:root{--ink:#1c1d3a;--paper:#f8f7f3;--accent:#ff6b57;--deep:#3b3fb8;--soft:#e7e8f6;--display:'Fira Sans',Arial,sans-serif;--body:'Literata',Georgia,serif;--mono:'Literata',Georgia,serif}
/* Composition propre à cette identité. */
@media(max-width:760px){body[class*=design-] .hero{grid-template-columns:1fr}}
.design-chorus .site-topline{background:var(--deep);color:#fff;border:0}
.design-chorus .site-header{border-bottom:0}
.design-chorus .brand>span{font-family:var(--display);font-weight:800;letter-spacing:-.03em}
.design-chorus .hero{grid-template-columns:1.1fr .9fr}
.design-chorus .hero-copy{position:relative;z-index:0}
.design-chorus .hero-copy:before{content:'';position:absolute;z-index:-1;width:min(420px,70vw);aspect-ratio:1;border-radius:50%;background:var(--soft);left:-60px;top:-40px}
.design-chorus .hero h1{font-family:var(--display);font-weight:800;letter-spacing:-.04em;font-size:clamp(46px,6vw,88px);line-height:.98}
.design-chorus .hero .eyebrow{color:var(--deep)}
.design-chorus .status-dot{background:var(--accent)}
.design-chorus .hero-art .hero-image{border-radius:50%}
.design-chorus .hero-art figcaption{border:0;justify-content:center;gap:10px}
.design-chorus .button{background:var(--accent);color:var(--ink);border-radius:40px;font-weight:800}
.design-chorus .button:hover{background:var(--deep);color:#fff}
.design-chorus .topics{border:0;gap:14px}
.design-chorus .topics .topic{border:0;border-radius:22px;padding:22px 18px;color:#fff;transition:transform .15s}
.design-chorus .topics .topic:nth-child(1){background:var(--deep)}
.design-chorus .topics .topic:nth-child(2){background:#b3392a}
.design-chorus .topics .topic:nth-child(3){background:#1d6f55}
.design-chorus .topics .topic:nth-child(4){background:var(--ink)}
.design-chorus .topics .topic:hover{color:#fff;transform:translateY(-3px)}
.design-chorus .topic small{opacity:.92}
.design-chorus .topic-number{opacity:1;font-weight:800}
.design-chorus .section-heading h2{font-family:var(--display);font-weight:800;letter-spacing:-.03em}
.design-chorus .section-symbol{color:#b3392a}
.design-chorus .story{border-top:6px solid var(--deep);padding-top:18px}
.design-chorus .story:nth-child(3n+2){border-color:var(--accent)}
.design-chorus .story:nth-child(3n){border-color:#1d6f55}
.design-chorus .story-image{border-radius:18px}
.design-chorus .story h3{font-family:var(--display);font-weight:800;letter-spacing:-.02em}
.design-chorus .story-category{color:var(--deep)}
.design-chorus .notebook{background:var(--deep);color:#fff;border-radius:120px;padding-inline:64px}
.design-chorus .notebook-icon{color:var(--accent)}
.design-chorus .round-link{border-color:#fff}
.design-chorus .notebook a:focus-visible{outline-color:var(--accent)}
.design-chorus .page-numbers{border-radius:50%}
@media(max-width:760px){.design-chorus .notebook{border-radius:32px;padding-inline:24px}.design-chorus .topics .topic{padding:16px 12px}.design-chorus .hero-copy:before{left:-30px;top:-20px;width:240px}}