:root {
  --color-primary: #1A1C1E;
  --color-secondary: #E2E4E9;
  --color-accent: #007AFF;
  --color-background: #F8FAFC;
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
  --radius: 4px;
  --shadow: 0 1px 3px rgba(26, 28, 30, 0.08);
  --shadow-glow: 0 0 20px rgba(0, 122, 255, 0.06);
  --spacing: 1rem;
  --transition: 0.3s 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;
}

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

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

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

main {
  flex: 1;
}

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

.section {
  padding: 4rem 0;
  scroll-margin-top: 80px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
}

.section-subtitle {
  font-size: 1rem;
  color: var(--color-secondary);
  margin-bottom: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  border-radius: var(--radius);
  transition: var(--transition);
  background: var(--color-primary);
  color: var(--color-background);
}

.btn:hover {
  color: var(--color-accent);
  box-shadow: 0 2px 0 var(--color-accent);
}

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

.btn-accent:hover {
  opacity: 0.9;
  color: white;
  box-shadow: 0 2px 0 var(--color-primary);
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(248, 250, 252, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 0.5px solid var(--color-secondary);
  padding: 1rem 0;
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.brand-text {
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--color-primary);
}

.nav-desktop {
  display: none;
}

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

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

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

.nav-desktop a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.nav-desktop a:hover::after {
  width: 100%;
}

.burger-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1002;
  border-radius: var(--radius);
}

.burger-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition);
}

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

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

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

.burger-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(26, 28, 30, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 998;
}

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

.burger-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 320px;
  height: 100vh;
  background: var(--color-background);
  padding: 5rem 2rem 2rem;
  transform: translateX(100%);
  transition: transform var(--transition);
  z-index: 999;
  box-shadow: -4px 0 24px rgba(26, 28, 30, 0.1);
  overflow-y: auto;
}

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

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

.burger-menu nav li {
  margin-bottom: 0.5rem;
}

.burger-menu nav a {
  display: block;
  padding: 0.75rem 0;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-primary);
  border-bottom: 0.5px solid transparent;
  transition: var(--transition);
}

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

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  position: relative;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  z-index: 0;
}

.hero-bg img {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 50%;
  max-width: 400px;
  opacity: 0.12;
  object-fit: contain;
  z-index: -1;
}

@media (max-width: 767px) {
  .hero-bg img {
    display: none;
  }
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, var(--color-background) 30%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(0, 122, 255, 0.08);
  border: 0.5px solid rgba(0, 122, 255, 0.2);
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1.2;
  margin-bottom: 1rem;
}

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

.hero-rating-stars {
  color: #F59E0B;
  font-size: 1rem;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--color-primary);
  opacity: 0.9;
  margin-bottom: 1.5rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.hero-price {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

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

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

.hero-form-wrapper {
  background: white;
  border: 0.5px solid var(--color-secondary);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  max-width: 400px;
  margin: 0 auto;
}

.hero-form-wrapper:hover {
  box-shadow: var(--shadow-glow);
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-main);
  font-size: 1rem;
  border: 0.5px solid var(--color-secondary);
  border-radius: var(--radius);
  background: var(--color-background);
  transition: var(--transition);
}

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

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

.gdpr-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.gdpr-checkbox input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--color-accent);
}

.gdpr-checkbox label {
  font-size: 0.85rem;
  color: var(--color-primary);
  opacity: 0.9;
}

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

.form-submit {
  width: 100%;
  padding: 1rem;
}

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

.card {
  background: white;
  border: 0.5px solid var(--color-secondary);
  border-radius: var(--radius);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 122, 255, 0.3), transparent);
  opacity: 0;
  transition: var(--transition);
}

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

.card:hover::before {
  opacity: 1;
  animation: scan 1s ease;
}

@keyframes scan {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100%); }
}

.card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  letter-spacing: 0.02em;
}

.card p {
  font-size: 0.95rem;
  color: var(--color-primary);
  opacity: 0.9;
}

.section-center {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.review-card {
  background: white;
  border: 0.5px solid var(--color-secondary);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: var(--transition);
}

.review-card:hover {
  box-shadow: var(--shadow-glow);
}

.review-stars {
  color: #F59E0B;
  margin-bottom: 0.75rem;
}

.review-text {
  font-size: 0.95rem;
  font-style: italic;
  margin-bottom: 1rem;
}

.review-author {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-primary);
  opacity: 0.8;
}

.faq-item {
  background: white;
  border: 0.5px solid var(--color-secondary);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  box-shadow: var(--shadow);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  color: var(--color-primary);
  transition: var(--transition);
}

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

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-accent);
  transition: transform var(--transition);
}

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

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

.faq-answer-inner {
  padding: 0 1.5rem 1.25rem;
  font-size: 0.95rem;
  color: var(--color-primary);
  opacity: 0.9;
}

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

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  font-size: 1.1rem;
  font-weight: 500;
  background: var(--color-accent);
  color: white;
  border-radius: var(--radius);
  transition: var(--transition);
}

.contact-link:hover {
  opacity: 0.9;
  color: white;
}

.contact-address {
  margin-top: 1.5rem;
  font-size: 0.95rem;
  color: var(--color-primary);
  opacity: 0.9;
}

.disclaimer {
  background: rgba(0, 122, 255, 0.06);
  border: 0.5px solid rgba(0, 122, 255, 0.15);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-top: 3rem;
  font-size: 0.9rem;
  color: var(--color-primary);
  opacity: 0.9;
}

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

.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: white;
}

.footer-copyright {
  font-size: 0.85rem;
  opacity: 0.8;
}

.cookie-banner {
  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 20px rgba(0, 0, 0, 0.2);
  transform: translateY(100%);
  transition: transform var(--transition);
}

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

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

.cookie-text {
  font-size: 0.9rem;
  flex: 1;
  min-width: 250px;
}

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

.cookie-buttons button {
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  border-radius: var(--radius);
  transition: var(--transition);
}

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

.cookie-reject {
  background: transparent;
  color: var(--color-secondary);
  border: 0.5px solid var(--color-secondary);
}

.cookie-settings {
  background: transparent;
  color: var(--color-accent);
}

.cookie-settings-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 10000;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.cookie-settings-modal.visible {
  display: flex;
}

.cookie-settings-content {
  background: var(--color-background);
  padding: 2rem;
  border-radius: var(--radius);
  max-width: 400px;
  width: 100%;
}

.cookie-settings-content h3 {
  margin-bottom: 1.5rem;
}

.cookie-category {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.cookie-category span {
  font-size: 0.9rem;
}

.cookie-toggle {
  width: 44px;
  height: 24px;
  background: var(--color-secondary);
  border-radius: 12px;
  position: relative;
  cursor: pointer;
  border: none;
}

.cookie-toggle::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  background: white;
  border-radius: 50%;
  top: 3px;
  left: 3px;
  transition: var(--transition);
}

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

.cookie-toggle.active::after {
  left: 23px;
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 5rem var(--spacing) 2rem;
}

.legal-content h1 {
  margin-bottom: 1.5rem;
  font-size: 2rem;
}

.legal-content h2 {
  margin: 2rem 0 1rem;
  font-size: 1.5rem;
}

.legal-content p {
  margin-bottom: 1rem;
}

.thank-you-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
}

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

.hero-product-img {
  display: none;
}

.hero-mobile-product {
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.hero-mobile-product img {
  max-width: 200px;
  width: 100%;
  height: auto;
}

.hero-form-product {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 768px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .hero-content .hero-rating,
  .hero-content .hero-description,
  .hero-content .hero-price {
    justify-content: flex-start;
  }

  .hero-content .hero-description {
    margin-left: 0;
  }

  .hero-form-wrapper {
    margin: 0;
  }

  .hero-mobile-product {
    display: none;
  }

  .hero-product-img {
    display: block;
    position: relative;
  }

  .hero-product-img img {
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
  }

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

@media (max-width: 1023px) {
  .nav-desktop {
    display: none;
  }

  .burger-menu {
    max-width: min(1023px, 100%);
  }
}

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

  .nav-desktop {
    display: block;
  }

  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .section-center .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }

}

.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);
}

.form-error {
  font-size: 0.8rem;
  color: #DC2626;
  margin-top: 0.25rem;
}

.form-group.error input,
.form-group.error textarea {
  border-color: #DC2626;
}