:root{--bg:#0a1a4a;--grid:rgba(154,170,212,.05);--surface:#152b69;--surface-2:#1a3379;--text:#f5f5f5;--muted:#8393bd;--border:rgba(154,170,212,.16);--white:#fff}
*{box-sizing:border-box}body{margin:0;background:var(--bg);background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:28px 28px;color:var(--text);font-family:'IBM Plex Sans',sans-serif;-webkit-font-smoothing:antialiased}.bg-canvas{position:fixed;inset:0;width:100vw;height:100vh;z-index:-1;pointer-events:none}.wrap{width:min(1180px,calc(100% - 48px));margin:0 auto}a{color:inherit;text-decoration:none}.topbar{background:#193074;border-bottom:1px solid var(--border);font:500 11px/1.4 'IBM Plex Mono',monospace;letter-spacing:.08em}.topbar .wrap{display:flex;justify-content:space-between;padding:8px 0}.muted{color:var(--muted)}nav{position:sticky;top:0;z-index:20;background:rgba(8,22,66,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.nav-wrap{min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{display:flex;align-items:center;gap:10px;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:19px}.logo-mark{filter:drop-shadow(0 0 6px rgba(255,255,255,.35))}.navlinks{display:flex;align-items:center;gap:28px;color:var(--muted);font-size:14px}.navlinks a:hover,.navlinks a[aria-current=page]{color:var(--white)}.nav-cta{background:var(--white);color:#0a1a4a;padding:10px 17px;border-radius:999px;font-weight:600;font-size:13px}.calculator-hero{padding:86px 0 58px;border-bottom:1px solid var(--border)}.eyebrow{display:flex;align-items:center;gap:9px;color:#b3c3ed;font:500 11px/1 'IBM Plex Mono',monospace;letter-spacing:.13em;margin-bottom:18px}.eyebrow:before{content:'';width:24px;height:1px;background:#fff}.calculator-hero h1{font:700 clamp(42px,7vw,76px)/.95 'Space Grotesk',sans-serif;letter-spacing:-.045em;margin:0 0 22px}.calculator-hero p{max-width:680px;color:var(--muted);font-size:17px;line-height:1.65;margin:0}.calculator-section{padding:64px 0}.calculator-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:22px;align-items:start}.calculator-card,.results-card{background:rgba(18,38,97,.94);border:1px solid var(--border);border-radius:16px;padding:30px}.card-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}.card-heading>div{display:flex;align-items:center;gap:12px}.card-heading h2{font:600 21px/1 'Space Grotesk',sans-serif;margin:0}.step{font:500 11px/1 'IBM Plex Mono',monospace;color:var(--muted);border:1px solid var(--border);border-radius:50%;width:30px;height:30px;display:grid;place-items:center}.text-button{background:none;border:0;color:var(--muted);font:500 12px 'IBM Plex Mono',monospace;cursor:pointer}.text-button:hover{color:#fff}.calculator-card label{display:block;color:#b2c2ec;font-size:13px;margin:20px 0 8px}.input-row{display:grid;grid-template-columns:1fr 94px}.input-row input,.input-row select,.unit-label{height:52px;border:1px solid var(--border);background:#0e2156;color:#fff;font:500 16px 'IBM Plex Mono',monospace}.input-row input{min-width:0;padding:0 16px;border-radius:9px 0 0 9px;outline:none}.input-row input:focus{border-color:#fff}.input-row select{padding:0 14px;border-left:0;border-radius:0 9px 9px 0}.unit-label{display:flex;align-items:center;padding:0 16px;border-left:0;border-radius:0 9px 9px 0;color:var(--muted)}.form-error{color:#ffb4b4;font-size:13px;line-height:1.5;margin:16px 0 0}.calculate-button{width:100%;height:52px;margin-top:24px;border:0;border-radius:9px;background:#fff;color:#0a1a4a;font:600 14px 'IBM Plex Sans',sans-serif;display:flex;justify-content:center;align-items:center;gap:10px;cursor:pointer}.calculate-button:hover{background:#c8d8ff}.primary-result{border:1px solid rgba(255,255,255,.35);background:linear-gradient(135deg,#172d6e,#0e2156);border-radius:12px;padding:22px;margin-bottom:14px}.primary-result span,.result-item span{display:block;color:var(--muted);font:500 11px/1.4 'IBM Plex Mono',monospace;text-transform:uppercase;letter-spacing:.06em}.primary-result strong{display:block;font:600 36px/1.1 'Space Grotesk',sans-serif;margin-top:12px}.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.result-item{background:#0e2156;border:1px solid var(--border);border-radius:10px;padding:18px;min-height:94px}.result-item strong{display:block;font:600 18px/1.3 'Space Grotesk',sans-serif;margin-top:10px}.formula-note{margin-top:14px;border-top:1px solid var(--border);padding-top:18px}.formula-note span{color:var(--muted);font:500 10px 'IBM Plex Mono',monospace;letter-spacing:.1em}.formula-note p{color:#b2c2ec;font-size:13px;margin:7px 0 0}.notice-section{padding:0 0 72px}.notice{border-left:2px solid #fff;background:#11245d;padding:22px 24px}.notice strong{font-family:'Space Grotesk',sans-serif}.notice p{color:var(--muted);font-size:13px;line-height:1.65;margin:7px 0 0}footer{border-top:1px solid var(--border);color:var(--muted);font:500 12px 'IBM Plex Mono',monospace}footer .wrap{min-height:90px;display:flex;justify-content:space-between;align-items:center}footer a:hover{color:#fff}
@media(max-width:800px){.navlinks{display:none}.calculator-hero{padding:62px 0 45px}.calculator-layout{grid-template-columns:1fr}.calculator-card,.results-card{padding:22px}.result-grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.wrap{width:min(100% - 28px,1180px)}.nav-cta{display:none}.calculator-hero h1{font-size:42px}.result-grid{grid-template-columns:1fr}.primary-result strong{font-size:30px}.topbar .wrap{gap:12px}.topbar .muted{text-align:right}}
.mobile-menu-toggle{display:none;width:38px;height:38px;padding:9px;border:1px solid var(--border);border-radius:10px;background:#0f2158;color:var(--text);cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px}.mobile-menu-toggle span{display:block;width:17px;height:1.5px;border-radius:2px;background:currentColor}.mobile-menu-overlay{position:fixed;inset:0;z-index:119;background:rgba(2,8,28,.72);opacity:0;transition:opacity .25s ease;backdrop-filter:blur(3px)}.mobile-menu-overlay.open{opacity:1}.mobile-menu{position:fixed;z-index:120;top:0;right:0;width:min(86vw,340px);height:100dvh;transform:translateX(105%);transition:transform .26s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;padding:max(20px,env(safe-area-inset-top)) max(20px,env(safe-area-inset-right)) max(24px,env(safe-area-inset-bottom)) 22px;background:rgba(15,34,90,.98);border-left:1px solid var(--border);box-shadow:-24px 0 70px rgba(2,8,28,.55);-webkit-overflow-scrolling:touch;overflow-y:auto}.mobile-menu.open{transform:none}.mobile-menu-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--border)}.mobile-menu-head strong{font:600 18px 'Space Grotesk',sans-serif}.mobile-menu-head button{width:38px;height:38px;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--text);font-size:25px;line-height:1;cursor:pointer}.mobile-menu-links{display:grid;margin-top:18px}.mobile-menu-links a{display:flex;align-items:center;justify-content:space-between;padding:17px 3px;border-bottom:1px solid var(--border);color:var(--text);font:600 17px 'Space Grotesk',sans-serif}.mobile-menu-links a[aria-current=page]{color:#fff}.mobile-menu-links a span{color:var(--muted);font-family:'IBM Plex Mono',monospace}.mobile-menu>p{margin:auto 0 0;padding-top:26px;color:var(--muted);font:500 10px/1.7 'IBM Plex Mono',monospace;letter-spacing:.06em;text-transform:uppercase}.mobile-menu-active{overflow:hidden;touch-action:none}@media(max-width:800px){.mobile-menu-toggle{display:flex}}
.info-layout{display:grid;grid-template-columns:390px minmax(0,1fr);gap:22px;align-items:start}.search-card{position:sticky;top:94px}.count-pill{border:1px solid var(--border);border-radius:999px;color:var(--muted);font:500 11px 'IBM Plex Mono',monospace;padding:7px 10px}.search-input{width:100%;height:54px;border:1px solid var(--border);border-radius:10px;background:#0e2156;color:#fff;font:500 15px 'IBM Plex Sans',sans-serif;padding:0 16px;outline:none}.search-input:focus{border-color:#fff}.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.chip-row button{border:1px solid var(--border);background:#0f225a;color:#c2d2fc;border-radius:999px;padding:9px 12px;font:600 12px 'IBM Plex Sans',sans-serif;cursor:pointer}.chip-row button:hover{border-color:#fff;color:#fff}.results-list{display:grid;gap:14px}.info-card{background:rgba(18,38,97,.94);border:1px solid var(--border);border-radius:16px;padding:24px}.info-card-top span{color:var(--muted);font:500 10px 'IBM Plex Mono',monospace;letter-spacing:.1em;text-transform:uppercase}.info-card h3{font:600 26px/1.1 'Space Grotesk',sans-serif;margin:8px 0 12px}.info-card p{color:#b2c2ec;font-size:14px;line-height:1.65;margin:0}.focus-list{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}.focus-list span{border:1px solid rgba(255,255,255,.14);background:#0e2156;border-radius:8px;color:#efefef;padding:8px 10px;font-size:12px}.research-note{border-top:1px solid var(--border);padding-top:16px}.research-note strong{font:600 12px 'IBM Plex Mono',monospace;color:#fff;text-transform:uppercase;letter-spacing:.08em}.research-note p{font-size:13px;margin-top:7px}.empty-state{border:1px dashed var(--border);border-radius:16px;padding:34px;text-align:center;background:rgba(15,34,90,.7)}.empty-state h3{font:600 24px 'Space Grotesk',sans-serif;margin:0 0 8px}.empty-state p{color:var(--muted);line-height:1.6;margin:0 auto;max-width:520px}@media(max-width:900px){.info-layout{grid-template-columns:1fr}.search-card{position:static}}@media(max-width:480px){.info-card{padding:20px}.info-card h3{font-size:23px}.card-heading{align-items:flex-start;gap:12px}.count-pill{white-space:nowrap}}