:root{--forest:#173d2c;--green:#315c43;--leaf:#dfeadd;--cream:#fbf8ef;--gold:#d8b267;--ink:#25332b;--muted:#68766d;--white:#fff;--line:#dce4db}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--ink);font:17px/1.72 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:#285f42}
.site-header{background:rgba(23,61,44,.97);color:white;position:sticky;top:0;z-index:40;box-shadow:0 3px 14px #0002}.nav{max-width:1240px;margin:auto;padding:11px 20px;display:flex;align-items:center;gap:18px}.brand{font:800 25px Georgia,serif;color:#fff;text-decoration:none;white-space:nowrap}.navlinks{display:flex;gap:14px;flex:1}.navlinks a{color:#eef5ef;text-decoration:none;font-size:13px}.header-cta{background:var(--gold);color:#173d2c!important;text-decoration:none;font-weight:900;padding:10px 15px;border-radius:999px;white-space:nowrap;font-size:13px}
.wrap{max-width:1180px;margin:auto;padding:30px 20px}.layout{display:grid;grid-template-columns:minmax(0,800px) 300px;gap:38px}.breadcrumbs{font-size:13px;color:var(--muted);margin:0 0 18px}.hero{padding:34px;border:1px solid #d6dfd4;background:linear-gradient(135deg,#edf5e9,#fff8e9);border-radius:24px;margin-bottom:24px}.eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.09em;font-weight:900;color:#315c43}.hero h1,h1,h2,h3{font-family:Georgia,serif;line-height:1.18}h1{font-size:clamp(38px,5.6vw,60px);margin:.18em 0 .3em}h2{font-size:31px;margin:1.6em 0 .45em}h3{font-size:22px}.dek{font-size:20px;line-height:1.5;color:#45574b}.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;margin:22px 0;box-shadow:0 8px 26px #173d2c0b}.cta{display:inline-block;background:var(--green);color:#fff!important;text-decoration:none;font-weight:900;padding:13px 18px;border-radius:999px;margin:8px 7px 8px 0}.cta.secondary{background:#8d692f}.disclosure{font-size:13px;color:#5d6d62;background:#f0f3ed;border-radius:10px;padding:10px 13px}.toc{columns:2}.toc a{display:block;padding:3px 0}.factgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.fact{background:#f4f6f1;padding:15px;border-radius:13px}.editor-note{border-left:4px solid var(--gold);padding:4px 0 4px 16px;color:#4a5a50}.related{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.related a{padding:15px;border:1px solid var(--line);background:white;border-radius:13px;text-decoration:none}.sidebar{position:sticky;top:82px}.sidebox{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px;box-shadow:0 12px 34px #173d2c12}.mattress-art{height:150px;border-radius:15px;background:linear-gradient(#fbfaf4 0 40%,#ded9ca 40% 46%,#fff 46% 76%,#d9e0d8 76%);position:relative}.mattress-art:after{content:"ORGANIC LATEX • ZONED COILS";position:absolute;left:15px;bottom:18px;font-size:11px;letter-spacing:.07em;font-weight:900}.sidebox .cta{display:block;text-align:center}.tiny{font-size:11px;color:var(--muted)}
.mobile-bar{display:none;position:fixed;left:10px;right:10px;bottom:10px;z-index:50;background:#173d2c;border-radius:14px;padding:9px 10px;box-shadow:0 10px 28px #0005;align-items:center;gap:10px}.mobile-bar span{color:#fff;font-size:12px;line-height:1.3;flex:1}.mobile-bar a{background:var(--gold);color:#173d2c;text-decoration:none;font-weight:900;border-radius:999px;padding:9px 12px;font-size:12px}.footer{background:#173d2c;color:#dfe9e2;padding:38px 20px;margin-top:54px}.footer a{color:#fff}.footer-inner{max-width:1180px;margin:auto}.hubgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.hubcard{display:block;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;text-decoration:none}.hubcard h3{margin:.2em 0}.sources{font-size:14px}
.popup{position:fixed;inset:0;background:#0c1e16c7;z-index:80;display:none;align-items:center;justify-content:center;padding:18px}.popup.show{display:flex}.popup-inner{max-width:720px;background:#fff;border-radius:24px;padding:25px;display:grid;grid-template-columns:1fr 1fr;gap:22px;position:relative}.popup-close{position:absolute;right:12px;top:8px;border:0;background:transparent;font-size:28px;cursor:pointer}
@media(max-width:900px){.navlinks{display:none}.layout{grid-template-columns:1fr}.sidebar{position:static}.toc{columns:1}.hubgrid,.related,.factgrid{grid-template-columns:1fr}.mobile-bar{display:flex}body{padding-bottom:68px}.popup-inner{grid-template-columns:1fr}.header-cta{padding:8px 11px;font-size:12px}}