.trx-grid-casos { padding-block: clamp(var(--space-7), 9vw, var(--space-9)); background: var(--bg-base); }

/* ── Head ─────────────────────────────────────────────────────────── */
.trx-grid-casos__head { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-5); align-items: end; margin-bottom: var(--space-7); padding-bottom: var(--space-5); border-bottom: 1px solid var(--line); }
@media (max-width: 720px) { .trx-grid-casos__head { grid-template-columns: 1fr; gap: var(--space-3); } }
.trx-grid-casos__title, .trx-grid-casos__title-result { font-family: var(--font-display); font-size: clamp(1.4rem, 2.6vw, 2rem); line-height: 1.2; letter-spacing: -0.015em; margin: var(--space-2) 0 0; color: var(--ink-primary); }
.trx-grid-casos__found { color: var(--accent); }

.trx-grid-casos__head-tools { display: inline-flex; align-items: center; gap: var(--space-2); padding: 4px; background: var(--bg-elevated); border: 1px solid var(--line); border-radius: var(--radius-pill); }
.trx-grid-casos__tools-label { padding: 0 10px; font-family: var(--font-mono); font-size: var(--fs-100); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-muted); border-right: 1px solid var(--line); }
.trx-grid-casos__tool { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: var(--radius-pill); color: var(--ink-muted); text-decoration: none; font-family: var(--font-mono); font-size: var(--fs-100); letter-spacing: 0.06em; text-transform: uppercase; transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out); }
.trx-grid-casos__tool:hover { color: var(--ink-primary); }
.trx-grid-casos__tool.is-active { background: var(--brand-primary); color: var(--bg-base); }

/* ── Container ────────────────────────────────────────────────────── */
.trx-grid-casos__container { display: grid; gap: var(--space-5); }
.trx-grid-casos[data-mode="grid"] .trx-grid-casos__container { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.trx-grid-casos[data-mode="list"] .trx-grid-casos__container { grid-template-columns: 1fr; gap: var(--space-3); }
@media (max-width: 1024px) { .trx-grid-casos[data-mode="grid"] .trx-grid-casos__container { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px)  { .trx-grid-casos[data-mode="grid"] .trx-grid-casos__container { grid-template-columns: 1fr; } }

/* ── Card ─────────────────────────────────────────────────────────── */
.trx-caso-card { opacity: 0; transform: translateY(16px); transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out); transition-delay: calc(var(--i, 0) * 50ms); }
.trx-caso-card.is-revealed { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .trx-caso-card { opacity: 1; transform: none; transition: none; } }

.trx-caso-card__link { display: grid; height: 100%; text-decoration: none; color: var(--ink-primary); background: var(--bg-elevated); border: 1px solid var(--line); border-radius: var(--radius-md); overflow: hidden; transition: border-color var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out); }
.trx-caso-card__link:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: 0 16px 36px rgba(10,26,47,0.08); }

.trx-grid-casos[data-mode="grid"] .trx-caso-card__link { grid-template-rows: auto 1fr; }
.trx-grid-casos[data-mode="list"] .trx-caso-card__link { grid-template-columns: 280px 1fr; }
@media (max-width: 640px) { .trx-grid-casos[data-mode="list"] .trx-caso-card__link { grid-template-columns: 1fr; } }

/* Media */
.trx-caso-card__media { position: relative; margin: 0; overflow: hidden; aspect-ratio: 4/3; background: var(--secondary-soft); }
.trx-grid-casos[data-mode="list"] .trx-caso-card__media { aspect-ratio: auto; height: 100%; min-height: 200px; }
.trx-caso-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 800ms var(--ease-out), filter var(--dur-base) var(--ease-out); }
.trx-caso-card__link:hover .trx-caso-card__media img { transform: scale(1.05); }
.trx-caso-card__num { position: absolute; top: var(--space-3); left: var(--space-3); font-family: var(--font-mono); font-size: var(--fs-100); letter-spacing: 0.2em; color: var(--bg-base); background: rgba(10,26,47,0.65); backdrop-filter: blur(6px); padding: 4px 10px; border-radius: var(--radius-pill); }
.trx-caso-card__buque { position: absolute; top: var(--space-3); right: var(--space-3); font-family: var(--font-mono); font-size: var(--fs-100); letter-spacing: 0.08em; text-transform: uppercase; color: #fff; background: var(--accent); padding: 4px 10px; border-radius: var(--radius-pill); }

/* Body */
.trx-caso-card__body { padding: var(--space-5); display: flex; flex-direction: column; gap: var(--space-4); flex: 1; }
.trx-grid-casos[data-mode="list"] .trx-caso-card__body { padding: var(--space-5) var(--space-6); }

.trx-caso-card__head { display: flex; flex-direction: column; gap: var(--space-2); }
.trx-caso-card__meta { margin: 0; font-family: var(--font-mono); font-size: var(--fs-100); letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-muted); display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.trx-caso-card__client { color: var(--ink-primary); }
.trx-caso-card__sector::before { content: '·'; margin-right: 6px; opacity: 0.5; }
.trx-caso-card__title { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.25rem, 1.7vw, 1.5rem); line-height: 1.15; letter-spacing: -0.015em; margin: 0; color: var(--ink-primary); }

/* Fields */
.trx-caso-card__fields { display: flex; flex-direction: column; gap: var(--space-3); padding-top: var(--space-3); border-top: 1px dashed var(--line); }
.trx-caso-card__field { margin: 0; display: flex; flex-direction: column; gap: 4px; font-size: var(--fs-200); line-height: 1.55; }
.trx-caso-card__field-label { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; }
.trx-caso-card__field--challenge .trx-caso-card__field-label { color: var(--ink-soft); }
.trx-caso-card__field--outcome   .trx-caso-card__field-label { color: var(--accent); }
.trx-caso-card__field-text { color: var(--ink-primary); }
.trx-caso-card__field--outcome .trx-caso-card__field-text { color: var(--ink-primary); font-weight: 500; }

/* Foot */
.trx-caso-card__foot { margin-top: auto; padding-top: var(--space-4); display: flex; align-items: end; justify-content: space-between; gap: var(--space-3); border-top: 1px solid var(--line); }
.trx-caso-card__foot-left { display: flex; align-items: end; gap: var(--space-4); }
.trx-caso-card__metric { display: flex; flex-direction: column; gap: 2px; }
.trx-caso-card__metric-value { font-family: var(--font-display); font-size: var(--fs-600); line-height: 1; color: var(--brand-primary); letter-spacing: -0.02em; }
.trx-caso-card__metric-label { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-muted); }
.trx-caso-card__time { font-family: var(--font-mono); font-size: var(--fs-100); letter-spacing: 0.08em; color: var(--ink-soft); align-self: end; padding-bottom: 4px; }
.trx-caso-card__read { font-family: var(--font-mono); font-size: var(--fs-100); letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); display: inline-flex; align-items: center; gap: 6px; align-self: end; padding-bottom: 4px; }
.trx-caso-card__read span { transition: transform var(--dur-fast) var(--ease-out); }
.trx-caso-card__link:hover .trx-caso-card__read span { transform: translateX(4px); }

/* ── Pagination ───────────────────────────────────────────────────── */
.trx-grid-casos__pagination { margin-top: var(--space-7); padding-top: var(--space-5); border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; }
.trx-grid-casos__pagination-status { font-family: var(--font-mono); font-size: var(--fs-100); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-muted); }
.trx-grid-casos__pagination-list { list-style: none; margin: 0; padding: 0; display: inline-flex; align-items: center; gap: 4px; }
.trx-grid-casos__pagination-list a, .trx-grid-casos__pagination-list span.current, .trx-grid-casos__pagination-list span.dots {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 38px; height: 38px; padding: 0 12px;
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  font-family: var(--font-mono); font-size: var(--fs-200);
  color: var(--ink-primary); text-decoration: none;
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.trx-grid-casos__pagination-list a:hover { border-color: var(--accent); color: var(--accent); }
.trx-grid-casos__pagination-list span.current { background: var(--brand-primary); color: var(--bg-base); border-color: var(--brand-primary); }
.trx-grid-casos__pagination-list span.dots { border-color: transparent; color: var(--ink-soft); }

/* ── Empty ────────────────────────────────────────────────────────── */
.trx-grid-casos__empty { padding: var(--space-8) var(--space-5); border: 1px dashed var(--line-strong); border-radius: var(--radius-md); text-align: center; display: flex; flex-direction: column; align-items: center; gap: var(--space-3); }
.trx-grid-casos__empty-title { font-family: var(--font-display); font-size: clamp(1.4rem, 3vw, 2rem); line-height: 1.15; margin: 0; color: var(--ink-primary); }
.trx-grid-casos__empty-note { color: var(--ink-muted); margin: 0; max-width: 56ch; line-height: 1.6; }
.trx-grid-casos__empty .trx-cta-row { margin-top: var(--space-4); justify-content: center; }