:root {
  color-scheme: dark;
  --bg: #061329;
  --bg-deep: #040d1e;
  --surface: rgba(14, 34, 68, .72);
  --surface-strong: #0d2348;
  --text: #f7f9ff;
  --muted: #9aabc8;
  --line: rgba(177, 199, 236, .14);
  --blue: #408cff;
  --yellow: #ffd84d;
  --max: 1160px;
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 70% 8%, rgba(34, 94, 192, .18), transparent 32rem),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-deep) 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: .75rem 1rem; color: #07152f; background: var(--yellow); border-radius: 8px; }
.skip-link:focus { top: 1rem; }

.site-header { position: relative; z-index: 10; border-bottom: 1px solid var(--line); }
.nav-shell { width: min(calc(100% - 48px), var(--max)); min-height: 84px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .7rem; font-size: 1.22rem; font-weight: 750; letter-spacing: -.04em; }
.brand img { display: block; }
.brand-dot { color: var(--yellow); }
nav { display: flex; align-items: center; gap: 2rem; }
nav a { color: var(--muted); font-size: .9rem; font-weight: 600; transition: color .2s ease, border-color .2s ease, background-color .2s ease; }
nav a:hover, nav a:focus-visible { color: var(--text); }
.nav-cta { padding: .7rem 1rem; color: var(--text); border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.025); }
.nav-cta:hover { border-color: rgba(255, 216, 77, .45); background: rgba(255, 216, 77, .06); }

.hero { width: min(calc(100% - 48px), var(--max)); min-height: 650px; margin: auto; padding: 7.5rem 0 8rem; display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 4rem; position: relative; }
.hero-glow { position: absolute; width: min(38rem, 100%); aspect-ratio: 1; right: 0; top: 1rem; border-radius: 50%; background: rgba(38, 105, 228, .08); filter: blur(20px); pointer-events: none; }
.hero-copy { position: relative; z-index: 2; }
.eyebrow, .kicker { margin: 0 0 1.35rem; color: var(--yellow); font-size: .75rem; font-weight: 750; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: .7rem; }
.eyebrow span { width: 24px; height: 1px; background: var(--yellow); }
h1 { max-width: 760px; margin: 0; font-size: clamp(3.55rem, 7vw, 6.75rem); line-height: .96; letter-spacing: -.065em; font-weight: 720; }
h1 em { color: var(--yellow); font-style: normal; }
.hero-lede { max-width: 630px; margin: 2rem 0 2.25rem; color: var(--muted); font-size: clamp(1rem, 1.5vw, 1.18rem); line-height: 1.75; }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; gap: .9rem; padding: .8rem 1.2rem; border-radius: 12px; font-size: .92rem; font-weight: 750; }
.button-primary { color: #0b1730; background: var(--yellow); box-shadow: 0 12px 32px rgba(255, 216, 77, .12); }
.button-primary:hover { background: #ffe275; }

.brand-orbit { width: min(34vw, 390px); aspect-ratio: 1; justify-self: end; position: relative; }
.orbit { position: absolute; inset: 8%; border: 1px solid rgba(114, 163, 242, .18); border-radius: 50%; }
.orbit-two { inset: 26%; border-color: rgba(255, 216, 77, .18); }
.orbit::before, .orbit::after { content: ""; position: absolute; inset: 50% 0 auto; height: 1px; background: rgba(114, 163, 242, .1); }
.orbit::after { transform: rotate(90deg); }
.orbit-core { position: absolute; inset: 34%; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.08); border-radius: 28px; background: linear-gradient(145deg, rgba(28, 68, 127, .75), rgba(8, 25, 52, .9)); box-shadow: 0 30px 80px rgba(0,0,0,.28); transform: rotate(-4deg); }
.orbit-core img { width: 52%; height: auto; transform: rotate(4deg); }
.signal { position: absolute; width: 8px; height: 8px; border-radius: 50%; background: var(--yellow); box-shadow: 0 0 20px rgba(255,216,77,.7); }
.signal-one { left: 10%; top: 47%; }
.signal-two { right: 20%; top: 15%; background: var(--blue); box-shadow: 0 0 20px rgba(64,140,255,.7); }
.signal-three { right: 9%; bottom: 29%; width: 5px; height: 5px; }

.section { width: min(calc(100% - 48px), var(--max)); margin: auto; padding: 7rem 0; border-top: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: .75fr 1fr; align-items: end; column-gap: 3rem; margin-bottom: 3rem; }
.section-heading .kicker { grid-column: 1 / -1; }
h2 { margin: 0; font-size: clamp(2.25rem, 4vw, 3.65rem); line-height: 1; letter-spacing: -.055em; }
.section-heading > p:last-child { max-width: 500px; margin: 0; color: var(--muted); line-height: 1.7; }
.product-card { min-height: 280px; display: grid; grid-template-columns: 1fr 1fr auto; align-items: center; gap: 3rem; padding: clamp(1.5rem, 4vw, 3.3rem); border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(120deg, rgba(17, 43, 83, .92), rgba(9, 27, 56, .72)); box-shadow: inset 0 1px rgba(255,255,255,.035), 0 30px 80px rgba(0,0,0,.14); }
.product-identity { display: flex; align-items: center; gap: 1.2rem; }
.product-mark { width: 62px; height: 62px; flex: 0 0 62px; display: block; object-fit: contain; border-radius: 16px; box-shadow: 0 10px 30px rgba(0,0,0,.2); }
.product-category { margin: 0 0 .55rem; color: var(--yellow); font-size: .73rem; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
h3 { margin: 0; font-size: clamp(1.35rem, 2.5vw, 2rem); letter-spacing: -.04em; }
.product-description { max-width: 430px; margin: 0; color: var(--muted); line-height: 1.7; }
.button-secondary { border: 1px solid rgba(255,255,255,.16); background: rgba(255,255,255,.035); white-space: nowrap; }
.button-secondary:hover { border-color: var(--yellow); color: var(--yellow); }

.about { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 5rem; }
.about h2 span { color: var(--yellow); }
.about-copy { margin: 0; color: var(--muted); font-size: clamp(1.1rem, 2vw, 1.4rem); line-height: 1.75; }
footer { border-top: 1px solid var(--line); }
.footer-inner { width: min(calc(100% - 48px), var(--max)); min-height: 150px; margin: auto; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 3rem; }
.footer-inner nav { gap: 1.5rem; }
.footer-inner > p { justify-self: end; margin: 0; color: #647694; font-size: .8rem; }

@media (max-width: 850px) {
  .hero { min-height: auto; padding: 6rem 0; grid-template-columns: 1fr; }
  .brand-orbit { display: none; }
  .product-card { grid-template-columns: 1fr; gap: 1.8rem; }
  .product-description { max-width: 600px; }
  .button-secondary { justify-self: start; }
  .footer-inner { grid-template-columns: 1fr auto; }
  .footer-inner > p { grid-column: 1 / -1; justify-self: start; margin-top: -1.5rem; }
}

@media (max-width: 620px) {
  .nav-shell, .hero, .section, .footer-inner { width: min(calc(100% - 32px), var(--max)); }
  .nav-shell { min-height: 72px; align-items: flex-start; padding: 1rem 0; }
  .brand { flex: 0 0 auto; }
  .site-header nav { gap: .9rem; flex-wrap: wrap; justify-content: flex-end; }
  .site-header nav a { font-size: .8rem; }
  .site-header nav a:not(.nav-cta) { display: none; }
  .nav-cta { padding: .55rem .8rem; }
  .hero { padding: 5.5rem 0 6.25rem; }
  h1 { font-size: clamp(3.25rem, 16vw, 4.7rem); }
  .section { padding: 5rem 0; }
  .section-heading, .about { grid-template-columns: 1fr; gap: 1.4rem; }
  .section-heading { margin-bottom: 2.2rem; }
  .product-card { padding: 1.35rem; border-radius: 20px; }
  .product-identity { align-items: flex-start; }
  .product-mark { width: 52px; height: 52px; flex-basis: 52px; border-radius: 13px; }
  .button { width: 100%; }
  .footer-inner { padding: 2.5rem 0; grid-template-columns: 1fr; gap: 1.6rem; }
  .footer-inner > p { grid-column: auto; margin: 0; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }