:root{--bg:#080B12;--bg2:#0F1420;--card:#141A26;--card2:#192131;--text:#F5F7FA;--text2:#9AA4B2;--muted:#697386;--brand:#6C63FF;--brand2:#8B5CF6;--ok:#22C55E;--warn:#F59E0B;--bad:#EF4444;--info:#38BDF8;--line:rgba(255,255,255,.06);--line2:rgba(255,255,255,.1);--grad:linear-gradient(135deg,#6C63FF,#8B5CF6)}
*{box-sizing:border-box}html,body{margin:0}
body{background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.2;font-weight:700}
h1{font-size:clamp(32px,5vw,56px);letter-spacing:-.035em}h2{font-size:clamp(24px,3vw,34px)}h3{font-size:17px}
p{margin:0}a{color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.muted{color:var(--muted)}.sub{color:var(--text2)}.small{font-size:13px}.tiny{font-size:12px}
.stack{display:flex;flex-direction:column;gap:16px}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.grid{display:grid;gap:16px;grid-template-columns:1fr}
@media(min-width:720px){.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1100px){.g4{grid-template-columns:repeat(4,1fr)}}
.shell{max-width:1160px;margin:0 auto;padding:0 20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:0 1px 0 rgba(255,255,255,.02) inset,0 8px 24px rgba(0,0,0,.25)}
.card.el{background:var(--card2)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 18px;border-radius:10px;border:1px solid var(--line2);background:var(--card2);color:var(--text);font:inherit;font-weight:600;font-size:14px;cursor:pointer;text-decoration:none;transition:background .15s,border-color .15s}
.btn:hover{background:#202a3d}.btn:disabled{opacity:.55;cursor:not-allowed}
.btn.primary{background:var(--grad);border-color:transparent;box-shadow:0 6px 20px rgba(108,99,255,.3)}.btn.primary:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;border-color:transparent;color:var(--text2)}.btn.ghost:hover{color:var(--text);background:var(--card)}
.btn.sm{min-height:36px;padding:0 12px;font-size:13px}.btn.block{width:100%}
.field{display:flex;flex-direction:column;gap:6px}.field label{font-size:13px;font-weight:600;color:var(--text2)}
.input{width:100%;min-height:46px;padding:0 14px;border-radius:10px;border:1px solid var(--line2);background:var(--bg2);color:var(--text);font:inherit}
.input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(108,99,255,.2)}
select.input{appearance:none}
.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:600;background:rgba(255,255,255,.06);color:var(--text2);border:1px solid var(--line)}
.badge.high{color:#fca5a5;background:rgba(239,68,68,.1)}.badge.med{color:#fcd34d;background:rgba(245,158,11,.1)}.badge.low{color:#86efac;background:rgba(34,197,94,.1)}
.badge.brand{color:#c4b5fd;background:rgba(108,99,255,.14)}.badge.demo{color:var(--info);background:rgba(56,189,248,.1)}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#a5a0ff}
.logo{display:inline-flex;align-items:baseline;gap:4px;font-weight:800;letter-spacing:.14em;font-size:16px;text-decoration:none}
.logo span{font-size:10px;letter-spacing:.06em;padding:2px 5px;border-radius:5px;background:var(--grad);color:#fff}
.loading{display:flex;align-items:center;gap:10px;color:var(--text2);padding:16px 0}
.spinner{width:18px;height:18px;border-radius:50%;border:2px solid var(--line2);border-top-color:var(--brand);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.skeleton{background:linear-gradient(90deg,var(--card) 0,var(--card2) 50%,var(--card) 100%);background-size:200% 100%;animation:sk 1.4s infinite;border-radius:10px;min-height:16px}
@keyframes sk{to{background-position:-200% 0}}
.empty{text-align:center;padding:40px 20px;border:1px dashed var(--line2);border-radius:14px;color:var(--text2)}.empty-title{font-weight:700;color:var(--text);margin-bottom:6px}
.alert{padding:12px 14px;border-radius:10px;font-size:14px;display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.alert-error{background:rgba(239,68,68,.08);border:1px solid rgba(239,68,68,.25);color:#fecaca}
.list{list-style:none;margin:0;padding:0}.list-item{padding:12px 0;border-bottom:1px solid var(--line)}
.table{width:100%;border-collapse:collapse}.table td,.table th{padding:10px;border-bottom:1px solid var(--line);text-align:left}
.hint{color:var(--muted);font-size:13px}.lede{color:var(--text2);font-size:18px}

/* marketing */
.nav{position:sticky;top:0;z-index:20;background:rgba(8,11,18,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .shell{display:flex;align-items:center;justify-content:space-between;height:64px;gap:12px}
.nav-links{display:none;gap:24px}.nav-links a{color:var(--text2);text-decoration:none;font-size:14px}.nav-links a:hover{color:var(--text)}
@media(min-width:900px){.nav-links{display:flex}}
.hero{padding:72px 0 40px;text-align:center;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;inset:-200px 0 auto;height:520px;background:radial-gradient(closest-side,rgba(108,99,255,.22),transparent);pointer-events:none}
.hero .lede{max-width:640px;margin:20px auto 28px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.section{padding:72px 0;border-top:1px solid var(--line)}.section-head{max-width:640px;margin-bottom:36px}
.mock{margin-top:48px;border:1px solid var(--line2);border-radius:16px;background:var(--bg2);padding:14px;text-align:left;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.price{font-size:36px;font-weight:800;letter-spacing:-.03em}.price small{font-size:14px;color:var(--muted);font-weight:500}
.price-card.hot{border-color:rgba(108,99,255,.5);background:linear-gradient(180deg,rgba(108,99,255,.08),var(--card) 40%)}
.checks{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px;color:var(--text2);font-size:14px}
.checks li:before{content:"✓";color:var(--ok);margin-right:8px;font-weight:700}
details.faq{border-bottom:1px solid var(--line);padding:16px 0}details.faq summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between}
details.faq summary:after{content:"+";color:var(--muted)}details.faq[open] summary:after{content:"–"}details.faq p{margin-top:10px;color:var(--text2)}
.footer{padding:32px 0;border-top:1px solid var(--line);color:var(--muted);font-size:13px}

/* app shell */
.app{display:flex;min-height:100vh}
.side{width:248px;flex-shrink:0;background:var(--bg2);border-right:1px solid var(--line);padding:20px 14px;display:none;flex-direction:column;gap:4px;position:sticky;top:0;height:100vh}
@media(min-width:1000px){.side{display:flex}}
.side.open{display:flex;position:fixed;inset:0 auto 0 0;z-index:50;width:min(300px,86vw);box-shadow:20px 0 60px rgba(0,0,0,.6)}
.scrim{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:40}
.nav-item{display:flex;align-items:center;gap:10px;min-height:40px;padding:0 12px;border-radius:10px;color:var(--text2);font:inherit;font-size:14px;font-weight:500;background:none;border:0;width:100%;text-align:left;cursor:pointer}
.nav-item:hover{color:var(--text);background:rgba(255,255,255,.03)}
.nav-item.active{color:var(--text);background:rgba(108,99,255,.12);box-shadow:inset 2px 0 0 var(--brand)}
.nav-item .ic{width:18px;text-align:center;opacity:.85}
.main{flex:1;min-width:0}
.topbar{height:60px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 20px;gap:12px;position:sticky;top:0;background:rgba(8,11,18,.9);backdrop-filter:blur(8px);z-index:10}
.menu-btn{display:inline-flex}@media(min-width:1000px){.menu-btn{display:none}}
.content{padding:28px 20px 60px;max-width:1240px}
@media(min-width:1000px){.content{padding:32px 36px 60px}}
.kpi .v{font-size:32px;font-weight:800;letter-spacing:-.03em;margin:6px 0 2px}
.big-opp{position:relative;border-radius:16px;padding:28px;background:linear-gradient(135deg,rgba(108,99,255,.18),rgba(139,92,246,.06) 60%),var(--card);border:1px solid rgba(108,99,255,.35);overflow:hidden}
.meta{display:flex;gap:20px;flex-wrap:wrap}.meta div{display:flex;flex-direction:column;gap:2px}.meta b{font-size:14px}.meta span{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.score-ring{width:150px;height:150px;position:relative;flex-shrink:0}.score-ring .n{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:40px;font-weight:800}
.score-ring .n small{font-size:13px;color:var(--muted);font-weight:500}
.demo-bar{background:rgba(56,189,248,.08);border-bottom:1px solid rgba(56,189,248,.2);color:#bae6fd;font-size:13px;padding:8px 20px;text-align:center}

/* onboarding / auth */
.center{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px 16px}
.panel{width:100%;max-width:560px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:32px}
@media(max-width:480px){.panel{padding:22px}}
.steps{display:flex;gap:6px;margin-bottom:28px}.steps i{flex:1;height:4px;border-radius:4px;background:var(--line2)}.steps i.on{background:var(--grad)}
.choice{display:flex;align-items:center;gap:10px;min-height:50px;padding:0 16px;border-radius:10px;border:1px solid var(--line2);background:var(--bg2);color:var(--text);font:inherit;cursor:pointer;text-align:left;width:100%}
.choice.on{border-color:var(--brand);background:rgba(108,99,255,.12)}
.prog{height:6px;border-radius:6px;background:var(--line2);overflow:hidden}.prog>div{height:100%;background:var(--grad);transition:width .4s}
.check-row{display:flex;justify-content:space-between;align-items:center;padding:9px 0;border-bottom:1px solid var(--line);font-size:14px}
.check-row .st{font-size:12px;color:var(--muted)}.check-row.done .st{color:var(--ok)}.check-row.act .st{color:#a5a0ff}
.pre{white-space:pre-wrap;background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:16px;font-size:14px;color:var(--text2)}
textarea.input{min-height:180px;padding:12px 14px;line-height:1.6;resize:vertical}