.brief-actions{display:flex;gap:12px;align-items:stretch;margin-top:20px;flex-wrap:wrap}
.brief-actions .share-trigger{margin:0}
.is-intro{background:radial-gradient(ellipse at 15% 85%,#25483765,transparent 60%),#091f19}
.is-intro .brief{max-width:1000px;display:grid;grid-template-columns:1fr auto;column-gap:32px}
.is-intro .eyebrow{grid-column:1;margin:0 0 10px;color:#b7c980}
.is-intro h2{grid-column:1;font-size:clamp(30px,4vw,48px);margin:0 0 12px}
.is-intro #overlay-copy{grid-column:1;font-size:18px;max-width:610px;margin:0;line-height:1.5}
.is-intro .start-record{grid-column:2;grid-row:1/4;align-self:center;display:flex;flex-direction:column;align-items:flex-start;gap:3px;margin:0;padding:18px 24px;border-left:1px solid #bccf7f45;font-size:15px}
.is-intro .start-record strong{font-size:46px;line-height:1.1;color:#d5e59a}
.is-intro .start-record span{font-size:14px}
.is-intro .rules{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:26px 0 0}
.is-intro .rules>div{position:relative;padding:16px 12px 18px;border:1px solid #c2d28c26;border-radius:14px;background:linear-gradient(145deg,#28483855,#0a241c);gap:5px}
.is-intro .rules>div:first-child{background:radial-gradient(ellipse at 50% 30%,#56306a55,transparent 80%),#152720;border-color:#bca56055}
.is-intro .rules img{width:100%;height:150px;object-fit:contain;margin-bottom:6px;filter:drop-shadow(0 8px 10px #0005)}
.is-intro .rules strong{font-size:20px}.is-intro .rules span{font-size:16px}
.is-intro .brief-actions{grid-column:1/-1;margin-top:22px;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.is-intro .primary,.is-intro .share-trigger{width:100%;min-height:52px;font-size:17px}
.is-intro #hint{grid-column:1/-1;margin:10px 0 0!important}
@media(max-width:650px){
 .is-intro{padding:18px 14px}
 .is-intro .brief{column-gap:8px}
 .is-intro .eyebrow{font-size:9px;letter-spacing:.1em;margin-bottom:6px}
 .is-intro h2,.embedded .is-intro h2{font-size:28px;line-height:1.08;margin:0 0 8px;max-width:190px}
 .is-intro #overlay-copy{grid-column:1/-1;font-size:14px;line-height:1.4;margin:8px 0 0}
 .is-intro .start-record{grid-row:1/3;padding:2px 0 2px 12px;font-size:11px;gap:2px}
 .is-intro .start-record strong{font-size:29px}.is-intro .start-record span{font-size:11px}
 .embedded .is-intro .rules,.is-intro .rules{gap:7px;margin-top:16px}
 .is-intro .rules>div{padding:10px 3px;border-radius:10px;gap:4px}
 .embedded .is-intro .rules img,.is-intro .rules img{height:84px;width:100%;margin-bottom:4px}
 .is-intro .rules strong{font-size:13px}.is-intro .rules span{font-size:12px;white-space:nowrap}
 .is-intro .brief-actions{grid-template-columns:1fr;gap:8px;margin-top:16px}
 .is-intro .primary{min-height:48px;font-size:16px}.is-intro .share-trigger{min-height:42px;font-size:14px}
 .brief-actions{gap:8px}.brief-actions>button{width:100%}
}
@media(max-width:650px) and (max-height:450px){
 .is-intro{padding:12px}.embedded .is-intro .rules img{height:56px}
 .embedded .is-intro .rules{margin-top:10px}.is-intro .brief-actions{margin-top:10px}
}