/**
 * Card Slider Module Styles
 *
 * Desktop: Swiper slider with navigation
 * Mobile: Stacked cards (Swiper destroyed by JS)
 */

body {
  overflow-x: hidden;
}

/*
 * Lets the browser interpolate the gradient’s top color in one layer.
 * Crossfading two overlays stacks semi-transparent pixels and can brighten the photo mid-transition.
 */
@property --card-slider-overlay-top {
  syntax: '<color>';
  inherits: false;
  initial-value: rgba(0, 0, 0, 0);
}

/* ==========================================================================
   Container & Layout
   ========================================================================== */

.card-slider-container {
  position: relative;
  width: 100%;
}

/* Controls (pagination + navigation buttons) above cards */
.card-slider-controls {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1.5rem;
  margin-bottom: 2rem;
  line-height: 1;
}

/* Hide controls on mobile (no slider) */
@media (max-width: 979px) {
  .card-slider-controls {
    display: none;
  }
}

/* ==========================================================================
   Pagination
   ========================================================================== */

.card-slider-pagination {
  font-size: 1em;
  font-weight: 700;
  color: var(--secondary-color);
  letter-spacing: 0.05em;
  width: auto;
}

.card-slider-pagination .swiper-pagination-total {
  font-weight: 400;
  color: var(--medium-gray);
}

/* ==========================================================================
   Navigation Buttons
   ========================================================================== */

.card-slider-nav {
  display: flex;
  gap: 0.5rem;
}

.card-slider-button-prev,
.card-slider-button-next {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-color);
  border: 2px solid var(--primary-color);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--font-etmodules);
  font-size: 1.75em;
  line-height: 1;
  color: #fff;
}

/* Arrow using ETmodules font */
.card-slider-button-prev::before {
  content: '\23'; /* ETmodules left arrow */
}

.card-slider-button-next::before {
  content: '\24'; /* ETmodules right arrow */
}

/* Hover state */
.card-slider-button-prev:hover,
.card-slider-button-next:hover {
  background: transparent;
  border-color: var(--primary-color);
  color: var(--primary-color);
}

/* Focus state */
.card-slider-button-prev:focus,
.card-slider-button-next:focus {
  outline-offset: 2px;
}

/* Disabled state */
.card-slider-button-prev.swiper-button-disabled,
.card-slider-button-next.swiper-button-disabled {
  background: var(--medium-gray);
  border-color: var(--medium-gray);
  cursor: not-allowed;
  opacity: 1;
}

/* Disabled state should not respond to hover */
.card-slider-button-prev.swiper-button-disabled:hover,
.card-slider-button-next.swiper-button-disabled:hover {
  background: var(--medium-gray);
  border-color: var(--medium-gray);
  color: #fff;
}

/* ==========================================================================
   Swiper Container
   ========================================================================== */

.card-slider-container .card-slider-swiper {
  width: 100%;
  overflow: visible; /* Allow cards to peek outside */
}

/* ==========================================================================
   Slides & Cards
   ========================================================================== */

.card-slider-slide {
  height: auto;
  max-width: 525px;
}

/* Invisible spacer slide - allows proper creative effect on last real slide */
.card-slider-slide-spacer {
  visibility: hidden;
  pointer-events: none;
}

/* Mobile/Tablet: Stack cards with flexbox */
@media (max-width: 979px) {
  .card-slider-swiper .swiper-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
  }
}

/* ==========================================================================
   Card Component
   ========================================================================== */

.card-slider-card {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 7 / 9; /* Default 7:9 aspect ratio */
  overflow: hidden;
  text-decoration: none;
  color: inherit;
}

/* Mobile/Tablet: 9/11 aspect ratio */
@media (max-width: 979px) {
  .card-slider-card {
    aspect-ratio: 9 / 11;
  }
}

/* Card Image */
.card-slider-card-image {
  position: relative;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* Single overlay: animate top stop via @property (no stacked half-opacity layers) */
.card-slider-card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  --card-slider-overlay-top: rgba(0, 0, 0, 0);
  background: linear-gradient(to bottom, var(--card-slider-overlay-top) 0%, rgba(0, 0, 0, 0.7) 100%);
  transition: --card-slider-overlay-top 0.45s ease;
}

:is(.card-slider-slide:hover) .card-slider-card-image::after {
  --card-slider-overlay-top: rgba(0, 0, 0, 0.3);
}

.card-slider-slide.swiper-slide-active,
.card-slider-slide:hover {
  box-shadow: 0 0 30px 0 rgba(0, 0, 0, 0.3);
}

/* Card Content */
.card-slider-card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1em;
  z-index: 1;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

/* Card Title */
.card-slider-card-title {
  margin: 0;
  padding: 0;
  font-size: 1.3em;
  font-weight: 700;
  line-height: 1.2;
  color: #fff;
  transition: color 0.3s ease;
}

/* Card Arrow */
.card-slider-card-arrow {
  font-family: var(--font-etmodules);
  font-size: 2.5em;
  line-height: 1;
  color: #fff;
  transition:
    transform 0.2s ease,
    color 0.3s ease;
  flex-shrink: 0;
}

.card-slider-card-arrow::before {
  content: '\24'; /* ETmodules right arrow */
}

/* Active slide or hover - gold title and arrow */
:is(.card-slider-card:hover) :is(.card-slider-card-title, .card-slider-card-arrow) {
  color: var(--tertiary-color);
}

/* Arrow animates on hover */
.card-slider-card:hover .card-slider-card-arrow {
  transform: translateX(0.25rem);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

/* Tablet */
@media (min-width: 768px) and (max-width: 979px) {
  .card-slider-card-content {
    padding: 1.5em;
  }
}

/* Desktop */
@media (min-width: 980px) {
  .card-slider-card-content {
    padding: 2em;
  }
}

/* ==========================================================================
   Accessibility
   ========================================================================== */

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  .card-slider-button-prev,
  .card-slider-button-next,
  .card-slider-card-image::after,
  .card-slider-card-arrow {
    transition: none;
  }
}

/* Focus visible for keyboard users — on the slide so Swiper doesn't clip it */
.card-slider-slide:focus-within {
  outline: 2px solid var(--bp-focus-blue);
  outline-offset: 4px;
}

.card-slider-card:focus-visible {
  outline: none;
}