:root {
  --color-primary: #2c5f7c;
  --color-primary-dark: #1e4459;
  --color-primary-light: #3d7a9e;
  --color-secondary: #e8a87c;
  --color-secondary-dark: #d89563;
  --color-accent: #c38d9e;
  --color-bg: #fefdfb;
  --color-bg-alt: #f5f3f0;
  --color-text: #2d2d2d;
  --color-text-light: #5a5a5a;
  --color-border: #e0ddd8;
  --color-white: #ffffff;
  --color-success: #4a7c59;
  --color-error: #c85a54;
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-secondary: Georgia, 'Times New Roman', serif;
  --font-size-base: 16px;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --line-height-base: 1.6;
  --line-height-heading: 1.3;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);
  --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-bg);
  overflow-x: hidden;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  line-height: var(--line-height-heading);
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: var(--font-size-3xl);
}

h2 {
  font-size: var(--font-size-2xl);
}

h3 {
  font-size: var(--font-size-xl);
}

h4 {
  font-size: var(--font-size-lg);
}

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

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

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul {
  list-style-position: inside;
  margin-bottom: var(--spacing-sm);
}

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

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

.brand {
  font-family: var(--font-secondary);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  transition: color var(--transition-fast);
}

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

nav ul {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
  margin: 0;
}

nav a {
  font-weight: 500;
  position: relative;
  padding: var(--spacing-xs) 0;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-secondary);
  transition: width var(--transition-base);
}

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

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.menu-toggle span {
  width: 24px;
  height: 3px;
  background-color: var(--color-primary);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-base);
}

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

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

.hero p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xl);
  opacity: 0.95;
}

.page-hero {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-secondary) 100%);
  color: var(--color-white);
  padding: var(--spacing-2xl) 0;
  text-align: center;
}

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

.page-hero p {
  font-size: var(--font-size-lg);
  opacity: 0.95;
}

.btn-primary, .btn-secondary, .btn-link {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius-md);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-base);
}

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

.btn-primary:hover {
  background-color: var(--color-secondary-dark);
  border-color: var(--color-secondary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

.btn-link {
  background: none;
  color: var(--color-primary);
  padding: var(--spacing-xs) var(--spacing-sm);
  font-weight: 500;
}

.btn-link:hover {
  color: var(--color-primary-light);
  text-decoration: underline;
}

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

.intro, .content-section {
  background-color: var(--color-white);
}

.morning-preview, .evening-preview, .benefits, .getting-started, .resources, .habits-list, .implementation, .sample-routines, .sleep-environment {
  background-color: var(--color-bg-alt);
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.content-grid.reverse {
  direction: rtl;
}

.content-grid.reverse > * {
  direction: ltr;
}

figure {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

figure:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

.benefits-grid, .resources-grid, .habits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.benefit-card, .resource-card, .habit-card {
  background-color: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.benefit-card:hover, .resource-card:hover, .habit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.resource-card figure {
  margin-bottom: var(--spacing-md);
}

.steps-grid, .implementation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.step, .tip-card {
  background-color: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  border-left: 4px solid var(--color-secondary);
}

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

.routine-card {
  background-color: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
}

.routine-card ul {
  list-style-position: outside;
  padding-left: var(--spacing-md);
}

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

.cta h2 {
  color: var(--color-white);
}

.disclaimer {
  background-color: var(--color-bg-alt);
  border-top: 2px solid var(--color-border);
  padding: var(--spacing-lg) 0;
}

.disclaimer p {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  text-align: center;
}

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

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-xl);
}

.contact-info {
  padding-right: var(--spacing-lg);
}

.contact-details {
  margin-top: var(--spacing-xl);
}

.contact-item {
  margin-bottom: var(--spacing-lg);
}

.contact-item h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xs);
  color: var(--color-primary);
}

.contact-form-wrapper {
  background-color: var(--color-bg-alt);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

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

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

.required {
  color: var(--color-error);
}

.form-group input, .form-group textarea {
  width: 100%;
  padding: var(--spacing-sm);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-md);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(44, 95, 124, 0.1);
}

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

.error-message {
  display: block;
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
  min-height: 1.2em;
}

.checkbox-group {
  margin-top: var(--spacing-md);
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  cursor: pointer;
  font-weight: normal;
}

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

.thank-you-section {
  background-color: var(--color-white);
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.thank-you-content {
  text-align: center;
  max-width: 600px;
}

.thank-you-content h1 {
  color: var(--color-success);
  margin-bottom: var(--spacing-lg);
}

.thank-you-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin-top: var(--spacing-xl);
  flex-wrap: wrap;
}

.policy-page {
  background-color: var(--color-white);
}

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

.policy-page h2 {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.policy-page h3 {
  margin-top: var(--spacing-lg);
}

.policy-page ul {
  list-style-position: outside;
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.policy-page table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-md) 0;
}

.policy-page table th, .policy-page table td {
  padding: var(--spacing-sm);
  border: 1px solid var(--color-border);
  text-align: left;
}

.policy-page table th {
  background-color: var(--color-bg-alt);
  font-weight: 600;
}

footer {
  background-color: var(--color-primary-dark);
  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-secondary);
  margin-bottom: var(--spacing-md);
}

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

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

.footer-section a {
  color: var(--color-white);
  opacity: 0.9;
  transition: opacity var(--transition-fast);
}

.footer-section a:hover {
  opacity: 1;
  color: var(--color-secondary);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--font-size-sm);
  opacity: 0.8;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  box-shadow: var(--shadow-xl);
  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;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

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

.cookie-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.6);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 3000;
  padding: var(--spacing-md);
}

.cookie-modal.show {
  display: flex;
}

.modal-content {
  background-color: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}

.cookie-category {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background-color: var(--color-bg-alt);
  border-radius: var(--border-radius-md);
}

.category-header label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 600;
  cursor: pointer;
}

.modal-buttons {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  :root {
    --font-size-3xl: 2rem;
    --font-size-2xl: 1.5rem;
    --font-size-xl: 1.25rem;
    --spacing-3xl: 3rem;
    --spacing-2xl: 2rem;
  }

  .menu-toggle {
    display: flex;
  }

  nav ul {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    flex-direction: column;
    gap: 0;
    padding: 0 var(--spacing-md);
    box-shadow: var(--shadow-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base), padding var(--transition-base);
  }

  nav ul.active {
    max-height: 400px;
    padding: var(--spacing-md);
  }

  nav li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
  }

  nav li:last-child {
    border-bottom: none;
  }

  .content-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .content-grid.reverse {
    direction: ltr;
  }

  .hero, .page-hero {
    padding: var(--spacing-2xl) 0;
  }

  .benefits-grid, .resources-grid, .habits-grid {
    grid-template-columns: 1fr;
  }

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

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

  .thank-you-actions {
    flex-direction: column;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
}

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

  .btn-primary, .btn-secondary {
    width: 100%;
  }
}