/* ========================================
   STUDY EXPERIENCES SECTION
   Light Blue & Dark Blue Color Scheme Only
   ======================================== */

/* Color Variables - Only Blues */
:root {
  --dark-blue-1: #0a1929;      /* Deep dark blue */
  --dark-blue-2: #132f4c;      /* Medium dark blue */
  --dark-blue-3: #1e4976;      /* Lighter dark blue */
  --dark-blue-4: #2e5984;      /* Blue-gray */
  
  --light-blue-1: #e3f2fd;     /* Very light blue */
  --light-blue-2: #bbdefb;     /* Light blue */
  --light-blue-3: #90caf9;    /* Medium light blue */
  --light-blue-4: #64b5f6;    /* Bright light blue */
  --light-blue-5: #42a5f5;    /* Vibrant light blue */
  --light-blue-6: #2196f3;    /* Primary light blue */
  --light-blue-7: #1e88e5;    /* Deeper light blue */
}

/* Section Background */
.study-experiences-section {
  background: linear-gradient(135deg, #0a1929 0%, #132f4c 30%, #1e4976 60%, #0a1929 100%);
  background-size: 200% 200%;
  animation: gradientShift 15s ease infinite;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Background Pattern with Blue Orbs */
.study-bg-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.study-gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
  animation: floatOrb 20s ease-in-out infinite;
}

.study-orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--light-blue-4) 0%, var(--light-blue-6) 50%, transparent 70%);
  top: -150px;
  left: -150px;
  animation-delay: 0s;
}

.study-orb-2 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--light-blue-3) 0%, var(--light-blue-5) 50%, transparent 70%);
  bottom: -200px;
  right: -200px;
  animation-delay: 5s;
}

.study-orb-3 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--light-blue-5) 0%, var(--light-blue-7) 50%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: 10s;
}

@keyframes floatOrb {
  0%, 100% { 
    transform: translate(0, 0) scale(1);
    opacity: 0.4;
  }
  33% { 
    transform: translate(50px, -50px) scale(1.1);
    opacity: 0.5;
  }
  66% { 
    transform: translate(-30px, 30px) scale(0.9);
    opacity: 0.3;
  }
}

/* Section Badge */
.study-badge {
  display: inline-flex;
  align-items: center;
  padding: 12px 24px;
  background: rgba(33, 150, 243, 0.15);
  backdrop-filter: blur(20px);
  border: 2px solid var(--light-blue-6);
  border-radius: 50px;
  color: var(--light-blue-4);
  font-weight: 700;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  box-shadow: 0 8px 32px rgba(33, 150, 243, 0.2);
  transition: all 0.3s ease;
}

.study-badge:hover {
  background: rgba(33, 150, 243, 0.25);
  border-color: var(--light-blue-5);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(33, 150, 243, 0.3);
}

.study-badge i {
  color: var(--light-blue-5);
  animation: rotateStar 3s linear infinite;
}

@keyframes rotateStar {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Main Title */
.study-main-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  background: linear-gradient(135deg, var(--light-blue-1) 0%, var(--light-blue-4) 50%, var(--light-blue-6) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

/* Subtitle */
.study-subtitle {
  font-size: 18px;
  color: var(--light-blue-3);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
  font-weight: 400;
}

/* Modern Stat Cards - Light & Dark Blue */
.modern-stat-card {
  background: linear-gradient(135deg, rgba(30, 73, 118, 0.4) 0%, rgba(46, 89, 132, 0.3) 100%);
  backdrop-filter: blur(30px);
  border: 2px solid rgba(33, 150, 243, 0.3);
  border-radius: 24px;
  padding: 32px 24px;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  height: 100%;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.modern-stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--light-blue-6), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.modern-stat-card:hover::before {
  transform: translateX(100%);
}

.modern-stat-card:hover {
  transform: translateY(-12px) scale(1.03);
  border-color: var(--light-blue-6);
  box-shadow: 0 20px 60px rgba(33, 150, 243, 0.4);
  background: linear-gradient(135deg, rgba(30, 73, 118, 0.6) 0%, rgba(46, 89, 132, 0.5) 100%);
}

/* Stat Card Variations with Blue Shades */
.stat-card-1:hover {
  border-color: var(--light-blue-5);
  box-shadow: 0 20px 60px rgba(66, 165, 245, 0.4);
}

.stat-card-2:hover {
  border-color: var(--light-blue-6);
  box-shadow: 0 20px 60px rgba(33, 150, 243, 0.4);
}

.stat-card-3:hover {
  border-color: var(--light-blue-4);
  box-shadow: 0 20px 60px rgba(100, 181, 246, 0.4);
}

.stat-card-4:hover {
  border-color: var(--light-blue-7);
  box-shadow: 0 20px 60px rgba(30, 136, 229, 0.4);
}

/* Stat Icon Wrapper */
.stat-icon-wrapper {
  margin-bottom: 24px;
  display: flex;
  justify-content: center;
}

.stat-icon-bg {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  position: relative;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.stat-icon-bg::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  padding: 6px;
  background: linear-gradient(135deg, var(--light-blue-6), var(--light-blue-4));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.modern-stat-card:hover .stat-icon-bg::before {
  opacity: 1;
}

/* Icon Backgrounds - All Blue Variations */
.stat-icon-1 {
  background: linear-gradient(135deg, var(--light-blue-6) 0%, var(--light-blue-7) 100%);
  color: var(--light-blue-1);
  box-shadow: 0 10px 30px rgba(33, 150, 243, 0.4);
}

.stat-icon-2 {
  background: linear-gradient(135deg, var(--light-blue-5) 0%, var(--light-blue-6) 100%);
  color: var(--light-blue-1);
  box-shadow: 0 10px 30px rgba(66, 165, 245, 0.4);
}

.stat-icon-3 {
  background: linear-gradient(135deg, var(--light-blue-4) 0%, var(--light-blue-5) 100%);
  color: var(--dark-blue-1);
  box-shadow: 0 10px 30px rgba(100, 181, 246, 0.4);
}

.stat-icon-4 {
  background: linear-gradient(135deg, var(--light-blue-7) 0%, var(--dark-blue-4) 100%);
  color: var(--light-blue-1);
  box-shadow: 0 10px 30px rgba(30, 136, 229, 0.4);
}

.modern-stat-card:hover .stat-icon-bg {
  transform: rotate(360deg) scale(1.15);
}

/* Stat Number */
.stat-number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--light-blue-1);
  margin-bottom: 8px;
  text-shadow: 0 2px 10px rgba(33, 150, 243, 0.3);
  line-height: 1.2;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}

.stat-counter-value {
  display: inline-block;
  font-size: inherit;
  font-weight: inherit;
  color: inherit;
  line-height: inherit;
  transition: all 0.3s ease;
}

.stat-counter-value.animated {
  animation: countUpPulse 0.5s ease-out;
}

@keyframes countUpPulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}

/* Stat Label */
.stat-label {
  font-size: 16px;
  color: var(--light-blue-3);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}

/* Progress Bar */
.stat-progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(30, 73, 118, 0.5);
  border-radius: 50px;
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(33, 150, 243, 0.2);
}

.stat-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--light-blue-6) 0%, var(--light-blue-4) 50%, var(--light-blue-6) 100%);
  background-size: 200% 100%;
  border-radius: 50px;
  position: relative;
  animation: progressFill 1.5s ease-out, shimmerProgress 3s infinite;
  box-shadow: 0 0 10px rgba(33, 150, 243, 0.5);
}

.stat-progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  animation: shimmerProgress 2s infinite;
}

@keyframes progressFill {
  from { width: 0; }
}

@keyframes shimmerProgress {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* Content Wrapper */
.study-content-wrapper {
  background: linear-gradient(135deg, rgba(30, 73, 118, 0.3) 0%, rgba(46, 89, 132, 0.2) 100%);
  backdrop-filter: blur(30px);
  border: 2px solid rgba(33, 150, 243, 0.3);
  border-radius: 32px;
  padding: 48px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  transition: all 0.4s ease;
}

.study-content-wrapper:hover {
  border-color: var(--light-blue-6);
  box-shadow: 0 25px 70px rgba(33, 150, 243, 0.3);
  transform: translateY(-5px);
}

.study-content-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--light-blue-1);
  margin-bottom: 20px;
  line-height: 1.3;
  text-shadow: 0 2px 10px rgba(33, 150, 243, 0.2);
}

.study-content-text {
  font-size: 18px;
  color: var(--light-blue-3);
  line-height: 1.8;
  margin-bottom: 32px;
}

/* Feature Cards */
.study-features-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.modern-feature-card {
  background: linear-gradient(135deg, rgba(30, 73, 118, 0.2) 0%, rgba(46, 89, 132, 0.15) 100%);
  backdrop-filter: blur(20px);
  border: 2px solid rgba(33, 150, 243, 0.2);
  border-radius: 20px;
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.modern-feature-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--light-blue-6), var(--light-blue-4));
  transform: scaleY(0);
  transition: transform 0.4s ease;
}

.modern-feature-card:hover::before {
  transform: scaleY(1);
}

.modern-feature-card:hover {
  transform: translateX(10px);
  border-color: var(--light-blue-6);
  background: linear-gradient(135deg, rgba(30, 73, 118, 0.35) 0%, rgba(46, 89, 132, 0.25) 100%);
  box-shadow: 0 10px 30px rgba(33, 150, 243, 0.2);
}

/* Feature Icon Boxes - All Blue */
.feature-icon-box {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  flex-shrink: 0;
  transition: all 0.4s ease;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.feature-icon-1 {
  background: linear-gradient(135deg, var(--light-blue-6) 0%, var(--light-blue-7) 100%);
  color: var(--light-blue-1);
}

.feature-icon-2 {
  background: linear-gradient(135deg, var(--light-blue-5) 0%, var(--light-blue-6) 100%);
  color: var(--light-blue-1);
}

.feature-icon-3 {
  background: linear-gradient(135deg, var(--light-blue-4) 0%, var(--light-blue-5) 100%);
  color: var(--dark-blue-1);
}

.modern-feature-card:hover .feature-icon-box {
  transform: rotate(360deg) scale(1.1);
  box-shadow: 0 12px 30px rgba(33, 150, 243, 0.4);
}

.feature-content-box {
  flex: 1;
}

.feature-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--light-blue-1);
  margin-bottom: 8px;
  line-height: 1.3;
}

.feature-description {
  font-size: 16px;
  color: var(--light-blue-3);
  line-height: 1.6;
  margin: 0;
}

/* Video Wrapper */
.blue-video-wrapper {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  border: 3px solid rgba(33, 150, 243, 0.3);
  transition: all 0.4s ease;
}

.blue-video-wrapper:hover {
  border-color: var(--light-blue-6);
  box-shadow: 0 25px 70px rgba(33, 150, 243, 0.5);
  transform: translateY(-5px);
}

.blue-video-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  overflow: hidden;
  background: var(--dark-blue-1);
}

.blue-video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* Floating Badge */
.blue-floating-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: linear-gradient(135deg, rgba(30, 73, 118, 0.9) 0%, rgba(46, 89, 132, 0.9) 100%);
  backdrop-filter: blur(20px);
  border: 2px solid var(--light-blue-6);
  border-radius: 50px;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 8px 30px rgba(33, 150, 243, 0.4);
  animation: floatBadge 3s ease-in-out infinite;
  z-index: 10;
}

.blue-status-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--light-blue-6);
  box-shadow: 0 0 10px var(--light-blue-6);
  animation: pulseIndicator 2s ease-in-out infinite;
}

.blue-badge-text {
  font-size: 14px;
  font-weight: 700;
  color: var(--light-blue-1);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@keyframes floatBadge {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes pulseIndicator {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.2); }
}

/* Responsive Design */
@media (max-width: 992px) {
  .study-experiences-section {
    padding: 60px 0;
  }
  
  .study-content-wrapper {
    padding: 32px;
  }
  
  .modern-stat-card {
    padding: 24px 20px;
  }
  
  .stat-icon-bg {
    width: 70px;
    height: 70px;
    font-size: 2rem;
  }
}

@media (max-width: 768px) {
  .study-experiences-section {
    padding: 40px 0;
  }
  
  .study-main-title {
    font-size: 2rem;
  }
  
  .study-subtitle {
    font-size: 16px;
  }
  
  .modern-stat-card {
    padding: 20px 16px;
  }
  
  .stat-number {
    font-size: 1.75rem;
  }
  
  .study-content-wrapper {
    padding: 24px;
  }
  
  .modern-feature-card {
    padding: 20px;
  }
  
  .feature-icon-box {
    width: 48px;
    height: 48px;
    font-size: 1.5rem;
  }
  
  .blue-video-container {
    padding-bottom: 56.25%;
  }
}

@media (max-width: 576px) {
  .study-orb-1,
  .study-orb-2,
  .study-orb-3 {
    display: none;
  }
  
  .modern-stat-card {
    margin-bottom: 16px;
  }
}