.ion-partner-logo-section,
.ion-partner-logo-section *,
.ion-partner-logo-section *::before,
.ion-partner-logo-section *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.ion-partner-logo-section {
  --ion-navy-950: #0f1e2e;
  --ion-navy-900: #15273a;
  --ion-navy-800: #182d43;
  --ion-navy-700: #1e3552;
  --ion-amber-500: #e6a23c;
  --ion-amber-300: #f4c77a;
  --ion-white: #ffffff;
  --ion-sun-cream: #fbefdd;
  --ion-cream: #faf6ef;
  --ion-warm-panel: #f3ece0;
  --ion-text-strong: #182d43;
  --ion-text-body: #2c3540;
  --ion-border: rgba(24, 45, 67, 0.12);
  --ion-border-strong: rgba(24, 45, 67, 0.24);

  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  padding: 72px 24px 78px;
  position: relative;
  overflow: hidden;
  font-family: "Barlow Semi Condensed", "Prompt", sans-serif;
  font-weight: 400;
  font-synthesis: none;
  color: var(--ion-text-body);
  background:
    radial-gradient(
      circle at 88% 12%,
      rgba(230, 162, 60, 0.18) 0%,
      rgba(230, 162, 60, 0) 32%
    ),
    linear-gradient(
      180deg,
      var(--ion-cream) 0%,
      var(--ion-warm-panel) 100%
    );
}


.ion-partner-header,
.ion-partner-logo-grid {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin-left: auto;
  margin-right: auto;
}

.ion-partner-header {
  text-align: center;
  margin-bottom: 42px;
}

.ion-partner-header h2 {
  font-family: "Barlow Semi Condensed", "Prompt", sans-serif;
  font-size: 36px;
  font-weight: 700;
  color: var(--ion-text-strong);
  line-height: 1.55;
  letter-spacing: -0.02em;
  font-synthesis: none;
}

.ion-partner-title-line {
  width: 92px;
  height: 3px;
  margin: 16px auto 0;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--ion-amber-300),
    var(--ion-amber-500),
    transparent
  );
}

.ion-partner-description {
  width: 100%;
  max-width: 980px;
  margin: 24px auto 0;
  font-family: "Barlow Semi Condensed", "Prompt", sans-serif;
  font-size: 17px;
  font-weight: 400;
  color: var(--ion-text-body);
  line-height: 1.85;
  text-align: left;
  font-synthesis: none;
}

.ion-partner-logo-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
  width: 100%;
}

.ion-partner-logo-item {
  height: 66px;
  padding: 13px 20px;
  border-radius: 14px;
  background: var(--ion-navy-800);
  border: 1px solid var(--ion-border-strong);
  box-shadow: 0 8px 20px rgba(15, 30, 46, 0.10);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition:
    transform 0.18s ease,
    border-color 0.18s ease,
    background-color 0.18s ease,
    box-shadow 0.18s ease;

  /* Perf: ข้าม paint โลโก้นอกจอ (item สูงคงที่ จึงไม่มี CLS) */
  content-visibility: auto;
  contain-intrinsic-size: auto 66px;
}

.ion-partner-logo-item:hover {
  transform: translateY(-3px);
  border-color: var(--ion-amber-500);
  background: var(--ion-navy-700);
  box-shadow: 0 12px 26px rgba(15, 30, 46, 0.16);
}

.ion-partner-logo-item img {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

@media (max-width: 1024px) {
  .ion-partner-header h2 {
    font-size: 32px;
    line-height: 1.5;
  }

  .ion-partner-description {
    font-size: 16.5px;
  }

  .ion-partner-logo-section {
    padding: 66px 22px 72px;
  }

  .ion-partner-logo-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .ion-partner-header h2 {
    font-size: 28px;
    line-height: 1.45;
  }

  .ion-partner-description {
    font-size: 16px;
  }

  .ion-partner-logo-section {
    padding: 56px 15px 62px;
  }

  .ion-partner-header {
    margin-bottom: 36px;
  }

  .ion-partner-description {
    text-align: left;
    line-height: 1.75;
    margin-top: 18px;
  }

  .ion-partner-logo-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .ion-partner-logo-item {
    height: 56px;
    padding: 10px 12px;
    border-radius: 12px;
    contain-intrinsic-size: auto 56px;
  }
}

@media (max-width: 480px) {
  .ion-partner-logo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ion-partner-logo-item {
    height: 52px;
    contain-intrinsic-size: auto 52px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ion-partner-logo-item {
    transition: none;
  }

  .ion-partner-logo-item:hover {
    transform: none;
  }
}
@media (min-width: 1025px) {
  .ion-partner-header {
    max-width: 1500px;
  }
}