/* TradePlane shared site styles: tokens, base, the one nav, the one footer.
   Linked by every page, before the page's own <style>, so a page's own rules win. */

/* ── Design tokens ── */
:root{
  --blue:#3B7DD8;--blue-dim:rgba(59,125,216,.15);--blue-dark:#2B63AD;
  --ink:#111820;--ink-mid:#1C2733;--ink-soft:#253040;
  --chalk:#F0EDE6;--chalk-dim:rgba(240,237,230,.6);--chalk-ghost:rgba(240,237,230,.08);
  --steel:#7A8FA6;--line:rgba(240,237,230,.09);
  --sans:'DM Sans',sans-serif;--mono:'DM Mono',monospace;--display:'Bebas Neue',sans-serif;
  --r:6px;
}
/* ── Base ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{background:var(--ink);color:var(--chalk);font-family:var(--sans);line-height:1.65;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
.wrap{max-width:1100px;margin:0 auto}
.pad{padding:64px 20px}
.btn{
  display:inline-block;font-family:var(--sans);font-size:.9rem;font-weight:600;
  padding:14px 28px;border-radius:var(--r);transition:background .2s,transform .15s,border-color .2s;
  cursor:pointer;letter-spacing:.02em;border:none
}
.btn-primary{background:var(--blue);color:var(--chalk)}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--chalk);border:1px solid rgba(240,237,230,.25)}
.btn-ghost:hover{border-color:var(--chalk)}

/* ── Nav ── */
.sn{
  position:fixed;top:0;left:0;right:0;height:64px;z-index:100;
  background:rgba(17,24,32,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)
}
.sn-in{height:100%;max-width:1240px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 20px}
.sn-logo img{height:32px;width:auto;display:block}
.sn-menu{display:none;list-style:none;align-items:center;gap:2px}
.sn-item{position:relative}
.sn-top{
  display:flex;align-items:center;gap:8px;background:none;border:none;cursor:pointer;
  color:var(--steel);font-family:var(--sans);font-size:.9rem;font-weight:500;padding:10px 12px;transition:color .2s
}
.sn-top::after{
  content:'';width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;
  transform:translateY(-2px) rotate(45deg)
}
.sn-item:hover .sn-top,.sn-item.open .sn-top,.sn-top.current{color:var(--chalk)}
.sn-top:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:4px}
.sn-drop{
  position:absolute;top:100%;left:0;padding-top:6px;min-width:290px;
  opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .15s,transform .15s,visibility .15s
}
.sn-item:hover .sn-drop,.sn-item.open .sn-drop,.sn-item:has(.sn-panel a:focus-visible) .sn-drop{opacity:1;visibility:visible;transform:none}
.sn-panel{background:var(--ink-mid);border:1px solid var(--line);border-radius:var(--r);padding:8px;box-shadow:0 24px 60px rgba(0,0,0,.55)}
.sn-panel a{display:block;padding:10px 12px;border-radius:4px;transition:background .15s}
.sn-panel a:hover,.sn-panel a:focus-visible{background:var(--chalk-ghost)}
.sn-panel strong{display:block;font-size:.92rem;font-weight:600;color:var(--chalk)}
.sn-panel span{display:block;font-size:.8rem;color:var(--steel);line-height:1.45;margin-top:2px}
.sn-panel a[aria-current] strong{color:var(--blue)}
.sn-right{display:flex;align-items:center;gap:10px}
.sn .sn-cta,.sn-mobile .btn{
  font-family:var(--sans);font-size:.85rem;font-weight:600;letter-spacing:.02em;
  padding:10px 20px;border-radius:var(--r);border:none;transform:none
}
.sn .sn-cta:hover{transform:none}
.sn-burger{
  display:flex;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;
  background:none;border:1px solid var(--line);border-radius:var(--r);cursor:pointer;padding:0 10px
}
.sn-burger span{display:block;height:1.5px;background:var(--chalk)}
.sn-mobile{position:fixed;top:64px;left:0;right:0;bottom:0;background:var(--ink);overflow-y:auto;padding:8px 20px 48px;z-index:99}
.sn-mobile[hidden]{display:none}
.sn-mobile h4{font-family:var(--mono);font-size:.7rem;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:var(--blue);margin:24px 0 4px}
.sn-mobile a{display:block;padding:12px 0;font-size:1.05rem;color:var(--chalk);border-bottom:1px solid var(--line)}
.sn-mobile a[aria-current]{color:var(--blue)}
.sn-mobile .btn{display:block;text-align:center;margin-top:28px;border-bottom:none;color:var(--chalk)}
@media(min-width:1000px){
  .sn-menu{display:flex}
  .sn-burger{display:none}
  .sn-mobile{display:none!important}
}
@media(max-width:420px){.sn-cta{display:none}}

/* ── Footer ── */
.sf{background:var(--ink-mid);border-top:1px solid var(--line);padding:56px 20px 28px}
.sf-in{max-width:1100px;margin:0 auto}
.sf-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px 24px}
.sf-brand{grid-column:1/-1}
.sf-logo{height:28px;width:auto;display:block}
.sf-brand p{color:var(--steel);font-size:.9rem;line-height:1.6;max-width:34ch;margin:14px 0 18px}
.sf-badge img{height:48px;width:auto;display:block;opacity:.9;transition:opacity .2s}
.sf-badge:hover img{opacity:1}
.sf-col h4{font-family:var(--mono);font-size:.68rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin-bottom:14px}
.sf-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.sf-col a{color:var(--steel);font-size:.9rem;transition:color .2s}
.sf-col a:hover{color:var(--chalk)}
.sf-bottom{
  border-top:1px solid var(--line);margin-top:44px;padding-top:20px;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:.8rem;color:var(--steel)
}
.sf-bottom ul{list-style:none;display:flex;gap:20px}
.sf-bottom a:hover{color:var(--chalk)}
@media(min-width:768px){
  .pad{padding:80px 32px}
  .sf-grid{grid-template-columns:1.5fr repeat(4,1fr)}
  .sf-brand{grid-column:auto}
}
@media(min-width:1024px){.pad{padding:96px 40px}}
@media(prefers-reduced-motion:reduce){.btn,.sn-drop{transition:none}}