/* CSS Variables - Monochromatic Professional Palette */
:root {
  /* Core Colors */
  --primary-dark: #2D3748;
  --secondary-medium: #4A5568;
  --button-gray: #718096;
  --footer-darkest: #1A202C;
  
  /* Background Variations */
  --bg-white: #FFFFFF;
  --bg-light: #F7FAFC;
  --bg-medium: #EDF2F7;
  
  /* Interactive States */
  --hover-darken: #2C5282;
  --focus-color: #4299E1;
  --success-color: #48BB78;
  --error-color: #F56565;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-secondary: 'Playfair Display', Georgia, serif;
  
  /* Spacing Scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Border Radius - Soft & Organic */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  
  /* Shadows - Soft & Diffused */
  --shadow-soft-sm: 0 4px 12px -2px rgba(45, 55, 72, 0.08);
  --shadow-soft-md: 0 10px 30px -10px rgba(45, 55, 72, 0.15);
  --shadow-soft-lg: 0 20px 40px -15px rgba(45, 55, 72, 0.2);
  --shadow-hover: 0 25px 50px -20px rgba(45, 55, 72, 0.25);
  
  /* Transitions */
  --transition-fast: 0.15s ease-out;
  --transition-medium: 0.3s ease-out;
  --transition-slow: 0.5s ease-out;
}

/* Base Reset & Typography */
* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  color: var(--primary-dark);
  background-color: var(--bg-white);
  margin: 0;
  padding: 0;
  font-weight: 400;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 600;
  line-height: 1.2;
  color: var(--primary-dark);
  margin: 0 0 var(--space-lg) 0;
  letter-spacing: -0.025em;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  margin-bottom: var(--space-xl);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: var(--space-lg);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: var(--space-md);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  margin-bottom: var(--space-md);
}

h5 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

h6 {
  font-size: 1rem;
  margin-bottom: var(--space-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

p {
  margin: 0 0 var(--space-lg) 0;
  line-height: 1.7;
}

a {
  color: var(--secondary-medium);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* Layout Components */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  width: 100%;
}

.section {
  padding: var(--space-3xl) 0;
  background-color: var(--bg-white);
}

.section:nth-child(even) {
  background-color: var(--bg-light);
}

.section:nth-child(3n) {
  background-color: var(--bg-medium);
}

/* Header Styles */
.header {
  background-color: var(--bg-white);
  border-bottom: 1px solid var(--bg-medium);
  padding: var(--space-lg) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background-color: rgba(255, 255, 255, 0.95);
}

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

.logo {
  font-family: var(--font-secondary);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-dark);
  text-decoration: none;
  transition: transform var(--transition-medium);
}

.logo:hover {
  transform: translateY(-2px);
  color: var(--primary-dark);
}

/* Navigation */
.nav {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-xl);
}

.nav a {
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  transition: all var(--transition-medium);
  position: relative;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-dark), var(--secondary-medium));
  transition: all var(--transition-medium);
  transform: translateX(-50%);
}

.nav a:hover::after {
  width: 100%;
}

.nav a:hover {
  background-color: var(--bg-medium);
  color: var(--primary-dark);
}

/* Cards - Soft & Organic Design */
.card {
  background-color: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft-md);
  padding: var(--space-xl);
  transition: all var(--transition-medium);
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-dark), var(--secondary-medium), var(--button-gray));
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  opacity: 0;
  transition: opacity var(--transition-medium);
}

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

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

.card-header {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--bg-medium);
}

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

.card-subtitle {
  color: var(--secondary-medium);
  font-size: 0.95rem;
  margin: 0;
}

.card-content {
  margin-bottom: var(--space-lg);
}

.card-footer {
  padding-top: var(--space-md);
  border-top: 1px solid var(--bg-medium);
}

/* Buttons - Monochromatic with Soft Effects */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md) var(--space-xl);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
  min-height: 48px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-dark), var(--secondary-medium));
  color: white;
  box-shadow: var(--shadow-soft-sm);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--secondary-medium), var(--primary-dark));
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft-md);
  color: white;
}

.btn-secondary {
  background-color: var(--bg-medium);
  color: var(--primary-dark);
  border: 2px solid var(--button-gray);
}

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

.btn-outline {
  background-color: transparent;
  color: var(--secondary-medium);
  border: 2px solid var(--bg-medium);
}

.btn-outline:hover {
  background-color: var(--bg-medium);
  color: var(--primary-dark);
  border-color: var(--secondary-medium);
}

/* Forms - Soft & Professional */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 600;
  color: var(--primary-dark);
  font-size: 0.95rem;
}

.form-input {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  border: 2px solid var(--bg-medium);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: var(--font-primary);
  background-color: var(--bg-white);
  transition: all var(--transition-medium);
  min-height: 48px;
}

.form-input:focus {
  outline: none;
  border-color: var(--focus-color);
  box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.1);
}

.form-input::placeholder {
  color: var(--button-gray);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%234A5568' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 12px center;
  background-repeat: no-repeat;
  background-size: 16px;
  padding-right: 40px;
}

.form-checkbox,
.form-radio {
  width: 20px;
  height: 20px;
  accent-color: var(--primary-dark);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--bg-white) 0%, var(--bg-light) 100%);
  padding: var(--space-3xl) 0;
  text-align: center;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 20%, rgba(45, 55, 72, 0.03) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin-bottom: var(--space-xl);
  background: linear-gradient(135deg, var(--primary-dark), var(--secondary-medium));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.3rem);
  color: var(--secondary-medium);
  margin-bottom: var(--space-2xl);
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  flex-wrap: wrap;
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid-cols-1 { grid-template-columns: 1fr; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Footer */
.footer {
  background-color: var(--footer-darkest);
  color: white;
  padding: var(--space-3xl) 0 var(--space-xl) 0;
  margin-top: var(--space-3xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-2xl);
  margin-bottom: var(--space-xl);
}

.footer-section h4 {
  color: white;
  margin-bottom: var(--space-lg);
  font-size: 1.1rem;
}

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}

.footer-section a:hover {
  color: white;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--space-sm);
}

.footer-bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--primary-dark); }
.text-secondary { color: var(--secondary-medium); }
.text-muted { color: var(--button-gray); }

.bg-primary { background-color: var(--primary-dark); }
.bg-secondary { background-color: var(--secondary-medium); }
.bg-light { background-color: var(--bg-light); }
.bg-medium { background-color: var(--bg-medium); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.p-0 { padding: 0; }
.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }

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

button:focus,
.btn:focus,
.form-input:focus,
.form-select:focus {
  outline: none;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-md);
  }
  
  .section {
    padding: var(--space-2xl) 0;
  }
  
  .nav {
    flex-direction: column;
    gap: var(--space-sm);
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }
  
  .card {
    padding: var(--space-lg);
  }
}

@media (max-width: 480px) {
  .hero {
    padding: var(--space-2xl) 0;
  }
  
  .card {
    padding: var(--space-md);
  }
  
  .btn {
    padding: var(--space-sm) var(--space-lg);
  }
}

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

.animate-fade-in {
  animation: fadeIn 0.4s ease-out;
}

/* Loading States */
.loading {
  position: relative;
  color: transparent !important;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--bg-medium);
  border-top-color: var(--primary-dark);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Selection */
::selection {
  background-color: var(--primary-dark);
  color: white;
}

::-moz-selection {
  background-color: var(--primary-dark);
  color: white;
}

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

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

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

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

/* High contrast mode support */
@media (prefers-contrast: high) {
  .card {
    border: 2px solid var(--primary-dark);
  }
  
  .btn-primary {
    background: var(--primary-dark);
    border: 2px solid var(--primary-dark);
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}


/* Cookie Banner Additional Styles for Tailwind */
.cookie-banner-hover-effect:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

@media (prefers-reduced-motion: reduce) {
    .cookie-banner-hover-effect:hover {
        transform: none;
    }
}