/* Keynote Speakers — native AIECS navy & gold presentation styles. */
.keynote-section{background:linear-gradient(#fff,#faf8f4)}
.keynote-index-meta{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-bottom:19px;border-bottom:1px solid var(--line);color:var(--muted);font:.82rem var(--sans);letter-spacing:.04em;margin-bottom:28px}
.keynote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.keynote-card{background:#fff;border:1px solid var(--line);border-radius:4px;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 7px 26px #081e350b;transition:transform .2s,box-shadow .2s}
.keynote-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px #081e351c}
.keynote-card-image{background:linear-gradient(150deg,#102c48,#0b1e32 66%,#8e661e);position:relative;display:grid;place-items:center;height:240px;overflow:hidden;color:#f0cd84}
.keynote-card-image img{display:block;width:100%;height:100%;object-fit:cover;object-position:center 25%;transition:transform .3s}.keynote-card:hover img{transform:scale(1.035)}
.keynote-placeholder-initial{font:normal 6rem var(--serif);opacity:.75}.keynote-play{position:absolute;right:20px;bottom:18px;display:grid;place-items:center;border-radius:50%;width:44px;height:44px;background:var(--gold-light);color:var(--navy);font-size:1rem;box-shadow:0 4px 14px #0003}
.keynote-card-copy{padding:26px;display:flex;flex-direction:column;flex:1}.keynote-card-copy .eyebrow{margin:0 0 8px}.keynote-card-copy h2{font:normal clamp(1.4rem,2vw,1.8rem)/1.2 var(--serif);margin:0 0 9px}.keynote-card-copy h2 a{color:var(--ink);text-decoration:none}.keynote-card-copy h2 a:hover{color:var(--blue)}
.keynote-affiliation{font-size:.9rem;line-height:1.5;color:var(--muted);margin:0 0 18px}.keynote-card-copy h3{font:600 1.05rem/1.4 var(--serif);margin:0 0 12px}.keynote-excerpt{color:var(--muted);font-size:.92rem;line-height:1.6;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.keynote-card-bottom{margin-top:auto;padding-top:20px;display:flex;align-items:center;justify-content:space-between;gap:14px;border-top:1px solid var(--line);font-size:.85rem}.keynote-card-bottom span:first-child{color:var(--muted)}.keynote-card-bottom a{font-weight:700;white-space:nowrap}
.keynote-empty{max-width:780px;text-align:center;margin:auto;padding:74px 30px;background:var(--wash);border:1px solid var(--line)}.keynote-empty h2{font:normal 2.2rem var(--serif);margin:10px 0}.keynote-empty p:last-child{color:var(--muted)}.keynote-empty-symbol{display:grid;place-items:center;width:75px;height:75px;border:1px solid var(--gold);border-radius:50%;margin:0 auto 20px;color:var(--navy);background:var(--gold-light)}
.keynote-detail-top{background:linear-gradient(120deg,var(--navy),#113652);padding:34px 0 42px;color:#fff}.keynote-detail-top .breadcrumbs{margin-bottom:32px}.keynote-detail-top .breadcrumbs a{color:#f0d491}.keynote-detail-top .breadcrumbs li{color:#e4e9ec}.keynote-identity{display:flex;align-items:center;gap:34px}.keynote-detail-portrait,.keynote-detail-monogram{width:148px;height:148px;flex:none;object-fit:cover;object-position:center 22%;border:3px solid var(--gold-light);border-radius:5px}.keynote-detail-monogram{display:grid;place-items:center;font:normal 5rem var(--serif);background:#ffffff17;color:var(--gold-light)}
.keynote-identity h1{font:normal clamp(2rem,4vw,3.4rem)/1.1 var(--serif);color:white;margin:8px 0}.keynote-identity .eyebrow{color:var(--gold-light)}.keynote-detail-affiliation{color:#d9e0e6;line-height:1.55;margin:0}
.keynote-detail-grid{align-items:start}.keynote-talk-title{font:normal clamp(1.45rem,2.6vw,2.1rem)/1.3 var(--serif);margin:3px 0 20px}
.keynote-video-frame{width:100%;aspect-ratio:16/9;background:#05121d;border:1px solid #a18558;box-shadow:0 8px 28px #081e351b}.keynote-video-frame iframe,.keynote-video-frame video{display:block;width:100%;height:100%;border:0;background:#000}
.keynote-video-placeholder{min-height:290px;background:linear-gradient(130deg,#102d4b,#061a2e);color:#f0e8d8;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;text-align:center;padding:25px;border:1px solid var(--gold)}.keynote-video-placeholder>span{display:grid;place-items:center;width:72px;height:72px;border-radius:50%;background:var(--gold-light);color:var(--navy)}.keynote-video-placeholder p{font:1.25rem var(--serif);margin:0}.keynote-video-placeholder .button{margin-top:5px}
.keynote-text-block{margin:35px 0 0;padding-top:25px;border-top:1px solid var(--line)}.keynote-text-block h2{font:normal 1.75rem var(--serif);margin-bottom:17px}.keynote-text-block p{line-height:1.8;color:var(--ink)}.keynote-back{margin-top:34px}
.keynote-sidebox h2{font-size:1.3rem}.keynote-contact{padding:14px 0;border-bottom:1px solid var(--line);overflow-wrap:anywhere}.keynote-contact:last-child{border:0}.keynote-contact span{display:block;font:.75rem var(--sans);color:var(--muted);letter-spacing:.05em;text-transform:uppercase;margin-bottom:4px}.keynote-contact a{font-weight:600}
@media(max-width:1000px){.keynote-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.keynote-grid{grid-template-columns:1fr}.keynote-index-meta{font-size:.75rem}.keynote-card-image{height:265px}.keynote-identity{gap:20px;align-items:flex-start}.keynote-detail-portrait,.keynote-detail-monogram{width:95px;height:95px}.keynote-detail-monogram{font-size:3.5rem}.keynote-identity h1{font-size:2rem}.keynote-detail-top{padding:27px 0 32px}.keynote-video-placeholder{min-height:215px}}
@media(prefers-reduced-motion:reduce){.keynote-card,.keynote-card-image img{transition:none}.keynote-card:hover{transform:none}}