:root {
  --bg: #071412;
  --surface: #0d1d1a;
  --surface-2: #112520;
  --line: #244238;
  --text: #edf8f2;
  --muted: #9eb7ad;
  --mint: #79f2b3;
  --lime: #c8f56d;
  --amber: #ffc766;
  --red: #ff7b78;
  --blue: #79c7ff;
  --shadow: 0 24px 70px rgba(0,0,0,.32);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: radial-gradient(circle at 70% 0, #123229 0, transparent 34rem), var(--bg); line-height: 1.6; }
a { color: inherit; }
button, textarea { font: inherit; }
button { cursor: pointer; }
.site-header, main, footer { width: min(1180px, calc(100% - 36px)); margin-inline: auto; }
.site-header { height: 76px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(121,242,179,.15); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 760; text-decoration: none; letter-spacing: -.02em; }
.brand-mark { display: grid; place-items: center; width: 30px; height: 30px; border: 1px solid var(--mint); color: var(--mint); transform: rotate(45deg); font-size: 10px; }
.brand-mark::first-letter { transform: rotate(-45deg); }
nav { display: flex; gap: 28px; }
nav a, .footer-links a { color: var(--muted); font-size: .9rem; text-decoration: none; }
nav a:hover, .footer-links a:hover { color: var(--mint); }
.hero { padding: 100px 0 58px; max-width: 920px; }
.eyebrow, .section-kicker { color: var(--mint); font-size: .74rem; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: 10px; }
.eyebrow span { width: 26px; height: 1px; background: var(--mint); }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(3rem, 7.6vw, 6.7rem); line-height: .96; letter-spacing: -.065em; margin: 22px 0 28px; max-width: 1050px; }
h1 em { color: var(--mint); font-style: normal; }
.hero-copy { font-size: clamp(1.05rem, 2vw, 1.28rem); color: #c0d5cc; max-width: 780px; }
.trust-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.trust-row span { padding: 7px 12px; color: var(--muted); border: 1px solid var(--line); border-radius: 99px; font-size: .78rem; }
.scanner-shell { margin: 20px 0 120px; padding: 28px; background: rgba(13,29,26,.95); border: 1px solid #31574a; box-shadow: var(--shadow); border-radius: 18px; }
.scanner-head, .panel-bar, .score-card, .result-actions { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.scanner-head h2 { margin: 2px 0 20px; font-size: clamp(1.5rem,3vw,2.3rem); }
.format-tabs { display: flex; gap: 4px; padding: 4px; border: 1px solid var(--line); border-radius: 9px; }
.format-tab { border: 0; color: var(--muted); background: transparent; border-radius: 6px; padding: 7px 13px; font-size: .78rem; }
.format-tab.active { background: var(--mint); color: #042118; font-weight: 800; }
.workspace { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); min-height: 520px; border-radius: 12px; overflow: hidden; }
.input-panel { display: flex; flex-direction: column; min-width: 0; border-right: 1px solid var(--line); background: #081713; }
.panel-bar { height: 48px; padding: 0 16px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: .76rem; text-transform: uppercase; letter-spacing: .1em; }
.text-button { padding: 0; margin-left: 14px; color: var(--mint); background: none; border: 0; font-size: .72rem; text-transform: none; letter-spacing: 0; }
textarea { flex: 1; resize: none; width: 100%; min-height: 420px; border: 0; outline: 0; padding: 20px; background: transparent; color: #d8f9e8; font: 13px/1.65 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; tab-size: 2; }
textarea::placeholder { color: #58736a; }
.drop-note { padding: 12px 18px; border-top: 1px solid var(--line); color: #708d82; font-size: .72rem; }
.result-panel { padding: 22px; min-width: 0; overflow: auto; max-height: 570px; }
.empty-state { height: 100%; display: grid; place-content: center; text-align: center; color: var(--muted); }
.empty-state h3 { color: var(--text); margin: 22px 0 4px; }
.empty-state p { max-width: 310px; font-size: .9rem; }
.radar { position: relative; width: 100px; height: 100px; margin: auto; border: 1px solid #2b5748; border-radius: 50%; }
.radar::before, .radar::after { content:""; position:absolute; inset: 22%; border: 1px solid #2b5748; border-radius: 50%; }
.radar::after { inset: 44%; background: var(--mint); box-shadow: 0 0 24px var(--mint); }
.radar i { position:absolute; left:50%; top:0; width:1px; height:100%; background:#23483c; }
.radar i:nth-child(2) { transform: rotate(60deg); }
.radar i:nth-child(3) { transform: rotate(120deg); }
.hidden { display: none !important; }
.score-card { justify-content: flex-start; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.score-ring { flex: 0 0 92px; aspect-ratio: 1; display:grid; place-content:center; text-align:center; border: 7px solid var(--mint); border-radius: 50%; background:#081713; }
.score-ring strong { font-size: 1.9rem; line-height:1; }
.score-ring span { font-size:.65rem; color:var(--muted); }
.score-ring.high { border-color: var(--red); }
.score-ring.medium { border-color: var(--amber); }
.score-label { margin:0; color:var(--muted); font-size:.68rem; letter-spacing:.12em; }
.score-card h3 { margin: 2px 0; }
.score-card p:last-child { color: var(--muted); font-size: .83rem; }
.severity-strip { display:flex; gap:8px; flex-wrap:wrap; padding:16px 0 8px; }
.severity-strip span { border-radius:99px; padding:4px 9px; font-size:.68rem; font-weight:800; }
.sev-critical,.sev-high { background:rgba(255,123,120,.14);color:#ff9b98; }
.sev-medium { background:rgba(255,199,102,.13);color:var(--amber); }
.sev-low { background:rgba(121,199,255,.12);color:var(--blue); }
.finding { padding:14px 0; border-bottom:1px solid rgba(36,66,56,.75); }
.finding-head { display:flex; align-items:flex-start; gap:10px; }
.badge { flex:none; min-width:62px; text-align:center; padding:3px 7px; border-radius:4px; font-size:.62rem; font-weight:900; letter-spacing:.05em; text-transform:uppercase; }
.finding h4 { margin:0; font-size:.94rem; }
.finding p { margin:5px 0 0 72px; color:var(--muted); font-size:.8rem; }
.finding code { display:block; margin:8px 0 0 72px; padding:8px 10px; overflow-wrap:anywhere; background:#07130f; color:#a9d8c5; border-radius:5px; font-size:.72rem; }
.result-actions { justify-content:flex-start; padding-top:18px; }
.secondary-button { padding:8px 12px; border:1px solid var(--line); background:transparent; color:var(--text); border-radius:6px; font-size:.76rem; }
.scan-button { width:100%; margin-top:16px; border:0; border-radius:9px; padding:14px 18px; display:flex; align-items:center; justify-content:center; gap:18px; background:var(--mint); color:#042118; font-weight:850; }
.scan-button:hover { background:var(--lime); }
kbd { padding:2px 6px; border:1px solid rgba(4,33,24,.35); border-radius:4px; font:11px ui-monospace,monospace; }
.risk-grid, .how-it-works, .faq { padding: 30px 0 100px; }
.section-intro { display:grid; grid-template-columns: 1fr 1.6fr; gap:30px; align-items:end; margin-bottom:34px; }
.section-intro .section-kicker { grid-column:1/-1; margin:0; }
h2 { font-size:clamp(2rem,4.5vw,4rem); line-height:1.05; letter-spacing:-.045em; }
.section-intro p:last-child { color:var(--muted); }
.cards { display:grid; grid-template-columns:repeat(4,1fr); border-top:1px solid var(--line); border-left:1px solid var(--line); }
.cards article { min-height:300px; padding:24px; border-right:1px solid var(--line); border-bottom:1px solid var(--line); background:rgba(13,29,26,.5); }
.card-index { color:#55756a; font:700 .72rem ui-monospace,monospace; }
.cards h3 { margin-top:52px; }
.cards p { color:var(--muted); font-size:.88rem; }
.cards a { display:inline-block; margin-top:14px; color:var(--mint); font-size:.78rem; text-decoration:none; }
.how-it-works { border-top:1px solid var(--line); }
.how-it-works > h2 { max-width:760px; }
.boundary-grid { display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.boundary-grid > div { padding:28px; background:var(--surface); border:1px solid var(--line); }
.boundary-grid ul { margin:0; padding-left:20px; color:var(--muted); }
.boundary-note { margin-top:16px; color:var(--amber); font-size:.88rem; }
.faq { max-width:850px; }
.faq details { border-top:1px solid var(--line); padding:19px 0; }
.faq details:last-child { border-bottom:1px solid var(--line); }
.faq summary { cursor:pointer; font-weight:760; }
.faq details p { color:var(--muted); margin:12px 0 0; }
footer { border-top:1px solid var(--line); padding:38px 0 60px; display:flex; justify-content:space-between; gap:24px; }
footer p { color:var(--muted); font-size:.82rem; margin:12px 0 0; }
.footer-links { display:flex; gap:20px; align-items:flex-start; }
.article-page { max-width:900px; padding:75px 0 120px; }
.article-page h1 { font-size:clamp(2.8rem,6vw,5.2rem); }
.article-page .lede { font-size:1.22rem; color:#bed3ca; }
.article-page article { margin-top:55px; }
.article-page article h2 { font-size:2rem; margin-top:48px; }
.article-page article h3 { margin-top:28px; }
.article-page article p, .article-page article li { color:var(--muted); }
.article-page pre { padding:18px; overflow:auto; border:1px solid var(--line); background:#06100e; color:#b7ead4; border-radius:8px; }
.callout { border-left:3px solid var(--mint); padding:16px 18px; background:var(--surface); }
.cta-box { margin-top:55px; padding:30px; border:1px solid var(--mint); background:rgba(121,242,179,.05); }
.cta-box a { color:var(--mint); font-weight:800; }

@media (max-width: 850px) {
  nav { display:none; }
  .hero { padding-top:70px; }
  .workspace, .section-intro, .boundary-grid { grid-template-columns:1fr; }
  .input-panel { border-right:0; border-bottom:1px solid var(--line); }
  .result-panel { min-height:430px; }
  .cards { grid-template-columns:1fr 1fr; }
}
@media (max-width: 560px) {
  .site-header, main, footer { width:min(100% - 22px,1180px); }
  h1 { font-size:2.9rem; }
  .scanner-shell { padding:12px; border-radius:12px; }
  .scanner-head { align-items:flex-start; flex-direction:column; margin-bottom:16px; }
  .scanner-head h2 { margin-bottom:0; }
  .panel-bar { height:auto; min-height:50px; align-items:flex-start; padding-block:10px; }
  textarea { min-height:360px; padding:14px; font-size:12px; }
  .result-panel { padding:15px; }
  .cards { grid-template-columns:1fr; }
  .cards article { min-height:230px; }
  .cards h3 { margin-top:30px; }
  footer { flex-direction:column; }
}