/* Elegant & Minimal - Modern Minimal CSS for Bootstrap 5 */

/* CSS Custom Properties - Theme Colors */
:root {
  /* Color Palette */
  --primary-color: #00F0FF;
  --secondary-color: #D946EF;
  --background-color: #0B0E17;
  --footer-background: #05060A;
  --button-color: #00F0FF;
  
  /* Section Backgrounds */
  --section-bg-primary: #0B0E17;
  --section-bg-secondary: #0F1420;
  --section-bg-tertiary: #15192B;
  
  /* Typography */
  --font-heading: 'Playfair Display', 'Georgia', serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-size-base: 1.125rem;
  --line-height-base: 1.75;
  
  /* Spacing & Layout */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --spacing-xxl: 8rem;
  
  /* Borders & Shadows */
  --border-radius-pill: 9999px;
  --border-radius-card: 16px;
  --shadow-subtle: 0 2px 8px rgba(0, 240, 255, 0.08);
  --shadow-medium: 0 4px 16px rgba(0, 240, 255, 0.12);
  --shadow-strong: 0 8px 32px rgba(0, 240, 255, 0.16);
  
  /* Transitions */
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s ease-out;
}

/* Base Styles - Enhanced Typography & Layout */
* {
  box-sizing: border-box;
}

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

body {
  background: var(--background-color);
  color: #E5E7EB;
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  margin: 0;
  padding: 0;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Typography Hierarchy - Serif for Headings */
h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: #FFFFFF;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin-bottom: var(--spacing-sm);
}

p {
  margin-bottom: var(--spacing-md);
  color: #D1D5DB;
  max-width: 65ch;
}

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

a:hover {
  color: var(--secondary-color);
}

/* Enhanced Bootstrap Components */

/* Custom Container Classes */
.container-custom {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

/* Section Styling with Alternating Backgrounds */
.section-primary {
  background: var(--section-bg-primary);
  padding: var(--spacing-xxl) 0;
  position: relative;
}

.section-secondary {
  background: var(--section-bg-secondary);
  padding: var(--spacing-xxl) 0;
  position: relative;
}

.section-tertiary {
  background: var(--section-bg-tertiary);
  padding: var(--spacing-xxl) 0;
  position: relative;
}

/* Card Enhancements - Elegant Design */
.card-elegant {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(0, 240, 255, 0.1);
  border-radius: var(--border-radius-card);
  padding: var(--spacing-lg);
  transition: var(--transition-smooth);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.card-elegant::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
  opacity: 0.6;
}

.card-elegant:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 240, 255, 0.3);
  box-shadow: var(--shadow-medium);
  background: rgba(255, 255, 255, 0.04);
}

.card-elegant .card-title {
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.card-elegant .card-text {
  color: #D1D5DB;
  line-height: 1.7;
}

/* Button Enhancements - Pill Shape */
.btn-elegant {
  background: var(--button-color);
  border: none;
  border-radius: var(--border-radius-pill);
  color: #000000;
  font-weight: 600;
  font-size: 1rem;
  padding: 0.875rem 2rem;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  text-transform: none;
  letter-spacing: 0.02em;
}

.btn-elegant:hover {
  background: var(--secondary-color);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.btn-elegant:focus {
  box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.3);
  outline: none;
}

.btn-elegant:active {
  transform: translateY(0);
}

.btn-elegant-outline {
  background: transparent;
  border: 2px solid var(--button-color);
  border-radius: var(--border-radius-pill);
  color: var(--button-color);
  font-weight: 600;
  padding: 0.75rem 2rem;
  transition: var(--transition-smooth);
}

.btn-elegant-outline:hover {
  background: var(--button-color);
  color: #000000;
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

/* Form Styling */
.form-elegant {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(0, 240, 255, 0.1);
  border-radius: var(--border-radius-card);
  padding: var(--spacing-lg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.form-control-elegant {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: var(--border-radius-pill);
  color: #FFFFFF;
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
  transition: var(--transition-fast);
}

.form-control-elegant:focus {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.1);
  outline: none;
  color: #FFFFFF;
}

.form-control-elegant::placeholder {
  color: #9CA3AF;
}

/* Header Styling */
.navbar-elegant {
  background: rgba(5, 6, 10, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 240, 255, 0.1);
  padding: var(--spacing-sm) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar-elegant .navbar-brand {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.75rem;
  color: #FFFFFF;
  text-decoration: none;
}

.navbar-elegant .navbar-brand:hover {
  color: var(--primary-color);
}

.navbar-elegant .nav-link {
  color: #D1D5DB;
  font-weight: 500;
  margin: 0 var(--spacing-xs);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-pill);
  transition: var(--transition-fast);
}

.navbar-elegant .nav-link:hover {
  color: var(--primary-color);
  background: rgba(0, 240, 255, 0.1);
}

/* Hero Section */
.hero-elegant {
  background: linear-gradient(135deg, var(--background-color) 0%, rgba(15, 20, 32, 0.8) 100%);
  padding: var(--spacing-xxl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-elegant::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.05) 0%, transparent 70%);
  animation: rotate 20s linear infinite;
  pointer-events: none;
}

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

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: var(--spacing-md);
  line-height: 1.1;
  position: relative;
  z-index: 2;
}

.hero-subtitle {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  color: #D1D5DB;
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
  position: relative;
  z-index: 2;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}

/* Footer Styling */
footer {
  background: var(--footer-background);
  color: #9CA3AF;
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
  border-top: 1px solid rgba(0, 240, 255, 0.1);
}

.footer-title {
  font-family: var(--font-heading);
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: var(--spacing-md);
  font-size: 1.5rem;
}

.footer-link {
  color: #9CA3AF;
  text-decoration: none;
  transition: var(--transition-fast);
  margin-bottom: 0.5rem;
  display: inline-block;
}

.footer-link:hover {
  color: var(--primary-color);
}

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

.bg-gradient-elegant {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.border-gradient {
  position: relative;
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--border-radius-card);
}

.border-gradient::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 1px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: inherit;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: xor;
  -webkit-mask-composite: xor;
}

/* Spacing Utilities */
.py-xxl {
  padding-top: var(--spacing-xxl);
  padding-bottom: var(--spacing-xxl);
}

.py-xl {
  padding-top: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
}

.py-lg {
  padding-top: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
}

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

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

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

/* Image Styling */
.img-elegant {
  border-radius: var(--border-radius-card);
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-subtle);
}

.img-elegant:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-strong);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--footer-background);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--secondary-color);
}

/* Selection Styling */
::selection {
  background: rgba(0, 240, 255, 0.3);
  color: #FFFFFF;
}

::-moz-selection {
  background: rgba(0, 240, 255, 0.3);
  color: #FFFFFF;
}

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --spacing-xxl: 4rem;
    --spacing-xl: 3rem;
    --spacing-lg: 2rem;
  }
  
  .container-custom,
  .container-wide {
    padding: 0 var(--spacing-sm);
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn-elegant,
  .btn-elegant-outline {
    width: 100%;
    max-width: 280px;
  }
  
  .card-elegant {
    padding: var(--spacing-md);
  }
}

@media (max-width: 576px) {
  .hero-elegant {
    padding: var(--spacing-xl) 0;
  }
  
  .section-primary,
  .section-secondary,
  .section-tertiary {
    padding: var(--spacing-xl) 0;
  }
}

/* Focus Styles for Accessibility */
*:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Smooth Transitions for All Interactive Elements */
button, 
.btn, 
a, 
input, 
textarea, 
select {
  transition: var(--transition-fast);
}

/* Loading States */
.loading-shimmer {
  background: linear-gradient(90deg, 
    rgba(255, 255, 255, 0.05) 25%, 
    rgba(0, 240, 255, 0.1) 50%, 
    rgba(255, 255, 255, 0.05) 75%);
  background-size: 200% 100%;
  animation: shimmer 2s infinite;
}

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

/* Underline Links (Alternative to Pill Buttons) */
.link-elegant {
  color: var(--primary-color);
  text-decoration: none;
  position: relative;
  padding-bottom: 2px;
  transition: var(--transition-fast);
}

.link-elegant::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--secondary-color);
  transition: width 0.3s ease;
}

.link-elegant:hover::after {
  width: 100%;
}

.link-elegant:hover {
  color: var(--secondary-color);
}


/* Cookie Banner Additional Styles for Bootstrap */
.cookie-banner-custom {
    z-index: 1060;
    backdrop-filter: blur(10px);
}

.cookie-banner-custom .btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}