/* =========================================================
   superIntellects — RFP module
   Footer band (home) + request-for-proposal page.
   Inherits every token from styles.css.
   ========================================================= */

.foot__bottom--solo{margin-top:0;border-top:0;padding-top:0}

/* ---------- page header ---------- */
.phead{position:relative;z-index:2;padding:130px 0 3.4rem;overflow:hidden;border-bottom:1px solid var(--line)}
.phead__inner{position:relative;z-index:2;max-width:820px}
.crumbs{display:flex;gap:.55rem;align-items:center;font-size:.76rem;color:var(--ink-4);margin-bottom:1.5rem}
.crumbs a{color:var(--ink-3)}
.crumbs a:hover{color:var(--ink)}
.phead h1{font-size:clamp(2.2rem,4.6vw,3.4rem);font-weight:800;letter-spacing:-.045em}
.phead__lede{margin-top:1.2rem;color:var(--ink-2);font-size:1.03rem;line-height:1.75}
.phead__lede b{color:var(--ink)}
.phead__meta{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.8rem}
.phead__meta span{padding:.4rem .8rem;border:1px solid var(--line);border-radius:100px;background:var(--surf-1);color:var(--ink-3)}
.phead__meta b{color:var(--ink)}

/* ---------- layout ---------- */
.sec--rfp{padding:3.4rem 0 6rem}
.rfp__grid{display:grid;grid-template-columns:1fr 340px;gap:2.2rem;align-items:start}

/* ---------- form shell ---------- */
.rform{border:1px solid var(--line);border-radius:var(--r-xl);background:var(--surf-1);padding:2.2rem}
.fsec{border:0;padding:0;margin:0 0 2.4rem}
.fsec:last-of-type{margin-bottom:1.6rem}
.fsec legend{display:flex;align-items:baseline;gap:.7rem;font-size:1.06rem;font-weight:650;letter-spacing:-.028em;
  padding:0 0 1.3rem;width:100%;border-bottom:1px solid var(--line);margin-bottom:1.5rem}
.fsec__n{font-family:var(--font-mono);font-size:.66rem;font-weight:500;color:var(--ink-4);letter-spacing:.14em}

.fgrid{display:grid;gap:1rem}
.fgrid--2{grid-template-columns:1fr 1fr}
.fgrid--3{grid-template-columns:repeat(3,1fr)}
.field{display:grid;gap:.42rem;margin-bottom:1rem}
.fgrid .field{margin-bottom:0}
.fgrid + .field,.fgrid + .fgrid{margin-top:1rem}
.field > span{font-size:.78rem;color:var(--ink-3)}
.field i{font-style:normal;color:var(--ink-2)}
.field input,.field select,.field textarea{width:100%;padding:.78rem .9rem;border-radius:11px;border:1px solid var(--line);
  background:var(--bg);color:var(--ink);font:inherit;font-size:.9rem;transition:.25s var(--ease);resize:vertical}
.field select{appearance:none;-webkit-appearance:none;cursor:pointer;padding-right:2.4rem;
  background-image:linear-gradient(45deg,transparent 50%,currentColor 50%),linear-gradient(135deg,currentColor 50%,transparent 50%);
  background-position:calc(100% - 18px) 55%,calc(100% - 13px) 55%;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-4)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--ink);
  box-shadow:0 0 0 3px rgba(var(--node-ink),.10)}
.field.has-err input,.field.has-err select,.field.has-err textarea{border-color:var(--ink);box-shadow:0 0 0 3px rgba(var(--node-ink),.14)}

.err{display:none;font-style:normal;font-size:.74rem;color:var(--ink);font-weight:600}
.has-err .err{display:block}
.err::before{content:"\21 \20";font-family:var(--font-mono)}

.counter{justify-self:end;font-family:var(--font-mono);font-size:.66rem;color:var(--ink-4)}
.counter.is-near b{color:var(--ink)}

/* ---------- radios and checkboxes ---------- */
.radios{display:flex;flex-wrap:wrap;gap:.5rem}
.radio,.check{display:inline-flex;align-items:center;gap:.55rem;padding:.6rem .85rem;border:1px solid var(--line);
  border-radius:10px;background:var(--bg);font-size:.85rem;color:var(--ink-2);cursor:pointer;transition:.25s var(--ease)}
.radio:hover,.check:hover{border-color:var(--line-2);color:var(--ink)}
.radio input,.check input{appearance:none;-webkit-appearance:none;width:15px;height:15px;margin:0;flex:0 0 auto;
  border:1px solid var(--line-3);background:transparent;position:relative;transition:.2s var(--ease)}
.radio input{border-radius:50%}
.check input{border-radius:4px}
.radio input:checked,.check input:checked{background:var(--ink);border-color:var(--ink)}
.check input:checked::after{content:"";position:absolute;left:4px;top:1px;width:4px;height:8px;
  border-right:2px solid var(--bg);border-bottom:2px solid var(--bg);transform:rotate(42deg)}
.radio input:checked::after{content:"";position:absolute;inset:3px;border-radius:50%;background:var(--bg)}
.radio:has(input:checked),.check:has(input:checked){border-color:var(--ink);color:var(--ink);background:var(--surf-2)}
.checks{display:grid;grid-template-columns:repeat(2,1fr);gap:.5rem}

/* ---------- dropzone ---------- */
.drop{display:grid;justify-items:center;gap:.4rem;padding:2.2rem 1.4rem;text-align:center;cursor:pointer;
  border:1.5px dashed var(--line-2);border-radius:var(--r);background:var(--bg);transition:.25s var(--ease)}
.drop:hover,.drop:focus-visible,.drop.is-over{border-color:var(--ink);background:var(--surf-2);outline:none}
.drop__icon{width:26px;height:26px;color:var(--ink-3);margin-bottom:.3rem}
.drop b{font-size:.92rem;font-weight:600}
.drop span{font-size:.78rem;color:var(--ink-4)}
.filelist{margin-top:.8rem;display:grid;gap:.4rem}
.fileitem{display:flex;align-items:center;gap:.8rem;padding:.6rem .8rem;border:1px solid var(--line);
  border-radius:9px;background:var(--surf-1)}
.fileitem__name{font-size:.84rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fileitem__size{margin-left:auto;color:var(--ink-4);flex:0 0 auto}
.fileitem__rm{width:22px;height:22px;border-radius:6px;line-height:1;font-size:1.1rem;color:var(--ink-3);
  display:grid;place-items:center;flex:0 0 auto;transition:.2s var(--ease)}
.fileitem__rm:hover{background:var(--ink);color:var(--btn-fg)}
.filelist__foot{padding:.3rem .2rem 0;color:var(--ink-4);text-align:right;font-size:.68rem}
#fileErr:not(:empty),#consentErr:not(:empty){display:block;margin-top:.6rem}

/* ---------- consent ---------- */
.consent{padding:1.2rem;border:1px solid var(--line);border-radius:var(--r);background:var(--bg);margin-bottom:1.6rem}
.consent.has-err{border-color:var(--ink);box-shadow:0 0 0 3px rgba(var(--node-ink),.12)}
.check--consent{align-items:flex-start;border:0;background:none;padding:0;font-size:.82rem;line-height:1.65;color:var(--ink-3)}
.check--consent:hover{background:none;color:var(--ink-3)}
.check--consent input{margin-top:.2rem}
.check--consent a{color:var(--ink);border-bottom:1px solid var(--line-2)}

.rform__foot{display:grid;gap:.7rem;justify-items:start}
.rform__foot .btn{min-width:220px}
.rform__note{font-size:.74rem;color:var(--ink-4)}

/* ---------- success ---------- */
.done{border:1px solid var(--line-2);border-radius:var(--r-xl);background:var(--surf-1);padding:2.6rem;text-align:center}
.done__mark{width:52px;height:52px;margin:0 auto 1.4rem;border-radius:50%;display:grid;place-items:center;
  background:var(--ink);color:var(--btn-fg)}
.done__mark svg{width:24px;height:24px}
.done h2{font-size:1.7rem;letter-spacing:-.04em}
.done > p{margin:.9rem auto 0;max-width:52ch;color:var(--ink-2);line-height:1.7;font-size:.94rem}
.done__ref{display:inline-flex;align-items:center;gap:.8rem;margin:1.6rem 0;padding:.6rem 1rem;
  border:1px solid var(--line);border-radius:10px;background:var(--bg)}
.done__ref .mono:first-child{color:var(--ink-4);letter-spacing:.16em;font-size:.6rem}
.done__ref b{font-size:.9rem}
.done__steps{display:grid;gap:.5rem;margin:0 0 1.8rem;text-align:left}
.done__steps li{display:flex;gap:.9rem;align-items:baseline;padding:.7rem .9rem;border:1px solid var(--line);
  border-radius:9px;background:var(--bg)}
.done__steps b{font-size:.8rem;flex:0 0 88px}
.done__steps span{font-size:.84rem;color:var(--ink-2)}

/* ---------- rail ---------- */
.rail{display:grid;gap:1rem;position:sticky;top:96px}
.railcard{padding:1.5rem;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surf-1)}
.railcard--alt{background:var(--surf-3);border-color:var(--line-2)}
.railcard h3{font-size:.95rem;font-weight:650;letter-spacing:-.02em;margin-bottom:.8rem}
.railcard p{font-size:.84rem;color:var(--ink-2);line-height:1.65}
.railcard .btn{margin-top:1.1rem}
.railcard__note{margin-top:.9rem;font-size:.78rem;color:var(--ink-4)}
.railcard__note a{color:var(--ink-2);border-bottom:1px solid var(--line-2)}
.ticks--sm{margin:.9rem 0 0;gap:.45rem}
.ticks--sm li{font-size:.82rem;padding-left:1.4rem}
.ticks--sm li::before{width:10px;height:6px;top:.38em}
.rsteps{display:grid;gap:.55rem;margin-top:.9rem}
.rsteps li{display:grid;gap:.15rem;padding:.65rem .8rem;border:1px solid var(--line);border-radius:9px;background:var(--bg)}
.rsteps b{font-size:.76rem}
.rsteps span{font-size:.79rem;color:var(--ink-3);line-height:1.5}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .rfp__grid{grid-template-columns:1fr}
  .rail{position:static;grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .phead{padding-top:110px}
  .fgrid--2,.fgrid--3{grid-template-columns:1fr}
  .checks{grid-template-columns:1fr}
  .rail{grid-template-columns:1fr}
  .rform{padding:1.6rem}
  .done{padding:1.8rem}
  .done__steps li{flex-direction:column;gap:.2rem}
  .done__steps b{flex:none}
}