.std{background:var(--paper)}
.std .std-head{padding-bottom:48px}
.std-board{margin:0 40px;display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.5fr);background:#fff;border:1px solid var(--rule);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}


.std-tabs{display:flex;flex-direction:column;background:var(--sand);border-right:1px solid var(--rule)}
.std-tabs button{font:inherit;color:var(--ink);text-align:left;background:none;border:0;border-bottom:1px solid var(--rule);padding:22px 26px 22px 30px;cursor:pointer;position:relative;display:flex;flex-direction:column;gap:4px;transition:background .18s}
.std-tabs button:last-child{border-bottom:0}
.std-tabs button::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--mari);transform:scaleY(0);transition:transform .22s ease}
.std-tabs button::after{content:"→";position:absolute;right:24px;top:50%;transform:translate(-6px,-50%);opacity:0;color:var(--mari-ink);font-weight:700;transition:opacity .18s,transform .18s}
.std-tabs button:hover{background:var(--sand-2)}
.std-tabs button[aria-selected="true"]{background:#fff}
.std-tabs button[aria-selected="true"]::before{transform:scaleY(1)}
.std-tabs button[aria-selected="true"]::after{opacity:1;transform:translate(0,-50%)}
.std-tabs button:focus-visible{outline:2px solid var(--sky-ink);outline-offset:-4px}
.std-k{font-family:var(--mono);font-size:12.5px;color:var(--sky-ink)}
.std-tabs b{font-size:23px;line-height:1.15;letter-spacing:-.02em}


.std-panels{padding:40px 48px 44px;min-height:360px;display:flex;flex-direction:column;justify-content:center}
.std-pk{font-family:var(--mono);font-size:12.5px;color:var(--sky-ink);margin-bottom:26px}
.std-panel p{font-size:18px;line-height:1.65;color:var(--body);max-width:640px}
.std-js .std-panel{display:none}
.std-js .std-panel.is-on{display:block;animation:std-in .35s ease}
.std-panel+.std-panel{margin-top:44px}
.std-js .std-panel+.std-panel{margin-top:0}
@keyframes std-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}


.std-clock{list-style:none;display:grid;grid-template-columns:repeat(var(--n),minmax(0,1fr));position:relative;margin:0 0 30px;padding-top:30px}
.std-clock::before,.std-clock::after{content:"";position:absolute;top:8px;left:8px;height:3px;border-radius:3px}
.std-clock::before{right:calc(100% / var(--n) - 8px);background:var(--sky-rule)}
.std-clock::after{width:calc((100% - 100% / var(--n)) );background:var(--mari);transform-origin:left;transform:scaleX(1)}
.std-js .std-clock::after{transform:scaleX(0)}
.std-js .is-on .std-clock::after{transform:scaleX(1);transition:transform .9s cubic-bezier(.3,.7,.3,1) .1s}
.std-clock li{position:relative;font-size:16px;font-weight:700;letter-spacing:-.01em;line-height:1.3;padding-right:14px}
.std-clock li::before{content:"";position:absolute;top:-30px;left:0;width:19px;height:19px;border-radius:50%;background:#fff;border:3px solid var(--mari);box-sizing:border-box;z-index:1}
.std-clock li.is-key::before{background:var(--mari);box-shadow:0 0 0 6px var(--mari-soft)}
.std-clock li span{display:block;font-family:var(--mono);font-size:12px;font-weight:400;color:var(--mut);margin-bottom:4px;letter-spacing:0}
.std-clock li.is-key span{color:var(--mari-ink)}


.std-miss{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.5fr);background:var(--navy);color:#fff}
.std-miss-copy{padding:36px 30px 36px 30px;border-right:1px solid var(--navy-rule)}
.std-miss .std-pk{color:var(--mari);margin-bottom:14px}
.std-miss-copy p{font-size:16.5px;line-height:1.6;color:var(--on-navy)}
.std-miss-copy b{color:#fff;font-weight:700}
.std-calc{padding:32px 48px 34px;display:grid;grid-template-columns:1fr 1fr minmax(0,1.2fr);grid-template-areas:"bill fee out" "days days out";gap:20px 22px;align-items:start}
.std-in{display:flex;flex-direction:column;gap:8px;font-family:var(--mono);font-size:12px;color:var(--on-navy-2)}
.std-in:nth-child(1){grid-area:bill}.std-in:nth-child(2){grid-area:fee}.std-days{grid-area:days}
.std-usd{display:flex;align-items:center;background:var(--navy-3);border:1px solid var(--navy-rule);border-radius:9px;padding:0 12px;transition:border-color .15s}
.std-usd:focus-within{border-color:var(--mari)}
.std-usd i{font-style:normal;color:var(--on-navy-2);font-family:var(--sans);font-size:18px}
.std-usd input{font:inherit;font-family:var(--sans);font-size:20px;font-weight:700;color:#fff;background:none;border:0;outline:0;padding:11px 0 11px 6px;width:100%;min-width:0}
.std-days b{color:#fff;font-family:var(--sans);font-size:15px}
.std-days input{width:100%;accent-color:var(--mari);height:24px;cursor:pointer}
.std-out{grid-area:out;align-self:stretch;background:var(--mari);color:var(--navy);border-radius:12px;padding:18px 20px;display:flex;flex-direction:column;justify-content:center}
.std-out span{font-family:var(--mono);font-size:12px;color:var(--mari-ink)}
.std-out b{font-size:44px;line-height:1.05;letter-spacing:-.03em;margin:4px 0 8px;font-variant-numeric:tabular-nums}
.std-out em{font-style:normal;font-size:13.5px;line-height:1.45;color:var(--navy)}

.std-more{text-align:center;font-size:17px;line-height:1.6;color:var(--body);max-width:640px;margin:36px auto 0;padding:0 24px 100px}
.std-more a{color:var(--accent);text-decoration:underline}

@media (max-width:1000px){
  .std-board,.std-miss{grid-template-columns:1fr}
  .std-tabs{flex-direction:row;overflow-x:auto;border-right:0;border-bottom:1px solid var(--rule);scrollbar-width:none}
  .std-tabs::-webkit-scrollbar{display:none}
  .std-tabs button{flex:0 0 auto;border-bottom:0;border-right:1px solid var(--rule);padding:16px 20px 18px}
  .std-tabs button::before{left:0;right:0;top:auto;bottom:0;width:auto;height:4px;transform:scaleX(0)}
  .std-tabs button[aria-selected="true"]::before{transform:scaleX(1)}
  .std-tabs button::after{display:none}
  .std-tabs b{font-size:18px}
  .std-miss-copy{border-right:0;border-bottom:1px solid var(--navy-rule)}
}
@media (max-width:700px){
  .std-board{margin:0 16px}
  .std-panels{padding:28px 20px 30px;min-height:0}
  .std-panel p{font-size:16.5px}
  .std-clock{grid-template-columns:1fr;padding:0 0 0 34px;gap:18px}
  .std-clock::before,.std-clock::after{top:8px;left:8px;width:3px;height:auto;right:auto}
  .std-clock::before{bottom:8px}
  .std-clock::after{bottom:auto;height:calc(100% - 30px);transform-origin:top;transform:scaleY(1)}
  .std-js .std-clock::after{transform:scaleY(0)}
  .std-js .is-on .std-clock::after{transform:scaleY(1)}
  .std-clock li::before{top:0;left:-34px}
  .std-miss-copy{padding:28px 20px}
  .std-calc{padding:24px 20px 26px;align-items:end;grid-template-columns:1fr 1fr;grid-template-areas:"bill fee" "days days" "out out"}
  .std-out b{font-size:38px}
}
@media (prefers-reduced-motion:reduce){
  .std-js .std-panel.is-on{animation:none}
  .std-js .is-on .std-clock::after{transition:none}
  .std-tabs button::before,.std-tabs button::after{transition:none}
}