/* ========================================
   UNIFIED DESIGN SYSTEM
   Outer Court (NationOS) Design Enhancement
   Matching Third Canon ARK Quality
   ======================================== */

/* ========================================
   ROOT VARIABLES - SACRED DESIGN TOKENS
   ======================================== */

:root {
  /* Primary Colors - Covenant Palette */
  --primary-blue: #1a365d;
  --kingdom-gold: #d4af37;
  --deep-background: #0f172a;
  --light-text: #f8fafc;
  --secondary-blue: #2d3748;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #1a365d 0%, #2d3748 100%);
  --gradient-gold: linear-gradient(135deg, #d4af37 0%, #f0c44d 100%);
  --gradient-hero: linear-gradient(135deg, rgba(26, 54, 93, 0.95) 0%, rgba(15, 23, 42, 0.98) 100%);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;
  
  /* Typography */
  --font-heading: 'Cinzel', serif;
  --font-body: 'Crimson Text', serif;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-gold: 0 4px 20px rgba(212, 175, 55, 0.3);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ========================================
   GLOBAL RESETS & BASE STYLES
   ======================================== */

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

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

body {
  font-family: var(--font-body);
  background: var(--deep-background);
  color: var(--light-text);
  line-height: 1.8;
  overflow-x: hidden;
}

/* ========================================
   TYPOGRAPHY - SACRED TEXT HIERARCHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--kingdom-gold);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: 0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: 0.01em;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
  margin-bottom: var(--spacing-sm);
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  color: rgba(248, 250, 252, 0.9);
}

a {
  color: var(--kingdom-gold);
  text-decoration: none;
  transition: all var(--transition-normal);
}

a:hover {
  color: #f0c44d;
  text-shadow: 0 0 8px rgba(212, 175, 55, 0.5);
}

/* ========================================
   HEADER & NAVIGATION - COVENANT GATEWAY
   ======================================== */

header {
  background: var(--gradient-primary);
  border-bottom: 2px solid var(--kingdom-gold);
  box-shadow: var(--shadow-lg);
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--kingdom-gold);
  text-shadow: 0 2px 8px rgba(212, 175, 55, 0.4);
}

.logo img {
  height: 50px;
  width: auto;
  filter: drop-shadow(0 2px 8px rgba(212, 175, 55, 0.3));
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  background: transparent;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

nav ul {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
}

nav a {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 4px;
  transition: all var(--transition-normal);
}

nav a:hover {
  background: rgba(212, 175, 55, 0.1);
  transform: translateY(-2px);
}

/* ========================================
   HERO SECTION - THE OUTER GATE
   ======================================== */

.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
  background: var(--gradient-hero);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('../images/covenant-banner.png');
  background-size: cover;
  background-position: center;
  opacity: 0.15;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  animation: fadeInUp 1s ease-out;
}

.hero h1 {
  font-size: clamp(3rem, 6vw, 5rem);
  margin-bottom: var(--spacing-md);
  text-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
  animation: glow 3s ease-in-out infinite alternate;
}

@keyframes glow {
  from {
    text-shadow: 0 4px 16px rgba(212, 175, 55, 0.3);
  }
  to {
    text-shadow: 0 4px 24px rgba(212, 175, 55, 0.6);
  }
}

.hero-subtitle {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  color: var(--light-text);
  margin-bottom: var(--spacing-lg);
  font-weight: 400;
  opacity: 0.95;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========================================
   BUTTONS - COVENANT CALLS TO ACTION
   ======================================== */

.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: 8px;
  border: 2px solid var(--kingdom-gold);
  background: var(--gradient-gold);
  color: var(--primary-blue);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: var(--shadow-gold);
}

.btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 32px rgba(212, 175, 55, 0.5);
  background: linear-gradient(135deg, #f0c44d 0%, #d4af37 100%);
}

.btn-secondary {
  background: transparent;
  color: var(--kingdom-gold);
  border: 2px solid var(--kingdom-gold);
}

.btn-secondary:hover {
  background: var(--kingdom-gold);
  color: var(--primary-blue);
}

/* ========================================
   SECTIONS - COVENANT CONTENT AREAS
   ======================================== */

section {
  padding: var(--spacing-xl) var(--spacing-md);
  max-width: 1400px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-header h2 {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  margin-bottom: var(--spacing-sm);
}

.section-header p {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  max-width: 700px;
  margin: 0 auto;
  opacity: 0.9;
}

/* ========================================
   CARDS - COVENANT PILLARS
   ======================================== */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.card {
  background: var(--gradient-primary);
  border: 2px solid rgba(212, 175, 55, 0.3);
  border-radius: 12px;
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-md);
}

.card:hover {
  transform: translateY(-8px);
  border-color: var(--kingdom-gold);
  box-shadow: var(--shadow-gold);
}

.card h3 {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-sm);
  color: var(--kingdom-gold);
}

.card p {
  font-size: 1.125rem;
  line-height: 1.7;
}

/* ========================================
   FOOTER - COVENANT FOUNDATION
   ======================================== */

footer {
  background: var(--primary-blue);
  border-top: 2px solid var(--kingdom-gold);
  padding: var(--spacing-xl) var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.footer-section h4 {
  color: var(--kingdom-gold);
  margin-bottom: var(--spacing-sm);
  font-size: 1.25rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  color: var(--light-text);
  opacity: 0.8;
  transition: all var(--transition-fast);
}

.footer-links a:hover {
  opacity: 1;
  color: var(--kingdom-gold);
  padding-left: 4px;
}

.footer-bottom {
  text-align: center;
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(212, 175, 55, 0.3);
  color: rgba(248, 250, 252, 0.7);
}

/* ========================================
   RESPONSIVE DESIGN - MOBILE OPTIMIZATION
   ======================================== */

@media (max-width: 768px) {
  nav ul {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .header-content {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .hero {
    min-height: 70vh;
    padding: var(--spacing-lg) var(--spacing-sm);
  }
  
  .card-grid {
    grid-template-columns: 1fr;
  }
  
  section {
    padding: var(--spacing-lg) var(--spacing-sm);
  }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

.mt-lg {
  margin-top: var(--spacing-lg);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

/* Sacred atmosphere effects */
.sacred-glow {
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.2);
}

.fade-in {
  animation: fadeInUp 0.8s ease-out;
}


/* ========================================
   BUTTON VARIANTS
   ======================================== */

.btn-small {
  padding: 0.5rem 1.25rem;
  font-size: 0.9rem;
}

.btn-secondary {
  background: transparent;
  border: 2px solid var(--kingdom-gold);
  color: var(--kingdom-gold);
}

.btn-secondary:hover {
  background: var(--kingdom-gold);
  color: var(--deep-background);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}