:root{
  --bg:#07111f;--bg-soft:#0b1728;--panel:#101d31;--panel-2:#14243a;--panel-3:#0e1a2d;
  --text:#f3f7ff;--muted:#a8b7cd;--muted-2:#7f93ae;--line:#263b5a;--line-soft:rgba(255,255,255,.08);
  --brand:#70d6ff;--brand-2:#9d8cff;--brand-3:#5de0a3;--ok:#5de096;--warn:#ffc857;--bad:#ff6868;
  --ink:#06101d;--max:1180px;--radius:22px;--radius-sm:14px;--shadow:0 20px 70px rgba(0,0,0,.30);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;color-scheme:dark}
body{margin:0;background:radial-gradient(circle at 18% -5%,#102b50 0,transparent 36%),linear-gradient(180deg,#081423 0%,#07111f 48%,#081321 100%);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.62;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,select,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}
:focus-visible{outline:3px solid rgba(112,214,255,.75);outline-offset:3px;border-radius:8px}
.wrap{width:min(var(--max),calc(100% - 36px));margin:auto}.narrow{width:min(820px,100%);margin-inline:auto}.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.site-header{position:sticky;top:0;z-index:50;background:rgba(7,17,31,.86);backdrop-filter:blur(18px);border-bottom:1px solid var(--line-soft)}
.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:11px;font-weight:850;letter-spacing:-.025em;white-space:nowrap}.brand-mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:var(--ink);font-weight:950;box-shadow:0 8px 24px rgba(112,214,255,.22)}
.nav-links{display:flex;align-items:center;gap:22px;color:var(--muted);font-size:14px}.nav-links a{transition:.18s ease}.nav-links a:hover,.nav-links a[aria-current="page"]{color:white}.nav-cta,.btn{border:0;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:800;transition:transform .18s ease,background .18s ease,border-color .18s ease,opacity .18s ease}.nav-cta{padding:11px 18px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:var(--ink);font-size:14px}.nav-cta:hover,.btn:hover{transform:translateY(-1px)}.mobile-menu{display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--panel);color:white;border-radius:12px;cursor:pointer}.mobile-menu span,.mobile-menu:before,.mobile-menu:after{content:"";display:block;width:18px;height:2px;margin:4px auto;background:currentColor;border-radius:9px;transition:.18s ease}.mobile-menu[aria-expanded="true"] span{opacity:0}.mobile-menu[aria-expanded="true"]:before{transform:translateY(6px) rotate(45deg)}.mobile-menu[aria-expanded="true"]:after{transform:translateY(-6px) rotate(-45deg)}
.hero{padding:78px 0 64px}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:66px;align-items:center}.hero h1,.hero-small h1{font-size:clamp(48px,6vw,78px);line-height:1.06;letter-spacing:-.055em;margin:12px 0 20px;max-width:820px}.hero h1 .gradient{background:linear-gradient(90deg,#f8fbff 0%,var(--brand) 46%,#b6a9ff 100%);background-clip:text;-webkit-background-clip:text;color:transparent}.hero .lead,.hero-small .lead{font-size:19px;color:#bfd0e8;max-width:720px}.eyebrow{display:inline-flex;align-items:center;gap:9px;border:1px solid #245271;background:rgba(13,36,58,.62);padding:8px 12px;border-radius:999px;color:#dff6ff;font-size:13px;font-weight:800}.dot{width:7px;height:7px;border-radius:50%;background:var(--brand-3);box-shadow:0 0 14px var(--brand-3)}.hero-actions,.result-actions,.button-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.btn{padding:13px 20px}.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:var(--ink)}.btn-secondary{background:#17304c;border:1px solid #315275;color:white}.btn-ghost{background:transparent;border:1px solid var(--line);color:#d9e7fa}.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}.fineprint{font-size:12px;color:#8098b7;margin-top:13px}.tag-row,.badge-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}.tag,.badge{border:1px solid #2b5073;background:rgba(8,30,48,.8);border-radius:999px;padding:6px 10px;font-size:12px;color:#cce9ff}.badge{font-weight:700}
.demo-card,.content-card,.tool-shell,.compare-card,.fix-card,.stat-card,.method-card{border:1px solid var(--line);background:linear-gradient(180deg,rgba(24,42,67,.96),rgba(12,26,45,.96));border-radius:var(--radius);box-shadow:var(--shadow)}.demo-card{padding:28px}.demo-top{display:flex;justify-content:space-between;align-items:flex-start;gap:18px}.kicker{margin:0 0 8px;text-transform:uppercase;letter-spacing:.13em;color:#84d9ff;font-size:12px;font-weight:900}.demo-title,.diagnosis{font-size:22px;line-height:1.25;font-weight:900;letter-spacing:-.02em}.demo-body{display:grid;grid-template-columns:118px 1fr;gap:24px;align-items:center;margin-top:24px}.mini-score,.score-ring-live{width:112px;aspect-ratio:1;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--ok) 0 230deg,#253a57 230deg);position:relative}.mini-score:after,.score-ring-live:after{content:"";position:absolute;inset:14px;border-radius:50%;background:#0c1b2e}.mini-score-inner,.score-ring-inner{position:relative;z-index:1;text-align:center}.mini-score strong,.score-ring-live strong{font-size:30px;line-height:1}.mini-score small,.score-ring-live small{display:block;color:#b9c9dc}.score-ring-live{background:conic-gradient(var(--ring,#5de096) 0 var(--score,0deg),#253a57 var(--score,0deg));transition:.35s ease}.score-ring-live[data-tone="warn"]{--ring:var(--warn)}.score-ring-live[data-tone="bad"]{--ring:var(--bad)}.metric-row{display:flex;justify-content:space-between;gap:18px;padding:12px 0;border-bottom:1px solid var(--line-soft)}.metric-row:last-child{border-bottom:0}.metric-row span{color:#c2d1e5}.metric-row strong{white-space:nowrap}.status.ok{color:var(--ok)}.status.warn{color:var(--warn)}.status.bad{color:var(--bad)}
.section{padding:72px 0}.section-tight{padding:44px 0}.section h2,.content h2{font-size:clamp(32px,4vw,48px);line-height:1.12;letter-spacing:-.04em;margin:0 0 16px}.section-lead{font-size:18px;color:var(--muted);max-width:760px;margin-bottom:32px}.grid-2,.grid-3{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.content-card,.method-card{padding:25px}.content-card h3,.method-card h3{margin:0 0 8px;font-size:19px}.content-card p,.method-card p{margin:0;color:var(--muted)}.content{font-size:17px;color:#d9e5f6}.content p{color:#b8c9df}.content h2{margin-top:46px}.content h3{margin-top:30px}.content a:not(.btn){color:#89dcff;text-decoration:underline;text-underline-offset:3px}.content ul,.content ol{color:#bdd0e7}.content li{margin:7px 0}.callout{padding:18px 20px;border:1px solid #315274;border-left:4px solid var(--brand);background:#0d2035;border-radius:12px;color:#cde3f7}.callout.warn{border-left-color:var(--warn)}.callout.bad{border-left-color:var(--bad)}
.hero-small{padding:48px 0 30px}.hero-small h1{font-size:clamp(40px,5vw,62px);margin:8px 0 12px}.breadcrumb{font-size:13px;color:#7f96b5;margin-bottom:18px}.breadcrumb a:hover{color:white}
.tool-section{padding:24px 0 64px}.tool-shell{padding:28px}.tool-top{display:flex;align-items:flex-end;justify-content:space-between;gap:22px}.tool-title h2{margin:0 0 4px;font-size:25px}.tool-title p{margin:0;color:var(--muted)}.test-controls{display:flex;gap:10px;align-items:center}.test-controls .btn{white-space:nowrap;min-width:118px;display:inline-flex;align-items:center;justify-content:center}.select{appearance:none;background:#0a1728;border:1px solid var(--line);color:white;border-radius:999px;padding:12px 38px 12px 14px;background-image:linear-gradient(45deg,transparent 50%,#9fb5cf 50%),linear-gradient(135deg,#9fb5cf 50%,transparent 50%);background-position:calc(100% - 17px) 50%,calc(100% - 12px) 50%;background-size:5px 5px;background-repeat:no-repeat}.progress-wrap{margin:26px 0 18px;padding:18px;border:1px solid var(--line-soft);border-radius:16px;background:rgba(4,13,25,.35)}.progress-head{display:flex;justify-content:space-between;color:#cfe0f4;font-size:13px;font-weight:750}.progress{height:8px;border-radius:999px;background:#21344f;overflow:hidden;margin:10px 0 14px}.progress-bar{height:100%;width:0;border-radius:inherit;background:linear-gradient(90deg,var(--brand),var(--brand-2));transition:width .25s ease}.phase-list{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.phase-pill{font-size:12px;text-align:center;color:#7f94b0;border:1px solid #223956;border-radius:999px;padding:7px 8px;transition:.2s ease}.phase-pill.active{color:#e9f7ff;border-color:#4db4e4;background:rgba(58,148,194,.14)}.phase-pill.done{color:#9fdfbd;border-color:#2b7454;background:rgba(55,180,112,.1)}.notice,.error{padding:14px 16px;border-radius:13px;font-size:13px}.notice{border:1px solid #254662;background:#0b1c2f;color:#b9cee5}.error{display:none;margin-top:14px;border:1px solid #704047;background:#2a151d;color:#ffc7c7}.error.visible{display:block}.results{display:none;margin-top:24px}.results.visible{display:block}.result-hero{display:grid;grid-template-columns:190px 1fr;gap:26px;padding:24px;border:1px solid var(--line);background:#09182a;border-radius:18px}.score-grade{display:flex;align-items:center;gap:16px}.grade-box{min-width:74px;text-align:center}.grade-letter{font-size:52px;font-weight:950;line-height:1}.grade-label{font-size:12px;color:var(--muted);margin-top:4px}.diagnosis-detail{color:#b9cbe1;margin:10px 0 0}.secondary-findings{margin:12px 0 0;padding-left:20px;color:#bed1e7;font-size:14px}.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:14px}.metric-card{padding:18px;border:1px solid var(--line);background:#0e1c30;border-radius:16px}.metric-label{text-transform:uppercase;letter-spacing:.09em;color:#83bfe3;font-size:11px}.metric-value{font-size:28px;font-weight:900;letter-spacing:-.02em;margin-top:8px}.metric-sub{font-size:12px;color:#7f94af}.impact-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.impact{padding:15px;border:1px solid var(--line);border-radius:14px;background:#0b1b2f}.impact-name{font-size:13px;color:#a8bdd6}.impact-state{font-weight:900;margin-top:7px}.impact-detail{font-size:12px;color:#8297b2;margin-top:5px;line-height:1.45}.fix-card{padding:20px;margin-top:18px;box-shadow:none;background:#10233a}.fix-card h3{margin-top:0}.fix-card ol{padding-left:22px;color:#dbe8f8}.fix-card li{margin:8px 0}.advanced{margin-top:16px;border:1px solid var(--line);border-radius:15px;background:#0a182a}.advanced summary{cursor:pointer;padding:15px 18px;font-weight:800;color:#d6e6fa}.advanced-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border-top:1px solid var(--line)}.advanced-item{background:#0c1a2d;padding:14px 17px}.advanced-item span{display:block;color:#859ab4;font-size:11px;text-transform:uppercase;letter-spacing:.07em}.advanced-item strong{display:block;margin-top:4px}.compare-wrap{display:none;margin-top:18px;padding:20px;border:1px solid #355879;background:#0c2035;border-radius:18px}.compare-wrap.visible{display:block}.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.compare-card{padding:18px;box-shadow:none}.compare-card h3{margin:3px 0 12px}.delta-good{color:var(--ok);font-weight:800}.delta-bad{color:var(--bad);font-weight:800}.muted{color:var(--muted)}
.score-explain{display:flex;gap:22px;align-items:center;padding:18px;border-radius:16px;background:#09182a;border:1px solid var(--line)}.score-copy strong{font-size:24px}.score-copy p{margin:4px 0 0;color:var(--muted);font-size:14px}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:16px}.table{width:100%;border-collapse:collapse;min-width:620px}.table th,.table td{text-align:left;padding:13px 15px;border-bottom:1px solid var(--line);vertical-align:top}.table th{background:#10233a;color:#d9ecff;font-size:13px}.table td{color:#bcd0e6}.table tr:last-child td{border-bottom:0}.grade-chip{display:inline-flex;min-width:38px;justify-content:center;padding:3px 8px;border-radius:8px;background:#17304c;font-weight:900;color:white}
.faq{border-top:1px solid var(--line)}.faq details{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;font-weight:800;padding:18px 2px}.faq p{margin:-5px 0 20px;color:var(--muted)}
.footer{margin-top:68px;padding:48px 0 28px;border-top:1px solid var(--line-soft);background:#06101d}.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:42px}.footer h4{margin:0 0 10px}.footer-links{display:flex;flex-direction:column;gap:8px;color:#94a9c2;font-size:14px}.footer a:hover{color:white}.copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line-soft);margin-top:36px;padding-top:20px;color:#7890ad;font-size:12px}
.embed-body{background:transparent}.embed-shell{margin:0;padding:18px;border:1px solid var(--line);border-radius:18px;background:#0b1728}.embed-shell .brand{font-size:13px}.embed-result{margin-top:14px}
.code{overflow:auto;padding:16px;background:#050d17;border:1px solid var(--line);border-radius:13px;color:#d9e9fa;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px}.hr{height:1px;background:var(--line);margin:34px 0}
@media(max-width:920px){.hero-grid{grid-template-columns:1fr;gap:38px}.hero{padding-top:52px}.grid-3{grid-template-columns:1fr}.metrics,.impact-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.result-hero{grid-template-columns:1fr}.score-grade{justify-content:flex-start}.footer-grid{grid-template-columns:1fr 1fr}.nav-cta{display:none}.mobile-menu{display:block}.nav-links{display:none;position:absolute;top:72px;left:18px;right:18px;padding:14px;flex-direction:column;align-items:stretch;gap:4px;background:#0b1728;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}.nav-links.is-open{display:flex}.nav-links a{padding:10px 11px;border-radius:9px}.nav-links a:hover{background:#11243b}.nav{position:relative}.tool-top{align-items:stretch;flex-direction:column}.test-controls{align-items:stretch}.test-controls .btn,.test-controls .select{flex:1}}
@media(max-width:640px){.wrap{width:min(100% - 24px,var(--max))}.hero{padding:42px 0 38px}.hero h1{font-size:47px}.hero-small h1{font-size:40px}.demo-body{grid-template-columns:1fr}.mini-score{margin:auto}.grid-2,.metrics,.impact-grid,.compare-grid,.advanced-grid,.footer-grid{grid-template-columns:1fr}.phase-list{grid-template-columns:1fr 1fr}.tool-shell{padding:17px;border-radius:18px}.test-controls{flex-direction:column}.btn{width:100%}.hero-actions .btn{width:auto;flex:1}.result-actions .btn{width:100%}.result-hero{padding:18px}.copyright{flex-direction:column}.nav{min-height:64px}.nav-links{top:64px}.brand span:last-child{font-size:14px}.score-grade{align-items:center}.metric-value{font-size:25px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}


/* V2.2 dynamic-result polish */
.result-hero{grid-template-columns:minmax(240px,270px) minmax(0,1fr);gap:24px;align-items:stretch;padding:22px}
.score-grade{display:grid;grid-template-columns:1fr 1fr;gap:10px;align-items:stretch;min-width:0}
.result-summary-tile{min-width:0;min-height:156px;padding:14px 10px 12px;border:1px solid var(--line-soft);background:linear-gradient(180deg,rgba(20,41,66,.88),rgba(10,26,45,.88));border-radius:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.result-summary-label{font-size:10px;line-height:1.2;text-transform:uppercase;letter-spacing:.095em;color:#8fb7d4;font-weight:850;white-space:nowrap}
.result-summary-hint{font-size:10px;line-height:1.2;color:#758ca8;margin-top:7px;white-space:nowrap}
.score-ring-live{width:82px;min-width:82px;margin-top:9px}
.score-ring-live:after{inset:10px}
.score-ring-live strong{font-size:29px;font-weight:950;font-variant-numeric:tabular-nums;letter-spacing:-.04em}
.score-ring-inner{display:grid;place-items:center;min-width:0}
.grade-box{min-width:0}
.grade-letter{font-size:48px;font-weight:950;line-height:.95;margin-top:11px;font-variant-numeric:tabular-nums;letter-spacing:-.055em}
.grade-label{font-size:11px;line-height:1.25;color:#aebfd3;margin-top:8px;font-weight:750;max-width:100%;overflow-wrap:anywhere}
.diagnosis-panel{min-width:0;padding:3px 2px 2px}
.diagnosis{font-size:clamp(21px,2.2vw,27px);overflow-wrap:anywhere}
.diagnosis-detail{max-width:760px;overflow-wrap:anywhere}
.result-badges{align-items:stretch}
.result-badges .badge{display:inline-flex;align-items:center;gap:6px;min-width:0;max-width:100%;overflow-wrap:anywhere}
.badge-key{color:#88a4c1;font-weight:700}
.metric-value,.advanced-item strong,.metric-row strong{font-variant-numeric:tabular-nums}
.metric-value{font-size:clamp(22px,2.25vw,28px);line-height:1.15;overflow-wrap:anywhere}
.metrics-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.results-section-title{margin:26px 0 12px;font-size:22px;line-height:1.25}
.impact{min-width:0}.impact-name,.impact-state,.impact-detail{overflow-wrap:anywhere}
.result-actions .btn{white-space:nowrap}
.advanced-item{min-width:0}.advanced-item strong{overflow-wrap:anywhere}
.compare-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-start}.compare-head h3{margin:0}.compare-head p{margin-bottom:0}
.btn-compact{padding:8px 12px;min-width:max-content}
.compare-card{min-width:0}.compare-card h3{font-size:17px;line-height:1.35;overflow-wrap:anywhere}.compare-card .kicker{overflow-wrap:anywhere}

@media(max-width:920px){
  .result-hero{grid-template-columns:1fr}
  .score-grade{grid-template-columns:repeat(2,minmax(0,150px));justify-content:start}
  .result-summary-tile{min-height:142px}
}
@media(max-width:640px){
  .result-hero{padding:15px}
  .score-grade{grid-template-columns:1fr 1fr;gap:8px}
  .result-summary-tile{min-height:132px;padding:12px 6px 10px}
  .score-ring-live{width:74px;min-width:74px}
  .score-ring-live strong{font-size:26px}
  .grade-letter{font-size:44px}
  .result-summary-label,.result-summary-hint{font-size:9px}
  .metrics-2{grid-template-columns:1fr}
  .result-badges .badge{width:100%;justify-content:flex-start}
  .compare-head{flex-direction:column;align-items:stretch}
  .compare-head .btn{width:100%}
}
@media(max-width:380px){
  .score-grade{grid-template-columns:1fr}
  .result-summary-tile{min-height:118px}
  .score-ring-live{width:70px;min-width:70px}
}

/* V2.2 final dynamic safeguards */
.result-hero>*{min-width:0}
.metric-value{white-space:nowrap}
.score-ring-live,.mini-score{font-variant-numeric:tabular-nums}
.result-summary-label{max-width:100%;overflow:hidden;text-overflow:ellipsis}
.badge{white-space:normal}