:root {
  --color-primary: #2c5f7d;
  --color-secondary: #4a90b8;
  --color-accent: #7ec8e3;
  --color-dark: #1a3a4a;
  --color-light: #f8fafb;
  --color-white: #ffffff;
  --color-text: #2d3748;
  --color-text-light: #718096;
  --color-border: #e2e8f0;
  --color-success: #48bb78;
  --color-error: #f56565;
  
  --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-secondary: Georgia, 'Times New Roman', serif;
  --font-size-base: 16px;
  --font-size-small: 0.875rem;
  --font-size-large: 1.125rem;
  --font-size-h1: 2.5rem;
  --font-size-h2: 2rem;
  --font-size-h3: 1.5rem;
  --font-size-h4: 1.25rem;
  --line-height-base: 1.6;
  --line-height-heading: 1.3;
  
  --shadow-small: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-large: 0 10px 25px rgba(0, 0, 0, 0.15);
  --shadow-hover: 0 15px 35px rgba(0, 0, 0, 0.2);
  
  --radius-small: 4px;
  --radius-medium: 8px;
  --radius-large: 16px;
  --radius-full: 50%;
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  --container-max: 1200px;
  --container-padding: var(--spacing-md);
}

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

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

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

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

header {
  background-color: var(--color-white);
  box-shadow: var(--shadow-small);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: box-shadow var(--transition-base);
}

header.scrolled {
  box-shadow: var(--shadow-medium);
}

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

.brand {
  font-size: var(--font-size-h4);
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

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

nav a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-small);
  transition: all var(--transition-fast);
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: all var(--transition-base);
  transform: translateX(-50%);
}

nav a:hover {
  color: var(--color-primary);
  background-color: rgba(44, 95, 125, 0.05);
}

nav a:hover::after {
  width: 80%;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-primary);
  cursor: pointer;
  padding: var(--spacing-xs);
}

main {
  min-height: calc(100vh - 200px);
}

section {
  padding: var(--spacing-3xl) 0;
}

section:nth-child(even) {
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

h1, h2, h3, h4, h5, h6 {
  line-height: var(--line-height-heading);
  color: var(--color-dark);
  font-weight: 700;
}

h1 {
  font-size: var(--font-size-h1);
  margin-bottom: var(--spacing-md);
}

h2 {
  font-size: var(--font-size-h2);
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: var(--font-size-h3);
  margin-bottom: var(--spacing-sm);
}

h4 {
  font-size: var(--font-size-h4);
  margin-bottom: var(--spacing-sm);
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-light);
}

.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-white);
  text-align: center;
  padding: var(--spacing-3xl) 0;
}

.hero h1 {
  color: var(--color-white);
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 0.8s ease;
}

.hero p {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-large);
  max-width: 700px;
  margin: 0 auto var(--spacing-lg);
  animation: fadeInUp 1s ease;
}

.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: var(--color-white);
  color: var(--color-primary);
  text-decoration: none;
  border-radius: var(--radius-medium);
  font-weight: 600;
  transition: all var(--transition-base);
  border: 2px solid transparent;
  cursor: pointer;
  font-size: var(--font-size-base);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-large);
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

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

.btn-secondary {
  background-color: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn-secondary:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
}

.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(280px, 1fr));
}

.card {
  background-color: var(--color-white);
  border-radius: var(--radius-large);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-small);
  transition: all var(--transition-base);
  border: 1px solid var(--color-border);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.card h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.card-icon {
  font-size: 2.5rem;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
}

figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-medium);
}

figure img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-slow);
}

figure:hover img {
  transform: scale(1.05);
}

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

label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--color-dark);
}

input[type="text"],
input[type="email"],
textarea {
  width: 100%;
  padding: var(--spacing-sm);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-medium);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(44, 95, 125, 0.1);
}

input.error,
textarea.error {
  border-color: var(--color-error);
}

.error-message {
  color: var(--color-error);
  font-size: var(--font-size-small);
  margin-top: var(--spacing-xs);
  display: none;
}

.error-message.show {
  display: block;
}

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

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

.checkbox-group input[type="checkbox"] {
  margin-top: 4px;
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.checkbox-group label {
  margin-bottom: 0;
  font-weight: 400;
  cursor: pointer;
}

footer {
  background-color: var(--color-dark) !important;
  color: var(--color-white);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

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

.footer-section h4 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-section a:hover {
  color: var(--color-accent);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

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

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  box-shadow: var(--shadow-large);
  padding: var(--spacing-lg);
  z-index: 2000;
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.cookie-banner.show {
  transform: translateY(0);
}

.cookie-content {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
  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-color: var(--color-light);
  border-radius: var(--radius-medium);
}

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

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

.cookie-category:last-child {
  border-bottom: none;
}

.switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 24px;
}

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

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-border);
  transition: var(--transition-fast);
  border-radius: var(--radius-full);
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: var(--color-white);
  transition: var(--transition-fast);
  border-radius: var(--radius-full);
}

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

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

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

.disclaimer {
  background-color: #fff9e6;
  border-left: 4px solid #ffc107;
  padding: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  border-radius: var(--radius-small);
}

.disclaimer p {
  color: var(--color-text);
  font-size: var(--font-size-small);
  margin-bottom: 0;
}

.thank-you-container {
  text-align: center;
  padding: var(--spacing-3xl) 0;
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.thank-you-icon {
  font-size: 4rem;
  color: var(--color-success);
  margin-bottom: var(--spacing-lg);
}

.policy-content {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--spacing-2xl) var(--container-padding);
}

.policy-content h2 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.policy-content h3 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

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

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

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

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

@media (max-width: 768px) {
  :root {
    --font-size-h1: 2rem;
    --font-size-h2: 1.75rem;
    --font-size-h3: 1.25rem;
    --spacing-3xl: 3rem;
  }

  .mobile-menu-toggle {
    display: block;
  }

  nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    box-shadow: var(--shadow-medium);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
  }

  nav.active {
    max-height: 500px;
  }

  nav ul {
    flex-direction: column;
    padding: var(--spacing-md);
    gap: 0;
  }

  nav li {
    width: 100%;
  }

  nav a {
    display: block;
    padding: var(--spacing-sm);
  }

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

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

  .cookie-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

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

@media (max-width: 480px) {
  :root {
    --container-padding: var(--spacing-sm);
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
}