/**
 * Sección Patrocinantes
 * Referencia: docs/referencia-visual.png
 */

.sponsors {
  padding: calc(var(--esac-section-padding-y) / 2) 0 calc(var(--esac-section-padding-y) / 2);
  background-color: var(--esac-color-bg);
}

.sponsors__frame {
  position: relative;
  padding: clamp(2.65rem, 4.2vw, 3.35rem) clamp(1rem, 2vw, 1.5rem)
    clamp(1.25rem, 2.5vw, 1.75rem);
  border: none;
  border-radius: 0.85rem;
  background-color: var(--esac-color-bg);
  box-shadow: none;
}

.sponsors__frame::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: inherit;
  padding: 2.5px;
  background-image: linear-gradient(
    90deg,
    var(--esac-color-primary) 0%,
    var(--esac-color-primary) 4%,
    var(--esac-color-4) 9%,
    var(--esac-color-4) 13%,
    var(--esac-color-primary) 18%,
    var(--esac-color-primary) 30%,
    var(--esac-color-4) 33%,
    var(--esac-color-4) 36%,
    rgba(114, 108, 105, 0.5) 40%,
    rgba(114, 108, 105, 0.22) 45%,
    rgba(114, 108, 105, 0.05) 50%,
    rgba(114, 108, 105, 0.22) 55%,
    rgba(114, 108, 105, 0.5) 60%,
    var(--esac-color-4) 64%,
    var(--esac-color-4) 67%,
    var(--esac-color-primary) 70%,
    var(--esac-color-primary) 82%,
    var(--esac-color-4) 87%,
    var(--esac-color-4) 91%,
    var(--esac-color-primary) 96%,
    var(--esac-color-primary) 100%
  );
  opacity: 0.38;
  pointer-events: none;
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

.sponsors__heading-wrap {
  position: absolute;
  top: 0.55rem;
  left: 50%;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(0.75rem, 2vw, 1.25rem);
  width: min(92%, 42rem);
  padding: 0 0.75rem;
  transform: translateX(-50%);
  background: none;
}

.sponsors__heading-line {
  flex: 1;
  height: 2.5px;
  opacity: 0.38;
  background: linear-gradient(
    90deg,
    var(--esac-color-primary) 0%,
    var(--esac-color-4) 16%,
    var(--esac-color-4) 24%,
    var(--esac-color-primary) 34%,
    var(--esac-color-4) 48%,
    rgba(114, 108, 105, 0.4) 62%,
    rgba(114, 108, 105, 0.08) 88%
  );
}

.sponsors__heading-line:last-child {
  background: linear-gradient(
    90deg,
    rgba(114, 108, 105, 0.08) 12%,
    rgba(114, 108, 105, 0.4) 38%,
    var(--esac-color-4) 52%,
    var(--esac-color-primary) 66%,
    var(--esac-color-4) 76%,
    var(--esac-color-4) 84%,
    var(--esac-color-primary) 100%
  );
}

.sponsors__title {
  margin: 0;
  color: #ffffff;
  font-family: var(--esac-font-family-nav);
  font-size: clamp(1.1rem, 1.8vw, 1.55rem);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0.05em;
  line-height: 1.1;
  text-align: center;
  text-transform: uppercase;
  white-space: nowrap;
}

.sponsors__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(0.75rem, 1.5vw, 1.25rem);
  margin-top: 0.5rem;
}

.sponsors__item {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: clamp(5.5rem, 10vw, 7.5rem);
  padding: clamp(0.85rem, 1.5vw, 1.25rem);
  border-radius: 0.65rem;
  background: rgba(0, 0, 0, 0.45);
}

.sponsors__item--accent {
  border: 1px solid rgba(152, 10, 8, 0.55);
  box-shadow:
    0 0 16px rgba(152, 10, 8, 0.22),
    inset 0 0 0 1px rgba(255, 120, 120, 0.06);
}

.sponsors__item--blue {
  border: 1px solid rgba(70, 130, 220, 0.45);
  box-shadow:
    0 0 16px rgba(70, 130, 220, 0.18),
    inset 0 0 0 1px rgba(140, 180, 255, 0.06);
}

.sponsors__link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  text-decoration: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.sponsors__link:hover,
.sponsors__link:focus-visible {
  opacity: 0.9;
  transform: translateY(-1px);
}

.sponsors__logo {
  display: block;
  width: min(100%, 14rem);
  max-height: clamp(3.5rem, 6vw, 5rem);
  height: auto;
  object-fit: contain;
}

@media (max-width: 767.98px) {
  .sponsors__grid {
    grid-template-columns: 1fr;
    max-width: 22rem;
    margin-inline: auto;
  }

  .sponsors__heading-wrap {
    width: min(96%, 24rem);
  }

  .sponsors__title {
    white-space: normal;
    font-size: clamp(1rem, 4.5vw, 1.35rem);
  }
}