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

/* Global */
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: "Poppins", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f8f8f8;
  color: #333;
  line-height: 1.6;
}

.main {
  margin: 96px 24px 96px 24px;
}

.container {
  max-width: 1200px;
  margin: 20px auto;
  padding: 20px;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: #111827;
  padding: 12px 16px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 1px 0 rgba(0,0,0,0.05);
}

.navbar .nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin: 0 auto;
}

/* Theme toggle button */
.theme-toggle {
  background: transparent;
  border: 2px solid #e5e7eb;
  color: #e5e7eb;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 18px;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
}

.theme-toggle:hover {
  background-color: #374151;
  border-color: #fff;
  color: #fff;
  transform: scale(1.05);
}

.theme-toggle:active {
  transform: scale(0.95);
}

.theme-icon {
  transition: transform 0.3s ease;
}

.theme-toggle:hover .theme-icon {
  transform: rotate(15deg);
}

/* Scroll progress */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 4px;
  background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
  z-index: 9999;
  transition: width 0.1s ease;
  box-shadow: 0 2px 10px rgba(102, 126, 234, 0.5);
}

#progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; background: #2563eb; z-index: 20; box-shadow: 0 0 12px rgba(37,99,235,0.6); }

.menu-toggle {
  display: none;
  position: absolute;
  left: 16px;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
}

/* nav-links styles are now in the navbar section above */

.nav_link {
  color: #e5e7eb;
  text-decoration: none;
  padding: 6px 10px;
  font-size: 15px;
  border-radius: 8px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.nav_link:hover {
  background-color: #374151;
  color: #fff;
}

/* Hero/info */
.infocontainer {
  position: relative;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 24px;
  align-items: center;
  padding: 28px;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  margin-bottom: 24px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.infocontainer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="10" cy="60" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="90" cy="40" r="0.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.3;
  animation: float 20s ease-in-out infinite;
}

.infocontainer::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 80%, rgba(255,255,255,0.1) 0%, transparent 50%),
              radial-gradient(circle at 80% 20%, rgba(255,255,255,0.1) 0%, transparent 50%);
  animation: pulse 4s ease-in-out infinite alternate;
}

@keyframes pulse {
  0% { opacity: 0.3; }
  100% { opacity: 0.6; }
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(180deg); }
}

.infocontainer:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12); }

.name {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  color: #111827;
  margin-bottom: 10px;
  text-shadow: none;
  position: relative;
  z-index: 1;
}

/* Typewriter */
.typewriter { display: flex; align-items: baseline; gap: 6px; min-height: 28px; }
.tw_text { font-size: clamp(16px, 2.6vw, 20px); color: #111827; font-weight: 600; text-shadow: none; }
.tw_cursor { color: #111827; animation: blink 1s step-end infinite; text-shadow: none; }
@keyframes blink { 50% { opacity: 0; } }

.moreabout {
  font-size: clamp(14px, 2.2vw, 18px);
  color: #4b5563;
  margin-bottom: 20px;
  text-shadow: none;
  position: relative;
  z-index: 1;
}

.devpic img {
  border-radius: 12px;
  width: 260px;
  height: 300px;
  object-fit: cover;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

/* Section containers */
.about_container,
.experience_container,
.academics_container,
.project_container,
.certification_container,
.interest_container,
.skill_container,
.socialmedia_container {
  background-color: #fff;
  padding: 28px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
  border-radius: 16px;
  margin-bottom: 28px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about_container:hover,
.experience_container:hover,
.academics_container:hover,
.project_container:hover,
.certification_container:hover,
.skill_container:hover,
.interest_container:hover,
.socialmedia_container:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12);
}

.about_container h2,
.experience_container h2,
.academics_container h2,
.project_container h2,
.certification_container h2,
.skill_container h2,
.interest_container h2,
.socialmedia_container h2 {
  font-size: 24px;
  font-weight: 700;
  color: #111827;
  margin-bottom: 20px;
}

.experience_role { font-size: 18px; color: #111827; margin-bottom: 4px; font-weight: 600; }
.experience_duration { font-size: 14px; color: #6b7280; margin-bottom: 12px; font-style: italic; }

.skill_list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.skill_list_item {
  margin-bottom: 8px;
  color: #4b5563;
  line-height: 1.6;
  padding-left: 20px;
  position: relative;
}

.skill_list_item::before {
  content: '▸';
  color: #2563eb;
  position: absolute;
  left: 0;
  font-weight: bold;
}

.skill_list_item:last-child {
  margin-bottom: 0;
}

.academicdetails { margin-bottom: 20px; }
.college { font-size: 20px; color: #111827; }

.cer_name, .cer_comp, .college, .course, .courseyr { margin-bottom: 10px; }

/* Additional light theme text colors */
.course, .courseyr, .cer_comp {
  color: #6b7280;
}

.cer_name {
  color: #111827;
}

/* Grids */
.box-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.academics_container > .box-grid,
.certification_container > .box-grid,
.project_container > .box-grid,
.skill_container > .box-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.socialmedia_container > .box-grid {
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

/* Cards */
.box {
  background-color: #fff;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  border: 1px solid rgba(17,24,39,0.04);
}

.box:hover { 
  transform: translateY(-4px) scale(1.02); 
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  border-color: rgba(102, 126, 234, 0.3);
}

.box {
  position: relative;
  overflow: hidden;
}

.box::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
  transition: left 0.5s ease;
}

.box:hover::before {
  left: 100%;
}

.box h3 { font-size: 20px; margin-bottom: 10px; color: #111827; }
.box p  { font-size: 15px; color: #4b5563; }

/* Wave dividers */
.wave-divider { width: 100%; height: 48px; display: block; }

/* Projects */
#project_section { margin-bottom: 30px; }

.projectdetails { margin-bottom: 20px; }
.projectdetails .buttons { display: flex; gap: 10px; flex-wrap: wrap; }

.project_title {
  font-size: 20px;
  font-weight: 600;
  color: #111827;
  margin-bottom: 8px;
  cursor: pointer;
}

.project_description {
  font-size: 15px;
  color: #4b5563;
  margin-bottom: 8px;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.technologies_used {
  font-size: 13px;
  color: #6b7280;
  margin-bottom: 8px;
}

.project_link a {
  background-color: #2563eb;
  color: #fff;
  border: none;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 14px;
  text-decoration: none;
}

.project_link a:hover { background-color: #1d4ed8; }

/* Timelines */
.timeline {
  position: relative;
  display: grid;
  gap: 16px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(17, 24, 39, 0.08);
}
.timeline_item {
  position: relative;
  padding-left: 40px;
}
.timeline_item::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 20px;
  width: 16px;
  height: 16px;
  background: #2563eb;
  border: 3px solid #fff;
  border-radius: 9999px;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
  transition: all 0.3s ease;
}

.timeline_item:hover::before {
  background: #1d4ed8;
  transform: scale(1.3);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.4);
}

/* Projects grid and tech pills */
.projects_grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}
.tech_pills { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 6px 0 8px; }
.pill.tech { background: #ecfeff; color: #164e63; border: 1px solid #a5f3fc; }

/* Buttons */
.btn {
  background-color: #2563eb;
  color: #fff;
  border: none;
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 14px;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.1s ease;
}

.btn:hover { background-color: #1d4ed8; }
.btn:active { transform: translateY(1px); }

/* Social */
.socialmedia_items { margin-right: 15px; }
.socialmedia_items img { transition: transform 0.3s ease; }
.socialmedia_items:hover img { transform: scale(1.12); }

/* Skills */
.skill_category_section { margin-top: -50px; display: flex; justify-content: space-between; }
.skill_category { flex: 1; margin-right: 10px; }
.skill_category:last-child { margin-right: 0; }
.skill_list { list-style: none; padding: 0; }
.skill_list_item { 
  margin-bottom: 5px; 
  color: #4b5563;
}

/* New skills layout */
.skills_grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.skill_card h4 {
  font-size: 16px;
  font-weight: 600;
  color: #111827;
  margin-bottom: 10px;
}

.skill_pills {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
}

.pill {
  background: #eef2ff;
  color: #1e3a8a;
  border: 1px solid #c7d2fe;
  padding: 6px 10px;
  border-radius: 9999px;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.skill_icon {
  font-size: 14px;
  margin-right: 2px;
}

/* Skill Progress Bars */
.skill_progress {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.skill_item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.skill_name {
  min-width: 80px;
  font-size: 14px;
  font-weight: 500;
  color: #374151;
}

.progress_bar {
  flex: 1;
  height: 8px;
  background: #e5e7eb;
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.progress_fill {
  height: 100%;
  background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
  border-radius: 4px;
  transition: width 1.5s ease-in-out;
  position: relative;
}

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

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

.skill_percentage {
  min-width: 35px;
  font-size: 12px;
  font-weight: 600;
  color: #6b7280;
  text-align: right;
}

/* Contact form */
.contact_form_container {
  background-color: #fff;
  padding: 28px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
  border-radius: 16px;
  margin-bottom: 28px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact_form_container:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12);
}

.contact_intro {
  color: #6b7280;
  margin-bottom: 24px;
  font-size: 16px;
  line-height: 1.6;
}

.contact_form { 
  display: grid; 
  gap: 20px; 
}

.contact_form .form_row { 
  display: grid; 
  grid-template-columns: 1fr 1fr; 
  gap: 20px; 
}

.form_group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form_group label {
  font-weight: 500;
  color: #374151;
  font-size: 14px;
}

.contact_form input, 
.contact_form textarea { 
  padding: 12px 16px; 
  border: 2px solid #e5e7eb; 
  border-radius: 8px; 
  font-family: inherit; 
  font-size: 14px; 
  outline: none; 
  transition: all 0.3s ease;
  background: #f9fafb;
}

.contact_form input:focus, 
.contact_form textarea:focus { 
  border-color: #667eea; 
  background: #fff;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.submit_btn {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 14px 28px;
  font-size: 16px;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  color: #fff;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.submit_btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.submit_btn:active {
  transform: translateY(0);
}

.form_note { color: #6b7280; }

/* Modal */
.modal { position: fixed; inset: 0; background: rgba(0,0,0,0.5); display: none; align-items: center; justify-content: center; padding: 16px; z-index: 30; }
.modal.open { display: flex; }
.modal_content { width: min(900px, 96vw); height: min(80vh, 800px); background: #fff; border-radius: 12px; box-shadow: 0 20px 60px rgba(0,0,0,0.25); padding: 16px; display: grid; grid-template-rows: auto 1fr; gap: 10px; }
.modal_content iframe { width: 100%; height: 100%; border: none; border-radius: 8px; }
.modal_close { background: transparent; border: none; font-size: 24px; line-height: 1; cursor: pointer; justify-self: end; }

/* Project thumbnails */
.project_thumb { width: 100%; height: 160px; object-fit: cover; border-radius: 10px; margin-bottom: 10px; }

/* Animations */
.hidden { 
  opacity: 0; 
  transform: translateY(30px); 
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1); 
}

.visible { 
  opacity: 1; 
  transform: translateY(0); 
}

/* Enhanced animations for different elements */
.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.fade-in-left.visible,
.fade-in-right.visible,
.fade-in-up.visible {
  opacity: 1;
  transform: translate(0);
}

/* Stagger animation for cards */
.stagger-item {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.stagger-item.visible {
  opacity: 1;
  transform: translateY(0);
}

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

/* Active nav highlighting */
.nav_link.active { background-color: #1f2937; color: #fff; }

/* Center main content */
.main2 { width: 100%; max-width: none; margin: 0; display: grid; gap: 24px; }

/* Footer */
.footer { text-align: center; color: #6b7280; padding: 24px 0; }
.footer a { color: #2563eb; text-decoration: none; }
.footer a:hover { text-decoration: underline; }

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
  z-index: 1000;
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.back-to-top.show {
  display: flex;
}

.back-to-top::before {
  content: '↑';
  font-weight: bold;
}

/* Responsive */
@media (max-width: 768px) {
  .main { margin: 80px 12px; }
  .navbar { 
    justify-content: space-between; 
    padding: 12px 16px;
  }
  .menu-toggle { display: block; }
  .navbar .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: #111827;
    padding: 10px 16px 14px 16px;
    border-bottom-left-radius: 12px;
    border-bottom-right-radius: 12px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    flex-direction: column;
    gap: 8px;
    margin: 0;
  }
  .nav-links.open { display: flex; }
  
  .theme-toggle {
    min-width: 40px;
    min-height: 40px;
    padding: 6px 10px;
    font-size: 16px;
  }

  .infocontainer { grid-template-columns: 1fr; text-align: center; padding: 20px; }
  .devpic img { width: 180px; height: 200px; margin: 0 auto; }
  .devinfo { order: 2; }
  .devpic { order: 1; }

  .about_container,
  .academics_container,
  .project_container,
  .certification_container,
  .interest_container,
  .skill_container,
  .socialmedia_container {
    padding: 16px;
  }

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

  /* Collapse project details on small screens by default */
  .project_description { max-height: 0; }
  
  /* Responsive timeline adjustments */
  .timeline_item {
    padding-left: 32px;
  }
  
  .timeline_item::before {
    left: 6px;
    width: 12px;
    height: 12px;
  }
  
  .skill_list_item {
    padding-left: 16px;
    font-size: 14px;
  }

  .contact_form .form_row { grid-template-columns: 1fr; }
  
  /* Mobile optimizations for new features */
  .skill_progress {
    gap: 12px;
  }
  
  .skill_item {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  
  .skill_name {
    min-width: auto;
  }
  
  .progress_bar {
    width: 100%;
  }
  
  .skill_percentage {
    min-width: auto;
    text-align: left;
  }
  
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
    font-size: 18px;
  }
}

@media (min-width: 1024px) {
  .main { margin: 110px 60px 110px 60px; }
  
  /* Enhanced grid layouts for larger screens */
  .skills_grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
  
  .about_sections {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  }
  
  .timeline {
    max-width: 800px;
    margin: 0 auto;
  }
}

@media (min-width: 1200px) {
  .main { margin: 120px 80px 120px 80px; }
  
  .infocontainer {
    grid-template-columns: 0.7fr 1.3fr;
    gap: 32px;
    padding: 32px;
  }
  
  .about_sections {
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  }
}

/* Dark theme */
.dark body { background: #0b1220; color: #fff; }
.dark .navbar { background: #0f172a; }
.dark .nav_link { color: #cbd5e1; }
.dark .nav_link.active, .dark .nav_link:hover { background: #1f2937; color: #fff; }

.dark .theme-toggle {
  border-color: #cbd5e1;
  color: #cbd5e1;
}

.dark .theme-toggle:hover {
  background-color: #1f2937;
  border-color: #fff;
  color: #fff;
}
.dark .infocontainer { 
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  box-shadow: 0 10px 20px rgba(0,0,0,0.4);
}

.dark .infocontainer::before {
  opacity: 0.3;
}

.dark .infocontainer::after {
  opacity: 0.6;
}
.dark .about_container,
.dark .experience_container,
.dark .academics_container,
.dark .project_container,
.dark .certification_container,
.dark .interest_container,
.dark .skill_container,
.dark .socialmedia_container { background: #0f172a; box-shadow: 0 10px 20px rgba(0,0,0,0.4); }
.dark .box { background: #0f172a; border-color: rgba(148,163,184,0.15); }
.dark .name { 
  color: #fff; 
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}
.dark .tw_text, .dark .tw_cursor { 
  color: #fff; 
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}
.dark .moreabout { 
  color: #fff; 
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}
.dark .pill { background: rgba(59,130,246,0.1); color: #93c5fd; border-color: rgba(147,197,253,0.3); }

.dark .skill_icon {
  opacity: 0.9;
}
.dark .project_thumb { opacity: 0.95; }
.dark #progress { background: #60a5fa; box-shadow: 0 0 12px rgba(96,165,250,0.6); }

/* Dark theme timeline ball hover */
.dark .timeline_item::before {
  background: #60a5fa;
  border-color: #0f172a;
  box-shadow: 0 0 0 2px rgba(96, 165, 250, 0.3);
}

.dark .timeline_item:hover::before {
  background: #3b82f6;
  transform: scale(1.3);
  box-shadow: 0 0 0 4px rgba(96, 165, 250, 0.5);
}

/* Additional dark theme text colors */
.dark .experience_role,
.dark .college,
.dark .cer_name,
.dark .project_title,
.dark .skill_card h4,
.dark .interest_container h3 {
  color: #fff;
}

.dark .skill_list_item {
  color: #cbd5e1;
}

.dark .skill_list_item::before {
  color: #60a5fa;
}

.dark .experience_duration,
.dark .course,
.dark .courseyr,
.dark .cer_comp,
.dark .project_description,
.dark .skill_card p,
.dark .interest_container p {
  color: #fff;
}



/* Dark theme skill progress bars */
.dark .skill_name {
  color: #e5e7eb;
}

.dark .progress_bar {
  background: #374151;
}

.dark .skill_percentage {
  color: #cbd5e1;
}

/* Dark theme contact form */
.dark .contact_form_container {
  background: #0f172a;
  box-shadow: 0 10px 20px rgba(0,0,0,0.4);
}

.dark .contact_intro {
  color: #cbd5e1;
}

.dark .form_group label {
  color: #e5e7eb;
}

.dark .contact_form input,
.dark .contact_form textarea {
  background: #1f2937;
  border-color: #374151;
  color: #e5e7eb;
}

.dark .contact_form input:focus,
.dark .contact_form textarea:focus {
  background: #374151;
  border-color: #667eea;
}

/* About section new structure */
.about_content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.about_intro {
  text-align: center;
  margin-bottom: 20px;
}

.about_intro h3 {
  font-size: 28px;
  font-weight: 700;
  color: #111827;
  margin-bottom: 12px;
}

.about_intro p {
  font-size: 18px;
  color: #6b7280;
  line-height: 1.6;
}

.about_sections {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.about_section_item {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: #f9fafb;
  border-radius: 12px;
  border: 1px solid #e5e7eb;
  transition: all 0.3s ease;
}

.about_section_item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
  border-color: #667eea;
}

.about_icon {
  font-size: 32px;
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 12px;
  color: white;
}

.about_text h4 {
  font-size: 18px;
  font-weight: 600;
  color: #111827;
  margin-bottom: 12px;
}

.about_text p {
  font-size: 15px;
  color: #6b7280;
  line-height: 1.6;
  margin-bottom: 0;
}

.about_text ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.about_text li {
  font-size: 14px;
  color: #6b7280;
  line-height: 1.6;
  margin-bottom: 8px;
  padding-left: 20px;
  position: relative;
}

.about_text li::before {
  content: '•';
  color: #667eea;
  font-weight: bold;
  position: absolute;
  left: 0;
}

.about_text li:last-child {
  margin-bottom: 0;
}

/* Dark theme for about section */
.dark .about_section_item {
  background: #1f2937;
  border-color: #374151;
}

.dark .about_section_item:hover {
  border-color: #667eea;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

.dark .about_text h4 {
  color: #fff;
}

.dark .about_text p,
.dark .about_text li {
  color: #cbd5e1;
}

.dark .about_text li::before {
  color: #60a5fa;
}

/* Mobile responsive for about section */
@media (max-width: 768px) {
  .about_sections {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .about_section_item {
    padding: 16px;
    gap: 12px;
  }
  
  .about_icon {
    font-size: 24px;
    width: 40px;
    height: 40px;
  }
  
  .about_text h4 {
    font-size: 16px;
  }
  
  .about_text p,
  .about_text li {
    font-size: 14px;
  }
}