:root {
    --primary-color: #2c3e50;
    --secondary-color: #4a90e2;
    --accent-color: #e74c3c;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --border-radius: 8px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    overflow-x: hidden;
}

/* Navbar Styles */
.navbar {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar-brand {
    font-size: 1.8rem;
    font-weight: bold;
    color: white;
}

.nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem !important;
    margin: 0 0.2rem;
}

.nav-link:hover {
    color: white !important;
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    padding: 140px 0 100px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200"><path fill="%23ffffff" fill-opacity="0.05" d="M0 0h200v200H0z"/></svg>');
    opacity: 0.1;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero .lead {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    margin-top: 2rem;
    position: relative;
    z-index: 10;
}

.hero-buttons .btn {
    padding: 0.8rem 2rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.hero-buttons .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.hero-buttons .btn-primary {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

.hero-buttons .btn-outline-light:hover {
    background: rgba(255,255,255,0.1);
}

/* Features Section */
.features {
    padding: 100px 0;
    background-color: var(--light-bg);
}

.feature-box {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    height: 100%;
}

.feature-box:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.feature-box i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

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

/* Modules Section */
.modules {
    padding: 100px 0;
    background: white;
}

.module-card {
    background: var(--light-bg);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.module-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.module-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.module-features {
    list-style: none;
    padding: 0;
    margin-top: 1.5rem;
}

.module-features li {
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
}

.module-features i {
    color: var(--secondary-color);
    margin-right: 0.8rem;
}

/* About Section */
.about {
    padding: 100px 0;
    background: white;
}

.about h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin-top: 2rem;
}

.feature-list li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

.feature-list i {
    color: var(--secondary-color);
    margin-right: 1rem;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background-color: var(--light-bg);
}

.contact-form {
    background: white;
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.form-control {
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
}

.form-control:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.2rem rgba(74, 144, 226, 0.25);
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: white;
    padding: 2rem 0;
}

.social-links a {
    color: white;
    margin-left: 1.5rem;
    font-size: 1.4rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: var(--secondary-color);
    transform: translateY(-3px);
}

/* Animations */
.animate-fade-in {
    animation: fadeIn 1s ease-in;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        text-align: center;
        padding: 100px 0;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .feature-box {
        margin-bottom: 2rem;
    }
    
    .module-card {
        margin-bottom: 2rem;
    }
    
    .contact-form {
        padding: 2rem;
    }
}