:root{
  --paper:#F7F8F6; --panel:#FFFFFF; --ink:#12181C; --slate:#5A6B72;
  --rule:#E2E7E4; --alive:#0E8F71; --alive-soft:#E3F3ED;
  --critical:#C6362F; --high:#CE6A12; --medium:#A88400; --low:#6B7B82; --info:#3D7B9C;
  --shadow:0 1px 0 rgba(18,24,28,.04), 0 12px 28px -18px rgba(18,24,28,.28);
}
*{box-sizing:border-box}
html,body{margin:0}
body{
  background:var(--paper); color:var(--ink);
  font-family:"Inter",system-ui,sans-serif; line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:820px;margin:0 auto;padding:0 24px}
a{color:var(--alive);text-decoration:none}
a:hover{text-decoration:underline}

header{display:flex;align-items:center;justify-content:space-between;padding:22px 0}
.mark{display:flex;align-items:center;gap:9px;font-family:"Instrument Sans";font-weight:700;font-size:18px;letter-spacing:-.01em}
.mark a{color:inherit}
code{font-family:"JetBrains Mono";font-size:.92em;background:#f3f5f4;border:1px solid var(--rule);border-radius:5px;padding:1px 5px;overflow-wrap:anywhere}
.pulse-dot{width:9px;height:9px;border-radius:50%;background:var(--alive);position:relative}
.pulse-dot::after{content:"";position:absolute;inset:-5px;border-radius:50%;border:1.5px solid var(--alive);opacity:.5;animation:ring 2.4s ease-out infinite}
@keyframes ring{0%{transform:scale(.5);opacity:.6}100%{transform:scale(1.6);opacity:0}}
header nav a{color:var(--slate);font-size:14px}

.hero{padding:40px 0 8px}
h1{font-family:"Instrument Sans";font-weight:700;font-size:clamp(30px,5.4vw,46px);line-height:1.05;letter-spacing:-.02em;margin:0 0 14px;max-width:15ch}
.sub{color:var(--slate);font-size:17px;max-width:52ch;margin:0 0 26px}

form{display:flex;gap:10px;flex-wrap:wrap;align-items:stretch}
.field{flex:1 1 340px;display:flex;align-items:center;background:var(--panel);border:1.5px solid var(--rule);border-radius:12px;padding:0 14px;box-shadow:var(--shadow);transition:border-color .15s}
.field:focus-within{border-color:var(--alive)}
.field .scheme{font-family:"JetBrains Mono";color:var(--slate);font-size:13px;padding-right:2px;user-select:none}
input[type=text]{flex:1;border:0;outline:0;background:transparent;font-family:"JetBrains Mono";font-size:15px;color:var(--ink);padding:15px 6px}
button.scan{background:var(--ink);color:#fff;border:0;border-radius:12px;padding:0 26px;font-family:"Instrument Sans";font-weight:600;font-size:16px;cursor:pointer;transition:transform .08s, background .15s}
button.scan:hover{background:#000}
button.scan:active{transform:translateY(1px)}
button.scan:disabled{opacity:.55;cursor:default}

.consent{display:flex;align-items:center;gap:9px;margin:14px 2px 0;color:var(--slate);font-size:13.5px}
.consent input{width:16px;height:16px;accent-color:var(--alive)}

/* EKG line — the one bold flourish */
.ekg{margin:30px 0 6px;height:46px;width:100%;overflow:hidden}
.ekg svg{width:100%;height:100%}
.ekg path{fill:none;stroke:var(--rule);stroke-width:2}
.ekg .live{stroke:var(--alive);stroke-dasharray:1400;stroke-dashoffset:1400}
body.scanning .ekg .live{animation:trace 1.1s linear infinite}
@keyframes trace{to{stroke-dashoffset:0}}

.platforms{color:var(--slate);font-size:13px;margin-top:2px}
.platforms b{color:var(--ink);font-weight:500}

/* Report */
#report{margin:34px 0 20px;display:none}
#report.show{display:block}
.err{background:#fff;border:1.5px solid var(--rule);border-left:4px solid var(--critical);border-radius:12px;padding:16px 18px;color:var(--ink)}

.scorecard{display:flex;align-items:center;gap:20px;background:var(--panel);border:1.5px solid var(--rule);border-radius:16px;padding:22px;box-shadow:var(--shadow)}
.grade{width:78px;height:78px;flex:none;border-radius:16px;display:grid;place-items:center;font-family:"Instrument Sans";font-weight:700;font-size:40px;color:#fff;line-height:1}
.grade.A{background:var(--alive)} .grade.B{background:#3d9e78} .grade.C{background:var(--medium)} .grade.D{background:var(--high)} .grade.F{background:var(--critical)}
.score-meta h2{font-family:"Instrument Sans";font-weight:600;font-size:19px;margin:0 0 3px}
.score-meta .line{font-family:"JetBrains Mono";font-size:12.5px;color:var(--slate)}
.tally{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.chip{font-size:12px;font-weight:500;padding:3px 9px;border-radius:20px;border:1px solid var(--rule)}
.chip.critical{color:var(--critical);border-color:#eecac7;background:#fdf4f3}
.chip.high{color:var(--high);border-color:#f0dcc4;background:#fdf7f0}
.chip.medium{color:var(--medium);border-color:#ece0b3;background:#fbf8ec}
.chip.low,.chip.info{color:var(--slate);border-color:var(--rule);background:#f6f8f7}
.chip.pass{color:var(--alive);border-color:#c6e7db;background:var(--alive-soft)}

.findings{margin-top:16px;border:1.5px solid var(--rule);border-radius:16px;overflow:hidden;background:var(--panel)}
details{border-top:1px solid var(--rule)}
details:first-child{border-top:0}
summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:12px;padding:15px 18px}
summary::-webkit-details-marker{display:none}
.sev-bar{width:4px;align-self:stretch;border-radius:4px;flex:none}
.sev-bar.critical{background:var(--critical)} .sev-bar.high{background:var(--high)} .sev-bar.medium{background:var(--medium)} .sev-bar.low{background:var(--low)} .sev-bar.info{background:var(--info)} .sev-bar.pass{background:var(--alive)}
.f-title{flex:1;font-weight:500;font-size:15.5px}
.sev-tag{font-family:"JetBrains Mono";font-size:11px;text-transform:lowercase;letter-spacing:.02em;padding:2px 8px;border-radius:6px;color:#fff}
.sev-tag.critical{background:var(--critical)} .sev-tag.high{background:var(--high)} .sev-tag.medium{background:var(--medium)} .sev-tag.low{background:var(--low)} .sev-tag.info{background:var(--info)} .sev-tag.pass{background:var(--alive)}
.chev{color:var(--slate);transition:transform .18s}
details[open] .chev{transform:rotate(90deg)}
.body{padding:2px 18px 18px 34px;color:var(--ink);font-size:14.5px}
.body .evidence{font-family:"JetBrains Mono";font-size:12.5px;background:#f3f5f4;border:1px solid var(--rule);border-radius:8px;padding:9px 11px;color:#33424a;word-break:break-word;margin:0 0 12px}
.body dt{font-weight:600;color:var(--slate);font-size:12px;margin:10px 0 2px}
.body dd{margin:0}
details.pass .f-title,details.info .f-title{color:var(--slate)}

.cta{margin-top:20px;background:var(--ink);color:#fff;border-radius:16px;padding:22px 24px}
.cta h3{font-family:"Instrument Sans";font-weight:600;font-size:18px;margin:0 0 6px}
.cta p{color:#c9d2d0;font-size:14px;margin:0 0 14px;max-width:56ch}
.cta form{gap:10px}
.cta .field{background:#1b232a;border-color:#2a343c;box-shadow:none}
.cta input{color:#fff;font-family:"Inter"}
.cta button.scan{background:var(--alive)}
.cta button.scan:hover{background:#0aa07f}
.cta .done{color:var(--alive-soft);font-size:14px}

footer{color:var(--slate);font-size:12.5px;padding:34px 0 46px;border-top:1px solid var(--rule);margin-top:30px}
footer p{margin:4px 0}
footer b{color:var(--ink)}
footer .spaced{margin-top:12px}

@media (prefers-reduced-motion:reduce){
  .pulse-dot::after{animation:none}
  body.scanning .ekg .live{animation:none;stroke-dashoffset:0}
  #report.show{animation:none}
}
#report.show{animation:rise .4s ease both}
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}