/* OCTO 3D standard page. Tokens come from system/tokens.css. */
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg, #02040A); color: var(--fg, #EAF0FF); font-family: Inter, system-ui, sans-serif; }
a { color: var(--accent); }
.wrap { max-width: 1320px; margin: 0 auto; padding: 0 32px; }
.top { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 20px; padding: 14px 32px; background: rgba(2,4,10,.72); backdrop-filter: blur(18px); border-bottom: 1px solid var(--stroke-1); }
.top b { font: 700 15px 'Space Grotesk', sans-serif; letter-spacing: .08em; }
.top nav { display: flex; gap: 4px; margin-left: auto; overflow-x: auto; }
.top nav a { color: var(--fg-2); text-decoration: none; font: 500 13px Inter; padding: 8px 12px; border-radius: 999px; white-space: nowrap; }
.top nav a:hover { color: var(--fg); background: rgba(255,255,255,.06); }

/* Hero console */
.console { position: relative; margin: 20px auto 0; max-width: 1400px; height: min(780px, calc(100vh - 90px)); min-height: 560px; border-radius: 20px; overflow: hidden;
  border: 1px solid rgba(63,216,255,.22); background: radial-gradient(120% 90% at 50% 40%, #0A1838 0%, #050912 55%, #02040A 100%);
  box-shadow: 0 0 0 1px rgba(139,92,255,.08), 0 40px 120px rgba(0,0,0,.6), inset 0 0 120px rgba(43,107,255,.10); }
.console canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; cursor: grab; touch-action: pan-y; }
.console::after { content: ""; position: absolute; inset: 10px; border-radius: 14px; pointer-events: none;
  background: linear-gradient(var(--cyan-500),var(--cyan-500)) top left/44px 2px no-repeat, linear-gradient(var(--cyan-500),var(--cyan-500)) top left/2px 44px no-repeat,
  linear-gradient(var(--cyan-500),var(--cyan-500)) top right/44px 2px no-repeat, linear-gradient(var(--cyan-500),var(--cyan-500)) top right/2px 44px no-repeat,
  linear-gradient(var(--cyan-500),var(--cyan-500)) bottom left/44px 2px no-repeat, linear-gradient(var(--cyan-500),var(--cyan-500)) bottom left/2px 44px no-repeat,
  linear-gradient(var(--cyan-500),var(--cyan-500)) bottom right/44px 2px no-repeat, linear-gradient(var(--cyan-500),var(--cyan-500)) bottom right/2px 44px no-repeat; opacity: .8; }
.hud-bar { position: absolute; top: 18px; left: 22px; right: 22px; display: flex; align-items: center; gap: 14px; pointer-events: none; z-index: 3; }
.hud-title { padding: 9px 26px 9px 16px; font: 700 15px 'Space Grotesk'; letter-spacing: .06em; clip-path: polygon(0 0, 100% 0, calc(100% - 16px) 100%, 0 100%);
  background: linear-gradient(90deg, rgba(43,107,255,.55), rgba(63,216,255,.15)); border-top: 2px solid var(--cyan-500); }
.hud-tabs { display: flex; gap: 6px; margin-left: 18px; }
.hud-tabs span { font: 600 11px Inter; letter-spacing: .16em; text-transform: uppercase; color: var(--fg-3); padding: 8px 12px; border-bottom: 2px solid transparent; }
.hud-tabs span.on { color: var(--cyan-300); border-color: var(--cyan-500); background: linear-gradient(0deg, rgba(63,216,255,.16), transparent); }
.hud-clock { margin-left: auto; font: 500 12px 'Space Grotesk'; color: var(--fg-2); letter-spacing: .1em; }
.hud-copy { position: absolute; left: 32px; bottom: 32px; max-width: 420px; z-index: 3; pointer-events: none; }
.eyebrow { font: 600 11px Inter; letter-spacing: .22em; text-transform: uppercase; color: var(--cyan-500); }
.hud-copy h1 { font: 700 clamp(34px, 4.4vw, 60px)/1 'Space Grotesk', sans-serif; letter-spacing: -.025em; margin: 10px 0 12px;
  background: linear-gradient(100deg, #fff 30%, var(--cyan-300) 70%, var(--plasma-300)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hud-copy p { margin: 0; color: var(--fg-2); line-height: 1.55; font-size: 15px; }
.panel { position: absolute; z-index: 3; width: 264px; padding: 14px 16px 16px; border-radius: 12px; background: linear-gradient(160deg, rgba(20,34,72,.72), rgba(6,10,24,.78));
  border: 1px solid rgba(63,216,255,.22); backdrop-filter: blur(14px); box-shadow: var(--edge-hi); }
.panel h3 { margin: 0 0 12px; font: 600 11px Inter; letter-spacing: .18em; text-transform: uppercase; color: var(--cyan-300); display: flex; justify-content: space-between; }
.panel h3::after { content: ""; width: 34px; height: 2px; margin-top: 5px; background: var(--energy); }
.p-left { left: 22px; top: 84px; } .p-right { right: 22px; top: 84px; } .p-right2 { right: 22px; bottom: 22px; }
.ctl { display: grid; gap: 6px; }
.ctl button { all: unset; cursor: pointer; display: flex; align-items: center; gap: 10px; font: 500 13px Inter; color: var(--fg-2); padding: 8px 10px; border-radius: 8px; border: 1px solid transparent; }
.ctl button i { width: 10px; height: 10px; border-radius: 3px; background: var(--c); box-shadow: 0 0 10px var(--c); }
.ctl button[aria-pressed="true"] { color: var(--fg); background: rgba(63,216,255,.08); border-color: rgba(63,216,255,.3); }
.ctl button:focus-visible { outline: 2px solid var(--cyan-500); }
.ctl button span { margin-left: auto; font: 500 11px 'Space Grotesk'; color: var(--fg-3); }
.metric { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.metric div { padding: 10px; border-radius: 8px; background: rgba(255,255,255,.035); border: 1px solid var(--stroke-1); }
.metric b { display: block; font: 700 20px 'Space Grotesk'; color: #fff; font-variant-numeric: tabular-nums; }
.metric span { font: 500 10px Inter; letter-spacing: .14em; text-transform: uppercase; color: var(--fg-3); }
.slider { display: grid; gap: 4px; margin-top: 10px; font: 500 12px Inter; color: var(--fg-2); }
.slider label { display: flex; justify-content: space-between; }
.slider output { font-family: 'Space Grotesk'; color: var(--cyan-300); }
input[type=range] { width: 100%; accent-color: var(--cyan-500); }
.labels { position: absolute; inset: 0; pointer-events: none; z-index: 2; }
.tag { position: absolute; left: 0; top: 0; font: 600 10px/1 Inter; letter-spacing: .14em; text-transform: uppercase; color: var(--cyan-300); padding: 6px 9px;
  background: linear-gradient(90deg, rgba(43,107,255,.45), rgba(11,20,38,.75)); border-left: 2px solid var(--cyan-500); white-space: nowrap; }

/* Sections */
section.std { padding: 96px 0 24px; scroll-margin-top: 60px; }
.sec-head { display: grid; grid-template-columns: 120px 1fr; gap: 24px; align-items: end; margin-bottom: 36px; }
.sec-num { font: 700 64px/0.9 'Space Grotesk'; color: transparent; -webkit-text-stroke: 1px rgba(63,216,255,.45); }
.sec-head h2 { font: 700 clamp(28px, 3vw, 42px)/1.05 'Space Grotesk'; margin: 6px 0 8px; letter-spacing: -.02em; }
.sec-head p { margin: 0; color: var(--fg-2); max-width: 64ch; line-height: 1.55; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { position: relative; padding: 20px; border-radius: 16px; background: var(--glass-tint), var(--surface-1); border: 1px solid var(--stroke-1); box-shadow: var(--edge-hi); overflow: hidden; }
.card h3 { font: 700 18px 'Space Grotesk'; margin: 14px 0 6px; } .card p { margin: 0 0 12px; color: var(--fg-2); font-size: 14px; line-height: 1.5; }
.card code, .mono { font: 500 12px ui-monospace, Menlo, monospace; color: var(--cyan-300); }
.swatch { height: 120px; border-radius: 12px; position: relative; overflow: hidden; border: 1px solid var(--stroke-1); }
.sw-glass { background: radial-gradient(60% 70% at 50% 55%, rgba(63,216,255,.08), transparent 70%), repeating-linear-gradient(0deg, rgba(63,216,255,.12) 0 1px, transparent 1px 4px), #050912; box-shadow: inset 0 0 40px rgba(245,243,235,.35), inset 0 0 6px rgba(63,216,255,.9); }
.sw-beam { background: linear-gradient(90deg, transparent 30%, rgba(63,216,255,.85) 50%, transparent 70%), linear-gradient(0deg, #050912, #0B1426); }
.sw-grid { background: radial-gradient(circle at 50% 50%, transparent 0 30%, rgba(63,216,255,.5) 31% 32%, transparent 33%), conic-gradient(from 30deg, rgba(43,107,255,.25), transparent 30%, rgba(43,107,255,.25) 60%, transparent), #050912; }
.sw-edge { background: #050912; } .sw-edge::before { content: ""; position: absolute; inset: 24px 40px; border: 2px solid var(--cyan-500); transform: skewX(-24deg); box-shadow: 0 0 14px var(--cyan-500), inset 0 0 14px rgba(63,216,255,.4); }
.sw-hull { background: linear-gradient(145deg, #2A3E6E 0%, #13213D 40%, #0A1020 100%); }
.sw-emit { background: radial-gradient(circle at 50% 50%, #fff 0 8%, var(--cyan-500) 14%, rgba(63,216,255,.25) 34%, transparent 60%), #050912; }
dl.props { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; margin: 0; font-size: 12px; }
dl.props dt { color: var(--fg-3); } dl.props dd { margin: 0; font-family: ui-monospace, Menlo, monospace; color: var(--fg); }
.rig { display: grid; grid-template-columns: 1.2fr 1fr; gap: 16px; }
.rig svg { width: 100%; height: auto; display: block; }
table.t { width: 100%; border-collapse: collapse; font-size: 13px; }
table.t th { text-align: left; font: 600 10px Inter; letter-spacing: .16em; text-transform: uppercase; color: var(--fg-3); padding: 10px 8px; border-bottom: 1px solid var(--stroke-2); }
table.t td { padding: 10px 8px; border-bottom: 1px solid var(--stroke-1); color: var(--fg-2); }
table.t td:first-child { color: var(--fg); font-weight: 600; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 8px; vertical-align: middle; }
.scale { display: flex; align-items: flex-end; gap: 18px; padding: 24px 20px 0; height: 260px; border-bottom: 1px solid var(--cyan-500);
  background: repeating-linear-gradient(0deg, rgba(63,216,255,.10) 0 1px, transparent 1px 40px); border-radius: 12px 12px 0 0; overflow-x: auto; }
.scale div { flex: 0 0 auto; text-align: center; font: 500 11px Inter; color: var(--fg-2); display: flex; flex-direction: column; justify-content: flex-end; align-items: center; gap: 8px; height: 100%; }
.scale div i { display: block; width: 46px; border-radius: 6px 6px 0 0; background: linear-gradient(0deg, rgba(43,107,255,.5), rgba(63,216,255,.85)); box-shadow: 0 0 18px rgba(63,216,255,.35); }
.pipe { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; counter-reset: s; }
.pipe .card { padding-top: 46px; } .pipe .card::before { counter-increment: s; content: "0" counter(s); position: absolute; top: 16px; left: 20px; font: 700 13px 'Space Grotesk'; color: var(--cyan-500); letter-spacing: .1em; }
.pipe .card::after { content: ""; position: absolute; top: 24px; left: 54px; right: 20px; height: 1px; background: linear-gradient(90deg, var(--cyan-500), transparent); }
pre.code { margin: 0; padding: 18px; border-radius: 12px; background: #030612; border: 1px solid var(--stroke-1); overflow-x: auto; font: 12px/1.6 ui-monospace, Menlo, monospace; color: var(--fg-2); }
pre.code b { color: var(--cyan-300); font-weight: 500; } pre.code i { color: var(--plasma-300); font-style: normal; }
footer { padding: 72px 0 56px; color: var(--fg-3); font-size: 13px; }

@media (max-width: 1100px) { .p-right2 { display: none; } .pipe { grid-template-columns: repeat(2, 1fr); } .rig { grid-template-columns: 1fr; } }
@media (max-width: 760px) {
  .wrap { padding: 0 16px; } .top { padding: 12px 16px; } .top nav { display: none; }
  .console { margin: 12px 16px 0; height: auto; min-height: 0; display: flex; flex-direction: column; border-radius: 16px; }
  .console canvas { position: relative; height: 380px; order: 2; }
  .hud-bar { position: relative; top: 0; left: 0; right: 0; padding: 14px 14px 0; order: 1; } .hud-tabs, .hud-clock { display: none; }
  .hud-copy { position: relative; left: 0; bottom: 0; padding: 14px; order: 3; max-width: none; }
  .panel { position: relative; inset: auto; width: auto; margin: 0 14px 14px; order: 4; } .p-right { order: 5; }
  .labels { height: 380px; top: 58px; } .tag { font-size: 8px; padding: 4px 6px; }
  .sec-head { grid-template-columns: 1fr; gap: 4px; } .sec-num { font-size: 44px; }
  .pipe { grid-template-columns: 1fr; } section.std { padding-top: 64px; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto; } }

/* Shared docs frame: the site rail replaces the page's own section bar, like every standards page */
.tx{display:grid;grid-template-columns:264px minmax(0,1fr);max-width:1440px;margin:0 auto}
.tx-rail{position:sticky;top:64px;align-self:start;height:calc(100vh - 64px);overflow:hidden;border-right:1px solid var(--stroke-1)}
.tx-main{min-width:0;padding:0 24px}
@media (max-width:1000px){.tx{display:block}.tx-rail{display:none}.tx-main{padding:0}}