._welcome_9zcyb_1{color:#25334f;min-width:0;line-height:1.65}._hero_9zcyb_1{background:linear-gradient(125deg,#edf3ff,#fff 80%);border:1px solid #dce5f9;border-radius:22px;grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);gap:36px;padding:38px;display:grid}._eyebrow_9zcyb_1{letter-spacing:1.1px;color:#466092;align-items:center;gap:8px;font-size:11px;font-weight:800;display:inline-flex}._hero_9zcyb_1 h1{letter-spacing:-1.4px;margin:20px 0;font-size:clamp(29px,3.6vw,43px);line-height:1.2}._hero_9zcyb_1 h1 span{color:#315cdf}._heroCopy_9zcyb_1>p{max-width:560px;margin-bottom:24px}._primary_9zcyb_1{color:#fff;text-align:center;background:#315cdf;border:0;border-radius:10px;justify-content:center;align-items:center;gap:9px;min-height:46px;padding:11px 17px;font-size:14px;font-weight:700;line-height:1.4;display:inline-flex}._primary_9zcyb_1:hover{background:#244bbf}._free_9zcyb_1{color:#53627d;margin-top:10px;font-size:12px;display:block}._method_9zcyb_1{background:#fff;border:1px solid #e0e7f3;border-radius:16px;align-self:center;padding:25px}._method_9zcyb_1>svg{color:#315cdf}._method_9zcyb_1 h2{margin:10px 0 17px;font-size:17px}._method_9zcyb_1 ol{counter-reset:step;margin:0;padding:0;list-style:none}._method_9zcyb_1 li{counter-increment:step;margin-top:17px;padding-left:38px;position:relative}._method_9zcyb_1 li:before{content:counter(step);color:#315cdf;text-align:center;background:#eef3ff;border-radius:50%;width:26px;height:26px;font-weight:800;position:absolute;top:2px;left:0}._method_9zcyb_1 strong,._method_9zcyb_1 span{display:block}._method_9zcyb_1 span{color:#53627d;font-size:13px}._demo_9zcyb_1{background:#fff;border:1px solid #e0e6f0;border-radius:18px;margin-top:30px;padding:28px;scroll-margin-top:20px}._sectionIntro_9zcyb_1 h2{letter-spacing:-.6px;margin-top:6px;font-size:26px}._sectionIntro_9zcyb_1 p{color:#53627d;margin-top:5px}._tabs_9zcyb_1{flex-wrap:wrap;gap:8px;margin:22px 0;display:flex}._tabs_9zcyb_1 button,._actions_9zcyb_1 button{color:#354968;background:#fff;border:1px solid #cad5e7;border-radius:9px;min-height:44px;padding:9px 12px;font-size:13px;font-weight:650}._tabs_9zcyb_1 button[aria-pressed=true]{color:#244bbf;background:#edf2ff;border-color:#315cdf}._exerciseGrid_9zcyb_1{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:28px;display:grid}._question_9zcyb_1{min-width:0}._question_9zcyb_1 h3{margin:6px 0 18px;font-size:23px;line-height:1.5}._question_9zcyb_1 label{margin-bottom:8px;font-size:14px;font-weight:700;display:block}._answerRow_9zcyb_1{gap:10px;display:flex}._answerRow_9zcyb_1 input{color:#25334f;background:#fff;border:1px solid #9aaac5;border-radius:10px;width:100%;min-width:0;min-height:46px;padding:10px 12px;font-size:18px}._answerRow_9zcyb_1 button{flex-shrink:0}._feedback_9zcyb_1{color:#354968;min-height:26px;margin-top:16px}._feedback_9zcyb_1 strong{color:#25334f}._feedback_9zcyb_1 p{margin-top:5px}._actions_9zcyb_1{flex-wrap:wrap;gap:8px;margin-top:15px;display:flex}._actions_9zcyb_1 button{align-items:center;gap:6px;display:flex}._hints_9zcyb_1{margin:15px 0;padding:0;list-style:none}._hints_9zcyb_1 li{background:#f2f6ff;border-left:3px solid #b2c5ee;margin-top:9px;padding:11px 13px}._hints_9zcyb_1 strong{font-size:13px}._localNotice_9zcyb_1{color:#53627d;margin-top:18px;font-size:12px!important}._lesson_9zcyb_1{background:#f6f8fc;border-radius:13px;min-width:0;padding:22px}._lesson_9zcyb_1 h3{margin:8px 0 13px;font-size:18px}._lesson_9zcyb_1 ol{margin:0;padding-left:20px;font-size:14px}._lesson_9zcyb_1 li+li{margin-top:10px}._example_9zcyb_1{border-top:1px solid #dce3ef;margin-top:20px;padding-top:15px}._example_9zcyb_1 strong{color:#466092;font-size:13px}._example_9zcyb_1 p{margin-top:7px}._scope_9zcyb_1{background:#fff;border:1px solid #e0e6f0;border-radius:16px;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:30px;margin-top:28px;padding:26px;display:grid}._scope_9zcyb_1 h2{font-size:21px;line-height:1.4}._scope_9zcyb_1 p{color:#53627d;margin-top:10px}._parent_9zcyb_1 h3{font-size:18px}._parent_9zcyb_1 a{margin-top:18px}._mobileNav_9zcyb_1 a{flex:1;min-width:0!important}._mobileNav_9zcyb_1 a span{white-space:nowrap;font-size:10px}:is(._welcome_9zcyb_1 button:focus-visible,._welcome_9zcyb_1 a:focus-visible,._welcome_9zcyb_1 input:focus-visible){outline-offset:3px;outline:3px solid #284fc4}@media (max-width:1000px){._hero_9zcyb_1{gap:22px;padding:28px}._exerciseGrid_9zcyb_1{gap:20px}._demo_9zcyb_1{padding:24px}}@media (max-width:700px){._hero_9zcyb_1,._exerciseGrid_9zcyb_1,._scope_9zcyb_1{grid-template-columns:minmax(0,1fr)}._hero_9zcyb_1{gap:25px;padding:24px 20px}._hero_9zcyb_1 h1{letter-spacing:-.8px;font-size:30px}._method_9zcyb_1{padding:20px}._demo_9zcyb_1{padding:22px 18px}._tabs_9zcyb_1 button{padding:9px 10px;font-size:12px}._question_9zcyb_1 h3{font-size:22px}._answerRow_9zcyb_1{gap:8px}._answerRow_9zcyb_1 ._primary_9zcyb_1{padding:11px 13px}._scope_9zcyb_1{gap:25px;padding:23px 20px}._parent_9zcyb_1{border-top:1px solid #dce3ef;padding-top:20px}._mobileNav_9zcyb_1{gap:0!important;padding-left:5px!important;padding-right:5px!important}._localNotice_9zcyb_1{line-height:1.6}}._heroActions_9zcyb_4{flex-wrap:wrap;align-items:center;gap:12px;display:flex}._secondary_9zcyb_4{color:#244bbf;background:#fff;border:1px solid #b8c9eb;border-radius:9px;justify-content:center;align-items:center;min-height:44px;padding:9px 12px;font-size:14px;font-weight:700;display:inline-flex}._pathways_9zcyb_4{border-top:1px solid #d8e2f5;margin-top:23px;padding-top:17px}._pathways_9zcyb_4 h2{font-size:17px;line-height:1.4}._pathways_9zcyb_4 ._tabs_9zcyb_1{margin:12px 0}._pathways_9zcyb_4 p{margin:0;font-size:14px!important}._pathways_9zcyb_4 small{color:#53627d;margin-top:8px;font-size:12px;line-height:1.6;display:block}._gradeLogin_9zcyb_4{color:#244bbf;align-items:center;min-height:44px;margin-top:19px;font-size:14px;font-weight:650;text-decoration:underline;display:inline-flex}._answerPrompt_9zcyb_4{color:#53627d;margin:-8px 0 17px;font-size:14px!important}._publicTopbar_9zcyb_4{flex-wrap:wrap;gap:10px;min-height:75px;height:auto!important;padding-top:12px!important;padding-bottom:12px!important}._publicTopbar_9zcyb_4 ._primary_9zcyb_1{padding:10px 14px;font-size:13px}@media (max-width:700px){._publicTopbar_9zcyb_4>span:last-child>span{display:none}._hero_9zcyb_1 h1{margin:14px 0;font-size:27px}._heroCopy_9zcyb_1>p{margin-bottom:17px}._heroActions_9zcyb_4{gap:8px}._heroActions_9zcyb_4 ._primary_9zcyb_1{width:100%;font-size:13px}._heroActions_9zcyb_4 ._secondary_9zcyb_4{font-size:13px}._pathways_9zcyb_4{margin-top:16px;padding-top:14px}._pathways_9zcyb_4 ._tabs_9zcyb_1{gap:7px}._pathways_9zcyb_4 ._tabs_9zcyb_1 button{flex:1;padding:9px 7px}._pathways_9zcyb_4 small,._hero_9zcyb_1 ._free_9zcyb_1{font-size:11px}._hero_9zcyb_1{padding-top:20px}}