/* ============================================================
   PARTNERS — featured card + data-source grid
   ============================================================ */

.partners {
  padding: var(--section-pad);
  background: var(--color-surface);
}

.partner-featured__brand {
  font-family: var(--font-sans);
  font-size: 48px;
  color: var(--color-mint);
  font-weight: var(--fw-medium);
  line-height: 1;
  margin-bottom: 20px;
  letter-spacing: var(--ls-tight);
}

.partner-featured__pill {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--color-mint);
  background: var(--color-surface);
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  color: var(--color-mint);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Data source grid (2 cells side by side) */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
}

.partner-grid__cell {
  padding: var(--sp-lg) 28px;
  border-right: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--sp-lg);
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}

.partner-grid__cell:last-child { border-right: 0; }

.partner-grid__logo {
  position: relative;
  flex: 0 0 auto;
  width: 144px;
  height: 72px;
}

.partner-grid__logo-color,
.partner-grid__logo-mono {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: opacity 300ms ease;
}

/* Original colored logo — hidden by default, shown on hover */
.partner-grid__logo-color {
  opacity: 0;
}

/* Flat #B1B1B1 logo — brightness(0) flattens all visible pixels to black,
   invert(0.694) raises them to 177/255 ≈ #B1B1B1. Alpha is preserved. */
.partner-grid__logo-mono {
  filter: brightness(0) invert(0.694);
  opacity: 1;
}

.partner-grid__cell:hover .partner-grid__logo-color { opacity: 1; }
.partner-grid__cell:hover .partner-grid__logo-mono  { opacity: 0; }

.partner-grid__text {
  flex: 1;
  min-width: 0;
}

.partner-grid__cell .small {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: var(--fw-regular);
}

.partner-grid__name {
  font-family: var(--font-sans);
  font-size: 18px;
  color: var(--color-display);
  font-weight: 600;
  margin-bottom: 6px;
}

/* ───── Mobile (≤ 720px) ───── */
@media (max-width: 720px) {
  .partners {
    padding: 80px var(--sp-md);
  }

  /* Partner grid: 1 column, dividers run horizontally now */
  .partner-grid {
    grid-template-columns: 1fr;
  }
  .partner-grid__cell {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-md);
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }
  .partner-grid__cell:last-child {
    border-bottom: 0;
  }

  /* Hover-driven gray→color swap doesn't fire reliably on touch.
     Show the original colored logo, drop the gray layer entirely. */
  .partner-grid__logo-color { opacity: 1; }
  .partner-grid__logo-mono  { opacity: 0; }

  /* Hide partner name — logo already identifies the brand */
  .partner-grid__name { display: none; }

  /* Align logo with section lede text (drop the cell's left padding) */
  .partner-grid__cell {
    padding-left: 0;
  }

  /* Tighten header → partner-grid gap by ~20% (64px → 48px) */
  .partners .section-header {
    margin-bottom: var(--sp-2xl);
  }
}