:root {
  --color-primary: #1A1C1E;
  --color-secondary: #F1F3F5;
  --color-accent: #2E5BFF;
  --color-background: #FFFFFF;
  --font-main: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius: 4px;
  --shadow: 0 1px 3px rgba(26, 28, 30, 0.08);
  --spacing: 1.5rem;
  --line-color: rgba(46, 91, 255, 0.15);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-primary);
  background: var(--color-background);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

main {
  flex: 1;
}

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

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

a:hover {
  color: #1e45cc;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing);
}

header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-background);
  border-bottom: 1px solid var(--line-color);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem var(--spacing);
  max-width: 1200px;
  margin: 0 auto;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--color-primary);
}

.logo-link:hover {
  color: var(--color-accent);
}

.logo-link img {
  width: 40px;
  height: 40px;
}

.nav-desktop {
  display: none;
}

.nav-desktop ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

.nav-desktop a {
  color: var(--color-primary);
  font-size: 0.9rem;
  font-weight: 500;
}

.nav-desktop a:hover {
  color: var(--color-accent);
}

.burger-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: 1px solid var(--line-color);
  border-radius: var(--radius);
  cursor: pointer;
  padding: 10px;
  transition: background var(--transition), border-color var(--transition);
}

.burger-btn:hover {
  background: var(--color-secondary);
  border-color: var(--color-accent);
}

.burger-btn span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-primary);
  transition: transform var(--transition), opacity var(--transition);
}

.burger-btn.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger-btn.active span:nth-child(2) {
  opacity: 0;
}

.burger-btn.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.burger-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26, 28, 30, 0.5);
  z-index: 1001;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.burger-overlay.active {
  opacity: 1;
  visibility: visible;
}

.burger-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 1023px;
  height: 100vh;
  background: var(--color-background);
  z-index: 1002;
  padding: 5rem 2rem 2rem;
  transform: translateX(100%);
  transition: transform var(--transition);
  overflow-y: auto;
  box-shadow: -4px 0 24px rgba(26, 28, 30, 0.12);
}

.burger-menu.active {
  transform: translateX(0);
}

.burger-menu ul {
  list-style: none;
}

.burger-menu li {
  border-bottom: 1px solid var(--line-color);
}

.burger-menu a {
  display: block;
  padding: 1rem 0;
  color: var(--color-primary);
  font-weight: 500;
}

.burger-menu a:hover {
  color: var(--color-accent);
}

@media (min-width: 1024px) {
  .burger-btn,
  .burger-overlay,
  .burger-menu {
    display: none;
  }

  .nav-desktop {
    display: block;
  }
}

@media (max-width: 1023px) {
  .burger-btn,
  .burger-overlay,
  .burger-menu {
    display: block;
  }

  .burger-menu {
    max-width: 1023px;
  }
}

section {
  padding: 4rem 0;
  border-bottom: 1px solid var(--line-color);
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.section-header h2 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.section-header p {
  color: #5a5d60;
  font-size: 1rem;
  font-family: var(--font-mono);
}

.hero {
  padding: 3rem 0 4rem;
  background: linear-gradient(180deg, var(--color-secondary) 0%, var(--color-background) 100%);
}

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

.hero-content {
  order: 1;
}

.hero-product {
  order: 0;
  display: flex;
  justify-content: center;
}

.hero-product img {
  width: 200px;
  height: 200px;
  object-fit: contain;
}

.rating {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.rating-stars {
  color: #f5a623;
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(46, 91, 255, 0.1);
  color: var(--color-accent);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius);
  margin-bottom: 1rem;
}

.price-block {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1rem 0;
}

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

.price-old {
  font-size: 1rem;
  color: #9a9da0;
  text-decoration: line-through;
}

.order-form {
  background: var(--color-background);
  border: 1px solid var(--line-color);
  border-radius: var(--radius);
  padding: 2rem;
  margin-top: 2rem;
}

.order-form label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.order-form input,
.order-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--line-color);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
  margin-bottom: 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.order-form input:focus,
.order-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(46, 91, 255, 0.15);
}

.gdpr-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.gdpr-checkbox input {
  width: 20px;
  height: 20px;
  margin: 0;
  flex-shrink: 0;
}

.gdpr-checkbox label {
  font-size: 0.8rem;
  font-weight: 400;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  border: 2px solid var(--color-accent);
  background: var(--color-accent);
  color: var(--color-background);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), transform 0.15s ease;
}

.btn:hover {
  background: #1e45cc;
  border-color: #1e45cc;
  color: var(--color-background);
}

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

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

.card-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 1.5rem;
}

.card {
  background: var(--color-background);
  border: 1px solid var(--line-color);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px rgba(46, 91, 255, 0.2);
}

.card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.card p {
  font-size: 0.9rem;
  color: #5a5d60;
}

.disclaimer {
  background: var(--color-secondary);
  padding: 2rem;
  border-radius: var(--radius);
  font-size: 0.8rem;
  color: #5a5d60;
  text-align: center;
  margin-top: 2rem;
}

.contact-section {
  text-align: center;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background: var(--color-accent);
  color: var(--color-background);
  border-radius: var(--radius);
  font-weight: 600;
  transition: background var(--transition);
}

.contact-link:hover {
  background: #1e45cc;
  color: var(--color-background);
}

footer {
  margin-top: auto;
  background: var(--color-primary);
  color: var(--color-secondary);
  padding: 2rem var(--spacing);
}

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

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.footer-links a {
  color: var(--color-secondary);
  font-size: 0.9rem;
}

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

.footer-copy {
  font-size: 0.85rem;
  opacity: 0.9;
}

.cookie-consent {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-primary);
  color: var(--color-secondary);
  padding: 1.5rem 2rem;
  z-index: 9999;
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.2);
  transform: translateY(100%);
  transition: transform var(--transition);
}

.cookie-consent.visible {
  transform: translateY(0);
}

.cookie-consent-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

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

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

.cookie-settings {
  display: none;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

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

.cookie-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0;
}

.accordion-item {
  border: 1px solid var(--line-color);
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
  overflow: hidden;
}

.accordion-trigger {
  width: 100%;
  padding: 1rem 1.25rem;
  background: var(--color-background);
  border: none;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background var(--transition);
}

.accordion-trigger:hover {
  background: var(--color-secondary);
}

.accordion-content {
  padding: 0 1.25rem 1rem;
  font-size: 0.95rem;
  color: #5a5d60;
}

.accordion-content[hidden] {
  display: none;
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }

  .hero-content {
    order: 0;
  }

  .hero-product {
    order: 1;
  }

  .hero-product img {
    width: 280px;
    height: 280px;
  }

  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.thank-you-page {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
}

.thank-you-page h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.thank-you-page p {
  color: #5a5d60;
  margin-bottom: 2rem;
}

.legal-page {
  padding: 4rem 0;
  max-width: 720px;
  margin: 0 auto;
}

.legal-page h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.legal-page h2 {
  font-size: 1.25rem;
  margin: 2rem 0 0.75rem;
}

.legal-page p {
  margin-bottom: 1rem;
  color: #5a5d60;
}

.legal-page ul {
  margin: 0 0 1rem 1.5rem;
}

.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;
}