:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --text-color: #2c3e50;
    --light-bg: #f8f9fa;
}

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

/* Navbar */
.navbar {
    background-color: var(--primary-color);
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 0.5rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar-brand img {
    transition: all 0.3s ease;
}

.nav-link {
    color: white !important;
    font-weight: 500;
    margin: 0 1rem;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--secondary-color) !important;
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('logo.png') no-repeat center center;
    background-size: contain;
    opacity: 0.1;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero .lead {
    font-size: 1.5rem;
    font-weight: 300;
}

/* Cards */
.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.card-title {
    color: var(--primary-color);
    font-weight: 600;
}

/* Sections */
section {
    padding: 100px 0;
}

section h2 {
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 2rem;
}

/* Buttons */
.btn-primary {
    background-color: var(--secondary-color);
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 30px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--primary-color);
    transform: translateY(-2px);
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: white;
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 3rem;
    }
    
    .hero .lead {
        font-size: 1.2rem;
    }
    
    section {
        padding: 60px 0;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--light-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}