:root{
  --ink:#16202c; --muted:#586374; --line:#e2e6ec; --bg:#f6f7f9; --card:#ffffff;
  --navy:#12233b; --navy2:#1c3355; --amber:#f0a51e; --amber-d:#d68c07;
  --max:1120px;
}
*{box-sizing:border-box}
html,body{width:100%;overflow-x:hidden;margin:0}
body{font-family:"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);
  background:var(--bg);line-height:1.62;font-size:17px}
img{max-width:100%;height:auto;display:block}
a{color:var(--navy2)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px;width:100%}

/* header */
.site-head{background:var(--navy);color:#fff;position:sticky;top:0;z-index:40;
  box-shadow:0 2px 10px rgba(0,0,0,.18)}
.head-row{display:flex;align-items:center;flex-wrap:nowrap;gap:14px;
  min-height:60px}
.brand-logo{color:#fff;font-weight:800;font-size:20px;letter-spacing:.2px;
  text-decoration:none;white-space:nowrap}
.brand-logo b{color:var(--amber);font-weight:800}
.nav-wrap{display:flex;align-items:center;gap:14px;margin-left:auto;flex-wrap:nowrap}
.nav-main{display:flex;flex-wrap:nowrap;gap:4px;list-style:none;margin:0;padding:0}
.nav-main a{color:#dfe6f0;text-decoration:none;font-size:14.5px;font-weight:600;
  padding:8px 9px;border-radius:6px;white-space:nowrap}
.nav-main a:hover,.nav-main a[aria-current="page"]{background:var(--navy2);color:#fff}
.cta{background:var(--amber);color:#241a02;font-weight:800;text-decoration:none;
  padding:9px 15px;border-radius:7px;white-space:nowrap;font-size:14.5px}
.cta:hover{background:var(--amber-d)}
.burger{display:none;margin-left:auto;background:transparent;border:1.5px solid #40597e;
  color:#fff;border-radius:7px;width:44px;height:40px;font-size:20px;cursor:pointer}

/* breadcrumb */
.crumbs{background:#eef1f5;border-bottom:1px solid var(--line);font-size:13.5px}
.crumbs ol{display:flex;flex-wrap:wrap;gap:6px;list-style:none;margin:0;padding:10px 0}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs li+li::before{content:"›";margin-right:6px;color:#9aa4b2}

/* main */
main{display:block;padding:26px 0 10px}
h1{font-size:31px;line-height:1.2;margin:6px 0 14px;color:var(--navy)}
h2{font-size:23px;line-height:1.25;margin:30px 0 10px;color:var(--navy)}
h3{font-size:19px;margin:20px 0 8px;color:var(--navy2)}
.tr-lede{font-size:18.5px;background:var(--card);border-left:4px solid var(--amber);
  padding:14px 18px;border-radius:0 8px 8px 0;box-shadow:0 1px 4px rgba(20,30,50,.06);
  margin:0 0 20px}
.hero-shot{border-radius:12px;overflow:hidden;margin:0 0 22px;box-shadow:0 6px 20px rgba(20,30,50,.14)}
.tr-block{margin:0 0 6px}
.tr-block ul,.tr-block ol{margin:12px 0;padding-left:22px}
.tr-block li{margin:7px 0}
p.note{font-size:15px;color:var(--muted);background:#eef1f5;border-radius:8px;
  padding:12px 16px;margin:20px 0}

/* facts callout / interactive calculator */
.calc{background:var(--navy);color:#fff;border-radius:12px;padding:18px 20px;margin:22px 0}
.calc h3{color:#fff;margin-top:0}
.calc-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin:10px 0}
.calc input[type=range]{flex:1;min-width:160px;accent-color:var(--amber)}
.calc .out{font-weight:800;color:var(--amber);font-size:20px}
.calc small{color:#b9c4d4}

/* table */
.table-scroll{overflow-x:auto;margin:16px 0;border:1px solid var(--line);border-radius:8px}
table{border-collapse:collapse;width:100%;min-width:420px;background:var(--card)}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);font-size:15px}
th{background:#eef1f5}

/* faq */
.faq{margin:18px 0}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:8px;
  margin:9px 0;padding:2px 4px}
.faq summary{cursor:pointer;font-weight:700;padding:12px 12px;color:var(--navy)}
.faq details[open] summary{color:var(--amber-d)}
.faq details p{padding:0 12px 12px}

/* affiliate cta after faq */
.play-cta{background:linear-gradient(120deg,var(--navy),var(--navy2));color:#fff;
  border-radius:14px;padding:22px;margin:26px 0;text-align:center}
.play-cta p{margin:0 0 14px;font-size:17px}
.cta-btn{display:inline-block;background:var(--amber);color:#241a02;font-weight:800;
  text-decoration:none;padding:13px 26px;border-radius:9px;font-size:17px}
.cta-btn:hover{background:var(--amber-d)}
.spin{font-size:15px;color:var(--muted);margin:14px 0}

/* footer */
.site-foot{background:var(--navy);color:#c7d0dd;margin-top:34px;padding:26px 0 20px;font-size:14px}
.foot-cols{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between}
.foot-cols h4{color:#fff;font-size:15px;margin:0 0 8px}
.foot-cols ul{list-style:none;margin:0;padding:0}
.foot-cols a{color:#c7d0dd;text-decoration:none}
.foot-note{border-top:1px solid #2a4062;margin-top:18px;padding-top:14px;color:#93a0b2;font-size:13px}

/* back to top */
.back-top{position:fixed;right:16px;bottom:16px;background:var(--navy2);color:#fff;
  border:none;border-radius:50%;width:46px;height:46px;font-size:20px;cursor:pointer;
  display:none;z-index:50;box-shadow:0 3px 10px rgba(0,0,0,.3)}
.back-top.show{display:block}

@media(max-width:860px){
  .burger{display:block}
  .nav-wrap{position:absolute;left:0;right:0;top:60px;background:var(--navy);
    flex-direction:column;align-items:stretch;gap:0;padding:8px 22px 16px;
    display:none;margin-left:0;box-shadow:0 8px 16px rgba(0,0,0,.25)}
  .nav-wrap.open{display:flex}
  .nav-main{flex-direction:column;gap:0;width:100%}
  .nav-main a{padding:12px 6px;border-bottom:1px solid #223a5c;font-size:16px}
  .cta{margin-top:10px;text-align:center}
  h1{font-size:26px}
  h2{font-size:21px}
  body{font-size:16.5px}
}