@font-face{font-family:Open Sans;src:url('fonts/open-sans.ttf') format('truetype');font-style:normal;font-weight:400 800;font-display:swap}
:root{--navy:#0a0f47;--blue:#203a6f;--orange:#fd7119;--cream:#f6e9e0;--muted:#626b80;--line:#dce1e9;--green:#16634b}*{box-sizing:border-box}body{margin:0;background:#faf9f6;color:var(--navy);font-family:'Open Sans',Arial,sans-serif;font-size:16px;line-height:1.65}a{color:var(--blue)}button,input,select{font:inherit}button,a.btn{cursor:pointer}button:disabled{cursor:default;opacity:.45}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #335f99;outline-offset:4px}button{border:0}header{background:white;border-bottom:1px solid var(--line)}.nav{max-width:1160px;margin:auto;padding:19px 28px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}.brand{text-decoration:none;font-weight:800;font-size:27px;letter-spacing:-1.2px;color:var(--navy)}.brand span{color:#c74d00}.navlinks{display:flex;gap:24px;align-items:center;font-size:13px}.navlinks a{text-decoration:none}.wrap{max-width:1160px;padding:30px 28px 60px;margin:auto}.crumbs{font-size:12px;color:var(--muted);margin:0 0 26px}.crumbs a{text-decoration:none}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(34px,5vw,56px);letter-spacing:-1.8px;line-height:1.16;margin-bottom:22px}h2{font-size:28px;letter-spacing:-.7px;line-height:1.3}h3{font-size:19px;line-height:1.4}.eyebrow{font-size:11px;letter-spacing:1.8px;font-weight:800;color:#536686;text-transform:uppercase}.muted{color:var(--muted)}.small{font-size:12px}.hero{display:grid;grid-template-columns:1.3fr 1fr;gap:55px;align-items:center;padding:16px 0 40px}.hero p{font-size:17px;max-width:580px}.accent{color:#b94800}.tags{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}.tag{font-size:12px;background:white;border:1px solid var(--line);padding:5px 12px;border-radius:30px}.btn{display:inline-flex;justify-content:center;align-items:center;gap:10px;padding:13px 21px;border-radius:10px;text-decoration:none;font-weight:700;min-height:48px;color:var(--navy);background:#fff;border:1px solid var(--line)}.primary{background:var(--orange);border-color:var(--orange);color:var(--navy)}.dark{background:var(--navy);border-color:var(--navy);color:#fff}.ghost{background:transparent;border-color:transparent}.book-area{background:var(--cream);padding:32px;border-radius:22px}.book{background:var(--navy);color:#fff;min-height:330px;padding:30px;border-radius:4px 14px 14px 4px;box-shadow:-9px 0 0 #203a6f,0 18px 35px #0a0f4722;transform:rotate(-3deg);display:flex;flex-direction:column;justify-content:space-between}.book .number{font-size:100px;font-weight:800;letter-spacing:-7px;line-height:1.1;color:#ff9c5e}.book strong{font-size:26px;line-height:1.2}.book .small{color:#ced6e7}.steps{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:15px;background:#fff;overflow:hidden;margin-bottom:45px}.step{padding:24px;border-right:1px solid var(--line)}.step:last-child{border:0}.step b{display:block;margin:6px 0}.step p{font-size:13px;color:var(--muted);margin:0}.sectiontop{display:flex;justify-content:space-between;align-items:end;gap:20px;flex-wrap:wrap;margin:22px 0}.field{display:block;font-size:13px;font-weight:700}.search,.select{margin-top:6px;background:#fff;border:1px solid var(--line);border-radius:9px;color:var(--navy);padding:12px;max-width:100%;font-size:16px}.search{width:320px}.packgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(235px,1fr));gap:16px}.packtile{display:block;padding:22px;border:1px solid var(--line);border-radius:14px;background:#fff;text-decoration:none;color:var(--navy)}.packtile:hover{border-color:#748fb5}.packtile h3{margin:10px 0}.packtile p{font-size:13px;color:var(--muted);margin:0;line-height:1.8}.packtile .open{display:block;color:#a73e00;font-size:13px;font-weight:700;margin-top:18px}.editorial{max-width:800px;margin:55px auto 0}.editorial p{color:#4c576d}.editorial h2{margin-top:32px}.faq details{background:white;border:1px solid var(--line);border-radius:10px;margin:10px 0;padding:18px}.faq summary{cursor:pointer;font-weight:700}.faq p{margin:14px 0 0}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:15px 0;border-bottom:1px solid var(--line);margin-bottom:28px}.toolbar .actions{align-items:center}.actions{display:flex;gap:10px;flex-wrap:wrap}.toolbar .btn{padding:8px 12px;font-size:13px}.toolbar .select{margin:0;min-height:44px}.workspace{display:grid;grid-template-columns:225px minmax(0,1fr);gap:32px;align-items:start}.sidebar{border:1px solid var(--line);border-radius:15px;background:#fff;padding:21px}.sideword{display:flex;justify-content:space-between;font-size:13px;padding:9px;border-radius:7px;color:var(--muted)}.sideword.current{background:var(--cream);color:var(--navy);font-weight:700}.sideword.done{color:var(--green)}.divider{height:1px;background:var(--line);margin:16px 0}.phase{display:flex;gap:14px;font-size:12px;color:var(--muted);margin-bottom:25px;flex-wrap:wrap}.phase .active{color:var(--navy);font-weight:800}.topline{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);gap:12px}.track{height:5px;background:#e6e8ef;border-radius:9px;overflow:hidden;margin:10px 0 24px}.track span{display:block;height:100%;background:var(--orange)}.panel{border:1px solid var(--line);border-radius:18px;background:#fff;padding:30px}.flash{text-align:center;min-height:370px;display:flex;flex-direction:column;align-items:center;justify-content:center}.word{font-size:clamp(34px,6vw,62px);letter-spacing:-1.5px;line-height:1.2;margin:16px 0;overflow-wrap:anywhere}.definition{font-size:20px;margin:24px 0 12px}.example{background:#f5f7fa;color:var(--blue);padding:16px;border-radius:10px;margin:16px 0;width:100%}.audio-button{font-size:13px;min-height:44px;padding:9px 16px;background:#edf1f8;border-radius:30px;color:var(--blue)}.translation{margin:12px 0;color:#9e3b00}.cardfoot{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-top:20px}.question{font-size:23px;line-height:1.5;letter-spacing:-.3px;margin:15px 0 25px}.options{display:grid;gap:11px}.option{display:flex;gap:14px;align-items:center;text-align:left;background:white;border:1px solid var(--line);border-radius:11px;padding:16px;color:var(--navy);width:100%}.letter{display:grid;place-items:center;min-width:30px;height:30px;background:#f0f2f6;border-radius:6px;font-size:12px;font-weight:800}.option.selected{background:#edf1f8;border:2px solid var(--blue);padding:15px}.option.right{background:#edf7ef;border-color:#36785d;opacity:1}.option.wrong{background:#fff1eb;border-color:#ae4936;opacity:1}.feedback{margin-top:20px;background:#f0f4f9;border-left:3px solid var(--blue);border-radius:4px;padding:16px;font-size:14px}.feedback p{margin:8px 0 0}.score{display:flex;align-items:center;gap:24px;padding:28px;background:var(--navy);color:#fff;border-radius:16px;margin:24px 0}.score strong{font-size:52px;line-height:1}.score p{font-size:13px;color:#d4dced;margin:6px 0 0}.results{display:grid;gap:10px;margin-top:24px}.results details{border:1px solid var(--line);border-radius:10px;background:white;padding:16px}.results summary{cursor:pointer;display:flex;justify-content:space-between;gap:14px;font-weight:700}.results p{font-size:14px;margin:12px 0 0}.good{color:#16634b}.bad{color:#a34026}.center{text-align:center}.wordreference{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:28px 0}.wordreference article{background:white;border:1px solid var(--line);padding:22px;border-radius:12px}.wordreference h2{font-size:23px;overflow-wrap:anywhere}.wordreference p{font-size:14px}.wordreference .example{font-size:13px}.practice-note{max-width:800px}.notice{border-radius:12px;padding:20px;background:var(--cream);margin-top:30px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip{position:absolute;top:-100px}.skip:focus{top:10px;left:10px;background:white;padding:12px;z-index:5}.screen-title:focus{outline:0}footer{border-top:1px solid var(--line);padding:25px 28px;text-align:center;font-size:12px;color:var(--muted)}footer p{margin:6px 0}footer a{margin:0 8px}[hidden]{display:none!important}
@media(max-width:760px){.nav,.wrap{padding-left:18px;padding-right:18px}.nav{gap:12px}.navlinks{gap:15px;font-size:12px}.hero{grid-template-columns:1fr;gap:28px}.book-area{max-width:350px;width:100%;margin:0 auto}.book{min-height:290px}.steps{grid-template-columns:1fr}.step{border-right:0;border-bottom:1px solid var(--line);padding:18px 20px}.step b{margin:0 0 3px}.workspace{grid-template-columns:1fr}.sidebar{display:none}.wordreference{grid-template-columns:1fr}.toolbar{align-items:start}.toolbar>.actions{width:100%;justify-content:space-between}.toolbar .select{width:100%}.panel{padding:22px}.flash{min-height:350px}.cardfoot .actions{width:100%}.cardfoot .actions .btn{flex:1}.question{font-size:20px}.sectiontop{align-items:start}.sectiontop label,.search{width:100%}.packgrid{grid-template-columns:1fr 1fr;gap:10px}.packtile{padding:16px}.packtile p{font-size:12px}.packtile h3{font-size:18px}.score{padding:22px}.hero h1{letter-spacing:-1.2px}}
@media(max-width:370px){.packgrid{grid-template-columns:1fr}.navlinks{gap:10px}.brand{font-size:25px}.actions .btn{padding:12px}}
@media(prefers-reduced-motion:no-preference){.btn:hover{filter:brightness(.98)}html{scroll-behavior:smooth}}