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

:root {
    --primary-color: #2e8b57;
    --primary-dark: #236b43;
    --secondary-color: #007acc;
    --bg-dark: #1e1e1e;
    --bg-light: #252526;
    --bg-card: #2d2d30;
    --text-light: #cccccc;
    --text-dark: #888888;
    --border-color: #3e3e42;
    --success-color: #4caf50;
    --warning-color: #ff9800;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    background: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.nav-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.version-badge {
    background: var(--primary-color);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

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

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

/* Hero Section */
.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-card) 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.ordin-icon {
    font-size: 72px;
    color: var(--primary-color);
    font-weight: 300;
}

.hero-title {
    font-size: 64px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #ffffff;
}

.hero-subtitle {
    font-size: 24px;
    color: var(--text-light);
    margin-bottom: 20px;
}

.hero-description {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.btn {
    padding: 14px 32px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(46, 139, 87, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-light);
    border: 2px solid var(--border-color);
}

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

.platform-badges {
    display: flex;
    gap: 12px;
}

.badge {
    background: var(--bg-card);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--border-color);
}

.hero-image {
    position: relative;
}

.screenshot {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-color);
}

/* Features Section */
.features {
    padding: 80px 0;
    background: var(--bg-dark);
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
    color: #ffffff;
}

.section-subtitle {
    font-size: 18px;
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--bg-card);
    padding: 40px 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 12px;
    color: #ffffff;
}

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

/* Screenshots Section */
.screenshots-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.screenshot-item {
    text-align: center;
}

.screenshot-item img {
    width: 100%;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    margin-bottom: 12px;
    transition: transform 0.3s;
}

.screenshot-item img:hover {
    transform: scale(1.05);
}

.screenshot-item p {
    color: var(--text-light);
    font-size: 14px;
}

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

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.download-card {
    background: var(--bg-card);
    padding: 40px 30px;
    border-radius: 12px;
    border: 2px solid var(--border-color);
    text-align: center;
    transition: all 0.3s;
}

.download-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.os-icon {
    font-size: 64px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.download-card h3 {
    font-size: 24px;
    margin-bottom: 12px;
    color: #ffffff;
}

.os-version {
    color: var(--text-dark);
    font-size: 14px;
    margin-bottom: 8px;
}

.file-size {
    color: var(--text-light);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 24px;
}

.btn-download {
    width: 100%;
    background: var(--primary-color);
    color: white;
    margin-bottom: 20px;
}

.btn-download:hover {
    background: var(--primary-dark);
}

.download-details {
    text-align: left;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

.download-details p {
    font-size: 13px;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.download-details code {
    background: var(--bg-dark);
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Fira Code', monospace;
    font-size: 12px;
    color: var(--primary-color);
}

.download-note {
    text-align: center;
    padding: 30px;
    background: var(--bg-light);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.download-note p {
    color: var(--text-light);
    margin-bottom: 8px;
}

.download-note a {
    color: var(--primary-color);
    text-decoration: none;
}

/* Installation Section */
.installation {
    padding: 80px 0;
    background: var(--bg-light);
}

.install-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.tab-btn {
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-light);
    padding: 12px 30px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 10px;
}

.tab-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

.tab-content {
    display: none;
    background: var(--bg-card);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.tab-content.active {
    display: block;
}

.tab-content h3 {
    font-size: 32px;
    margin-bottom: 30px;
    color: #ffffff;
}

.tab-content h4 {
    font-size: 20px;
    margin: 30px 0 15px 0;
    color: var(--primary-color);
}

.install-steps {
    margin: 30px 0;
}

.step {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.step-number {
    background: var(--primary-color);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h4 {
    margin: 0 0 8px 0;
    font-size: 18px;
}

.step-content p {
    color: var(--text-dark);
    line-height: 1.6;
}

.step-content code {
    background: var(--bg-dark);
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Fira Code', monospace;
    font-size: 13px;
    color: var(--primary-color);
}

.code-block {
    background: var(--bg-dark);
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
    margin: 20px 0;
    overflow-x: auto;
}

.code-block code {
    font-family: 'Fira Code', monospace;
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-light);
}

.install-note {
    background: var(--bg-dark);
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid var(--secondary-color);
    margin-top: 30px;
}

.install-note p {
    color: var(--text-light);
    margin-bottom: 0;
}

/* Documentation Section */
.documentation {
    padding: 80px 0;
    background: var(--bg-dark);
}

.docs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.doc-card {
    background: var(--bg-card);
    padding: 40px 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
    text-decoration: none;
    color: var(--text-light);
    transition: all 0.3s;
}

.doc-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.doc-card i {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.doc-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: #ffffff;
}

.doc-card p {
    color: var(--text-dark);
    font-size: 14px;
}

/* Footer */
.footer {
    background: var(--bg-light);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.footer-section p {
    color: var(--text-dark);
    line-height: 1.6;
}

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

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: var(--text-dark);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    transition: all 0.3s;
}

.social-links a:hover {
    background: var(--primary-color);
    color: white;
}

.citation {
    background: var(--bg-card);
    padding: 15px;
    border-radius: 6px;
    font-family: 'Fira Code', monospace;
    font-size: 12px;
    line-height: 1.6;
    border-left: 3px solid var(--primary-color);
}

.citation a {
    color: var(--primary-color);
    text-decoration: none;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    color: var(--text-dark);
}

.footer-bottom p {
    margin-bottom: 8px;
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .platform-badges {
        justify-content: center;
    }
    
    .nav-links {
        flex-wrap: wrap;
        gap: 15px;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 20px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .install-tabs {
        flex-direction: column;
    }
    
    .tab-btn {
        width: 100%;
    }
}

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

/* Help Steps in Hero */
.help-steps {
    display: grid;
    gap: 20px;
    margin-top: 30px;
}

.help-step {
    background: var(--bg-card);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    display: flex;
    gap: 20px;
    align-items: flex-start;
    transition: all 0.3s;
}

.help-step:hover {
    border-color: var(--primary-color);
    transform: translateX(5px);
}