/* Premium presentation layer. Tool calculations and simulation are unchanged. */
:root{--ink-0:#101416;--ink-1:#14191c;--ink-2:#1a2023;--ink-3:#232b2e;--line:#2a3337;--paper:#eeeee8;--muted:#8b999f;--steel:#b4bfc2;--mud:#ebba77;--mud-d:#cda269;--water:#a5c9bf;--f-mono:ui-monospace,SFMono-Regular,Consolas,monospace}
html,body{height:100%;overflow:hidden}body{background:var(--ink-0);font-size:14px;-webkit-font-smoothing:antialiased}button,a,input{outline-offset:5px}button{cursor:pointer}button,a{touch-action:manipulation}a{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--mud)}.skip-link{position:fixed;left:20px;top:-100px;z-index:100;background:var(--mud);color:var(--ink-0);padding:12px 18px;text-decoration:none}.skip-link:focus{top:15px}
/* Quiet, persistent navigation. */
.rail{width:242px;padding:30px 17px 22px;background:#14191c;border-right:1px solid #ffffff0b;overflow-x:hidden;overflow-y:auto}.rail::after{display:none}.brand{padding:0 4px 35px;gap:11px}.brand svg{width:37px;height:37px}.brand b{font-size:24px;letter-spacing:-.6px;font-weight:600}.brand span{font:7px var(--f-mono);letter-spacing:1.1px;margin-top:5px;white-space:nowrap}.overview{display:flex;align-items:center;gap:10px;width:100%;padding:13px 10px;border:1px solid transparent;background:transparent;color:var(--muted);border-radius:7px;font-size:11px;text-align:left}.overview svg{width:18px;height:18px;flex:none}.overview i{font-style:normal;margin-left:auto;font-size:15px}.overview.is-current{border-color:#ebba7725;background:#ebba770c;color:var(--mud)}.rail-caption{display:flex;justify-content:space-between;margin:34px 11px 4px;font:8px var(--f-mono);letter-spacing:1.5px;color:#859096}.rail-caption>span{color:#65747b}.grp{font:8px var(--f-mono);text-transform:uppercase;letter-spacing:1.3px;color:#7f8c91;padding:23px 11px 8px}.grp::before{display:none}.t{gap:10px;border:1px solid transparent;border-radius:6px;padding:12px 9px;position:relative}.t svg{width:20px;height:20px;color:#8f9da3;stroke-width:1.7}.t b{font-family:var(--f-body);font-size:11px;font-weight:500;line-height:1.5;color:#bbc4c7;white-space:normal}.t span{display:none}.t:hover{padding-left:9px;background:#ffffff06;border-color:#ffffff07}.t:hover svg{color:var(--mud)}.t.on{background:#ebba7710;border-color:#ebba7730}.t.on b,.t.on svg{color:var(--mud)}.rail-footer{margin-top:auto;padding:65px 11px 0}.rail-mark{font:36px var(--f-head);letter-spacing:-2px;color:#7c8a90}.rail-mark>span{color:var(--mud)}.rail-footer p{color:#87969d;font-size:11px;line-height:1.65;margin:12px 0 26px}.local-label{display:flex;align-items:center;gap:8px;font:7px var(--f-mono);letter-spacing:1.2px;color:#90a29f}.local-label i{width:5px;height:5px;border-radius:50%;background:#95b4a5;box-shadow:0 0 8px #95b4a530}
/* Workspace shell and overview. */
main{overflow:hidden}#home{scroll-behavior:smooth;scrollbar-gutter:stable}.workspace-header{max-width:1440px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:30px 42px 26px;border-bottom:1px solid #ffffff09}.breadcrumb{font:8px var(--f-mono);letter-spacing:1.5px;color:#819196}.breadcrumb span{margin:0 10px;color:#5f6d73}.workspace-header h2{font-size:17px;font-weight:500;letter-spacing:-.2px;margin:9px 0 0}.header-link{display:flex;align-items:center;gap:20px;font-size:10px;color:#a8b5bb;text-decoration:none}.header-link span{font-size:17px;color:var(--mud)}.header-link:hover{color:var(--mud)}
.hero{max-width:1440px;grid-template-columns:minmax(0,1.14fr) minmax(300px,.96fr);gap:32px;padding:44px 42px 40px;position:relative}.hero-copy{padding:12px 0}.eyebrow{font:9px var(--f-mono);letter-spacing:1.8px;color:var(--mud);display:flex;align-items:center;gap:10px}.eyebrow>span{width:6px;height:6px;border:1px solid var(--mud);transform:rotate(45deg)}.hero h1{font-size:clamp(56px,5.6vw,90px);font-weight:500;letter-spacing:-2.5px;line-height:1.02;margin:28px 0 24px}.hero h1 em{font-style:normal;color:var(--mud)}.hero p{font-size:14px;line-height:1.8;color:#a3afb3;max-width:400px;margin:0 0 30px}.hero-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap}.cta{font-family:var(--f-body);font-size:12px;font-weight:600;background:var(--mud);border:1px solid #ffd69b55;border-radius:5px;box-shadow:0 3px 0 #0b0f11,0 8px 22px #ebba770c;padding:14px 19px;gap:32px;transition:background .2s,transform .2s}.cta span{font-size:17px;font-weight:400}.cta:hover{background:#f2cc98;filter:none;transform:translateY(-2px)}.secondary-cta{background:none;border:0;padding:12px 0;color:#c1c9ca;font-size:11px;display:flex;align-items:center;gap:16px}.secondary-cta:hover{color:var(--mud)}.secondary-cta span{font-size:17px}.facts{margin-top:45px;gap:0;flex-wrap:nowrap;max-width:400px;padding-top:27px;border-top:1px solid #ffffff10}.facts>div{padding:0 24px;border-right:1px solid #ffffff12;flex:1}.facts>div:first-child{padding-left:0}.facts>div:last-child{border:0;padding-right:0}.facts div b{font-size:36px;font-weight:500;letter-spacing:-1px;line-height:1.1}.facts div>span{display:block;font-size:10px;margin-top:8px;white-space:nowrap;color:#8c9da4}.hero-footnote{display:flex;align-items:center;gap:12px;font:7px var(--f-mono);letter-spacing:1.3px;color:#7e9097;margin-top:35px}.hero-footnote i{width:2px;height:2px;background:#7b9097;border-radius:50%}
/* The original animated SVG is the hero's bespoke engineering illustration. */
.strip{position:relative;border-radius:9px;border:1px solid #344147;background:#142027;box-shadow:0 22px 55px #0002,inset 0 1px #ffffff05;padding:51px 0 57px;isolation:isolate;align-self:stretch;min-height:550px}.strip>svg{width:100%;height:440px;max-height:none;overflow:visible;position:relative;z-index:-1}.strip svg text{font:8px var(--f-mono);fill:#b1bfc3;letter-spacing:.2px}.plot-header{position:absolute;top:0;left:0;right:0;height:44px;background:#152027;border-bottom:1px solid #ffffff0b;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:0 18px;font:7px var(--f-mono);letter-spacing:1px;color:#8fa3ac;z-index:2}.plot-header>span:first-child{color:#c5cfce;display:flex;align-items:center;gap:7px}.plot-header i{width:4px;height:4px;background:var(--mud);border-radius:50%}.depth{left:18px;right:auto;bottom:21px;border:0;background:transparent;box-shadow:none;border-radius:0;padding:0;backdrop-filter:none;z-index:2}.depth b{font:500 30px/1 var(--f-head);font-variant-numeric:tabular-nums;letter-spacing:-.5px;color:#f2c790}.depth span{font:7px var(--f-mono);letter-spacing:.9px;display:block;margin-top:7px}.pause-preview{position:absolute;right:15px;bottom:27px;font:9px var(--f-mono);background:#162126;border:1px solid #ffffff15;border-radius:4px;padding:7px 10px;color:#afbec3;z-index:4}.pause-preview:hover{border-color:#ebba7780;color:var(--mud)}.plot-note{position:absolute;right:16px;bottom:10px;font:5.5px var(--f-mono);letter-spacing:.6px;color:#a5b5bc;z-index:2}.preview-frozen{position:absolute;inset:51px 0 57px;z-index:1;pointer-events:none;background:#142027}.preview-frozen svg{width:100%;height:440px;overflow:visible}.preview-frozen .beacon,.preview-frozen .mud{animation:none!important}.frozen-depth{position:absolute;left:18px;bottom:21px;z-index:3;background:#142027;padding:0 10px 0 0}.frozen-depth b{font:500 30px/1 var(--f-head);color:#f2c790;display:block;letter-spacing:-.5px}.frozen-depth span{font:7px var(--f-mono);letter-spacing:.9px;display:block;margin-top:7px;color:var(--muted)}
/* A compact, indexed library rather than a wall of generic cards. */
.tools{max-width:1440px;padding:18px 42px 40px;scroll-margin-top:25px}.library-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:25px}.library-heading .eyebrow{font-size:8px;color:#819297;margin-bottom:11px}.tools h2{font:500 32px/1.1 var(--f-head);letter-spacing:-.6px;margin:0}.tools h2 span{color:#819298}.tool-search{display:flex;align-items:center;gap:10px;border:1px solid #344045;border-radius:5px;background:#171d20;padding:10px 12px;width:230px;flex-shrink:0}.tool-search svg{width:16px;height:16px;color:#8b9ca4;flex:none}.tool-search input{width:100%;min-width:0;border:0;background:none;color:var(--paper);font:11px var(--f-body);outline:none;padding:0}.tool-search input::placeholder{color:#87969d}.tool-search:focus-within{border-color:var(--mud);box-shadow:0 0 0 2px #ebba7712}.tool-search kbd{font:9px var(--f-mono);border:1px solid #344045;padding:1px 5px;border-radius:3px;color:#83969e}.library-toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:25px 0 22px;border-bottom:1px solid #ffffff10}.filters{display:flex;gap:24px;overflow-x:auto;scrollbar-width:none}.filters button{font-size:10px;color:#9aa8ae;border:0;border-bottom:2px solid transparent;background:none;padding:12px 0 15px;white-space:nowrap;transition:color .2s}.filters button span{font:8px var(--f-mono);background:#ebba7710;color:var(--mud);padding:3px 5px;border-radius:3px;margin-left:6px}.filters button.active{color:var(--mud);border-bottom-color:var(--mud)}.filters button:hover{color:var(--paper)}.tool-count{font:7px var(--f-mono);letter-spacing:1px;color:#7f939b;white-space:nowrap}.cards{grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.c{background:linear-gradient(125deg,#1c2327,#171d20);border:1px solid #ffffff0e;border-radius:7px;padding:20px;gap:0;min-height:245px;box-shadow:inset 0 1px #ffffff03;transition:transform .2s,border-color .2s,background .2s,box-shadow .2s}.c:before{display:none}.c:hover{transform:translateY(-3px);border-color:#ebba7755;background:linear-gradient(125deg,#222b2f,#192024);box-shadow:0 10px 30px #0002}.card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;width:100%}.icon-box{display:grid;place-items:center;width:39px;height:39px;border-radius:7px;border:1px solid #e5bc7520;background:#ebba7708}.c svg{width:25px;height:25px;stroke-width:1.7;margin:0;color:var(--mud)}.c .card-index{font:8px var(--f-mono);letter-spacing:1px;color:#71848d}.c b{font-family:var(--f-body);font-size:15px;font-weight:500;letter-spacing:-.2px;line-height:1.3;margin-bottom:9px}.c>span{font-size:11px;line-height:1.7;color:#9ba9af;max-width:95%}.c i{display:flex;justify-content:space-between;align-items:center;width:100%;font:8px var(--f-mono);letter-spacing:.7px;padding-top:22px;color:#879aa2}.c i strong{font-size:18px;line-height:1;font-weight:400;color:#d8c5a7;transition:transform .2s}.c:hover i strong{transform:translate(2px,-2px);color:var(--mud)}.c:nth-child(2) .icon-box,.c:nth-child(3) .icon-box{border-color:#9cbbb820;background:#9cbbb808}.c:nth-child(2) svg,.c:nth-child(3) svg{color:#9cbbb8}.c:nth-child(5) .icon-box,.c:nth-child(6) .icon-box{border-color:#9baec920;background:#9baec908}.c:nth-child(5) svg,.c:nth-child(6) svg{color:#9baec9}.c[hidden],.empty-state[hidden]{display:none}.empty-state{border:1px dashed var(--line);border-radius:7px;padding:40px;text-align:center}.empty-state h3{font:500 25px var(--f-head);margin:0 0 10px}.empty-state p{font-size:12px;color:var(--muted)}.empty-state button{border:1px solid #ebba7735;background:#ebba7710;color:var(--mud);border-radius:5px;padding:9px 15px;font-size:11px;margin-top:12px}.workspace-footer{max-width:1356px;margin:0 42px;padding:22px 0 30px;border-top:1px solid #ffffff0e;display:flex;align-items:center;justify-content:space-between;gap:20px;font:7px var(--f-mono);letter-spacing:1px;color:#74868e}.workspace-footer i{font-style:normal;margin:0 8px;color:#b6a17f}.workspace-footer>span:nth-child(2){font-family:var(--f-body);font-size:10px;letter-spacing:.2px}.workspace-footer button{font:7px var(--f-mono);letter-spacing:1px;border:0;background:none;color:#b6c0c2;padding:5px 0}.workspace-footer button:hover{color:var(--mud)}
/* Embedded tools retain their existing UI and get the full available stage. */
body.tool .rail{width:226px}.bar{padding:13px 20px;background:#14191c;border-bottom:1px solid #ffffff10;min-height:62px}.bar b{font-family:var(--f-body);font-size:12px;font-weight:500}.bar button,.bar a{font-size:10px;background:#1b2327;border:1px solid #ffffff15;border-radius:4px;padding:8px 12px}.bar a{color:var(--mud)}iframe{min-height:0}.overview:disabled{opacity:1}
@media(min-width:1800px){.workspace-footer{margin-left:auto;margin-right:auto;width:calc(100% - 84px)}}
@media(max-width:1200px){.rail{width:215px;padding-left:12px;padding-right:12px}.brand b{font-size:22px}.brand span{font-size:6px}.brand svg{width:31px;height:31px}.workspace-header{padding:25px 28px}.hero{padding:30px 28px;gap:22px;grid-template-columns:minmax(0,1fr) minmax(280px,.9fr)}.hero h1{font-size:62px}.hero p{font-size:13px}.hero-actions{gap:15px}.cta{font-size:11px;padding:12px 15px;gap:18px}.secondary-cta{font-size:10px;gap:10px}.facts>div{padding:0 17px}.facts div>span{font-size:9px}.facts div b{font-size:32px}.hero-footnote{gap:8px;font-size:6px;letter-spacing:1px}.strip{min-height:525px}.strip>svg,.preview-frozen svg{height:415px}.plot-header{padding:0 12px;font-size:6px;letter-spacing:.5px}.tools{padding:15px 28px 35px}.tools h2{font-size:28px}.filters{gap:20px}.tool-count{display:none}.c{padding:17px;min-height:250px}.c b{font-size:14px}.c>span{font-size:10px}.workspace-footer{margin:0 28px}.workspace-footer>span:nth-child(2){display:none}}
@media(max-width:1000px) and (min-width:761px){.rail{width:188px}.brand{gap:8px}.brand b{font-size:20px}.brand span{font-size:5px}.brand svg{width:28px;height:28px}.overview{font-size:10px;padding:11px 7px}.overview i{display:none}.t{padding:11px 7px;gap:8px}.t b{font-size:10px}.rail-caption{font-size:7px}.hero{grid-template-columns:1fr;position:relative;padding:35px 28px}.hero-copy{padding:0 0 12px}.hero h1{font-size:70px}.hero p{max-width:90%}.strip{min-height:415px;margin-top:10px}.strip>svg,.preview-frozen svg{height:320px}.facts{max-width:420px}.hero-footnote{margin-top:24px}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.library-heading{align-items:flex-start}.tool-search{width:185px}.library-heading h2{font-size:25px}.header-link{font-size:9px;gap:10px}.workspace-header h2{font-size:15px}.bar{padding:10px}.bar b{font-size:10px}body.tool .rail{width:188px}}
/* Restore the base shell's narrow-screen overrides deliberately. */
@media(min-width:761px) and (max-width:900px){body{flex-direction:row;height:100%;min-height:0}.rail{flex-direction:column;max-height:none;overflow-x:hidden;overflow-y:auto;border-right:1px solid #ffffff0b;border-bottom:0}#list{display:block}.t{width:100%;border:1px solid transparent}.t.on{border:1px solid #ebba7730}.grp{display:flex}.brand{flex:none}.hero{padding:35px 28px}.tools{padding:15px 28px 35px}iframe{min-height:0}}
@media(max-width:760px){html,body{height:100%;min-height:0;overflow:hidden}body{flex-direction:column}.rail,body.tool .rail{width:100%;padding:0 18px;flex-direction:row;align-items:center;height:74px;min-height:74px;overflow:visible;border-right:0;border-bottom:1px solid #ffffff0b}.brand{padding:0;gap:10px;flex:none}.brand svg{width:32px;height:32px}.brand b{font-size:22px}.brand span{font-size:6px}.overview{width:auto;margin-left:auto;padding:10px;border:0}.overview span,.overview i{display:none}.overview svg{width:20px;height:20px}.rail-caption,.rail-footer,.rail #list{display:none}.workspace-header{padding:22px 22px 20px}.workspace-header h2{font-size:16px}.breadcrumb{font-size:7px;letter-spacing:1px}.header-link{font-size:9px;gap:8px}.hero{grid-template-columns:1fr;padding:28px 22px 30px;gap:30px}.hero-copy{padding:0}.hero h1{font-size:clamp(52px,9.5vw,78px);letter-spacing:-1.8px;margin:24px 0 20px}.hero p{font-size:13px;max-width:450px;margin-bottom:24px}.eyebrow{font-size:8px;letter-spacing:1.3px}.hero-actions{gap:23px}.cta{padding:13px 17px;gap:28px;font-size:11px}.secondary-cta{font-size:11px;gap:12px}.facts{margin-top:32px;padding-top:24px;max-width:450px}.facts div b{font-size:34px}.facts div>span{font-size:9px}.facts>div{padding:0 20px}.hero-footnote{margin-top:25px;font-size:6px;gap:10px;letter-spacing:1.3px}.strip{min-height:490px;margin-top:5px;padding-top:45px;padding-bottom:57px}.strip>svg,.preview-frozen svg{height:385px}.preview-frozen{top:45px}.plot-header{font-size:6px;padding:0 14px;letter-spacing:1px}.depth b,.frozen-depth b{font-size:29px}.tools{padding:10px 22px 30px}.library-heading{display:block}.tools h2{font-size:30px}.tool-search{margin-top:24px;width:100%;padding:12px}.tool-search input{font-size:12px}.library-toolbar{margin:15px 0 20px}.filters{width:100%;gap:24px}.filters button{font-size:10px}.cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.c{min-height:255px;padding:17px}.card-top{margin-bottom:23px}.c b{font-size:14px}.c>span{font-size:11px;max-width:100%}.c i{font-size:7px}.c .card-index{font-size:7px}.workspace-footer{margin:0 22px;flex-wrap:wrap;gap:15px;padding:20px 0 25px}.workspace-footer>span{font-size:6px}.workspace-footer button{font-size:6px}.bar{gap:8px;padding:10px 12px;min-height:55px}.bar b{font-size:11px}.bar button,.bar a{font-size:9px;padding:7px 9px;white-space:nowrap}body.tool main{flex:1;min-height:0}iframe{min-height:0;flex:1}.empty-state{padding:30px 15px}}
@media(max-width:430px){.header-link{display:none}.hero h1{font-size:58px}.desktop-break{display:none}.hero-actions{gap:20px}.cta{gap:25px}.facts>div{padding:0 16px}.hero-footnote{font-size:5.5px;gap:10px}.cards{grid-template-columns:1fr}.c{min-height:205px;padding:22px}.c b{font-size:17px}.c>span{font-size:12px}.card-top{margin-bottom:20px}.c i{padding-top:20px;font-size:8px}.c .card-index{font-size:8px}.card-top .icon-box{width:41px;height:41px}.tools h2{font-size:30px}.bar b{max-width:120px}.plot-header{font-size:5.5px;letter-spacing:.7px}}
@media(prefers-reduced-motion:reduce){#home{scroll-behavior:auto}.c:hover,.cta:hover{transform:none}.pause-preview{display:none}.beacon,.mud{animation:none}}