:root{--ink:#14213d;--paper:#f3f6fb;--accent:#7cc4ff;--deep:#2453b8;--soft:#e3eaf8;--display:'Manrope',Arial,sans-serif;--body:'Fira Sans',Arial,sans-serif;--mono:'Fira Sans',Arial,sans-serif}
/* Composition propre à cette identité. */
@media(max-width:760px){body[class*=design-] .hero{grid-template-columns:1fr}}
.design-chat .site-topline{background:var(--deep);color:#fff;border:0}
.design-chat .site-header{border-bottom:0;background:#fff;box-shadow:0 1px 0 color-mix(in srgb,var(--ink) 10%,transparent)}
.design-chat .brand>span{font-family:var(--display);font-weight:800;letter-spacing:-.03em}
.design-chat .hero h1{font-family:var(--display);font-weight:800;letter-spacing:-.04em}
.design-chat .hero .eyebrow{display:inline-flex;background:#fff;color:var(--deep);padding:8px 14px;border-radius:18px 18px 18px 4px;box-shadow:0 8px 20px -14px var(--ink)}
.design-chat .status-dot{background:#16875a}
.design-chat .hero-intro{background:#fff;padding:18px 20px;border-radius:20px 20px 20px 4px;opacity:1}
.design-chat .button{background:var(--deep);border-radius:22px 22px 4px 22px}
.design-chat .button:hover{background:var(--ink)}
.design-chat .hero-art .hero-image{border-radius:32px}
.design-chat .hero-art figcaption{border:0;justify-content:flex-end;gap:12px}
.design-chat .topics{border:0;gap:12px}
.design-chat .topics .topic{background:#fff;border:0;border-radius:22px 22px 22px 6px;padding:20px 18px;box-shadow:0 10px 26px -20px var(--ink)}
.design-chat .topics .topic:nth-child(even){background:var(--deep);color:#fff;border-radius:22px 22px 6px 22px}
.design-chat .topics .topic:nth-child(even):hover{color:#fff}
.design-chat .topic small{opacity:.85}
.design-chat .topic-number{opacity:1;font-weight:700}
.design-chat .section-heading h2{font-family:var(--display);font-weight:800;letter-spacing:-.03em}
.design-chat .section-symbol{color:var(--deep)}
.design-chat .story{background:#fff;border-radius:24px 24px 24px 6px;overflow:hidden;box-shadow:0 14px 34px -26px var(--ink)}
.design-chat .story-content{padding:18px 20px 20px}
.design-chat .story h3{font-family:var(--display);font-weight:800;letter-spacing:-.02em}
.design-chat .story-category{color:var(--deep)}
.design-chat .notebook{background:var(--deep);color:#fff;border-radius:32px 32px 32px 8px}
.design-chat .notebook-icon{color:#fff}
.design-chat .round-link{border-color:#fff}
.design-chat .notebook a:focus-visible{outline-color:#fff}
.design-chat .page-numbers{border-radius:50%}
@media(max-width:760px){.design-chat .topics .topic{padding:16px 12px}.design-chat .hero-intro{padding:14px 16px}}