.card,.data-card,.step-card,.loose-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}.step-num{color:var(--cyan);font-weight:800}.band{padding:1px 0}.inline-image-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px}.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
img{max-width:100%;height:auto}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--background);line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.2;color:var(--text)}
h1{font-size:clamp(28px,3.6vw,44px);font-weight:800}
h2{font-size:clamp(22px,2.4vw,30px);font-weight:700}
h3{font-size:clamp(18px,1.8vw,22px);font-weight:700}
p{margin:0 0 1em}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.site-header{position:sticky;top:0;z-index:80;background:var(--surface);border-bottom:1px solid var(--border);min-height:72px}
.header-inner{max-width:1200px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;gap:24px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);font-weight:700;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;background:var(--primary);color:#fff;font-weight:800;font-size:18px}
.brand-name{display:block;font-size:18px;font-weight:800;line-height:1.1}
.brand-tag{display:block;font-size:12px;color:var(--muted);margin-top:2px}
.nav-links{display:flex;align-items:center;gap:22px;flex:1 1 auto;justify-content:center}
.nav-links a{color:var(--text);font-weight:600;font-size:14px;padding:6px 2px;border-bottom:2px solid transparent;text-decoration:none}
.nav-links a:hover{color:var(--primary);border-bottom-color:var(--primary);text-decoration:none}
.header-action{display:inline-flex;align-items:center;justify-content:center;background:var(--primary);color:#fff!important;font-weight:700;font-size:14px;padding:10px 18px;border-radius:10px;text-decoration:none;border:0;cursor:pointer}
.header-action:hover{background:#1356c0;text-decoration:none}
.hamburger{display:none;background:transparent;border:0;cursor:pointer;width:40px;height:40px;padding:8px;flex-direction:column;justify-content:space-between;align-items:stretch;position:relative;z-index:85}
.hamburger span{display:block;width:100%;height:3px;background:var(--text);border-radius:2px}
.mobile-drawer{display:none}
.section{padding:56px 0}
.section-band{background:var(--surface-2)}
.hero{padding:64px 0 56px;background:linear-gradient(180deg,var(--surface) 0%,var(--background) 100%)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:48px;align-items:center}
.hero-grid>div{min-width:0}
.hero-grid .frame{margin:0;min-width:0}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.hero-lede{font-size:18px;color:var(--muted);max-width:560px;margin-bottom:20px}
.frame{margin:0;border-radius:14px;overflow:hidden;background:var(--surface);border:1px solid var(--border);box-shadow:0 8px 24px rgba(19,33,58,.08)}
.frame img{display:block;width:100%;height:auto}
.caption{display:block;font-size:13px;color:var(--muted);padding:10px 14px;border-top:1px solid var(--border);background:var(--surface)}
.section-head{max-width:760px;margin:0 auto 32px;text-align:center}
.section-head h2{margin-bottom:8px}
.section-head p{color:var(--muted);font-size:16px;margin:0}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 22px;border-radius:10px;font-weight:700;font-size:15px;text-decoration:none;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--primary);color:#fff!important}
.btn-primary:hover{background:#1356c0;text-decoration:none}
.btn-ghost{background:transparent;color:var(--primary)!important;border-color:var(--primary)}
.btn-ghost:hover{background:var(--surface-2);text-decoration:none}
.prose-band{max-width:760px;margin:0 auto;font-size:16px;color:var(--text)}
.prose-band h2{margin-top:32px}
.prose-band p{margin-bottom:1em}
.quiet{max-width:780px;margin:0 auto;text-align:center;color:var(--muted)}
.quiet h2{color:var(--text)}
.quiet a{color:var(--primary)}
.route-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;max-width:900px;margin:0 auto}
.route-list a{display:block;padding:16px 18px;background:var(--surface);border:1px solid var(--border);border-radius:12px;color:var(--text);font-weight:600;text-decoration:none}
.route-list a:hover{border-color:var(--primary);color:var(--primary);text-decoration:none}
.rule-index{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.route{display:flex;gap:14px;padding:18px;background:var(--surface);border:1px solid var(--border);border-radius:12px;color:var(--text);text-decoration:none}
.route:hover{border-color:var(--primary);text-decoration:none}
.route-no{font-size:14px;font-weight:800;color:var(--accent);min-width:32px}
.route strong{display:block;margin-bottom:4px}
.route span span{display:block;color:var(--muted);font-size:14px;font-weight:400}
.annotated{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:32px;align-items:start}
.annotated .frame{margin:0}
.notes{display:grid;gap:12px}
.note{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px 16px}
.note b{display:block;margin-bottom:4px;color:var(--text)}
.note p{margin:0;font-size:14px;color:var(--muted)}
.ledger{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border:1px solid var(--border);border-radius:12px;overflow:hidden;background:var(--surface)}
.ledger-row{padding:18px 20px;border-right:1px solid var(--border)}
.ledger-row:last-child{border-right:0}
.ledger-row strong{display:block;color:var(--text);margin-bottom:8px}
.ledger-row p{margin:0 0 4px;font-size:14px;color:var(--muted)}
.field-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:40px;align-items:start}
.field-grid .frame{margin:0}
.field-copy h2{margin-bottom:12px}
.check-panel{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px;align-items:start;background:var(--surface-2);border:1px solid var(--border);border-radius:14px;padding:24px}
.check-panel .checks{list-style:disc;padding-left:20px;margin:0;display:grid;gap:10px}
.check-panel .evidence{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:18px;display:grid;gap:12px}
.check-panel .evidence img{width:100%;height:auto;border-radius:8px;display:block}
.shelf{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.shelf-item{background:var(--surface);border:1px solid var(--border);border-radius:14px;overflow:hidden;display:flex;flex-direction:column}
.shelf-item img{display:block;width:100%;height:auto}
.shelf-item>div{padding:18px 20px}
.shelf-item h3{margin-bottom:6px}
.shelf-item p{margin:0;color:var(--muted);font-size:14px}
.feed{display:grid;gap:12px}
.feed-item{display:grid;grid-template-columns:120px minmax(0,1fr);gap:18px;padding:18px;background:var(--surface);border:1px solid var(--border);border-radius:12px}
.feed-date{font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.feed-item h3{margin-bottom:4px}
.feed-item p{margin:0;color:var(--muted);font-size:14px}
.standards{max-width:780px;margin:0 auto;text-align:center;color:var(--muted);font-size:14px}
.standards strong{color:var(--text)}
.site-footer{background:var(--text);color:#fff;padding:48px 0 32px;margin-top:48px}
.site-footer p{margin:0;color:#afc0d8;font-size:14px}
.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px;align-items:start}
.footer-grid .brand{display:flex;gap:10px;align-items:center;margin-bottom:10px;color:#fff}
.footer-grid .brand .brand-mark{background:var(--primary)}
.footer-grid .footer-title{font-weight:700;letter-spacing:.04em;text-transform:uppercase;font-size:13px;color:#fff;margin-bottom:10px}
.footer-grid .footer-links{display:flex;flex-direction:column;gap:6px}
.footer-grid .footer-links a{color:#afc0d8;text-decoration:none;font-size:14px}
.footer-grid .footer-links a:hover{color:#fff;text-decoration:underline}
.sticky-cta{position:fixed;bottom:14px;right:14px;z-index:60}
.sticky-cta .btn{box-shadow:0 6px 20px rgba(0,0,0,.18)}
.title{font-size:14px;color:var(--muted);font-weight:600}
.desc{color:var(--muted);font-size:14px}
.footer{font-size:13px;color:var(--muted);margin-top:24px;text-align:center}
.logo{height:32px;width:auto}
.btlink{display:inline-flex;align-items:center;gap:6px}
@media(max-width:899px){
  .nav-links{display:none}
  .header-action{display:none}
  .hamburger{display:flex;margin-left:auto}
  .mobile-drawer{display:flex;flex-direction:column;gap:6px;position:fixed;top:0;right:0;height:100dvh;width:82vw;max-width:340px;background:var(--surface);border-left:1px solid var(--border);padding:80px 22px 22px;box-shadow:-8px 0 24px rgba(0,0,0,.18);transform:translateX(100%);transition:transform .25s ease;z-index:55;overflow:auto;visibility:hidden}
  .mobile-drawer.open{transform:translateX(0);visibility:visible}
  .mobile-drawer-close{position:absolute;top:14px;right:14px;width:40px;height:40px;border:0;background:transparent;color:var(--text);font-size:28px;line-height:1;cursor:pointer;border-radius:10px;display:flex;align-items:center;justify-content:center}
  .mobile-drawer-close:hover{background:var(--surface-2);color:var(--primary)}
  .mobile-drawer a{display:block;padding:14px 12px;color:var(--text);font-weight:600;font-size:16px;border-radius:10px;text-decoration:none}
  .mobile-drawer a:hover{background:var(--surface-2);color:var(--primary);text-decoration:none}
  .hero{padding:36px 0 28px;overflow:visible}
  .hero-grid{gap:24px}
  .hero-grid .frame img{width:auto;max-width:100%;margin:0 auto;display:block}
  .hero-grid{grid-template-columns:1fr}
  .inline-image-row,.faq-grid{grid-template-columns:1fr}
  .field-grid,.check-panel{grid-template-columns:1fr;gap:24px}
  .annotated{grid-template-columns:1fr}
  .ledger{grid-template-columns:1fr}
  .ledger-row{border-right:0;border-bottom:1px solid var(--border)}
  .ledger-row:last-child{border-bottom:0}
  .shelf{grid-template-columns:1fr}
  .feed-item{grid-template-columns:1fr;gap:8px}
  .rule-index,.route-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
}
@media(max-width:560px){
  .footer-grid{grid-template-columns:1fr}
  .sticky-cta{left:14px;right:14px}
  .sticky-cta .btn{width:100%}
}