:root{--ink:#173b3a;--muted:#607674;--paper:#fbfaf6;--teal:#14675c;--line:#dce5df;--mint:#e5f1e7;--coral:#ed8064;--shadow:0 8px 30px #173b3a06;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--paper);font-size:16px;line-height:1.6}
*{box-sizing:border-box}body{margin:0}a{color:var(--teal);text-underline-offset:4px}button,input,select,textarea{font:inherit}button,a,input,select,textarea,summary{outline-offset:5px}button{cursor:pointer}button:disabled{cursor:default}img{max-width:100%;height:auto}h1,h2,h3,p{margin:0 0 1rem}h1,h2,h3{line-height:1.14;letter-spacing:-.04em}h1{font-size:clamp(2rem,4.5vw,4.7rem)}h2{font-size:clamp(1.5rem,2.6vw,2.15rem)}h3{font-size:1.4rem}hr{border:0;border-top:1px solid var(--line);margin:1.7rem 0}.wrap{max-width:1180px;margin:auto;padding:0 32px}.site-header{border-bottom:1px solid var(--line);background:#fffefa}.nav{min-height:108px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{text-decoration:none;display:flex;align-items:center;gap:0;font-weight:800;font-size:24px;letter-spacing:-1.4px;color:var(--ink)}.brand>span:not(.brand-icon){color:var(--teal)}.brand small{font-size:14px;align-self:flex-end;margin:0 0 8px 2px;letter-spacing:0}.brand-icon{display:grid;place-content:center;position:relative;width:44px;height:44px;background:var(--mint);border-radius:12px;margin-right:12px;font-size:23px;letter-spacing:-2px}.brand-icon span{position:absolute;right:-4px;bottom:-6px;font-size:18px;letter-spacing:0;color:var(--teal)}nav{display:flex;gap:25px;align-items:center}nav>a{text-decoration:none;font-weight:600;font-size:14px}nav>form{margin:0}.text-button{border:0;background:none;color:var(--teal);padding:0;font-size:14px;font-weight:600}.button{display:inline-flex;justify-content:center;align-items:center;gap:25px;padding:15px 24px;background:var(--teal);color:white;border:1px solid var(--teal);border-radius:9px;text-decoration:none;font-weight:700;line-height:1.4;transition:background .15s,transform .15s}.button:hover{background:#0c5148;transform:translateY(-1px)}.button:disabled{opacity:.45;transform:none}.button.secondary{background:transparent;color:var(--teal);border-color:#aec9bd}.button.secondary:hover{background:var(--mint)}.button.small{padding:11px 17px;font-size:14px}.main{min-height:65vh;padding-top:54px;padding-bottom:70px}.hero{display:grid;grid-template-columns:1.45fr 1fr;align-items:center;gap:20px;padding:22px 0 80px}.eyebrow{text-transform:uppercase;letter-spacing:1.6px;font-size:11px;font-weight:800;display:inline-block;margin-bottom:16px}.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--teal);margin-right:7px}.hero h1{margin:10px 0 24px;line-height:1.06;font-size:clamp(2.5rem,4.8vw,4.3rem)}h1 em{font-style:normal;color:var(--teal);position:relative}h1 em:after{content:'';position:absolute;height:5px;background:var(--coral);bottom:0;left:0;right:0;border-radius:60%;transform:rotate(-2deg)}.lead{font-size:18px;line-height:1.7;color:var(--muted);max-width:570px;margin-bottom:28px}.actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}.muted{font-size:14px;color:var(--muted)}.hero-art{background:#e8f0df;border-radius:48% 46% 42% 50%;min-height:335px;display:flex;align-items:center;justify-content:center;position:relative;margin:0 10px 0 25px}.hero-art img{width:90%;max-width:310px;max-height:250px;object-fit:contain}.bubble{position:absolute;background:#fffdf7;border:1px solid #d8e3ce;border-radius:12px;padding:10px 16px;font-size:14px;font-weight:bold;box-shadow:var(--shadow)}.bubble-one{left:-25px;top:33px;transform:rotate(-8deg)}.bubble-two{right:-10px;bottom:30px;transform:rotate(7deg)}.hero-spark{position:absolute;top:7px;right:15px;font-size:56px;color:var(--coral)}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:20px 0 26px}.section-heading h2,.section-heading h1{margin:0}.section-heading p{max-width:250px;font-size:14px;color:var(--muted);margin:0}.grid{display:grid;gap:22px}.three{grid-template-columns:repeat(3,minmax(0,1fr))}.two{grid-template-columns:repeat(2,minmax(0,1fr))}.subject-card{position:relative;padding:30px;border-radius:15px;color:var(--ink);text-decoration:none;display:flex;flex-direction:column;min-height:300px;border:1px solid #d5e5d9;transition:transform .15s}.subject-card:hover{transform:translateY(-5px)}.subject-card.spelling{background:#e8f1e7}.subject-card.verb{background:#f5ebd5;border-color:#e9ddbc}.subject-card.vocabulary{background:#e9edf5;border-color:#d9dfeb}.subject-symbol{font-size:36px;font-weight:800;letter-spacing:-3px;margin-bottom:28px;line-height:1}.number{position:absolute;top:30px;right:28px;font-size:12px;opacity:.5}.subject-card p{font-size:15px;line-height:1.6;color:#526763;margin-bottom:30px}.card-link{font-size:14px;font-weight:700;display:flex;justify-content:space-between;gap:20px;margin-top:auto;text-decoration:none;align-items:center}.card-link span{font-size:22px}.school-banner{display:flex;justify-content:space-between;align-items:center;gap:25px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:36px 40px;margin:48px 0 0}.school-banner h2{font-size:25px}.school-banner p{font-size:14px;color:var(--muted);margin:0}.school-banner .button{white-space:nowrap}.footer{border-top:1px solid var(--line);padding-top:32px;padding-bottom:32px;display:flex;align-items:center;flex-wrap:wrap;gap:20px;font-size:13px}.footer p{color:var(--muted);margin:0}.brand-text{font-weight:700;text-decoration:none}.footer nav{margin-left:auto;flex-wrap:wrap}.footer nav a{font-size:12px}.page-title{font-size:clamp(2rem,4vw,3.2rem);margin-bottom:16px}.compact-title{font-size:clamp(1.7rem,3vw,2.4rem);margin-bottom:24px}.panel,.test-card{background:white;border:1px solid var(--line);border-radius:14px;padding:32px;box-shadow:var(--shadow)}.panel{margin-bottom:24px}.test-card{display:flex;flex-direction:column;gap:12px;min-height:210px}.test-card h3{font-size:24px}.test-card .tag{align-self:flex-start}.tag{display:inline-block;border-radius:20px;background:#edf3ec;padding:3px 12px;font-size:11px;font-weight:700;letter-spacing:.5px;white-space:nowrap}.filters{display:flex;align-items:flex-end;gap:18px;background:#fff;border:1px solid var(--line);padding:22px;border-radius:12px;margin-bottom:35px}.filters label{flex:1}.filters .button{height:52px}label{display:flex;flex-direction:column;gap:7px;font-size:13px;font-weight:700}input:not([type=checkbox],[type=hidden]),select,textarea{display:block;width:100%;padding:12px 14px;min-height:50px;border:1px solid #c6d3cd;border-radius:7px;background:#fff;color:var(--ink);font-size:16px;font-weight:400}textarea{resize:vertical;min-height:80px}.stack{display:flex;flex-direction:column;gap:19px}.stack>.button{align-self:flex-start}.check{display:flex;flex-direction:row;align-items:center;gap:9px;font-weight:400}input[type=checkbox]{width:18px;height:18px;accent-color:var(--teal)}.auth-panel{max-width:510px;margin:15px auto 60px}.auth-panel h1{font-size:35px}.auth-panel p{color:var(--muted)}.auth-panel .stack>.button{align-self:stretch}.auth-panel form>a{font-size:13px;text-align:center}.narrow{max-width:780px;margin:24px auto}.notice{border-radius:9px;padding:18px 22px;background:var(--mint);border:1px solid #c5dfc8;margin-bottom:25px;font-size:14px}.notice.error{background:#fff0ea;border-color:#ecc9bc}.notice ul{padding-left:20px;margin-bottom:0}.empty{padding:35px;color:var(--muted);grid-column:1/-1}.back-link{display:inline-block;font-size:14px;margin-bottom:20px;text-decoration:none}.practice-layout{display:grid;grid-template-columns:minmax(0,2.4fr) minmax(220px,1fr);gap:28px}.progress{display:flex;gap:8px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:24px;margin-bottom:24px}.step{width:31px;height:31px;border-radius:50%;display:grid;place-items:center;background:#f0f3ef;font-size:12px;font-weight:700}.step.current{background:var(--teal);color:#fff}.step.correct{background:#c9e9c8}.step.incorrect{background:#f6d5c9}.question{font-size:26px;line-height:1.45;margin-bottom:25px;letter-spacing:-.025em}.question p{margin:0}.answers{display:flex;flex-direction:column;gap:13px}.answer{display:flex;align-items:center;gap:18px;width:100%;padding:18px 20px;border:1px solid var(--line);border-radius:10px;background:#fff;text-align:left;color:var(--ink);line-height:1.5}.answer:hover:not(:disabled){background:#eef5eb;border-color:var(--teal)}.answer-letter{border:1px solid var(--line);border-radius:6px;flex:0 0 30px;height:30px;text-align:center;line-height:28px;font-size:12px;font-weight:700}.answer p,.answer div{margin:0}.answer:disabled{opacity:.6}.answer-correct:disabled{background:#e3f4e2;border-color:#8dbb89;opacity:1}.answer-incorrect:disabled{background:#fff0ea;border-color:#e8ac96;opacity:1}.feedback{padding:23px;border-radius:9px;margin-top:24px}.feedback.good{background:#e3f2e0}.feedback.retry{background:#fff0e7}.feedback h3{font-size:22px}.feedback .button{margin-top:15px}.explanations{padding:12px 0}.explanations h2{font-size:27px}.explanations details{background:white}.explanations .prose{font-size:14px}.result{text-align:center;padding:25px 0}.score{font-size:95px;font-weight:800;line-height:1.2;color:var(--teal);letter-spacing:-6px}.score small{font-size:40px}.result .actions{justify-content:center;margin-top:28px}details{border:1px solid var(--line);border-radius:8px;margin-bottom:12px;padding:15px 18px}summary{cursor:pointer;font-size:14px;font-weight:bold}details[open]>summary{margin-bottom:18px}.prose{line-height:1.8}.prose img{border-radius:7px}.prose h2,.prose h3{margin-top:20px}.search-form{display:flex;gap:12px;max-width:650px;margin-bottom:32px}.search-results{max-width:850px}.school-search{padding:20px 12px}.school-list{list-style:none;padding:0;margin-top:28px}.school-list li{border-bottom:1px solid var(--line);padding:12px 0}.school-list a{display:flex;flex-direction:column;text-decoration:none}.school-list span{font-size:13px;color:var(--muted)}.price{font-size:40px;font-weight:700;letter-spacing:-2px}.table-scroll{overflow-x:auto;margin-bottom:24px;border:1px solid var(--line);border-radius:10px;background:white}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:15px 18px;border-bottom:1px solid var(--line)}th{background:#f0f4ed;font-size:11px;text-transform:uppercase;letter-spacing:.5px}tbody tr:last-child td{border:0}.admin-nav{flex-wrap:wrap;justify-content:flex-start;gap:8px;margin-bottom:35px}.admin-nav a{border:1px solid var(--line);background:#fff;border-radius:6px;padding:6px 12px;font-size:11px}.admin-nav a[aria-current=page]{background:var(--teal);color:#fff}.answer-field{border:1px solid var(--line);border-radius:9px;padding:20px;margin:0 0 18px;display:flex;flex-direction:column;gap:15px}.answer-field legend{padding:0 8px;font-size:13px;font-weight:bold}.question-list{line-height:2}.pagination{display:flex;justify-content:center;gap:25px;font-size:13px;margin:30px 0}.sr-only,.skip{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip:focus{position:fixed;z-index:5;clip:auto;width:auto;height:auto;padding:10px;background:white;margin:10px}.subscription h2{margin-top:8px}.subscription .button{margin:10px 0 22px}
@media(max-width:900px){.nav{flex-wrap:wrap;padding-top:20px;padding-bottom:20px;min-height:100px}.nav nav{gap:18px;flex-wrap:wrap}.hero{grid-template-columns:1.4fr 1fr;gap:0}.hero-art{min-height:260px;margin-left:15px}.hero-art img{max-width:230px}.hero h1{font-size:43px}.bubble{font-size:11px;padding:7px 10px}.hero .actions{gap:12px}.three{gap:15px}.subject-card{padding:24px 20px}.section-heading p{max-width:210px}.school-banner{padding:30px}.practice-layout{grid-template-columns:minmax(0,2fr) minmax(180px,1fr);gap:20px}.panel{padding:25px}}
@media(max-width:640px){.wrap{padding-left:20px;padding-right:20px}.nav{gap:18px}.brand{font-size:23px}.nav nav{width:100%;gap:18px;justify-content:space-between}.nav nav>a,.text-button{font-size:12px}.nav nav .small{padding:8px 11px}.main{padding-top:35px}.hero{grid-template-columns:1fr;padding:0 0 40px}.hero h1{font-size:44px}.hero-art{min-height:230px;max-width:310px;width:90%;margin:42px auto 5px}.hero-art img{max-height:180px}.hero-spark{font-size:42px}.hero .lead{font-size:16px}.three,.two{grid-template-columns:1fr}.section-heading{align-items:flex-start;flex-direction:column;gap:15px}.section-heading p{max-width:none}.subject-card{min-height:250px;padding:25px}.subject-symbol{margin-bottom:18px}.subject-card p{max-width:270px;margin-bottom:18px}.school-banner{padding:25px;flex-direction:column;align-items:flex-start}.school-banner h2{font-size:25px}.footer{gap:10px;align-items:flex-start;flex-direction:column}.footer nav{margin:10px 0 0;gap:15px;flex-wrap:wrap}.filters{flex-direction:column;align-items:stretch;padding:18px}.filters .button{width:100%}.practice-layout{grid-template-columns:1fr}.question{font-size:23px}.answer{padding:14px;gap:12px}.panel{padding:23px 20px}.main .auth-panel{margin-top:0}.auth-panel h1{font-size:31px}.explanations{padding-top:0}.search-form{gap:8px}.search-form .button{padding:12px 18px}.price{font-size:35px}.admin-nav{gap:5px}.admin-nav a{padding:5px 8px;font-size:10px}.progress{gap:6px}.step{width:27px;height:27px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}
/* Breadcrumbs mirror the structured navigation shown to search engines. */
.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:.5rem;list-style:none;padding:0;margin:0 0 1.5rem;font-size:.9rem;color:var(--muted)}.breadcrumbs li+li:before{content:"/";margin-right:.5rem}.breadcrumbs a{color:inherit}

/* Keep long labels and narrow layouts inside their cards. */
.grid > *, .practice-layout > *, .section-heading > * { min-width: 0; }
h1, h2, h3, .prose, .notice, .breadcrumbs, .question-list { overflow-wrap: anywhere; }
h1, h2, h3 { hyphens: auto; }
.hero h1 { hyphens: none; }
.hero h1 em { white-space: nowrap; }
.button { max-width: 100%; }
.answer > span:last-child { min-width: 0; overflow-wrap: anywhere; }
.answer-letter, .check input[type="checkbox"] { flex-shrink: 0; }
.answer-field { min-inline-size: 0; }
.grid + .notice { margin-top: 25px; }
.subscription-grid { grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr)); }
.table-scroll a { display: inline-block; white-space: nowrap; padding: 4px 0; }
.question-list a, .check a { display: inline-block; }
.search-form { flex-wrap: wrap; }
.search-form input { flex: 1 1 200px; min-width: 0; }
.search-form .button { flex: 0 0 auto; }
.practice-layout { align-items: start; }
@media (max-width: 900px) {
    .practice-layout { grid-template-columns: 1fr; }
}
@media (min-width: 901px) {
    .explanations { position: sticky; top: 24px; max-height: calc(100vh - 48px); overflow: auto; padding-right: 6px; }
}
.guide-section{margin-top:44px}.guide-header{max-width:850px}.guide>.lead{max-width:760px}.guide-section>.prose,.guide-section.prose{max-width:850px}.guide-section>p{max-width:850px}.guide-section .panel{margin-bottom:0}.guide-links{padding-left:22px;margin-bottom:0}.guide-links li{margin-bottom:10px}.guide-figure{margin:28px 0}.guide-figure img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:10px;background:#fff}.guide-figure figcaption{font-size:13px;color:var(--muted);margin-top:10px}.footer nav{width:100%;margin-left:0;gap:12px 24px}.guide-section .test-card h3{font-size:21px}
.subscription-offer{display:flex;align-items:center;justify-content:space-between;gap:32px;background:var(--mint);border:1px solid #b8d2bd;border-left:5px solid var(--teal);border-radius:14px;padding:30px 32px;margin:0 0 36px}.subscription-offer h2{font-size:clamp(1.5rem,2.6vw,2rem);margin-bottom:14px}.subscription-offer .eyebrow{margin-bottom:10px}.subscription-offer p{max-width:680px;margin-bottom:0}.subscription-offer p+p{margin-top:10px}.subscription-offer-action{display:flex;flex-direction:column;align-items:center;gap:12px;flex-shrink:0}.subscription-offer-action .button{white-space:nowrap}.subscription-offer-action .muted{font-size:12px}.hero-subscription-note{margin-top:18px;max-width:540px}
@media(max-width:900px){.subscription-offer{align-items:flex-start;flex-direction:column;gap:22px}.subscription-offer-action{align-items:flex-start}}
@media(max-width:640px){.subscription-offer{padding:24px 20px}.subscription-offer-action{width:100%;align-items:stretch}.subscription-offer-action .muted{text-align:center}.nav nav .subscription-nav{order:1;flex-basis:100%;font-size:14px;padding:11px 17px}.hero .actions>.button{width:100%}}