:root{
  --void:#080b18; --deck:#0e1428; --panel:#141c36; --line:#26314f;
  --ink:#e9edfb; --dim:#9aa6c9; --beam:#3ce0cf; --hazard:#ffb545;
  --shadow:0 18px 42px rgba(0,0,0,.45);
}
*{box-sizing:border-box}
html,body{width:100%;overflow-x:hidden;margin:0;padding:0}
body{
  background:var(--void);
  background-image:radial-gradient(120% 80% at 50% 0,#16203f 0,#080b18 62%);
  color:var(--ink);
  font-family:Outfit,"Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;
  font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto}
a{color:var(--beam);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{width:100%;max-width:1080px;margin:0 auto;padding:0 22px}

#beam{position:fixed;top:0;left:0;height:3px;width:0;background:var(--hazard);z-index:60}

.topbar{position:sticky;top:0;z-index:50;background:rgba(8,11,24,.92);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.head-row{display:flex;align-items:center;flex-wrap:nowrap;gap:14px;min-height:64px}
.brand-logo{color:var(--ink);font-weight:800;font-size:1.2rem;letter-spacing:-.01em;white-space:nowrap}
.brand-logo:hover{text-decoration:none;color:var(--beam)}
.nav-wrap{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-main{display:flex;flex-wrap:nowrap;gap:2px;list-style:none;margin:0;padding:0}
.nav-main a{display:block;padding:9px 9px;color:var(--dim);font-size:.86rem;font-weight:600;white-space:nowrap}
.nav-main a:hover,.nav-main a[aria-current]{color:var(--ink);text-decoration:none}
.nav-cta{display:none}
.burger{display:none;margin-left:auto;width:46px;height:46px;border:1px solid var(--line);
  border-radius:10px;background:var(--panel);color:var(--ink);font-size:1.2rem;cursor:pointer}
.btn{display:inline-block;border-radius:10px;font-weight:800;text-align:center;
  padding:12px 18px;background:var(--hazard);color:#20160a;border:0;cursor:pointer;white-space:nowrap}
.btn:hover{text-decoration:none;filter:brightness(1.08)}
.btn-sm{padding:9px 14px;font-size:.86rem}

.crumbs{border-bottom:1px solid var(--line);background:rgba(14,20,40,.55)}
.crumbs .wrap{padding-top:9px;padding-bottom:9px;font-size:.82rem;color:var(--dim)}
.crumbs a{color:var(--dim)}
.crumbs span{color:var(--ink)}

main.wrap{padding-top:26px;padding-bottom:48px}
h1{font-size:2.05rem;line-height:1.22;margin:.2em 0 .35em;letter-spacing:-.02em}
h2{font-size:1.42rem;line-height:1.3;margin:2em 0 .5em;letter-spacing:-.01em}
h3{font-size:1.14rem;margin:1.7em 0 .45em}
p{margin:0 0 1.05em}
.lede{font-size:1.12rem;color:#cfd8f2;border-left:3px solid var(--beam);
  padding:2px 0 2px 16px;margin-bottom:1.5em}
figure{margin:0 0 1.8em}
figure img{display:block;width:90%;margin:0 auto;border-radius:10px;box-shadow:var(--shadow)}
figcaption{margin-top:9px;text-align:center;color:var(--dim);font-size:.86rem}
ul,ol{margin:0 0 1.3em;padding-left:22px}
li{margin:0 0 .5em}
b,strong{color:#fff}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 1.6em}
table{border-collapse:collapse;width:100%;min-width:520px;font-size:.94rem}
th,td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
th{background:var(--panel);color:#fff;font-weight:700}
td{background:rgba(20,28,54,.45)}

.calc{background:var(--deck);border:1px solid var(--line);border-radius:14px;
  padding:18px 18px 6px;margin:0 0 1.8em}
.calc h3{margin:0 0 .4em}
.calc-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.calc-row label{min-width:150px;color:var(--dim);font-size:.9rem}
.calc-row input[type=range]{flex:1;min-width:160px;accent-color:var(--beam)}
.calc-out{font-size:1.15rem;font-weight:800;color:var(--hazard)}
.note{color:#cfd8f2;background:rgba(60,224,207,.08);border:1px solid rgba(60,224,207,.25);
  border-radius:10px;padding:10px 14px;font-size:.9rem}

details{border:1px solid var(--line);border-radius:10px;background:var(--deck);
  padding:0 16px;margin:0 0 10px}
details[open]{background:var(--panel)}
summary{cursor:pointer;list-style:none;padding:14px 0;font-weight:700;min-height:44px;display:flex;align-items:center}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";margin-left:auto;color:var(--beam);font-weight:800}
details[open] summary::after{content:"\2212"}
details p{margin:0 0 14px;color:#cfd8f2}

.cta-band{margin:2.2em 0 0;background:linear-gradient(120deg,#152344,#0e1428);
  border:1px solid var(--line);border-radius:16px;padding:22px;text-align:center}
.cta-band .btn{margin-top:6px;padding:14px 26px;font-size:1.02rem}
.cta-band .note{display:inline-block;margin-top:12px}

footer{border-top:1px solid var(--line);background:#070a15;margin-top:20px;padding:30px 0 22px}
.foot-grid{display:flex;flex-wrap:wrap;gap:26px}
.foot-col{flex:1;min-width:190px}
.foot-col h4{margin:0 0 .6em;font-size:.95rem;color:#fff}
.foot-col ul{list-style:none;margin:0;padding:0}
.foot-col a{color:var(--dim);font-size:.9rem}
.age{display:inline-block;border:1px solid var(--hazard);color:var(--hazard);
  border-radius:999px;padding:2px 10px;font-weight:800;font-size:.8rem}
.legal{margin-top:22px;padding-top:16px;border-top:1px solid var(--line);
  color:var(--dim);font-size:.8rem}

#top-btn{position:fixed;right:16px;bottom:16px;width:46px;height:46px;border-radius:50%;
  border:1px solid var(--line);background:var(--panel);color:var(--ink);font-size:1.1rem;
  cursor:pointer;display:none;z-index:40}
#top-btn.on{display:block}

@media (max-width:900px){
  .nav-main a{padding:9px 6px;font-size:.8rem}
}
@media (max-width:780px){
  body{font-size:16px}
  h1{font-size:1.55rem}
  h2{font-size:1.25rem}
  h3{font-size:1.08rem}
  .wrap{padding:0 22px}
  .burger{display:block;margin-left:auto}
  .nav-wrap{display:contents}
  .nav-main{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;
    gap:0;background:var(--deck);border-bottom:1px solid var(--line);padding:6px 22px 12px}
  .nav-main.open{display:flex}
  .nav-main a{padding:13px 0;font-size:1rem;border-bottom:1px solid var(--line);min-height:44px}
  .head-row{position:relative}
  .nav-wrap > .btn{display:none}
  .nav-cta{display:block}
  .nav-main .btn-mob{display:block;margin-top:10px;border:0;border-bottom:0;color:#20160a;text-align:center}
  figure img{width:100%}
}