/* Architectural image sequences; enhanced only after a usable frame exists. */
.tech-stage{touch-action:pan-y pinch-zoom;isolation:isolate;overflow:hidden;--tech-accent:#a9f0de;--tech-x:0;--tech-y:0}
.tech-positioned{position:relative}
.tech-surface{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:1;background:transparent;perspective:1200px}
.tech-canvas,.tech-fallback{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform-origin:50% 50%}
.tech-ready .tech-canvas{opacity:1}.tech-simple .tech-fallback{opacity:1}
.tech-surface:after{content:'';position:absolute;inset:0;box-shadow:inset 0 0 55px #03151622;background:radial-gradient(ellipse at calc(50% + var(--tech-x)*20%) calc(50% + var(--tech-y)*20%),#e4fff912,transparent 55%);pointer-events:none}
.tech-stage .tech-surface{animation:tech-drift 17s ease-in-out infinite alternate;animation-play-state:paused}
.tech-stage.tech-running .tech-surface{animation-play-state:running}
@keyframes tech-drift{from{scale:1.01;translate:0 0}to{scale:1.045;translate:-.35% .2%}}
.tech-stage:not(.tech-running) .tech-surface{animation-play-state:paused}
.tech-frame{position:absolute;inset:16px;z-index:3;pointer-events:none;color:var(--tech-accent);opacity:.65;transition:opacity .5s}
.tech-frame:before,.tech-frame:after{content:'';position:absolute;width:42px;height:42px;border-color:currentColor;border-style:solid}
.tech-frame:before{left:0;top:0;border-width:1px 0 0 1px}.tech-frame:after{right:0;bottom:0;border-width:0 1px 1px 0}
.tech-frame svg{position:absolute;width:100%;height:100%;inset:0;fill:none;stroke:currentColor;stroke-width:.6;vector-effect:non-scaling-stroke;opacity:.45}
.tech-frame .tech-trace{stroke-dasharray:180 1200;stroke-dashoffset:1380;animation:tech-trace 9s linear infinite;animation-play-state:paused;stroke-width:1.6;opacity:.9}
.tech-running .tech-trace{animation-play-state:running}
@keyframes tech-trace{to{stroke-dashoffset:0}}
.tech-sheen{position:absolute;inset:-20%;z-index:2;pointer-events:none;background:linear-gradient(112deg,transparent 45%,#c4fff13b 49.7%,#fff9 50%,transparent 50.4%);opacity:0}
.tech-changing .tech-frame{opacity:1}.tech-changing .tech-sheen{animation:tech-sheen 1.7s cubic-bezier(.2,.6,.2,1) both}
@keyframes tech-sheen{0%{opacity:0;transform:translateX(-65%)}20%{opacity:.6}80%{opacity:.4}100%{opacity:0;transform:translateX(65%)}}
.tech-controls{position:absolute;z-index:9;left:30px;right:30px;bottom:24px;display:flex;justify-content:space-between;align-items:end;gap:16px;color:#fff;pointer-events:none}
.tech-panel{min-width:230px;max-width:100%;padding:15px 17px;background:linear-gradient(120deg,#0b2228ed,#123137c9);border:1px solid #e2fff333;border-radius:3px;box-shadow:0 10px 35px #001b2a26;backdrop-filter:blur(12px);pointer-events:auto}
.tech-panel-top{display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:8px;letter-spacing:.16em;color:#d6eee8}
.tech-panel-top>span{display:flex;align-items:center;gap:7px}.tech-panel-top i{width:4px;height:4px;background:var(--tech-accent,#a9f0de);border-radius:50%;box-shadow:0 0 9px currentColor}
.tech-name{display:block;font-size:clamp(16px,1.5vw,22px);line-height:1.15;letter-spacing:-.025em;margin:9px 0 12px;color:#fff;font-weight:400}
.tech-nav{display:flex;align-items:center;gap:7px}
.tech-controls button{appearance:none;border:1px solid #e5fff333;border-radius:0;color:#e8f8f4;background:transparent;font:inherit;font-size:11px;min-width:44px;min-height:44px;padding:0 11px;cursor:pointer;position:relative;overflow:hidden;transition:background .2s,color .2s}
.tech-controls button:hover,.tech-controls button:focus-visible{background:#d8f2e7;color:#092d34}.tech-controls button:focus-visible{outline:2px solid #fff;outline-offset:3px}
.tech-controls .tech-tab[aria-pressed=true]{background:#e4fff119;color:#fff;border-color:#c3f0e599}
.tech-tab:after{content:'';position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--tech-accent,#a9f0de);transform:scaleX(0);transform-origin:left}
.tech-running-controls .tech-tab[aria-pressed=true]:after{animation:tech-progress 8s linear both}
.tech-paused-controls .tech-tab:after{animation-play-state:paused}
@keyframes tech-progress{to{transform:scaleX(1)}}
.tech-controls .tech-pause{margin-left:auto;font-size:13px;border-radius:50%;width:44px;padding:0}
.tech-caption{font-size:8px;letter-spacing:.08em;line-height:1.6;margin-top:10px;color:#b9d7d0;max-width:280px}
.tech-biografia{--tech-accent:#ffcf53}
.tech-host-biografia .tech-panel{background:linear-gradient(135deg,#152623f2,#193f35d9);border-radius:0}
.tech-host-biografia .tech-controls{left:28px;right:28px;bottom:28px}
.tech-host-biografia .cover-circle{box-shadow:0 0 0 1px #f7b52344;transition:transform .7s cubic-bezier(.2,.8,.2,1)}
.tech-host-biografia.tech-hover .cover-circle{transform:translate3d(calc(var(--hero-x,0)*9px),calc(var(--hero-y,0)*8px),0) scale(1.025)}
.tech-aivazovskiy,.tech-host-aivazovskiy{--tech-accent:#e7d2a7;touch-action:pan-y pinch-zoom}
.tech-host-aivazovskiy>.tech-controls{top:42%;bottom:auto;right:5vw;left:auto;max-width:280px}
.tech-host-aivazovskiy .tech-panel{background:linear-gradient(135deg,#102b39e8,#163e43bd);border-color:#f1d7a144}
.tech-host-aivazovskiy .tech-caption{color:#e2dac7}
.tech-host-aivazovskiy .wave-lines{display:none}
.tech-dudinskaya{--tech-accent:#ffcc94}
.tech-host-dudinskaya .tech-controls{top:25px;bottom:auto;left:26px;right:auto}
.tech-host-dudinskaya .tech-panel{background:linear-gradient(125deg,#162d39ee,#213744d9);border-color:#ffe3bb44}
@media(max-width:600px){
 .tech-frame{inset:10px}.tech-frame:before,.tech-frame:after{width:24px;height:24px}
 .tech-controls,.tech-host-biografia .tech-controls{left:12px;right:12px;bottom:12px}
 .tech-panel{padding:10px 12px;min-width:0;width:100%;border-radius:2px;backdrop-filter:none}
 .tech-panel-top{font-size:7px;letter-spacing:.11em}.tech-name{font-size:17px;margin:7px 0 8px}
 .tech-nav{gap:5px}.tech-controls button{font-size:10px;min-width:44px;min-height:44px}
 .tech-caption{font-size:7px;line-height:1.45;margin-top:7px}
 .tech-host-biografia .book-photo{height:370px}.tech-host-biografia .tech-panel{width:100%}
 .tech-host-aivazovskiy>.tech-controls{top:34%;right:24px;left:auto;width:194px;max-width:calc(100% - 48px)}
 .tech-host-aivazovskiy .tech-panel{padding:10px 12px}.tech-host-aivazovskiy .tech-name{font-size:19px}
 .tech-host-aivazovskiy .tech-caption{font-size:7px;max-width:150px}
 .tech-host-dudinskaya .hero-image{min-height:410px;min-width:0;width:100%;max-width:100%}
 .tech-host-dudinskaya .hero-image>picture{display:block;width:100%;min-width:0}
 .tech-host-dudinskaya .hero-image>picture>img{width:100%;max-width:100%;height:410px;object-fit:cover}
 .tech-host-dudinskaya .tech-controls{left:12px;right:12px;top:12px;bottom:auto}
 .tech-host-dudinskaya .tech-panel{width:100%}
}
@media(prefers-reduced-motion:reduce){.tech-surface,.tech-trace,.tech-sheen,.tech-tab:after{animation:none!important}.tech-frame,.tech-sheen{display:none}.tech-controls .tech-pause{display:none}.tech-host-biografia .cover-circle{transform:none!important;transition:none}}

/* Requested: retain wave, remove effect control panel entirely. */
.tech-host-aivazovskiy>.tech-controls{display:none!important}