.lt{--gutter:clamp(16px,5vw,64px);--column:960px;background:var(--paper);color:var(--ink);overflow-x:clip;font-size:17px;line-height:1.55}.lt h1,.lt h2,.lt h3{font-family:var(--font-display),"Segoe UI",sans-serif;margin:0}.lt a:focus-visible{outline:3px solid var(--ink);outline-offset:3px}.lt-top{position:absolute;top:14px;left:var(--gutter);z-index:3}.lt-logo{display:inline-flex;align-items:center;gap:10px;padding:6px 16px 6px 6px;border-radius:999px;background:var(--card);box-shadow:0 3px 0 var(--birch-dark);font-family:var(--font-display),"Segoe UI",sans-serif;font-weight:800;font-size:19px;text-decoration:none}.lt-logo img{border-radius:50%}.lt-hero{position:relative;background:linear-gradient(180deg,#fff 0,var(--paper) 42%,#f6efe2 100%)}.room-windows{display:block;width:100%;height:170px}.room-planter{position:absolute;top:0;width:92px;height:184px;transform-origin:top center;animation:lt-sway 7s ease-in-out infinite alternate}.room-planter.one{left:15%}.room-planter.two{left:47%;animation-delay:-2s;height:150px;width:75px}.room-planter.three{right:7%;animation-delay:-4s}.lt-hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);align-items:center;grid-gap:clamp(28px,5vw,72px);gap:clamp(28px,5vw,72px);max-width:1240px;margin:0 auto;padding:44px var(--gutter) 28px}.lt-eyebrow{margin:0 0 8px;color:var(--rust);font-weight:600;font-size:15px}.lt-hero h1{font-size:clamp(40px,5.2vw,68px);font-weight:800;line-height:1.02;letter-spacing:-.015em;color:var(--navy);text-wrap:balance}.lt-hero h1 em{font-style:normal;color:var(--rust)}.lt-lede{max-width:34rem;margin:16px 0 0;color:var(--muted);font-size:18px}.lt h2.lt-ask{margin-top:26px;font-size:21px;font-weight:700;color:var(--navy)}.lt-small{margin:12px 0 0;font-size:14px;color:var(--muted)}.lt-picker{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px}.lt-picker a{--edge:var(--navy-dark);flex:0 1 auto;min-height:54px;padding:11px 24px 9px;display:inline-flex;align-items:center;justify-content:center;border-radius:14px;background:var(--navy);color:#fff;box-shadow:0 5px 0 var(--edge);font-family:var(--font-display),"Segoe UI",sans-serif;font-weight:700;font-size:21px;text-decoration:none;transition:transform .12s ease,box-shadow .12s ease}.lt-picker a:first-child{--edge:var(--rust-dark);background:var(--rust)}.lt-picker a:nth-child(2){--edge:#b87f17;background:var(--mustard);color:var(--navy-dark)}.lt-picker a:hover{transform:translateY(2px);box-shadow:0 3px 0 var(--edge)}.lt-picker a:active{transform:translateY(5px);box-shadow:0 0 0 var(--edge)}.lt-board{position:relative;margin:0;padding:34px clamp(18px,3vw,36px) 40px;border-top:12px solid var(--birch);border-radius:4px;background:var(--felt-grain),var(--rust);background-blend-mode:multiply;box-shadow:0 10px 24px rgba(30,58,110,.14)}.lt-worksheet{position:relative;padding:34px 20px 28px;background:repeating-linear-gradient(180deg,#fff 0 31px,#dbe7f1 31px 32px);box-shadow:0 4px 10px rgba(0,0,0,.22);transform:rotate(-1.5deg);font-family:var(--font-hand),"Comic Sans MS",cursive;color:var(--pencil)}.lt-pin{position:absolute;top:-9px;left:50%;width:22px;height:22px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#f7cf73,var(--mustard) 55%,#b87f17);box-shadow:0 3px 3px rgba(0,0,0,.3)}.lt-sum{display:flex;justify-content:center;gap:clamp(8px,1.2vw,18px);margin:0;font-size:clamp(46px,5.4vw,76px);line-height:1}.lt-frac,.lt-sum{align-items:center}.lt-frac{display:inline-flex;flex-direction:column;vertical-align:middle;line-height:1.05}.lt-frac>span:first-child{border-bottom:.05em solid;padding:0 .14em}.lt-wrong{position:relative;display:inline-block;padding:0 .1em}.lt-wrong svg{position:absolute;top:-30%;left:-32%;width:164%;height:160%;overflow:visible;pointer-events:none}.lt-wrong path{fill:none;stroke:var(--pen);stroke-width:4;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:1;animation:lt-draw .9s ease-out .5s forwards}.lt-note{position:absolute;right:14px;bottom:-18px;padding:8px 14px;background:var(--mustard);color:var(--navy-dark);box-shadow:0 4px 8px rgba(0,0,0,.2);transform:rotate(2.5deg);font-family:var(--font-hand),"Comic Sans MS",cursive;font-size:clamp(20px,2vw,26px);font-weight:700}.room-bench{position:relative;z-index:1;display:block;width:100%;height:auto;aspect-ratio:1600/190}.lt-descent{padding:56px var(--gutter) 72px;border-top:12px solid var(--birch);background:var(--felt-grain),var(--navy);background-blend-mode:multiply;color:#fff}.lt-descent-head{max-width:var(--column);margin:0 auto 40px}.lt-descent-head h2{font-size:clamp(34px,4.4vw,52px);font-weight:800;line-height:1.05}.lt-descent-head p{max-width:42rem;margin:8px 0 0;color:#d5deec;font-size:18px}.lt-rungs{--rail:22px;position:relative;max-width:var(--column);margin:0 auto;padding:0 0 0 calc(var(--rail) + 34px)}.lt-rungs ol{display:grid;grid-gap:20px;gap:20px;margin:0;padding:0;list-style:none}.lt-trace{position:absolute;top:14px;bottom:48px;left:calc(var(--rail) - 2px);width:4px;border-radius:4px;background:repeating-linear-gradient(170deg,var(--mustard) 0 5px,#c88f1f 5px 7px);transform-origin:top}.lt-rungs li{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 136px;grid-column-gap:20px;column-gap:20px;align-items:center;padding:16px 20px;background:var(--card);color:var(--ink);box-shadow:0 5px 12px rgba(0,0,0,.3)}.lt-rungs li:nth-child(odd){transform:rotate(-.5deg)}.lt-rungs li:nth-child(2n){transform:rotate(.45deg)}.lt-rungs li:before{content:"";position:absolute;top:26px;left:-43px;width:18px;height:18px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#f28a78,var(--rust) 60%,var(--rust-dark));box-shadow:0 2px 3px rgba(0,0,0,.4)}.lt-level{grid-column:1;font-size:14px;font-weight:600;color:var(--rust)}.lt-rungs h3{grid-column:1;font-size:23px;font-weight:700;line-height:1.2;color:var(--navy)}.lt-rungs p{grid-column:1;margin:2px 0 0;color:var(--muted);font-size:16px}.lt-sample{grid-column:2;grid-row:1/span 3;justify-self:end;font-family:var(--font-hand),"Comic Sans MS",cursive;color:var(--pencil)}.lt-sum-small{display:inline-flex;align-items:center;gap:8px;font-size:26px}.lt-bar{display:block;width:122px;height:auto}.lt-bar rect{fill:#fff;stroke:var(--pencil);stroke-width:1.4}.lt-bar rect.on{fill:var(--mustard)}.lt-rungs li.root{background:var(--mustard)}.lt-rungs li.root:before{background:radial-gradient(circle at 35% 30%,#fff,#f7cf73 60%,var(--mustard));box-shadow:0 0 0 4px rgba(224,163,46,.35)}.lt-rungs li.root .lt-level,.lt-rungs li.root h3,.lt-rungs li.root p{color:var(--navy-dark)}.lt-rungs li.root .lt-bar rect{stroke:var(--navy-dark)}.lt-rungs li.root .lt-bar rect.on{fill:var(--rust)}.lt-landing{max-width:var(--column);margin:36px auto 0;color:#fff;font-family:var(--font-display),"Segoe UI",sans-serif;font-size:clamp(26px,3.2vw,38px);font-weight:700;line-height:1.12}.lt-shelf-wall{padding:64px var(--gutter) 48px;background:var(--paper)}.lt-shelf,.lt-shelf-wall>h2{max-width:var(--column);margin-left:auto;margin-right:auto}.lt-shelf-wall>h2{font-size:clamp(32px,4vw,44px);font-weight:800;color:var(--navy)}.lt-shelf{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:12px;gap:12px;margin-top:16px;padding:12px;border-radius:6px;background:var(--wood-grain),var(--birch);background-blend-mode:multiply;box-shadow:0 10px 0 var(--birch-dark);list-style:none;counter-reset:step}.lt-shelf li{counter-increment:step;padding:14px 16px 18px;background:#fbf4e6}.lt-shelf li:before{content:counter(step);display:inline-grid;place-items:center;width:44px;height:36px;margin-bottom:8px;border-radius:4px 4px 10px 10px;background:var(--navy);color:#fff;font-family:var(--font-display),"Segoe UI",sans-serif;font-weight:800;font-size:20px}.lt-shelf li:first-child:before{background:var(--rust)}.lt-shelf li:nth-child(2):before{background:var(--mustard);color:var(--navy-dark)}.lt-shelf h3{font-size:24px;font-weight:700;line-height:1.15;color:var(--navy)}.lt-shelf p{margin:4px 0 0;color:var(--muted);font-size:16px}.lt-end{position:relative;padding:28px var(--gutter) 64px;background:var(--paper)}.lt-end .room-bunting{display:block;position:absolute;top:0;left:0;width:100%;height:auto;aspect-ratio:1500/56}.lt-chalkboard{position:relative;max-width:var(--column);margin:clamp(40px,4.4vw,76px) auto 0;padding:clamp(28px,4vw,48px);border:14px solid var(--birch);border-radius:6px;background:radial-gradient(ellipse at 30% 20%,rgba(255,255,255,.07),transparent 60%),var(--chalkboard);box-shadow:0 8px 0 var(--birch-dark);color:#fff}.lt-chalkboard,.lt-chalkboard h2{font-family:var(--font-hand),"Comic Sans MS",cursive}.lt-chalkboard h2{font-size:clamp(38px,5.6vw,66px);font-weight:700;line-height:1.05}.lt-chalkboard>p:not(.lt-small){margin:6px 0 0;color:#e7f0e9;font-size:23px}.lt-chalkboard .lt-picker{margin-top:16px;font-family:var(--font-body),sans-serif}.lt-chalkboard .lt-small{margin-top:18px;color:#d3e2d7;font-size:18px}.lt-foot{padding:18px var(--gutter) 22px;background:var(--wood-grain),var(--birch);background-blend-mode:multiply;color:var(--navy-dark);font-size:14px;font-weight:500}@keyframes lt-draw{to{stroke-dashoffset:0}}@keyframes lt-sway{0%{transform:rotate(-1.3deg)}to{transform:rotate(1.3deg)}}@supports (animation-timeline:view()){.lt-trace{animation:lt-trace linear both;animation-timeline:view();animation-range:entry 30% cover 72%}@keyframes lt-trace{0%{transform:scaleY(0)}to{transform:scaleY(1)}}}@media (prefers-reduced-motion:reduce){.lt-wrong path{animation:none;stroke-dashoffset:0}.lt-trace,.room-planter{animation:none;transform:none}.lt-picker a{transition:none}}@media (max-width:860px){.lt{font-size:16px}.room-windows{height:104px}.room-planter.one{left:3%;width:60px;height:120px}.room-planter.two{display:none}.room-planter.three{right:4%;width:60px;height:120px}.lt-top{top:10px;left:50%;transform:translateX(-50%);white-space:nowrap}.lt-hero-grid{grid-template-columns:minmax(0,1fr);gap:32px;padding:28px 16px 20px}.lt-board{margin-bottom:18px}.lt-sum{font-size:48px}.lt-picker a{flex:1 1;padding:11px 6px 9px;font-size:19px}.room-bench{height:120px;aspect-ratio:auto}.lt-rungs{--rail:8px;padding-left:30px}.lt-rungs li{grid-template-columns:minmax(0,1fr);padding:14px 16px}.lt-rungs li:before{left:-31px}.lt-sample{grid-column:1;grid-row:auto;justify-self:start;margin-top:10px}.lt-shelf{grid-template-columns:minmax(0,1fr)}.lt-end .room-bunting{height:40px;aspect-ratio:auto}.lt-chalkboard{margin-top:28px;border-width:10px}}