/* ==================== PWA install guide (pwa-install page) ==================== */

.pwa-intro-lead {
    max-width: 42rem;
    margin: 1.25rem auto 0;
    font-size: 1.05rem;
    line-height: 1.65;
    color: var(--text-secondary);
    text-align: center;
}

/* ---- Section spacing ---- */

.pwa-install-section {
    padding-top: var(--space-lg);
}

.pwa-desktop-section {
    background: var(--bg-section-alt);
}

/* ---- Steps grid ---- */

.pwa-steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    max-width: 36rem;
    margin: var(--space-lg) auto 0;
}

.pwa-steps--desktop {
    max-width: 56rem;
    grid-template-columns: repeat(2, 1fr);
}

/* ---- Individual step card ---- */

.pwa-step {
    position: relative;
    padding: var(--space-lg) var(--space-lg) var(--space-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.pwa-step::before {
    display: none;
}

.pwa-step:hover {
    transform: none;
}

/* Step number */
.pwa-step__num {
    width: 2.25rem;
    height: 2.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--white);
    background: var(--primary);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    margin-bottom: var(--space-sm);
}

/* Screenshot wrapper */
.pwa-step__img-wrap {
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--gray-100);
}

.pwa-step__img {
    display: block;
    width: 100%;
    height: auto;
    vertical-align: middle;
}

/* Placeholder when image is missing */
.pwa-step__placeholder {
    min-height: 12rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, var(--gray-100) 0%, var(--gray-200) 100%);
    border-radius: var(--radius-md);
    border: 1px dashed var(--border);
}

.pwa-step__placeholder-text {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 600;
}

/* Caption */
.pwa-step__caption {
    margin-top: var(--space-md);
    font-size: 0.98rem;
    line-height: 1.55;
    color: var(--text-secondary);
}

/* ---- Notes ---- */

.pwa-note--mobile,
.pwa-note--desktop {
    margin-top: var(--space-xl);
    max-width: 40rem;
    margin-left: auto;
    margin-right: auto;
    font-size: 0.95rem;
    color: var(--text-muted);
    text-align: center;
}

/* ==================== RESPONSIVE ==================== */

@media (min-width: 640px) {
    .pwa-steps--mobile {
        grid-template-columns: repeat(2, 1fr);
        max-width: 56rem;
    }
}

@media (min-width: 960px) {
    .pwa-steps--mobile {
        grid-template-columns: repeat(3, 1fr);
        max-width: 72rem;
    }

    .pwa-steps--desktop {
        grid-template-columns: repeat(2, 1fr);
        max-width: 64rem;
    }
}

@media (max-width: 639px) {
    .pwa-steps--desktop {
        grid-template-columns: 1fr;
        max-width: 28rem;
    }

    .pwa-step {
        padding: var(--space-md);
    }
}