:root {
  --ink: #f4f5f7;
  --ink-dark: #16181d;
  --muted: #a9adb7;
  --muted-dark: #666b75;
  --bg: #111317;
  --bg-deep: #0b0c0f;
  --panel: #191c22;
  --line: rgba(255, 255, 255, 0.12);
  --line-dark: rgba(17, 19, 23, 0.14);
  --accent: #9fb9ff;
  --accent-bright: #c8d5ff;
  --paper: #f1f0ec;
  --max: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 20;
  padding: 10px 14px;
  border-radius: 6px;
  background: #fff;
  color: #111;
  transform: translateY(-150%);
}

.skip-link:focus { transform: translateY(0); }

.shell {
  width: min(var(--max), calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 680;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.brand-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 9px;
  background: linear-gradient(145deg, #2d323c, #17191e);
  color: var(--accent-bright);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: -0.06em;
  box-shadow: inset 0 1px rgba(255,255,255,.1);
}

nav {
  display: flex;
  align-items: center;
  gap: 34px;
}

nav a {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
}

nav a:hover, nav a:focus-visible { color: var(--ink); }

.nav-contact {
  padding: 9px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.hero {
  min-height: 690px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(380px, .9fr);
  align-items: center;
  gap: 70px;
  padding-block: 88px 106px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 0.73rem;
  font-weight: 760;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1, h2, h3, p { margin-top: 0; }

h1, h2, h3 {
  font-weight: 610;
  letter-spacing: -0.045em;
  line-height: 1.05;
}

h1 {
  max-width: 800px;
  margin-bottom: 28px;
  font-size: clamp(3.15rem, 6.2vw, 6.2rem);
}

h1 span { color: #777d88; }

.hero-lede {
  max-width: 585px;
  margin-bottom: 34px;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.7vw, 1.25rem);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 12px 22px;
  border-radius: 8px;
  font-size: 0.91rem;
  font-weight: 720;
  text-decoration: none;
  transition: transform .16s ease, background-color .16s ease;
}

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

.button-primary { background: var(--accent-bright); color: #11141a; }
.button-primary:hover { background: #d9e1ff; }
.button-light { background: var(--ink-dark); color: white; }

.text-link {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
  text-underline-offset: 4px;
}

.hero-art {
  position: relative;
  min-height: 470px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: radial-gradient(circle at 52% 44%, #262b36 0, #171a20 42%, #0d0f12 76%);
  box-shadow: 0 30px 90px rgba(0,0,0,.35);
}

.grid {
  position: absolute;
  inset: 0;
  opacity: .45;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at center, black, transparent 73%);
}

.orb {
  position: absolute;
  width: 180px;
  aspect-ratio: 1;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(200, 213, 255, .5);
  border-radius: 50%;
  background: radial-gradient(circle at 34% 28%, #e4eaff 0, #9fb9ff 15%, #596b99 40%, #181b22 71%);
  box-shadow: 0 0 0 28px rgba(159,185,255,.035), 0 0 0 60px rgba(159,185,255,.025), 0 30px 70px rgba(0,0,0,.55);
  transform: translate(-50%, -50%);
}

.signal-card {
  position: absolute;
  z-index: 2;
  min-width: 180px;
  padding: 16px 18px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 12px;
  background: rgba(27,31,39,.82);
  box-shadow: 0 14px 40px rgba(0,0,0,.32);
  backdrop-filter: blur(12px);
}

.signal-card-top { top: 52px; right: 32px; }
.signal-card-bottom { bottom: 48px; left: 28px; }
.signal-card span { display: block; }
.signal-label { color: var(--accent); font-size: .63rem; font-weight: 800; letter-spacing: .18em; }
.signal-value { margin-top: 4px; font-size: .88rem; font-weight: 650; }

.product-section {
  padding-block: 112px;
  background: var(--paper);
  color: var(--ink-dark);
}

.section-heading { max-width: 760px; margin-bottom: 50px; }
.section-heading .eyebrow { color: #50658f; }
.section-heading h2 { margin-bottom: 0; font-size: clamp(2.6rem, 5vw, 5rem); }

.product-card {
  display: grid;
  grid-template-columns: .78fr 1.22fr;
  gap: 70px;
  min-height: 430px;
  padding: 58px;
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 24px 80px rgba(30,33,40,.09);
}

.product-identity {
  display: flex;
  align-items: flex-start;
  gap: 24px;
}

.product-identity img { border-radius: 23px; box-shadow: 0 18px 38px rgba(19,26,43,.2); }
.product-kicker { margin: 10px 0 5px; color: var(--muted-dark); font-size: .72rem; font-weight: 760; letter-spacing: .13em; text-transform: uppercase; }
.product-identity h3 { font-size: 2.1rem; }
.product-copy { max-width: 640px; }
.product-copy > p { color: #4f545f; font-size: 1.12rem; line-height: 1.65; }

.facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin: 34px 0;
  padding: 0;
  list-style: none;
  border-block: 1px solid var(--line-dark);
}

.facts li { padding: 23px 22px 23px 0; }
.facts li + li { padding-left: 22px; border-left: 1px solid var(--line-dark); }
.facts strong, .facts span { display: block; }
.facts strong { font-size: 1.45rem; letter-spacing: -.03em; }
.facts span { color: var(--muted-dark); font-size: .78rem; }

.company-section {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 100px;
  padding-block: 120px;
}

.section-heading.compact h2 { color: var(--ink); font-size: clamp(2.5rem, 4.5vw, 4.4rem); }
.company-copy { color: var(--muted); font-size: 1.08rem; }
.company-copy > p { max-width: 630px; }
.company-details { margin: 46px 0 0; }
.company-details div { display: grid; grid-template-columns: 140px 1fr; padding: 16px 0; border-top: 1px solid var(--line); }
.company-details dt { color: #7f8490; font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.company-details dd { margin: 0; color: var(--ink); font-size: .92rem; }

.contact-section { padding-block: 96px; border-top: 1px solid var(--line); background: var(--panel); }
.contact-inner { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; align-items: center; }
.contact-inner h2 { margin: 0; font-size: clamp(3rem, 5vw, 5.4rem); }
.contact-copy { max-width: 580px; color: var(--muted); }
.contact-copy p { margin-bottom: 28px; }

.site-footer { padding-block: 58px 40px; background: var(--bg-deep); color: #777c86; font-size: .82rem; }
.footer-inner { display: grid; grid-template-columns: 1.2fr .8fr; gap: 42px; }
.footer-brand { margin-bottom: 18px; }
.footer-links { display: flex; justify-content: flex-end; align-items: flex-start; gap: 24px; flex-wrap: wrap; }
.footer-links a { color: #9a9faa; text-underline-offset: 4px; }
.copyright { grid-column: 1 / -1; margin: 26px 0 0; padding-top: 24px; border-top: 1px solid var(--line); }

:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }

@media (max-width: 900px) {
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 58px; padding-block: 76px; }
  .hero-art { min-height: 420px; }
  .product-card { grid-template-columns: 1fr; gap: 42px; padding: 42px; }
  .company-section, .contact-inner { grid-template-columns: 1fr; gap: 34px; }
  .company-section { padding-block: 92px; }
}

@media (max-width: 640px) {
  .shell { width: min(var(--max), calc(100% - 32px)); }
  .nav-wrap { min-height: 72px; }
  nav a:not(.nav-contact) { display: none; }
  h1 { font-size: clamp(2.75rem, 15vw, 4.1rem); }
  .hero { padding-block: 62px; }
  .hero-art { min-height: 350px; }
  .orb { width: 145px; }
  .signal-card { min-width: 150px; padding: 13px 14px; }
  .signal-card-top { top: 34px; right: 18px; }
  .signal-card-bottom { bottom: 34px; left: 16px; }
  .product-section { padding-block: 78px; }
  .section-heading { margin-bottom: 34px; }
  .product-card { padding: 28px 22px; }
  .product-identity { gap: 18px; }
  .product-identity img { width: 78px; height: 78px; border-radius: 18px; }
  .product-identity h3 { font-size: 1.7rem; }
  .facts { grid-template-columns: 1fr; }
  .facts li { padding: 16px 0; }
  .facts li + li { padding-left: 0; border-left: 0; border-top: 1px solid var(--line-dark); }
  .company-details div { grid-template-columns: 1fr; gap: 4px; }
  .contact-section { padding-block: 72px; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}