans) var(--ease);
  padding-bottom: 2px;
}
.b2a-link:hover { background-size: 100% 2px; }
.b2a-link-active { background-size: 100% 2px; }

/* Sous-menu déroulant de la nav (Offres / Services) */
.b2a-dropdown-item {
  display: block;
  padding: 10px 12px;
  font-size: 14px;
  color: var(--ink-900);
  text-decoration: none;
}
.b2a-dropdown-item:hover,
.b2a-dropdown-item:focus-visible {
  background: var(--paper-200);
}

/* Lift du panneau Hero au survol (A4) */
.b2a-hero-panel {
  transition: transform var(--dur-trans) var(--ease), box-shadow var(--dur-trans) var(--ease);
}
.b2a-hero-panel:hover {
  transform: translate(-2px, -2px);
  box-shadow: 10px 10px 0 0 var(--blue-700), 16px 16px 0 0 var(--amber-500);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .b2a-reveal { opacity: 1; transform: none; transition: none; }
  .b2a-faq-panel { transition: none; }
  .b2a-hero-panel { transition: none; }
  .b2a-to-top { transition: opacity 0.01ms; }
}

/* Bouton menu mobile + son panneau : masqués par défaut (desktop),
   révélés sous le point de rupture 960px (voir media query ci-dessous). */
.b2a-mobile-row { display: none; }

/* Responsive — mobile first adjustments */
@media (max-width: 960px) {
  .b2a-container { padding: 0 var(--s-5); }
  .b2a-grid-2 { grid-template-columns: 1fr !important; }
  .b2a-grid-3 { grid-template-columns: 1fr !important; }
  .b2a-grid-4 { grid-template-columns: repeat(2, 1fr) !important; }
  .b2a-nav-links { display: none !important; }
  .b2a-mobile-row { display: block; }
}

@media (max-width: 560px) {
  .b2a-grid-4 { grid-template-columns: 1fr !important; }
}