/* ==========================================================================
   HERO SLIDER — pure image slider, classic sliding transition + slow zoom
   Aspect ratio locked to 2134 / 737 on every screen size.
   Navigation cluster (dots + prev/next) sits bottom-right.
   ========================================================================== */

:root {
  --hero-ratio: 2134 / 737;
  --slide-duration: 5500ms;      /* how long each slide stays before auto-advancing */
  --slide-transition: 1100ms;    /* sliding transition length                        */
  --accent: #E40514;
  --ink: #101014;
  --paper: #f7f5f0;
}

* {
  box-sizing: border-box;
}

.hero-slider {
  position: relative;
  width: 100%;
  aspect-ratio: var(--hero-ratio);   /* locks 2134:737 on ALL screens */
  overflow: hidden;
  background: #000;
  isolation: isolate;
}

@supports not (aspect-ratio: 1 / 1) {
  .hero-slider {
    height: 0;
    padding-top: calc(737 / 2134 * 100%);
  }
  .hero-slider > * {
    position: absolute;
    inset: 0;
  }
}

/* --------------------------------------------------------------------
   Slides — positioned by JS via --pos (-1, 0, 1, 2 ...) and slid
   horizontally with a smooth classic ease.
   -------------------------------------------------------------------- */

.hero-slide {
  position: absolute;
  inset: 0;
  transform: translateX(calc(var(--pos, 1) * 100%));
  transition: transform var(--slide-transition) cubic-bezier(.77, 0, .18, 1);
  z-index: 1;
  will-change: transform;
}

.hero-slide.is-active {
  z-index: 2;
}

.hero-slide__media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.hero-slide__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;      /* image always fills the fixed-ratio frame, no distortion */
  object-position: center;
  display: block;
  transform: scale(1);
  transition: transform 0s;
}

/* Slow, classic push-in zoom — only runs while a slide is active */
.hero-slide.is-active .hero-slide__media img {
  animation: heroKenBurns calc(var(--slide-duration) + var(--slide-transition)) ease-out forwards;
}

@keyframes heroKenBurns {
  0%   { transform: scale(1); }
  100% { transform: scale(1.1); }
}

/* --------------------------------------------------------------------
   Navigation cluster — bottom right: dots (progress) + prev/next
   -------------------------------------------------------------------- */

.hero-nav {
  position: absolute;
  right: clamp(14px, 3vw, 36px);
  bottom: clamp(14px, 3vw, 32px);
  z-index: 5;
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.4vw, 18px);
  padding: 8px 10px;
  background: rgba(16, 16, 20, 0.32);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(247, 245, 240, 0.18);
  border-radius: 999px;
}

.hero-dots {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 2px;
}

.hero-dot {
  position: relative;
  width: clamp(18px, 2vw, 26px);
  height: 3px;
  background: rgba(247, 245, 240, 0.35);
  cursor: pointer;
  overflow: hidden;
  border: none;
  padding: 0;
  border-radius: 2px;
  transition: background 250ms ease;
}

.hero-dot::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--accent);
}

.hero-dot.is-active::after {
  animation: heroProgress calc(var(--slide-duration) + var(--slide-transition)) linear forwards;
}

@keyframes heroProgress {
  to { transform: scaleX(1); }
}

.hero-nav__divider {
  width: 1px;
  height: 18px;
  background: rgba(247, 245, 240, 0.25);
}

.hero-arrow {
  width: clamp(30px, 3.2vw, 40px);
  height: clamp(30px, 3.2vw, 40px);
  border: none;
  background: transparent;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 250ms ease, transform 250ms ease;
}

.hero-arrow:hover {
  background: var(--accent);
  transform: scale(1.08);
}

.hero-arrow svg {
  width: 46%;
  height: 46%;
  /* stroke: var(--paper); */
  transition: stroke 250ms ease;
}

.hero-arrow:hover svg {
  stroke: var(--ink);
}

/* --------------------------------------------------------------------
   Responsive tuning — ratio stays 2134/737 everywhere
   -------------------------------------------------------------------- */

@media (max-width: 560px) {
  .hero-nav {
    gap: 8px;
    padding: 3px 8px;
  }
  .hero-arrow { display: none; }
}

/* Respect reduced-motion preference */
@media (prefers-reduced-motion: reduce) {
  .hero-slide,
  .hero-slide__media img {
    animation: none !important;
    transition: transform 300ms ease !important;
  }
}