:root{--roi-ink:#061a16;--roi-green:#20e58f;--roi-mint:#eafff5;--roi-paper:#f6faf8;--roi-line:#d8e3df;--roi-muted:#63736f}*{box-sizing:border-box}.roi-hero{padding:78px 0 68px;color:#fff;background:radial-gradient(circle at 82% 18%,rgba(32,229,143,.15),transparent 26%),linear-gradient(145deg,#061a16,#08271f)}.roi-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}.roi-hero h1{font-size:clamp(3.1rem,6vw,6rem);line-height:1;letter-spacing:-.065em;margin:20px 0 22px}.roi-hero h1 span{color:var(--roi-green)}.roi-hero p{max-width:690px;color:#b7cbc5;font-size:1.12rem}.roi-hero-proof{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.roi-proof-card{min-height:155px;padding:22px;border:1px solid rgba(99,242,181,.18);border-radius:16px;background:rgba(255,255,255,.04)}.roi-proof-card strong{display:block;color:var(--roi-green);font-size:2rem;letter-spacing:-.05em}.roi-proof-card span{display:block;margin-top:8px;color:#c4d8d0;font-size:.82rem}.roi-disclosure{grid-column:1/-1;color:#8fa9a0;font-size:.7rem;margin:0}.calculator-section{padding:82px 0;background:#eef6f2}.calculator-head{display:flex;justify-content:space-between;gap:34px;align-items:end;margin-bottom:30px}.calculator-head h2{font-size:clamp(2.5rem,5vw,4.7rem);letter-spacing:-.055em;margin:10px 0 0}.calculator-head p{max-width:530px;color:var(--roi-muted);margin:0}.scenario-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:7px;background:#dfece6;border-radius:14px;margin-bottom:18px}.scenario-tab{border:0;border-radius:10px;background:transparent;color:#355248;padding:14px 18px;font:inherit;font-weight:800;cursor:pointer}.scenario-tab[aria-selected="true"]{background:#fff;color:#09231a;box-shadow:0 5px 18px rgba(6,26,22,.08)}.calculator-shell{display:grid;grid-template-columns:minmax(0,1.05fr) 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small{display:block;color:#829188;font-size:.68rem;margin-top:5px}.calculator-actions{display:flex;justify-content:space-between;align-items:center;gap:15px}.reset-roi{border:0;background:transparent;color:#27704f;text-decoration:underline;text-underline-offset:3px;font:inherit;font-size:.78rem;font-weight:800;cursor:pointer}.assumption-note{color:#7a8b82;font-size:.7rem;margin:0;max-width:420px}.roi-results{position:sticky;top:96px;align-self:start;background:#061a16;color:#fff;padding:30px;box-shadow:0 24px 65px rgba(6,26,22,.2)}.result-label{color:#8eaba1;font-size:.7rem;letter-spacing:.13em;font-weight:900}.result-big{font-size:clamp(3.2rem,6vw,5.5rem);font-weight:900;letter-spacing:-.07em;line-height:1;margin:9px 0 4px;color:var(--roi-green)}.result-sub{color:#b8ccc4;margin:0 0 26px}.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:25px}.result-stat{padding:15px;border:1px solid #25483b;border-radius:12px;background:#0b281f}.result-stat span{display:block;color:#91aaa1;font-size:.68rem;margin-bottom:5px}.result-stat strong{font-size:1.25rem}.roi-breakdown{border-top:1px solid #25483b;padding-top:22px}.bar-row{margin-bottom:17px}.bar-copy{display:flex;justify-content:space-between;gap:12px;font-size:.76rem;margin-bottom:7px}.bar-copy span{color:#abc0b8}.bar-track{height:7px;border-radius:99px;background:#17372c;overflow:hidden}.bar-fill{display:block;height:100%;width:0;background:var(--roi-green);border-radius:99px;transition:width .35s ease}.roi-results .btn{width:100%;margin-top:10px}.formula{padding:75px 0;background:#fff}.formula-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}.formula h2,.evidence h2{font-size:clamp(2.4rem,4.5vw,4.4rem);letter-spacing:-.055em;margin:12px 0 20px}.formula p{color:var(--roi-muted)}.formula-steps{display:grid;gap:10px}.formula-step{display:grid;grid-template-columns:48px 1fr;gap:17px;padding:20px;border:1px solid var(--roi-line);border-radius:13px;background:#f9fcfa}.formula-step b{width:42px;height:42px;display:grid;place-items:center;border-radius:50%;background:#061a16;color:var(--roi-green)}.formula-step strong{display:block;margin-bottom:5px}.formula-step span{color:var(--roi-muted);font-size:.86rem}.evidence{padding:78px 0;background:#061a16;color:#fff}.evidence-head{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px;margin-bottom:35px}.evidence-head p{color:#a8bdb5}.evidence-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.evidence-card{padding:26px;border:1px solid #24473a;border-radius:16px;background:#09251d}.evidence-card strong{display:block;color:var(--roi-green);font-size:2.4rem;letter-spacing:-.055em}.evidence-card h3{font-size:1.15rem;margin:10px 0}.evidence-card p{color:#a8bdb5;font-size:.85rem}.evidence-card a{color:#d9eee5;text-decoration:underline;text-underline-offset:3px;font-size:.73rem}.roi-final{padding:70px 0}.roi-final-box{display:grid;grid-template-columns:1.2fr .8fr;gap:45px;align-items:center;padding:52px;border-radius:22px;background:#20e58f;color:#03130f}.roi-final h2{font-size:clamp(2.4rem,4.7vw,4.7rem);letter-spacing:-.055em;margin:0}.roi-final p{margin:14px 0 0;max-width:600px}.roi-final-actions{display:flex;flex-direction:column;gap:10px}.roi-final .btn{background:#061a16;color:#fff}.roi-final .btn.secondary{background:rgba(255,255,255,.45);color:#061a16;border:1px solid rgba(6,26,22,.18)}@media(max-width:900px){.roi-hero-grid,.calculator-shell,.formula-grid,.evidence-head,.roi-final-box{grid-template-columns:1fr}.roi-results{position:static}.calculator-head{display:block}.calculator-head p{margin-top:15px}.evidence-grid{grid-template-columns:1fr}.roi-final-actions{flex-direction:row;flex-wrap:wrap}}@media(max-width:580px){.roi-hero{padding:58px 0}.roi-hero-proof,.scenario-tabs,.input-grid,.result-grid{grid-template-columns:1fr}.calculator-section,.formula,.evidence{padding:62px 0}.assumptions,.roi-results{padding:21px}.roi-proof-card{min-height:auto}.roi-final-box{padding:34px 24px}.roi-final-actions{display:grid}}