:root{
  --navy:#0B1B2E;
  --panel:#122644;
  --panel-2:#16304f;
  --cyan:#6FE0F0;
  --paper:#EAF2F6;
  --slate:#90A9BE;
  --amber:#FFB648;
  --line: rgba(111,224,240,0.18);
  --font-display:'Space Grotesk', sans-serif;
  --font-mono:'IBM Plex Mono', monospace;
  --font-body:'Inter', sans-serif;
}
*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
body{
  background-color:var(--navy);
  color:var(--paper);
  font-family:var(--font-body);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
a{ color:inherit; text-decoration:none; }
.container{ width:100%; max-width:1120px; margin:0 auto; padding:0 20px; }
@media (min-width:640px){ .container{ padding:0 32px; } }

/* Nav */
.nav{ position:sticky; top:0; z-index:50; background:rgba(11,27,46,0.9); backdrop-filter:blur(8px); border-bottom:1px solid var(--line); }
.nav-inner{ display:flex; align-items:center; justify-content:space-between; padding:16px 20px; max-width:1120px; margin:0 auto; }
@media (min-width:640px){ .nav-inner{ padding:16px 32px; } }
.nav-mark{ display:flex; align-items:center; gap:10px; }
.mark-box{ font-family:var(--font-display); font-weight:700; font-size:14px; color:var(--cyan); border:1.5px solid var(--cyan); border-radius:8px; width:36px; height:36px; display:flex; align-items:center; justify-content:center; }
.nav-name{ font-family:var(--font-mono); font-size:13px; color:var(--paper); }
.nav-links{ display:none; gap:26px; font-family:var(--font-mono); font-size:13px; }
@media (min-width:900px){ .nav-links{ display:flex; align-items:center; } }
.nav-links a{ color:var(--slate); transition:color .2s ease; }
.nav-links a:hover{ color:var(--cyan); }
.nav-cta{ border:1px solid var(--cyan); color:var(--cyan) !important; padding:8px 16px; border-radius:6px; }
.nav-cta:hover{ background:rgba(111,224,240,0.08); }

/* Breadcrumb */
.crumbs{ font-family:var(--font-mono); font-size:12px; color:var(--slate); padding:20px 0 0; }
.crumbs a{ color:var(--cyan); }
.crumbs span{ margin:0 6px; color:var(--slate); }

/* Page header */
.page-hero{ padding:28px 0 40px; border-bottom:1px solid var(--line); }
.eyebrow{ font-family:var(--font-mono); font-size:12px; letter-spacing:2px; text-transform:uppercase; color:var(--cyan); margin-bottom:14px; display:flex; align-items:center; gap:10px; }
.eyebrow::before{ content:''; width:16px; height:1px; background:var(--cyan); display:inline-block; }
.page-title{ font-family:var(--font-display); font-weight:600; font-size:clamp(28px,5vw,44px); color:var(--paper); max-width:780px; margin-bottom:16px; }
.page-sub{ font-size:16px; color:var(--slate); max-width:700px; line-height:1.7; }
.hero-ctas{ display:flex; flex-wrap:wrap; gap:14px; margin-top:26px; }
.btn{ display:inline-flex; align-items:center; gap:8px; padding:12px 22px; border-radius:8px; font-family:var(--font-mono); font-size:13px; font-weight:500; transition:all .2s ease; }
.btn-primary{ background:var(--amber); color:var(--navy); font-weight:600; }
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 8px 24px rgba(255,182,72,0.25); }
.btn-outline{ border:1.5px solid var(--cyan); color:var(--cyan); }
.btn-outline:hover{ background:rgba(111,224,240,0.08); transform:translateY(-2px); }

/* Content */
.section{ padding:52px 0; border-bottom:1px solid var(--line); }
.section:last-of-type{ border-bottom:none; }
.section-title{ font-family:var(--font-display); font-weight:600; font-size:clamp(22px,3.4vw,30px); color:var(--paper); margin-bottom:22px; max-width:700px; }
.content-block p{ font-family:var(--font-body); font-size:15.5px; line-height:1.8; color:var(--slate); max-width:820px; margin-bottom:18px; }
.content-block strong{ color:var(--paper); font-weight:600; }
.content-block ul{ margin:6px 0 20px 20px; color:var(--slate); font-size:15.5px; line-height:1.8; max-width:780px; }
.content-block li{ margin-bottom:8px; }
.content-block li strong{ color:var(--paper); }
.content-block h3{ font-family:var(--font-display); color:var(--paper); font-size:19px; margin:10px 0 12px; }

/* Related grid */
.related-grid{ display:grid; grid-template-columns:1fr; gap:14px; margin-top:8px; }
@media (min-width:640px){ .related-grid{ grid-template-columns:1fr 1fr; } }
@media (min-width:960px){ .related-grid{ grid-template-columns:1fr 1fr 1fr; } }
.related-card{ border:1px solid var(--line); border-radius:10px; padding:18px 20px; background:var(--panel); transition:border-color .2s ease, transform .2s ease; }
.related-card:hover{ border-color:var(--cyan); transform:translateY(-2px); }
.related-card .rc-title{ font-family:var(--font-display); font-size:15px; color:var(--paper); margin-bottom:6px; }
.related-card .rc-tag{ font-family:var(--font-mono); font-size:11px; color:var(--cyan); }

/* FAQ accordion (CSS only) */
.faq-item{ border:1px solid var(--line); border-radius:10px; margin-bottom:12px; background:var(--panel); overflow:hidden; }
.faq-item summary{ font-family:var(--font-display); font-size:15.5px; color:var(--paper); padding:18px 20px; cursor:pointer; list-style:none; display:flex; justify-content:space-between; align-items:center; }
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{ content:'+'; color:var(--cyan); font-size:20px; margin-left:12px; }
.faq-item[open] summary::after{ content:'−'; }
.faq-item .faq-body{ padding:0 20px 20px; color:var(--slate); font-size:15px; line-height:1.75; }

/* CTA panel */
.cta-panel{ border:1px solid var(--line); border-radius:14px; padding:36px 28px; text-align:center; background:var(--panel); }
.cta-panel .section-title{ margin:0 auto 14px; max-width:600px; }
.cta-panel p{ color:var(--slate); max-width:560px; margin:0 auto 22px; }
.cta-ctas{ display:flex; justify-content:center; flex-wrap:wrap; gap:14px; }

/* Footer */
.footer{ border-top:1px solid var(--line); padding:32px 0; text-align:center; }
.footer-social{ display:flex; justify-content:center; gap:14px; margin-bottom:16px; }
.footer-social a{ width:36px; height:36px; display:flex; align-items:center; justify-content:center; border:1px solid var(--line); border-radius:50%; color:var(--cyan); }
.footer-social svg{ width:18px; height:18px; }
.footer-tag{ font-family:var(--font-mono); font-size:12px; color:var(--cyan); margin-bottom:8px; letter-spacing:0.5px; }
.footer-copy{ font-family:var(--font-mono); font-size:12px; color:var(--slate); }
.footer-links{ font-family:var(--font-mono); font-size:12px; color:var(--slate); margin-top:14px; display:flex; flex-wrap:wrap; gap:14px; justify-content:center; }
.footer-links a:hover{ color:var(--cyan); }