:root{
  --ink:#17352d; --muted:#60746d; --leaf:#245b47; --leaf2:#3f7c61;
  --lime:#ddecac; --sand:#f5f1e7; --paper:#fffef9; --line:#dbe4dc;
  --max:1160px; --radius:18px;
}
*{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",sans-serif;line-height:1.65}
a{color:var(--leaf);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:#143f31}
img,svg{max-width:100%}
.wrap{width:min(var(--max),calc(100% - 34px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,254,249,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-row{display:flex;align-items:center;justify-content:space-between;gap:22px;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:850;letter-spacing:-.02em;font-size:1.18rem}
.brand svg{width:34px;height:34px}
nav{display:flex;gap:17px;align-items:center;font-size:.94rem;font-weight:700}
nav a{text-decoration:none;color:var(--ink)}
.menu-btn{display:none;border:1px solid var(--line);background:white;border-radius:10px;padding:8px 11px;font-weight:700}
.hero{padding:74px 0 58px;background:linear-gradient(145deg,#f6f0df,#eef6e5 56%,#dcebb1)}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:50px;align-items:center}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-weight:850;font-size:.77rem;color:var(--leaf2)}
h1,h2,h3{line-height:1.13;letter-spacing:-.035em}
h1{font-size:clamp(2.55rem,7vw,5.5rem);margin:.12em 0 .2em}
.hero p{font-size:1.17rem;max-width:700px;color:#36584d}
.hero-art{padding:12px}
.pills{display:flex;gap:9px;flex-wrap:wrap;margin-top:24px}
.pill{display:inline-block;background:#fff9;border:1px solid #ffffffc4;border-radius:999px;padding:7px 12px;font-weight:760;font-size:.88rem}
.section{padding:58px 0}
.section.alt{background:var(--sand)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px}
.section-head h2{font-size:clamp(1.8rem,4vw,2.7rem);margin:0}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:23px;background:white;box-shadow:0 8px 24px rgba(32,62,50,.04)}
.card h3{margin:.2em 0 .35em;font-size:1.27rem}
.card p{margin:.4em 0;color:var(--muted)}
.card .kicker{font-size:.76rem;text-transform:uppercase;letter-spacing:.09em;font-weight:850;color:var(--leaf2)}
.card a.stretched{text-decoration:none;color:var(--ink)}
.card:hover{transform:translateY(-2px);transition:.15s ease;box-shadow:0 11px 28px rgba(32,62,50,.08)}
.article-hero{padding:48px 0 32px;background:linear-gradient(145deg,#f6f0df,#edf5e5)}
.breadcrumbs{font-size:.86rem;color:var(--muted);margin-bottom:15px}
.article-hero h1{font-size:clamp(2.2rem,6vw,4.5rem);max-width:900px;margin:.1em 0}
.deck{font-size:1.18rem;max-width:800px;color:#3f5d53}
.article-layout{display:grid;grid-template-columns:minmax(0,760px) 280px;gap:56px;align-items:start;padding:42px 0 70px}
.prose{font-size:1.04rem}
.prose h2{font-size:1.75rem;margin-top:2em}
.prose h3{font-size:1.3rem;margin-top:1.6em}
.quick-answer{background:#edf5e5;border-left:5px solid var(--leaf2);padding:18px 20px;border-radius:0 14px 14px 0;margin:4px 0 28px}
.fact-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:24px 0}
.fact{background:var(--sand);border-radius:12px;padding:14px 16px}
.fact strong{display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.sidebar{position:sticky;top:92px}
.toc,.related{border:1px solid var(--line);border-radius:15px;padding:18px;background:#fff}
.toc h3,.related h3{font-size:1rem;margin:0 0 10px}
.toc a,.related a{display:block;padding:6px 0;text-decoration:none;font-size:.9rem}
.ad-slot{border:1px dashed #9eb0a8;border-radius:12px;background:#f7faf8;color:#73847e;text-align:center;padding:18px;margin:28px 0;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase}
.source-box{margin-top:38px;padding:20px;border:1px solid var(--line);border-radius:14px;background:#fbfcf9}
.source-box h2{font-size:1.18rem;margin:0 0 8px}
.source-box li{margin:8px 0}
.callout{padding:18px 20px;border-radius:14px;background:#f7f0dc;margin:24px 0}
.hub-intro{max-width:760px}
.footer{background:#17352d;color:#eaf3ee;padding:46px 0 25px}
.footer a{color:#ddecac}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:30px}
.footer small{color:#bcd0c7}
.footer-brand{font-weight:850;font-size:1.2rem}
.subnav{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.subnav a{background:white;border:1px solid var(--line);padding:8px 12px;border-radius:999px;text-decoration:none;font-weight:700;font-size:.9rem}
.notice{background:#fff5d7;border:1px solid #ead99b;border-radius:12px;padding:14px 16px}
@media(max-width:860px){
 nav{display:none}.menu-btn{display:block}.nav-open nav{display:flex;position:absolute;top:70px;left:0;right:0;background:white;padding:18px;flex-direction:column;border-bottom:1px solid var(--line)}
 .hero-grid,.article-layout{grid-template-columns:1fr}.hero{padding-top:45px}.hero-art{max-width:460px}.sidebar{position:static}.grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr}
}
@media(max-width:560px){.grid,.fact-grid{grid-template-columns:1fr}.wrap{width:min(var(--max),calc(100% - 24px))}}