@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  --ink: #101112;
  --ink-soft: #4f5150;
  --paper: #e9e7e1;
  --paper-deep: #d9d8d2;
  --acid: #d6f46a;
  --line: rgba(16, 17, 18, 0.2);
  --line-light: rgba(233, 231, 225, 0.22);
  --mono: 'DM Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: 'Space Grotesk', 'Helvetica Neue', Arial, sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; min-width: 320px; min-height: 100%; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
button, a { font: inherit; }
button { color: inherit; }
.site-shell { min-height: 100vh; }
.topbar {
  align-items: center;
  display: flex;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 4.5vw;
  position: relative;
  z-index: 5;
}
.wordmark {
  align-items: center;
  color: var(--ink);
  display: inline-flex;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  gap: 11px;
  letter-spacing: .13em;
  text-decoration: none;
}
.wordmark-mark {
  border: 1.5px solid var(--ink);
  display: inline-block;
  height: 15px;
  position: relative;
  transform: rotate(45deg);
  width: 15px;
}
.wordmark-mark::after { background: var(--ink); content: ''; height: 5px; left: 3px; position: absolute; top: 3px; width: 5px; }
.topbar-meta { align-items: center; color: var(--ink-soft); display: flex; font-family: var(--mono); font-size: 9px; gap: 15px; letter-spacing: .14em; }
.topbar-rule { background: var(--line); height: 1px; width: 38px; }
.viewer-page {
  display: grid;
  grid-template-columns: minmax(220px, .75fr) minmax(460px, 1.6fr) minmax(210px, .72fr);
  grid-template-rows: minmax(630px, calc(100vh - 176px)) auto auto;
  gap: 0 2.5vw;
  margin: 0 auto;
  max-width: 1680px;
  padding: 2.5vh 4.5vw 28px;
  position: relative;
}
.hero-copy { align-self: center; padding: 0 0 5vh; position: relative; z-index: 2; }
.eyebrow { align-items: center; color: var(--ink-soft); display: flex; font-family: var(--mono); font-size: 9px; gap: 8px; letter-spacing: .12em; margin: 0 0 33px; }
.eyebrow-dot { background: var(--ink); border-radius: 50%; display: inline-block; height: 5px; width: 5px; }
h1 { font-size: clamp(58px, 7.4vw, 125px); font-weight: 600; letter-spacing: -.08em; line-height: .81; margin: 0 0 33px; }
h1 em { color: transparent; font-style: normal; -webkit-text-stroke: 1.5px var(--ink); }
.intro { color: var(--ink-soft); font-size: 13px; line-height: 1.45; margin: 0; max-width: 235px; }
.hero-line { background: var(--ink); height: 2px; margin: 35px 0 15px; width: 74px; }
.hero-note { color: var(--ink-soft); font-family: var(--mono); font-size: 9px; line-height: 1.6; margin: 0; text-transform: uppercase; }
.viewer-wrap { background: var(--ink); border-radius: 1px; box-shadow: 0 24px 70px rgba(16, 17, 18, .18); min-height: 540px; overflow: hidden; position: relative; }
.viewer { bottom: 0; cursor: grab; left: 0; position: absolute; right: 0; top: 0; touch-action: none; }
.viewer:active { cursor: grabbing; }
.viewer canvas { display: block; height: 100%; width: 100%; }
.viewer[data-view="top"] canvas { filter: saturate(1.08); }
.viewer-grid { background-image: linear-gradient(var(--line-light) 1px, transparent 1px), linear-gradient(90deg, var(--line-light) 1px, transparent 1px); background-size: 58px 58px; inset: 0; opacity: .24; pointer-events: none; position: absolute; z-index: 1; }
.viewer-grid::after { background: linear-gradient(90deg, rgba(214,244,106,.2), transparent 25%, transparent 75%, rgba(214,244,106,.12)); content: ''; inset: 0; position: absolute; }
.viewer-orbit-mark { border: 1px solid rgba(233,231,225,.35); border-radius: 50%; height: 82px; left: 50%; position: absolute; top: 50%; transform: translate(-50%, -50%); width: 82px; z-index: 1; }
.viewer-orbit-mark::before, .viewer-orbit-mark::after { background: rgba(233,231,225,.4); content: ''; left: 50%; position: absolute; top: 50%; transform: translate(-50%, -50%); }
.viewer-orbit-mark::before { height: 1px; width: 100%; }
.viewer-orbit-mark::after { height: 100%; width: 1px; }
.viewer-orbit-mark span { background: var(--acid); border-radius: 50%; display: block; height: 5px; left: 50%; position: absolute; top: -3px; transform: translateX(-50%); width: 5px; }
.loading-state { align-items: center; color: rgba(233,231,225,.72); display: flex; font-family: var(--mono); font-size: 9px; gap: 10px; inset: 0; justify-content: center; letter-spacing: .1em; pointer-events: none; position: absolute; z-index: 3; }
.loading-spinner { animation: spin 1s linear infinite; border: 1px solid rgba(233,231,225,.25); border-left-color: var(--acid); border-radius: 50%; height: 15px; width: 15px; }
.viewer-error { align-items: center; background: rgba(16,17,18,.86); color: var(--paper); display: flex; flex-direction: column; font-family: var(--mono); font-size: 10px; gap: 9px; inset: 0; justify-content: center; letter-spacing: .08em; position: absolute; text-align: center; z-index: 4; }
.viewer-error strong { color: var(--acid); font-family: var(--sans); font-size: 18px; letter-spacing: -.02em; }
.viewer-caption { bottom: 17px; color: rgba(233,231,225,.65); display: flex; font-family: var(--mono); font-size: 8px; justify-content: space-between; left: 20px; letter-spacing: .1em; pointer-events: none; position: absolute; right: 20px; z-index: 2; }
.spec-panel { align-self: end; padding: 0 0 5vh; position: relative; z-index: 2; }
.panel-label { color: var(--ink-soft); display: flex; font-family: var(--mono); font-size: 9px; justify-content: space-between; letter-spacing: .12em; margin-bottom: 23px; }
.panel-label span { color: var(--ink); }
.spec-lead { align-items: baseline; display: flex; gap: 9px; justify-content: space-between; }
.spec-lead span { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; }
.spec-lead strong { font-size: 32px; font-weight: 600; letter-spacing: -.07em; }
.spec-rule { background: var(--ink); height: 2px; margin: 15px 0 2px; width: 100%; }
.spec-list { margin: 0; }
.spec-list > div { align-items: baseline; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; padding: 10px 0; }
.spec-list dt { color: var(--ink-soft); font-family: var(--mono); font-size: 9px; letter-spacing: .02em; }
.spec-list dd { font-family: var(--mono); font-size: 12px; margin: 0; }
.spec-list small { color: var(--ink-soft); font-size: 8px; }
.spec-footnote { color: var(--ink-soft); font-family: var(--mono); font-size: 8px; line-height: 1.7; margin: 20px 0 0; }
.spec-footnote code { color: var(--ink); }
.interaction-bar { align-items: center; border-top: 1px solid var(--line); display: flex; grid-column: 1 / -1; gap: 5px; margin-top: 14px; padding-top: 14px; }
.control-button { align-items: center; background: transparent; border: 1px solid transparent; cursor: pointer; display: inline-flex; font-family: var(--mono); font-size: 9px; gap: 8px; letter-spacing: .07em; min-height: 40px; padding: 0 11px; transition: background .2s, border-color .2s; }
.control-button:hover, .control-button:focus-visible { background: rgba(16,17,18,.06); border-color: var(--line); outline: none; }
.control-button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.control-icon { font-size: 17px; line-height: 1; }
.interaction-divider { background: var(--line); height: 20px; margin: 0 9px; width: 1px; }
.interaction-hint { color: var(--ink-soft); font-family: var(--mono); font-size: 9px; letter-spacing: .02em; }
.page-footer { align-items: center; color: var(--ink-soft); display: flex; font-family: var(--mono); font-size: 8px; grid-column: 1 / -1; justify-content: space-between; letter-spacing: .1em; padding-top: 26px; }
.footer-status { align-items: center; display: inline-flex; gap: 8px; }
.footer-status i { background: #79a12d; border-radius: 50%; display: inline-block; height: 5px; width: 5px; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (max-width: 980px) {
  .viewer-page { grid-template-columns: minmax(180px, .65fr) minmax(400px, 1.4fr); grid-template-rows: minmax(560px, calc(100vh - 176px)) auto auto; }
  .spec-panel { align-self: center; padding: 0; }
  .hero-copy { padding-bottom: 0; }
  .interaction-bar { margin-top: 30px; }
}
@media (max-width: 700px) {
  .topbar { min-height: 62px; padding: 0 20px; }
  .topbar-meta { font-size: 8px; gap: 9px; }
  .topbar-meta span:first-child, .topbar-rule { display: none; }
  .viewer-page { display: flex; flex-direction: column; gap: 0; min-height: 0; padding: 8px 20px 22px; }
  .hero-copy { padding: 25px 0 34px; }
  .eyebrow { margin-bottom: 22px; }
  h1 { font-size: clamp(62px, 19vw, 102px); margin-bottom: 24px; }
  .intro { font-size: 12px; max-width: 280px; }
  .hero-line { margin: 25px 0 12px; }
  .viewer-wrap { height: min(116vw, 560px); min-height: 410px; order: 2; }
  .viewer-caption { bottom: 14px; left: 14px; right: 14px; }
  .spec-panel { order: 3; padding: 34px 0 0; }
  .spec-list { display: grid; grid-template-columns: 1fr 1fr; column-gap: 22px; }
  .spec-list > div { display: block; padding: 10px 0 9px; }
  .spec-list dd { margin-top: 6px; }
  .interaction-bar { align-items: stretch; flex-wrap: wrap; gap: 2px; margin-top: 26px; order: 4; padding-top: 12px; }
  .control-button { flex: 1 1 auto; justify-content: center; min-height: 44px; padding: 0 8px; }
  .interaction-divider { display: none; }
  .interaction-hint { flex-basis: 100%; font-size: 8px; padding: 9px 2px 0; text-align: center; }
  .page-footer { align-items: flex-start; flex-direction: column; gap: 10px; order: 5; padding-top: 30px; }
  .footer-status { order: -1; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
}