/* MunichTech EXPO — Partners & Sponsors logo wall (dark section, white logo cards) */

#mte-ecosystem-logos {
  --mte-eco-dark-0: var(--mte-bg-0);
  --mte-eco-dark-1: var(--mte-bg-2);
  --mte-eco-dark-2: var(--mte-bg-4);
  --mte-eco-accent: var(--mte-accent-2);
  --mte-eco-accent-light: var(--mte-accent);
  --mte-eco-muted: var(--mte-muted);
  /* Logo tiles stay white on the dark section — do not inherit --mte-card-bg. */
  --mte-logo-card: #ffffff;
  --mte-logo-card-border: rgba(15, 23, 42, 0.1);
  --mte-logo-card-glow: none;

  width: 100%;
  overflow: hidden;
  position: relative;
  z-index: 1;
  color: #e2e8f0;
  background: linear-gradient(
    180deg,
    var(--mte-eco-dark-0) 0%,
    var(--mte-eco-dark-1) 48%,
    var(--mte-eco-dark-2) 100%
  );
}

#mte-ecosystem-logos::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      ellipse 80% 45% at 50% 0%,
      rgba(0, 200, 255, 0.12) 0%,
      transparent 58%
    ),
    radial-gradient(
      ellipse 60% 40% at 85% 75%,
      rgba(47, 128, 237, 0.08) 0%,
      transparent 55%
    );
  pointer-events: none;
  z-index: 0;
}

#mte-ecosystem-logos > * {
  position: relative;
  z-index: 1;
}

#mte-ecosystem-logos img {
  display: block;
}

.mte-eco-logos__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: clamp(2.5rem, 5vw, 4rem) 1.5rem clamp(3rem, 6vw, 4.5rem);
}

/* —— Headline & subtitle —— */
.mte-eco-logos__title {
  text-align: center;
  font-size: clamp(1.75rem, 4.2vw, 2.85rem);
  font-weight: 800;
  line-height: 1.12;
  margin: 0 auto 1rem;
  max-width: 920px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  background: linear-gradient(
    135deg,
    var(--mte-accent) 0%,
    var(--mte-accent-2) 35%,
    var(--mte-accent-3) 70%,
    #ffffff 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.mte-eco-logos__subtitle {
  text-align: center;
  max-width: 720px;
  margin: 0 auto clamp(2rem, 3.5vw, 2.75rem);
  font-size: clamp(0.95rem, 1.8vw, 1.05rem);
  line-height: 1.65;
  color: var(--mte-eco-muted);
}

/* —— Tab switcher —— */
.mte-eco-logos__tabs-wrap {
  margin-bottom: clamp(1.5rem, 3vw, 2rem);
}

.mte-eco-logos__tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}

.mte-eco-logos__tab {
  appearance: none;
  border: 1px solid rgba(0, 200, 255, 0.18);
  background: rgba(8, 35, 60, 0.75);
  color: var(--mte-eco-muted);
  backdrop-filter: blur(8px);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.5rem 1.15rem;
  border-radius: 999px;
  cursor: pointer;
  transition:
    background 0.3s ease,
    color 0.3s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease;
}

.mte-eco-logos__tab:hover {
  border-color: rgba(0, 200, 255, 0.45);
  color: var(--mte-text);
}

.mte-eco-logos__tab.is-active {
  background: linear-gradient(135deg, var(--mte-accent) 0%, var(--mte-accent-3) 100%);
  border-color: transparent;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(0, 200, 255, 0.25);
}

/* —— Tab panels —— */
.mte-eco-logos__panel[hidden] {
  display: none !important;
}

.mte-eco-logos__panel-title {
  margin: 0 0 clamp(1rem, 2vw, 1.35rem);
  text-align: center;
  font-size: clamp(0.78rem, 1.5vw, 0.92rem);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(0, 224, 255, 0.92);
}

.mte-eco-logos__empty {
  text-align: center;
  padding: 2rem 1.5rem;
  color: rgba(226, 232, 240, 0.72);
  margin: 0;
}

/* —— Sponsor tier blocks —— */
.mte-eco-logos__tier-block + .mte-eco-logos__tier-block {
  margin-top: clamp(1.75rem, 3vw, 2.5rem);
}

.mte-eco-logos__tier-title {
  margin: 0 0 1rem;
  text-align: center;
  font-size: clamp(0.72rem, 1.4vw, 0.82rem);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(0, 200, 255, 0.88);
}

/* —— Logo grid —— */
.mte-eco-logos__grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.85rem;
}

.mte-eco-logos__grid--tier-platinum {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.mte-eco-logos__grid--tier-gold {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.mte-eco-logos__grid .mte-eco-logos__item {
  min-width: 0;
  max-width: none;
  width: 100%;
  height: auto;
  max-height: none;
  min-height: 132px;
  padding: 1rem 0.85rem 0.75rem;
  text-decoration: none;
  border-radius: 14px;
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  box-sizing: border-box;
  box-shadow: 0 2px 12px rgba(2, 8, 23, 0.14);
  overflow: visible;
  transition:
    transform 0.35s ease,
    box-shadow 0.35s ease,
    border-color 0.35s ease;
}

.mte-eco-logos__grid .mte-eco-logos__item--dark-box {
  background: rgba(8, 35, 60, 0.92);
  border-color: rgba(0, 200, 255, 0.22);
  box-shadow: 0 4px 18px rgba(0, 200, 255, 0.1);
}

.mte-eco-logos__grid .mte-eco-logos__item:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 200, 255, 0.42);
  box-shadow: 0 10px 28px rgba(0, 200, 255, 0.2);
}

.mte-eco-logos__grid .mte-eco-logos__item--dark-box:hover {
  box-shadow: 0 10px 28px rgba(0, 200, 255, 0.22);
}

.mte-eco-logos__grid .mte-eco-logos__item img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  object-position: center;
  display: block;
  margin: auto;
  background: transparent;
  border: none;
  box-shadow: none;
  outline: none;
}

.mte-eco-logos__item--tier-platinum img,
.mte-eco-logos__grid--tier-platinum .mte-eco-logos__item img,
.mte-eco-logos__item--tier-gold img,
.mte-eco-logos__grid--tier-gold .mte-eco-logos__item img,
.mte-eco-logos__item--tier-silver img,
.mte-eco-logos__grid--tier-silver .mte-eco-logos__item img,
.mte-eco-logos__item--tier-startup img,
.mte-eco-logos__grid--tier-startup .mte-eco-logos__item img {
  max-width: 100%;
  max-height: 100%;
}

.mte-eco-logos__item--org-siemens img,
.mte-eco-logos__grid .mte-eco-logos__item--org-siemens img,
.mte-eco-logos__grid .mte-eco-logos__item--org-siemens .mte-logo-card__inner--light img {
  max-width: 140px;
  max-height: 70px;
  object-fit: contain;
  display: block;
  margin: auto;
}

.mte-eco-logos__item--org-lufthansa-aviation img,
.mte-eco-logos__grid .mte-eco-logos__item--org-lufthansa-aviation img,
.mte-eco-logos__grid .mte-eco-logos__item--org-lufthansa-aviation .mte-logo-card__inner--light img {
  max-width: 140px;
  max-height: 80px;
  object-fit: contain;
  display: block;
  margin: auto;
}

.mte-eco-logos__grid--tier-platinum .mte-eco-logos__item {
  min-height: 130px;
}

.mte-eco-logos__grid--tier-gold .mte-eco-logos__item {
  min-height: 130px;
}

.mte-eco-logos__grid--tier-startup .mte-eco-logos__item {
  min-height: 130px;
}

.mte-eco-logos__grid .mte-logo-card__inner--light {
  background: #ffffff;
  border: none;
  box-shadow: none;
  border-radius: 10px;
  padding: 8px 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 100%;
  height: 76px;
  min-height: 76px;
  max-height: 76px;
  flex: 0 0 auto;
  box-sizing: border-box;
  overflow: hidden;
  --mte-eco-logo-scale: 1;
}

.mte-eco-logos__grid .mte-logo-card__visual {
  height: 76px;
  min-height: 76px;
  max-height: 76px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  box-sizing: border-box;
  overflow: hidden;
  flex: 0 0 auto;
  --mte-eco-logo-scale: 1;
}

.mte-eco-logos__grid .mte-logo-card__visual img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  object-position: center;
  transform: scale(var(--mte-eco-logo-scale, 1));
  transform-origin: center center;
}

/* Dark-brand tiles: no nested white pad (avoids box-in-box). */
.mte-eco-logos__grid .mte-eco-logos__item--dark-box .mte-logo-card__inner--light {
  background: transparent;
  border-radius: 0;
  padding: 8px 12px;
  height: 76px;
  min-height: 76px;
  max-height: 76px;
}

.mte-eco-logos__grid .mte-logo-card__inner--light img {
  max-width: 100%;
  max-height: 100%;
  /* Prevent SVG-without-width/height from flex-shrinking to 0×0 (white pill). */
  flex-shrink: 0;
  min-width: 40px;
  min-height: 20px;
  display: block;
  margin: auto;
  object-fit: contain;
  object-position: center;
  transform: scale(var(--mte-eco-logo-scale, 1));
  transform-origin: center center;
  background: transparent;
  border: none;
  box-shadow: none;
}

/* Per-org tuning — keep visual weight consistent across mixed aspect ratios. */
.mte-eco-logos__grid .mte-eco-logos__item--org-kiron-digital-learning-solutions .mte-logo-card__inner--light img,
.mte-eco-logos__grid .mte-eco-logos__item--org-kiron-digital-learning-solutions .mte-logo-card__visual img {
  max-width: 88%;
  max-height: 88%;
}

.mte-eco-logos__grid .mte-eco-logos__item--org-wells-for-all .mte-logo-card__inner--light img,
.mte-eco-logos__grid .mte-eco-logos__item--org-wells-for-all .mte-logo-card__visual img,
.mte-eco-logos__grid .mte-eco-logos__item--org-feldmanncyber-gmbh .mte-logo-card__inner--light img,
.mte-eco-logos__grid .mte-eco-logos__item--org-feldmanncyber-gmbh .mte-logo-card__visual img {
  max-width: 72%;
  max-height: 72%;
}

.mte-eco-logos__grid .mte-eco-logos__item--dark-box .mte-logo-card__visual,
.mte-eco-logos__grid .mte-eco-logos__item--dark-box .mte-logo-card__inner--light,
.mte-eco-logos__grid .mte-eco-logos__item--dark-box > img {
  height: 76px;
  min-height: 76px;
  max-height: 76px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  box-sizing: border-box;
}

.mte-eco-logos__grid .mte-eco-logos__item--dark-box > img {
  max-width: calc(100% - 24px);
  max-height: calc(100% - 16px);
  margin: auto;
  object-fit: contain;
  transform: scale(var(--mte-eco-logo-scale, 1));
  transform-origin: center center;
}

/* Baked-in black PNG frames — knock out black on dark cards. */
.mte-eco-logos__grid .mte-eco-logos__item--org-exxeta-ag img,
.mte-eco-logos__grid .mte-eco-logos__item--org-wolt img,
.mte-eco-logos__grid .mte-eco-logos__item--org-placementist img,
.mte-eco-logos__grid .mte-eco-logos__item--org-sovra-ai img,
.mte-eco-logos__grid .mte-eco-logos__item--org-proximus-ada img {
  mix-blend-mode: screen;
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
}

/* Snoika PNG is a white square — blends with the default white card. */
.mte-eco-logos__grid .mte-eco-logos__item--org-snoika img,
.mte-eco-logos__grid .mte-eco-logos__item--org-snoika .mte-logo-card__inner--light img {
  background: transparent;
  border: none;
  box-shadow: none;
  border-radius: 6px;
  object-fit: contain;
}

.mte-eco-logos__grid .mte-eco-logos__item:not(.mte-eco-logos__item--dark-box) .mte-logo-card__org-name {
  font-size: 0.68rem;
  margin: 0;
  text-align: center;
  line-height: 1.3;
  color: #0f172a;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.mte-eco-logos__grid .mte-eco-logos__item--dark-box .mte-logo-card__org-name {
  color: var(--mte-text-soft);
}

.mte-eco-logos__item--with-name .mte-logo-card__inner--light {
  flex-shrink: 0;
}

.mte-eco-logos__grid .mte-eco-logos__item--wordmark .mte-logo-wordmark,
.mte-eco-logos__grid .mte-logo-card--wordmark .mte-logo-wordmark {
  gap: 0.25rem;
  padding: 0.5rem 0.65rem;
}

.mte-eco-logos__grid .mte-eco-logos__item--wordmark:not(.mte-eco-logos__item--dark-box) .mte-logo-wordmark__acronym,
.mte-eco-logos__grid .mte-logo-card--wordmark:not(.mte-eco-logos__item--dark-box) .mte-logo-wordmark__acronym {
  font-size: clamp(0.85rem, 1.5vw, 1rem);
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #0f172a;
  line-height: 1.25;
}

.mte-eco-logos__grid .mte-eco-logos__item--wordmark:not(.mte-eco-logos__item--dark-box) .mte-logo-wordmark__name,
.mte-eco-logos__grid .mte-logo-card--wordmark:not(.mte-eco-logos__item--dark-box) .mte-logo-wordmark__name {
  font-size: clamp(0.6rem, 1vw, 0.7rem);
  font-weight: 600;
  line-height: 1.3;
  color: #334155;
}

.mte-eco-logos__grid .mte-eco-logos__item--wordmark:not(.mte-eco-logos__item--dark-box):hover .mte-logo-wordmark__acronym,
.mte-eco-logos__grid .mte-logo-card--wordmark:not(.mte-eco-logos__item--dark-box):hover .mte-logo-wordmark__acronym {
  color: var(--mte-accent-3);
}

.mte-eco-logos__grid .mte-eco-logos__item--dark-box.mte-eco-logos__item--wordmark .mte-logo-wordmark__acronym,
.mte-eco-logos__grid .mte-eco-logos__item--dark-box.mte-logo-card--wordmark .mte-logo-wordmark__acronym {
  color: var(--mte-text);
}

.mte-eco-logos__grid .mte-eco-logos__item--dark-box.mte-eco-logos__item--wordmark .mte-logo-wordmark__name,
.mte-eco-logos__grid .mte-eco-logos__item--dark-box.mte-logo-card--wordmark .mte-logo-wordmark__name {
  color: var(--mte-text-soft);
}

@media (max-width: 1280px) {
  .mte-eco-logos__grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .mte-eco-logos__grid--tier-platinum {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .mte-eco-logos__grid--tier-gold {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 1024px) {
  .mte-eco-logos__grid,
  .mte-eco-logos__grid--tier-platinum,
  .mte-eco-logos__grid--tier-gold,
  .mte-eco-logos__grid--tier-silver,
  .mte-eco-logos__grid--tier-startup {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .mte-eco-logos__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.65rem;
  }

  .mte-eco-logos__tabs {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 0.25rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .mte-eco-logos__tabs::-webkit-scrollbar {
    display: none;
  }

  .mte-eco-logos__tab {
    flex: 0 0 auto;
  }
}

.mte-eco-logos__sentinel {
  width: 100%;
  height: 1px;
  margin: 0;
  padding: 0;
  border: 0;
  overflow: hidden;
  pointer-events: none;
  visibility: hidden;
}