.challenge-section{background:var(--ivory);color:var(--navy);display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:center}.challenge-title p:last-child{color:#49678f;line-height:1.7}.challenge-box{padding:32px;border:1px solid #b8c8dc;border-radius:18px;background:#fff}.challenge-progress{display:flex;align-items:center;gap:16px;color:#49678f;font:500 .75rem 'DM Mono'}.challenge-progress div{height:5px;flex:1;background:#d8e2ee;border-radius:8px;overflow:hidden}.challenge-progress i{display:block;height:100%;background:var(--coral);transition:width .35s}.challenge-question{font-size:1.45rem;font-weight:600;line-height:1.25;margin:32px 0 20px}.challenge-choices{display:grid;gap:8px}.challenge-choices button{font:inherit;text-align:left;border:1px solid #b8c8dc;border-radius:9px;background:#fff;padding:12px;cursor:pointer;color:var(--navy)}.challenge-choices button:hover{border-color:var(--blue);background:#eef4fb}.challenge-choices .correct{background:#dcefd9;border-color:#74aa70}.challenge-choices .wrong{background:#f9ddd9;border-color:var(--coral)}.challenge-note{min-height:26px;line-height:1.5;color:#49678f}.next-question,.crossword-form button{border:0;border-radius:8px;background:var(--navy);color:var(--ivory);font:600 .9rem Outfit;padding:11px 16px;cursor:pointer}.crossword-section{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:start;background:#0b2350}.crossword-copy ol{color:var(--mist);line-height:1.8;padding-left:20px}.crossword-form{display:grid;gap:14px;padding:28px;border-radius:16px;border:1px solid var(--line);background:rgba(255,255,255,.04)}.crossword-form label{display:grid;gap:7px;font-size:.9rem}.crossword-form input{background:transparent;border:1px solid var(--line);border-radius:8px;padding:12px;color:var(--ivory);font:inherit}.crossword-form input::placeholder{color:#8fa8ca}.crossword-form button{background:var(--ivory);color:var(--navy);justify-self:start}.crossword-form p{min-height:22px;margin:0;color:var(--mist)}.ataturk-section{display:grid;grid-template-columns:190px 1fr;gap:60px;align-items:center;background:var(--ivory);color:var(--navy)}.ataturk-mark{font-size:10rem;font-weight:800;line-height:1;color:var(--coral);text-align:center}.ataturk-section>div>p:not(.eyebrow){line-height:1.75;color:#49678f;max-width:760px}.term-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}.term-list span{padding:8px 12px;border:1px solid #b8c8dc;border-radius:999px;font-size:.9rem}.origin-section{background:#102e67}.origin-head{max-width:630px}.origin-list{margin-top:44px;display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}.origin-list article{padding:28px 24px;border-right:1px solid var(--line)}.origin-list article:first-child{padding-left:0}.origin-list article:last-child{border-right:0}.origin-list b{font-size:1.8rem;letter-spacing:-.04em}.origin-list p{color:var(--mist);line-height:1.6;min-height:76px}.origin-button{border:0;background:none;padding:0;color:var(--ivory);font:500 .8rem 'DM Mono';cursor:pointer;text-decoration:underline;text-underline-offset:5px}.origin-output{margin:30px 0 0;color:#c8d7ec;min-height:25px}.share-section{text-align:center;background:var(--ivory);color:var(--navy)}.share-section>p:not(.eyebrow){max-width:610px;margin:0 auto 24px;line-height:1.7;color:#49678f}.share-link{display:inline-block;background:var(--coral);color:var(--ivory);border-radius:8px;padding:12px 17px;text-decoration:none;font-weight:600}.footer-inner{display:flex;gap:18px;align-items:center;justify-content:space-between;padding:28px clamp(22px,10vw,144px);background:#071a3d;color:#c8d7ec;font-size:.9rem}.footer-inner strong{color:var(--ivory)}.footer-inner a{color:var(--ivory);text-decoration:none}.back-to-top{position:fixed;right:18px;bottom:22px;width:44px;height:44px;border:0;border-radius:50%;background:var(--coral);color:var(--ivory);font-size:1.4rem;cursor:pointer;opacity:0;pointer-events:none;transform:translateY(10px);transition:.25s}.back-to-top.visible{opacity:1;pointer-events:auto;transform:none}@media(max-width:850px){.challenge-section,.crossword-section,.ataturk-section{grid-template-columns:1fr;gap:36px}.ataturk-mark{text-align:left;font-size:7rem}.origin-list{grid-template-columns:1fr}.origin-list article{padding:25px 0;border-right:0;border-bottom:1px solid var(--line)}.origin-list p{min-height:0}.origin-list article:last-child{border-bottom:0}.footer-inner{align-items:flex-start;flex-direction:column;gap:8px}}