/* Match the app's warm-white chrome, white canvas and deep-blue headings. */
:root{color-scheme:light;--ink:#242831;--muted:#626976;--cream:#fff4df;--paper:#faf8f3;--canvas:#ffffff;--heading:#004f87;--blue:#2d50e8;--blue-hover:#2443cc;--link:#0068b5;--blue-soft:#edf2ff;--connector:#b2c5e0;--line:#e1e3e8}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;color:var(--ink);background:white;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font:inherit}
button,a{-webkit-tap-highlight-color:transparent}
button:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--blue);outline-offset:5px}
a:hover{color:var(--blue)}
[hidden]{display:none!important}
.skip-link{position:fixed;z-index:100;left:16px;top:-80px;padding:14px;background:white}
.skip-link:focus{top:16px}
.site-header{height:58px;position:sticky;top:0;z-index:20;background:rgba(255,244,223,.92);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);border-bottom:1px solid rgba(0,0,0,.06)}
.navigation{max-width:1120px;height:100%;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:0 30px;gap:24px}
.brand{display:flex;align-items:center;gap:8px;font-size:21px;font-weight:650;letter-spacing:-.8px}
.nav-links{display:flex;gap:38px;font-size:12px}
.nav-status{font-size:12px;color:var(--muted)}
.hero{padding:68px 24px 30px;text-align:center;background:linear-gradient(180deg,var(--cream) 0%,#fff9ed 58%,var(--paper) 100%);overflow:hidden}
.eyebrow{color:var(--heading);font-size:21px;font-weight:600;letter-spacing:-.4px;margin:0 0 17px}
h1{color:var(--heading);font-size:clamp(42px,5.2vw,76px);line-height:1.17;font-weight:650;letter-spacing:-3.5px;margin:0}
.hero-tagline{font-weight:500;font-size:27px;letter-spacing:-.6px;margin:17px 0 20px;color:var(--heading)}
.hero-description{font-size:20px;line-height:1.6;color:var(--muted);margin:0}
.actions{display:flex;align-items:center;justify-content:center;gap:27px;margin-top:26px}
.button{padding:13px 24px;border-radius:30px;font-size:15px;display:inline-flex;justify-content:center}
.primary{background:var(--blue);color:white}
.primary:hover{background:var(--blue-hover);color:white}
.text-link{font-size:16px;color:var(--link)}
.text-link:hover{text-decoration:underline}
.text-link span{display:inline-block;margin-left:4px}
.mobile-break{display:none}
.hero-stage{position:relative;max-width:1120px;margin:49px auto 0;padding:0 5px 22px;perspective:1600px}
.app-window{border:1px solid #d9d5ca;border-radius:15px;background:white;overflow:hidden;box-shadow:0 30px 60px -30px #66739144,0 3px 10px #0000000a}
.hero-window{transform:rotateX(5deg);transform-origin:center bottom}
.window-bar{height:40px;background:var(--cream);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:11px;color:var(--muted);padding:0 16px}
.traffic{display:flex;gap:7px}
.traffic i{width:9px;height:9px;border-radius:50%;background:#ff6057}
.traffic i:nth-child(2){background:#febc2e}
.traffic i:nth-child(3){background:#28c840}
.window-label{font-size:10px;letter-spacing:1px}
.hero-workspace{display:grid;grid-template-columns:150px 1fr 1fr;min-height:370px;text-align:left}
.mock-sidebar{background:#fff8eb;border-right:1px solid var(--line);padding:25px 12px;display:flex;flex-direction:column;gap:10px;font-size:11px;position:relative}
.mock-sidebar b{font-size:12px;margin:0 10px 14px}
.mock-sidebar>span{padding:8px 10px;border-radius:5px;color:var(--muted)}
.mock-sidebar .active-note{background:var(--blue-soft);color:var(--heading)}
.sidebar-bottom{position:absolute;bottom:24px;left:22px;font-size:10px;color:#717782}
.mock-document{padding:24px 32px}
.mock-breadcrumb{font-size:9px;color:#717782;margin-bottom:29px}
.mock-breadcrumb span{margin:0 8px;color:#c5c5c5}
.mock-document h2{font-size:23px;letter-spacing:-.5px;margin:0 0 12px}
.mock-document p{font-size:10px;line-height:1.8;color:var(--muted);margin:0}
.mock-document .document-lead{margin-bottom:26px}
.mock-document h3{font-size:12px;margin:20px 0 6px}
.document-caret{display:block;width:1px;height:13px;background:var(--heading);margin-top:17px}
.hero-map{background:var(--canvas);border-left:1px solid var(--line);position:relative;display:flex;align-items:center;padding:45px 26px}
.map-kicker{position:absolute;left:21px;top:24px;font-size:10px;color:#717782}
.mini-tree,.demo-tree{display:flex;align-items:center;width:100%}
.tree-root{font-size:12px;color:white;background:var(--heading);border-radius:9px;padding:15px 17px;white-space:nowrap;font-weight:500;position:relative}
.tree-branches{margin-left:31px;display:flex;flex-direction:column;gap:32px;position:relative}
.tree-branches:before{content:"";position:absolute;left:-17px;top:25px;bottom:25px;width:1px;background:var(--connector)}
.tree-root:after{content:"";position:absolute;left:100%;top:50%;width:15px;height:1px;background:var(--connector)}
.tree-branches>div{position:relative;min-width:85px}
.tree-branches>div:before{content:"";position:absolute;width:17px;height:1px;background:var(--connector);top:50%;left:-17px}
.tree-branches b{display:block;border-bottom:1px solid #cedbee;padding:0 8px 7px;color:var(--heading);font-weight:600;font-size:12px}
.tree-branches span{display:block;font-size:9px;color:var(--muted);padding:7px 8px 0}
.stage-shadow{height:12px;width:90%;margin:auto;background:#53678822;filter:blur(18px);border-radius:50%}
.visual-note{font-size:11px;color:#717782;line-height:1.6;margin:5px 0 0}
.section-pad{padding:110px 24px}
.section-intro{text-align:center;max-width:850px;margin:0 auto 45px}
.section-intro h2,.closing h2{color:var(--heading);font-size:clamp(38px,4.2vw,60px);line-height:1.22;letter-spacing:-2px;font-weight:650;margin:0 0 28px}
.section-intro>p:last-child{font-size:19px;color:var(--muted);line-height:1.7;margin:0}
.section-intro .eyebrow{font-size:17px;color:var(--muted);margin-bottom:22px}
.view-picker{display:flex;justify-content:center;background:var(--cream);border:4px solid var(--cream);width:fit-content;max-width:100%;margin:0 auto 29px;border-radius:28px;gap:3px}
.view-picker button{padding:12px 23px;border:0;border-radius:22px;background:transparent;color:var(--muted);cursor:pointer;font-size:14px;white-space:nowrap}
.view-picker button:hover{color:var(--heading)}
.view-picker button[aria-selected=true]{background:white;color:var(--blue);box-shadow:inset 0 2px 0 var(--blue),0 2px 6px #0000000d}
.interactive-window{max-width:980px;margin:auto;border:1px solid var(--line);border-radius:18px;box-shadow:0 18px 65px #27384d0d;overflow:hidden;background:white}
.demo-toolbar{background:var(--cream);display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding:16px 25px;font-size:12px;color:var(--muted)}
.demo-badge{font-size:10px;letter-spacing:1px}
.demo-panel{height:443px;padding:30px 55px;display:flex;align-items:center;background:var(--canvas)}
.demo-document{width:100%;max-width:510px;margin:auto}
.tiny-label{font-size:11px;color:#717782;letter-spacing:1px}
.demo-document h3{font-size:26px;margin:15px 0 10px;letter-spacing:-.5px}
.demo-document p{font-size:13px;line-height:1.7;color:var(--muted);margin:0}
.demo-document h4{font-size:15px;margin:21px 0 7px}
.demo-tree{max-width:700px;margin:auto;justify-content:center}
.demo-tree .tree-root{font-size:18px;padding:22px}
.demo-tree .tree-branches{margin-left:50px;gap:35px}
.demo-tree .tree-branches:before{left:-35px;top:24px;bottom:24px}
.demo-tree .tree-branches>div:before{width:35px;left:-35px}
.demo-tree .tree-branches b{font-size:16px;padding:0 12px 11px}
.demo-tree .tree-branches span{font-size:12px;padding:10px 12px 0;line-height:1.6}
.demo-outline{width:100%;max-width:530px;margin:auto}
.demo-outline h3{font-size:27px;margin:16px 0 24px}
.demo-outline ol{padding:0;list-style:none;border-left:1px solid var(--line);margin-left:7px}
.demo-outline li{padding:18px 28px;font-size:19px;border-bottom:1px solid var(--line)}
.demo-outline li:last-child{border-bottom:0}
.demo-outline li span{font-size:12px;color:#717782;margin-right:22px}
.heading-tree{margin:auto;text-align:center}
.heading-tree>.tree-root{display:inline-block;font-size:20px;padding:20px 30px}
.heading-tree>.tree-root:after{width:1px;height:36px;top:100%;left:50%}
.heading-tree>div{display:flex;gap:65px;margin-top:69px;position:relative}
.heading-tree>div:before{content:"";position:absolute;height:1px;top:-34px;left:50px;right:50px;background:var(--connector)}
.heading-tree>div b{border:1px solid var(--connector);padding:18px 31px;border-radius:10px;font-size:18px;color:var(--heading);position:relative;font-weight:500}
.heading-tree>div b:before{content:"";position:absolute;left:50%;width:1px;height:34px;bottom:100%;background:var(--connector)}
.view-description{font-size:14px;text-align:center;color:var(--muted);line-height:1.7;margin:24px auto 0;min-height:24px}
.connections{background:var(--paper);overflow:hidden}
.connection-visual{max-width:920px;margin:65px auto 15px;display:flex;align-items:center;justify-content:center}
.connection-note{background:white;border-radius:13px;padding:32px;width:380px;min-height:265px;box-shadow:0 16px 42px #303d5010;border:1px solid var(--line);position:relative}
.source-note{transform:rotate(-4deg)}
.target-note{transform:rotate(4deg)}
.connection-note h3{font-size:21px;letter-spacing:-.5px;margin:22px 0 17px}
.connection-note p{font-size:13px;line-height:1.8;color:var(--muted)}
.reference-label{font-size:11px;color:var(--heading);display:block;margin-top:28px}
.note-lines{display:flex;flex-direction:column;gap:10px;margin:22px 0}
.note-lines i{height:4px;width:85%;border-radius:4px;background:#eef1f6}
.note-lines i:last-child{width:55%}
.connection-line{width:90px;flex-shrink:0;text-align:center;position:relative;color:var(--heading);z-index:1}
.connection-line:before{content:"";height:1px;background:var(--connector);position:absolute;left:-14px;right:-14px;top:50%}
.connection-line span{position:relative;font-size:30px;background:var(--paper);padding:5px}
.connection-note blockquote{border-left:3px solid var(--link);margin:23px 0 32px;padding:12px 15px;background:#f0f5fc;border-radius:0 6px 6px 0;font-size:14px;color:#3d5875;line-height:1.8}
.learning{background:var(--cream);color:var(--ink);text-align:center;margin-top:12px}
.learning .eyebrow{color:var(--muted)}
.learning h2 span{color:var(--heading)}
.learning .section-intro>p:last-child{color:var(--muted)}
.study-demo{max-width:900px;margin:52px auto 0;border:1px solid #d9d5ca;background:var(--canvas);border-radius:17px;overflow:hidden;text-align:left;box-shadow:0 0 90px #53678812;color:var(--ink)}
.lesson-preview{border-bottom:1px solid var(--line);background:#fffaf0;padding:22px 32px;color:var(--ink)}
.lesson-caption{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);letter-spacing:1px}
.lesson-board{text-align:center;padding:30px 0}
.lesson-board>span{font-size:22px;color:var(--heading)}
.board-flow{display:flex;align-items:center;justify-content:center;gap:32px;margin-top:24px}
.board-flow b{background:white;color:var(--heading);font-weight:500;font-size:16px;border:1px solid var(--connector);border-radius:6px;padding:12px 24px}
.board-flow i{font-style:normal;color:var(--link)}
.lesson-timeline{display:flex;align-items:center;gap:12px;font-size:9px;color:var(--muted)}
.lesson-timeline>div{height:3px;flex:1;background:#dce3ef;border-radius:2px}
.lesson-timeline i{display:block;width:19%;height:100%;background:var(--blue)}
.study-transcript{background:white;padding:24px 32px 25px}
.transcript-heading{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:var(--heading)}
.transcript-heading>span{font-size:10px;color:#717782}
.study-transcript h3{font-size:21px;margin:26px 0 20px}
.study-transcript>p{display:flex;gap:25px;font-size:15px;line-height:1.9;margin:0}
.study-transcript time{font-size:11px;color:#717782;padding-top:5px}
.filler{color:#8b8b90}
.study-transcript strong{font-weight:500;color:#bb3026}
.color-legend{display:flex;gap:20px;border-top:1px solid var(--line);margin-top:23px;padding-top:18px;font-size:10px;color:var(--muted)}
.color-legend>span{display:flex;align-items:center;gap:6px}
.color-legend i{width:6px;height:6px;border-radius:50%}
.black-dot{background:#1d1d1f}
.red-dot{background:#bb3026}
.gray-dot{background:#929299}
.learning-note{font-size:12px;line-height:1.8;color:var(--muted);max-width:640px;margin:26px auto 0}
.closing{text-align:center;padding-top:120px;padding-bottom:120px}
.closing .eyebrow{font-size:15px;color:var(--heading)}
.closing h2{font-size:clamp(33px,3.3vw,48px);margin-top:24px}
.closing-copy{font-size:19px;color:var(--muted);line-height:1.8;margin:0}
.development{display:flex;align-items:center;justify-content:center;gap:9px;font-size:12px;color:var(--muted);margin:32px 0 25px}
.status-dot{width:6px;height:6px;border-radius:50%;background:var(--heading)}
.site-footer{background:var(--paper);padding:35px max(24px,calc((100% - 1060px)/2));font-size:11px;color:var(--muted)}
.site-footer>div:first-child{display:flex;align-items:center;gap:20px}
.footer-brand{font-size:20px;color:#404046}
.site-footer>p{line-height:1.8;margin:22px 0}
.footer-bottom{border-top:1px solid var(--line);padding-top:18px;display:flex;justify-content:space-between}
.footer-bottom a{color:var(--muted)}

.mock-document h2,.mock-document h3,.demo-document h3,.demo-document h4,.demo-outline h3,.connection-note h3,.study-transcript h3{color:var(--heading)}

.mock-sidebar .active-note{box-shadow:inset 2px 0 0 var(--blue);font-weight:600}

.heading-tree>div b{background:#f7f9ff}

.primary{box-shadow:0 4px 12px #2d50e81a}

@media(min-width:1500px){.hero{padding-top:80px}
.hero-stage{margin-top:60px}
.hero-workspace{min-height:400px}
}

@media(max-width:850px){.hero-workspace{grid-template-columns:115px 1fr 1fr;min-height:335px}
.mock-sidebar{font-size:9px;padding:25px 7px}
.mock-document{padding:22px}
.mock-document h2{font-size:19px}
.hero-map{padding:30px 16px}
.mini-tree{flex-direction:column;gap:24px}
.mini-tree .tree-root{font-size:11px}
.mini-tree .tree-root:after{height:24px;width:1px;top:100%;left:50%}
.mini-tree .tree-branches{margin:0;gap:12px}
.mini-tree .tree-branches:before,.mini-tree .tree-branches>div:before{display:none}
.mini-tree .tree-branches>div{min-width:110px}
.mini-tree .tree-branches b{font-size:11px}
.mini-tree .tree-branches span{font-size:9px}
.map-kicker{top:16px}
.section-pad{padding:85px 24px}
.connection-note{padding:25px;min-height:280px}
.connection-note h3{font-size:18px}
.connection-line{width:50px}
}

@media(max-width:600px){html{scroll-padding-top:75px}
.site-header{height:54px}
.navigation{padding:0 20px;gap:14px}
.brand{font-size:20px}
.nav-links{gap:16px}
.nav-links a{font-size:11px}
.nav-links a:nth-child(2),.nav-links a:nth-child(3){display:none}
.nav-status{font-size:11px}
.hero{padding:49px 18px 25px}
h1{letter-spacing:-1.6px;line-height:1.23;font-size:45px}
.mobile-break{display:block}
.eyebrow{font-size:18px}
.hero-tagline{font-size:23px;margin:15px 0 20px}
.hero-description{font-size:16px}
.actions{gap:18px;margin-top:25px}
.button{font-size:13px;padding:12px 19px}
.text-link{font-size:13px}
.hero-stage{margin-top:37px;padding:0 0 13px}
.hero-window{border-radius:10px;transform:none}
.window-bar{height:30px;padding:0 12px;font-size:9px}
.traffic{gap:4px}
.traffic i{height:6px;width:6px}
.window-label{font-size:8px}
.hero-workspace{grid-template-columns:1fr;min-height:auto}
.mock-sidebar,.hero-map{display:none}
.mock-document{padding:24px 30px 23px}
.mock-breadcrumb{margin-bottom:20px}
.mock-document h2{font-size:22px}
.mock-document h3{margin:19px 0 6px;font-size:12px}
.mock-document p{font-size:11px}
.mock-document .document-lead{margin-bottom:20px}
.document-caret{margin-top:15px}
.visual-note{font-size:9px}
.section-pad{padding:70px 20px}
.section-intro{margin-bottom:31px}
.section-intro h2{font-size:40px;letter-spacing:-1.5px;margin-bottom:23px}
.section-intro .eyebrow{font-size:14px;margin-bottom:18px}
.section-intro>p:last-child{font-size:16px;line-height:1.8}
.section-intro>p:last-child br{display:none}
.view-picker{width:100%;gap:0;border-width:3px;margin-bottom:21px}
.view-picker button{font-size:11px;padding:11px 6px;flex:1}
.demo-toolbar{padding:13px 17px;font-size:10px}
.demo-badge{font-size:9px}
.demo-panel{height:420px;padding:26px 24px}
.demo-document h3{font-size:23px}
.demo-document p{font-size:12px}
.demo-tree{flex-direction:column;gap:30px}
.demo-tree .tree-root{font-size:15px;padding:16px 23px}
.demo-tree .tree-root:after{width:1px;height:30px;top:100%;left:50%}
.demo-tree .tree-branches{margin:0;gap:17px;width:100%;text-align:center}
.demo-tree .tree-branches:before,.demo-tree .tree-branches>div:before{display:none}
.demo-tree .tree-branches b{font-size:14px;padding:0 0 7px}
.demo-tree .tree-branches span{font-size:10px;padding:7px 0 0}
.demo-outline h3{font-size:23px}
.heading-tree>.tree-root{font-size:17px;padding:17px 24px}
.heading-tree>div{gap:17px}
.heading-tree>div b{font-size:14px;padding:15px 20px}
.heading-tree>div:before{left:35px;right:35px}
.view-description{font-size:12px;min-height:41px;margin-top:20px}
.connection-visual{flex-direction:column;margin:42px auto 7px;width:100%;padding:0 12px}
.connection-note{width:100%;max-width:340px;min-height:245px;padding:26px}
.connection-note h3{font-size:20px}
.connection-note p{font-size:13px}
.connection-line{height:50px;width:auto}
.connection-line:before{height:70px;width:1px;left:50%;top:-10px}
.connection-line span{display:inline-block;font-size:22px;transform:rotate(90deg);margin-top:7px}
.reference-label{margin-top:18px}
.learning{margin-top:8px}
.study-demo{margin-top:34px;border-radius:12px}
.lesson-preview{padding:18px}
.lesson-caption{font-size:8px}
.lesson-board{padding:30px 0}
.lesson-board>span{font-size:19px}
.board-flow{gap:13px;margin-top:24px}
.board-flow b{font-size:12px;padding:9px 13px}
.study-transcript{padding:19px}
.transcript-heading{font-size:10px}
.transcript-heading>span{font-size:8px}
.study-transcript h3{font-size:18px;margin-top:25px}
.study-transcript>p{font-size:13px;gap:13px}
.study-transcript time{font-size:9px}
.color-legend{font-size:8px;gap:13px;flex-wrap:wrap}
.learning-note{font-size:10px;margin-top:21px}
.closing{padding:80px 20px}
.closing h2{font-size:33px;letter-spacing:-1px;line-height:1.3}
.closing-copy{font-size:16px}
.development{font-size:10px}
.site-footer{padding:30px 22px}
.site-footer>div:first-child{justify-content:space-between}
.site-footer>p{font-size:10px}
.footer-bottom{font-size:10px}
}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
}