:root{--navy:#0b3974;--ink:#172d48;--muted:#607085;--line:#dce4ed;--paper:#f2f5f9;--teal:#177f92;--light:#eaf1fa;--rose:#ca2454}*{box-sizing:border-box}html{scroll-behaviour:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}a{color:inherit;text-decoration:none}a:focus-visible{outline:3px solid #cf9a20;outline-offset:3px}.site-header{background:#fff;border-top:5px solid var(--navy);border-bottom:1px solid var(--line)}.header-inner,.page,.footer-inner{max-width:1240px;margin:auto;padding-left:30px;padding-right:30px}.header-inner{min-height:91px;display:flex;align-items:center;justify-content:space-between;gap:25px}.brand{display:flex;align-items:center;gap:13px;font-size:21px;font-weight:750;letter-spacing:-.03em}.brand-mark{width:47px;height:47px;display:grid;place-items:center;border-radius:12px;background:#245b49;color:#fff;font:32px Georgia,serif;position:relative}.brand-mark:after{content:"";position:absolute;right:8px;top:7px;width:7px;height:7px;background:#b9c794;border-radius:50%}.brand small{display:block;color:var(--muted);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.16em;line-height:1.2}.nav{display:flex;align-items:center;gap:23px;font-size:14px;color:#50647c;font-weight:650}.nav a:hover,.nav a[aria-current=page]{color:var(--navy)}.page{padding-top:58px;padding-bottom:96px;min-height:calc(100vh - 170px)}.eyebrow{font-size:12px;letter-spacing:.17em;text-transform:uppercase;color:var(--teal);font-weight:800}.hero{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);align-items:center;gap:40px;padding:34px 0 66px}.hero h1,.page-title{font-size:clamp(37px,4.9vw,65px);letter-spacing:-.055em;line-height:1.07;margin:14px 0 21px;max-width:780px}.hero h1 em{font-style:normal;color:var(--navy)}.lead{font-size:19px;line-height:1.55;color:var(--muted);max-width:620px;margin:0}.hero-art{min-height:315px;background:linear-gradient(145deg,#0b3974,#195d8e 73%,#177f92);border-radius:25px;position:relative;overflow:hidden;box-shadow:0 18px 38px #082b5420}.hero-art:before,.hero-art:after{content:"";position:absolute;border:1px solid #ffffff35;border-radius:50%}.hero-art:before{width:420px;height:420px;left:-200px;top:-160px}.hero-art:after{width:370px;height:370px;right:-130px;bottom:-180px}.art-card{position:absolute;width:66%;height:56%;top:20%;left:17%;transform:rotate(-7deg);background:#ffffffeb;border:1px solid #fff;border-radius:19px;box-shadow:0 18px 30px #082b5445;padding:25px}.art-card span{display:block;background:#d6e3ee;height:10px;margin:15px 0;border-radius:10px}.art-card span:first-child{background:var(--rose);width:42%;height:7px}.art-card span:nth-child(3){width:75%}.art-card span:last-child{width:50%;background:#77cbd3}.art-dot{position:absolute;right:15%;top:17%;width:32px;height:32px;border-radius:50%;background:#6ad0d3;box-shadow:0 0 0 14px #ffffff27}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin:0 0 22px}.section-head h2{font-size:27px;letter-spacing:-.035em;margin:6px 0 0}.section-head p{color:var(--muted);font-size:14px;max-width:490px;margin:0}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card{position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:17px;padding:34px 30px 28px;min-height:245px;display:flex;flex-direction:column;box-shadow:0 5px 20px #142f4c08;transition:transform .18s,box-shadow .18s,border-color .18s}.card::before{content:"";position:absolute;top:0;left:30px;width:44px;height:3px;background:#4ebdc8;border-radius:0 0 3px 3px}.card-parents::before{background:#bd7594}.card[href]:hover{transform:translateY(-4px);border-color:#9ebdcf;box-shadow:0 14px 32px #142f4c19}.card[href]:focus-visible{outline:3px solid #47b4c1;outline-offset:3px}.card-kicker{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#497886;font-weight:800;margin-bottom:24px}.card h3{font-size:23px;letter-spacing:-.025em;line-height:1.25;margin:0 0 11px}.card p{font-size:15px;line-height:1.6;color:var(--muted);margin:0 0 28px}.card .card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;border-top:1px solid var(--line);padding-top:17px;font-size:14px;font-weight:750;color:var(--navy)}.card .card-foot span{font-size:19px;line-height:1;color:#227f8d;transition:transform .18s}.card[href]:hover .card-foot span{transform:translateX(4px)}.card.muted .card-foot{color:#718293}.card.muted::before{background:#b8c8d2}.panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;margin-top:24px}.panel p{color:var(--muted);margin:8px 0 0}.breadcrumbs{font-size:13px;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap}.breadcrumbs a{color:var(--navy);font-weight:650}.breadcrumbs a:hover{text-decoration:underline}.page-title{font-size:clamp(37px,4vw,54px);margin:12px 0 17px}.subhead{max-width:710px;font-size:18px;color:var(--muted);margin:0 0 38px}.site-footer{background:#fff;border-top:1px solid var(--line)}.footer-inner{padding-top:26px;padding-bottom:27px;display:flex;justify-content:space-between;gap:15px;color:var(--muted);font-size:14px}.footer-inner a{color:var(--navy)}@media(max-width:900px){.hero{grid-template-columns:1fr}.hero-art{min-height:235px}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.header-inner,.page,.footer-inner{padding-left:19px;padding-right:19px}.header-inner{align-items:flex-start;flex-direction:column;padding-top:15px;padding-bottom:16px;gap:14px}.nav{gap:14px;flex-wrap:wrap;font-size:13px}.page{padding-top:35px;padding-bottom:58px}.hero{padding:10px 0 43px;gap:26px}.hero-art{min-height:210px}.art-card{padding:16px}.grid,.grid.two{grid-template-columns:1fr}.section-head{align-items:flex-start;flex-direction:column}.card{min-height:185px}.panel{padding:22px}.footer-inner{flex-direction:column}}

/* Teacher workspace and sign-in */
.teacher-sections{display:grid;gap:25px}.teacher-section{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px 30px;box-shadow:0 5px 20px #142f4c08}.teacher-section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}.teacher-section h2{font-size:27px;letter-spacing:-.035em;margin:5px 0}.teacher-section p{color:var(--muted);font-size:14px;margin:0}.section-link{font-size:13px;font-weight:750;color:var(--navy);white-space:nowrap}.teacher-tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.teacher-tool{display:flex;align-items:center;gap:15px;padding:18px;border:1px solid var(--line);border-radius:13px;background:#f9fbfd;transition:background .18s,border-color .18s,transform .18s}.teacher-tool:hover{background:#edf6fa;border-color:#9ccad6;transform:translateY(-2px)}.teacher-tool>span:nth-child(2){flex:1;min-width:0}.teacher-tool strong,.teacher-tool small{display:block}.teacher-tool strong{font-size:16px}.teacher-tool small{color:var(--muted);font-size:12px;line-height:1.45;margin-top:3px}.teacher-tool>span:last-child{font-size:21px;color:var(--teal)}.tool-symbol{width:42px;height:42px;flex:none;display:grid;place-items:center;border-radius:11px;background:#e3f2f6;color:var(--navy);font-weight:800}.sign-out{border:1px solid var(--line);border-radius:8px;background:#fff;padding:8px 12px;color:var(--navy);font-weight:700;cursor:pointer}.login-page{display:flex;flex-direction:column}.login-card{width:min(100%,440px);margin:65px auto 0;padding:38px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:0 16px 42px #142f4c12}.login-card h1{font-size:35px;letter-spacing:-.04em;margin:8px 0}.login-card>p{color:var(--muted);margin:0 0 26px}.login-card label{display:block;font-size:13px;font-weight:750;margin:15px 0 6px}.login-card input{width:100%;padding:12px;border:1px solid #b8cbd9;border-radius:9px;font:inherit}.login-card input:focus{outline:3px solid #addde5}.login-card button{width:100%;padding:13px 17px;margin-top:12px;border:0;border-radius:9px;background:var(--navy);color:#fff;font:inherit;font-weight:750;display:flex;justify-content:space-between;cursor:pointer}.login-card button:disabled{opacity:.65}.login-card .login-message{min-height:19px;margin:12px 0 0;color:#a23142;font-size:13px}.login-card .login-foot{font-size:12px;margin:25px 0 0;color:var(--muted)}@media(max-width:700px){.teacher-tool-grid{grid-template-columns:1fr}.teacher-section{padding:22px}.teacher-section-heading{align-items:start;flex-direction:column}.login-card{margin:30px auto;padding:26px}}