:root {
  --color-primary: #2d4a6f;
  --color-primary-dark: #1e3349;
  --color-accent: #c45c26;
  --color-accent-hover: #dc6b32;
  --color-bg: #f5f3ef;
  --color-bg-alt: #e8e6e2;
  --color-text: #2a2a2a;
  --color-text-muted: #555555;
  --color-white: #ffffff;
  --color-border: #c9c5bf;
  --font-heading: 'Georgia', 'Times New Roman', serif;
  --font-body: 'Segoe UI', system-ui, sans-serif;
  --shadow-sm: 0 2px 4px rgba(45, 74, 111, 0.08);
  --shadow-md: 0 4px 12px rgba(45, 74, 111, 0.1);
  --shadow-lg: 0 8px 24px rgba(45, 74, 111, 0.14);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 50%;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --header-height: 56px;
}

*,
*::before,
*::after {
  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-color: var(--color-bg);
  overflow-x: hidden;
}

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

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

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

header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-md);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

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

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

nav a {
  font-size: 0.95rem;
  font-weight: 500;
  padding: var(--spacing-xs) 0;
}

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

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

main {
  min-height: 60vh;
}

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

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

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

.section-tinted {
  background: linear-gradient(180deg, rgba(45, 74, 111, 0.04) 0%, var(--color-bg) 100%);
}

.section-title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.hero {
  background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
  padding: var(--spacing-lg) var(--spacing-md);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-xl);
  align-items: center;
  min-height: 400px;
}

.hero-image-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
}

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

.hero-badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.9rem;
  color: var(--color-primary);
}

.hero-badge span {
  background: var(--color-accent);
  color: var(--color-white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.hero-content h1 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-sm);
}

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

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

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

.hero-price-old {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  text-decoration: line-through;
}

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

.order-form label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  font-size: 0.9rem;
}

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

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

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

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

.order-form input[type="checkbox"] {
  width: auto;
  margin: 0.25rem 0 0 0;
}

.order-form .error-message {
  color: #b91c1c;
  font-size: 0.85rem;
  margin-top: -0.5rem;
  margin-bottom: var(--spacing-sm);
  display: none;
}

.order-form input.error,
.order-form textarea.error {
  border-color: #b91c1c;
}

.order-form input[type="checkbox"].error {
  outline: 2px solid #b91c1c;
  outline-offset: 2px;
}

.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-1px);
}

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

.btn-accent:hover {
  background-color: var(--color-accent-hover);
  color: var(--color-primary-dark);
  transform: translateY(-1px);
}

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

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

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

.characteristic-card {
  background: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-normal), transform var(--transition-normal);
}

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

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

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

.benefit-item {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
  background: var(--color-bg-alt);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  transition: background var(--transition-normal);
}

.benefit-item:hover {
  background: var(--color-border);
}

.benefit-icon {
  width: 48px;
  height: 48px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: 700;
  font-size: 1.2rem;
}

.product-description {
  background: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

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

.usage-instructions {
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
}

.usage-instructions ol {
  margin-left: var(--spacing-lg);
  margin-top: var(--spacing-md);
}

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

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

.composition-item {
  background: var(--color-white);
  padding: var(--spacing-md);
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--color-accent);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, 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);
  transition: box-shadow var(--transition-normal);
}

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

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

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

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

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

.faq-item summary {
  padding: var(--spacing-md);
  cursor: pointer;
  font-weight: 600;
  color: var(--color-primary);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background var(--transition-fast);
}

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

.faq-item summary::after {
  content: "+";
  font-size: 1.2rem;
  font-weight: 700;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item div {
  padding: 0 var(--spacing-md) var(--spacing-md);
  color: var(--color-text-muted);
}

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

.cta-section h2 {
  font-family: var(--font-heading);
  margin-bottom: var(--spacing-md);
}

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

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

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

.disclaimer {
  background: var(--color-bg-alt);
  padding: var(--spacing-md);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-xl);
}

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

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

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

.footer-links a {
  color: rgba(255, 255, 255, 0.9);
}

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

.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-primary-dark);
  color: var(--color-white);
  padding: var(--spacing-lg);
  z-index: 9999;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
}

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

.cookie-banner p {
  margin-bottom: var(--spacing-md);
  font-size: 0.95rem;
}

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

.cookie-buttons .btn {
  background: var(--color-accent);
  color: var(--color-primary-dark);
}

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

.cookie-buttons .btn-outline {
  border-color: var(--color-white);
  color: var(--color-white);
}

.cookie-buttons .btn-outline:hover {
  background: var(--color-white);
  color: var(--color-primary-dark);
}

.cookie-settings {
  display: none;
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.3);
}

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

.cookie-setting-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.cookie-setting-row label {
  font-size: 0.9rem;
}

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

.toggle-switch.active {
  background: var(--color-accent);
}

.toggle-switch::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  background: var(--color-white);
  border-radius: var(--radius-full);
  top: 2px;
  left: 2px;
  transition: transform var(--transition-fast);
}

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

.toggle-switch.disabled {
  pointer-events: none;
  opacity: 0.6;
}

.legal-page {
  padding: var(--spacing-xl) var(--spacing-md);
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
  background: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.legal-content h2 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--color-primary);
  margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.legal-content h2:first-child {
  margin-top: 0;
}

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

.legal-content ul {
  margin-left: var(--spacing-lg);
}

.home-button {
  margin-bottom: var(--spacing-lg);
}

.thank-you-page {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
  min-height: 60vh;
}

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

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

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

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

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

.mailto-btn {
  display: inline-block;
  margin-top: var(--spacing-md);
}

@media (max-width: 1000px) {
  nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: none;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal), box-shadow var(--transition-normal), padding var(--transition-normal);
    margin: 0;
    border: none;
  }

  nav.active {
    max-height: 400px;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
  }

  nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }

  nav a {
    display: block;
    width: 100%;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: clamp(0.8rem, 2.5vw, 0.95rem);
  }

  .menu-toggle {
    display: block;
  }
}

@media (max-width: 640px) {
  nav a {
    font-size: 0.85rem;
    padding: var(--spacing-xs);
  }

  nav ul {
    gap: 2px;
  }

  .legal-page {
    padding: var(--spacing-md) var(--spacing-sm);
  }

  .legal-content {
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .legal-content h2 {
    font-size: 1.15rem;
  }

  .legal-content ul {
    margin-left: var(--spacing-md);
    padding-left: var(--spacing-sm);
  }

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

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

  .cookie-settings .cookie-setting-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }

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