/* =============================================
   Hero Slideshow — City Explorer
   Inspired by codepen.io/seanfree/BLrNzx
   ============================================= */
.hero-slideshow {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: stretch;
  overflow: hidden;
}

.hero-slide {
  position: relative;
  flex: 1;
  overflow: hidden;
  cursor: pointer;
  transition: flex 0.8s cubic-bezier(0.65, 0, 0.35, 1);
  display: flex;
  align-items: flex-end;
}

.hero-slide:not(.is-active):hover {
  flex: 1.3;
}

.hero-slide.is-active {
  flex: 4;
  cursor: default;
}

.hero-slide__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 1s ease;
  transform: scale(1.1);
}

.hero-slide.is-active .hero-slide__bg,
.hero-slide:hover .hero-slide__bg {
  transform: scale(1);
}

.hero-slide__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.45) 40%, rgba(0,0,0,0.55) 100%);
  transition: opacity 0.5s;
}

.hero-slide:hover .hero-slide__overlay {
  opacity: 0.9;
}

.hero-slide__content {
  position: relative;
  z-index: 2;
  padding: var(--space-2xl);
  color: #ffffff;
  width: 100%;
}

.hero-slide__region {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-blue);
  opacity: 1;
  margin-bottom: var(--space-xs);
  text-shadow: 0 1px 12px rgba(0,0,0,0.5);
}

.hero-slide__city {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 800;
  margin: 0;
  line-height: 1.1;
  color: #ffffff;
  text-shadow: 0 4px 30px rgba(0,0,0,0.6), 0 2px 8px rgba(0,0,0,0.5);
  transition: font-size 0.5s;
}

.hero-slide.is-active .hero-slide__city {
  font-size: var(--text-6xl);
}

.hero-slide__desc {
  font-size: var(--text-sm);
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: all 0.5s ease;
  max-width: 400px;
  margin-top: 0;
  color: #ffffff;
  text-shadow: 0 2px 12px rgba(0,0,0,0.5);
}

.hero-slide.is-active .hero-slide__desc {
  opacity: 1;
  max-height: 200px;
  margin-top: var(--space-md);
}

.hero-slide__stat {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-xs);
  opacity: 0;
  transition: all 0.5s 0.2s;
  margin-top: var(--space-sm);
  color: #ffffff;
  text-shadow: 0 2px 12px rgba(0,0,0,0.5);
}

.hero-slide.is-active .hero-slide__stat {
  opacity: 1;
}

.hero-slide__close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 32px;
  height: 32px;
  cursor: pointer;
  opacity: 0;
  transition: all 0.3s;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-slide.is-active .hero-slide__close {
  opacity: 1;
}

.hero-slide__close::before,
.hero-slide__close::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 2px;
  background: white;
  border-radius: 1px;
}

.hero-slide__close::before { transform: rotate(45deg); }
.hero-slide__close::after { transform: rotate(-45deg); }

/* Collapsed label */
.hero-slide__label {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  color: white;
  opacity: 0.7;
  white-space: nowrap;
  transition: opacity 0.3s;
  writing-mode: vertical-lr;
  text-orientation: mixed;
  letter-spacing: 0.15em;
}

.hero-slide.is-active .hero-slide__label,
.hero-slide:hover .hero-slide__label {
  opacity: 0;
}

/* Bullet nav */
.hero-nav {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-sm);
  z-index: 10;
}

.hero-nav__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: all 0.3s;
}

.hero-nav__dot.is-active {
  background: white;
  transform: scale(1.3);
}

@media (max-width: 768px) {
  .hero-slideshow { flex-direction: column; }
  .hero-slide { min-height: 20vh; }
  .hero-slide.is-active { flex: 1; min-height: 50vh; }
  .hero-slide__label { writing-mode: horizontal-tb; bottom: 10px; }
  .hero-slide__city { font-size: var(--text-2xl); }
  .hero-slide.is-active .hero-slide__city { font-size: var(--text-3xl); }
}