/* Glassmorphic Design System for Portfolio
   Modern frosted glass aesthetic with transparency and blur effects
   IMPORTANT: Text colors and visibility are preserved */

/* ============================================
   GLASSMORPHIC UTILITIES & BASE STYLES
   ============================================ */

/* Glassmorphic Card - Primary Style */
.glass-card {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08),
              inset 0 1px 1px rgba(255, 255, 255, 0.3);
  transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.1) 50%, rgba(255, 255, 255, 0) 100%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.glass-card:hover {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 16px 56px rgba(0, 0, 0, 0.15),
              inset 0 1px 1px rgba(255, 255, 255, 0.4);
  transform: translateY(-6px) scale(1.02);
  border-color: rgba(0, 123, 255, 0.3);
}

.glass-card:hover::before {
  opacity: 1;
}

/* Glassmorphic Card Dark - For dark backgrounds */
.glass-card-dark {
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  transition: all 0.3s ease;
}

.glass-card-dark:hover {
  background: rgba(0, 0, 0, 0.75);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.2);
}

/* Glassmorphic Container */
.glass-container {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

/* Glassmorphic Panel */
.glass-panel {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 20px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.1);
}

/* ============================================
   BUTTON STYLES - GLASMORPHIC VARIANTS
   ============================================ */

/* Glass Button Primary */
.glass-btn {
  background: linear-gradient(135deg, rgba(0, 105, 217, 0.95) 0%, rgba(0, 73, 160, 0.95) 100%);
  color: white !important;
  border: 2px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 12px 28px;
  border-radius: 30px;
  font-weight: 600;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
  box-shadow: 0 4px 20px rgba(0, 105, 217, 0.25),
              inset 0 1px 1px rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
}

.glass-btn::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: left 0.6s ease;
}

.glass-btn:hover {
  background: linear-gradient(135deg, rgba(0, 73, 160, 0.98) 0%, rgba(0, 49, 115, 0.98) 100%);
  color: white !important;
  box-shadow: 0 8px 32px rgba(0, 105, 217, 0.35),
              inset 0 1px 1px rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.4);
  text-decoration: none;
}

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

.glass-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 15px rgba(0, 105, 217, 0.2),
              inset 0 1px 1px rgba(255, 255, 255, 0.2);
}

/* Glass Button Secondary */
.glass-btn-secondary {
  background: linear-gradient(135deg, rgba(108, 117, 125, 0.9) 0%, rgba(80, 90, 99, 0.9) 100%);
  color: white !important;
  border: 2px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 12px 28px;
  border-radius: 30px;
  font-weight: 600;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
  box-shadow: 0 4px 20px rgba(108, 117, 125, 0.2),
              inset 0 1px 1px rgba(255, 255, 255, 0.15);
  position: relative;
  overflow: hidden;
}

.glass-btn-secondary:hover {
  background: linear-gradient(135deg, rgba(80, 90, 99, 0.98) 0%, rgba(60, 70, 80, 0.98) 100%);
  color: white !important;
  box-shadow: 0 8px 32px rgba(108, 117, 125, 0.3),
              inset 0 1px 1px rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.35);
  text-decoration: none;
}

.glass-btn-secondary:active {
  transform: translateY(0);
  box-shadow: 0 2px 15px rgba(108, 117, 125, 0.15);
}

/* Glass Button Outline */
.glass-btn-outline {
  background: rgba(255, 255, 255, 0.15);
  color: #007bff !important;
  border: 2.5px solid rgba(0, 123, 255, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 11px 27px;
  border-radius: 30px;
  font-weight: 600;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
  position: relative;
  overflow: hidden;
}

.glass-btn-outline:hover {
  background: rgba(0, 123, 255, 0.2);
  color: #0059b3 !important;
  border-color: rgba(0, 123, 255, 0.9);
  box-shadow: 0 6px 28px rgba(0, 123, 255, 0.25),
              inset 0 1px 1px rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  text-decoration: none;
}

.glass-btn-outline:active {
  transform: translateY(0);
  box-shadow: 0 2px 12px rgba(0, 123, 255, 0.15);
}

/* ============================================
   SECTION BACKGROUNDS
   ============================================ */

/* Glass Background Light */
.glass-bg-light {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(240, 242, 245, 0.95) 100%);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

/* Glass Background Dark */
.glass-bg-dark {
  background: linear-gradient(135deg, rgba(15, 15, 20, 0.95) 0%, rgba(25, 25, 35, 0.95) 100%);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

/* Glass Overlay */
.glass-overlay {
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}

/* ============================================
   SPECIFIC COMPONENT ENHANCEMENTS
   ============================================ */

/* Glassmorphic Cards for Projects/Blog */
.glass-card-project {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: 1.5px solid rgba(255, 255, 255, 0.28);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.1),
              inset 0 1.5px 1.5px rgba(255, 255, 255, 0.4);
  transition: all 0.5s cubic-bezier(0.23, 1, 0.320, 1);
  position: relative;
}

.glass-card-project::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(0, 123, 255, 0.1) 0%, rgba(0, 123, 255, 0) 70%);
  opacity: 0;
  transition: opacity 0.5s ease;
  z-index: 0;
}

.glass-card-project:hover {
  background: rgba(255, 255, 255, 0.98);
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 16px 60px rgba(0, 0, 0, 0.18),
              inset 0 2px 2px rgba(255, 255, 255, 0.5);
  border-color: rgba(0, 123, 255, 0.4);
}

.glass-card-project:hover::before {
  opacity: 1;
}

.glass-card-project > * {
  position: relative;
  z-index: 1;
}

/* Glassmorphic Input Fields */
.glass-input {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(0, 123, 255, 0.3) !important;
  border-radius: 8px;
  color: #333 !important;
  transition: all 0.3s ease;
}

.glass-input:focus {
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(0, 123, 255, 0.6) !important;
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

/* Glassmorphic Textarea */
.glass-textarea {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(0, 123, 255, 0.3) !important;
  border-radius: 8px;
  color: #333 !important;
  transition: all 0.3s ease;
}

.glass-textarea:focus {
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(0, 123, 255, 0.6) !important;
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

/* ============================================
   NAVIGATION ENHANCEMENTS
   ============================================ */

/* Glassmorphic Navbar */
.glass-navbar {
  background: rgba(0, 0, 0, 0.8) !important;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* Glassmorphic Dropdown */
.glass-dropdown {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

/* ============================================
   BADGE & LABEL STYLES
   ============================================ */

/* Glassmorphic Badge */
.glass-badge {
  background: rgba(0, 123, 255, 0.85);
  color: white;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 0.85rem;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */

@media (max-width: 768px) {
  .glass-card,
  .glass-card-dark,
  .glass-card-project {
    border-radius: 10px;
  }

  .glass-container {
    padding: 16px;
    border-radius: 12px;
  }

  .glass-btn {
    padding: 8px 16px;
    font-size: 0.95rem;
  }
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes glassSlideIn {
  from {
    opacity: 0;
    transform: translateY(10px);
    backdrop-filter: blur(0);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    backdrop-filter: blur(10px);
  }
}

.glass-animation-slide {
  animation: glassSlideIn 0.6s ease-out;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

/* Text Colors - PRESERVED */
.text-primary-glass {
  color: #007bff !important;
}

.text-dark-glass {
  color: #333 !important;
}

.text-light-glass {
  color: #f8f9fa !important;
}

/* Spacing for glass components */
.glass-gap-sm {
  gap: 0.5rem;
}

.glass-gap-md {
  gap: 1rem;
}

.glass-gap-lg {
  gap: 1.5rem;
}

/* ============================================
   FOOTER STYLES
   ============================================ */

/* Glassmorphic Footer */
footer.glass-footer {
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.85) 0%, rgba(15, 15, 25, 0.85) 100%);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 2px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.15),
              inset 0 1px 1px rgba(255, 255, 255, 0.1);
  color: #f0f0f0;
  position: relative;
  overflow: hidden;
}

footer.glass-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

footer.glass-footer h5 {
  color: #ffffff !important;
  font-weight: 700;
  margin-bottom: 20px;
  transition: all 0.3s ease;
}

footer.glass-footer h5:hover {
  color: #007bff !important;
  text-shadow: 0 0 10px rgba(0, 123, 255, 0.3);
}

footer.glass-footer a {
  color: #b0b0b0;
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
}

footer.glass-footer a:hover {
  color: #007bff;
  text-shadow: 0 0 8px rgba(0, 123, 255, 0.3);
}

footer.glass-footer a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #007bff, transparent);
  transition: width 0.3s ease;
}

footer.glass-footer a:hover::after {
  width: 100%;
}

footer.glass-footer p {
  color: #b0b0b0 !important;
  line-height: 1.8;
}

footer.glass-footer li {
  color: #b0b0b0;
  margin-bottom: 10px;
  transition: all 0.3s ease;
  padding-left: 5px;
}

footer.glass-footer li:hover {
  color: #007bff;
  padding-left: 10px;
}

footer.glass-footer li i {
  margin-right: 10px;
  color: #007bff;
}

/* Footer Bottom divider */
footer.glass-footer .footer-divider {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  margin-top: 30px;
}

/* Social Links in Footer */
footer.glass-footer .social-links {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

footer.glass-footer .social-links a {
  width: 45px;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 123, 255, 0.15);
  border: 1.5px solid rgba(0, 123, 255, 0.3);
  border-radius: 50%;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
  color: #007bff !important;
}

footer.glass-footer .social-links a:hover {
  background: rgba(0, 123, 255, 0.3);
  border-color: rgba(0, 123, 255, 0.6);
  transform: translateY(-3px) scale(1.1);
  box-shadow: 0 6px 20px rgba(0, 123, 255, 0.3);
}

/* Copyright text styling */
footer.glass-footer .copyright-text {
  color: #717171 !important;
  font-size: 0.9rem;
  margin-top: 20px;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
}

/* ============================================
   CONTACT FORM STYLING
   ============================================ */

.contact-form-container {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border: 1.5px solid rgba(0, 123, 255, 0.25);
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08),
              inset 0 1px 1px rgba(255, 255, 255, 0.5);
  max-width: 600px;
  margin: auto;
}

.contact-form-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
}

.contact-form-container h4 {
  color: #2c3e50;
  font-weight: 700;
  margin-bottom: 24px;
}

.contact-form-container .form-group label {
  font-weight: 600;
  color: #495057;
  margin-bottom: 8px;
}

.contact-form-container .form-control,
.contact-form-container textarea {
  background: rgba(255, 255, 255, 0.95);
  border: 1.5px solid rgba(0, 123, 255, 0.2) !important;
  border-radius: 10px;
  color: #333;
  transition: all 0.3s cubic-bezier(0.23, 1, 0.320, 1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.contact-form-container .form-control:focus,
.contact-form-container textarea:focus {
  background: rgba(255, 255, 255, 0.98);
  border-color: rgba(0, 123, 255, 0.5) !important;
  box-shadow: 0 6px 20px rgba(0, 123, 255, 0.15),
              inset 0 1px 2px rgba(255, 255, 255, 0.5);
  outline: none;
}

.contact-form-container .input-group-text {
  background: linear-gradient(135deg, #0069d9, #0055cc) !important;
  color: white !important;
  border: none !important;
  font-weight: 600;
  border-radius: 10px 0 0 10px;
}

.contact-form-container .btn-primary {
  background: linear-gradient(135deg, #0069d9 0%, #0055cc 100%);
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  border-radius: 10px;
  font-weight: 600;
  padding: 12px 24px;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
  box-shadow: 0 6px 20px rgba(0, 105, 217, 0.25);
  position: relative;
  overflow: hidden;
}

.contact-form-container .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: left 0.6s ease;
}

.contact-form-container .btn-primary:hover {
  background: linear-gradient(135deg, #004fb3 0%, #003d99 100%);
  box-shadow: 0 10px 30px rgba(0, 105, 217, 0.35);
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.4);
}

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

.contact-form-container .btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 4px 15px rgba(0, 105, 217, 0.2);
}

/* ============================================
   TESTIMONIAL STYLING
   ============================================ */

.testimonial-item {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border: 1.5px solid rgba(0, 123, 255, 0.2);
  border-radius: 16px;
  padding: 32px;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08),
              inset 0 1px 1px rgba(255, 255, 255, 0.5);
  text-align: center;
}

.testimonial-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
}

.testimonial-item img {
  width: 100px;
  height: 100px;
  object-fit: cover;
  border: 2px solid rgba(0, 123, 255, 0.3);
  transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
}

.testimonial-item:hover img {
  border-color: rgba(0, 123, 255, 0.6);
  box-shadow: 0 6px 20px rgba(0, 123, 255, 0.2);
  transform: scale(1.08);
}

.testimonial-item blockquote {
  margin: 0;
}

.testimonial-item .blockquote p {
  font-size: 1.1em;
  color: #333;
  font-style: italic;
  line-height: 1.8;
  margin-bottom: 16px;
}

.testimonial-item .blockquote-footer {
  color: #666;
  font-size: 0.95em;
  border-top: 1px solid rgba(0, 123, 255, 0.2);
  padding-top: 12px;
}

.testimonial-item .blockquote-footer cite {
  color: #0069d9;
  font-style: normal;
}

/* Carousel control styling */
.carousel-control-prev,
.carousel-control-next {
  width: 50px;
  height: 50px;
  background: rgba(0, 123, 255, 0.15);
  backdrop-filter: blur(8px);
  border: 1.5px solid rgba(0, 123, 255, 0.3);
  border-radius: 50%;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.8;
  transition: all 0.3s cubic-bezier(0.23, 1, 0.320, 1);
}

.carousel-control-prev:hover,
.carousel-control-next:hover {
  background: rgba(0, 123, 255, 0.25);
  border-color: rgba(0, 123, 255, 0.5);
  opacity: 1;
  box-shadow: 0 6px 20px rgba(0, 123, 255, 0.2);
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
  filter: invert(1);
}

/* ============================================
   ACCESSIBILITY & FALLBACKS
   ============================================ */

/* Fallback for browsers without backdrop-filter support */
@supports not (backdrop-filter: blur(10px)) {
  .glass-card,
  .glass-card-dark,
  .glass-container,
  .glass-panel {
    background-color: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(0, 0, 0, 0.1);
  }

  .glass-card-dark {
    background-color: rgba(0, 0, 0, 0.8);
    border-color: rgba(255, 255, 255, 0.2);
  }
}

/* Print media - revert glass effects */
@media print {
  .glass-card,
  .glass-card-dark,
  .glass-container,
  .glass-panel {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background-color: white;
  }
}