/* Enhanced CSS for SBTC Website */
/* Additional styles for better visual appeal */

/* Enhanced Typography */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  --enhanced-green: #00ff66;
  --enhanced-blue: #00d4ff;
  --enhanced-accent: #ff6b35;
  --enhanced-shadow: 0 20px 60px rgba(0,255,102,0.3);
  --enhanced-glow: 0 0 30px rgba(0,255,102,0.5);
}

/* Scroll Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

/* Enhanced Buttons */
.btn-enhanced {
  position: relative;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.btn-enhanced::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

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

/* Card Enhancements */
.card-enhanced {
  background: linear-gradient(135deg, rgba(0,0,0,0.9), rgba(10,10,10,0.8));
  backdrop-filter: blur(20px);
  border: 1px solid rgba(0,255,102,0.2);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.card-enhanced:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: var(--enhanced-shadow);
  border-color: var(--enhanced-green);
}

/* Text Gradients */
.text-gradient-green {
  background: linear-gradient(135deg, var(--enhanced-green), #00cc55);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-blue {
  background: linear-gradient(135deg, var(--enhanced-blue), #0099cc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Glow Effects */
.glow-green {
  text-shadow: 0 0 30px rgba(0,255,102,0.5);
}

.glow-blue {
  text-shadow: 0 0 30px rgba(0,212,255,0.5);
}

/* Parallax Elements */
.parallax-slow {
  transform: translateZ(-1px) scale(2);
}

.parallax-medium {
  transform: translateZ(-0.5px) scale(1.5);
}

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

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

/* Enhanced Grid System */
.grid-enhanced {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

/* Micro-interactions */
.scale-hover:hover {
  transform: scale(1.05);
}

.rotate-hover:hover {
  transform: rotate(5deg);
}

/* Enhanced Shadows */
.shadow-enhanced {
  box-shadow: 
    0 10px 40px rgba(0,0,0,0.3),
    0 20px 60px rgba(0,255,102,0.1),
    0 0 0 1px rgba(0,255,102,0.1);
}

/* Background Patterns */
.pattern-dots {
  background-image: radial-gradient(circle, rgba(0,255,102,0.1) 1px, transparent 1px);
  background-size: 30px 30px;
}

.pattern-grid {
  background-image: 
    linear-gradient(rgba(0,255,102,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,102,0.05) 1px, transparent 1px);
  background-size: 50px 50px;
}

/* Responsive Enhancements */
@media (min-width: 1200px) {
  .container-enhanced {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
  }
}

/* Performance Optimizations */
.gpu-accelerated {
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000px;
}

/* Accessibility Enhancements */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* Focus States */
.focus-enhanced:focus {
  outline: 2px solid var(--enhanced-green);
  outline-offset: 2px;
}

/* Dark Mode Enhancements */
@media (prefers-color-scheme: dark) {
  :root {
    --enhanced-green: #00ff88;
    --enhanced-blue: #00eeff;
  }
}

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