:root{--ink:#17221f;--muted:#60706a;--paper:#f7faf7;--card:#fff;--line:#dbe5df;--moss:#2f6f55;--moss2:#214f3d;--mint:#e8f4ed;--amber:#b46a1f;--red:#a64238;--shadow:0 14px 34px rgba(31,65,52,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.62 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}a{color:var(--moss2);text-decoration-thickness:1px;text-underline-offset:3px}img{max-width:100%}.wrap{width:min(1120px,calc(100% - 32px));margin:auto}.top{background:#15372b;color:#fff;font-size:.9rem;padding:8px 0}.top a{color:#fff}.nav{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(10px)}.navin{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px}.brand{font-weight:850;font-size:1.22rem;text-decoration:none;letter-spacing:-.025em;color:var(--ink)}.brand span{color:var(--moss)}nav{display:flex;gap:20px;align-items:center}nav a{text-decoration:none;font-weight:650;color:#31443d}.menu{display:none;background:none;border:1px solid var(--line);border-radius:9px;padding:8px 10px;font-size:1.1rem}.hero{padding:78px 0 50px;background:radial-gradient(circle at 80% 10%,#dff1e7 0,rgba(223,241,231,0) 33%),linear-gradient(180deg,#fbfdfb,#f1f7f3)}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:center}.eyebrow{display:inline-block;color:var(--moss2);background:var(--mint);border:1px solid #cfe5d7;border-radius:999px;padding:5px 11px;font-size:.82rem;font-weight:800;text-transform:uppercase;letter-spacing:.06em}.hero h1{font-size:clamp(2.5rem,5vw,4.65rem);line-height:.98;letter-spacing:-.055em;margin:18px 0 20px}.lede{font-size:1.2rem;color:#4d625b;max-width:720px}.hero-card,.card{background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.hero-card{padding:26px}.meter{display:grid;grid-template-columns:repeat(4,1fr);height:13px;overflow:hidden;border-radius:999px;margin:18px 0 9px}.meter i:nth-child(1){background:#67a979}.meter i:nth-child(2){background:#d0af44}.meter i:nth-child(3){background:#d78338}.meter i:nth-child(4){background:#b3473d}.small{font-size:.9rem;color:var(--muted)}.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-block;border-radius:10px;padding:12px 17px;text-decoration:none;font-weight:800;border:1px solid var(--moss)}.btn.primary{background:var(--moss);color:#fff}.btn.secondary{background:#fff;color:var(--moss2)}section{padding:58px 0}.section-head{max-width:760px;margin-bottom:26px}.section-head h2{font-size:clamp(1.85rem,3vw,2.65rem);letter-spacing:-.035em;line-height:1.1;margin:0 0 12px}.section-head p{color:var(--muted);font-size:1.06rem}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.card{padding:24px}.card h3{margin:4px 0 9px;letter-spacing:-.02em}.card p{color:#566861}.icon{font-size:1.7rem}.notice{border-left:5px solid var(--amber);background:#fff7ec;padding:18px 20px;border-radius:10px}.good{border-left-color:var(--moss);background:#edf7f0}.warn{border-left-color:var(--red);background:#fff0ee}.toolbox{background:#17372c;color:#fff}.toolbox .section-head p{color:#cfe0d7}.tool{background:#fff;color:var(--ink);border-radius:18px;padding:24px}.field{display:grid;gap:7px;margin:12px 0}.field label{font-weight:750}.field input,.field select{width:100%;padding:12px;border:1px solid #cbd8d1;border-radius:9px;font:inherit;background:#fff}.result{margin-top:15px;padding:16px;border-radius:12px;background:var(--mint);display:none}.kicker{font-weight:800;color:var(--moss2)}.article{max-width:820px}.article h1{font-size:clamp(2.25rem,5vw,4rem);line-height:1.04;letter-spacing:-.045em}.article h2{margin-top:38px;letter-spacing:-.025em}.article p,.article li{color:#44564f}.breadcrumbs{font-size:.9rem;color:var(--muted);margin:28px 0}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{background:var(--mint);border:1px solid #cfe4d6;border-radius:999px;padding:6px 10px;font-size:.88rem;text-decoration:none}.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 17px;margin:10px 0}.faq summary{cursor:pointer;font-weight:800}.source-list li{margin:9px 0}.footer{background:#10271f;color:#c8d6d0;padding:42px 0;margin-top:40px}.footer a{color:#fff}.footgrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.badge{font-size:.78rem;background:#f2f6f3;color:#52635d;border-radius:999px;padding:4px 8px;display:inline-block}.callout-stat{font-weight:900;font-size:2.4rem;letter-spacing:-.04em}.table-wrap{overflow-x:auto}.simple-table{width:100%;border-collapse:collapse;background:#fff}.simple-table th,.simple-table td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}.simple-table th{background:#edf4ef}.muted{color:var(--muted)}
.mold-gallery-section{background:linear-gradient(180deg,#f4f8f5,#eaf3ed)}.mold-gallery-section .section-head{max-width:850px}.mold-gallery-section .section-head .eyebrow{margin-bottom:14px}.photo-caution{max-width:900px;margin:-4px 0 28px;padding:17px 20px;border:1px solid #d8c89a;border-left:5px solid var(--amber);border-radius:12px;background:#fffaf0;color:#4b3b20}.mold-photo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.mold-photo-card{margin:0;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.mold-photo-card img{display:block;width:100%;height:270px;object-fit:cover;background:#dfe8e2}.mold-photo-card figcaption{display:grid;gap:7px;padding:20px 22px 23px}.mold-photo-card figcaption strong{font-size:1.08rem;letter-spacing:-.015em}.mold-photo-card figcaption span{color:#566861}.gallery-footer{display:grid;grid-template-columns:minmax(0,1fr) minmax(230px,.38fr);gap:34px;align-items:end;margin-top:28px;padding:28px;border-radius:18px;background:#fff;border:1px solid var(--line)}.gallery-footer h3{font-size:1.5rem;margin:0 0 7px}.gallery-footer p{color:#566861}.epa-credit{margin:0;padding:16px;border-radius:12px;background:var(--mint);font-size:.92rem}.epa-credit a{font-weight:750}
.toolbox .notice{color:var(--ink)}
@media(max-width:820px){.hero-grid,.grid3,.grid2,.footgrid,.gallery-footer{grid-template-columns:1fr}.hero{padding-top:48px}nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;padding:18px 24px;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start}nav.open{display:flex}.menu{display:block}.navin{position:relative}}@media(max-width:600px){.mold-photo-grid{grid-template-columns:1fr}.mold-photo-card img{height:auto;aspect-ratio:4/3}.mold-photo-card:last-child img{aspect-ratio:3/4;max-height:520px;object-fit:cover}}@media(max-width:420px){.wrap{width:min(100% - 22px,1120px)}.hero h1{font-size:2.55rem}.card,.hero-card,.tool{padding:19px}.mold-photo-card figcaption,.gallery-footer{padding:18px}}