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var(--hair);display:grid;grid-template-columns:1.25fr 1fr;gap:56px;align-items:start}.stage-wrap{position:sticky;top:24px;align-self:start;height:calc(100vh - 48px);min-height:600px;display:flex;align-items:center}.stage{width:100%;border:1px solid var(--hair-strong);padding:28px 32px 36px;background:radial-gradient(ellipse at 50% 30%,rgba(28,47,71,.5)0,transparent 70%),linear-gradient(#0a1929d9,#0a1929d9);position:relative;aspect-ratio:4/3.4}.stage .marks{position:absolute;top:8px;left:8px;display:flex;gap:14px;font-family:var(--sans);font-weight:500;font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-mute);background:var(--bg);padding:2px 6px}.stage .marks b{color:var(--ink);font-weight:500}.stage .phase-tag{position:absolute;bottom:14px;right:18px;font-family:var(--sans);font-weight:500;font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--copper-bright)}.stage svg{width:100%;height:100%;display:block;overflow:visible}.s-line{fill:none;stroke:var(--hair-strong);stroke-width:1}.s-thick{fill:none;stroke:var(--ink);stroke-width:1.6;opacity:.65}.s-hair{fill:none;stroke:var(--hair);stroke-width:.8}.s-gold{fill:none;stroke:var(--copper-bright);stroke-width:1.6;transition:stroke .35s ease,opacity .35s ease;opacity:0}.s-gold.active{opacity:1}.s-fill-bg{fill:var(--graphite);stroke:var(--hair-strong);stroke-width:1}.s-text{font-family:var(--sans);font-weight:500;font-size:9.5px;letter-spacing:.18em;text-transform:uppercase;fill:var(--ink-mute);transition:fill .35s ease}.s-text.active{fill:var(--copper-bright)}.s-dim{fill:none;stroke:var(--ink-mute);stroke-width:.6;stroke-dasharray:2 3}.rack-fill{transform-origin:center bottom;transform:scaleY(0);transition:transform 1.2s cubic-bezier(.2,.7,.2,1);fill:var(--copper);opacity:.9}.stage[data-phase=fill] .rack-fill{transform:scaleY(1)}.stage[data-phase=fill] .rack-fill.r2{transition-delay:.08s}.stage[data-phase=fill] .rack-fill.r3{transition-delay:.16s}.stage[data-phase=fill] .rack-fill.r4{transition-delay:.24s}.stage[data-phase=fill] .rack-fill.r5{transition-delay:.32s}.stage[data-phase=fill] .rack-fill.r6{transition-delay:.4s}.stage[data-phase=cooling] .group-cooling .s-gold{opacity:1}.stage[data-phase=cooling] .group-cooling .s-text{fill:var(--copper-bright)}.stage[data-phase=power] .group-power .s-gold{opacity:1}.stage[data-phase=power] .group-power .s-text{fill:var(--copper-bright)}.stage[data-phase=rack] .group-rack .s-gold{opacity:1}.stage[data-phase=rack] .group-rack .s-text{fill:var(--copper-bright)}.stage[data-phase=fill] .group-rack .s-gold{opacity:1}.stage[data-phase=fill] .group-rack .s-text{fill:var(--copper-bright)}.pulse-ring{fill:none;stroke:var(--copper-bright);stroke-width:1;opacity:0}.stage[data-phase=cooling] .group-cooling .pulse-ring,.stage[data-phase=power] .group-power .pulse-ring,.stage[data-phase=rack] .group-rack .pulse-ring,.stage[data-phase=fill] .group-rack .pulse-ring{animation:pulse 2.6s ease-out infinite}@keyframes pulse{0%{r:6;opacity:.7}to{r:26;opacity:0}}@media (prefers-reduced-motion:reduce){.pulse-ring{animation:none;opacity:0}.rack-fill{transition:none;transform:scaleY(1)}}.phases{display:flex;flex-direction:column;padding:24px 0}.phase{min-height:70vh;padding:80px 0 40px;display:flex;flex-direction:column;justify-content:center;border-bottom:1px dashed var(--hair);transition:opacity .4s ease}.phase:last-child{border-bottom:none}.phase .ix{font-family:var(--sans);font-weight:500;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--copper-bright);margin-bottom:16px;display:flex;align-items:center;gap:10px}.phase .ix:before{content:"●";font-size:8px}.phase h3{font-family:var(--serif);font-weight:400;font-size:clamp(32px,3.8vw,52px);line-height:1.02;letter-spacing:-.014em;margin:0 0 18px;max-width:18ch;color:var(--ink)}.phase h3 em{font-style:italic;color:var(--copper-bright);font-weight:500}.phase p{font-family:var(--serif);font-weight:400;font-size:20px;line-height:1.55;color:var(--ink-soft);margin:0 0 14px;max-width:50ch}.phase p strong{color:var(--ink);font-weight:500}.phase .meta{margin-top:18px;border-top:1px solid var(--hair);padding-top:14px;display:grid;grid-template-columns:1fr 1fr;gap:12px 24px;font-family:var(--sans);font-size:12px;color:var(--ink-soft)}.phase .meta>div small{display:block;font-weight:500;font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:4px}.phase .meta>div b{color:var(--copper-bright);font-family:var(--serif);font-weight:500;font-size:16px}.tech-databar{margin-top:56px;display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--hair-strong)}.tech-databar>div{padding:24px 24px 28px;border-right:1px solid var(--hair)}.tech-databar>div:last-child{border-right:none}.tech-databar .k{font-family:var(--sans);font-weight:500;font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:10px}.tech-databar .v{font-family:var(--serif);font-weight:500;font-size:clamp(32px,3.4vw,44px);line-height:1;color:var(--ink);margin-bottom:8px;letter-spacing:-.012em;font-variant-numeric:tabular-nums lining-nums}.tech-databar .l{font-family:var(--serif);font-size:16px;color:var(--ink-soft)}.tech-databar .src{margin-top:10px;font-family:var(--sans);font-weight:500;font-size:9.5px;color:var(--ink-mute);letter-spacing:.14em;text-transform:uppercase}@media (max-width:980px){.tech-intro{grid-template-columns:1fr;gap:28px;padding:60px 0 24px}.tech-discovery{grid-template-columns:1fr;gap:24px}.stage-wrap{position:relative;top:0;height:auto;min-height:0}.phase{min-height:0;padding:36px 0}.tech-databar{grid-template-columns:repeat(2,1fr)}.tech-databar>div:nth-child(2){border-right:none}.tech-databar>div{border-bottom:1px solid var(--hair)}}