/* Mount Kilimanjaro - Static Site Styles */
/* Mountain-inspired color palette: earth tones, sky blues, natural grays */

:root {
  /* Colors - Mountain & Sky inspired */
  --summit-white: #f8f9fa;
  --snow-gray: #e9ecef;
  --rock-gray: #6c757d;
  --earth-brown: #8b7355;
  --earth-dark: #5d4e37;
  --sky-blue: #74a5c9;
  --sky-deep: #4a6fa5;
  --forest-green: #4a6741;
  --heather-purple: #8b7b9e;
  --arctic-blue: #b8c5d1;
  --text-dark: #2c3e50;
  --text-light: #5a6c7d;
  
  /* Spacing scale - 8px base */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4rem;
  
  /* Typography */
  --font-heading: "Georgia", "Times New Roman", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  
  /* Breakpoints */
  --bp-mobile: 480px;
  --bp-tablet: 768px;
  --bp-desktop: 1024px;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  line-height: 1.7;
  background-color: var(--summit-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-dark);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: var(--space-2);
}

h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  margin-bottom: var(--space-3);
  color: var(--earth-dark);
}

h3 {
  font-size: clamp(1.3rem, 2vw, 1.6rem);
  margin-bottom: var(--space-2);
  color: var(--sky-deep);
}

p {
  margin-bottom: var(--space-2);
  color: var(--text-light);
}

/* Container */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-3);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(180deg, var(--sky-deep) 0%, var(--sky-blue) 40%, var(--arctic-blue) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 40%;
  background: linear-gradient(180deg, transparent 0%, rgba(139, 115, 85, 0.3) 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: var(--space-4);
}

.hero h1 {
  color: var(--summit-white);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  letter-spacing: 0.05em;
}

.hero .tagline {
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  color: var(--snow-gray);
  font-weight: 300;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Mountain silhouette effect */
.hero-mountain {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 30%;
  background: linear-gradient(180deg, transparent 0%, var(--earth-dark) 100%);
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
  opacity: 0.4;
}

/* Sections */
section {
  padding: var(--space-6) 0;
}

section:nth-child(even) {
  background-color: var(--snow-gray);
}

/* Section headers */
.section-header {
  text-align: center;
  margin-bottom: var(--space-5);
}

/* Key Facts - Cards */
.facts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-3);
}

.fact-card {
  background: var(--summit-white);
  padding: var(--space-3);
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  border-left: 3px solid var(--earth-brown);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.fact-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.fact-card .label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--rock-gray);
  margin-bottom: var(--space-1);
}

.fact-card .value {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-dark);
  font-family: var(--font-heading);
}

/* Volcanic Cones */
.cones-section {
  background: linear-gradient(135deg, var(--snow-gray) 0%, var(--arctic-blue) 100%);
}

.cones-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-3);
}

.cone-card {
  background: var(--summit-white);
  padding: var(--space-4);
  border-radius: 4px;
  border-top: 4px solid var(--sky-deep);
}

.cone-card h3 {
  color: var(--earth-dark);
  margin-bottom: var(--space-1);
}

.cone-card .elevation {
  font-size: 0.9rem;
  color: var(--earth-brown);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

/* Ecological Zones - Timeline */
.zones-section {
  background: var(--summit-white);
}

.zones-timeline {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
  padding-left: var(--space-3);
}

.zones-timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--forest-green) 0%, var(--heather-purple) 50%, var(--arctic-blue) 100%);
}

.zone-item {
  position: relative;
  padding-left: var(--space-4);
  margin-bottom: var(--space-3);
}

.zone-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--summit-white);
  border: 3px solid var(--earth-brown);
  z-index: 1;
}

.zone-item:nth-child(1)::before { border-color: var(--forest-green); }
.zone-item:nth-child(2)::before { border-color: var(--forest-green); }
.zone-item:nth-child(3)::before { border-color: var(--heather-purple); }
.zone-item:nth-child(4)::before { border-color: var(--rock-gray); }
.zone-item:nth-child(5)::before { border-color: var(--arctic-blue); }

.zone-name {
  font-weight: 600;
  color: var(--text-dark);
  font-size: 1.1rem;
}

.zone-elevation {
  font-size: 0.9rem;
  color: var(--rock-gray);
  margin-bottom: var(--space-1);
}

/* Routes Section */
.routes-section {
  background: var(--snow-gray);
}

.routes-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-2);
}

.route-item {
  background: var(--summit-white);
  padding: var(--space-3);
  border-radius: 4px;
  border-left: 3px solid var(--sky-deep);
}

.route-name {
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: var(--space-1);
}

.route-desc {
  font-size: 0.9rem;
  color: var(--text-light);
  margin: 0;
}

/* Conservation */
.conservation-section {
  background: linear-gradient(135deg, var(--forest-green) 0%, var(--earth-dark) 100%);
  color: var(--summit-white);
  text-align: center;
}

.conservation-section h2 {
  color: var(--summit-white);
}

.conservation-section p {
  color: var(--snow-gray);
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto var(--space-2);
}

/* Footer */
footer {
  background: var(--text-dark);
  color: var(--snow-gray);
  text-align: center;
  padding: var(--space-4) 0;
}

footer p {
  color: var(--rock-gray);
  margin: 0;
  font-size: 0.95rem;
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-2);
  }
  
  section {
    padding: var(--space-4) 0;
  }
  
  .facts-grid,
  .cones-grid {
    grid-template-columns: 1fr;
  }
  
  .routes-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .zone-item {
    padding-left: var(--space-3);
  }
  
  .fact-card,
  .cone-card,
  .route-item {
    padding: var(--space-2);
  }
}