*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#ebebe9; --panel:#f5f5f3; --panel-2:#fbfbfa; --line:#cdcdc9; --strong:#0d0d0d;
  --text:#0d0d0d; --muted:#5c5c58; --faint:#9b9b96;
  --violet:#7c5cff; --violet-ink:#ffffff; --violet-soft:#e4ddff;
  --lime:#d4ff3a; --lime-ink:#0d0d0d;
  --ok:#1e9a52; --danger:#d43a2a;
  --display:"Oswald","Arial Narrow",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,"SF Mono",Menlo,Consolas,"Segoe UI Symbol","Apple Symbols",monospace;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0c0c0d; --panel:#131315; --panel-2:#18181a; --line:#2b2b2f; --strong:#f1f1ee;
    --text:#f1f1ee; --muted:#a2a29d; --faint:#65655f;
    --violet:#9783ff; --violet-ink:#0c0c0d; --violet-soft:#221c46;
  }
}
:root[data-theme="dark"]{
  --bg:#0c0c0d; --panel:#131315; --panel-2:#18181a; --line:#2b2b2f; --strong:#f1f1ee;
  --text:#f1f1ee; --muted:#a2a29d; --faint:#65655f;
  --violet:#9783ff; --violet-ink:#0c0c0d; --violet-soft:#221c46;
}
html{overflow-x:clip}
body{background:var(--bg);color:var(--text);font-family:var(--mono);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column;transition:background .25s,color .25s}
a{color:inherit}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
@keyframes blink{50%{opacity:0}}

/* header */
header{border-bottom:1px solid var(--line);background:var(--bg)}
.hbar{max-width:1280px;margin:0 auto;display:flex;height:64px;border-left:1px solid var(--line);border-right:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;padding:0 24px;border-right:1px solid var(--line);font-weight:700;letter-spacing:.02em;text-decoration:none}
.brand svg{width:26px;height:28px}
.brand .cur{color:var(--violet);animation:blink 1.1s steps(1) infinite}
.crumbs{flex:1;display:flex;align-items:center;padding:0 20px;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:var(--violet)}
.crumbs i{font-style:normal;color:var(--violet);margin:0 10px}
.crumbs b{color:var(--text);font-weight:500}
.hdr-actions{display:flex;align-items:center;gap:12px;padding:0 16px;border-left:1px solid var(--line);font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.theme{width:38px;height:38px;border:1px solid var(--line);display:grid;place-items:center;font-size:14px}
.theme:hover{border-color:var(--strong)}
.theme .sun{display:none}
:root[data-theme="dark"] .theme .sun{display:inline}
:root[data-theme="dark"] .theme .moon{display:none}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .theme .sun{display:inline}:root:not([data-theme="light"]) .theme .moon{display:none}}

.btn{display:inline-flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 20px;font-family:var(--mono);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;border:1px solid var(--strong);text-decoration:none;transition:background .2s,color .2s,transform .12s;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-sm{padding:9px 14px;font-size:11px}
.btn-ghost:hover{background:var(--strong);color:var(--bg)}
.btn-dark{background:var(--strong);color:var(--bg)}
.btn-dark:hover:not(:disabled){background:var(--violet);border-color:var(--violet);color:var(--violet-ink)}
.btn:disabled{cursor:not-allowed;background:repeating-linear-gradient(135deg,var(--panel) 0 8px,var(--bg) 8px 16px);color:var(--faint);border-color:var(--line)}

/* layout */
.frame{flex:1;width:100%;max-width:1280px;margin:0 auto;border-left:1px solid var(--line);border-right:1px solid var(--line);display:grid;grid-template-columns:56px minmax(0,1.05fr) minmax(0,1fr)}
.frame.solo{grid-template-columns:56px minmax(0,1fr)}
.rail{border-right:1px solid var(--line);display:flex;flex-direction:column;align-items:center;justify-content:space-between;padding:24px 0;font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:var(--violet)}
.rail .vt{writing-mode:vertical-rl;transform:rotate(180deg)}
.rail .tick{display:flex;flex-direction:column;gap:10px}
.rail .tick i{display:block;width:10px;height:1px;background:var(--faint)}
.col-form{padding:56px 56px 48px;border-right:1px solid var(--line)}
.col-side{padding:56px 40px 48px;background-image:radial-gradient(circle,var(--line) 1px,transparent 1.2px);background-size:22px 22px;display:flex;flex-direction:column;gap:28px}

.lbl{display:flex;gap:14px;align-items:baseline;font-size:12px;text-transform:uppercase;letter-spacing:.08em;margin-bottom:22px}
.lbl .n{color:var(--violet);font-weight:700}
h1{font-family:var(--display);text-transform:uppercase;font-weight:600;line-height:1.08;font-size:clamp(44px,5.2vw,76px)}
.mark{background:var(--lime);color:var(--lime-ink);padding:.02em .1em 0;display:inline-block;line-height:.98;margin:.04em 0}
.tag{color:var(--violet);font-weight:700;text-transform:uppercase;letter-spacing:.06em;font-size:13px;margin-top:16px}

/* form */
form{margin-top:34px;max-width:480px}
.field{margin-bottom:22px}
.field label{display:flex;justify-content:space-between;font-size:11px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px}
.field label span{color:var(--muted)}
.inp{display:flex;border:1px solid var(--strong);background:var(--panel-2);transition:box-shadow .15s}
.inp:focus-within{box-shadow:4px 4px 0 var(--violet)}
.inp input{flex:1;min-width:0;border:none;outline:none;background:transparent;color:var(--text);font-family:var(--mono);font-size:15px;padding:14px 16px}
.inp input::placeholder{color:var(--faint)}
.inp .eye{border-left:1px solid var(--line);padding:0 14px;font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.inp .eye:hover{color:var(--violet)}
.inp.bad{border-color:var(--danger)}
.meter{display:grid;grid-template-columns:repeat(10,1fr);gap:3px;margin-top:8px}
.meter i{height:6px;background:var(--line);transition:background .2s}
.meter i.on{background:var(--violet)}
.meter.weak i.on{background:var(--danger)}
.meter.good i.on{background:var(--ok)}
.hint{font-size:11px;color:var(--muted);margin-top:6px}

.checks{border:1px solid var(--line);background:var(--panel);margin:28px 0 24px}
.check{display:grid;grid-template-columns:20px 1fr;gap:12px;padding:12px 14px;border-bottom:1px solid var(--line);font-size:12px;line-height:1.5;cursor:pointer;align-items:start}
.check:last-child{border-bottom:none}
.check.all{background:var(--panel-2);font-weight:700;text-transform:uppercase;letter-spacing:.04em;font-size:11px}
.check input{appearance:none;-webkit-appearance:none;width:18px;height:18px;border:1px solid var(--strong);background:var(--panel-2);display:grid;place-items:center;cursor:pointer;margin-top:1px}
.check input:checked{background:var(--violet);border-color:var(--violet)}
.check input:checked::after{content:"✓";color:var(--violet-ink);font-size:12px;font-weight:700;line-height:1}
.check input:indeterminate::after{content:"–";color:var(--violet);font-weight:700;line-height:1}
.check input:focus-visible{outline:2px solid var(--violet);outline-offset:2px}
.check a{color:var(--violet)}
.btn-full{width:100%;padding:18px 20px;font-size:13px}
.msg{display:none;border:1px solid var(--strong);padding:10px 14px;margin-bottom:18px;font-size:12px}
.msg.err{display:block;background:color-mix(in srgb,var(--danger) 12%,var(--panel-2));border-color:var(--danger)}
.msg.ok{display:block;background:var(--lime);color:var(--lime-ink)}
.alt{margin-top:22px;font-size:12px;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap}
.alt a{color:var(--text);font-weight:700;text-transform:uppercase;letter-spacing:.05em;text-decoration:none;border-bottom:1px solid var(--violet)}
.alt a:hover{color:var(--violet)}

/* side: live console */
.console{background:var(--panel-2);border:1px solid var(--strong);box-shadow:8px 8px 0 var(--violet)}
.c-head{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-bottom:1px solid var(--line);font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.c-head b{color:var(--text)}
.pill{display:inline-flex;align-items:center;gap:6px;border:1px solid currentColor;padding:1px 8px;font-size:10px;text-transform:uppercase;letter-spacing:.05em;color:var(--faint)}
.pill::before{content:"";width:6px;height:6px;background:currentColor}
.pill.ready{color:var(--ok)}
.c-rows{padding:8px 14px}
.c-row{display:grid;grid-template-columns:110px 1fr auto;gap:12px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:12px;align-items:center}
.c-row:last-child{border-bottom:none}
.c-row .k{color:var(--muted);text-transform:uppercase;font-size:11px;letter-spacing:.04em}
.c-row .v{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.c-row .st{font-size:10px;text-transform:uppercase;letter-spacing:.05em;color:var(--faint)}
.c-row .st.ok{color:var(--ok)}
.c-row .st.ok::before{content:"■ "}
.c-prog{margin:4px 14px 14px;height:10px;border:1px solid var(--strong);position:relative;background:repeating-linear-gradient(90deg,transparent 0 9px,var(--line) 9px 10px)}
.c-prog i{position:absolute;inset:0 auto 0 0;width:0;background:var(--violet);transition:width .35s}
.c-ready{margin:0 14px 14px;padding:10px 14px;border:1px solid var(--line);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--faint);display:flex;justify-content:space-between}
.c-ready.on{background:var(--lime);color:var(--lime-ink);border-color:var(--strong)}
.c-ready.on i{animation:blink 1s steps(1) infinite}
.c-ready i{font-style:normal}

.next h3,.free h3{font-family:var(--display);text-transform:uppercase;font-weight:600;font-size:24px;line-height:1.1;margin-bottom:12px}
.steps{border-top:1px solid var(--strong);background:var(--bg)}
.step{display:grid;grid-template-columns:58px 1fr;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);align-items:center}
.step .num{font-family:var(--display);font-size:40px;line-height:.85;font-weight:600;color:transparent;-webkit-text-stroke:1.2px var(--text)}
.step.cur .num{color:var(--violet);-webkit-text-stroke-color:var(--violet)}
.step b{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.05em}
.step span{font-size:12px;color:var(--muted)}
.step.cur b::after{content:"  ← вы здесь";color:var(--violet);font-weight:500;text-transform:none;letter-spacing:0}
.free ul{list-style:none;display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);background:var(--panel)}
.free li{padding:12px 14px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);font-size:12px}
.free li:nth-child(2n){border-right:none}
.free li:nth-last-child(-n+2){border-bottom:none}
.free li b{display:block;font-family:var(--display);font-size:22px;font-weight:600;line-height:1.1}
.free li span{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.04em}
/* class="tbd" — данные, которые заказчик впишет сам (найти поиском по tbd); визуально не выделяются */

/* bottom strip */
.strip{border-top:1px solid var(--line)}
.strip .in{max-width:1280px;margin:0 auto;border-left:1px solid var(--line);border-right:1px solid var(--line);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 24px;padding:16px 24px;font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.strip a{text-decoration:none;margin-right:18px}
.strip a:hover{color:var(--violet)}
.strip .sec::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 1px var(--strong);margin-right:8px;vertical-align:0}

@media (max-width:1000px){
  .frame.solo{grid-template-columns:1fr}
  .frame{grid-template-columns:1fr}
  .rail{display:none}
  .col-form{border-right:none;border-bottom:1px solid var(--line)}
  .crumbs{display:none}
  .hbar{justify-content:space-between}
}
@media (max-width:640px){
  .col-form{padding:36px 16px}
  .col-side{padding:36px 16px 44px}
  .brand{padding:0 14px}
  .hdr-actions{padding:0 10px;gap:8px}
  .hdr-actions .q{display:none}
  .c-row{grid-template-columns:88px 1fr auto}
  .console{box-shadow:5px 5px 0 var(--violet)}
  .strip .in{padding:14px 16px}
}
@media (prefers-reduced-motion: reduce){*,*::before,*::after{animation:none!important;transition:none!important}}