/* Basic Reset and Global Styles */
body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    background-color: #f9fafb;
    color: #1f2937;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Sections */
.hero {
    background-color: #ffffff;
    padding: 6rem 0;
    text-align: center;
}

.features {
    padding: 6rem 0;
}

.cta {
    background-color: #2563eb;
    color: #ffffff;
    padding: 6rem 0;
    text-align: center;
}

.footer {
    background-color: #1f2937;
    color: #ffffff;
    padding: 2rem 0;
    text-align: center;
}

/* Headings and Paragraphs */
h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-align: center;
}

p {
    font-size: 1rem;
    margin-bottom: 2rem;
    max-width: 56rem;
    margin-left: auto;
    margin-right: auto;
    color: #4b5563;
}

.cta p {
    color: #d1d5db;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-size: 1.125rem;
    font-weight: 500;
    text-decoration: none;
    color: #ffffff;
    background-color: #2563eb;
    border-radius: 9999px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.btn:hover {
    background-color: #1d4ed8;
    transform: scale(1.05);
}

.btn-alt {
    color: #2563eb;
    background-color: #ffffff;
}

.btn-alt:hover {
    background-color: #e5e7eb;
}

/* Feature Cards */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header p {
    max-width: 48rem;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.feature-card {
    background-color: #ffffff;
    padding: 2rem;
    border-radius: 0.75rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: scale(1.05);
}

.feature-icon {
    color: #3b82f6;
    width: 3rem;
    height: 3rem;
    margin: 0 auto 1rem;
}

.feature-card p {
    color: #6b7280;
    text-align: center;
    max-width: none;
    margin-bottom: 0;
}

/* Responsive Design */
@media (min-width: 768px) {
    h1 {
        font-size: 4rem;
    }

    h2 {
        font-size: 3rem;
    }

    .hero {
        padding: 12rem 0;
    }

    .features,
    .cta {
        padding: 9rem 0;
    }
    
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}