```css
:root > * {
    --md-footer-bg-color: #14151a;
    --md-footer-bg-color--dark: #14151a;
}

.text-container {
    text-align: center;
    min-height: 60px;
    font-size: 36px;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

h1, .md-content__inner::before {
    display: none;
}

.md-content__inner, .md-main__inner {
    margin: 0;
    padding: 0;
}

.background {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow-x: hidden;
    overflow-y: hidden;
    position: relative;
    top: 0;
    left: 0;
    right: 0;
    width: 100vw;
    min-height: 75vh;
    margin: 0;
    padding-top: 12%;
    z-index: -1;
    align-items: center;
}

main {
    position: relative;
    align-items: center;
    display: flex;
    justify-content: center;
    flex-direction: column;
}

[data-md-color-scheme="slate"] .text-container {
    color: #9eee00;
    text-shadow: 0 0 5px rgba(0, 0, 0, 0.7), 0 0 10px rgba(0, 0, 0, 0.7), 0 0 15px rgba(0, 0, 0, 0.7);
}

[data-md-color-scheme="slate"] .background {
    background-image: 
        linear-gradient(to bottom, rgba(30, 33, 41, 0), rgba(30, 33, 41, 1)),
        url(../images/space.jpg);
}

[data-md-color-scheme="default"] .text-container {
    color: #4051b5;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.7), 0 0 10px rgba(255, 255, 255, 0.7), 0 0 15px rgba(255, 255, 255, 0.7);
}

[data-md-color-scheme="default"] .background {
    background-image: 
        linear-gradient(to bottom, rgba(255, 255, 255, 0), rgba(255, 255, 255, 1)),
        url(../images/sun.png);
}

.home-content {
    padding: 25px;
}

.md-header {
    background-color: rgba(255, 255, 255, 0);
}

@media (max-width: 600px) {
    .text-container {
        font-size: 24px;
    }
}

/* Additional fonts */
@import url('https://fonts.googleapis.com/css?family=Pixelify+Sans:300,300i,400,400i,700,700i|Roboto+Mono:400,400i,700,700i&display=fallback');

body, h1, h2, h3, h4, h5, h6, .md-nav__title, .md-footer__direction {
    font-family: 'Pixelify Sans', sans-serif !important;
}

code, kbd, pre, samp, .highlight, .md-typeset code, .md-typeset pre {
    font-family: 'Roboto Mono', monospace !important;
}

/* Grid layout for 3 cards per row */
.grid.cards {
    grid-template-columns: repeat(3, 1fr) !important;
    margin-bottom: 40px !important;
}

@media screen and (max-width: 768px) {
    .grid.cards {
        grid-template-columns: 1fr !important;
    }
}

@media screen and (min-width: 769px) and (max-width: 1024px) {
    .grid.cards {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

/* Move search bar to the right */
.md-header__option[data-md-component="search"] {
    margin-left: auto !important;
}

/* Make logo larger */
.md-header__button.md-logo img,
.md-header__button.md-logo svg {
    height: 48px !important;
    width: 48px !important;
}

.md-header__button.md-logo {
    padding: 8px !important;
}

/* Adjust header spacing to accommodate larger logo */
.md-header__inner {
    min-height: 64px !important;
}

/* Make top bar and footer the same dark color */
.md-header {
    background-color: #14151a !important;
    border-bottom: none !important;
}

.md-footer {
    background-color: #14151a !important;
}

/* Make middle part light gray */
.md-main {
    background-color: #f5f5f5 !important;
}

.md-content {
    background-color: #f5f5f5 !important;
}

/* Adjust text colors for light gray background */
.md-typeset {
    color: #333333 !important;
}

.md-typeset h1,
.md-typeset h2,
.md-typeset h3,
.md-typeset h4,
.md-typeset h5,
.md-typeset h6 {
    color: #2c2525 !important;
}

.md-typeset a {
    color: #4051b5 !important;
}

.md-typeset a:hover {
    color: #5c6bc0 !important;
}

.md-typeset code {
    background-color: #e0e0e0 !important;
    color: #d33682 !important;
}

.md-typeset pre {
    background-color: #e0e0e0 !important;
    border: 1px solid #d0d0d0 !important;
}

/* Navigation colors */
.md-nav {
    color: #333333 !important;
}

.md-nav__link {
    color: #333333 !important;
}

.md-nav__link:hover {
    color: #4051b5 !important;
}

/* Search bar styling for dark header */
.md-search__input {
    background-color: #2a2a2a !important;
    color: #ffffff !important;
    border: 1px solid #404040 !important;
}

.md-search__icon {
    color: #ffffff !important;
}