/*
 * SBN Developer Notes.
 * Scope: how-it-works card grid styles.
 * Used by: home, membership, business-networking page, patterns.
 * Edit risk: medium; card classes are reused across pages.
 * QA: equal heights, hover states, 2/3/4 card rows, mobile stacking.
 */

.sbn-section {
    padding: var(--sbn-section-space) var(--sbn-dynamic-edge);
    background: transparent;
}

.sbn-section h2 {
    font-family: var(--sbn-serif);
    font-size: clamp(34px, 4vw, 52px);
    font-weight: 400;
    color: var(--sbn-navy);
    line-height: 1.1;
    margin: 0 0 16px;
}

.sbn-how > .sbn-section-label,
.sbn-how > h2,
.sbn-how > .sbn-section-intro,
.sbn-how > .sbn-how-grid {
    max-width: var(--sbn-max-width);
    margin-left: auto;
    margin-right: auto;
}

.sbn-section h2 em {
    font-style: italic;
    color: var(--sbn-gold);
}

.sbn-section-intro {
    font-size: 17px;
    line-height: 1.65;
    max-width: 520px;
    margin-bottom: var(--sbn-space-lg);
    color: var(--sbn-ink);
    opacity: 0.82;
}

.sbn-how-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--sbn-gutter);
}

.sbn-how-card {
    padding: var(--sbn-space-md) var(--sbn-space-md);
    background: #fff;
    border: 1px solid var(--sbn-mist-soft);
    border-radius: var(--sbn-radius-card);
    box-shadow: var(--sbn-shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s;
}

.sbn-how-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--sbn-shadow-md);
}

.sbn-how-num {
    font-family: var(--sbn-serif);
    font-size: 54px;
    color: rgba(195, 204, 210, 0.6);
    line-height: 1;
    margin-bottom: 18px;
    font-weight: 400;
}

.sbn-how-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--sbn-navy);
    margin-bottom: 10px;
}

.sbn-how-body {
    font-size: 14px;
    color: var(--sbn-ink);
    line-height: 1.65;
    opacity: 0.8;
}

@media (max-width: 760px) {
    .sbn-how-card {
        padding: var(--sbn-space-md) var(--sbn-space-sm);
    }
}

@media (max-width: 768px) {
    .sbn-how-grid {
        grid-template-columns: 1fr;
    }

    .sbn-how-num {
        font-size: clamp(42px, 13vw, 68px);
    }

    .sbn-how-title {
        font-size: 18px;
    }

    .sbn-how-body {
        font-size: 16px;
    }
}