/**
 * KUMSC Main Stylesheet
 * 
 * Custom styles for the KUMSC website
 * Built with Tailwind CSS utility classes
 */

/* Custom CSS Variables */
:root {
  --color-primary: #2f3033;
  --color-secondary: #264653;
  --color-accent: #ff8c42;
  --color-light: #f4f1de;
  --color-muted: #6b8891;
  
  --footer-bg: #1a1a1a;
  --footer_text: #a0a0a0;
  --footer_accent: #ff8c42;
  --footer_border: #333333;
}

/* Base Styles */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.animate__fadeIn {
  animation: fadeIn 0.5s ease-in-out;
}

.animate__slideUp {
  animation: slideUp 0.5s ease-out;
}

/* Line Clamp Utility */
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Glass Morphism Effect */
.glass-morphism {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Gradient Text */
.gradient-text {
  background: linear-gradient(135deg, #ff8c42 0%, #264653 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Card Hover Effects */
.card-hover {
  transition: all 0.3s ease;
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Button Styles */
.btn-primary {
  background-color: var(--color-accent);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn-primary:hover {
  background-color: #e67220;
  transform: scale(1.05);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-secondary);
  border: 2px solid var(--color-secondary);
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

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

/* Section Dividers */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-muted), transparent);
  margin: 2rem 0;
}

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

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

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

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

/* Focus Styles for Accessibility */
*:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Print Styles */
@media print {
  header,
  footer,
  nav,
  .no-print {
    display: none !important;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.5;
  }
  
  a {
    text-decoration: underline;
  }
  
  a[href]::after {
    content: " (" attr(href) ")";
  }
}

/* Responsive Utilities */
@media (max-width: 640px) {
  .mobile-hide {
    display: none;
  }
}

@media (min-width: 641px) {
  .mobile-only {
    display: none;
  }
}

/* Loading Spinner */
.spinner {
  border: 3px solid rgba(255, 140, 66, 0.2);
  border-radius: 50%;
  border-top-color: var(--color-accent);
  animation: spin 0.8s linear infinite;
}

/* Image Lazy Loading Fade In */
img[loading="lazy"] {
  transition: opacity 0.3s ease;
}

img[loading="lazy"]:not([src]) {
  opacity: 0;
}

/* Text Selection Color */
::selection {
  background-color: var(--color-accent);
  color: white;
}

::-moz-selection {
  background-color: var(--color-accent);
  color: white;
}