.vb-hero{padding:60px 0 26px;background:linear-gradient(180deg,color-mix(in srgb,var(--c) 16%,#fff),#fff)}.vb-hero .cp-eyebrow a{color:inherit;text-decoration:none}.vb-hero h1{font-size:clamp(34px,5.4vw,60px);letter-spacing:-.035em;line-height:1;margin:0 0 14px}.vb-progress{display:flex;align-items:center;gap:14px;margin:22px 0 16px;flex-wrap:wrap}.vb-progress-bar{flex:1 1;min-width:160px;max-width:360px;height:10px;border-radius:99px;background:#e8eeec;overflow:hidden}.vb-progress-bar i{display:block;height:100%;background:var(--c);border-radius:99px;transition:width .4s}.vb-progress span{font-size:14px;color:var(--cp-muted)}.vb-progress b{color:var(--cp-ink);font-size:18px}.vb-link{background:none;border:none;color:var(--accent);font:inherit;font-weight:700;text-decoration:underline;cursor:pointer;padding:0}.vb-tabs{display:flex;gap:6px;flex-wrap:wrap}.vb-tabs button{font:inherit;font-weight:800;font-size:14.5px;border:2px solid #e2e8e6;background:#fff;border-radius:999px;padding:9px 18px;cursor:pointer;transition:all .15s}.vb-tabs button.on{background:var(--accent);border-color:var(--accent);color:#fff}.vb-body{padding:30px 0 60px}.vb-hint{color:var(--cp-muted);font-size:14px;margin-bottom:14px}.vb-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));grid-gap:12px;gap:12px;perspective:1000px}.vb-card{position:relative;height:150px;border:none;background:none;cursor:pointer;font:inherit;transform-style:preserve-3d;transition:transform .55s cubic-bezier(.2,.8,.2,1)}.vb-card.flip{transform:rotateY(180deg)}.vb-face{position:absolute;inset:0;border-radius:18px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:12px;-webkit-backface-visibility:hidden;backface-visibility:hidden;text-align:center}.vb-face.front{background:#fff;border:2px solid #e2e8e6}.vb-face.front b{font-size:24px;letter-spacing:-.01em}.vb-face.front small{color:var(--cp-muted);font-size:12.5px}.vb-card.known .vb-face.front{border-color:var(--accent);background:#f0fbf9}.vb-face.back{background:var(--accent);color:#fff;transform:rotateY(180deg)}.vb-face.back b{font-size:18px}.vb-face.back em{font-size:13px;opacity:.92;font-family:Georgia,serif}.vb-face.back small{font-size:12px;opacity:.8}.vb-sort{max-width:520px;margin:0 auto}.vb-sort-card{background:#fff;border:2px solid #e2e8e6;border-radius:24px;padding:30px 22px;text-align:center;min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;animation:cp-pop .3s ease both;box-shadow:0 30px 60px -48px var(--accent)}.vb-sort-word{font-size:clamp(36px,7vw,52px);font-weight:900;letter-spacing:-.03em}.vb-sort-pos{color:var(--cp-muted);font-size:13px;margin-bottom:8px}.vb-sort-answer{display:flex;flex-direction:column;gap:4px;animation:cp-pop .25s ease both}.vb-sort-answer b{font-size:22px;color:var(--accent)}.vb-sort-answer em{font-family:Georgia,serif}.vb-sort-answer small{color:var(--cp-muted)}.vb-sort-btns{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;gap:10px;margin-top:14px}.vb-sort-btns button{font:inherit;font-weight:800;font-size:17px;border:2px solid;border-radius:16px;padding:16px;cursor:pointer;transition:transform .1s}.vb-sort-btns button:active{transform:scale(.97)}.vb-no{background:#fff6f6;border-color:#e57373;color:#b71c1c}.vb-yes{background:#f0fbf9;border-color:var(--accent);color:var(--accent)}.vb-sort-done{max-width:520px;margin:0 auto;text-align:center;display:flex;flex-direction:column;align-items:center;gap:10px;animation:cp-pop .3s ease both}.vb-sort-done>b{font-size:64px;font-weight:900;letter-spacing:-.04em;color:var(--accent);line-height:1}.vb-sort-done>p{color:var(--cp-muted)}.vb-review{list-style:none;margin:0;padding:0;width:100%;display:flex;flex-direction:column;gap:6px;text-align:left}.vb-review li{background:#fff;border:1.5px solid #e2e8e6;border-radius:12px;padding:10px 14px;display:flex;gap:10px;justify-content:space-between}.vb-review li span{color:var(--cp-muted)}.vb-quiz{max-width:560px;margin:0 auto}.vb-quiz-card{background:#fff;border:2px solid #e2e8e6;border-radius:24px;padding:26px;animation:cp-pop .3s ease both}.vb-quiz-q{font-size:clamp(28px,5vw,38px);font-weight:900;letter-spacing:-.02em;text-align:center}.vb-quiz-ask{text-align:center;color:var(--cp-muted);font-size:14px;margin:4px 0 16px}.vb-quiz-opts{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;gap:10px}.vb-quiz-opts button{font:inherit;font-weight:700;font-size:15.5px;border:2px solid #e2e8e6;background:#fff;border-radius:12px;padding:14px 10px;cursor:pointer;transition:all .15s}.vb-quiz-opts button:hover{border-color:var(--accent)}.vb-quiz-opts button.right{background:#e7f6f2;border-color:var(--accent);color:var(--accent)}.vb-quiz-opts button.wrong{background:#fdecec;border-color:#e57373}.vb-quiz-opts button.dim{opacity:.4}.vb-quiz-after{margin-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;animation:cp-pop .25s ease both}.vb-quiz-after p{font-size:15px;flex:1 1;min-width:200px}.vb-quiz-after em{font-family:Georgia,serif;color:var(--cp-muted)}.vb-more{padding:50px 0;background:#f4f9f8}.vb-more-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));grid-gap:10px;gap:10px;margin-top:14px}.vb-more-card{text-decoration:none;color:inherit;background:#fff;border:1.5px solid #e2e8e6;border-left:6px solid var(--c);border-radius:14px;padding:14px 16px;display:flex;flex-direction:column;gap:2px;transition:transform .2s}.vb-more-card:hover{transform:translateY(-3px)}.vb-more-card span{font-size:11.5px;font-weight:800;color:var(--c);letter-spacing:.08em}.vb-more-card b{font-size:16px}.vb-more-card small{color:var(--cp-muted);font-size:12.5px}.vb-index-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));grid-gap:14px;gap:14px}.vb-index-card{text-decoration:none;color:inherit;background:#fff;border:1.5px solid #e2e8e6;border-top:8px solid var(--c);border-radius:18px;padding:20px;display:flex;flex-direction:column;gap:6px;height:100%;transition:transform .2s,box-shadow .2s}.vb-index-card:hover{transform:translateY(-3px);box-shadow:0 24px 44px -32px var(--c)}.vb-index-card span{font-size:12px;font-weight:800;color:var(--c);letter-spacing:.08em}.vb-index-card b{font-size:21px;letter-spacing:-.01em}.vb-index-card small{color:var(--cp-muted);font-size:14px;flex:1 1;line-height:1.5}.vb-index-bar{height:8px;background:#e8eeec;border-radius:99px;overflow:hidden;margin-top:8px}.vb-index-bar i{display:block;height:100%;background:var(--c);border-radius:99px}.vb-index-card em{font-style:normal;font-size:12.5px;color:var(--cp-muted)}