body {
    margin: 0;
    background: var(--bg);
    color: #0f172a;
    line-height: 1.5;
}

.features-hero {
    text-align: center;
    padding: 100px 20px 60px;
    background: radial-gradient(circle at top right, #e0f2fe, #f8fafc 60%);
}

.features-hero h1 {
    font-size: 40px;
    margin-bottom: 12px;
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
}

.features-hero p {
    color: var(--muted);
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    max-width: 1100px;
    margin: 0 auto;
    padding: 60px 20px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.features-subsection {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px 60px;
    text-align: center;
}

.features-subsection h2 {
    font-size: 28px;
    margin-bottom: 10px;
}

.features-subsection .features-grid {
    grid-template-columns: repeat(4, 1fr);
    padding: 30px 0 0;
}

.features-card {
    display: block;
    background: var(--card);
    border-radius: 12px;
    padding: 26px 28px;
    box-shadow: 0 6px 16px var(--shadow);
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.features-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 24px var(--shadow);
}

.features-card h2 {
    font-size: 19px;
    margin: 0 0 8px;
    color: #0f172a;
}

.features-card p {
    color: var(--muted);
    font-size: 15px;
    margin: 0;
}

.features-cta {
    text-align: center;
    padding: 80px 20px;
    background: var(--card);
}

.features-cta h2 {
    font-size: 28px;
    margin-bottom: 12px;
}

.features-cta p {
    color: var(--muted);
    font-size: 16px;
    margin-bottom: 24px;
}

@media (max-width: 900px) {
    .features-grid,
    .features-subsection .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .features-hero h1 {
        font-size: 28px;
    }

    .features-grid,
    .features-subsection .features-grid {
        grid-template-columns: 1fr;
    }
}