/* Feature section – premium cards, 8px system, soft shadow */
.feature-section {
    background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
    width: 100%;
    display: flex;
    justify-content: center;
}

.feature-container {
    max-width: 1280px;
    width: 100%;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--white, #fff);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    border: 1px solid rgba(0, 0, 0, 0.04);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100%;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px -8px rgba(0, 0, 0, 0.12), 0 4px 12px -4px rgba(0, 0, 0, 0.06);
}

.feature-section .icon-wrapper {
    background: linear-gradient(145deg, #eef2f7 0%, #e2e8f0 100%);
    width: 72px;
    height: 72px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: #334155;
    font-size: 1.75rem;
    transition: background 0.25s ease, transform 0.25s ease;
}

.feature-card:hover .icon-wrapper {
    background: linear-gradient(145deg, #e2e8f0 0%, #cbd5e1 100%);
}

.feature-title {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: #0f172a;
    margin-bottom: 8px;
    line-height: 1.3;
}

.feature-subtitle {
    font-size: 14px;
    color: #64748b;
    font-weight: 400;
    line-height: 1.5;
    max-width: 200px;
    margin: 0 auto;
}

.feature-card:nth-child(2) .feature-subtitle {
    max-width: 180px;
}

@media screen and (max-width: 1024px) {
    .feature-container {
        gap: 16px;
    }
    .feature-title {
        font-size: 17px;
    }
    .feature-card {
        padding: 24px 20px;
    }
}

@media screen and (max-width: 860px) {
    .feature-section {
        padding: 40px 16px;
    }
    .feature-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        max-width: 560px;
    }
    .feature-card {
        padding: 28px 20px;
    }
}

@media screen and (max-width: 500px) {
    .feature-section {
        padding: 32px 16px;
    }
    .feature-container {
        grid-template-columns: 1fr;
        gap: 16px;
        max-width: 340px;
    }
    .feature-card {
        padding: 24px 16px;
    }
    .feature-section .icon-wrapper {
        width: 64px;
        height: 64px;
        font-size: 1.5rem;
    }
    .feature-title {
        font-size: 16px;
    }
    .feature-subtitle {
        font-size: 13px;
    }
}