:root{--bg:#fbfcfa;--surface:#fff;--soft:#f0f5f1;--ink:#14221b;--muted:#5b6b62;--line:#d8e1da;--brand:#1f6b50;--brand-2:#dff1e7;--dark:#12251d;--accent:#e9f5ed;--shadow:0 12px 35px rgba(20,34,27,.07);--radius:20px;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg);line-height:1.65}img{max-width:100%;display:block}a{color:var(--brand);text-decoration-thickness:1px;text-underline-offset:3px}.wrap{width:min(calc(100% - 36px),var(--max));margin-inline:auto}.narrow{width:min(calc(100% - 36px),860px)}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:16px;top:16px;background:#fff;padding:10px 14px;z-index:100}.site-header{position:sticky;top:0;background:rgba(251,252,250,.93);backdrop-filter:blur(14px);border-bottom:1px solid rgba(216,225,218,.75);z-index:50}.nav-wrap{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);text-decoration:none}.brand-mark{width:30px;height:30px;border:7px solid var(--brand);border-radius:50%;display:inline-grid;place-items:center;color:transparent}.main-nav{display:flex;gap:24px;align-items:center}.main-nav a{color:var(--ink);text-decoration:none;font-weight:650;font-size:.95rem}.main-nav .nav-cta{padding:9px 14px;background:var(--brand);color:#fff;border-radius:999px}.nav-toggle{display:none}.hero{padding:78px 0 62px;background:linear-gradient(145deg,#f9fcfa,#edf5ef)}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center}.eyebrow{font-size:.79rem;text-transform:uppercase;letter-spacing:.13em;font-weight:850;color:var(--brand);margin:0 0 12px}.hero h1{font-size:clamp(2.5rem,6vw,4.8rem);line-height:1.02;letter-spacing:-.055em;margin:0 0 22px;max-width:850px}.hero-lead{font-size:1.24rem;line-height:1.5}.hero-copy p{max-width:760px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0 18px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:12px;text-decoration:none;font-weight:800}.btn-primary{background:var(--brand);color:#fff}.btn-secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}.microcopy,.source-note{font-size:.85rem;color:var(--muted)}.hero-media{margin:0;background:#fff;padding:12px;border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow)}.hero-media img{border-radius:18px;aspect-ratio:4/3;object-fit:cover}.hero-media figcaption{font-size:.82rem;color:var(--muted);padding:10px 6px 2px}.section{padding:82px 0}.section-soft{background:var(--soft)}.section-heading{max-width:760px;margin:0 auto 36px;text-align:center}.section-heading.left{text-align:left;margin-left:0}.section-heading h2,.safety-section h2,.commerce-section h2{font-size:clamp(2rem,4vw,3.2rem);line-height:1.08;letter-spacing:-.04em;margin:0 0 14px}.section-heading p{font-size:1.08rem;color:var(--muted)}.card-grid,.solution-grid,.knowledge-grid,.tool-grid,.quote-grid{display:grid;gap:18px}.card-grid-3{grid-template-columns:repeat(3,1fr)}.topic-card{display:block;padding:26px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;color:var(--ink);transition:.2s ease;box-shadow:0 6px 18px rgba(20,34,27,.025)}.topic-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#b9ccbf}.topic-card .icon{font-size:1.5rem}.topic-card h3{margin:14px 0 8px;font-size:1.22rem}.topic-card p{color:var(--muted)}.linkish{font-weight:800;color:var(--brand)}.highlight-card{background:var(--dark);color:#fff;border-color:var(--dark)}.highlight-card p{color:#c7d7cf}.highlight-card .linkish{color:#fff}.diagnosis-list{display:grid;gap:0;border-top:1px solid var(--line)}.diagnosis-list article{padding:26px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:180px 1fr;gap:6px 30px}.diagnosis-list h3{margin:0;font-size:1.24rem}.diagnosis-list p{margin:0;color:var(--muted)}.diagnosis-list a{grid-column:2;text-decoration:none;font-weight:750}.technical-note{margin-top:28px;padding:18px 20px;background:var(--accent);border-left:4px solid var(--brand);border-radius:10px}.section-dark{background:var(--dark);color:#fff}.invert p,.section-dark .source-note{color:#c6d5ce}.section-dark .eyebrow{color:#93d3b5}.humidity-scale{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin:28px 0 14px}.humidity-scale button{appearance:none;border:1px solid #3c5a4c;background:#183127;color:#fff;padding:15px 8px;border-radius:10px;font:inherit;font-weight:800;cursor:pointer}.humidity-scale button:hover,.humidity-scale button.active{background:#fff;color:var(--dark)}.rh-result{padding:20px;border:1px solid #355346;background:#163026;border-radius:14px;min-height:84px}.solution-grid{grid-template-columns:repeat(3,1fr)}.solution-grid article{padding:25px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.solution-grid h3{font-size:1.35rem;margin:12px 0 8px}.solution-grid p{color:var(--muted)}.pill{display:inline-block;padding:5px 9px;border-radius:999px;background:var(--brand-2);color:var(--brand);font-size:.76rem;font-weight:850}.quote-grid{grid-template-columns:repeat(2,1fr)}.quote-grid a{padding:20px 22px;border-radius:14px;background:#fff;border:1px solid var(--line);text-decoration:none;color:var(--ink);font-size:1.07rem;font-weight:730}.knowledge-grid{grid-template-columns:repeat(4,1fr)}.knowledge-grid article{border-top:3px solid var(--brand);padding:18px 0}.knowledge-grid h3{margin:0 0 8px}.knowledge-grid p{color:var(--muted);margin:0}.commerce-section{text-align:center;background:linear-gradient(180deg,#fff,#f5faf6)}.commerce-section p{color:var(--muted)}.product-placeholder-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:28px 0}.product-placeholder-grid div{padding:20px;background:#fff;border:1px solid var(--line);border-radius:14px}.product-placeholder-grid strong,.product-placeholder-grid span{display:block}.product-placeholder-grid span{color:var(--muted);font-size:.9rem;margin-top:4px}.tool-grid{grid-template-columns:repeat(4,1fr)}.tool-grid article{background:#fff;padding:24px;border-radius:18px;border:1px solid var(--line)}.tool-grid article>span{font-weight:900;color:var(--brand);font-size:.8rem}.tool-grid h3{margin:10px 0 8px}.tool-grid p{color:var(--muted)}.tool-grid button{border:0;background:#edf2ee;color:#748079;padding:8px 11px;border-radius:8px}.safety-section{background:#fff8ec}.safety-section p{font-size:1.03rem}.references{padding-top:36px}.references details{border-top:1px solid var(--line);padding-top:24px}.references summary{cursor:pointer;font-weight:800}.references li,.references p{color:var(--muted)}.site-footer{border-top:1px solid var(--line);padding:30px 0;background:#fff}.footer-wrap p{margin:0;color:var(--muted);font-size:.9rem}.footer-wrap a{font-weight:750}.hidden-anchor{position:relative;top:-90px}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}.hero-media{max-width:660px}.card-grid-3,.solution-grid{grid-template-columns:repeat(2,1fr)}.knowledge-grid,.tool-grid{grid-template-columns:repeat(2,1fr)}.main-nav{position:absolute;top:74px;left:0;right:0;background:var(--bg);padding:20px 18px;border-bottom:1px solid var(--line);display:none;flex-direction:column;align-items:flex-start}.main-nav.open{display:flex}.nav-toggle{display:inline-block;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 12px;font:inherit}}
@media(max-width:620px){.hero{padding:52px 0}.section{padding:62px 0}.card-grid-3,.solution-grid,.quote-grid,.knowledge-grid,.tool-grid,.product-placeholder-grid{grid-template-columns:1fr}.humidity-scale{grid-template-columns:repeat(3,1fr)}.diagnosis-list article{grid-template-columns:1fr}.diagnosis-list a{grid-column:1}.hero h1{font-size:2.65rem}}