:root{--bg: #f6f3ec;--bg-alt: #efe9dd;--surface: #ffffff;--green-900: #1f3122;--green-700: #2f4a32;--green-600: #3d5a3d;--green-100: #e4ece1;--green-50: #eef3ea;--wood: #a9794f;--wood-dark: #8a5e3a;--text: #2b2c25;--muted: #6a6b5e;--border: #e3ddcf;--radius: 14px;--radius-sm: 9px;--shadow: 0 1px 2px rgba(31, 49, 34, .04), 0 8px 24px rgba(31, 49, 34, .06);--container: 880px}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Lora,Georgia,Times New Roman,serif;font-size:1.125rem;line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}h1,h2,h3,h4{color:var(--green-900);line-height:1.25;font-weight:600;letter-spacing:-.01em}h1{font-size:clamp(2rem,5vw,2.85rem);margin:0 0 .6em;font-weight:700}h2{font-size:clamp(1.5rem,3vw,1.85rem);margin:0 0 .6em}h3{font-size:1.3rem;margin:1.6em 0 .4em}p{margin:0 0 1.1em}a{color:var(--green-700);text-decoration:underline;text-underline-offset:3px;text-decoration-color:#2f4a3247}a:hover{text-decoration-color:var(--green-700)}img{max-width:100%;height:auto;display:block}strong{color:var(--green-900);font-weight:600}.container{max-width:var(--container);margin:0 auto;padding:0 24px}section,.section{scroll-margin-top:84px}.site-header{position:sticky;top:0;z-index:50;background:#f6f3ece6;backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-weight:600}.brand-mark{flex:none}.brand-name{font-size:1.15rem;color:var(--green-900)}.site-nav{display:flex;gap:4px;flex-wrap:wrap;justify-content:flex-end}.site-nav a{text-decoration:none;color:var(--green-700);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:.92rem;padding:8px 12px;border-radius:8px;line-height:1.3}.site-nav a:hover,.site-nav a.is-active{background:var(--green-100);color:var(--green-900)}.hero{padding:64px 0 56px;background:linear-gradient(180deg,var(--green-50) 0%,var(--bg) 100%);border-bottom:1px solid var(--border)}.hero-eyebrow{display:inline-block;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:.82rem;letter-spacing:.04em;text-transform:uppercase;color:var(--wood-dark);background:#a9794f1a;padding:5px 12px;border-radius:999px;margin-bottom:20px}.hero-lead{font-size:1.2rem;color:var(--muted);max-width:46rem}.hero-img{margin-top:36px;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border);width:100%}.hero-caption{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:.85rem;color:var(--muted);margin-top:10px}.page-hero{padding:52px 0 40px;background:var(--green-50);border-bottom:1px solid var(--border)}.page-hero h1{margin-bottom:.4em}.page-hero .lead{font-size:1.2rem;color:var(--muted);max-width:46rem;margin:0}.breadcrumb{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:.85rem;color:var(--muted);margin-bottom:18px}.breadcrumb a{color:var(--muted)}.section{padding:56px 0}.section--alt{background:var(--bg-alt);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.section-head{max-width:46rem;margin-bottom:36px}.section-head p{color:var(--muted);font-size:1.1rem;margin:0}.btn{display:inline-block;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:.95rem;font-weight:600;padding:12px 22px;border-radius:10px;text-decoration:none;border:1px solid transparent;cursor:pointer;line-height:1.3;transition:background .15s,border-color .15s}.btn--primary{background:var(--green-700);color:#f6f3ec}.btn--primary:hover{background:var(--green-900)}.btn--ghost{background:transparent;color:var(--green-700);border-color:var(--green-600)}.btn--ghost:hover{background:var(--green-100)}.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;text-decoration:none;color:var(--text);transition:border-color .15s,transform .15s,box-shadow .15s}.card:hover{border-color:var(--green-600);transform:translateY(-2px);box-shadow:var(--shadow)}.card-tag{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:.74rem;text-transform:uppercase;letter-spacing:.04em;color:var(--wood-dark);margin-bottom:10px}.card h3{margin:0 0 8px;font-size:1.15rem}.card p{color:var(--muted);font-size:.98rem;margin:0 0 16px;line-height:1.6;flex:1}.card-link{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:.9rem;font-weight:600;color:var(--green-700)}.tanks{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.tank{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px}.tank-volume{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:.82rem;font-weight:700;color:var(--green-700);background:var(--green-100);display:inline-block;padding:4px 11px;border-radius:999px;margin-bottom:12px}.tank h3{margin-top:0}.tank p{font-size:.98rem;color:var(--muted);margin:0}.article{padding:52px 0 64px}.prose,.article-body{line-height:1.8}.prose h2{margin-top:1.9em}.prose h3{margin-top:1.7em}.prose ul,.prose ol{padding-left:1.3em;margin:0 0 1.2em}.prose li{margin-bottom:.5em}.prose blockquote{margin:1.6em 0;padding:8px 22px;border-left:4px solid var(--wood);color:var(--muted);font-style:italic}.prose img,.article-body img{border-radius:var(--radius);border:1px solid var(--border);margin:1.4em 0}.prose figure{margin:1.8em 0}.prose figcaption{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:.85rem;color:var(--muted);margin-top:8px}.prose table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:.98rem}.prose th,.prose td{border:1px solid var(--border);padding:10px 14px;text-align:left;vertical-align:top}.prose th{background:var(--green-50);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-weight:600;color:var(--green-900)}.steps{counter-reset:step;margin:36px 0;padding:0;list-style:none}.steps>li{position:relative;padding:0 0 0 64px;margin-bottom:32px}.steps>li:before{counter-increment:step;content:counter(step);position:absolute;left:0;top:0;width:42px;height:42px;border-radius:50%;background:var(--green-700);color:#f6f3ec;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-weight:700;font-size:1.05rem;display:flex;align-items:center;justify-content:center}.steps h3{margin-top:0}.note{background:var(--green-50);border:1px solid var(--green-100);border-left:4px solid var(--green-600);border-radius:var(--radius-sm);padding:16px 20px;margin:1.6em 0}.note p:last-child{margin-bottom:0}.note strong{display:block;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:.82rem;text-transform:uppercase;letter-spacing:.04em;color:var(--green-700);margin-bottom:4px}.table-wrap{overflow-x:auto;margin:1.6em 0;max-width:100%}.related{margin-top:56px;padding:28px;background:var(--green-50);border:1px solid var(--green-100);border-radius:var(--radius)}.related h2{font-size:1.3rem;margin-top:0}.related ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}.article-meta{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:.88rem;color:var(--muted);margin:0 0 8px}.contact{padding:56px 0}.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:start}.contact-intro p{color:var(--muted)}.form{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}.form-row{margin-bottom:18px}.form-row.two{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form label{display:block;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:.88rem;font-weight:600;color:var(--green-900);margin-bottom:6px}.form input,.form textarea{width:100%;font-family:inherit;font-size:1rem;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:9px;padding:11px 13px;line-height:1.5}.form input:focus,.form textarea:focus{outline:2px solid var(--green-600);outline-offset:1px;border-color:var(--green-600);background:#fff}.form textarea{min-height:120px;resize:vertical}.form .honeypot{position:absolute;left:-9999px}.form .btn{width:100%;margin-top:4px}.form-note{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:.82rem;color:var(--muted);margin:12px 0 0}.site-footer{background:var(--green-900);color:#d8e0d2;margin-top:0;padding-top:48px}.footer-inner{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;padding-bottom:28px}.footer-name{font-weight:600;font-size:1.1rem;color:#f6f3ec}.footer-about{color:#b6c4ad;font-size:.95rem;margin:6px 0 0;max-width:26rem}.footer-nav{display:flex;flex-direction:column;gap:8px}.footer-nav a{color:#d8e0d2;text-decoration:none;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:.92rem}.footer-nav a:hover{color:#f6f3ec;text-decoration:underline}.footer-copy{border-top:1px solid rgba(255,255,255,.12);padding:18px 24px}.footer-copy p{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:.85rem;color:#9fb298}@media(max-width:860px){.cards{grid-template-columns:repeat(2,1fr)}.tanks{grid-template-columns:1fr}.contact-grid{grid-template-columns:1fr;gap:28px}}@media(max-width:620px){body{font-size:1.06rem}.header-inner{flex-wrap:wrap;gap:8px;min-height:0;padding-top:10px;padding-bottom:10px}.brand-name{font-size:1.05rem}.site-nav{width:100%;justify-content:flex-start;gap:2px}.site-nav a{padding:6px 9px;font-size:.85rem}.hero,.page-hero{padding-top:40px}.section{padding:40px 0}.cards,.form-row.two{grid-template-columns:1fr}.steps>li{padding-left:56px}}