/* assets/css/style.css */
:root {
  /* Enhanced Primary Color Palette - More Vibrant */
  --primary: #3b82f6;        /* Rich Blue */
  --primary-dark: #1e40af;   /* Deep Blue */
  --primary-light: #60a5fa;  /* Light Blue */
  
  /* Enhanced Secondary Color Palette - More Vibrant */
  --secondary: #8b5cf6;      /* Vibrant Purple */
  --secondary-dark: #6d28d9; /* Deep Purple */
  --secondary-light: #a78bfa;/* Light Purple */
  
  /* Accent Colors - More Striking */
  --accent: #10b981;         /* Vibrant Emerald */
  --warning: #f59e0b;        /* Bright Amber */
  --danger: #ef4444;         /* Bright Red */
  --info: #06b6d4;           /* Bright Cyan */
  
  /* Added Accent Colors for Visual Variety */
  --pink: #ec4899;           /* Vibrant Pink */
  --pink-dark: #be185d;      /* Deep Pink */
  --pink-light: #f9a8d4;     /* Light Pink */
  
  /* Gray Scale - Enhanced for Better Contrast */
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  
  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  
  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  --spacing-24: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.125rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows - Enhanced for More Definition */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  
  /* Enhanced Shadows with Color */
  --shadow-primary: 0 10px 15px -3px rgba(59, 130, 246, 0.3);
  --shadow-secondary: 0 10px 15px -3px rgba(139, 92, 246, 0.3);
  --shadow-accent: 0 10px 15px -3px rgba(16, 185, 129, 0.3);
  
  /* Custom properties for animations - Ultra-quick animations */
  --transition-fast: 50ms;
  --transition-normal: 100ms;
  --transition-slow: 150ms;
  --easing-standard: cubic-bezier(0.25, 0.1, 0.25, 1);
  --easing-accelerate: cubic-bezier(0.4, 0.0, 1, 1);
  --easing-decelerate: cubic-bezier(0.0, 0.0, 0.2, 1);
}

/* Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--gray-800);
  background-color: var(--gray-50);
  line-height: 1.5;
  overflow-x: hidden;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
  letter-spacing: -0.01em;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast) var(--easing-standard);
  position: relative;
}

a:hover {
  color: var(--primary-dark);
}

/* Typography - Enhanced for Better Readability */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 0.5em;
  color: var(--gray-900);
  letter-spacing: -0.025em;
}

h1 {
  font-size: var(--text-5xl);
  font-weight: 800;
  letter-spacing: -0.03em;
}

h2 {
  font-size: var(--text-3xl);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h3 {
  font-size: var(--text-2xl);
  font-weight: 600;
  letter-spacing: -0.01em;
}

p {
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

/* Enhanced Gradient Text Effect */
.text-gradient {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 50%, var(--pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  /* text-fill-color: transparent; */
  display: inline-block;
}

.lead {
  font-size: 1.125rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--gray-700);
}

/* Header & Navigation - Enhanced styling */
.navbar {
  padding: 1rem 1.5rem;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px); 
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal) var(--easing-standard);
}

.navbar.scrolled {
  padding: 0.65rem 1.5rem;
  box-shadow: var(--shadow-lg);
  background-color: rgba(255, 255, 255, 0.98);
}

.nav-link {
  position: relative;
  font-weight: 500;
  color: var(--gray-600);
  padding: 0.5rem 1rem;
  transition: all var(--transition-fast) var(--easing-accelerate);
  border-radius: var(--radius-md);
}

.nav-link:hover {
  color: var(--primary);
  background-color: rgba(59, 130, 246, 0.05);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--secondary), var(--primary), var(--pink));
  transition: all var(--transition-fast) var(--easing-accelerate);
  transform: translateX(-50%);
  opacity: 0;
  border-radius: 3px;
}

.nav-link:hover::after {
  width: 60%;
  opacity: 1;
}

.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}

.nav-link.active::after {
  width: 60%;
  opacity: 1;
}

/* Enhanced Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.5rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: all 0.1s var(--easing-accelerate);
  cursor: pointer;
  gap: 0.5rem;
  letter-spacing: 0.01em;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transition: width 0.1s ease, height 0.1s ease;
  transform: translate(-50%, -50%);
}

.btn:hover::before {
  width: 300%;
  height: 300%;
}

.btn-primary {
  background: linear-gradient(90deg, var(--secondary), var(--primary), var(--pink));
  color: white;
  background-size: 200% auto;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background-position: right center;
  color: white;
  box-shadow: var(--shadow-primary);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: linear-gradient(90deg, var(--secondary-dark), var(--secondary));
  color: white;
  background-size: 200% auto;
}

.btn-secondary:hover {
  background-position: right center;
  color: white;
  box-shadow: var(--shadow-secondary);
  transform: translateY(-2px);
}

.btn-accent {
  background-color: var(--accent);
  color: white;
}

.btn-accent:hover {
  background-color: color-mix(in srgb, var(--accent) 80%, black);
  color: white;
  box-shadow: var(--shadow-accent);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--gray-300);
  color: var(--gray-700);
}

.btn-outline:hover {
  background-color: var(--gray-100);
  border-color: var(--gray-400);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-outline-primary {
  background: linear-gradient(white, white) padding-box, 
              linear-gradient(90deg, var(--secondary), var(--primary), var(--pink)) border-box;
  border: 2px solid transparent;
  color: var(--primary);
}

.btn-outline-primary:hover {
  background: linear-gradient(90deg, var(--secondary), var(--primary), var(--pink)) border-box;
  color: white;
  box-shadow: var(--shadow-primary);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 0.75rem 1.75rem;
  font-size: var(--text-lg);
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: 0.375rem 1rem;
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
}

/* Enhanced Cards */
.card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.1s var(--easing-accelerate), 
              box-shadow 0.1s var(--easing-accelerate);
  background-color: white;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--gray-300);
}

.feature-card {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--spacing-6);
  transition: all 0.1s var(--easing-accelerate);
  background-color: white;
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-sm);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.02) 0%, rgba(59, 130, 246, 0.02) 50%, rgba(236, 72, 153, 0.02) 100%);
  border-radius: var(--radius-lg);
  z-index: -1;
  opacity: 0;
  transition: opacity 0.1s var(--easing-accelerate);
}

.feature-card:hover {
  border-color: transparent;
  background: linear-gradient(white, white) padding-box,
              linear-gradient(135deg, var(--secondary), var(--primary), var(--pink)) border-box;
  border: 1px solid transparent;
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.feature-card:hover::before {
  opacity: 1;
}

/* Hero Section - Enhanced */
.hero {
  background-size: cover;
  background-position: center;
  position: relative;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(30, 41, 59, 0.8) 100%);
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: var(--spacing-20) 0;
}

/* Custom Utilities - Enhanced */
.text-shadow {
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.glass-effect {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.36);
}

/* Enhanced Animations - Ultra Quick */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(3px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
  from { transform: translateY(5px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes slideInLeft {
  from { transform: translateX(-5px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes slideInRight {
  from { transform: translateX(5px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes zoomIn {
  from { transform: scale(0.995); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.animate-fade-in {
  animation: fadeIn 0.08s var(--easing-accelerate) forwards;
}

.animate-slide-up {
  animation: slideUp 0.08s var(--easing-accelerate) forwards;
}

.animate-slide-left {
  animation: slideInLeft 0.08s var(--easing-accelerate) forwards;
}

.animate-slide-right {
  animation: slideInRight 0.08s var(--easing-accelerate) forwards;
}

.animate-zoom {
  animation: zoomIn 0.08s var(--easing-accelerate) forwards;
}

/* Ultra-short animation delays */
.delay-100 { animation-delay: 5ms; }
.delay-200 { animation-delay: 10ms; }
.delay-300 { animation-delay: 15ms; }
.delay-400 { animation-delay: 20ms; }
.delay-500 { animation-delay: 25ms; }

/* Page Transition - Ultra Quick */
.page-transition {
  animation: pageTransition 0.08s var(--easing-accelerate) forwards;
}

@keyframes pageTransition {
  0% {
    opacity: 0;
    transform: translateY(5px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll reveal animations - Ultra Quick */
.scroll-reveal {
  opacity: 0;
  transition: opacity 0.08s var(--easing-accelerate), 
              transform 0.08s var(--easing-accelerate);
}

/* Reduced reveal distances */
.reveal-up {
  transform: translateY(15px);
}

.reveal-left {
  transform: translateX(-15px);
}

.reveal-right {
  transform: translateX(15px);
}

.reveal-scale {
  transform: scale(0.98);
}

/* Interactive elements */
.interactive-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast) var(--easing-accelerate);
}

.interactive-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, transparent 0%, rgba(255,255,255,0.1) 50%, transparent 100%);
  transform: translateX(-100%);
  transition: transform 0.2s var(--easing-accelerate);
}

.interactive-card:hover::after {
  transform: translateX(100%);
}

/* Fixed elements and overlays */
.fixed-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.1s var(--easing-accelerate),
              visibility 0.1s var(--easing-accelerate);
}

.fixed-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Loading spinner */
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(79, 70, 229, 0.3);
  border-radius: 50%;
  border-top-color: var(--primary);
  animation: spinner 0.6s linear infinite;
}

@keyframes spinner {
  to { transform: rotate(360deg); }
  }