/* ========================================
   USE-CASE LANDING PAGES (/rsvp-app/, /potluck-planner/, /family-reunion-planner/)
   Builds on base.css + legal.css; only adds what those pages need.
   ======================================== */
.usecase-intro {
    max-width: 760px;
    margin: 0 auto 44px;
    padding: 0 0 36px;
    font-size: 1.2rem;
    text-align: center;
    color: var(--text-main);
    border-bottom: 1px solid #eef0f3;
}

.usecase-section {
    background: white;
    padding: 50px 20px;
}

.usecase-section.alt {
    background: #f7f9fc;
}

.usecase-inner {
    max-width: 1000px;
    margin: 0 auto;
}

.usecase-inner > h2 {
    text-align: center;
    font-size: 2rem;
    color: var(--text-main);
    margin: 0 0 12px;
}

.usecase-inner > .lead {
    text-align: center;
    color: var(--text-muted);
    max-width: 680px;
    margin: 0 auto 30px;
}

/* Screenshot + copy rows */
.usecase-row {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 48px;
    align-items: center;
    margin: 0 auto 40px;
}

.usecase-row.reverse {
    grid-template-columns: 1fr 260px;
}

.usecase-row.reverse .usecase-shot {
    order: 2;
}

.usecase-shot img {
    width: 100%;
    height: auto;
    border-radius: 28px;
    border: 1px solid #e5e7eb;
    box-shadow: var(--shadow-lg);
    display: block;
}

/* Screenshot failed to load: drop the image column, keep the copy full width */
.usecase-row.no-shot,
.usecase-row.reverse.no-shot {
    grid-template-columns: 1fr;
    max-width: 760px;
}

.usecase-row.no-shot .usecase-shot {
    display: none;
}

.usecase-copy h3 {
    font-size: 1.5rem;
    color: var(--text-main);
    margin: 0 0 10px;
}

.usecase-copy ul {
    padding-left: 20px;
    margin: 10px 0 0;
}

/* Numbered steps */
.usecase-steps {
    counter-reset: step;
    list-style: none;
    padding: 0;
    margin: 0 auto;
    max-width: 760px;
}

.usecase-steps li {
    counter-increment: step;
    position: relative;
    padding: 0 0 22px 56px;
}

.usecase-steps li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: 0;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.usecase-steps strong {
    color: var(--text-main);
}

/* Facts table */
.usecase-table {
    width: 100%;
    max-width: 760px;
    margin: 0 auto;
    border-collapse: collapse;
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.usecase-table th,
.usecase-table td {
    text-align: left;
    padding: 14px 18px;
    border-bottom: 1px solid #eef0f3;
    font-size: 1rem;
    vertical-align: top;
}

.usecase-table th {
    width: 38%;
    color: var(--text-main);
    font-weight: 600;
    background: #f9fbff;
}

.usecase-table td {
    color: #444;
}

/* FAQ with native <details> — readable without JavaScript */
.usecase-faq {
    max-width: 760px;
    margin: 0 auto;
}

.usecase-faq details {
    border-bottom: 1px solid #e5e7eb;
    padding: 4px 0;
}

.usecase-faq summary {
    cursor: pointer;
    list-style: none;
    padding: 16px 32px 16px 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-main);
    position: relative;
}

.usecase-faq summary::-webkit-details-marker {
    display: none;
}

.usecase-faq summary::after {
    content: '+';
    position: absolute;
    right: 4px;
    top: 12px;
    font-size: 1.5rem;
    color: var(--primary);
    transition: transform 0.2s;
}

.usecase-faq details[open] summary::after {
    transform: rotate(45deg);
}

.usecase-faq details p {
    margin: 0 0 16px;
    font-size: 1.05rem;
    color: #555;
}

/* Call to action */
.usecase-cta {
    text-align: center;
}

.usecase-cta .store-links {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin: 20px 0 10px;
}

.usecase-cta .small {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.related-links {
    text-align: center;
    margin-top: 24px;
}

.related-links a {
    margin: 0 10px;
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    white-space: nowrap;
}

@media (max-width: 760px) {
    .usecase-row,
    .usecase-row.reverse {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .usecase-row.reverse .usecase-shot {
        order: 0;
    }

    .usecase-shot {
        max-width: 240px;
        margin: 0 auto;
    }

    .usecase-inner > h2 {
        font-size: 1.6rem;
    }

    .usecase-table th {
        width: 45%;
    }
}