/* =============================================================
   How It Works — Step Cards
   Depends on variables.css being loaded first.
   ============================================================= */

.steps-container {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    grid-template-rows: auto auto auto;
    gap: 0;
    max-width: var(--max-width-wide);
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

/* Card placement: 1st card at col 1, connector at col 2, 2nd card at col 3, etc */
.step-card:nth-child(1) { grid-column: 1; }
.step-connector:nth-child(2) { grid-column: 2; }
.step-card:nth-child(3) { grid-column: 3; }
.step-connector:nth-child(4) { grid-column: 4; }
.step-card:nth-child(5) { grid-column: 5; }

/* --- Step card -------------------------------------------- */

.step-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-6);
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: subgrid;
    grid-row: span 3;
    gap: var(--spacing-4);
    align-items: start;
    justify-items: center;
    text-align: center;
    transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.step-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

/* --- Step number badge ------------------------------------ */

.step-number {
    width: var(--size-avatar);
    height: var(--size-avatar);
    border-radius: var(--radius-full);
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.step-card h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin: 0;
}

.step-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: var(--line-height-normal);
    margin: 0;
}

/* --- Connector arrow between steps ----------------------- */

.step-connector {
    display: grid;
    place-items: center;
    grid-row: 2; /* middle row of the 3 rows */
    color: var(--color-gray-300);
    font-size: var(--font-size-xl);
    user-select: none;
}

/* --- Responsive ------------------------------------------ */

@media (max-width: 1024px) {
    .steps-container {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-4);
    }

    .step-card {
        padding: var(--spacing-4);
    }

    .step-number {
        width: 2rem;
        height: 2rem;
        font-size: var(--font-size-base);
    }

    .step-card h3 {
        font-size: var(--font-size-base);
    }

    .step-card p {
        font-size: var(--font-size-xs);
    }

    .step-connector {
        font-size: var(--font-size-lg);
    }
}

@media (max-width: 768px) {
    .steps-container {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        gap: var(--spacing-3);
        padding: 0 var(--spacing-3);
    }

    .step-card:nth-child(1) { grid-column: 1; grid-row: auto; }
    .step-connector:nth-child(2) { grid-column: 1; grid-row: auto; }
    .step-card:nth-child(3) { grid-column: 1; grid-row: auto; }
    .step-connector:nth-child(4) { grid-column: 1; grid-row: auto; }
    .step-card:nth-child(5) { grid-column: 1; grid-row: auto; }

    .step-card {
        width: 100%;
        padding: var(--spacing-3);
        grid-row: span 1;
        grid-template-rows: auto auto auto;
        gap: var(--spacing-2);
    }

    .step-number {
        width: 1.75rem;
        height: 1.75rem;
        font-size: var(--font-size-sm);
    }

    .step-card h3 {
        font-size: var(--font-size-sm);
        margin: 0;
    }

    .step-card p {
        font-size: var(--font-size-xs);
        margin: 0;
    }

    .step-connector {
        padding: var(--spacing-2) 0;
        font-size: var(--font-size-lg);
        grid-row: auto;
        transform: rotate(90deg);
    }
}