/* Homepage: clear entry points for topic practice, mocks and the free sample. */
.site-nav{gap:24px}.site-nav>a[href="practice.html"],.site-nav>a[href="mocks.html"]{font-weight:800;color:var(--navy)}
.hero{gap:48px}.hero h1{font-size:clamp(2.7rem,4.8vw,4rem)}.hero-mocks-button{background:white;color:var(--navy);border-color:#ccd9e8}.hero-mocks-button span{color:var(--blue)}
.student-portal{position:relative;z-index:2;padding:26px;border:1px solid #e4ebf4;border-radius:24px;background:rgba(255,255,255,.97);box-shadow:var(--shadow)}
.student-portal>.panel-kicker{margin-bottom:16px;font-size:.66rem}.portal-link{display:flex;align-items:center;gap:15px;padding:22px 0;border-top:1px solid var(--line);transition:color .15s}.portal-link:hover strong{color:var(--blue)}.portal-icon{display:grid;place-items:center;flex:0 0 46px;height:46px;border-radius:14px;background:var(--blue-soft);color:var(--blue);font-weight:800;font-size:1.25rem}.portal-mocks .portal-icon{background:var(--mint-soft);color:#127c67}.portal-link strong{display:block;font-size:1.6rem;letter-spacing:-.04em}.portal-link small{display:block;margin:5px 0 8px;color:var(--muted);font-size:.81rem;line-height:1.6}.portal-link em{display:block;color:#47725e;font-size:.69rem;font-weight:650;font-style:normal}.portal-arrow{margin-left:auto;color:var(--blue);font-size:1.3rem}.portal-preview{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:13px 15px;border-radius:12px;background:var(--navy);color:white;font-size:.76rem;font-weight:750}.portal-preview span{color:var(--mint);font-size:1.1rem}.portal-preview:hover{background:var(--navy-2)}
.home-practice{padding-top:70px;padding-bottom:70px}.practice-paper-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:28px}.practice-paper-card{display:flex;flex-direction:column;align-items:flex-start;padding:30px;border:1px solid #dce5ef;border-radius:20px;background:white;box-shadow:0 8px 22px rgba(16,39,71,.04);transition:border-color .15s,box-shadow .15s}.practice-paper-card:hover{border-color:#97b5e7;box-shadow:var(--shadow)}.paper-label{padding:5px 9px;border-radius:7px;background:var(--blue-soft);color:var(--blue);font-size:.68rem;font-weight:800;letter-spacing:.08em}.gat-paper .paper-label{background:var(--mint-soft);color:#127c67}.practice-paper-card h3{margin:16px 0 8px;font-size:1.6rem;letter-spacing:-.035em}.practice-paper-card p{color:var(--muted);font-size:.9rem;max-width:430px}.paper-features{color:#778ba4;font-size:.73rem}.paper-cta{display:flex;align-items:center;gap:16px;width:100%;margin-top:24px;padding-top:18px;border-top:1px solid var(--line);font-weight:750;font-size:.87rem;color:var(--blue)}.paper-cta>span{margin-left:auto;font-size:1.2rem}
.sample-heading h2{font-size:clamp(2rem,3vw,2.65rem)}.sample-meta{flex-wrap:wrap}.sample-meta span{white-space:normal}.sample-wrap:has(.test-room:not([hidden])),.sample-wrap:has(.sample-results:not([hidden])){grid-template-columns:1fr}.sample-wrap:has(.test-room:not([hidden])) .sample-heading,.sample-wrap:has(.sample-results:not([hidden])) .sample-heading{position:static;max-width:760px}.sample-wrap:has(.test-room:not([hidden])) .sample-heading h2 br,.sample-wrap:has(.sample-results:not([hidden])) .sample-heading h2 br{display:none}
.test-layout{grid-template-columns:minmax(0,1fr) 250px;min-height:475px}.question-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:7px}.grid-paper-label{grid-column:1/-1;color:#637994;font-size:.7rem;padding:3px 0}.grid-paper-label:not(:first-child){margin-top:6px}.question-index{min-height:37px;font-size:.74rem}.question-meta{flex-wrap:wrap}.question-pane{padding:26px}.question-pane h3{white-space:pre-wrap;font-size:1.04rem;font-weight:600;overflow-wrap:anywhere;min-width:0}.question-pane mjx-container{max-width:100%;overflow-x:auto;overflow-y:hidden}.question-marking{margin:0 0 15px;color:#7a8ba1;font-size:.71rem}.answer-option>span:last-child{white-space:pre-wrap;min-width:0;overflow-wrap:anywhere}.answer-option{min-height:54px}.question-controls{flex-wrap:wrap;gap:12px}.text-control:disabled{opacity:.45;cursor:default}.sample-paper-controls{display:flex;gap:10px;padding:13px 20px;background:#f8faff;border-bottom:1px solid var(--line)}.sample-paper-controls button{flex:1;padding:10px;border:1px solid #dce5ef;border-radius:10px;background:white;color:#627994;font-size:.8rem;font-weight:750}.sample-paper-controls button[aria-pressed="true"]{background:var(--navy);border-color:var(--navy);color:white}.sample-paper-scores{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 18px}.sample-paper-scores p{margin:0;padding:10px 12px;background:#edf5fc;border-radius:9px;color:#476584;font-size:.75rem}.explanation-item{padding:14px 16px}.explanation-item summary{cursor:pointer;color:#344b68;font-size:.78rem;font-weight:750;line-height:1.6}.explanation-item p{font-size:.82rem;white-space:pre-wrap;overflow-wrap:anywhere}.explanation-item p.review-prompt{margin:15px 0 12px;color:var(--ink);font-weight:600}.explanation-item p.review-correct{margin:10px 0;color:#15826a;font-weight:650}.worked-steps{margin:15px 0 0;padding-left:24px}.worked-steps li{padding:0 0 12px 6px;color:#6f849e;font-size:.8rem}.worked-steps strong{font-size:.78rem}.worked-steps mjx-container{max-width:100%;overflow-x:auto;overflow-y:hidden}.timer-wrap time{font-variant-numeric:tabular-nums}.timer-wrap{min-width:116px}
@media(max-width:900px){.hero{gap:24px}.student-portal{padding:22px}.portal-link{gap:12px}.portal-link strong{font-size:1.4rem}.site-nav{gap:15px}}
@media(max-width:700px){.student-portal{padding:21px}.hero{gap:22px}.hero h1{font-size:clamp(2.65rem,10vw,3.6rem)}.hero-actions>.button{flex:1;white-space:nowrap}.portal-link small{font-size:.79rem}.portal-preview{font-size:.77rem}.home-practice{padding-block:48px}.practice-paper-grid{grid-template-columns:1fr;gap:16px}.practice-paper-card{padding:24px}.practice-paper-card h3{font-size:1.45rem}.sample-wrap,.sample-wrap:has(.test-room:not([hidden])),.sample-wrap:has(.sample-results:not([hidden])){grid-template-columns:1fr}.test-layout{grid-template-columns:1fr}.question-pane{padding:20px 16px}.question-nav{display:block;padding:16px}.question-nav-head{margin-bottom:12px}.question-grid{grid-template-columns:repeat(5,minmax(0,1fr))}.question-legend{margin:13px 0}.button-submit{width:100%}.sample-paper-controls{padding:12px 14px}.sample-paper-controls button{padding:10px 6px;font-size:.72rem}.question-controls>div{display:flex;gap:8px;margin-left:auto}.question-controls .button{font-size:.75rem;padding:10px}.test-topbar{flex-wrap:wrap;gap:10px}.test-subject-label{font-size:.7rem}.question-pane h3{font-size:.99rem}.sample-welcome-copy>div>p:last-child{font-size:.86rem}.sample-results{padding:20px 16px}.result-score-row{flex-wrap:wrap}.explanation-item{padding:13px}.sample-paper-scores{display:grid}.timer-caption{font-size:.56rem}.sample-heading h2{font-size:2rem}}