/* PNSS V157: first-party project evidence presentation */
.v157-proof{max-width:1180px;margin:1.5rem auto 2.5rem;padding:0 1.25rem}
.v157-proof__intro{max-width:900px;margin-bottom:1.2rem}
.v157-proof__eyebrow{margin:0 0 .4rem;color:#3156a0;font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.v157-proof h2{margin:.15rem 0 .65rem;font-size:clamp(1.55rem,2.5vw,2.25rem);line-height:1.15}
.v157-proof__lead{margin:0;color:#314565;line-height:1.7}
.v157-proof__note{margin:.75rem 0 0;padding:.75rem 1rem;border-left:3px solid #3156a0;background:#f6f8fc;color:#4b5f7d;font-size:.92rem;line-height:1.55}
.v157-proof-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:1rem;margin-top:1.25rem}
.v157-proof-card{grid-column:span 6;margin:0;border:1px solid rgba(25,59,130,.13);border-radius:16px;overflow:hidden;background:#fff;box-shadow:0 10px 28px rgba(14,32,72,.06)}
.v157-proof-card--wide{grid-column:span 12}
.v157-proof-card img{display:block;width:100%;height:clamp(230px,32vw,390px);object-fit:cover;background:#eef2f8}
.v157-proof-card--wide img{height:clamp(270px,40vw,500px)}
.v157-proof-card figcaption{padding:.85rem 1rem 1rem;color:#304668;line-height:1.55;font-size:.94rem}
.v157-proof-card strong{color:#183a73}
.v157-flip-proof{margin-top:1.2rem}
.v157-flip-proof .v157-proof-card img{height:clamp(210px,27vw,330px)}
@media(max-width:720px){.v157-proof-card,.v157-proof-card--wide{grid-column:span 12}.v157-proof-card img,.v157-proof-card--wide img{height:auto}.v157-proof{padding:0 1rem}}