/* Modern Professional Design System - Diwali 2025 */
/* Inspired by Award-Winning Festival Websites */

/* ===== FONT IMPORTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:wght@700;900&display=swap');

/* ===== CSS VARIABLES ===== */
:root {
  /* Modern Color Palette - Professional with Diwali accents */
  --color-primary: #FF6B35;      /* Warm orange - Festival of Lights */
  --color-primary-dark: #E85A2A;  /* Darker orange for hover states */
  --color-accent: #FFD700;        /* Gold - Traditional Diwali */
  --color-accent-soft: #FFF3CD;   /* Soft gold for backgrounds */
  --color-dark: #1A1A2E;          /* Deep navy - Night sky */
  --color-darker: #0F0F1E;        /* Darker navy */
  --color-light: #FAFAFA;         /* Off-white */
  --color-white: #FFFFFF;
  --color-gray-100: #F7F7F8;
  --color-gray-200: #E8E8EA;
  --color-gray-300: #D1D1D6;
  --color-gray-400: #A8A8B3;
  --color-gray-500: #6E6E7A;
  --color-gray-600: #4A4A57;
  
  /* Gradient Colors */
  --gradient-primary: linear-gradient(135deg, #FF6B35 0%, #FFD700 100%);
  --gradient-dark: linear-gradient(135deg, #1A1A2E 0%, #0F0F1E 100%);
  --gradient-mesh: radial-gradient(at 40% 20%, hsla(28, 100%, 74%, 0.3) 0px, transparent 50%),
                   radial-gradient(at 80% 0%, hsla(189, 100%, 56%, 0.2) 0px, transparent 50%),
                   radial-gradient(at 0% 50%, hsla(355, 100%, 93%, 0.2) 0px, transparent 50%);
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Playfair Display', 'Georgia', serif;
  
  /* Spacing Scale */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows - Subtle and Professional */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 0 30px rgba(255, 107, 53, 0.3);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Z-index Scale */
  --z-base: 10;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 300;
  --z-toast: 400;
}

/* ===== GLOBAL STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-gray-600);
  background-color: var(--color-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-gray-600);
  margin-bottom: var(--space-md);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  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(--space-md);
  color: var(--color-gray-600);
  line-height: 1.7;
}

.text-balance {
  text-wrap: balance;
}

/* ===== LAYOUT UTILITIES ===== */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-xl);
  }
}

/* ===== BENTO GRID SYSTEM ===== */
.bento-grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  grid-auto-rows: minmax(200px, auto);
}

@media (min-width: 768px) {
  .bento-grid {
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: minmax(250px, auto);
  }
  
  .bento-item-large {
    grid-column: span 2;
    grid-row: span 2;
  }
  
  .bento-item-wide {
    grid-column: span 2;
  }
  
  .bento-item-tall {
    grid-row: span 2;
  }
}

.bento-item {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  border: 1px solid var(--color-gray-200);
}

.bento-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* ===== GLASSMORPHISM EFFECTS ===== */
.glass {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-lg);
}

.glass-dark {
  background: rgba(26, 26, 46, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-white);
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--gradient-dark);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-mesh);
  opacity: 0.6;
  animation: meshAnimation 20s ease infinite;
}

@keyframes meshAnimation {
  0%, 100% { transform: scale(1) rotate(0deg); }
  50% { transform: scale(1.1) rotate(180deg); }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--color-white);
}

.hero h1 {
  font-size: clamp(3.5rem, 8vw, 6rem);
  font-weight: 900;
  color: #FFFFFF !important;
  margin-bottom: var(--space-lg);
  animation: fadeInUp 1s ease;
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.8), 0 0 10px rgba(255,255,255,0.3);
  -webkit-text-fill-color: #FFFFFF !important;
}

.hero h1 span:not(.text-gradient) {
  color: #FFFFFF !important;
  -webkit-text-fill-color: #FFFFFF !important;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  color: var(--color-gray-200);
  margin-bottom: var(--space-2xl);
  animation: fadeInUp 1s ease 0.2s both;
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--color-primary); /* Fallback color */
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-secondary {
  background: var(--color-white);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-white);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

/* ===== CARDS ===== */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.card-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card-image {
  transform: scale(1.05);
}

.card-content {
  padding: var(--space-xl);
}

.card-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--color-gray-600);
}

.card-description {
  color: var(--color-gray-500);
  margin-bottom: var(--space-lg);
}

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-gray-200);
  transition: all var(--transition-base);
}

.nav.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-primary);
  text-decoration: none;
}

.nav-menu {
  display: flex;
  gap: var(--space-xs);
  list-style: none;
}

.nav-link {
  padding: var(--space-sm) var(--space-lg);
  color: var(--color-gray-600);
  text-decoration: none;
  font-weight: 500;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
  background: var(--color-accent-soft);
  color: var(--color-primary);
}

/* ===== COUNTDOWN TIMER ===== */
.countdown {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  margin: var(--space-2xl) 0;
}

.countdown-item {
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  min-width: 100px;
}

.countdown-value {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color-primary);
  display: block;
}

.countdown-label {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.animate-fade-in {
  animation: fadeIn 1s ease;
}

.animate-fade-in-up {
  animation: fadeInUp 1s ease;
}

.animate-slide-in {
  animation: slideIn 1s ease;
}

.animate-pulse {
  animation: pulse 2s ease infinite;
}

/* ===== SCROLL ANIMATIONS ===== */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .countdown {
    flex-wrap: wrap;
    gap: var(--space-md);
  }
  
  .countdown-item {
    min-width: 70px;
    padding: var(--space-md);
  }
  
  .countdown-value {
    font-size: 1.75rem;
  }
}

/* ===== ACCESSIBILITY ===== */
:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===== LOADING STATES ===== */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-gray-200) 25%,
    var(--color-gray-100) 50%,
    var(--color-gray-200) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* ===== DECORATIVE ELEMENTS ===== */
.diya-decoration {
  position: absolute;
  width: 30px;
  height: 30px;
  background: var(--gradient-primary);
  border-radius: 50% 0;
  transform: rotate(45deg);
  opacity: 0.3;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50% { transform: rotate(45deg) translateY(-20px); }
}

/* ===== DARK MODE ===== */
@media (prefers-color-scheme: dark) {
  :root {
    --color-white: #1A1A2E;
    --color-light: #0F0F1E;
    --color-dark: #FAFAFA;
    --color-gray-600: #A8A8B3;
    --color-gray-500: #D1D1D6;
  }
  
  body {
    background-color: var(--color-darker);
  }
  
  .card {
    background: var(--color-dark);
  }
}