*{box-sizing:border-box}
:root{--navy:#062b50;--navy2:#073e6e;--blue:#075bc0;--gold:#f1b900;--green:#11751e;--ink:#10233b;--muted:#657586;--line:#d7e0e8;--bg:#f3f6f8}
html,body{margin:0;padding:0;background:var(--bg);font-family:Arial,Helvetica,sans-serif;color:var(--ink)}
body{min-width:320px}.page{max-width:1500px;margin:0 auto;background:#fff;min-height:100vh;overflow:hidden}
.topbar{background:linear-gradient(105deg,#031e38,#073e6e);border-bottom:3px solid var(--gold);color:#fff}
.topbar-inner{min-height:116px;padding:13px 45px;display:flex;align-items:center;justify-content:space-between;gap:35px}
.brand{flex:0 0 305px;display:block}.brand img{width:285px;max-height:78px;display:block;object-fit:contain;object-position:left center}
.features{display:flex;align-items:stretch;justify-content:flex-end;flex:1}
.feature{display:flex;align-items:center;gap:10px;padding:0 28px;border-left:1px solid rgba(255,255,255,.38);min-width:205px}
.feature:first-child{border-left:0}.feature i{font-style:normal;color:var(--gold);font-size:28px;line-height:1}.feature b{display:block;font-size:13px;letter-spacing:.3px;white-space:nowrap}.feature span{display:block;font-size:11px;color:#e6edf4;white-space:nowrap;margin-top:3px}
.hero{position:relative;min-height:154px;padding:27px 52px 18px;overflow:hidden;background:#fff}
.hero-copy{position:relative;z-index:2;max-width:780px}.eyebrow{font-size:10px;letter-spacing:1.4px;font-weight:800;color:#b47e00;margin-bottom:6px}
.hero h1{margin:0 0 7px;color:#092f55;font-size:35px;line-height:1.08;text-transform:uppercase}.hero p{margin:0;font-size:17px;color:#172b42}
.cylinder{position:absolute;z-index:1;right:5px;top:-4px;width:500px;height:auto}
main{padding:0 44px 20px}.top-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:11px;overflow:hidden;box-shadow:0 4px 16px rgba(8,44,78,.08)}
.card-header{height:45px;padding:0 20px;background:linear-gradient(90deg,#052b50,#073e6e);display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:800;text-transform:uppercase}.card-header span{color:var(--gold);font-size:19px}
.card-body{padding:19px}.fields{display:grid;grid-template-columns:1fr 1fr;gap:13px 20px}.field.full{grid-column:1/-1}
.field label{display:block;font-size:13px;font-weight:800;margin-bottom:6px}.field label em{font-style:italic}
.row{display:flex;gap:8px}input,select{width:100%;height:43px;border:1px solid #c7d2dc;border-radius:7px;background:#fff;color:var(--ink);font:inherit;font-size:15px;padding:0 11px;outline:none}input:focus,select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(7,91,192,.12)}
.row select{max-width:115px}.static{min-width:57px;height:43px;border:1px solid #c7d2dc;border-radius:7px;background:#f5f8fa;color:var(--muted);display:grid;place-items:center;font-size:14px;font-weight:700}.wide{max-width:none}.hint,small{font-size:11px;color:var(--muted);margin-top:5px}.conversion{font-size:11px;color:#175184;font-weight:700;margin-top:5px}
.primary{width:100%;height:46px;border:0;border-radius:7px;background:#062f58;color:#fff;font-size:17px;font-weight:800;cursor:pointer}.primary:hover{background:#074675}.button-icon{color:var(--gold);font-size:19px;vertical-align:-1px}.secondary{width:100%;border:0;background:transparent;color:#5d6d7b;font-size:11px;cursor:pointer;margin-top:6px}.error{display:none;margin-top:11px;padding:9px 11px;background:#fff0f0;border:1px solid #efc8c8;border-radius:7px;color:#a22d2d;font-size:12px}
.results{display:grid;grid-template-columns:1fr 1fr;gap:12px}.result{border:1px solid var(--line);border-radius:10px;padding:15px 10px;text-align:center}.result span{display:block;font-size:13px;font-weight:800}.result strong{display:block;font-size:30px;line-height:1.1;margin:7px 0 3px}.result small{font-size:17px;font-weight:700}.advance{background:#f3faf3;border-color:#cde2cf}.advance span,.advance strong{color:var(--green)}.return{background:#f2f7fd;border-color:#cbdceb}.return span,.return strong{color:var(--blue)}.hidden{display:none!important}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin-top:12px}.metric{border:1px solid var(--line);border-radius:9px;padding:11px 6px;text-align:center;min-width:0}.metric b{display:block;font-size:10px;text-transform:uppercase;line-height:1.15;color:#19314d}.metric strong{display:block;font-size:19px;margin-top:6px;color:#082d54;white-space:nowrap}.metric span{font-size:11px;color:#586878}
.bottom-grid{display:grid;grid-template-columns:minmax(0,2.3fr) minmax(270px,.8fr);gap:18px;margin-top:18px}.memory{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px;padding:17px}.step{margin-bottom:17px}.step h3{font-size:13px;color:#0b3158;margin:0 0 7px}.equation{display:inline-block;padding:6px 9px;background:#f7f9fb;border:1px solid var(--line);border-radius:6px;font-family:Georgia,serif;font-style:italic;font-size:14px}.step p{font-size:12px;margin:7px 0 0;color:#3f5162;line-height:1.45}.real{border:1px solid var(--line);border-radius:9px;padding:13px;margin-bottom:10px;font-size:12px}.real b{display:block;margin-bottom:6px}.real span{font-weight:700}.real.green{background:#f5fbf5}.real.green b,.real.green span{color:var(--green)}.real.blue{background:#f4f8fd}.real.blue b,.real.blue span{color:var(--blue)}
.important{background:linear-gradient(145deg,#06294b,#06385f);color:#fff;border-radius:10px;padding:20px 21px}.important-title{font-size:17px;font-weight:800;color:var(--gold);margin-bottom:13px}.important p{font-size:12.5px;line-height:1.55;margin:0 0 14px}.important hr{border:0;border-top:1px solid rgba(255,255,255,.25);margin:13px 0}
footer{min-height:72px;background:#032848;border-top:2px solid var(--gold);padding:11px 44px;display:flex;align-items:center;justify-content:space-between;gap:20px;color:#fff}.footer-brand img{width:155px;max-height:42px;object-fit:contain}.footer-text{font-size:11px}.website{font-size:16px;color:var(--gold);font-weight:800;white-space:nowrap}
@media(max-width:1120px){.features{gap:0}.feature{padding:0 13px;min-width:160px}.feature span{font-size:10px}.cylinder{opacity:.16;right:-35px}.bottom-grid{grid-template-columns:1fr}.memory{grid-template-columns:1fr 1fr}.real-results{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:10px}.real{margin:0}}
@media(max-width:800px){.topbar-inner{padding:12px 18px;min-height:80px}.brand{flex-basis:auto}.brand img{width:215px;height:auto}.features{display:none}.hero{padding:22px 18px 19px;min-height:0}.hero h1{font-size:27px}.hero p{font-size:15px}.cylinder{display:none}main{padding:0 12px 15px}.top-grid,.fields,.results,.memory{grid-template-columns:1fr}.metrics{grid-template-columns:1fr 1fr}.memory{padding:15px}.real-results{display:block}.real{margin-bottom:10px}.card-header{padding:0 15px;font-size:15px}.card-body{padding:15px}.row select{max-width:105px}.result strong{font-size:28px}footer{padding:12px 18px;flex-direction:column;align-items:flex-start;gap:7px}.footer-text{font-size:10px}.website{font-size:14px}}

.type-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.type-card{min-height:165px;overflow:hidden;padding:12px;border:1px solid var(--line);border-radius:10px;background:#fff;text-align:center}.type-card.active{border-color:var(--blue);background:#edf5fc;box-shadow:0 0 0 3px rgba(7,91,192,.12)}.type-card.active:before{content:'◆';color:var(--gold);font-size:10px}.type-card img{display:block;width:140px;max-width:100%;height:82px;margin:auto;object-fit:contain}.type-card b,.type-card small{display:block;margin-top:6px}.subtabs{display:grid;grid-template-columns:1fr 1fr;gap:8px}.subtabs button{height:38px;border:1px solid #c7d2dc;border-radius:7px;background:#f6f9fb;color:#21415f;font-weight:800}.subtabs button.active{border-color:var(--blue);background:#eaf2fb;color:#053b73}.reduction{color:#11751e}.direct{color:#0b3158}.multiplication{color:#075bc0}.rotation-direction{display:flex;justify-content:space-between;padding:10px;border:1px solid var(--line);border-radius:8px}.metrics{grid-template-columns:repeat(3,1fr)}@media(max-width:1120px){.type-cards{grid-template-columns:1fr 1fr}}@media(max-width:800px){.type-cards,.subtabs{grid-template-columns:1fr}.type-card{min-height:145px}.type-card img{height:72px}.metrics{grid-template-columns:1fr 1fr}}
.section-label{margin:18px 0 10px;padding-bottom:7px;border-bottom:1px solid #d9e2ea;color:#082d54;font-size:11px;font-weight:800;letter-spacing:.08em}.main-result{margin-bottom:14px;padding:20px 16px;border:1px solid #b9dfc0;border-radius:10px;background:#effaf1;text-align:center}.main-result span{display:block;color:#16763a;font-size:11px;font-weight:800;letter-spacing:.08em}.main-result strong{display:block;margin:7px 0 4px;color:#0b6b30;font-size:30px;line-height:1.1}.main-result small{display:block;color:#497257;font-size:12px;font-weight:700}
.metrics{grid-template-columns:repeat(auto-fit,minmax(130px,1fr))}
.metric.reduction b,.metric.reduction strong,.metric.reduction span{color:#11751e}.metric.direct b,.metric.direct strong,.metric.direct span{color:#0b3158}.metric.multiplication b,.metric.multiplication strong,.metric.multiplication span{color:#075bc0}