*{box-sizing:border-box}
:root{--bg:#0f1417;--panel:#161d22;--ink:#eef3f4;--mut:#a9b6bd;--acc:#ffb000;--acc2:#e2521b;--line:#26313a}
html,body{width:100%;overflow-x:hidden}
body{margin:0;background:var(--bg);color:var(--ink);
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
 line-height:1.65;font-size:17px}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px;width:100%}
a{color:var(--acc)}
.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;background:#000;padding:8px;z-index:50}
.site-head{background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
.head-row{display:flex;align-items:center;justify-content:space-between;gap:16px;
 flex-wrap:nowrap;min-height:62px}
.brand-logo{font-weight:800;font-size:20px;color:var(--ink);text-decoration:none;white-space:nowrap}
.nav-main{display:flex;align-items:center;gap:18px;flex-wrap:nowrap;margin-left:auto}
.links{display:flex;list-style:none;gap:6px;margin:0;padding:0;flex-wrap:nowrap}
.links a{color:var(--mut);text-decoration:none;padding:8px 9px;border-radius:7px;font-size:15px;white-space:nowrap}
.links a:hover,.links a.active{color:var(--ink);background:#1f2a31}
.cta-top{background:linear-gradient(135deg,var(--acc),var(--acc2));color:#11181c;font-weight:700;
 padding:9px 15px;border-radius:9px;text-decoration:none;white-space:nowrap}
.burger{display:none;background:none;border:0;cursor:pointer;width:42px;height:42px;flex-direction:column;
 gap:5px;justify-content:center;align-items:center;margin-left:auto}
.burger span{display:block;width:24px;height:2px;background:var(--ink)}
.crumbs{background:#11171b;border-bottom:1px solid var(--line);font-size:14px}
.crumbs .wrap{padding-top:10px;padding-bottom:10px}
.crumbs a{color:var(--mut);text-decoration:none}
.crumbs span{color:var(--mut);margin:0 8px}
main{padding:26px 0 40px}
h1{font-size:30px;line-height:1.25;margin:6px 0 18px}
h2{font-size:23px;margin:30px 0 12px}
h3{font-size:19px;margin:22px 0 10px}
p{margin:0 0 16px}
.lede{font-size:19px;color:#dfe8ea;background:var(--panel);border-left:4px solid var(--acc);
 padding:16px 18px;border-radius:10px}
.hero{margin:0 0 22px}
.hero img{width:100%;height:auto;border-radius:14px;display:block;cursor:zoom-in}
ul,ol{margin:0 0 18px;padding-left:22px}
li{margin:6px 0}
.tabs{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px;margin:0 0 18px}
.tab-btns{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.tab-btn{background:#1f2a31;color:var(--mut);border:0;border-radius:8px;padding:8px 14px;cursor:pointer;font-size:15px}
.tab-btn.active{background:var(--acc);color:#11181c;font-weight:700}
.tab-pane{display:none}
.tab-pane.active{display:block}
.tab-pane p{margin:0}
.calc{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px;margin:0 0 18px}
.calc-row{margin-bottom:12px}
.calc-row label{display:block;margin-bottom:6px;color:var(--mut)}
.calc input[type=range]{width:100%}
.calc-out{font-size:20px;margin:6px 0 4px}
.calc-out strong{color:var(--acc)}
.calc-hint{font-size:13px;color:var(--mut);margin:0}
.faq{margin:30px 0}
.faq details{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:6px 16px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:600;padding:10px 0}
.faq p{margin:0 0 12px}
.spin{background:linear-gradient(135deg,#1c2630,#142028);border:1px solid var(--line);
 border-radius:14px;padding:22px;margin:28px 0 0;text-align:center}
.spin h2{margin-top:0}
.cta-btn{display:inline-block;background:linear-gradient(135deg,var(--acc),var(--acc2));color:#11181c;
 font-weight:800;padding:14px 28px;border-radius:12px;text-decoration:none;margin-top:8px;font-size:18px}
.site-foot{background:var(--panel);border-top:1px solid var(--line);margin-top:46px;padding:30px 0 10px}
.foot-grid{display:flex;flex-wrap:wrap;gap:30px;justify-content:space-between}
.foot-grid nav ul{list-style:none;margin:0;padding:0}
.foot-grid nav a{color:var(--mut);text-decoration:none;line-height:2}
.foot-brand{font-weight:800;font-size:18px;margin:0 0 6px}
.foot-age{color:var(--mut);font-size:14px;max-width:280px}
.foot-copy{border-top:1px solid var(--line);margin-top:22px;padding-top:14px}
.foot-copy p{color:var(--mut);font-size:13px;margin:0}
.to-top{position:fixed;right:18px;bottom:18px;width:46px;height:46px;border-radius:50%;border:0;
 background:var(--acc);color:#11181c;font-size:22px;cursor:pointer;display:none;z-index:25}
.to-top.show{display:block}
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.9);display:flex;align-items:center;
 justify-content:center;z-index:60;padding:20px}
.lightbox[hidden]{display:none}
.lightbox img{max-width:96%;max-height:90%;border-radius:10px}
.lb-close{position:absolute;top:16px;right:20px;background:none;border:0;color:#fff;font-size:40px;cursor:pointer}
.table-scroll{overflow-x:auto;margin:0 0 18px}
table{border-collapse:collapse;width:100%;min-width:440px}
th,td{border:1px solid var(--line);padding:8px 10px;text-align:left}
@media(max-width:860px){
 .burger{display:flex}
 .nav-main{display:none;position:absolute;top:62px;left:0;right:0;background:var(--panel);
  flex-direction:column;align-items:stretch;gap:0;padding:10px 22px 18px;border-bottom:1px solid var(--line)}
 .nav-main.open{display:flex}
 .links{flex-direction:column;gap:0}
 .links a{padding:12px 6px;border-bottom:1px solid var(--line)}
 .cta-top{margin-top:12px;text-align:center}
 h1{font-size:25px}
 body{font-size:16px}
}