* {
    margin: 0;
    padding: 0;
}

/* Global Styles */
body {
    background: #f0f2f5;
}

#main-content {
    margin-top: 50px;
    font-family: 'Segoe UI', sans-serif;
}

/* Hero Section */
.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    background: url('hero.jpg') no-repeat center center/cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 96.8%;
    height: 94.2%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #fff;
    padding: 20px;
}

.hero-overlay h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.hero-overlay p {
    font-size: 1.5rem;
    margin-bottom: 30px;
}

.hero-overlay .btn {
    padding: 15px 30px;
    background: #21a1f1;
    color: #fff;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-size: 1.2rem;
    transition: background 0.3s ease;
}

.hero-overlay .btn:hover {
    background: #1a89d4;
}

/* Features Section */
.features {
    padding: 60px 20px;
    background: #fff;
    text-align: center;
}

.features h2 {
    font-size: 2.8rem;
    margin-bottom: 40px;
    color: #21a1f1;
}

.feature-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}

.feature-card {
    background: #fafafa;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    width: 300px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.feature-card h3 {
    font-size: 1.8rem;
    margin: 15px 0 10px;
    color: #333;
}

.feature-card p {
    font-size: 1rem;
    padding: 0 15px 15px;
    color: #666;
}

.btn-secondary {
    display: inline-block;
    margin-bottom: 15px;
    padding: 10px 20px;
    background: #61dafb;
    color: #fff;
    border-radius: 5px;
    text-decoration: none;
    transition: background 0.3s ease;
}

.btn-secondary:hover {
    background: #52c0e9;
}

/* Call-to-Action Section */
.cta {
    padding: 60px 20px;
    background: #21a1f1;
    color: #fff;
    text-align: center;
}

.cta h2 {
    font-size: 2.8rem;
    margin-bottom: 20px;
}

.cta p {
    font-size: 1.4rem;
    margin-bottom: 30px;
}

.cta .btn {
    padding: 15px 30px;
    background: #fff;
    color: #21a1f1;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-size: 1.2rem;
    transition: background 0.3s ease, color 0.3s ease;
}

.cta .btn:hover {
    background: #f0f0f0;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .hero-overlay h1 {
        font-size: 2.5rem;
    }

    .hero-overlay p {
        font-size: 1.2rem;
    }

    .feature-cards {
        flex-direction: column;
        align-items: center;
    }
}