:root {
  --parallax-text: #f5f5f0;
  --parallax-dark: #1a1a1a;
  --parallax-cream: #faf9f6;
  --parallax-stone: #8b8b7a;
  --parallax-sage: #9caa8e;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--parallax-cream);
  color: var(--parallax-dark);
  font-family: 'Georgia', 'Times New Roman', serif;
}

.section-nav {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
  justify-content: center;
  max-width: calc(100% - 2rem);
  padding: 0.5rem;
  background: rgba(18, 20, 24, 0.65);
  border: 0.0625rem solid rgba(245, 245, 240, 0.25);
  backdrop-filter: blur(0.375rem);
}

.section-nav a {
  color: var(--parallax-text);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.65rem;
  padding: 0.4rem 0.6rem;
  border: 0.0625rem solid transparent;
  transition:
    border-color 0.2s ease,
    background-color 0.2s ease;
}

.section-nav a:hover {
  border-color: rgba(245, 245, 240, 0.65);
  background: rgba(245, 245, 240, 0.08);
}

[id] {
  scroll-margin-top: 5rem;
}

.parallax-container {
  overflow-x: hidden;
}

.parallax-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

.hero-section {
  background-image: url('./assets/images/hero-bg.jpg');
}

.forest-section {
  background-image: url('./assets/images/forest-bg.jpg');
  min-height: 70vh;
}

.ocean-section {
  background-image: url('./assets/images/ocean-bg.jpg');
  min-height: 70vh;
}

.desert-section {
  background-image: url('./assets/images/desert-bg.jpg');
  min-height: 70vh;
}

.parallax-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.3) 0%,
    rgba(0, 0, 0, 0.5) 100%
  );
}

.parallax-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 2rem;
  max-width: 50rem;
}

.hero-title {
  font-size: clamp(3rem, 10vw, 6rem);
  font-weight: 200;
  color: var(--parallax-text);
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--parallax-text);
  opacity: 0.9;
  font-weight: 300;
  letter-spacing: 0.15em;
  margin-bottom: 4rem;
}

.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.scroll-text {
  font-size: 0.75rem;
  color: var(--parallax-text);
  opacity: 0.7;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.scroll-arrow {
  width: 0.0625rem;
  height: 3.75rem;
  background: linear-gradient(
    to bottom,
    var(--parallax-text) 0%,
    transparent 100%
  );
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%,
  100% {
    opacity: 0.3;
    transform: scaleY(1);
  }
  50% {
    opacity: 1;
    transform: scaleY(1.2);
  }
}

.parallax-label {
  display: block;
  font-size: 0.75rem;
  color: var(--parallax-text);
  opacity: 0.8;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.parallax-title {
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 200;
  color: var(--parallax-text);
  letter-spacing: 0.05em;
}

.content-section {
  background-color: var(--parallax-cream);
  padding: 6rem 2rem;
}

.content-wrapper {
  max-width: 56.25rem;
  margin: 0 auto;
}

.section-label {
  display: block;
  font-size: 0.7rem;
  color: var(--parallax-stone);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 300;
  color: var(--parallax-dark);
  margin-bottom: 2rem;
  letter-spacing: 0.02em;
}

.section-text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--parallax-stone);
  margin-bottom: 1.5rem;
}

.section-text.centered {
  text-align: center;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17.5rem, 1fr));
  gap: 3rem;
  margin-top: 4rem;
}

.feature-card {
  padding: 2rem 0;
  border-top: 0.0625rem solid rgba(139, 139, 122, 0.2);
}

.feature-icon {
  font-size: 0.875rem;
  color: var(--parallax-sage);
  font-weight: 300;
  margin-bottom: 1.5rem;
  letter-spacing: 0.1em;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--parallax-dark);
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}

.feature-text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--parallax-stone);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.gallery-item {
  aspect-ratio: 4/3;
  background-size: cover;
  background-position: center;
  filter: grayscale(20%);
  transition: filter 0.5s ease;
}

.gallery-item:hover {
  filter: grayscale(0%);
}

.gallery-item-1 {
  background-image: url('./assets/images/hero-bg.jpg');
}

.gallery-item-2 {
  background-image: url('./assets/images/forest-bg.jpg');
}

.gallery-item-3 {
  background-image: url('./assets/images/ocean-bg.jpg');
}

.gallery-item-4 {
  background-image: url('./assets/images/desert-bg.jpg');
}

.footer {
  background-color: var(--parallax-dark);
  padding: 3rem 2rem;
  border-top: 0.0625rem solid rgba(139, 139, 122, 0.2);
}

.footer-content {
  max-width: 56.25rem;
  margin: 0 auto;
  text-align: center;
}

.footer-text {
  font-size: 0.875rem;
  color: var(--parallax-stone);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.footer-copyright {
  font-size: 0.75rem;
  color: rgba(139, 139, 122, 0.6);
  letter-spacing: 0.05em;
}

@media (max-width: 48rem) {
  .section-nav {
    top: 0;
    left: 0;
    transform: none;
    max-width: 100%;
    width: 100%;
    border-left: 0;
    border-right: 0;
    padding: 0.5rem 0.375rem;
  }

  .section-nav a {
    font-size: 0.6rem;
    padding: 0.375rem 0.5rem;
  }

  [id] {
    scroll-margin-top: 4.75rem;
  }

  .parallax-section {
    background-attachment: scroll;
  }

  .content-section {
    padding: 4rem 1.5rem;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .features-grid {
    gap: 2rem;
  }
}