/* ===== CSS VARIABLES ===== */
:root {
  --primary-color: #1e3a8a;
  --secondary-color: #3b82f6;
  --accent-color: #f59e0b;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  --text-dark: #1f2937;
  --text-light: #6b7280;
  --bg-light: #f8fafc;
  --white: #ffffff;
  --gradient-primary: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
  --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --border-radius: 8px;
  --border-radius-lg: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== GLOBAL STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Poppins', sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  overflow-x: hidden;
}

html {
  scroll-behavior: smooth;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== UTILITIES ===== */
.section-padding {
  padding: 100px 0;
}

.btn {
  font-weight: 500;
  padding: 12px 30px;
  border-radius: var(--border-radius);
  border: none;
  transition: var(--transition);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--white);
}

.btn-outline-light {
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: var(--white);
  background: transparent;
}

.btn-outline-light:hover {
  background: var(--white);
  color: var(--primary-color);
  border-color: var(--white);
}

/* ===== NAVIGATION ===== */
.navbar {
  background: rgba(30, 58, 138, 0.95);
  backdrop-filter: blur(10px);
  transition: var(--transition);
  padding: 15px 0;
}

.navbar.scrolled {
  background: var(--primary-color);
  box-shadow: var(--shadow-md);
  padding: 10px 0;
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white) !important;
}

.navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.9) !important;
  font-weight: 500;
  margin: 0 10px;
  transition: var(--transition);
}

.navbar-nav .nav-link:hover {
  color: var(--accent-color) !important;
}

/* ===== HERO SECTION ===== */
.hero-section {
  min-height: 100vh;
  background: var(--gradient-primary);
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('https://images.pexels.com/photos/5212317/pexels-photo-5212317.jpeg') center/cover;
  opacity: 0.1;
}

.hero-content {
  position: relative;
  z-index: 2;
  color: var(--white);
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 2rem;
  line-height: 1.1;
}

.hero-subtitle {
  font-size: 1.3rem;
  opacity: 0.9;
  margin-bottom: 2rem;
  max-width: 600px;
}

.hero-buttons {
  margin-bottom: 3rem;
}

.hero-stats {
  margin-top: 3rem;
}

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

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-color);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.8;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-image {
  position: relative;
  text-align: center;
}

.floating-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-lg);
  padding: 3rem 2rem;
  color: var(--white);
  text-align: center;
  max-width: 300px;
  margin: 0 auto;
}

.floating-card i {
  font-size: 3rem;
  color: var(--accent-color);
}

.floating-card h4 {
  margin: 1rem 0 0.5rem;
}

.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--white);
}

.scroll-arrow {
  font-size: 1.5rem;
  cursor: pointer;
}

/* ===== ANIMATIONS ===== */
.animate-fade-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 1s ease forwards;
}

.animate-fade-up:nth-child(2) {
  animation-delay: 0.2s;
}

.animate-fade-up:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

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

.bounce {
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

/* ===== PROGRAMS SECTION ===== */
.university-partners {
  background: var(--bg-light);
  border-radius: var(--border-radius-lg);
  padding: 3rem 2rem;
  margin-bottom: 3rem;
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.partner-card {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 2rem 1rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.partner-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.partner-card i {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.partner-card h5 {
  color: var(--text-dark);
  font-weight: 600;
}

.partner-logo {
  width: 80px;
  height: auto;
  margin-bottom: 1rem;
  display: inline-block;
}

.program-category {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  height: 100%;
}

.category-title {
  color: var(--primary-color);
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--bg-light);
}

.program-grid {
  display: grid;
  gap: 1rem;
}

.program-item {
  background: var(--bg-light);
  padding: 1rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: 500;
  transition: var(--transition);
}

.program-item:hover {
  background: var(--primary-color);
  color: var(--white);
  transform: translateX(5px);
}

.coaching-section {
  background: var(--bg-light);
  border-radius: var(--border-radius-lg);
  padding: 3rem 2rem;
}

.coaching-card {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-md);
  height: 100%;
  transition: var(--transition);
}

.coaching-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.coaching-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.coaching-icon i {
  font-size: 2rem;
  color: var(--white);
}

.coaching-card h5 {
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.coaching-card p {
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

.coaching-features {
  list-style: none;
  padding: 0;
}

.coaching-features li {
  padding: 0.5rem 0;
  color: var(--success-color);
  font-weight: 500;
}

.coaching-features li:before {
  content: "✓ ";
  margin-right: 0.5rem;
}

.competitive-section {
  text-align: center;
}

.competitive-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.competitive-item {
  background: var(--gradient-primary);
  color: var(--white);
  padding: 1.5rem 1rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 1.1rem;
  transition: var(--transition);
}

.competitive-item:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

/* ===== FEATURES SECTION ===== */
.feature-card {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  box-shadow: var(--shadow-md);
  height: 100%;
  transition: var(--transition);
  border-top: 4px solid transparent;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
  border-top-color: var(--accent-color);
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.feature-icon i {
  font-size: 2rem;
  color: var(--white);
}

.feature-card h4 {
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.feature-card p {
  color: var(--text-light);
  line-height: 1.6;
}

/* ===== ABOUT SECTION ===== */
.about-content {
  padding-right: 2rem;
}

.about-features {
  margin-top: 2rem;
}

.feature-item {
  display: flex;
  align-items: center;
  font-size: 1.1rem;
  font-weight: 500;
}

.about-image img {
  border-radius: var(--border-radius-lg);
}

/* ===== TESTIMONIALS ===== */
.testimonial-card {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  height: 100%;
  transition: var(--transition);
}

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

.testimonial-rating {
  margin-bottom: 1rem;
}

.testimonial-rating i {
  color: var(--accent-color);
  margin-right: 0.2rem;
}

.testimonial-card p {
  font-style: italic;
  color: var(--text-light);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.testimonial-author h5 {
  color: var(--text-dark);
  margin-bottom: 0.2rem;
}

.testimonial-author span {
  color: var(--text-light);
  font-size: 0.9rem;
}

/* ===== CONTACT SECTION ===== */
.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  padding: 1.5rem;
  background: var(--white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

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

.contact-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1rem;
  flex-shrink: 0;
}

.contact-icon i {
  font-size: 1.5rem;
  color: var(--white);
}

.contact-details h5 {
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

.contact-details p {
  color: var(--text-light);
  margin: 0;
}

.contact-details a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

.contact-details a:hover {
  color: var(--accent-color);
}

.contact-form-card {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-xl);
}

.contact-form .form-control {
  border: 2px solid #e5e7eb;
  border-radius: var(--border-radius);
  padding: 12px 20px;
  font-size: 1rem;
  transition: var(--transition);
}

.contact-form .form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--text-dark);
  color: var(--white);
  padding: 60px 0 20px;
}

.footer-title {
  color: var(--white);
  margin-bottom: 1rem;
}

.footer p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-link {
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  text-decoration: none;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--accent-color);
  transform: translateY(-2px);
  color: var(--white);
}

.footer-heading {
  color: var(--white);
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition);
}

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

.footer-contact p {
  margin-bottom: 0.5rem;
  color: rgba(255, 255, 255, 0.8);
}

.footer-contact i {
  color: var(--accent-color);
  width: 20px;
}

.footer-divider {
  border-color: rgba(255, 255, 255, 0.1);
  margin: 2rem 0 1rem;
}

.footer-copyright {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  margin: 0;
}

.footer-copyright a {
  color: var(--accent-color);
  text-decoration: none;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 991px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .about-content {
    padding-right: 0;
    margin-bottom: 2rem;
  }
  
  .contact-form-card {
    padding: 2rem;
  }
}

@media (max-width: 767px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .section-padding {
    padding: 60px 0;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .btn {
    padding: 10px 25px;
    margin-bottom: 1rem;
  }
  
  .partners-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
  }
  
  .competitive-grid {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  }
  
  .contact-info-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-form-card {
    padding: 1.5rem;
  }
}

@media (max-width: 575px) {
  .hero-title {
    font-size: 1.8rem;
  }
  
  .stat-number {
    font-size: 2rem;
  }
  
  .floating-card {
    padding: 2rem 1rem;
  }
  
  .partners-grid {
    grid-template-columns: 1fr;
  }
  
  .competitive-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== SCROLL ANIMATIONS ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.6s ease;
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.6s ease;
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--secondary-color);
}

/* ===== LOADING ANIMATION ===== */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--white);
  animation: spin 1s ease-in-out infinite;
}

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