/* ============================================
   ATACAMA DARK SKY — Home Page Styles
   ============================================ */

/* ---- Hero ---- */
.hero {
  position: relative;
  height: 100svh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero1.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(10, 10, 20, 0.3) 0%,
    rgba(10, 10, 20, 0.15) 40%,
    rgba(10, 10, 20, 0.5) 70%,
    rgba(10, 10, 20, 0.95) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 0 var(--space-lg);
}

.hero-content h1 {
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 300;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-lg);
  color: var(--color-white);
}

.hero-tagline {
  font-family: var(--font-body);
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 300;
  color: var(--color-text-secondary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-2xl);
}

.hero .btn-primary {
  font-size: 0.9375rem;
  padding: 1rem 3rem;
}

.scroll-indicator {
  position: absolute;
  bottom: var(--space-2xl);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  animation: scrollBounce 2s ease-in-out infinite;
}

.scroll-indicator svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-text-muted);
  stroke-width: 2;
  fill: none;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.6; }
  50% { transform: translateX(-50%) translateY(8px); opacity: 1; }
}

/* ---- Story Blocks (The Experience) ---- */
.story-section {
  padding: var(--space-4xl) 0;
}

.story-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  margin-bottom: var(--space-4xl);
}

.story-block:last-child {
  margin-bottom: 0;
}

.story-block:nth-child(even) {
  direction: rtl;
}

.story-block:nth-child(even) > * {
  direction: ltr;
}

.story-image {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  aspect-ratio: 4/3;
}

.story-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.story-block:hover .story-image img {
  transform: scale(1.03);
}

.story-text h3 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

.story-text p {
  font-size: 1.0625rem;
  line-height: 1.8;
}

/* ---- Astrophoto Gallery Grid ---- */
.gallery-section {
  padding: var(--space-4xl) 0;
  background: var(--color-bg-primary);
}

.gallery-section .section-header {
  margin-bottom: var(--space-2xl);
}

.astro-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

.astro-grid-item {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  cursor: pointer;
  aspect-ratio: 1;
}

.astro-grid-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-med) var(--ease-out);
}

.astro-grid-item:hover img {
  transform: scale(1.05);
}

.astro-grid-item .astro-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-lg) var(--space-md) var(--space-md);
  background: linear-gradient(transparent, rgba(10, 10, 20, 0.85));
  transform: translateY(100%);
  transition: transform var(--duration-med) var(--ease-out);
}

.astro-grid-item:hover .astro-label {
  transform: translateY(0);
}

.astro-label-name {
  font-family: var(--font-display);
  font-size: 1.125rem;
  color: var(--color-white);
  display: block;
}

.astro-label-distance {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
  letter-spacing: 0.02em;
}

/* ---- Stats ---- */
.stats-section {
  padding: var(--space-3xl) 0;
}

.stats-grid {
  display: flex;
  justify-content: center;
  gap: var(--space-3xl);
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
  min-width: 150px;
}

.stat-number {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-text-muted);
  letter-spacing: 0.03em;
}

/* ---- CTA Section ---- */
.cta-section {
  padding: var(--space-4xl) 0;
  text-align: center;
  background: var(--color-bg-primary);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.cta-section h2 {
  margin-bottom: var(--space-md);
}

.cta-section .section-subtitle {
  margin-bottom: var(--space-2xl);
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

/* ---- Responsive ---- */
@media (max-width: 1023px) {
  .story-block {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .story-block:nth-child(even) {
    direction: ltr;
  }

  .astro-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .hero-content h1 {
    font-size: clamp(2.5rem, 10vw, 3.5rem);
  }

  .astro-grid {
    grid-template-columns: 1fr;
  }

  .astro-grid-item .astro-label {
    transform: translateY(0);
  }

  .stats-grid {
    gap: var(--space-xl);
  }

  .stat-item {
    min-width: 120px;
  }
}