:root{--ti-blue:#8897a8;--ti-light-blue:#748595;--ti-accent:#657d8c;--bg-dark:#7b8996;--text-main:#3f4b55;--text-light:#f7f8f9;--bg-gray:#f3f5f6;--line:#d7dde2;--muted:#69757e;--success:#607a70;--shadow:0 10px 28px rgba(69,82,93,.12);--calc-scale:1}
*{box-sizing:border-box}html{scroll-behavior:smooth;margin:0!important;padding:0!important}body{margin:0!important;padding:0!important;font-family:"Segoe UI",Roboto,Helvetica,Arial,sans-serif;line-height:1.62;color:var(--text-main);background:#fff}a{color:var(--ti-light-blue)}img{max-width:100%;height:auto}.skip-link{position:absolute;left:-9999px;top:8px;background:#fff;color:#000;padding:8px 12px;z-index:9999}.skip-link:focus{left:8px}.container{width:min(100% - 40px,1000px);margin-inline:auto;padding:40px 0}.site-header{background:var(--ti-blue)!important;color:var(--text-light)!important;position:sticky!important;top:0!important;z-index:5000!important;box-shadow:0 2px 8px rgba(0,0,0,.2)!important}.site-header>nav{width:min(100% - 40px,1200px)!important;margin:0 auto!important;min-height:68px!important;display:flex!important;align-items:center!important;justify-content:space-between!important;position:relative!important;padding:0!important;background:transparent!important}.logo{font-weight:800!important;font-size:1.5rem!important;color:#fff!important;text-decoration:none!important;letter-spacing:-.02em}.logo span{color:var(--ti-accent)!important}#navMenu{list-style:none!important;display:flex!important;align-items:center!important;gap:22px!important;margin:0!important;padding:0!important;background:transparent!important}#navMenu>li{margin:0!important;padding:0!important;position:relative!important}#navMenu>li>a{color:#fff!important;text-decoration:none!important;font-weight:650!important;padding:21px 0!important;display:block!important;background:transparent!important;font-size:.96rem!important}#navMenu>li>a:hover,#navMenu>li>a:focus-visible{color:var(--ti-accent)!important}.menu-toggle{display:none!important;background:transparent!important;border:1px solid rgba(255,255,255,.35)!important;border-radius:7px!important;color:#fff!important;font-size:1.4rem!important;line-height:1!important;padding:8px 10px!important;cursor:pointer!important}.dropdown{display:none!important;position:absolute!important;top:100%!important;left:-18px!important;min-width:245px!important;list-style:none!important;margin:0!important;padding:8px!important;background:var(--ti-blue)!important;border:1px solid rgba(255,255,255,.12)!important;border-radius:0 0 9px 9px!important;box-shadow:0 12px 26px rgba(0,0,0,.25)!important;z-index:6000!important}.nav-item:hover>.dropdown,.nav-item:focus-within>.dropdown{display:block!important}.dropdown li{margin:0!important;padding:0!important}.dropdown a{display:block!important;color:#fff!important;text-decoration:none!important;padding:10px 12px!important;border-radius:6px!important;font-size:.9rem!important}.dropdown a:hover,.dropdown a:focus-visible{background:var(--ti-light-blue)!important;color:#fff!important}
.hero{background:linear-gradient(135deg,var(--ti-blue),var(--bg-dark));color:#fff;text-align:center;padding:54px 20px 64px}.hero-inner{width:min(100%,1120px);margin:auto}.hero h1{font-size:clamp(2.15rem,5vw,3.25rem);line-height:1.08;letter-spacing:-.035em;margin:0 0 13px;color:#fff}.hero .lede{font-size:1.12rem;max-width:820px;margin:0 auto 34px;color:#e8f1f6}.trust-strip{list-style:none;display:flex;justify-content:center;gap:28px;margin:32px 0 0;padding:0;flex-wrap:wrap}.trust-strip li{font-weight:750;color:var(--ti-accent)}.calc-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:24px;align-items:start;max-width:980px;margin:0 auto}.calc-wrapper{min-width:0}.calc-panel{overflow:hidden;border:1px solid rgba(255,255,255,.16);border-radius:15px;background:#f0f4f5;box-shadow:0 16px 44px rgba(0,0,0,.32)}.calculator-fullscreen-target{background:#f0f4f5}.calc-toolbar{display:flex;justify-content:center;align-items:center;padding:11px;border-bottom:1px solid #d4dde2;background:#fff}.zoom-controls{display:flex;justify-content:center;align-items:center;gap:7px;flex-wrap:wrap}.zoom-controls button{min-width:42px;height:38px;padding:0 12px;border:1px solid #b9c7d1;border-radius:7px;background:linear-gradient(#fff,#f4f7f9);color:var(--ti-blue);font-weight:800;cursor:pointer;box-shadow:0 2px 0 rgba(0,0,0,.08)}.zoom-controls button:active{transform:translateY(1px);box-shadow:none}.zoom-label{min-width:58px;color:#172634;font-weight:850}.calculator-stage{min-height:calc(645px * var(--calc-scale));display:flex;justify-content:center;align-items:flex-start;padding:8px 7px 18px;overflow:auto;background:#eef3f4}.calculator-stage.is-loading{background:linear-gradient(100deg,#edf2f4 35%,#fff 50%,#edf2f4 65%);background-size:300% 100%;animation:load 1.45s linear infinite}@keyframes load{to{background-position:-300% 0}}.calculator-shell{position:relative;display:inline-block;transform:scale(var(--calc-scale));transform-origin:top center;isolation:isolate;overflow:visible}.calculator-shell.brand-light:before{content:"";position:absolute;top:5px;left:11px;width:104px;height:15px;background:#080808;border-radius:2px;z-index:2147483647;pointer-events:none}.calculator-shell.brand-minimized:after{content:"";position:absolute;top:5px;right:11px;width:100px;height:15px;background:#080808;border-radius:2px;z-index:2147483647;pointer-events:none}#calculatorDiv{outline:none!important;margin-inline:auto!important;position:relative;filter:drop-shadow(0 -1.25px 0 rgba(211,215,218,.96)) drop-shadow(-2px 0 0 rgba(151,157,161,.82)) drop-shadow(2px 0 0 rgba(163,169,173,.82)) drop-shadow(0 4px 0 rgba(115,121,125,.72)) drop-shadow(0 8px 8px rgba(19,27,31,.18))}.runtime-status{margin:0;padding:9px 12px;border-top:1px solid #d4dde2;background:#fff;color:#667887;text-align:left;font-size:.79rem}.runtime-status.is-ready{color:var(--success)}.runtime-error{max-width:520px;margin:28px auto;padding:18px;border:1px solid #e1bf63;border-radius:12px;background:#fff7dc;color:#624b14}.runtime-error p{margin:6px 0 12px}.runtime-error .button{border:0}.workflows{background:rgba(0,0,0,.28);padding:20px;border-radius:12px;border:1px solid rgba(255,255,255,.12);text-align:left}.workflows h2{margin:0 0 5px;color:var(--ti-accent);font-size:1.15rem}.workflows>p{margin:0 0 13px;color:#dce8ee;font-size:.88rem}.workflow-link{display:grid;grid-template-columns:38px 1fr auto;align-items:center;gap:10px;color:#fff;text-decoration:none;border-top:1px solid rgba(255,255,255,.15);padding:13px 0}.workflow-link:first-of-type{border-top:0}.workflow-link:hover strong{color:var(--ti-accent)}.workflow-icon{display:grid;place-items:center;width:36px;height:36px;border:1px solid rgba(255,255,255,.26);border-radius:8px;background:rgba(255,255,255,.08);font-size:.69rem;font-weight:900}.workflow-link strong{display:block;color:#fff;font-size:.9rem}.workflow-link small{display:block;color:#c8d7de;font-size:.72rem}.connection-note{margin:14px 0 0;color:#cbdbe2;font-size:.75rem;text-align:left}.calculator-fullscreen-target:fullscreen{width:100%;height:100%;display:flex;flex-direction:column;border:0;border-radius:0;background:#f1f4f5}.calculator-fullscreen-target:fullscreen .calculator-stage{flex:1;min-height:0;align-items:center}.calculator-fullscreen-target:fullscreen .calc-toolbar,.calculator-fullscreen-target:fullscreen .runtime-status{flex:0 0 auto}.calculator-fullscreen-target.is-pseudo-fullscreen{position:fixed!important;inset:0!important;width:100vw!important;height:100dvh!important;max-width:none!important;margin:0!important;border:0!important;border-radius:0!important;z-index:2147483000!important;background:#f1f4f5!important;display:flex!important;flex-direction:column!important;overflow:hidden!important;box-shadow:none!important}.calculator-fullscreen-target.is-pseudo-fullscreen .calc-toolbar{flex:0 0 auto!important;padding:calc(8px + env(safe-area-inset-top,0px)) max(8px,env(safe-area-inset-right,0px)) 8px max(8px,env(safe-area-inset-left,0px))!important;background:#fff!important}.calculator-fullscreen-target.is-pseudo-fullscreen .calculator-stage{flex:1 1 auto!important;min-height:0!important;height:auto!important;padding:6px max(4px,env(safe-area-inset-right,0px)) calc(6px + env(safe-area-inset-bottom,0px)) max(4px,env(safe-area-inset-left,0px))!important;display:flex!important;align-items:center!important;justify-content:center!important;overflow:auto!important;-webkit-overflow-scrolling:touch}.calculator-fullscreen-target.is-pseudo-fullscreen .runtime-status{display:none!important}body.calculator-overlay-open{overflow:hidden!important}
.section{padding:58px 0}.section.alt{background:var(--bg-gray)}.section h2,.content-grid h1,.content-grid h2,.content-grid h3{color:var(--ti-blue)}.section h2{font-size:clamp(1.75rem,4vw,2.45rem);line-height:1.15;margin:0 0 12px}.section-intro{max-width:780px;margin:0 auto 28px;text-align:center;color:var(--muted)}.grid-features{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.feature-card{padding:20px;border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:0 5px 18px rgba(18,48,70,.04)}.feature-card h3{margin:0 0 7px;color:var(--ti-blue)}.feature-card p{margin:0;color:var(--muted)}.btn{display:inline-block;padding:11px 20px;background:var(--ti-accent);color:#fff;text-decoration:none;border-radius:7px;font-weight:800}.btn:hover{background:var(--ti-light-blue)}.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:13px;margin-top:22px}.step{padding:18px;border:1px solid var(--line);border-radius:11px;background:#fff}.step:before{counter-increment:step;content:counter(step);display:grid;place-items:center;width:31px;height:31px;border-radius:50%;background:var(--ti-blue);color:#fff;font-weight:800;margin-bottom:10px}.step strong{display:block;color:var(--ti-blue)}.step p{margin:5px 0 0;color:var(--muted);font-size:.9rem}.faq details{background:#fff;border:1px solid var(--line);border-radius:8px;padding:14px 16px;margin-bottom:10px}.faq summary{font-weight:800;color:var(--ti-blue);cursor:pointer}.faq p{margin:9px 0 0;color:var(--muted)}
.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:40px;width:min(100% - 40px,1120px);margin:0 auto;padding:48px 0}.content-grid article{min-width:0}.content-grid h1{font-size:clamp(2rem,4vw,3rem);line-height:1.1;letter-spacing:-.03em;margin:0 0 18px}.content-grid h2{margin:32px 0 10px;font-size:1.55rem}.content-grid h3{margin:22px 0 8px}.content-grid p{margin:0 0 15px}.content-grid ol,.content-grid ul{padding-left:24px}.content-grid li{margin:6px 0}.content-grid code,.content-grid kbd{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.content-grid kbd{padding:2px 6px;border:1px solid #c7d1d8;border-bottom-width:2px;border-radius:5px;background:#f5f7f8;color:#1b3246;font-weight:700}.content-grid pre{overflow:auto;padding:15px;border:1px solid var(--line);border-radius:8px;background:#f4f6f8}.breadcrumbs{font-size:.85rem;color:var(--muted);margin-bottom:16px}.breadcrumbs a{text-decoration:none}.sidebar{background:var(--bg-gray);padding:20px;border-radius:10px;height:fit-content;position:sticky;top:90px;border:1px solid var(--line)}.sidebar h2,.sidebar h3{margin-top:0}.sidebar ul{list-style:none;padding:0;margin:0}.sidebar li{margin:8px 0}.sidebar a{text-decoration:none;font-weight:650}.sidebar a:hover{text-decoration:underline}.notice{padding:14px 16px;border-left:4px solid var(--ti-accent);background:#edf8fb;border-radius:5px;margin:20px 0}.policy-links{display:grid;gap:8px;margin:18px 0}.policy-links a{font-weight:700}.models-table{width:100%;border-collapse:collapse;margin:18px 0}.models-table th,.models-table td{padding:12px;border:1px solid var(--line);text-align:left;vertical-align:top}.models-table th{background:var(--bg-gray);color:var(--ti-blue)}
footer{background:var(--bg-dark);color:#aebbc4;padding:38px 0;margin-top:36px}footer .container{padding:0}.footer-inner{text-align:center}.footer-brand{color:#e8f0f4;font-weight:700}.footer-inner nav{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin:12px 0}.footer-inner a{color:#d9e7ed;text-decoration:none}.footer-inner a:hover{text-decoration:underline}.legal{max-width:900px;margin:11px auto 0;font-size:.82rem;color:#9fb0bb}
@media(max-width:900px){.calc-layout{grid-template-columns:1fr}.workflows{max-width:620px;width:100%;margin-inline:auto}.grid-features{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr 1fr}.content-grid{grid-template-columns:1fr}.sidebar{position:static}.calculator-stage{min-height:calc(645px * var(--calc-scale))}}
@media(max-width:768px){.site-header>nav{width:min(100% - 28px,1200px);min-height:62px!important}.menu-toggle{display:block!important}#navMenu{display:none!important;position:absolute!important;top:62px!important;left:-14px!important;right:-14px!important;width:auto!important;flex-direction:column!important;align-items:stretch!important;gap:0!important;padding:10px 14px 16px!important;background:var(--ti-blue)!important;border-top:1px solid rgba(255,255,255,.13)!important;box-shadow:0 12px 18px rgba(0,0,0,.22)!important}#navMenu.active{display:flex!important}#navMenu>li>a{padding:10px 8px!important}.dropdown{position:static!important;display:block!important;min-width:0!important;box-shadow:none!important;border:0!important;border-radius:7px!important;background:var(--bg-dark)!important;padding:5px!important;margin-bottom:5px!important}.dropdown a{padding:8px 11px!important}.hero{padding:42px 14px 52px}.hero .lede{font-size:1rem}.trust-strip{gap:14px 20px}.calculator-stage{padding-inline:0}.zoom-controls{width:100%;display:grid;grid-template-columns:40px 52px 40px 1fr 1fr;gap:5px}.zoom-controls button{min-width:0;width:100%;padding:0 5px;font-size:.78rem}.zoom-label{min-width:0;font-size:.8rem}.grid-features{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.container{width:min(100% - 28px,1000px)}.content-grid{width:min(100% - 28px,1120px);padding-top:34px}.models-table{font-size:.88rem}.models-table th,.models-table td{padding:9px}}
@media(max-width:430px){.logo{font-size:1.3rem!important}.hero h1{font-size:2.08rem}.zoom-controls{grid-template-columns:36px 45px 36px 1fr 1fr}.workflows{padding:17px}.workflow-link{grid-template-columns:34px 1fr auto}.workflow-icon{width:33px;height:33px}}


/* ===== V1.1 Academic gray palette + external-runtime reset ===== */
html,body{margin:0!important;padding:0!important;min-height:100%;background:#f7f8f9!important}
body>.site-header:first-of-type{margin-top:0!important}
.site-header{margin:0!important;background:#8897a8!important;color:#26343e!important;box-shadow:0 2px 8px rgba(63,75,85,.12)!important}
.site-header>nav{margin-top:0!important}
.logo{color:#26343e!important;font-size:1.18rem!important;letter-spacing:-.015em!important;white-space:nowrap}
#navMenu>li>a{color:#2f3d47!important}
#navMenu>li>a:hover,#navMenu>li>a:focus-visible{color:#eef1f3!important}
.menu-toggle{color:#2f3d47!important;border-color:rgba(47,61,71,.34)!important}
.dropdown{background:#eef1f3!important;border-color:#cfd6dc!important;box-shadow:0 10px 24px rgba(63,75,85,.14)!important}
.dropdown a{color:#33414b!important}
.dropdown a:hover,.dropdown a:focus-visible{background:#dce2e6!important;color:#33414b!important}
.hero{background:linear-gradient(135deg,#edf0f2 0%,#dfe4e8 100%)!important;color:#35434d!important;border-bottom:1px solid #d1d8de}
.hero h1{color:#34424c!important}
.hero .lede{color:#56636d!important}
.trust-strip li{color:#617787!important}
.calc-panel{border-color:#cbd3d9!important;background:#e4e9ec!important;box-shadow:0 12px 30px rgba(69,82,93,.15)!important}
.calculator-fullscreen-target{background:#e4e9ec!important}
.calc-toolbar{background:#f5f6f7!important;border-bottom-color:#d4dadd!important}
.zoom-controls button{border-color:#c2cbd2!important;background:#f4f6f7!important;color:#485762!important;box-shadow:0 1px 2px rgba(63,75,85,.08)!important}
.zoom-controls button:hover{background:#e8ecef!important}
.zoom-label{color:#46545f!important}
.calculator-stage{background:#e1e6e9!important}
.calculator-stage.is-loading{background:linear-gradient(100deg,#e2e7ea 35%,#f2f4f5 50%,#e2e7ea 65%)!important;background-size:300% 100%!important}
.runtime-status{background:#f5f6f7!important;border-top-color:#d4dadd!important;color:#65717a!important}
.workflows{background:#d7dee3!important;border-color:#c5ced5!important;color:#3f4c55!important;box-shadow:0 8px 20px rgba(69,82,93,.08)!important}
.workflows h2{color:#526a79!important}
.workflows>p,.connection-note{color:#66727b!important}
.workflow-link{color:#3f4c55!important;border-top-color:#c1cbd2!important}
.workflow-link strong{color:#3b4953!important}
.workflow-link small{color:#68757e!important}
.workflow-link:hover strong{color:#526a79!important}
.workflow-icon{border-color:#b8c3cb!important;background:#edf0f2!important;color:#4d6170!important}
.section h2,.content-grid h1,.content-grid h2,.content-grid h3,.feature-card h3,.step strong,.faq summary,.models-table th{color:#566572!important}
.section.alt,.sidebar,.models-table th{background:#f1f3f4!important}
.feature-card,.step,.faq details{border-color:#d7dde2!important;box-shadow:none!important}
.btn{background:#748695!important;color:#fff!important}
.btn:hover{background:#657786!important}
.step:before{background:#8897a8!important;color:#273640!important}
.notice{border-left-color:#8897a8!important;background:#eef1f3!important}
a{color:#5a7080}
footer{background:#8897a8!important;color:#34434d!important;box-shadow:none!important}
.footer-brand{color:#2f3e48!important;font-weight:750!important}
.footer-inner a{color:#354752!important}
.legal{color:#485964!important}
.calculator-fullscreen-target:fullscreen,.calculator-fullscreen-target.is-pseudo-fullscreen{background:#e4e9ec!important}
.calculator-fullscreen-target.is-pseudo-fullscreen .calc-toolbar{background:#f5f6f7!important}
@media(max-width:768px){
  #navMenu{background:#8897a8!important;border-top-color:rgba(47,61,71,.18)!important;box-shadow:0 10px 18px rgba(63,75,85,.12)!important}
  .dropdown{background:#e7ebee!important}
  .logo{font-size:1rem!important}
}