/* Modern CSS Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Variables */
:root {
    /* Modern color palette */
    --primary-color: #6366F1; /* Indigo */
    --primary-dark: #4F46E5;
    --primary-light: #818CF8;
    --accent-color: #10B981; /* Emerald */
    --accent-dark: #059669;
    --accent-light: #34D399;
    --secondary-color: #F43F5E; /* Rose */
    --secondary-light: #FB7185;
    
    /* Text colors */
    --text-primary: #FFFFFF;
    --text-secondary: rgba(255, 255, 255, 0.8);
    --text-tertiary: rgba(255, 255, 255, 0.6);
    
    /* Background colors */
    --bg-primary: #0F172A; /* Slate 900 */
    --bg-secondary: #1E293B; /* Slate 800 */
    --bg-tertiary: #334155; /* Slate 700 */
    
    /* Card and UI elements */
    --card-bg: rgba(30, 41, 59, 0.8);
    --card-hover: rgba(51, 65, 85, 0.9);
    --card-border: rgba(255, 255, 255, 0.1);
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
    
    /* Animation */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base styles */
body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1.25rem;
    background: linear-gradient(135deg, var(--primary-light), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: -0.02em;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 3.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Header & Navigation */
.header {
    position: relative;
    background: var(--bg-secondary);
    padding: 2rem 0 0;
    overflow: hidden;
    min-height: 90vh;
    display: flex;
    flex-direction: column;
}

.header-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 10% 10%, rgba(99, 102, 241, 0.15) 0%, rgba(99, 102, 241, 0) 50%),
        radial-gradient(circle at 90% 90%, rgba(16, 185, 129, 0.15) 0%, rgba(16, 185, 129, 0) 50%),
        radial-gradient(circle at 90% 20%, rgba(244, 63, 94, 0.1) 0%, rgba(244, 63, 94, 0) 40%);
    z-index: 1;
    opacity: 0.8;
}

.navbar {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1280px;
    width: 90%;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    z-index: 2;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    position: relative;
}

.logo-icon {
    position: relative;
    font-size: 1.75rem;
    filter: drop-shadow(0 0 8px rgba(99, 102, 241, 0.5));
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.logo-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background: radial-gradient(circle at center, rgba(99, 102, 241, 0.4) 0%, rgba(99, 102, 241, 0) 70%);
    border-radius: 50%;
    z-index: -1;
    filter: blur(5px);
    animation: glow 4s ease-in-out infinite alternate;
}

@keyframes glow {
    0% { opacity: 0.6; }
    100% { opacity: 1; }
}

.logo .text {
    font-weight: 700;
    font-size: 1.25rem;
    background: linear-gradient(to right, var(--primary-light), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: -0.01em;
}

.nav-links {
    display: flex;
    gap: 2.25rem;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding: 0.25rem 0;
    transition: var(--transition);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, var(--primary-color), var(--accent-color));
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.github-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    color: var(--text-primary);
    padding: 0.75rem 1.25rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow-md), 0 0 15px rgba(99, 102, 241, 0.2);
}

.github-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(99, 102, 241, 0.4);
}

/* Hero Section */
.hero {
    position: relative;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 2rem;
    z-index: 2;
}

.hero-content {
    max-width: 900px;
    text-align: center;
}

.hero h1 {
    font-size: 3.75rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary-light), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: -0.03em;
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(99, 102, 241, 0.1) 0%, transparent 60%);
    z-index: -1;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

.primary-btn, .secondary-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.75rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.primary-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--text-primary);
    box-shadow: var(--shadow-md), 0 0 15px rgba(99, 102, 241, 0.2);
}

.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(99, 102, 241, 0.4);
}

.secondary-btn {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.secondary-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-3px);
    box-shadow: var(--shadow-sm);
}

/* Features Section */
.features {
    padding: 8rem 2rem;
    position: relative;
    overflow: hidden;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--primary-light), transparent);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    max-width: 1280px;
    margin: 0 auto;
}

.feature-card {
    position: relative;
    background: var(--card-bg);
    padding: 2.5rem 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--card-border);
    transition: var(--transition);
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    background: var(--card-hover);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 16px;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    box-shadow: 0 4px 10px rgba(99, 102, 241, 0.3);
}

.feature-icon i {
    font-size: 1.75rem;
    color: var(--text-primary);
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-weight: 600;
}

.feature-card p {
    color: var(--text-secondary);
    flex-grow: 1;
}

/* Installation Section */
.installation {
    position: relative;
    padding: 8rem 2rem;
    background: var(--bg-secondary);
    overflow: hidden;
}

.installation::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--accent-light), transparent);
}

.installation-container {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    z-index: 2;
}

.code-block {
    position: relative;
    background: rgba(15, 23, 42, 0.7);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 3rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.code-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.code-block pre {
    margin: 0;
    overflow-x: auto;
    font-family: 'Fira Code', monospace;
}

.code-block code {
    color: #e2e8f0;
}

.copy-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    font-size: 0.875rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.copy-btn i {
    font-size: 1rem;
}

.copy-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.setup-steps {
    background: rgba(15, 23, 42, 0.7);
    border-radius: 16px;
    padding: 2.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg);
}

.setup-steps h3 {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: var(--text-primary);
    font-weight: 600;
}

.setup-steps ol {
    margin-left: 1.5rem;
    color: var(--text-secondary);
}

.setup-steps li {
    margin-bottom: 1rem;
}

.setup-steps code {
    background: rgba(0, 0, 0, 0.3);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'Fira Code', monospace;
    color: var(--primary-light);
}

/* Preview Section */
.preview {
    padding: 8rem 2rem;
    position: relative;
    overflow: hidden;
}

.preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--primary-light), transparent);
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
    max-width: 1280px;
    margin: 0 auto;
}

.preview-card {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    height: 100%;
}

.preview-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(99, 102, 241, 0.2);
}

.preview-image {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.preview-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
    transform: scale(1.01);
}

.preview-card:hover img {
    transform: scale(1.05);
}

.preview-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.9), transparent);
    transform: translateY(100%);
    transition: var(--transition);
}

.preview-card:hover .preview-overlay {
    transform: translateY(0);
}

.preview-title {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.preview-desc {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Footer */
.footer {
    background: var(--bg-tertiary);
    padding: 4rem 2rem;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--secondary-light), transparent);
}

.footer-content {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-logo span {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-link {
    color: var(--text-secondary);
    font-size: 1.25rem;
    transition: var(--transition);
}

.social-link:hover {
    color: var(--text-primary);
    transform: translateY(-3px);
}

.copyright {
    text-align: center;
    margin-top: 3rem;
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 3rem;
    }
    
    .feature-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 1.5rem;
        padding: 1.5rem;
    }
    
    .nav-links {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
    }
    
    .nav-link, .github-link {
        width: 100%;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.125rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .primary-btn, .secondary-btn {
        width: 100%;
        justify-content: center;
    }
    
    .preview-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 2rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .feature-icon {
        width: 50px;
        height: 50px;
    }
    
    .feature-card h3 {
        font-size: 1.25rem;
    }
}

/* Custom Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

[data-aos] {
    pointer-events: none;
}

[data-aos].aos-animate {
    pointer-events: auto;
}