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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #e5e7eb;
    background-color: #000000;
}

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

/* Header and Navigation */
header {
    background-color: #000000;
    border-bottom: 1px solid #1f2937;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar {
    padding: 1.5rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #ffffff;
    text-decoration: none;
}

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

.nav-links a {
    color: #9ca3af;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: #00D4D5;
}

/* Main Content */
main {
    min-height: calc(100vh - 200px);
}

/* Hero Section - Dark */
.hero-dark {
    background-color: #000000;
    color: white;
    padding: 8rem 0 6rem;
    text-align: center;
}

.hero-dark h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    color: #ffffff;
}

.hero-dark .highlight {
    color: #00D4D5;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: #9ca3af;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: center;
}

.btn-primary {
    display: inline-block;
    background-color: #00D4D5;
    color: #000000;
    padding: 0.875rem 2rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #00bfc0;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 212, 213, 0.3);
}

.btn-secondary {
    display: inline-block;
    background-color: transparent;
    color: #ffffff;
    padding: 0.875rem 2rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    border: 1px solid #374151;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    border-color: #00D4D5;
    color: #00D4D5;
}

/* Features Section - Dark */
.features-dark {
    padding: 6rem 0;
    background-color: #000000;
}

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

.feature-card {
    background-color: #0a0a0a;
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid #1f2937;
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: #00D4D5;
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 212, 213, 0.1);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background-color: #1a1a1a;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: #00D4D5;
}

.feature-card h3 {
    color: #ffffff;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.feature-card p {
    color: #9ca3af;
    line-height: 1.7;
}

/* Old Hero Section - Keep for other pages */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 6rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.tagline {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-button {
    display: inline-block;
    background-color: white;
    color: #667eea;
    padding: 0.875rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

/* Old Features Section - Keep for other pages */
.features {
    padding: 4rem 0;
    background-color: #f9fafb;
}

.feature {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    text-align: center;
}

.feature h3 {
    color: #2563eb;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

/* About Section */
.about-section {
    padding: 4rem 0;
    background-color: #000000;
}

.about-section h1 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #ffffff;
}

.about-content {
    max-width: 800px;
}

.about-content h2 {
    color: #00D4D5;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 1.75rem;
}

.about-content p {
    margin-bottom: 1rem;
    color: #9ca3af;
}

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

.values-list li {
    padding: 0.5rem 0;
    color: #9ca3af;
}

.values-list strong {
    color: #00D4D5;
}

.about-content a {
    color: #00D4D5;
    text-decoration: none;
}

.about-content a:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    background-color: #0a0a0a;
    color: #9ca3af;
    padding: 2rem 0;
    text-align: center;
    margin-top: 4rem;
    border-top: 1px solid #1f2937;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-dark h1 {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        text-align: center;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
}