/* =========================================================
   CPS-W · DEMOSTRACIONES DE CURSOS
   ========================================================= */

.demos-page{background:radial-gradient(circle at 25% 0%,rgba(0,184,255,.10),transparent 28%),#020817;color:#fff}
.demos-inner{width:min(100%,1200px)}
.demos-top{align-items:start;gap:18px}
.demos-intro{max-width:760px;margin:10px auto 0;color:var(--muted,#9fb7cc);line-height:1.6;text-align:center}
.device-badge{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:8px 12px;border:1px solid rgba(0,184,255,.35);border-radius:999px;color:#62d9ff;background:rgba(0,25,53,.72);font-size:.83rem;white-space:nowrap}
.demo-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:28px}
.demo-card{display:grid;grid-template-columns:58px 1fr;gap:15px;padding:18px;min-height:190px;border:1px solid rgba(0,184,255,.22);border-radius:18px;background:linear-gradient(135deg,rgba(4,24,52,.88),rgba(0,10,26,.95));box-shadow:0 0 24px rgba(0,184,255,.08)}
.demo-card--active{border-color:rgba(0,184,255,.55);box-shadow:0 0 28px rgba(0,184,255,.18)}
.demo-card__icon{width:58px;height:58px;display:grid;place-items:center;border-radius:14px;border:1px solid rgba(0,184,255,.40);color:#62d9ff;background:#061a36;font-weight:900;font-size:1.1rem}
.demo-card__body{display:flex;flex-direction:column;align-items:flex-start}
.demo-card__status{font-size:.74rem;letter-spacing:.05em;text-transform:uppercase;color:#6ce6ff}
.demo-card__status--soon{color:#8aa3b7}
.demo-card h2{margin:7px 0 7px;color:#fff;font-size:1.15rem}
.demo-card p{margin:0 0 14px;color:var(--muted,#9fb7cc);font-size:.9rem;line-height:1.45}
.demo-card__button{margin-top:auto;min-height:42px;padding:9px 13px;border:0;border-radius:10px;cursor:pointer;color:#00111f;background:linear-gradient(135deg,#00b8ff,#83ecff);font-weight:900}
.demo-viewer{margin:34px 0 10px;padding:20px;border:1px solid rgba(0,184,255,.38);border-radius:22px;background:linear-gradient(145deg,rgba(2,20,44,.98),rgba(0,7,20,.99));box-shadow:0 0 34px rgba(0,184,255,.15)}
.demo-viewer__head{display:flex;justify-content:space-between;align-items:start;gap:16px;margin-bottom:14px}
.demo-viewer__head h2{margin:6px 0 0;color:#fff}
.demo-viewer__close{width:42px;height:42px;border-radius:50%;border:1px solid rgba(0,184,255,.35);background:#061a36;color:#fff;font-size:1.7rem;cursor:pointer}
.demo-video-wrap{display:flex;justify-content:center;align-items:center;min-height:320px;background:#000;border-radius:16px;overflow:hidden}
#demoVideo{display:block;max-width:100%;max-height:76vh;background:#000}
.version-info{margin:12px 0 0;color:#7fdfff;text-align:center;font-size:.86rem}
.demo-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:16px}
.demo-action{display:flex;align-items:center;justify-content:center;min-height:48px;padding:10px 13px;text-decoration:none;text-align:center;color:#fff;background:#071a36;border:1px solid rgba(0,184,255,.42);border-radius:11px;font-weight:800}
.demo-action--primary{color:#00111f;background:linear-gradient(135deg,#00b8ff,#83ecff);border-color:transparent}
.demo-action--disabled{opacity:.42;pointer-events:none}
.demos-footer{margin-top:30px;padding:20px 0;text-align:center;color:#7893aa;font-size:.85rem}

@media (max-width:980px){.demo-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:700px){
 .demos-top{display:grid;text-align:center}.device-badge{justify-self:center}
 .demo-grid{grid-template-columns:1fr;gap:12px}
 .demo-card{min-height:auto;padding:15px;grid-template-columns:52px 1fr}.demo-card__icon{width:52px;height:52px}
 .demo-viewer{padding:10px;margin-top:22px;border-radius:14px}
 .demo-viewer__head{padding:3px 4px}.demo-viewer__head h2{font-size:1.15rem}
 .demo-video-wrap{min-height:0;border-radius:10px}
 #demoVideo{width:100%;max-height:none}
 .demo-actions{grid-template-columns:1fr}
}