.rs-section { margin-block-start: 48px; margin-block-end: 32px; }
.rs-section__title { font-size: 1.35rem; font-weight: 800; color: var(--text); margin-block-end: 24px; border-inline-start: 3px solid var(--teal); padding-inline-start: 12px; }
.rs-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 640px) { .rs-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .rs-grid { grid-template-columns: repeat(4, 1fr); } }
.rs-card { display: flex; flex-direction: column; background: var(--surface, #fff); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; text-decoration: none; color: inherit; transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s; }
.rs-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--teal); }
.rs-card__hero { background: var(--navy); padding: 16px; display: flex; align-items: center; gap: 12px; min-height: 70px; }
.rs-card__ticker { font-size: 20px; font-weight: 800; color: var(--teal-bright, var(--teal-light)); letter-spacing: 0.5px; }
.rs-card__name { font-size: 11px; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rs-card__body { padding: 14px; flex: 1; display: flex; flex-direction: column; gap: 8px; }
.rs-card__title { font-size: 0.88rem; font-weight: 700; color: var(--text); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin: 0; }
.rs-card:hover .rs-card__title { color: var(--teal); }
.rs-card__price-row { display: flex; align-items: baseline; gap: 8px; }
.rs-card__price { font-size: 1.1rem; font-weight: 800; color: var(--navy); }
.rs-card__change { font-size: 0.75rem; font-weight: 700; padding: 2px 6px; border-radius: 4px; }
.rs-card__change.up { color: var(--green); background: rgba(22,163,74,0.08); }
.rs-card__change.dn { color: var(--danger); background: rgba(220,38,38,0.08); }
.rs-card__cta { font-size: 0.78rem; font-weight: 600; color: var(--teal); margin-block-start: auto; }
.rs-card:hover .rs-card__cta { text-decoration: underline; }
.rs-card__footer { display: flex; align-items: center; justify-content: space-between; padding-block-start: 8px; border-block-start: 1px solid var(--border); font-size: 0.7rem; color: var(--text-3, var(--text-muted)); }

/* ── Mobile breakpoints ── */
@media (max-width: 768px) {
    .rs-section { margin-block-start: 36px; margin-block-end: 24px; }
    .rs-section__title { font-size: 1.2rem; margin-block-end: 18px; }
    .rs-card__hero { padding: 12px; gap: 10px; min-height: 60px; }
    .rs-card__ticker { font-size: 18px; }
    .rs-card__body { padding: 12px; gap: 6px; }
    .rs-card__title { font-size: 0.84rem; }
    .rs-card__price { font-size: 1rem; }
}

@media (max-width: 480px) {
    .rs-section { margin-block-start: 28px; margin-block-end: 16px; }
    .rs-section__title { font-size: 1.1rem; margin-block-end: 14px; padding-inline-start: 10px; }
    .rs-grid { gap: 12px; }
    .rs-card { border-radius: 10px; }
    .rs-card__hero { padding: 10px 12px; gap: 8px; min-height: 54px; }
    .rs-card__ticker { font-size: 16px; }
    .rs-card__name { font-size: 10px; }
    .rs-card__body { padding: 10px 12px; gap: 5px; }
    .rs-card__title { font-size: 0.82rem; }
    .rs-card__price { font-size: 0.95rem; }
    .rs-card__change { font-size: 0.7rem; }
    .rs-card__cta { font-size: 0.74rem; }
}