:root{--accent:#075337;--dark:#083f2b;--green:#17663f;--pale:#edf8f0;--pale2:#e6f5e9;--ink:#172a26;--muted:#62736b;--border:#dceae0;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:Inter,"Segoe UI",Arial,sans-serif;font-size:15px;line-height:1.5}button,input{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}.shell{width:min(1120px,calc(100% - 48px));margin:auto}.topbar{background:var(--dark);color:white;font-size:11px}.topbar-inner{display:flex;justify-content:space-between;gap:12px;padding:7px 0}.navbar{background:white;position:sticky;top:0;z-index:20;border-bottom:1px solid #eef2ef}.nav-inner{height:75px;display:flex;align-items:center;justify-content:space-between;gap:25px}.logo{display:inline-flex;align-items:center;gap:9px;color:var(--dark);flex-shrink:0}.logo-symbol{width:37px;height:44px;border-radius:6px;color:#fff;background:var(--dark);display:grid;place-items:center;font-size:31px;font-weight:900;letter-spacing:-5px;padding-right:6px}.logo strong{display:block;font-size:23px;line-height:1;font-weight:900;letter-spacing:-.7px}.logo small{display:block;font-size:8px;letter-spacing:2px;font-weight:800;margin-top:3px}.navbar nav{display:flex;align-items:center;gap:21px;font-size:12px;font-weight:700}.navbar nav a:hover{color:var(--green)}.menu-toggle{display:none;background:none;border:0;font-size:25px}.hero{display:grid;grid-template-columns:1fr 1.15fr;gap:55px;align-items:center;padding-top:72px;padding-bottom:72px}.eyebrow{color:var(--dark);font-size:10px;letter-spacing:1.5px;font-weight:900;margin-bottom:11px}.eyebrow.center{text-align:center}.eyebrow.light{color:#b8dfc4}.hero h1{font-size:clamp(42px,5.5vw,78px);line-height:.99;letter-spacing:-3.4px;color:var(--dark);margin:0 0 22px;font-weight:900}.hero h1 em{font-style:normal;color:#21774a}.hero p{max-width:470px;color:#60796b;font-size:15px}.hero-actions{display:flex;align-items:center;gap:11px;margin-top:26px;flex-wrap:wrap}.btn{border-radius:12px;padding:14px 19px;font-size:11px;font-weight:900;display:inline-flex;align-items:center;gap:12px;border:1px solid transparent}.btn-primary{color:#fff;background:var(--dark)}.btn-primary:hover{background:#136945}.btn-outline{background:#fff;color:var(--dark);border-color:#bad7c6}.btn-light{background:white;color:var(--dark)}.hero-photo{height:365px;border-radius:19px;position:relative;overflow:hidden;background:linear-gradient(120deg,rgba(7,63,38,.1),rgba(10,52,34,.24)),url('https://images.unsplash.com/photo-1600596542815-ffad4c1539a9?auto=format&fit=crop&w=1200&q=85') center/cover,linear-gradient(135deg,#a5cba0,#2e6540)}.photo-tag{position:absolute;bottom:18px;left:18px;background:#ffffffeb;padding:12px 16px;border-radius:8px;color:var(--dark);font-size:11px;font-weight:800;max-width:260px}.trust-strip{background:#e5f5e8}.four-grid{display:grid;grid-template-columns:repeat(4,1fr);padding:24px 0;gap:18px}.four-grid>div{text-align:center;display:flex;flex-direction:column;align-items:center}.four-grid strong{font-size:11px;color:var(--dark)}.four-grid small{font-size:10px;color:#778d7e}.mini-icon{display:grid;place-items:center;border:1px solid #c8e5d0;background:white;border-radius:50%;width:29px;height:29px;color:var(--green);font-size:16px;margin-bottom:7px}.pale-section{background:var(--pale)}.stats-section{padding:28px 0 37px}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.stat-card{min-height:123px;background:white;border:1px solid var(--border);box-shadow:0 7px 16px #113c2410;border-radius:16px;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center}.stat-card span{color:var(--green);font-size:22px}.stat-card strong{font-size:23px;color:var(--dark);line-height:1.2}.stat-card small{font-size:10px;color:var(--muted)}.disclaimer{font-size:10px;text-align:center;color:#83948a;margin:12px 0 0}.section{padding-top:67px;padding-bottom:67px}.section h2,.calc-grid h2,.dealer h2{font-size:clamp(27px,3vw,39px);line-height:1.08;letter-spacing:-1.1px;margin:0 0 17px;color:#142f27}.section-lead{color:#687c70;max-width:640px;font-size:13px;margin-top:0}.benefits-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.benefits-grid>div{min-height:89px;border-radius:14px;background:var(--pale);display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--green);font-size:23px;gap:7px;text-align:center}.benefits-grid strong{font-size:12px;color:#244137}.micro-note{font-size:10px;color:#74877c;margin-top:10px}.leaf-banner{min-height:235px;display:flex;align-items:center;background:linear-gradient(90deg,#064021ee,#0b512b77),url('https://images.unsplash.com/photo-1441974231531-c6227db76b6e?auto=format&fit=crop&w=1500&q=85') center/cover,#0b522e;color:#fff}.leaf-banner p{font-family:Georgia,serif;font-style:italic;font-size:30px;line-height:1.2;letter-spacing:.2px}.compare-table{display:grid;grid-template-columns:1fr 1fr;border-radius:14px;overflow:hidden;box-shadow:0 2px 15px #0b301215}.compare-heading{text-align:center;color:#fff;padding:15px;font-size:12px;font-weight:900}.compare-heading.old{background:#dd1d29}.compare-heading.new{background:var(--dark)}.compare-cell{padding:15px 19px;border:1px solid #ecf0ed;border-top:0;font-size:12px;background:#fff}.compare-cell:nth-of-type(4n+4),.compare-cell:nth-of-type(4n+5){background:#f2faf3}.compare-cell:nth-child(even){color:#145f3c}.process-layout{display:grid;grid-template-columns:1.25fr 1fr;gap:25px}.tank-card{min-height:270px;border-radius:16px;background:white;box-shadow:0 3px 14px #082c1913;display:flex;align-items:center;padding:22px}.tank-card svg{width:100%;height:auto}.process-steps{display:flex;flex-direction:column;gap:11px}.process-steps>div{background:white;border-radius:12px;padding:12px 15px;display:flex;gap:11px;align-items:center;color:var(--dark);font-weight:800;font-size:12px}.process-steps span{color:white;background:var(--green);border-radius:50%;width:25px;height:25px;display:grid;place-items:center;font-size:10px}.process-steps .btn{justify-content:center;margin-top:3px}.feature-tags{display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:25px;font-size:12px;color:var(--dark);font-weight:700}.capacity-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:11px}.capacity-card{border:1px solid #dfe8e1;background:#fff;border-radius:15px;min-height:174px;padding:14px 9px 10px;text-align:center;color:var(--dark);display:flex;flex-direction:column;align-items:center}.capacity-card.selected,.capacity-card:hover{border-color:var(--green);box-shadow:0 0 0 2px #c7e8ce}.capacity-card b{font-size:17px}.capacity-card small{font-size:10px;color:#75887c}.tank-pic{margin-top:auto;height:84px;width:100%;max-width:150px;border-radius:9px;background:linear-gradient(155deg,#acc795 0 43%,#4f7242 44% 64%,#d7dfca 65% 100%);position:relative;font-size:0;overflow:hidden}.tank-pic:before{content:'';position:absolute;top:27px;left:13%;width:74%;height:40px;border-radius:40% 40% 25% 25%;background:linear-gradient(#eaf1e9,#abbcb5);border:2px solid #75847d;box-shadow:0 8px 10px #0003}.tank-pic:after{content:'BIOMAN';position:absolute;top:45px;left:32%;font-size:8px;color:var(--dark);font-weight:900}.capacity-footer{background:var(--pale);border-radius:13px;margin-top:14px;padding:17px 20px;font-size:12px;color:var(--muted);display:flex;justify-content:space-between;gap:15px}.capacity-footer button{border:0;background:var(--dark);border-radius:30px;color:white;padding:8px 14px;font-weight:800;font-size:11px}.install-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.install-card{overflow:hidden;background:white;border:1px solid var(--border);border-radius:14px;box-shadow:0 5px 14px #0d37121a}.install-photo{height:190px;background-size:cover;background-position:center}.install-photo.concrete{background-image:linear-gradient(#133f1b20,#133f1b20),url('https://images.unsplash.com/photo-1504307651254-35680f356dfd?auto=format&fit=crop&w=800&q=85');background-color:#8a9d77}.install-photo.tank-install{background-image:linear-gradient(#133f1b20,#133f1b20),url('https://images.unsplash.com/photo-1504917595217-d4dc5ebe6122?auto=format&fit=crop&w=800&q=85');background-color:#a89a7b}.install-body{padding:18px 24px 25px}.install-body h3{margin:0;font-size:17px;color:var(--dark)}.install-body p{margin:2px 0 12px;font-size:12px;color:var(--muted)}.install-body span{display:block;font-size:12px;margin:5px 0;color:var(--green)}.delivery-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:35px;align-items:center}.timeline{list-style:none;counter-reset:step;padding:0;margin:10px 0}.timeline li{counter-increment:step;display:flex;align-items:center;gap:13px;margin:13px 0;font-size:13px;font-weight:700}.timeline li:before{content:counter(step);display:grid;place-items:center;width:29px;height:29px;border-radius:50%;background:#319451;color:white;font-size:11px;font-weight:900;flex-shrink:0}.delivery-photo{height:255px;border-radius:15px;background:linear-gradient(#0b532822,#0b532822),url('https://images.unsplash.com/photo-1504307651254-35680f356dfd?auto=format&fit=crop&w=1000&q=85') center/cover,#8b9a75}.soft-cta{background:#e6f5e9;border-radius:13px;color:var(--dark);font-size:12px;padding:16px 20px;margin:17px 0}.calculator-section{padding:67px 0}.calc-grid{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:70px}.calc-card{background:white;border-radius:16px;border:1px solid var(--border);padding:24px;box-shadow:0 5px 22px #12371b12}.calc-card h3{font-size:14px;color:var(--dark);margin:0 0 12px}.calc-card label{display:flex;align-items:center;justify-content:space-between;gap:15px;font-size:12px;margin:11px 0}.calc-card input{width:120px;border:1px solid #dce9dd;background:#f2f8f3;border-radius:8px;padding:9px;text-align:right;color:var(--dark)}.result{text-align:center;background:#e3f5e6;border-radius:12px;padding:18px;margin-top:15px}.result small{display:block;font-size:10px;letter-spacing:.7px;color:#699479}.result strong{font-size:32px;color:#16964a}.applications{display:grid;grid-template-columns:repeat(5,1fr);gap:11px}.applications span{text-align:center;border-radius:12px;background:var(--pale);padding:17px 8px;font-size:12px;font-weight:700;color:var(--dark)}.soft-cta a{display:inline-block;background:var(--dark);color:white;padding:9px 13px;border-radius:9px;margin-left:8px;font-size:11px;font-weight:900}.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.quotes blockquote{margin:0;background:white;border-radius:13px;border:1px solid var(--border);padding:25px;min-height:155px;font-size:12px;color:#63776c}.quotes cite{display:block;margin-top:20px;font-size:11px;color:var(--dark);font-weight:800;font-style:normal}.dealer{background:var(--dark);color:#fff;padding:52px 0}.dealer h2{color:white}.dealer p{font-size:13px;color:#c4ddcc}.dealer-inner{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}.dealer-benefits{display:grid;grid-template-columns:1fr 1fr;gap:17px;font-size:12px;color:#d5e9d8}.footer{background:#e7f5ea;padding:45px 0 14px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.4fr;gap:50px}.footer-brand p,.footer-grid p{max-width:260px;color:#698073;font-size:12px}.footer-grid b{display:block;font-size:11px;color:var(--dark);letter-spacing:1.5px;margin-bottom:13px}.footer-grid a:not(.logo){display:block;font-size:12px;color:#577064;margin-bottom:7px}.footer-grid a:hover{color:var(--dark)}.copyright{border-top:1px solid #cfe4d4;margin-top:30px;padding-top:12px;color:#729080;font-size:10px}.chat-fab{position:fixed;z-index:35;right:25px;bottom:23px;width:67px;height:67px;border:0;background:var(--dark);border-radius:50%;box-shadow:0 8px 25px #06331c55;display:grid;place-items:center}.chat-fab img{width:46px;height:46px;border-radius:50%;object-fit:cover;background:#fff}.chat-pulse{position:absolute;top:5px;right:5px;width:12px;height:12px;border-radius:50%;background:#55d77c;border:2px solid white}.hidden{display:none!important}.chat-panel{position:fixed;z-index:36;right:25px;bottom:22px;width:min(390px,calc(100vw - 26px));height:min(555px,calc(100dvh - 34px));background:white;border:1px solid #d3e5da;border-radius:18px;box-shadow:0 16px 55px #0725134d;display:flex;flex-direction:column;overflow:hidden}.chat-header{display:flex;align-items:center;gap:12px;color:white;background:var(--dark);padding:16px}.chat-header img{height:43px;width:43px;object-fit:cover;border-radius:50%;background:white}.chat-header strong{font-size:15px;display:block}.chat-header small{font-size:10px;color:#b5e8c7}.close{margin-left:auto;color:white;background:transparent;border:0;font-size:28px}.messages{flex:1;overflow-y:auto;padding:19px 14px;background:#f8fbf9;display:flex;flex-direction:column;gap:12px}.bubble{max-width:88%;padding:11px 14px;border-radius:13px;font-size:13px;line-height:1.5;white-space:pre-wrap;overflow-wrap:anywhere}.bubble.bot{background:#e5f4e9;align-self:flex-start;color:#1d432b;border-bottom-left-radius:3px}.bubble.user{background:var(--dark);align-self:flex-end;color:#fff;border-bottom-right-radius:3px}.chat-input{padding:10px;display:flex;gap:7px;border-top:1px solid #e2ece5}.chat-input input{flex:1;min-width:0;border:1px solid #d5e4d9;border-radius:10px;padding:12px;font-size:13px}.chat-input button{background:var(--dark);color:white;border:0;border-radius:10px;width:45px}.footnote{text-align:center;padding:0 8px 9px;font-size:10px;color:#8b9b91}#open-chat,#capacity-chat,#contact-chat{cursor:pointer}@media(max-width:840px){.menu-toggle{display:block}.navbar nav{display:none;position:absolute;top:75px;left:0;right:0;background:white;padding:20px 24px;flex-direction:column;align-items:flex-start;border-bottom:1px solid var(--border)}.navbar nav.show{display:flex}.hero{gap:25px}.hero-photo{height:310px}.hero h1{font-size:52px}.capacity-grid{grid-template-columns:repeat(3,1fr)}.applications{grid-template-columns:repeat(3,1fr)}}@media(max-width:600px){.shell{width:min(100% - 30px,1120px)}.topbar{font-size:9px}.topbar-inner a{display:none}.nav-inner{height:67px}.navbar nav{top:67px}.hero{grid-template-columns:1fr;gap:28px;padding-top:43px;padding-bottom:38px}.hero h1{font-size:53px}.hero-photo{height:280px}.four-grid{grid-template-columns:repeat(2,1fr)}.stats-grid,.benefits-grid,.quotes,.install-grid,.calc-grid,.dealer-inner,.footer-grid,.process-layout,.delivery-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,1fr)}.section{padding-top:43px;padding-bottom:43px}.benefits-grid{grid-template-columns:repeat(2,1fr)}.benefits-grid strong{font-size:10px}.leaf-banner{min-height:180px}.leaf-banner p{font-size:26px}.compare-cell{font-size:10px;padding:12px 9px}.compare-heading{font-size:9px;padding:12px}.capacity-grid{grid-template-columns:repeat(2,1fr)}.applications{grid-template-columns:repeat(2,1fr)}.dealer-benefits{grid-template-columns:1fr 1fr}.calc-grid{gap:20px}.chat-fab{right:15px;bottom:15px}.chat-panel{right:13px;bottom:13px}.footer-grid{gap:22px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* Admin dashboard styles, deliberately separate from the marketing-page layout. */
.admin-body{background:#f2f7f3;min-height:100vh}.admin-body .nav{background:var(--dark);color:#fff;padding:19px max(24px,calc((100% - 1120px)/2));display:flex;align-items:center;justify-content:space-between}.admin-body .brand{font-size:18px;font-weight:900}.admin-body .nav-link{font-size:12px;text-decoration:underline}.admin-main{max-width:1120px;padding:35px 24px 70px;margin:auto}.admin-main h1{color:var(--dark);font-size:30px}.admin-main h2{font-size:19px;margin:0 0 14px;color:var(--dark)}.admin-main p{font-size:13px;color:#667d6e}.admin-card{background:white;border:1px solid #dceade;border-radius:15px;padding:25px;box-shadow:0 7px 25px #113d2110;margin-bottom:22px}.admin-main #login-area{max-width:430px;margin:45px auto}.admin-main form{display:flex;flex-direction:column;gap:14px}.admin-main label{font-size:12px;color:var(--dark);font-weight:700;display:flex;flex-direction:column;gap:6px}.admin-main input:not([type=color]),.admin-main textarea{padding:12px;border:1px solid #ccdcd0;border-radius:8px;width:100%;min-width:0;font-size:13px}.admin-main textarea{resize:vertical}.admin-main button.primary{background:var(--dark);color:#fff;border:0;padding:12px 16px;border-radius:9px;font-size:12px;font-weight:800;align-self:flex-start}.admin-main button.secondary{background:white;border:1px solid #b8cabc;border-radius:9px;padding:10px 15px;color:var(--dark);font-weight:800}.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.admin-heading{display:flex;align-items:center;justify-content:space-between;gap:16px}.status{color:#256b3f!important}.error{color:#b32b2b!important}.knowledge-item{padding:13px 0;border-top:1px solid #ebf1ec;font-size:12px}.knowledge-item strong{display:block;color:var(--dark)}.knowledge-item p{white-space:pre-wrap;overflow-wrap:anywhere}.knowledge-item button{font-size:11px;color:#b32b2b;border:1px solid #eacaca;background:#fff;border-radius:6px;padding:5px 10px}@media(max-width:650px){.admin-grid{grid-template-columns:1fr}.admin-heading{align-items:flex-start;flex-direction:column}}