/* ===================================
   CSS Variables & Root Settings
   =================================== */
:root {
  /* Color Palette */
  --primary-color: #2c3e50;
  --secondary-color: #3498db;
  --accent-color: #e74c3c;
  --gradient-start: #667eea;
  --gradient-end: #764ba2;
  --success-color: #27ae60;
  --warning-color: #f39c12;

  /* Background Colors */
  --light-bg: #f8f9fa;
  --white: #ffffff;
  --dark-bg: #1a2530;

  /* Text Colors */
  --dark-text: #2c3e50;
  --light-text: #5a6c7d;
  --muted-text: #95a5a6;

  /* Shadows */
  --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 15px 35px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.2);

  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 40px;
  --spacing-xl: 60px;

  /* Border Radius */
  --border-radius-sm: 6px;
  --border-radius-md: 12px;
  --border-radius-lg: 16px;
  --border-radius-full: 50%;

  /* Transitions */
  --transition-fast: 0.15s;
  --transition-base: 0.3s;
  --transition-slow: 0.5s;
  --transition-timing: cubic-bezier(0.4, 0, 0.2, 1);

  /* Timeline Specific */
  --timeline-offset: 0px;
  --timeline-dot-size: 12px;
  --timeline-line-width: 3px;

  /* Z-index Scale */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal: 1050;
  --z-tooltip: 1070;
}

/* ===================================
   SURGICAL FIX: Timeline & Contact Overflow
   Add this to the END of your style.css
   =================================== */

/* CRITICAL: Prevent body overflow without breaking layout */
html,
body {
  max-width: 100vw !important;
  overflow-x: hidden !important;
}

/* FIX 1: Timeline Item Overflow on Mobile ONLY */
@media (max-width: 575px) {
  .timeline-item {
    /* Keep existing padding but ensure it doesn't overflow */
    max-width: calc(
      100vw - 40px
    ) !important; /* viewport - timeline padding-left (20px) - margin (20px) */
    box-sizing: border-box !important;
  }
}

/* FIX 2: Contact Section - Main Culprit (744px overflow) */
@media (max-width: 768px) {
  #contact {
    max-width: 100vw !important;
    width: 100vw !important;
    overflow-x: hidden !important;
  }

  .contact-immersive {
    max-width: 100vw !important;
    overflow-x: hidden !important;
  }

  .contact-content {
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  /* Fix the grid that's causing 744px width */
  .contact-grid-immersive {
    grid-template-columns: 1fr !important; /* Force single column on mobile */
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .contact-card-immersive {
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  /* Hide floating elements on mobile - they extend beyond viewport */
  .floating-element {
    display: none !important;
  }
}

/* FIX 3: Extra small devices */
@media (max-width: 575px) {
  .contact-main-title {
    font-size: 2rem !important;
    max-width: 100% !important;
    word-break: break-word !important;
  }

  .contact-subtitle {
    max-width: 100% !important;
  }
}

/* FIX 4: Ensure all sections respect viewport */
section {
  max-width: 100vw !important;
  overflow-x: hidden !important;
}

/* ===================================
   Base Styles & Resets
   =================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px; /* Account for fixed navbar */
}

/* Fix for scrollbar during back-to-top animation */
html:has(.back-to-top:active) {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--dark-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scrollbar-gutter: stable;
}

/* ===================================
   Accessibility
   =================================== */
/* Respect user motion preferences */
@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;
  }
}

/* Skip to content link */
/* ===================================
   Skip Links - FIXED VERSION
   =================================== */

.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--secondary-color);
  color: white;
  padding: 12px 16px;
  text-decoration: none;
  z-index: var(--z-tooltip);
  border-radius: 0 0 6px 0;
  font-weight: 600;
  transition: top 0.3s ease;
  border: 2px solid transparent;
}

.skip-link:focus {
  top: 0;
  outline: 3px solid var(--accent-color);
  outline-offset: 2px;
}

/* Hide skip links when not focused */
.skip-link:not(:focus) {
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  height: 1px;
  width: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
}

/* Only show first skip link to avoid clutter */
.skip-link ~ .skip-link {
  display: none;
}

.skip-link:focus ~ .skip-link {
  display: block;
}

/* Focus styles for accessibility */
a:focus,
button:focus,
.btn:focus,
input:focus,
textarea:focus,
select:focus {
  outline: 3px solid var(--secondary-color);
  outline-offset: 2px;
}

a:focus:not(:focus-visible),
button:focus:not(:focus-visible) {
  outline: none;
}

/* ===================================
   Navigation
   =================================== */
.navbar {
  background-color: var(--primary-color);
  transition: all var(--transition-base) var(--transition-timing);
  box-shadow: var(--shadow-sm);
  padding: 1rem 0;
  backdrop-filter: blur(10px);
}

.navbar.scrolled {
  padding: 0.5rem 0;
  box-shadow: var(--shadow-md);
  background-color: rgba(44, 62, 80, 0.95);
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
  transition: transform var(--transition-base) var(--transition-timing);
  letter-spacing: -0.5px;
}

.navbar-brand:hover {
  transform: scale(1.05);
}

.nav-link {
  position: relative;
  transition: color var(--transition-base) var(--transition-timing);
  padding: 0.5rem 1rem !important;
  font-weight: 500;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--secondary-color);
  transition: all var(--transition-base) var(--transition-timing);
  transform: translateX(-50%);
  border-radius: 2px;
}

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

.nav-link:hover {
  color: var(--secondary-color) !important;
}

/* Dark mode toggle button styles */
/* Add to your main style.css */
.dark-mode-toggle {
  position: fixed;
  bottom: 30px;
  left: 30px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--secondary-color);
  color: white;
  border: none;
  cursor: pointer;
  z-index: var(--z-fixed);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: all var(--transition-base) var(--transition-timing);
  box-shadow: var(--shadow-md);
}

.dark-mode-toggle:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-lg);
}

/* Dark mode specific styles for the toggle */
body.dark-mode .dark-mode-toggle {
  background: var(--accent-color);
}

/* ===================================
   Hero Section
   =================================== */
.hero-section {
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--dark-bg) 100%
  );
  color: white;
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.05" d="M0,96L48,112C96,128,192,160,288,186.7C384,213,480,235,576,213.3C672,192,768,128,864,128C960,128,1056,192,1152,197.3C1248,203,1344,149,1392,122.7L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
  background-size: cover;
  background-position: center;
  animation: wave 15s ease-in-out infinite;
  opacity: 0.3;
  pointer-events: none;
}

@keyframes wave {
  0%,
  100% {
    transform: translateX(0) translateY(0);
  }
  50% {
    transform: translateX(-25px) translateY(-10px);
  }
}

.hero-section .container {
  position: relative;
  z-index: 2;
}

.hero-section h1,
.hero-section h2,
.hero-section p {
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

/* ===================================
   Responsive Hero Adjustments
   =================================== */

/* Large tablets and small desktops */
@media (max-width: 991px) {
  .hero-section {
    padding: 120px 0 60px; /* Increased from 100px */
    text-align: center !important;
    min-height: auto;
  }

  .hero-section .container {
    padding-top: 15px;
  }
}

/* Tablets */
@media (max-width: 767px) {
  .hero-section {
    padding: 100px 0 40px; /* Increased from 80px */
  }

  .hero-section .container {
    padding-top: 10px;
  }

  .profile-img-container {
    margin-top: 15px;
  }
}

/* Mobile devices */
@media (max-width: 575px) {
  .hero-section {
    padding: 90px 0 40px; /* Ensure navbar clearance on mobile */
  }

  .hero-section .container {
    padding-top: 10px;
  }

  .profile-img-container {
    margin-top: 10px;
  }
}

/* Extra small devices */
@media (max-width: 375px) {
  .hero-section {
    padding: 85px 0 35px;
  }
}

/* ===================================
   Profile Image
   =================================== */
.profile-img-container {
  position: relative;
  display: inline-block;
  border-radius: var(--border-radius-full);
  padding: 6px;
  background: linear-gradient(
    135deg,
    var(--gradient-start) 0%,
    var(--gradient-end) 100%
  );
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-base) var(--transition-timing);
}

.profile-img-container:hover {
  transform: scale(1.05) rotate(2deg);
}

.profile-img-container::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  background: linear-gradient(
    45deg,
    #ff6b6b,
    #4ecdc4,
    #45b7d1,
    #96ceb4,
    #ffeaa7,
    #dda0dd,
    #98d8c8
  );
  background-size: 400%;
  border-radius: var(--border-radius-full);
  z-index: -1;
  animation: glowing 20s linear infinite;
  opacity: 0;
  transition: opacity var(--transition-base) var(--transition-timing);
}

.profile-img-container:hover::before {
  opacity: 0.7;
}

@keyframes glowing {
  0% {
    background-position: 0 0;
  }
  50% {
    background-position: 400% 0;
  }
  100% {
    background-position: 0 0;
  }
}

.profile-img {
  width: 250px;
  height: 250px;
  border-radius: var(--border-radius-full);
  border: 5px solid white;
  object-fit: cover;
  object-position: center;
  display: block;
  user-select: none;
  -webkit-user-select: none;
  transition: transform var(--transition-base) var(--transition-timing);
}

.profile-img-container:hover .profile-img {
  transform: scale(1.02);
}

/* ===================================
   Social Links
   =================================== */
.social-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  border-radius: var(--border-radius-full);
  background-color: rgba(255, 255, 255, 0.1);
  color: white;
  transition: all var(--transition-base) var(--transition-timing);
  text-decoration: none;
  backdrop-filter: blur(10px);
  border: 2px solid transparent;
}

.social-links a:hover {
  background-color: var(--secondary-color);
  transform: translateY(-5px) scale(1.1);
  box-shadow: 0 10px 25px rgba(52, 152, 219, 0.4);
  border-color: rgba(255, 255, 255, 0.3);
}

.social-links a i {
  font-size: 1.2rem;
  transition: transform var(--transition-fast);
}

.social-links a:hover i {
  transform: scale(1.1);
}

/* Contact section social links */
#contact .social-links a {
  background-color: var(--primary-color);
  color: white;
}

#contact .social-links a:hover {
  background-color: var(--secondary-color);
}

/* ===================================
   Button Group Fixes - UPDATED
   =================================== */

/* Button group wrapper for project cards */
.button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: auto;
  width: 100%;
  align-items: stretch; /* Ensure buttons stretch to same height */
}

/* Single button - full width */
.button-group:has(.btn:only-child) {
  justify-content: stretch;
}

.button-group:has(.btn:only-child) .btn {
  width: 100%;
  text-align: center;
  justify-content: center;
}

/* Multiple buttons - equal height and width */
.button-group:has(.btn:not(:only-child)) {
  justify-content: space-between;
}

.button-group:has(.btn:not(:only-child)) .btn {
  flex: 1;
  min-width: 140px;
  min-height: 48px; /* Ensure consistent minimum height */
  text-align: center;
  justify-content: center;
  display: inline-flex;
  align-items: center;
  white-space: nowrap; /* Prevent text wrapping */
}

/* FIXED Hover Effects */
.btn {
  position: relative;
  overflow: hidden;
  z-index: 1; /* Ensure content stays above pseudo-elements */
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base) var(--transition-timing);
  border-radius: inherit;
  z-index: -1; /* Place behind button content */
}

.btn:hover::before {
  transform: scaleX(1);
}

/* Specific hover effects for different button types */
.btn-primary::before {
  background: rgba(255, 255, 255, 0.15);
}

.btn-outline-primary::before {
  background: rgba(52, 152, 219, 0.1);
}

.btn-light::before {
  background: rgba(0, 0, 0, 0.05);
}

/* Ensure button content is properly centered and visible */
.btn .btn-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  position: relative;
  z-index: 2; /* Ensure content stays above hover effects */
}

/* Fix for disabled buttons */
.btn:disabled,
.btn[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
  pointer-events: none;
}

/* Ensure consistent button transformations on hover */
.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(52, 152, 219, 0.4);
}

/* Specific shadow for light button */
.btn-light:hover {
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* Responsive: Stack buttons vertically on mobile */
@media (max-width: 575px) {
  .button-group {
    flex-direction: column;
    gap: 0.5rem;
  }

  .button-group .btn {
    width: 100%;
    min-width: auto;
    white-space: nowrap; /* Still prevent wrapping on mobile */
  }

  /* Allow text wrapping only when absolutely necessary */
  .button-group .btn {
    white-space: normal;
    min-height: 44px;
    padding: 10px 16px;
  }

  /* Ensure single button also takes full width on mobile */
  .button-group:has(.btn:only-child) .btn {
    width: 100%;
  }
}

/* Medium screens: Adjust button text size if needed */
@media (max-width: 768px) and (min-width: 576px) {
  .button-group .btn {
    font-size: 0.9rem;
    padding: 10px 16px;
  }
}

/* Ensure project card content doesn't overflow */
.project-card .card-body {
  min-height: 200px; /* Provide enough space for content */
  display: flex;
  flex-direction: column;
}

.project-card .card-text {
  flex-grow: 1;
}

/* Increase spacing between badges and buttons */
.project-card .mb-4 {
  margin-bottom: 1.5rem !important;
}

/* ===================================
   Section Styles
   =================================== */
section {
  padding: 80px 0;
  position: relative;
}

.section-title {
  position: relative;
  margin-bottom: 50px;
  font-weight: 700;
  font-size: 2.5rem;
  color: var(--dark-text);
  letter-spacing: -0.5px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 0;
  width: 60px;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--secondary-color),
    var(--gradient-start)
  );
  border-radius: 2px;
}

/* Center aligned section titles */
.text-center .section-title::after {
  left: 50%;
  transform: translateX(-50%);
}

/* ===================================
   Skill Cards
   =================================== */
.skill-card {
  background: white;
  border-radius: var(--border-radius-md);
  padding: 30px 25px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base) var(--transition-timing);
  height: 100%;
  border: 1px solid rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--secondary-color),
    var(--gradient-start)
  );
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base) var(--transition-timing);
}

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

.skill-card:hover::before {
  transform: scaleX(1);
}

.skill-icon {
  font-size: 3rem;
  color: var(--secondary-color);
  margin-bottom: 20px;
  transition: transform var(--transition-base) var(--transition-timing);
}

.skill-card:hover .skill-icon {
  transform: scale(1.15) rotate(5deg);
  filter: drop-shadow(0 5px 15px rgba(52, 152, 219, 0.3));
}

.skill-card h4 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: var(--dark-text);
  font-weight: 700;
}

.skill-card p {
  color: var(--light-text);
  margin: 0;
  line-height: 1.7;
}

/* ===================================
   Project Cards
   =================================== */
.project-card {
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base) var(--transition-timing);
  height: 100%;
  border: 1px solid rgba(0, 0, 0, 0.05);
  background: white;
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
  border-color: var(--secondary-color);
}

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

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

.project-card .card-body {
  padding: 25px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-card .card-title {
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--dark-text);
  font-size: 1.25rem;
}

.project-card .card-text {
  color: var(--light-text);
  margin-bottom: 20px;
  line-height: 1.7;
  flex-grow: 1;
}

.project-card .badge {
  font-size: 0.75rem;
  padding: 6px 12px;
  font-weight: 500;
  margin: 4px 4px 4px 0;
  border-radius: var(--border-radius-sm);
}

/* GitHub Stats Badges - Proper Wrapping */
.project-card .d-flex.flex-wrap.gap-2 {
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 0.5rem !important;
  align-items: center !important;
}

/* Keep individual badges compact and prevent stretching */
.project-card .d-flex.flex-wrap.gap-2 > * {
  flex-shrink: 0 !important;
  flex-grow: 0 !important;
  white-space: nowrap !important;
  width: auto !important;
  max-width: fit-content !important;
}

/* Target badge elements */
.project-card .badge,
.project-card [class*='badge'] {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  white-space: nowrap !important;
  flex-shrink: 0 !important;
  width: auto !important;
  min-width: fit-content !important;
  padding: 6px 12px !important;
}

/* Badge icons and text sizing */
.project-card .badge i {
  font-size: 0.85rem !important;
  margin-right: 0.25rem !important;
}

/* If badges contain images */
.project-card .badge img,
.project-card [class*='badge'] img {
  display: inline-block !important;
  height: auto !important;
  max-height: 18px !important;
  width: auto !important;
}

/* ===================================
   Timeline - PERFECTLY CENTERED (Light Mode)
   Replace the timeline section in your style.css with this
   =================================== */

.timeline {
  position: relative;
  padding-left: 40px;
  margin-top: var(--spacing-md);
}

/* Vertical line - perfectly centered */
.timeline::before {
  content: '';
  position: absolute;
  left: 14px; /* Calculated: to center 3px line with 12px dots */
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(
    180deg,
    var(--secondary-color),
    var(--gradient-start)
  );
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  margin-bottom: 40px;
  padding: 25px;
  background: white;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base) var(--transition-timing);
  border-left: 3px solid transparent;
}

.timeline-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(8px);
  border-left-color: var(--secondary-color);
}

/* Dots - perfectly centered on the line */
.timeline-item::before {
  content: '';
  position: absolute;
  left: -32.5px; /* Calculated: -(padding-left - line-left - dot-width/2 + line-width/2) */
  top: 30px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: white;
  border: 3px solid var(--secondary-color);
  box-shadow: 0 0 0 4px white;
  transition: all var(--transition-base) var(--transition-timing);
  z-index: 1;
}

.timeline-item:hover::before {
  transform: scale(1.4);
  background-color: var(--secondary-color);
  box-shadow: 0 0 0 6px white, 0 0 20px rgba(52, 152, 219, 0.5);
}

.timeline-item h4 {
  color: var(--dark-text);
  font-weight: 700;
  margin-bottom: 8px;
  font-size: 1.25rem;
}

.timeline-item h5 {
  color: var(--secondary-color);
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.timeline-item p {
  margin-bottom: 8px;
  line-height: 1.7;
}

.timeline-item .text-muted {
  color: var(--muted-text) !important;
  font-size: 0.9rem;
}

/* ===================================
   Responsive Timeline Adjustments
   =================================== */

/* Large tablets and small desktops */
@media (max-width: 991px) {
  .timeline {
    padding-left: 30px;
  }

  .timeline::before {
    left: 2px; /* Proportional adjustment */
  }

  .timeline-item::before {
    left: -24.5px; /* Recalculated for new padding */
  }
}

/* Tablets */
@media (max-width: 767px) {
  .timeline {
    padding-left: 25px;
  }

  .timeline::before {
    left: 1px; /* Center the line in smaller padding */
    width: 2px;
  }

  .timeline-item {
    padding: 20px;
  }

  .timeline-item::before {
    left: -21px; /* Recalculated: 25px padding - 9px line - 5px (half of 10px dot) */
    top: 25px;
    width: 10px;
    height: 10px;
    border-width: 2px;
    box-shadow: 0 0 0 3px white;
  }

  .timeline-item:hover::before {
    box-shadow: 0 0 0 5px white, 0 0 15px rgba(52, 152, 219, 0.5);
  }
}

/* Mobile devices */
@media (max-width: 575px) {
  .timeline {
    padding-left: 20px;
  }

  .timeline::before {
    left: 5px; /* Center in 20px padding */
    width: 2px;
  }

  .timeline-item {
    padding: 15px;
    margin-bottom: 25px;
  }

  .timeline-item::before {
    left: -17px; /* Recalculated: 20px padding - 8px line - 5px (half dot) */
    top: 20px;
    width: 10px;
    height: 10px;
    border-width: 2px;
  }

  .timeline-item h4 {
    font-size: 1.1rem;
  }

  .timeline-item h5 {
    font-size: 1rem;
  }
}

/* ===================================
   Education Card
   =================================== */
.education-card {
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base) var(--transition-timing);
  border: 1px solid rgba(0, 0, 0, 0.05);
  overflow: hidden;
}

.education-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: linear-gradient(
    180deg,
    var(--secondary-color),
    var(--gradient-start)
  );
}

.education-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.education-card .card-body {
  padding: 30px;
}

.education-card h4 {
  color: var(--dark-text);
  font-weight: 700;
  margin-bottom: 10px;
}

.education-card h5 {
  color: var(--secondary-color);
  font-weight: 600;
  margin-bottom: 20px;
}

.education-card h6 {
  color: var(--dark-text);
  font-weight: 600;
  margin-top: 20px;
  margin-bottom: 10px;
}

.education-card ul {
  padding-left: 20px;
  margin-bottom: 15px;
}

.education-card li {
  margin-bottom: 8px;
  color: var(--light-text);
  line-height: 1.7;
}

/* ===================================
   Option 5: Full-Width Immersive Contact - FIXED
   =================================== */

#contact {
  padding: 0 !important;
  position: relative;
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--dark-bg) 100%
  );
  overflow: hidden;
  width: 100%;
  max-width: 100%;
}

.contact-immersive {
  position: relative;
  min-height: auto;
  display: flex;
  align-items: center;
  color: white;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  padding: 80px 0;
}

/* Animated background */
.contact-immersive::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
      circle at 20% 80%,
      rgba(52, 152, 219, 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 20%,
      rgba(231, 76, 60, 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 40% 40%,
      rgba(46, 204, 113, 0.05) 0%,
      transparent 50%
    );
  animation: backgroundShift 15s ease-in-out infinite;
}

@keyframes backgroundShift {
  0%,
  100% {
    transform: scale(1) rotate(0deg);
  }
  50% {
    transform: scale(1.1) rotate(180deg);
  }
}

/* Floating elements */
.floating-element {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  animation: floatAround 20s ease-in-out infinite;
}

.floating-element:nth-child(1) {
  width: 100px;
  height: 100px;
  top: 10%;
  left: 10%;
  animation-delay: 0s;
}

.floating-element:nth-child(2) {
  width: 150px;
  height: 150px;
  top: 60%;
  right: 10%;
  animation-delay: -5s;
}

.floating-element:nth-child(3) {
  width: 80px;
  height: 80px;
  bottom: 20%;
  left: 20%;
  animation-delay: -10s;
}

@keyframes floatAround {
  0%,
  100% {
    transform: translate(0, 0) rotate(0deg);
  }
  25% {
    transform: translate(30px, -30px) rotate(90deg);
  }
  50% {
    transform: translate(0, -60px) rotate(180deg);
  }
  75% {
    transform: translate(-30px, -30px) rotate(270deg);
  }
}

.contact-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 80px 20px;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.contact-main-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 0%, #4ecdc4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.contact-subtitle {
  font-size: 1.3rem;
  margin-bottom: 50px;
  opacity: 0.9;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Contact Cards Grid */
.contact-grid-immersive {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  max-width: 1000px;
  margin: 0 auto 50px;
  width: 100%;
  box-sizing: border-box;
  padding: 0 20px;
}

.contact-card-immersive {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  padding: 40px 30px;
  text-align: center;
  transition: all var(--transition-base) var(--transition-timing);
  position: relative;
  overflow: hidden;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.contact-card-immersive::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 var(--transition-slow) var(--transition-timing);
}

.contact-card-immersive:hover::before {
  left: 100%;
}

.contact-card-immersive:hover {
  transform: translateY(-10px);
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.card-icon-immersive {
  width: 80px;
  height: 80px;
  margin: 0 auto 25px;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.2),
    rgba(255, 255, 255, 0.1)
  );
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  transition: all var(--transition-base) var(--transition-timing);
}

.contact-card-immersive:hover .card-icon-immersive {
  transform: scale(1.1) rotate(10deg);
  background: linear-gradient(
    135deg,
    var(--secondary-color),
    var(--gradient-start)
  );
  border-color: transparent;
}

.contact-card-immersive h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  font-weight: 600;
}

.contact-card-immersive p,
.contact-card-immersive a {
  color: white;
  text-decoration: none;
  font-size: 1.2rem;
  margin: 0;
  opacity: 0.9;
  transition: opacity var(--transition-base);
}

.contact-card-immersive a:hover {
  opacity: 1;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

/* Social Links Immersive */
.social-immersive {
  margin-top: 50px;
}

.social-immersive h4 {
  font-size: 1.3rem;
  margin-bottom: 25px;
  opacity: 0.9;
}

.social-links-immersive {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.social-links-immersive a {
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  font-size: 1.4rem;
  transition: all var(--transition-base) var(--transition-timing);
  position: relative;
  overflow: hidden;
}

.social-links-immersive a::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 var(--transition-slow) var(--transition-timing);
}

.social-links-immersive a:hover::before {
  left: 100%;
}

.social-links-immersive a:hover {
  transform: translateY(-5px) scale(1.1);
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

/* Responsive */
@media (max-width: 768px) {
  .contact-main-title {
    font-size: 2.5rem;
  }

  .contact-grid-immersive {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .contact-card-immersive {
    padding: 30px 20px;
  }

  .floating-element {
    display: none;
  }
}

/* ===================================
   Loading & Fallback States
   =================================== */
.loading-spinner {
  text-align: center;
  padding: 60px 20px;
}

.spinner-border {
  width: 3rem;
  height: 3rem;
  border-width: 0.3em;
}

.github-fallback {
  text-align: center;
  padding: 60px 40px;
  background: var(--light-bg);
  border-radius: var(--border-radius-md);
  color: var(--light-text);
  border: 2px dashed rgba(0, 0, 0, 0.1);
}

.github-fallback i {
  color: var(--muted-text);
  margin-bottom: var(--spacing-md);
}

.github-fallback p {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-md);
}

/* ===================================
   Footer
   =================================== */
footer {
  background-color: var(--primary-color);
  color: white;
  padding: 30px 0;
  text-align: center;
  position: relative;
  margin-top: auto;
}

footer p {
  margin: 0;
  opacity: 0.9;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--secondary-color),
    transparent
  );
}

/* ===================================
   Back to Top Button - FIXED VERSION
   =================================== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  border-radius: var(--border-radius-full);
  background-color: var(--secondary-color);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base) var(--transition-timing);
  z-index: var(--z-fixed);
  box-shadow: var(--shadow-md);
  border: 2px solid transparent;
  /* Ensure it's properly hidden from screen readers when not visible */
  pointer-events: none;
}

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

.back-to-top:hover {
  background-color: #2980b9;
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(255, 255, 255, 0.3);
}

.back-to-top i {
  font-size: 1.2rem;
  transition: transform var(--transition-base);
}

.back-to-top:hover i {
  transform: translateY(-2px);
}

/* Ensure button is properly hidden when not showing */
.back-to-top:not(.show) {
  /* These properties ensure it's completely inaccessible when hidden */
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

/* ===================================
   Badge Styles
   =================================== */
.badge {
  font-weight: 500;
  letter-spacing: 0.3px;
}

.badge-custom {
  background-color: var(--secondary-color);
  border-radius: var(--border-radius-sm);
}

/* ===================================
   Utility Classes
   =================================== */
.text-gradient {
  background: linear-gradient(
    90deg,
    var(--secondary-color),
    var(--gradient-start)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===================================
   Responsive Design
   =================================== */

/* Large tablets and small desktops */
@media (max-width: 991px) {
  :root {
    --spacing-lg: 32px;
    --spacing-xl: 48px;
  }

  .hero-section {
    padding: 100px 0 60px;
    text-align: center !important;
    min-height: auto;
  }

  .profile-img {
    width: 200px;
    height: 200px;
  }

  .section-title {
    font-size: 2rem;
  }

  section {
    padding: 60px 0;
  }

  .timeline {
    padding-left: 30px;
  }

  .timeline-item::before {
    left: -36px;
  }

  .social-links {
    justify-content: center;
  }
}

/* Tablets */
@media (max-width: 767px) {
  :root {
    --spacing-md: 20px;
    --spacing-lg: 28px;
    --spacing-xl: 40px;
  }

  .hero-section {
    padding: 80px 0 40px;
  }

  .profile-img {
    width: 180px;
    height: 180px;
  }

  .hero-section h1 {
    font-size: 2.5rem;
  }

  .hero-section h2 {
    font-size: 1.5rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .skill-card,
  .project-card {
    margin-bottom: 20px;
  }

  .timeline {
    padding-left: 25px;
  }

  .timeline-item {
    padding: 20px;
  }

  .timeline-item::before {
    left: -31px;
    top: 25px;
  }

  .contact-info {
    padding: 30px 20px;
  }

  .social-links a {
    width: 40px;
    height: 40px;
    margin: 0 5px;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
  }

  .btn {
    padding: 10px 24px;
    font-size: 0.95rem;
  }

  .skill-icon {
    font-size: 2.5rem;
  }

  .contact-icon {
    font-size: 1.3rem;
  }
}

/* Mobile devices */
@media (max-width: 575px) {
  :root {
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
  }

  .profile-img {
    width: 150px;
    height: 150px;
    border-width: 3px;
  }

  .hero-section h1 {
    font-size: 2rem;
  }

  .hero-section h2 {
    font-size: 1.25rem;
  }

  .hero-section .lead {
    font-size: 1rem;
  }

  .btn {
    padding: 10px 20px;
    font-size: 0.9rem;
  }

  section {
    padding: 40px 0;
  }

  .section-title {
    font-size: 1.5rem;
    margin-bottom: 30px;
  }

  .section-title::after {
    width: 40px;
    height: 3px;
    bottom: -10px;
  }

  .skill-card {
    padding: 20px;
  }

  .skill-icon {
    font-size: 2.2rem;
    margin-bottom: 15px;
  }

  .project-card .card-body {
    padding: 20px;
  }

  .project-img {
    height: 180px;
  }

  .timeline {
    padding-left: 20px;
  }

  .timeline-item {
    padding: 15px;
    margin-bottom: 25px;
  }

  .timeline-item::before {
    left: calc(-20px + 3px - var(--timeline-dot-size) / 2 + 1px);
    top: 20px;
    width: 10px;
    height: 10px;
    border-width: 2px;
  }

  .timeline-item h4 {
    font-size: 1.1rem;
  }

  .timeline-item h5 {
    font-size: 1rem;
  }

  .contact-info {
    padding: 25px 15px;
  }

  .contact-info p {
    font-size: 1rem;
  }

  .education-card .card-body {
    padding: 20px;
  }

  .social-links a {
    width: 38px;
    height: 38px;
  }

  .social-links a i {
    font-size: 1rem;
  }
}

/* Extra small devices */
@media (max-width: 375px) {
  .profile-img {
    width: 130px;
    height: 130px;
  }

  .hero-section h1 {
    font-size: 1.75rem;
  }

  .section-title {
    font-size: 1.35rem;
  }

  .btn-lg {
    font-size: 0.85rem;
    padding: 10px 18px;
  }
}

/* ===================================
   Print Styles
   =================================== */
@media print {
  .navbar,
  .back-to-top,
  .skip-link {
    display: none !important;
  }

  .hero-section {
    padding: 20px 0;
    min-height: auto;
    background: white !important;
    color: black !important;
  }

  .hero-section::before {
    display: none;
  }

  section {
    padding: 20px 0;
    page-break-inside: avoid;
  }

  .skill-card,
  .project-card,
  .timeline-item {
    box-shadow: none;
    border: 1px solid #ddd;
    page-break-inside: avoid;
  }

  a {
    text-decoration: underline;
  }

  .btn {
    border: 1px solid #000;
    background: white !important;
    color: black !important;
  }
}

/* ===================================
   High Contrast Mode Support
   =================================== */
@media (prefers-contrast: high) {
  :root {
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.3);
  }

  .skill-card,
  .project-card,
  .timeline-item {
    border: 2px solid var(--dark-text);
  }

  .btn {
    border-width: 3px;
  }
}

/* ===================================
   Performance Optimizations
   =================================== */
/* GPU acceleration for animations */
.profile-img-container,
.skill-card,
.project-card,
.timeline-item,
.back-to-top,
.btn {
  will-change: transform;
}

/* Remove will-change after animation completes */
.profile-img-container:not(:hover),
.skill-card:not(:hover),
.project-card:not(:hover),
.timeline-item:not(:hover) {
  will-change: auto;
}

/* ===================================
   Custom Scrollbar - ONLY show the thumb, hide the track completely
   =================================== */

/* Webkit browsers (Chrome, Edge, Safari) */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0);
}

::-webkit-scrollbar-thumb {
  background-color: rgba(52, 152, 219, 0.6);
  border-radius: 10px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

::-webkit-scrollbar-thumb:hover {
  background-color: rgba(52, 152, 219, 0.9);
}

::-webkit-scrollbar-thumb:active {
  background-color: #2980b9;
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(52, 152, 219, 0.6) rgba(0, 0, 0, 0);
}

/* ===================================
   Selection Styles
   =================================== */
::selection {
  background-color: var(--secondary-color);
  color: white;
}

::-moz-selection {
  background-color: var(--secondary-color);
  color: white;
}

/* ===================================
   COMPLETE OVERFLOW FIX - Desktop + Mobile
   Add this to the END of your style.css
   =================================== */

/* CRITICAL: Prevent overflow on ALL devices */
html {
  max-width: 100vw !important;
  overflow-x: hidden !important;
  width: 100% !important;
}

body {
  max-width: 100vw !important;
  overflow-x: hidden !important;
  width: 100% !important;
  margin: 0 !important;
  padding: 0 !important;
}

/* FIX: All sections should span full width */
section {
  max-width: 100vw !important;
  width: 100vw !important;
  overflow-x: hidden !important;
  margin-left: 0 !important;
  margin-right: 0 !important;
}

/* FIX: Hero section full width */
.hero-section {
  max-width: 100vw !important;
  width: 100vw !important;
  overflow-x: hidden !important;
  margin-left: 0 !important;
  margin-right: 0 !important;
}

/* FIX: Contact section - causing overflow on both desktop and mobile */
#contact {
  max-width: 100vw !important;
  width: 100vw !important;
  overflow-x: hidden !important;
  margin-left: 0 !important;
  margin-right: 0 !important;
  padding-left: 0 !important;
  padding-right: 0 !important;
}

.contact-immersive {
  max-width: 100vw !important;
  width: 100vw !important;
  overflow-x: hidden !important;
}

.contact-content {
  max-width: 100% !important;
  box-sizing: border-box !important;
}

/* FIX: Contact grid causing desktop overflow */
.contact-grid-immersive {
  max-width: 100% !important;
  box-sizing: border-box !important;
}

.contact-card-immersive {
  max-width: 100% !important;
  box-sizing: border-box !important;
}

/* FIX: Floating elements extend beyond viewport */
.floating-element {
  max-width: 100vw !important;
  overflow: hidden !important;
}

/* FIX: Background sections */
.bg-light {
  max-width: 100vw !important;
  width: 100vw !important;
  margin-left: 0 !important;
  margin-right: 0 !important;
}

/* FIX: Footer */
footer {
  max-width: 100vw !important;
  width: 100vw !important;
  overflow-x: hidden !important;
  margin-left: 0 !important;
  margin-right: 0 !important;
}

/* MOBILE SPECIFIC FIXES */
@media (max-width: 768px) {
  /* Force single column on mobile */
  .contact-grid-immersive {
    grid-template-columns: 1fr !important;
  }

  /* Hide floating elements on mobile - they cause overflow */
  .floating-element {
    display: none !important;
  }
}

/* Mobile timeline fix */
@media (max-width: 575px) {
  .timeline-item {
    max-width: calc(100vw - 40px) !important;
    box-sizing: border-box !important;
  }

  .contact-main-title {
    font-size: 2rem !important;
    max-width: 100% !important;
    word-break: break-word !important;
  }
}

/* ===================================
   Mobile Touch Fix for Back-to-Top Button
   =================================== */
.back-to-top {
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
  touch-action: manipulation;
  cursor: pointer;
}

.back-to-top.show {
  pointer-events: auto !important;
}

.back-to-top:active {
  transform: translateY(-5px) scale(0.95) !important;
}