/* Charte AMGBuziNes — styles + motion */
:root {
  --primary-blue: #1c3b6f;
  --accent-gold: #d4af37;
  --dark-gold: #8a6d25;
  --bg-light: #f4f6f9;
  --text-dark: #111827;
  --border-color: #e5e7eb;
  --bg-dark: #0b1b35;
  --font-heading: "Montserrat", sans-serif;
  --font-body: "Inter", sans-serif;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: var(--font-body);
  color: var(--text-dark);
}

h1,
h2,
h3,
h4,
.font-display {
  font-family: var(--font-heading);
}

.brand-gradient {
  background: linear-gradient(
    145deg,
    #0b1b35 0%,
    #1c3b6f 55%,
    #254a8a 100%
  );
}

/* Logos marque — anti-téléchargement / anti-glisser */
.brand-logo,
img[src*="logo-mark"],
img[src*="logo-full"],
img[src*="logo.svg"] {
  -webkit-user-drag: none;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  pointer-events: none;
}

.brand-mesh {
  /* Couleur solide d’abord (Chrome / cache CSS) */
  background-color: #0b1b35 !important;
  background-image:
    radial-gradient(ellipse 80% 60% at 20% 10%, rgba(212, 175, 55, 0.18), transparent 55%),
    radial-gradient(ellipse 70% 50% at 90% 80%, rgba(37, 74, 138, 0.45), transparent 50%),
    linear-gradient(160deg, #0b1b35 0%, #1c3b6f 55%, #254a8a 100%) !important;
  background-repeat: no-repeat;
  background-size: 120% 120%, 140% 140%, 100% 100%;
  animation: mesh-drift 18s cubic-bezier(0.4, 0, 0.2, 1) infinite alternate;
}

@keyframes mesh-drift {
  from {
    background-position: 0% 40%, 100% 60%, 0 0;
  }
  to {
    background-position: 30% 10%, 70% 90%, 0 0;
  }
}

/* —— Hero entrance —— */
.hero-logo {
  opacity: 0;
  transform: translateY(28px) scale(0.94);
  animation: hero-rise 0.9s var(--ease-out) 0.15s forwards;
}

.hero-title {
  opacity: 0;
  transform: translateY(22px);
  animation: hero-rise 0.85s var(--ease-out) 0.35s forwards;
}

.hero-lead {
  opacity: 0;
  transform: translateY(18px);
  animation: hero-rise 0.85s var(--ease-out) 0.5s forwards;
}

.hero-cta {
  opacity: 0;
  transform: translateY(16px);
  animation: hero-rise 0.85s var(--ease-out) 0.65s forwards;
}

@keyframes hero-rise {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.hero-logo-float {
  display: inline-block;
  animation: logo-float 5.5s ease-in-out 1.2s infinite;
}

@keyframes logo-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.hero-glow {
  position: absolute;
  width: 42rem;
  height: 42rem;
  border-radius: 9999px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.22) 0%, transparent 68%);
  filter: blur(8px);
  pointer-events: none;
  animation: glow-pulse 6s ease-in-out infinite;
}

@keyframes glow-pulse {
  0%,
  100% {
    opacity: 0.45;
    transform: scale(1);
  }
  50% {
    opacity: 0.85;
    transform: scale(1.08);
  }
}

/* —— Scroll reveal —— */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.7s var(--ease-out),
    transform 0.7s var(--ease-out);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 {
  transition-delay: 0.1s;
}
.reveal-delay-2 {
  transition-delay: 0.2s;
}
.reveal-delay-3 {
  transition-delay: 0.3s;
}
.reveal-delay-4 {
  transition-delay: 0.4s;
}

.reveal-left {
  opacity: 0;
  transform: translateX(-32px);
  transition:
    opacity 0.75s var(--ease-out),
    transform 0.75s var(--ease-out);
}

.reveal-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(32px);
  transition:
    opacity 0.75s var(--ease-out),
    transform 0.75s var(--ease-out);
}

.reveal-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* —— Interactive —— */
.lift {
  transition:
    transform 0.35s var(--ease-out),
    box-shadow 0.35s var(--ease-out),
    border-color 0.35s var(--ease-out);
}

.lift:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px -20px rgba(28, 59, 111, 0.35);
}

.btn-shine {
  position: relative;
  overflow: hidden;
}

.btn-shine::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 40%,
    rgba(255, 255, 255, 0.35) 50%,
    transparent 60%
  );
  transform: translateX(-120%);
  transition: transform 0.6s var(--ease-out);
}

.btn-shine:hover::after {
  transform: translateX(120%);
}

.gold-underline {
  position: relative;
}

.gold-underline::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 100%;
  height: 2px;
  background: var(--accent-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease-out);
}

.gold-underline:hover::after {
  transform: scaleX(1);
}

/* —— Header —— */
#header.is-scrolled {
  box-shadow: 0 8px 30px -18px rgba(17, 24, 39, 0.35);
  background: rgba(255, 255, 255, 0.96);
}

/* —— Mobile menu —— */
#mobile-menu.is-open {
  display: block;
  animation: menu-down 0.28s var(--ease-out);
}

@keyframes menu-down {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* —— Ambient grid fade —— */
.hero-grid {
  animation: grid-fade 10s ease-in-out infinite alternate;
}

@keyframes grid-fade {
  from {
    opacity: 0.18;
  }
  to {
    opacity: 0.38;
  }
}

@media (prefers-reduced-motion: reduce) {
  .brand-mesh,
  .hero-logo,
  .hero-title,
  .hero-lead,
  .hero-cta,
  .hero-logo-float,
  .hero-glow,
  .hero-grid,
  #mobile-menu.is-open {
    animation: none !important;
  }

  .hero-logo,
  .hero-title,
  .hero-lead,
  .hero-cta,
  .reveal,
  .reveal-left,
  .reveal-right {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .lift:hover {
    transform: none;
  }
}

/* ——— Dialog / Modal de confirmation ——— */
.amg-dialog-root {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.22s ease, visibility 0.22s ease;
}

.amg-dialog-root.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.amg-dialog-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(11, 27, 53, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.amg-dialog-panel {
  position: relative;
  width: min(100%, 26rem);
  overflow: hidden;
  border: 1px solid #e5e7eb;
  background: #fff;
  box-shadow:
    0 0 0 1px rgba(28, 59, 111, 0.04),
    0 24px 48px -12px rgba(11, 27, 53, 0.35);
  transform: translateY(12px) scale(0.96);
  opacity: 0;
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.22s ease;
}

.amg-dialog-root.is-open .amg-dialog-panel {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.amg-dialog-accent {
  height: 3px;
  background: linear-gradient(90deg, #1c3b6f 0%, #d4af37 55%, #1c3b6f 100%);
}

.amg-dialog-accent.is-danger {
  background: linear-gradient(90deg, #7f1d1d 0%, #dc2626 50%, #7f1d1d 100%);
}

.amg-dialog-body {
  padding: 1.5rem 1.5rem 1.25rem;
}

.amg-dialog-icon {
  display: flex;
  height: 2.75rem;
  width: 2.75rem;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  background: #f4f6f9;
  color: #1c3b6f;
}

.amg-dialog-icon.is-danger {
  background: #fef2f2;
  color: #b91c1c;
}

.amg-dialog-title {
  font-family: Montserrat, Inter, sans-serif;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #1c3b6f;
  margin: 0 0 0.5rem;
}

.amg-dialog-message {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.55;
  color: rgba(17, 24, 39, 0.65);
}

.amg-dialog-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.65rem;
  padding: 0 1.5rem 1.5rem;
}

.amg-dialog-btn {
  font-family: Montserrat, Inter, sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.7rem 1.15rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.amg-dialog-btn:focus-visible {
  outline: 2px solid #1c3b6f;
  outline-offset: 2px;
}

.amg-dialog-btn-cancel {
  background: #fff;
  border-color: #e5e7eb;
  color: rgba(17, 24, 39, 0.65);
}

.amg-dialog-btn-cancel:hover {
  border-color: #1c3b6f;
  color: #1c3b6f;
}

.amg-dialog-btn-confirm {
  background: #1c3b6f;
  color: #fff;
}

.amg-dialog-btn-confirm:hover {
  background: #254a8a;
}

.amg-dialog-btn-confirm.is-danger {
  background: #b91c1c;
}

.amg-dialog-btn-confirm.is-danger:hover {
  background: #991b1b;
}

@media (prefers-reduced-motion: reduce) {
  .amg-dialog-root,
  .amg-dialog-panel {
    transition: none !important;
  }

  .amg-dialog-root.is-open .amg-dialog-panel {
    transform: none;
  }
}