/* Star Tracker shared styles. Palette and fonts: 06_Media/brand/brand.md */
:root{
  --ink:#000000; --ink2:#0A0C12; --star:#EEF3FF; --ice:#8FD3FF; --lock:#FFB45E;
  --slate:#98A3C0; --hair:#1E2842; --hair2:#2C3A5E;
  --serif:"Instrument Serif",Georgia,"Times New Roman",serif;
  --sans:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Consolas,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;color:var(--star);font:400 17px/1.6 var(--sans);background-color:var(--ink);
  background-image:
    radial-gradient(1.2px 1.2px at 8% 12%,#fff9,transparent),radial-gradient(1px 1px at 23% 41%,#fff7,transparent),
    radial-gradient(1.4px 1.4px at 37% 7%,#fffb,transparent),radial-gradient(1px 1px at 52% 33%,#fff6,transparent),
    radial-gradient(1.2px 1.2px at 64% 18%,#fff8,transparent),radial-gradient(1px 1px at 78% 46%,#fff6,transparent),
    radial-gradient(1.4px 1.4px at 91% 29%,#fffa,transparent),radial-gradient(1px 1px at 4% 63%,#fff6,transparent),
    radial-gradient(1.2px 1.2px at 17% 88%,#fff7,transparent),radial-gradient(1px 1px at 44% 71%,#fff5,transparent),
    radial-gradient(1.4px 1.4px at 71% 83%,#fff8,transparent),radial-gradient(1px 1px at 95% 92%,#fff6,transparent);
  background-repeat:no-repeat;
}
a{color:var(--ice);text-underline-offset:3px}
a:hover{color:#fff}
:focus-visible{outline:2px solid var(--ice);outline-offset:3px;border-radius:2px}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:8px;background:var(--star);color:var(--ink);padding:8px 12px;z-index:9}
.skip:focus{left:8px}

/* header */
.top{display:flex;align-items:center;justify-content:space-between;padding:22px 0}
.brand{display:flex;align-items:center;gap:12px;color:var(--star);text-decoration:none;font:500 20px/1 var(--sans);letter-spacing:.01em}
.brand img{width:36px;height:36px;display:block}
.top nav{display:flex;gap:22px;font-size:15px}
.top nav a{color:var(--slate);text-decoration:none}
.top nav a:hover{color:var(--star)}
@media(max-width:640px){.top nav a:not(.cta-link){display:none}}
.cta-link{color:var(--ink)!important;background:var(--star);padding:7px 14px;border-radius:999px;font-weight:500}

/* hero */
.hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:40px;align-items:center;padding:36px 0 72px}
h1{font:400 clamp(40px,6.4vw,78px)/1.02 var(--serif);letter-spacing:-.015em;margin:0 0 22px;max-width:12.5em}
.lead{font-size:19px;line-height:1.55;color:#C5CDE3;margin:0 0 30px;max-width:34em}
.art{width:100%;height:auto;display:block;max-height:520px}
@media(max-width:860px){.hero{grid-template-columns:minmax(0,1fr);gap:8px;padding-top:8px}.art{order:-1;max-height:230px}}

/* signup form */
form#f{border-left:2px solid var(--hair2);padding:2px 0 2px 22px;max-width:520px}
form#f label.fl{display:block;font-size:14px;color:var(--slate);margin:14px 0 6px}
form#f input[type=email],form#f input[type=text]{
  width:100%;padding:12px 14px;border:1px solid var(--hair2);border-radius:6px;background:rgba(13,19,36,.85);color:var(--star);font:400 16px var(--sans)}
form#f input::placeholder{color:#6F7B9C}
form#f input[type=email]:focus,form#f input[type=text]:focus{outline:2px solid var(--ice);outline-offset:1px;border-color:var(--ice)}
fieldset{border:0;margin:14px 0 0;padding:0;min-width:0}
legend{font-size:14px;color:var(--slate);padding:0;margin-bottom:8px}
.choices{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.choices label{position:relative;display:block;text-align:center;padding:10px 6px;border:1px solid var(--hair2);border-radius:6px;cursor:pointer;color:var(--star);font-size:15px;background:rgba(13,19,36,.85)}
.choices input{position:absolute;opacity:0;inset:0;width:100%;height:100%;margin:0;cursor:pointer}
.choices label:has(input:checked){border-color:var(--ice);color:var(--ice);background:#102038}
.choices label:has(input:focus-visible){outline:2px solid var(--ice);outline-offset:2px}
button#btn{margin-top:18px;width:100%;padding:14px 18px;border:0;border-radius:6px;background:var(--lock);color:#1B1000;font:600 17px var(--sans);cursor:pointer}
button#btn:hover{background:#FFC47E}
button#btn:disabled{opacity:.6;cursor:wait}
.note{font-size:13.5px;color:var(--slate);margin:12px 0 0;line-height:1.5}
.msg{margin-top:10px;font-size:15px;min-height:1.4em;color:var(--lock)}

/* sections */
section.row{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:28px 48px;padding:44px 0;border-top:1px solid var(--hair)}
@media(max-width:760px){section.row{grid-template-columns:minmax(0,1fr);gap:12px}}
h2{font:400 clamp(30px,4vw,44px)/1.08 var(--serif);margin:0;letter-spacing:-.01em}
.state{display:inline-block;margin-top:10px;font:500 13px/1 var(--mono);color:var(--ice);border:1px solid var(--hair2);border-radius:999px;padding:6px 10px}
.state.soon{color:var(--slate)}
.row p{margin:0 0 14px;color:#C5CDE3;max-width:38em}
.row p:last-child{margin-bottom:0}

/* worked example */
.ledger{margin:18px 0 0;padding:16px 18px;background:rgba(13,19,36,.9);border:1px solid var(--hair2);border-radius:8px;font:400 14.5px/1.75 var(--mono);color:#D5DCEF;overflow-x:auto}
.ledger b{color:var(--lock);font-weight:500}
.ledger .k{color:var(--slate)}
.btnlink{display:inline-block;margin-top:6px;padding:11px 18px;border:1px solid var(--ice);border-radius:6px;color:var(--ice);text-decoration:none;font-weight:500}
.btnlink:hover{background:#102038;color:#fff}

/* lists */
.topics{list-style:none;margin:0;padding:0;max-width:38em}
.topics li{padding:12px 0;border-bottom:1px solid var(--hair);color:#C5CDE3}
.topics li:first-child{padding-top:0}
.topics li:last-child{border-bottom:0}
.topics strong{color:var(--star);font-weight:500}

/* footer */
footer{border-top:1px solid var(--hair);padding:30px 0 56px;font-size:14px;color:var(--slate)}
footer .cols{display:flex;flex-wrap:wrap;gap:12px 40px;justify-content:space-between}
footer a{color:var(--slate)}footer a:hover{color:var(--star)}

/* plain pages: thanks, privacy, pack */
.page{max-width:720px;margin:0 auto;padding:8px 0 72px}
.page h1{font-size:clamp(36px,6vw,56px);max-width:none}
.page h2{font-size:28px;margin:44px 0 10px}
.page p,.page li{color:#C5CDE3}
.page li{margin:6px 0}
.page table{width:100%;border-collapse:collapse;font-size:15px;margin:12px 0}
.page th,.page td{text-align:left;padding:10px 12px 10px 0;border-bottom:1px solid var(--hair);vertical-align:top;color:#C5CDE3}
.page th{color:var(--star);font-weight:500}
.meta{font-size:14.5px;color:var(--slate)}

/* pack page */
.prob{border-top:1px solid var(--hair);padding:26px 0 8px}
.prob h2{font-size:30px;margin:0 0 8px}
.prob details{margin-top:12px;border:1px solid var(--hair2);border-radius:8px;background:rgba(13,19,36,.9);padding:2px 16px}
.prob summary{cursor:pointer;color:var(--ice);padding:12px 0;font-weight:500}
.prob ol{margin:0 0 6px;padding-left:22px}
.prob li{font:400 14px/1.7 var(--mono);color:#D5DCEF;margin:8px 0;overflow-wrap:anywhere}
.prob .ans{color:var(--lock);margin:8px 0 14px}
.prob .ans b{color:var(--lock)}

/* hero art motion: one scan, then lock. Final state is the default (reduced motion). */
.reticle{transform:translate(250px,150px)}
.link{stroke-dasharray:1;stroke-dashoffset:0}
@media(prefers-reduced-motion:no-preference){
  .reticle{animation:scan 3.6s cubic-bezier(.65,0,.35,1) .4s both}
  .link{stroke-dashoffset:1;animation:draw 1.2s ease-out 3.6s forwards}
  .link.l2{animation-delay:3.9s}
  .hub{animation:pulse 1.2s ease-out 3.6s both}
  .tag{opacity:0;animation:fade .6s ease-out 4.2s forwards}
}
@keyframes scan{
  0%{transform:translate(70px,300px)}22%{transform:translate(140px,200px)}
  44%{transform:translate(120px,110px)}66%{transform:translate(300px,260px)}
  100%{transform:translate(250px,150px)}}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes pulse{0%{transform:scale(1)}40%{transform:scale(1.5)}100%{transform:scale(1)}}
@keyframes fade{to{opacity:1}}
.hub{transform-box:fill-box;transform-origin:center}
@media(max-width:860px){.tag{display:none}}