:root {
    --bg-color: #064db7;
    --text-color: #ffffff;
    --overlay-color: rgba(0, 0, 0, 0.4);
    --button-border: #ffffff;
    --button-hover-bg: #ffffff;
    --button-hover-text: #064db7;
}

.background-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.background-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/shell_bg4.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 0;
    filter: brightness(1.5); /* Increased from 1.3 to 1.5 for more brightness */
}

.background-overlay {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    background: var(--overlay-color);
    z-index: 1;
}

.main-wrapper {
    position: relative;
    width: 100%;
    height: calc(100vh - 112px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 2;
}

.heading-section {
    text-align: center;
    color: var(--text-color);
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.7);
    z-index: 2;
}

.heading-section h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 30px;
}

.heading-section .tagline-top {
    font-size: 1.1rem;
    font-weight: 400;
    opacity: 0.9;
    margin-top: 10px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .heading-section h1 {
        font-size: 2.2rem;
        margin-bottom: 20px;
    }

    .heading-section .tagline-top {
        font-size: 1rem;
    }

    .main-wrapper {
        padding: 0 20px;
    }
}

@media (max-width: 480px) {
    .heading-section h1 {
        font-size: 1.8rem;
        margin-bottom: 15px;
    }

    .heading-section .tagline-top {
        font-size: 0.9rem;
    }
}