/* ============================================================================
   BUILDER HOWTO — "Zo werkt het" stappen-stepper
   Losse kaarten met oplopende accent-tint (links licht → rechts intenser) +
   chevron-connectors ertussen → visuele progressie naar "Bestellen".
   Server-side, CLS-proof. Mirror van de HowTo JSON-LD (SEO::get_howto_steps).
   Versioned dir (partials-v135) = Cloudflare cache-bust.
   ============================================================================ */

.builder-howto {
    margin-top: clamp(2rem, 4vw, 3rem);
}

.builder-howto__heading {
    margin: 0 0 clamp(1rem, 2vw, 1.5rem);
    font-size: clamp(1.125rem, 1.2vw + 0.8rem, 1.5rem);
    font-weight: 700;
    line-height: 1.25;
    color: var(--text-primary);
}

.builder-howto__steps {
    --howto-gap: clamp(0.75rem, 1.8vw, 1.25rem);
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--howto-gap);
}

/* Media query alleen voor layout-wissel (1 → 4 kolommen) */
@media (min-width: 900px) {
    .builder-howto__steps {
        grid-template-columns: repeat(4, 1fr);
    }
}

.builder-howto__step {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    padding: clamp(1.1rem, 2vw, 1.5rem);
    border: 1px solid var(--border);
    border-radius: 12px;
    background-color: var(--bg-secondary);
    box-shadow: 0 2px 8px color-mix(in srgb, var(--text-primary) 6%, transparent);
}

/* Oplopende accent-tint links → rechts (highlight van de progressie).
   color-mix werkt in light én dark mode: accent is donker in light-mode,
   licht in dark-mode, maar de intensiteit neemt in beide gevallen toe. */
.builder-howto__step:nth-child(1) { background-color: color-mix(in srgb, var(--accent) 5%,  var(--bg-secondary)); }
.builder-howto__step:nth-child(2) { background-color: color-mix(in srgb, var(--accent) 11%, var(--bg-secondary)); }
.builder-howto__step:nth-child(3) { background-color: color-mix(in srgb, var(--accent) 18%, var(--bg-secondary)); }
.builder-howto__step:nth-child(4) { background-color: color-mix(in srgb, var(--accent) 27%, var(--bg-secondary)); }

/* Chevron-connector in de tussenruimte (alleen desktop, horizontale rij) */
@media (min-width: 900px) {
    .builder-howto__step:not(:last-child)::after {
        content: "";
        position: absolute;
        top: clamp(1.95rem, 2vw + 1.1rem, 2.4rem);
        right: calc(var(--howto-gap) / -2);
        width: 0.5rem;
        height: 0.5rem;
        border-top: 2px solid var(--accent);
        border-right: 2px solid var(--accent);
        transform: translate(50%, -50%) rotate(45deg);
        opacity: 0.6;
    }
}

.builder-howto__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    font-size: 1rem;
    font-weight: 700;
    color: var(--bg-primary);
    background-color: var(--accent);
}

.builder-howto__title {
    margin: 0;
    font-size: clamp(0.9375rem, 1vw + 0.5rem, 1.0625rem);
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
}

.builder-howto__text {
    margin: 0;
    font-size: clamp(0.8125rem, 0.8vw + 0.45rem, 0.875rem);
    line-height: 1.5;
    color: var(--text-secondary);
}