/* Root Styles */
:root {
    --background-color: #171b26;
    --text-color: #ffffff;
    --banner-background-color: #333333;
    --banner-text-color: #ffffff;
    --border-color: #444444;
    --button-background-color: #4A76A8;
    --button-text-color: #ffffff;
    --button-hover-background-color: #5A8AC8;
    --button-focus-border-color: #3E68FF;
}

/* Base Layout */
html, body {
    margin: 0;
    padding: 0;
    font-family: "Open Sans", "HelveticaNeue", "Helvetica Neue", Helvetica, Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Top Banner */
#top-banner {
    background-color: var(--banner-background-color);
    color: var(--banner-text-color);
    padding: 10px 20px;
    display: flex;
    align-items: center;
}

#logo {
    width: 5%;
}

#top-banner-title {
    font-size: 2em;
    padding-left: 10px;
}

/* Main Container */
#main-container {
    flex: 1;
    padding: 20px;
}

/* Section Headers */
h1, h2 {
    color: var(--text-color);
}

/* Button Styles */
button {
    background-color: var(--button-background-color);
    color: var(--button-text-color);
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 220ms ease-in-out;
}

button:hover {
    background-color: var(--button-hover-background-color);
}

button:focus {
    box-shadow: 0 0 0 4px var(--button-focus-border-color);
}

/* Video */
video {
    max-width: 100%;
    border-radius: 5px;
    margin-top: 20px;
}

/* List Styles */
ul {
    list-style-type: disc;
    margin-left: 20px;
}

/* Pre-formatted Text */
pre {
    background-color: #333;
    color: #fff;
    padding: 10px;
    border-radius: 5px;
    overflow: auto;
}

/* Badge Styles */
.badges img {
    margin: 0 5px;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    #top-banner-title {
        font-size: 1.5em;
    }
}

.cta-button {
    background-color: var(--button-background-color);
    color: var(--button-text-color);
    padding: 15px 30px;
    font-size: 1.2em;
    text-decoration: none;
    border-radius: 8px;
    margin: 10px;
    display: inline-block;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: var(--button-hover-background-color);
}

/* Navigation Styles */
#navbar {
    display: flex;
    gap: 1rem;
    margin-left: auto;
    flex-wrap: wrap;
}

#navbar a {
    text-decoration: none;
    color: var(--banner-text-color);
    padding: 10px;
    transition: color 0.3s;
}

#navbar a:hover {
    color: var(--button-hover-background-color);
}

/* Key Features Section */
.feature-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    padding: 2rem 0;
    color: black;
}

.light-bg {
    background-color: #f9f9f9;
}

.dark-bg {
    background-color: #333333;
    color: #ffffff;
}

.feature-image, .feature-text {
    flex: 1 1 50%;
    padding: 1rem;
}

.feature-text h3 {
    margin-top: 0;
}

.feature-image img {
    width: 100%;
    border-radius: 5px;
    margin-left: 20%;
    margin-right: 20%;
}

/* CTA Button Styles */
.cta-button {
    background-color: var(--button-background-color);
    color: var(--button-text-color);
    padding: 15px 30px;
    font-size: 1.2em;
    text-decoration: none;
    border-radius: 8px;
    margin: 10px;
    display: inline-block;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: var(--button-hover-background-color);
}

/* Navbar Styles */
#navbar {
    display: flex;
    gap: 1rem;
    margin-left: auto;
    flex-wrap: wrap;
}

#navbar a {
    text-decoration: none;
    color: var(--banner-text-color);
    padding: 10px;
    transition: color 0.3s;
}

#navbar a:hover {
    color: var(--button-hover-background-color);
}


/* Footer */
footer {
    background-color: var(--banner-background-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
}

.footer-icons img {
    margin-right: 10px;
    vertical-align: middle;
}

.footer-icons a:hover img {
    filter: brightness(1.2);
}

/* CTA Button Styles */
.cta-button {
    background-color: var(--button-background-color);
    color: var(--button-text-color);
    padding: 15px 30px;
    font-size: 1.2em;
    text-decoration: none;
    border-radius: 8px;
    margin: 10px;
    display: inline-block;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: var(--button-hover-background-color);
}

/* Navbar Styles */
#navbar {
    display: flex;
    gap: 1rem;
    margin-left: auto;
    flex-wrap: wrap;
}

#navbar a {
    text-decoration: none;
    color: var(--banner-text-color);
    padding: 10px;
    transition: color 0.3s;
}

#navbar a:hover {
    color: var(--button-hover-background-color);
}

/* Key Features Section */
.feature-section {
    display: flex;
    padding: 2rem 0;
}

.feature-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    gap: 1rem;
}

.reverse {
    flex-direction: row-reverse;
}

.light-bg {
    background-color: #f9f9f9;
}

.dark-bg {
    background-color: #333333;
    color: #ffffff;
}

.feature-text, .feature-image {
    flex: 1 1 50%;
    padding: 1rem;
    box-sizing: border-box;
}

.feature-text h3 {
    font-size: 1.6em;
    margin-top: 0;
    margin-bottom: 0.5em;
}

.feature-text p {
    font-size: 1.2em;
    line-height: 1.6;
}

.feature-image img {
    width: 100%;
    max-width: 800px;
    border-radius: 5px;
}

/* Footer */
footer {
    background-color: var(--banner-background-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    box-sizing: border-box;
}

.footer-icons img {
    margin-right: 10px;
    vertical-align: middle;
}

.footer-icons a:hover img {
    filter: brightness(1.2);
}

/* CTA Button Styles */
.cta-button {
    background-color: var(--button-background-color);
    color: var(--button-text-color);
    padding: 15px 30px;
    font-size: 1.2em;
    text-decoration: none;
    border-radius: 8px;
    margin: 10px;
    display: inline-block;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: var(--button-hover-background-color);
}

#sticky-toc {
    position: fixed;
    top: 120px;
    right: 20px;
    width: 200px;
    padding: 15px;
    background-color: var(--banner-background-color);
    color: var(--banner-text-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    z-index: 1000;
}

#sticky-toc ul {
    list-style: none;
    padding: 0;
}

#sticky-toc li {
    margin-bottom: 10px;
}

#sticky-toc a {
    text-decoration: none;
    color: var(--button-text-color);
}

#sticky-toc a:hover {
    color: var(--button-hover-background-color);
}

button {
    background-color: var(--button-background-color);
    color: var(--button-text-color);
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

button:hover {
    background-color: var(--button-hover-background-color);
}