/* About page — theme-aware market-lite (light/dark). */

.about-page {
    max-width: 1080px;
    padding-top: 2.5rem;
    padding-bottom: 4rem;
    color: var(--text-primary);
}

/* ---------------- Hero ---------------- */

.about-hero {
    text-align: center;
    padding: 2rem 0 3rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 2.5rem;
}

.about-kicker {
    color: var(--text-secondary);
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.about-title {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.about-lede {
    max-width: 640px;
    margin: 0 auto 1.5rem;
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.6;
}

.about-lede strong {
    color: var(--text-primary);
}

.about-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

/* ---------------- Section scaffolding ---------------- */

.about-section {
    padding: 2.25rem 0;
    border-bottom: 1px solid var(--border-color);
}

.about-section:last-of-type {
    border-bottom: none;
}

.about-section-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

.about-section-lede {
    color: var(--text-secondary);
    max-width: 720px;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.about-section code {
    background: var(--background-secondary);
    color: var(--text-primary);
    padding: 0.1em 0.35em;
    border-radius: 4px;
    font-size: 0.9em;
}

.about-section a {
    color: var(--text-primary);
    text-decoration: underline;
}

.about-section a:hover {
    opacity: 0.8;
}

/* ---------------- How it works ---------------- */

.about-steps {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .about-steps {
        grid-template-columns: repeat(3, 1fr);
    }
}

.about-steps li {
    display: flex;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--background-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    align-items: flex-start;
}

.about-step-num {
    flex: 0 0 auto;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
    background: var(--background-tertiary);
    color: var(--text-primary);
}

.about-steps h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin: 0 0 0.35rem;
    color: var(--text-primary);
}

.about-steps p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.5;
    font-size: 0.95rem;
}

/* ---------------- Feature cards ---------------- */

.about-feature-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
}

@media (min-width: 576px) {
    .about-feature-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 992px) {
    .about-feature-grid { grid-template-columns: repeat(4, 1fr); }
}

.about-feature {
    padding: 1.1rem 1.15rem;
    background: var(--background-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
}

.about-feature h3 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 0.4rem;
    color: var(--text-primary);
}

.about-feature p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* ---------------- Supported stores ---------------- */

.about-stores {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.about-stores-loading,
.about-stores-error {
    color: var(--text-secondary);
    font-style: italic;
}

.about-store-region {
    /* a single region block */
}

.about-store-region-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.about-store-region-count {
    color: var(--text-secondary);
    font-weight: 400;
    font-size: 0.85rem;
}

.about-store-grid {
    display: grid;
    gap: 0.75rem;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

.about-store-card {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    padding: 0.7rem 0.85rem;
    background: var(--background-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    min-height: 56px;
}

a.about-store-card {
    color: inherit;
    text-decoration: none;
}

a.about-store-card:hover,
a.about-store-card:focus-visible {
    border-color: var(--text-primary);
    color: inherit;
    text-decoration: none;
}

.about-store-logo {
    width: 36px;
    height: 36px;
    flex: 0 0 auto;
    object-fit: contain;
    background: #ffffff;
    border-radius: 6px;
    padding: 2px;
    margin-top: 0.1rem;
}

.about-store-meta {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    min-width: 0;
}

.about-store-name {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
    overflow-wrap: anywhere;
}

.about-store-ships {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
}

.about-store-chip {
    display: inline-block;
    font-size: 0.68rem;
    letter-spacing: 0.03em;
    padding: 1px 6px;
    border-radius: 999px;
    background: var(--background-tertiary);
    color: var(--text-primary);
    line-height: 1.4;
}

[data-theme="dark"] .about-store-chip {
    color: var(--background-primary);
}

/* ---------------- FAQ ---------------- */

.about-faq {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.about-faq details {
    background: var(--background-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.6rem 0.9rem;
}

.about-faq details[open] {
    padding-bottom: 0.9rem;
}

.about-faq summary {
    cursor: pointer;
    list-style: none;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 0.5rem 1.5rem 0.5rem 0;
    position: relative;
}

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

.about-faq summary::after {
    content: "+";
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    font-weight: 400;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.about-faq details[open] summary::after {
    content: "\2212"; /* minus */
}

.about-faq p {
    margin: 0.6rem 0 0;
    color: var(--text-secondary);
    line-height: 1.55;
}

/* ---------------- Contact ---------------- */

.about-thanks {
    color: var(--text-secondary);
    font-style: italic;
    margin-top: 0.5rem;
}

/* ---------------- Market-lite design accents ---------------- */

html[data-design="market-lite"] .about-kicker {
    color: var(--ml-green, var(--text-secondary));
    font-weight: 500;
}

html[data-design="market-lite"] .about-title {
    font-family: 'Inter', system-ui, sans-serif;
    letter-spacing: -0.02em;
}

html[data-design="market-lite"] .about-step-num {
    border-color: var(--ml-green, var(--border-color));
    color: var(--ml-green, var(--text-primary));
}

html[data-design="market-lite"] .about-section code {
    color: var(--ml-blue, var(--text-primary));
    font-family: ui-monospace, monospace;
}