:root {
  --ink: #f2ecdf;
  --ink-soft: #c9c0b1;
  --void: #0a0a09;
  --line: rgba(242,236,223,.14);
  --teal: #63e6d6;
  --serif: "Instrument Serif", Georgia, "Times New Roman", serif;
  --mono: "DM Mono", "Courier New", monospace;
  --page-x: clamp(1.25rem, 4.2vw, 5.25rem);
  --content: 1440px;
}

*, *::before, *::after { box-sizing: border-box; }
html { color-scheme: dark; scroll-behavior: smooth; background: var(--void); }
body { margin: 0; min-width: 320px; overflow-x: hidden; background: var(--void); color: var(--ink); font-family: var(--mono); text-rendering: optimizeLegibility; }
body::before { content: ""; position: fixed; inset: 0; z-index: 1000; pointer-events: none; opacity: .1; background: repeating-linear-gradient(to bottom, transparent 0 3px, rgba(255,255,255,.06) 4px); mix-blend-mode: soft-light; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.shell { width: min(100%, var(--content)); margin-inline: auto; padding-inline: var(--page-x); }
.skip-link { position: fixed; left: 1rem; top: 1rem; z-index: 1001; padding: .75rem 1rem; opacity: 0; pointer-events: none; transform: translateY(-180%); background: var(--ink); color: var(--void); }
.skip-link:focus { opacity: 1; pointer-events: auto; transform: none; }

.site-header { border-bottom: 1px solid var(--line); background: rgba(10,10,9,.92); }
.nav { min-height: 5.1rem; display: flex; align-items: center; }
.brand { display: inline-flex; align-items: center; gap: .8rem; width: fit-content; text-decoration: none; font: italic clamp(1.55rem,2vw,2rem)/1 var(--serif); }
.brand img { width: 2rem; height: 2rem; }

.hero { padding-block: clamp(3.5rem,6vw,6rem); }
.hero-copy { max-width: 72rem; margin-inline: auto; text-align: center; }
.eyebrow { margin: 0 0 1rem; color: var(--teal); font: 500 .7rem/1.4 var(--mono); letter-spacing: .16em; text-transform: uppercase; }
.hero h1 { max-width: 12ch; margin: 0 auto; font: clamp(4rem,7.5vw,8rem)/.89 var(--serif); letter-spacing: -.045em; text-wrap: balance; }
.hero-lede { max-width: 52ch; margin: 1.75rem auto 0; color: var(--ink-soft); font-size: clamp(1rem,1.25vw,1.16rem); line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: .8rem; margin-top: 2rem; }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; padding: .95rem 1.25rem; border: 1px solid var(--line); font-size: .82rem; letter-spacing: .02em; text-decoration: none; }
.button-primary { border-color: var(--ink); background: var(--ink); color: var(--void); }
.button-primary:hover, .button-primary:focus-visible { border-color: var(--teal); background: var(--teal); }
.button-secondary:hover, .button-secondary:focus-visible { border-color: var(--teal); color: var(--teal); }

.demo { width: min(100%, 82rem); margin: clamp(3rem,5vw,5rem) auto 0; }
.motion-frame { position: relative; aspect-ratio: 16/9; overflow: hidden; border: 1px solid rgba(242,236,223,.18); background: #080807; box-shadow: 0 2rem 7rem rgba(0,0,0,.58); }
.motion-frame::before { content: ""; position: absolute; inset: -1px; z-index: 4; pointer-events: none; box-shadow: inset 0 0 0 1px rgba(255,255,255,.04); }
.motion-frame img, .motion-frame video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.motion-frame video { z-index: 2; opacity: 0; transition: opacity .35s ease; }
.motion-frame img { z-index: 1; transition: opacity .35s ease; }
.motion-frame.is-playing video { opacity: 1; }
.motion-frame.is-playing img { opacity: 0; }
.motion-frame.has-ended video { opacity: 1; }
.motion-frame.has-ended img { opacity: 0; }
.motion-frame.media-failed video, .motion-frame.media-failed .motion-toggle, .motion-frame.media-failed .motion-play { display: none; }
.motion-toggle { position: absolute; right: 1rem; bottom: 1rem; z-index: 5; min-width: 70px; min-height: 42px; border: 1px solid rgba(242,236,223,.2); background: rgba(8,8,7,.85); color: var(--ink); font: .7rem var(--mono); backdrop-filter: blur(8px); }
.motion-play { position: absolute; left: 50%; top: 50%; z-index: 6; min-height: 50px; padding: .85rem 1.1rem; transform: translate(-50%,-50%); border: 1px solid rgba(242,236,223,.35); background: rgba(8,8,7,.92); color: var(--ink); font: .75rem var(--mono); letter-spacing: .03em; white-space: nowrap; backdrop-filter: blur(10px); }
.motion-play [aria-hidden] { margin-right: .45rem; color: var(--teal); }
.motion-frame.is-playing .motion-play { display: none; }
.motion-frame.has-ended .motion-play { top: auto; bottom: clamp(.5rem,2vw,1.5rem); transform: translateX(-50%); }

.site-footer { border-top: 1px solid var(--line); color: var(--ink-soft); font: .7rem/1.5 var(--mono); }
.footer-row { min-height: 5rem; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.footer-links { display: flex; align-items: center; gap: 1.5rem; }
.footer-links a { min-width: 44px; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; text-underline-offset: .2em; }
.footer-links a:hover, .footer-links a:focus-visible { color: var(--teal); }

[data-reveal] { opacity: 1; transform: none; }
.reveal-ready [data-reveal] { opacity: 0; transform: translateY(1.25rem); transition: opacity .75s ease, transform .75s ease; }
.reveal-ready [data-reveal].is-visible { opacity: 1; transform: none; }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 4px; }

@media (max-width: 720px) {
  .nav { min-height: 4.5rem; }
  .brand { font-size: 1.45rem; }
  .hero { padding-block: 3.25rem 3.75rem; }
  .hero h1 { font-size: clamp(3.5rem,16vw,5.2rem); }
  .hero-lede { margin-top: 1.5rem; }
  .hero-actions { margin-top: 1.5rem; flex-direction: column; }
  .button { width: 100%; }
  .demo { margin-top: 3.25rem; }
  .motion-toggle { right: .65rem; bottom: .65rem; }
  .footer-row { min-height: 6rem; align-items: flex-start; flex-direction: column; justify-content: center; gap: .65rem; }
}

@media (max-width: 360px) and (max-height: 620px) {
  .hero { padding-top: 1.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .motion-frame video, .motion-toggle { display: none !important; }
  .motion-frame img { opacity: 1 !important; }
  .motion-frame.motion-opt-in video { display: block !important; }
  .motion-frame.motion-opt-in:not(.has-ended) .motion-toggle { display: block !important; }
  .motion-frame.motion-opt-in video { opacity: 1 !important; }
  .motion-frame.motion-opt-in img { opacity: 0 !important; }
  .motion-frame.motion-opt-in.is-playing .motion-play { display: none !important; }
}