:root {
    --primary-color: #2C3E50;
    --secondary-color: #3498DB;
    --accent-color: #E74C3C;
    --light-bg: #ECF0F1;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 4px;
}

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

/* Navbar Styling */
.navbar {
    background: rgba(44, 62, 80, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 600;
    color: #fff !important;
}

.nav-link {
    color: #fff !important;
    margin: 0 1rem;
    position: relative;
    transition: all 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: width 0.3s ease;
}

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

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

.hero::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><rect fill="rgba(255,255,255,0.1)" x="0" y="0" width="100" height="100"/></svg>');
    opacity: 0.1;
}

.hero-content {
    position: relative;
    z-index: 1;
    color: #fff;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Features Section */
.features {
    padding: 5rem 0;
    background: var(--light-bg);
}

.feature-card {
    background: #fff;
    border-radius: 15px;
    padding: 2rem;
    margin-bottom: 2rem;
    transition: transform 0.3s ease;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon i {
    color: #fff;
    font-size: 1.5rem;
}

/* Call to Action */
.cta {
    background: linear-gradient(45deg, var(--accent-color), var(--secondary-color));
    padding: 5rem 0;
    color: #fff;
    text-align: center;
}

/* Custom Button */
.btn-custom {
    background: var(--secondary-color);
    color: #fff;
    padding: 0.8rem 2rem;
    border-radius: 30px;
    border: none;
    transition: all 0.3s ease;
}

.btn-custom:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    .navbar {
        padding: 0.5rem 1rem;
    }
    .feature-card {
        margin-bottom: 1rem;
    }
}