/* Presentation mode for projector / big screen. */
html,body.deck{height:100%;margin:0;overflow:hidden}
body.deck{background:radial-gradient(1200px 700px at 80% -10%,rgba(34,211,255,.22),transparent 60%),radial-gradient(900px 600px at 0% 110%,rgba(139,92,246,.22),transparent 60%),#050914;color:#eef4ff}
.deck-progress{position:fixed;top:0;inset-inline:0;height:6px;background:rgba(255,255,255,.08);z-index:5}
.deck-progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,#22d3ff,#3b82f6,#8b5cf6);transition:width .4s ease}
.deck-stage{position:fixed;inset:6px 0 74px 0;overflow:hidden}
.slide{position:absolute;inset:0;display:none;padding:4vh 6vw;overflow:auto;animation:fade .5s ease}
.slide.is-active{display:flex;flex-direction:column;justify-content:center}
@keyframes fade{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.slide-cover{position:relative;text-align:center;margin:auto;display:flex;flex-direction:column;align-items:center;gap:10px}
.slide-cover .orb{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;z-index:-1}
.slide-cover .orb.a{width:420px;height:420px;background:#22d3ff;top:-120px;inset-inline-start:-80px}
.slide-cover .orb.b{width:360px;height:360px;background:#8b5cf6;bottom:-120px;inset-inline-end:-60px}
.cover-logo img{border-radius:28px;box-shadow:0 20px 60px rgba(34,211,255,.35)}
.cover-title{font-size:clamp(3rem,9vw,7rem);font-weight:900;margin:.2em 0 0;line-height:1.05}
.cover-sub{font-size:clamp(1.4rem,3vw,2.2rem);color:#dbe6ff;margin:0;font-weight:700}
.cover-note{color:#a7b5dd;font-size:clamp(1rem,1.6vw,1.3rem);margin:8px 0 0}
.slide-head{display:flex;gap:18px;align-items:center;margin-bottom:10px}
.slide-ico{width:84px;height:84px;border-radius:24px;display:grid;place-items:center;font-size:2.6rem;background:rgba(255,255,255,.07);border:1px solid rgba(120,170,255,.25);flex:none}
.slide-num{color:#ffb400;font-weight:800;font-size:clamp(.95rem,1.4vw,1.2rem)}
.slide h2{font-size:clamp(2rem,4.4vw,3.6rem);margin:0;font-weight:900;line-height:1.2}
.slide-intro{font-size:clamp(1.15rem,2vw,1.8rem);color:#c9d6f5;margin:8px 0 18px;max-width:none;line-height:1.7}
.slide-points{list-style:none;padding:0;margin:0 0 18px;display:grid;gap:10px;grid-template-columns:1fr}
.slide-points.two{grid-template-columns:1fr 1fr}
.slide-points li{background:rgba(255,255,255,.05);border:1px solid rgba(120,170,255,.2);border-radius:16px;padding:12px 44px 12px 16px;position:relative;font-size:clamp(1rem,1.7vw,1.5rem);line-height:1.7;color:#eef4ff}
.slide-points li::before{content:"◆";position:absolute;inset-inline-start:14px;top:12px;color:#22d3ff;font-size:.9em}
.slide-ben{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:auto}
.slide-ben div{border-radius:16px;padding:14px 18px;font-size:clamp(1rem,1.6vw,1.35rem);line-height:1.7}
.slide-ben .t{background:linear-gradient(135deg,rgba(34,211,255,.18),rgba(59,130,246,.12));border:1px solid rgba(34,211,255,.3)}
.slide-ben .s{background:linear-gradient(135deg,rgba(255,180,0,.2),rgba(255,122,0,.12));border:1px solid rgba(255,180,0,.35)}
.slide-ben b{color:#fff}
.deck-bar{position:fixed;bottom:0;inset-inline:0;height:74px;display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;background:rgba(5,9,20,.92);border-top:1px solid rgba(120,170,255,.2);z-index:6;padding:0 12px}
.deck-bar .btn{padding:9px 16px;font-size:.95rem}
.deck-count{min-width:90px;text-align:center;font-weight:800;color:#dbe6ff;direction:ltr}
.deck-bar button{cursor:pointer}
@media (max-width:760px){
  .slide{padding:3vh 5vw}
  .slide-points.two{grid-template-columns:1fr}
  .slide-ben{grid-template-columns:1fr}
  .slide-ico{width:60px;height:60px;font-size:1.9rem}
  .deck-stage{inset:6px 0 110px 0}
  .deck-bar{height:110px}
}
@media print{
  html,body.deck{height:auto;overflow:visible;background:#fff;color:#000}
  .deck-progress,.deck-bar{display:none}
  .deck-stage{position:static}
  .slide{position:relative;display:flex!important;page-break-after:always;min-height:100vh;animation:none}
  .slide-ico{background:#eee}
}