/* ==========================================================================
   Bhakti Chaitanya Swami - Core Design System & Global Styles
   ========================================================================== */

:root {
  /* Color Palette */
  --c-white: #ffffff;
  --c-saffron: #f48024;
  --c-dark-blue: #0b1c3c;
  --c-dark-blue-light: #163266;
  --c-gold: #c6a858;
  --c-gold-light: #e0ca86;
  --c-cream: #fbf8f1;
  --c-maroon: #800000;
  --c-maroon-dark: #4a0000;
  --c-black: #111111;
  --c-gray-100: #f5f5f5;
  --c-gray-200: #eeeeee;
  --c-gray-600: #666666;
  --c-gray-800: #333333;

  /* Typography */
  --f-primary: 'Inter', system-ui, -apple-system, sans-serif;
  --f-display: 'Cinzel', serif; /* Use a classy serif for elegant headings, fallback if needed or import */
  --f-mono: 'JetBrains Mono', monospace;

  --fw-light: 300;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-bold: 700;
  --fw-black: 900;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --spacing-xxl: 10rem;

  /* Layout */
  --max-width: 1400px;
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 32px;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-medium: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadows (Glassmorphism / Premium) */
  --shadow-sm: 0 4px 6px rgba(0,0,0,0.05);
  --shadow-md: 0 10px 30px rgba(0,0,0,0.1);
  --shadow-lg: 0 20px 40px rgba(0,0,0,0.15);
  --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
  
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-bg-dark: rgba(11, 28, 60, 0.8);
  --glass-border: 1px solid rgba(255, 255, 255, 0.3);
}

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600;800&family=Inter:wght@300;400;500;700&family=JetBrains+Mono:wght@400&display=swap');

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */

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

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

body {
  font-family: var(--f-primary);
  background-color: var(--c-cream);
  color: var(--c-gray-800);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography Base */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--f-display);
  margin-bottom: var(--spacing-sm);
  line-height: 1.1;
}

h1 { font-size: clamp(3rem, 6vw, 5rem); font-weight: var(--fw-bold); letter-spacing: -0.02em; }
h2 { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: var(--fw-bold); color: var(--c-maroon); }
h3 { font-size: clamp(2rem, 3vw, 2.5rem); color: var(--c-maroon); }
h4 { font-size: 1.5rem; }
p { margin-bottom: var(--spacing-md); font-size: 1.125rem; }
a { color: inherit; text-decoration: none; transition: all var(--transition-fast); }

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

img.cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Containers */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--spacing-lg);
}

section {
  padding: var(--spacing-xxl) 0;
  position: relative;
}

/* ==========================================================================
   Utility Classes & Design Tokens
   ========================================================================== */

.bg-dark-blue { background-color: var(--c-dark-blue); color: var(--c-white); }
.bg-cream { background-color: var(--c-cream); }
.bg-white { background-color: var(--c-white); }
.text-gold { color: var(--c-gold); }
.text-maroon { color: var(--c-maroon); }
.text-saffron { color: var(--c-saffron); }

/* Glassmorphism utility */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: var(--glass-border);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-glass);
}
.glass-panel-dark {
  background: var(--glass-bg-dark);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-glass);
  color: var(--c-white);
}

/* Layout utilities */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: var(--spacing-lg); }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2.5rem;
  font-family: var(--f-primary);
  font-weight: var(--fw-medium);
  font-size: 1.125rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: 50px;
  cursor: pointer;
  transition: all var(--transition-medium);
  border: none;
  outline: none;
  position: relative;
  overflow: hidden;
}

.btn-saffron {
  background-color: var(--c-saffron);
  color: var(--c-white);
  box-shadow: 0 4px 15px rgba(244, 128, 36, 0.3);
}

.btn-saffron:hover {
  background-color: #e06c11;
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(244, 128, 36, 0.4);
}

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

.btn-outline-gold:hover {
  background-color: var(--c-gold);
  color: var(--c-dark-blue);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

header.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0,0,0,0.05);
  transition: all var(--transition-medium);
  padding: 1.5rem 0;
}

header.main-header.scrolled {
  padding: 1rem 0;
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo a {
  font-family: var(--f-display);
  font-size: 1.5rem;
  font-weight: var(--fw-bold);
  color: var(--c-dark-blue);
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links li a {
  font-size: 0.95rem;
  font-weight: var(--fw-medium);
  color: var(--c-dark-blue);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: relative;
}

.nav-links li a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--c-saffron);
  transition: width var(--transition-fast);
}

.nav-links li a:hover::after,
.nav-links li a.active::after {
  width: 100%;
}

.nav-links li a:hover,
.nav-links li a.active {
  color: var(--c-saffron);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  z-index: 1001;
}

.menu-toggle span {
  width: 30px;
  height: 2px;
  background-color: var(--c-dark-blue);
  transition: var(--transition-fast);
}

@media (max-width: 992px) {
  .menu-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background-color: var(--c-white);
    flex-direction: column;
    padding: 6rem 2rem;
    box-shadow: -10px 0 30px rgba(0,0,0,0.1);
    transition: right var(--transition-medium);
  }
  .nav-links.active { right: 0; }
  .menu-toggle.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .menu-toggle.active span:nth-child(2) { opacity: 0; }
  .menu-toggle.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
}

/* ==========================================================================
   Footer
   ========================================================================== */

footer.main-footer {
  background-color: var(--c-dark-blue);
  color: var(--c-white);
  padding: var(--spacing-xl) 0 var(--spacing-md);
  border-top: 5px solid var(--c-gold);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

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

.footer-col p {
  color: rgba(255,255,255,0.7);
  font-size: 1rem;
}

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

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: rgba(255,255,255,0.7);
  font-size: 1rem;
}

.footer-links a:hover {
  color: var(--c-saffron);
  padding-left: 5px;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.5);
  font-size: 0.875rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-bottom a {
  color: var(--c-gold);
}
.footer-bottom a:hover {
  color: var(--c-saffron);
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   Animations & Effects
   ========================================================================== */

.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }

/* Blob Background Animation for Hero */
.blob-shape {
  position: absolute;
  filter: blur(80px);
  z-index: 0;
  opacity: 0.4;
  animation: float 10s ease-in-out infinite alternate;
}

.blob-1 {
  width: 400px;
  height: 400px;
  background: var(--c-saffron);
  top: -100px;
  right: -100px;
  border-radius: 50%;
}

.blob-2 {
  width: 500px;
  height: 500px;
  background: var(--c-dark-blue-light);
  bottom: -200px;
  left: -100px;
  border-radius: 50%;
  animation-delay: -5s;
}

@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(50px, 50px) scale(1.1); }
}

/* Noise overlay */
.noise-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Page Preloader */
#preloader {
  position: fixed;
  inset: 0;
  background-color: var(--c-dark-blue);
  z-index: 10000;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity 0.5s ease;
}

#preloader.fade-out {
  opacity: 0;
  pointer-events: none;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(255,255,255,0.1);
  border-radius: 50%;
  border-left-color: var(--c-gold);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}