/* ══════════════════════════════════
   MARQUEE BARS (REFERENCES & TECH)
══════════════════════════════════ */
.marquee-section {
    padding: 3.5rem 0;
    background: #FFFFFF;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.marquee-section-alt {
    background: #F8FAFC;
    border-top: none;
}
.marquee-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 2rem;
    text-align: center;
}
.marquee-wrapper {
    width: 100%;
    overflow: hidden;
    position: relative;
    /* Fading edges */
    -webkit-mask-image: linear-gradient(to right, rgba(0,0,0,0) 0%, rgba(0,0,0,1) 15%, rgba(0,0,0,1) 85%, rgba(0,0,0,0) 100%);
    mask-image: linear-gradient(to right, rgba(0,0,0,0) 0%, rgba(0,0,0,1) 15%, rgba(0,0,0,1) 85%, rgba(0,0,0,0) 100%);
}
.marquee-track {
    display: flex;
    width: max-content;
    animation: scrollMarquee 40s linear infinite;
}
.marquee-track:hover {
    animation-play-state: paused;
}
.marquee-group {
    display: flex;
    align-items: center;
    justify-content: space-around;
    min-width: 100vw;
    gap: 4rem;
    padding-right: 4rem;
}
.ref-item {
    font-size: 1.6rem;
    font-weight: 900;
    color: #cbd5e1; /* slate-300 */
    letter-spacing: -0.03em;
    text-transform: uppercase;
    white-space: nowrap;
    transition: color 0.3s ease;
}
.ref-item:hover { color: var(--brand-navy); }

.tech-item {
    font-size: 1.2rem;
    font-weight: 700;
    color: #94a3b8; /* slate-400 */
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}
.tech-item i { font-size: 2rem; }
.tech-item:hover { color: var(--brand-teal); transform: translateY(-2px); }

@keyframes scrollMarquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); } 
}

/* ══════════════════════════════════
   INDUSTRIES SERVED
══════════════════════════════════ */
.sectors-section {
    padding: 8rem 0;
    background: #FFFFFF;
}
.sectors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}
.sector-card {
    background: #F8FAFC;
    border: 1px solid var(--border-light);
    border-radius: var(--r-md);
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.3s ease;
}
.sector-card:hover {
    background: #FFFFFF;
    box-shadow: var(--shadow-md);
    border-color: var(--brand-teal);
    transform: translateY(-5px);
}
.sector-icon {
    font-size: 2.5rem;
    color: var(--brand-navy);
    margin-bottom: 1.5rem;
    opacity: 0.9;
}
.sector-card h3 {
    font-size: 1.15rem;
    color: var(--text-main);
    font-weight: 700;
    margin-bottom: 0.75rem;
}
.sector-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

@media (max-width: 1024px) {
    .sectors-grid { grid-template-columns: repeat(2, 1fr); }
    .marquee-label { font-size: 0.75rem; }
    .ref-item { font-size: 1.2rem; }
}
@media (max-width: 600px) {
    .sectors-grid { grid-template-columns: 1fr; }
}

.ref-logo {
    height: 70px;
    width: auto;
    max-width: 250px;
    object-fit: contain;
    mix-blend-mode: multiply;
    filter: grayscale(100%) contrast(1.2) brightness(1.1) opacity(0.7);
    transition: all 0.3s ease;
}
.ref-logo:hover {
    filter: grayscale(0%) contrast(1.1) brightness(1) opacity(1);
    transform: scale(1.05);
}