/**
 * slider.css — School Gov UA Theme
 * Crossfade слайдер з Ken Burns + анімація контенту
 */

/* =====================================================
   КОНТЕЙНЕР
   ===================================================== */
.hero-slider {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: var(--color-primary-dark);
  min-height: 400px;
}

/* =====================================================
   TRACK — тепер просто обгортка, НЕ flex+translate
   ===================================================== */
.hero-slider__track {
  position: relative;
  width: 100%;
  min-height: 400px;
  display: block;
  /* Прибираємо старий transition transform */
  transition: none !important;
  transform: none !important;
}

/* =====================================================
   СЛАЙДИ — всі абсолютно, перемикання через opacity
   ===================================================== */
.hero-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  min-height: 400px;
  display: flex;
  align-items: center;
  overflow: hidden;

  opacity: 0;
  transition: opacity 1.6s ease-in-out;
  pointer-events: none;
  z-index: 1;
}

/* Перший / активний слайд — у потоці для висоти контейнера */
.hero-slide:first-child {
  position: relative;
}
.hero-slide.is-active {
  opacity: 1;
  pointer-events: auto;
  z-index: 2;
}

/* =====================================================
   КEN BURNS — повільний zoom фонового фото
   ===================================================== */
.hero-slide__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
.hero-slide__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  /* Початковий масштаб — трохи більший */
  transform: scale(1.07);
  transition: transform 7s ease-out;
}
/* Коли слайд активний — img повільно «зменшується» */
.hero-slide.is-active .hero-slide__bg img {
  transform: scale(1.0);
}

/* =====================================================
   ОВЕРЛЕЙ
   ===================================================== */
.hero-slide__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(18,42,107,.88) 40%,
    rgba(18,42,107,.45) 75%,
    transparent 100%
  );
  z-index: 1;
}

/* =====================================================
   КОНТЕНТ — анімація знизу вгору при появі
   ===================================================== */
.hero-slide__content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--sp-3xl) 88px;
  color: var(--color-white);
  box-sizing: border-box;

  /* Прихований і зміщений до активації */
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0s, transform 0s;
}
.hero-slide.is-active .hero-slide__content {
  opacity: 1;
  transform: translateY(0);
  /* Стартує з затримкою — після початку crossfade */
  transition:
    opacity  .9s ease .55s,
    transform .9s ease .55s;
}

/* =====================================================
   ТЕКСТОВІ ЕЛЕМЕНТИ
   ===================================================== */
.hero-slide__label {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-primary-dark);
  font-size: var(--fs-xs);
  font-weight: 700;
  padding: 3px 12px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: var(--sp-md);
}
.hero-slide__title {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.15;
  max-width: calc(100% - 140px);
  margin-bottom: var(--sp-sm);
  text-shadow: 0 1px 8px rgba(0,0,0,.25);
}
.hero-slide__text {
  font-size: .95rem;
  color: rgba(255,255,255,.85);
  max-width: calc(100% - 140px);
  margin-bottom: var(--sp-xl);
  line-height: 1.6;
}
.hero-slide__actions {
  display: flex;
  gap: var(--sp-md);
  flex-wrap: wrap;
}

/* =====================================================
   DOTS — прямокутні індикатори з прогресом
   ===================================================== */
.hero-slider__nav {
  position: absolute;
  bottom: var(--sp-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: 8px;
}
.hero-slider__dot {
  width: 24px;
  height: 4px;
  border-radius: 2px;
  background: rgba(255,255,255,.35);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background .3s ease, width .3s ease;
}
.hero-slider__dot.active {
  background: var(--color-accent);
  width: 40px;
}
.hero-slider__dot:hover {
  background: rgba(255,255,255,.7);
}

/* =====================================================
   СТРІЛКИ — круглі з backdrop-blur
   ===================================================== */
.hero-slider__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  background: rgba(0,0,0,.28);
  border: 1.5px solid rgba(255,255,255,.3);
  outline: none;
  color: var(--color-white);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.3rem;
  padding: 0;
  transition: background .2s, border-color .2s, color .2s, transform .2s;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.hero-slider__arrow:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-primary-dark);
  transform: translateY(-50%) scale(1.1);
}
.hero-slider__arrow--prev { left: 16px; }
.hero-slider__arrow--next { right: 16px; }

/* =====================================================
   ПРОГРЕС-БАР внизу слайдера
   ===================================================== */
.hero-slider__progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: var(--color-accent);
  z-index: 10;
  opacity: .8;
  transition: none;
}
.hero-slider__progress.is-running {
  width: 100%;
  /* Тривалість = DELAY у JS = 7000ms */
  transition: width 7s linear;
}

/* =====================================================
   МОБІЛЬНА АДАПТАЦІЯ
   ===================================================== */
@media (max-width: 768px) {
  .hero-slider { min-height: 280px; }
  .hero-slider__track { min-height: 280px; }
  .hero-slide  { min-height: 280px; }
  .hero-slide__content { padding: var(--sp-xl) 56px; }
  .hero-slide__title { font-size: 1.35rem; max-width: 100%; }
  .hero-slide__text  { font-size: var(--fs-sm); max-width: 100%; }
  .hero-slider__arrow { width: 36px; height: 36px; font-size: 1.1rem; }
  .hero-slider__arrow--prev { left: 8px; }
  .hero-slider__arrow--next { right: 8px; }
}

@media (max-width: 480px) {
  .hero-slider { min-height: 220px; }
  .hero-slider__track { min-height: 220px; }
  .hero-slide  { min-height: 220px; }
  .hero-slide__content { padding: var(--sp-lg) var(--container-pad); }
  .hero-slide__title { font-size: 1.2rem; }
  .hero-slide__text  { display: none; }
  .hero-slide__label { display: none; }
  .hero-slider__arrow { display: none; }
}