:root {
  --color-primary: #2c5282;
  --color-primary-light: #3b6a9e;
  --color-primary-dark: #1a365d;
  --color-accent: #c05621;
  --color-accent-hover: #a84819;
  --color-btn-primary-hover-text: #ffffff;
  --color-btn-accent-hover-text: #ffffff;
  --color-btn-secondary-hover-text: #ffffff;
  --color-background: #faf7f4;
  --color-surface: #ffffff;
  --color-text: #2d3748;
  --color-text-muted: #4a5568;
  --color-border: #e2e8eb;
  --font-heading: 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Segoe UI', system-ui, sans-serif;
  --shadow-sm: 0 1px 3px rgba(44, 82, 130, 0.08);
  --shadow-md: 0 4px 12px rgba(44, 82, 130, 0.1);
  --shadow-lg: 0 8px 24px rgba(44, 82, 130, 0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --header-height: 60px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-background);
  min-height: 100vh;
}

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

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

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

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

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
}

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

nav ul {
  list-style: none;
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

nav a {
  font-size: 0.95rem;
  font-weight: 500;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  margin: 5px 0;
  transition: var(--transition-fast);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

main {
  padding-bottom: var(--spacing-3xl);
}

section {
  padding: var(--spacing-3xl) var(--spacing-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xl);
  color: var(--color-primary-dark);
  text-align: center;
}

.btn {
  display: inline-block;
  margin-top: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-normal), color var(--transition-normal), transform var(--transition-fast);
}

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

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

.btn-accent {
  background: var(--color-accent);
  color: var(--color-btn-accent-hover-text);
}

.btn-accent:hover {
  background: var(--color-accent-hover);
  color: var(--color-btn-accent-hover-text);
}

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

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

.hero {
  padding: var(--spacing-2xl) var(--spacing-lg);
  background: linear-gradient(135deg, #edf2f7 0%, var(--color-background) 100%);
  border-bottom: 1px solid var(--color-border);
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-2xl);
  align-items: center;
}

.hero-image-wrap {
  text-align: center;
}

.hero-image-wrap img {
  width: 280px;
  height: 280px;
  object-fit: contain;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  box-shadow: var(--shadow-sm);
}

.hero-badge span {
  color: var(--color-accent);
}

.hero-content h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary-dark);
}

.hero-content p {
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-muted);
}

.hero-price {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.hero-price-current {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
}

.hero-price-old {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.hero-form {
  background: var(--color-surface);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

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

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

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

.form-group input.error,
.form-group textarea.error {
  border-color: #c53030;
}

.form-error {
  font-size: 0.85rem;
  color: #c53030;
  margin-top: var(--spacing-xs);
}

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

.form-checkbox input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  flex-shrink: 0;
}

.form-checkbox label {
  font-size: 0.9rem;
  font-weight: 400;
}

.form-checkbox a {
  text-decoration: underline;
}

.features {
  background: linear-gradient(180deg, var(--color-surface) 0%, #f5f8fb 100%);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-xl);
}

.feature-card {
  padding: var(--spacing-xl);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-primary);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-normal), transform var(--transition-normal);
}

.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.feature-card h3 {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary-dark);
}

.feature-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.benefits {
  background: linear-gradient(180deg, var(--color-background) 0%, #edf2f7 100%);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-xl);
}

.benefit-item {
  display: flex;
  gap: var(--spacing-lg);
  align-items: flex-start;
  padding: var(--spacing-lg);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal);
}

.benefit-item:hover {
  transform: translateY(-2px);
}

.benefit-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-surface);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

.benefit-item h3 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-primary-dark);
}

.benefit-item p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.product-detail {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.product-detail h2 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-lg);
  color: var(--color-primary-dark);
}

.product-detail p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-muted);
}

.instructions {
  background: var(--color-background);
}

.instructions-list {
  max-width: 600px;
  margin: 0 auto;
}

.instruction-step {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  align-items: flex-start;
}

.instruction-num {
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  color: var(--color-surface);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

.instruction-step p {
  color: var(--color-text-muted);
}

.composition {
  background: var(--color-surface);
}

.composition-list {
  max-width: 500px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.composition-item {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius-sm);
}

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

.composition-item span:first-child {
  font-weight: 500;
  color: var(--color-text);
}

.composition-item span:last-child {
  color: var(--color-text-muted);
}

.testimonials {
  background: linear-gradient(180deg, #edf2f7 0%, var(--color-background) 100%);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-xl);
}

.testimonial-card {
  background: var(--color-surface);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--color-accent);
}

.testimonial-card blockquote {
  font-style: italic;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text);
}

.testimonial-card cite {
  font-style: normal;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.testimonial-rating {
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.faq {
  background: var(--color-surface);
}

.faq-list {
  max-width: 700px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  padding: var(--spacing-lg) 0;
  background: none;
  border: none;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-primary-dark);
}

.faq-question::after {
  content: '+';
  font-size: 1.25rem;
  transition: transform var(--transition-fast);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer p {
  padding-bottom: var(--spacing-lg);
  color: var(--color-text-muted);
}

.cta-section {
  text-align: center;
  padding: var(--spacing-3xl) var(--spacing-lg);
  background: var(--color-primary);
  color: var(--color-surface);
}

.cta-section h2 {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-md);
}

.cta-section p {
  margin-bottom: var(--spacing-xl);
  opacity: 0.9;
}

.cta-section .btn-accent {
  color: var(--color-btn-accent-hover-text);
}

.cta-section .btn-accent:hover {
  color: var(--color-btn-accent-hover-text);
}

.disclaimer {
  padding: var(--spacing-xl) var(--spacing-lg);
  background: #f7f5f2;
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-align: center;
}

footer {
  background: var(--color-primary-dark);
  color: var(--color-surface);
  padding: var(--spacing-2xl) var(--spacing-lg);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-links a {
  color: var(--color-surface);
  opacity: 0.9;
}

.footer-links a:hover {
  opacity: 1;
}

.footer-contact {
  margin-bottom: var(--spacing-md);
  font-size: 0.95rem;
}

.footer-contact p {
  margin-bottom: var(--spacing-xs);
}

.footer-copyright {
  font-size: 0.9rem;
  opacity: 0.8;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-surface);
  padding: var(--spacing-lg);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
  z-index: 9999;
  display: none;
}

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

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

.cookie-banner h3 {
  margin-bottom: var(--spacing-md);
  font-size: 1.2rem;
}

.cookie-banner p {
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

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

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

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

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

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

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

.cookie-toggle {
  position: relative;
  width: 48px;
  height: 26px;
  background: var(--color-border);
  border-radius: 13px;
  cursor: pointer;
}

.cookie-toggle.active {
  background: var(--color-primary);
}

.cookie-toggle::after {
  content: '';
  position: absolute;
  width: 22px;
  height: 22px;
  background: var(--color-surface);
  border-radius: 50%;
  top: 2px;
  left: 2px;
  transition: transform var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.cookie-toggle.active::after {
  transform: translateX(22px);
}

.cookie-settings-buttons {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.legal-page {
  padding: var(--spacing-2xl) var(--spacing-lg);
  max-width: 800px;
  margin: 0 auto;
}

.legal-page h1 {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-lg);
  color: var(--color-primary-dark);
}

.legal-page h2 {
  font-size: 1.25rem;
  margin: var(--spacing-xl) 0 var(--spacing-md);
  color: var(--color-primary-dark);
}

.legal-page p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-muted);
}

.legal-page ul {
  margin: var(--spacing-md) 0;
  padding-left: var(--spacing-xl);
}

.legal-page li {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-muted);
}

.legal-page .home-btn {
  margin-bottom: var(--spacing-xl);
}

.thank-you-page {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-xl);
}

.thank-you-content {
  max-width: 500px;
}

.thank-you-content h1 {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary-dark);
}

.thank-you-content p {
  margin-bottom: var(--spacing-xl);
  color: var(--color-text-muted);
}

.thank-you-blocks {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.thank-you-block {
  padding: var(--spacing-lg);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  text-align: left;
}

.thank-you-block h3 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary-dark);
}

.thank-you-block p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

@media (max-width: 1000px) {
  .menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-lg);
    display: none;
    margin: 0;
    width: 100%;
  }

  nav.visible {
    display: block;
  }

  nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  nav ul li {
    border-bottom: 1px solid var(--color-border);
  }

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

  nav a {
    display: block;
    padding: var(--spacing-md) 0;
  }
}

@media (max-width: 768px) {
  .cookie-buttons {
    flex-direction: column;
  }

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

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

  .cookie-settings-buttons .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  section {
    padding: var(--spacing-2xl) var(--spacing-md);
  }

  .hero-content h1 {
    font-size: 1.5rem;
  }

  .hero-form {
    padding: var(--spacing-lg);
  }
}