/* Hero Section */
.hero {
    padding: 100px 0 80px;
    text-align: center;
    background: linear-gradient(to bottom, rgba(0, 153, 255, 0.05), rgba(255, 255, 255, 0));
    border-radius: 0 0 30% 30% / 50px;
}

.hero h1 {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.hero .tagline {
    font-size: 24px;
    font-weight: 400;
    color: var(--text-dark);
    margin-bottom: 24px;
}

.hero .description {
    max-width: 700px;
    margin: 0 auto 40px;
    font-size: 18px;
    color: var(--text-gray);
}

.cta-button {
    display: inline-flex;
    align-items: center;
    background-color: var(--primary);
    color: var(--white);
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.cta-button:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

/* Features Section */
.features {
    padding: 80px 0;
}

.features h2 {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 60px;
    color: var(--text-dark);
    position: relative;
}

.features h2::after {
    content: '';
    position: absolute;
    width: 80px;
    height: 4px;
    background-color: var(--primary);
    bottom: -16px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background-color: var(--white);
    border-radius: var(--radius);
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    font-size: 36px;
    margin-bottom: 20px;
    display: inline-block;
    color: var(--primary);
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-gray);
    font-size: 16px;
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        padding: 80px 0 60px;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .hero .tagline {
        font-size: 20px;
    }
    
    .hero .description {
        font-size: 16px;
        padding: 0 20px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .features h2 {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 0 40px;
    }
    
    .hero h1 {
        font-size: 32px;
    }
}