/* ============================================
   CSS Variables - Design System
   ============================================ */
:root {
  --primary-color: #3498db;
  --primary-dark: #2980b9;
  --secondary-color: #2c3e50;
  --accent-color: #e74c3c;
  --text-dark: #2c3e50;
  --text-light: #7f8c8d;
  --bg-light: #f8f9fa;
  --bg-white: #ffffff;
  --border-color: #e0e0e0;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-dark: linear-gradient(180deg, #2c3e50 0%, #34495e 100%);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --focus-outline: 3px solid var(--primary-color);
  --focus-outline-offset: 2px;
}

/* ============================================
   Reset & Base Styles
   ============================================ */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

/* Respect user's 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;
  }
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  margin: 0;
  padding: 20px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #667eea 100%);
  background-size: 200% 200%;
  animation: gradientShift 15s ease infinite;
  min-height: 100vh;
  color: var(--text-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  contain: layout style paint;
}

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

@media (prefers-reduced-motion: reduce) {
  body {
    animation: none;
    background: var(--gradient-primary);
  }
}

/* ============================================
   Layout Components
   ============================================ */
.resume-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  contain: layout;
}

.resume {
  display: grid;
  grid-template-columns: 350px 1fr;
  background: var(--bg-white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.05);
  animation: slideUp 0.6s ease-out;
  position: relative;
}

.resume::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  z-index: 10;
}

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

/* Left Section */
.left-section {
  background: var(--gradient-dark);
  color: white;
  padding: 40px 30px;
  position: relative;
  overflow-y: auto;
  box-shadow: inset -1px 0 0 rgba(255, 255, 255, 0.1);
}

.left-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, rgba(52, 73, 94, 0.95) 0%, rgba(44, 62, 80, 0.98) 100%);
  z-index: 0;
}

.left-section > * {
  position: relative;
  z-index: 1;
}

.profile-card {
  text-align: center;
  margin-bottom: 40px;
  padding-bottom: 30px;
  border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

.profile-image-wrapper {
  position: relative;
  display: inline-block;
  margin-bottom: 20px;
}

.profile-img {
  width: 160px;
  height: 160px;
  min-width: 160px;
  min-height: 160px;
  border-radius: 50%;
  border: 5px solid rgba(255, 255, 255, 0.2);
  object-fit: cover;
  object-position: center center;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: auto;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  -webkit-transform: translateZ(0) scale(1);
  transform: translateZ(0) scale(1);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  filter: contrast(1.2) saturate(1.15) brightness(1.1);
  will-change: transform;
  -webkit-perspective: 1000px;
  perspective: 1000px;
  -ms-interpolation-mode: bicubic;
  image-orientation: from-image;
  -webkit-image-rendering: -webkit-optimize-contrast;
}

.profile-img:hover {
  transform: translateZ(0) scale(1.08);
  border-color: var(--primary-color);
  box-shadow: 0 12px 32px rgba(52, 152, 219, 0.4);
}

.profile-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(52, 152, 219, 0.1) 0%, rgba(231, 76, 60, 0.1) 100%);
  opacity: 0;
  transition: var(--transition);
}

.profile-image-wrapper:hover .profile-overlay {
  opacity: 1;
}

.profile-name {
  font-size: 28px;
  font-weight: 700;
  color: white;
  margin: 15px 0 8px;
  letter-spacing: -0.5px;
}

.profile-title {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 15px;
  font-weight: 400;
  display: inline-block;
  min-height: 1.5em;
}

.profile-title.typing::after {
  content: '';
  display: inline-block;
  width: 2px;
  height: 1em;
  background: rgba(255, 255, 255, 0.8);
  margin-left: 2px;
  animation: blink 1s infinite;
}

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

.experience-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, rgba(52, 152, 219, 0.25), rgba(41, 128, 185, 0.25));
  padding: 10px 18px;
  border-radius: 25px;
  font-size: 14px;
  font-weight: 600;
  border: 1.5px solid rgba(52, 152, 219, 0.4);
  transition: var(--transition);
  box-shadow: 0 2px 8px rgba(52, 152, 219, 0.2);
  backdrop-filter: blur(10px);
}

.experience-badge:hover {
  background: rgba(52, 152, 219, 0.3);
  transform: translateY(-2px);
}

.badge-icon {
  font-size: 16px;
}

.info-section {
  margin-bottom: 35px;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
  color: white;
  padding-bottom: 10px;
  border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

.title-icon {
  font-size: 20px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  transition: var(--transition);
}

.contact-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(5px);
}

.contact-icon {
  font-size: 18px;
  flex-shrink: 0;
}

.contact-link {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-size: 14px;
  transition: var(--transition);
}

.contact-link:hover {
  color: var(--primary-color);
}

.contact-link:focus-visible {
  outline: var(--focus-outline);
  outline-offset: var(--focus-outline-offset);
  border-radius: 4px;
}

.education-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.edu-card {
  padding: 15px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  border-left: 3px solid var(--primary-color);
  transition: var(--transition);
}

.edu-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(5px);
}

.edu-degree {
  font-size: 15px;
  font-weight: 600;
  color: white;
  margin-bottom: 5px;
}

.edu-institution {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 4px;
}

.edu-year {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
}

.language-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.language-tag {
  padding: 8px 16px;
  background: rgba(52, 152, 219, 0.2);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid rgba(52, 152, 219, 0.3);
  transition: var(--transition);
}

.language-tag:hover {
  background: rgba(52, 152, 219, 0.3);
  transform: translateY(-2px);
}

.social-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-size: 14px;
  transition: var(--transition);
}

.social-link:hover {
  background: rgba(52, 152, 219, 0.2);
  transform: translateX(5px);
  color: white;
}

.social-link:focus-visible {
  outline: var(--focus-outline);
  outline-offset: var(--focus-outline-offset);
  border-radius: 4px;
}

.social-icon {
  font-size: 18px;
}

/* Right Section */
.right-section {
  padding: 40px;
  background: var(--bg-white);
  overflow-y: auto;
}

.content-section {
  margin-bottom: 40px;
  animation: fadeInUp 0.6s ease-out;
  animation-fill-mode: both;
}

.content-section:nth-child(1) { animation-delay: 0.1s; }
.content-section:nth-child(2) { animation-delay: 0.2s; }
.content-section:nth-child(3) { animation-delay: 0.3s; }

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

.section-heading {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 25px;
  position: relative;
}

.heading-line {
  width: 5px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: 3px;
  box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.heading-text {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-dark);
  letter-spacing: -0.5px;
}

.summary-text {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.9;
  text-align: justify;
}

.summary-text strong {
  color: var(--text-dark);
  font-weight: 600;
}

.experience-card {
  margin-bottom: 30px;
  padding: 28px;
  background: linear-gradient(to bottom, #ffffff 0%, #f8f9fa 100%);
  border-radius: 16px;
  border-left: 5px solid var(--primary-color);
  border-top: 1px solid rgba(52, 152, 219, 0.1);
  border-right: 1px solid rgba(52, 152, 219, 0.1);
  border-bottom: 1px solid rgba(52, 152, 219, 0.1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.experience-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-primary);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.4s ease;
}

.experience-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 24px rgba(52, 152, 219, 0.15), 0 0 0 1px rgba(52, 152, 219, 0.1);
  border-left-color: var(--primary-dark);
}

.experience-card:hover::before {
  transform: scaleY(1);
}

.exp-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 15px;
}

.exp-title-group {
  flex: 1;
}

.exp-position {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 5px;
}

.exp-company {
  font-size: 16px;
  color: var(--primary-color);
  font-weight: 600;
}

.exp-duration {
  font-size: 14px;
  color: var(--text-light);
  font-style: italic;
  white-space: nowrap;
}

.project-highlight {
  margin-top: 20px;
  padding: 24px;
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  border-radius: 14px;
  border: 1px solid rgba(52, 152, 219, 0.15);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
}

.project-highlight::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-primary);
}

.project-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--gradient-primary);
  color: white;
  border-radius: 25px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 15px;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
  letter-spacing: 0.3px;
}

.badge-dot {
  width: 6px;
  height: 6px;
  background: white;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

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

.project-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.project-description {
  font-size: 14px;
  color: var(--text-light);
  font-style: italic;
  margin-bottom: 20px;
  line-height: 1.7;
}

.backend-achievements {
  margin-top: 20px;
}

.achievements-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border-color);
}

.achievements-list {
  list-style: none;
  display: grid;
  gap: 12px;
}

.achievements-list li {
  position: relative;
  padding-left: 25px;
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
  transition: var(--transition);
}

.achievements-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
  font-size: 18px;
  transition: var(--transition);
}

.achievements-list li:hover {
  color: var(--text-dark);
  transform: translateX(5px);
}

.achievements-list li:hover::before {
  transform: translateX(3px);
}

.exp-responsibilities {
  list-style: none;
  display: grid;
  gap: 12px;
}

.exp-responsibilities li {
  position: relative;
  padding-left: 25px;
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
  transition: var(--transition);
}

.exp-responsibilities li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
  font-size: 16px;
}

.exp-responsibilities li:hover {
  color: var(--text-dark);
  transform: translateX(5px);
}

.skills-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.skill-group {
  padding: 20px;
  background: linear-gradient(to bottom, #ffffff 0%, #f8f9fa 100%);
  border-radius: 12px;
  border-left: 4px solid var(--primary-color);
  border-top: 1px solid rgba(52, 152, 219, 0.1);
  border-right: 1px solid rgba(52, 152, 219, 0.1);
  border-bottom: 1px solid rgba(52, 152, 219, 0.1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.skill-group:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(52, 152, 219, 0.12);
  border-left-color: var(--primary-dark);
  border-color: rgba(52, 152, 219, 0.2);
}

.skill-group-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 15px;
}

.skill-icon {
  font-size: 18px;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-tag {
  padding: 10px 18px;
  background: white;
  border: 1.5px solid var(--border-color);
  border-radius: 25px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dark);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.skill-tag:hover {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  border-color: var(--primary-color);
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

.skill-tag:focus-visible {
  outline: var(--focus-outline);
  outline-offset: var(--focus-outline-offset);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .resume {
    grid-template-columns: 320px 1fr;
  }
  
  .skills-container {
    grid-template-columns: 1fr;
  }
}

/* Mobile contact quick actions - hidden on desktop */
.mobile-contact-bar {
  display: none;
}

/* Mobile Sticky Contact Bar - Hidden on desktop */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--gradient-dark);
  padding: 12px;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
  z-index: 1000;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  gap: 8px;
  justify-content: space-around;
}

.sticky-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 10px 8px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  color: white;
  text-decoration: none;
  font-size: 11px;
  font-weight: 500;
  transition: all 0.3s ease;
  -webkit-tap-highlight-color: transparent;
  min-height: 60px;
}

.sticky-btn:active {
  background: rgba(52, 152, 219, 0.3);
  transform: scale(0.95);
}

.sticky-btn:focus-visible {
  outline: var(--focus-outline);
  outline-offset: var(--focus-outline-offset);
  border-radius: 4px;
}

.sticky-icon {
  font-size: 20px;
}

.sticky-text {
  font-size: 11px;
  margin-top: 2px;
}

.call-btn:active {
  background: rgba(76, 175, 80, 0.3);
}

.email-btn:active {
  background: rgba(33, 150, 243, 0.3);
}

.share-btn:active {
  background: rgba(156, 39, 176, 0.3);
}

/* Scroll to Top Button */
.scroll-to-top {
  display: none;
  position: fixed;
  bottom: 80px;
  right: 20px;
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 24px;
  font-weight: bold;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  -webkit-tap-highlight-color: transparent;
}

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

.scroll-to-top:active {
  transform: scale(0.9);
  background: var(--primary-dark);
}

.scroll-to-top:focus-visible {
  outline: var(--focus-outline);
  outline-offset: var(--focus-outline-offset);
}

.scroll-to-top span {
  display: block;
  line-height: 1;
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: rgba(0, 0, 0, 0.85);
  color: white;
  padding: 12px 24px;
  border-radius: 25px;
  font-size: 14px;
  z-index: 10000;
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 768px) {
  body {
    padding: 0;
    padding-bottom: 80px; /* Space for sticky bar */
  }

  .resume-container {
    padding: 0;
  }

  .resume {
    grid-template-columns: 1fr;
    border-radius: 0;
    min-height: 100vh;
  }

  /* Show sticky bar and scroll button on mobile */
  .mobile-sticky-bar {
    display: flex;
  }

  .scroll-to-top {
    display: block;
    bottom: 90px;
    right: 15px;
    width: 45px;
    height: 45px;
    font-size: 20px;
  }

  /* Mobile: Contact header at top */
  .left-section {
    padding: 20px;
    order: 1;
  }

  /* Mobile contact quick actions */
  .mobile-contact-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    flex-wrap: wrap;
  }

  .mobile-contact-btn {
    flex: 1;
    min-width: calc(50% - 5px);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(52, 152, 219, 0.2);
    border: 1px solid rgba(52, 152, 219, 0.3);
    border-radius: 8px;
    color: white;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    -webkit-tap-highlight-color: transparent;
  }

  .mobile-contact-btn:active {
    background: rgba(52, 152, 219, 0.4);
    transform: scale(0.98);
  }

  .mobile-contact-btn .contact-icon {
    font-size: 18px;
  }

  .right-section {
    padding: 20px;
    order: 2;
  }

  .profile-card {
    margin-bottom: 20px;
    padding-bottom: 15px;
  }

  .profile-img {
    width: 120px;
    height: 120px;
  }

  .profile-name {
    font-size: 22px;
    margin: 10px 0 5px;
  }

  .profile-title {
    font-size: 14px;
    margin-bottom: 10px;
    display: block;
    width: 100%;
  }

  .experience-badge {
    padding: 6px 12px;
    font-size: 12px;
    display: block;
    width: 100%;
    justify-content: center;
  }

  .info-section {
    margin-bottom: 18px;
  }

  .section-title {
    font-size: 15px;
    margin-bottom: 12px;
  }

  /* Hide regular contact section on mobile, use quick bar instead */
  .left-section .info-section:first-of-type {
    display: none;
  }

  .section-heading {
    margin-bottom: 16px;
  }

  .heading-text {
    font-size: 20px;
  }

  .heading-line {
    width: 3px;
    height: 28px;
  }

  .content-section {
    margin-bottom: 22px;
  }

  .exp-header {
    flex-direction: column;
    gap: 8px;
  }

  .experience-card {
    margin-bottom: 18px;
    padding: 16px;
  }

  .project-highlight {
    padding: 14px;
    margin-top: 12px;
  }

  .skills-container {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .skill-group {
    padding: 14px;
  }

  .contact-item,
  .social-link {
    padding: 10px;
  }

  .edu-card {
    padding: 12px;
  }

  /* Compact education on mobile */
  .education-list {
    gap: 10px;
  }

  /* Hide languages section on mobile to save space */
  .info-section:nth-of-type(3) {
    display: none;
  }
}

@media (max-width: 480px) {
  * {
    -webkit-tap-highlight-color: transparent;
  }

  body {
    padding: 0;
    padding-bottom: 75px;
    -webkit-text-size-adjust: 100%;
  }

  .left-section,
  .right-section {
    padding: 15px;
  }

  .mobile-contact-bar {
    margin-bottom: 15px;
    padding: 10px;
    gap: 8px;
  }

  .mobile-contact-btn {
    padding: 10px 12px;
    font-size: 13px;
    min-width: calc(50% - 4px);
  }

  .mobile-sticky-bar {
    padding: 10px 8px;
  }

  .sticky-btn {
    padding: 8px 6px;
    min-height: 55px;
    font-size: 10px;
  }

  .sticky-icon {
    font-size: 18px;
  }

  .sticky-text {
    font-size: 10px;
  }

  .scroll-to-top {
    bottom: 85px;
    right: 12px;
    width: 42px;
    height: 42px;
    font-size: 18px;
  }

  .toast {
    bottom: 90px;
    padding: 10px 20px;
    font-size: 13px;
  }

  .profile-img {
    width: 120px;
    height: 120px;
  }

  .profile-name {
    font-size: 22px;
  }

  .profile-title {
    font-size: 14px;
    display: block;
    width: 100%;
  }

  .experience-badge {
    padding: 6px 14px;
    font-size: 13px;
    display: block;
    width: 100%;
    justify-content: center;
  }

  .section-title {
    font-size: 15px;
  }

  .heading-text {
    font-size: 20px;
  }

  .heading-line {
    height: 30px;
  }

  .exp-position {
    font-size: 18px;
  }

  .exp-company {
    font-size: 15px;
  }

  .summary-text,
  .achievements-list li,
  .exp-responsibilities li {
    font-size: 13px;
    line-height: 1.7;
  }

  .experience-card {
    padding: 15px;
    margin-bottom: 18px;
  }

  .project-highlight {
    padding: 15px;
  }

  .skill-group {
    padding: 12px;
  }

  .skill-group-title {
    font-size: 15px;
    margin-bottom: 10px;
  }

  .skill-tag {
    padding: 6px 12px;
    font-size: 12px;
  }

  .contact-item,
  .social-link {
    padding: 8px;
    font-size: 13px;
  }

  .edu-card {
    padding: 10px;
  }

  .edu-degree {
    font-size: 14px;
  }

  .edu-institution,
  .edu-year {
    font-size: 12px;
  }

  .language-tag {
    padding: 6px 12px;
    font-size: 12px;
  }
}

/* Touch device optimizations */
.touch-device .skill-tag:hover,
.touch-device .experience-card:hover,
.touch-device .skill-group:hover {
  transform: none;
}

.touch-device .skill-tag:active {
  transform: scale(0.98);
  background: var(--primary-color);
  color: white;
}

/* ============================================
   Print Styles - Production Ready
   ============================================ */
@media print {
  *,
  *::before,
  *::after {
    background: transparent !important;
    color: #000 !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }

  body {
    background: white;
    padding: 0;
    font-size: 12pt;
    line-height: 1.5;
  }

  .resume {
    box-shadow: none;
    border-radius: 0;
    max-width: 100%;
    margin: 0;
    page-break-inside: avoid;
  }

  .resume::before {
    display: none;
  }

  .left-section {
    background: #2c3e50 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
    color: white !important;
    page-break-inside: avoid;
  }

  .left-section::before {
    background: #2c3e50 !important;
  }

  .right-section {
    page-break-inside: avoid;
  }

  .experience-card,
  .skill-group,
  .project-highlight {
    page-break-inside: avoid;
    break-inside: avoid;
  }

  .experience-card:hover,
  .skill-group:hover {
    transform: none;
  }

  .mobile-sticky-bar,
  .scroll-to-top,
  .mobile-contact-bar {
    display: none !important;
  }

  .section-heading,
  .section-title {
    page-break-after: avoid;
  }

  a[href^="http"]:after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
  }

  @page {
    margin: 1cm;
    size: A4;
  }
}