/* ============================================
   CSS VARIABLES & THEMING
   ============================================ */
:root {
  /* Dark Theme Colors */
  --bg-primary: #0f1419;
  --bg-secondary: #1a1f2e;
  --bg-tertiary: #252d3d;
  --bg-glass: rgba(255, 255, 255, 0.05);

  --text-primary: #ffffff;
  --text-secondary: #b4b8c5;
  --text-tertiary: #8b92a8;

  --accent-primary: #2efda8;
  --accent-secondary: #58fdba;
  --accent-gradient: linear-gradient(135deg, #2efda8 0%, #00d9ff 100%);

  --border-color: rgba(46, 253, 168, 0.2);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 20px rgba(46, 253, 168, 0.3);

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 50%;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.215, 0.610, 0.355, 1);

  /* Typography */
  --font-primary: "Outfit", system-ui, -apple-system, sans-serif;
  --font-size-xs: 0.875rem;
  --font-size-sm: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.5rem;
  --font-size-xl: 2rem;
  --font-size-2xl: 3rem;
  --font-size-3xl: 3.75rem;
}

/* Light Theme */
[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f5f7fa;
  --bg-tertiary: #e8ecf2;
  --bg-glass: rgba(0, 0, 0, 0.03);

  --text-primary: #1a1f2e;
  --text-secondary: #4a5568;
  --text-tertiary: #718096;

  --border-color: rgba(46, 253, 168, 0.3);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 20px rgba(46, 253, 168, 0.4);
}

/* ============================================
   GLOBAL RESET & BASE STYLES
   ============================================ */
* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg-primary);
  font-family: var(--font-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

ul {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

/* ============================================
   MOBILE MENU BACKDROP
   ============================================ */
.menu-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
  z-index: 999;
}

.menu-backdrop.active {
  opacity: 1;
  visibility: visible;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: var(--spacing-sm) var(--spacing-md);
  transition: all var(--transition-normal);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
  padding: var(--spacing-xs) var(--spacing-md);
}

.container_header {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.container_header .logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-lg);
  font-weight: 700;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.container_header .logo:hover {
  transform: scale(1.05);
}

.container_header .logo code {
  color: var(--accent-primary);
  font-size: var(--font-size-lg);
  font-weight: 900;
  background: none;
}

.container_header .logo h2 {
  background: none;
  text-transform: capitalize;
}

.menu ul {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  background: none;
}

.menu ul svg {
  display: none;
}

.menu ul li {
  background: none;
  position: relative;
}

.menu ul li a {
  font-size: var(--font-size-sm);
  font-weight: 600;
  background: none;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  position: relative;
  transition: all var(--transition-fast);
}

.menu ul li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: all var(--transition-fast);
  transform: translateX(-50%);
}

.menu ul li a:hover::after,
.menu ul li a.active::after {
  width: 80%;
}

.menu ul li a:hover {
  color: var(--accent-primary);
}

.menu ul li button {
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--accent-gradient);
  color: var(--bg-primary);
  border-radius: var(--radius-md);
  border: none;
  font-weight: 600;
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.menu ul li button::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.menu ul li button:hover::before {
  width: 300px;
  height: 300px;
}

.menu ul li button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.responsive_menu {
  display: none;
  cursor: pointer;
  background: none;
}

.responsive_menu svg {
  transition: transform var(--transition-fast);
}

.responsive_menu:hover svg {
  transform: scale(1.1);
}

.a_tag.active {
  color: var(--accent-primary);
}

.a_tag.active::after {
  content: " /";
}

/* Theme Toggle Button */
.theme-toggle {
  position: relative;
  width: 60px;
  height: 30px;
  background: var(--bg-tertiary);
  border-radius: 30px;
  cursor: pointer;
  border: 2px solid var(--border-color);
  transition: all var(--transition-fast);
  margin-left: var(--spacing-sm);
}

.theme-toggle::before {
  content: '🌙';
  position: absolute;
  top: 50%;
  left: 4px;
  width: 22px;
  height: 22px;
  background: var(--accent-primary);
  border-radius: 50%;
  transform: translateY(-50%);
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  box-shadow: var(--shadow-md);
}

[data-theme="light"] .theme-toggle::before {
  content: '☀️';
  left: calc(100% - 26px);
}

.theme-toggle:hover {
  border-color: var(--accent-primary);
}

/* ============================================
   HOME SECTION
   ============================================ */
.home {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(80px + var(--spacing-md)) var(--spacing-md) var(--spacing-md);
  position: relative;
  overflow: hidden;
}

.home::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(46, 253, 168, 0.1) 0%, transparent 70%);
  animation: pulse 8s ease-in-out infinite;
  pointer-events: none;
}

@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
    opacity: 0.5;
  }

  50% {
    transform: scale(1.2);
    opacity: 0.8;
  }
}

.container_home {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.container_text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  animation: fadeInLeft 1s ease-out;
  gap: 0 !important;
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.main_text {
  font-size: clamp(3.5rem, 8vw, 5.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -2px;
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-sm);
  filter: drop-shadow(0 0 20px rgba(46, 253, 168, 0.3));
  position: relative;
  z-index: 1;
}

.container_text p {
  font-size: var(--font-size-md);
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 500px;
}

.container_text a {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--accent-gradient);
  color: var(--bg-primary);
  font-size: var(--font-size-md);
  font-weight: 600;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  width: fit-content;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.container_text a::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s;
}

.container_text a:hover::before {
  left: 100%;
}

.container_text a:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.container_text a code {
  background: none;
  color: var(--bg-primary);
  font-size: var(--font-size-md);
  font-weight: 600;
}

/* Hero Section Enhanced Content */
.greeting {
  font-size: var(--font-size-lg);
  color: var(--accent-primary);
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: var(--spacing-xs);
  animation: fadeInLeft 0.6s ease-out;
  display: flex;
  align-items: center;
  gap: 10px;
}

.greeting::before {
  content: '';
  width: 30px;
  height: 2px;
  background: var(--accent-primary);
}

.subtitle {
  font-size: clamp(1.5rem, 4vw, 4rem);
  color: var(--text-secondary);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  animation: fadeInLeft 0.8s ease-out;
}

.hero-description {
  font-size: var(--font-size-md);
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 600px;
  margin-bottom: var(--spacing-lg);
  animation: fadeInLeft 1s ease-out;
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-lg);
  animation: fadeInLeft 1.2s ease-out;
}

.cta-button.primary {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--accent-gradient);
  color: var(--bg-primary);
  font-size: var(--font-size-md);
  font-weight: 600;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.cta-button.secondary {
  padding: var(--spacing-sm) var(--spacing-md);
  background: transparent;
  color: var(--accent-primary);
  font-size: var(--font-size-md);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 2px solid var(--accent-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  transition: all var(--transition-fast);
}

.cta-button.secondary:hover {
  background: var(--accent-primary);
  color: var(--bg-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  padding: var(--spacing-2xl) 0 0;
  margin-top: var(--spacing-2xl);
  opacity: 1 !important;
  visibility: visible !important;
  animation: fadeInUp 1.4s ease-out 1s backwards;
}

.stat-item {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  text-align: left;
  padding: var(--spacing-xl);
  background: linear-gradient(135deg,
      rgba(30, 30, 40, 0.6) 0%,
      rgba(20, 20, 30, 0.8) 100%);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(46, 253, 168, 0.2);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.stat-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
  transform: scaleX(0);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: left;
}

.stat-item:hover::before {
  transform: scaleX(1);
}

.stat-item:hover {
  transform: translateY(-8px);
  border-color: var(--accent-primary);
  background: linear-gradient(135deg,
      rgba(30, 30, 40, 0.8) 0%,
      rgba(20, 20, 30, 0.95) 100%);
  box-shadow: 0 15px 40px rgba(46, 253, 168, 0.2);
}

.stat-divider {
  display: none;
}

.stat-number {
  text-align: center;
  font-size: clamp(3rem, 6vw, 4rem);
  font-weight: 800;
  color: #fff;
  text-shadow: 0 0 15px rgba(46, 253, 168, 0.6), 0 0 30px rgba(46, 253, 168, 0.3);
  margin-bottom: var(--spacing-sm);
  line-height: 1;
  display: block;
  transition: all 0.3s;
}

.stat-item:hover .stat-number {
  transform: scale(1.1);
  text-shadow: 0 0 20px rgba(46, 253, 168, 0.8), 0 0 40px rgba(46, 253, 168, 0.5);
  color: var(--accent-primary);
}

.stat-item:hover .stat-number {
  transform: scale(1.05);
  filter: drop-shadow(0 0 8px rgba(46, 253, 168, 0.6));
}

.stat-label {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  line-height: 1.4;
}

.stat-item:hover .stat-label {
  color: var(--accent-primary);
}

.container_img {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeInRight 1s ease-out;
  position: relative;
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.container_img::before {
  content: '';
  position: absolute;
  inset: -10px;
  background: var(--accent-gradient);
  border-radius: 50%;
  filter: blur(30px);
  opacity: 0.3;
  animation: rotate 10s linear infinite;
  z-index: -1;
}

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

  to {
    transform: rotate(360deg);
  }
}

.container_img img {
  width: min(500px, 100%);
  height: auto;
  border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
  border: 4px solid var(--border-color);
  box-shadow: var(--shadow-lg), inset 0 0 40px rgba(46, 253, 168, 0.2);
  transition: all var(--transition-slow);
  object-fit: cover;
  aspect-ratio: 1;
  animation: morph 8s ease-in-out infinite;
}

@keyframes morph {
  0% {
    border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
  }

  30% {
    border-radius: 70% 30% 50% 50% / 30% 30% 70% 70%;
  }

  60% {
    border-radius: 100% 60% 60% 100% / 100% 100% 60% 60%;
  }

  100% {
    border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
  }
}

.container_img img:hover {
  transform: scale(1.05);
  border-color: var(--accent-primary);
  box-shadow: 0 0 50px rgba(46, 253, 168, 0.4);
}













/* ============================================
   ABOUT SECTION
   ============================================ */
.About {
  min-height: 100vh;
  padding: var(--spacing-xl) var(--spacing-md);
  background: var(--bg-primary);
  position: relative;
  z-index: 2;
}

.tab {
  max-width: 1400px;
  margin: 0 auto var(--spacing-lg);
  display: flex;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs);
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.tab button {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  cursor: pointer;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

.tab button::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent-gradient);
  opacity: 0;
  border-radius: var(--radius-md);
  transition: opacity var(--transition-fast);
  z-index: -1;
}

.tab button:hover {
  color: var(--accent-primary);
  transform: translateY(-2px);
}

.tab button.active {
  color: var(--bg-primary);
}

.tab button.active::before {
  opacity: 1;
}

.tabcontent {
  display: none;
  max-width: 1400px;
  margin: 0 auto;
  animation: fadeIn 0.5s ease-out;
}

.tabcontent[style*="display: block"] {
  display: flex !important;
  flex-direction: column;
  gap: var(--spacing-lg);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.container_top {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.container_top h1 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  background: linear-gradient(135deg, var(--text-primary), var(--accent-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-md);
}

.container_top hr {
  width: 100px;
  height: 3px;
  border: none;
  background: var(--accent-gradient);
  margin: 0 auto;
  border-radius: 10px;
}

.container_left {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.container_left code {
  font-size: var(--font-size-md);
  color: var(--accent-primary);
  background: none;
}

.container_left>span {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--accent-primary);
}

.container_left_left {
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.container_left_left p {
  font-size: var(--font-size-md);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.container_left_left>p[style*="color"] {
  color: var(--accent-primary) !important;
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-top: var(--spacing-md);
}

.container_left_left ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.container_left_left ul li {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent-primary);
  transition: all var(--transition-fast);
  list-style: none;
}

.container_left_left ul li:hover {
  transform: translateX(5px);
  border-left-color: var(--accent-secondary);
  box-shadow: var(--shadow-sm);
}

.container_left_left hr {
  margin: var(--spacing-md) 0;
  border: none;
  height: 2px;
  background: var(--border-color);
}

/* ============================================
   WORK/PORTFOLIO SECTION
   ============================================ */
.Work {
  min-height: 100vh;
  padding: var(--spacing-xl) var(--spacing-md);
  background: var(--bg-secondary);
  position: relative;
  z-index: 2;
}

.container_work {
  max-width: 1400px;
  margin: 0 auto;
}

.container_top_work {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.container_top_work h1 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  background: linear-gradient(135deg, var(--text-primary), var(--accent-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-md);
}

.container_top_work hr {
  width: 100px;
  height: 3px;
  border: none;
  background: var(--accent-gradient);
  margin: 0 auto;
  border-radius: 10px;
}

.container_work_card {
  display: block;
  width: 100%;
  padding: var(--spacing-lg) 0;
}

/* Work Section Tabs */
.work-tabs {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: 4rem;
  flex-wrap: wrap;
  padding: 6px;
  background: linear-gradient(135deg, rgba(30, 30, 40, 0.8), rgba(20, 20, 30, 0.9));
  backdrop-filter: blur(20px);
  border-radius: 50px;
  border: 1px solid rgba(46, 253, 168, 0.15);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}

.work-tablinks {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 14px 36px;
  border-radius: 40px;
  cursor: pointer;
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.8px;
  position: relative;
  z-index: 1;
}

.work-tablinks:hover {
  color: var(--accent-primary);
  background: rgba(46, 253, 168, 0.08);
  transform: translateY(-2px);
}

.work-tablinks.active {
  background: var(--accent-gradient);
  color: var(--bg-primary);
  font-weight: 800;
  box-shadow: 0 4px 20px rgba(46, 253, 168, 0.4), 0 0 0 1px rgba(46, 253, 168, 0.2);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.work-tablinks.active:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 30px rgba(46, 253, 168, 0.5), 0 0 0 1px rgba(46, 253, 168, 0.3);
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-xl);
  width: 100%;
}

.projects-grid .card {
  animation: fadeInUp 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) backwards;
}

.projects-grid .card:nth-child(1) {
  animation-delay: 0.1s;
}

.projects-grid .card:nth-child(2) {
  animation-delay: 0.2s;
}

.projects-grid .card:nth-child(3) {
  animation-delay: 0.3s;
}

.projects-grid .card:nth-child(4) {
  animation-delay: 0.4s;
}

.projects-grid .card:nth-child(5) {
  animation-delay: 0.5s;
}

.projects-grid .card:nth-child(6) {
  animation-delay: 0.6s;
}

.work-tabcontent {
  width: 100%;
}

.card {
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: all var(--transition-normal);
  animation: fadeInUp 0.6s ease-out backwards;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.card:nth-child(1) {
  animation-delay: 0.1s;
}

.card:nth-child(2) {
  animation-delay: 0.2s;
}

.card:nth-child(3) {
  animation-delay: 0.3s;
}

.card:nth-child(4) {
  animation-delay: 0.4s;
}

.card:nth-child(5) {
  animation-delay: 0.5s;
}

.card:nth-child(6) {
  animation-delay: 0.6s;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-primary);
}

.card a {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 0;
  gap: 0;
  /* Reset gap since we handle padding internally */
}

.card-image-container {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover img {
  transform: scale(1.1);
}

.card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all var(--transition-normal);
}

.card:hover .card-overlay {
  opacity: 1;
}

.view-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--accent-gradient);
  color: var(--bg-primary);
  font-weight: 600;
  border-radius: var(--radius-md);
  transform: translateY(20px);
  transition: all var(--transition-normal);
}

.card:hover .view-btn {
  transform: translateY(0);
}

.card-content {
  padding: var(--spacing-md);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.card h4 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--text-primary);
  text-transform: capitalize;
}

.project-description {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-sm);
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-top: auto;
}

.tech-tags span {
  font-size: 0.8rem;
  padding: 4px 10px;
  background: var(--bg-tertiary);
  color: var(--accent-primary);
  border-radius: 20px;
  border: 1px solid var(--border-color);
  font-weight: 500;
}

.ImgContainerElement {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.Contact {
  min-height: 100vh;
  padding: var(--spacing-2xl) var(--spacing-md);
  background: var(--bg-primary);
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
}

.container_Contact {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.container_top_work h1 {
  position: relative;
  display: inline-block;
}

.container_top_work h1::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: var(--accent-gradient);
  border-radius: 2px;
}

.contact-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
  font-weight: 400;
}

.contact-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-2xl);
  max-width: 1200px;
  margin: 0 auto;
}

.contact-card {
  background: linear-gradient(135deg,
      rgba(35, 40, 50, 0.95) 0%,
      rgba(25, 30, 40, 1) 100%);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(46, 253, 168, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  text-align: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  color: var(--text-primary);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  width: 100%;
}

/* Animated gradient background */
.contact-card::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(45deg,
      transparent 30%,
      rgba(46, 253, 168, 0.1) 50%,
      transparent 70%);
  background-size: 200% 200%;
  border-radius: var(--radius-lg);
  opacity: 0;
  transition: opacity 0.4s;
  animation: shimmer 3s linear infinite;
  z-index: -1;
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

.contact-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right,
      rgba(46, 253, 168, 0.05) 0%,
      transparent 70%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}

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

.contact-card:hover::after {
  opacity: 1;
}

.contact-card:hover {
  transform: translateY(-12px) scale(1.02);
  border-color: var(--accent-primary);
  box-shadow:
    0 20px 60px rgba(46, 253, 168, 0.2),
    0 0 0 1px rgba(46, 253, 168, 0.1) inset;
}

.contact-icon {
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(46, 253, 168, 0.15), rgba(46, 253, 168, 0.05));
  border: 2px solid rgba(46, 253, 168, 0.3);
  border-radius: 50%;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.contact-icon::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: var(--accent-gradient);
  opacity: 0;
  filter: blur(12px);
  transition: opacity 0.4s;
}

.contact-icon svg {
  stroke: var(--accent-primary);
  transition: all 0.4s;
  position: relative;
  z-index: 1;
}

.contact-card:hover .contact-icon {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  transform: scale(1.15) rotate(10deg);
  box-shadow: 0 0 30px rgba(46, 253, 168, 0.4);
}

.contact-card:hover .contact-icon::before {
  opacity: 0.6;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
    opacity: 0.6;
  }

  50% {
    transform: scale(1.1);
    opacity: 0.8;
  }
}

.contact-card:hover .contact-icon svg {
  stroke: var(--bg-primary);
  transform: scale(1.1);
}

.contact-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 800;
  margin: 0;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
  transition: all 0.3s;
}

.contact-card:hover h3 {
  transform: scale(1.05);
  filter: drop-shadow(0 0 8px rgba(46, 253, 168, 0.3));
}

.contact-card p {
  font-size: var(--font-size-md);
  color: var(--text-secondary);
  margin: 0;
  transition: all 0.3s;
  font-weight: 500;
  line-height: 1.5;
}

.contact-card:hover p {
  color: var(--accent-primary);
  transform: translateY(-2px);
}

.container_icons_contact {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.container_icons_contact a,
.container_icons_contact svg {
  transition: all var(--transition-fast);
}

.container_icons_contact svg {
  width: 60px;
  height: 60px;
  padding: var(--spacing-sm);
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  cursor: pointer;
}

.container_icons_contact svg:hover {
  transform: translateY(-5px) scale(1.1);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-glow);
}

/* WhatsApp Modal */
.massage {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  width: min(500px, 90%);
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  border: 2px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transition: all var(--transition-normal);
  z-index: 2000;
}

.massage.active {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
}

.massage::before {
  content: '';
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
  z-index: -1;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.massage.active::before {
  opacity: 1;
}

.massage .container_icon {
  background: none;
  margin-bottom: var(--spacing-md);
}

.massage .container_icon svg {
  background: none;
}

.massage h2 {
  background: none;
  color: var(--text-primary);
  font-size: var(--font-size-lg);
  text-align: center;
}

.closeSVGMassage {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  background: var(--bg-tertiary);
  border-radius: 50%;
  padding: var(--spacing-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid var(--border-color);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.closeSVGMassage:hover {
  transform: rotate(90deg);
  background: var(--accent-primary);
}

/* ============================================
   PAGE LOADER
   ============================================ */
.page-loader {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-content {
  text-align: center;
}

.loader-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid var(--border-color);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  margin: 0 auto var(--spacing-md);
  animation: spin 1s linear infinite;
}

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

.loader-content p {
  color: var(--text-primary);
  font-size: var(--font-size-md);
  font-weight: 600;
}

.dots::after {
  content: '';
  animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {

  0%,
  20% {
    content: '';
  }

  40% {
    content: '.';
  }

  60% {
    content: '..';
  }

  80%,
  100% {
    content: '...';
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.fade-in {
  animation: fadeIn 0.6s ease-out;
}

.slide-up {
  animation: fadeInUp 0.6s ease-out;
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ============================================
   SOUND TOGGLE BUTTON
   ============================================ */
.sound-toggle {
  position: fixed;
  bottom: var(--spacing-md);
  right: var(--spacing-md);
  width: 50px;
  height: 50px;
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  border-radius: 50%;
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1000;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-md);
}

.sound-toggle:hover {
  transform: scale(1.1);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-glow);
}

.sound-toggle svg {
  width: 24px;
  height: 24px;
  stroke: var(--text-primary);
  transition: all var(--transition-fast);
}

.sound-toggle:hover svg {
  stroke: var(--accent-primary);
}

.sound-toggle.muted .sound-on {
  display: none;
}

.sound-toggle.muted .sound-off {
  display: block !important;
}

/* ============================================
   CUSTOM CURSOR
   ============================================ */
.custom-cursor {
  width: 20px;
  height: 20px;
  border: 2px solid var(--accent-primary);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  transition: all 0.1s ease;
  transform: translate(-50%, -50%);
  mix-blend-mode: difference;
}

.custom-cursor.hover {
  width: 40px;
  height: 40px;
  background: var(--accent-primary);
  opacity: 0.3;
}

.cursor-follower {
  width: 8px;
  height: 8px;
  background: var(--accent-primary);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9998;
  transition: all 0.3s cubic-bezier(0.75, -0.5, 0.25, 1.5);
  transform: translate(-50%, -50%);
}

/* Hide custom cursor on touch devices */
@media (hover: none) {

  .custom-cursor,
  .cursor-follower {
    display: none;
  }
}

/* ============================================
   TYPING ANIMATION
   ============================================ */
.typing-text {
  display: inline-block;
  position: relative;
  width: fit-content;
}

.typing-text::after {
  content: '|';
  position: absolute;
  right: -10px;
  animation: blink 1s step-end infinite;
  color: var(--accent-primary);
}

@keyframes blink {

  0%,
  50% {
    opacity: 1;
  }

  51%,
  100% {
    opacity: 0;
  }
}

/* ============================================
   SKILL BARS
   ============================================ */
.skill-bar {
  margin-bottom: var(--spacing-md);
}

.skill-bar-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-xs);
}

.skill-name {
  font-weight: 600;
  color: var(--text-primary);
}

.skill-percentage {
  color: var(--accent-primary);
  font-weight: 700;
}

.skill-bar-outer {
  width: 100%;
  height: 10px;
  background: var(--bg-tertiary);
  border-radius: 10px;
  overflow: hidden;
  position: relative;
}

.skill-bar-inner {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: 10px;
  width: 0;
  transition: width 1.5s cubic-bezier(0.65, 0, 0.35, 1);
  position: relative;
  overflow: hidden;
}

.skill-bar-inner::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: linear-gradient(90deg,
      transparent,
      rgba(255, 255, 255, 0.3),
      transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }

  100% {
    transform: translateX(100%);
  }
}

.skill-bar.animate .skill-bar-inner {
  width: var(--skill-width);
}

/* ============================================
   ENHANCED HOVER EFFECTS
   ============================================ */
.hover-lift {
  transition: all var(--transition-normal);
}

.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.hover-glow {
  position: relative;
  overflow: hidden;
}

.hover-glow::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-primary) 0%, transparent 70%);
  opacity: 0;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s, opacity 0.6s;
}

.hover-glow:hover::before {
  width: 300px;
  height: 300px;
  opacity: 0.1;
}

/* ============================================
   PARALLAX SECTIONS
   ============================================ */
.parallax-section {
  position: relative;
  overflow: hidden;
}

.parallax-bg {
  position: absolute;
  top: -50%;
  left: 0;
  width: 100%;
  height: 200%;
  background-size: cover;
  background-position: center;
  transition: transform 0.1s ease-out;
  z-index: -1;
}

/* ============================================
   GLITCH EFFECT (for special elements)
   ============================================ */
.glitch {
  position: relative;
  display: inline-block;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
}

.glitch:hover::before {
  animation: glitch-1 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94) both infinite;
  color: var(--accent-primary);
  z-index: -1;
}

.glitch:hover::after {
  animation: glitch-2 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94) reverse both infinite;
  color: #00d9ff;
  z-index: -2;
}

@keyframes glitch-1 {
  0% {
    transform: translate(0);
    opacity: 0;
  }

  20% {
    transform: translate(-2px, 2px);
    opacity: 1;
  }

  40% {
    transform: translate(-2px, -2px);
    opacity: 1;
  }

  60% {
    transform: translate(2px, 2px);
    opacity: 1;
  }

  80% {
    transform: translate(2px, -2px);
    opacity: 1;
  }

  100% {
    transform: translate(0);
    opacity: 0;
  }
}

@keyframes glitch-2 {
  0% {
    transform: translate(0);
    opacity: 0;
  }

  20% {
    transform: translate(2px, -2px);
    opacity: 1;
  }

  40% {
    transform: translate(2px, 2px);
    opacity: 1;
  }

  60% {
    transform: translate(-2px, -2px);
    opacity: 1;
  }

  80% {
    transform: translate(-2px, 2px);
    opacity: 1;
  }

  100% {
    transform: translate(0);
    opacity: 0;
  }
}

/* ============================================
   ADVANCED TIMELINE STYLES
   ============================================ */
.timeline {
  position: relative;
  max-width: 1000px;
  margin: 40px auto;
  padding: 40px 0;
}

.timeline::after {
  content: '';
  position: absolute;
  width: 4px;
  background: var(--bg-tertiary);
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -2px;
  border-radius: 2px;
}

.timeline-item {
  padding: 10px 40px;
  position: relative;
  background-color: inherit;
  width: 50%;
  box-sizing: border-box;
  animation: fadeInUp 0.8s ease-out;
}

.timeline-item:nth-child(odd) {
  left: 0;
  text-align: right;
}

.timeline-item:nth-child(even) {
  left: 50%;
  text-align: left;
}

.timeline-dot {
  width: 20px;
  height: 20px;
  background: var(--accent-primary);
  border-radius: 50%;
  position: absolute;
  top: 24px;
  right: -10px;
  z-index: 1;
  box-shadow: 0 0 10px var(--accent-primary);
}

.timeline-item:nth-child(even) .timeline-dot {
  left: -10px;
}

.timeline-content {
  padding: 24px;
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.timeline-content:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
  border-color: var(--accent-primary);
}

.timeline-date {
  font-size: 0.9rem;
  color: var(--accent-secondary);
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}

.timeline-content h3 {
  margin-bottom: 12px;
  color: var(--text-primary);
  font-size: 1.5rem;
}

.timeline-content p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================
   3D TILT CONTACT CARDS
   ============================================ */
.container_icons_contact {
  display: flex !important;
  justify-content: center;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
  padding: 40px 0;
}

.contact-card {
  width: 200px;
  height: 240px;
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 20px;
  border: 1px solid var(--border-color);
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transform-style: preserve-3d;
  transform: perspective(1000px);
  transition: transform 0.1s;
}

.contact-card a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  text-decoration: none;
  transform: translateZ(20px);
}

.icon-wrapper {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 20px;
  transition: all 0.3s ease;
  color: var(--text-primary);
}

.contact-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 5px;
}

.contact-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Hover Effects */
.contact-card:hover .icon-wrapper {
  transform: scale(1.1) translateZ(10px);
  background: var(--accent-gradient);
  color: var(--bg-primary);
  box-shadow: 0 0 20px rgba(46, 253, 168, 0.4);
}

.contact-card:hover h3 {
  color: var(--accent-primary);
}

/* Responsive Timeline */
@media screen and (max-width: 768px) {
  .timeline::after {
    left: 31px;
  }

  .timeline-item {
    width: 100%;
    padding-left: 70px;
    padding-right: 25px;
  }

  .timeline-item:nth-child(even) {
    left: 0%;
  }

  .timeline-dot {
    left: 22px !important;
  }

  .timeline-item:nth-child(odd),
  .timeline-item:nth-child(even) {
    text-align: left;
  }

  .container_icons_contact {
    flex-direction: column;
  }

  .contact-card {
    width: 100%;
    max-width: 300px;
    height: 120px;
  }

  .contact-card a {
    flex-direction: row;
    gap: 20px;
    padding: 0 30px;
    justify-content: flex-start;
  }

  .icon-wrapper {
    width: 50px;
    height: 50px;
    margin-bottom: 0;
  }
}



/* ============================================
   BACK TO TOP BUTTON
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: var(--spacing-md);
  right: var(--spacing-md);
  width: 50px;
  height: 50px;
  background: var(--accent-gradient);
  color: var(--bg-primary);
  border: none;
  border-radius: 50%;
  font-size: 1.5rem;
  font-weight: bold;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-normal);
  z-index: 999;
  box-shadow: var(--shadow-md);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
}

/* ============================================
   SCROLL PROGRESS
   ============================================ */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--accent-gradient);
  z-index: 10001;
  /* Above header */
  transition: width 0.1s linear;
}

/* ============================================
   SKILLS CONTAINER
   ============================================ */
.skills-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  width: 100%;
}

/* ============================================
   TIMELINE SECTION
   ============================================ */
.timeline-container {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  padding: var(--spacing-lg) 0;
}

/* Vertical Line */
.timeline-container::after {
  content: '';
  position: absolute;
  width: 4px;
  background: var(--accent-gradient);
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -2px;
  border-radius: 2px;
  box-shadow: 0 0 15px rgba(46, 253, 168, 0.4);
}

.timeline-item {
  padding: 10px 40px;
  position: relative;
  width: 50%;
  box-sizing: border-box;
  opacity: 0;
  /* Animated by JS */
  transform: translateY(30px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Place items on left and right */
.timeline-item:nth-child(odd) {
  left: 0;
}

.timeline-item:nth-child(even) {
  left: 50%;
}

/* The Dot */
.timeline-dot {
  position: absolute;
  width: 24px;
  height: 24px;
  background: var(--bg-primary);
  border: 4px solid var(--accent-primary);
  border-radius: 50%;
  top: 24px;
  z-index: 10;
  transition: all 0.3s ease;
  box-shadow: 0 0 10px rgba(46, 253, 168, 0.5);
}

/* Fix dot position for left items */
.timeline-item:nth-child(odd) .timeline-dot {
  right: -12px;
}

/* Fix dot position for right items */
.timeline-item:nth-child(even) .timeline-dot {
  left: -12px;
}

/* Timeline Date */
.timeline-date {
  position: absolute;
  top: 24px;
  /* Align with dot */
  font-weight: 700;
  color: var(--accent-primary);
  font-size: var(--font-size-md);
  letter-spacing: 1px;
}

.timeline-item:nth-child(odd) .timeline-date {
  right: -140px;
  text-align: left;
}

.timeline-item:nth-child(even) .timeline-date {
  left: -140px;
  text-align: right;
}

/* Content Box */
.timeline-content {
  padding: var(--spacing-md);
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  position: relative;
  transition: all 0.3s ease;
}

.timeline-content:hover {
  transform: translateY(-5px);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-glow);
}

.timeline-content h3 {
  color: var(--accent-primary);
  margin-bottom: 5px;
  font-size: 1.25rem;
}

.timeline-content h4 {
  color: var(--text-primary);
  margin-bottom: 10px;
  font-size: 1rem;
  font-weight: 600;
}

.timeline-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Arrow indicator */
.timeline-content::after {
  content: '';
  position: absolute;
  top: 28px;
  width: 0;
  height: 0;
  border: medium solid transparent;
  z-index: 1;
}

/* Arrow for left items */
.timeline-item:nth-child(odd) .timeline-content::after {
  right: -10px;
  border-width: 10px 0 10px 10px;
  border-left-color: var(--border-color);
}

/* Arrow for right items */
.timeline-item:nth-child(even) .timeline-content::after {
  left: -10px;
  border-width: 10px 10px 10px 0;
  border-right-color: var(--border-color);
}

/* Hover effects */
.timeline-item:hover .timeline-dot {
  background: var(--accent-primary);
  transform: scale(1.2);
  box-shadow: 0 0 20px rgba(46, 253, 168, 0.8);
}

/* ============================================
   TIMELINE RESPONSIVE
   ============================================ */
@media screen and (max-width: 768px) {

  /* Place line to the left */
  .timeline-container::after {
    left: 31px;
  }

  /* Full width items */
  .timeline-item {
    width: 100%;
    padding-left: 70px;
    padding-right: 25px;
  }

  /* Make sure all items are on the right relative to the line */
  .timeline-item:nth-child(odd),
  .timeline-item:nth-child(even) {
    left: 0;
  }

  /* Adjust dots to left line */
  .timeline-item:nth-child(odd) .timeline-dot,
  .timeline-item:nth-child(even) .timeline-dot {
    left: 19px;
    /* 31px (line) - 12px (half dot) */
    right: auto;
  }

  /* Adjust arrows */
  .timeline-item:nth-child(odd) .timeline-content::after,
  .timeline-item:nth-child(even) .timeline-content::after {
    right: auto;
    left: -10px;
    border-width: 10px 10px 10px 0;
    border-color: transparent var(--border-color) transparent transparent;
  }

  /* Move dates inside or above */
  .timeline-date,
  .timeline-item:nth-child(odd) .timeline-date,
  .timeline-item:nth-child(even) .timeline-date {
    position: relative;
    top: auto;
    left: auto;
    right: auto;
    text-align: left;
    margin-bottom: 5px;
    display: block;
    color: var(--accent-secondary);
  }
}