/* ============================================================
   Lineas component: 3-card grid, each card a hover-reveal
   image tile linking to a business line.
   ============================================================ */

.lineas {
  background: var(--bg);
  padding: 2.5rem var(--pad-x) 7.5rem;
}
.lineas__inner {
  max-width: var(--max-width);
  margin: 0 auto;
}
.lineas__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
@media (max-width: 980px) {
  .lineas__grid {
    grid-template-columns: 1fr;
  }
}

.linea {
  position: relative;
  aspect-ratio: 3 / 4;
  background: var(--black);
  color: var(--white);
  overflow: hidden;
  border-radius: 4px;
  isolation: isolate;
}
.linea__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  filter: brightness(0.55) saturate(0.7);
  transition: all 1s var(--ease);
}
.linea:hover .linea__bg {
  transform: scale(1);
  filter: brightness(0.85) saturate(1.2);
}
.linea__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(20, 20, 20, 0.1) 0%, rgba(20, 20, 20, 0.85) 80%);
  transition: background 0.6s var(--ease);
}
.linea:hover .linea__overlay {
  background: linear-gradient(180deg, rgba(6, 96, 223, 0.3) 0%, rgba(6, 96, 223, 0.9) 85%);
}
.linea__content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2rem;
}
.linea__num {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  color: var(--green);
  font-variant-numeric: tabular-nums;
}
.linea__title {
  font-size: clamp(2.125rem, 3.4vw, 3.375rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  font-weight: 800;
}
.linea__desc {
  font-size: 0.9375rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.85);
  margin-top: 0.875rem;
  max-width: 30ch;
}
.linea__arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  margin-top: 1.375rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--green);
  letter-spacing: 0.01em;
  transition: gap 0.3s var(--ease);
}
.linea:hover .linea__arrow {
  gap: 1.125rem;
  color: var(--white);
}
.linea__arrow::after {
  content: '\2192';
}

@media (max-width: 640px) {
  .lineas {
    padding: 1.5rem var(--pad-x) 4.5rem;
  }
  .linea__desc {
    font-size: 1rem;
  }
}