:root {
  --color-primary: #2c5282;
  --color-primary-light: #3182ce;
  --color-primary-dark: #1a365d;
  --color-accent: #b7791f;
  --color-accent-hover: #975a16;
  --color-accent-light: #ecc94b;
  --color-text: #2d3748;
  --color-text-muted: #718096;
  --color-bg: #f7fafc;
  --color-bg-alt: #edf2f7;
  --color-white: #ffffff;
  --color-border: #e2e8f0;
  --color-error: #c53030;
  --color-success: #276749;
  --font-heading: "Playfair Display", Georgia, serif;
  --font-body: "Lato", "Helvetica Neue", Arial, sans-serif;
  --shadow-sm: 0 1px 3px rgba(44, 82, 130, 0.1);
  --shadow-md: 0 4px 12px rgba(44, 82, 130, 0.12);
  --shadow-lg: 0 10px 40px rgba(44, 82, 130, 0.15);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 50px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
}

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

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

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

header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-sm) var(--spacing-md);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 52px;
  position: relative;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
}

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

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

.nav-desktop a {
  font-size: 0.9rem;
  font-weight: 500;
}

.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

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

.nav-mobile {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin: 0;
  background: var(--color-white);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-md);
  flex-direction: column;
}

.nav-mobile.active {
  display: flex;
}

.nav-mobile a {
  padding: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border);
  font-weight: 500;
}

.nav-mobile a:last-child {
  border-bottom: none;
}

main {
  min-height: 60vh;
}

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

.section-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: var(--spacing-lg);
  color: var(--color-primary-dark);
  text-align: center;
}

.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition), transform var(--transition);
}

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

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

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

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

.hero {
  padding: var(--spacing-lg) var(--spacing-md);
  background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-white) 100%);
}

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

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

.hero-image-wrap img {
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
}

.hero-badges {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-top: var(--spacing-sm);
  flex-wrap: wrap;
}

.badge {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
}

.badge-rating {
  background: var(--color-accent);
}

.hero-content h1 {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-sm);
}

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

.price-block {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.price-current {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
}

.price-old {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.order-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  max-width: 360px;
}

#contact-form .order-form {
  margin: 0 auto;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

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

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

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

.form-error {
  display: block;
  font-size: 0.85rem;
  color: var(--color-error);
  min-height: 1.25em;
}

.form-group.checkbox-wrap {
  flex-direction: row;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.form-group.checkbox-wrap input[type="checkbox"] {
  width: 18px;
  height: 18px;
  min-width: 18px;
  flex-shrink: 0;
  margin: 0;
  margin-top: 0.2em;
}

.form-group.checkbox-wrap label {
  flex: 1;
}

.form-group input[type="checkbox"]:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.order-form textarea {
  resize: vertical;
  min-height: 80px;
}

#features {
  background: linear-gradient(180deg, var(--color-white) 0%, var(--color-bg-alt) 100%);
}

#benefits .benefit-item {
  border-left: 4px solid var(--color-primary);
}

#product .product-detail {
  border: 1px solid var(--color-border);
}

#usage .usage-instruction {
  box-shadow: var(--shadow-md);
}

#ingredients .ingredient-item {
  border-left: 3px solid var(--color-accent);
}

#reviews {
  background: var(--color-bg-alt);
}

#reviews .testimonial-card {
  border-radius: var(--radius-lg);
  border-bottom: 4px solid var(--color-primary);
}

#faq .faq-item {
  border-left: 4px solid var(--color-accent);
}

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

.feature-card {
  background: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
  border-top: 3px solid var(--color-accent);
}

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

.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

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

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

.benefit-item::before {
  content: "";
  width: 24px;
  height: 24px;
  min-width: 24px;
  background: var(--color-accent);
  border-radius: var(--radius-sm);
}

.product-detail {
  background: var(--color-bg-alt);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  margin-top: var(--spacing-md);
}

.usage-instruction {
  background: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-primary);
}

.ingredients-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--spacing-sm);
}

.ingredient-item {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-white);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

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

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

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

.testimonial-card cite {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

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

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

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

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

.faq-item.active .faq-answer {
  padding: 0 var(--spacing-md) var(--spacing-md);
  max-height: 500px;
}

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

.cta-section h2 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.cta-section .btn-accent {
  margin-top: var(--spacing-sm);
}

.cta-section .btn-accent:hover {
  background: var(--color-accent-light);
  color: var(--color-primary-dark);
}

.disclaimer {
  background: var(--color-bg-alt);
  padding: var(--spacing-md);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  margin-top: var(--spacing-xl);
}

footer {
  background: var(--color-primary-dark);
  color: var(--color-accent-light);
  padding: var(--spacing-xl) var(--spacing-md);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--spacing-xl);
}

.footer-inner a {
  color: var(--color-accent-light);
}

.footer-inner a:hover {
  color: var(--color-white);
}

.footer-copyright {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  text-align: center;
  font-size: 0.9rem;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-white);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
  padding: var(--spacing-lg);
  z-index: 1000;
  display: none;
}

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

.cookie-banner-inner {
  max-width: 800px;
  margin: 0 auto;
}

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

.cookie-settings-panel {
  display: none;
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
}

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

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

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

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

.legal-page h1 {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-md);
}

.legal-page h2 {
  font-size: 1.25rem;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

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

.home-btn {
  display: inline-block;
  margin-bottom: var(--spacing-lg);
}

.thank-you-page {
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-md);
}

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

.thank-you-blocks {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.thank-you-block {
  background: var(--color-bg-alt);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
}

.thank-you-block h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

@media (max-width: 1000px) {
  .nav-desktop {
    display: none;
  }

  .nav-mobile-toggle {
    display: block;
  }

  .header-inner {
    position: relative;
  }

  .nav-mobile {
    margin: 0;
  }

  .hero-inner {
    grid-template-columns: 1fr;
  }

  .features-grid,
  .benefits-list,
  .testimonials-grid,
  .ingredients-list {
    grid-template-columns: 1fr;
  }
}

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

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

@media (max-width: 600px) {

  section {
    padding: var(--spacing-lg) var(--spacing-sm);
  }

  .hero-content h1 {
    font-size: 1.75rem;
  }

  .price-current {
    font-size: 1.5rem;
  }
}