:root {
  --color-primary: #18181B;
  --color-secondary: #F1F1F4;
  --color-accent: #00F2FF;
  --color-background: #FFFFFF;
  --font-main: "DM Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: "Space Grotesk", var(--font-main);
  --radius: 2px;
  --shadow: 0 4px 24px rgba(0, 242, 255, 0.08);
  --spacing: 1.5rem;
  --header-height: 72px;
  --max-width: 1200px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  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;
}

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

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

a:hover {
  opacity: 0.85;
}

main {
  flex: 1;
}

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

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-secondary);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-primary);
}

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

nav ul {
  list-style: none;
  display: flex;
  gap: 1.75rem;
}

nav a {
  color: var(--color-primary);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.03em;
}

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

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

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

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

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

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

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

.burger-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(24, 24, 27, 0.5);
  z-index: 1001;
  opacity: 0;
  transition: opacity var(--transition);
}

.burger-overlay.is-open {
  opacity: 1;
}

.burger-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 1023px;
  height: 100vh;
  background: var(--color-background);
  z-index: 1002;
  padding: calc(var(--header-height) + 2rem) 2rem 2rem;
  transform: translateX(100%);
  transition: transform var(--transition);
  overflow-y: auto;
}

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

.burger-menu ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0;
}

.burger-menu li {
  margin-bottom: 0;
  width: 100%;
}

.burger-menu a {
  display: block;
  padding: 0.75rem 0;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-secondary);
}

section {
  padding: 4rem 0;
  scroll-margin-top: var(--header-height);
}

.section-title {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  letter-spacing: -0.02em;
  color: var(--color-primary);
  margin-bottom: 1rem;
  text-align: center;
}

.section-subtitle {
  font-size: 1rem;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  opacity: 0.7;
  text-align: center;
  max-width: 560px;
  margin: 0 auto 2.5rem;
}

.hero {
  padding-top: calc(var(--header-height) + 4rem);
  padding-bottom: 4rem;
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 242, 255, 0.04) 0%, transparent 50%);
  pointer-events: none;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}

.hero-bg img {
  position: absolute;
  bottom: 0;
  right: 0;
  width: min(55%, 420px);
  height: auto;
  opacity: 0.35;
  object-fit: contain;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-content h1 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1rem;
  color: var(--color-primary);
}

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

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

.hero-rating span {
  font-size: 0.9rem;
  color: var(--color-primary);
  opacity: 0.8;
}

.hero-desc {
  margin-bottom: 1.5rem;
  color: var(--color-primary);
  opacity: 0.9;
  max-width: 480px;
}

.hero-badge {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  background: var(--color-secondary);
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
  color: var(--color-primary);
}

.hero-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.hero-price {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-accent);
}

.hero-price-old {
  font-size: 1rem;
  color: var(--color-primary);
  opacity: 0.5;
  text-decoration: line-through;
}

.order-form {
  background: var(--color-background);
  border: 1px solid var(--color-secondary);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.order-form label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.35rem;
  color: var(--color-primary);
}

.order-form input,
.order-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-secondary);
  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 2px rgba(0, 242, 255, 0.2);
}

.order-form textarea {
  min-height: 100px;
  resize: vertical;
}

.gdpr-check {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.gdpr-check input {
  width: auto;
  margin: 0.35rem 0 0;
}

.gdpr-check label {
  margin-bottom: 0;
  font-size: 0.8rem;
  font-weight: 400;
}

.btn-cta {
  display: inline-block;
  width: 100%;
  padding: 1rem 1.5rem;
  background: var(--color-primary);
  color: var(--color-background);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.05em;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}

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

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

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

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(0, 242, 255, 0.06), transparent 70%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.card:hover {
  box-shadow: 0 8px 32px rgba(0, 242, 255, 0.12);
  border-color: rgba(0, 242, 255, 0.2);
}

.card:hover::before {
  opacity: 1;
}

.card h3 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
}

.card p {
  font-size: 0.95rem;
  color: var(--color-primary);
  opacity: 0.85;
}

.disclaimer {
  background: var(--color-secondary);
  padding: 1.25rem var(--spacing);
  font-size: 0.8rem;
  color: var(--color-primary);
  opacity: 0.9;
  text-align: center;
  margin-top: 2rem;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), transparent);
  z-index: 1003;
  transform-origin: left;
  width: 0%;
}

footer {
  margin-top: auto;
  padding: 2.5rem var(--spacing);
  background: var(--color-primary);
  color: var(--color-secondary);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 1.5rem;
  margin-bottom: 1rem;
}

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

.footer-copy {
  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 var(--spacing);
  z-index: 9999;
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.15);
  display: none;
}

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

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

.cookie-banner p {
  flex: 1 1 300px;
  font-size: 0.9rem;
}

.cookie-banner-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.cookie-banner button {
  padding: 0.6rem 1rem;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  transition: opacity var(--transition);
  border: none;
}

.cookie-banner .btn-accept {
  background: var(--color-accent);
  color: var(--color-primary);
}

.cookie-banner .btn-reject {
  background: transparent;
  color: var(--color-secondary);
  border: 1px solid var(--color-secondary);
}

.cookie-banner .btn-settings {
  background: var(--color-secondary);
  color: var(--color-primary);
}

.cookie-settings-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 10000;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

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

.cookie-settings-inner {
  background: var(--color-background);
  max-width: 440px;
  width: 100%;
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-secondary);
}

.cookie-settings-inner h3 {
  margin-bottom: 1rem;
  font-family: var(--font-heading);
  font-size: 1.25rem;
}

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

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

.toggle {
  width: 48px;
  height: 26px;
  background: var(--color-secondary);
  border-radius: 13px;
  position: relative;
  cursor: pointer;
  border: none;
  transition: background var(--transition);
}

.toggle[aria-pressed="true"] {
  background: var(--color-accent);
}

.toggle::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  background: var(--color-background);
  border-radius: 50%;
  top: 2px;
  left: 2px;
  transition: transform var(--transition);
}

.toggle[aria-pressed="true"]::after {
  transform: translateX(22px);
}

.contact-content {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.contact-content p {
  margin-bottom: 1rem;
  color: var(--color-primary);
  opacity: 0.9;
}

.contact-email {
  display: inline-block;
  padding: 1rem 2rem;
  background: var(--color-primary);
  color: var(--color-background);
  font-weight: 600;
  border-radius: var(--radius);
  transition: background var(--transition), box-shadow var(--transition);
}

.contact-email:hover {
  background: var(--color-accent);
  color: var(--color-primary);
}

.faq-list {
  max-width: 640px;
  margin: 2rem auto 0;
}

.faq-item {
  border-bottom: 1px solid var(--color-secondary);
}

.faq-question {
  width: 100%;
  padding: 1rem 0;
  text-align: left;
  background: none;
  border: none;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: color var(--transition);
}

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

.faq-question::after {
  content: "+";
  font-size: 1.25rem;
  flex-shrink: 0;
  transition: transform var(--transition);
}

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

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

.faq-answer-inner {
  padding: 0 0 1rem;
  font-size: 0.95rem;
  color: var(--color-primary);
  opacity: 0.85;
}

.insight-card {
  text-align: center;
  padding: 1.5rem;
}

.insight-card blockquote {
  font-style: italic;
  margin-bottom: 0.75rem;
  color: var(--color-primary);
  opacity: 0.9;
}

.insight-card cite {
  font-size: 0.85rem;
  font-style: normal;
  opacity: 0.7;
}

.legal-page main {
  padding: calc(var(--header-height) + 2rem) 0 4rem;
}

.legal-page h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 1rem;
}

.legal-page h2 {
  font-size: 1.25rem;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

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

.legal-page ul {
  padding-left: 1.5rem;
}

.thank-you main {
  padding: calc(var(--header-height) + 4rem) 0 4rem;
  text-align: center;
}

.thank-you h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 1rem;
}

.thank-you p {
  max-width: 480px;
  margin: 0 auto 1.5rem;
  color: var(--color-primary);
  opacity: 0.9;
}

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

  .burger-btn {
    display: flex;
  }

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

  .hero-content h1,
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }

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

  .hero-rating,
  .hero-price-wrap {
    justify-content: center;
  }

  .hero-product-img {
    display: block;
    margin: 0 auto 1.5rem;
    max-width: 220px;
  }

  .hero-bg img {
    display: none;
  }

  .order-form {
    max-width: 100%;
  }
}

@media (max-width: 640px) {
  section {
    padding: 3rem 0;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }
}

.section-animate {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.section-animate.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.card-animate {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.card-animate.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes magnetic-assembly {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.animate-in {
  animation: magnetic-assembly 0.6s ease forwards;
}