@font-face{font-family:"IBM Plex Sans";src:url("/static/fonts/IBMPlexSans-Regular.woff2") format("woff2");font-style:normal;font-weight:400;font-display:swap}
@font-face{font-family:"IBM Plex Sans";src:url("/static/fonts/IBMPlexSans-Medium.woff2") format("woff2");font-style:normal;font-weight:500;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url("/static/fonts/IBMPlexMono-Regular.woff2") format("woff2");font-style:normal;font-weight:400;font-display:swap}
:root{--paper:#faf8f4;--surface:#fff;--warm:#f5efe6;--ink:#14161a;--muted:#5a5f68;--line:#dfdad1;--accent:#a85c1b;--accent-hover:#8a4914;color-scheme:light;font-family:"IBM Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper)}
*{box-sizing:border-box}
html{min-width:320px;background:var(--paper);scroll-behavior:smooth}
body{min-width:320px;min-height:100vh;margin:0;background:var(--paper)}
a{color:var(--accent);text-underline-offset:3px}
a:hover{color:var(--accent-hover)}
a:focus-visible{outline:3px solid var(--accent);outline-offset:4px;border-radius:2px}
.skip-link{position:fixed;z-index:50;top:8px;left:8px;padding:10px 14px;color:#fff;background:var(--ink);transform:translateY(-150%)}
.skip-link:focus{transform:none}
.guide-topbar{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:68px;padding:12px max(20px,calc((100vw - 1100px)/2));background:rgba(250,248,244,.96);border-bottom:1px solid var(--line)}
.guide-brand{display:flex;align-items:center;min-height:42px}
.guide-brand img{display:block;width:128px;height:auto}
.guide-nav{display:flex;align-items:center;gap:20px;font-family:"IBM Plex Mono",monospace;font-size:12px}
.guide-nav a{color:var(--ink);text-decoration:none}
.guide-nav a[aria-current="page"]{color:var(--accent)}
.guide-hero{padding:clamp(56px,8vw,104px) 20px clamp(42px,6vw,72px);border-bottom:1px solid var(--line)}
.guide-hero-inner{width:min(100%,900px);margin:0 auto}
.eyebrow{margin:0 0 14px;color:var(--accent);font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.12em;text-transform:uppercase}
h1{max-width:860px;margin:0;font-size:clamp(40px,6.5vw,72px);font-weight:500;line-height:1.04;letter-spacing:-.045em;text-wrap:balance}
.guide-deck{max-width:740px;margin:24px 0 0;color:var(--muted);font-size:clamp(18px,2.3vw,22px);line-height:1.55}
.guide-meta{margin:22px 0 0;color:var(--muted);font-family:"IBM Plex Mono",monospace;font-size:12px}
.guide-layout{display:grid;grid-template-columns:minmax(0,700px) minmax(220px,280px);gap:clamp(48px,7vw,92px);width:min(100%,1100px);margin:0 auto;padding:clamp(48px,7vw,88px) 20px}
.guide-article{min-width:0}
.guide-article section+section{margin-top:54px;padding-top:48px;border-top:1px solid var(--line)}
h2{margin:0 0 18px;font-size:clamp(28px,4vw,42px);font-weight:500;line-height:1.13;letter-spacing:-.03em;text-wrap:balance}
h3{margin:28px 0 8px;font-size:21px;font-weight:500;line-height:1.3}
p,li{font-size:17px;line-height:1.72}
p{margin:0 0 18px}
ul,ol{margin:18px 0 0;padding-left:24px}
li+li{margin-top:10px}
.guide-article ul>li::marker{color:var(--accent)}
strong{font-weight:500}
.guide-article .benchmark-followup{margin-top:26px;line-height:1.8}
.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:24px}
.topic-card{padding:20px;background:var(--surface);border:1px solid var(--line)}
.topic-card h3{margin:0 0 8px;font-size:18px}
.topic-card p{margin:0;color:var(--muted);font-size:15px;line-height:1.55}
.method-list{list-style:none;counter-reset:steps;margin:24px 0 0;padding:0}
.method-list li{display:grid;grid-template-columns:42px minmax(0,1fr);gap:14px;align-items:start;counter-increment:steps;padding:18px 0;border-top:1px solid var(--line)}
.method-list li::before{content:counter(steps,decimal-leading-zero);color:var(--accent);font-family:"IBM Plex Mono",monospace;font-size:13px;line-height:1.8}
.method-list strong{display:block;margin-bottom:3px}
.callout{margin:30px 0;padding:24px;background:var(--warm);border-left:3px solid var(--accent)}
.callout p:last-child{margin-bottom:0}
.guide-aside{position:sticky;top:28px;align-self:start;padding:24px;background:var(--surface);border:1px solid var(--line)}
.guide-aside .eyebrow{margin-bottom:10px}
.guide-aside h2{font-size:24px;line-height:1.2}
.guide-aside p{color:var(--muted);font-size:15px;line-height:1.55}
.cta-stack{display:grid;gap:10px;margin-top:22px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 18px;font-weight:500;text-align:center;text-decoration:none;border:1px solid var(--ink);transition:background 120ms ease,color 120ms ease,border-color 120ms ease}
.button-primary{color:#fff;background:var(--ink)}
.button-primary:hover{color:#fff;background:var(--accent);border-color:var(--accent)}
.button-secondary{color:var(--ink);background:transparent}
.button-secondary:hover{color:var(--accent);border-color:var(--accent)}
.button-white{color:var(--ink);background:var(--surface)}
.button-white:hover{color:var(--accent);border-color:var(--accent)}
.button-amber{color:#fff;background:var(--accent);border-color:var(--accent)}
.button-amber:hover{color:#fff;background:var(--accent-hover);border-color:var(--accent-hover)}
.guide-purchase-group{display:grid;gap:6px}
.guide-purchase-note{margin:0;color:var(--muted);font-family:"IBM Plex Mono",monospace;font-size:12px;line-height:1.4;text-align:center}
.guide-related{margin-top:28px;padding-top:22px;border-top:1px solid var(--line)}
.guide-related strong{display:block;margin-bottom:10px;font-family:"IBM Plex Mono",monospace;font-size:12px;text-transform:uppercase;letter-spacing:.08em}
.guide-related a{display:block;margin-top:8px;font-size:14px}
.guide-footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;padding:28px max(20px,calc((100vw - 1100px)/2));color:var(--muted);background:var(--warm);border-top:1px solid var(--line);font-family:"IBM Plex Mono",monospace;font-size:12px}
.guide-footer nav{display:flex;flex-wrap:wrap;gap:18px}
.guide-footer a{color:var(--muted);text-decoration:none}
.legal-footer{display:flex;flex-wrap:wrap;justify-content:center;gap:24px;padding:26px 18px 32px;color:#625f59;background:#f1eee8;border-top:1px solid #ded9d0;font-size:14px}
.legal-footer a{color:#9a4f12}
.about-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:30px 0}
.about-points article{padding:24px;background:var(--surface);border:1px solid var(--line)}
.about-points h2{font-size:22px}
.about-points p{margin:0;color:var(--muted);font-size:15px;line-height:1.6}
@media(max-width:820px){.guide-nav a:not(.guide-home-link):not(.guide-test-link){display:none}.guide-layout{grid-template-columns:1fr}.guide-aside{position:static}.topic-grid{grid-template-columns:1fr}.about-points{grid-template-columns:1fr}}
@media(max-width:520px){.guide-topbar{min-height:60px;padding:8px 16px}.guide-brand img{width:116px}.guide-nav{font-size:11px}.analog-guide .guide-nav{font-size:12px}.guide-hero{padding:42px 16px 36px}.guide-layout{padding:40px 16px 54px}.guide-article section+section{margin-top:42px;padding-top:38px}p,li{font-size:16px}.guide-footer{padding:24px 16px}.guide-footer>span{width:100%}}