:root{--ink:#17212b;--muted:#596677;--line:#d8e0e8;--paper:#f8faf8;--white:#fff;--blue:#22577a;--green:#2f7d6d;--mint:#d9efe7;--gold:#c59235;--coral:#c95d4f;--slate:#26384a}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;line-height:1.65}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.site-header{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:16px clamp(18px,4vw,54px);background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand-mark{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:8px;background:var(--slate);color:#fff;font-weight:800;font-size:13px}
.brand small{display:block;color:var(--muted);font-size:12px;line-height:1.1}
.nav{display:flex;gap:16px;flex-wrap:wrap;justify-content:flex-end}
.nav a{font-size:14px;color:var(--ink)}
.page-hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(310px,.9fr);gap:34px;align-items:center;padding:44px clamp(18px,5vw,70px);background:linear-gradient(125deg,#eef7f2 0%,#fff 58%,#f5efe4 100%);border-bottom:1px solid var(--line)}
.hero-copy{max-width:880px}
.kicker{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--coral);font-weight:800;margin:0 0 8px}
h1{font-size:clamp(34px,5vw,60px);line-height:1.05;margin:0 0 14px;letter-spacing:0}
h2{font-size:clamp(24px,3vw,34px);line-height:1.15;margin:0 0 12px;letter-spacing:0}
h3{font-size:20px;line-height:1.2;margin:0 0 8px;letter-spacing:0}
p{margin:0 0 14px}
.lede{font-size:20px;color:#314355;max-width:830px}
.reviewed{color:var(--muted);font-size:14px;margin:18px 0 0}
.hero-image{width:100%;border:1px solid var(--line);border-radius:8px;box-shadow:0 20px 48px rgba(24,36,48,.12);background:#fff}
.content{max-width:1120px;margin:0 auto;padding:34px clamp(18px,4vw,46px) 60px}
.content section{margin:0 0 34px}
.intro-grid,.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,.8fr);gap:18px}
.field-note,.note,.sources,.contact-box{background:#fff;border:1px solid var(--line);border-radius:8px;padding:20px}
.field-note{border-left:5px solid var(--gold)}
.note{border-left:5px solid var(--green)}
.directory-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.directory-link{display:block;background:#fff;border:1px solid var(--line);border-radius:8px;padding:18px;color:var(--ink);min-height:120px}
.directory-link span{display:block;font-size:18px;line-height:1.25;color:var(--blue);font-weight:750}
.directory-link small{display:block;color:var(--muted);font-size:14px;margin-top:7px}
ul{padding-left:22px;margin:0 0 16px}
li{margin:7px 0}
.worksheet{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:16px}
.worksheet label{display:flex;gap:10px;align-items:flex-start;padding:10px;border:1px solid #edf1f5;border-radius:8px;background:#fbfcfd}
.worksheet label span{flex:0 0 18px;width:18px;height:18px;border:2px solid var(--green);border-radius:4px;margin-top:3px}
.source-list{columns:2;gap:28px}
.related{border-top:1px solid var(--line);padding-top:24px}
.resource-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.resource-list a{display:block;background:#fff;border:1px solid var(--line);border-radius:8px;padding:16px}
.resource-list strong{display:block;color:var(--blue)}
.resource-list span{display:block;color:var(--muted);font-size:13px;word-break:break-word;margin-top:5px}
.site-footer{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(220px,.6fr);gap:24px;padding:34px clamp(18px,4vw,54px);background:#17212b;color:#f2f7f7}
.site-footer p{color:#cdd6dc}
.footer-links{display:grid;gap:8px}
.footer-links a{color:#fff}
@media(max-width:920px){.site-header{position:static;align-items:flex-start;flex-direction:column}.nav{justify-content:flex-start}.page-hero,.intro-grid,.split,.site-footer{grid-template-columns:1fr}.directory-grid,.worksheet,.resource-list{grid-template-columns:1fr}.source-list{columns:1}h1{font-size:36px}.lede{font-size:18px}.hero-image{max-height:360px;object-fit:cover}}