.problem-hero{background:#102b3b;color:#fff;padding:clamp(2.5rem,5vw,5rem) 0}.problem-hero-grid{display:grid;gap:2rem;align-items:center}.problem-hero h1{font-size:clamp(2rem,4.1vw,3.6rem);line-height:1.15;letter-spacing:-.04em;max-width:23ch;margin:1rem 0 1.5rem}.problem-hero p{font-size:1.02rem;line-height:1.85;color:#dae5ec;max-width:60ch}.problem-meta{color:#d2e0e8;font-size:.8rem;line-height:1.8;margin-top:1.4rem}.problem-hero figure{margin:0;border:1px solid #526e7d;border-radius:8px;overflow:hidden}.problem-hero picture{display:block;background:#e8e3dc}.problem-hero img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover}.problem-hero figcaption{padding:1rem;font-size:.76rem;line-height:1.6;background:#183b4e;color:#e2ebf0}.problem-layout{display:grid;gap:2rem;align-items:start;padding-top:3.5rem;padding-bottom:4rem}.problem-page .problem-toc{display:block;position:static;box-shadow:none;margin:0;padding:1.3rem;background:#f0f5f7;border:1px solid #d5e0e6;border-radius:6px}.problem-toc ol{padding-left:1.2rem;margin:1rem 0 0}.problem-page .problem-toc a{display:block;min-height:44px;padding:5px 0;font-size:.88rem;line-height:1.6;color:#174d69;text-decoration:underline;text-underline-offset:3px}.problem-layout>aside>p{font-size:.85rem;line-height:1.8;color:#4b6270;margin-top:1.2rem}.problem-editorial{max-width:75ch;min-width:0;font-size:1.04rem;line-height:1.88}.problem-editorial>p:first-child{font-size:1.15rem;color:#183b4e}.problem-editorial p{margin:0 0 1.35rem}.problem-editorial h2{font-size:clamp(1.45rem,3vw,2rem);line-height:1.3;letter-spacing:-.025em;margin:2.5rem 0 1rem;scroll-margin-top:145px}.problem-editorial h3{font-size:1.2rem;line-height:1.4;margin:1.5rem 0 .8rem}.problem-editorial a{color:#174d69;text-decoration:underline;text-underline-offset:3px}.problem-editorial details{padding:.6rem 0}.problem-editorial details>p{margin:.8rem 0 0}.problem-editorial summary{font-size:1rem;line-height:1.6;padding:1rem 0}.problem-editorial summary::after{content:"+";font-size:1.4rem;color:#984006;flex-shrink:0}.problem-editorial details[open] summary::after{content:"−"}.problem-related{display:grid;gap:1.2rem;margin-top:2rem}.problem-related-card{padding:1.4rem;border:1px solid #d5e0e6;border-top:3px solid #f78e48;border-radius:6px;background:#fff;min-width:0}.problem-related-card h3{font-size:1.2rem;line-height:1.4;margin:.7rem 0 1rem}.problem-related-card a:hover{text-decoration:underline;text-underline-offset:3px}.problem-related-card p{font-size:.91rem;line-height:1.8;color:#4b6270;margin-bottom:0}.panne-card.problem-hub-card{padding:0;overflow:hidden;display:flex;flex-direction:column}.problem-card-picture{display:block}.problem-card-picture picture{display:block}.problem-card-picture img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover}.problem-card-copy{padding:1.4rem;display:flex;flex-direction:column;flex:1}.problem-card-copy .text-link{margin-top:auto}.problem-filter-label{display:block;font-size:.9rem;font-weight:600;margin-top:1rem}.problem-filter-label select{display:block;width:100%;max-width:410px;min-height:48px;margin-top:.5rem;padding:10px;border:1px solid #a7bac5;border-radius:5px;background:#fff;color:#102b3b;font:inherit}.panne-card[hidden],.panne-group[hidden]{display:none!important}.problem-page :focus-visible{outline:3px solid #b64a08;outline-offset:4px}.problem-hero :focus-visible{outline-color:#ffb57f}@media(min-width:700px){.problem-related{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(min-width:1101px){.problem-hero-grid{grid-template-columns:1.15fr 1fr;gap:4rem}.problem-layout{grid-template-columns:255px minmax(0,1fr);gap:4rem}.problem-related{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:400px){.problem-hero h1{font-size:2rem}.problem-editorial{font-size:1rem}.problem-page .problem-toc{padding:1rem}.problem-card-copy{padding:1.1rem}}