:root {
  --bg-dark-primary: #0A0B14;
  --bg-dark-secondary: #0F1218;
  --glow-blue-primary: #00B4D8;
  --glow-blue-secondary: #00D9FF;
  --glow-purple: #7B61FF;
  --glow-white-subtle: rgba(255, 255, 255, 0.05);
  --text-primary: #FFFFFF;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.5);
}

.partners-section {
  position: relative;
  padding: 120px 0;
  background: linear-gradient(180deg, #0A0B14 0%, #0F1218 100%);
  overflow: hidden;
}

.section-bg-decoration {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.particle-field {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(0, 180, 216, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(123, 97, 255, 0.1) 0%, transparent 50%);
  animation: particleFloat 30s ease-in-out infinite;
}

@keyframes particleFloat {
  0%, 100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(20px, -20px);
  }
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
  animation: orbFloat 20s ease-in-out infinite;
}

.gradient-orb-1 {
  width: 600px;
  height: 600px;
  top: -200px;
  right: -200px;
  background: radial-gradient(circle, var(--glow-blue-primary), transparent);
}

.gradient-orb-2 {
  width: 400px;
  height: 400px;
  bottom: -100px;
  left: -100px;
  background: radial-gradient(circle, var(--glow-purple), transparent);
  animation-delay: -10s;
}

@keyframes orbFloat {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(30px, 30px) scale(1.1);
  }
}

.partners-container {
  position: relative;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
  z-index: 1;
}

.section-header {
  text-align: center;
  margin-bottom: 80px;
}

.section-title {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 20px;
  font-family: 'JetBrains Mono', monospace;
}

.title-gradient {
  background: linear-gradient(135deg, var(--glow-blue-primary), var(--glow-blue-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.title-accent {
  color: var(--text-primary);
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 18px;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

.partners-showcase {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 0;
  max-width: 1600px;
  margin: 0 auto;
}

.partner-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  padding: 40px 20px;
  cursor: pointer;
  transition: transform 0.3s ease;
  opacity: 0;
  animation: waveReveal 0.6s ease-out forwards;
  /* 玻璃方块视觉：不改变原有尺寸，仅添加视觉层 */
  border-radius: 16px;
  background: transparent;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

/* 独立玻璃层，避免与 SVG 合成冲突 */
.partner-item::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 0;
  pointer-events: none;
}

.partner-item::before {
  content: '';
  position: absolute;
  inset: -20px;
  z-index: 1;
}

.partner-item:nth-child(1) { animation-delay: 0.1s; }
.partner-item:nth-child(2) { animation-delay: 0.2s; }
.partner-item:nth-child(3) { animation-delay: 0.3s; }
.partner-item:nth-child(4) { animation-delay: 0.4s; }
.partner-item:nth-child(5) { animation-delay: 0.5s; }
.partner-item:nth-child(6) { animation-delay: 0.6s; }
.partner-item:nth-child(7) { animation-delay: 0.7s; }

@keyframes waveReveal {
  0% {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  50% {
    opacity: 0.5;
    transform: translateY(10px) scale(0.98);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.logo-zone {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 80px;
}

.partner-logo {
  position: relative;
  max-width: 180px;
  max-height: 60px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: none;
  transition: all 0.4s ease;
  z-index: 2;
}

.ambient-light {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 200px;
  height: 200px;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.02) 0%,
    transparent 70%
  );
  pointer-events: none;
  animation: breathing 4s ease-in-out infinite;
  z-index: 1;
}

@keyframes breathing {
  0%, 100% {
    opacity: 0.3;
  }
  50% {
    opacity: 0.6;
  }
}

.hover-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 300px;
  border-radius: 50%;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
  z-index: 1;
}

.partner-item--wide {
  grid-column: span 2;
}

.logo-zone--wide {
  width: 100%;
  justify-content: flex-start;
  padding: 0 40px;
}

.logo-zone--wide .partner-logo {
  max-width: 420px;
  max-height: 65px;
}

/* Partner name text under/next to logo (only for wide items like Infini) */
.partner-name {
  margin-left: 16px;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary, #e5e7eb);
  display: none;
}

@media (min-width: 1024px) {
  .partner-item--wide .partner-name {
    display: inline-block;
    vertical-align: middle;
  }
  .partner-item--wide .logo-zone--wide {
    display: flex;
    align-items: center;
    gap: 16px;
  }
}

.partner-item:hover {
  transform: scale(1.05);
}

.partner-item:hover .partner-logo {
  filter: brightness(1.2) contrast(1);
}

.partner-item:hover .hover-glow {
  opacity: 1;
}

.partner-item[data-brand="coinmarketcap"] {
  --brand-color: #16C784;
  --glow-intensity: 0.4;
}

.partner-item[data-brand="coinmarketcap"] .hover-glow {
  background: radial-gradient(
    circle at center,
    rgba(22, 199, 132, var(--glow-intensity)) 0%,
    transparent 50%
  );
}

.partner-item[data-brand="wallet"] {
  --brand-color: #7B61FF;
}

.partner-item[data-brand="wallet"] .hover-glow {
  background: radial-gradient(
    circle at center,
    rgba(123, 97, 255, 0.4) 0%,
    transparent 50%
  );
}

.partner-item[data-brand="harvest"] .hover-glow {
  background: radial-gradient(
    circle at center,
    rgba(0, 180, 216, 0.4) 0%,
    transparent 50%
  );
}

.partner-item[data-brand="metalpha"] .hover-glow {
  background: radial-gradient(
    circle at center,
    rgba(255, 255, 255, 0.3) 0%,
    transparent 50%
  );
}

.partner-item[data-brand="hashkey"] .hover-glow {
  background: radial-gradient(
    circle at center,
    rgba(0, 180, 216, 0.35) 0%,
    transparent 50%
  );
}

.partner-item[data-brand="infini"] .hover-glow {
  background: radial-gradient(
    circle at center,
    rgba(233, 232, 253, 0.3) 0%,
    transparent 50%
  );
}

.partner-item[data-brand="new-harvest"] .hover-glow {
  background: radial-gradient(
    circle at center,
    rgba(0, 180, 216, 0.35) 0%,
    transparent 50%
  );
}

.partner-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(255, 255, 255, 0.05) 50%,
    transparent 100%
  );
}

.mouse-light {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(0, 217, 255, 0.15) 0%,
    rgba(0, 180, 216, 0.05) 30%,
    transparent 70%
  );
  pointer-events: none;
  transform: translate(-50%, -50%);
  filter: blur(40px);
  mix-blend-mode: screen;
  transition: opacity 0.3s ease;
  z-index: 2;
}

.partner-item .partner-logo {
  filter: none;
}

.partner-item .ambient-light {
  opacity: calc(0.5 + var(--mouse-intensity, 0) * 0.5);
}

@media (min-width: 1440px) {
  .partners-showcase {
    grid-template-columns: repeat(4, 1fr);
  }

  .partner-item--wide {
    grid-column: span 2;
  }

  .partners-container {
    padding: 0 80px;
  }
}

@media (min-width: 1024px) and (max-width: 1439px) {
  .partners-showcase {
    grid-template-columns: repeat(3, 1fr);
  }

  .partner-item--wide {
    grid-column: span 2;
  }

  .partners-container {
    padding: 0 60px;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .partners-showcase {
    grid-template-columns: repeat(2, 1fr);
  }

  .partner-item--wide {
    grid-column: span 1;
  }

  .logo-zone--wide {
    padding: 0 20px;
  }

  .logo-zone--wide .partner-logo {
    max-width: 280px;
  }

  .partners-container {
    padding: 0 40px;
  }

  .section-title {
    font-size: 40px;
  }
}

@media (max-width: 767px) {
  .partners-section {
    padding: 60px 0;
  }

  .partners-showcase {
    grid-template-columns: 1fr;
  }

  .partner-item--wide {
    grid-column: span 1;
  }

  .logo-zone--wide {
    padding: 0 20px;
  }

  .logo-zone--wide .partner-logo {
    max-width: 200px;
  }

  .partners-container {
    padding: 0 20px;
  }

  .section-title {
    font-size: 32px;
  }

  .section-subtitle {
    font-size: 16px;
  }

  .partner-item {
    min-height: 150px;
    padding: 30px 15px;
  }

  .partner-item::after {
    display: none;
  }

  .partner-logo {
    max-width: 160px;
    max-height: 50px;
  }
}