/* ==========================================================================
   DESIGN SYSTEM & VARIABLES
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Colors */
  --bg-darker: #060813;
  --bg-dark: #0a0e1a;
  --bg-card: rgba(16, 22, 42, 0.65);
  --bg-nav: rgba(10, 14, 26, 0.75);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --primary-glow: rgba(168, 85, 247, 0.15);
  --secondary-glow: rgba(6, 182, 212, 0.15);
  
  --accent-purple: #a855f7;
  --accent-teal: #06b6d4;
  --accent-pink: #ec4899;
  --accent-gradient: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-teal) 100%);
  --accent-gradient-hover: linear-gradient(135deg, var(--accent-pink) 0%, var(--accent-purple) 100%);
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(6, 182, 212, 0.5);
  
  /* Shadows */
  --shadow-sm: 0 2px 8px -2px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 12px 24px -4px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 32px -8px rgba(0, 0, 0, 0.6);
  --shadow-glow-purple: 0 0 25px rgba(168, 85, 247, 0.4);
  --shadow-glow-teal: 0 0 25px rgba(6, 182, 212, 0.4);

  /* Layout */
  --max-width: 1200px;
  --header-height: 80px;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-family: 'Plus Jakarta Sans', sans-serif;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  color-scheme: dark;
  background-color: var(--bg-darker);
  color: var(--text-primary);
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  line-height: 1.6;
  background: var(--bg-darker);
  position: relative;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-darker);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 5px;
  border: 2px solid var(--bg-darker);
  transition: var(--transition-fast);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-purple);
}

/* ==========================================================================
   AMBIENT BACKGROUNDS
   ========================================================================== */
.ambient-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.45;
  animation: float 25s infinite alternate ease-in-out;
}

.blob-purple {
  width: 500px;
  height: 500px;
  background: var(--accent-purple);
  top: -100px;
  right: -50px;
  animation-duration: 20s;
}

.blob-teal {
  width: 600px;
  height: 600px;
  background: var(--accent-teal);
  bottom: -150px;
  left: -100px;
  animation-duration: 28s;
  animation-delay: 2s;
}

.blob-pink {
  width: 300px;
  height: 300px;
  background: var(--accent-pink);
  top: 40%;
  right: 25%;
  animation-duration: 18s;
  animation-delay: 5s;
}

@keyframes float {
  0% {
    transform: translate(0, 0) scale(1) rotate(0deg);
  }
  33% {
    transform: translate(40px, -60px) scale(1.1) rotate(60deg);
  }
  66% {
    transform: translate(-30px, 40px) scale(0.9) rotate(-120deg);
  }
  100% {
    transform: translate(0, 0) scale(1) rotate(0deg);
  }
}

/* Grid overlay for tech look */
.bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

/* ==========================================================================
   REUSABLE UTILITIES & GLASSMORPHISM
   ========================================================================== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  transition: border-color var(--transition-normal), transform var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-lg);
}

.section-padding {
  padding: 100px 0;
}

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

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

.section-subtitle {
  color: var(--accent-teal);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 3px;
  font-weight: 700;
  margin-bottom: 0.5rem;
  display: block;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 30px;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
  border: none;
  box-shadow: 0 4px 15px rgba(168, 85, 247, 0.3);
}

.btn-primary:hover {
  background: var(--accent-gradient-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(236, 72, 153, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  transition: all var(--transition-normal);
}

header.scrolled {
  background: var(--bg-nav);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  height: 70px;
  box-shadow: var(--shadow-sm);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  text-decoration: none;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition-fast);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: var(--transition-normal);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-primary);
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  margin: 5px 0;
  transition: var(--transition-fast);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  position: relative;
}

.hero-wrapper {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 4rem;
}

.hero-badge {
  background: rgba(168, 85, 247, 0.1);
  border: 1px solid rgba(168, 85, 247, 0.2);
  color: var(--accent-purple);
  padding: 0.4rem 1.2rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 0 15px rgba(168, 85, 247, 0.05);
}

.hero-badge .ping-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-purple);
  border-radius: 50%;
  position: relative;
}

.hero-badge .ping-dot::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: var(--accent-purple);
  border-radius: 50%;
  top: 0;
  left: 0;
  animation: ping 1.5s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes ping {
  75%, 100% {
    transform: scale(2.5);
    opacity: 0;
  }
}

.hero-title {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -1.5px;
}

.typewriter-cursor {
  animation: blink 0.8s infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 580px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

.hero-socials {
  display: flex;
  gap: 1.5rem;
}

.social-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 1.2rem;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.social-icon:hover {
  color: white;
  border-color: var(--accent-teal);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.2);
  transform: translateY(-3px);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image-wrapper {
  position: relative;
  width: 320px;
  height: 320px;
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  background: var(--accent-gradient);
  animation: morphing 15s infinite alternate ease-in-out;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 4px solid rgba(255, 255, 255, 0.1);
}

.hero-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.hero-image-wrapper:hover img {
  transform: scale(1.08);
}

/* Glow ring behind avatar */
.hero-visual::before {
  content: '';
  position: absolute;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-purple) 0%, transparent 70%);
  opacity: 0.15;
  filter: blur(10px);
  z-index: -1;
}

@keyframes morphing {
  0% {
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  }
  25% {
    border-radius: 58% 42% 75% 25% / 76% 46% 54% 24%;
  }
  50% {
    border-radius: 50% 50% 33% 67% / 55% 27% 73% 45%;
  }
  75% {
    border-radius: 33% 67% 58% 42% / 63% 68% 32% 37%;
  }
  100% {
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  }
}

/* ==========================================================================
   ABOUT & SKILLS SECTION
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 5rem;
  align-items: start;
}

.about-text {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

.about-text p {
  margin-bottom: 1.5rem;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.stat-item {
  padding: 1.5rem;
  text-align: center;
}

.stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: block;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.skills-wrapper {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.skills-category {
  padding: 1.8rem;
}

.skills-category h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.skills-category h3 i {
  color: var(--accent-teal);
}

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.skill-tag {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.skill-tag:hover {
  color: white;
  background: rgba(6, 182, 212, 0.08);
  border-color: var(--accent-teal);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(6, 182, 212, 0.15);
}

/* ==========================================================================
   PROJECTS SECTION
   ========================================================================== */
.project-filters {
  display: flex;
  justify-content: center;
  gap: 0.8rem;
  margin-bottom: 3.5rem;
}

.filter-btn {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.6rem 1.5rem;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.filter-btn.active {
  background: var(--accent-gradient);
  color: white;
  border: none;
  box-shadow: 0 4px 15px rgba(168, 85, 247, 0.2);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
}

.project-card {
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

.project-image {
  height: 200px;
  overflow: hidden;
  position: relative;
  border-bottom: 1px solid var(--border-color);
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.project-card:hover .project-image img {
  transform: scale(1.06);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(6, 8, 19, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

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

.project-actions {
  display: flex;
  gap: 1rem;
}

.project-actions .action-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  text-decoration: none;
  transition: transform var(--transition-fast);
}

.project-actions .action-btn:hover {
  transform: scale(1.1);
  background: var(--accent-gradient-hover);
}

.project-info {
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-tags {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.8rem;
}

.project-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-teal);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.project-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
  line-height: 1.3;
}

.project-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.project-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: auto;
  align-self: flex-start;
  transition: color var(--transition-fast);
}

.project-link:hover {
  color: var(--accent-teal);
}

.project-link i {
  transition: transform var(--transition-fast);
}

.project-link:hover i {
  transform: translateX(3px);
}

/* Filter animation wrapper */
.project-card-wrapper {
  animation: cardFadeIn 0.5s forwards ease;
}

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

/* ==========================================================================
   EXPERIENCE / TIMELINE SECTION
   ========================================================================== */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: linear-gradient(to bottom, transparent, var(--border-color) 10%, var(--border-color) 90%, transparent);
}

.timeline-item {
  position: relative;
  width: 50%;
  clear: both;
}

.timeline-item-left {
  float: left;
  text-align: left;
  padding: 1rem 3rem 1rem 0;
}

.timeline-item-right {
  float: right;
  text-align: left;
  padding: 1rem 0 1rem 3rem;
}

.timeline-dot {
  position: absolute;
  top: 1.8rem;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-darker);
  border: 3px solid var(--accent-purple);
  z-index: 5;
  transition: all var(--transition-fast);
}

.timeline-item-left .timeline-dot {
  right: -8px;
}

.timeline-item-right .timeline-dot {
  left: -8px;
}

.timeline-item:hover .timeline-dot {
  background: var(--accent-teal);
  border-color: var(--accent-teal);
  box-shadow: 0 0 12px var(--accent-teal);
  transform: scale(1.2);
}

.timeline-card {
  padding: 2rem;
}

.timeline-date {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-teal);
  margin-bottom: 0.5rem;
  display: block;
}

.timeline-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.timeline-subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 1rem;
}

.timeline-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* Clearfix for Float Timeline */
.timeline::after {
  content: '';
  display: table;
  clear: both;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-card {
  padding: 1.8rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.contact-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-teal);
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-card:nth-child(2) .contact-icon {
  background: rgba(168, 85, 247, 0.1);
  border: 1px solid rgba(168, 85, 247, 0.2);
  color: var(--accent-purple);
}

.contact-details h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.contact-details p {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.contact-form-wrapper {
  padding: 2.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 0.8rem 1rem;
  border-radius: 8px;
  color: white;
  font-family: inherit;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-teal);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 140px;
}

.submit-btn {
  width: 100%;
  border: none;
}

/* Success and Error states */
.form-message {
  margin-top: 1.5rem;
  padding: 1rem;
  border-radius: 8px;
  font-size: 0.95rem;
  display: none;
  animation: fadeIn 0.4s ease;
}

.form-message.success {
  display: block;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: #10b981;
}

.form-message.error {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #ef4444;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   FOOTER SECTION
   ========================================================================== */
footer {
  background: var(--bg-darker);
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem;
  position: relative;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.footer-nav {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}

.footer-nav a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.footer-nav a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.03);
  padding-top: 2rem;
}

.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: white;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 99;
  box-shadow: 0 4px 15px rgba(168, 85, 247, 0.25);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background: var(--accent-gradient-hover);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(236, 72, 153, 0.35);
}

/* ==========================================================================
   SCROLL REVEAL ANIMATIONS
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-zoom {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active,
.reveal-left.active,
.reveal-right.active,
.reveal-zoom.active {
  opacity: 1;
  transform: translate(0) scale(1);
}

/* Stagger animations for list child items */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal-stagger.active > * {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger.active > *:nth-child(1) { transition-delay: 0.1s; }
.reveal-stagger.active > *:nth-child(2) { transition-delay: 0.2s; }
.reveal-stagger.active > *:nth-child(3) { transition-delay: 0.3s; }
.reveal-stagger.active > *:nth-child(4) { transition-delay: 0.4s; }
.reveal-stagger.active > *:nth-child(5) { transition-delay: 0.5s; }
.reveal-stagger.active > *:nth-child(6) { transition-delay: 0.6s; }

/* ==========================================================================
   MEDIA QUERIES (RESPONSIVENESS)
   ========================================================================== */
@media (max-width: 1024px) {
  :root {
    --max-width: 900px;
  }
  
  .hero-title {
    font-size: 3.2rem;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }
  
  .section-padding {
    padding: 70px 0;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  /* Navigation */
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: -100%;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background: var(--bg-dark);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-color);
    flex-direction: column;
    align-items: center;
    padding-top: 4rem;
    gap: 2.5rem;
    transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  
  .mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
  
  /* Hero */
  .hero-wrapper {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  
  .hero-badge {
    justify-content: center;
  }
  
  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .hero-socials {
    justify-content: center;
  }
  
  .hero-visual {
    order: -1;
  }
  
  .hero-image-wrapper {
    width: 260px;
    height: 260px;
  }
  
  /* Timeline */
  .timeline::before {
    left: 40px;
  }
  
  .timeline-item {
    width: 100%;
    text-align: left;
  }
  
  .timeline-item-left,
  .timeline-item-right {
    float: none;
    padding: 1rem 1.5rem 1rem 5rem;
  }
  
  .timeline-dot {
    left: 32px !important;
    right: auto !important;
  }
  
  /* Contact Form Row */
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  
  .footer-content {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }
}

/* ==========================================================================
   INTERACTIVE CAREER SHOWCASE
   ========================================================================== */
.experience-showcase {
  display: grid;
  grid-template-columns: 220px 1fr;
  background: rgba(10, 14, 26, 0.6);
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  overflow: hidden;
}

.experience-tabs {
  background: rgba(10, 14, 26, 0.3);
  border-right: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  flex-direction: column;
  padding: 1.5rem 0;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  text-align: left;
  padding: 1.2rem 1.8rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  position: relative;
  transition: all var(--transition-fast);
}

.tab-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: transparent;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.02);
}

.tab-btn.active {
  color: var(--accent-teal);
  background: rgba(62, 180, 137, 0.04);
}

.tab-btn.active .tab-dot {
  background: var(--accent-teal);
  box-shadow: 0 0 8px var(--accent-teal);
}

/* Active Border Slider Left */
.tab-btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: transparent;
  transition: all var(--transition-fast);
}

.tab-btn.active::after {
  background: var(--accent-teal);
}

.experience-panels {
  padding: 3rem;
  position: relative;
  min-height: 480px;
}

.tab-panel {
  display: none;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.tab-panel.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.panel-header {
  margin-bottom: 2rem;
}

.panel-role {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0 0 0.5rem 0;
}

.panel-company-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: center;
}

.panel-company {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent-teal);
}

.panel-date {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
}

.panel-achievements {
  list-style-type: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.panel-achievements li {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.panel-achievements li i {
  color: var(--accent-teal);
  font-size: 1rem;
  margin-top: 0.25rem;
  flex-shrink: 0;
}

.panel-achievements li strong {
  color: var(--text-primary);
}

/* Responsive showcase */
@media (max-width: 768px) {
  .experience-showcase {
    grid-template-columns: 1fr;
  }
  .experience-tabs {
    flex-direction: row;
    overflow-x: auto;
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 0;
    scrollbar-width: none; /* Hide scrollbar Firefox */
  }
  .experience-tabs::-webkit-scrollbar {
    display: none; /* Hide scrollbar Chrome/Safari */
  }
  .tab-btn {
    padding: 1rem 1.5rem;
    flex-shrink: 0;
    text-align: center;
    justify-content: center;
  }
  .tab-btn::after {
    bottom: 0;
    top: auto;
    left: 0;
    width: 100%;
    height: 3px;
  }
  .experience-panels {
    padding: 2rem 1.5rem;
    min-height: auto;
  }
  .panel-role {
    font-size: 1.35rem;
  }
}

/* ==========================================================================
   INFINITE SKILLS MARQUEE
   ========================================================================== */
.skills-marquee-container {
  overflow: hidden;
  position: relative;
  width: 100%;
  padding: 0.8rem 0;
  margin-top: 1rem;
  mask-image: linear-gradient(to right, transparent, #000 15%, #000 85%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, #000 15%, #000 85%, transparent);
}

.skills-marquee-track {
  display: flex;
  width: max-content;
  gap: 1rem;
}

/* Scroll Animations */
.marquee-left {
  animation: scroll-left 30s linear infinite;
}

.marquee-right {
  animation: scroll-right 30s linear infinite;
}

/* Pause on Hover */
.skills-marquee-container:hover .skills-marquee-track {
  animation-play-state: paused;
}

@keyframes scroll-left {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

@keyframes scroll-right {
  0% {
    transform: translateX(-50%);
  }
  100% {
    transform: translateX(0);
  }
}

/* Marquee Item Styles */
.skills-marquee-item {
  flex-shrink: 0;
  width: 110px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.8rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-align: center;
  transition: border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}

.skills-marquee-item:hover {
  border-color: rgba(62, 180, 137, 0.3);
  background: rgba(62, 180, 137, 0.04);
  transform: translateY(-2px);
}