@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;450;500;550;600;650;700;750;800&display=swap');
:root{--ink:#111827;--teal:#2563eb;--muted:#475569;--line:#e2e8f0;--bg:#fafbfc;--soft:#eff6ff;--navy:#0b1220;--radius:14px;--shadow:0 12px 32px #0b122008}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.7 Inter,Arial,sans-serif;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}button,a,input,select,textarea,summary{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{cursor:pointer;border:0}button,a,summary{touch-action:manipulation}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid #2563eb;outline-offset:5px}::selection{background:#dbeafe;color:#111827}.wrap{width:calc(100% - 96px);max-width:1240px;margin-inline:auto}
body>header{position:sticky;top:0;z-index:30;height:88px;padding-inline:max(48px,calc((100vw - 1240px)/2));display:flex;align-items:center;justify-content:space-between;gap:28px;background:#fafbfcf5;border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.brand{display:flex;align-items:center;font-size:25px;font-weight:750;letter-spacing:-1.1px;white-space:nowrap}.brand span{font-weight:450}.brand>b{background:var(--ink);color:#fff;display:grid;place-items:center;width:34px;height:34px;border-radius:9px;font-size:27px;margin-right:10px}.brand i{color:var(--teal);font-style:normal;margin-left:3px}nav{display:flex;gap:30px;font-size:14px;font-weight:500;color:var(--muted)}nav a{padding-block:12px;transition:color .2s}nav a:hover,nav a[aria-current]{color:var(--teal)}.outline{background:white;border:1px solid #cbd5e1;border-radius:8px;padding:10px 20px;font-size:14px;font-weight:550;color:var(--ink);box-shadow:0 2px 3px #0b122004}.outline:hover{border-color:var(--teal);color:var(--teal)}.menu-toggle{display:none}
.hero{display:grid;grid-template-columns:1.12fr 1fr;gap:58px;align-items:center;padding-block:98px 94px}.eyebrow{font-size:11px;letter-spacing:1.7px;font-weight:650;color:var(--teal)}h1{font-size:clamp(44px,4.55vw,66px);line-height:1.09;letter-spacing:-3.5px;font-weight:650;margin:26px 0}em{font-style:normal;color:var(--teal)}h1>span{color:#64748b}p{color:var(--muted);line-height:1.8}small{font-size:14px;color:#64748b;line-height:1.65}.hero>div>p{max-width:525px;font-size:18px;line-height:1.8}.actions{display:flex;gap:24px;align-items:center;flex-wrap:wrap;margin:30px 0 16px}.actions a{font-size:14px;font-weight:550}.actions a:hover{color:var(--teal)}.primary{background:var(--teal);color:white;padding:16px 22px;border-radius:8px;font-size:14px;font-weight:600;box-shadow:0 3px 5px #1d4ed81a,inset 0 1px #ffffff20;transition:transform .2s,background .2s,box-shadow .2s}.primary:hover{transform:translateY(-2px);background:#1d4ed8;box-shadow:0 6px 18px #2563eb24}
.diagram{position:relative;padding:25px;background-color:#f2f5fa;background-image:radial-gradient(#cbd5e180 .8px,transparent .8px);background-size:18px 18px;border:1px solid #dce3ed;border-radius:16px;box-shadow:0 24px 65px #0b12200a,0 3px 6px #0b122004}.diagram-head{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:10px;letter-spacing:1px;color:#334155;margin-bottom:28px;font-weight:600}.diagram-head span{color:#64748b;font-size:9px;background:#fff;border:1px solid var(--line);border-radius:4px;padding:4px 7px}.node{padding:19px 16px;display:flex;align-items:center;gap:13px;background:#fff;border:1px solid #dce3ed;border-radius:9px;box-shadow:0 3px 6px #0b122004}.node small{display:block;font-size:10px;letter-spacing:.8px;margin-bottom:4px}.node strong{font-size:14px;font-weight:550}.node i{margin-left:auto;color:var(--teal);font-style:normal}.icon{color:var(--teal);font-size:24px;font-weight:400;background:var(--soft);width:36px;height:36px;display:grid;place-items:center;border-radius:8px;flex-shrink:0}.line{height:29px;width:1px;background:#b5c7e4;margin:auto;position:relative}.line:after{content:'';width:5px;height:5px;border-radius:50%;background:var(--teal);position:absolute;top:0;left:-2px;animation:flow 2.8s infinite}.engine{background:#111d34;color:#fff;border-color:#223453;box-shadow:0 6px 14px #0b122012}.engine .icon{background:#233b63;color:#93bbff}.engine i{color:#93bbff}.engine small{color:#a7bfdf}.branches{height:24px;border:1px solid #b5c7e4;border-bottom:0;width:69%;margin:20px auto 0;position:relative}.branches:before{content:'';position:absolute;left:50%;height:44px;border-left:1px solid #b5c7e4;top:-20px}.mini{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.mini>div{padding:13px 4px;text-align:center;background:#fff;border:1px solid #dce3ed;border-radius:8px;font-size:22px;color:var(--teal)}.mini small,.mini b{display:block;font-size:11px;margin-top:5px}.mini b{color:#334155;font-weight:550}.output{background:#eff6ff;border-color:#c9ddfb}.output small{font-size:11px;letter-spacing:0;margin:4px 0 0}.diagram-foot{text-align:center;font-size:11px;color:#475569;margin-top:22px}.caption{display:block;text-align:center;font-size:13px;color:#64748b;line-height:1.8;margin-top:24px}.diagram .caption{font-size:10px;margin:10px 0 0}
.proof{display:grid;grid-template-columns:1fr 1fr 1fr 1.15fr;border-block:1px solid var(--line);padding-block:34px;align-items:center}.proof>div{border-right:1px solid var(--line);padding-inline:30px}.proof>div:first-child{padding-left:0}.proof b{font-size:44px;font-weight:550;letter-spacing:-2px;line-height:1.2}.proof b em{font-size:31px}.proof p{font-size:13px;margin:8px 0 0}.proof>p{padding-left:30px;font-size:14px}.tools{text-align:center;padding-block:54px 66px}.tools .eyebrow{color:#64748b}.tool-row{display:grid;grid-template-columns:repeat(6,1fr);gap:24px 32px;margin:32px auto;max-width:1080px;align-items:center;font-size:22px;letter-spacing:-.8px;color:#475569}.tool-row b{font-weight:600}.tools small{font-size:12px}
.section{padding-block:104px}.tint{background:#f1f4f8;border-block:1px solid var(--line)}.split{display:grid;grid-template-columns:1fr 1fr;gap:100px}h2{font-size:clamp(34px,3.4vw,46px);font-weight:600;line-height:1.17;letter-spacing:-2px;margin:20px 0 26px}h3{font-size:21px;font-weight:600;line-height:1.45;letter-spacing:-.65px}.problem-list article{display:flex;gap:24px;padding:22px 0;border-bottom:1px solid #d8e0eb}.problem-list article:first-child{padding-top:0}.problem-list small{padding-top:4px;font-size:12px;font-variant-numeric:tabular-nums;color:var(--teal)}.problem-list h3{margin:0;font-size:19px}.problem-list p{font-size:15px;margin:7px 0 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:32px;margin-bottom:42px}.section-head h2{margin-bottom:0}.section-head>p{font-size:16px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.cards article{display:flex;flex-direction:column;padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:white;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s,border-color .25s;overflow:hidden}.cards article:hover{transform:translateY(-5px);box-shadow:0 20px 42px #0b12200c;border-color:#b8cef1}.cards small{font-size:10px;letter-spacing:1.5px;color:var(--teal);font-weight:600}.cards h3{font-size:22px;line-height:1.4;margin:16px 0}.cards p{font-size:15px;margin-top:0;margin-bottom:26px}.cards footer{margin-top:auto;padding-top:20px;border-top:1px solid var(--line);font-size:12px;color:#1d4ed8;font-weight:500}.card-icon{margin:-26px -26px 26px;height:180px;background:#f6f8fc;border-bottom:1px solid var(--line);display:grid;place-items:center;padding:24px;color:var(--teal)}.mini-ui{width:100%;max-width:270px;background:white;border:1px solid #dde5ef;border-radius:9px;box-shadow:0 8px 16px #0b122006;padding:16px}.ui-row{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid #edf1f6}.ui-row:last-child{border:0}.ui-dot{width:23px;height:23px;background:#dbeafe;border-radius:6px;flex-shrink:0;display:grid;place-items:center;font-size:12px}.ui-bar{height:6px;border-radius:3px;background:#dce3ed;display:block;width:58%}.ui-bar.short{width:30%;background:#bfdbfe;margin-left:auto}.ui-check{color:#2563eb;font-size:13px;margin-left:auto}.signal-trace{width:100%;height:100%;overflow:visible}.ranking .ui-row:first-child{background:#eff6ff;margin:0 -8px;padding:9px 8px;border-radius:5px}.ranking .ui-bar.short{height:7px}
.workflow{background:var(--navy);color:#f8fafc;position:relative;overflow:hidden}.workflow .eyebrow{color:#83afff}.workflow>div>p{color:#a7b5cd}.interactive{display:grid;grid-template-columns:1fr 1.2fr;gap:64px;margin:46px 0 28px;align-items:stretch}#steps{display:flex;flex-direction:column;position:relative;gap:8px;padding-block:8px}#steps:before{content:'';position:absolute;left:34px;top:30px;bottom:30px;width:1px;background:#29374d}#steps button{position:relative;display:flex;align-items:center;min-height:72px;padding:15px 18px;border:1px solid transparent;border-radius:10px;background:none;color:#a9b6cc;text-align:left;font-size:15px;transition:background .2s,border-color .2s,color .2s}#steps button span{display:grid;place-items:center;flex-shrink:0;width:32px;height:32px;border:1px solid #334155;background:#0b1220;border-radius:8px;margin-right:20px;font-size:11px;font-variant-numeric:tabular-nums}#steps button[aria-selected=true]{background:#15223a;border-color:#365586;color:#fff}#steps button[aria-selected=true] span{background:#2563eb;border-color:#3976fb;color:white}#steps button:hover{background:#162137}#panel{padding:32px;background:#111d30;border:1px solid #2c3d57;border-radius:14px;color:#f8fafc;min-height:410px;display:flex;flex-direction:column;box-shadow:0 18px 35px #00000018}#panel>small{color:#8ab4ff;letter-spacing:1.5px;font-size:11px;font-weight:600}#panel h3{font-size:26px;margin:17px 0 10px;line-height:1.35}#panel p{font-size:16px;color:#b8c5d9;margin-top:0}#preview{padding:18px;border:1px solid #304561;border-radius:8px;background:#0b1424;line-height:1.7;font-size:13px;color:#b7cef2;margin-top:auto}.workflow-visual{height:70px;display:flex;align-items:center;gap:12px;margin-bottom:14px}.workflow-visual>i{display:grid;place-items:center;width:40px;height:40px;border:1px solid #304561;background:#111d30;border-radius:10px;font-style:normal;color:#64748b;flex-shrink:0}.workflow-visual>i.passed{border-color:#4779c7;color:#8ab4ff;background:#182d4d}.workflow-visual>i.current{background:#2563eb;color:#fff;border-color:#6197ff;box-shadow:0 0 0 5px #2563eb14}.workflow-visual>span{height:1px;background:#304561;flex:1}#next,.text{align-self:flex-start;background:none;color:#2563eb;padding:8px 0;margin-top:18px;font-size:14px;font-weight:600;min-height:44px}#next{color:#93bbff}.disclaimer{color:#94a3b8;font-size:13px}.panel-enter{animation:panel-in .28s ease-out}
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin-top:48px}.process article{position:relative}.process article:before{content:'';position:absolute;left:54px;right:-32px;top:23px;height:1px;background:var(--line)}.process article:last-child:before{display:none}.process b{position:relative;display:grid;place-items:center;width:46px;height:46px;border:1px solid #cbd5e1;background:white;border-radius:50%;font-size:14px;color:#2563eb;font-weight:550}.process h3{font-size:19px;margin-top:25px}.process p{font-size:15px}.about{border-top:1px solid var(--line);background:white}.about p:first-child{margin-top:0}.about .split{align-items:start}.guarantee{display:flex;gap:26px;padding:36px 40px;background:#f0f5fc;border:1px solid #d5e2f4;border-radius:12px;margin-top:20px}.guarantee>b{width:42px;height:46px;display:grid;place-items:center;border:1px solid #a5c1ed;border-radius:12px 12px 18px 18px;color:var(--teal);flex-shrink:0;background:#fff}.guarantee h3{margin:0;font-size:23px}.guarantee p{font-size:16px}.guarantee small{font-size:13px;color:#53647e}#faq{gap:90px}#faq>div:first-child{align-self:start;position:sticky;top:125px}details{padding:23px 0;border-bottom:1px solid var(--line)}details:first-child{padding-top:0}summary{cursor:pointer;list-style:none;font-size:16px;font-weight:550;display:flex;align-items:baseline;justify-content:space-between;gap:20px;line-height:1.6}summary::-webkit-details-marker{display:none}summary:after{content:'+';color:#64748b;font-size:23px;font-weight:400;flex-shrink:0}details[open] summary:after{content:'−';color:var(--teal)}details p{font-size:15px;margin-bottom:0;animation:panel-in .2s ease-out}.final{text-align:center;padding:76px 40px;background:#eff6ff;border:1px solid #d6e5fa;border-radius:18px;margin-bottom:72px}.final h2{font-size:clamp(36px,4vw,54px);letter-spacing:-2.5px}.final p{max-width:640px;margin:0 auto 30px;font-size:17px}.final small{display:block;margin-top:20px;font-size:13px}.site-footer{padding-block:30px 40px;display:flex;justify-content:space-between;align-items:center;gap:20px;border-top:1px solid var(--line)}.site-footer p,.site-footer>a:last-child{font-size:13px;color:#64748b}.site-footer .brand{font-size:22px}.site-footer .brand>b{width:29px;height:29px;font-size:23px}
dialog{position:relative;width:min(550px,calc(100% - 32px));max-height:90dvh;padding:36px;border:1px solid var(--line);border-radius:16px;background:var(--bg);color:var(--ink);box-shadow:0 30px 100px #0004}dialog::backdrop{background:#0b1220b8;backdrop-filter:blur(4px)}dialog h2{font-size:32px;letter-spacing:-1.2px}dialog p{font-size:15px}#close{position:absolute;right:10px;top:8px;width:44px;height:44px;background:none;font-size:28px;color:var(--muted)}label{display:block;font-size:14px;font-weight:500;margin-top:15px}input,select,textarea{display:block;width:100%;margin-top:6px;padding:11px 12px;border:1px solid #cbd5e1;background:#fff;border-radius:7px;color:var(--ink);font-size:16px}textarea{resize:vertical}form>.primary{margin-top:20px;width:100%}form>small{display:block;font-size:12px;margin-top:15px}body:has(dialog[open]){overflow:hidden}
@keyframes flow{0%{transform:translateY(0);opacity:0}20%{opacity:1}80%{opacity:1}100%{transform:translateY(25px);opacity:0}}@keyframes panel-in{from{opacity:.45;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1500px){.hero{padding-block:110px}.hero h1{font-size:68px}}
@media(max-width:1100px){.wrap{width:calc(100% - 64px)}body>header{padding-inline:32px}nav{gap:20px}.hero{gap:30px;padding-block:70px}h1{letter-spacing:-2.5px}.hero>div>p{font-size:17px}.actions{gap:16px}.split{gap:48px}.interactive{gap:32px}.cards article{padding:22px}.card-icon{margin:-22px -22px 22px}.cards h3{font-size:20px}.cards h3 br{display:none}.workflow-visual{gap:8px}.workflow-visual>i{width:34px;height:34px}.proof>div{padding-inline:20px}.proof>p{padding-left:20px}.proof b{font-size:40px}}
@media(max-width:800px){body{font-size:16px}.wrap{width:calc(100% - 40px)}body>header{height:76px;padding-inline:20px;gap:14px}.brand{font-size:23px}body>header>.outline{margin-left:auto;padding:10px 14px}.menu-toggle{display:grid;place-items:center;width:44px;height:44px;border:1px solid var(--line);border-radius:8px;background:#fff;color:#334155;font-size:22px}nav{display:none;position:absolute;top:75px;left:0;right:0;padding:16px 24px 24px;flex-direction:column;gap:4px;background:#fafbfc;border-bottom:1px solid var(--line);box-shadow:0 15px 20px #0b122008}nav.is-open{display:flex}nav a{padding:10px}.hero{grid-template-columns:1fr;gap:44px;padding-block:55px}.hero h1{font-size:clamp(43px,7.8vw,62px);letter-spacing:-2.6px}.hero>div>p{max-width:590px}.diagram{width:100%;max-width:590px;justify-self:center}.proof{grid-template-columns:repeat(3,1fr);gap:24px 0}.proof>div{padding:0 16px}.proof>div:nth-child(3){border:0}.proof b{font-size:36px}.proof>p{grid-column:1/-1;text-align:center;padding:20px 0 0;border-top:1px solid var(--line);margin:0}.proof>p br{display:none}.proof p{font-size:12px}.tool-row{grid-template-columns:repeat(4,1fr);font-size:20px;gap:24px 16px}.section{padding-block:72px}.split{grid-template-columns:1fr;gap:34px}h2{font-size:39px}.problem-list article{padding:21px 0}.section-head{display:block}.section-head>p{margin-top:22px}.cards{grid-template-columns:1fr;gap:24px}.cards article{padding:28px}.card-icon{margin:-28px -28px 26px;height:190px}.cards h3{font-size:23px}.cards p{font-size:16px}.cards footer{font-size:14px}.interactive{grid-template-columns:1fr;gap:22px}#steps{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}#steps:before{display:none}#steps button{padding:12px 7px;flex-direction:column;align-items:flex-start;gap:12px;min-height:114px;font-size:11px;line-height:1.6}#steps button span{margin:0;width:28px;height:28px}#panel{min-height:390px}.workflow-visual{gap:12px;max-width:400px}.workflow-visual>i{width:40px;height:40px}.process{grid-template-columns:1fr 1fr;gap:30px}.process article:nth-child(2):before{display:none}.process p{font-size:15px}.guarantee{padding:28px;gap:20px}.guarantee h3{font-size:21px}#faq{gap:30px}#faq>div:first-child{position:static}.final{padding:55px 24px;margin-bottom:45px}.final h2{font-size:43px}.site-footer{flex-wrap:wrap}.site-footer p{order:3;width:100%;margin:0}}
@media(max-width:420px){.wrap{width:calc(100% - 32px)}body>header{padding-inline:16px;gap:10px}.brand{font-size:21px}.brand>b{width:29px;height:30px;margin-right:7px}.brand i{display:none}body>header>.outline{font-size:12px;padding:10px}.hero h1{font-size:41px;letter-spacing:-2.2px}.eyebrow{font-size:9px;letter-spacing:1.3px}.actions{gap:18px}.actions .primary{width:100%;padding-block:17px}.hero>div>small{font-size:12px}.diagram{padding:17px}.diagram-head{font-size:9px}.diagram-head span{font-size:8px}.node{padding:15px 11px;gap:10px}.node strong{font-size:12px}.node small{font-size:9px}.output small{font-size:10px}.icon{width:30px;height:32px}.mini small,.mini b{font-size:10px}.proof b{font-size:32px}.proof>div{padding-inline:12px}.proof p{font-size:11px}.tool-row{grid-template-columns:repeat(3,1fr);font-size:18px}.tools small{font-size:11px}h2{font-size:34px;letter-spacing:-1.5px}.section{padding-block:58px}#steps{gap:3px}#steps button{font-size:10px;padding:10px 5px;min-height:120px}#panel{padding:22px}#panel h3{font-size:23px}.workflow-visual{gap:7px}.workflow-visual>i{width:33px;height:34px}.process{grid-template-columns:1fr;gap:28px}.process article{padding-left:64px}.process b{position:absolute;left:0;top:0}.process article:before,.process article:nth-child(2):before{display:block;left:22px;top:52px;bottom:-20px;width:1px;height:auto;right:auto}.process article:last-child:before{display:none}.process h3{margin-top:0}.guarantee{padding:23px 20px;gap:14px}.guarantee>b{width:31px;height:36px}.guarantee h3{font-size:20px}.guarantee p{font-size:15px}.final h2{font-size:35px;letter-spacing:-1.6px}.final h2 br{display:none}.final p{font-size:16px}dialog{padding:28px 22px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
/* Small screens keep the full workflow labels readable and touch friendly. */
@media(max-width:600px){
  #steps{display:flex;flex-direction:column;gap:6px;padding:0}
  #steps button{flex-direction:row;align-items:center;gap:0;min-height:52px;padding:10px 14px;font-size:14px;line-height:1.5}
  #steps button span{margin-right:15px;flex-shrink:0}
}
@media(max-width:1100px){.cards h3 br{display:initial}.cards h3 br:after{content:' '}}
/* Native details keeps keyboard behavior while animating both directions. */
@supports(interpolate-size:allow-keywords){
  details{interpolate-size:allow-keywords}
  details::details-content{height:0;opacity:0;overflow:clip;transition:height .25s ease,opacity .25s ease,content-visibility .25s allow-discrete}
  details[open]::details-content{height:auto;opacity:1}
}
/* Upscaling Systems wordmark: preserve the existing mark and typography. */
.brand .brand-name{font-weight:750;letter-spacing:-1px;line-height:1.1}
.brand .brand-name>span{font-weight:450}
@media(max-width:1100px) and (min-width:801px){body>header .brand{font-size:21px}body>header nav{gap:16px}}
@media(max-width:600px){
  body>header .brand{font-size:21px}
  body>header .brand-name{display:flex;flex-direction:column;gap:3px;letter-spacing:-.7px}
  body>header .brand-name>span{font-size:13px;letter-spacing:.2px}
}