/* 4devs.eu - section layout: bands, tables, forms, faq, footer, cookie banner, responsive, motion */

/* ---------- bands & transitions ---------- */
.band{padding-block:var(--band);border-bottom:1px solid var(--rule)}
.band-ink{
  background:var(--ink);
  color:var(--plaster);
  border-bottom:0;
  position:relative;
}
.band-ink::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:16px;
  background:linear-gradient(to bottom, rgba(0,0,0,0.12), transparent);
  pointer-events:none;
}
.band-ink h2,.band-ink h3{color:var(--paper)}
.band-tight{padding-block:clamp(44px,5vw,68px)}
.band-head{max-width:64ch}
.band-head-row{display:flex;align-items:flex-start;justify-content:space-between;gap:48px}
.band-head-row .band-head{flex:none}

/* Seven slots positioned to trace a numeral "4": top -> diagonal down-left -> crossbar ->
   vertical stroke on the right, top to bottom. Percentages are hand-placed against a 220x230
   box, not computed - nudge individual .four-logo-slot rules if the shape needs adjusting. */
.four-logos{position:relative;width:220px;height:230px;flex:none}
.four-logo-slot{
  position:absolute;width:48px;height:48px;transform:translate(-50%,-50%);
  border-radius:50%;background:var(--paper);border:1px solid var(--rule-strong);
  display:flex;align-items:center;justify-content:center;overflow:hidden;
  box-shadow:0 6px 16px -8px rgba(18,38,43,.28);
}
.four-logo-slot img{width:68%;height:68%;object-fit:contain}
.four-logo-slot:nth-child(1){left:68.2%;top:4.3%}
.four-logo-slot:nth-child(2){left:45.5%;top:32.6%}
.four-logo-slot:nth-child(3){left:13.6%;top:69.6%}
.four-logo-slot:nth-child(4){left:40.9%;top:69.6%}
.four-logo-slot:nth-child(5){left:68.2%;top:69.6%}
.four-logo-slot:nth-child(6){left:68.2%;top:37%}
.four-logo-slot:nth-child(7){left:68.2%;top:95.7%}
@media (max-width:900px){
  .band-head-row{flex-direction:column;gap:24px}
  .four-logos{width:100%;max-width:220px}
  .code-type-deco{max-width:none;width:100%}
}
@media (max-width:640px){
  .four-logos{display:none}
  .code-type-deco{display:none}
}
.code-type-deco{
  flex:1;min-width:260px;max-width:400px;margin-top:6px;
  background:var(--ink);border-radius:10px;padding:20px 22px;
  box-shadow:0 18px 40px -18px rgba(18,38,43,.35);
}
.code-type-lines{font-family:var(--mono);font-size:.78rem;line-height:1.85;min-height:7.4em}
.code-type-line{white-space:pre;color:#cfd8d6}
.code-type-line .tok-kw{color:#7FC7E0}
.code-type-line .tok-fn{color:#E6C673}
.code-type-line .tok-str{color:#9FD9A8}
.code-type-line .tok-cm{color:#7A8C8C;font-style:italic}
.code-type-line .tok-op{color:#E58A6F}
.code-type-cursor{display:inline-block;width:7px;height:1em;background:var(--sun);vertical-align:text-bottom;margin-left:1px;animation:codeCursorBlink 1s step-end infinite}
@keyframes codeCursorBlink{50%{opacity:0}}
.band-head h2{margin-top:16px}
.band-head p{margin-top:18px}

/* ---------- rules strip ---------- */
.rules{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--rule-dark);margin-top:44px;border:1px solid var(--rule-dark)}
.rule-card{background:var(--ink);padding:26px 22px}
.rule-card .no{font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;color:var(--debit);text-transform:uppercase}
.rule-card h3{margin-top:12px;font-size:1.08rem;color:var(--paper)}
.rule-card p{margin-top:10px;font-family:var(--serif);font-size:.92rem;line-height:1.6;color:#A9BCBE}

/* ---------- data table ---------- */
.table-wrap{margin-top:42px}
.mc-wrap{display:none}
table{width:100%;border-collapse:collapse;font-size:.9rem;table-layout:fixed}
thead th{
  font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);
  text-align:left;padding:0 18px 14px;border-bottom:1px solid var(--rule-strong);font-weight:500;
}
tbody td{padding:22px 18px;border-bottom:1px solid var(--rule);vertical-align:top}
tbody tr:first-child td{padding-top:24px}
tbody tr:last-child td{border-bottom:0}
.model{font-family:var(--mono);font-weight:600;font-size:.9rem;color:var(--ink)}
.model small{display:block;font-family:var(--display);font-size:.78rem;color:var(--muted);margin-top:4px;letter-spacing:0}
.tag{
  display:inline-block;font-family:var(--mono);font-size:.64rem;letter-spacing:.1em;text-transform:uppercase;
  padding:4px 9px;border-radius:100px;
}
.tag-free{background:rgba(15,92,116,.12);color:var(--sea)}
.tag-credit{background:rgba(224,165,38,.2);color:#8A6210}
.cell-note{font-family:var(--serif);font-size:.88rem;color:#3A5155;line-height:1.55}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--rule);border:1px solid var(--rule);margin-top:44px;border-radius:8px;overflow:hidden}
.step{background:var(--paper);padding:30px 26px}
.step .num{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;color:var(--sea)}
.step h3{margin-top:14px}
.step p{margin-top:12px;font-family:var(--serif);font-size:.94rem;line-height:1.62;color:#3A5155}

/* ---------- calculator ---------- */
.calc{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,3vw,48px);align-items:start;margin-top:48px}
.calc-copy{padding-top:clamp(22px,2.6vw,32px)}
.calc-panel{
  position:relative;background:var(--paper);border-radius:10px;padding:clamp(22px,2.6vw,32px);
  border:1px solid var(--rule-strong);border-top:3px solid var(--ink);
  box-shadow:0 20px 40px -30px rgba(18,38,43,.35);
}
.slider-label{display:flex;justify-content:space-between;align-items:baseline;color:var(--muted)}
.slider-label span{font-family:var(--display);font-size:1.15rem;font-weight:600;letter-spacing:-.01em;text-transform:none;color:var(--ink)}
.slider-label b{font-family:var(--display);font-size:2.6rem;font-weight:700;color:var(--ink);letter-spacing:-.03em;line-height:1}
input[type=range]{width:100%;margin-top:14px;accent-color:var(--sea);height:22px}
.calc-out{margin-top:28px;border-top:1px solid var(--rule);padding-top:22px;display:flex;flex-direction:column;gap:16px}
.calc-out-group{display:grid;gap:12px}
.calc-out-group.quiet{gap:9px}
.out-row.sub{opacity:.68}
.out-row.sub .v{font-size:.88rem;font-weight:400}
.out-row-divider{height:1px;background:linear-gradient(90deg,transparent,var(--rule-strong),transparent)}
.out-row{display:flex;justify-content:space-between;align-items:baseline;gap:16px}
.out-row .k{font-family:var(--mono);font-size:.74rem;color:var(--muted);letter-spacing:.04em}
.out-row .v{font-family:var(--mono);font-size:1rem;font-variant-numeric:tabular-nums;font-weight:500}
.model-switch{display:grid;grid-template-columns:repeat(auto-fill,minmax(92px,1fr));gap:6px;margin-top:0}
.model-switch button{
  font-family:var(--mono);font-size:.64rem;padding:8px 6px 8px 20px;border-radius:5px;cursor:pointer;
  position:relative;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  border:1px solid var(--rule-strong);background:transparent;color:var(--muted);
  transition:opacity .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.model-switch button::before{
  content:"";position:absolute;left:8px;top:50%;transform:translateY(-50%);
  width:5px;height:5px;border-radius:50%;background:var(--sea);
}
.model-switch button[data-tier="credit"]::before{background:var(--sun)}
.model-switch button.is-hidden{display:none}
.model-picker{margin-top:22px}
.model-picker-label{display:block;font-family:var(--display);font-weight:600;font-size:.8rem;letter-spacing:.09em;color:var(--ink);margin-bottom:8px}
.model-search-wrap{position:relative;margin-bottom:10px}
.model-search-wrap svg{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none}
.model-search{
  width:100%;font-family:var(--display);font-size:.85rem;padding:9px 12px 9px 34px;
  border-radius:6px;border:1px solid var(--rule-strong);background:var(--paper);color:var(--ink);
  text-overflow:ellipsis;
}
.model-search::placeholder{color:#8B9B9E}
.model-search:focus{outline:none;border-color:var(--sea);box-shadow:0 0 0 3px rgba(15,92,116,.14)}
.model-search-result{margin-top:10px;display:none;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 14px;border-radius:6px;background:var(--paper);
  border:2px solid var(--ink);box-shadow:0 6px 16px -10px rgba(18,38,43,.4);}
.model-search-result.show{display:flex}
.model-search-result .name{font-family:var(--mono);font-size:.78rem;color:var(--ink);font-weight:600}
.model-search-result .est{font-family:var(--mono);font-size:.68rem;color:var(--muted)}
.model-search-result button{
  flex:none;font-family:var(--display);font-weight:600;font-size:.72rem;padding:7px 14px;border-radius:5px;
  border:1px solid var(--ink);background:var(--ink);color:var(--paper);cursor:pointer;white-space:nowrap;
  transition:background .2s ease;
}
.model-search-result button:hover{background:var(--ink-2)}
.model-search-result.no-match{border-color:var(--rule-strong);box-shadow:none}
.model-search-result.no-match .name{color:var(--muted);font-weight:400;font-style:italic}
.model-switch button:hover{opacity:1;background:rgba(18,38,43,.045)}
.model-switch button[aria-pressed="true"]{
  background:var(--ink);color:var(--paper);border-color:var(--ink);opacity:1;
}
.model-switch button[aria-pressed="true"]::before{background:var(--sun)}
.calc-note{margin-top:20px;font-family:var(--mono);font-size:.7rem;line-height:1.7;color:var(--muted)}

/* ---------- two column split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;margin-top:46px}
.split > div{padding-right:clamp(20px,3vw,44px)}
.split > div + div{padding-right:0;padding-left:clamp(20px,3vw,44px);border-left:1px solid var(--rule-dark)}
.split .k{font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--sun)}
.split h3{margin-top:15px}

/* ---------- signal stats ---------- */
.signals{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--rule);border:1px solid var(--rule);margin-top:44px;border-radius:8px;overflow:hidden}
.signal{background:var(--plaster);padding:24px 22px}
.signal .v{font-family:var(--mono);font-size:1.5rem;font-weight:700;letter-spacing:-.03em;color:var(--sea)}
.signal-icon{display:block;color:var(--ink);margin-bottom:10px}
.signals-3{grid-template-columns:repeat(3,1fr)}
.signal .k{margin-top:8px;font-size:.86rem;font-weight:600;letter-spacing:-.01em}
.signal p{margin-top:7px;font-family:var(--serif);font-size:.85rem;line-height:1.5;color:var(--muted)}

/* ---------- waitlist form ---------- */
.form-card{
  margin-top:46px;background:var(--paper);border:1px solid var(--rule-strong);border-radius:10px;
  padding:clamp(26px,3.4vw,46px);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.f-full{grid-column:1/-1}
label.lab{display:block;font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:9px}
select.input{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 19px) center,calc(100% - 14px) center;background-size:5px 5px,5px 5px;background-repeat:no-repeat;width:100%}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips input{position:absolute;opacity:0;width:0;height:0}
.chips label{
  font-family:var(--mono);font-size:.74rem;padding:8px 13px;border-radius:100px;cursor:pointer;
  border:1px solid var(--rule-strong);color:#3A5155;transition:.14s;user-select:none;
}
.chips label:hover{border-color:var(--ink)}
.chips input:checked + label{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.chips input:focus-visible + label{outline:2px solid var(--sea);outline-offset:2px}
.checkline{display:flex;gap:11px;align-items:flex-start;font-family:var(--serif);font-size:.92rem;color:#3A5155;line-height:1.5}
.checkline input{margin-top:4px;accent-color:var(--sea);width:16px;height:16px;flex:none}
.form-foot{display:flex;flex-wrap:wrap;gap:18px;align-items:center;margin-top:28px;padding-top:24px;border-top:1px solid var(--rule)}
.form-foot .btn{padding-inline:30px}
.form-note{font-family:var(--mono);font-size:.7rem;line-height:1.65;color:var(--muted);max-width:44ch}
.success{display:none;text-align:center;padding:26px 0}
.success h3{font-size:1.5rem}
.success p{margin-top:14px}
.form-card.done .form-grid,.form-card.done .form-foot{display:none}
.form-card.done .success{display:block}

/* ---------- Custom Select Dropdowns ---------- */
.cs-wrapper { position: relative; width: 100%; }
.cs-trigger { cursor: pointer; display: flex; justify-content: space-between; align-items: center; user-select: none; }
.cs-trigger span { display: flex; align-items: center; gap: 8px; }
.cs-dropdown { position: absolute; top: calc(100% + 4px); left: 0; right: 0; background: var(--paper); border: 1px solid var(--rule-strong); border-radius: 6px; box-shadow: 0 4px 12px rgba(18,38,43,0.15); z-index: 100; display: none; padding: 8px; }
.cs-dropdown.open { display: block; }
.cs-search { width: 100%; margin-bottom: 8px; padding: 8px 12px; font-size: .85rem; }
.cs-options { list-style: none; margin: 0; padding: 0; max-height: 220px; overflow-y: auto; }
.cs-options li { padding: 8px 12px; cursor: pointer; border-radius: 4px; font-size: .9rem; display: flex; align-items: center; gap: 10px; transition: background .2s ease; }
.cs-options li:hover { background: rgba(18,38,43,0.05); }
.cs-flag { font-size: 1.1rem; flex: none; }
.cs-empty { color: var(--muted); padding: 8px 12px; font-size: .85rem; text-align: center; }

/* ---------- pages ---------- */
.page-view{min-height:100vh;background:var(--plaster);animation:pageIn .3s ease both}
#privacyPage .prose-lg h3{
  margin-top:38px;padding-top:26px;border-top:1px solid var(--rule);
  font-family:var(--display);font-size:1.05rem;letter-spacing:-.01em;color:var(--ink);
}
#privacyPage .prose-lg h3:first-of-type{margin-top:0;padding-top:0;border-top:0}
#privacyPage .prose-lg p{margin-top:12px}
#privacyPage .prose-lg p + p{margin-top:14px}
.page-view[hidden]{display:none}
@keyframes pageIn{from{opacity:0}to{opacity:1}}
.page-topbar{border-bottom:1px solid var(--rule)}
.page-topbar-in{display:flex;align-items:center;justify-content:space-between;height:62px}
.back-link{
  display:inline-flex;align-items:center;gap:9px;font-family:var(--display);font-weight:600;
  font-size:.9rem;color:var(--ink);background:none;border:0;padding:8px 4px;cursor:pointer;
  transition:opacity .2s ease;
}
.back-link:hover{opacity:.65}
.back-link svg{flex:none}
@media (max-width:640px){
  .page-view .form-card{padding:clamp(22px,6vw,32px)}
}

/* ---------- faq ---------- */
.faq{margin-top:44px;border-top:1px solid var(--rule)}
details{border-bottom:1px solid var(--rule)}
summary{
  list-style:none;cursor:pointer;padding:22px 0;display:flex;gap:18px;align-items:baseline;
  font-size:1.06rem;font-weight:600;letter-spacing:-.018em;
}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";margin-left:auto;font-family:var(--mono);font-size:1.15rem;color:var(--sea);flex:none;transition:transform .18s ease}
details[open] summary::after{transform:rotate(45deg)}
summary .q{font-family:var(--mono);font-size:.7rem;color:var(--muted);flex:none;padding-top:4px}
.answer{padding:0 0 24px 44px;max-width:76ch}
.answer p + p{margin-top:14px}
.answer code{font-family:var(--mono);font-size:.86em;background:rgba(15,92,116,.09);padding:2px 6px;border-radius:4px;color:var(--sea)}

/* ---------- final cta ---------- */
.final{padding-block:clamp(70px,8vw,120px);text-align:center}
.final h2{max-width:18ch;margin-inline:auto}
.final p{margin-top:20px;max-width:56ch;margin-inline:auto}
.final .btns{margin-top:34px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ---------- footer ---------- */
.footer{background:var(--ink);color:#A9BCBE;padding-block:clamp(48px,5vw,72px);font-size:.88rem}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:clamp(24px,3vw,48px)}
.footer h4{font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:#7B9296;font-weight:500}
.footer ul{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:11px}
.footer a{text-decoration:none;color:#A9BCBE}
.link-btn{
  font:inherit;background:none;border:0;padding:0;margin:0;cursor:pointer;
  color:inherit;text-decoration:underline;text-decoration-color:rgba(224,165,38,.6);
  text-underline-offset:2px;transition:opacity .2s ease;
}
.link-btn:hover{opacity:.7}
.footer .link-btn{color:#A9BCBE;text-decoration:none}
.footer .link-btn:hover{color:var(--sun);opacity:1}
.sponsors .link-btn,
#sponsors .link-btn{color:var(--sun)}
.footer a:hover{color:var(--sun)}
.footer .blurb{font-family:var(--serif);font-size:.92rem;line-height:1.6;margin-top:16px;max-width:36ch;color:#8FA5A8}
.footer-bottom{margin-top:clamp(36px,4vw,56px);padding-top:24px;border-top:1px solid var(--rule-dark);display:flex;flex-wrap:wrap;gap:16px;align-items:center;font-family:var(--mono);font-size:.7rem;color:#7B9296}
.footer-bottom .sp{margin-left:auto}

/* ---------- cookie banner ---------- */
.cookie-banner{
  position:fixed;
  bottom:20px;
  right:20px;
  max-width:360px;
  background:var(--paper);
  border:1px solid var(--rule-strong);
  border-radius:10px;
  padding:16px 18px;
  box-shadow:0 16px 36px -12px rgba(18,38,43,0.35);
  z-index:99;
  display:flex;
  flex-direction:column;
  gap:10px;
  animation:cookieIn .35s cubic-bezier(.2,.8,.2,1) both;
}
@keyframes cookieIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
.cookie-banner[hidden]{display:none !important}
.cookie-banner.leaving{animation:cookieOut .38s cubic-bezier(.4,0,.7,.2) both}
@keyframes cookieOut{to{opacity:0;transform:translateY(10px) scale(.97)}}
.cookie-text{font-family:var(--serif);font-size:.78rem;color:#2B4348;line-height:1.45}
.cookie-btns{display:flex;gap:8px;justify-content:flex-end}
.cookie-btns .btn{font-size:.76rem;padding:8px 14px}
.cookie-btns .btn{padding:8px 14px;font-size:.8rem}
.cookie-confirm{
  display:none;align-items:center;gap:10px;padding:2px 0;
}
.cookie-banner.confirming .cookie-main{display:none}
.cookie-banner.confirming .cookie-confirm{display:flex;animation:confirmIn .4s cubic-bezier(.2,.8,.2,1) both}
@keyframes confirmIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.cookie-confirm-icon{
  flex:none;width:24px;height:24px;border-radius:50%;background:var(--sea);color:#fff;
  display:flex;align-items:center;justify-content:center;
  animation:checkPop .45s cubic-bezier(.34,1.56,.64,1) .08s both;
}
@keyframes checkPop{from{transform:scale(0);opacity:0}to{transform:scale(1);opacity:1}}
.cookie-confirm-text{font-family:var(--display);font-weight:600;font-size:.9rem;color:var(--ink);letter-spacing:-.01em}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(14px);transition:opacity .6s ease, transform .6s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .rules{grid-template-columns:1fr 1fr}
  .signals{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .signals-3 .signal:nth-child(3){
    grid-column:1/-1;display:flex;flex-direction:column;align-items:center;text-align:center;
    max-width:320px;margin:0 auto;
  }
}
@media (max-width:860px){
  .nav{display:none}
  .menu-btn{display:flex}
  
  .topbar.open .nav{
    display:flex;
    position:absolute;
    top:100%;
    left:0;
    right:0;
    flex-direction:column;
    gap:0;
    background:var(--plaster);
    border-bottom:1px solid var(--rule-strong);
    box-shadow:0 16px 32px -12px rgba(18,38,43,0.3);
    padding:8px var(--gut) 18px;
    margin:0;
  }
  /* when the header is over a dark section, the open menu goes navy to match instead of clashing */
  .topbar.on-dark.open .nav{
    background:#16323A;
    border-bottom:1px solid rgba(255,255,255,.1);
    box-shadow:0 16px 32px -12px rgba(0,0,0,.55);
  }
  .topbar.on-dark.open .nav a,
  .topbar.on-dark.open .nav .nav-link-btn{color:var(--paper)}
  .topbar.on-dark.open .nav a:hover,
  .topbar.on-dark.open .nav .nav-link-btn:hover{color:var(--sun)}
  .topbar.open .nav a,.topbar.open .nav .nav-link-btn{padding:12px 0;text-align:left;width:100%}
  .steps,.split,.calc{grid-template-columns:1fr}
  .calc-copy{padding-top:0}
  .form-grid{grid-template-columns:1fr}
  .table-wrap{overflow-x:auto}
  table{min-width:620px}
}
@media (max-width:560px){
  body{font-size:16px}
  .rules,.signals{grid-template-columns:1fr}
  .signals-3 .signal:nth-child(3){grid-column:auto;max-width:none;margin:0;align-items:flex-start;text-align:left}
  .field-row{flex-direction:column}
  .out-row{flex-direction:column;align-items:flex-start;gap:2px}
  .calc-panel{padding:24px 20px;border-radius:14px;border-top-width:2px}
  .slider-label span{font-size:1.05rem}
  .slider-label b{font-size:2.7rem}
  input[type=range]{margin-top:18px;height:26px}
  .model-picker{margin-top:26px}
  .model-picker-label{font-size:.78rem;margin-bottom:11px}
  .model-search-wrap{margin-bottom:10px}
  .model-search{font-size:.88rem;padding:11px 14px 11px 38px;border-radius:8px}
  .model-search-wrap svg{left:13px;width:16px;height:16px}
  .model-search-result{padding:11px 14px;margin-top:10px;border-radius:8px}
  .model-search-result .name{font-size:.78rem}
  .model-search-result .est{font-size:.68rem}
  .model-search-result button{font-size:.72rem;padding:7px 13px}
  .calc-out{margin-top:26px;padding-top:22px;gap:16px}
  .calc-out-group.quiet,.out-row-divider,.calc-note{display:none}
  .out-row .k{font-size:.72rem}
  .out-row .v{font-size:1.08rem}
  .model-switch{grid-template-columns:1fr 1fr;gap:9px}
  .model-switch button{white-space:normal;overflow:visible;text-overflow:clip;font-size:.72rem;padding:12px 10px 12px 24px;line-height:1.35;border-radius:7px}
  .model-switch button::before{left:9px;width:5px;height:5px}
  .footer-grid{grid-template-columns:1fr}
  .answer{padding-left:0}
  .cookie-banner{left:16px;right:16px;bottom:16px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .rv{opacity:1;transform:none}
}

/* ---------- typography refinements ---------- */
.eyebrow{font-family:var(--display);font-weight:700;font-size:.8rem;letter-spacing:.12em;line-height:1;gap:12px}
.eyebrow::before{width:7px;height:7px;background:var(--sun);transform:rotate(45deg);border-radius:1px}
.on-ink .eyebrow::before{background:var(--sun)}
.mark{font-family:var(--display);font-weight:800;font-size:1.06rem;letter-spacing:-.035em;cursor:pointer;transition:opacity .2s ease}
.mark:hover{opacity:.7}
.microcopy{font-family:var(--display);font-size:.83rem;line-height:1.6;font-weight:400}
.floor-note{font-family:var(--display);font-size:.79rem;line-height:1.6}
.rule-card .no{font-family:var(--display);font-weight:700;font-size:.78rem;letter-spacing:.12em}
thead th{font-family:var(--display);font-weight:700;font-size:.76rem;letter-spacing:.1em;color:#42585C}
.tag{font-family:var(--display);font-weight:600;font-size:.72rem;letter-spacing:.06em}
.step .num{font-family:var(--display);font-weight:700;font-size:.78rem;letter-spacing:.12em}
.slider-label{font-family:var(--display);font-weight:600;font-size:.8rem;letter-spacing:.09em}
.out-row .k{font-family:var(--display);font-weight:500;font-size:.86rem;letter-spacing:0;color:#46595D}
.calc-note{font-family:var(--display);font-size:.81rem;line-height:1.6}
.split .k{font-family:var(--display);font-weight:700;font-size:.78rem;letter-spacing:.12em}
.signal .v{font-family:var(--display);font-weight:750;font-size:2rem;letter-spacing:-.04em}
label.lab{font-family:var(--display);font-weight:600;font-size:.78rem;letter-spacing:.09em}
.chips label{font-family:var(--display);font-weight:500;font-size:.85rem;letter-spacing:-.005em}
.form-note{font-family:var(--display);font-size:.83rem;line-height:1.6}
summary .q{font-family:var(--display);font-weight:700;font-size:.8rem;letter-spacing:.07em;color:var(--sea);width:26px}
.footer h4{font-family:var(--display);font-weight:700;font-size:.78rem;letter-spacing:.11em}
.footer-bottom{font-family:var(--display);font-size:.83rem;letter-spacing:0}
.success .microcopy{font-size:.88rem;max-width:46ch;margin-inline:auto}

/* ---------- motion & animations ---------- */
@keyframes riseIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
@keyframes faqIn{from{opacity:0;transform:translateY(-7px)}to{opacity:1;transform:none}}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

.seq{opacity:0;animation:riseIn .85s cubic-bezier(.2,.75,.25,1) forwards;animation-delay:var(--d,0s)}
.progress{display:none}

.topbar{transition:background .3s ease, box-shadow .3s ease, border-color .3s ease}
.topbar-in{transition:height .28s ease}
.topbar.scrolled{box-shadow:0 12px 34px -26px rgba(18,38,43,.75)}
.topbar.scrolled .topbar-in{height:54px}
.nav a{transition:color .18s ease, border-color .18s ease}

.ticker{background:var(--ink);color:#93A9AC;overflow:hidden}
.ticker-in{display:flex;align-items:center;gap:22px;height:50px}
.ticker-label{flex:none;font-family:var(--display);font-weight:700;font-size:.73rem;letter-spacing:.13em;text-transform:uppercase;color:var(--sun)}
.ticker-mask{position:relative;flex:1;overflow:hidden;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.ticker-track{display:flex;width:max-content;animation:marquee 46s linear infinite}
.ticker:hover .ticker-track,.ticker:focus-within .ticker-track{animation-play-state:paused}
.ticker-track span{display:inline-flex;align-items:center;gap:24px;padding-right:24px;white-space:nowrap;
  font-family:var(--display);font-weight:500;font-size:.83rem;letter-spacing:.11em;text-transform:uppercase}
.ticker-track span::after{content:"";width:5px;height:5px;background:var(--sea-lift);transform:rotate(45deg);border-radius:1px}

.rule-card{position:relative;transition:background .28s ease}
.rule-card::after{content:"";position:absolute;left:0;top:0;height:2px;width:100%;background:var(--sun);
  transform:scaleX(0);transform-origin:left;transition:transform .45s cubic-bezier(.2,.8,.2,1)}
.rule-card:hover{background:#152C32}
.rule-card:hover::after{transform:scaleX(1)}

.step{position:relative;transition:transform .28s cubic-bezier(.2,.8,.2,1), box-shadow .28s ease}
.steps .step:hover{transform:translateY(-5px);box-shadow:0 24px 40px -30px rgba(18,38,43,.85);z-index:2}
.signals .signal{position:relative}
.footer a{transition:color .2s ease}

.out-row #promptOut{transition:transform .25s ease;display:inline-block}
.calc-panel.pulse #promptOut{transform:scale(1.06)}

summary{transition:color .2s ease}
summary:hover{color:var(--sea)}
summary::after{transition:transform .25s cubic-bezier(.2,.8,.2,1), color .2s ease}
details[open] .answer{animation:faqIn .3s ease both}

.final{position:relative;overflow:hidden}
.final::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(to bottom,transparent 0 31px,rgba(231,229,221,.05) 31px 32px);
  -webkit-mask-image:radial-gradient(60% 60% at 50% 50%,#000,transparent);
  mask-image:radial-gradient(60% 60% at 50% 50%,#000,transparent)}
.final .wrap{position:relative}

.rv{transition:opacity .7s ease, transform .7s cubic-bezier(.2,.75,.25,1);transition-delay:var(--sd,0s)}
.rv-child{opacity:0;transform:translateY(18px);
  transition:opacity .65s ease var(--sd,0s), transform .65s cubic-bezier(.2,.75,.25,1) var(--sd,0s), padding-left .25s ease}
.rv-child.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  .seq{opacity:1;animation:none}
  .ticker-track{animation:none}
  .rv-child{opacity:1;transform:none}
  .steps .step:hover{transform:none}
}

.signup{background:transparent;border:0;box-shadow:none;padding:0}
.signup-kicker{font-family:var(--display);font-weight:700;font-size:.73rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--sea)}
.signup-title{margin-top:11px;font-size:clamp(1.55rem,2.3vw,1.95rem);letter-spacing:-.032em}
.signup-sub{margin-top:12px;font-family:var(--serif);font-size:.95rem;line-height:1.6;color:#3A5155}
.signup .hero-form{margin-top:26px;max-width:none}
.signup-facts{list-style:none;margin:24px 0 0;padding:20px 0 0;border-top:1px solid var(--rule);display:grid;gap:11px}
.signup-facts li{display:flex;gap:11px;align-items:flex-start;font-family:var(--display);font-size:.86rem;font-weight:500;color:#3A5155}
.signup-facts li::before{content:"";flex:none;width:6px;height:6px;margin-top:.5em;background:var(--sun);transform:rotate(45deg);border-radius:1px}
@media (max-width:1080px){.signup{max-width:560px}}

.split{margin-top:56px}
.split h3{margin-top:18px;font-size:clamp(1.28rem,2vw,1.58rem);line-height:1.22;max-width:24ch}
.split ul{margin:36px 0 0;padding:0;list-style:none;display:block}
.split li{display:block;padding:26px 0;border-top:1px solid rgba(231,229,221,.11);transition:padding-left .25s ease}
.split li:first-child{border-top:0;padding-top:6px}
.split li:last-child{padding-bottom:6px}
.split li:hover{padding-left:8px}
.split li::before{content:none}
.split li b{display:flex;align-items:center;gap:12px;font-family:var(--display);font-weight:600;font-size:1.03rem;letter-spacing:-.015em;color:var(--paper);margin-bottom:11px}
.split li b::before{content:"";flex:none;width:6px;height:6px;background:var(--sun);transform:rotate(45deg);border-radius:1px;transition:background .25s ease}
.split li:hover b::before{background:var(--sea-lift)}
.split li span{display:block;padding-left:18px;font-family:var(--serif);font-size:1rem;line-height:1.75;color:#A9BCBE}
@media (max-width:860px){
  .split{grid-template-columns:1fr;row-gap:8px}
  .split > div + div{border-left:0;border-top:1px solid var(--rule-dark);padding-left:0;padding-top:clamp(24px,4vw,36px);margin-top:8px}
  .split li span{padding-left:0}
  .split h3{max-width:none}
}
/* ============================================================
   IDE SANDBOX - namespaced ide-*, dark VS-Code-style shell
   The chrome is a convincing mockup; the AI panel on the right
   is the one part that actually runs.
   ============================================================ */
.ide-wrap{margin-top:42px}
.ide-shell{
  border-radius:10px;overflow:hidden;border:1px solid rgba(0,0,0,.35);
  box-shadow:0 40px 80px -30px rgba(18,38,43,.55);
  background:#1e1e1e;color:#cccccc;font-family:var(--mono);
  min-width:900px;
}
.ide-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}

/* title bar */
.ide-titlebar{
  height:34px;background:#323233;display:flex;align-items:center;
  padding:0 14px;gap:8px;border-bottom:1px solid #1a1a1a;flex:none;
}
.ide-dot{width:11px;height:11px;border-radius:50%;flex:none}
.ide-dot.r{background:#ff5f57}.ide-dot.y{background:#febc2e}.ide-dot.g{background:#28c840}
.ide-titlebar-label{
  flex:1;text-align:center;font-size:.72rem;color:#9a9a9a;letter-spacing:.02em;
  font-family:var(--display);
}

/* menu bar (decorative) */
.ide-menubar{
  height:28px;background:#3c3c3c;display:flex;align-items:center;gap:18px;
  padding:0 14px;border-bottom:1px solid #1a1a1a;flex:none;font-size:.72rem;
  font-family:var(--display);color:#c7c7c7;user-select:none;
}
.ide-menubar span{cursor:default;opacity:.85}

.ide-body{display:flex;height:560px}

/* activity bar */
.ide-activitybar{
  width:46px;background:#333333;display:flex;flex-direction:column;align-items:center;
  padding-top:10px;gap:2px;flex:none;border-right:1px solid #1a1a1a;
}
.ide-actbtn{
  width:46px;height:42px;display:flex;align-items:center;justify-content:center;
  background:none;border:0;color:#858585;cursor:pointer;position:relative;
}
.ide-actbtn:hover{color:#ffffff}
.ide-actbtn.active{color:#ffffff}
.ide-actbtn.active::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:2px;background:#ffffff}
.ide-actbtn-spacer{flex:1}
.ide-actbtn.ext{color:var(--sun)}
.ide-actbtn.ext:hover{color:#F0BC4C}
.ide-actbtn.ext::after{
  content:"";position:absolute;bottom:5px;right:6px;width:6px;height:6px;border-radius:50%;
  background:var(--sun);box-shadow:0 0 0 2px #333333;
}

/* left sidebar (explorer / search / scm / extensions) */
.ide-sidebar{
  width:210px;background:#252526;border-right:1px solid #1a1a1a;flex:none;
  overflow-y:auto;font-size:.8rem;
}
.ide-sidebar-head{
  padding:9px 16px;font-size:.68rem;letter-spacing:.09em;text-transform:uppercase;
  color:#bbbbbb;font-family:var(--display);font-weight:600;
}
.ide-tree{list-style:none;margin:0;padding:0 0 10px}
.ide-tree li{display:flex;align-items:center;gap:6px;padding:3px 16px;cursor:pointer;color:#cccccc;white-space:nowrap}
.ide-tree li:hover{background:#2a2d2e}
.ide-tree li.active{background:#37373d}
.ide-tree .ide-folder{padding-left:16px;font-weight:500}
.ide-tree .ide-file{padding-left:30px}
.ide-tree svg{flex:none;opacity:.8}
.ide-panel-msg{padding:14px 16px;font-family:var(--display);font-size:.78rem;line-height:1.6;color:#9a9a9a}
.ide-panel-msg b{color:#cccccc}
.ide-scm-item{display:flex;align-items:center;gap:8px;padding:5px 16px;font-family:var(--display);font-size:.78rem;color:#cccccc}
.ide-scm-badge{width:16px;height:16px;border-radius:3px;display:flex;align-items:center;justify-content:center;font-size:.62rem;font-weight:700;flex:none}
.ide-scm-badge.m{background:#4c5c31;color:#c5e478}
.ide-scm-badge.a{background:#2d4a3e;color:#89d4a8}
.ide-search-input{
  margin:8px 12px;width:calc(100% - 24px);background:#3c3c3c;border:1px solid #5a5a5a;
  border-radius:3px;padding:6px 9px;color:#eee;font-family:var(--display);font-size:.78rem;
}
.ide-search-input:focus{outline:1px solid #007acc}
.ide-search-input::placeholder{color:#8a8a8a}

/* editor */
.ide-editor{flex:1;min-width:340px;display:flex;flex-direction:column;background:#1e1e1e}
.ide-tabs{display:flex;background:#252526;border-bottom:1px solid #1a1a1a;overflow-x:auto;flex:none}
.ide-tab{
  display:flex;align-items:center;gap:8px;padding:0 14px;height:36px;font-size:.78rem;
  background:#2d2d2d;border-right:1px solid #1a1a1a;color:#8a8a8a;cursor:pointer;white-space:nowrap;flex:none;
}
.ide-tab.active{background:#1e1e1e;color:#ffffff;box-shadow:inset 0 -2px 0 var(--sea-lift)}
.ide-tab:hover{color:#dddddd}
.ide-tab-close{
  width:16px;height:16px;border-radius:3px;display:flex;align-items:center;justify-content:center;
  color:inherit;opacity:0;transition:opacity .12s ease, background-color .12s ease;
}
.ide-tab:hover .ide-tab-close,.ide-tab.active .ide-tab-close{opacity:.75}
.ide-tab-close:hover{background:rgba(255,255,255,.12);opacity:1 !important}
.ide-codewrap{flex:1;overflow:auto;padding:16px 0}
.ide-code{
  display:flex;font-size:.82rem;line-height:1.65;font-family:var(--mono);
}
.ide-gutter{
  flex:none;padding:0 14px;text-align:right;color:#5a5a5a;user-select:none;
}
.ide-gutter div, .ide-lines div{height:1.65em}
.ide-lines{padding:0 16px;white-space:pre;color:#d4d4d4}
.ide-lines .tok-k{color:#569cd6}
.ide-lines .tok-s{color:#ce9178}
.ide-lines .tok-c{color:#6a9955}
.ide-lines .tok-n{color:#b5cea8}
.ide-empty{display:flex;align-items:center;justify-content:center;height:100%;color:#5a5a5a;font-family:var(--display);font-size:.85rem}

/* status bar */
.ide-statusbar{
  height:24px;background:var(--sea);color:#fff;display:flex;align-items:center;
  justify-content:space-between;padding:0 12px;font-size:.7rem;font-family:var(--display);flex:none;
}
.ide-statusbar span{display:flex;align-items:center;gap:6px}