/* Rylo Project Website - Dark Theme with GitHub/Notion Aesthetic */

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

:root {
    --bg-primary: #000000;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --text-muted: #666666;
    --accent-primary: #ffffff;
    --accent-secondary: #333333;
    --border-color: #333333;
    --hover-bg: #222222;
    --transition: all 0.2s ease;
    --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo h1 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--text-primary);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    text-align: center;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.highlight {
    color: var(--text-primary);
    background: linear-gradient(90deg, #ffffff 0%, #b3b3b3 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: 1px solid var(--border-color);
    background-color: transparent;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    font-size: 16px;
    border-radius: 0;
}

.btn-primary {
    background-color: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

.btn-primary:hover {
    background-color: var(--text-secondary);
    border-color: var(--text-secondary);
    transform: translateY(-1px);
}

.btn-secondary:hover {
    background-color: var(--hover-bg);
    transform: translateY(-1px);
}

/* Sections */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 48px;
    letter-spacing: -0.02em;
}

.downloads {
    padding: 80px 0;
    background-color: var(--bg-secondary);
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.application-card {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 32px;
    transition: var(--transition);
}

.application-card:hover {
    border-color: var(--text-secondary);
    transform: translateY(-2px);
}

.app-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.app-logo {
    width: 48px;
    height: 48px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.app-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
}

.app-description {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.6;
}

.app-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-small {
    padding: 8px 16px;
    font-size: 14px;
}

/* Showcase */
.showcase {
    padding: 80px 0;
    background-color: var(--bg-primary);
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.showcase-item {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 32px;
    transition: var(--transition);
}

.showcase-item:hover {
    border-color: var(--text-secondary);
    transform: translateY(-2px);
}

.showcase-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.showcase-item p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.showcase-features {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.feature-tag {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 4px 12px;
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Footer */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 48px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    margin-bottom: 32px;
}

.footer-section h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-section p {
    color: var(--text-secondary);
    font-size: 14px;
}

.footer-section a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 8px;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .header-content {
        flex-direction: column;
        height: auto;
        padding: 16px 0;
    }
    
    .nav {
        gap: 24px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .applications-grid {
        grid-template-columns: 1fr;
    }
    
    .showcase-grid {
        grid-template-columns: 1fr;
    }
    
    .app-actions {
        flex-direction: column;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
    transform: translateY(30px);
}

.fade-in-up.animated {
    opacity: 1;
    transform: translateY(0);
}