/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-primary: #1a7f7a;
  --color-primary-dark: #156b67;
  --color-secondary: #f5f1eb;
  --color-accent: #e8f4f3;
  --color-text: #2d3748;
  --color-text-light: #64748b;
  --color-white: #ffffff;
  --color-border: #e2e8f0;
  --color-warning: #f59e0b;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;
  
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-white);
}

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

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

a:hover {
  text-decoration: underline;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-narrow {
  max-width: 800px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  text-decoration: none;
}

.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--color-secondary);
  text-decoration: none;
}

.btn-small {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-full {
  width: 100%;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--color-text);
}

.logo-icon {
  width: 2rem;
  height: 2rem;
  color: var(--color-primary);
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
}

.nav-desktop {
  display: none;
  gap: 2rem;
}

.nav-link {
  font-size: 0.9rem;
  color: var(--color-text-light);
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: none;
  border: none;
  cursor: pointer;
}

.menu-icon {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-text);
}

.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem;
}

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

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-nav-link {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--color-text);
  border-radius: var(--radius-md);
  transition: background-color 0.2s;
}

.mobile-nav-link:hover {
  background-color: var(--color-secondary);
  text-decoration: none;
}

@media (min-width: 768px) {
  .nav-desktop {
    display: flex;
  }
  
  .menu-toggle {
    display: none;
  }
}

/* Section Styles */
.section-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  background-color: var(--color-accent);
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 1rem;
  text-wrap: balance;
}

.section-description {
  font-size: 1.125rem;
  color: var(--color-text-light);
  max-width: 600px;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header .section-description {
  margin: 0 auto;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2.5rem;
  }
}

/* Hero Section */
.hero {
  padding: 4rem 0;
  background-color: var(--color-secondary);
}

.hero .container {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  background-color: var(--color-accent);
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: 1rem;
  text-wrap: balance;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.hero-disclaimer {
  font-size: 0.75rem;
  color: var(--color-text-light);
  font-style: italic;
}

.hero-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

@media (min-width: 768px) {
  .hero {
    padding: 6rem 0;
  }
  
  .hero .container {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }
  
  .hero-title {
    font-size: 3rem;
  }
}

/* Article Section */
.article {
  padding: 4rem 0;
}

.article-content {
  font-size: 1.125rem;
  line-height: 1.8;
}

.article-content p {
  margin-bottom: 1.5rem;
}

.article-subtitle {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  margin: 2rem 0 1rem;
}

.article-quote {
  margin: 2rem 0;
  padding: 1.5rem 2rem;
  background-color: var(--color-accent);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.article-quote p {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-style: italic;
  color: var(--color-text);
  margin: 0;
}

@media (min-width: 768px) {
  .article {
    padding: 6rem 0;
  }
}

/* Product Section */
.product {
  padding: 4rem 0;
  background-color: var(--color-secondary);
}

.product-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.product-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.product-description {
  font-size: 1.125rem;
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.product-features {
  list-style: none;
  margin-bottom: 1.5rem;
}

.product-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
}

.check-icon {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-primary);
  flex-shrink: 0;
}

.product-disclaimer {
  font-size: 0.75rem;
  color: var(--color-text-light);
  font-style: italic;
}

@media (min-width: 768px) {
  .product {
    padding: 6rem 0;
  }
  
  .product-grid {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }
}

/* Benefits Section */
.benefits {
  padding: 4rem 0;
}

.benefits-grid {
  display: grid;
  gap: 1.5rem;
}

.benefit-card {
  padding: 1.5rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: box-shadow 0.2s;
}

.benefit-card:hover {
  box-shadow: var(--shadow-md);
}

.benefit-icon {
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
}

.benefit-icon svg {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-primary);
}

.benefit-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.benefit-description {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

@media (min-width: 768px) {
  .benefits {
    padding: 6rem 0;
  }
  
  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .benefits-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Usage Section */
.usage {
  padding: 4rem 0;
  background-color: var(--color-secondary);
}

.usage-grid {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.usage-step {
  text-align: center;
  padding: 1.5rem;
}

.usage-number {
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 1.25rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  margin: 0 auto 1rem;
}

.usage-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.usage-description {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.usage-warning {
  display: flex;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background-color: #fef3c7;
  border: 1px solid #fcd34d;
  border-radius: var(--radius-md);
  max-width: 800px;
  margin: 0 auto;
}

.warning-icon {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-warning);
  flex-shrink: 0;
}

.usage-warning p {
  font-size: 0.875rem;
  color: #92400e;
}

@media (min-width: 768px) {
  .usage {
    padding: 6rem 0;
  }
  
  .usage-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Tips Section */
.tips {
  padding: 4rem 0;
}

.tips-grid {
  display: grid;
  gap: 1rem;
}

.tip-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background-color: var(--color-accent);
  border-radius: var(--radius-md);
}

.tip-icon {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-primary);
  flex-shrink: 0;
}

.tip-card span {
  font-size: 0.95rem;
}

@media (min-width: 768px) {
  .tips {
    padding: 6rem 0;
  }
  
  .tips-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .tips-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Trust Section */
.trust {
  padding: 4rem 0;
  background-color: var(--color-secondary);
}

.trust-grid {
  display: grid;
  gap: 1.5rem;
}

.trust-card {
  padding: 1.5rem;
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.trust-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.trust-description {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

@media (min-width: 768px) {
  .trust {
    padding: 6rem 0;
  }
  
  .trust-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* FAQ Section */
.faq {
  padding: 4rem 0;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 1rem 1.5rem;
  background-color: var(--color-white);
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  transition: background-color 0.2s;
}

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

.faq-icon {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-text-light);
  transition: transform 0.2s;
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  display: none;
  padding: 0 1.5rem 1rem;
  background-color: var(--color-white);
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-answer p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

@media (min-width: 768px) {
  .faq {
    padding: 6rem 0;
  }
}

/* Contact Section */
.contact {
  padding: 4rem 0;
  background-color: var(--color-secondary);
}

.contact-grid {
  display: grid;
  gap: 3rem;
}

.contact-description {
  font-size: 1.125rem;
  color: var(--color-text-light);
  margin-bottom: 2rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  gap: 1rem;
}

.contact-icon {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 0.25rem;
}

.contact-item strong {
  display: block;
  margin-bottom: 0.25rem;
}

.contact-item p {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.contact-form-wrapper {
  background-color: var(--color-white);
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  transition: border-color 0.2s;
}

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

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-checkbox {
  flex-direction: row;
  align-items: flex-start;
  gap: 0.75rem;
}

.form-checkbox input {
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.125rem;
  flex-shrink: 0;
}

.form-checkbox label {
  font-size: 0.85rem;
  font-weight: 400;
  line-height: 1.5;
}

@media (min-width: 768px) {
  .contact {
    padding: 6rem 0;
  }
  
  .contact-grid {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }
}

/* Footer */
.footer {
  padding: 3rem 0 1.5rem;
  background-color: #1e293b;
  color: #e2e8f0;
}

.footer-grid {
  display: grid;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand .logo {
  margin-bottom: 1rem;
}

.footer-brand .logo-icon,
.footer-brand .logo-text {
  color: var(--color-white);
}

.footer-description {
  font-size: 0.9rem;
  color: #94a3b8;
}

.footer-links h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--color-white);
}

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

.footer-links li {
  padding: 0.25rem 0;
  font-size: 0.9rem;
  color: #94a3b8;
}

.footer-links a {
  color: #94a3b8;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--color-white);
  text-decoration: none;
}

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid #334155;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: #94a3b8;
  margin-bottom: 0.5rem;
}

.footer-disclaimer {
  font-size: 0.75rem;
  font-style: italic;
}

@media (min-width: 768px) {
  .footer {
    padding: 4rem 0 2rem;
  }
  
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background-color: var(--color-white);
  box-shadow: 0 -4px 6px -1px rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

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

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cookie-text h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.cookie-text p {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.cookie-actions {
  display: flex;
  gap: 0.75rem;
}

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

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

.cookie-setting-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border);
}

.cookie-setting-info strong {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
}

.cookie-setting-info p {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.cookie-setting-item input {
  width: 1.25rem;
  height: 1.25rem;
}

.cookie-settings .btn {
  margin-top: 1rem;
}

@media (min-width: 768px) {
  .cookie-content {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  
  .cookie-text {
    flex: 1;
  }
}

/* Utility Classes */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}