/*
  Theme Name: DevFolio
  Theme URL: https://bootstrapmade.com/devfolio-bootstrap-portfolio-html-template/
  Author: BootstrapMade.com
  License: https://bootstrapmade.com/license/
*/

/*======================================
//--//-->   MODERN PORTFOLIO DESIGN
//--//-->   İbrahim Atmaca - Senior Mobile Developer
======================================*/

/* CSS Custom Properties for themes */
:root {
  --primary-color: #2563EB;
  --primary-dark: #1D4ED8;
  --secondary-color: #22D3EE;
  --secondary-dark: #06B6D4;
  --accent-color: #4ecdc4;
  --success-color: #22C55E;
  --warning-color: #FACC15;
  --error-color: #EF4444;
  
  /* Simplified gradients */
  --gradient-primary: var(--primary-color);
  --gradient-secondary: var(--secondary-color);
  --gradient-dark: var(--bg-secondary);
  --gradient-matrix: var(--bg-secondary);
  --gradient-mobile: var(--primary-color);
  --gradient-code: var(--primary-color);
  
  /* Animation variables */
  --matrix-speed: 20s;
  --glow-animation: 2s;
}

/* Dark Theme - Modern Professional */
[data-theme="dark"] {
  --bg-color: #18181B;
  --bg-secondary: #232336;
  --bg-tertiary: #27272A;
  --card-bg: rgba(35, 35, 54, 0.95);
  --text-color: #F3F4F6;
  --text-secondary: #A1A1AA;
  --text-muted: #71717A;
  --border-color: #27272A;
  --shadow: rgba(0, 0, 0, 0.6);
  --shadow-heavy: rgba(0, 0, 0, 0.8);
  --navbar-bg: rgba(24, 24, 27, 0.95);
  --footer-bg: var(--bg-color);
  
  /* Dark Theme Specific Colors */
  --code-bg: #1F1F23;
  --code-border: #27272A;
  --mobile-accent: #60A5FA;
  --primary-color: #60A5FA;
  --primary-dark: #3B82F6;
  --secondary-color: #67E8F9;
  --secondary-dark: #22D3EE;
  --success-color: #4ADE80;
  --warning-color: #FDE68A;
  --error-color: #F87171;
  
  /* Matrix colors for dark theme */
  --matrix-color: #67E8F9;
  --matrix-bg: rgba(103, 232, 249, 0.08);
  --matrix-glow: rgba(103, 232, 249, 0.3);
  
  /* Button colors */
  --button-bg: #3B82F6;
  --button-text: #F3F4F6;
  --button-disabled: #27272A;
  
  /* Simplified gradients */
  --gradient-primary: var(--mobile-accent);
  --gradient-secondary: var(--secondary-color);
  --gradient-code: var(--mobile-accent);
}

/* Light Theme - Modern Professional */
[data-theme="light"] {
  --bg-color: #F9FAFB;
  --bg-secondary: #FFFFFF;
  --bg-tertiary: #E5E7EB;
  --card-bg: rgba(255, 255, 255, 0.95);
  --text-color: #111827;
  --text-secondary: #6B7280;
  --text-muted: #9CA3AF;
  --border-color: #E5E7EB;
  --shadow: rgba(0, 0, 0, 0.1);
  --shadow-heavy: rgba(0, 0, 0, 0.15);
  --navbar-bg: rgba(249, 250, 251, 0.95);
  --footer-bg: var(--bg-color);
  
  /* Light Theme Specific Colors */
  --code-bg: #F9FAFB;
  --code-border: #E5E7EB;
  --mobile-accent: #2563EB;
  --primary-color: #2563EB;
  --primary-dark: #1D4ED8;
  --secondary-color: #22D3EE;
  --secondary-dark: #06B6D4;
  --success-color: #22C55E;
  --warning-color: #FACC15;
  --error-color: #EF4444;
  
  /* Matrix colors for light theme */
  --matrix-color: #2563EB;
  --matrix-bg: rgba(37, 99, 235, 0.05);
  --matrix-glow: rgba(37, 99, 235, 0.2);
  
  /* Button colors */
  --button-bg: #2563EB;
  --button-text: #FFFFFF;
  --button-disabled: #E5E7EB;
  
  /* Simplified gradients */
  --gradient-primary: var(--mobile-accent);
  --gradient-secondary: var(--secondary-color);
  --gradient-code: var(--mobile-accent);
}

/*======================================
//--//-->   GLOBAL STYLES
======================================*/

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background: var(--bg-color);
  overflow-x: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  min-height: 100vh;
  /* Optimize rendering */
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html {
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-color);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

a {
  color: var(--mobile-accent);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: var(--primary-dark);
  text-decoration: none;
}

/* Global theme transitions */
*,
*::before,
*::after {
  transition: background-color 0.3s ease, 
              color 0.3s ease, 
              border-color 0.3s ease,
              box-shadow 0.3s ease;
}

/*======================================
//--//-->   MATRIX BACKGROUND ANIMATION
======================================*/

.matrix-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: var(--bg-color);
  overflow: hidden;
  transition: all 0.3s ease;
}

.matrix-rain {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.matrix-char {
  position: absolute;
  color: var(--matrix-color);
  font-family: 'Courier New', monospace;
  font-size: 14px;
  opacity: 0.7;
  animation: matrixDrop 10s linear infinite;
  text-shadow: 0 0 5px var(--matrix-color);
  transition: color 0.3s ease, text-shadow 0.3s ease;
  will-change: transform;
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000px;
}

/* Theme specific matrix effects */
[data-theme="dark"] .matrix-char {
  text-shadow: 0 0 8px var(--matrix-color), 0 0 12px var(--matrix-glow);
}

[data-theme="light"] .matrix-char {
  text-shadow: 0 0 4px var(--matrix-color), 0 0 8px var(--matrix-glow);
  opacity: 0.5;
}

@keyframes matrixDrop {
  0% {
    transform: translateY(-100vh);
    opacity: 0;
  }
  10% {
    opacity: 0.7;
  }
  90% {
    opacity: 0.3;
  }
  100% {
    transform: translateY(100vh);
    opacity: 0;
  }
}

/*======================================
//--//-->   NAVBAR MODERN DESIGN
======================================*/

.navbar-b {
  background: var(--navbar-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1000;
}

.navbar-b.navbar-reduce {
  padding: 0.5rem 0;
  box-shadow: 0 4px 20px var(--shadow);
}

.navbar-brand {
  font-size: 1.5rem !important;
  font-weight: 700 !important;
  color: var(--mobile-accent) !important;
}

.navbar-nav .nav-link {
  color: var(--text-secondary) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  margin: 0 0.2rem;
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--primary-color) !important;
  background: var(--matrix-bg);
  transform: translateY(-2px);
}

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--mobile-accent);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
  width: 80%;
}

/* Theme Toggle Button */
.theme-toggle {
  background: var(--card-bg);
  border: 2px solid var(--mobile-accent);
  color: var(--text-color);
  padding: 10px 15px;
  border-radius: 50px;
  cursor: pointer;
  font-size: 16px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  margin-left: 1rem;
  display: flex;
  align-items: center;
  gap: 8px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
}

.theme-toggle::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 0.5s;
}

.theme-toggle:hover::before {
  left: 100%;
}

.theme-toggle:hover {
  background: var(--mobile-accent);
  border-color: var(--mobile-accent);
  color: white;
  transform: scale(1.05);
  box-shadow: 0 0 25px var(--matrix-glow);
}

.theme-toggle:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--matrix-glow);
}

.theme-toggle i {
  font-size: 18px;
  transition: transform 0.3s ease;
}

.theme-toggle:hover i {
  transform: rotate(180deg);
}

.theme-toggle span {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Theme specific button styles */
[data-theme="dark"] .theme-toggle {
  border-color: var(--secondary-color);
  box-shadow: 0 0 15px rgba(103, 232, 249, 0.2);
}

[data-theme="dark"] .theme-toggle:hover {
  background: var(--secondary-color);
  border-color: var(--secondary-color);
  box-shadow: 0 0 30px var(--matrix-glow);
}

[data-theme="light"] .theme-toggle {
  border-color: var(--mobile-accent);
  box-shadow: 0 0 15px rgba(37, 99, 235, 0.2);
}

[data-theme="light"] .theme-toggle:hover {
  background: var(--mobile-accent);
  border-color: var(--mobile-accent);
  box-shadow: 0 0 30px var(--matrix-glow);
}

/*======================================
//--//-->   MODERN HERO SECTION - PERSONAL BRANDING
======================================*/

.hero-modern {
  position: relative;
  background: transparent;
  overflow: hidden;
  padding: 6rem 0 2rem 0;
}

.hero-content {
  padding: 2rem 0;
  animation: heroContentFadeIn 1s ease-out;
}

/* Hero Name - Premium Typography */
.hero-name {
  position: relative;
  margin-bottom: 1.5rem;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--text-color);
}

.name-text {
  position: relative;
  z-index: 2;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color), var(--primary-color));
  background-size: 200% 200%;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientShift 4s ease-in-out infinite;
}

.hero-glow-border {
  display: none;
}

/* Hero Subtitle */
.hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.text-slider-wrapper {
  position: relative;
  display: inline-block;
}

/* Skills Badges */
.hero-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
  animation: skillsSlideIn 1s ease-out 0.3s both;
}

.skill-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-color);
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.skill-badge::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.6s ease;
}

.skill-badge:hover::before {
  left: 100%;
}

.skill-badge:hover {
  transform: translateY(-2px);
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
}

/* Hero Intro Paragraph */
.hero-intro {
  margin-bottom: 2.5rem;
  animation: introSlideIn 1s ease-out 0.6s both;
}

.hero-intro p {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 600px;
}

/* CTA Buttons */
.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: actionsSlideIn 1s ease-out 0.9s both;
}

.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  padding: 1rem 2rem;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
  position: relative;
  overflow: hidden;
}

.btn-hero-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;
}

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

.btn-hero-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(37, 99, 235, 0.6);
  color: white;
  text-decoration: none;
}

.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  padding: 1rem 2rem;
  background: transparent;
  color: var(--text-color);
  text-decoration: none;
  border: 2px solid var(--border-color);
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.btn-hero-secondary:hover {
  background: var(--card-bg);
  border-color: var(--primary-color);
  transform: translateY(-3px);
  color: var(--primary-color);
  text-decoration: none;
  box-shadow: 0 8px 25px var(--shadow);
}

/* Hero Avatar */
.hero-image {
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: avatarSlideIn 1s ease-out 0.2s both;
}

.hero-avatar {
  position: relative;
  width: 280px;
  height: 280px;
  margin-bottom: 1.5rem;
}

.avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid var(--bg-color);
  position: relative;
  z-index: 2;
  display: block;
  background-color: #f0f0f0;
}

.avatar-glow {
  position: absolute;
  top: -10px;
  left: -10px;
  right: -10px;
  bottom: -10px;
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  filter: blur(20px);
  opacity: 0.4;
  animation: avatarGlow 3s ease-in-out infinite;
  z-index: 1;
}

.avatar-ring {
  position: absolute;
  top: -8px;
  left: -8px;
  right: -8px;
  bottom: -8px;
  border: 2px solid var(--primary-color);
  border-radius: 50%;
  animation: ringRotate 10s linear infinite;
  z-index: 3;
}

.avatar-ring::before {
  content: '';
  position: absolute;
  top: -2px;
  left: 50%;
  width: 8px;
  height: 8px;
  background: var(--secondary-color);
  border-radius: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 10px var(--secondary-color);
}

/* Status Badge */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-color);
  backdrop-filter: blur(10px);
  animation: statusPulse 2s ease-in-out infinite;
}

.status-indicator {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: indicatorBlink 2s ease-in-out infinite;
  box-shadow: 0 0 10px #22c55e;
}

/* Floating Elements */
.hero-floating-elements {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.floating-code {
  position: absolute;
  top: 20%;
  left: 10%;
  font-size: 2rem;
  color: var(--primary-color);
  opacity: 0.3;
  animation: floatUpDown 6s ease-in-out infinite;
}

.floating-mobile {
  position: absolute;
  top: 60%;
  right: 15%;
  font-size: 1.5rem;
  animation: floatLeftRight 8s ease-in-out infinite;
  opacity: 0.4;
}

.floating-rocket {
  position: absolute;
  bottom: 30%;
  left: 15%;
  font-size: 1.5rem;
  animation: floatRotate 10s linear infinite;
  opacity: 0.3;
}

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

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes glowPulse {
  0%, 100% { 
    opacity: 0.3;
    transform: scale(1);
  }
  50% { 
    opacity: 0.6;
    transform: scale(1.02);
  }
}

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

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

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

@keyframes avatarSlideIn {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes avatarGlow {
  0%, 100% { 
    opacity: 0.4;
    transform: scale(1);
  }
  50% { 
    opacity: 0.7;
    transform: scale(1.05);
  }
}

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

@keyframes statusPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes indicatorBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes floatUpDown {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

@keyframes floatLeftRight {
  0%, 100% { transform: translateX(0px); }
  50% { transform: translateX(15px); }
}

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

/* Responsive Design */
@media (max-width: 768px) {
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .btn-hero-primary,
  .btn-hero-secondary {
    width: 100%;
    justify-content: center;
  }
  
  .hero-avatar {
    width: 200px;
    height: 200px;
  }
  
  .hero-skills {
    justify-content: center;
  }
  
  .hero-content {
    text-align: center;
  }
  
  .hero-intro p {
    max-width: 100%;
  }
}

/*======================================
//--//-->   MODERN BUTTONS
======================================*/

.btn-modern {
  background: var(--mobile-accent);
  border: none;
  color: white;
  padding: 1rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  z-index: 1;
  display: inline-block;
  text-decoration: none;
  box-shadow: 0 4px 15px var(--matrix-bg);
}

.btn-modern::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 0.5s;
  z-index: -1;
}

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

.btn-modern:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px var(--matrix-glow);
  color: white;
  background: var(--primary-dark);
  text-decoration: none;
}

.btn-outline-modern {
  background: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  padding: 1rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.3s ease;
  display: inline-block;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-outline-modern::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--primary-color);
  transition: left 0.3s ease;
  z-index: -1;
}

.btn-outline-modern:hover::before {
  left: 0;
}

.btn-outline-modern:hover {
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 10px 30px var(--matrix-glow);
  text-decoration: none;
  border-color: var(--primary-color);
}

/*======================================
//--//-->   MODERN CARDS
======================================*/

.card-modern {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.card-modern::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--mobile-accent);
}

.card-modern:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px var(--shadow-heavy);
  border-color: var(--primary-color);
}

/*======================================
//--//-->   SECTION STYLES
======================================*/

.section-modern {
  padding: 6rem 0;
  position: relative;
}

.section-title {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--mobile-accent);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/*======================================
//--//-->   TIMELINE MODERN
======================================*/

.timeline-modern {
  position: relative;
  padding: 2rem 0;
}

.timeline-modern::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--mobile-accent);
  transform: translateX(-50%);
  border-radius: 2px;
}

.timeline-item-modern {
  display: flex;
  margin-bottom: 4rem;
  position: relative;
}

.timeline-item-modern:nth-child(even) {
  flex-direction: row-reverse;
}

.timeline-content-modern {
  flex: 1;
  margin: 0 2rem;
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.timeline-content-modern:hover {
  transform: scale(1.02);
  box-shadow: 0 15px 35px var(--shadow);
}

.timeline-marker-modern {
  position: absolute;
  left: 50%;
  top: 2rem;
  width: 20px;
  height: 20px;
  background: var(--primary-color);
  border: 4px solid var(--bg-color);
  border-radius: 50%;
  transform: translateX(-50%);
  z-index: 2;
  box-shadow: 0 0 0 4px var(--primary-color);
}

/* Experience Badges */
.timeline-content-modern .badge {
  background: var(--mobile-accent) !important;
  color: #FFFFFF !important;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  border: none;
  transition: all 0.3s ease;
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
  display: inline-block;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

/* Force white text for both themes */
[data-theme="light"] .timeline-content-modern .badge,
[data-theme="dark"] .timeline-content-modern .badge {
  color: #FFFFFF !important;
}

.timeline-content-modern .badge:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
}

/*======================================
//--//-->   SKILLS MODERN - SENIOR LEVEL
======================================*/

.skill-modern {
  margin-bottom: 1.5rem;
  position: relative;
  transition: all 0.3s ease;
  padding: 1.2rem 1.5rem;
  background: var(--bg-secondary);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.skill-modern:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--shadow);
  border-color: var(--primary-color);
}

.skill-modern .skill-name {
  display: flex;
  align-items: center;
  font-weight: 600;
  margin: 0;
}

.skill-modern .skill-name span {
  display: flex;
  align-items: center;
  font-size: 1rem;
  color: var(--text-color);
}

.skill-modern .skill-name i {
  color: var(--mobile-accent);
  transition: all 0.3s ease;
  font-size: 1.1rem;
  margin-right: 0.75rem;
}

.skill-modern:hover .skill-name i {
  transform: scale(1.1);
  color: var(--secondary-color);
}

.skill-badges {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.skill-badges .badge {
  font-size: 0.75rem;
  padding: 0.35rem 0.7rem;
  border-radius: 15px;
  font-weight: 600;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.skill-badges .badge.bg-success {
  background: var(--success-color) !important;
  color: #FFFFFF !important;
  box-shadow: 0 2px 8px rgba(34, 197, 94, 0.3);
}

.skill-badges .badge.bg-warning {
  background: var(--warning-color) !important;
  color: var(--text-color) !important;
  box-shadow: 0 2px 8px rgba(250, 204, 21, 0.3);
}

.skill-badges .badge.bg-primary {
  background: var(--mobile-accent) !important;
  color: #FFFFFF !important;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

/* Force white text for specific badges */
[data-theme="light"] .skill-badges .badge.bg-success,
[data-theme="dark"] .skill-badges .badge.bg-success,
[data-theme="light"] .skill-badges .badge.bg-primary,
[data-theme="dark"] .skill-badges .badge.bg-primary {
  color: #FFFFFF !important;
}

.skill-experience {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-style: italic;
  margin-top: 0.5rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.skill-modern:hover .skill-experience {
  opacity: 1;
}

/* Skills Grid Layout - Senior */
#skills-categories {
  gap: 2rem;
}

#skills-categories .card-modern {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2rem;
  transition: all 0.3s ease;
  height: auto;
  min-height: auto;
}

.skills-section {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 2rem;
}

.skills-section:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

#skills-categories .card-modern:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px var(--shadow);
  border-color: var(--primary-color);
}

#skills-categories h5 {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--primary-color);
  position: relative;
  font-size: 1.25rem;
  font-weight: 700;
}

#skills-categories h5::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--secondary-color);
}

/* Senior Skills Layout */
.skills-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Skills Services - Enhanced */
#skills-services .card-modern {
  border: 2px solid transparent;
  transition: all 0.4s ease;
  text-align: center;
  padding: 2.5rem 2rem;
}

#skills-services .card-modern:hover {
  border-color: var(--primary-color);
  transform: translateY(-8px) scale(1.02);
}

#skills-services h5 {
  border: none;
  margin-bottom: 1rem;
  padding-bottom: 0;
}

#skills-services h5::after {
  display: none;
}

/* Responsive Design for Skills */
@media (max-width: 768px) {
  .skill-modern {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
  }
  
  .skill-badges {
    align-self: flex-end;
  }
  
  #skills-categories .card-modern {
    padding: 1.5rem;
  }
  
  #skills-services .card-modern {
    padding: 2rem 1.5rem;
  }
  
  /* Project images responsive improvements */
  .project-image {
    height: 240px;
  }
  
  .project-card {
    margin-bottom: 2rem;
  }
  
  .project-content {
    padding: 1.5rem;
  }
  
  .project-badges {
    gap: 0.25rem;
  }
  
  .project-badge {
    font-size: 0.75rem;
    padding: 0.4rem 0.8rem;
  }
}

@media (max-width: 576px) {
  .project-image {
    height: 200px;
  }
  
  .project-content {
    padding: 1rem;
  }
  
  .project-category-section h4 {
    font-size: 1.25rem;
  }
  
  .project-category-section h4 i {
    font-size: 1.5rem;
  }
}

/*======================================
//--//-->   PROJECT CARDS
======================================*/

.project-category-section {
  margin-bottom: 3rem;
}

.project-category-section h4 {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--mobile-accent), var(--secondary-color));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-decoration: none;
  position: relative;
  margin-bottom: 2rem;
}

.project-category-section h4 i {
  background: linear-gradient(135deg, var(--mobile-accent), var(--secondary-color));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 1.75rem;
}

.project-category-section h4::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(135deg, var(--mobile-accent), var(--secondary-color));
  border-radius: 2px;
  transition: width 0.3s ease;
}

.project-category-section:hover h4::after {
  width: 120px;
}

.project-card {
  background: var(--card-bg);
  border-radius: 20px;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 8px 32px var(--shadow);
  border: 1px solid var(--border-color);
  height: 100%;
}

.project-card:hover {
  transform: translateY(-15px) rotateX(5deg);
  box-shadow: 0 25px 50px var(--shadow-heavy);
}

.project-image {
  position: relative;
  overflow: hidden;
  height: 280px;
  border-radius: 12px 12px 0 0;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.5s ease, filter 0.3s ease;
  border-radius: 12px 12px 0 0;
  background: var(--bg-secondary);
}

.project-card:hover .project-image img {
  transform: scale(1.05);
  filter: brightness(1.1);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--mobile-accent);
  opacity: 0;
  transition: opacity 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-card:hover .project-overlay {
  opacity: 0.9;
}

.project-content {
  padding: 2rem;
}

/* Project Badges Styling */
.project-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0;
}

.project-badge {
  background: var(--mobile-accent) !important;
  color: #FFFFFF !important;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  border: none;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

/* Force white text for both themes */
[data-theme="light"] .project-badge,
[data-theme="dark"] .project-badge {
  color: #FFFFFF !important;
}

.project-badge:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
}

/*======================================
//--//-->   CONTACT MODERN
======================================*/

.contact-form-modern {
  background: var(--card-bg);
  padding: 3rem;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.form-group-modern {
  margin-bottom: 2rem;
  position: relative;
}

.form-control-modern {
  width: 100%;
  padding: 1rem 1.5rem;
  border: 2px solid var(--border-color);
  border-radius: 12px;
  background: var(--bg-secondary);
  color: var(--text-color);
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-control-modern:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
  background: var(--card-bg);
}

/*======================================
//--//-->   FOOTER MODERN
======================================*/

.footer-modern {
  background: var(--bg-secondary);
  padding: 3rem 0 1rem;
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.social-links-modern {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.social-link-modern {
  width: 50px;
  height: 50px;
  background: var(--mobile-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
  transition: all 0.3s ease;
}

.social-link-modern:hover {
  transform: translateY(-5px) scale(1.1);
  box-shadow: 0 10px 25px rgba(0, 212, 255, 0.4);
  color: white;
  background: var(--primary-dark);
}

/*======================================
//--//-->   RESPONSIVE DESIGN
======================================*/

@media (max-width: 768px) {
  .timeline-modern::before {
    left: 2rem;
  }
  
  .timeline-item-modern,
  .timeline-item-modern:nth-child(even) {
    flex-direction: column;
  }
  
  .timeline-content-modern {
    margin: 0 0 0 4rem;
  }
  
  .timeline-marker-modern {
    left: 2rem;
  }
  
  .intro-title {
    font-size: 2.5rem;
  }
  
  .section-modern {
    padding: 4rem 0;
  }
  
  .card-modern {
    padding: 1.5rem;
  }
  
  .contact-form-modern {
    padding: 2rem;
  }
}

@media (max-width: 576px) {
  .intro-title {
    font-size: 2rem;
  }
  
  .btn-modern,
  .btn-outline-modern {
    padding: 0.8rem 1.5rem;
    font-size: 0.9rem;
  }
  
  .card-modern {
    padding: 1rem;
  }
}

/*======================================
//--//-->   ANIMATIONS & TRANSITIONS
======================================*/

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.animate {
  opacity: 1;
  transform: translateY(0);
}

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

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

/* Loading animation */
.loading-dots {
  display: inline-block;
  position: relative;
  width: 80px;
  height: 80px;
}

.loading-dots div {
  position: absolute;
  top: 33px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--primary-color);
  animation-timing-function: cubic-bezier(0, 1, 1, 0);
}

.loading-dots div:nth-child(1) {
  left: 8px;
  animation: loading1 0.6s infinite;
}

.loading-dots div:nth-child(2) {
  left: 8px;
  animation: loading2 0.6s infinite;
}

.loading-dots div:nth-child(3) {
  left: 32px;
  animation: loading2 0.6s infinite;
}

.loading-dots div:nth-child(4) {
  left: 56px;
  animation: loading3 0.6s infinite;
}

@keyframes loading1 {
  0% { transform: scale(0); }
  100% { transform: scale(1); }
}

@keyframes loading3 {
  0% { transform: scale(1); }
  100% { transform: scale(0); }
}

@keyframes loading2 {
  0% { transform: translate(0, 0); }
  100% { transform: translate(24px, 0); }
}

/*======================================
//--//-->   UTILITY CLASSES
======================================*/

.text-gradient {
  color: var(--mobile-accent);
}

.bg-gradient {
  background: var(--mobile-accent);
}

.glassmorphism {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
}

.shadow-modern {
  box-shadow: 0 10px 30px var(--shadow);
}

.shadow-heavy {
  box-shadow: 0 20px 40px var(--shadow-heavy);
}

.rounded-modern {
  border-radius: 20px;
}

.transition-smooth {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Text Slider Styles */
.text-slider {
  color: var(--primary-color);
  font-weight: 600;
  border-right: 2px solid var(--primary-color);
  animation: blinkCursor 1s infinite;
}

.typed-cursor {
  color: var(--primary-color);
  font-weight: 600;
  animation: blinkCursor 1s infinite;
}

.typed-fade-out {
  opacity: 0;
  transition: opacity 0.25s;
}

/* Hide text-slider-items as it's only used for data */
.text-slider-items {
  display: none;
}

@keyframes blinkCursor {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/*======================================
//--//-->   PERFORMANCE OPTIMIZATIONS
======================================*/

/* Critical Resource Hints */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;900&display=swap');

/* Image Performance Optimizations */
img {
  max-width: 100%;
  height: auto;
  /* Modern image formats support */
  image-rendering: -webkit-optimize-contrast;
  image-rendering: optimize-contrast;
}

/* Lazy Loading Styles */
img[loading="lazy"] {
  opacity: 1;
  transition: opacity 0.3s ease;
}

img[loading="lazy"].loaded {
  opacity: 1;
}

/* WebP Support Detection */
.webp .hero-image img {
  content: url('../img/intro-bg.webp');
}

.webp .about-img img {
  content: url('../img/intro-bg.webp');
}

.webp .project-image img[src*="drawline"] {
  object-position: center center;
  object-fit: cover;
}

.webp .project-image img[src*="glass"] {
  object-position: center center;
  object-fit: cover;
}

.webp .project-image img[src*="elevana"] {
  object-position: center center;
  object-fit: cover;
}

/* Additional project image optimizations */
.project-image img[src*="elevana"] {
  object-position: center center;
  object-fit: cover;
}

.project-image img[src*="drawline"] {
  object-position: center center;
  object-fit: cover;
}

.project-image img[src*="glass"] {
  object-position: center center;
  object-fit: cover;
}

/* Reduce motion for accessibility and performance */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .matrix-char {
    animation: none !important;
  }
  
  .text-slider {
    animation: none !important;
  }
}

/* Optimize font loading */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('https://fonts.gstatic.com/s/inter/v12/UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyfAZ9hiA.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* Critical CSS for above-the-fold content */
.hero-modern {
  /* Ensure hero loads quickly */
  will-change: transform;
  contain: layout style paint;
}

/* Optimize animations for GPU */
.matrix-char,
.hero-glow-border,
.avatar-ring,
.skill-badge {
  will-change: transform;
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000px;
}

/* Layout shifts prevention */
.hero-avatar {
  aspect-ratio: 1 / 1;
}

.project-image {
  aspect-ratio: 16 / 9;
}

/* Optimize scrolling performance */
html {
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

body {
  /* Optimize rendering */
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  
  /* Prevent layout shifts */
  overflow-x: hidden;
}

/*======================================
//--//-->   ACCESSIBILITY IMPROVEMENTS  
======================================*/

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --text-color: #000000;
    --bg-color: #FFFFFF;
    --primary-color: #0000EE;
    --border-color: #000000;
  }
  
  [data-theme="dark"] {
    --text-color: #FFFFFF;
    --bg-color: #000000;
    --primary-color: #00BFFF;
    --border-color: #FFFFFF;
  }
}

/* Focus styles for keyboard navigation */
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--primary-color);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Screen reader only content */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Skip links for accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--primary-color);
  color: white;
  padding: 8px;
  text-decoration: none;
  transition: top 0.3s;
  z-index: 9999;
}

.skip-link:focus {
  top: 6px;
}

/* Language Dropdown Menu */
.language-dropdown {
  background: var(--card-bg) !important;
  border: 2px solid var(--mobile-accent) !important;
  color: var(--text-color) !important;
  padding: 10px 15px !important;
  border-radius: 50px !important;
  cursor: pointer !important;
  font-size: 14px !important;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
  margin-left: 1rem !important;
  display: flex !important;
  align-items: center !important;
  gap: 8px !important;
  backdrop-filter: blur(10px) !important;
  -webkit-backdrop-filter: blur(10px) !important;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1) !important;
  position: relative !important;
  overflow: hidden !important;
  white-space: nowrap !important;
}

.language-dropdown::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 0.5s;
}

.language-dropdown:hover::before {
  left: 100%;
}

.language-dropdown:hover {
  background: var(--mobile-accent) !important;
  border-color: var(--mobile-accent) !important;
  color: white !important;
  transform: scale(1.05) !important;
  box-shadow: 0 0 25px var(--matrix-glow) !important;
}

.language-dropdown:focus {
  outline: none !important;
  box-shadow: 0 0 0 3px var(--matrix-glow) !important;
}

.language-dropdown i {
  font-size: 16px !important;
  transition: transform 0.3s ease !important;
  margin-right: 4px !important;
}

.language-dropdown:hover i {
  transform: rotate(15deg) !important;
}

.language-dropdown span {
  font-size: 12px !important;
  font-weight: 600 !important;
  text-transform: capitalize !important;
  letter-spacing: 0.5px !important;
}

/* Dropdown Menu Styling */
.dropdown-menu {
  background: var(--card-bg) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: 12px !important;
  backdrop-filter: blur(20px) !important;
  -webkit-backdrop-filter: blur(20px) !important;
  box-shadow: 0 10px 40px var(--shadow-heavy) !important;
  padding: 8px !important;
  margin-top: 8px !important;
  min-width: 120px !important;
}

.dropdown-menu .dropdown-item {
  color: var(--text-color) !important;
  padding: 8px 12px !important;
  border-radius: 8px !important;
  font-size: 14px !important;
  font-weight: 500 !important;
  transition: all 0.3s ease !important;
  display: flex !important;
  align-items: center !important;
}

.dropdown-menu .dropdown-item:hover {
  background: var(--mobile-accent) !important;
  color: white !important;
  transform: translateX(4px) !important;
}

.dropdown-menu .dropdown-item.active {
  background: var(--mobile-accent) !important;
  color: white !important;
}

.language-check {
  width: 16px !important;
  color: var(--success-color) !important;
  font-size: 12px !important;
  margin-right: 8px !important;
}

/* Fix for me-1, me-2 classes */
.me-1 {
  margin-right: 0.25rem !important;
}

.me-2 {
  margin-right: 0.5rem !important;
}

.me-4 {
  margin-right: 1.5rem !important;
}

/* Theme specific dropdown styles */
[data-theme="dark"] .language-dropdown {
  border-color: var(--secondary-color) !important;
  box-shadow: 0 0 15px rgba(103, 232, 249, 0.2) !important;
}

[data-theme="dark"] .language-dropdown:hover {
  background: var(--secondary-color) !important;
  border-color: var(--secondary-color) !important;
  box-shadow: 0 0 30px var(--matrix-glow) !important;
}

[data-theme="light"] .language-dropdown {
  border-color: var(--mobile-accent) !important;
  box-shadow: 0 0 15px rgba(37, 99, 235, 0.2) !important;
}

[data-theme="light"] .language-dropdown:hover {
  background: var(--mobile-accent) !important;
  border-color: var(--mobile-accent) !important;
  box-shadow: 0 0 30px var(--matrix-glow) !important;
}

/* Remove old language toggle styles */
.language-toggle {
  display: none !important;
}