/**
 * TARS Sponsor Logo Grid — Styles
 * Structural CSS only; colours/sizes controlled by Elementor.
 */

/* ── Section Heading ──────────────────── */
.tsg-heading {
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-weight: 600;
  color: #7A93A8;
  margin-bottom: 20px;
}

/* ── Grid container ───────────────────── */
.tsg-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr); /* overridden by Elementor responsive control */
  gap: 2px;
  width: 100%;
}

/* ── Logo wrapper ─────────────────────── */
.tsg-logo {
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

/* Lift animation on hover */
.tsg-logo--lift {
  transition: transform 0.25s ease;
}
.tsg-logo--lift:hover {
  transform: translateY(-3px);
}

/* ── Logo inner cell ──────────────────── */
.tsg-logo__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100px;            /* overridden by Elementor slider */
  padding: 16px 20px;
  background: #ffffff;
  border: 1px solid rgba(0, 184, 200, 0.15);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition:
    background 0.25s ease,
    border-color 0.25s ease,
    box-shadow 0.25s ease;
  box-sizing: border-box;
}

/* Top accent bar pseudo-element */
.tsg-logo__inner--accent::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;                /* overridden by Elementor slider */
  background-color: #00B8C8;  /* overridden by Elementor color */
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.tsg-logo:hover .tsg-logo__inner--accent::before {
  transform: scaleX(1);
}

/* ── Logo image ───────────────────────── */
.tsg-logo__img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 75%;    /* overridden by Elementor */
  max-height: 75%;   /* overridden by Elementor */
  object-fit: contain;
  opacity: 0.7;      /* overridden by Elementor */
  transition:
    filter 0.3s ease,
    opacity 0.3s ease,
    transform 0.3s ease;
}

/* Greyscale state */
.tsg-logo__inner--gray .tsg-logo__img {
  filter: grayscale(100%) brightness(0.85);
}

/* Hover: reveal full colour */
.tsg-logo:hover .tsg-logo__inner--gray .tsg-logo__img {
  filter: grayscale(0%) brightness(1);
  opacity: 1;
}

/* Non-gray hover: just opacity */
.tsg-logo:hover .tsg-logo__img {
  opacity: 1;
}

/* ── Caption label ────────────────────── */
.tsg-logo__label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  color: #7A93A8;
  margin-top: 6px;
  text-align: center;
  line-height: 1.3;
}

/* ── Responsive fallbacks ─────────────── */
@media (max-width: 1024px) {
  .tsg-grid {
    grid-template-columns: repeat(3, 1fr);  /* overridden by Elementor tablet */
  }
}

@media (max-width: 767px) {
  .tsg-grid {
    grid-template-columns: repeat(2, 1fr);  /* overridden by Elementor mobile */
  }
}

@media (max-width: 380px) {
  .tsg-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .tsg-logo__inner {
    height: 72px;
    padding: 10px 12px;
  }
}