:root{
  --bg:#071a14;--bg2:#0b2a1f;--ink:#e8f5ec;--mute:#9fc3ae;--green:#7be495;--blue:#4fb3d9;--amber:#f2b84b;--card:#10372a;--line:#1f4d3b;
  --r:16px;--font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:70px}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 var(--font);-webkit-font-smoothing:antialiased}
.wrap{max-width:1080px;margin:0 auto;padding:72px 24px}
h1,h2,h3{line-height:1.15;margin:0 0 .4em;letter-spacing:-.01em}
h1{font-size:clamp(2.4rem,6vw,4.4rem)}
h2{font-size:clamp(1.7rem,3.5vw,2.5rem)}
h3{font-size:1.15rem}
em{font-style:normal;background:linear-gradient(90deg,var(--green),var(--amber));-webkit-background-clip:text;background-clip:text;color:transparent}
.sub{color:var(--mute);max-width:720px;margin:0 0 2rem}
.fine{color:var(--mute);font-size:.85rem}
a{color:var(--green)}

.nav{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:12px 24px;background:rgba(7,26,20,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--ink);text-decoration:none}
.nav nav{display:flex;gap:18px;flex-wrap:wrap}
.nav nav a{color:var(--mute);text-decoration:none;font-size:.95rem}
.nav nav a:hover{color:var(--green)}

.hero{position:relative;overflow:hidden;background:radial-gradient(1200px 600px at 80% -10%,#124a34 0,transparent 60%),linear-gradient(180deg,var(--bg2),var(--bg))}
.hero canvas{position:absolute;inset:0;width:100%;height:100%}
.hero-inner{position:relative;padding-top:110px;padding-bottom:90px}
.eyebrow{color:var(--green);text-transform:uppercase;letter-spacing:.14em;font-size:.8rem;font-weight:600;margin:0 0 1rem}
.lead{font-size:1.2rem;color:#cfe5d7;max-width:680px}
.cta{display:flex;gap:14px;flex-wrap:wrap;margin:2rem 0}
.btn{display:inline-block;padding:13px 24px;border-radius:999px;border:1px solid var(--green);color:var(--green);text-decoration:none;font-weight:600;transition:.2s}
.btn:hover{background:rgba(123,228,149,.12)}
.btn.primary{background:var(--green);color:#052013}
.btn.primary:hover{background:#9af0ae}
.stats{list-style:none;padding:0;margin:3rem 0 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px}
.stats li{padding:16px 18px;border:1px solid var(--line);border-radius:var(--r);background:rgba(16,55,42,.6)}
.stats strong{display:block;font-size:1.6rem;color:var(--amber)}
.stats span{color:var(--mute);font-size:.9rem}

.band{background:var(--bg2);border-block:1px solid var(--line)}
.band.dark{background:#041109}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.cards.three{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px;transition:transform .2s,border-color .2s}
.card:hover{transform:translateY(-4px);border-color:var(--green)}
.card p{margin:0;color:#c3dccb;font-size:.98rem}
.ico{font-size:1.8rem;margin-bottom:8px}

.stages{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px}
.stages button{font:inherit;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:999px;padding:10px 20px;cursor:pointer;transition:.2s}
.stages button b{display:inline-grid;place-items:center;width:24px;height:24px;margin-right:6px;border-radius:50%;background:var(--line);font-size:.8rem}
.stages button[aria-selected=true]{background:var(--green);color:#052013;border-color:var(--green)}
.stages button[aria-selected=true] b{background:#052013;color:var(--green)}
.flow{display:flex;align-items:stretch;gap:6px;overflow-x:auto;padding-bottom:10px;margin-bottom:22px}
.node{flex:1 0 150px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px;text-align:center;font-weight:600;transition:.3s;opacity:.55}
.node small{display:block;font-weight:400;color:var(--mute);font-size:.78rem}
.node.on{opacity:1;border-color:var(--amber);box-shadow:0 0 0 2px rgba(242,184,75,.25)}
.node.end.on{border-color:var(--green);box-shadow:0 0 0 2px rgba(123,228,149,.3)}
.arrow{align-self:center;color:var(--amber);font-size:1.4rem}
.panel{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--amber);border-radius:var(--r);padding:26px}
.panel p{margin:0 0 1rem}
.panel dl{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin:0}
.panel dt{color:var(--amber);font-size:.78rem;text-transform:uppercase;letter-spacing:.1em}
.panel dd{margin:2px 0 0;color:#c3dccb;font-size:.95rem}

.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r)}
table{width:100%;border-collapse:collapse;min-width:640px}
th,td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--card);color:var(--green);font-size:.85rem;text-transform:uppercase;letter-spacing:.06em}
th small{text-transform:none;letter-spacing:0;color:var(--mute)}
tbody tr:hover{background:rgba(123,228,149,.06)}
tbody tr:last-child td{border-bottom:0}
.io{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px;margin-top:24px}
.iobox{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px}
.iobox p{color:#c3dccb;margin:.8rem 0 0;font-size:.96rem}
.bar{display:flex;height:38px;border-radius:10px;overflow:hidden}
.bar span{display:grid;place-items:center;color:#052013;font-weight:700;font-size:.8rem;white-space:nowrap;overflow:hidden}

.plantwrap{position:relative}
.plant{width:100%;height:auto;background:#06180f;border:1px solid var(--line);border-radius:var(--r)}
.plant text{font-family:var(--font)}
.pt{position:absolute;transform:translate(-50%,-50%);width:34px;height:34px;border-radius:50%;border:2px solid #052013;background:var(--amber);color:#052013;font:700 .95rem var(--font);cursor:pointer;box-shadow:0 0 0 0 rgba(242,184,75,.6);animation:pulse 2s infinite}
.pt:hover,.pt.on,.pt:focus-visible{background:var(--green);outline:none}
.callout{margin-top:18px;background:var(--card);border:1px solid var(--line);border-left:4px solid var(--green);border-radius:var(--r);padding:20px 24px;min-height:84px}
.callout h3{color:var(--green);margin-bottom:.2em}
.callout p{margin:0;color:#c3dccb}
.rise circle{fill:rgba(232,245,236,.7);animation:rise 4s linear infinite}
.rise circle:nth-child(2){animation-delay:1s}.rise circle:nth-child(3){animation-delay:2s}.rise circle:nth-child(4){animation-delay:3s}
.mixer{transform-box:fill-box;transform-origin:center;animation:spin 3s linear infinite}
.beam{animation:dash 1.2s linear infinite}
@keyframes rise{0%{transform:translateY(0);opacity:0}15%{opacity:1}100%{transform:translateY(-150px);opacity:0}}
@keyframes spin{0%{transform:scaleX(1)}50%{transform:scaleX(-1)}100%{transform:scaleX(1)}}
@keyframes dash{to{stroke-dashoffset:-18}}
@keyframes pulse{70%{box-shadow:0 0 0 12px rgba(242,184,75,0)}100%{box-shadow:0 0 0 0 rgba(242,184,75,0)}}

.calc{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px}
.calc label{display:flex;flex-direction:column;gap:8px;font-size:.95rem;color:var(--mute)}
.calc output{color:var(--amber);font-weight:700}
select,input[type=range]{width:100%}
select{padding:10px;border-radius:10px;border:1px solid var(--line);background:var(--bg);color:var(--ink);font:inherit}
input[type=range]{accent-color:var(--green)}
.results{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin:20px 0 8px}
.results div{padding:22px;border-radius:var(--r);background:linear-gradient(135deg,#124a34,#0b2a1f);border:1px solid var(--green);text-align:center}
.results strong{display:block;font-size:2.2rem;color:var(--green)}
.results span{color:var(--mute);font-size:.9rem}

.split{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:28px;color:#c3dccb}
.split p{margin:0}

details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin-bottom:10px}
summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::after{content:"+";color:var(--green);font-size:1.3rem;line-height:1}
details[open] summary::after{content:"–"}
details p{margin:.8rem 0 0;color:#c3dccb}

.gl{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin:0}
.gl dt{font-weight:700;color:var(--green)}
.gl dd{margin:2px 0 0;color:#c3dccb;font-size:.95rem}

footer{border-top:1px solid var(--line);background:#041109;text-align:center}
footer .wrap{padding:44px 24px}
footer p{margin:.3rem 0}

@media (max-width:700px){.nav nav a:nth-child(n+4){display:none}.wrap{padding:52px 20px}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}