*, *::before, *::after { box-sizing: border-box; }
html { min-width: 320px; }
body { margin: 0; }
img { display: block; max-width: 100%; height: auto; }

:root {
  --color-primary: #a855f7;
  --color-primary-hover: #9333ea;
  --color-accent: #14b8a6;
  --color-text: #0f0f0f;
  --color-muted: #5f6673;
  --color-bg: #fafafa;
  --color-panel: #ffffff;
  --color-soft: #f6f3ff;
  --color-border: #e5e7eb;
  --shadow-card: 0 4px 12px rgba(31, 41, 55, 0.08);
  --radius-card: 8px;
  --radius-btn: 8px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

body {
  min-width: 320px;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--color-text);
  background: var(--color-bg);
  font-family: var(--font);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main {
  width: min(100%, 1120px);
  overflow-x: clip;
  margin: 0 auto;
  padding: 0 16px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: center;
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
}

.logo {
  display: inline-flex;
  align-items: center;
  color: var(--color-primary);
  text-decoration: none;
}

.logo img { width: 160px; height: auto; }

.hero {
  max-width: 760px;
  margin: 0 auto;
  padding: 52px 0 28px;
  text-align: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--color-accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0 0 16px;
  color: var(--color-primary);
  font-size: clamp(34px, 9vw, 58px);
  line-height: 1.02;
  letter-spacing: 0;
}

.lead {
  max-width: min(100%, 620px);
  margin: 0 auto;
  color: var(--color-muted);
  font-size: 16px;
}

.lead strong { color: var(--color-primary); }

.products {
  display: grid;
  gap: 20px;
  padding: 24px 0;
}

.product-card {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.product-card h2 {
  margin: 0 0 14px;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: 0;
}

model-viewer {
  width: 100%;
  height: 360px;
  overflow: hidden;
  border: 1px solid #eceff3;
  border-radius: 8px;
  background: #f3f4f6;
  --poster-color: transparent;
}

.product-desc {
  margin: 14px 0 0;
  color: var(--color-muted);
  font-size: 15px;
}

.ar-button {
  position: absolute;
  bottom: 16px;
  left: 50%;
  min-width: 176px;
  max-width: calc(100% - 32px);
  transform: translateX(-50%);
  padding: 12px 18px;
  border: 0;
  border-radius: 999px;
  background: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 8px 22px rgba(168, 85, 247, 0.28);
  cursor: pointer;
  font: 700 15px/1 var(--font);
  white-space: nowrap;
  transition: background 0.16s ease, transform 0.16s ease, box-shadow 0.16s ease;
}

.ar-button:hover {
  background: var(--color-primary-hover);
  transform: translateX(-50%) translateY(-2px);
  box-shadow: 0 10px 26px rgba(168, 85, 247, 0.35);
}

.ar-button:active { transform: translateX(-50%) translateY(0); }


.coming-soon { padding: 26px 0; }

.cs-card {
  padding: 24px;
  border: 1px dashed rgba(168, 85, 247, 0.8);
  border-radius: var(--radius-card);
  background: linear-gradient(135deg, #fbf7ff, #effdfa);
  text-align: center;
}

.badge {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--color-primary);
  color: #ffffff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.cs-card h2 {
  margin: 12px 0;
  font-size: 24px;
  line-height: 1.2;
}

.cs-card p {
  max-width: 640px;
  margin: 0 auto 8px;
  color: var(--color-muted);
}

.cs-note { font-size: 14px; }

.cta {
  margin: 30px 0 4px;
  padding: 34px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-panel);
  text-align: center;
}

.cta h2 {
  margin: 0 0 10px;
  font-size: 26px;
  line-height: 1.2;
}

.cta p {
  margin: 0 0 22px;
  color: var(--color-muted);
}

.cta-buttons {
  display: grid;
  gap: 10px;
  width: min(100%, 340px);
  margin: 0 auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border-radius: var(--radius-btn);
  color: inherit;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.16s ease, color 0.16s ease, transform 0.16s ease;
}

.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--color-primary); color: #ffffff; }
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-secondary { border: 2px solid var(--color-primary); background: #ffffff; color: var(--color-primary); }
.btn-secondary:hover { background: var(--color-soft); }
.btn-tertiary { color: var(--color-muted); }
.btn-tertiary:hover { color: var(--color-text); background: #f3f4f6; }

.site-footer {
  margin-top: 34px;
  padding: 28px 16px 34px;
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 14px;
  text-align: center;
}

.site-footer p { margin: 0 0 8px; }
.site-footer a { color: var(--color-primary); text-decoration: none; }
.footer-tech, .asset-credit { font-size: 12px; opacity: 0.78; }
.site-footer code { padding: 2px 6px; border-radius: 4px; background: var(--color-border); }

@media (min-width: 768px) {
  main { padding: 0 24px; }
  .hero { padding-top: 70px; }
  .products { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
  .product-card { padding: 20px; }
  model-viewer { height: 420px; }
  .cta-buttons { grid-template-columns: repeat(3, auto); justify-content: center; width: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

.ar-message {
  min-height: 20px;
  margin: 10px 0 0;
  color: var(--color-muted);
  font-size: 13px;
  text-align: center;
}