/* Global Styles */
body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #1a1a2e;
    color: #e0e0e0;
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 0;
}

h1, h2, h3 {
    color: #00bcd4; /* Cyan for headings - tech feel */
    margin-bottom: 15px;
}

p {
    margin-bottom: 10px;
}

a {
    color: #80deea; /* Lighter cyan for links */
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

ul {
    list-style: none;
    padding: 0;
}

li {
    margin-bottom: 8px;
}

/* Header */
header {
    background-color: #162447;
    padding: 15px 0;
    border-bottom: 0px;
}

header .container {
    display: flex;
    align-items: center;
}

#logo {
    width: 80px;
    height: 80px;
    margin-right: 20px;
}

header h1 {
    margin: 0;
    font-size: 2em;
    font-weight: bold;
}

/* Main Content Sections */
.content-section {
    padding: 20px 0;
    border-bottom: 1px dashed #334756; /* Dashed separator for sections */
}

.content-section:last-child {
    border-bottom: none;
}

.content-section h2 {
    text-align: center;
    font-size: 2.2em;
    margin-bottom: 30px;
    position: relative;
}

.content-section h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: #00bcd4;
    margin: 10px auto 0;
}

/* Banner Section */
#banner {
    background-color: #0f1a3a;
    padding: 0; /* Remove padding for full-width banner effect */
    border-bottom: 0px;
}

.banner-container {
    position: relative;
    width: 100%; /* Make banner container full width */
    max-width: 900px; /* Max width as specified */
    height: 600px; /* Height as specified */
    margin: 0 auto; /* Center the banner */
    overflow: hidden;
}

.banner-slide {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform 0.5s ease-in-out;
}

.banner-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Ensure images cover the area without distortion */
}

.banner-container .prev,
.banner-container .next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    padding: 15px;
    cursor: pointer;
    font-size: 24px;
    z-index: 10;
    border-radius: 5px;
}

.banner-container .prev {
    left: 10px;
}

.banner-container .next {
    right: 10px;
}

/* Intro Section */
#intro p {
    font-size: 1.1em;
    text-align: justify;
}

/* Features Section */
.feature-category {
    background-color: #1f2a40;
    padding: 20px;
    margin-bottom: 20px;
    border-left: 5px solid #00bcd4;
    border-radius: 5px;
}

.feature-category h3 {
    font-size: 1.5em;
    margin-top: 0;
    display: flex;
    align-items: center;
}

.feature-category h3 i {
    margin-right: 10px;
    font-size: 1.2em; /* Adjust icon size as needed */
    /* Placeholder for actual icons - will need a font icon library or SVGs */
}

.more-features {
    text-align: center;
    font-style: italic;
    color: #88a1b9;
}

/* Demo Video Section */
.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    max-width: 100%;
    background: #000;
    border: 2px solid #00bcd4;
    border-radius: 5px;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Downloads Section */
#downloads ul li a {
    display: inline-block;
    background-color: #00bcd4;
    color: #1a1a2e;
    padding: 10px 20px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
    font-weight: bold;
}

#downloads ul li a:hover {
    background-color: #0097a7;
    text-decoration: none;
}

/* Tutorials Section */
.tutorial-part {
    background-color: #1f2a40;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 5px;
    border-left: 3px solid #80deea;
}

.tutorial-part h3 {
    font-size: 1.3em;
    color: #80deea;
}

/* Changelog Section */
.log-entry {
    background-color: #1f2a40;
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 5px;
}

.log-entry h3 {
    font-size: 1.2em;
    color: #80deea;
}

.log-entry ul {
    padding-left: 20px;
    list-style: disc;
}

/* Footer */
footer {
    background-color: #162447;
    text-align: center;
    padding: 20px 0;
    border-top: 2px solid #00bcd4;
    margin-top: 30px;
}

footer p {
    margin: 0;
    font-size: 0.9em;
}

/* Icons - Placeholder, ideally use a font icon library like Font Awesome or SVGs */
/* For now, using pseudo-elements for basic indication */
.icon-server-base::before { content: "\1F4BB"; /* Computer emoji as placeholder */ margin-right: 5px; }
.icon-server-adv::before { content: "\2699";  /* Gear emoji */ margin-right: 5px; }
.icon-gm::before { content: "\1F464"; /* Bust in silhouette emoji */ margin-right: 5px; }
.icon-client::before { content: "\1F4F1"; /* Mobile phone emoji */ margin-right: 5px; }
.icon-login::before { content: "\1F511"; /* Key emoji */ margin-right: 5px; }

/* Responsive Design */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        text-align: center;
    }

    #logo {
        margin-bottom: 10px;
    }

    header h1 {
        font-size: 1.8em;
    }

    .banner-container {
        height: 400px; /* Adjust banner height for smaller screens */
    }

    .content-section h2 {
        font-size: 1.8em;
    }

    .feature-category h3 {
        font-size: 1.3em;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.5em;
    }
    .banner-container {
        height: 300px; /* Further adjust banner height */
    }
    .banner-container .prev,
    .banner-container .next {
        padding: 10px;
        font-size: 18px;
    }
    .content-section h2 {
        font-size: 1.6em;
    }
    #downloads ul li a {
        padding: 8px 15px;
        font-size: 0.9em;
    }
}