/* Updated: 2026-02-03 */
/* Big Data section - blue background with yellow accents (Ban7) */
.bigdata-section { 
  background: #0033A0; 
  padding: 64px 0 72px; 
  width: 100%;
  color: #FFFFFF;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow-x: hidden;
}

.bigdata-section .section-title { 
  text-align: center; 
  color: #FFFFFF; 
  max-width: 900px; 
  margin: 0 auto 12px; 
}

.bigdata-section .section-title .highlight { 
  color: #FFD700; 
}

.bigdata-section .section-text { 
  text-align: center; 
  color: #E0E7FF; 
  max-width: 820px; 
  margin: 0 auto 56px; 
}

/* Stats grid - 5 columns */
.bigdata-grid { 
  display: grid; 
  grid-template-columns: repeat(5, minmax(0, 1fr)); 
  gap: 24px; 
  max-width: 1400px; 
  width: 100%;
  margin: 0 auto; 
  padding: 0 20px;
}

/* Individual stat card */
.bigdata-card { 
  background: rgba(0, 51, 160, 0.4); 
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px; 
  padding: 32px 20px; 
  display: flex; 
  flex-direction: column; 
  align-items: center; 
  text-align: center;
  transition: all 0.4s ease;
  position: relative;
  overflow: visible;
}

.bigdata-card:hover { 
  background: rgba(0, 51, 160, 0.6);
  border-color: rgba(255, 215, 0, 0.5);
  transform: translateY(-4px);
  box-shadow: 
    0 0 30px rgba(255, 215, 0, 0.4),
    0 0 60px rgba(255, 215, 0, 0.2),
    0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Icon circle */
.bigdata-icon { 
  width: 64px; 
  height: 64px; 
  border-radius: 50%; 
  background: rgba(255, 215, 0, 0.15);
  border: 2px solid #FFD700;
  display: grid; 
  place-items: center; 
  font-size: 28px; 
  color: #FFD700; 
  margin-bottom: 20px;
  transition: all 0.4s ease;
}

.bigdata-card:hover .bigdata-icon { 
  background: rgba(255, 215, 0, 0.25);
  transform: scale(1.1);
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
}

/* Main number */
.bigdata-number { 
  font-size: 2.5rem; 
  font-weight: 700; 
  color: #FFD700; 
  margin: 0 0 12px; 
  line-height: 1;
}

/* Description */
.bigdata-label { 
  font-size: 0.95rem; 
  color: #E0E7FF; 
  line-height: 1.4;
  font-weight: 500;
}

/* Footer text */
.bigdata-footer-text { 
  text-align: center; 
  margin-top: 48px; 
  color: #E0E7FF; 
  font-size: 1rem;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 20px;
}

.bigdata-footer-text .highlight { 
  color: #FFD700; 
  font-weight: 600;
}

/* BigData Slider Container */
.bigdata-slider-container {
  position: relative;
  width: 100%;
  max-width: 1400px;
  margin: 64px auto 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 0 20px;
}

@media (min-width: 901px) {
  .bigdata-slider-container {
    gap: 6px;
    padding: 0 8px;
  }

  .slider-wrapper {
    max-width: 100%;
  }

  .slider-item img {
    width: 20%;
  }
}

.slider-wrapper {
  flex: 1;
  overflow: hidden;
  border-radius: 12px;
}

.slider-track {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  width: 100%;
}

.slider-item {
  min-width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.6;
  transform: scale(0.75);
  transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.slider-item.active {
  opacity: 1;
  transform: scale(1);
}

/* Mobile responsive */
@media (max-width: 768px) {
  .bigdata-section {
    padding: 48px 0 56px;
  }
  
  .bigdata-section .section-title,
  .bigdata-section .section-text,
  .bigdata-footer-text {
    padding-left: 16px !important;
    padding-right: 16px !important;
  }
  
  .bigdata-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 0;
    margin: 0 auto;
    max-width: 100%;
    width: calc(100% - 32px);
  }
  
  .bigdata-card {
    padding: 24px 12px !important;
    overflow: hidden;
    min-width: 0;
  }
  
  .bigdata-card:nth-child(5) {
    grid-column: 1 / -1;
  }
  
  .bigdata-card:hover {
    transform: none;
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
  }
  
  .bigdata-icon {
    width: 52px;
    height: 52px;
    font-size: 24px;
  }
  
  .bigdata-number {
    font-size: 2rem;
  }
  
  .bigdata-label {
    font-size: 0.85rem;
  }
  
  .bigdata-icon,
  .bigdata-number,
  .bigdata-label {
    max-width: 100% !important;
  }
}

@media (max-width: 480px) {
  .bigdata-section .section-title,
  .bigdata-section .section-text,
  .bigdata-footer-text {
    padding-left: 20px !important;
    padding-right: 20px !important;
  }
}

.slider-item img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  display: block;
  max-width: 100%;
}

.slider-item.active img {
  box-shadow: 0 16px 48px rgba(255, 215, 0, 0.4);
}

@media (min-width: 901px) {
  .slider-item img {
    width: 70%;
    margin-left: auto;
    margin-right: auto;
  }
}

/* Slider Buttons */
.slider-btn {
  background: rgba(255, 255, 255, 0.15);
  border: 2px solid rgba(255, 215, 0, 0.4);
  color: #FFD700;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.slider-btn:hover {
  background: rgba(255, 215, 0, 0.2);
  border-color: rgba(255, 215, 0, 0.8);
  transform: scale(1.1);
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
}

.slider-btn:active {
  transform: scale(0.95);
}

/* Responsive */
@media (max-width: 1300px) {
  .bigdata-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
  
  .bigdata-slider-container {
    gap: 16px;
  }
}

@media (max-width: 900px) {
  .bigdata-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bigdata-number { font-size: 2.2rem; }
  
  .bigdata-slider-container {
    gap: 12px;
    margin: 48px auto 0;
  }
  
  .slider-btn {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
}

@media (max-width: 600px) {
  .bigdata-grid { 
    grid-template-columns: repeat(2, 1fr); 
    gap: 12px;
    padding: 0;
    width: calc(100% - 24px);
  }
  
  .bigdata-card:nth-child(5) {
    grid-column: 1 / -1;
  }
  
  .bigdata-number { font-size: 1.8rem; }
  .bigdata-section { padding: 48px 0 56px; }
  .bigdata-card { padding: 20px 10px !important; }
  
  .bigdata-icon,
  .bigdata-number,
  .bigdata-label {
    max-width: 80% !important;
  }
  
  .bigdata-slider-container {
    gap: 8px;
    margin: 40px auto 0;
    width: 100%;
    max-width: 100%;
    padding: 0 16px;
    box-sizing: border-box;
    overflow: hidden;
  }
  
  .slider-btn {
    display: none;
  }

  .slider-wrapper {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .slider-track {
    width: 100%;
  }

  .slider-item {
    min-width: 100%;
    transform-origin: center center;
  }
}
/* Dark theme immunity - Business Intelligence section maintains original styling */
body.dark-theme .bigdata-section {
  background: #0033A0 !important;
}

body.dark-theme .bigdata-section .section-title {
  color: #FFFFFF !important;
}

body.dark-theme .bigdata-section .section-title .highlight {
  color: #FFD700 !important;
}

body.dark-theme .bigdata-section .section-text {
  color: #E0E7FF !important;
}

body.dark-theme .bigdata-card {
  background: rgba(0, 51, 160, 0.4) !important;
  border-color: rgba(255, 255, 255, 0.2) !important;
}

body.dark-theme .bigdata-card:hover {
  background: rgba(0, 51, 160, 0.6) !important;
  border-color: rgba(255, 215, 0, 0.5) !important;
}

body.dark-theme .bigdata-number {
  color: #FFD700 !important;
}

body.dark-theme .bigdata-label {
  color: #FFFFFF !important;
}

body.dark-theme .bigdata-icon {
  background: rgba(255, 215, 0, 0.15) !important;
  border-color: #FFD700 !important;
  color: #FFD700 !important;
}