/* interferometric.html - page rules (original order preserved) */
:root{ --bg:#ffffff; --soft:#f6f7fb; --ink:#15162b; --muted:#666c80; --faint:#8b90a3; --indigo:#403aa6; --indigo-deep:#2a2570; --line:#e8e9f1; --card:#ffffff; --spectrum:linear-gradient(90deg,#7b2ff7,#4361ee,#22c55e,#eab308,#f97316,#ef4444); }
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
.wrap{max-width:1120px;margin:0 auto;padding:0 28px}
.hero{position:relative;overflow:hidden;background:var(--soft);border-bottom:1px solid var(--line)}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 120% at 82% 12%,rgba(64,58,166,.14),transparent 60%),radial-gradient(50% 120% at 12% 90%,rgba(34,197,94,.12),transparent 60%);}
.hero .wrap{position:relative;padding:74px 28px 60px}
section{padding:62px 0}
.sec-head{margin-bottom:30px}
.sec-head h2{font-size:29px;font-weight:800;letter-spacing:-.02em;margin:14px 0 8px}
@media(max-width:760px){.figrow{grid-template-columns:1fr}.hero h1{font-size:34px}}
figure{margin:0;background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:0 1px 2px rgba(20,20,50,.04),0 8px 24px rgba(20,20,50,.05)}
figcaption .tag{display:inline-block;font-weight:700;color:var(--ink);font-size:12px;letter-spacing:.04em;text-transform:uppercase;margin-bottom:5px}
.apps{display:grid;grid-template-columns:1fr;gap:26px}
.imgduo{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--line)}
.imgduo.bfly{grid-template-columns:1.55fr 1fr}
.imgduo .cell{background:#fbfbfd;display:flex;align-items:center;justify-content:center}
.imgduo .cell img{display:block;width:100%;height:auto}
.imgbox.narrow img{width:auto;max-width:100%;max-height:560px}
@media(max-width:760px){.imgduo,.imgduo.bfly{grid-template-columns:1fr}}
footer{border-top:1px solid var(--line);padding:34px 0;color:var(--faint);font-size:13px}
.sitenav .lx a:hover{color:var(--indigo)}
body{position:relative;overflow-x:clip}
.pagebg img{position:absolute;opacity:.34}
.hero{isolation:isolate}
.hero .wrap{z-index:1}