/* ==========================================
   ELEGANT & MINIMAL - DARK MODERN DESIGN
   ========================================== */

/* CSS Variables for Design System */
:root {
  /* Color Palette */
  --primary-color: #0ea5e9;
  --secondary-color: #6366f1;
  --background-color: #0f172a;
  --footer-bg-color: #020617;
  --button-color: #0ea5e9;
  --surface-color: #1e293b;
  --surface-light: #334155;
  
  /* Text Colors */
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-accent: #e2e8f0;
  
  /* Typography */
  --font-serif: 'Playfair Display', 'Georgia', serif;
  --font-sans: 'Inter', 'system-ui', sans-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;
  --space-4xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --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-glow: 0 0 20px rgba(14, 165, 233, 0.3);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
}

/* ==========================================
   GLOBAL STYLES
   ========================================== */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--background-color);
  color: var(--text-primary);
  line-height: 1.6;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

/* ==========================================
   TYPOGRAPHY
   ========================================== */

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 var(--space-lg) 0;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xl);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-lg);
}

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

p {
  margin: 0 0 var(--space-md) 0;
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.7;
}

.text-lead {
  font-size: 1.25rem;
  color: var(--text-accent);
  font-weight: 400;
}

.text-small {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ==========================================
   LINKS
   ========================================== */

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

a:hover {
  color: var(--text-accent);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

/* ==========================================
   BUTTONS
   ========================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-xl);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 1rem;
  line-height: 1;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  color: white;
  text-decoration: none;
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

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

.btn-secondary:hover {
  background: var(--primary-color);
  color: white;
  text-decoration: none;
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
  text-decoration: none;
}

/* ==========================================
   CARDS & CONTAINERS
   ========================================== */

.card {
  background: rgba(30, 41, 59, 0.6);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  margin-bottom: var(--space-xl);
  transition: var(--transition-normal);
  position: relative;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(14, 165, 233, 0.3);
}

.card-featured {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.1), rgba(99, 102, 241, 0.1));
  border: 2px solid rgba(14, 165, 233, 0.3);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ==========================================
   SECTIONS
   ========================================== */

.section {
  padding: var(--space-4xl) 0;
  position: relative;
}

.section-alt {
  background-color: var(--surface-color);
}

.section-dark {
  background-color: var(--background-color);
}

.section-footer {
  background-color: var(--footer-bg-color);
  padding: var(--space-3xl) 0 var(--space-2xl) 0;
}

/* ==========================================
   HEADER
   ========================================== */

.header {
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
}

.logo:hover {
  color: var(--primary-color);
  text-decoration: none;
}

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

.nav a {
  color: var(--text-secondary);
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-full);
  transition: var(--transition-fast);
}

.nav a:hover {
  background: rgba(14, 165, 233, 0.1);
  color: var(--primary-color);
  text-decoration: none;
}

/* ==========================================
   HERO SECTION
   ========================================== */

.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 50%, rgba(14, 165, 233, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 80% 20%, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-title {
  font-size: clamp(3rem, 8vw, 6rem);
  margin-bottom: var(--space-xl);
  background: linear-gradient(135deg, var(--text-primary), var(--primary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-2xl);
  font-weight: 300;
}

.hero-actions {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

/* ==========================================
   GRID LAYOUTS
   ========================================== */

.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* ==========================================
   UTILITIES
   ========================================== */

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.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); }
.mb-2xl { margin-bottom: var(--space-2xl); }

.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); }
.mt-2xl { margin-top: var(--space-2xl); }

.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); }
.p-2xl { padding: var(--space-2xl); }

.hidden {
  display: none;
}

.visible {
  display: block;
}

/* ==========================================
   FORMS
   ========================================== */

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  color: var(--text-accent);
  font-weight: 500;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-md);
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-sans);
  transition: var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

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

/* ==========================================
   FOOTER
   ========================================== */

.footer {
  background-color: var(--footer-bg-color);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.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 {
  font-family: var(--font-serif);
  color: var(--text-accent);
  margin-bottom: var(--space-lg);
}

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

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

.footer-section a {
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.footer-section a:hover {
  color: var(--primary-color);
  text-decoration: none;
}

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

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-md);
  }
  
  .header-content {
    flex-direction: column;
    gap: var(--space-lg);
  }
  
  .nav {
    gap: var(--space-md);
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .section {
    padding: var(--space-2xl) 0;
  }
  
  .card {
    padding: var(--space-xl);
  }
}

@media (max-width: 480px) {
  .hero {
    min-height: 70vh;
  }
  
  .card {
    padding: var(--space-lg);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
}

/* ==========================================
   ANIMATIONS & INTERACTIONS
   ========================================== */

@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;
}

/* Scroll reveal effect */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: var(--transition-slow);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================
   DECORATIVE ELEMENTS
   ========================================== */

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  margin: var(--space-2xl) 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  background: rgba(14, 165, 233, 0.2);
  color: var(--primary-color);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.icon {
  width: 1.25rem;
  height: 1.25rem;
  fill: currentColor;
}

/* ==========================================
   ACCESSIBILITY
   ========================================== */

.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;
}

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

.btn:focus,
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.3);
}

/* ==========================================
   PRINT STYLES
   ========================================== */

@media print {
  .header,
  .footer,
  .btn,
  .nav {
    display: none;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .card {
    border: 1px solid #ccc;
    background: white;
  }
}


/* 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;
    }
}