:root{--paper:#fbfaf7;--ink:#141414;--text:#2a2a28;--mute:#77756f;--rule:#e2dfd8;--stone:#efece6;--brass:#a8844f;--brass2:#8a6a3b}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--text);font:400 17.5px/1.7 "Hanken Grotesk",system-ui,sans-serif}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink)}
h1,h2,h3{font-family:"Instrument Serif",Georgia,serif;font-weight:400;color:var(--ink);line-height:1.05;letter-spacing:-.005em;margin:0}
.rf-vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.rf-skip{position:absolute;left:-999px}.rf-skip:focus{left:12px;top:12px;background:#fff;padding:8px;z-index:9}
/* masthead: centred name, quiet nav (TDF) */
.rf-mast{text-align:center;padding:26px 16px 0;border-bottom:1px solid var(--rule);background:var(--paper)}
.rf-name{font:400 clamp(34px,5vw,52px)/1 "Instrument Serif",serif;color:var(--ink);text-decoration:none;letter-spacing:-.01em}
.rf-name.rf-small{font-size:30px}
.rf-nav{display:flex;justify-content:center;gap:4px 26px;flex-wrap:wrap;padding:16px 0 14px}
.rf-nav a{font:500 12.5px/1 "Hanken Grotesk";letter-spacing:.14em;text-transform:uppercase;text-decoration:none;color:var(--text);padding:6px 0;border-bottom:1px solid transparent}
.rf-nav a:hover,.rf-nav a.rf-on{border-bottom-color:var(--brass);color:var(--ink)}
@media (max-width:700px){.rf-mast{padding-top:18px}.rf-nav{flex-wrap:wrap;overflow:visible;justify-content:center;gap:0 18px;padding:10px 0 8px}.rf-nav a{min-height:44px;display:inline-flex;align-items:center}.rf-nav::-webkit-scrollbar{display:none}}
/* home */
.rf-home{max-width:1320px;margin:0 auto;padding:0 20px 80px}
.rf-intro{text-align:center;padding:42px 0 30px}
.rf-intro p{font:400 clamp(26px,3.4vw,40px)/1.15 "Instrument Serif",serif;color:var(--ink);max-width:24ch;margin:0 auto}
.rf-intro em{color:var(--brass2)}
.rf-toprow{display:grid;grid-template-columns:2fr 1fr;gap:28px}
.rf-stack{display:grid;gap:28px}
.rf-card{display:block;text-decoration:none;color:var(--text)}
.rf-card figure{margin:0 0 14px;aspect-ratio:4/3;overflow:hidden;background:var(--stone)}
.rf-card.rf-big figure{aspect-ratio:16/10}
.rf-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.rf-card:hover img{transform:scale(1.025)}
.rf-card b{display:block;font:400 26px/1.08 "Instrument Serif",serif;color:var(--ink);margin:4px 0 6px}
.rf-card.rf-big b{font-size:clamp(32px,3.6vw,48px)}
.rf-card .rf-dek{font-size:15.5px;color:var(--mute)}
.rf-kick{font:500 11.5px/1.2 "Hanken Grotesk";letter-spacing:.16em;text-transform:uppercase;color:var(--brass2);margin:0}
.rf-band{margin-top:64px}
.rf-sh{font:400 30px/1 "Instrument Serif",serif;text-align:center;margin-bottom:26px;display:flex;align-items:center;gap:18px}
.rf-sh::before,.rf-sh::after{content:"";flex:1;height:1px;background:var(--rule)}
.rf-grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.rf-grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
@media (max-width:980px){.rf-toprow{grid-template-columns:1fr}.rf-stack{grid-template-columns:1fr 1fr}.rf-grid4,.rf-grid3{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.rf-stack,.rf-grid4,.rf-grid3{grid-template-columns:1fr}.rf-card b{font-size:24px}}
/* article */
.rf-lead{margin:0;max-height:78vh;overflow:hidden;position:relative}
.rf-lead img{width:100%;max-height:78vh;object-fit:cover}
.rf-lead figcaption{max-width:1320px;margin:0 auto;padding:8px 20px 0;font-size:12.5px;color:var(--mute)}
.rf-art{max-width:760px;margin:0 auto;padding:40px 20px 80px}
.rf-art > .rf-kick{text-align:center}
.rf-art h1{font-size:clamp(40px,6vw,66px);text-align:center;margin:12px 0 18px}
.rf-stand p{font-size:clamp(18px,2vw,20.5px);line-height:1.55;text-align:center;color:var(--text);margin:0 0 14px}
.rf-by{text-align:center;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--mute);margin:18px 0 0}
.rf-jump{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:26px 0 0;padding:18px 0;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.rf-jump a{font-size:14px;color:var(--text);text-decoration:none;padding:6px 12px;border:1px solid var(--rule);border-radius:99px;background:#fff}
.rf-jump a:hover{border-color:var(--brass)}
.rf-body h2{font-size:clamp(30px,3.6vw,40px);margin:56px 0 14px;scroll-margin-top:20px}
.rf-body h3{font-size:clamp(26px,3vw,32px);margin:52px 0 12px}
.rf-body p,.rf-body li{max-width:68ch}
.rf-body a{color:var(--brass2);text-underline-offset:3px}
.rf-body strong{color:var(--ink);font-weight:600}
/* pictures and the signature price tag */
.rf-pic{margin:26px -40px;position:relative}
.rf-pic img{width:100%;max-height:640px;object-fit:cover;background:var(--stone)}
.rf-pic figcaption{font-size:12.5px;color:var(--mute);margin:8px 40px 0}
.rf-tag{position:absolute;left:16px;top:16px;background:var(--brass);color:#fff;font:600 13.5px/1.25 "Hanken Grotesk";padding:8px 12px 8px 22px;max-width:calc(100% - 32px);border-radius:2px 14px 14px 2px;box-shadow:0 2px 10px rgba(0,0,0,.15)}
.rf-tag::before{content:"";position:absolute;left:8px;top:50%;width:7px;height:7px;margin-top:-3.5px;border-radius:50%;background:var(--paper)}
.rf-pair{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:26px -40px}
.rf-pair .rf-pic{margin:0}.rf-pair .rf-pic figcaption{margin:8px 0 0}
@media (max-width:860px){.rf-pic,.rf-pair{margin-left:-20px;margin-right:-20px}.rf-pic figcaption{margin:8px 20px 0}.rf-pair{grid-template-columns:1fr}.rf-pair .rf-pic figcaption{margin:8px 20px 0}.rf-tag{font-size:12.5px;left:10px;top:10px}}
/* tables, boxes, estimator */
.rf-tw{overflow-x:auto;margin:20px 0 0}
table{border-collapse:collapse;width:100%;font-size:15.5px;background:#fff}
th,td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--rule);vertical-align:top}
thead th{font:500 11.5px/1.3 "Hanken Grotesk";letter-spacing:.12em;text-transform:uppercase;color:var(--mute);border-bottom:1px solid var(--ink)}
tbody th{font-weight:600;color:var(--ink)}
td.rf-n{white-space:nowrap;font-weight:600;color:var(--ink)}
.rf-answer{border-top:1px solid var(--ink);border-bottom:1px solid var(--rule);padding:18px 0;margin:28px 0}
.rf-answer p{font-size:19px;margin:0;color:var(--ink)}
.rf-answer b{color:var(--brass2)}
.rf-est{background:#fff;border:1px solid var(--rule);padding:20px 22px;margin:26px 0}
.rf-est .rf-ek{font:500 11.5px/1 "Hanken Grotesk";letter-spacing:.16em;text-transform:uppercase;color:var(--brass2);margin:0 0 12px}
.rf-est label{display:block;font-weight:600;color:var(--ink)}
.rf-est input{width:100%;margin-top:10px;accent-color:var(--brass)}
.rf-est .rf-er{font:400 34px/1.1 "Instrument Serif",serif;color:var(--ink);margin:14px 0 6px}
.rf-est .rf-er b{font-weight:400;color:var(--brass2)}
.rf-est .rf-es{font-size:13.5px;color:var(--mute);margin:0}
.rf-note{font-size:13.5px;color:var(--mute)}
.rf-callout{background:var(--stone);padding:18px 22px;margin:26px 0}.rf-callout p{margin:0}
.rf-faq details{border-bottom:1px solid var(--rule);padding:14px 0}
.rf-faq summary{cursor:pointer;font:400 23px/1.2 "Instrument Serif",serif;color:var(--ink);list-style:none;display:flex;justify-content:space-between;gap:12px}
.rf-faq summary::-webkit-details-marker{display:none}
.rf-faq summary::after{content:"+";font:400 22px/1 "Hanken Grotesk";color:var(--brass)}.rf-faq details[open] summary::after{content:"\2212"}
.rf-faq details p{margin:10px 0 0}
.rf-sources{margin-top:56px;padding-top:16px;border-top:1px solid var(--ink)}
.rf-sources h2{font:500 12px/1 "Hanken Grotesk";letter-spacing:.16em;text-transform:uppercase;margin:0 0 12px}
.rf-sources ol{padding-left:20px;font-size:14.5px}.rf-sources li{margin:5px 0}.rf-sources a{color:var(--text)}
.rf-meta{font-size:13px;color:var(--mute)}
/* footer */
.rf-foot{border-top:1px solid var(--rule);background:var(--stone)}
.rf-fin{max-width:1100px;margin:0 auto;padding:44px 20px 40px;text-align:center}
.rf-foot nav{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 22px;margin:16px 0 0}
.rf-foot nav a{font-size:14px;color:var(--text);text-decoration:none}.rf-foot nav a:hover{color:var(--brass2)}
.rf-fin > p{font-size:14px;color:var(--mute);max-width:70ch;margin:22px auto 0}
.rf-fin .rf-credits{font-size:12px}