:root{
  /* Layout idea: one question per screen, left-aligned big type, thumb-zone button, brand-color glow on the screen edge that brightens with progress */
  --bg:#0C0C11;
  --surface:#17161F;
  --line:rgba(236,233,255,.13);
  --text:#F5F4FA;
  --muted:#9C99B3;
  --accent:#FF00F9;
  --lavender:#ACB6F7;
  --lime:#D1F963;
  --blue:#2A63E8;
  --orange:#F39031;
  --display:"Archivo Black","Arial Black","Helvetica Neue",Arial,sans-serif;
  --body:"Archivo",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
  --glow:.3;
  --ease:cubic-bezier(.2,.75,.2,1);
  color-scheme:dark;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--body);font-weight:400;font-size:17px;line-height:1.5;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}
button,input,textarea{font:inherit;color:inherit}
a{color:inherit}

/* ---------- edge glow ---------- */
@property --a{syntax:"<angle>";inherits:true;initial-value:0deg}
.glow{position:fixed;inset:0;pointer-events:none;z-index:0;opacity:var(--glow);transition:opacity 1.2s var(--ease);animation:spin 9s linear infinite}
.glow i{position:absolute;inset:0;padding:3px;background:conic-gradient(from var(--a),var(--accent),var(--blue),var(--lavender),var(--orange),var(--lime),var(--accent));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box exclude,linear-gradient(#000 0 0)}
.glow .soft{filter:blur(22px);opacity:.9}
.glow .soft i{padding:10px}
@keyframes spin{to{--a:360deg}}
.bloom .glow{animation:spin 9s linear infinite,bloom 1.6s var(--ease)}
@keyframes bloom{0%{opacity:.4}35%{opacity:1}100%{opacity:var(--glow)}}

/* ---------- frame ---------- */
.app{position:relative;z-index:1;min-height:100%;max-width:620px;margin:0 auto;padding:0 24px;display:grid;grid-template-rows:auto 1fr auto}
.top{height:72px;display:flex;align-items:center;gap:16px}
.back{width:40px;height:40px;flex:none;border-radius:50%;border:1px solid var(--line);background:transparent;display:grid;place-items:center;cursor:pointer;transition:background .2s,opacity .3s}
.back:hover{background:var(--surface)}
.back svg{width:18px;height:18px}
.track{flex:1;height:3px;border-radius:3px;background:var(--line);overflow:hidden}
.bar{height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--lavender));border-radius:3px;transition:width .6s var(--ease)}
.count{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;min-width:52px;text-align:right;letter-spacing:.02em}
.top.hidden .back,.top.hidden .track,.top.hidden .count{opacity:0;pointer-events:none}
.is-preview .app{padding-top:36px}
.preview{position:fixed;top:10px;left:50%;transform:translateX(-50%);white-space:nowrap;z-index:5;font-size:12px;color:var(--bg);background:var(--lime);padding:5px 11px;border-radius:99px;font-weight:600;letter-spacing:.01em}

.stage{display:grid;align-content:center;padding:12px 0 28px;min-height:0}
.step{display:none}
.step.on{display:block;animation:enter .5s var(--ease) both}
.step.on.rev{animation-name:enterRev}
@keyframes enter{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@keyframes enterRev{from{opacity:0;transform:translateY(-18px)}to{opacity:1;transform:none}}

.eyebrow{font-weight:600;font-stretch:112%;text-transform:uppercase;letter-spacing:.18em;font-size:12px;color:var(--lavender);margin:0 0 18px}
h1{font-family:var(--display);font-weight:400;font-size:clamp(32px,7vw,50px);line-height:1.03;letter-spacing:-.012em;margin:0 0 14px;text-wrap:balance}
.lede{color:var(--muted);font-size:18px;max-width:34em;margin:0 0 30px}
.hint{color:var(--muted);font-size:15px;margin:-4px 0 26px}

/* welcome */
.wordmark{font-family:var(--display);font-size:clamp(46px,12.5vw,92px);line-height:.9;letter-spacing:-.02em;margin:0 0 26px;background:linear-gradient(100deg,var(--text) 30%,var(--lavender) 62%,var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.facts{list-style:none;padding:0;margin:0 0 6px;display:grid;gap:0;border-top:1px solid var(--line)}
.facts li{display:flex;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:1px solid var(--line);font-size:15px}
.facts li span:first-child{color:var(--muted)}
.facts li span:last-child{text-align:right}

/* collage */
.collage{--r:clamp(52px,12.5vw,86px);display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(4,var(--r));gap:6px;margin:4px 0 26px}
.tile{margin:0;overflow:hidden;background:var(--surface);animation:tileIn .7s var(--ease) both}
.tile img{display:block;width:100%;height:100%;object-fit:cover}
.tile.mono img{filter:grayscale(1) contrast(1.08)}
.ta{grid-column:1;grid-row:1/4;animation-delay:.05s}
.ta img{object-position:50% 20%}
.tb{grid-column:2;grid-row:1/2;animation-delay:.15s}
.tb img{object-position:50% 45%}
.tc{grid-column:2;grid-row:2/5;animation-delay:.25s}
.tc img{object-position:50% 30%}
.td{grid-column:3;grid-row:1/4;animation-delay:.35s}
.td img{object-position:50% 25%}
.te{grid-column:1;grid-row:4;display:flex;flex-direction:column;justify-content:center;gap:2px;padding:0 10px;animation-delay:.45s}
.te span{font-size:10px;font-weight:600;font-stretch:115%;letter-spacing:.16em;text-transform:uppercase;color:var(--lavender);line-height:1.5}
.tf{grid-column:3;grid-row:4;animation-delay:.55s}
.tf img{object-position:40% 50%}
@keyframes tileIn{from{opacity:0;transform:translateY(10px) scale(.985)}to{opacity:1;transform:none}}
.step[data-step="welcome"] .wordmark{font-size:clamp(40px,11vw,80px);margin-bottom:18px}
@media (max-width:420px){.facts li{padding:10px 0;font-size:14px}.lede{font-size:16.5px;margin-bottom:22px}}

/* fields */
.fields{display:grid;gap:26px}
.field label,.qlabel{display:block;font-size:12px;font-weight:600;font-stretch:110%;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);margin-bottom:8px}
.field .opt{text-transform:none;letter-spacing:0;font-weight:400;color:var(--muted);opacity:.8;margin-left:6px}
.input{width:100%;background:transparent;border:0;border-bottom:1.5px solid var(--line);padding:8px 0 12px;font-size:24px;font-weight:500;border-radius:0;outline:none;caret-color:var(--accent);transition:border-color .25s}
.input::placeholder{color:#55536A;font-weight:400}
.input:focus{border-bottom-color:var(--accent)}
textarea.input{font-size:19px;line-height:1.45;resize:none;min-height:96px}
.err{color:#FF8FB8;font-size:14px;min-height:20px;margin-top:8px}
.shake{animation:shake .4s}
@keyframes shake{20%,60%{transform:translateX(-6px)}40%,80%{transform:translateX(6px)}}

/* switch */
.switch{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 16px;border-radius:16px;background:var(--surface);cursor:pointer}
.switch input{position:absolute;opacity:0;pointer-events:none}
.switch .knob{flex:none;width:51px;height:31px;border-radius:99px;background:#3A3848;position:relative;transition:background .25s}
.switch .knob::after{content:"";position:absolute;top:2px;left:2px;width:27px;height:27px;border-radius:50%;background:#fff;box-shadow:0 2px 6px rgba(0,0,0,.35);transition:transform .3s var(--ease)}
.switch input:checked + .knob{background:var(--lime)}
.switch input:checked + .knob::after{transform:translateX(20px)}
.switch input:focus-visible + .knob{outline:2px solid var(--accent);outline-offset:3px}

/* chips */
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{min-height:46px;padding:0 18px;border-radius:99px;border:1px solid var(--line);background:var(--surface);cursor:pointer;font-size:16px;font-weight:500;display:inline-flex;align-items:center;gap:8px;transition:background .2s,border-color .2s,transform .15s}
.chip:hover{border-color:rgba(236,233,255,.3)}
.chip:active{transform:scale(.97)}
.chip[aria-pressed="true"]{background:rgba(255,0,249,.14);border-color:var(--accent)}
.chip .tick{width:0;overflow:hidden;transition:width .2s}
.chip[aria-pressed="true"] .tick{width:14px}
.quick{margin-top:14px}
.quick .chip{min-height:38px;font-size:14px;padding:0 14px}

/* option cards */
.cards{display:grid;gap:12px}
.card{text-align:left;width:100%;padding:18px 20px;border-radius:20px;border:1.5px solid transparent;background:var(--surface);cursor:pointer;display:grid;grid-template-columns:1fr auto;gap:4px 16px;align-items:center;transition:border-color .2s,background .2s,transform .15s}
.card:hover{background:#1D1C27}
.card:active{transform:scale(.99)}
.card b{font-size:19px;font-weight:600}
.card span{grid-column:1;color:var(--muted);font-size:15px;line-height:1.4}
.card .radio{grid-column:2;grid-row:1/3;width:24px;height:24px;border-radius:50%;border:1.5px solid var(--line);display:grid;place-items:center}
.card[aria-pressed="true"]{border-color:var(--accent);background:rgba(255,0,249,.09)}
.card[aria-pressed="true"] .radio{border-color:var(--accent);background:var(--accent)}
.card[aria-pressed="true"] .radio::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--bg)}

.group + .group{margin-top:30px}

/* review */
.review{border-top:1px solid var(--line);margin:0 0 24px}
.row{display:grid;grid-template-columns:118px 1fr auto;gap:12px;align-items:baseline;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px}
.row dt{color:var(--muted);margin:0}
.row dd{margin:0;overflow-wrap:anywhere}
.row button{background:none;border:0;color:var(--lavender);cursor:pointer;font-size:14px;padding:2px 0}
.consent{display:flex;gap:14px;align-items:flex-start;cursor:pointer;font-size:15px;color:var(--muted);line-height:1.45}
.consent input{position:absolute;opacity:0}
.box{flex:none;width:24px;height:24px;border-radius:7px;border:1.5px solid var(--line);display:grid;place-items:center;margin-top:1px;transition:background .2s,border-color .2s}
.box svg{width:14px;height:14px;opacity:0}
.consent input:checked + .box{background:var(--accent);border-color:var(--accent)}
.consent input:checked + .box svg{opacity:1}
.consent input:focus-visible + .box{outline:2px solid var(--accent);outline-offset:3px}

/* done */
.mark{width:76px;height:76px;margin:0 0 28px}
.mark circle{stroke:var(--accent);stroke-width:2;fill:none;stroke-dasharray:226;stroke-dashoffset:226}
.mark path{stroke:var(--text);stroke-width:3;fill:none;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:50;stroke-dashoffset:50}
.step.on .mark circle{animation:draw .9s var(--ease) .15s forwards}
.step.on .mark path{animation:draw .5s var(--ease) .8s forwards}
@keyframes draw{to{stroke-dashoffset:0}}

/* footer */
.foot{position:sticky;bottom:0;z-index:3;padding:30px 0 calc(22px + env(safe-area-inset-bottom));display:grid;gap:12px;background:linear-gradient(to bottom,rgba(12,12,17,0),var(--bg) 34%)}
.primary{height:58px;border-radius:18px;border:0;background:var(--text);color:var(--bg);font-size:18px;font-weight:600;cursor:pointer;width:100%;transition:transform .15s,opacity .25s}
.primary:active{transform:scale(.985)}
.primary[disabled]{opacity:.45;cursor:default}
.primary:focus-visible,.chip:focus-visible,.card:focus-visible,.back:focus-visible,.row button:focus-visible,.ghost:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.ghost{display:block;text-align:center;font-size:14px;color:var(--muted);text-decoration:none;padding:4px}
.keyhint{font-size:13px;color:var(--muted);text-align:center}
.keyhint kbd{font-family:inherit;border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:12px}
@media (hover:none){.keyhint{display:none}}
.foot.hidden{visibility:hidden}

.hp{position:absolute;left:-9999px}
.fieldhint{font-size:14px;color:var(--muted);margin:8px 0 0}
.linkcheck{font-size:13px;color:var(--lime);min-height:18px;margin-top:6px;overflow-wrap:anywhere}
.linkcheck:empty{display:none}
.fine{font-size:13px;color:var(--muted);line-height:1.5;margin:18px 0 0;max-width:38em}
.ghost[hidden]{display:none}
@media (max-width:420px){
  .app{padding:0 18px}
  .input{font-size:22px}
  .row{grid-template-columns:96px 1fr auto}
}
@media (prefers-reduced-motion:reduce){
  .glow,.bloom .glow{animation:none}
  .step.on,.step.on.rev{animation:none}
  .bar{transition:none}
  .step.on .mark circle,.step.on .mark path{animation:none;stroke-dashoffset:0}
  .tile{animation:none}
}

.fine a{color:var(--lavender)}
.legal .app{display:block;padding-top:48px;padding-bottom:64px}
.legal h2.qlabel{margin:28px 0 8px}
.legal p{max-width:38em;margin:0 0 12px;color:var(--text)}
.legal .lede{color:var(--muted)}
.legal .backlink{margin-top:36px}
.legal .backlink a{color:var(--lavender)}