:root {
  --bg: #0f1b24;
  --bg-2: #0c141c;
  --surface: rgba(17, 30, 41, 0.9);
  --surface-2: rgba(255, 255, 255, 0.06);
  --ink: #f6f7f9;
  --muted: #c7d0d8;
  --accent: #ff9c00;
  --accent-2: #0daeb9;
  --accent-3: #e0664f;
  --stroke: rgba(255, 255, 255, 0.1);
  --shadow: 0 20px 60px rgba(5, 10, 16, 0.35);
  --radius: 22px;
  --max: 1200px;
}

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

body {
  margin: 0;
  font-family: "Outfit", system-ui, sans-serif;
  background: radial-gradient(1200px 800px at 20% -10%, rgba(13, 174, 185, 0.25), transparent 60%),
              radial-gradient(800px 600px at 90% 10%, rgba(255, 156, 0, 0.18), transparent 55%),
              linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  color: var(--ink);
}

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

a {
  color: inherit;
  text-decoration: none;
}

.page {
  min-height: 100vh;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(12, 20, 28, 0.6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo img {
  height: 40px;
}

.nav-links {
  display: flex;
  gap: 18px;
  font-weight: 500;
  color: var(--muted);
}

.nav-links a:hover {
  color: var(--ink);
}

main {
  overflow: hidden;
}

section {
  padding: 80px 24px;
}

.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 90px 24px 40px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 50px;
  align-items: center;
}

.eyebrow {
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  margin: 0 0 18px;
}

h1,
h2,
h3 {
  font-family: "Space Grotesk", "Outfit", sans-serif;
  margin: 0 0 16px;
}

h1 {
  font-size: clamp(2.6rem, 4vw, 4.2rem);
  line-height: 1.02;
}

.lead {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 520px;
}

.cta-row {
  margin-top: 24px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.btn.small {
  padding: 10px 18px;
  font-size: 0.9rem;
}

.btn.primary {
  background: var(--accent);
  color: #151515;
  box-shadow: 0 12px 25px rgba(255, 156, 0, 0.25);
}

.btn.primary:hover {
  transform: translateY(-2px);
}

.btn.ghost {
  border-color: var(--stroke);
  color: var(--ink);
  background: transparent;
}

.btn.ghost:hover {
  border-color: rgba(255, 255, 255, 0.3);
}

.hero-stats {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill {
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--surface-2);
  font-size: 0.9rem;
  color: var(--muted);
}

.hero-media {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.model-card {
  background: radial-gradient(circle at top, rgba(255, 255, 255, 0.1), transparent 55%),
    rgba(8, 13, 18, 0.8);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

model-viewer {
  width: 100%;
  height: 420px;
}

.model-caption {
  font-size: 0.9rem;
  color: var(--muted);
  text-align: center;
}

.section {
  max-width: var(--max);
  margin: 0 auto;
}

.section-header {
  max-width: 760px;
  margin-bottom: 36px;
}

.section-header p {
  color: var(--muted);
  font-size: 1.05rem;
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
  align-items: center;
}

.how-text p {
  color: var(--muted);
  font-size: 1.05rem;
}

.how-text .highlight {
  border-left: 3px solid var(--accent-2);
  padding-left: 16px;
  margin-top: 16px;
}

.steps {
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.step-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: rgba(13, 174, 185, 0.2);
  color: var(--accent-2);
  font-weight: 700;
  letter-spacing: 0.05em;
  border: 1px solid rgba(13, 174, 185, 0.45);
  margin-bottom: 12px;
}

.step-card p {
  color: var(--muted);
}

.how-video video {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.benefits {
  padding-top: 40px;
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}

.card h3 {
  margin-top: 16px;
}

.card p {
  color: var(--muted);
}

.demo-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
  align-items: center;
}

.demo-frame {
  background: rgba(7, 10, 14, 0.8);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow);
  overflow: hidden;
  aspect-ratio: 9 / 16;
}

.demo-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 16px 0 24px;
  color: var(--muted);
}

.feature-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 12px;
}

.feature-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--accent-2);
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0 24px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
  align-items: center;
}

.product-model {
  background: rgba(7, 10, 14, 0.7);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}

.variant-controls {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.variant-controls button {
  border-radius: 999px;
  border: 1px solid var(--stroke);
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--ink);
  cursor: pointer;
  font-weight: 600;
  transition: all 0.2s ease;
}

.variant-controls button.active {
  background: var(--accent);
  color: #151515;
  border-color: transparent;
}

.specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 18px 0 28px;
}

.spec {
  background: var(--surface-2);
  border-radius: 14px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.95rem;
  color: var(--muted);
}

.spec strong {
  color: var(--ink);
}

.product-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.gallery {
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.gallery img {
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}

.faq-grid {
  columns: 3 280px;
  column-gap: 18px;
}

.faq-item {
  break-inside: avoid;
  background: var(--surface);
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 16px 18px;
  margin-bottom: 16px;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
}

.faq-item p {
  color: var(--muted);
  margin: 12px 0 0;
}

.contact-card {
  background: linear-gradient(130deg, rgba(255, 156, 0, 0.15), rgba(13, 174, 185, 0.2));
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow);
  text-align: center;
}

.contact-actions {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.socials {
  margin-top: 18px;
  display: flex;
  gap: 18px;
  justify-content: center;
  flex-wrap: wrap;
  color: var(--muted);
}

.site-footer {
  padding: 40px 24px 60px;
  text-align: center;
  color: var(--muted);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1024px) {
  .hero,
  .how-grid,
  .demo-grid,
  .product-grid {
    grid-template-columns: 1fr;
  }

  .benefit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  model-viewer {
    height: 360px;
  }
}

@media (max-width: 720px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links {
    flex-wrap: wrap;
  }

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

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

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

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

  .hero {
    padding-top: 60px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}