:root {
  color-scheme: dark;
  --bg: #101410;
  --panel: #171d18;
  --panel-2: #202821;
  --paper: #edf0e3;
  --ink: #162018;
  --muted: #9aa598;
  --line: #354136;
  --signal: #b8f35a;
  --warning: #ffbd59;
  --error: #ff6b62;
  --display: "Arial Narrow", "Roboto Condensed", "Helvetica Neue", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

[hidden] { display: none !important; }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--paper); font-family: var(--display); }
button, input, textarea { font: inherit; }
a { color: inherit; }

.site-header { min-height: 76px; padding: 14px clamp(20px, 4vw, 64px); border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 32px; position: sticky; top: 0; z-index: 10; background: rgba(16,20,16,.94); backdrop-filter: blur(10px); }
.brand { display: inline-flex; align-items: center; gap: 10px; text-transform: uppercase; text-decoration: none; font: 800 13px/1.05 var(--mono); letter-spacing: .08em; }
.brand-mark { display: grid; place-items: center; width: 38px; aspect-ratio: 1; color: var(--ink); background: var(--signal); border-radius: 50%; letter-spacing: -.08em; }
nav { display: flex; gap: 26px; margin-left: auto; }
nav a, footer a { color: var(--muted); text-decoration: none; font: 600 13px var(--mono); }
nav a:hover, footer a:hover { color: var(--signal); }
.prototype-chip { color: var(--warning); border: 1px solid currentColor; padding: 7px 9px; font: 700 10px var(--mono); letter-spacing: .09em; }

.hero { min-height: 680px; padding: clamp(68px, 10vw, 124px) clamp(20px, 6vw, 96px); display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr); gap: clamp(48px, 8vw, 120px); align-items: center; background-image: linear-gradient(rgba(184,243,90,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(184,243,90,.035) 1px, transparent 1px); background-size: 48px 48px; }
.eyebrow { margin: 0 0 18px; color: var(--signal); font: 800 11px var(--mono); letter-spacing: .16em; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 870px; margin-bottom: 26px; font-size: clamp(54px, 7vw, 104px); line-height: .88; letter-spacing: -.055em; text-transform: uppercase; }
.hero-subhead { max-width: 700px; color: #c9d0c3; font-size: clamp(18px, 2vw, 23px); line-height: 1.5; }
.hero-actions { display: flex; gap: 12px; margin: 34px 0; flex-wrap: wrap; }
.button { min-height: 48px; padding: 0 20px; border: 1px solid var(--paper); background: transparent; color: var(--paper); display: inline-flex; align-items: center; justify-content: center; text-decoration: none; cursor: pointer; font: 800 12px var(--mono); letter-spacing: .04em; text-transform: uppercase; transition: transform .16s, background .16s, color .16s; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--signal); color: var(--ink); border-color: var(--signal); }
.button-ghost:hover { color: var(--signal); border-color: var(--signal); }
.button-small { min-height: 38px; padding: 0 12px; font-size: 10px; }
.button-dark { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.full-width { width: 100%; }
.boundary-list { margin: 0; padding: 0; display: flex; gap: 14px 26px; flex-wrap: wrap; color: var(--muted); list-style: none; font: 11px/1.5 var(--mono); }
.boundary-list li::before { content: "✓"; margin-right: 7px; color: var(--signal); }

.signal-board { border: 1px solid #4a594b; background: #111711; box-shadow: 18px 18px 0 #202820; transform: rotate(1deg); }
.signal-board-header { display: flex; justify-content: space-between; padding: 13px 16px; border-bottom: 1px solid var(--line); color: var(--muted); font: 10px var(--mono); }
.wave { height: 170px; padding: 22px; display: flex; align-items: center; justify-content: space-between; gap: 5px; border-bottom: 1px solid var(--line); }
.wave span { width: 2px; height: 22%; background: var(--signal); box-shadow: 0 0 12px rgba(184,243,90,.35); }
.wave span:nth-child(3n) { height: 74%; }.wave span:nth-child(4n) { height: 44%; }.wave span:nth-child(7n) { height: 92%; }.wave span:nth-child(11n) { height: 58%; }
.signal-stats { margin: 0; display: grid; grid-template-columns: repeat(3,1fr); border-bottom: 1px solid var(--line); }
.signal-stats div { padding: 16px; border-right: 1px solid var(--line); }.signal-stats div:last-child { border: 0; }
.signal-stats dt { color: var(--muted); font: 10px var(--mono); }.signal-stats dd { margin: 8px 0 0; font: 800 28px var(--mono); }
.terminal-lines { padding: 18px; color: #b8c2b4; font: 10px/1.6 var(--mono); }.terminal-lines p { margin-bottom: 5px; }
.warning-text { color: var(--warning) !important; }.good-text { color: var(--signal) !important; }

.download-section { padding: 86px clamp(20px, 6vw, 96px); display: grid; grid-template-columns: minmax(0,1fr) minmax(340px,.75fr); gap: clamp(40px,8vw,120px); align-items: center; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #121812; }
.download-section h2 { margin-bottom: 18px; font-size: clamp(42px,6vw,78px); line-height: .94; letter-spacing: -.045em; text-transform: uppercase; }
.download-section > div > p:not(.eyebrow):not(.download-meta) { max-width: 690px; color: #c9d0c3; font-size: 18px; line-height: 1.55; }
.download-section .button { margin-top: 16px; }.download-meta { margin: 12px 0 0; color: var(--muted); font: 10px/1.5 var(--mono); text-transform: uppercase; }
.install-card { padding: 28px; border: 1px solid var(--line); background: var(--panel); box-shadow: 12px 12px 0 #202820; }
.install-card > span { color: var(--signal); font: 800 10px var(--mono); letter-spacing: .12em; }.install-card ol { margin: 24px 0; padding-left: 22px; }.install-card li { margin: 0 0 16px; padding-left: 8px; color: #d8ded2; line-height: 1.5; }.install-card p { margin: 0; color: var(--muted); font: 10px/1.55 var(--mono); }code { font-family: var(--mono); }

.scanner-section { padding: 100px clamp(20px, 6vw, 96px); background: var(--paper); color: var(--ink); }
.section-heading { max-width: 900px; margin-bottom: 42px; }.section-heading.compact { margin-bottom: 28px; }
.section-heading h2, .interest-section h2 { margin-bottom: 18px; font-size: clamp(40px, 5vw, 72px); line-height: .96; letter-spacing: -.045em; text-transform: uppercase; }
.section-heading > p:last-child { max-width: 680px; color: #546054; font-size: 17px; line-height: 1.55; }
.tool-shell { display: grid; grid-template-columns: minmax(250px, 330px) minmax(0,1fr); min-height: 620px; border: 1px solid #233024; background: var(--bg); color: var(--paper); box-shadow: 16px 16px 0 #cad0c2; }
.tool-controls { padding: 22px; border-right: 1px solid var(--line); background: var(--panel); }
.drop-zone { min-height: 230px; padding: 26px; border: 1px dashed #627062; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; text-align: center; cursor: pointer; transition: border .15s, background .15s; }
.drop-zone:hover, .drop-zone.is-dragging { border-color: var(--signal); background: rgba(184,243,90,.06); }.drop-zone input { position: absolute; opacity: 0; pointer-events: none; }.drop-zone strong { font: 800 15px var(--mono); }.drop-zone span:not(.drop-icon) { color: var(--muted); font: 11px var(--mono); }.drop-icon { display: grid; place-items: center; width: 46px; height: 46px; margin-bottom: 6px; border: 1px solid var(--signal); border-radius: 50%; color: var(--signal); font-size: 28px; }
.field-label { display: block; margin: 22px 0 8px; font: 700 10px var(--mono); text-transform: uppercase; letter-spacing: .1em; }
.text-input { width: 100%; border: 1px solid #566256; background: #0f140f; color: var(--paper); padding: 12px 13px; border-radius: 0; font: 13px/1.5 var(--mono); }.text-input:focus { outline: 2px solid var(--signal); outline-offset: 1px; }.text-input.light { background: transparent; color: var(--ink); border-color: #7a8779; }
.tool-controls .button { margin-top: 14px; }.local-note { margin: 18px 0 0; color: var(--muted); font: 10px/1.55 var(--mono); }
.tool-output { min-width: 0; padding: 28px; }
.empty-state { min-height: 560px; display: grid; place-content: center; text-align: center; color: var(--muted); }.empty-index { color: var(--line); font: 900 110px/1 var(--mono); }.empty-state h3 { margin: 8px 0; color: var(--paper); font-size: 30px; text-transform: uppercase; }.empty-state p { max-width: 480px; line-height: 1.5; }
.results-header { display: flex; justify-content: space-between; align-items: start; }.results-mode { color: var(--signal); font: 800 9px var(--mono); letter-spacing: .15em; }.results-header h3 { margin: 8px 0 22px; font-size: 30px; text-transform: uppercase; }.text-button { border: 0; background: 0; color: var(--muted); cursor: pointer; text-decoration: underline; font: 11px var(--mono); }
.metric-strip { display: grid; grid-template-columns: repeat(4,1fr); border: 1px solid var(--line); }.metric-strip div { padding: 14px; border-right: 1px solid var(--line); }.metric-strip div:last-child { border: 0; }.metric-strip span { display: block; color: var(--muted); font: 9px var(--mono); text-transform: uppercase; }.metric-strip strong { display: block; margin-top: 5px; font: 800 24px var(--mono); }
.export-bar { display: flex; gap: 8px; flex-wrap: wrap; margin: 18px 0; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); }table { width: 100%; border-collapse: collapse; min-width: 720px; }th,td { padding: 12px; border-bottom: 1px solid var(--line); text-align: left; font: 10px/1.4 var(--mono); }th { color: var(--muted); background: var(--panel); text-transform: uppercase; }tbody tr:last-child td { border-bottom: 0; }.file-name { color: var(--paper); }.status-pill { display: inline-block; padding: 3px 6px; border: 1px solid var(--line); }.status-pill.warning { color: var(--warning); border-color: var(--warning); }.status-pill.pass { color: var(--signal); border-color: var(--signal); }
.group-list { margin-top: 18px; display: grid; gap: 8px; }.group-item { padding: 12px; border-left: 3px solid var(--signal); background: var(--panel); display: flex; justify-content: space-between; gap: 20px; font: 10px var(--mono); }.group-item span { color: var(--muted); }
.error-list { margin-top: 14px; padding: 14px; color: #ffd5d1; border: 1px solid var(--error); font: 11px/1.5 var(--mono); }

.how-section { padding: 100px clamp(20px, 6vw, 96px); }.how-section .section-heading { color: var(--paper); }
.steps { list-style: none; margin: 44px 0 0; padding: 0; border-top: 1px solid var(--line); }.steps li { display: grid; grid-template-columns: 100px 1fr; gap: 30px; padding: 30px 0; border-bottom: 1px solid var(--line); }.steps > li > span { color: var(--signal); font: 800 14px var(--mono); }.steps h3 { margin-bottom: 7px; font-size: 26px; text-transform: uppercase; }.steps p { margin: 0; color: var(--muted); font-size: 16px; }

.interest-section { padding: 100px clamp(20px, 6vw, 96px); background: var(--warning); color: var(--ink); display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(40px, 8vw, 120px); }.interest-section .eyebrow { color: var(--ink); }.interest-section > div > p:last-child { max-width: 560px; font-size: 18px; line-height: 1.5; }
.interest-form { padding: 28px; border: 2px solid var(--ink); background: rgba(255,255,255,.18); }.interest-form fieldset { border: 0; padding: 0; margin: 0 0 16px; }.interest-form legend { margin-bottom: 10px; font: 800 10px var(--mono); letter-spacing: .1em; text-transform: uppercase; }.interest-form fieldset label { display: inline-block; margin: 0 8px 8px 0; }.interest-form fieldset input { position: absolute; opacity: 0; }.interest-form fieldset span { display: block; padding: 10px 12px; border: 1px solid var(--ink); cursor: pointer; font: 700 11px var(--mono); }.interest-form fieldset input:checked + span { background: var(--ink); color: var(--warning); }.interest-form .button { margin-top: 18px; }.form-status { margin: 12px 0 0; font: 10px/1.5 var(--mono); }
.consent { display: flex; gap: 10px; margin-top: 18px; align-items: flex-start; font: 10px/1.5 var(--mono); }.consent input { margin-top: 2px; accent-color: var(--ink); }.consent span { display: block; }

footer { padding: 24px clamp(20px, 6vw, 96px); display: flex; justify-content: space-between; gap: 24px; border-top: 1px solid var(--line); color: var(--muted); font: 10px/1.5 var(--mono); }footer p { margin: 0; }footer div { display: flex; gap: 18px; }

@media (max-width: 900px) {
  nav { display: none; }.prototype-chip { margin-left: auto; }
  .hero { grid-template-columns: 1fr; }.signal-board { transform: none; max-width: 620px; }
  .tool-shell { grid-template-columns: 1fr; }.tool-controls { border-right: 0; border-bottom: 1px solid var(--line); }.drop-zone { min-height: 180px; }
  .interest-section, .download-section { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .site-header { min-height: 66px; }.brand { font-size: 10px; }.brand-mark { width: 32px; }.prototype-chip { font-size: 8px; padding: 6px; }
  h1 { font-size: 52px; }.hero { padding-top: 70px; }.hero-actions { flex-direction: column; }.hero-actions .button { width: 100%; }
  .signal-board { box-shadow: 8px 8px 0 #202820; }.signal-stats dd { font-size: 20px; }
  .scanner-section, .how-section, .interest-section, .download-section { padding: 72px 18px; }.section-heading h2, .interest-section h2, .download-section h2 { font-size: 42px; }
  .tool-output, .tool-controls, .interest-form { padding: 18px; }.metric-strip { grid-template-columns: repeat(2,1fr); }.metric-strip div:nth-child(2) { border-right: 0; }.metric-strip div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .steps li { grid-template-columns: 48px 1fr; gap: 14px; }.group-item { flex-direction: column; gap: 5px; }
  footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; }.button { transition: none; } }