:root{--navy:#102a43;--navy-2:#183b56;--ink:#243b53;--muted:#627d98;--line:#d9e2ec;--paper:#f7f9fc;--white:#fff;--clay:#c86b37;--clay-2:#f0a45d;--teal:#167d73;--teal-soft:#e8f6f3;--blue:#3157c8;--blue-soft:#edf1ff;--gold:#e5ae3d;--radius:18px;--shadow:0 16px 44px rgba(16,42,67,.09);--font-sans:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI","Nirmala UI",sans-serif;--font-serif:"Iowan Old Style","Palatino Linotype","Book Antiqua",Georgia,"Nirmala UI",serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--white);font-family:var(--font-sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}body.education-mode{--clay:#4969dc;--clay-2:#7b93ef;--teal:#0e8c79;--teal-soft:#e8f7f4}button,input,textarea,select{font:inherit}button,a{tap-highlight-color:transparent}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}svg{width:1.25rem;fill:none;stroke:currentColor;stroke-width:1.8}.wrap{width:min(1180px,calc(100% - 40px));margin-inline:auto}.skip-link{position:fixed;top:-60px;left:16px;z-index:999;background:var(--navy);color:#fff;padding:10px 16px;border-radius:8px}.skip-link:focus{top:12px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.noticebar{background:var(--navy);color:#dfeaf3;font-size:.78rem;letter-spacing:.01em}.noticebar-inner{height:34px;display:flex;align-items:center;justify-content:space-between}.notice-links{display:flex;align-items:center;gap:8px}.text-button{border:0;background:transparent;color:inherit;padding:2px 3px;cursor:pointer}.text-button.is-active{color:#fff;font-weight:700;text-decoration:underline;text-underline-offset:3px}.site-header{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;backdrop-filter:blur(14px)}.header-main{height:78px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--navy);line-height:1}.brand strong{font-size:1.04rem;letter-spacing:-.035em}.brand small{font-size:.9rem;color:var(--clay);font-weight:800}.brand-mark{display:grid;place-items:center;width:38px;height:38px;background:var(--navy);border-radius:11px;color:#fff}.brand-mark svg{width:28px;stroke-width:2.2}.brand-mark svg path:first-child{stroke:var(--clay-2)}.vertical-switch{display:flex;align-items:center;background:#eef3f8;border-radius:12px;padding:4px;margin-left:auto}.vertical-switch a{padding:7px 12px;border-radius:9px;color:var(--muted);font-size:.82rem;font-weight:750;white-space:nowrap}.vertical-switch a.active{background:var(--white);color:var(--navy);box-shadow:0 2px 9px rgba(16,42,67,.1)}.header-actions{display:flex;align-items:center;gap:9px}.icon-button{display:grid;place-items:center;width:40px;height:40px;border:1px solid var(--line);background:var(--white);border-radius:11px;color:var(--navy);cursor:pointer}.icon-button:hover{border-color:#9fb3c8}.account-button,.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:12px;font-weight:750;font-size:.91rem;border:1px solid transparent;cursor:pointer;transition:.2s}.account-button{background:var(--navy);color:#fff}.menu-button{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:10px;padding:10px}.menu-button span{display:block;height:2px;background:var(--navy);margin:4px;border-radius:4px}.primary-nav{border-top:1px solid #edf2f7}.nav-inner{width:min(1180px,calc(100% - 40px));height:45px;margin:auto;display:flex;align-items:center;gap:26px;overflow:auto}.nav-inner::-webkit-scrollbar{display:none}.nav-inner a{white-space:nowrap;font-size:.83rem;font-weight:700;color:#486581}.nav-inner a:hover,.nav-inner a.active{color:var(--clay)}
.hero{background:linear-gradient(180deg,#fff 0%,#f5f8fb 100%);overflow:hidden}.hero-grid{min-height:620px;display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:54px;padding:68px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;text-transform:uppercase;color:var(--teal);font-size:.75rem;line-height:1.3;font-weight:850;letter-spacing:.13em}.eyebrow:before{content:"";width:22px;height:2px;background:currentColor}.display{font-family:var(--font-serif);font-size:clamp(3rem,5vw,5.6rem);line-height:.98;letter-spacing:-.055em;color:var(--navy);margin:18px 0 24px;max-width:760px}.display em{font-style:normal;color:var(--clay)}.lede{font-size:1.12rem;line-height:1.72;color:#486581;max-width:650px;margin:0 0 28px}.hero-actions,.button-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.button.primary{background:var(--navy);color:#fff}.button.primary:hover{background:var(--navy-2);transform:translateY(-1px)}.button.secondary{background:#fff;border-color:#bcccdc;color:var(--navy)}.button.secondary:hover{border-color:var(--navy)}.button.light{background:#fff;color:var(--navy)}.button.ghost{color:var(--navy);padding-inline:4px}.button svg{width:18px;margin-left:7px}.hero-search{margin-top:32px;display:flex;align-items:center;gap:12px;padding:8px 8px 8px 16px;background:#fff;border:1px solid #bcccdc;border-radius:14px;box-shadow:0 12px 35px rgba(16,42,67,.1);max-width:650px}.hero-search svg{color:var(--muted);flex:0 0 auto}.hero-search input{min-width:0;flex:1;border:0;outline:0;font-size:.96rem;color:var(--ink)}.hero-search button{border:0;background:var(--clay);color:#fff;height:46px;padding:0 20px;border-radius:10px;font-weight:800;cursor:pointer}.hero-visual{position:relative}.hero-visual img{width:100%;aspect-ratio:1.03;object-fit:cover;border-radius:28px;box-shadow:var(--shadow)}.hero-visual:before{content:"";position:absolute;inset:-16px 16px 16px -16px;border:1px solid #ccd9e5;border-radius:32px;z-index:-1}.trust-card{position:absolute;left:-38px;bottom:38px;width:255px;background:rgba(255,255,255,.96);padding:18px;border-radius:16px;box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.8)}.trust-card-top{display:flex;align-items:center;gap:10px;color:var(--navy);font-weight:800}.trust-card-icon{width:38px;height:38px;display:grid;place-items:center;background:var(--teal-soft);color:var(--teal);border-radius:10px}.trust-card p{font-size:.78rem;color:var(--muted);line-height:1.45;margin:9px 0 0}.stats-strip{background:var(--navy);color:#fff}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}.stat{padding:23px 28px;border-right:1px solid rgba(255,255,255,.14)}.stat:last-child{border:0}.stat strong{display:block;font-family:var(--font-serif);font-size:1.45rem}.stat span{font-size:.78rem;color:#c4d4e3}
.section{padding:92px 0}.section.soft{background:var(--paper)}.section.dark{background:var(--navy);color:#fff}.section.tint{background:var(--teal-soft)}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:26px;margin-bottom:36px}.section-head h2,.page-heading{font-family:var(--font-serif);font-size:clamp(2.15rem,4vw,3.6rem);line-height:1.05;letter-spacing:-.04em;color:var(--navy);margin:10px 0 0}.dark .section-head h2,.dark .section-head p{color:#fff}.section-head p{max-width:540px;color:var(--muted);margin:0}.section-link{font-weight:800;color:var(--clay);white-space:nowrap}.problem-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.problem-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;min-height:155px;display:flex;flex-direction:column;justify-content:space-between;transition:.2s}.problem-card:hover{transform:translateY(-3px);border-color:#9fb3c8;box-shadow:0 12px 28px rgba(16,42,67,.07)}.problem-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:11px;background:#f2f6fa;color:var(--clay)}.problem-card h3{font-size:1rem;color:var(--navy);margin:22px 0 0}.state-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.state-card{position:relative;overflow:hidden;background:var(--navy);color:#fff;border-radius:22px;padding:36px;min-height:320px;display:flex;flex-direction:column;justify-content:space-between}.state-card.up{background:#234960}.state-card:after{content:"";position:absolute;width:240px;height:240px;border:50px solid rgba(255,255,255,.05);border-radius:50%;right:-65px;top:-80px}.state-label{font-size:.75rem;text-transform:uppercase;letter-spacing:.12em;color:#b8d8d1;font-weight:800}.state-card h3{font-family:var(--font-serif);font-size:2.3rem;margin:8px 0}.state-card p{color:#d8e4ed;max-width:470px}.state-topics{display:flex;gap:8px;flex-wrap:wrap}.state-topics span,.tag{border:1px solid rgba(255,255,255,.22);border-radius:30px;padding:5px 10px;font-size:.75rem}.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.article-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;min-height:320px}.article-accent{height:8px;background:var(--clay)}.article-card:nth-child(2) .article-accent{background:var(--teal)}.article-card:nth-child(3) .article-accent{background:var(--gold)}.article-body{padding:24px;display:flex;flex-direction:column;flex:1}.meta-row{display:flex;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:.74rem;text-transform:uppercase;letter-spacing:.06em;font-weight:750}.meta-row span+span:before{content:"•";margin-right:8px}.article-card h3{font-family:var(--font-serif);font-size:1.36rem;line-height:1.2;color:var(--navy);margin:15px 0 10px}.article-card p{color:var(--muted);font-size:.9rem;margin:0}.review-row{margin-top:auto;padding-top:20px;display:flex;justify-content:space-between;gap:12px;color:#829ab1;font-size:.73rem}.card-link{margin-top:20px;color:var(--clay);font-weight:800;font-size:.86rem}.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.video-card{border-radius:18px;overflow:hidden;background:#193a55;color:#fff}.video-thumb{height:180px;position:relative;padding:24px;background:linear-gradient(135deg,#204f6d,#102a43)}.video-thumb.clay{background:linear-gradient(135deg,#a75128,#d98652)}.video-thumb.teal{background:linear-gradient(135deg,#0d6c64,#2c9d8e)}.play{width:52px;height:52px;border-radius:50%;background:#fff;color:var(--navy);display:grid;place-items:center;position:absolute;left:24px;bottom:22px}.play svg{fill:currentColor;stroke:none;width:20px}.duration{position:absolute;right:16px;bottom:16px;background:rgba(0,0,0,.62);padding:3px 8px;border-radius:5px;font-size:.75rem}.video-body{padding:21px}.video-body h3{font-size:1rem;line-height:1.4;margin:0 0 10px}.video-body p{color:#b9ccda;font-size:.8rem;margin:0}.quick-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}.question-box,.guide-box{border-radius:22px;padding:34px}.question-box{background:#fff;border:1px solid var(--line)}.guide-box{background:var(--clay);color:#fff}.question-box h3,.guide-box h3{font-family:var(--font-serif);font-size:1.8rem;margin:8px 0 12px}.question-form{display:flex;gap:10px;margin-top:20px}.question-form input{min-width:0;flex:1;border:1px solid var(--line);border-radius:11px;padding:12px}.fineprint{font-size:.73rem;color:var(--muted);margin:10px 0 0}.guide-list{display:grid;gap:10px;margin-top:25px}.guide-list a{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.22);font-weight:700}.dictionary-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.term-card{padding:18px;border:1px solid var(--line);border-radius:14px;background:#fff}.term-card strong{display:block;color:var(--navy)}.term-card span{color:var(--muted);font-size:.8rem}.resources-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.resource-card{padding:22px;border:1px solid var(--line);border-radius:16px;background:#fff}.resource-card .resource-domain{color:var(--teal);font-size:.72rem;font-weight:800;text-transform:uppercase}.resource-card h3{font-size:1rem;color:var(--navy);margin:11px 0 8px}.resource-card p{font-size:.82rem;color:var(--muted)}.resource-card a{display:inline-flex;align-items:center;color:var(--clay);font-weight:800;font-size:.8rem;margin-top:8px}.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.trust-item{padding:24px;border:1px solid var(--line);border-radius:15px}.trust-item strong{display:block;color:var(--navy);margin:12px 0 5px}.trust-item p{margin:0;color:var(--muted);font-size:.83rem}.legal-note{border-left:4px solid var(--clay);padding:22px 26px;background:#fff;border-radius:0 14px 14px 0}.legal-note h3{color:var(--navy);margin:0 0 6px}.legal-note p{margin:0;color:var(--muted);font-size:.86rem}
.page-hero{padding:72px 0 54px;background:linear-gradient(180deg,#f6f9fc,#fff)}.breadcrumbs{font-size:.78rem;color:var(--muted);margin-bottom:18px}.breadcrumbs a{color:var(--teal)}.page-hero-grid{display:grid;grid-template-columns:1fr .65fr;gap:50px;align-items:end}.page-hero p{max-width:690px;font-size:1.05rem;color:var(--muted)}.page-panel{padding:24px;border-radius:18px;background:var(--navy);color:#fff}.page-panel strong{display:block;font-size:1.5rem;font-family:var(--font-serif)}.page-panel span{font-size:.8rem;color:#c4d4e3}.filterbar{display:flex;gap:10px;overflow:auto;margin:0 0 28px}.filterbar button{border:1px solid var(--line);background:#fff;border-radius:30px;padding:8px 14px;white-space:nowrap;color:var(--muted);cursor:pointer}.filterbar button.active{background:var(--navy);color:#fff;border-color:var(--navy)}.topic-list{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.topic-row{padding:23px;border:1px solid var(--line);border-radius:16px;background:#fff}.topic-row span{font-size:.72rem;color:var(--teal);font-weight:800;text-transform:uppercase}.topic-row h3{color:var(--navy);margin:9px 0 7px}.topic-row p{color:var(--muted);font-size:.84rem;margin:0}.checklist{display:grid;gap:12px}.checklist li{list-style:none;padding:14px 18px 14px 48px;border:1px solid var(--line);border-radius:12px;position:relative;background:#fff}.checklist li:before{content:"✓";position:absolute;left:17px;color:var(--teal);font-weight:900}.article-layout{display:grid;grid-template-columns:260px 1fr;gap:52px}.toc{position:sticky;top:150px;align-self:start;border-left:2px solid var(--line);padding-left:20px}.toc strong{color:var(--navy)}.toc a{display:block;color:var(--muted);font-size:.82rem;margin-top:10px}.article-content{max-width:790px}.article-content h1{font-family:var(--font-serif);font-size:clamp(2.4rem,5vw,4.4rem);line-height:1.05;color:var(--navy);letter-spacing:-.045em}.article-content h2{font-family:var(--font-serif);color:var(--navy);font-size:1.8rem;margin-top:42px}.quick-answer{background:var(--teal-soft);border-radius:16px;padding:24px;margin:28px 0}.source-list{padding:0;list-style:none}.source-list li{padding:12px 0;border-bottom:1px solid var(--line)}.source-list a{color:var(--teal);font-weight:700}
.education-hero{background:linear-gradient(135deg,#102a43 0%,#193f62 56%,#124e58 100%);color:#fff;position:relative;overflow:hidden}.education-hero:after{content:"";position:absolute;width:600px;height:600px;border:100px solid rgba(255,255,255,.035);border-radius:50%;right:-220px;top:-250px}.education-hero .hero-grid{min-height:560px;grid-template-columns:1.05fr .95fr}.education-hero .display{color:#fff;font-size:clamp(3rem,5vw,5rem)}.education-hero .lede{color:#d2e0e9}.exam-picker{position:relative;z-index:1;background:#fff;color:var(--ink);padding:28px;border-radius:22px;box-shadow:0 24px 50px rgba(0,0,0,.18)}.exam-picker h2{font-family:var(--font-serif);color:var(--navy);font-size:1.7rem;margin:0 0 18px}.exam-options{display:grid;gap:10px}.exam-option{display:flex;align-items:center;gap:14px;border:1px solid var(--line);border-radius:13px;padding:14px;cursor:pointer}.exam-option:hover,.exam-option.selected{border-color:var(--blue);background:var(--blue-soft)}.exam-logo{width:46px;height:46px;border-radius:12px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;font-weight:900}.exam-option strong{display:block;color:var(--navy)}.exam-option small{color:var(--muted)}.exam-option input{margin-left:auto}.learning-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}.continue-card{background:var(--navy);color:#fff;border-radius:22px;padding:30px}.progress-track{height:8px;background:rgba(255,255,255,.15);border-radius:8px;overflow:hidden}.progress-fill{height:100%;background:#58c6b4;border-radius:8px}.continue-card h3{font-family:var(--font-serif);font-size:1.8rem;margin:16px 0 8px}.continue-card p{color:#c6d7e4}.dashboard-preview{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.metric{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}.metric strong{display:block;font-family:var(--font-serif);font-size:1.8rem;color:var(--navy)}.metric span{font-size:.78rem;color:var(--muted)}.subject-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}.subject-card{padding:23px;border-radius:16px;color:#fff;min-height:155px;display:flex;flex-direction:column;justify-content:space-between;background:#285470}.subject-card:nth-child(2){background:#6a4a9c}.subject-card:nth-child(3){background:#a95f38}.subject-card:nth-child(4){background:#1d776e}.subject-card strong{font-size:1.05rem}.subject-card span{font-size:.76rem;color:rgba(255,255,255,.78)}.test-list{display:grid;gap:13px}.test-card{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;border:1px solid var(--line);border-radius:16px;padding:22px;background:#fff}.test-card h3{margin:5px 0;color:var(--navy)}.test-meta{display:flex;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:.78rem}.free-badge{display:inline-flex;background:#e8f7f4;color:#0b7166;padding:4px 8px;border-radius:6px;font-size:.68rem;font-weight:850}.test-shell{display:grid;grid-template-columns:1fr 260px;gap:20px;padding:30px 0 70px}.test-main{border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden}.test-top{display:flex;justify-content:space-between;align-items:center;background:var(--navy);color:#fff;padding:18px 24px}.timer{font-variant-numeric:tabular-nums;font-weight:900;background:rgba(255,255,255,.1);padding:7px 11px;border-radius:8px}.test-question{padding:30px;min-height:390px}.question-kicker{display:flex;justify-content:space-between;color:var(--muted);font-size:.78rem}.test-question h2{font-family:var(--font-serif);font-size:1.45rem;color:var(--navy);line-height:1.4;margin:22px 0}.options{display:grid;gap:12px}.option{display:flex;gap:12px;border:1px solid var(--line);border-radius:12px;padding:14px;cursor:pointer}.option:hover{border-color:#9fb3c8}.option.selected{background:var(--blue-soft);border-color:var(--blue)}.option input{margin-top:5px}.test-actions{display:flex;justify-content:space-between;gap:12px;padding:16px 24px;border-top:1px solid var(--line);background:#fafbfd}.test-sidebar{border:1px solid var(--line);border-radius:18px;padding:20px;background:#fff;align-self:start}.palette{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:18px 0}.palette button{height:38px;border:1px solid var(--line);border-radius:8px;background:#fff;cursor:pointer}.palette button.answered{background:var(--teal);color:#fff;border-color:var(--teal)}.palette button.review{background:var(--gold);color:#fff;border-color:var(--gold)}.palette button.current{outline:3px solid rgba(49,87,200,.22)}.legend{display:grid;gap:8px;font-size:.75rem;color:var(--muted)}.legend span:before{content:"";display:inline-block;width:10px;height:10px;border-radius:3px;background:#fff;border:1px solid var(--line);margin-right:7px}.legend .a:before{background:var(--teal)}.legend .r:before{background:var(--gold)}.result-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:24px 0}.result-box{padding:20px;border-radius:14px;background:var(--paper);text-align:center}.result-box strong{display:block;font-family:var(--font-serif);font-size:1.8rem;color:var(--navy)}.recommendation{padding:20px;border-radius:14px;background:var(--teal-soft);color:var(--navy)}
.site-footer{background:#0b2238;color:#d5e2ec}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:45px;padding:64px 0 42px}.footer-brand p{font-size:.84rem;color:#9fb3c8;max-width:330px}.footer-col h3{font-size:.76rem;text-transform:uppercase;letter-spacing:.1em;color:#fff}.footer-col a{display:block;color:#b9cbd8;font-size:.82rem;margin:9px 0}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;justify-content:space-between;gap:25px;color:#8fa9bb;font-size:.74rem}.search-overlay{position:fixed;inset:0;z-index:100;background:rgba(5,20,33,.72);backdrop-filter:blur(7px);padding:6vh 20px}.search-dialog{max-width:800px;margin:0 auto;background:#fff;border-radius:22px;box-shadow:0 30px 90px rgba(0,0,0,.26);padding:30px;max-height:88vh;overflow:auto}.search-dialog-head{display:flex;justify-content:space-between;gap:30px}.search-dialog h2{font-family:var(--font-serif);color:var(--navy);margin:8px 0 20px;font-size:2rem}.searchbox{display:flex;align-items:center}.searchbox-large{border:1px solid #9fb3c8;border-radius:14px;padding:0 14px;height:58px}.searchbox input{flex:1;border:0;outline:0;padding:0 12px;min-width:0}.searchbox kbd{font-size:.7rem;background:#edf2f7;border:1px solid var(--line);border-radius:5px;padding:3px 6px;color:var(--muted)}.search-tabs{display:flex;gap:8px;margin:18px 0;overflow:auto}.search-tabs button{border:0;background:#edf2f7;border-radius:30px;padding:7px 13px;color:var(--muted);cursor:pointer;white-space:nowrap}.search-tabs button.is-active{background:var(--navy);color:#fff}.search-result{padding:15px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:20px}.search-result strong{display:block;color:var(--navy)}.search-result span{font-size:.75rem;color:var(--muted)}.search-hint{color:var(--muted)}.search-hint button{border:0;background:none;color:var(--teal);text-decoration:underline;cursor:pointer}.toast{position:fixed;right:22px;bottom:22px;z-index:120;background:var(--navy);color:#fff;padding:14px 20px;border-radius:12px;box-shadow:var(--shadow);transform:translateY(120px);opacity:0;transition:.25s}.toast.show{transform:none;opacity:1}
@media(max-width:980px){.vertical-switch{order:3;width:100%;justify-content:center;margin:0}.header-main{height:auto;min-height:72px;flex-wrap:wrap;padding:14px 0}.primary-nav{display:none}.primary-nav.open{display:block}.nav-inner{height:auto;display:grid;padding:16px 0}.menu-button{display:block}.account-button{display:none}.hero-grid,.education-hero .hero-grid{grid-template-columns:1fr;padding:55px 0}.hero-visual{max-width:760px}.hero-visual img{aspect-ratio:1.6}.trust-card{left:20px}.problem-grid,.dictionary-grid,.resources-grid,.trust-grid,.subject-grid{grid-template-columns:repeat(2,1fr)}.article-grid,.video-grid,.topic-list{grid-template-columns:repeat(2,1fr)}.quick-grid,.learning-grid,.page-hero-grid{grid-template-columns:1fr}.article-layout{grid-template-columns:1fr}.toc{position:static}.test-shell{grid-template-columns:1fr}.test-sidebar{order:-1}.footer-grid{grid-template-columns:1fr 1fr}.stats-grid{grid-template-columns:repeat(2,1fr)}.stat:nth-child(2){border-right:0}}
@media(max-width:640px){.wrap{width:min(100% - 28px,1180px)}.noticebar span:first-child{max-width:250px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.brand strong{font-size:.93rem}.brand small{font-size:.78rem}.header-actions{margin-left:auto}.vertical-switch{overflow:auto;justify-content:flex-start}.display{font-size:clamp(2.65rem,14vw,4.2rem)}.hero-grid{min-height:auto;gap:34px}.hero-search{padding:8px 8px 8px 12px}.hero-search button{padding:0 13px}.hero-visual img{aspect-ratio:1.1}.hero-visual:before{display:none}.trust-card{position:relative;left:auto;bottom:auto;width:100%;margin-top:-38px;border-radius:0 0 18px 18px}.stats-grid,.state-grid,.problem-grid,.article-grid,.video-grid,.dictionary-grid,.resources-grid,.trust-grid,.subject-grid,.topic-list{grid-template-columns:1fr}.stat{border-right:0;border-bottom:1px solid rgba(255,255,255,.12)}.section{padding:64px 0}.section-head{align-items:flex-start;flex-direction:column}.state-card{min-height:290px;padding:28px}.question-form{flex-direction:column}.test-card{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;gap:26px}.footer-bottom{flex-direction:column}.page-hero{padding-top:48px}.test-question{padding:22px;min-height:370px}.test-actions{flex-wrap:wrap;padding:14px}.test-actions .button{flex:1}.result-grid{grid-template-columns:1fr 1fr}.search-dialog{padding:22px 18px}.search-overlay{padding:2vh 10px}.dashboard-preview{grid-template-columns:1fr 1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}