.pt-references { background: #222; }
.pt-references-heading { display:flex; align-items:end; justify-content:space-between; gap:24px; margin-bottom:40px; }
.pt-references-heading .section-title { color:#fff; margin-bottom:0; }
.pt-references-heading .section-subtitle { color:#c19b76; }
.pt-references-all { color:#e2c6a5; padding:10px 0; white-space:nowrap; border-bottom:1px solid #aa8453; }
.pt-references-all:hover { color:#fff; }
.pt-references-all i { margin-left:12px; font-size:12px; }

/* Grid for References Archive Page (references.php) */
.pt-reference-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:52px 30px; }
.pt-reference-grid .pt-reference-card { min-width:0; scroll-margin-top:120px; }
.pt-reference-grid .pt-reference-link { display:block; }
.pt-reference-grid .pt-reference-logo { width:100%; aspect-ratio:1; padding:42px 38px 82px; display:flex; align-items:center; justify-content:center; background:#fff; overflow:hidden; }
.pt-reference-grid .pt-reference-logo img { width:100% !important; height:100% !important; max-width:100%; max-height:100%; object-fit:scale-down; filter:grayscale(1); opacity:.8; transform:scale(.7); transition:transform .3s; }
.pt-reference-grid .pt-reference-card:hover .pt-reference-logo img { transform:scale(.73); }
.pt-reference-grid .pt-reference-wordmark { color:#666; font-family:'Barlow',sans-serif; font-size:clamp(18px,2.1vw,26px); font-weight:600; line-height:1.3; text-align:center; overflow-wrap:anywhere; }
.pt-reference-grid .pt-reference-caption { position:relative; z-index:1; margin:-48px 20px 0; padding:25px 22px; min-height:126px; background:#f8f5f0; }
.pt-reference-grid .pt-reference-sector { font-family:'Barlow Condensed',sans-serif; color:#8a745a; font-size:12px; line-height:1.4; letter-spacing:2px; text-transform:uppercase; margin:0 0 10px; }
.pt-reference-grid .pt-reference-name { font-family:'Gilda Display',serif; font-size:25px; font-weight:400; line-height:1.3; color:#222; margin:0; overflow-wrap:anywhere; }

/* Modern Sleek Carousel on Homepage (index.php) */
.pt-references-home { padding: 90px 0; }
.pt-ref-carousel:not(.owl-loaded) { display: flex; overflow: hidden; gap: 20px; }
.pt-ref-carousel:not(.owl-loaded) .pt-reference-card { flex: 0 0 calc(20% - 16px); }

.pt-references-home .pt-reference-card {
    background: #fff;
    border-radius: 8px;
    padding: 24px 16px 18px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(255,255,255,0.06);
    box-shadow: 0 4px 15px rgba(0,0,0,0.18);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}
.pt-references-home .pt-reference-link {
    display: flex;
    flex-direction: column;
    height: 100%;
    color: inherit;
    text-decoration: none;
}
.pt-references-home .pt-reference-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.3);
}
.pt-references-home .pt-reference-logo {
    width: 100%;
    height: 65px;
    aspect-ratio: auto;
    padding: 0;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
}
.pt-references-home .pt-reference-logo img {
    max-height: 50px;
    max-width: 85%;
    width: auto !important;
    height: auto !important;
    object-fit: contain;
    filter: grayscale(1);
    opacity: 0.82;
    transition: all 0.3s ease;
}
.pt-references-home .pt-reference-card:hover .pt-reference-logo img {
    filter: grayscale(0);
    opacity: 1;
    transform: scale(1.05);
}
.pt-references-home .pt-reference-wordmark {
    color: #444;
    font-family: 'Barlow', sans-serif;
    font-size: 17px;
    font-weight: 600;
}
.pt-references-home .pt-reference-caption {
    position: static;
    margin: 0;
    padding: 10px 0 0;
    min-height: auto;
    background: transparent;
    border-top: 1px solid #f0ede8;
}
.pt-references-home .pt-reference-sector {
    font-family: 'Barlow Condensed', sans-serif;
    color: #aa8453;
    font-size: 11px;
    line-height: 1.3;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin: 0 0 3px;
}
.pt-references-home .pt-reference-name {
    font-family: 'Barlow', sans-serif;
    font-size: 15px;
    font-weight: 500;
    line-height: 1.3;
    color: #222;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pt-reference-controls { display:flex; justify-content:center; align-items:center; gap:14px; margin-top:30px; }
.pt-reference-controls[hidden] { display:none; }
.pt-reference-controls button { min-height:44px; padding:10px 15px; border:1px solid #665541; background:transparent; color:#e2c6a5; font:inherit; cursor:pointer; }
.pt-reference-controls button:hover { background:#aa8453; color:#fff; }
.pt-references :is(a,button):focus-visible { outline:2px solid #c19b76; outline-offset:5px; }

@media (max-width:991.98px) {
    .pt-reference-grid { grid-template-columns:repeat(2,minmax(0,1fr)); gap:36px 24px; }
    .pt-reference-grid .pt-reference-caption { margin-inline:14px; padding:22px 20px; }
    .pt-reference-grid .pt-reference-name { font-size:23px; }
    .pt-ref-carousel:not(.owl-loaded) .pt-reference-card { flex: 0 0 calc(33.333% - 14px); }
}
@media (max-width:575.98px) {
    .pt-references-heading { align-items:start; flex-direction:column; gap:16px; }
    .pt-reference-grid { grid-template-columns:minmax(0,1fr); }
    .pt-reference-grid .pt-reference-logo { padding:38px 34px 78px; }
    .pt-reference-grid .pt-reference-caption { min-height:0; }
    .pt-ref-carousel:not(.owl-loaded) .pt-reference-card { flex: 0 0 calc(50% - 10px); }
}
@media (prefers-reduced-motion:reduce) { .pt-reference-logo img { transition:none; } }