/* ================================================================
   DINEX UGC — public content pages (guides, glossary).
   DESIGN SYSTEM v3 (see DESIGN.md): Coinbase-derived, blue + white.
   The landing page carries its own inline copy of these tokens.
   ================================================================ */
:root{
    --primary:#2563EB; --primary-pressed:#1D4ED8; --primary-tint:#DBEAFE; --primary-soft:#EFF4FF;
    --on-primary-soft:rgba(255,255,255,.8);
    --ink:#0A1124; --body:#4B5872; --muted:#66748C;
    --canvas:#FFFFFF; --surface-soft:#F5F8FF; --surface-strong:#EAF0FB;
    --hairline:#DEE5F0; --hairline-soft:#EDF1F8;
    --r-md:12px; --r-lg:16px; --r-xl:24px; --r-pill:100px;
    --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
    --safe-l:env(safe-area-inset-left,0px); --safe-r:env(safe-area-inset-right,0px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px;-webkit-text-size-adjust:100%}
body{font-family:'Inter',-apple-system,system-ui,'Segoe UI',Roboto,sans-serif;color:var(--ink);background:var(--canvas);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--primary)}
img{max-width:100%;display:block}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.wrap{max-width:1200px;margin:0 auto;padding:0 max(24px,var(--safe-r)) 0 max(24px,var(--safe-l))}
.num{font-family:var(--mono);font-weight:500;letter-spacing:-.02em}
.skip{position:absolute;left:-9999px;top:8px;z-index:2000;background:#fff;color:var(--primary);padding:10px 16px;border-radius:var(--r-pill);font-weight:600}
.skip:focus{left:16px}

/* Pills */
.pill{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-pill);font-size:16px;font-weight:600;line-height:1;white-space:nowrap;text-decoration:none;border:1px solid transparent;transition:background .15s,color .15s}
.pill-primary{background:var(--primary);color:#fff}
.pill-primary:hover{background:var(--primary-pressed);color:#fff}
.pill-secondary{background:var(--surface-strong);color:var(--ink)}
.pill-secondary:hover{background:var(--primary-tint);color:var(--ink)}
.pill-white{background:#fff;color:var(--primary-pressed)}
.pill-white:hover{background:var(--primary-tint);color:var(--primary-pressed)}
.pill-outline-white{color:#fff;border-color:rgba(255,255,255,.6)}
.pill-outline-white:hover{background:rgba(255,255,255,.12);color:#fff}

/* Nav */
.topnav{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--hairline);padding-top:env(safe-area-inset-top,0px)}
.topnav-row{height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand img{width:34px;height:34px}
.brand span{font-family:'Bebas Neue','Inter',sans-serif;font-size:1.55rem;color:var(--primary);letter-spacing:.06em;line-height:1}
.nav-links{display:flex;gap:28px}
.nav-links a{color:var(--ink);font-size:14px;font-weight:500;text-decoration:none}
.nav-links a:hover,.nav-links a[aria-current]{color:var(--primary)}
.nav-cta{display:flex;align-items:center;gap:8px}
.nav-cta .signin{font-size:14px;font-weight:600;color:var(--ink);text-decoration:none;padding:0 14px}
.topnav .pill{height:40px;font-size:14px;padding:0 18px}

/* Article */
.crumbs{font-size:13px;color:var(--muted);padding:24px 0 0}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--primary)}
.article{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:64px;padding:24px 0 96px}
.eyebrow{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-pill);background:var(--surface-strong);color:var(--ink);font-size:12px;font-weight:600;margin-bottom:20px}
.article h1{font-size:clamp(2rem,4.4vw,3.25rem);font-weight:400;line-height:1.06;letter-spacing:-.025em;margin-bottom:16px}
.byline{font-size:14px;color:var(--muted);margin-bottom:32px}
.tldr{background:var(--surface-soft);border:1px solid var(--hairline);border-radius:var(--r-xl);padding:24px 28px;margin-bottom:48px}
.tldr b{display:inline-flex;height:24px;align-items:center;padding:0 10px;border-radius:var(--r-pill);background:var(--primary);color:#fff;font-size:12px;font-weight:600;margin-bottom:12px}
.tldr p{font-size:18px;line-height:1.6;color:var(--ink)}
.prose h2{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:400;letter-spacing:-.02em;line-height:1.15;margin:48px 0 16px}
.prose h2:first-child{margin-top:0}
.prose p,.prose li{font-size:17px;line-height:1.7;color:var(--body)}
.prose p{margin-bottom:16px}
.prose ul,.prose ol{padding-left:22px;margin-bottom:16px}
.prose li{margin-bottom:8px}
.prose strong{color:var(--ink);font-weight:600}
.prose a{font-weight:500;text-underline-offset:3px}
.prose blockquote{border-left:3px solid var(--primary);background:var(--surface-soft);padding:16px 20px;border-radius:0 var(--r-md) var(--r-md) 0;font-size:16px;color:var(--ink);margin:0 0 16px}
.table-wrap{overflow-x:auto;margin:0 0 16px;border:1px solid var(--hairline);border-radius:var(--r-lg)}
.prose table{width:100%;border-collapse:collapse;font-size:15px;min-width:460px}
.prose th{text-align:left;font-size:13px;font-weight:600;color:var(--muted);background:var(--surface-soft);padding:12px 16px;border-bottom:1px solid var(--hairline)}
.prose td{padding:12px 16px;border-bottom:1px solid var(--hairline-soft);color:var(--body);vertical-align:top}
.prose tr:last-child td{border-bottom:0}
.prose td:first-child{color:var(--ink);font-weight:500}

.faq{margin-top:48px;border-top:1px solid var(--hairline)}
.faq h3{font-size:18px;font-weight:600;line-height:1.35;margin:24px 0 8px}
.faq p{font-size:16px;color:var(--body);line-height:1.65}

.sources{margin-top:48px;padding-top:24px;border-top:1px solid var(--hairline)}
.sources h2{font-size:14px;font-weight:600;letter-spacing:0;margin:0 0 12px;color:var(--ink)}
.sources li{font-size:14px;color:var(--muted)}

/* Sidebar */
.aside{position:sticky;top:96px;align-self:start;display:flex;flex-direction:column;gap:16px}
.aside-card{border:1px solid var(--hairline);border-radius:var(--r-xl);padding:24px}
.aside-card h2{font-size:14px;font-weight:600;margin-bottom:12px}
.aside-card ul{list-style:none}
.aside-card li+li{border-top:1px solid var(--hairline-soft)}
.aside-card li a{display:block;padding:10px 0;font-size:14px;line-height:1.4;color:var(--ink);text-decoration:none}
.aside-card li a:hover{color:var(--primary)}
.aside-cta{background:var(--primary);color:#fff;border-radius:var(--r-xl);padding:24px}
.aside-cta p{font-size:18px;line-height:1.35;margin-bottom:6px}
.aside-cta span{display:block;font-size:14px;color:var(--on-primary-soft);margin-bottom:20px}
.aside-cta .pill{width:100%}

/* Related + CTA band */
.related{background:var(--surface-soft);padding:72px 0}
.related h2{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:400;letter-spacing:-.02em;margin-bottom:24px}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.link-card{display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid var(--hairline);border-radius:var(--r-xl);padding:24px;text-decoration:none;transition:border-color .15s}
.link-card:hover{border-color:#BFD0EE}
.link-card small{font-size:12px;font-weight:600;color:var(--primary)}
.link-card b{font-size:17px;font-weight:600;color:var(--ink);line-height:1.35}
.link-card span{font-size:14px;color:var(--body);line-height:1.5}
.cta-band{background:var(--primary);color:#fff;padding:80px 0;text-align:center}
.cta-band h2{font-size:clamp(1.8rem,4vw,3rem);font-weight:400;letter-spacing:-.025em;line-height:1.08;margin-bottom:12px}
.cta-band p{font-size:17px;color:var(--on-primary-soft);margin-bottom:28px}
.cta-band .row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* Hub */
.hub-head{padding:72px 0 48px;max-width:760px}
.hub-head h1{font-size:clamp(2.2rem,5vw,3.5rem);font-weight:400;letter-spacing:-.03em;line-height:1.04;margin-bottom:16px}
.hub-head p{font-size:18px;color:var(--body)}
.hub-group{padding-bottom:64px}
.hub-group h2{font-size:22px;font-weight:600;margin-bottom:16px}

/* Footer */
footer{border-top:1px solid var(--hairline);padding:48px 0 calc(32px + env(safe-area-inset-bottom,0px))}
.foot{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap}
.foot-cols{display:flex;gap:56px;flex-wrap:wrap}
.foot h3{font-size:14px;font-weight:600;margin-bottom:12px}
.foot a{display:block;font-size:14px;color:var(--body);text-decoration:none;margin-bottom:10px}
.foot a:hover{color:var(--primary)}
.legal{margin-top:40px;padding-top:20px;border-top:1px solid var(--hairline);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px 24px;font-size:13px;color:var(--muted)}

@media (max-width:991px){
    .nav-links,.nav-cta .signin{display:none}
    .article{grid-template-columns:minmax(0,1fr);gap:40px}   /* minmax: wide tables scroll in .table-wrap, never widen the page */
    .aside{position:static}
    .card-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
    .wrap{padding:0 max(16px,var(--safe-r)) 0 max(16px,var(--safe-l))}
    .brand span{font-size:1.35rem}
    .tldr{padding:20px}
    .tldr p{font-size:17px}
    .prose p,.prose li{font-size:16px}
    .card-grid{grid-template-columns:1fr}
    .article{padding-bottom:64px}
    .related{padding:56px 0}
    .cta-band .pill{width:100%}
    .hub-head{padding:48px 0 32px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}