:root {
    --primary-color: #025e5c;
    --primary-hover: #014342;
    --text-light: #ffffff;
    --text-muted: #b3d1d0;
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: #f8f9fa;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header Styles chuyên biệt cho cổng Tra cứu */
.navbar-brand img {
    max-height: 75px;
}

/* Search Section */
.search-banner {
    background-color: var(--primary-color);
    color: var(--text-light);
    padding: 60px 0;
    border-radius: 12px;
    margin-top: 20px;
    box-shadow: 0 4px 20px rgba(2, 94, 92, 0.15);
}

.search-box .form-control {
    border-radius: 6px 0 0 6px;
    border: 2px solid #ffffff;
    padding: 14px 20px;
    font-size: 1.05rem;
}

    .search-box .form-control:focus {
        box-shadow: none;
        border-color: #ffffff;
    }

.search-box .btn-search {
    background-color: #ffffff;
    color: var(--primary-color);
    border: 2px solid #ffffff;
    border-radius: 0 6px 6px 0;
    font-weight: bold;
    padding: 14px 30px;
    font-size: 1.05rem;
    transition: all 0.3s ease;
}

    .search-box .btn-search:hover {
        background-color: rgba(255, 255, 255, 0.9);
        color: var(--primary-hover);
    }

/* Feature Cards */
.feature-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 30px 20px;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    height: 100%;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

    .feature-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 25px rgba(2, 94, 92, 0.1);
        border-color: var(--primary-color);
    }

    .feature-card i {
        font-size: 2.8rem;
        color: var(--primary-color);
        margin-bottom: 18px;
    }

    .feature-card h5 {
        color: #2d3748;
        font-weight: 600;
        font-size: 1.1rem;
        margin-bottom: 0;
    }

/* Footer Styles tối giản, cân đối trung tâm */
footer {
    background-color: var(--primary-color);
    color: var(--text-light);
    margin-top: auto;
    font-size: 0.95rem;
    border-top: 4px solid var(--primary-hover);
}

.footer-top {
    padding: 45px 0;
}

.footer-logo {
    max-height: 70px;
}

.footer-info-block {
    border-left: 1px solid rgba(255, 255, 255, 0.2);
    padding-left: 35px;
}

@media (max-width: 767.98px) {
    .footer-info-block {
        border-left: none;
        padding-left: 0;
        margin-top: 25px;
        padding-top: 25px;
        border-top: 1px solid rgba(255, 255, 255, 0.2);
    }
}

.social-icons a {
    display: inline-block;
    width: 38px;
    height: 38px;
    background-color: rgba(255,255,255,0.1);
    border-radius: 50%;
    text-align: center;
    line-height: 38px;
    margin-right: 12px;
    color: var(--text-light);
    transition: all 0.2s ease;
}

    .social-icons a:hover {
        background-color: #ffffff;
        color: var(--primary-color);
        transform: scale(1.05);
    }

.footer-bottom {
    background-color: var(--primary-hover);
    padding: 16px 0;
    font-size: 0.85rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}