/* Enhanced Styles for Elit Academy Homepage */

/* Modern Custom Properties */
:root {
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --dark-gradient: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
  --light-bg: #f8fafc;
  --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  --card-shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.15);
  --border-radius: 12px;
  --border-radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Enhanced Typography */
.font-weight-bold {
  font-weight: 700 !important;
}

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

/* Enhanced Navigation */
.navbar {
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.95) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  transition: var(--transition);
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar-nav .nav-link {
  font-weight: 500;
  position: relative;
  color: #2c3e50 !important;
  transition: var(--transition);
}

.navbar-nav .nav-link:hover {
  color: #667eea !important;
  transform: translateY(-1px);
}

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 50%;
  background: var(--primary-gradient);
  transition: var(--transition);
  transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::after {
  width: 100%;
}

/* Enhanced Download Button */
.btn-primary {
  background: var(--primary-gradient);
  border: none;
  font-weight: 600;
  padding: 12px 30px;
  border-radius: 50px;
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(102, 126, 234, 0.4);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: var(--transition);
}

.btn-primary:hover::before {
  left: 100%;
}

/* Enhanced Masthead */
.masthead {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.masthead::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.05)"/><circle cx="10" cy="50" r="0.5" fill="rgba(255,255,255,0.05)"/><circle cx="90" cy="30" r="0.5" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.3;
}

.masthead .container {
  position: relative;
  z-index: 2;
}

.masthead h1 {
  font-size: 4rem;
  font-weight: 800;
  color: white;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  margin-bottom: 1.5rem;
}

.masthead .lead {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.3rem;
  line-height: 1.7;
  margin-bottom: 3rem;
}

/* Mobile Masthead Improvements */
@media (max-width: 991.98px) {
  .masthead {
    min-height: auto;
    padding: 120px 0 80px;
  }
  
  .masthead .row {
    flex-direction: column-reverse;
  }
  
  .masthead .col-lg-6:first-child {
    text-align: center;
    margin-top: 2rem;
  }
}

@media (max-width: 767.98px) {
  .masthead {
    padding: 100px 0 60px;
  }
  
  .masthead h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
  }
  
  .masthead .lead {
    font-size: 1.1rem;
    margin-bottom: 2rem;
  }
  
  .masthead .stats-section {
    margin-top: 2rem;
  }
}

@media (max-width: 575.98px) {
  .masthead {
    padding: 90px 0 50px;
  }
  
  .masthead h1 {
    font-size: 2rem;
  }
  
  .masthead .lead {
    font-size: 1rem;
  }
}

/* Enhanced App Badge */
.app-badge {
  height: 60px;
  width: auto;
  transition: var(--transition);
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.2));
}

.app-badge:hover {
  transform: translateY(-2px);
  filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.25));
}

/* Enhanced Device Mockup */
.masthead-device-mockup {
  position: relative;
  transform: perspective(1000px) rotateY(-15deg) rotateX(15deg);
  transition: var(--transition);
}

.masthead-device-mockup:hover {
  transform: perspective(1000px) rotateY(-10deg) rotateX(10deg);
}

/* Mobile Device Mockup Fixes */
@media (max-width: 991.98px) {
  .masthead-device-mockup {
    transform: none;
    max-width: 400px;
    margin: 0 auto;
    padding: 2rem 0;
  }
  
  .masthead-device-mockup:hover {
    transform: none;
  }
  
  .masthead-device-mockup .device {
    transform: scale(1.0);
    margin: 0 auto;
  }
}

@media (max-width: 767.98px) {
  .masthead-device-mockup {
    max-width: 350px;
    padding: 1.5rem 0;
  }
  
  .masthead-device-mockup .device {
    transform: scale(0.9);
  }
}

@media (max-width: 575.98px) {
  .masthead-device-mockup {
    max-width: 320px;
    padding: 1rem 0;
  }
  
  .masthead-device-mockup .device {
    transform: scale(0.85);
  }
}

/* Enhanced Quote Section */
.bg-gradient-primary-to-secondary {
  background: var(--primary-gradient);
  position: relative;
  overflow: hidden;
}

.bg-gradient-primary-to-secondary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
}

.bg-gradient-primary-to-secondary .container {
  position: relative;
  z-index: 2;
}

/* Enhanced Features Section */
#features {
  padding: 120px 0;
  background: var(--light-bg);
  position: relative;
}

#features::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(to bottom, white, var(--light-bg));
}

.icon-feature {
  font-size: 3rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1.5rem;
}

.features-device-mockup {
  transform: perspective(1000px) rotateY(15deg) rotateX(5deg);
  transition: var(--transition);
}

.features-device-mockup:hover {
  transform: perspective(1000px) rotateY(10deg) rotateX(2deg);
}

/* Mobile Features Device Mockup */
@media (max-width: 991.98px) {
  .features-device-mockup {
    transform: none;
    max-width: 300px;
    margin: 2rem auto;
  }
  
  .features-device-mockup:hover {
    transform: none;
  }
  
  .features-device-mockup .device {
    transform: scale(0.8);
    margin: 0 auto;
  }
}

@media (max-width: 767.98px) {
  .features-device-mockup {
    max-width: 250px;
    margin: 1rem auto;
  }
  
  .features-device-mockup .device {
    transform: scale(0.7);
  }
}

/* Feature Cards Enhancement */
.feature-item {
  background: white;
  padding: 2.5rem 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  height: 100%;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.feature-item h3 {
  color: #2c3e50;
  margin-bottom: 1rem;
  font-weight: 700;
}

.feature-item p {
  color: #6c757d;
  line-height: 1.7;
}

/* Enhanced Footer */
footer {
  background: var(--dark-gradient);
  position: relative;
  overflow: hidden;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="footer-pattern" width="50" height="50" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="2" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23footer-pattern)"/></svg>');
}

footer .container {
  position: relative;
  z-index: 2;
}

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

footer a:hover {
  color: white;
  transform: translateY(-1px);
}

/* Enhanced Modal */
.modal-content {
  border: none;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
  overflow: hidden;
}

.modal-header {
  background: var(--primary-gradient);
  border: none;
}

.form-floating .form-control {
  border-radius: var(--border-radius);
  border: 2px solid #e9ecef;
  transition: var(--transition);
}

.form-floating .form-control:focus {
  border-color: #667eea;
  box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

/* Loading Animation */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.animation__shake {
  animation: float 3s ease-in-out infinite;
}

/* Responsive Enhancements */
@media (max-width: 768px) {
  .feature-item {
    margin-bottom: 2rem;
  }
  
  .stat-item {
    margin-bottom: 1rem;
  }
  
  .btn-lg {
    padding: 10px 20px;
    font-size: 1rem;
  }
  
  .display-4 {
    font-size: 2rem;
  }
  
  .display-5 {
    font-size: 1.75rem;
  }
  
  .navbar-brand {
    font-size: 1.25rem;
  }
  
  .icon-feature {
    font-size: 2.5rem;
  }
}

@media (max-width: 576px) {
  .btn {
    width: 100%;
    margin-bottom: 10px;
  }
  
  .d-flex.gap-3 {
    flex-direction: column;
  }
  
  .feature-item {
    padding: 1.5rem 1rem;
  }
  
  .stat-item {
    padding: 1rem;
  }
}

/* High-resolution displays */
@media (min-width: 1400px) {
  .container,
  .container-fluid,
  .container-xxl,
  .container-xl,
  .container-lg,
  .container-md,
  .container-sm {
    max-width: 1400px;
  }
  
  .masthead h1 {
    font-size: 5rem;
  }
  
  .feature-item {
    padding: 3rem 2.5rem;
  }
}

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

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

/* Modern Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

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

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

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

/* Enhanced Button Styles */
.btn-outline-primary {
  border: 2px solid transparent;
  background: linear-gradient(white, white) padding-box, var(--primary-gradient) border-box;
  color: #667eea;
  transition: var(--transition);
}

.btn-outline-primary:hover {
  background: var(--primary-gradient);
  color: white;
  transform: translateY(-2px);
}

/* Additional Utility Classes */
.glass-effect {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.hover-scale {
  transition: var(--transition);
}

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

/* Stats Cards Styling */
.stat-item {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.stat-item:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* Mobile Stats Cards - Full Width */
@media (max-width: 767.98px) {
  .stats-section .row {
    margin: 0 -5px;
  }
  
  .stats-section .col-4 {
    padding: 0 5px;
    margin-bottom: 10px;
  }
  
  .stat-item {
    padding: 1rem 0.5rem !important;
    width: 100%;
    min-height: 80px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  
  .stat-item h3 {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
  }
  
  .stat-item p {
    font-size: 0.75rem;
    margin-bottom: 0;
  }
}

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

/* Performance Optimizations */
* {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, video {
  will-change: transform;
}

.masthead-device-mockup,
.features-device-mockup {
  will-change: transform;
}

/* Accessibility Improvements */
.btn:focus,
.nav-link:focus {
  outline: 2px solid #667eea;
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Print Styles */
@media print {
  .navbar,
  .btn,
  .modal,
  .loader {
    display: none !important;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.4;
  }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  :root {
    --light-bg: #1a1a1a;
  }
  
  .feature-item {
    background: #2d2d2d;
    color: #ffffff;
  }
  
  .feature-item h3 {
    color: #ffffff;
  }
  
  .feature-item p {
    color: #cccccc;
  }
}