.brief-button{display:inline-flex;margin:0 0 18px;border:1px solid rgba(255,255,255,.65);background:transparent;color:#fff;padding:11px 16px;font-weight:800;font-size:.82rem;cursor:pointer}.brief-dialog{width:min(680px,calc(100% - 28px));max-height:92vh;border:0;padding:0;background:#fff;color:var(--ink);box-shadow:0 30px 90px rgba(0,20,32,.35)}.brief-dialog::backdrop{background:rgba(1,18,28,.72);backdrop-filter:blur(5px)}.brief-shell{padding:34px}.brief-head{display:flex;justify-content:space-between;gap:28px;padding-bottom:24px;border-bottom:1px solid var(--line)}.brief-head h2{font:600 clamp(28px,4vw,44px)/1.04 "Space Grotesk";letter-spacing:-1.5px;margin:8px 0 12px}.brief-head p:last-child{color:var(--muted);line-height:1.6;margin:0}.brief-close{width:42px;height:42px;flex:0 0 auto;border:1px solid var(--line);border-radius:50%;background:#fff;font-size:27px;cursor:pointer}.brief-embed{min-height:190px;padding-top:20px}@media(max-width:650px){.brief-shell{padding:22px}.brief-head h2{font-size:29px}.brief-button{width:100%}}