:root {
  --primary-color: #5B8A9F;
  --secondary-color: #7BA3B7;
  --accent-color: #E8B88A;
  --success-color: #88B3A6;
  --warning-color: #D4A574;
  --error-color: #C97676;

  --text-primary: #1a2332;
  --text-secondary: #5A6C7D;
  --text-light: #8B99A8;
  --bg-white: #FFFFFF;
  --bg-light: #F8FAFB;
  --bg-gray: #E8EDF2;
  --border-color: #E1E8ED;

  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 40px;
  --spacing-xl: 64px;
  --spacing-xxl: 96px;

  --border-radius: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12);
}

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

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

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

.site-header {
  background-color: var(--bg-white);
  border-bottom: 1px solid var(--border-color);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(8px);
  background-color: rgba(255, 255, 255, 0.95);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo-icon {
  color: var(--primary-color);
}

.logo a {
  color: var(--primary-color);
  text-decoration: none;
}

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

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

.main-nav a:hover {
  color: var(--primary-color);
  background-color: var(--bg-light);
}

.hero-section {
  position: relative;
  color: var(--bg-white);
  padding: calc(var(--spacing-xxl) * 2) 0;
  text-align: center;
  overflow: hidden;
  min-height: 600px;
  display: flex;
  align-items: center;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(91, 138, 159, 0.95) 0%, rgba(123, 163, 183, 0.9) 100%),
              url('https://images.pexels.com/photos/3822621/pexels-photo-3822621.jpeg?auto=compress&cs=tinysrgb&w=1600') center/cover;
  z-index: 0;
}

.hero-section .container {
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-section h1 {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.95;
}

.disclaimer-badge {
  background-color: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius);
  padding: var(--spacing-sm) var(--spacing-md);
  margin: var(--spacing-lg) auto;
  max-width: 600px;
  font-size: 0.95rem;
}

.cta-primary,
.cta-secondary {
  padding: 16px 32px;
  font-size: 1.05rem;
  font-weight: 600;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  display: inline-block;
  background-color: var(--primary-color);
  color: var(--bg-white);
  box-shadow: var(--shadow-sm);
  letter-spacing: 0.01em;
}

.cta-primary:hover,
.cta-secondary:hover {
  background-color: #4a7285;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(91, 138, 159, 0.3);
}

.awareness-section,
.conversion-section,
.faq-section,
.contact-section {
  padding: var(--spacing-xxl) 0;
}

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

.awareness-section .cta-secondary {
  display: block;
  margin: var(--spacing-lg) auto 0;
  text-align: center;
}

.section-intro {
  text-align: center;
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 720px;
  margin: 0 auto var(--spacing-lg);
  line-height: 1.75;
  font-weight: 400;
}

.contact-email {
  margin-top: var(--spacing-md);
}

.awareness-section h2,
.conversion-section h2,
.faq-section h2,
.contact-section h2 {
  font-size: 2.75rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.content-card {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 0;
  transition: var(--transition);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  height: 100%;
}

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

.card-icon {
  padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-md);
  color: var(--primary-color);
  display: flex;
  justify-content: center;
  align-items: center;
}

.card-icon svg {
  width: 56px;
  height: 56px;
}

.card-image {
  width: 100%;
  height: 200px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  flex-shrink: 0;
}

.content-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: var(--spacing-md) var(--spacing-lg) var(--spacing-sm);
  color: var(--text-primary);
  letter-spacing: -0.01em;
  line-height: 1.3;
  min-height: 60px;
}

.content-card p {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 1rem;
  flex-grow: 1;
}

.medical-disclaimer {
  background-color: #FFF8E5;
  border: 1px solid #FFE0A3;
  border-left: 4px solid #FFC107;
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
  box-shadow: var(--shadow-sm);
}

.medical-disclaimer p {
  color: var(--text-primary);
  line-height: 1.75;
  font-size: 0.95rem;
}

.conversion-section {
  background-color: var(--bg-light);
}

.conversion-intro {
  text-align: center;
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.75;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.optin-form,
.contact-form {
  max-width: 680px;
  margin: 0 auto;
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
}

.optin-form button[type="submit"],
.contact-form button[type="submit"] {
  display: block;
  margin: var(--spacing-lg) auto 0;
  text-align: center;
  min-width: 200px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

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

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-primary);
  font-size: 0.95rem;
  letter-spacing: 0.01em;
}

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

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
  background-color: var(--bg-white);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(91, 138, 159, 0.1);
  background-color: var(--bg-white);
}

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

.dob-inputs {
  display: flex;
  align-items: center;
  gap: 8px;
}

.dob-inputs input {
  flex: 1;
  text-align: center;
}

.dob-inputs input:first-child,
.dob-inputs input:nth-child(3) {
  max-width: 60px;
}

.dob-inputs input:last-child {
  max-width: 90px;
}

.dob-separator {
  font-size: 1.2rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.consent-section {
  margin: var(--spacing-lg) 0 var(--spacing-md);
  padding: var(--spacing-md);
  background-color: var(--bg-light);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

.consent-box {
  margin-bottom: var(--spacing-md);
  display: flex;
  gap: var(--spacing-sm);
  align-items: flex-start;
}

.consent-box input[type="checkbox"] {
  margin-top: 4px;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  cursor: pointer;
}

.consent-label {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-secondary);
  cursor: pointer;
}

.consent-disclosure {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-color);
}

.legal-agreement {
  margin: var(--spacing-md) 0 var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: #E8F4F8;
  border-radius: var(--border-radius);
  font-size: 0.9rem;
  text-align: center;
  line-height: 1.6;
}

.legal-agreement a {
  color: var(--primary-color);
  text-decoration: underline;
  font-weight: 600;
}

.supplement-disclaimer {
  margin: var(--spacing-md) 0;
  padding: var(--spacing-sm);
  background-color: #FFF3E0;
  border: 1px solid #FFB74D;
  border-radius: var(--border-radius);
  font-size: 0.85rem;
}

.form-message {
  margin: var(--spacing-md) auto 0;
  padding: var(--spacing-sm);
  border-radius: var(--border-radius);
  font-weight: 600;
  text-align: center;
  display: none;
  max-width: 600px;
}

.form-message.success {
  display: block;
  background-color: #D4EDDA;
  color: #155724;
  border: 1px solid #C3E6CB;
}

.form-message.error {
  display: block;
  background-color: #F8D7DA;
  color: #721C24;
  border: 1px solid #F5C6CB;
}

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

.faq-list {
  max-width: 840px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  background-color: var(--bg-white);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--bg-white);
  border: none;
  text-align: left;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
  color: var(--text-primary);
}

.faq-question:hover {
  background-color: var(--bg-light);
}

.faq-icon {
  font-size: 1.5rem;
  color: var(--primary-color);
  font-weight: 400;
  transition: var(--transition);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  background-color: var(--bg-light);
}

.faq-answer p {
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--text-secondary);
  line-height: 1.75;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

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

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  max-width: 1080px;
  margin: 0 auto;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  background-color: var(--bg-white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  height: 100%;
}

.contact-info h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.contact-icon {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
  display: flex;
  justify-content: flex-start;
}

.contact-icon svg {
  width: 48px;
  height: 48px;
}

.address {
  line-height: 1.8;
  color: var(--text-secondary);
}

.contact-info p {
  color: var(--text-secondary);
  line-height: 1.75;
}

.contact-email {
  margin-top: var(--spacing-sm);
}

.site-footer {
  background-color: var(--text-primary);
  color: var(--bg-white);
  padding: 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 1fr 1.2fr;
  gap: var(--spacing-xl);
  padding: var(--spacing-xl) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.footer-brand h4,
.footer-legal-links h4,
.footer-notice h4 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-sm);
  color: var(--bg-white);
  font-weight: 600;
}

.footer-brand p {
  font-size: 0.95rem;
  line-height: 1.6;
  opacity: 0.9;
  margin-top: var(--spacing-xs);
}

.footer-legal-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-legal-links li {
  margin-bottom: 10px;
}

.footer-legal-links a {
  color: var(--bg-white);
  text-decoration: none;
  opacity: 0.9;
  transition: var(--transition);
  font-size: 0.9rem;
}

.footer-legal-links a:hover {
  opacity: 1;
  color: var(--accent-color);
}

.footer-notice .footer-disclaimer {
  font-size: 0.85rem;
  line-height: 1.6;
  opacity: 0.85;
  margin-bottom: var(--spacing-sm);
}

.footer-notice .footer-contact {
  font-size: 0.9rem;
  margin: var(--spacing-sm) 0;
  opacity: 0.9;
}

.footer-notice .footer-address {
  font-size: 0.85rem;
  line-height: 1.7;
  opacity: 0.85;
  margin-top: var(--spacing-sm);
}

.footer-bottom {
  background-color: rgba(0, 0, 0, 0.2);
  text-align: center;
  padding: var(--spacing-md) 0;
  font-size: 0.9rem;
  opacity: 0.9;
}

.legal-page {
  padding: var(--spacing-xxl) 0;
  min-height: 60vh;
}

.legal-page h1 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--primary-color);
}

.last-updated {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: var(--spacing-xl);
}

.legal-section {
  margin-bottom: var(--spacing-xl);
}

.legal-section h2 {
  font-size: 1.8rem;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.legal-section p {
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

.legal-section ul {
  margin-left: var(--spacing-lg);
  line-height: 1.8;
  color: var(--text-secondary);
}

.legal-contact {
  margin-top: var(--spacing-xl);
  padding: var(--spacing-lg);
  background-color: var(--bg-light);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

@media (max-width: 768px) {
  .hero-section h1 {
    font-size: 2.25rem;
    line-height: 1.2;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .main-nav {
    flex-wrap: wrap;
    gap: var(--spacing-xs);
  }

  .main-nav a {
    font-size: 0.9rem;
    padding: var(--spacing-xs);
  }

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

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

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

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

  .hero-section,
  .awareness-section,
  .conversion-section,
  .faq-section,
  .contact-section {
    padding: var(--spacing-xl) 0;
  }

  .optin-form,
  .contact-form {
    padding: var(--spacing-lg);
  }

  .awareness-section h2,
  .conversion-section h2,
  .faq-section h2,
  .contact-section h2 {
    font-size: 2rem;
  }

  .card-icon svg {
    width: 48px;
    height: 48px;
  }
}

@media (max-width: 480px) {
  .hero-section h1 {
    font-size: 1.75rem;
    line-height: 1.25;
  }

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

  .container {
    padding: 0 var(--spacing-sm);
  }

  .site-header .container {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }

  .cta-primary,
  .cta-secondary {
    width: 100%;
    padding: 14px var(--spacing-md);
  }

  .optin-form,
  .contact-form {
    padding: var(--spacing-md);
  }

  .awareness-section h2,
  .conversion-section h2,
  .faq-section h2,
  .contact-section h2 {
    font-size: 1.75rem;
  }

  .content-card h3 {
    font-size: 1.35rem;
  }

  .hero-section,
  .awareness-section,
  .conversion-section,
  .faq-section,
  .contact-section {
    padding: var(--spacing-lg) 0;
  }
}