:root {
  --ink: #090909;
  --paper: #efefe9;
  --acid: #d7ff00;
  --violet: #7b2cff;
  --cyan: #00e6ff;
  --orange: #ff4b00;
  --signal: var(--acid);
  --signal-2: var(--cyan);
  --line: rgba(239,239,233,.28);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--paper); background: var(--ink); font-family: Arial, Helvetica, sans-serif; font-size: 16px; line-height: 1.5; overflow-x: hidden; }
body[data-spectrum="violet"] { --signal: var(--violet); --signal-2: var(--cyan); }
body[data-spectrum="orange"] { --signal: var(--orange); --signal-2: var(--acid); }
button, a { font: inherit; }
a { color: inherit; }
img { display: block; max-width: 100%; }
.skip-link { position: fixed; z-index: 100; top: 8px; left: 8px; padding: 10px 14px; color: var(--ink); background: var(--signal); transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }

.topbar { position: fixed; z-index: 50; inset: 0 0 auto; height: 64px; display: grid; grid-template-columns: 1fr auto auto; align-items: center; color: var(--paper); background: rgba(9,9,9,.92); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.wordmark { height: 100%; padding: 0 24px; display: flex; align-items: center; gap: 2px; text-decoration: none; font-size: 1.15rem; letter-spacing: -.04em; }
.wordmark strong { color: var(--signal); }
.status { height: 100%; padding: 0 24px; display: flex; align-items: center; gap: 9px; border-inline: 1px solid var(--line); font: 700 .72rem/1 monospace; letter-spacing: .08em; }
.status i { width: 8px; height: 8px; background: var(--signal); border-radius: 50%; box-shadow: 0 0 14px var(--signal); }
.nav-toggle { height: 64px; padding: 0 24px; display: flex; align-items: center; gap: 42px; color: inherit; background: transparent; border: 0; cursor: pointer; font: 700 .76rem/1 monospace; letter-spacing: .08em; }
.nav-toggle b { color: var(--signal); font-size: 1.4rem; transition: transform .25s ease; }
.nav-toggle[aria-expanded="true"] b { transform: rotate(45deg); }
.nav { position: fixed; top: 64px; right: 0; width: min(420px, 100%); padding: 22px; display: none; background: var(--signal); color: var(--ink); border-left: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.nav.is-open { display: grid; }
.nav a { padding: 17px 4px; display: flex; justify-content: space-between; text-decoration: none; text-transform: uppercase; font-weight: 800; border-bottom: 1px solid rgba(9,9,9,.35); }
.nav a::after { content: "↘"; }

.scanner { position: relative; min-height: 100svh; padding-top: 64px; display: grid; grid-template-columns: 12vw 1fr 42vw; grid-template-rows: 1fr auto; isolation: isolate; overflow: hidden; }
.scanner-grid { position: absolute; z-index: -2; inset: 64px 0 0; background-image: linear-gradient(rgba(239,239,233,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(239,239,233,.08) 1px, transparent 1px); background-size: 6.25vw 6.25vw; }
.axis { position: absolute; z-index: 3; margin: 0; font: 700 .64rem/1 monospace; letter-spacing: .09em; color: rgba(239,239,233,.6); }
.axis-x { left: 14vw; top: 84px; }
.axis-y { left: 22px; top: 50%; writing-mode: vertical-rl; transform: rotate(180deg); }
.scanner-title { z-index: 3; grid-column: 2 / 4; align-self: center; padding: 60px 3vw 80px 2vw; }
.kicker { margin: 0 0 24px; font: 700 .75rem/1.2 monospace; letter-spacing: .12em; text-transform: uppercase; }
.scanner h1 { position: relative; z-index: 2; margin: 0; display: flex; flex-direction: column; font-size: clamp(4rem, 10vw, 10rem); line-height: .76; letter-spacing: -.095em; text-transform: uppercase; }
.scanner h1 span:nth-child(2) { margin-left: 10vw; color: transparent; -webkit-text-stroke: 1.5px var(--paper); }
.scanner h1 em { margin-left: 20vw; color: var(--signal); font-style: normal; }
.scan-figure { position: absolute; z-index: 0; top: 64px; right: 0; bottom: 0; width: 50vw; margin: 0; overflow: hidden; border-left: 1px solid var(--line); }
.scan-figure::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--ink), transparent 30%), linear-gradient(0deg, var(--ink), transparent 25%); mix-blend-mode: multiply; }
.scan-figure img { width: 100%; height: 100%; object-fit: cover; filter: saturate(1.25) contrast(1.08); }
.scan-figure figcaption { position: absolute; z-index: 2; top: 20px; right: 20px; display: flex; flex-direction: column; align-items: flex-end; font: 700 .65rem/1.6 monospace; letter-spacing: .09em; }
.scanner-note { z-index: 4; grid-column: 2; align-self: end; max-width: 500px; padding: 0 3vw 34px 2vw; }
.scanner-note span { color: var(--signal); font: 700 .68rem/1 monospace; letter-spacing: .08em; }
.scanner-note p { margin: 12px 0 0; color: rgba(239,239,233,.75); }
.scroll-cue { z-index: 4; grid-column: 3; align-self: end; justify-self: end; width: 100%; padding: 24px; display: flex; justify-content: space-between; text-decoration: none; color: var(--ink); background: var(--signal); font: 800 .74rem/1 monospace; letter-spacing: .08em; }

.ticker { height: 74px; display: flex; align-items: center; color: var(--ink); background: var(--signal-2); border-block: 1px solid var(--ink); overflow: hidden; }
.ticker div { flex: none; white-space: nowrap; font-size: 2rem; font-weight: 900; letter-spacing: -.04em; animation: ticker 20s linear infinite; }
@keyframes ticker { to { transform: translateX(-50%); } }

.signals { display: grid; grid-template-columns: 42% 58%; color: var(--ink); background: var(--paper); border-bottom: 1px solid var(--ink); }
.signals-head { position: sticky; top: 64px; height: calc(100vh - 64px); padding: 6vw 4vw; display: flex; flex-direction: column; justify-content: space-between; background: var(--signal); border-right: 1px solid var(--ink); }
.signals-head p, .protocol header p, .ethics > p { margin: 0; font: 700 .72rem/1.2 monospace; letter-spacing: .1em; }
.signals-head h2 { margin: 0; font-size: clamp(2.7rem, 5vw, 5.8rem); line-height: .88; letter-spacing: -.075em; text-transform: uppercase; }
.signal-list { margin: 0; padding: 0; list-style: none; }
.signal-list li { min-height: 50vh; padding: 4vw; display: grid; grid-template-columns: 80px 1fr; grid-template-rows: auto 1fr auto; border-bottom: 1px solid var(--ink); }
.signal-list li:last-child { border-bottom: 0; }
.signal-num { font: 700 .8rem/1 monospace; }
.signal-list h3 { margin: 0; align-self: start; font-size: clamp(3rem, 7vw, 8rem); line-height: .8; letter-spacing: -.08em; text-transform: uppercase; }
.signal-list p { grid-column: 2; align-self: end; max-width: 560px; margin: 70px 0 28px; font-size: 1.15rem; }
.signal-list small { grid-column: 2; padding-top: 15px; border-top: 1px solid rgba(9,9,9,.3); font: 700 .67rem/1 monospace; letter-spacing: .1em; }

.micrograph { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
.micro-copy { padding: 7vw 5vw; display: flex; flex-direction: column; justify-content: center; border-right: 1px solid var(--line); }
.micro-copy .kicker { color: var(--signal); }
.micro-copy h2 { max-width: 750px; margin: 0 0 42px; font-size: clamp(3.2rem, 6.5vw, 7.5rem); line-height: .88; letter-spacing: -.075em; text-transform: uppercase; }
.micro-copy > p:not(.kicker) { max-width: 560px; color: rgba(239,239,233,.72); font-size: 1.08rem; }
.micro-copy dl { margin: 70px 0 0; border-top: 1px solid var(--line); }
.micro-copy dl div { padding: 14px 0; display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--line); }
.micro-copy dt { font: 700 .68rem/1 monospace; letter-spacing: .09em; }
.micro-copy dd { margin: 0; text-align: right; }
.micrograph figure { position: relative; min-width: 0; margin: 0; overflow: hidden; background: var(--signal); }
.micrograph figure img { width: 100%; height: 100%; object-fit: cover; transition: filter .4s ease; }
body[data-spectrum="violet"] .micrograph figure img { filter: hue-rotate(46deg) saturate(1.25); }
body[data-spectrum="orange"] .micrograph figure img { filter: hue-rotate(-55deg) saturate(1.35); }
.micrograph figcaption { position: absolute; right: 20px; bottom: 20px; padding: 8px 10px; color: var(--ink); background: var(--signal); font: 700 .66rem/1 monospace; letter-spacing: .08em; }

.spectrum { min-height: 82vh; display: grid; grid-template-columns: 16% 1fr 32%; color: var(--ink); background: var(--signal); transition: background .35s ease; border-block: 1px solid var(--ink); }
.spectrum-code { padding: 4vw 2vw; font-size: clamp(2rem, 5vw, 6rem); font-weight: 900; line-height: .76; letter-spacing: -.08em; writing-mode: vertical-rl; transform: rotate(180deg); border-left: 1px solid var(--ink); }
.spectrum-main { padding: 7vw 5vw; border-inline: 1px solid var(--ink); }
.spectrum-main h2 { margin: 0; font-size: clamp(3rem, 7vw, 8.5rem); line-height: .82; letter-spacing: -.085em; text-transform: uppercase; }
.spectrum-main > p:not(.kicker) { max-width: 610px; margin: 42px 0; font-size: 1.1rem; }
.spectrum-controls { display: flex; flex-wrap: wrap; gap: 8px; }
.spectrum-controls button { padding: 13px 17px; display: inline-flex; align-items: center; gap: 9px; color: var(--ink); background: transparent; border: 1px solid var(--ink); cursor: pointer; font: 700 .72rem/1 monospace; }
.spectrum-controls button.is-active { color: var(--paper); background: var(--ink); }
.spectrum-controls i { width: 10px; height: 10px; border: 1px solid currentColor; border-radius: 50%; }
.spectrum-controls .is-active i { background: currentColor; }
.spectrum-output { padding: 3vw; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; }
.spectrum-output span { font: 900 clamp(2rem, 6vw, 7rem)/.8 monospace; letter-spacing: -.09em; }
.pulse { align-self: center; width: min(23vw, 320px); aspect-ratio: 1; border: 1px solid var(--ink); border-radius: 50%; box-shadow: 0 0 0 3vw transparent, 0 0 0 3vw var(--ink), 0 0 0 6vw transparent, 0 0 0 6.1vw var(--ink); animation: pulse 3s ease-in-out infinite; }
@keyframes pulse { 50% { transform: scale(.78); } }

.protocol { color: var(--ink); background: var(--paper); }
.protocol header { min-height: 62vh; padding: 7vw 5vw; display: flex; flex-direction: column; justify-content: space-between; border-bottom: 1px solid var(--ink); }
.protocol header h2 { max-width: 1100px; margin: 0; font-size: clamp(3rem, 8vw, 9rem); line-height: .84; letter-spacing: -.09em; text-transform: uppercase; }
.protocol ol { margin: 0; padding: 0 5vw; list-style: none; }
.protocol li { padding: 32px 0; display: grid; grid-template-columns: 28% 1fr; gap: 5vw; border-bottom: 1px solid var(--ink); }
.protocol li span { font: 700 .72rem/1.2 monospace; letter-spacing: .09em; }
.protocol li p { max-width: 750px; margin: 0; font-size: clamp(1.25rem, 2.1vw, 2rem); line-height: 1.25; }

.ethics { min-height: 92vh; padding: 6vw 5vw; display: flex; flex-direction: column; justify-content: space-between; background: var(--violet); }
.ethics h2 { margin: 70px 0; color: var(--acid); font-size: clamp(3.8rem, 10vw, 11rem); line-height: .78; letter-spacing: -.095em; text-transform: uppercase; }
.ethics > div { display: grid; grid-template-columns: 1fr auto; gap: 9vw; align-items: end; }
.ethics > div p { max-width: 650px; margin: 0; font-size: 1.05rem; }
.ethics a { padding-bottom: 8px; text-decoration: none; border-bottom: 1px solid currentColor; font: 700 .72rem/1 monospace; letter-spacing: .08em; }

.footer { padding: 50px 24px; display: grid; grid-template-columns: 1.1fr 1.4fr 1fr auto; gap: 4vw; align-items: start; border-top: 1px solid var(--line); }
.footer-mark { font-size: 1.3rem; font-weight: 900; letter-spacing: -.05em; }
.footer-mark span { color: var(--signal); }
.footer p { max-width: 440px; margin: 0; color: rgba(239,239,233,.58); font-size: .8rem; }
.footer nav { display: grid; gap: 9px; }
.footer button { padding: 0; width: fit-content; color: var(--paper); background: none; border: 0; border-bottom: 1px solid rgba(239,239,233,.4); cursor: pointer; text-align: left; font-size: .78rem; }
.footer small { font: 700 .65rem/1.4 monospace; color: rgba(239,239,233,.55); }

.legal-dialog { width: min(760px, calc(100% - 28px)); max-height: 88vh; padding: 0; color: var(--ink); background: var(--paper); border: 1px solid var(--ink); }
.legal-dialog::backdrop { background: rgba(123,44,255,.72); backdrop-filter: blur(6px); }
.dialog-head { position: sticky; top: 0; z-index: 2; padding: 17px 20px; display: flex; justify-content: space-between; align-items: center; background: var(--signal); border-bottom: 1px solid var(--ink); }
.dialog-head h2 { margin: 0; font-size: 1rem; text-transform: uppercase; }
.dialog-head button { width: 34px; height: 34px; color: var(--ink); background: transparent; border: 1px solid var(--ink); cursor: pointer; font-size: 1.4rem; line-height: 1; }
.dialog-body { padding: 30px 24px 40px; }
.dialog-body h3 { margin-top: 30px; font-size: 1rem; text-transform: uppercase; }
.dialog-body p { color: #262626; }

@media (max-width: 900px) {
  .scanner { grid-template-columns: 8vw 1fr; grid-template-rows: 1fr auto auto; }
  .scanner-title { grid-column: 2; padding-right: 20px; }
  .scanner h1 { font-size: clamp(4.2rem, 15vw, 8rem); }
  .scanner h1 span:nth-child(2), .scanner h1 em { margin-left: 0; }
  .scan-figure { width: 66vw; opacity: .72; }
  .scanner-note { grid-column: 2; padding-right: 24px; }
  .scroll-cue { grid-column: 2; }
  .signals { grid-template-columns: 1fr; }
  .signals-head { position: relative; top: 0; height: auto; min-height: 62vh; }
  .micrograph { grid-template-columns: 1fr; }
  .micrograph figure { min-height: 80vw; order: -1; }
  .spectrum { grid-template-columns: 95px 1fr; }
  .spectrum-main { border-right: 0; }
  .spectrum-output { grid-column: 1 / 3; min-height: 300px; border-top: 1px solid var(--ink); }
  .pulse { width: 180px; }
  .footer { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .topbar { grid-template-columns: 1fr auto; }
  .wordmark { padding-inline: 16px; }
  .status { display: none; }
  .nav-toggle { padding-inline: 16px; gap: 22px; }
  .scanner { min-height: 860px; grid-template-columns: 24px 1fr; }
  .scanner-grid { background-size: 48px 48px; }
  .axis-x { left: 42px; }
  .axis-y { left: 7px; }
  .scanner-title { align-self: start; padding-top: 100px; }
  .scanner h1 { font-size: clamp(3.7rem, 19vw, 6rem); line-height: .8; }
  .scan-figure { top: 250px; width: 88vw; height: 460px; border-top: 1px solid var(--line); }
  .scanner-note { padding-bottom: 24px; }
  .ticker { height: 58px; }
  .ticker div { font-size: 1.5rem; }
  .signals-head { min-height: 560px; padding: 70px 20px 36px; }
  .signals-head h2 { font-size: clamp(3rem, 15vw, 5rem); }
  .signal-list li { min-height: 430px; padding: 32px 20px; grid-template-columns: 42px 1fr; }
  .signal-list h3 { font-size: 3.3rem; }
  .signal-list p { margin-top: 50px; font-size: 1rem; }
  .micro-copy { padding: 80px 20px; }
  .micro-copy h2 { font-size: 3.3rem; }
  .spectrum { grid-template-columns: 55px 1fr; }
  .spectrum-code { font-size: 2rem; }
  .spectrum-main { padding: 80px 20px; }
  .spectrum-main h2 { font-size: 3.35rem; }
  .spectrum-output { min-height: 240px; }
  .protocol header { min-height: 600px; padding: 70px 20px 38px; }
  .protocol header h2 { font-size: 3.45rem; }
  .protocol ol { padding: 0 20px; }
  .protocol li { grid-template-columns: 1fr; gap: 20px; }
  .protocol li p { font-size: 1.1rem; }
  .ethics { min-height: 760px; padding: 60px 20px 38px; }
  .ethics h2 { font-size: 3.65rem; }
  .ethics > div { grid-template-columns: 1fr; }
  .ethics a { width: fit-content; }
  .footer { grid-template-columns: 1fr; gap: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ticker div, .pulse { animation: none; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}