/* Concept 2 — Clinical Studio: bright, photographic, quiet. */
body.theme-light {
    --bg-a: #f4f7f9; --bg-b: #d9f1ee;
    --ink: #0b1b33; --ink-2: #384a66; --muted: #6a7b95;
    --line: rgba(11, 27, 51, .14); --line-2: rgba(11, 27, 51, .08);
    --teal: #12b3a6; --teal-2: #0a8f86;
    --glass: rgba(255, 255, 255, .72); --glass-2: rgba(11, 27, 51, .04);
    --shadow: 0 30px 80px rgba(20, 50, 90, .14);
    --on-teal: #02302d;
}
html { background: #f4f7f9; }
body.theme-light { background: linear-gradient(180deg, var(--bg-b) 0%, var(--bg-a) 55%, var(--bg-a) 100%); background-attachment: fixed; color: var(--ink); }
.theme-light .grain { mix-blend-mode: multiply; opacity: .035; }
.theme-light .loader { background: var(--bg-a); }
.theme-light .hdr.is-stuck { background: rgba(244, 247, 249, .78); box-shadow: 0 1px 0 var(--line-2); }
.theme-light .hdr__nav { color: var(--ink-2); } .theme-light .hdr__nav a:not(.btn):hover, .theme-light .hdr__nav a.is-active { color: var(--ink); }
.theme-light .brand__t { color: var(--ink); } .theme-light .brand__t small { color: var(--teal-2); }
.theme-light .burger i { background: var(--ink); } .theme-light .burger { background: var(--glass); }
.theme-light .hdr__nav { }
@media (max-width: 960px) { .theme-light .hdr__nav { background: rgba(244, 247, 249, .97); } }
.theme-light .display { font-weight: 500; letter-spacing: -.045em; color: var(--ink); }
.theme-light .display em, .theme-light .em { background: linear-gradient(100deg, #0a8f86, #1b7fc4); -webkit-background-clip: text; background-clip: text; }
.theme-light .lead { color: var(--ink-2); }
.theme-light .btn--ghost { color: var(--ink); background: rgba(255, 255, 255, .6); }
.theme-light .btn { box-shadow: 0 10px 30px rgba(18, 179, 166, .25); }
.theme-light .sc--left::before { background: linear-gradient(90deg, color-mix(in srgb, var(--bg-a) 88%, transparent) 0%, color-mix(in srgb, var(--bg-a) 55%, transparent) 36%, transparent 60%); }
.theme-light .sc--cta::before { background: none; }
.theme-light .cue { color: var(--muted); }
.theme-light .tag { background: rgba(18, 179, 166, .14); color: var(--teal-2); }
.theme-light .chapters i { border-color: var(--ink-2); }
.theme-light .ftr { background: linear-gradient(180deg, transparent, #e4edf1 30%); border-color: var(--line); }
.theme-light .ftr__cols a, .theme-light .ftr__cols address { color: var(--ink-2); } .theme-light .ftr__cols a:hover { color: var(--ink); }
.theme-light .ftr__legal, .theme-light .ftr__bar { color: var(--muted); } .theme-light .ftr__legal strong { color: var(--ink); }

/* product picker */

/* call-outs anchored to the 3D label */
.callouts { position: fixed; inset: 0; pointer-events: none; z-index: 30; }
.callout { position: absolute; left: 0; top: 0; display: flex; align-items: center; gap: 0; opacity: 0; transition: opacity .5s; will-change: transform; }
.callout.on { opacity: 1; }
.callout__dot { width: 12px; height: 12px; border-radius: 50%; background: #fff; border: 2px solid var(--teal); box-shadow: 0 0 0 6px rgba(18, 179, 166, .2); flex: none; }
.callout__line { height: 1px; width: var(--len, 80px); background: linear-gradient(90deg, var(--teal), color-mix(in srgb, var(--teal) 30%, transparent)); transform-origin: left center; transform: rotate(var(--ang, 0deg)); position: absolute; left: 6px; top: 6px; }
.callout__box { position: absolute; padding: 8px 14px; border-radius: 12px; background: rgba(255, 255, 255, .92); border: 1px solid var(--line); box-shadow: var(--shadow); font-size: .8rem; font-weight: 600; color: var(--ink); white-space: nowrap; backdrop-filter: blur(8px); }
.callout__box small { display: block; font-weight: 500; font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; color: var(--teal-2); }

 
 

@media (max-width: 900px) { .callouts { display: none; }    .theme-light .sc .sc__in { background: rgba(255, 255, 255, .8); }  }