/* ============================================================
   Smart Home Era — Live Demo (cinematic video showcase)
   Reuses design tokens from style.css. Orvibo-style full-bleed
   video/photo hero sections rather than a dashboard/canvas UI.
   ============================================================ */

.vshow-media{position:absolute;inset:0;overflow:hidden;z-index:0}
.vshow-media video,.vshow-media img{width:100%;height:100%;object-fit:cover;display:block;transition:filter 2s cubic-bezier(.4,0,.2,1)}
.vshow-media::after{content:"";position:absolute;inset:0;z-index:1;background:var(--vshow-grad,linear-gradient(180deg,rgba(5,11,22,.35) 0%,rgba(5,11,22,.55) 55%,rgba(5,11,22,.92) 100%));pointer-events:none}
.vshow-light-glow{position:absolute;inset:0;z-index:1;pointer-events:none;opacity:0;transition:opacity 2s cubic-bezier(.4,0,.2,1);background:radial-gradient(ellipse 70% 55% at 50% 38%,rgba(255,208,140,.32),rgba(255,208,140,0) 68%)}
.vshow-media.lights-on .vshow-light-glow{opacity:1}
.vshow-media.dim video,.vshow-media.dim img{filter:brightness(.4) saturate(.65) sepia(.06) hue-rotate(190deg)}

/* ---------- room controls (lighting + temperature) ---------- */
.vshow-controls{display:flex;flex-direction:column;gap:16px;margin-top:24px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12)}
.vshow-lightswitch{display:flex;align-items:center;gap:12px}
.vshow-lightswitch .txt{font-size:12.5px;color:rgba(245,248,252,.7)}
.vshow-lightswitch .txt b{color:#fff;display:block;font-size:13.5px;margin-bottom:2px}
.vshow-switch{width:44px;height:25px;border-radius:999px;background:rgba(255,255,255,.18);position:relative;flex-shrink:0;transition:background 1.2s ease;margin-left:auto;cursor:pointer}
.vshow-switch::after{content:"";position:absolute;top:2px;left:2px;width:21px;height:21px;border-radius:50%;background:#fff;transition:transform .5s cubic-bezier(.4,0,.2,1)}
.vshow-switch.on{background:var(--cyber-500)}
.vshow-switch.on::after{transform:translateX(19px)}

.vshow-tempctrl{display:flex;align-items:center;gap:16px}
.vshow-dial{position:relative;width:72px;height:72px;flex-shrink:0}
.vshow-dial svg{width:100%;height:100%;transform:rotate(-90deg)}
.vshow-dial circle{fill:none;stroke-width:7}
.vshow-dial .dial-track{stroke:rgba(255,255,255,.15)}
.vshow-dial .dial-fill{stroke:var(--cyber-400);stroke-linecap:round;stroke-dasharray:201;stroke-dashoffset:201}
.dial-readout{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.dial-value{font-family:var(--font-display);font-size:18px;font-weight:600;color:#fff;line-height:1}
.dial-unit{font-size:8.5px;color:rgba(255,255,255,.55);margin-top:1px}
.vshow-temp-meta{flex:1;min-width:0}
.vshow-temp-meta b{display:block;color:#fff;font-size:13.5px;margin-bottom:2px}
.vshow-temp-label{font-size:11.5px;color:rgba(245,248,252,.65)}
.vshow-temp-buttons{display:flex;gap:8px;margin-top:9px}
.vshow-temp-btn{width:28px;height:28px;border-radius:50%;background:rgba(255,255,255,.1);color:#fff;font-size:16px;line-height:1;display:flex;align-items:center;justify-content:center;transition:.2s;flex-shrink:0}
.vshow-temp-btn:hover{background:rgba(255,255,255,.22)}

/* ---------- hero ---------- */
.vshow-hero{position:relative;min-height:92svh;display:flex;align-items:flex-end;padding-top:calc(150px + var(--announce-h));padding-bottom:70px;overflow:hidden}
.vshow-hero .container{position:relative;z-index:2}
.vshow-hero .eyebrow{color:var(--cyber-300)}
.vshow-hero h1{font-size:clamp(36px,6vw,76px);max-width:16ch;line-height:1.05;color:#fff}
.vshow-hero p.lead{color:rgba(245,248,252,.82);max-width:52ch;font-size:clamp(15px,1.5vw,18.5px)}
.vshow-hero .btn-row{margin-top:34px}
.vshow-scrollcue{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);z-index:2;display:flex;flex-direction:column;align-items:center;gap:6px;color:rgba(245,248,252,.6);font-family:var(--font-mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase}
.vshow-scrollcue span{width:1px;height:26px;background:linear-gradient(180deg,rgba(245,248,252,.7),transparent);animation:vshow-scroll 1.8s ease-in-out infinite}
@keyframes vshow-scroll{0%{opacity:0;transform:translateY(-6px)}50%{opacity:1}100%{opacity:0;transform:translateY(10px)}}

/* ---------- quick nav ---------- */
.vshow-quicknav{position:relative;z-index:3;padding:18px 0;background:var(--navy-950);border-bottom:1px solid var(--border)}
.vshow-quicknav .row{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none}
.vshow-quicknav .row::-webkit-scrollbar{display:none}
.vshow-quicknav a{
  flex-shrink:0;padding:10px 18px;border-radius:999px;border:1px solid var(--border);
  font-size:13px;font-weight:600;color:var(--text-muted);transition:.2s;white-space:nowrap;
}
.vshow-quicknav a:hover,.vshow-quicknav a.active{border-color:var(--border-strong);color:var(--text);background:rgba(46,155,240,.12)}

/* ---------- room sections ---------- */
.vshow-room{position:relative;min-height:88svh;display:flex;align-items:center;padding:90px 0;overflow:hidden}
.vshow-room .container{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.vshow-room.align-right .vshow-panel{grid-column:2}
@media(max-width:900px){.vshow-room .container{grid-template-columns:1fr}.vshow-room.align-right .vshow-panel{grid-column:1}}
.vshow-panel{background:rgba(5,11,22,.55);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-xl);padding:clamp(26px,3.4vw,44px)}
.vshow-panel .eyebrow{color:var(--cyber-300)}
.vshow-panel h2{font-size:clamp(26px,3.2vw,38px);color:#fff}
.vshow-panel p{color:rgba(245,248,252,.78);margin-top:14px;font-size:14.5px;line-height:1.7}
.vshow-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.vshow-chip{padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);font-size:12px;color:rgba(245,248,252,.85);display:flex;align-items:center;gap:6px}
.vshow-chip svg{width:13px;height:13px;color:var(--cyber-300)}

/* ---------- duo video showcase ---------- */
.vshow-duo-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:28px}
@media(max-width:760px){.vshow-duo-grid{grid-template-columns:1fr}}
.light-explainer{display:grid;grid-template-columns:.8fr 1.2fr;gap:32px;align-items:center}
@media(max-width:760px){.light-explainer{grid-template-columns:1fr}}
.vshow-duo-card{position:relative;aspect-ratio:16/10;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border)}
.vshow-duo-card video{width:100%;height:100%;object-fit:cover;display:block}
.vshow-duo-card .label{position:absolute;left:16px;bottom:16px;z-index:2;font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#fff;padding:6px 12px;border-radius:999px;background:rgba(5,11,22,.55);backdrop-filter:blur(6px)}
.vshow-duo-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(5,11,22,.65) 100%)}

@media (prefers-reduced-motion: reduce){
  .vshow-scrollcue span{animation:none}
  .vshow-media video,.vshow-media img,.vshow-light-glow,.vshow-switch,.vshow-switch::after,.vshow-dial .dial-fill{transition-duration:.01ms !important}
}

/* accessible fallback list */
.a11y-fallback{margin-top:8px}
.a11y-fallback summary{cursor:pointer;font-size:13px;color:var(--cyber-300);font-weight:600}
.a11y-fallback ul{margin-top:14px;display:flex;flex-direction:column;gap:10px}
.a11y-fallback li{font-size:13px;color:var(--text-muted);padding:10px 0;border-bottom:1px solid var(--border)}