:root{color-scheme:light;--navy:#073448;--orange:#ed6748;--paper:#fffaf3;--muted:#516771;--line:#e1e8e4}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--navy);font-family:"Trebuchet MS",Arial,sans-serif;-webkit-font-smoothing:antialiased}.masthead,main,footer{width:min(1180px,calc(100% - 64px));margin-inline:auto}.masthead{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:28px 0;border-bottom:1px solid var(--line)}.masthead img{display:block;width:190px;height:auto}.level{font-size:11px;font-weight:700;letter-spacing:1.7px}.level span{padding-inline:8px;color:var(--orange)}.hero{display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:center;padding:78px 0 64px}.eyebrow{font-size:10px;font-weight:700;letter-spacing:1.6px;line-height:1.7;margin:0 0 20px}.eyebrow>span{font-size:19px;vertical-align:middle;color:var(--orange);margin-right:7px}h1{font-size:clamp(40px,4.8vw,64px);line-height:1.1;letter-spacing:-2.8px;margin:0 0 25px}h1 span{color:var(--orange)}.lede{color:var(--muted);font-size:18px;line-height:1.65;margin:0}.learning-path{display:flex;align-items:center;gap:13px;margin-top:29px;font-size:12px;font-weight:700}.learning-path span{background:white;border:1px solid var(--line);border-radius:30px;padding:10px 16px}.learning-path b{color:#81a99a}.math-art{height:320px;position:relative;isolation:isolate}.art-grid{position:absolute;inset:8px 20px;border-radius:44% 46% 40% 40%;background-color:#e4f0e8;background-image:radial-gradient(#b8d2c4 1px,transparent 1px);background-size:18px 18px;transform:rotate(-7deg)}.fraction-card{position:absolute;z-index:2;inset:70px 28px 65px 25px;background:#fffdf8;padding:25px 28px;border:2px solid var(--navy);border-radius:18px;transform:rotate(-5deg);box-shadow:6px 8px 0 var(--navy)}.fraction-card small{font-size:9px;font-weight:bold;letter-spacing:1px;white-space:nowrap}.fraction-bar{display:flex;gap:4px;margin:24px 0 18px;height:35px}.fraction-bar i{flex:1;border:1px solid var(--orange);background:#fff1df;border-radius:3px}.fraction-bar i:nth-child(-n+2){background:var(--orange)}.fraction-equation{font-size:26px;font-weight:700;text-align:center;white-space:nowrap}.fraction-equation span{font-size:19px;color:#91a29f;margin-inline:7px}.shape{position:absolute;z-index:3}.triangle{width:0;height:0;border-left:27px solid transparent;border-right:27px solid transparent;border-bottom:48px solid #efba52;right:0;top:25px;transform:rotate(17deg)}.square{left:8px;bottom:32px;width:57px;height:57px;border:2px solid var(--navy);background:#e9bbdb;border-radius:12px;transform:rotate(12deg);text-align:center;line-height:52px;font-size:37px}.spark{position:absolute;left:32px;top:19px;color:var(--orange);font-size:47px}.note{position:absolute;bottom:10px;right:23px;font-size:13px;font-weight:700;transform:rotate(4deg)}.activities{padding:36px 0 64px;border-top:1px solid var(--line)}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:20px}.section-heading .eyebrow{margin-bottom:7px;color:var(--muted)}h2{font-size:27px;letter-spacing:-.6px;margin:0}.badge{background:#e7eee6;border-radius:30px;padding:9px 14px;font-size:11px;font-weight:700}.empty-state{display:flex;align-items:center;gap:22px;background:#fffefb;border:1px dashed #a9bfb4;border-radius:16px;margin-top:25px;padding:27px 30px}.empty-icon{font-size:29px;color:var(--orange);background:#fff0e2;border-radius:12px;padding:11px 17px}h3{font-size:17px;margin:0 0 8px}.empty-state p{color:var(--muted);font-size:14px;line-height:1.7;margin:0;max-width:600px}footer{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding:22px 0 28px;font-size:11px;color:var(--muted)}a:focus-visible{outline:3px solid var(--orange);outline-offset:6px}@media(max-width:760px){.masthead,main,footer{width:calc(100% - 36px)}.masthead{padding:20px 0}.masthead img{width:145px}.level{font-size:9px;letter-spacing:.6px;max-width:105px;line-height:1.8;text-align:right}.level span{padding-inline:2px}.hero{grid-template-columns:1fr;gap:22px;padding:48px 0 40px}h1{font-size:clamp(38px,8vw,58px);letter-spacing:-1.8px}.lede{font-size:16px}.math-art{height:290px;width:min(100%,430px);margin:0 auto}.fraction-card{padding-inline:20px;inset-inline:20px}.fraction-card small{font-size:8px;letter-spacing:.5px}.fraction-equation{font-size:24px}.activities{padding:30px 0 40px}h2{font-size:23px}.empty-state{padding:22px 18px;align-items:flex-start;gap:14px}.empty-icon{padding:8px 12px;font-size:24px}.empty-state p{font-size:13px}footer{font-size:10px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}

.activity-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:27px}.activity-card{display:flex;flex-direction:column;border:1px solid #b9cec2;background:#fffefb;border-radius:16px;padding:25px;text-decoration:none;box-shadow:0 4px 0 #dfe8df;transition:transform .15s,box-shadow .15s}.activity-card:hover{transform:translateY(-3px);box-shadow:0 7px 0 #dfe8df}.activity-week{font-size:9px;letter-spacing:1px;font-weight:700;color:#986243}.activity-art{display:block;padding:26px 8px;font-size:29px;font-weight:700;color:#d66444;letter-spacing:4px}.activity-art b{color:#197b75}.activity-card h3{font-size:20px;line-height:1.3;letter-spacing:-.5px}.activity-card p{color:#516771;font-size:14px;line-height:1.7;margin:3px 0 25px}.activity-link{font-size:12px;font-weight:700;margin-top:auto}.activity-card.teal-card .activity-week{color:#197b75}.activity-card.purple-card .activity-week{color:#7553a1}@media(max-width:850px){.activity-grid{grid-template-columns:1fr 1fr}}@media(max-width:560px){.activity-grid{grid-template-columns:1fr}}