.demo-intro{display:grid;grid-template-columns:1.15fr 1fr;gap:70px;align-items:end;padding:76px 0 52px}.demo-intro h1{font-size:clamp(52px,6vw,82px);font-weight:850;line-height:.98;letter-spacing:-.055em;margin:0}.demo-intro h1 span{color:var(--sp-blue)}.demo-explainer>p:first-child{font-size:24px;line-height:1.4;color:var(--sp-ink);font-weight:600}.demo-explainer .fine{max-width:440px}.demo-console{border:1px solid var(--sp-line);border-radius:6px;background:var(--sp-soft);overflow:hidden}.console-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;background:#fff;padding:28px 36px;border-bottom:1px solid var(--sp-line)}.console-heading .eyebrow{margin:0 0 8px;font-size:10px}.console-heading h2{font-size:26px;margin:0}.sample-label{font-size:10px;font-weight:800;letter-spacing:.1em;background:var(--sp-yellow);color:var(--sp-ink);padding:8px 10px}.console-grid{display:grid;grid-template-columns:1fr 1.15fr}.tank-area{position:relative;min-height:500px;display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(var(--sp-line) 1px,transparent 1px),linear-gradient(90deg,var(--sp-line) 1px,transparent 1px);background-size:36px 36px;border-right:1px solid var(--sp-line);padding:56px 30px 36px}.sensor{position:relative;z-index:2;width:96px;height:24px;border:3px solid var(--sp-blue);border-radius:50%;background:#fff;box-shadow:0 9px 0 var(--sp-blue);text-align:center;color:var(--sp-blue);font-size:10px;font-style:italic;font-weight:900;line-height:19px}.signal{height:30px;border-left:2px dashed var(--sp-blue)}.tank{position:relative;width:230px;height:290px;border:3px solid var(--sp-ink);border-top-width:8px;border-radius:8px 8px 36px 36px;overflow:hidden;background:#fff;box-shadow:10px 12px 0 #171c2912}.salt-fill{position:absolute;bottom:0;width:100%;height:46%;background:var(--sp-blue);transition:height .3s ease}.tank-rules{position:absolute;inset:22px 0 24px;left:auto;width:25px;background:repeating-linear-gradient(transparent 0,transparent 46px,#171c2977 46px,#171c2977 48px)}.tank-caption{position:absolute;left:20px;top:18px;font-size:10px;letter-spacing:.18em;color:var(--sp-muted);font-weight:700}.tank-base{width:160px;height:8px;background:var(--sp-ink);border-radius:0 0 4px 4px}.reading-area{padding:36px 40px;background:#fff}.reading-area>.eyebrow{font-size:11px;margin-bottom:12px}.level-number{font-size:112px;font-weight:850;line-height:1;letter-spacing:-.065em;color:var(--sp-blue);font-variant-numeric:tabular-nums}.level-number>span:last-child{font-size:45px;vertical-align:top;display:inline-block;margin:12px 0 0 8px}.reading-status{min-height:100px;margin-top:20px}.reading-status h3{font-size:24px;letter-spacing:-.04em;margin-bottom:8px}.reading-status p{font-size:14px;max-width:380px;margin-top:0}.reading-details{display:flex;gap:35px;padding:18px 0;margin:0 0 22px;border-top:1px solid var(--sp-line);border-bottom:1px solid var(--sp-line);font-size:12px}.reading-details dt{margin-bottom:5px}.reading-details dd{margin:0;font-weight:700}.demo-controls label{display:flex;justify-content:space-between;gap:10px;font-size:13px;font-weight:700;color:var(--sp-ink)}.demo-controls label span{font-weight:400;color:var(--sp-muted)}#salt-level{width:100%;padding:0;min-height:30px;margin:12px 0 0;cursor:pointer;accent-color:var(--sp-blue)}.range-labels{display:flex;justify-content:space-between;font-size:11px;color:var(--sp-muted)}.presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.presets button{background:#fff;color:var(--sp-blue);border:1px solid var(--sp-line);padding:9px 12px;font-size:12px;cursor:pointer}.presets button:hover,.presets button[aria-pressed=true]{background:var(--sp-blue);color:#fff;border-color:var(--sp-blue)}.console-note{padding:18px 30px;margin:0;font-size:12px;border-top:1px solid var(--sp-line)}.demo-next{display:flex;justify-content:space-between;align-items:center;gap:32px;padding:64px 0 76px}.demo-next h2{font-size:40px;margin-bottom:16px}.demo-next .eyebrow{margin-bottom:12px}.demo-next p{font-size:14px}.demo-next-actions{display:flex;flex-direction:column;align-items:flex-start;gap:20px}@media(max-width:800px){.demo-intro{grid-template-columns:1fr;gap:20px;padding:42px 0 30px}.demo-explainer>p:first-child{font-size:20px}.console-grid{grid-template-columns:1fr}.tank-area{min-height:280px;padding:26px;border-right:0;border-bottom:1px solid var(--sp-line)}.tank{width:160px;height:170px}.sensor{width:80px;height:20px;font-size:8px;line-height:15px}.signal{height:22px}.tank-base{width:110px}.console-heading{padding:22px;flex-wrap:wrap}.console-heading h2{font-size:23px}.reading-area{padding:26px 22px}.level-number{font-size:94px}.demo-next{align-items:flex-start;flex-direction:column;padding:44px 0}.demo-next h2{font-size:36px}.console-note{padding:18px 22px}}@media(prefers-reduced-motion:reduce){.salt-fill{transition:none}}

/* Approved launch puck: cobalt shell with white embedded wordmark. */
.sp-demo .sensor{background:var(--sp-blue);color:#fff}.sp-demo .sensor span{color:#fff;font-weight:900;line-height:.82;display:inline-block;vertical-align:middle;font-size:7px;letter-spacing:-.2px}