:root{
  --red:#C20E36;
  --red-bright:#E5103E;
  --ui:rgba(255,255,255,.92);
  --ui-dim:rgba(255,255,255,.55);
  --panel:rgba(12,12,14,.72);
  --glass:rgba(255,255,255,.06);
  --glass-bd:rgba(255,255,255,.14);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  background:#000;color:var(--ui);
  font-family:"Manrope",-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  overflow:hidden;-webkit-font-smoothing:antialiased;user-select:none;
}

/* progress */
#progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--red-bright);
  z-index:60;transition:width .35s ease;box-shadow:0 0 12px rgba(229,16,62,.7)}

/* stage 16:9 */
#stage-wrap{position:fixed;inset:0;display:flex;align-items:center;justify-content:center}
#stage{
  position:relative;aspect-ratio:16/9;
  width:min(100vw, calc(100vh * 16/9));
  height:min(100vh, calc(100vw * 9/16));
  background:#000;overflow:hidden;
  container-type:size;          /* включаем cqw/cqh для масштабируемой вёрстки */
}

.slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .45s ease;z-index:1;
  background:#06060a}
.slide.under{opacity:1;visibility:visible;z-index:2;transition:none}
.slide.active{opacity:1;visibility:visible;z-index:3}
.slide.image{background-size:cover;background-position:center;background-repeat:no-repeat;background-color:#000}

/* ===== общий каркас кейс-слайда ===== */
.pad{position:absolute;inset:0;padding:5.2cqh 4cqw;display:flex;flex-direction:column}
.head{display:flex;justify-content:space-between;align-items:center;
  font-size:1.25cqw;letter-spacing:.16em;color:var(--red);font-weight:600;z-index:4}
.head .r{color:rgba(206,18,52,.85)}

/* фоновое красное свечение, сквозь которое «стеклит» панель */
.slide.case{background:radial-gradient(40cqw 42cqh at 12cqw 84cqh, rgba(150,10,40,.16), transparent 70%), #06060a}
.slide.case::before{content:"";position:absolute;right:-4cqw;top:13cqh;width:56cqw;height:78cqh;z-index:1;
  background:radial-gradient(closest-side, rgba(232,20,68,.55), rgba(150,8,36,.16) 64%, transparent)}

/* красная стеклянная панель справа: полупрозрачные слои + блик + кромка (без тяжёлого blur) */
.redpanel{position:absolute;top:0;bottom:0;right:0;width:46cqw;z-index:2;
  background:
    linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,0) 13%),
    linear-gradient(120deg, rgba(175,16,48,.05) 0%, rgba(160,12,44,.30) 42%, rgba(128,7,33,.46) 100%);
  border-left:1px solid rgba(255,255,255,.16);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 18%);
  mask-image:linear-gradient(90deg,transparent,#000 18%)}

/* медиа: рамка 16:9, видео целиком (без обрезки) + стеклянное отражение снизу */
.media-frame{position:absolute;z-index:3;right:3cqw;top:46%;transform:translateY(-50%);
  width:43cqw;aspect-ratio:16/9;border-radius:1.1cqw;overflow:hidden;background:#000;
  border:1px solid rgba(255,255,255,.22);
  box-shadow:0 2cqh 5cqh rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.18);
  -webkit-box-reflect:below 0.8cqh linear-gradient(transparent 0 34%, rgba(0,0,0,.30) 100%)}
.media-frame video{width:100%;height:100%;object-fit:contain;display:block;background:#000}
/* верхний световой блик на стекле */
.media-frame::after{content:"";position:absolute;inset:0;pointer-events:none;z-index:4;
  background:linear-gradient(150deg, rgba(255,255,255,.18) 0%, rgba(255,255,255,0) 24%)}
.slide.no-video .media-frame video{display:none}
/* плейсхолдер, когда видео ещё нет */
.ph{position:absolute;inset:0;display:none;flex-direction:column;align-items:center;justify-content:center;
  gap:1.6cqh;color:rgba(255,255,255,.75);background:linear-gradient(135deg,rgba(60,4,16,.6),rgba(20,2,8,.6))}
.slide.no-video .ph{display:flex}
.ph svg{width:5cqw;height:5cqw;fill:rgba(255,255,255,.85)}
.ph span{font-size:1.15cqw;letter-spacing:.05em;color:rgba(255,255,255,.6)}

/* левая колонка */
.left{position:relative;z-index:3;display:flex;flex-direction:column;height:100%;
  padding-top:7.5cqh;width:50cqw}
.case-title{font-size:4.4cqw;font-weight:800;line-height:1.03;text-transform:uppercase;letter-spacing:-.01em}
.sub{font-size:1.75cqw;font-weight:600;margin-top:1.8cqh;color:#fff;max-width:44cqw}
/* подзаголовок без описания — на уровень видео, на 15% крупнее */
.sub.bottom{position:absolute;left:0;top:52cqh;margin:0;font-size:2.01cqw}
.desc{font-size:1.24cqw;line-height:1.5;color:rgba(255,255,255,.62);margin-top:2.6cqh;max-width:40cqw}
.desc p{margin-bottom:1.1cqh}
.desc b{color:rgba(255,255,255,.9);font-weight:600}
.desc ul{list-style:none;margin-top:.4cqh}
.desc li{position:relative;padding-left:1.4cqw;margin-bottom:.5cqh}
.desc li::before{content:"";position:absolute;left:0;top:.7cqh;width:.5cqw;height:.5cqw;border-radius:50%;background:var(--red-bright)}

/* footer chips (срок/место) */
.foot{margin-top:auto;display:flex;gap:1.6cqw;z-index:3}
.chip{display:flex;gap:1cqw;align-items:flex-start;padding:1.5cqh 1.7cqw;border-radius:.9cqw;
  background:linear-gradient(180deg,rgba(255,255,255,.13),rgba(255,255,255,.05));
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(255,255,255,.2);
  box-shadow:0 1cqh 2.5cqh rgba(0,0,0,.3), inset 0 1px 0 rgba(255,255,255,.18)}
.chip svg{width:1.7cqw;height:1.7cqw;fill:none;stroke:var(--red-bright);stroke-width:1.7;margin-top:.3cqh;flex:none}
.chip .k{font-size:.98cqw;color:rgba(255,255,255,.5);letter-spacing:.02em}
.chip .v{font-size:1.2cqw;color:#fff;margin-top:.3cqh;line-height:1.25}

/* ===== тёмный вариант кейс-слайда (без красной панели) ===== */
.slide.case.dark{background:
  repeating-linear-gradient(90deg, rgba(255,255,255,.022) 0 1px, transparent 1px 13px),
  radial-gradient(120% 100% at 78% 50%, rgba(46,48,54,.45), transparent 62%),
  linear-gradient(105deg,#070708,#0d0e11)}
.slide.case.dark .redpanel{display:none}
.slide.case.dark::before{background:radial-gradient(closest-side, rgba(110,112,120,.20), transparent 72%)}
.slide.case.dark .media-frame{border-color:rgba(255,255,255,.12)}
.slide.case.dark .ph{background:linear-gradient(135deg,rgba(32,32,36,.7),rgba(12,12,14,.7))}
.slide.case.dark .head .r{color:rgba(255,255,255,.4)}

/* ===== титульный слайд ===== */
.slide.title{background:
  radial-gradient(120% 100% at 100% 50%, rgba(150,8,34,.85), transparent 55%),
  repeating-linear-gradient(90deg, rgba(255,255,255,.022) 0 2px, transparent 2px 9px),
  linear-gradient(105deg,#040406 30%, #1a0309 65%, #43040f 100%)}
.title-wrap{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:0 6cqw}
.title-wrap .kicker{font-size:1.5cqw;letter-spacing:.12em;color:rgba(255,255,255,.8);margin-bottom:2cqh}
.title-wrap h1{font-size:9cqw;font-weight:800;line-height:.98;text-transform:uppercase;letter-spacing:-.01em}
.title-wrap .tag{font-size:1.55cqw;color:rgba(255,255,255,.78);margin-top:3cqh;max-width:42cqw;line-height:1.45}

/* ===== раздел КЕЙСЫ ===== */
.slide.divider{background:
  radial-gradient(130% 90% at 0% 50%, rgba(150,8,34,.8), transparent 55%),
  linear-gradient(100deg,#2a0209,#06060a 60%)}
.divider .hd{position:absolute;top:5.2cqh;left:4cqw;font-size:1.25cqw;letter-spacing:.16em;color:var(--red);font-weight:600}
.divider h2{position:absolute;left:0;right:0;bottom:8cqh;text-align:center;font-size:16cqw;font-weight:800;text-transform:uppercase;letter-spacing:-.01em}

/* ===== контакты ===== */
.slide.contacts{background:
  radial-gradient(120% 100% at 100% 100%, rgba(150,8,34,.7), transparent 55%),
  linear-gradient(120deg,#06060a,#120208)}
.contacts .pad{justify-content:flex-start}
.contacts h2{font-size:8cqw;font-weight:800;text-transform:uppercase;margin-top:6cqh}
.contacts .grid{display:grid;grid-template-columns:auto 1fr;gap:5cqw;margin-top:5cqh;align-items:center}
.contacts .qr{width:24cqw;height:24cqw;border-radius:1.2cqw;background:#0a0a0c center/cover no-repeat;
  border:1px solid var(--glass-bd);box-shadow:0 1.5cqh 4cqh rgba(0,0,0,.5)}
.contacts .info{display:flex;flex-direction:column;gap:2.4cqh;font-size:2cqw}
.contacts .info .row{display:flex;align-items:center;gap:1.6cqw}
.contacts .info svg{width:2.2cqw;height:2.2cqw;fill:none;stroke:var(--red-bright);stroke-width:1.7;flex:none}
.contacts .info a{color:#fff;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.3)}
.contacts .info .name{font-weight:700}

/* per-video controls */
.vctrl{position:absolute;z-index:5;right:1.2cqw;bottom:1.2cqh;display:flex;gap:.7cqw;
  opacity:0;transition:opacity .25s;pointer-events:none}
#stage:hover .slide.active .vctrl{opacity:1;pointer-events:auto}
.vctrl button{width:2.7cqw;height:2.7cqw;min-width:30px;min-height:30px;border:none;border-radius:50%;
  background:rgba(0,0,0,.5);backdrop-filter:blur(6px);color:#fff;cursor:pointer;display:grid;place-items:center;
  transition:background .2s,transform .15s}
.vctrl button:hover{background:var(--red);transform:scale(1.08)}
.vctrl svg{width:1.4cqw;height:1.4cqw;min-width:15px;min-height:15px;fill:#fff}

/* nav */
#nav{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);display:flex;align-items:center;gap:18px;z-index:50;
  padding:8px 14px;border-radius:40px;background:var(--panel);backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.08);opacity:.85;transition:opacity .25s}
#nav:hover{opacity:1}
.navbtn{width:40px;height:40px;border:none;border-radius:50%;background:rgba(255,255,255,.06);color:#fff;cursor:pointer;
  display:grid;place-items:center;transition:background .2s,transform .15s}
.navbtn:hover{background:var(--red);transform:translateY(-1px)}
.navbtn:disabled{opacity:.3;cursor:default;background:rgba(255,255,255,.04)}
.navbtn svg{width:20px;height:20px;fill:#fff}
#counter{font-variant-numeric:tabular-nums;font-weight:600;font-size:15px;letter-spacing:.06em;min-width:70px;text-align:center}
#counter b{color:var(--red-bright)} #counter span{color:var(--ui-dim)}

#topbar{position:fixed;top:16px;right:18px;display:flex;gap:10px;z-index:50}
.iconbtn{width:40px;height:40px;border:none;border-radius:10px;background:var(--panel);backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.08);color:#fff;cursor:pointer;display:grid;place-items:center;transition:background .2s}
.iconbtn:hover{background:var(--red)} .iconbtn svg{width:20px;height:20px;fill:#fff}

#overview{position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.96);display:none;
  grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;padding:64px 28px 28px;overflow:auto}
#overview.open{display:grid}
.ov-item{position:relative;cursor:pointer;border-radius:8px;overflow:hidden;border:2px solid transparent;
  transition:border .15s,transform .15s;aspect-ratio:16/9;background:#111}
.ov-item:hover{border-color:var(--red-bright);transform:translateY(-3px)}
.ov-item iframe{width:100%;height:100%;border:0;pointer-events:none;transform:scale(1.001)}
.ov-item .num{position:absolute;top:6px;left:6px;background:var(--red);font-size:11px;font-weight:700;padding:2px 7px;border-radius:4px;z-index:2}
#ov-close{position:fixed;top:18px;right:22px;z-index:101}

#hint{position:fixed;bottom:78px;left:50%;transform:translateX(-50%);font-size:12px;color:var(--ui-dim);z-index:40;
  letter-spacing:.04em;transition:opacity .6s;text-align:center}
@media (max-width:640px){#nav{bottom:14px;gap:12px}#hint{display:none}}