:root{--bg:#F2EFE7;--surface:#E6E1D4;--ink:#1E2420;--primary:#2F4A3A;--accent:#C2532C;--secondary:#5F7C80;--line:#C9C2B0;--ok-muted:#7A8F6A;--font-head:"Barlow Condensed","Roboto Condensed","Arial Narrow","Helvetica Neue","Liberation Sans Narrow","Nimbus Sans Narrow",Arial,sans-serif;--font-body:"Source Sans 3","Source Sans Pro",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans","Helvetica Neue",Arial,"Liberation Sans",sans-serif;--font-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono","DejaVu Sans Mono",monospace}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:18px;line-height:1.6}
a{color:var(--primary)}
a:hover{color:var(--accent)}
.skip-link{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:8px 12px}
.skip-link:focus{left:8px;top:8px}
.site-header{background:var(--surface);border-bottom:3px solid var(--primary)}
.header-inner{max-width:1080px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.brand-name{font-family:var(--font-head);font-size:clamp(20px,3vw,26px);font-weight:700;letter-spacing:.02em}
.site-nav{margin-left:auto}
.nav-list{list-style:none;margin:0;padding:0;display:flex;gap:4px;flex-wrap:wrap}
.nav-item{position:relative}
.nav-link{display:block;padding:8px 10px;text-decoration:none;font-family:var(--font-head);font-size:19px;color:var(--ink)}
.nav-link:hover,.nav-link:focus{color:var(--accent)}
.nav-dropdown{list-style:none;margin:0;padding:6px 0;position:absolute;left:0;top:100%;min-width:230px;background:#fff;border:1px solid var(--line);box-shadow:0 8px 20px rgba(30,36,32,.15);visibility:hidden;opacity:0;z-index:20}
.nav-item:hover .nav-dropdown,.nav-item:focus-within .nav-dropdown{visibility:visible;opacity:1}
.nav-dropdown a{display:block;padding:7px 14px;text-decoration:none;color:var(--ink);font-size:16px}
.nav-dropdown a:hover{background:var(--surface);color:var(--accent)}
.tread-band{height:96px;background-color:var(--surface);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='48' height='24' viewBox='0 0 48 24'%3E%3Cpath d='M6 4 L18 12 L6 20 M30 4 L42 12 L30 20' stroke='%232F4A3A' stroke-opacity='0.14' stroke-width='4' fill='none'/%3E%3C/svg%3E");background-repeat:repeat}
.tread-divider{height:14px;background-color:var(--surface);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='48' height='24' viewBox='0 0 48 24'%3E%3Cpath d='M6 4 L18 12 L6 20 M30 4 L42 12 L30 20' stroke='%232F4A3A' stroke-opacity='0.14' stroke-width='4' fill='none'/%3E%3C/svg%3E");background-repeat:repeat;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.hero{max-width:1080px;margin:0 auto;padding:28px 20px 8px}
.hero h1{font-family:var(--font-head);font-size:clamp(30px,5.2vw,52px);line-height:1.12;margin:0 0 12px;letter-spacing:.01em}
.lede{font-size:20px;max-width:760px}
.evidence-strip{list-style:none;margin:22px 0 10px;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.evidence-item{background:var(--surface);padding:14px 16px}
.evidence-label{display:block;font-family:var(--font-head);font-size:20px;font-weight:700;color:var(--primary)}
.evidence-note{display:block;font-size:15px;color:var(--ink)}
.buyer-instruction{font-size:19px;font-weight:700;color:var(--accent)}
.swatch-row{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0 4px;padding:0;list-style:none}
.swatch-chip{border:1px solid var(--primary);border-radius:999px;padding:4px 12px;font-family:var(--font-mono);font-size:14px;color:var(--primary);background:var(--bg)}
.main{max-width:1080px;margin:0 auto;padding:8px 20px 30px}
.main h1{font-family:var(--font-head);font-size:clamp(30px,5.2vw,50px);line-height:1.12;margin:10px 0 12px}
.main h2{font-family:var(--font-head);font-size:clamp(24px,3.6vw,32px);line-height:1.2;margin:30px 0 8px;color:var(--primary)}
.main h3{font-family:var(--font-head);font-size:22px;margin:20px 0 6px}
.main p{max-width:760px}
.breadcrumb{font-size:15px;color:var(--secondary);margin:6px 0 0}
.breadcrumb a{color:var(--secondary)}
.page-image{margin:20px 0 6px}
.page-image img{max-width:100%;height:auto;display:block;border:1px solid var(--line)}
.figure-caption{font-size:15px;color:var(--secondary);margin:6px 0 0}
.family-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:18px 0 6px;padding:0;list-style:none}
.family-card{background:#fff;border:1px solid var(--line);padding:14px 16px}
.card-edge{display:block;height:6px;margin:-14px -16px 12px;background-color:var(--surface);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='48' height='24' viewBox='0 0 48 24'%3E%3Cpath d='M6 4 L18 12 L6 20 M30 4 L42 12 L30 20' stroke='%232F4A3A' stroke-opacity='0.14' stroke-width='4' fill='none'/%3E%3C/svg%3E");background-repeat:repeat-x;background-size:48px 24px;background-position:center top}
.family-card h3{margin:0 0 6px}
.family-card h3 a{text-decoration:none;color:var(--primary)}
.family-card p{font-size:16px;margin:0}
.section{margin-top:8px}
.guide-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.guide-list li{border-left:4px solid var(--secondary);padding:6px 12px;background:var(--surface)}
.confirm-box{border:2px solid var(--accent);background:#FBF6EF;padding:16px 20px;margin:28px 0;max-width:760px}
.confirm-box h2,.confirm-box h3{color:var(--accent);margin-top:0}
.confirm-box ul{margin:8px 0 0;padding-left:20px}
.note-box{border:1px solid var(--line);background:var(--surface);padding:14px 18px;max-width:760px}
.cta-band{background:var(--primary);color:#fff;padding:24px 26px;margin:34px 0 8px;max-width:760px}
.cta-band h2{color:#fff;margin-top:0}
.cta-band p{color:#fff}
.cta-button{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;padding:10px 18px;font-family:var(--font-head);font-size:20px;margin:6px 10px 0 0}
.cta-button:hover{color:#fff;text-decoration:underline}
.cta-email{color:#fff}
.related-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.related-list a{display:inline-block;border:1px solid var(--line);background:#fff;padding:6px 12px;text-decoration:none;font-size:16px}
.related-heading{margin-top:30px}
.inquiry-form{max-width:640px;margin:18px 0}
.form-note{border:2px solid var(--accent);background:#FBF6EF;padding:14px 18px;max-width:640px;font-weight:700}
.form-field{margin:14px 0}
.form-field label{display:block;font-weight:700;margin-bottom:4px}
.form-field input,.form-field textarea{width:100%;padding:9px 10px;border:1px solid var(--line);background:#fff;font:inherit;font-size:17px}
.form-field textarea{min-height:120px}
.form-submit{background:var(--accent);color:#fff;border:0;padding:12px 22px;font-family:var(--font-head);font-size:20px;cursor:pointer}
.form-submit:disabled{opacity:.55;cursor:not-allowed}
.blog-meta{font-family:var(--font-mono);font-size:14px;color:var(--secondary)}
.site-footer{background:var(--ink);color:#EDEAE2;margin-top:30px}
.footer-inner{max-width:1080px;margin:0 auto;padding:26px 20px;display:flex;gap:26px;flex-wrap:wrap;align-items:flex-start}
.footer-note{max-width:520px;font-size:16px}
.footer-note a{color:#fff}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links a{color:#EDEAE2}
.footer-logo{margin:0}
@media(max-width:820px){.evidence-strip{grid-template-columns:1fr 1fr}.family-grid{grid-template-columns:1fr 1fr}.guide-list{grid-template-columns:1fr}.nav-dropdown{position:static;box-shadow:none;border:0;border-left:3px solid var(--line)}}
@media(max-width:420px){.evidence-strip{grid-template-columns:1fr}.family-grid{grid-template-columns:1fr}body{font-size:17px}}