/* MBA India - Premium Content-Rich Design with Navy Blue & Yellow Theme */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800;900&family=Poppins:wght@400;500;600;700&family=Roboto:wght@300;400;500;700&display=swap');

:root {
  /* Premium Navy Blue & Yellow Color Scheme */
  --primary-navy: #0a2342;
  --primary-blue: #1e4d8c;
  --accent-yellow: #ffd700;
  --accent-orange: #ff9500;
  --accent-red: #ff3b30;
  --accent-green: #34c759;
  --navy-dark: #050f1f;
  --navy-light: #2d5a8f;
  --yellow-light: #ffe74c;
  
  /* Neutral Colors */
  --white: #ffffff;
  --light-bg: #f8f9fa;
  --light-gray: #e9ecef;
  --gray: #6c757d;
  --dark-gray: #343a40;
  --text-dark: #212529;
  
  /* Gradients */
  --gradient-blue: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-blue) 100%);
  --gradient-yellow: linear-gradient(135deg, var(--accent-yellow) 0%, var(--accent-orange) 100%);
  --gradient-dark: linear-gradient(180deg, var(--navy-dark) 0%, var(--primary-navy) 100%);
  
  /* Typography */
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Poppins', sans-serif;
  --font-secondary: 'Roboto', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 5rem;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.25);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography Enhancements */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: clamp(2.5rem, 6vw, 4rem); font-weight: 900; }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.1rem; }

p { margin-bottom: var(--spacing-sm); }

/* Loading Animation */
.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--primary-navy);
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeOut 0.5s ease 2s forwards;
}

@keyframes fadeOut {
  to { opacity: 0; visibility: hidden; }
}

.loader-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid rgba(255, 215, 0, 0.3);
  border-top-color: var(--accent-yellow);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Premium Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
}

.top-bar {
  background: var(--gradient-blue);
  color: var(--white);
  padding: var(--spacing-xs) 0;
  font-size: 0.875rem;
}

.top-bar-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar-left {
  display: flex;
  gap: var(--spacing-md);
}

.top-bar-link {
  color: var(--white);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  transition: var(--transition-fast);
}

.top-bar-link:hover {
  color: var(--accent-yellow);
}

.header-main {
  padding: var(--spacing-sm) 0;
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-branding {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.site-logo {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 900;
  background: var(--gradient-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
}

.site-tagline {
  font-size: 0.75rem;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

.main-nav ul {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
}

.main-nav a {
  font-weight: 600;
  color: var(--primary-navy);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: var(--transition-fast);
  position: relative;
}

.main-nav a:hover {
  background: var(--light-bg);
  color: var(--primary-blue);
}

.main-nav a.active {
  background: var(--gradient-blue);
  color: var(--white);
}

/* News Ticker */
.news-ticker {
  background: var(--accent-yellow);
  padding: var(--spacing-sm) 0;
  overflow: hidden;
}

.ticker-content {
  display: flex;
  animation: scroll 30s linear infinite;
}

@keyframes scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.ticker-item {
  padding: 0 var(--spacing-md);
  white-space: nowrap;
  font-weight: 600;
  color: var(--primary-navy);
}

/* Hero Slider Section */
.hero-slider {
  position: relative;
  height: 700px;
  overflow: hidden;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease;
  background-size: cover;
  background-position: center;
}

.slide.active {
  opacity: 1;
}

.slide-1 { background: var(--gradient-blue); }
.slide-2 { background: linear-gradient(135deg, var(--primary-blue) 0%, var(--navy-light) 100%); }
.slide-3 { background: var(--gradient-dark); }

.slide::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(10, 35, 66, 0.9) 0%, rgba(30, 77, 140, 0.8) 100%);
}

.slide-content {
  position: relative;
  z-index: 2;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.slide-label {
  display: inline-block;
  background: var(--accent-yellow);
  color: var(--primary-navy);
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-md);
  animation: slideInLeft 0.8s ease;
}

.slide h1 {
  color: var(--white);
  max-width: 900px;
  margin-bottom: var(--spacing-md);
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  animation: slideInLeft 1s ease;
}

.slide p {
  color: rgba(255, 255, 255, 0.95);
  font-size: 1.25rem;
  max-width: 700px;
  margin-bottom: var(--spacing-lg);
  animation: slideInLeft 1.2s ease;
}

.slide-buttons {
  display: flex;
  gap: var(--spacing-sm);
  animation: slideInLeft 1.4s ease;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slider-controls {
  position: absolute;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  gap: var(--spacing-sm);
}

.slider-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  border: none;
  cursor: pointer;
  transition: var(--transition-fast);
}

.slider-dot.active {
  background: var(--accent-yellow);
  width: 40px;
  border-radius: 6px;
}

/* Stats Bar */
.stats-bar {
  background: var(--white);
  box-shadow: var(--shadow-lg);
  margin-top: -50px;
  position: relative;
  z-index: 10;
  border-radius: 16px;
  overflow: hidden;
}

.stats-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
}

.stat-box {
  text-align: center;
  padding: var(--spacing-md);
  border-right: 2px solid var(--light-gray);
}

.stat-box:last-child {
  border-right: none;
}

.stat-number {
  font-size: 3rem;
  font-weight: 900;
  background: var(--gradient-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--gray);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  border-radius: 50px;
  transition: var(--transition-normal);
  cursor: pointer;
  border: none;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn span {
  position: relative;
  z-index: 1;
}

.btn-primary {
  background: var(--gradient-yellow);
  color: var(--primary-navy);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}

.btn-secondary:hover {
  background: var(--white);
  color: var(--primary-navy);
}

/* Section Styles */
.section {
  padding: var(--spacing-xl) var(--spacing-md);
}

.section-alt {
  background: var(--light-bg);
}

.container {
  max-width: 1400px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-label {
  display: inline-block;
  background: var(--accent-yellow);
  color: var(--primary-navy);
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-sm);
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--primary-navy);
  margin-bottom: var(--spacing-sm);
}

.section-description {
  font-size: 1.125rem;
  color: var(--gray);
  max-width: 700px;
  margin: 0 auto;
}

/* Premium Card Grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-md);
}

.card {
  background: var(--white);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  position: relative;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-yellow);
  transform: scaleX(0);
  transition: var(--transition-normal);
}

.card:hover::before {
  transform: scaleX(1);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.card-image {
  width: 100%;
  height: 220px;
  background: var(--gradient-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 4rem;
  font-weight: 900;
}

.card-content {
  padding: var(--spacing-md);
}

.card-badge {
  display: inline-block;
  background: var(--primary-navy);
  color: var(--accent-yellow);
  padding: 0.25rem 1rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: var(--spacing-sm);
}

.card-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.card-title a {
  color: var(--primary-navy);
  text-decoration: none;
  transition: var(--transition-fast);
}

.card-title a:hover {
  color: var(--primary-blue);
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  font-size: 0.875rem;
  color: var(--gray);
}

.card-description {
  color: var(--dark-gray);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.card-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--light-bg);
  border-radius: 8px;
  margin-top: var(--spacing-md);
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-blue);
  display: block;
}

.stat-label-small {
  font-size: 0.75rem;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Feature Boxes */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.feature-box {
  background: var(--white);
  padding: var(--spacing-lg);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: var(--transition-normal);
}

.feature-box:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-yellow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  font-size: 2.5rem;
}

.feature-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  color: var(--primary-navy);
}

.feature-description {
  color: var(--gray);
  line-height: 1.6;
}

/* CTA Section */
.cta-section {
  background: var(--gradient-dark);
  color: var(--white);
  padding: var(--spacing-xl) var(--spacing-md);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: var(--accent-yellow);
  border-radius: 50%;
  opacity: 0.1;
}

.cta-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--spacing-md);
}

.cta-description {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.9;
}

/* Footer */
.site-footer {
  background: var(--navy-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--spacing-xl) var(--spacing-md) var(--spacing-md);
}

.footer-grid {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
  color: var(--accent-yellow);
  margin-bottom: var(--spacing-md);
  font-size: 1.25rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: var(--transition-fast);
}

.footer-section a:hover {
  color: var(--accent-yellow);
}

.footer-bottom {
  max-width: 1400px;
  margin: 0 auto;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-slider { height: 500px; }
  .stats-container { grid-template-columns: 1fr 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .main-nav ul { flex-direction: column; }
  .top-bar-content { flex-direction: column; text-align: center; }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.8s ease;
}

.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}