/* Premium presentation layer: shared polish, performance-safe motion. */
:root {
  --premium-ease: cubic-bezier(.22, 1, .36, 1);
  --premium-fast: 160ms;
  --premium-med: 320ms;
}

html {
  scroll-padding-top: 96px;
}

body::selection {
  background: rgba(201, 169, 110, .28);
}

.premium-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999;
  width: 100%;
  height: 3px;
  pointer-events: none;
  transform-origin: left;
  transform: scaleX(0);
  background: linear-gradient(90deg, #c9a96e, #f0dfb6);
  box-shadow: 0 0 24px rgba(201, 169, 110, .28);
}

.btn,
button,
.nav-cta,
.btn-nav {
  position: relative;
  overflow: hidden;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.btn::after,
.nav-cta::after,
.btn-nav::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-120%) skewX(-18deg);
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.28), transparent);
  transition: transform .7s var(--premium-ease);
  pointer-events: none;
}

@media (hover: hover) and (pointer: fine) {
  .btn:hover::after,
  .nav-cta:hover::after,
  .btn-nav:hover::after {
    transform: translateX(120%) skewX(-18deg);
  }

  .card,
  .service-card,
  .prestation-card,
  .glass-card,
  .review-card,
  .tariff-card,
  .option-card {
    transform-style: preserve-3d;
    transition:
      transform var(--premium-med) var(--premium-ease),
      box-shadow var(--premium-med) var(--premium-ease),
      border-color var(--premium-fast) ease,
      background-color var(--premium-fast) ease;
  }

  .card:hover,
  .service-card:hover,
  .prestation-card:hover,
  .glass-card:hover,
  .review-card:hover,
  .tariff-card:hover,
  .option-card:hover {
    transform: translateY(-6px);
  }
}

.premium-ripple {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  pointer-events: none;
  background: rgba(255,255,255,.42);
  transform: translate(-50%, -50%) scale(1);
  animation: premiumRipple .55s var(--premium-ease) forwards;
}

@keyframes premiumRipple {
  to {
    opacity: 0;
    transform: translate(-50%, -50%) scale(18);
  }
}

.reveal {
  will-change: opacity, transform;
}

.reveal.visible {
  will-change: auto;
}

video {
  background: #111;
}

.conversion-strip {
  width: min(1180px, calc(100% - 32px));
  margin: -42px auto 34px;
  position: relative;
  z-index: 20;
  display: grid;
  grid-template-columns: 1.1fr repeat(3, auto);
  gap: 12px;
  align-items: center;
  padding: 14px;
  border: 1px solid rgba(201,169,110,.22);
  border-radius: 24px;
  background: rgba(255,255,255,.82);
  color: #171411;
  box-shadow: 0 24px 80px rgba(15,15,15,.14);
  backdrop-filter: blur(18px) saturate(150%);
}

.conversion-strip strong {
  display: block;
  font-size: 14px;
}

.conversion-strip span,
.conversion-strip a:not(.btn) {
  color: rgba(23,20,17,.62);
  font-size: 12px;
  text-decoration: none;
}

.conversion-strip .mini-stat {
  min-width: 92px;
  padding: 10px 12px;
  border-radius: 16px;
  background: rgba(201,169,110,.11);
  text-align: center;
}

.conversion-strip .btn {
  white-space: nowrap;
}

@media (max-width: 860px) {
  .conversion-strip {
    margin: 14px auto 20px;
    grid-template-columns: 1fr 1fr;
  }

  .conversion-strip .strip-main,
  .conversion-strip .btn {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .sticky-mobile {
    padding-bottom: max(0px, env(safe-area-inset-bottom));
  }

  .btn,
  .nav-cta,
  .btn-nav {
    min-height: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .premium-progress,
  .btn::after,
  .nav-cta::after,
  .btn-nav::after,
  .premium-ripple {
    display: none !important;
  }
}