:root {
  --color-primary: #121212;
  --color-secondary: #D1D5DB;
  --color-accent: #8B5CF6;
  --color-background: #F9FAFB;
  --font-main: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
  --radius: 6px;
  --radius-cut: 0 0 0 6px;
  --shadow: 0 4px 24px rgba(18, 18, 18, 0.06);
  --shadow-glow: 0 0 24px rgba(139, 92, 246, 0.25);
  --spacing: 1rem;
  --spacing-section: clamp(3rem, 8vw, 5rem);
  --max-width: 1200px;
  --header-height: 72px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  margin: 0;
  font-family: var(--font-main);
  font-size: 1rem;
  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: var(--color-primary);
}

a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.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;
}

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

header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(249, 250, 251, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-secondary);
  height: var(--header-height);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-primary);
}

.brand img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

nav a {
  padding: 0.5rem 0.75rem;
  color: var(--color-primary);
  font-size: 0.9rem;
  border-radius: var(--radius);
  position: relative;
}

nav a:hover {
  color: var(--color-accent);
  background: rgba(139, 92, 246, 0.08);
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition), left var(--transition);
}

nav a:hover::after {
  width: 80%;
  left: 10%;
}

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

.burger:hover {
  background: rgba(139, 92, 246, 0.08);
  box-shadow: 0 0 16px rgba(139, 92, 246, 0.15);
}

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

.burger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.burger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.overlay-nav {
  display: none;
  position: fixed;
  inset: 0;
  top: var(--header-height);
  z-index: 99;
  background: rgba(18, 18, 18, 0.6);
  backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.overlay-nav.is-open {
  opacity: 1;
  visibility: visible;
}

.overlay-nav .nav-menu {
  list-style: none;
  margin: 0;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: 1023px;
  width: 100%;
  margin: 0 auto;
}

.overlay-nav .nav-menu a {
  display: block;
  padding: 1rem 1.25rem;
  color: var(--color-background);
  font-size: 1.1rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition);
}

.overlay-nav .nav-menu a:hover,
.overlay-nav .nav-menu a:focus {
  background: rgba(139, 92, 246, 0.2);
  border-color: rgba(139, 92, 246, 0.5);
  color: #fff;
}

@media (max-width: 1023px) {
  .burger {
    display: flex;
  }

  nav.desktop-nav {
    display: none;
  }

  .overlay-nav {
    display: block;
  }
}

@media (min-width: 1024px) {
  .overlay-nav {
    display: none !important;
  }
}

section {
  padding: var(--spacing-section) 0;
  scroll-margin-top: var(--header-height);
}

section:nth-child(even) {
  background: rgba(209, 213, 219, 0.12);
}

.section-title {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  color: var(--color-primary);
  margin: 0 0 0.5rem;
  letter-spacing: 0.02em;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-secondary);
  margin: 0 0 2rem;
  max-width: 560px;
}

.grid {
  display: grid;
  gap: var(--spacing);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.card:hover {
  border-color: rgba(139, 92, 246, 0.2);
  box-shadow: 0 0 0 1px rgba(139, 92, 246, 0.1), var(--shadow);
}

.card h3 {
  font-family: var(--font-mono);
  font-size: 1rem;
  margin: 0 0 0.5rem;
  color: var(--color-primary);
}

.card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-primary);
  opacity: 0.9;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.5rem;
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--color-accent), #7C3AED);
  border: none;
  border-radius: var(--radius-cut);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
}

.btn:hover {
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.hero {
  padding: clamp(2rem, 6vw, 4rem) 0;
  position: relative;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-content {
  max-width: 520px;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.35rem 0.75rem;
  background: rgba(139, 92, 246, 0.12);
  color: var(--color-accent);
  border-radius: var(--radius);
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}

.hero h1 {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  margin: 0 0 1rem;
  line-height: 1.2;
  color: var(--color-primary);
}

.hero-desc {
  font-size: 1.05rem;
  margin: 0 0 1.25rem;
  color: var(--color-primary);
  opacity: 0.9;
}

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

.hero-rating span {
  font-size: 0.9rem;
  color: var(--color-primary);
}

.hero-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

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

.hero-price-old {
  font-size: 1rem;
  color: var(--color-secondary);
  text-decoration: line-through;
}

.hero-form-wrap {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--color-secondary);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.hero-form-wrap h3 {
  font-size: 1.1rem;
  margin: 0 0 1rem;
  color: var(--color-primary);
}

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

.form-group label {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
  color: var(--color-primary);
}

.form-group label .required {
  color: #b91c1c;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.65rem 0.9rem;
  font-family: var(--font-main);
  font-size: 1rem;
  border: 1px solid var(--color-secondary);
  border-radius: var(--radius);
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
}

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

.form-group.checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.form-group.checkbox input {
  width: auto;
  margin-top: 0.25rem;
}

.form-group.checkbox label {
  margin-bottom: 0;
  font-size: 0.85rem;
}

.form-group .error {
  font-size: 0.8rem;
  color: #b91c1c;
  margin-top: 0.25rem;
}

.hero-product-img {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-product-img img {
  max-height: 380px;
  width: auto;
  transition: transform var(--transition);
}

.hero-product-img:hover img {
  transform: scale(1.05);
}

@media (max-width: 768px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content {
    max-width: none;
  }

  .hero-product-img {
    order: -1;
  }

  .hero-product-img img {
    max-height: 240px;
  }
}

.disclaimer {
  background: rgba(209, 213, 219, 0.25);
  border-left: 4px solid var(--color-accent);
  padding: 1rem 1.25rem;
  margin: 2rem 0;
  font-size: 0.9rem;
  color: var(--color-primary);
}

.disclaimer p {
  margin: 0;
}

.contact-box {
  display: inline-flex;
  flex-direction: column;
  gap: 0.5rem;
}

.contact-box a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.1rem;
  color: var(--color-accent);
}

.contact-box a:hover {
  text-decoration: underline;
}

.contact-address {
  font-size: 1rem;
  color: var(--color-primary);
  margin-top: 0.5rem;
}

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

.faq-item summary {
  padding: 1rem 1.25rem;
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background var(--transition);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.25rem;
  color: var(--color-accent);
  transition: transform var(--transition);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item summary:hover {
  background: rgba(139, 92, 246, 0.06);
}

.faq-item .faq-content {
  padding: 0 1.25rem 1rem;
}

.faq-item .faq-content p {
  margin: 0;
  font-size: 0.95rem;
}

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

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

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

.footer-links a:hover {
  color: #fff;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--color-primary);
  color: var(--color-secondary);
  padding: 1.25rem var(--spacing);
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.2);
  display: none;
}

.cookie-banner.is-visible {
  display: block;
  animation: slideUp 0.4s ease;
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

.cookie-banner .container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.cookie-banner p {
  margin: 0 0 1rem;
  font-size: 0.95rem;
}

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

.cookie-banner .btn {
  padding: 0.6rem 1.2rem;
  font-size: 0.9rem;
}

.cookie-settings {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.cookie-settings[hidden] {
  display: none !important;
}

.cookie-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
}

.cookie-toggle input {
  width: 44px;
  height: 24px;
  accent-color: var(--color-accent);
}

.policy-page main {
  padding: var(--spacing-section) 0;
}

.policy-page h1 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.5rem;
}

.policy-page .date {
  font-size: 0.9rem;
  color: var(--color-secondary);
  margin-bottom: 2rem;
}

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

.policy-page p,
.policy-page ul {
  margin: 0 0 1rem;
  max-width: 72ch;
}

main .thank-you {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-section) var(--spacing);
  min-height: 50vh;
}

.thank-you h1 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin: 0 0 1rem;
}

.thank-you p {
  margin: 0 0 1.5rem;
  max-width: 480px;
}

.thank-you .btn {
  margin-top: 0.5rem;
}

.scale-on-scroll {
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.scale-on-scroll.visible {
  transform: scale(1.05);
}

.count-up {
  font-variant-numeric: tabular-nums;
}