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

:root {
    --primary-color: #2563eb;
    --secondary-color: #7c3aed;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --dark: #1e293b;
    --light: #f8fafc;
    --gray: #64748b;
    --border: #e2e8f0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: var(--light);
    position: relative;
    display: flex;
    justify-content: center;
}

/* Main Content Wrapper */
.main-content-wrapper {
    max-width: 1200px;
    width: 100%;
    position: relative;
}

/* Sidebar Ads */
.sidebar-ad {
    position: fixed;
    top: 80px;
    width: 300px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.sidebar-left {
    left: calc(50% - 600px - 320px);
}

.sidebar-right {
    right: calc(50% - 600px - 320px);
}

/* Hide sidebar ads on smaller screens */
@media (max-width: 1800px) {
    .sidebar-ad {
        display: none;
    }
}

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

/* Navigation */
.navbar {
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-brand .logo {
    width: 40px;
    height: 40px;
}

.free-badge {
    background: var(--success-color);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: bold;
    margin-left: 8px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.hero-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.hero-icon {
    width: 80px;
    height: 80px;
    animation: fadeInUp 0.8s ease-out;
}

.hero-free-badge {
    background: var(--success-color);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: bold;
    animation: fadeInUp 0.8s ease-out 0.2s both;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease-out;
}

.tagline {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    opacity: 0.95;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: white;
    color: var(--primary-color);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: var(--primary-color);
}

.btn-download {
    background: var(--success-color);
    color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 40px;
    font-size: 1.1rem;
}

.btn-download:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(16, 185, 129, 0.3);
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.9rem;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: white;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    background: var(--light);
    border-radius: 12px;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--dark);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.feature-card p {
    color: var(--gray);
    line-height: 1.6;
}

/* Download Section */
.download {
    padding: 80px 0;
    background: var(--light);
}

.download h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--dark);
}

.download-card {
    background: white;
    border-radius: 12px;
    padding: 3rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.version-info h3 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.release-date {
    color: var(--gray);
    margin-bottom: 1.5rem;
}

.features-list {
    list-style: none;
    margin-top: 1rem;
}

.features-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.features-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

.download-buttons {
    text-align: center;
}

.download-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.file-size {
    font-size: 0.9rem;
    opacity: 0.8;
}

.download-note {
    margin-top: 1rem;
    color: var(--gray);
    font-size: 0.9rem;
}

.download-support {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px dashed var(--border);
}

.support-text {
    color: var(--gray);
    font-size: 1rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.coffee-btn-download {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #FFDD00 0%, #FBB034 100%);
    color: #000;
    padding: 12px 28px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(251, 176, 52, 0.3);
}

.coffee-btn-download:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(251, 176, 52, 0.4);
    background: linear-gradient(135deg, #FBB034 0%, #FFDD00 100%);
}

/* Shared section helpers */
.section-intro {
    text-align: center;
    max-width: 780px;
    margin: 0 auto 2rem auto;
    color: var(--gray);
    font-size: 1.05rem;
}

/* Architecture */
.architecture {
    padding: 80px 0;
    background: white;
}

.architecture h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.architecture-grid,
.architecture-subgrid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.architecture-card {
    background: var(--light);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
}

.architecture-card h3 {
    margin-bottom: 0.8rem;
    color: var(--primary-color);
}

.architecture-card ul,
.architecture-card ol {
    margin-left: 1.2rem;
    color: var(--gray);
    line-height: 1.6;
}

.diagram-wrapper {
    margin: 2rem 0;
    background: #0f172a;
    color: #e2e8f0;
    border-radius: 12px;
    padding: 1rem;
    border: 1px solid #1e293b;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}

.diagram {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 0.9rem;
    line-height: 1.4;
    white-space: pre;
    margin: 0;
}

/* Benchmarks */
.benchmarks {
    padding: 80px 0;
    background: var(--light);
}

.benchmarks h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.benchmark-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.benchmark-card {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
}

.benchmark-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.8rem;
}

.benchmark-card ul,
.benchmark-card p,
.benchmark-card ol {
    color: var(--gray);
    line-height: 1.6;
}

.benchmark-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0.5rem;
    font-size: 0.95rem;
}

.benchmark-table th,
.benchmark-table td {
    border: 1px solid var(--border);
    padding: 10px;
    text-align: left;
}

.benchmark-table th {
    background: var(--light);
    color: var(--dark);
}

.benchmark-table td {
    color: var(--gray);
}

.note {
    background: #ecfeff;
    color: #0f172a;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid #bae6fd;
    margin-top: 10px;
}

/* Protocols */
.protocols {
    padding: 80px 0;
    background: white;
}

.protocols h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.protocol-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.2rem;
    margin-bottom: 1.5rem;
}

.protocol-card {
    background: var(--light);
    padding: 1.4rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
}

.protocol-card h3 {
    margin-bottom: 0.6rem;
    color: var(--primary-color);
}

.protocol-card ul,
.protocol-card ol,
.protocol-card p {
    color: var(--gray);
    line-height: 1.6;
}

.protocol-card.wide {
    grid-column: 1 / -1;
}

.protocol-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.2rem;
}

/* Manual */
.manual {
    padding: 80px 0;
    background: var(--light);
}

.manual h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.manual-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.manual-card {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
}

.manual-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.6rem;
}

.manual-card p,
.manual-card ul,
.manual-card ol {
    color: var(--gray);
    line-height: 1.6;
}

.screenshot-placeholder {
    margin: 0.8rem 0;
    padding: 1.2rem;
    border: 2px dashed var(--border);
    border-radius: 12px;
    background: repeating-linear-gradient(45deg, #f8fafc, #f8fafc 10px, #eef2ff 10px, #eef2ff 20px);
    color: var(--gray);
    text-align: center;
    font-weight: 600;
}

.manual-notes {
    margin-top: 2rem;
    background: #f8fafc;
    padding: 1.2rem;
    border-radius: 12px;
    border: 1px solid var(--border);
}

/* Roadmap */
.roadmap {
    padding: 80px 0;
    background: white;
}

.roadmap h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.roadmap-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.roadmap-card {
    background: var(--light);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
}

.roadmap-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.8rem;
}

.roadmap-card ul {
    color: var(--gray);
    line-height: 1.6;
    margin-left: 1.2rem;
}

/* Deep Dives */
.deep-dives {
    padding: 80px 0;
    background: #f8fafc;
}

.deep-dives h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.deep-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
}

.deep-card {
    display: block;
    background: white;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.4rem;
    text-decoration: none;
    color: var(--dark);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.deep-card h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.deep-card p {
    color: var(--gray);
    line-height: 1.6;
    min-height: 72px;
}

.deep-link {
    display: inline-block;
    margin-top: 0.6rem;
    color: var(--secondary-color);
    font-weight: 600;
}

.deep-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.08);
    border-color: var(--primary-color);
}

.coffee-btn-download .coffee-icon {
    font-size: 1.3rem;
}

/* Guide Section */
.guide {
    padding: 80px 0;
    background: white;
}

.guide h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--dark);
}

.guide-section {
    background: var(--light);
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    border-left: 4px solid var(--primary-color);
}

.guide-section h3 {
    color: var(--dark);
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.guide-section h4 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin: 1.5rem 0 1rem;
}

.guide-section ul,
.guide-section ol {
    margin-left: 2rem;
    margin-top: 1rem;
}

.guide-section li {
    margin-bottom: 0.5rem;
    line-height: 1.8;
}

.guide-section code {
    background: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    color: var(--primary-color);
    border: 1px solid var(--border);
}

.guide-section strong {
    color: var(--dark);
}

/* Versions Section */
.versions {
    padding: 80px 0;
    background: var(--light);
}

.versions h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--dark);
}

.versions-intro {
    text-align: center;
    color: var(--gray);
    margin-bottom: 3rem;
}

.version-list {
    margin-bottom: 3rem;
}

.version-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.version-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
}

.version-header h3 {
    color: var(--dark);
    font-size: 1.5rem;
}

.version-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.version-badge.current {
    background: var(--success-color);
    color: white;
}

.version-date {
    color: var(--gray);
    font-size: 0.9rem;
}

.version-placeholder {
    background: white;
    padding: 3rem;
    border-radius: 12px;
    text-align: center;
    color: var(--gray);
    border: 2px dashed var(--border);
}

.changelog {
    background: white;
    padding: 2rem;
    border-radius: 12px;
}

.changelog h3 {
    color: var(--dark);
    font-size: 2rem;
    margin-bottom: 2rem;
}

.changelog-entry {
    border-left: 4px solid var(--primary-color);
    padding-left: 2rem;
    margin-bottom: 2rem;
}

.changelog-entry h4 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.changelog-entry ul {
    list-style: none;
    margin-top: 1rem;
}

.changelog-entry li {
    padding: 0.3rem 0;
    color: var(--gray);
}

/* Footer */
.footer {
    background: var(--dark);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: white;
}

.footer-section ul {
    list-style: none;
}

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

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: white;
}

.coffee-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #FFDD00;
    color: #000;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    margin-top: 1rem;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(255, 221, 0, 0.3);
}

.coffee-btn:hover {
    background: #FFE84D;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 221, 0, 0.5);
    color: #000;
}

.coffee-icon {
    font-size: 1.2rem;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.contact h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--dark);
    font-size: 2.5rem;
}

.open-source-info {
    background: white;
    border-radius: 12px;
    padding: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border: 2px solid var(--primary-color);
}

.open-source-info h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.open-source-info p {
    color: var(--gray);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.github-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.btn-github {
    background: #24292e;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-github:hover {
    background: #1a1f23;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.github-note {
    color: var(--gray);
    font-size: 0.95rem;
    font-style: italic;
    margin-top: 1rem;
}

.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.contact-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.contact-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.contact-card p {
    color: var(--gray);
    margin-bottom: 1rem;
}

.contact-link {
    display: inline-block;
    color: var(--primary-color);
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border: 2px solid var(--primary-color);
    border-radius: 8px;
    transition: all 0.3s ease;
    margin: 1rem 0;
}

.contact-link:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.05);
}

.contact-note {
    font-size: 0.85rem;
    color: var(--gray);
    font-style: italic;
}

.support-info {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.support-info h3 {
    color: var(--dark);
    margin-bottom: 1.5rem;
    text-align: center;
    font-size: 1.8rem;
}

.help-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.help-item {
    padding: 1.5rem;
    border-left: 4px solid var(--primary-color);
    background: var(--light);
    border-radius: 8px;
}

.help-item strong {
    display: block;
    color: var(--dark);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.help-item p {
    color: var(--gray);
    margin: 0;
}

.help-item a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.help-item a:hover {
    text-decoration: underline;
}

.footer-email {
    margin-top: 0.5rem;
}

.footer-email a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
}

.footer-email a:hover {
    text-decoration: underline;
    color: white;
}

.footer-bottom p {
    margin: 0.25rem 0;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
}

.footer-bottom a:hover {
    text-decoration: underline;
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Ad Container */
.ad-container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 1rem;
    text-align: center;
    min-height: 100px;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
        flex-wrap: wrap;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .tagline {
        font-size: 1.2rem;
    }

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

    .download-card {
        grid-template-columns: 1fr;
    }

    .version-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .version-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection */
::selection {
    background: var(--primary-color);
    color: white;
}