:root {
  --color-white: #FAFBFC;
  --color-blue: #4A90D9;
  --color-blue-light: #E8F1FA;
  --color-blue-dark: #3A7BC8;
  --color-green: #6B9E7A;
  --color-green-light: #EBF5EE;
  --color-gray: #E8ECF0;
  --color-gray-dark: #B0B8C4;
  --color-beige: #F5F0EB;
  --color-charcoal: #2C3E50;
  --color-charcoal-light: #4A5568;
  --color-danger: #E53E3E;
  --color-success: #38A169;

  --font-heading: 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;

  --shadow-sm: 0 1px 3px rgba(44, 62, 80, 0.08);
  --shadow-md: 0 4px 12px rgba(44, 62, 80, 0.1);
  --shadow-lg: 0 8px 24px rgba(44, 62, 80, 0.12);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;
  --spacing-2xl: 6rem;

  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-charcoal);
  background-color: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-charcoal);
}

h1 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
}

h3 {
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
}

h4 {
  font-size: 1.125rem;
}

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

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

a:hover {
  color: var(--color-blue-dark);
}

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

ul,
ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(250, 251, 252, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-gray);
  padding: var(--spacing-sm) 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-charcoal);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo:hover {
  color: var(--color-blue);
}

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

.main-nav ul {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.main-nav a {
  color: var(--color-charcoal-light);
  font-size: 0.9rem;
  font-weight: 500;
  padding: var(--spacing-xs) 0;
  position: relative;
  transition: color var(--transition-fast);
}

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

.main-nav a:hover {
  color: var(--color-blue);
}

.main-nav a:hover::after {
  width: 100%;
}

.hero {
  padding: var(--spacing-2xl) 0;
  background: linear-gradient(135deg, var(--color-white) 0%, var(--color-blue-light) 50%, var(--color-beige) 100%);
  overflow: hidden;
}

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

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

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-green);
  background: var(--color-green-light);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  margin-bottom: var(--spacing-md);
}

.hero h1 {
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.03em;
}

.hero-content>p {
  font-size: 1.125rem;
  max-width: 520px;
  margin-bottom: var(--spacing-lg);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.hero-visual {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero-visual img {
  width: 100%;
  height: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn-primary {
  background: var(--color-blue);
  color: #fff;
}

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

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

.btn-secondary:hover {
  background: var(--color-blue);
  color: #fff;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
}

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

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

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

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

.section-header p {
  max-width: 600px;
  margin: var(--spacing-sm) auto 0;
}

.card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray);
  transition: all var(--transition-base);
}

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

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.card-icon-blue {
  background: var(--color-blue-light);
  color: var(--color-blue);
}

.card-icon-green {
  background: var(--color-green-light);
  color: var(--color-green);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
}

.meal-block {
  background: #fff;
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  border: 1px solid var(--color-gray);
  text-align: center;
  transition: all var(--transition-base);
}

.meal-block:hover {
  border-color: var(--color-blue);
  box-shadow: var(--shadow-sm);
}

.meal-block i {
  font-size: 1.5rem;
  color: var(--color-blue);
  margin-bottom: var(--spacing-xs);
}

.meal-block h4 {
  margin-bottom: var(--spacing-xs);
}

.meal-block p {
  font-size: 0.85rem;
}

.nutrient-bar {
  background: var(--color-gray);
  border-radius: 20px;
  height: 8px;
  overflow: hidden;
  margin-top: var(--spacing-xs);
}

.nutrient-bar-fill {
  height: 100%;
  border-radius: 20px;
  transition: width var(--transition-slow);
}

.nutrient-bar-fill-blue {
  background: var(--color-blue);
}

.nutrient-bar-fill-green {
  background: var(--color-green);
}

.nutrient-bar-fill-beige {
  background: #D4A574;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--spacing-xs);
}

.calendar-day {
  background: #fff;
  border: 1px solid var(--color-gray);
  border-radius: var(--radius-sm);
  padding: var(--spacing-sm);
  text-align: center;
  font-size: 0.8rem;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.calendar-day:hover {
  border-color: var(--color-blue);
  background: var(--color-blue-light);
}

.calendar-day-label {
  font-weight: 600;
  font-size: 0.75rem;
  color: var(--color-charcoal-light);
  margin-bottom: 4px;
}

.progress-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  background: #fff;
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  border: 1px solid var(--color-gray);
}

.progress-card i {
  font-size: 1.5rem;
  color: var(--color-green);
}

.progress-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-charcoal);
}

.progress-label {
  font-size: 0.8rem;
  color: var(--color-charcoal-light);
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.feature-item:hover {
  background: var(--color-blue-light);
}

.feature-item i {
  color: var(--color-green);
  margin-top: 3px;
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

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

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-charcoal);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--color-gray);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast);
  background: #fff;
}

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

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

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

.form-error {
  color: var(--color-danger);
  font-size: 0.8rem;
  margin-top: 4px;
  display: none;
}

.form-error.visible {
  display: block;
}

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

.checkbox-group input[type="checkbox"] {
  width: auto;
  margin-top: 3px;
}

.checkbox-group label {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--color-charcoal-light);
}

.site-footer {
  background: var(--color-charcoal);
  color: #fff;
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer-brand h4 {
  color: var(--color-white);
}

.footer-brand p {
  color: var(--color-gray-dark);
  font-size: 0.9rem;
  margin-top: var(--spacing-sm);
}

.footer-links h4 {
  color: #fff;
  margin-bottom: var(--spacing-sm);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links a {
  display: block;
  color: var(--color-gray-dark);
  font-size: 0.85rem;
  padding: 4px 0;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--color-gray-dark);
}

.disclaimer {
  background: var(--color-beige);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  font-size: 0.85rem;
  color: var(--color-charcoal-light);
  border-left: 4px solid var(--color-green);
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #fff;
  border-top: 1px solid var(--color-gray);
  box-shadow: 0 -4px 20px rgba(44, 62, 80, 0.15);
  padding: var(--spacing-md);
  z-index: 9999;
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

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

.cookie-banner-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.cookie-banner p {
  margin-bottom: var(--spacing-sm);
  font-size: 0.9rem;
}

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

.cookie-settings {
  display: none;
  margin-top: var(--spacing-sm);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--color-gray);
}

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

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

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

.cookie-category label {
  font-size: 0.85rem;
  font-weight: 500;
}

.cookie-category span {
  font-size: 0.75rem;
  color: var(--color-charcoal-light);
}

.toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
}

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

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-gray-dark);
  border-radius: 24px;
  transition: var(--transition-fast);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background: #fff;
  border-radius: 50%;
  transition: var(--transition-fast);
}

.toggle-switch input:checked+.toggle-slider {
  background: var(--color-blue);
}

.toggle-switch input:checked+.toggle-slider::before {
  transform: translateX(20px);
}

.toggle-switch input:disabled+.toggle-slider {
  background: var(--color-green);
  opacity: 0.7;
  cursor: not-allowed;
}

.policy-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
}

.policy-content h1 {
  margin-bottom: var(--spacing-md);
}

.policy-content h2 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  font-size: 1.3rem;
}

.policy-content h3 {
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-xs);
  font-size: 1.1rem;
}

.policy-content p,
.policy-content li {
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: var(--spacing-sm);
}

.policy-content ul {
  list-style: disc;
  padding-left: var(--spacing-md);
}

.policy-content .last-updated {
  font-size: 0.85rem;
  color: var(--color-charcoal-light);
  margin-bottom: var(--spacing-lg);
}

.thank-you-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-xl);
}

.thank-you-page i {
  font-size: 3rem;
  color: var(--color-green);
  margin-bottom: var(--spacing-md);
}

.thank-you-page h1 {
  margin-bottom: var(--spacing-sm);
}

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

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

.steps-list {
  counter-reset: steps;
}

.step-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--color-gray);
}

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

.step-number {
  counter-increment: steps;
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 50%;
  background: var(--color-blue);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

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

@media (max-width: 992px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .calendar-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

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

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray);
    padding: var(--spacing-sm) var(--spacing-md);
    display: none;
    box-shadow: var(--shadow-md);
  }

  .main-nav.active {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    gap: var(--spacing-xs);
  }

  .main-nav a {
    display: block;
    padding: var(--spacing-xs) 0;
  }

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

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

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }

  .calendar-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

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

  .hero-content>p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    max-width: 480px;
    margin: 0 auto;
  }

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

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

  .cookie-buttons .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .calendar-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .logo {
    font-size: 1rem;
  }
}