/* ===========================
   A4 Estudio — Home Slider
   =========================== */

.home-main {
  /* No padding-top because the header is transparent and overlays the slider */
}

.hero-slider-section {
  position: relative;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}

.hero-slider {
  width: 100%;
  height: 100%;
}

.hero-slider .swiper-slide {
  position: relative;
  overflow: hidden;
}

/* Background image layer */
.slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 6s ease-out;
}

/* Subtle Ken Burns zoom on active slide */
.swiper-slide-active .slide-bg {
  transform: scale(1.05);
}

/* Dark gradient overlay — top + bottom for text legibility */
.slide-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      to bottom,
      rgba(0, 0, 0, 0.5) 0%,
      rgba(0, 0, 0, 0.1) 20%,
      transparent 35%
    ),
    linear-gradient(
      to top,
      rgba(0, 0, 0, 0.6) 0%,
      rgba(0, 0, 0, 0.2) 30%,
      transparent 55%
    );
  z-index: 1;
}

/* Slide content */
.slide-content {
  position: absolute;
  bottom: 80px;
  left: var(--container-padding);
  z-index: 2;
  color: var(--color-white);
  max-width: 600px;
}

.slide-content--centered {
  bottom: auto;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  max-width: 700px;
}

.slide-title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3.5vw, 2.4rem);
  font-weight: 300;
  margin-bottom: 16px;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease 0.3s, transform 0.8s ease 0.3s;
}

.slide-title--hero {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 300;
}

.slide-subtitle {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 400;
  opacity: 0.8;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease 0.5s, transform 0.8s ease 0.5s;
}

.slide-link {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 500;
  color: var(--color-white);
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.4);
  transition: border-color var(--transition), opacity 0.8s ease 0.5s, transform 0.8s ease 0.5s;
  opacity: 0;
  transform: translateY(20px);
}

.slide-link:hover {
  border-color: var(--color-white);
  opacity: 1;
}

/* Animate content on active slide */
.swiper-slide-active .slide-title,
.swiper-slide-active .slide-subtitle,
.swiper-slide-active .slide-link {
  opacity: 1;
  transform: translateY(0);
}

/* Slider Arrows — glassmorphism circles aligned with header */
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), transform 0.15s ease;
}

.slider-arrow:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.4);
}

.slider-arrow:active {
  transform: translateY(-50%) scale(0.95);
}

.slider-arrow--prev {
  left: 24px;
}

.slider-arrow--next {
  right: 24px;
}

/* Loading indicator */
.slider-loader {
  position: absolute;
  bottom: 30px;
  right: 30px;
  z-index: 10;
  display: none;
  gap: 6px;
  align-items: center;
}

.slider-loader.loading {
  display: flex;
}

.loader-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-white);
  opacity: 0.5;
  animation: loaderPulse 1.4s ease-in-out infinite;
}

.loader-dot:nth-child(2) { animation-delay: 0.2s; }
.loader-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes loaderPulse {
  0%, 80%, 100% { opacity: 0.3; transform: scale(0.8); }
  40% { opacity: 1; transform: scale(1); }
}

/* Responsive */
@media (max-width: 768px) {
  .slide-content {
    bottom: 40px;
    left: var(--container-padding);
    right: var(--container-padding);
  }

  .slide-title {
    font-size: 1.4rem;
  }

  .slider-arrow {
    width: 44px;
    height: 44px;
  }

  .slider-arrow--prev {
    left: 16px;
  }

  .slider-arrow--next {
    right: 16px;
  }

  .slide-subtitle {
    font-size: 0.95rem;
  }
}

@media (max-width: 480px) {
  .slide-content {
    bottom: 32px;
  }

  .slide-title {
    font-size: 1.2rem;
    margin-bottom: 10px;
  }
}