:root{color-scheme:light;--ink:#161b20;--muted:#69747d;--line:#dde2e6;--red:#ef1b24;--red-dark:#c9141c;--paper:#f5f7f8;--radius:20px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-synthesis:none}
*{box-sizing:border-box}
html{max-width:100%;overflow-x:clip;scroll-behavior:smooth}
body{max-width:100%;margin:0;overflow-x:clip;color:var(--ink);background:#fff}
.section-wrap{width:min(1180px,calc(100% - 40px));margin-inline:auto}
.landing-hero{min-height:660px;color:#fff;background:radial-gradient(circle at 77% 28%,rgba(239,27,36,.23),transparent 24%),linear-gradient(135deg,#000,#171717 70%,#050505);overflow:hidden}
.landing-nav{width:min(1180px,calc(100% - 40px));min-height:84px;margin:auto;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.14)}
.landing-brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none}
.landing-brand img{border-radius:10px}
.landing-brand strong,.landing-brand small{display:block}
.landing-brand strong{font-size:.96rem}
.landing-brand small{margin-top:2px;color:#adb7bd;font-size:.72rem}
.nav-actions{display:flex;align-items:center;gap:9px}
.nav-link{padding:11px 16px;color:#fff;background:rgba(239,27,36,.14);border:1px solid rgba(239,27,36,.72);border-radius:10px;text-decoration:none;font-size:.82rem;font-weight:780}
.nav-link:hover{background:rgba(239,27,36,.25)}
.hero-grid{width:min(1180px,calc(100% - 40px));margin:auto;display:grid;grid-template-columns:1.25fr .75fr;gap:80px;align-items:center;padding:94px 0 104px}
.hero-grid>*{min-width:0}
.eyebrow{margin:0 0 13px;color:var(--red);font-size:.72rem;font-weight:850;letter-spacing:.16em;text-transform:uppercase}
.landing-hero .eyebrow{color:#ff747a}
h1,h2,h3,p{margin-top:0}
h1{margin-bottom:24px;font-size:clamp(3rem,6vw,5.6rem);line-height:.96;letter-spacing:-.06em}
h1 span{color:var(--red)}
.hero-copy{max-width:680px;margin-bottom:32px;color:#c4cbd0;font-size:1.08rem;line-height:1.72}
.primary-action{display:inline-flex;align-items:center;gap:22px;padding:14px 18px;color:#fff;background:var(--red);border-radius:10px;text-decoration:none;font-weight:800}
.hero-panel{padding:28px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.17);border-radius:18px;backdrop-filter:blur(8px)}
.panel-kicker{margin-bottom:18px;color:#ff747a;font-size:.72rem;font-weight:850;letter-spacing:.13em;text-transform:uppercase}
.hero-stat{display:grid;grid-template-columns:46px 1fr;align-items:center;gap:14px;padding:17px 0;border-top:1px solid rgba(255,255,255,.14)}
.hero-stat strong{color:var(--red);font-size:1.4rem}
.hero-stat span{color:#d5dade;font-size:.9rem}
.intro{padding:96px 0 110px}
.section-title-row{display:grid;grid-template-columns:1.2fr .8fr;gap:80px;align-items:end;margin-bottom:38px}
.section-title-row h2,.standards h2{margin-bottom:0;font-size:clamp(2rem,4vw,3.4rem);line-height:1.04;letter-spacing:-.045em}
.section-title-row p{margin-bottom:3px;color:var(--muted);line-height:1.65}
.calculator-grid{display:grid;grid-template-columns:1fr 1fr .72fr;gap:20px}
.calculator-grid>*{min-width:0}
.calculator-card{display:flex;flex-direction:column;min-height:510px;padding:28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 18px 50px rgba(20,31,39,.07)}
.card-featured{border-color:#f0b9bc;box-shadow:0 22px 55px rgba(185,20,28,.11)}
.card-topline{display:flex;align-items:center;justify-content:space-between;color:#7b858c;font-size:.7rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.status{padding:5px 8px;color:#fff;background:var(--red);border-radius:999px}
.status-live{color:#17623a;background:#e4f5ea}
.status-roadmap{color:#59636a;background:#e9edef}
.card-icon{width:84px;height:84px;margin:34px 0 28px;padding:13px;display:grid;gap:7px;background:#111;border-radius:18px}
.building-icon{grid-template-columns:repeat(3,1fr);align-items:end}
.building-icon i{display:block;background:linear-gradient(#ef1b24 0 18%,#343434 18%);border-radius:3px 3px 1px 1px}
.building-icon i:nth-child(1){height:65%}
.building-icon i:nth-child(2){height:100%}
.building-icon i:nth-child(3){height:82%}
.rack-icon{align-content:center}
.rack-icon i{height:8px;background:repeating-linear-gradient(90deg,#ef1b24 0 7px,#333 7px 12px);border-radius:2px}
.calculator-card h3{margin-bottom:13px;font-size:1.55rem;line-height:1.15;letter-spacing:-.03em}
.calculator-card>p{color:var(--muted);line-height:1.62}
.calculator-card ul{margin:10px 0 28px;padding-left:19px;color:#48545c;font-size:.88rem;line-height:1.8}
.card-action{margin-top:auto;display:flex;justify-content:space-between;gap:15px;padding-top:18px;color:var(--red-dark);border-top:1px solid var(--line);text-decoration:none;font-weight:820}
.card-future{background:var(--paper);box-shadow:none}
.future-mark{display:grid;place-items:center;width:70px;height:70px;margin:42px 0 30px;color:#9ba4aa;border:2px dashed #c9d0d4;border-radius:18px;font-size:2.2rem}
.future-label{margin-top:auto;color:#858e94;font-size:.78rem;font-weight:760}
.glossary{padding:94px 0 104px;background:var(--paper);border-top:1px solid var(--line)}
.glossary-heading{margin-bottom:28px}
.glossary-groups{display:grid;gap:12px}
.glossary-group{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 10px 28px rgba(20,31,39,.05);overflow:hidden}
.glossary-group summary{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 22px;color:var(--ink);cursor:pointer;font-weight:820;list-style:none}
.glossary-group summary::-webkit-details-marker{display:none}
.glossary-group summary::after{content:"+";display:grid;place-items:center;width:28px;height:28px;margin-left:auto;color:#fff;background:var(--red);border-radius:8px;font-size:1rem}
.glossary-group[open] summary::after{content:"−"}
.glossary-group summary small{color:var(--muted);font-size:.7rem;font-weight:750}
.glossary-group dl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));margin:0;padding:0 22px 22px;gap:0 28px}
.glossary-group dl div{display:grid;grid-template-columns:145px 1fr;gap:14px;padding:15px 0;border-top:1px solid var(--line)}
.glossary-group dt{color:var(--red-dark);font-size:.78rem;font-weight:850}
.glossary-group dd{margin:0;color:#59656d;font-size:.78rem;line-height:1.55}
.glossary-group dt,.glossary-group dd,.calculator-card,.section-title-row>*{min-width:0;overflow-wrap:anywhere}
.standards{padding:94px 0;color:#fff;background:#111}
.standards-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px}
.standards-list p{display:grid;grid-template-columns:160px 1fr;gap:24px;padding:18px 0;margin:0;border-top:1px solid #343434}
.standards-list strong{color:#fff}
.standards-list span{color:#aeb6bb;line-height:1.55}
footer{padding:36px 0;color:#aab2b7;background:#050505}
footer strong{color:#fff;font-size:.82rem}
footer p{max-width:920px;margin:8px 0 0;font-size:.72rem;line-height:1.55}
@media(max-width:900px){.hero-grid,.section-title-row,.standards-grid{grid-template-columns:1fr;gap:36px}
.glossary-group dl{grid-template-columns:1fr}
.hero-panel{max-width:560px}
.calculator-grid{grid-template-columns:1fr 1fr}
.card-future{grid-column:1/-1;min-height:330px}
}
@media(max-width:620px){.section-wrap,.landing-nav,.hero-grid{width:min(100% - 28px,1180px)}
.landing-hero{min-height:auto}
.landing-nav{align-items:center}
.nav-actions .nav-link:first-child{display:none}
.nav-link{padding:9px 12px;font-size:.75rem}
.hero-grid{padding:68px 0 76px}
.calculator-grid{grid-template-columns:1fr}
.card-future{grid-column:auto}
.calculator-card{min-height:0}
.standards-list p{grid-template-columns:1fr;gap:7px}
.intro{padding:72px 0}
.glossary{padding:72px 0}
.glossary-group summary{padding:17px}
.glossary-group dl{padding:0 17px 17px}
.glossary-group dl div{grid-template-columns:1fr;gap:5px}
.landing-brand small{display:none}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
}