:root {
    --primary-color: #2563eb;
    --text-color: #ffffff;
}

body {
    font-family: system-ui, -apple-system, sans-serif;
    margin: 0;
    padding: 0;
    color: var(--text-color);
    line-height: 1.6;
    background-color: #000000;
}

.header-banner {
    width: 100%;
    height: 400px;
    background-image: url('images/blurred-koala.jpg');
    background-size: cover;
    background-position: center;
    position: relative;
    cursor: pointer;
    transition: background-image 0.3s ease;
}

.header-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 2rem;
}

.top-text {
    text-align: center;
}

.bottom-text {
    align-self: flex-start;
}

.main-title {
    font-size: 2.25rem;
    font-weight: 200;
    margin: 0;
    color: white;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.sub-title {
    font-size: 26px;
    font-weight: 200;
    margin: 0;
    color: white;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
    font-family: "Roboto", sans-serif;
    letter-spacing: 18px;
    text-transform: uppercase;
}

.tagline {
    font-size: 13px;
    font-weight: 200;
    margin-top: 0.5rem;
    color: white;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
    font-family: "Roboto", sans-serif;
}

.two-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.section-alt {
    background-color: #111111;
}

.welcome-column, 
.about-column,
.contact-column {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    text-align: center;
}

.welcome-header 
/* .contact-header */ {
    font-size: 4rem;
    font-weight: 200;
    color: var(--text-color);
    margin-bottom: 1rem;
    margin-top: 0;
} 

.welcome-text, 
.about-text,
.contact-text {
    font-size: 1.2rem;
    font-weight: 500;
    color: #777; /* var(--text-color); */
}

.image-column img {
    width: 100%;
    height: 584px; 
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    cursor: pointer;
    transition: transform 0.3s ease;
}

.image-column img:hover {
    transform: scale(1.02);
}

.bottom-image-section {
    padding: 2rem 0 4rem 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.bottom-image-container {
    position: relative;
    width: 375px;
    height: 150px;
}

.bottom-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.5);
    cursor: pointer;
    transition: transform 0.3s ease;
}

.bottom-image-container img:hover {
    transform: scale(1.02);
}

.bottom-image-container .click-hint {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 0.875rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.bottom-image-container:hover .click-hint {
    opacity: 1;
}

/* With Hover */
.version-display-with-hover {
    margin: 1rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: right;
    display: inline-block;
    padding: 0.2rem;
    border: 2px solid transparent; 
    color: transparent; 
    border-radius: 4px;
    float: right;
    transition: all 0.5s ease
}

.version-display-with-hover:hover {
    color: #777; 
    border-color: #777; 
    ;
}
/* Without Hover */


.version-display-without-hover {
    margin: 1rem 2rem;
    font-size: 0.5rem;
    font-weight: 500;
    text-align: right;
    display: inline-block;
    padding: 0.2rem;
    border: 2px solid #777;
    color: #777;
    border-radius: 4px;
    float: right;
    transition: all 0.5s ease
}




@media (max-width: 768px) {
    .two-columns {
        grid-template-columns: 1fr;
    }
    
    .image-column {
        margin-top: 2rem;
    }

    .section-alt .two-columns {
        display: flex;
        flex-direction: column-reverse;
    }

    .bottom-image-container {
        width: calc(100% - 2rem);
        margin: 0 1rem;
    }
}