:root {
  color-scheme: dark;
  --ink: #f0f5ee;
  --muted: #96a39c;
  --night: #07110f;
  --night-soft: #0c1916;
  --acid: #c7ff45;
  --mint: #75e8b0;
  --line: rgba(240, 245, 238, 0.16);
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --serif: Iowan Old Style, Baskerville, "Times New Roman", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--night); color: var(--ink); font: 400 1rem/1.6 var(--sans); }
a { color: inherit; }
.skip-link { position: fixed; left: 1rem; top: -4rem; z-index: 100; padding: .7rem 1rem; background: var(--acid); color: #07110f; border-radius: 99px; }
.skip-link:focus { top: 1rem; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.site-header, .site-footer { width: min(1360px, calc(100% - 3rem)); margin-inline: auto; display: flex; align-items: center; justify-content: space-between; }
.site-header { min-height: 6.25rem; position: relative; z-index: 20; }
.brand { display: inline-flex; align-items: center; gap: .72rem; text-decoration: none; font-size: 1.12rem; font-weight: 720; letter-spacing: -.02em; }
.brand-mark { width: 2rem; height: 2rem; fill: var(--acid); }
.brand-mark .mark-cut { fill: var(--night); }
.site-nav { display: flex; gap: 2rem; align-items: center; }
.site-nav a, .site-footer nav a { color: var(--muted); font-size: .9rem; text-decoration: none; transition: color 180ms ease; }
.site-nav a:hover, .site-nav a:focus-visible, .site-footer nav a:hover, .site-footer nav a:focus-visible { color: var(--ink); }
.menu-button { display: none; background: transparent; border: 0; padding: .6rem; }
.menu-button span:not(.sr-only) { display: block; width: 1.5rem; height: 1px; margin: .35rem; background: var(--ink); }

.hero { width: min(1360px, calc(100% - 3rem)); min-height: calc(100svh - 6.25rem); margin: 0 auto; display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 5vw; padding: 5rem 0 8rem; }
.eyebrow { margin: 0 0 1.8rem; color: var(--acid); font-size: .72rem; font-weight: 750; letter-spacing: .18em; text-transform: uppercase; }
.hero h1 { max-width: 850px; margin: 0; font-size: clamp(4rem, 8.5vw, 8.4rem); line-height: .87; letter-spacing: -.072em; font-weight: 760; }
.hero h1 span { color: var(--acid); font-family: var(--serif); font-style: italic; font-weight: 400; letter-spacing: -.06em; }
.hero-intro { max-width: 40rem; margin: 2.5rem 0; color: var(--muted); font-size: clamp(1.05rem, 1.5vw, 1.3rem); }
.hero-actions { display: flex; align-items: center; gap: 2rem; flex-wrap: wrap; }
.button { min-height: 3.35rem; padding: .85rem 1.2rem; display: inline-flex; justify-content: center; align-items: center; gap: 2rem; border-radius: .25rem; text-decoration: none; font-size: .88rem; font-weight: 700; }
.button-primary { background: var(--acid); color: #07110f; }
.button-light { background: var(--ink); color: var(--night); }
.text-link { color: var(--muted); text-underline-offset: .35rem; font-size: .9rem; }
.hero-art { aspect-ratio: 1; position: relative; display: grid; place-items: center; overflow: hidden; border: 1px solid var(--line); border-radius: 50%; background: radial-gradient(circle, rgba(117,232,176,.13), transparent 48%), #091512; }
.hero-art::before { content: ""; position: absolute; inset: 8%; border: 1px solid var(--line); border-radius: 50%; }
.hero-art::after { content: ""; position: absolute; left: 50%; top: 0; height: 100%; width: 1px; background: var(--line); }
.hero-art p { position: absolute; bottom: 12%; left: 12%; margin: 0; color: var(--muted); font-size: .66rem; letter-spacing: .14em; }
.core { z-index: 2; width: 31%; aspect-ratio: 1; display: grid; place-items: center; border-radius: 50%; color: var(--night); background: var(--acid); box-shadow: 0 0 80px rgba(199,255,69,.2); }
.core span { font: italic 400 clamp(3rem, 6vw, 6rem)/1 var(--serif); }
.orbit { position: absolute; border: 1px solid rgba(199,255,69,.32); border-radius: 50%; transform: rotate(-24deg); }
.orbit-one { width: 70%; height: 35%; }
.orbit-two { width: 90%; height: 56%; transform: rotate(42deg); }
.signal { position: absolute; width: .65rem; aspect-ratio: 1; border-radius: 50%; background: var(--mint); box-shadow: 0 0 22px var(--mint); animation: pulse 3s infinite; }
.signal-one { top: 22%; right: 20%; }
.signal-two { bottom: 24%; left: 19%; animation-delay: -1.4s; }
@keyframes pulse { 50% { opacity: .25; transform: scale(.65); } }

.section-shell { width: min(1360px, calc(100% - 3rem)); margin: 0 auto; padding: 8rem 0; border-top: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: .45fr 1.55fr; margin-bottom: 4rem; }
.section-heading h2 { max-width: 850px; margin: 0; font-size: clamp(2.8rem, 6vw, 6.2rem); line-height: .97; letter-spacing: -.055em; }
.product-card { position: relative; min-height: 34rem; padding: 3rem; display: grid; grid-template-columns: .22fr 1fr .7fr; gap: 2rem; overflow: hidden; background: var(--acid); color: var(--night); border-radius: .35rem; }
.product-number { font: italic 400 1.1rem/1 var(--serif); }
.product-copy { z-index: 2; align-self: end; max-width: 42rem; }
.product-meta { display: flex; gap: .7rem; margin-bottom: 1.2rem; font-size: .7rem; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.product-meta span { padding: .35rem .55rem; border: 1px solid rgba(7,17,15,.3); border-radius: 99px; }
.product-copy h3 { margin: 0; font-size: clamp(3.5rem, 7vw, 7rem); line-height: .9; letter-spacing: -.06em; }
.product-copy p { max-width: 38rem; margin: 1.5rem 0; font-size: 1.08rem; }
.coming-soon { display: inline-block; padding-bottom: .2rem; border-bottom: 1px solid; font-size: .82rem; font-weight: 700; }
.product-glyph { position: relative; display: flex; justify-content: center; align-items: center; }
.card-mini { position: absolute; width: 11rem; height: 15rem; padding: 1rem; background: var(--night); color: var(--ink); border-radius: .65rem; font: 500 1.3rem/1 var(--serif); transform: rotate(-9deg); box-shadow: 0 30px 70px rgba(7,17,15,.24); }
.card-mini-offset { background: var(--ink); color: var(--night); transform: translate(3.7rem, 1rem) rotate(10deg); }
.next-product { padding: 2rem 0; display: grid; grid-template-columns: .22fr 1fr; border-bottom: 1px solid var(--line); color: var(--muted); }
.next-product p { margin: 0; }

.principles { display: grid; grid-template-columns: .7fr 1.3fr; gap: 5rem; }
.principles .section-heading { display: block; }
.principle-grid article { display: grid; grid-template-columns: .18fr .45fr 1fr; gap: 1rem; padding: 2rem 0; border-top: 1px solid var(--line); }
.principle-grid article:last-child { border-bottom: 1px solid var(--line); }
.principle-grid span { color: var(--acid); font: italic 400 .9rem/1.6 var(--serif); }
.principle-grid h3, .principle-grid p { margin: 0; }
.principle-grid h3 { font-size: 1.05rem; }
.principle-grid p { color: var(--muted); }
.contact { background: var(--acid); color: var(--night); width: 100%; max-width: none; padding-inline: max(1.5rem, calc((100vw - 1360px)/2)); display: grid; grid-template-columns: .45fr 1.55fr; }
.contact .eyebrow { color: var(--night); }
.contact > div { display: flex; justify-content: space-between; align-items: end; gap: 2rem; flex-wrap: wrap; }
.contact h2 { margin: 0; font-size: clamp(3rem, 7vw, 7rem); line-height: .9; letter-spacing: -.06em; }
.site-footer { min-height: 10rem; gap: 2rem; color: var(--muted); }
.footer-brand { color: var(--ink); }
.site-footer nav { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.site-footer p { margin: 0; font-size: .85rem; }

:focus-visible { outline: 2px solid var(--acid); outline-offset: 4px; }
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 3rem; }
  .hero-art { width: min(100%, 34rem); justify-self: center; }
  .section-heading, .principles, .contact { grid-template-columns: 1fr; }
  .product-card { grid-template-columns: 1fr; min-height: 43rem; }
  .product-number { position: absolute; top: 2rem; left: 2rem; }
  .product-glyph { position: absolute; right: 7rem; top: 7rem; }
  .product-copy { align-self: end; }
  .principle-grid article { grid-template-columns: .16fr 1fr; }
  .principle-grid p { grid-column: 2; }
}
@media (max-width: 640px) {
  .site-header, .site-footer, .hero, .section-shell { width: min(100% - 2rem, 1360px); }
  .site-header { min-height: 5rem; }
  .menu-button { display: block; color: var(--ink); }
  .site-nav { display: none; position: absolute; top: 4.5rem; left: 0; right: 0; padding: 1.2rem; flex-direction: column; align-items: flex-start; background: var(--night-soft); border: 1px solid var(--line); }
  .site-nav.is-open { display: flex; }
  .hero { min-height: auto; padding: 4rem 0 6rem; }
  .hero h1 { font-size: clamp(3.7rem, 18vw, 5.7rem); }
  .hero-art { margin-top: 2rem; }
  .section-shell { padding-block: 5.5rem; }
  .section-heading { margin-bottom: 2.5rem; }
  .product-card { min-height: 39rem; padding: 1.5rem; }
  .product-glyph { right: 5.6rem; top: 6rem; transform: scale(.72); }
  .principle-grid article { grid-template-columns: 2rem 1fr; }
  .contact { width: 100%; padding-inline: 1rem; }
  .contact > div { align-items: flex-start; }
  .site-footer { padding-block: 2.5rem; align-items: flex-start; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; } }