/* Optional presentation effects; original content and layout remain in styles.css. */
.reading-progress {
  position: fixed;
  inset: 0 0 auto;
  height: 3px;
  z-index: 30;
  background: linear-gradient(90deg, #c43b34, #ee6554 70%, #d7a847);
  box-shadow: 0 0 12px rgba(196, 59, 52, 0.6);
  transform: scaleX(0);
  transform-origin: left;
  pointer-events: none;
}

.effects-image-frame {
  position: relative;
  display: block;
  overflow: hidden;
}

.hero-image {
  animation: showroom-intro 4.5s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.hero-content > * {
  animation: showroom-copy 1s cubic-bezier(0.22, 1, 0.36, 1) both;
}
.hero-content > :nth-child(2) { animation-delay: 120ms; }
.hero-content > :nth-child(3) { animation-delay: 240ms; }
.hero-content > :nth-child(4) { animation-delay: 360ms; }
.hero-content > :nth-child(5) { animation-delay: 480ms; }

@keyframes showroom-intro {
  from { transform: scale(1); filter: saturate(0.92) contrast(1.05) brightness(1); }
  to { transform: scale(1.07); filter: saturate(0.98) contrast(1.05) brightness(1.2); }
}
@keyframes showroom-copy {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}

.car-card {
  position: relative;
  transition: transform 250ms ease, border-color 250ms ease, box-shadow 250ms ease;
}
.car-card.effects-pointer {
  transform: perspective(1000px) translateY(-8px)
    rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg));
  border-color: rgba(215, 168, 71, 0.8);
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.55), 0 0 22px rgba(196, 59, 52, 0.22);
}
.car-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background: radial-gradient(circle at var(--light-x, 50%) var(--light-y, 30%),
    rgba(255, 224, 172, 0.15), transparent 52%);
  opacity: 0;
  transition: opacity 250ms ease;
}
.car-card.effects-pointer::after { opacity: 1; }

.effects-image-frame::after {
  content: "";
  position: absolute;
  inset: -30% -60%;
  pointer-events: none;
  background: linear-gradient(110deg, transparent 36%, rgba(255, 236, 205, 0.32) 49%, transparent 62%);
  transform: translateX(-80%);
  opacity: 0;
}
.car-card.effects-in-view .effects-image-frame::after {
  animation: showroom-sweep 1.4s 180ms ease-out both;
}
.car-card.effects-pointer .effects-image-frame::after {
  animation: showroom-hover-sweep 1s ease-out both;
}
@keyframes showroom-sweep {
  0% { transform: translateX(-65%); opacity: 0; }
  20% { opacity: 1; }
  100% { transform: translateX(65%); opacity: 0; }
}
@keyframes showroom-hover-sweep {
  0% { transform: translateX(-65%); opacity: 0; }
  20% { opacity: 1; }
  100% { transform: translateX(65%); opacity: 0; }
}
.car-card.effects-pointer .effects-image-frame > img { transform: scale(1.07); }

.section-heading h2, .brand-narrative h2 { position: relative; }
.section-heading h2::after, .brand-narrative h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -10px;
  width: 72px;
  height: 2px;
  background: linear-gradient(90deg, var(--red), var(--amber));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 800ms ease 200ms;
}
.effects-in-view h2::after { transform: scaleX(1); }

.effects-image-frame > img {
  transition: transform 600ms cubic-bezier(0.22, 1, 0.36, 1);
}

.button,
.header-cta,
.filter,
.notify-form button {
  transition: transform 160ms ease, box-shadow 200ms ease,
    border-color 200ms ease, background-color 200ms ease;
}

@media (hover: hover) and (pointer: fine) {
  #lineup .car-card:hover .effects-image-frame > img {
    transform: scale(1.07);
  }

  .button.primary:hover,
  .header-cta:hover,
  .notify-form button:not(:disabled):hover {
    background-color: #d3463e;
    box-shadow: 0 0 26px rgba(196, 59, 52, 0.5);
    transform: translateY(-3px);
  }

  .button.secondary:hover {
    background-color: rgba(255, 255, 255, 0.11);
    border-color: rgba(255, 255, 255, 0.3);
  }
}

.button:active,
.header-cta:active,
.filter:active,
.notify-form button:not(:disabled):active {
  transform: translateY(1px);
}

.button:focus-visible,
.header-cta:focus-visible,
.filter:focus-visible,
.notify-form button:focus-visible {
  outline: 2px solid var(--amber, #d7a847);
  outline-offset: 4px;
}

@media (prefers-reduced-motion: reduce) {
  html:not([data-motion="full"]) { scroll-behavior: auto; }

  html:not([data-motion="full"]) .hero-image,
  html:not([data-motion="full"]) .hero-content > *,
  html:not([data-motion="full"]) .car-card.effects-in-view .effects-image-frame::after,
  html:not([data-motion="full"]) .car-card.effects-pointer .effects-image-frame::after {
    animation: none;
  }

  html:not([data-motion="full"]) .car-card.effects-pointer,
  html:not([data-motion="full"]) .car-card.effects-pointer .effects-image-frame > img,
  html:not([data-motion="full"]) .button.primary:hover,
  html:not([data-motion="full"]) .header-cta:hover,
  html:not([data-motion="full"]) .notify-form button:not(:disabled):hover { transform: none; }

  html:not([data-motion="full"]) .car-card::after,
  html:not([data-motion="full"]) .section-heading h2::after,
  html:not([data-motion="full"]) .brand-narrative h2::after { transition: none; }

  html:not([data-motion="full"]) .effects-image-frame > img,
  html:not([data-motion="full"]) .car-card,
  html:not([data-motion="full"]) .button,
  html:not([data-motion="full"]) .header-cta,
  html:not([data-motion="full"]) .filter,
  html:not([data-motion="full"]) .notify-form button {
    transition: none;
  }

  html:not([data-motion="full"]) #lineup .car-card:hover .effects-image-frame > img,
  html:not([data-motion="full"]) .car-card:hover,
  html:not([data-motion="full"]) .button:active,
  html:not([data-motion="full"]) .header-cta:active,
  html:not([data-motion="full"]) .filter:active,
  html:not([data-motion="full"]) .notify-form button:not(:disabled):active {
    transform: none;
  }
}

@media print {
  .reading-progress { display: none; }
}