@font-face{font-family:Inter;src:url(assets/fonts/inter-400.woff) format("woff");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:Inter;src:url(assets/fonts/inter-500.woff) format("woff");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:Inter;src:url(assets/fonts/inter-600.woff) format("woff");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:Inter;src:url(assets/fonts/inter-700.woff) format("woff");font-weight:700;font-style:normal;font-display:swap}
:root{--cream:#fffbec;--ink:#101828;--cyan:#299ad8;--light-cyan:#a5def0;--blue:#165dfc;--line:rgba(16,24,40,.14);--muted:#536070;--white:#fff;--pale:#eff6ff;--orange:#ff6900;--radius:24px;font-family:Inter,Arial,sans-serif;color:var(--ink);background:var(--cream);font-synthesis:none;scroll-behavior:smooth;scroll-padding-top:100px}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}a{color:inherit;text-decoration:none}button{border:0}img{max-width:100%;height:auto;display:block}button img{pointer-events:none}h1,h2,h3,p{margin:0}h1,h2,h3{text-wrap:balance}p{font-size:16px;line-height:1.65}button:focus-visible,a:focus-visible,summary:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--blue);outline-offset:5px}button:disabled{cursor:not-allowed;opacity:.5}[hidden]{display:none!important}.icon-defs{position:absolute;width:0;height:0;overflow:hidden}.icon{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.section-wrap{width:min(1256px,calc(100% - 112px));margin-inline:auto}.section-space{padding-block:104px}.eyebrow{font-size:12px;font-weight:650;letter-spacing:1.7px;line-height:1.5}.button{display:inline-flex;align-items:center;justify-content:center;gap:20px;min-height:56px;padding:16px 25px;background:var(--ink);border:1px solid var(--ink);color:var(--cream);border-radius:999px;font-size:15px;font-weight:550;transition:background .2s,transform .2s,box-shadow .2s}.button:hover{transform:translateY(-3px);background:#1d2939;box-shadow:0 8px 18px #10182815}.button.small{min-height:45px;padding:11px 19px;font-size:14px;gap:14px}.text-button{display:inline-flex;align-items:center;gap:11px;font-size:14px;font-weight:550;background:none;padding:8px 0}.text-button:hover{color:var(--blue)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;left:12px;top:-70px;background:var(--ink);color:white;padding:14px;z-index:100}.skip-link:focus{top:8px}.site-header{position:sticky;top:0;z-index:30;background:rgba(255,251,236,.93);backdrop-filter:blur(18px);border-bottom:1px solid transparent}.nav-wrap{width:min(1336px,calc(100% - 80px));margin:auto;display:flex;align-items:center;justify-content:space-between;min-height:94px}.brand img{width:132px;height:44px;object-fit:contain}.desktop-nav{display:flex;gap:36px;font-size:14px;font-weight:500}.desktop-nav a{padding-block:15px;position:relative}.desktop-nav a:after{content:"";height:1px;background:var(--ink);position:absolute;bottom:9px;left:0;width:0;transition:width .2s}.desktop-nav a:hover:after{width:100%}.nav-actions{display:flex;align-items:center;gap:16px}.menu-toggle{display:none;background:none;width:40px;height:44px;padding:9px}.menu-toggle span{display:block;height:2px;background:var(--ink);margin:6px 0}.mobile-nav{padding:14px 24px 25px;border-bottom:1px solid var(--line)}.mobile-nav a{display:block;padding:12px 0;font-weight:550}.hero{display:grid;grid-template-columns:1.06fr 1fr;min-height:678px;align-items:center;gap:10px;padding-top:30px;padding-bottom:70px}.hero-copy{position:relative;z-index:2;max-width:640px}.hero .eyebrow{display:flex;align-items:center;gap:11px;font-size:12px}.tiny-line{height:1px;width:25px;background:var(--ink)}h1{font-size:clamp(50px,5.5vw,79px);font-weight:550;line-height:1.065;letter-spacing:-4.2px;margin:24px 0}.cyan-word{color:var(--cyan)}.hero-description{font-size:18px;line-height:1.65;max-width:450px;color:#414b59;letter-spacing:-.25px}.hero-actions{display:flex;gap:22px;align-items:center;margin-top:30px;flex-wrap:wrap}.hero-actions .button{padding:16px 23px;gap:17px}.hero-actions .text-button{font-size:13px}.play-dot{width:28px;height:28px;border:1px solid var(--ink);border-radius:50%;display:grid;place-items:center}.play-dot .icon{width:14px}.hero-caption{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px;margin-top:26px}.hero-caption .icon{width:16px;height:16px}.hero-stage{height:540px;position:relative;perspective:1500px;min-width:0}.orbit{border:1px solid #10182813;border-radius:50%;position:absolute;pointer-events:none}.orbit-one{width:510px;height:375px;top:89px;left:0;transform:rotate(-27deg)}.orbit-two{width:425px;height:500px;top:20px;left:80px;transform:rotate(42deg)}.stage-word{position:absolute;top:8px;right:0;color:#1018280b;letter-spacing:-6px;font-size:100px;font-weight:650}.hero-book{padding:0;background:transparent;position:absolute;box-shadow:6px 16px 20px #10182822,0 26px 65px #10182815;border-radius:3px;transition:translate .4s,box-shadow .4s;transform-style:preserve-3d}.hero-book img{width:100%;border-radius:3px}.hero-book:hover{translate:0 -14px;box-shadow:10px 26px 30px #10182830;z-index:5}.hero-book-one{width:172px;top:84px;right:1px;transform:rotate(14deg) rotateY(-10deg);z-index:1}.hero-book-two{width:182px;top:80px;left:38px;transform:rotate(-14deg) rotateY(13deg);z-index:2}.hero-book-three{width:196px;top:192px;left:168px;transform:rotate(6deg) rotateY(-10deg);z-index:3}.language-float{position:absolute;top:6px;left:130px;z-index:5;display:flex;gap:11px;align-items:flex-start;background:#fffef7;border:1px solid #1018280e;box-shadow:0 10px 25px #1018280c;border-radius:14px;padding:16px 19px;transform:rotate(-5deg)}.language-float>.icon{width:27px;height:27px;color:var(--cyan);margin-top:3px}.language-float strong{font-size:13px;line-height:1.5;font-weight:600;display:block}.language-float span{display:block;font-size:12px;color:var(--muted);margin-top:6px}.audio-float{display:flex;align-items:center;gap:12px;position:absolute;z-index:6;bottom:42px;left:6px;padding:15px 18px 15px 14px;border-radius:16px;background:white;box-shadow:0 14px 35px #10182815;transform:rotate(-5deg);border:1px solid #10182808;text-align:left}.float-play{display:grid;place-items:center;width:38px;height:38px;background:var(--ink);color:white;border-radius:50%}.audio-float small{font-size:12px;letter-spacing:1.1px;display:block;margin-bottom:4px;color:var(--muted)}.audio-float strong{font-size:12px;font-weight:600}.audio-float:hover{background:var(--pale)}.stage-note{font-size:12px;position:absolute;bottom:1px;right:1px;transform:rotate(-6deg);color:var(--muted)}.wave{height:38px;display:flex;align-items:center;justify-content:center;gap:5px;color:var(--cyan)}.wave i{display:block;width:3px;background:currentColor;border-radius:3px;height:13px;flex-shrink:0}.wave i:nth-child(3n){height:30px}.wave i:nth-child(4n){height:22px}.wave i:nth-child(5n){height:36px}.wave i:nth-child(7n){height:7px}.wave.mini{height:30px;margin-left:4px;gap:3px}.wave.mini i{width:2px;height:9px}.wave.mini i:nth-child(3n){height:22px}.wave.mini i:nth-child(2n){height:16px}.possibilities-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.strip-inner{display:flex;align-items:center;justify-content:space-between;min-height:91px;gap:20px}.strip-inner>span{display:flex;align-items:center;gap:10px;font-size:13px;color:#414b59}.strip-inner strong{font-weight:600;font-size:25px;letter-spacing:-1px;color:var(--ink)}.strip-inner>.icon{width:25px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:35px;margin-bottom:32px}.section-heading .eyebrow{margin-bottom:17px}h2{font-size:48px;line-height:1.1;font-weight:550;letter-spacing:-2.2px}.section-heading>p{color:var(--muted);font-size:15px;line-height:1.8;padding-bottom:2px}.topic-controls{display:flex;gap:10px;flex-wrap:wrap;margin:34px 0 30px}.topic{background:transparent;border:1px solid #10182833;border-radius:999px;padding:12px 19px;font-size:13px;min-height:43px;transition:.2s}.topic:hover{border-color:var(--ink);background:#fff}.topic.active{background:var(--ink);color:var(--cream);border-color:var(--ink)}.collection-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;align-items:start}.collection-card{min-width:0;transition:opacity .25s,transform .25s}.collection-card.is-muted{opacity:.38}.collection-card.is-muted:hover{opacity:1}.cover-field{position:relative;width:100%;height:347px;border-radius:18px;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:46px 30px 30px}.cover-field.icy{background:#e0f0f6}.cover-field.blue{background:#b8d9ed}.cover-field.butter{background:#f4edcd}.cover-field img{width:155px;box-shadow:12px 17px 22px #10182828;border-radius:2px;transform:rotate(-8deg);transition:transform .45s}.cover-field.blue img{transform:rotate(7deg)}.cover-field.butter img{transform:rotate(-5deg)}.cover-field:hover img{transform:rotate(0deg) 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#10182808}.sample-intro{text-align:center;margin-bottom:42px}.sample-intro .eyebrow{margin-bottom:17px}.sample-intro p{margin-top:17px;color:var(--muted);font-size:16px}.sample-shell{display:grid;grid-template-columns:285px 1fr;border:1px solid #10182819;border-radius:22px;overflow:hidden;background:white;box-shadow:0 16px 34px #10182808;max-width:1120px;margin:auto;min-height:620px}.sample-library{padding:30px 20px;background:#f6f9fb;border-right:1px solid #10182812;display:flex;flex-direction:column}.sample-library>.eyebrow{font-size:12px;margin:0 8px 24px}.sample-book-list{display:flex;flex-direction:column;gap:12px}.sample-book{width:100%;display:flex;align-items:center;text-align:left;gap:14px;border:1px solid transparent;border-radius:12px;background:none;padding:12px;min-height:110px}.sample-book:hover{background:white}.sample-book.active{background:white;border-color:#8cbedb;box-shadow:0 4px 9px #10182805}.sample-book img{width:45px;border-radius:2px;box-shadow:2px 4px 6px #10182815}.sample-book strong{font-weight:550;font-size:14px;line-height:1.45;display:block}.sample-book small{font-size:12px;color:var(--muted);display:block;margin-top:6px}.selected-check{display:none;margin-left:auto;color:var(--cyan)}.sample-book.active .selected-check{display:block}.selected-check .icon{width:17px}.side-note{display:flex;gap:11px;padding:36px 9px 8px;margin-top:auto;color:var(--muted)}.side-note .icon{color:var(--cyan);width:19px}.side-note p{font-size:12px;line-height:1.65}.sample-main{min-width:0;display:flex;flex-direction:column}.sample-toolbar{display:flex;align-items:center;justify-content:space-between;padding:18px 25px;border-bottom:1px solid #10182812;gap:14px}.mode-tabs{display:flex;gap:4px;background:#f1f5f8;padding:4px;border-radius:999px}.mode-tabs button{padding:10px 16px;font-size:13px;font-weight:550;display:flex;align-items:center;gap:7px;background:none;min-height:40px;border-radius:999px;white-space:nowrap;color:var(--muted)}.mode-tabs button 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0}.takeaway-label{display:flex;align-items:center;gap:9px;font-size:12px;font-weight:650;letter-spacing:1px;color:#246c93}.takeaway-label .icon{width:15px;height:15px}.takeaway p{font-size:13px;line-height:1.7;margin-top:8px}.deeper-button{margin-top:19px;font-size:12px}.deeper-button .icon{width:16px}.deeper-button[aria-expanded=true] .icon{transform:rotate(45deg)}#deeper-content{margin-top:12px;font-size:14px}.sample-bottom{padding:18px 25px;border-top:1px solid #10182812;display:flex;gap:12px;align-items:center;justify-content:space-between;font-size:12px;color:var(--muted)}.sample-bottom a{display:flex;align-items:center;gap:7px;color:var(--ink)}.sample-bottom .icon{width:14px;height:14px}.sample-footnote{display:flex;align-items:center;justify-content:center;gap:9px;margin-top:22px;font-size:12px;color:var(--muted);line-height:1.7}.sample-footnote .icon{width:16px;height:16px}.listen-panel{text-align:center;padding-top:27px}.listen-panel>.eyebrow{font-size:12px}.listen-panel>img{width:96px;margin:22px auto 0;box-shadow:5px 9px 14px #10182825;border-radius:2px;transform:rotate(-4deg)}.listen-panel h3{font-size:26px;margin:21px 0 5px}.listen-panel>p{font-size:13px}.audio-controls{display:flex;align-items:center;gap:17px;max-width:330px;margin:20px auto 0}.audio-play{width:48px;height:48px;border-radius:50%;background:var(--ink);color:white;display:grid;place-items:center;flex-shrink:0}.audio-progress{flex:1;min-width:0}.audio-progress .wave{width:100%;gap:4px}.audio-progress .wave i{width:3px}.audio-progress 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small{font-size:12px;color:var(--muted)}.chat-book-context>.icon{margin-left:auto;color:var(--cyan);width:21px}.chat-body{padding:24px}.chat-topic{font-size:12px;line-height:1.7;color:var(--muted);padding-left:14px;border-left:2px solid #a5def0;margin-bottom:23px}.chat-body .question-bubble{font-size:12px;padding:13px 16px;max-width:85%}.chat-body .answer-bubble{padding-top:25px}.answer-byline span{color:var(--muted);font-size:12px;letter-spacing:0;font-weight:400}.chat-body .answer-bubble p{font-size:13px}.chat-followup{padding:12px 14px;background:#f3f8fb;border-radius:7px;margin-top:13px}.conversation-label{display:block;text-align:center;font-size:12px;color:var(--muted);margin-top:22px}.path-section{display:grid;grid-template-columns:1.05fr 1fr;gap:90px;align-items:center}.path-preview{padding:29px;background:#f6f1dc;border:1px solid #10182815;border-radius:20px}.path-preview-head{display:flex;align-items:center;gap:12px;justify-content:space-between}.path-preview-head 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