:root {
  --primary-color: #111827;
  --secondary-color: #4b5563;
  --background-color: #ffffff;
  --footer-bg-color: #000000;
  --button-color: #1f2937;
  --section-bg-1: #ffffff;
  --section-bg-2: #f9fafb;
  --section-bg-3: #ffffff;
  
  --gradient-primary: linear-gradient(135deg, #111827 0%, #4b5563 100%);
  --gradient-secondary: linear-gradient(135deg, #f9fafb 0%, #e5e7eb 100%);
  --gradient-accent: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-warm: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
  
  --border-radius-sm: 16px;
  --border-radius-md: 20px;
  --border-radius-lg: 24px;
  --border-radius-xl: 32px;
  
  --shadow-soft: 0 10px 30px -10px rgba(17, 24, 39, 0.15);
  --shadow-medium: 0 15px 35px -10px rgba(17, 24, 39, 0.2);
  --shadow-strong: 0 20px 40px -10px rgba(17, 24, 39, 0.25);
  --shadow-warm: 0 10px 30px -10px rgba(252, 182, 159, 0.3);
  
  --font-primary: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-display: 'Poppins', 'Inter', sans-serif;
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background-color: var(--background-color);
  color: var(--primary-color);
  line-height: 1.7;
  font-size: 16px;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--spacing-sm);
  color: var(--primary-color);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 600;
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.875rem);
  font-weight: 600;
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--secondary-color);
  font-weight: 400;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

.section {
  padding: var(--spacing-2xl) 0;
}

.section:nth-child(odd) {
  background-color: var(--section-bg-1);
}

.section:nth-child(even) {
  background-color: var(--section-bg-2);
}

.section:last-child {
  background-color: var(--section-bg-3);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--border-radius-lg);
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  min-height: 48px;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

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

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

.btn-secondary {
  background: var(--gradient-secondary);
  color: var(--primary-color);
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(17, 24, 39, 0.1);
}

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

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

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
  color: white;
}

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

.btn-warm:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-strong);
  color: var(--primary-color);
}

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  box-shadow: none;
}

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

.card {
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-soft);
  padding: var(--spacing-lg);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

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

.card:hover::before {
  transform: scaleX(1);
}

.card-warm {
  background: linear-gradient(135deg, #fff 0%, #fef7f0 100%);
  border: 1px solid rgba(252, 182, 159, 0.2);
}

.card-warm:hover {
  box-shadow: var(--shadow-warm);
}

.card-secondary {
  background: var(--gradient-secondary);
  border: 1px solid rgba(17, 24, 39, 0.05);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--primary-color);
  font-size: 0.9rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid rgba(17, 24, 39, 0.1);
  border-radius: var(--border-radius-md);
  font-family: var(--font-primary);
  font-size: 1rem;
  background: white;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(17, 24, 39, 0.1);
  transform: translateY(-1px);
}

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

.navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(17, 24, 39, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-soft);
}

.hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: var(--spacing-2xl) 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="rgba(255,255,255,0.1)"/><stop offset="100%" stop-color="rgba(255,255,255,0)"/></radialGradient></defs><circle cx="200" cy="200" r="100" fill="url(%23a)"/><circle cx="800" cy="300" r="150" fill="url(%23a)"/><circle cx="400" cy="700" r="120" fill="url(%23a)"/></svg>');
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.hero h1 {
  color: white;
  margin-bottom: var(--spacing-md);
}

.hero p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
}

.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.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));
}

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

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

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

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

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

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

.footer {
  background: var(--footer-bg-color);
  color: white;
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer h3,
.footer h4 {
  color: white;
}

.footer p,
.footer a {
  color: rgba(255, 255, 255, 0.8);
}

.footer a:hover {
  color: white;
}

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

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--gradient-accent);
  color: white;
  border-radius: var(--border-radius-sm);
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-warm {
  background: var(--gradient-warm);
  color: var(--primary-color);
}

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(17, 24, 39, 0.1), transparent);
  margin: var(--spacing-xl) 0;
}

.accordion {
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.accordion-item {
  border-bottom: 1px solid rgba(17, 24, 39, 0.1);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-header {
  background: white;
  padding: var(--spacing-md);
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.accordion-header:hover {
  background: var(--section-bg-2);
}

.accordion-content {
  padding: 0 var(--spacing-md);
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
  background: var(--section-bg-2);
}

.accordion-content.active {
  padding: var(--spacing-md);
  max-height: 500px;
}

.alert {
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-md);
  border-left: 4px solid;
}

.alert-success {
  background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
  border-color: #10b981;
  color: #065f46;
}

.alert-warning {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  border-color: #f59e0b;
  color: #92400e;
}

.alert-error {
  background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
  border-color: #ef4444;
  color: #991b1b;
}

.alert-info {
  background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
  border-color: #3b82f6;
  color: #1e40af;
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: white;
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-strong);
  transform: scale(0.9);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal.active .modal-content {
  transform: scale(1);
}

.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip .tooltip-text {
  visibility: hidden;
  width: 200px;
  background: var(--primary-color);
  color: white;
  text-align: center;
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-xs);
  position: absolute;
  z-index: 1;
  bottom: 125%;
  left: 50%;
  margin-left: -100px;
  opacity: 0;
  transition: opacity 0.3s;
  font-size: 0.8rem;
}

.tooltip:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
}

.progress {
  width: 100%;
  height: 8px;
  background: rgba(17, 24, 39, 0.1);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--gradient-accent);
  border-radius: var(--border-radius-sm);
  transition: width 0.3s ease;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(17, 24, 39, 0.1);
  border-left: 4px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.fade-in {
  animation: fadeIn 0.6s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-up {
  animation: slideUp 0.6s ease-out;
}

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

.scale-in {
  animation: scaleIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .section {
    padding: var(--spacing-xl) 0;
  }
  
  .btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9rem;
  }
  
  .card {
    padding: var(--spacing-md);
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .hero {
    padding: var(--spacing-xl) 0;
  }
  
  .hero p {
    font-size: 1.1rem;
  }
  
  .modal-content {
    padding: var(--spacing-lg);
    margin: var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 2.5rem;
  }
  
  .btn {
    padding: 0.75rem var(--spacing-sm);
    min-height: 44px;
  }
  
  .card {
    padding: var(--spacing-sm);
  }
  
  .hero p {
    font-size: 1rem;
  }
}

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

@media (prefers-color-scheme: dark) {
  :root {
    --primary-color: #f9fafb;
    --secondary-color: #d1d5db;
    --background-color: #111827;
    --footer-bg-color: #000000;
    --button-color: #374151;
    --section-bg-1: #111827;
    --section-bg-2: #1f2937;
    --section-bg-3: #111827;
  }
  
  .card {
    background: #1f2937;
    border: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .form-input,
  .form-textarea,
  .form-select {
    background: #1f2937;
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--primary-color);
  }
  
  .navbar {
    background: rgba(17, 24, 39, 0.95);
    border-bottom-color: rgba(255, 255, 255, 0.1);
  }
  
  .accordion-header {
    background: #1f2937;
  }
  
  .accordion-header:hover {
    background: #374151;
  }
  
  .accordion-content {
    background: #374151;
  }
}

:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

::selection {
  background: rgba(17, 24, 39, 0.2);
  color: var(--primary-color);
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(17, 24, 39, 0.1);
}

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

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


/* 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;
    }
}