.hero-section {
    min-height: 80vh;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.92), rgba(30, 58, 138, 0.88));
}

.hero-section h1 {
    font-size: 3.2rem;
    color: #ffffff !important;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.7);
}

.hero-section p {
    max-width: 820px;
    margin: auto;
    color: #f8fafc !important;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.8);
}

.card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.sidebar {
    background-color: #1f2937;   /* Dark executive navy */
    min-height: 100vh;
}

.sidebar .nav-link {
    color: #d1d5db;
}

.sidebar .nav-link:hover {
    background-color: #374151;
    color: #ffffff;
}

.sidebar small {
    color: #9ca3af !important;
}

/* Brand Logo Constraints */
.navbar-brand img,
.tc-brand-logo {
    max-height: 38px !important;
    height: 38px !important;
    width: auto !important;
    object-fit: contain;
}

.tc-brand-logo-public {
    max-height: 42px !important;
    height: 42px !important;
    width: auto !important;
    object-fit: contain;
}

.tc-login-logo {
    max-height: 60px !important;
    height: 60px !important;
    width: auto !important;
    object-fit: contain;
}