:root{--bg:#f6f7f9;--card:#fff;--ink:#20242b;--muted:#686f79;--line:#e1e4e8;--purple:#7462d3;--lime:#dff4ad;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg);font-synthesis:none}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);line-height:1.65}
a{color:inherit}
.seo-header{height:72px;display:flex;align-items:center;justify-content:space-between;gap:30px;max-width:1120px;margin:auto;padding:0 24px;border-bottom:1px solid var(--line)}
.seo-brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:760;letter-spacing:-.02em}
.seo-brand>span{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:var(--ink);color:#fff;font-weight:800;letter-spacing:-2px}
.seo-header nav,.seo-footer nav{display:flex;flex-wrap:wrap;gap:22px}
.seo-header nav a,.seo-footer a{text-decoration:none;color:var(--muted);font-size:14px}
.seo-header nav a:hover,.seo-footer a:hover,.sources a:hover{text-decoration:underline}
main{max-width:1040px;margin:auto;padding:0 24px 72px}
.breadcrumbs{margin:24px 0}
.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0;color:var(--muted);font-size:13px}
.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:8px;color:#a9aeb6}
.breadcrumbs a{text-decoration:none}
.seo-hero{padding:52px clamp(24px,7vw,72px);margin:18px 0 28px;border-radius:28px;background:linear-gradient(135deg,#272b33 0%,#29253c 100%);color:#fff;overflow:hidden;position:relative}
.seo-hero::after{content:"";position:absolute;width:280px;height:280px;border-radius:50%;right:-90px;bottom:-160px;background:var(--lime);opacity:.18}
.seo-hero.compact{padding-block:48px}
.eyebrow{display:block;color:#b9efb3;font-size:11px;letter-spacing:.14em;font-weight:750;margin-bottom:13px}
.seo-hero h1,.prose h1,.error-page h1{font-size:clamp(32px,6vw,58px);line-height:1.02;letter-spacing:-.055em;max-width:850px;margin:0 0 22px}
.seo-hero p,.profile-page .seo-hero p{max-width:740px;color:#d7d9de;font-size:17px;margin:0 0 28px}
.seo-hero strong{color:#fff}
.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:16px;position:relative;z-index:1}
.hero-actions>span{font-size:13px;color:#c7cbd2}
.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:13px;text-decoration:none;font-weight:720}
.primary{background:var(--lime);color:#263122}
.secondary{background:#fff;border:1px solid var(--line)}
article.profile-page>section,.method-note,.guide-group,.prose{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:clamp(23px,4vw,38px);margin:18px 0}
.profile-page h2,.method-note h2,.guide-group h2,.prose h2{font-size:clamp(21px,3vw,29px);line-height:1.15;letter-spacing:-.035em;margin:0 0 18px}
.profile-page p,.method-note p,.prose p{color:#454b54}
.requirements{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;margin:0}
.requirements>div{display:grid;grid-template-columns:minmax(125px,.75fr) 1.25fr;gap:15px;padding:15px 0;border-bottom:1px solid var(--line)}
.requirements>div:nth-last-child(-n+2){border-bottom:0}
.requirements>div:nth-child(odd){padding-right:24px}
.requirements>div:nth-child(even){padding-left:24px;border-left:1px solid var(--line)}
dt{color:var(--muted);font-size:13px}
dd{margin:0;font-weight:650}
.disclaimer{font-size:13px;border-left:3px solid #dfb65c;padding:10px 0 10px 16px;margin:25px 0 0!important}
.steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;list-style:none;counter-reset:step;margin:0;padding:0}
.steps li{counter-increment:step;display:grid;grid-template-columns:36px 1fr;column-gap:10px;padding:18px;border-radius:15px;background:var(--bg)}
.steps li::before{content:counter(step,decimal-leading-zero);grid-row:1/3;color:var(--purple);font-weight:800}
.steps strong{line-height:1.35}
.steps span{color:var(--muted);font-size:13px;margin-top:5px}
.sources ul,.related ul,.guide-group ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.sources li,.related a,.guide-group a{display:flex;justify-content:space-between;gap:20px;border:1px solid var(--line);border-radius:13px;padding:14px 16px;text-decoration:none}
.sources li{flex-wrap:wrap}
.sources li span,.related span,.guide-group span{color:var(--muted);font-size:13px}
.related a,.guide-group a{align-items:center}
.related a{font-weight:680}
.related span,.guide-group span{text-align:right;font-weight:400}
.guide-group{margin-top:24px}
.guide-group ul{grid-template-columns:repeat(2,minmax(0,1fr))}
.guide-group a{height:100%;flex-direction:column;align-items:flex-start;gap:4px}
.guide-group span{text-align:left}
.prose{max-width:820px;margin:28px auto}
.prose .lead{font-size:19px;color:var(--ink)}
.prose h2{margin-top:34px}
.prose.legal p{white-space:normal}
.error-page{text-align:center;padding:100px 20px}
.error-page h1{margin-inline:auto}
.error-page p{max-width:600px;margin:0 auto 28px;color:var(--muted)}
.error-page .hero-actions{justify-content:center}
.seo-footer{max-width:1120px;margin:0 auto;padding:30px 24px 42px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:25px;color:var(--muted);font-size:14px}
@media(max-width:700px){.seo-header{height:auto;align-items:flex-start;padding-block:16px}
.seo-header nav{justify-content:flex-end;gap:10px 16px}
.seo-header nav a{font-size:12px}
.requirements{grid-template-columns:1fr}
.requirements>div:nth-child(n){padding-inline:0;border-left:0;border-bottom:1px solid var(--line)}
.requirements>div:last-child{border-bottom:0}
.steps,.guide-group ul{grid-template-columns:1fr}
.sources li,.related a{align-items:flex-start;flex-direction:column;gap:4px}
.related span{text-align:left}
.seo-footer{flex-direction:column}
.seo-hero{border-radius:20px;padding:35px 23px}
.seo-hero h1,.prose h1,.error-page h1{font-size:36px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
}