/* ========================================================================================
   FROSTED GLASS EFFECTS
   ====================================================================================== */

/* Base frosted glass properties */
:root {
  --glass-blur: 20px;
  --glass-opacity: 0.15;
  --glass-border-opacity: 0.15;
  --glass-highlight-opacity: 0.05;
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --glass-border-color: rgba(255, 255, 255, 0.15);
}

/* ========================================================================================
   HEADER/NAVIGATION FROSTED GLASS
   ====================================================================================== */

/* Header Glass Effects - Base styles for header */
header.header,
.header {
  background: rgba(26, 26, 46, var(--glass-opacity)) !important;
  backdrop-filter: blur(var(--glass-blur)) !important;
  -webkit-backdrop-filter: blur(var(--glass-blur)) !important;
  border-bottom: 1px solid var(--glass-border-color) !important;
  box-shadow: var(--glass-shadow) !important;
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  z-index: 1000 !important;
  overflow: hidden;
  opacity: 1 !important;
  transform: translateY(0) !important;
  pointer-events: auto !important;
  transition: opacity 0.3s ease, transform 0.3s ease, background 0.3s ease, backdrop-filter 0.3s ease, box-shadow 0.3s ease, border 0.3s ease !important;
}

/* Styles when scrolled down - removed to keep frosted glass effect constant */
header.header.visible,
.header.visible {
  /* Same as default to prevent change on scroll */
  background: rgba(26, 26, 46, var(--glass-opacity)) !important;
  backdrop-filter: blur(var(--glass-blur)) !important;
  -webkit-backdrop-filter: blur(var(--glass-blur)) !important;
  border-bottom: 1px solid var(--glass-border-color) !important;
  box-shadow: var(--glass-shadow) !important;
}

/* Remove dark theme header override since we only have dark mode */

/* Subtle highlight effect for header */
.header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(255, 255, 255, var(--glass-highlight-opacity)) 50%, 
    transparent 100%);
  pointer-events: none;
}

/* ========================================================================================
   BUTTON FROSTED GLASS EFFECTS
   ====================================================================================== */

.btn {
  background: rgba(26, 26, 46, var(--glass-opacity));
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border-color);
  box-shadow: var(--glass-shadow);
  position: relative;
  overflow: hidden;
}

.primary-btn {
  background: rgba(163, 136, 197, 0.3);
  color: white;
}

.secondary-btn {
  background: rgba(26, 26, 46, 0.2);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 2px solid rgba(163, 136, 197, 0.6);
}

/* Remove dark theme button adjustments since we only have dark mode */

/* Button highlight effect - remove distracting white effect */
.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(163, 136, 197, 0.6) 50%, 
    transparent 100%);
  transition: left 0.5s ease;
  pointer-events: none;
}

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

/* Enhanced hover effects for frosted glass buttons */
.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
  background: rgba(163, 136, 197, 0.4);
  transition: all 0.2s ease;
}

.secondary-btn:hover {
  background: rgba(163, 136, 197, 0.3);
  border-color: rgba(163, 136, 197, 0.8);
}

/* ========================================================================================
   CONTENT CARDS FROSTED GLASS EFFECTS
   ====================================================================================== */

/* Base card glass styling */
.project-card,
.education-card,
.timeline-content,
.contact-card,
.about-wrapper {
  background: rgba(37, 42, 58, var(--glass-opacity));
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border-color);
  box-shadow: var(--glass-shadow);
  position: relative;
  overflow: hidden;
}

/* Remove dark theme card adjustments since we only have dark mode */

/* Card highlight effect - remove distracting white effect */
.project-card::before,
.education-card::before,
.timeline-content::before,
.contact-card::before,
.about-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(163, 136, 197, var(--glass-highlight-opacity)) 50%, 
    transparent 100%);
  pointer-events: none;
}

/* Enhanced hover effects for cards - faster transitions */
.project-card:hover,
.education-card:hover,
.timeline-content:hover,
.contact-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
  background: rgba(37, 42, 58, 0.25);
  transition: all 0.15s ease;
}

/* Remove dark theme hover adjustments */

/* ========================================================================================
   THEME TOGGLE FROSTED GLASS
   ====================================================================================== */

.theme-toggle {
  background: rgba(37, 42, 58, var(--glass-opacity));
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border-color);
  box-shadow: var(--glass-shadow);
  position: relative;
  overflow: hidden;
}

/* Remove dark theme toggle adjustments */

/* Theme toggle highlight */
.theme-toggle::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(163, 136, 197, 0.3) 50%, 
    transparent 100%);
  pointer-events: none;
}

.theme-toggle:hover {
  background: rgba(37, 42, 58, 0.3);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  transition: all 0.15s ease;
}

/* Remove dark theme toggle hover */

/* ========================================================================================
   CONTACT ITEMS FROSTED GLASS
   ====================================================================================== */

.contact-item {
  background: rgba(37, 42, 58, 0.1);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border-color);
  box-shadow: var(--glass-shadow);
  position: relative;
  overflow: hidden;
}

/* Remove dark theme contact item adjustments */

.contact-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(163, 136, 197, var(--glass-highlight-opacity)) 50%, 
    transparent 100%);
  pointer-events: none;
}

.contact-item:hover {
  background: rgba(37, 42, 58, 0.2);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  transition: all 0.15s ease;
}

/* Remove dark theme contact item hover */

/* ========================================================================================
   MOBILE NAVIGATION FROSTED GLASS
   ====================================================================================== */

@media screen and (max-width: 768px) {
  .nav-menu {
    background: rgba(26, 26, 46, var(--glass-opacity));
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border-color);
    box-shadow: var(--glass-shadow);
  }

  /* Remove dark theme nav menu adjustments */
}

/* ========================================================================================
   INTERACTIVE MOUSE MOVEMENT HIGHLIGHTS - Simplified
   ====================================================================================== */

/* Remove the distracting white shine effects */
.project-card,
.education-card,
.timeline-content,
.contact-card,
.btn {
  position: relative;
  transition: all 0.15s ease;
}

/* Remove all the ::after pseudo-elements for white highlights */

/* ========================================================================================
   SKILL TAGS FROSTED GLASS
   ====================================================================================== */

.skill-tag {
  background: rgba(163, 136, 197, var(--glass-opacity));
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border-color);
  box-shadow: var(--glass-shadow);
  position: relative;
  overflow: hidden;
}

/* Remove dark theme skill tag adjustments */

.skill-tag::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(163, 136, 197, 0.4) 50%, 
    transparent 100%);
  pointer-events: none;
}

.skill-tag:hover {
  background: rgba(163, 136, 197, 0.4);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  transition: all 0.15s ease;
}

/* Remove dark theme skill tag hover */

/* Different opacity levels for skill levels */
.skill-tag.expert {
  background: rgba(163, 136, 197, 0.4);
}

.skill-tag.advanced {
  background: rgba(163, 136, 197, 0.3);
}

.skill-tag.intermediate {
  background: rgba(163, 136, 197, 0.2);
}

/* Remove dark theme skill level adjustments */

/* ========================================================================================
   TECH STACK ITEMS FROSTED GLASS
   ====================================================================================== */

.tech-item {
  background: rgba(163, 136, 197, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border-color);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  color: white;
}

/* Remove dark theme tech item adjustments */

/* ========================================================================================
   BROWSER COMPATIBILITY FALLBACKS
   ====================================================================================== */

/* Fallback for browsers without backdrop-filter support */
@supports not (backdrop-filter: blur(20px)) {
  .header,
  .btn,
  .project-card,
  .education-card,
  .timeline-content,
  .contact-card,
  .about-wrapper,
  .contact-item,
  .skill-tag,
  .tech-item {
    background: rgba(37, 42, 58, 0.95);
  }
}

/* ========================================================================================
   PERFORMANCE OPTIMIZATIONS
   ====================================================================================== */

/* Use transform3d to trigger GPU acceleration for smoother animations */
.project-card,
.education-card,
.timeline-content,
.contact-card,
.btn,
.skill-tag {
  transform: translate3d(0, 0, 0);
  will-change: transform;
  backface-visibility: hidden;
}

/* Optimize backdrop-filter rendering */
.header,
.btn,
.project-card,
.education-card,
.timeline-content,
.contact-card,
.about-wrapper,
.contact-item,
.skill-tag,
.tech-item {
  isolation: isolate;
  contain: layout style paint;
}