/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #e0e0e0;
    background-color: #1a1a1a;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* Header */
header {
    background-color: #2a2a2a;
    border-bottom: 2px solid #3a3a3a;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    color: #4a9eff;
    font-size: 1.8rem;
    font-weight: 600;
}

nav {
    display: flex;
    gap: 2rem;
}

nav a {
    color: #e0e0e0;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

nav a:hover {
    color: #4a9eff;
}

/* Main Content */
main {
    flex: 1;
    padding: 3rem 0;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 3rem 0;
    margin-bottom: 3rem;
}

.hero h2 {
    font-size: 2.5rem;
    color: #ffffff;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    color: #b0b0b0;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background-color: #4a9eff;
    color: #ffffff;
}

.btn-primary:hover {
    background-color: #3a8eef;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(74, 158, 255, 0.3);
}

.btn-primary:disabled {
    background-color: #555555;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background-color: #3a3a3a;
    color: #4a9eff;
    border: 2px solid #4a9eff;
}

.btn-secondary:hover {
    background-color: #4a4a4a;
}

/* Sections */
section {
    margin-bottom: 3rem;
}

section h3 {
    font-size: 2rem;
    color: #ffffff;
    margin-bottom: 1.5rem;
}

section h4 {
    font-size: 1.3rem;
    color: #4a9eff;
    margin-bottom: 0.8rem;
    margin-top: 1.5rem;
}

section p {
    color: #b0b0b0;
    margin-bottom: 1rem;
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    background-color: #2a2a2a;
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid #3a3a3a;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: #4a9eff;
}

.feature-card h4 {
    color: #4a9eff;
    margin-top: 0;
}

.feature-card p {
    color: #b0b0b0;
}

/* Community Section */
.community {
    text-align: center;
    padding: 2rem;
    background-color: #2a2a2a;
    border-radius: 8px;
    border: 1px solid #3a3a3a;
}

/* Download Section */
.download-section {
    max-width: 800px;
    margin: 0 auto;
}

.download-box {
    background-color: #2a2a2a;
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid #3a3a3a;
    margin: 2rem 0;
    text-align: center;
}

.download-box h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.version {
    font-size: 1.3rem;
    color: #4a9eff;
    font-weight: 600;
}

.release-date {
    color: #888888;
    margin-bottom: 1.5rem;
}

.download-buttons {
    margin-top: 1.5rem;
}

.note {
    color: #888888;
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.release-notes,
.system-requirements {
    background-color: #2a2a2a;
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid #3a3a3a;
    margin: 2rem 0;
}

.release-notes ul,
.system-requirements ul {
    list-style-position: inside;
    color: #b0b0b0;
}

.release-notes li,
.system-requirements li {
    margin-bottom: 0.5rem;
}

/* Updates Section */
.updates-section {
    max-width: 900px;
    margin: 0 auto;
}

.version-history {
    margin-top: 2rem;
}

.version-entry {
    background-color: #2a2a2a;
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid #3a3a3a;
    margin-bottom: 2rem;
}

.version-entry h3 {
    font-size: 1.8rem;
    color: #ffffff;
    margin-bottom: 0.5rem;
}

.badge {
    display: inline-block;
    background-color: #4a9eff;
    color: #ffffff;
    padding: 0.2rem 0.8rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-left: 0.5rem;
}

.version-entry.upcoming {
    border-color: #4a9eff;
}

.version-entry ul {
    list-style-position: inside;
    color: #b0b0b0;
    margin-top: 0.5rem;
}

.version-entry li {
    margin-bottom: 0.5rem;
}

/* Documentation Section */
.docs-section {
    max-width: 900px;
    margin: 0 auto;
}

.doc-section {
    background-color: #2a2a2a;
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid #3a3a3a;
    margin-bottom: 2rem;
}

.doc-section h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.doc-section h4 {
    font-size: 1.3rem;
    color: #4a9eff;
    margin-top: 1.5rem;
    margin-bottom: 0.8rem;
}

.doc-section ol,
.doc-section ul {
    margin-left: 1.5rem;
    color: #b0b0b0;
}

.doc-section li {
    margin-bottom: 0.5rem;
}

.doc-section a {
    color: #4a9eff;
    text-decoration: none;
}

.doc-section a:hover {
    text-decoration: underline;
}

.doc-section strong {
    color: #ffffff;
}

/* Footer */
footer {
    background-color: #2a2a2a;
    border-top: 2px solid #3a3a3a;
    padding: 2rem 0;
    margin-top: auto;
    text-align: center;
}

footer p {
    color: #888888;
}

/* Responsive Design */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        gap: 1rem;
    }

    nav {
        gap: 1rem;
    }

    .hero h2 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    section h3 {
        font-size: 1.5rem;
    }
}