:root {
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --secondary: #64748b;
  --accent: #f59e0b;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --text: #1e293b;
  --text-light: #64748b;
  --border: #e2e8f0;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Georgia', serif;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-primary);
  color: var(--text);
  line-height: 1.6;
  background: var(--bg);
}

header {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

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

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

.brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  transition: color 0.3s;
}

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

nav ul {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
}

nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
}

nav a:hover {
  color: var(--primary);
  background: var(--bg-alt);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text);
}

.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
}

.hero p {
  font-size: 1.25rem;
  opacity: 0.95;
  max-width: 700px;
  margin: 0 auto;
}

section {
  padding: var(--spacing-lg) 0;
}

section:nth-child(even) {
  background: var(--bg-alt);
}

h2 {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  text-align: center;
  color: var(--text);
}

h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--text);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.card {
  background: var(--bg);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--primary);
  color: white;
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: background 0.3s, transform 0.2s;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn:hover {
  background: var(--primary-dark);
  transform: scale(1.05);
}

.btn-secondary {
  background: var(--secondary);
}

.btn-secondary:hover {
  background: var(--text);
}

footer {
  background: var(--text);
  color: white;
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

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

.footer-section h3 {
  color: white;
  font-size: 1.4rem;
  margin-bottom: var(--spacing-sm);
}

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

.footer-section a {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  transition: color 0.3s;
  display: block;
  margin-bottom: var(--spacing-xs);
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.7);
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: white;
  box-shadow: 0 -4px 12px rgba(0,0,0,0.15);
  padding: var(--spacing-md);
  z-index: 1000;
  display: none;
}

.cookie-banner.active {
  display: block;
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.cookie-buttons {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.cookie-settings {
  display: none;
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-alt);
  border-radius: var(--radius-md);
}

.cookie-settings.active {
  display: block;
}

.cookie-category {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--border);
}

.toggle {
  position: relative;
  width: 50px;
  height: 24px;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--secondary);
  transition: 0.3s;
  border-radius: 24px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background: white;
  transition: 0.3s;
  border-radius: 50%;
}

input:checked + .slider {
  background: var(--primary);
}

input:checked + .slider:before {
  transform: translateX(26px);
}

input:disabled + .slider {
  opacity: 0.5;
  cursor: not-allowed;
}

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

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

.error {
  color: #dc2626;
  font-size: 0.875rem;
  margin-top: var(--spacing-xs);
  display: none;
}

.form-group.invalid .error {
  display: block;
}

.form-group.invalid input,
.form-group.invalid textarea {
  border-color: #dc2626;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-xs);
}

.checkbox-group input {
  width: auto;
  margin-top: 4px;
}

.disclaimer {
  background: #fef3c7;
  border-left: 4px solid var(--accent);
  padding: var(--spacing-md);
  margin: var(--spacing-md) 0;
  border-radius: var(--radius-md);
}

.disclaimer p {
  color: var(--text);
  font-size: 0.95rem;
}

.policy-content {
  max-width: 900px;
  margin: 0 auto;
}

.policy-content h2 {
  text-align: left;
  margin-top: var(--spacing-lg);
}

.policy-content h3 {
  margin-top: var(--spacing-md);
}

.policy-content ul {
  margin-left: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.policy-content li {
  margin-bottom: var(--spacing-xs);
}

.thank-you {
  text-align: center;
  padding: var(--spacing-xl) 0;
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.thank-you h1 {
  font-family: var(--font-heading);
  font-size: 3rem;
  color: var(--primary);
  margin-bottom: var(--spacing-md);
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  nav ul {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: var(--spacing-sm);
    box-shadow: var(--shadow-md);
  }

  nav ul.active {
    display: flex;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .cookie-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .cookie-buttons {
    width: 100%;
  }

  .cookie-buttons .btn {
    flex: 1;
    text-align: center;
  }
}