:root {
  --blue: #087ee8;
  --ink: #05070a;
  --panel: #0b1017;
  --text: #f7f9fc;
  --muted: #aab4c2;
  --line: #202d3d;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background:
    radial-gradient(circle at 22% 30%, #063866 0, transparent 32%), var(--ink);
  background-attachment: fixed;
  color: var(--text);
  font:
    16px/1.6 Arial,
    Helvetica,
    sans-serif;
}
a {
  color: inherit;
  text-decoration: none;
}
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 12px 16px;
  background: #fff;
  color: #05070a;
  font-weight: 700;
  border-radius: 4px;
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }
.wrap {
  width: min(1180px, 92%);
  margin: auto;
}
header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid #1b2634;
  background: #05070ae8;
  backdrop-filter: blur(12px);
}
.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}
.logo span,
.eyebrow,
.links a {
  color: var(--blue);
}
.back {
  font-weight: 700;
  color: #66b7ff;
  padding: 10px 14px;
  border: 1px solid #23415f;
  border-radius: 4px;
}
.back:hover {
  border-color: var(--blue);
  background: #0b1b2d;
}
main {
  padding: 76px 0 100px;
}
.product {
  display: grid;
  grid-template-columns: minmax(300px, 0.92fr) 1.08fr;
  gap: 64px;
  align-items: center;
}
.image-panel {
  position: relative;
  min-height: 590px;
  display: grid;
  place-items: center;
  padding: 30px;
  background: linear-gradient(145deg, #111a27, #080c12);
  border: 1px solid #203247;
  border-radius: 8px;
  box-shadow: 0 25px 80px #000;
}
.image-panel:before {
  content: "";
  position: absolute;
  inset: 12%;
  background: #087ee829;
  filter: blur(55px);
  border-radius: 50%;
}
.image-panel picture {
  position: relative;
  display: block;
  width: 100%;
}
.image-panel img {
  position: relative;
  width: 100%;
  height: 520px;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 26px 24px #000);
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-weight: 700;
  font-size: 0.78rem;
  color: #58aaf4;
}
h1 {
  font-size: clamp(2.7rem, 5.4vw, 5.15rem);
  line-height: 0.98;
  margin: 16px 0 22px;
  letter-spacing: -0.045em;
}
h2 {
  font-size: 1.35rem;
  margin: 32px 0 10px;
}
.lead,
p,
li {
  color: #c5cfda;
}
.lead {
  font-size: 1.15rem;
  max-width: 630px;
}
.status,
.disclaimer {
  padding: 20px;
  border: 1px solid #1d3c5e;
  background: linear-gradient(135deg, #0b1b2d, #07111d);
  margin: 26px 0;
  border-radius: 7px;
}
.status strong,
.disclaimer strong {
  color: #fff;
}
.specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 26px 0;
}
.spec {
  padding: 17px;
  border: 1px solid var(--line);
  background: linear-gradient(145deg, #101722, #090d13);
  border-radius: 6px;
}
.spec small {
  display: block;
  color: #8190a2;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 5px;
}
.tiers {
  display: grid;
  gap: 0;
  border-block: 1px solid #243142;
}
.tier {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 4px;
  border-bottom: 1px solid #243142;
}
.tier:last-child {
  border: 0;
}
.tier.featured {
  color: #66b7ff;
}
.tier strong {
  white-space: nowrap;
}
.links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin-top: 30px;
}
.links a {
  color: #66b7ff;
  text-decoration: underline;
  text-underline-offset: 4px;
}
footer {
  border-top: 1px solid #182230;
  padding: 38px 0 50px;
  color: #91a0b0;
  text-align: center;
  background: #05070ad9;
}
.footlinks {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 18px;
  margin-bottom: 20px;
}
.footlinks a {
  color: #66b7ff;
}
@media (max-width: 800px) {
  main {
    padding: 46px 0 72px;
  }
  .product {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .image-panel {
    min-height: 390px;
    padding: 20px;
  }
  .image-panel img {
    height: 360px;
  }
  .specs {
    grid-template-columns: 1fr;
  }
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 0;
  }
  .back {
    padding: 7px 11px;
  }
  h1 {
    font-size: 2.75rem;
  }
}
a:focus-visible { outline: 3px solid #66b7ff; outline-offset: 3px; }
.back { min-height: 44px; display: inline-flex; align-items: center; }
button, a, summary { touch-action: manipulation; }
@media (max-width: 480px) {
  .wrap { width: min(100% - 32px, 1180px); }
  .image-panel { min-height: 320px; }
  .image-panel img { height: 290px; }
  h1 { font-size: 2.35rem; }
  .tier { align-items: flex-start; }
  .tier span { max-width: 72%; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }