:root{
  --dk:#0a1120; --dk2:#0f172a; --dk3:#1e293b;
  --cop:#38bdf8; --cop2:#7dd3fc;
  --lt:#f1f5f9; --lt2:#e2e8f0; --wh:#ffffff;
  --mu:#64748b; --mu2:#94a3b8; --brd:#334155; --brd-lt:#cbd5e1; --txt:#0f172a;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Oxygen,Ubuntu,Cantarell,"Helvetica Neue",sans-serif;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--txt);background:var(--wh);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}

.container{max-width:1100px;margin:0 auto;padding:0 32px}
.narrow{max-width:760px;margin:0 auto;padding:0 32px}

/* NAV */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(10,17,32,.97);backdrop-filter:blur(8px);border-bottom:1px solid var(--brd)}
.nav-inner{max-width:1100px;margin:0 auto;padding:0 32px;height:64px;display:flex;align-items:center;gap:32px}
.nav-name{font-size:17px;font-weight:800;letter-spacing:1.5px;color:var(--wh);text-transform:uppercase}
.nav-name em{color:var(--cop);font-style:normal}
.nav-links{display:flex;gap:28px;margin-left:auto}
.nav-links a{font-size:13px;letter-spacing:.5px;color:#8a97ac;transition:color .2s;padding-bottom:2px;border-bottom:1px solid transparent}
.nav-links a:hover,.nav-links a.active{color:var(--wh);border-bottom-color:var(--cop)}
@media(max-width:680px){
  .nav-inner{height:auto;padding:10px 18px;gap:8px;flex-wrap:wrap;justify-content:center}
  .nav-logo{width:100%;justify-content:center;text-align:center}
  .nav-name{font-size:14px;letter-spacing:1px;white-space:nowrap}
  .nav-links{width:100%;margin-left:0;justify-content:center;gap:14px}
  .nav-links a{font-size:11px;letter-spacing:.3px;white-space:nowrap}
}

/* HEADER */
.g-head{background:var(--dk);padding:120px 0 56px;color:var(--wh)}
@media(max-width:680px){.g-head{padding:132px 0 44px}.narrow,.container{padding:0 20px}}
.crumb{font-size:12px;letter-spacing:.5px;color:#7d8ba3;margin-bottom:24px}
.crumb a{color:var(--cop)}
.crumb a:hover{color:var(--cop2)}
.g-kicker{font-size:11px;letter-spacing:3px;text-transform:uppercase;color:var(--cop);font-weight:700;margin-bottom:18px}
.g-head h1{font-size:clamp(30px,4.4vw,46px);font-weight:900;line-height:1.12;letter-spacing:-.8px;margin-bottom:18px}
.g-standfirst{font-size:17px;color:#a3b1c6;max-width:640px}
.g-meta{margin-top:28px;padding-top:20px;border-top:1px solid var(--brd);font-size:12px;letter-spacing:.5px;color:#5b6b85;text-transform:uppercase}

/* ANSWER BOX */
.answer{background:var(--lt);border-left:4px solid var(--cop);padding:28px 30px;margin:-28px auto 48px;max-width:760px;position:relative}
.answer-label{font-size:10px;letter-spacing:2.5px;text-transform:uppercase;font-weight:800;color:var(--mu);margin-bottom:16px}
.answer dl{display:grid;grid-template-columns:auto 1fr;gap:10px 18px}
.answer dt{font-size:12px;letter-spacing:.5px;text-transform:uppercase;font-weight:800;color:var(--dk2);white-space:nowrap;padding-top:3px}
.answer dd{font-size:15px;color:#334155}
@media(max-width:600px){.answer{padding:22px;margin-left:0;margin-right:0}.answer dl{grid-template-columns:1fr;gap:4px 0}.answer dd{margin-bottom:12px}}

/* BODY */
.g-body{padding-bottom:64px}
.g-body h2{font-size:26px;font-weight:800;letter-spacing:-.4px;margin:48px 0 16px;line-height:1.25}
.g-body h3{font-size:18px;font-weight:800;margin:32px 0 10px}
.g-body p{margin-bottom:18px;color:#243147}
.g-body ul,.g-body ol{margin:0 0 20px 22px}
.g-body li{margin-bottom:10px;color:#243147}
.g-body strong{color:var(--dk2)}
.g-body a{color:#0369a1;border-bottom:1px solid #bae6fd}
.g-body a:hover{border-bottom-color:#0369a1}
.g-body table{width:100%;border-collapse:collapse;margin:0 0 24px;font-size:14px}
.g-body th,.g-body td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--brd-lt)}
.g-body th{background:var(--lt);font-size:11px;letter-spacing:1px;text-transform:uppercase;color:var(--mu)}
@media(max-width:700px){
  .g-body table{display:block;width:100%;overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch}
  .g-body th,.g-body td{padding:9px 11px;font-size:13px}
}
.callout{background:#f8fafc;border:1px solid var(--brd-lt);border-top:3px solid var(--cop);padding:22px 24px;margin:28px 0}
.callout p:last-child{margin-bottom:0}
.callout-h{font-size:11px;letter-spacing:2px;text-transform:uppercase;font-weight:800;color:var(--mu);margin-bottom:10px}
.warn{border-top-color:#f59e0b}

/* FAQ */
.faq{background:var(--lt);padding:56px 0}
.faq h2{font-size:24px;font-weight:800;margin-bottom:28px}
.faq-item{border-bottom:1px solid var(--brd-lt);padding:20px 0}
.faq-item:last-child{border-bottom:none}
.faq-q{font-size:16px;font-weight:800;color:var(--dk2);margin-bottom:8px}
.faq-a{font-size:15px;color:#334155}

/* CTA / BLUEPRINT */
.bp-cta{background:var(--dk2);color:var(--wh);padding:48px 0}
.bp-cta h2{font-size:22px;font-weight:800;margin-bottom:10px;color:var(--wh)}
.bp-cta p{color:#94a3b8;font-size:15px;margin-bottom:22px;max-width:560px}
.btn-cop{display:inline-block;background:var(--cop);color:var(--dk2);font-size:13px;font-weight:700;letter-spacing:.5px;padding:13px 26px;border:none;cursor:pointer;transition:background .2s}
.btn-cop:hover{background:var(--cop2)}
.btn-ghost{display:inline-block;background:transparent;color:var(--wh);font-size:13px;font-weight:700;letter-spacing:.5px;padding:12px 25px;border:1px solid rgba(255,255,255,.25)}
.btn-ghost:hover{border-color:var(--cop);color:var(--cop)}

/* SIGNUP */
.signup{padding:52px 0;border-top:1px solid var(--brd-lt);border-bottom:1px solid var(--brd-lt)}
.signup h2{font-size:20px;font-weight:800;margin-bottom:8px}
.signup p{font-size:14px;color:var(--mu);margin-bottom:20px}
.signup form{display:flex;gap:10px;flex-wrap:wrap;max-width:520px}
.signup input[type=email]{flex:1;min-width:220px;padding:13px 14px;border:1px solid var(--brd-lt);font-size:15px;font-family:var(--font)}
.signup input[type=email]:focus{outline:none;border-color:var(--cop)}
.signup .fine{font-size:12px;color:var(--mu);margin:14px 0 0}

/* RELATED */
.related{padding:56px 0}
.related h2{font-size:20px;font-weight:800;margin-bottom:24px}
.rel-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.rel-card{border:1px solid var(--brd-lt);padding:22px;transition:border-color .2s,transform .2s}
.rel-card:hover{border-color:var(--cop);transform:translateY(-2px)}
.rel-card .rc-n{font-size:10px;letter-spacing:2px;text-transform:uppercase;color:var(--mu);font-weight:800;margin-bottom:10px}
.rel-card .rc-t{font-size:15px;font-weight:800;color:var(--dk2);line-height:1.4}

/* GUIDES INDEX */
.gi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;padding-bottom:64px}
.gi-card{border:1px solid var(--brd-lt);padding:28px;display:flex;flex-direction:column;transition:border-color .2s,transform .2s}
.gi-card:hover{border-color:var(--cop);transform:translateY(-3px)}
.gi-n{font-size:10px;letter-spacing:2px;text-transform:uppercase;color:var(--cop);font-weight:800;margin-bottom:12px}
.gi-card h2{font-size:18px;font-weight:800;line-height:1.35;margin-bottom:10px;color:var(--dk2)}
.gi-card p{font-size:14px;color:var(--mu);margin-bottom:16px;flex:1}
.gi-more{font-size:12px;letter-spacing:1px;text-transform:uppercase;font-weight:800;color:#0369a1}

/* DISCLAIMER + FOOTER */
.mini-disc{background:var(--lt);padding:36px 0;font-size:13px;color:var(--mu);line-height:1.65}
.mini-disc strong{color:var(--dk2)}
.footer{background:var(--dk);color:#8a97ac;padding:48px 0 28px;font-size:13px}
.footer-inner{display:flex;flex-wrap:wrap;gap:32px;justify-content:space-between;align-items:flex-start}
.footer-brand-name{font-size:16px;font-weight:800;letter-spacing:1.5px;color:var(--wh);text-transform:uppercase;margin-bottom:8px}
.footer-brand-name em{color:var(--cop);font-style:normal}
.footer-links{display:flex;flex-direction:column;gap:8px}
.footer-links a:hover{color:var(--wh)}
.footer-base{margin-top:32px;padding-top:20px;border-top:1px solid var(--brd);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:12px;color:#5b6b85}