/* ==========================================================================
   NAMÍBIA ADVENTURE - MAIN STYLES & DESIGN SYSTEM
   ========================================================================== */

/* Fonts are loaded via <link> in each HTML page (faster than @import). */

:root {
  /* Core Colors */
  --color-sand: #E6A760;
  --color-sand-light: #F4D09F;
  --color-sand-glow: rgba(230, 167, 96, 0.25);
  
  --color-desert-dune: #D96B27;
  --color-desert-dark: #A74116;
  --color-desert-rust: #862E12;
  
  --color-savannah-green: #2B4C38;
  --color-savannah-light: #4A7C59;
  
  --color-dark-900: #0D1013;
  --color-dark-800: #14191E;
  --color-dark-700: #1C232B;
  --color-dark-600: #26303B;
  --color-dark-500: #364352;
  
  --color-text-main: #FFFFFF;
  --color-text-muted: #A0ABB8;
  --color-text-dim: #6F7D8C;
  --color-text-sand: #E8D7C3;
  
  --color-bg-card: rgba(20, 25, 30, 0.85);
  --color-bg-glass: rgba(20, 25, 30, 0.65);
  --color-border-glass: rgba(255, 255, 255, 0.08);
  --color-border-sand: rgba(217, 107, 39, 0.35);
  
  --color-gold: #F2C14E;
  --color-success: #2EC4B6;
  --color-accent-blue: #3A86FF;

  /* Typography */
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --container-max: 1320px;
  --section-py: clamp(4.5rem, 8vw, 7.5rem);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.6);
  --shadow-sand: 0 10px 30px rgba(217, 107, 39, 0.3);
  --shadow-glow: 0 0 40px rgba(230, 167, 96, 0.35);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   RESET & BASE
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--color-dark-900);
  color: var(--color-text-main);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body {
  line-height: 1.6;
  background-color: var(--color-dark-900);
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(217, 107, 39, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(43, 76, 56, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(230, 167, 96, 0.02) 0%, transparent 60%);
  background-attachment: fixed;
  overflow-x: hidden;
  position: relative;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--color-dark-900);
}
::-webkit-scrollbar-thumb {
  background: var(--color-dark-600);
  border-radius: var(--radius-full);
  border: 2px solid var(--color-dark-900);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-desert-dune);
}

/* Base Headings & Text */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-text-main);
  letter-spacing: -0.02em;
}

p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  outline: none;
  border: none;
}

/* ==========================================================================
   LAYOUT CONTAINERS & UTILITIES
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(1.25rem, 3vw, 2.5rem);
  padding-right: clamp(1.25rem, 3vw, 2.5rem);
}

.section {
  padding-top: var(--section-py);
  padding-bottom: var(--section-py);
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto clamp(2.5rem, 5vw, 4rem) auto;
}

.section-header.text-left {
  text-align: left;
  margin-left: 0;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-sand);
  background: rgba(230, 167, 96, 0.12);
  border: 1px solid rgba(230, 167, 96, 0.3);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
  backdrop-filter: blur(8px);
}

.section-title {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  margin-bottom: 1.25rem;
  font-weight: 800;
  background: linear-gradient(135deg, #FFFFFF 30%, #E8D7C3 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-title span {
  background: linear-gradient(135deg, var(--color-sand) 0%, var(--color-desert-dune) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
  color: var(--color-text-muted);
}

/* Glassmorphism Card Base */
.glass-card {
  background: var(--color-bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.glass-card:hover {
  border-color: rgba(230, 167, 96, 0.35);
  box-shadow: var(--shadow-lg), var(--shadow-sand);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-primary {
  background: rgba(217, 107, 39, 0.2);
  color: var(--color-sand-light);
  border: 1px solid rgba(217, 107, 39, 0.4);
}

.badge-success {
  background: rgba(46, 196, 182, 0.15);
  color: #5cecd9;
  border: 1px solid rgba(46, 196, 182, 0.3);
}

.badge-gold {
  background: rgba(242, 193, 78, 0.15);
  color: var(--color-gold);
  border: 1px solid rgba(242, 193, 78, 0.4);
}

.badge-dark {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text-sand);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Floating Ambient Starfield Animation Effect */
.ambient-glow {
  position: absolute;
  width: 450px;
  height: 450px;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
}

.glow-orange {
  background: radial-gradient(circle, var(--color-desert-dune) 0%, transparent 70%);
}

.glow-green {
  background: radial-gradient(circle, var(--color-savannah-light) 0%, transparent 70%);
}

.glow-sand {
  background: radial-gradient(circle, var(--color-sand) 0%, transparent 70%);
}

/* Keyframe Animations */
@keyframes pulseSubtle {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.04); opacity: 1; }
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.animate-float {
  animation: floatSlow 5s ease-in-out infinite;
}