@font-face {
  font-family: Archivo;
  src: url('/assets/archivo-variable.woff2') format('woff2');
  font-weight: 300 900;
  font-stretch: 62% 125%;
  font-display: swap;
}

@font-face {
  font-family: Mono;
  src: url('/assets/jetbrains-mono.woff2') format('woff2');
  font-weight: 300 500;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --bg: #09090a;
  --panel: #111113;
  --panel-raised: #151517;
  --text: #f2f0ec;
  --muted: #929298;
  --quiet: #626268;
  --line: rgba(242, 240, 236, .13);
  --red: #e11b22;
  --green: #62c888;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { background: var(--bg); scroll-behavior: smooth; }
body { min-height: 100vh; margin: 0; overflow-x: clip; background: var(--bg); color: var(--text); font-family: Archivo, system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
button, input { font: inherit; }
button, label { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, label:focus-within { outline: 2px solid var(--red); outline-offset: 4px; }
::selection { background: var(--red); color: white; }

.site-header {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 11px clamp(16px, 4vw, 40px);
  border-bottom: 1px solid var(--line);
  background: rgba(9, 9, 10, .92);
}

.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; text-transform: uppercase; font-weight: 800; letter-spacing: .04em; }
.brand img { width: 49px; height: 31px; object-fit: cover; object-position: center 43%; }
.brand em { color: #77777d; font-style: normal; font-weight: 300; }
.back-link { font: 9px Mono, monospace; letter-spacing: .14em; text-decoration: none; text-transform: uppercase; color: #88888e; }
.back-link span { margin-left: 8px; color: var(--red); }

main { width: min(100%, 1560px); margin: 0 auto; padding: 0 clamp(16px, 4vw, 42px); }
.intro { min-height: 490px; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr); align-items: end; gap: clamp(40px, 8vw, 130px); padding: clamp(75px, 10vw, 145px) 0 clamp(55px, 7vw, 95px); border-bottom: 1px solid var(--line); }
.eyebrow, .section-number { font: 9px Mono, monospace; letter-spacing: .18em; text-transform: uppercase; color: var(--red); }
h1 { margin: 27px 0 0; font-size: clamp(72px, 11.5vw, 178px); line-height: .77; font-weight: 830; font-stretch: 63%; letter-spacing: -.055em; text-transform: uppercase; }
h1 span { color: transparent; -webkit-text-stroke: 1px rgba(242, 240, 236, .48); }
.intro-copy { align-self: end; padding-bottom: 10px; }
.intro-copy p { max-width: 48ch; margin: 0 0 26px; color: #aaa9a5; font-size: clamp(16px, 1.6vw, 21px); line-height: 1.55; text-wrap: pretty; }
.local-badge { display: inline-flex; align-items: center; gap: 10px; font: 9px Mono, monospace; letter-spacing: .12em; text-transform: uppercase; color: #8f8f94; }
.local-badge i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 18px rgba(98, 200, 136, .55); }

.lab { padding: clamp(58px, 8vw, 105px) 0 34px; }
.lab-heading-row { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 24px; }
.lab-heading-row h2, .method h2 { margin: 12px 0 0; font-size: clamp(37px, 5vw, 68px); line-height: .9; font-weight: 800; font-stretch: 67%; text-transform: uppercase; }
.lab-heading-row p { margin: 0 0 4px; color: var(--quiet); font: 9px Mono, monospace; letter-spacing: .1em; text-transform: uppercase; }
.drop-zone { min-height: 320px; position: relative; display: grid; place-content: center; justify-items: center; gap: 15px; overflow: hidden; border: 1px dashed #4e4e54; background: linear-gradient(135deg, #101012, #0c0c0d); cursor: pointer; text-align: center; transition: border-color .18s ease, background .18s ease; }
.drop-zone:hover, .drop-zone.is-dragging { border-color: var(--red); background: rgba(225, 27, 34, .035); }
.drop-zone input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.drop-icon { width: 54px; height: 54px; display: grid; place-items: center; border: 1px solid rgba(225, 27, 34, .58); color: var(--red); font: 300 27px Mono, monospace; }
.drop-copy { display: grid; gap: 8px; }
.drop-copy strong { font-size: 24px; font-weight: 780; font-stretch: 72%; text-transform: uppercase; }
.drop-copy small, .drop-local { color: #737379; font: 9px Mono, monospace; letter-spacing: .08em; }
.drop-local { position: absolute; right: 18px; bottom: 16px; text-transform: uppercase; }
.error-message { margin: 12px 0 0; padding: 13px 15px; border: 1px solid rgba(225, 27, 34, .5); color: #ef8b8e; font-size: 13px; }

.workspace { display: grid; grid-template-columns: minmax(280px, .62fr) minmax(0, 1.38fr); border: 1px solid var(--line); background: var(--panel); margin: 30px 0 clamp(70px, 10vw, 140px); }
.control-panel { padding: clamp(24px, 3vw, 38px); border-right: 1px solid var(--line); }
.control-heading { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-bottom: 25px; }
.text-button { padding: 0; border: 0; background: none; color: #838389; cursor: pointer; font: 9px Mono, monospace; letter-spacing: .1em; text-transform: uppercase; }
.text-button:hover { color: var(--text); }
.platform-tabs { display: grid; gap: 8px; }
.platform-tab { min-height: 72px; display: grid; grid-template-columns: 42px minmax(0, 1fr); align-items: center; gap: 13px; padding: 12px 14px; border: 1px solid var(--line); background: #101012; color: var(--text); cursor: pointer; text-align: left; transition: border-color .15s ease, background .15s ease; }
.platform-tab:hover { border-color: rgba(242, 240, 236, .3); }
.platform-tab.is-active { border-color: var(--red); background: rgba(225, 27, 34, .075); }
.platform-mark { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid rgba(225, 27, 34, .46); color: var(--red); font: 9px Mono, monospace; letter-spacing: .06em; }
.platform-tab > span:last-child { min-width: 0; display: grid; gap: 3px; }
.platform-tab strong { font-size: 17px; font-stretch: 75%; text-transform: uppercase; }
.platform-tab small { color: #6f6f75; font: 8px Mono, monospace; letter-spacing: .1em; text-transform: uppercase; }
.sub-modes { margin-top: 18px; padding: 15px; border: 1px solid var(--line); }
.sub-modes > span { display: block; margin-bottom: 10px; color: #78787e; font: 8px Mono, monospace; letter-spacing: .12em; text-transform: uppercase; }
.sub-modes > div { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.sub-modes button { min-height: 36px; border: 1px solid var(--line); background: transparent; color: #85858b; cursor: pointer; font: 8px Mono, monospace; letter-spacing: .1em; text-transform: uppercase; }
.sub-modes button.is-active { border-color: var(--red); background: var(--red); color: #080809; font-weight: 700; }
.strength-control { display: grid; gap: 12px; margin-top: 26px; }
.strength-control > span:first-child, .view-controls label { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.strength-control strong, .view-controls label span { font-size: 13px; text-transform: uppercase; }
.strength-control output, .view-controls output { color: var(--red); font: 8px Mono, monospace; letter-spacing: .08em; }
input[type="range"] { width: 100%; accent-color: var(--red); cursor: pointer; }
.range-scale { display: flex; justify-content: space-between; color: #5e5e64; font: 8px Mono, monospace; text-transform: uppercase; }
.profile-note { display: grid; gap: 8px; margin-top: 28px; padding-top: 23px; border-top: 1px solid var(--line); }
.profile-note span { color: var(--red); font: 8px Mono, monospace; letter-spacing: .13em; text-transform: uppercase; }
.profile-note strong { font-size: 21px; font-stretch: 72%; text-transform: uppercase; }
.profile-note p { min-height: 5.2em; margin: 0; color: #7f7f85; font-size: 12px; line-height: 1.55; }

.comparison-panel { min-width: 0; padding: clamp(24px, 3.2vw, 46px); }
.comparison-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.comparison-toolbar > div { min-width: 0; display: grid; gap: 8px; }
.comparison-toolbar strong { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; font: 9px Mono, monospace; letter-spacing: .08em; color: #aaa9a6; }
.processing-state { flex: none; color: var(--green); font: 8px Mono, monospace; letter-spacing: .1em; text-transform: uppercase; }
.processing-state.is-busy { color: var(--red); }
.compare-shell { min-height: 280px; display: grid; place-items: center; overflow: hidden; border: 1px solid #29292d; background-color: #080809; background-image: linear-gradient(45deg, #101012 25%, transparent 25%), linear-gradient(-45deg, #101012 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #101012 75%), linear-gradient(-45deg, transparent 75%, #101012 75%); background-size: 18px 18px; background-position: 0 0, 0 9px, 9px -9px, -9px 0; }
.compare-stage { position: relative; flex: none; overflow: hidden; touch-action: none; user-select: none; cursor: default; }
.compare-stage.is-zoomed { cursor: grab; }
.compare-stage.is-panning { cursor: grabbing; }
.image-plane, .result-mask { position: absolute; inset: 0; }
.image-plane { transform-origin: 50% 50%; will-change: transform; }
.result-mask { overflow: hidden; pointer-events: none; }
.image-plane canvas { display: block; width: 100%; height: 100%; }
.compare-line { position: absolute; z-index: 5; top: 0; bottom: 0; left: 50%; width: 1px; background: rgba(255, 255, 255, .92); pointer-events: none; }
.compare-line span { position: absolute; top: 50%; left: 50%; width: 42px; height: 42px; display: grid; place-items: center; transform: translate(-50%, -50%); border: 1px solid rgba(255, 255, 255, .55); border-radius: 50%; background: rgba(9, 9, 10, .86); color: white; font: 13px Mono, monospace; }
.stage-label { position: absolute; z-index: 6; top: 12px; padding: 7px 9px; background: rgba(9, 9, 10, .74); font: 8px Mono, monospace; letter-spacing: .11em; text-transform: uppercase; }
.stage-label-original { left: 12px; color: white; }
.stage-label-result { right: 12px; color: var(--red); }
.compare-range { display: grid; grid-template-columns: auto minmax(80px, 1fr) auto; align-items: center; gap: 14px; margin-top: 16px; color: #76767c; font: 8px Mono, monospace; letter-spacing: .1em; text-transform: uppercase; }
.view-controls { display: grid; grid-template-columns: minmax(180px, 1fr) auto; gap: 10px 18px; align-items: center; margin-top: 24px; padding: 18px; border: 1px solid var(--line); background: #0e0e10; }
.view-controls label { grid-column: 1 / -1; }
.view-controls button { min-height: 34px; padding: 0 13px; border: 1px solid var(--line); background: transparent; color: #96969c; cursor: pointer; font: 8px Mono, monospace; letter-spacing: .08em; text-transform: uppercase; }
.view-controls small { grid-column: 1 / -1; color: #5f5f65; font: 8px Mono, monospace; }
.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 14px; border: 1px solid var(--line); }
.metric-grid article { min-width: 0; display: grid; align-content: space-between; min-height: 116px; padding: 16px; border-right: 1px solid var(--line); }
.metric-grid article:last-child { border-right: 0; }
.metric-grid span { color: #717177; font: 8px Mono, monospace; letter-spacing: .11em; text-transform: uppercase; }
.metric-grid strong { margin: 12px 0 5px; overflow: hidden; font-size: clamp(20px, 2.4vw, 34px); line-height: 1; font-stretch: 68%; text-overflow: ellipsis; }
.metric-grid small { color: #64646a; font-size: 9px; line-height: 1.35; }
.result-actions { display: grid; grid-template-columns: auto minmax(220px, 1fr); align-items: center; gap: 22px; margin-top: 14px; }
.result-actions button { min-height: 49px; padding: 0 18px; border: 1px solid var(--red); background: var(--red); color: #080809; cursor: pointer; font: 700 8px Mono, monospace; letter-spacing: .11em; text-transform: uppercase; }
.result-actions button:disabled { opacity: .38; cursor: not-allowed; }
.result-actions button span { margin-left: 14px; }
.result-actions p { margin: 0; color: #66666c; font-size: 9px; line-height: 1.5; }

.method { display: grid; grid-template-columns: minmax(260px, .75fr) minmax(320px, 1.25fr); gap: clamp(45px, 8vw, 125px); padding: 0 0 clamp(75px, 10vw, 140px); }
.method-copy > p { margin: 0; max-width: 74ch; color: #8d8d93; font-size: 14px; line-height: 1.72; }
.source-links { display: grid; gap: 0; margin-top: 25px; border-top: 1px solid var(--line); }
.source-links a { padding: 13px 0; border-bottom: 1px solid var(--line); color: #a1a1a6; text-decoration: none; font: 8px Mono, monospace; letter-spacing: .09em; text-transform: uppercase; }
.source-links a:hover { color: var(--red); }

footer { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 25px; padding: 18px clamp(16px, 4vw, 40px); border-top: 1px solid var(--line); color: #606066; font: 8px Mono, monospace; letter-spacing: .12em; text-transform: uppercase; }
footer nav { display: flex; flex-wrap: wrap; gap: 20px; }
footer a { color: #77777d; text-decoration: none; }
footer a:hover { color: var(--text); }

@media (max-width: 980px) {
  .intro { grid-template-columns: 1fr; min-height: 0; gap: 36px; }
  .workspace { grid-template-columns: 1fr; }
  .control-panel { border-right: 0; border-bottom: 1px solid var(--line); }
  .platform-tabs { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .platform-tab { grid-template-columns: 1fr; justify-items: start; }
  .profile-note p { min-height: 0; }
}

@media (max-width: 680px) {
  .site-header { min-height: 60px; padding: 8px 14px; }
  .brand span { display: none; }
  .brand img { width: 46px; }
  main { padding-inline: 15px; }
  .intro { padding: 62px 0 48px; }
  h1 { font-size: clamp(54px, 16.5vw, 72px); }
  .intro-copy p { font-size: 16px; }
  .lab-heading-row { align-items: start; flex-direction: column; gap: 12px; }
  .drop-zone { min-height: 285px; padding: 45px 18px 60px; }
  .drop-local { left: 15px; right: 15px; text-align: center; }
  .workspace { margin-inline: -15px; border-left: 0; border-right: 0; }
  .control-panel, .comparison-panel { padding: 22px 15px; }
  .platform-tabs { grid-template-columns: 1fr; }
  .platform-tab { min-height: 65px; grid-template-columns: 40px minmax(0, 1fr); }
  .compare-shell { min-height: 250px; }
  .stage-label { top: 8px; }
  .stage-label-original { left: 8px; }
  .stage-label-result { right: 8px; }
  .view-controls { grid-template-columns: 1fr; }
  .view-controls button { min-height: 42px; }
  .metric-grid { grid-template-columns: 1fr 1fr; }
  .metric-grid article:nth-child(2) { border-right: 0; }
  .metric-grid article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .result-actions { grid-template-columns: 1fr; }
  .result-actions button { width: 100%; }
  .method { grid-template-columns: 1fr; gap: 28px; }
  footer { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}