/* Ritheum: power, stripped back. Editorial engineering identity. */
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body{background:#fff;color:#141b19}h1,h2,h3{letter-spacing:-.045em}h2{font-size:clamp(2.6rem,5.4vw,5.4rem);line-height:1;max-width:18ch}section{padding:112px 0}.wrap{width:min(1360px,100% - 6rem)}header{border-bottom:1px solid #cdd4cf}header .wrap{height:88px;width:calc(100% - 6rem);max-width:1500px}header .logo img{width:220px}nav a{color:#35443c}nav .btn{background:#17211b;color:white;border-radius:30px;padding:.7rem 1.5rem}.btn{border-radius:32px;background:#17211b;color:#e0ff5b;display:inline-flex;align-items:center;gap:28px}.btn:hover{background:#364f39}.link{color:inherit}.chapter{border:0;display:inline-flex;background:#e7eae7;padding:6px 12px;border-radius:4px;font-size:.75rem;letter-spacing:.12em;color:#354139;margin-bottom:32px}.split{gap:8%}.lead{font-size:1.17rem;line-height:1.65}.creative-hero{padding:26px 3rem 0;background:#fff;color:#141b19;min-height:0;overflow:hidden;isolation:auto}.creative-hero:after{display:none}.hero-topline{max-width:1500px;margin:auto;display:flex;justify-content:space-between;font-size:.75rem;letter-spacing:.12em;font-weight:600}.hero-topline>span:first-child{padding-left:14px;border-left:5px solid #98bb19}.hero-topline>span:last-child{color:#727b76}.hero-layout{max-width:1500px;margin:56px auto 62px;display:grid;grid-template-columns:1fr 1fr;gap:3%;align-items:start}.creative-hero h1{font-size:clamp(4.3rem,7.6vw,7.7rem);line-height:.94;max-width:none;color:#141b19;margin:0 0 28px;font-weight:600;letter-spacing:-.065em}.hero-subtitle{font-size:clamp(1.6rem,2.7vw,2.7rem);line-height:1.18;letter-spacing:.018em;font-weight:500;margin:0 0 28px;max-width:22ch;color:#436137}.creative-hero .lead{color:#58615e;font-size:1rem;max-width:47ch;margin-bottom:30px}.creative-hero .actions{gap:24px}.hero-object{position:relative;min-width:0;background:#f1f3f0;border-radius:40px 0 40px 0;padding:22px 25px 24px;margin-top:0}.voltage{font-size:clamp(8rem,17.5vw,18rem);line-height:1;letter-spacing:-.095em;font-weight:600;color:#18251b;white-space:nowrap;text-align:center}.voltage span{font-size:.52em;letter-spacing:-.06em;margin-left:.1em}.object-label{display:flex;justify-content:space-between;font-size:.7rem;letter-spacing:.06em;margin:18px 8px 22px;border-top:1px solid #bac3bb;padding-top:12px;font-weight:600}.hero-object img{width:112%;max-width:none;margin-left:-6%;mix-blend-mode:multiply;transform:rotate(-5deg);margin-top:28px;margin-bottom:28px;filter:drop-shadow(0 18px 12px #16241a1a)}.object-footer{display:flex;justify-content:space-between;gap:10px;font-size:.75rem;letter-spacing:.03em;font-weight:600;background:var(--acid);margin:14px -25px -24px;padding:22px 25px;border-radius:0 0 40px 0}.hero-bottom{display:flex;justify-content:space-between;gap:24px;max-width:1500px;margin:auto;border-top:1px solid #141b19;padding:22px 0;font-size:clamp(.8rem,1.3vw,1.25rem);font-weight:600;letter-spacing:.03em}.figures{background:#17211b;color:#fff}.figures .wrap{width:calc(100% - 6rem);max-width:1500px;grid-template-columns:1.2fr 1fr 1fr 1fr}.fig b{color:#dcff50;font-size:clamp(2rem,3vw,3.2rem)}.fig span{color:#bdc8c0}.fig,.fig+.fig{border-color:#39473d;padding-block:34px}.fig:first-child{padding-left:0}
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#buildings{background:#101b14;color:#fff;--ink:#fff;--slate:#b7c4ba;--hair:#3f5044;--bg:#101b14;--mist:#1c2a20;padding-top:120px}#buildings .chapter{background:#2a3e2e;color:#dcff50}#buildings>.wrap>.kicker{display:none}#buildings>.wrap>.split{display:block}#buildings>.wrap>.split h2{font-size:clamp(3.5rem,7.9vw,8rem);max-width:none;line-height:1.02;letter-spacing:-.065em;margin-bottom:44px}#buildings h2 span{color:#dcff50}#buildings>.wrap>.split>div{display:grid;grid-template-columns:1fr 1fr;gap:7%}#buildings .lead{color:#c2cdc5;font-size:1.1rem}.building-splash{margin:42px 0 0;position:relative}.building-splash img{width:100%;aspect-ratio:2.3;object-fit:cover;object-position:center 52%;border-radius:0 56px 0 0}.building-splash figcaption{background:#dcff50;color:#17211b;padding:17px 22px;display:flex;justify-content:space-between;font-size:.75rem;letter-spacing:.08em;font-weight:600;gap:20px}.building-types{display:flex;justify-content:space-between;gap:20px;padding:24px 0 6px;font-size:clamp(1rem,2.4vw,2rem);letter-spacing:-.035em;color:white}.building-types span:before{content:'↳';color:#dcff50;margin-right:12px}#buildings .stats{gap:30px;margin-top:45px}#buildings .stats b{color:#dcff50;font-size:clamp(2rem,4vw,3.7rem)}#buildings .stats div{border-color:#50614f}.ba-fig{background:#223526;padding:18px 18px 16px;border-radius:20px}.ba{border-radius:8px;border:0}.ba-cap{margin:14px 6px 0}.fitgrid{gap:6%;grid-template-columns:1.2fr 1fr}.fitgrid>div:first-child{padding:32px;background:#1f3024;border-radius:16px}.fitgrid>div:last-child{padding:32px 0}.fitgrid h3{font-size:1.8rem}.fitgrid .kv li{grid-template-columns:1fr;gap:5px}.stages li{border-top:2px solid #9daf96;padding-top:24px}.stages li:before{font-size:3.4rem;color:#adc42e;font-weight:600;margin-bottom:22px}.buildcost{background:#dcff50;color:#17211b;--slate:#3f542e;--ink:#17211b;--hair:#b0ca4f;padding:40px;border:0;border-radius:0 40px 0 40px}.buildcost .money b,.night-soft .buildcost .money .big b{color:#17211b}.buildcost .money span{color:#3f542e}.buildcost .money div{border-color:#7a942f}.buildcost .note{color:#3f542e}.night-soft .pv{border:1px solid #3f5044;border-radius:16px;overflow:hidden}.pv .them{background:#18271d}.pv .us{background:#fff;color:#17211b}
#economics{background:#fff}#economics h2{max-width:16ch}#economics .split{align-items:end}.savings-layout{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;margin-top:60px}.savings-main{background:#dcff50;padding:38px;border-radius:32px;min-width:0}.savings-label{font-size:.75rem;letter-spacing:.1em;font-weight:600}.savings-main>b{display:block;font-size:clamp(5.5rem,10.5vw,10rem);line-height:1.15;letter-spacing:-.08em;font-weight:600}.savings-main>b>span{font-size:.5em;letter-spacing:-.04em}.savings-main p{font-size:1.7rem;font-weight:600;margin:0 0 12px;letter-spacing:-.03em}.savings-main>span:last-child{font-size:.9rem}.savings-comparison>div{margin:28px 0}.savings-comparison>div>span{font-size:.75rem;letter-spacing:.06em;font-weight:600;display:block;color:#58615e}.savings-comparison b{display:block;font-size:2.7rem;letter-spacing:-.04em;font-weight:600;margin:6px 0 12px}.savings-comparison b span{font-size:1rem;color:#58615e;font-weight:400;letter-spacing:0}.cost-bar{height:16px;border-radius:20px;background:#27372c}.cost-bar.ritheum{width:26.4%;background:#92b831}.savings-comparison p{font-size:.875rem;color:#58615e}.rank{display:grid;grid-template-columns:1fr 1fr;gap:0 38px;border:0}.rank li{grid-template-columns:30px 1fr;gap:16px;align-items:start}.rank .n{color:#809266;font-size:1.5rem}.rank .v{grid-column:2;text-align:left;color:#17211b}.rank b{font-size:1.15rem}
#hardware{background:#f0f3ef;padding-top:100px}#hardware h2{font-size:clamp(3rem,6.5vw,6.5rem);max-width:none}#hardware .prod{padding:40px;background:white;border-radius:24px;overflow:hidden;margin-top:38px!important;gap:35px}#hardware .prod.full{display:flex;flex-direction:column}#hardware .prod.full .txt{order:-1;display:grid;grid-template-columns:1fr 1fr;gap:7%}#hardware .prod.full .pic{width:100%;border:0;background:#fff;padding:0}#hardware .prod h3{font-size:clamp(2rem,3.6vw,3.5rem);line-height:1.07}#hardware .kv{font-size:1rem}#hardware .kv li{font-size:.95rem}#hardware .showcase{background:#fff;padding:0}#hardware .showcase img{background:#fff}#hardware .prod:last-child{grid-template-columns:1.1fr 1fr}#hardware .prod:last-child .pic{border:0;padding:0}.product-index{display:block;font-size:.75rem;color:#627451;letter-spacing:.1em;margin-bottom:18px;font-weight:600}
#proof{background:#17211b;color:white;--slate:#bcc9bf;--ink:#fff;--hair:#405345}#proof .chapter{background:#dcff50;color:#17211b}#proof .lead{color:#c7d2ca}.proof2{grid-template-columns:1.1fr 1fr;gap:28px}.proof2>div{background:#dcff50;color:#17211b;border:0;border-radius:24px;padding:36px}.proof2>div+div{background:#263a2b;border:0;color:white}.proof2 .who,.proof2 p{color:#405630}.proof2>div+div .who,.proof2>div+div p{color:#c5d3c5}.proof2 .readings{border-color:#9fb845;grid-template-columns:1fr 1fr;gap:22px}.proof2 .readings>div:first-child{grid-column:1/-1}.proof2 .readings b{color:#17211b;font-size:2.9rem}.proof2 .readings>div:first-child b{font-size:clamp(5rem,8vw,7.5rem);letter-spacing:-.07em}.proof2 .readings span{color:#3b5029}.proof2>div+div .readings{border-color:#50694f}.proof2>div+div .readings b{color:#dcff50}.proof2>div+div .readings span{color:#c5d3c5}
#cooler,#compare{background:#fff}thead th{background:#e8ede5}td.us,th.us{background:#e7f4ca;color:#344529}.band td.us,.band th.us{background:#e7f4ca}.pair .pic{border-radius:18px}.pair figure:nth-child(2) figcaption{border-left:4px solid #99b933;padding-left:20px}#deploy{background:#dcff50}#deploy .chapter{background:#17211b;color:#dcff50}#deploy .stages{gap:40px}#deploy .stages li:before{color:#17211b}#deploy p,#deploy .what{color:#3f502f}#roadmap{background:#17211b;color:#fff;--slate:#bcc9bf;--hair:#435748}#roadmap .chapter{background:#dcff50;color:#17211b}#roadmap .road{gap:22px}#roadmap .road li{border-color:#dcff50}#roadmap time{color:#dcff50}#roadmap .targets>div{background:#263a2b;border:0;border-radius:16px}#roadmap .targets .when{color:#dcff50}#roadmap .targets p{color:#d5ddd5}#history .history{gap:24px}.history time{color:#3c572f;font-size:2.6rem}#inventor{background:#e9ede6}#inventor h2{max-width:22ch;font-size:clamp(2.5rem,5vw,5rem)!important}.portrait{border-radius:0 55px 0 55px}#inventor .inventor.withimg{gap:8%;grid-template-columns:.8fr 1.2fr}#team .team{grid-template-columns:repeat(3,1fr);gap:24px}#team .team>div{background:#f0f3ed;border:0;border-radius:14px;padding:28px}#team .team>div:first-child{background:#dcff50}#team .team .role{color:#46642f}#team .team h3{font-size:1.5rem}#team .team p{font-size:.95rem}.contact{background:#dcff50;color:#17211b;--ink:#17211b;--slate:#41522e;--hair:#a7be53}.contact .chapter{background:#17211b;color:#dcff50}.contact h2{font-size:clamp(3.4rem,6vw,6rem);letter-spacing:-.055em}.contact .mail{font-size:clamp(1.6rem,3vw,2.8rem)}footer{background:#fff}
@media(min-width:1550px){.hero-layout{margin-block:72px 84px}.creative-hero h1{font-size:8rem}.hero-object img{margin-block:38px}.hero-subtitle{font-size:2.8rem}}
@media(max-width:1100px){.wrap{width:calc(100% - 3rem)}header .wrap{width:calc(100% - 3rem)}.creative-hero{padding-inline:1.5rem}.hero-layout{margin-top:42px;gap:4%}.creative-hero h1{font-size:clamp(3.7rem,7.5vw,6rem)}.hero-subtitle{font-size:2rem}.hero-object{padding:20px}.object-footer{margin:16px -20px -20px;padding:20px}.object-label{flex-direction:column;gap:5px}.hero-object img{margin-top:36px;margin-bottom:40px}.figures .wrap{width:calc(100% - 3rem)}.savings-layout{gap:36px}.savings-main{padding:28px}.savings-main>b{font-size:7rem}.proof2{grid-template-columns:1fr 1fr}.team{gap:20px}#team .team{grid-template-columns:1fr 1fr}#hardware .prod{padding:28px}.fitgrid{grid-template-columns:1fr 1fr}.fitgrid>div:first-child{padding:26px}.fitgrid>div:last-child{padding:26px 0}.buildcost{padding:32px}.building-types span:before{margin-right:8px}}
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@media(max-width:680px){section{padding:72px 0}.wrap,header .wrap{width:calc(100% - 2.5rem)}header .logo img{width:184px}.creative-hero{padding:22px 1.25rem 0}.hero-layout{display:flex;flex-direction:column;margin:32px auto 28px;gap:38px}.hero-topline{font-size:.65rem;letter-spacing:.09em}.creative-hero h1{font-size:clamp(3.8rem,15vw,5.7rem);line-height:.94;letter-spacing:-.055em;margin-bottom:24px}.hero-subtitle{font-size:1.7rem;line-height:1.25;letter-spacing:.018em}.creative-hero .lead{font-size:1rem;max-width:none}.creative-hero .actions{flex-direction:row;align-items:center;gap:22px;flex-wrap:wrap}.creative-hero .btn{font-size:.9rem;padding:1rem 1.25rem;gap:18px}.hero-object{width:100%;margin:0;border-radius:28px 0 28px 0;padding:16px 22px}.voltage{font-size:9.5rem;line-height:.95}.object-label{flex-direction:row;font-size:.625rem;gap:12px;margin:16px 0}.hero-object img{width:108%;margin-left:-4%;margin-top:10px;margin-bottom:22px;transform:rotate(-4deg)}.object-footer{flex-direction:row;font-size:.625rem;gap:8px;padding:18px 22px;margin:0 -22px -16px;border-radius:0 0 28px 0}.hero-bottom{gap:12px;flex-wrap:wrap;font-size:.68rem;letter-spacing:0;padding:20px 0}.figures .wrap{width:calc(100% - 1.5rem)}.fig,.fig+.fig,.fig:first-child{padding:22px 12px}.fig b{font-size:1.85rem}.fig span{font-size:.8125rem}.split,#answer .split{grid-template-columns:1fr}#answer h2{font-size:3.2rem}.steps.one{flex-direction:column}.steps.one .join{margin-inline:auto;margin-block:0;min-height:14px}.steps.one .step{padding:20px}#problem .pull{padding:28px;font-size:1.5rem}#buildings{padding-top:72px}#buildings>.wrap>.split h2{font-size:clamp(3.2rem,12vw,4.8rem);line-height:1.04;margin-bottom:30px}#buildings>.wrap>.split>div{grid-template-columns:1fr;gap:0}.building-splash img{aspect-ratio:1.3;object-position:67%;border-radius:0 28px 0 0}.building-splash figcaption{font-size:.625rem;flex-direction:column;gap:7px;padding:15px}.building-types{flex-wrap:wrap;gap:10px 22px;font-size:1rem}.building-types span:before{margin-right:5px}#buildings .stats{grid-template-columns:1fr 1fr;gap:24px 14px}#buildings .stats b{font-size:2.25rem}#buildings .stats span{font-size:.875rem}.ba-fig{padding:10px;border-radius:12px}.ba-cap{font-size:.8rem}.fitgrid>div:first-child{padding:24px}.fitgrid>div:last-child{padding:0 24px}.fitgrid h3{font-size:1.6rem}.buildcost{padding:26px 22px;border-radius:0 28px 0 28px}.buildcost .money b{font-size:3rem}.pv>div{padding:26px}.savings-layout{grid-template-columns:1fr;gap:12px;margin-top:36px}.savings-main{padding:28px}.savings-main>b{font-size:7.5rem}.savings-main p{font-size:1.6rem}.savings-comparison b{font-size:2.5rem}.rank{grid-template-columns:1fr}.rank li{padding:22px 0}#hardware{padding-top:72px}#hardware h2{font-size:3.2rem}#hardware .prod{padding:24px 18px;border-radius:16px}#hardware .prod h3{font-size:2.2rem}#hardware .prod.full .txt{grid-template-columns:1fr}.proof2{grid-template-columns:1fr}.proof2>div{padding:26px;border-radius:18px}.proof2 .readings{grid-template-columns:1.2fr 1fr}.proof2 .readings>div:first-child b{font-size:6rem}.proof2 .readings b{font-size:2.6rem}#proof h2{font-size:3.2rem}#roadmap .road{grid-template-columns:1fr}.history time{font-size:2.2rem}#inventor .inventor.withimg{grid-template-columns:1fr}.portrait{max-width:100%;width:250px;border-radius:0 35px 0 35px}#team .team{grid-template-columns:1fr}.contact h2{font-size:3.5rem}.contact .mail{font-size:1.7rem}.chapter{font-size:.7rem;letter-spacing:.09em}.note,.fine{font-size:.875rem}}
@media(prefers-reduced-motion:no-preference){.hero-object img{animation:hardware-enter .9s ease-out both}@keyframes hardware-enter{from{opacity:0;translate:0 18px}to{opacity:1;translate:0 0}}}