/* ========================================= */
/* CSS DÙNG CHUNG CHO TOÀN SITE (Từ _Layout) */
/* ========================================= */
:root {
    --primary-color: #ff6a00; /* Cam Azota */
}

a {
    text-decoration: none;
}

/* Navbar đẹp */
.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
    color: var(--primary-color) !important;
}

.nav-link {
    font-weight: 500;
    color: #333;
}

    .nav-link:hover {
        color: var(--primary-color);
    }

.btn-outline-primary-custom {
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

    .btn-outline-primary-custom:hover {
        background-color: var(--primary-color);
        color: white;
    }

/* Dropdown menu đẹp hơn */
.dropdown-item:active {
    background-color: var(--primary-color);
}

/* ========================================= */
/* CSS DÀNH RIÊNG CHO TRANG INDEX/HOME */
/* ========================================= */
.hero-section {
    background-color: #f8f9fa;
    padding: 100px 0 80px 0; /* Tăng padding top chút cho thoáng */
}

.upload-box {
    background: white;
    border: 2px dashed #ff6a00;
    border-radius: 15px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

    .upload-box:hover {
        background-color: #fff8f5;
        transform: translateY(-5px);
        box-shadow: 0 15px 30px rgba(255, 106, 0, 0.15);
    }

.btn-orange {
    background-color: #ff6a00;
    color: white;
    font-weight: bold;
    border: none;
}

    .btn-orange:hover {
        background-color: #e65c00;
        color: white;
    }

.feature-icon {
    font-size: 2.5rem;
    color: #ff6a00;
    margin-bottom: 1.5rem;
    background: #fff3e6;
    width: 80px;
    height: 80px;
    line-height: 80px;
    border-radius: 50%;
    display: inline-block;
}