/* ============================================
   Onera Technical Architecture Section (Tech)
=============================================== */
#technical-architecture {
    margin-top: 50px;
}

.tech-section {
    padding: 80px 0;
    background: #ffffff;
}

.tech-header {
    max-width: 850px;
    margin: 0 auto 50px auto;
}

.tech-title {
    font-size: 34px;
    font-weight: 700;
    color: #0B1F66; /* Navy Onera */
    margin-bottom: 20px;
}

.tech-subtitle {
    font-size: 18px;
    line-height: 1.6;
    color: #333;
}

.tech-block {
    margin-bottom: 70px;
}

.tech-block-title {
    font-size: 26px;
    font-weight: 600;
    color: #0B1F66;
    margin-bottom: 20px;
}

.tech-list {
    list-style: none;
    padding-left: 0;
}

.tech-list li {
    margin-bottom: 12px;
    font-size: 16px;
    color: #444;
    position: relative;
    padding-left: 20px;
}

.tech-list li::before {
    content: "•";
    color: #19E6D1;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
}

.tech-card {
    padding: 20px;
    border-radius: 12px;
    background: #F7F9FE;
    border: 1px solid #e4e7f0;
    transition: all 0.2s ease;
}

.tech-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
}

.tech-card h4 {
    color: #0B1F66;
    font-weight: 600;
    margin-bottom: 10px;
}

.tech-card p {
    font-size: 15px;
    line-height: 1.6;
    color: #444;
}

.tech-footer {
    margin-top: 50px;
    font-size: 18px;
    font-weight: 500;
    color: #0B1F66;
}

@media (max-width: 768px) {
    .tech-title { font-size: 28px; }
    .tech-block-title { font-size: 22px; }
    .tech-subtitle, .tech-card p { font-size: 15px; }
}