/* Capítulo 08 · Propuesta PMV: banner de video */
#video{min-height:0;display:block;padding:24px 0 72px;background:var(--bg)}
.vb{position:relative;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;padding:clamp(22px,3.4vw,40px) clamp(22px,4vw,52px);border-radius:32px;border:1px solid rgba(255,255,255,.18);overflow:hidden;background:linear-gradient(115deg,#8A1AA8 0%,#4C1ED4 50%,#0B5A7C 100%);color:#fff;transition:translate .4s var(--ease),box-shadow .4s}
.vb:hover{translate:0 -4px;box-shadow:0 24px 60px -20px rgba(0,180,255,.5)}
.vb-glow{position:absolute;inset:-40%;background:conic-gradient(from 180deg,transparent,rgba(228,52,231,.22),transparent 30%,rgba(0,223,125,.16),transparent 60%);animation:bnspin 16s linear infinite reverse;pointer-events:none}
.vb-t{position:relative;display:grid;gap:10px;justify-items:start}
.vb-k{display:flex;gap:10px;align-items:center;font-size:.78rem;font-weight:700;color:#D5DCEC}.vb-k b{color:#fff;font-weight:800}
.vb-t strong{font-size:clamp(2.2rem,5.6vw,4.6rem);font-weight:800;letter-spacing:-.05em;line-height:1}
.vb-s{font-size:.92rem;font-weight:600;color:#D5DCEC;max-width:46ch}
.vb-cta{display:inline-flex;align-items:center;gap:10px;margin-top:6px;padding:12px 22px;border-radius:999px;background:#fff;color:#171D20;font-weight:800;font-size:.92rem;transition:gap .3s}
.vb-cta svg{width:18px}.vb:hover .vb-cta{gap:16px}
.vb-v{position:relative;display:grid;place-items:center}
.vb-fr{position:relative;display:grid;place-items:center;width:clamp(200px,22vw,300px);aspect-ratio:16/10;border-radius:18px;background:linear-gradient(135deg,rgba(255,255,255,.16),rgba(255,255,255,.04));border:1px solid rgba(255,255,255,.3);backdrop-filter:blur(4px);overflow:hidden}
.vb-play{position:relative;display:grid;place-items:center;width:64px;height:64px;border-radius:50%;background:#fff;color:#4C1ED4;box-shadow:0 10px 30px rgba(0,0,0,.35);transition:scale .3s var(--ease)}
.vb-play svg{width:28px;translate:2px 0}
.vb:hover .vb-play{scale:1.12}
.vb-ring{position:absolute;width:64px;height:64px;border-radius:50%;border:2px solid rgba(255,255,255,.6);animation:vbring 2.4s ease-out infinite}
.vb-ring.r2{animation-delay:1.2s}
@keyframes vbring{from{scale:1;opacity:.8}to{scale:3.2;opacity:0}}
.vb-pg{position:absolute;left:14px;right:14px;bottom:12px;height:4px;border-radius:4px;background:rgba(255,255,255,.25);overflow:hidden}
.vb-pg i{display:block;height:100%;width:100%;background:var(--growth);transform-origin:left;animation:vbpg 6s linear infinite}
@keyframes vbpg{from{scale:0 1}to{scale:1 1}}
@media (max-width:760px){.vb{grid-template-columns:1fr}.vb-fr{width:100%}}
@media (prefers-reduced-motion:reduce){.vb-glow,.vb-ring,.vb-pg i{animation:none}}