.hero {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    color: #fff;
    padding: 80px 0;
    text-align: center;
}

.hero h1 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 16px;
}

.hero .subtitle-strong {
    font-size: 18px;
    opacity: 0.95;
    margin-bottom: 12px;
}

.hero .subtitle-weak {
    font-size: 15px;
    opacity: 0.75;
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.hero-actions .btn-outline {
    background: transparent;
    color: #fff;
    border-color: #fff;
}

.hero-actions .btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
}

.features {
    padding: 60px 0;
}

.features h2 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 40px;
    color: #111827;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature {
    background: #fff;
    border-radius: 8px;
    padding: 32px 24px;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    transition: box-shadow 0.2s;
}

.feature:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.feature h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: #2563eb;
}

.feature p {
    color: #6b7280;
    font-size: 14px;
}

.usage {
    padding: 60px 0;
    background: #fff;
}

.usage h2 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 40px;
    color: #111827;
}

.usage-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    list-style: none;
}

.usage-steps li {
    text-align: center;
    padding: 24px;
}

.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #2563eb;
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
}

.usage-steps h3 {
    font-size: 16px;
    margin-bottom: 8px;
    color: #111827;
}

.usage-steps p {
    color: #6b7280;
    font-size: 14px;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 28px;
    }
    .hero .subtitle-strong {
        font-size: 16px;
    }
    .hero .subtitle-weak {
        font-size: 14px;
    }
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    .feature-grid,
    .usage-steps {
        grid-template-columns: 1fr;
    }
}