@font-face{font-family:Manrope;src:url('/fonts/Manrope-Variable.ttf') format('truetype');font-style:normal;font-weight:200 800;font-display:swap}
@font-face{font-family:'Instrument Serif';src:url('/fonts/InstrumentSerif-Regular.ttf') format('truetype');font-style:normal;font-weight:400;font-display:swap}
:root{--paper:#f5f2eb;--panel:#eeebe3;--ink:#252820;--muted:#65675c;--accent:#a63724;--line:#d7d6ca;--mono:ui-monospace,Consolas,monospace;--sans:Manrope,'Segoe UI',sans-serif;--display:'Instrument Serif',Georgia,serif;--ease:cubic-bezier(.2,.7,.2,1)}
html{scroll-behavior:smooth;scroll-padding-top:100px}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
::selection{color:var(--ink);background:#e5cbb3}
a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:4px;transition:color .2s,background .2s,border-color .2s}
a:hover{color:var(--ink)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:5px}
.wrap{width:min(840px,calc(100% - 64px));max-width:none;margin-inline:auto;padding-inline:0}
body>header{position:sticky;top:0;z-index:20;padding:0;background:rgba(245,242,235,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}
header .wrap{width:min(1240px,calc(100% - 80px));max-width:none;min-height:82px;display:flex;align-items:center;justify-content:space-between;flex-direction:row;gap:24px;padding:0}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--sans);font-size:19px;font-weight:750;letter-spacing:-.7px;text-decoration:none;color:var(--ink);white-space:nowrap}
.brand::before{content:'';width:23px;height:25px;display:inline-block;background:url('/specmatter-mark.svg') center/contain no-repeat;margin-right:2px}
.brand span{font-size:11px;font-family:var(--mono);font-weight:400;letter-spacing:.02em;color:var(--muted);border-left:1px solid var(--line);padding-left:10px}
header nav,.topnav{display:flex;gap:24px;flex-wrap:wrap;align-items:center;font-size:12px;line-height:1.5}
header nav a,.topnav a{position:relative;color:var(--ink);text-decoration:none;padding-block:8px}
header nav a::after{content:'';position:absolute;left:0;right:0;bottom:2px;height:1px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease)}
header nav a:hover::after,header nav a[aria-current='page']::after{transform:scaleX(1)}
.sm-progress{position:absolute;left:0;bottom:-1px;height:2px;width:100%;background:var(--accent);transform:scaleX(0);transform-origin:left;pointer-events:none}
.sm-skip{position:fixed;top:-100px;left:24px;z-index:100;background:var(--ink);color:var(--paper);padding:12px 20px;text-decoration:none}
.sm-skip:focus{top:12px;color:var(--paper)}
.hero{padding:54px 0 38px;max-width:none}
.kicker{font-family:var(--mono);font-size:11px;line-height:1.6;text-transform:uppercase;font-weight:400;color:var(--accent);letter-spacing:.09em;margin:0 0 20px}
h1{font-family:var(--display);font-size:clamp(38px,4.1vw,58px);font-weight:400;line-height:1.06;letter-spacing:-.025em;margin:12px 0 25px;overflow-wrap:break-word}
h2{font-family:var(--display);font-size:34px;font-weight:400;line-height:1.17;letter-spacing:-.015em;margin:0 0 22px}
h3{font-family:var(--sans);font-size:18px;font-weight:750;line-height:1.4;margin:28px 0 12px;letter-spacing:-.025em}
p,li{color:var(--ink);font-size:15px;line-height:1.8}
section>p{max-width:760px}
p{margin:0 0 18px}
ul,ol{padding-left:22px}
li{margin:7px 0}
.answer{font-size:17px;line-height:1.8;color:var(--ink);background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:0;padding:22px 24px;margin:0 0 22px;overflow-wrap:anywhere}
.answer p{font-size:inherit}
.meta,.lede,.note,.src,.updated,.facts{color:var(--muted);line-height:1.8}
.meta{font-family:var(--mono);font-size:11px;line-height:1.8;margin-top:18px}
.lede{font-size:15px}
section,.info{padding:42px 0;border-top:1px solid var(--line)}
section h2{max-width:730px}
code{font-family:var(--mono);font-size:.85em;line-height:1.6;color:var(--ink);background:#e9e7df;border:0;border-radius:2px;padding:2px 5px;overflow-wrap:anywhere}
pre{font-family:var(--mono);font-size:12px;line-height:1.8;background:var(--ink);color:#e9ebdd;border-radius:3px;padding:22px 24px;overflow-x:auto;max-width:100%;white-space:pre;margin:20px 0 24px}
pre code{font-size:inherit;color:inherit;background:transparent;padding:0;overflow-wrap:normal}
pre{scrollbar-color:#686d5b #30332a;scrollbar-width:thin}
pre.light{background:var(--panel);color:var(--ink);border:1px solid var(--line)}
.table-scroll{border:1px solid var(--line);border-radius:0;overflow-x:auto;margin:22px 0}
table{border-collapse:collapse;width:100%;font-size:13px;line-height:1.7}
th,td{border-bottom:1px solid var(--line);padding:15px 16px;text-align:left;vertical-align:top;color:var(--ink)}
th{background:#e8e6db;font-family:var(--mono);font-size:10px;letter-spacing:.05em;text-transform:uppercase;font-weight:500}
td{background:transparent}
tr:last-child td{border-bottom:0}
tr:hover td{background:#eeebe1}
.table-scroll table{min-width:620px}
figure{margin:30px 0}
figure img,img{max-width:100%;height:auto}
figure img{display:block;border:1px solid var(--line);border-radius:3px;background:#fff}
figcaption{font-family:var(--mono);font-size:11px;line-height:1.8;color:var(--muted);margin-top:12px;padding-left:16px;border-left:1px solid var(--accent)}
.status,.callout{border-radius:2px;background:#eee6d5;border:1px solid #dacdb6;padding:14px 18px;color:#5c4a2d}
.note-box{border:1px solid var(--line);background:var(--panel);border-radius:2px;padding:18px}
.download{display:inline-flex;align-items:center;gap:12px;min-height:42px;padding:10px 14px;margin:4px 4px 4px 0;border:1px solid var(--line);background:transparent;border-radius:2px;color:var(--ink);font-size:12px;font-weight:650;text-decoration:none}
.download::after{content:'↓';color:var(--accent)}
.download:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
details{border-bottom:1px solid var(--line);padding:0;border-radius:0;background:transparent}
summary{cursor:pointer;list-style:none;font-size:14px;line-height:1.6;font-weight:650;padding:18px 32px 18px 0;position:relative;color:var(--ink)}
summary::-webkit-details-marker{display:none}
summary::after{content:'+';position:absolute;right:2px;top:14px;font-size:23px;font-family:var(--mono);font-weight:400;color:var(--accent)}
details[open]>summary::after{content:'−'}
details p{padding-right:20px}
details[open]>:not(summary){animation:sm-open .25s var(--ease)}
.related,.split,.grid{gap:20px}
.box,.card{border:1px solid var(--line);background:transparent;border-radius:2px;padding:24px}
.tag,.new-label{font-family:var(--mono);font-size:10px;line-height:1.6;background:#eae5d8;color:var(--ink);border:1px solid var(--line);border-radius:0;padding:3px 7px}
footer{margin-top:36px;padding:32px 0 38px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}
footer p{font-size:11px;color:var(--muted);line-height:1.8;margin-bottom:14px}
footer a{color:var(--ink)}
.sm-top{position:fixed;right:22px;bottom:22px;z-index:15;display:grid;place-items:center;width:42px;height:42px;background:var(--paper);color:var(--ink);border:1px solid var(--line);border-radius:50%;text-decoration:none;font-size:20px;box-shadow:0 3px 12px #2528200c;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .2s,transform .2s,visibility .2s}
.sm-top.is-visible{opacity:1;visibility:visible;transform:none}
.sm-top:hover{border-color:var(--accent);color:var(--accent)}
.sm-reveal{animation:sm-rise .6s var(--ease) both}
@keyframes sm-rise{from{opacity:.35;transform:translateY(12px)}to{opacity:1;transform:none}}
@keyframes sm-open{from{opacity:.3;transform:translateY(-4px)}to{opacity:1;transform:none}}
@media(min-width:1450px){.wrap{width:min(860px,calc(100% - 80px))}h1{font-size:60px}}
@media(max-width:760px){header .wrap{width:calc(100% - 40px);min-height:94px;align-items:flex-start;justify-content:center;flex-direction:column;gap:5px;padding-block:14px}header nav,.topnav{gap:8px 18px;font-size:11px}.brand{font-size:18px}.brand span{font-size:10px}.wrap{width:calc(100% - 40px)}.hero{padding:32px 0 26px}h1{font-size:40px;margin-bottom:22px}h2{font-size:30px}section,.info{padding:32px 0}.answer{padding:18px;font-size:15px;line-height:1.8}.meta{font-size:10px}.kicker{font-size:10px;margin-bottom:16px}.sm-top{right:12px;bottom:12px;width:36px;height:36px}pre{font-size:11px;padding:18px}.box,.card{padding:20px}p,li{font-size:14px}}
@media(max-width:380px){header nav,.topnav{gap:6px 12px}.brand span{display:none}h1{font-size:36px}.wrap{width:calc(100% - 32px)}}
@media(max-width:760px){header nav a,.topnav a{display:inline-flex;align-items:center;min-height:44px;padding-block:10px}header .wrap{gap:0;padding-block:8px}.download{min-height:44px}summary{padding-block:20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.sm-reveal{opacity:1;transform:none}}
@media print{body{background:#fff}header,.sm-top,.sm-skip{display:none}.wrap{width:100%}.hero{padding-top:0}h1{font-size:36px}a{color:#000}section{break-inside:avoid}pre{white-space:pre-wrap}figure img{max-height:500px;object-fit:contain}}