/**
 * Pattern 5: Governance / Trust Block
 * ====================================
 *
 * Dark teal section with a 4-column grid of proof cards.
 * Responsive: 4-col desktop → 2x2 tablet → stacked mobile.
 *
 * Dependencies: custom-tokens.css, global-classes.css
 * Requirements: 12.1, 12.2, 12.3, 12.4
 */

/* ---------------------------------------------------------------------------
   SECTION HEADER
   --------------------------------------------------------------------------- */

.x-trust-block__header {
    text-align: center;
    margin-bottom: var(--x-space-xl);
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.x-trust-block__heading {
    font-family: var(--x-font-heading);
    font-weight: 800;
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    line-height: 1.15;
    color: var(--x-white);
    margin: 0 0 var(--x-space-sm) 0;
}

.x-trust-block__subtext {
    font-family: var(--x-font-body);
    font-size: 1.0625rem;
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.85);
    margin: 0;
}

/* ---------------------------------------------------------------------------
   4-COLUMN GRID (Desktop ≥992px)
   --------------------------------------------------------------------------- */

.x-trust-block__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--x-space-md);
}

/* ---------------------------------------------------------------------------
   CARD OVERRIDES FOR TRUST BLOCK CONTEXT
   --------------------------------------------------------------------------- */

.x-trust-block .x-card.x-card-proof {
    background: rgba(255, 255, 255, 0.06);
    border: 2px solid var(--x-teal-700);
    border-radius: var(--x-radius-lg);
    padding: var(--x-space-md);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.x-trust-block .x-card.x-card-proof:hover {
    border-color: var(--x-orange-500);
    box-shadow: 0 4px 20px rgba(242, 106, 27, 0.12);
    transform: translateY(-2px);
}

/* Icon sticker adjustments on dark background */
.x-trust-block .x-icon-sticker {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--x-teal-700);
    color: var(--x-orange-500);
    margin-bottom: var(--x-space-xs);
}

.x-trust-block .x-icon-sticker:hover {
    border-color: var(--x-orange-500);
}

/* Text colors on dark background */
.x-trust-block .x-card-proof__title {
    font-family: var(--x-font-heading);
    font-weight: 800;
    font-size: 1.125rem;
    line-height: 1.3;
    color: var(--x-white);
    margin: 0 0 var(--x-space-xs) 0;
}

.x-trust-block .x-card-proof__text {
    font-family: var(--x-font-body);
    font-size: 0.9375rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.85);
    margin: 0;
}

/* ---------------------------------------------------------------------------
   RESPONSIVE: TABLET (768px – 991px) → 2x2 grid
   --------------------------------------------------------------------------- */

@media (max-width: 991px) and (min-width: 768px) {
    .x-trust-block__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--x-space-md);
    }
}

/* ---------------------------------------------------------------------------
   RESPONSIVE: MOBILE (<768px) → stacked single column
   --------------------------------------------------------------------------- */

@media (max-width: 767px) {
    .x-trust-block__grid {
        grid-template-columns: 1fr;
        gap: var(--x-space-sm);
    }

    .x-trust-block__header {
        margin-bottom: var(--x-space-lg);
        text-align: left;
    }

    .x-trust-block .x-card.x-card-proof {
        padding: var(--x-space-sm) var(--x-space-md);
    }
}