.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 700px;
  max-height: 1200px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 0;
}

.hero-sky {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg,
      #82b5d4 0%,
      #92c4e0 10%,
      #a5d0e8 25%,
      #b8d8f0 40%,
      #cbe4f4 55%,
      #dbeef8 70%,
      #e8f5fa 85%,
      #f0f8fa 95%,
      #f5f8fa 100%);
  z-index: 1;
  transition: background var(--transition-slow);
}

[data-theme="dark"] .hero-sky {
  background: linear-gradient(180deg,
      #060d18 0%,
      #0a1628 10%,
      #0d1e38 25%,
      #102444 40%,
      #142a50 55%,
      #162e58 70%,
      #183060 85%,
      #16284a 95%,
      #12202e 100%);
}

.hero-sky::before {
  content: '';
  position: absolute;
  top: 5%;
  left: 50%;
  transform: translateX(-50%);
  width: 120%;
  height: 25%;
  background: radial-gradient(ellipse 50% 80% at 50% 50%,
      rgba(255, 255, 255, 0.12) 0%,
      rgba(255, 255, 255, 0.05) 40%,
      transparent 70%);
  pointer-events: none;
}

.hero-sky::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 70%;
  background:
    radial-gradient(1px 1px at 15% 12%, rgba(255, 255, 255, 0.9) 0%, transparent 100%),
    radial-gradient(1px 1px at 28% 8%, rgba(255, 255, 255, 0.7) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 42% 5%, rgba(255, 255, 255, 0.85) 0%, transparent 100%),
    radial-gradient(1px 1px at 55% 14%, rgba(255, 255, 255, 0.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 68% 7%, rgba(255, 255, 255, 0.8) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 80% 10%, rgba(255, 255, 255, 0.9) 0%, transparent 100%),
    radial-gradient(1px 1px at 90% 18%, rgba(255, 255, 255, 0.65) 0%, transparent 100%),
    radial-gradient(1px 1px at 8% 25%, rgba(255, 255, 255, 0.75) 0%, transparent 100%),
    radial-gradient(1px 1px at 35% 20%, rgba(255, 255, 255, 0.55) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 62% 22%, rgba(255, 255, 255, 0.8) 0%, transparent 100%),
    radial-gradient(1px 1px at 74% 28%, rgba(255, 255, 255, 0.7) 0%, transparent 100%),
    radial-gradient(1px 1px at 22% 33%, rgba(255, 255, 255, 0.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 48% 30%, rgba(255, 255, 255, 0.5) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 88% 35%, rgba(255, 255, 255, 0.75) 0%, transparent 100%),
    radial-gradient(1px 1px at 5% 40%, rgba(255, 255, 255, 0.65) 0%, transparent 100%),
    radial-gradient(1px 1px at 95% 42%, rgba(255, 255, 255, 0.55) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none;
}

[data-theme="dark"] .hero-sky::after {
  opacity: 1;
}

.clouds-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 45%;
  z-index: 2;
  pointer-events: none;
  overflow: hidden;
  transition: opacity var(--transition-slow);
}

[data-theme="dark"] .clouds-container {
  opacity: 0.08;
}

.clouds-svg {
  width: 100%;
  height: 100%;
}

.cloud-1 {
  animation: cloud-drift-slow 90s linear infinite;
}

.cloud-2 {
  animation: cloud-drift-slow 120s linear infinite;
  animation-delay: -40s;
}

.cloud-3 {
  animation: cloud-drift-fast 70s linear infinite;
  animation-delay: -20s;
}

.cloud-4 {
  animation: cloud-drift-slow 100s linear infinite;
  animation-delay: -60s;
}

.cloud-5 {
  animation: cloud-drift-slow 85s linear infinite;
  animation-delay: -25s;
}

@keyframes cloud-drift-slow {
  0% {
    transform: translateX(0px);
  }

  100% {
    transform: translateX(160px);
  }
}

@keyframes cloud-drift-fast {
  0% {
    transform: translateX(0px);
  }

  100% {
    transform: translateX(90px);
  }
}


.mountains-container {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 3;
  pointer-events: none;
}

.mountain-layer {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.mountain-distant {
  z-index: 4;
  opacity: 0.85;
  filter: blur(0.3px);
}

.mountain-mid {
  z-index: 5;
  opacity: 0.92;
}

.mountain-foreground {
  z-index: 6;
}

.mountain-close {
  z-index: 7;
}

.mountain-layer path {
  transition: opacity 0.3s ease;
}

.snow-cap {
  animation: snow-shimmer 6s ease-in-out infinite;
}

@keyframes snow-shimmer {

  0%,
  100% {
    opacity: var(--snow-opacity, 0.85);
    filter: brightness(1);
  }

  50% {
    opacity: calc(var(--snow-opacity, 0.85) + 0.1);
    filter: brightness(1.05);
  }
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 0 var(--space-6);
  max-width: 800px;
}

.hero-text-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 10vw, 6rem);
  font-weight: 700;
  color: var(--color-dark-deep);
  letter-spacing: -0.03em;
  line-height: 1;
  text-shadow:
    0 2px 4px rgba(255, 255, 255, 0.8),
    0 4px 8px rgba(255, 255, 255, 0.4);
  transition: color var(--transition-slow), text-shadow var(--transition-slow);
}

[data-theme="dark"] .hero-title {
  color: #e8f4ff;
  text-shadow:
    0 0 40px rgba(160, 210, 255, 0.3),
    0 2px 8px rgba(0, 0, 0, 0.6);
}

.hero-title-line {
  display: block;
}


.hero-gradient-transition {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 180px;
  background: linear-gradient(to bottom,
      transparent 0%,
      rgba(245, 248, 250, 0.2) 25%,
      rgba(245, 248, 250, 0.55) 55%,
      var(--color-snow) 100%);
  z-index: 8;
  pointer-events: none;
  transition: background var(--transition-slow);
}

[data-theme="dark"] .hero-gradient-transition {
  background: linear-gradient(to bottom,
      transparent 0%,
      rgba(18, 32, 46, 0.2) 25%,
      rgba(18, 32, 46, 0.6) 55%,
      #16222a 100%);
}

.hero-atmosphere {
  position: absolute;
  bottom: 250px;
  left: 0;
  width: 100%;
  height: 120px;
  background: linear-gradient(to bottom,
      transparent 0%,
      rgba(200, 215, 228, 0.08) 50%,
      transparent 100%);
  z-index: 5;
  pointer-events: none;
  animation: atmosphere-shift 20s ease-in-out infinite;
}

@keyframes atmosphere-shift {

  0%,
  100% {
    opacity: 0.6;
    transform: translateY(0);
  }

  50% {
    opacity: 0.8;
    transform: translateY(-15px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .cloud {
    animation: none;
  }

  .hero-atmosphere {
    animation: none;
  }

  .snow-cap {
    animation: none;
  }
}