:root {
    --md-primary-fg-color:        #EE0F0F;
    --md-primary-fg-color--light: #ECB7B7;
    --md-primary-fg-color--dark:  #90030C;
}

[data-md-color-scheme="slate"] {
    --md-hue: 210; 
}

/* Ensure navigation tabs are above splash content */
.md-tabs {
    position: relative;
    z-index: 3;
}

.md-version * {
    position: relative;
    z-index: 5;
}

/* Splash container and background */
.splash-container {
    position: relative;
    width: 100%;
    height: calc(100vh - 98px); /* Subtract header height to prevent overlap */
    min-height: 600px;
    overflow: hidden;
    margin-top: 0; /* Remove negative margin */
    padding-top: 1rem; /* Add some padding from the navigation */
}

.splash-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.media-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5); /* Darkens the background media */
    z-index: 2;
}

.media-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.splash-media {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Hero section */
.mdx-container {
    padding: 1rem;
    margin: 0 auto;
}

.mdx-hero {
    position: relative;
    z-index: 3;
    margin: 0;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    padding-top: 7rem; /* Add padding to push content down */
}

.mdx-hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.15;
    color: #ffffff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.mdx-hero p {
    font-size: 1.4rem;
    font-weight: 300;
    margin-bottom: 2rem;
    color: #ffffff;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    max-width: 35rem;
    margin-left: auto;
    margin-right: auto;
}

.mdx-hero .md-button {
    background-color: #ffffffAA;
    margin: 0.5rem;
    font-size: 1rem;
    padding: 0.625em 2em;
}

.mdx-hero .md-button--primary {
    background-color: var(--md-primary-fg-color);
    border-color: var(--md-primary-fg-color);
    color: var(--md-primary-bg-color);
}

/* What is section */
.what-is-section {
    margin: 4rem 0;
}

.what-is-section h2 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--md-default-fg-color);
}

.what-is-section p {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
}

.feature-list li {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
}

.feature-list li strong {
    color: var(--md-primary-fg-color);
}

/* Feature grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); /* Increased minimum width */
    gap: 2rem;
    margin: 2rem 0 4rem;
}

.feature-card {
    background-color: var(--md-default-bg-color);
    border: 1px solid var(--md-default-fg-color--lightest);
    border-radius: 8px;
    padding: 2rem;
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 1rem 0;
    color: var(--md-primary-fg-color);
    white-space: nowrap; /* Prevent text wrapping */
}

.feature-card p {
    font-size: 1rem;
    line-height: 1.5;
    color: var(--md-default-fg-color--light);
}

/* Architecture section */
.architecture-section {
    margin: 4rem 0;
    text-align: center;
}

.architecture-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.image-caption {
    font-size: 1rem;
    color: var(--md-default-fg-color--light);
}

/* Responsive adjustments */
@media screen and (max-width: 76.1875em) {
    .mdx-hero h1 {
        font-size: 2.5rem;
    }
    
    .mdx-hero p {
        font-size: 1.2rem;
    }

    .what-is-section h2 {
        font-size: 2rem;
    }

    .feature-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media screen and (max-width: 600px) {
    .mdx-hero h1 {
        font-size: 2rem;
    }
    
    .mdx-hero p {
        font-size: 1.1rem;
    }

    .what-is-section h2 {
        font-size: 1.75rem;
    }
}