/* Leadership Grid section.
   Card grid of TWG leaders. 3 columns at desktop, 2 at 900px, 1 at
   560px. Each card: square headshot on top, body beneath with
   department tag, name, role, bio excerpt, and LinkedIn link.
   Matches the site's light-theme card vocabulary (stage-map cards,
   resource-rail cards, sovereign-charter cells). */

.leadership-grid {
  position: relative;
  padding-block: clamp(3rem, 6vw, 5rem);
}

.leadership-grid > .container { position: relative; }

.leadership-grid__intro {
  max-width: 56rem;
  margin: 0 0 clamp(1.75rem, 3vw, 2.5rem);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
}

.leadership-grid__heading {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.4vw, 2.5rem);
  font-weight: var(--font-weight-display);
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--color-foreground);
  max-width: 42rem;
  margin: 0;
  text-wrap: balance;
  text-transform: capitalize;
}

.leadership-grid__deck {
  font-size: var(--fs-lg);
  line-height: 1.45;
  color: var(--color-muted-foreground);
  margin: 0;
  max-width: 60ch;
}

.leadership-grid__empty {
  color: var(--color-muted-foreground);
  font-style: italic;
}

/* --- Card grid --------------------------------------------------- */

.leadership-grid__cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 2.5vw, 1.5rem);
}

.leadership-grid__card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--color-card, #fff);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 1px 2px rgb(16 17 20 / 4%);
  transition:
    transform var(--dur-med) var(--ease),
    box-shadow var(--dur-med) var(--ease),
    border-color var(--dur-fast) var(--ease);
}

/* Brand-gradient ring overlay on hover. Same mask-composite pattern
   as the stage-map and resource-rail cards so the site's card
   vocabulary stays consistent. */
.leadership-grid__card::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: calc(var(--radius-lg) + 1px);
  padding: 1px;
  background: var(--brand-gradient);
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--dur-med) var(--ease);
  pointer-events: none;
}

.leadership-grid__card:hover,
.leadership-grid__card:focus-within {
  transform: translateY(-3px);
  border-color: transparent;
  box-shadow:
    0 12px 28px -14px color-mix(in srgb, var(--brand-teal) 55%, transparent),
    0 6px 14px -8px color-mix(in srgb, var(--brand-blue) 30%, transparent),
    0 1px 2px rgb(16 17 20 / 6%);
}

.leadership-grid__card:hover::after,
.leadership-grid__card:focus-within::after {
  opacity: 1;
}

/* --- Headshot ---------------------------------------------------- */

.leadership-grid__photo-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: color-mix(in srgb, var(--color-foreground) 4%, var(--color-card, #fff));
  overflow: hidden;
}

.leadership-grid__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  transition: transform var(--dur-med) var(--ease);
}

.leadership-grid__card:hover .leadership-grid__photo {
  transform: scale(1.03);
}

.leadership-grid__photo-placeholder {
  position: absolute;
  inset: 0;
  background: color-mix(in srgb, var(--color-foreground) 8%, transparent);
}

/* --- Body -------------------------------------------------------- */

.leadership-grid__body {
  padding: 1.125rem 1.25rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-width: 0;
  flex: 1;
}

.leadership-grid__dept {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.1875rem 0.5rem;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--brand-teal) 10%, transparent);
  color: var(--brand-teal);
  border: 1px solid color-mix(in srgb, var(--brand-teal) 20%, transparent);
  white-space: nowrap;
}

/* Department-specific tints. Subtle variations so the eye can scan
   the grid for roles. Department names come from team.json so they
   are stable across the lifecycle of this page. */
.leadership-grid__dept--executive {
  background: color-mix(in srgb, var(--brand-teal) 14%, transparent);
  color: color-mix(in srgb, var(--brand-teal) 80%, var(--color-foreground));
  border-color: color-mix(in srgb, var(--brand-teal) 28%, transparent);
}
.leadership-grid__dept--technology {
  background: color-mix(in srgb, var(--brand-blue) 10%, transparent);
  color: color-mix(in srgb, var(--brand-blue) 80%, var(--color-foreground));
  border-color: color-mix(in srgb, var(--brand-blue) 25%, transparent);
}

.leadership-grid__name {
  margin: 0.125rem 0 0;
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: var(--font-weight-display);
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--color-foreground);
}

.leadership-grid__role {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.4;
  color: color-mix(in srgb, var(--brand-teal) 55%, var(--color-muted-foreground));
  font-weight: var(--font-weight-medium);
}

.leadership-grid__bio {
  margin: 0.25rem 0 0;
  font-size: var(--fs-sm);
  line-height: 1.55;
  color: var(--color-foreground);
  /* Clamp to a stable height so cards in a row line up regardless
     of bio length. Each card still keeps its natural LinkedIn link
     position via flex-column + margin-top: auto below. */
  display: -webkit-box;
  -webkit-line-clamp: 5;
  line-clamp: 5;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.leadership-grid__bio--placeholder {
  font-style: italic;
  color: var(--color-muted-foreground);
}

.leadership-grid__linkedin {
  margin-top: auto;
  padding-top: 0.875rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.02em;
  color: var(--brand-teal);
  text-decoration: none;
  border-top: 1px solid color-mix(in srgb, var(--color-border) 70%, transparent);
  align-self: stretch;
  transition: color var(--dur-fast) var(--ease);
}

.leadership-grid__linkedin:hover {
  color: color-mix(in srgb, var(--brand-teal) 70%, var(--color-foreground));
}

/* --- Responsive --------------------------------------------------- */

@media (max-width: 900px) {
  .leadership-grid__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .leadership-grid__cards {
    grid-template-columns: 1fr;
  }
  .leadership-grid__body {
    padding: 1rem 1rem 1.125rem;
  }
}