/* ==========================================================================
   BAREEZE-STYLE FULL-VIEWPORT VERTICAL SLIDER (SWIPER 11)
   ========================================================================== */

.sana-vertical-hero {
  position: relative;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  background-color: var(--color-primary-dark);
  overflow: hidden;
  z-index: 10;
}

/* Swiper Container */
.sana-vertical-hero .swiper {
  width: 100%;
  height: 100%;
}

.sana-vertical-hero .swiper-wrapper {
  flex-direction: column;
}

.sana-vertical-hero .swiper-slide {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  box-sizing: border-box;
}

/* Full-Cover Background Image */
.sana-slide-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  transform: scale(1.05);
  transition: transform 1.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
  z-index: 1;
}

.swiper-slide-active .sana-slide-bg {
  transform: scale(1);
}

/* Luxury Editorial Overlays */
.sana-slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(10, 10, 10, 0.78) 0%,
    rgba(10, 10, 10, 0.55) 45%,
    rgba(10, 10, 10, 0.25) 100%
  );
  z-index: 2;
}

.sana-slide-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at center,
    transparent 50%,
    rgba(5, 5, 5, 0.5) 100%
  );
}

/* Slide Content Container */
.sana-slide-content-wrap {
  position: relative;
  z-index: 3;
  width: 100%;
  padding-left: clamp(2rem, 8vw, 9rem);
  padding-right: clamp(2rem, 8vw, 9rem);
  color: var(--color-text-inverse);
  max-width: 900px;
}

/* Slide Typography & Animations */
.sana-slide-subtitle {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-sans);
  font-size: clamp(0.75rem, 1.2vw, 0.9rem);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.35em;
  color: var(--color-gold);
  margin-bottom: 1.25rem;
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: 0.2s;
}

.sana-slide-subtitle::before {
  content: '';
  display: inline-block;
  width: 32px;
  height: 1px;
  background-color: var(--color-gold);
}

.sana-slide-title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5.2vw, 5.4rem);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: 0.02em;
  color: #FFFFFF;
  margin-bottom: 1.5rem;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  opacity: 0;
  transform: translateY(35px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: 0.35s;
}

.sana-slide-title span.highlight {
  font-style: italic;
  font-weight: 300;
  color: var(--color-gold-light);
}

.sana-slide-description {
  font-family: var(--font-sans);
  font-size: clamp(0.95rem, 1.3vw, 1.15rem);
  font-weight: 300;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
  max-width: 580px;
  margin-bottom: 2.25rem;
  letter-spacing: 0.02em;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: 0.5s;
}

.sana-slide-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: 0.65s;
}

/* Active Slide Entrance Transitions */
.swiper-slide-active .sana-slide-subtitle,
.swiper-slide-active .sana-slide-title,
.swiper-slide-active .sana-slide-description,
.swiper-slide-active .sana-slide-actions {
  opacity: 1;
  transform: translateY(0);
}

/* Buttons in Slider */
.btn-luxury-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2.5rem;
  background-color: var(--color-gold);
  color: #111111;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  border: 1px solid var(--color-gold);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.btn-luxury-primary:hover {
  background-color: #FFFFFF;
  color: #111111;
  border-color: #FFFFFF;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  transform: translateY(-2px);
}

.btn-luxury-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2.25rem;
  background-color: transparent;
  color: #FFFFFF;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  border: 1px solid rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(8px);
  transition: var(--transition-smooth);
}

.btn-luxury-outline:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  background-color: rgba(20, 20, 20, 0.6);
  transform: translateY(-2px);
}

/* Vertical Pagination - Bareeze Boutique Style */
.sana-vertical-pagination {
  position: absolute;
  top: 50%;
  right: clamp(1.5rem, 4vw, 4rem);
  transform: translateY(-50%);
  z-index: 20;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1.5rem;
  pointer-events: auto;
}

.sana-counter-display {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.1em;
  line-height: 1.2;
}

.sana-counter-current {
  font-size: 1.85rem;
  font-weight: 600;
  color: var(--color-gold);
  transition: var(--transition-fast);
}

.sana-counter-divider {
  width: 24px;
  height: 1px;
  background-color: rgba(255, 255, 255, 0.3);
  margin: 4px 0;
}

.sana-counter-total {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.45);
}

/* Interactive Navigation Rail */
.sana-nav-rail {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: 0.75rem;
}

.sana-nav-pill {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px 0;
  opacity: 0.5;
  transition: var(--transition-smooth);
}

.sana-nav-pill-title {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: #FFFFFF;
  opacity: 0;
  transform: translateX(12px);
  transition: var(--transition-smooth);
  white-space: nowrap;
  pointer-events: none;
}

.sana-nav-pill-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1px solid var(--color-gold);
  background-color: transparent;
  transition: var(--transition-smooth);
  position: relative;
}

.sana-nav-pill:hover,
.sana-nav-pill.active {
  opacity: 1;
}

.sana-nav-pill:hover .sana-nav-pill-title,
.sana-nav-pill.active .sana-nav-pill-title {
  opacity: 1;
  transform: translateX(0);
  color: var(--color-gold-light);
}

.sana-nav-pill.active .sana-nav-pill-dot {
  background-color: var(--color-gold);
  transform: scale(1.4);
  box-shadow: 0 0 12px rgba(197, 168, 128, 0.8);
}

/* Vertical Progress Bar */
.sana-slider-progress-line {
  position: absolute;
  right: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: rgba(255, 255, 255, 0.15);
  z-index: 20;
}

.sana-slider-progress-fill {
  width: 100%;
  height: 0%;
  background: linear-gradient(180deg, var(--color-gold-light) 0%, var(--color-gold) 100%);
  transition: height 0.5s ease-out;
}

/* Scroll Down Luxury Cue */
.sana-scroll-down {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  color: rgba(255, 255, 255, 0.7);
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  cursor: pointer;
  transition: var(--transition-fast);
}

.sana-scroll-down:hover {
  color: var(--color-gold);
}

.sana-scroll-down-line {
  width: 1px;
  height: 38px;
  background: linear-gradient(180deg, var(--color-gold) 0%, transparent 100%);
  animation: sanaScrollIndicator 2.2s infinite ease-in-out;
}

@keyframes sanaScrollIndicator {
  0% {
    transform: scaleY(0);
    transform-origin: top;
    opacity: 0;
  }
  50% {
    transform: scaleY(1);
    transform-origin: top;
    opacity: 1;
  }
  51% {
    transform: scaleY(1);
    transform-origin: bottom;
    opacity: 1;
  }
  100% {
    transform: scaleY(0);
    transform-origin: bottom;
    opacity: 0;
  }
}

/* Mobile Adjustments */
@media (max-width: 900px) {
  .sana-slide-content-wrap {
    padding-left: 1.5rem;
    padding-right: 4.5rem;
  }
  .sana-vertical-pagination {
    right: 1.25rem;
  }
  .sana-nav-pill-title {
    display: none;
  }
  .sana-counter-current {
    font-size: 1.4rem;
  }
}

@media (max-width: 600px) {
  .sana-slide-actions {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
  }
  .btn-luxury-primary,
  .btn-luxury-outline {
    width: 100%;
    padding: 0.85rem 1.5rem;
    text-align: center;
  }
  .sana-scroll-down {
    bottom: 1.25rem;
  }
}