:root{--brand:#dd4141;--brand-hover:#cc3333;--brand-soft:#fde8e8;--text:#333;--muted:#5f5f5f;--border:#e7e7e7;--surface:#f7f7f7;--background:#fff;--font:Inter,NotionInter,-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;--radius:8px;--shell:1120px;--gutter:32px;--nav-height:60px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;min-width:320px;background:var(--background);color:var(--text);font-family:var(--font);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.shell{width:min(var(--shell),100%);margin-inline:auto;padding-inline:var(--gutter)}
.site-header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.94);border-bottom:1px solid var(--border);backdrop-filter:blur(12px)}
.header-inner{height:var(--nav-height);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:28px}
.brand{display:inline-flex;width:max-content;min-height:44px;align-items:center}.brand img{display:block;width:174px;height:auto}
.desktop-nav,.header-actions{display:flex;align-items:center;gap:28px;font-size:14px;font-weight:600}.desktop-nav a:hover,.text-link:hover{color:var(--brand)}
.header-actions{justify-self:end;gap:16px}.button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 17px;border-radius:4px;background:var(--brand);color:#fff;font-size:14px;font-weight:700}.button:hover{background:var(--brand-hover)}
.menu-button{display:none;width:44px;height:44px;border:1px solid var(--border);border-radius:4px;background:#fff;padding:11px}.menu-button span{display:block;height:2px;margin:4px 0;background:var(--text)}.mobile-nav{display:none}
.article-shell{padding-top:42px;padding-bottom:104px}.breadcrumbs{display:flex;flex-wrap:wrap;gap:9px;color:var(--muted);font-size:13px}.breadcrumbs a:hover{color:var(--brand)}
.article-header{max-width:820px;padding:62px 0 58px}.eyebrow{margin:0 0 14px;color:var(--brand);font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase}.article-header h1{margin:0;font-size:clamp(42px,6vw,68px);line-height:1.06;letter-spacing:-.035em}.lede{max-width:760px;margin:24px 0 0;color:var(--muted);font-size:20px;line-height:1.55}
.article-meta{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin:32px 0 0;padding:22px 0 0;border-top:1px solid var(--border)}.article-meta div{min-width:0}.article-meta dt{color:var(--muted);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.04em}.article-meta dd{margin:4px 0 0;font-size:14px;font-weight:600}.section-links{list-style:none;padding-left:0!important}.section-links li{padding-left:0!important}.section-links a{color:var(--brand);font-weight:700}.section-links a:hover{text-decoration:underline}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:76px;align-items:start}.article-body{min-width:0}.article-body section{padding:40px 0;border-top:1px solid var(--border)}.article-body section:first-child{padding-top:0;border-top:0}.article-body h2{margin:0 0 18px;font-size:30px;line-height:1.2;letter-spacing:-.02em}.article-body p,.article-body li{color:var(--muted);font-size:17px}.article-body p{margin:0 0 18px}.article-body ul{margin:20px 0;padding-left:22px}.article-body li{margin:10px 0;padding-left:5px}
.faq-section details{border-top:1px solid var(--border)}.faq-section details:last-child{border-bottom:1px solid var(--border)}.faq-section summary{position:relative;cursor:pointer;list-style:none;padding:20px 44px 20px 0;font-size:17px;font-weight:700}.faq-section summary::-webkit-details-marker{display:none}.faq-section summary::after{content:"+";position:absolute;right:8px;top:15px;color:var(--brand);font-size:24px;font-weight:400}.faq-section details[open] summary::after{content:"−"}.faq-section details p{max-width:720px;padding:0 36px 18px 0}
.article-cta{position:sticky;top:calc(var(--nav-height) + 28px);padding:26px;border:1px solid var(--border);border-radius:12px;background:var(--surface)}.article-cta h2{margin:0 0 12px;font-size:22px;line-height:1.25}.article-cta p:not(.eyebrow){margin:0 0 20px;color:var(--muted);font-size:14px}.article-cta .button{width:100%}
.site-footer{border-top:1px solid var(--border);background:var(--surface)}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:72px;padding-top:52px;padding-bottom:42px}.footer-grid p{max-width:420px;color:var(--muted);font-size:14px}.footer-grid h2{margin:0 0 14px;font-size:14px}.footer-grid>div:not(:first-child){display:flex;flex-direction:column;align-items:flex-start;gap:10px;font-size:14px}.footer-grid a:hover{color:var(--brand)}.footer-bottom{padding-top:20px;padding-bottom:26px;border-top:1px solid var(--border);color:var(--muted);font-size:13px}
@media(max-width:820px){:root{--gutter:22px}.header-inner{grid-template-columns:1fr auto}.desktop-nav,.header-actions{display:none}.menu-button{display:block}.mobile-nav.open{position:fixed;top:var(--nav-height);left:0;right:0;display:grid;gap:4px;padding:18px 22px 24px;border-bottom:1px solid var(--border);background:#fff;box-shadow:0 12px 32px rgba(0,0,0,.08)}.mobile-nav a{min-height:44px;display:flex;align-items:center;padding:0 10px;font-weight:600}.mobile-nav .button{justify-content:center;margin-top:10px}.article-shell{padding-top:28px;padding-bottom:72px}.article-header{padding:46px 0}.article-header h1{font-size:38px}.lede{font-size:17px}.article-meta{grid-template-columns:repeat(2,minmax(0,1fr))}.article-grid{grid-template-columns:1fr;gap:34px}.article-cta{position:static}.footer-grid{grid-template-columns:1fr;gap:30px}.brand img{width:150px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}