:root {
  --primary-color: #00eaff;
  --secondary-color: #ff00a0;
  --bg-color: #0a0a0a;
  --text-color: #ffffff;
  --muted-text: #a0a0a0;
  --border-color: rgba(0, 234, 255, 0.3);
  --card-bg: rgba(20, 20, 20, 0.8);
  --section-bg: rgba(30, 30, 30, 0.85);
  --glow-color: rgba(0, 234, 255, 0.7);
  --timeline-color: var(--primary-color);
}

/* Base styles */
body {
  font-family: "JetBrains Mono", monospace;
  background: linear-gradient(45deg, #000, #111, #000);
  background-size: 400% 400%;
  animation: gradientWave 15s ease infinite;
  margin: 0;
  padding: 0;
  color: var(--text-color);
  line-height: 1.6;
}

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

/* Particles background */
#particles-js {
  position: fixed;
  width: 100%;
  height: 100%;
  z-index: 0;
}

/* Terminal background lines */
.terminal-lines {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%);
  background-size: 100% 4px;
  z-index: 1;
  pointer-events: none;
  opacity: 0.15;
}

/* Back to home button */
.back-home-btn {
  position: fixed;
  top: 20px;
  left: 20px;
  text-decoration: none;
  background: rgba(0, 0, 0, 0.7);
  color: var(--primary-color);
  padding: 10px 15px;
  border: 1px solid var(--primary-color);
  border-radius: 4px;
  font-size: 1rem;
  transition: background 0.3s, color 0.3s, transform 0.2s;
  z-index: 1001;
  backdrop-filter: blur(5px);
}

.back-home-btn:hover {
  background: var(--primary-color);
  color: var(--bg-color);
  transform: translateY(-2px);
}

/* Main container */
.cv-container {
  max-width: 1200px;
  margin: 40px auto;
  padding: 20px;
  position: relative;
  z-index: 2;
}

/* Header section */
.cv-header {
  background: var(--section-bg);
  border-radius: 10px;
  padding: 30px;
  margin-bottom: 30px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  animation: fadeIn 0.8s ease-out;
}

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

.profile {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-bottom: 20px;
}

.profile-avatar {
  flex-shrink: 0;
}

.avatar-placeholder {
  width: 120px;
  height: 120px;
  background: rgba(0, 234, 255, 0.1);
  border: 1px solid var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.profile-details {
  flex-grow: 1;
}

.profile-details h1 {
  margin: 0 0 5px 0;
  font-size: 2.5rem;
  color: var(--primary-color);
}

.profile-details h2 {
  margin: 0 0 5px 0;
  font-size: 1.5rem;
  color: var(--text-color);
}

.university {
  font-size: 1.1rem;
  color: var(--muted-text);
  margin-bottom: 15px;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 15px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--primary-color);
  text-decoration: none;
  transition: all 0.3s ease;
}

.contact-item:hover {
  color: var(--secondary-color);
  transform: translateY(-2px);
}

.contact-item i {
  font-size: 1.2rem;
}

.cv-intro {
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
  margin-top: 20px;
}

.cv-intro p {
  font-size: 1.1rem;
  margin: 0;
  line-height: 1.6;
}

/* Main content layout */
.cv-content {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 30px;
}

/* Sidebar */
.cv-sidebar {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.sidebar-section {
  background: var(--section-bg);
  border-radius: 10px;
  padding: 25px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  animation: fadeIn 0.8s ease-out;
  animation-fill-mode: both;
}

.sidebar-section:nth-child(1) {
  animation-delay: 0.1s;
}
.sidebar-section:nth-child(2) {
  animation-delay: 0.2s;
}
.sidebar-section:nth-child(3) {
  animation-delay: 0.3s;
}
.sidebar-section:nth-child(4) {
  animation-delay: 0.4s;
}

.sidebar-section h3 {
  margin: 0 0 20px 0;
  font-size: 1.3rem;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-section h3 i {
  font-size: 1.2rem;
}

/* Tags list */
.tag-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag-list li {
  background: rgba(0, 234, 255, 0.1);
  padding: 8px 15px;
  border-radius: 20px;
  font-size: 0.9rem;
  border: 1px solid var(--border-color);
}

/* Skills list */
.skills-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.skills-list li {
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
}

.skills-list li:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.skill-name {
  color: var(--text-color);
}

.skill-level {
  color: var(--primary-color);
  font-size: 0.9rem;
}

/* Scholarships */
.scholarship-item {
  margin-bottom: 15px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--border-color);
}

.scholarship-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.scholarship-item h4 {
  margin: 0 0 5px 0;
  font-size: 1rem;
  color: var(--primary-color);
}

.scholarship-item p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted-text);
}

/* Resume download button */
.download-resume {
  display: inline-block;
  background: rgba(0, 234, 255, 0.1);
  color: var(--primary-color);
  text-decoration: none;
  padding: 12px 20px;
  border-radius: 5px;
  font-weight: bold;
  transition: all 0.3s ease;
  text-align: center;
  border: 1px solid var(--primary-color);
}

.download-resume:hover {
  background: var(--primary-color);
  color: var(--bg-color);
  transform: translateY(-3px);
}

.download-resume i {
  margin-right: 8px;
}

/* Main content sections */
.cv-main {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.cv-section {
  background: var(--section-bg);
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  animation: fadeIn 0.8s ease-out;
  animation-fill-mode: both;
}

.cv-section:nth-child(1) {
  animation-delay: 0.5s;
}
.cv-section:nth-child(2) {
  animation-delay: 0.6s;
}

.cv-section h3 {
  margin: 0 0 25px 0;
  font-size: 1.5rem;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--border-color);
}

.cv-section h3 i {
  font-size: 1.3rem;
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 30px;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background: var(--timeline-color);
}

.timeline-item {
  position: relative;
  margin-bottom: 30px;
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.timeline-item.animate {
  opacity: 1;
  transform: translateX(0);
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-marker {
  position: absolute;
  top: 0;
  left: -39px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--timeline-color);
  border: 2px solid var(--bg-color);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 10px;
  flex-wrap: wrap;
  gap: 10px;
}

.timeline-header h4 {
  margin: 0;
  font-size: 1.2rem;
  color: var(--primary-color);
}

.timeline-date {
  font-size: 0.9rem;
  color: var(--muted-text);
  background: rgba(255, 255, 255, 0.05);
  padding: 3px 10px;
  border-radius: 15px;
}

.timeline-content p {
  margin: 0;
  font-size: 1rem;
}

/* Projects grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr) !important;
  gap: 20px;
}

.project-card {
  background: var(--card-bg);
  border-radius: 8px;
  padding: 20px;
  border: 1px solid var(--border-color);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
  opacity: 0;
  width: 100%;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.project-card.animate {
  opacity: 1;
  transform: translateY(0);
}

.project-card:hover {
  transform: translateY(-5px);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.project-header h4 {
  margin: 0;
  font-size: 1.2rem;
  color: var(--primary-color);
}

.project-links {
  display: flex;
  gap: 10px;
}

.project-link {
  color: var(--primary-color);
  font-size: 1.1rem;
  transition: all 0.3s ease;
}

.project-link:hover {
  color: var(--secondary-color);
  transform: translateY(-2px);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.project-tags span {
  background: rgba(0, 234, 255, 0.1);
  color: var(--primary-color);
  font-size: 0.8rem;
  padding: 3px 10px;
  border-radius: 12px;
  border: 1px solid rgba(0, 234, 255, 0.3);
}

.project-card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-color);
}

/* Collapsible project sections */
#featured-projects, #all-projects {
  overflow: hidden;
  transition: max-height 0.6s ease;
}

/* Force two-column grid for project sections */
.projects-grid,
#featured-projects,
#all-projects {
  display: grid;
  grid-template-columns: repeat(2, 1fr) !important;
  gap: 20px;
}

/* Show More card styling: make it a grid item, not flex */
.show-more-card {
  grid-column: 1 / -1;
  background: transparent;
  border: none;
  box-shadow: none;
  padding: 0;
  display: block;
  text-align: center;
}

.show-more-card button {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  border-radius: 4px;
  padding: 8px 16px;
  cursor: pointer;
  font-size: 1rem;
  transition: background 0.3s, color 0.3s;
}

.show-more-card button:hover {
  background: var(--primary-color);
  color: var(--bg-color);
}

/* Collapsible vertical expansion for all-projects */
#all-projects.collapsed {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
#all-projects.expanded {
  max-height: 2000px;
  transition: max-height 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Override hidden all-projects to remove layout space */
#all-projects.collapsed {
  display: none !important;
}
#all-projects.expanded {
  display: grid !important;
  grid-template-columns: repeat(2, 1fr) !important;
}

/* Ensure each project card fills its grid cell */
.project-card {
  width: 100%;
  box-sizing: border-box;
}

/* View More/Less button styling */
.show-more-container {
  text-align: center;
  margin-top: 20px;
}
#toggle-projects {
  background: var(--primary-color) !important;
  color: var(--bg-color) !important;
  border: none !important;
  padding: 10px 20px !important;
  border-radius: 4px !important;
  font-size: 1rem !important;
  cursor: pointer !important;
  transition: background 0.3s, transform 0.2s !important;
  display: inline-block !important;
}
#toggle-projects:hover {
  background: var(--secondary-color) !important;
  transform: translateY(-2px) !important;
}

/* Responsive design */
@media (max-width: 1000px) {
  .cv-content {
    grid-template-columns: 1fr;
  }

  .cv-sidebar {
    order: 2;
  }

  .cv-main {
    order: 1;
  }
}

@media (max-width: 768px) {
  .profile {
    flex-direction: column;
    text-align: center;
  }

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

  .timeline-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .projects-grid {
    grid-template-columns: 1fr !important;
  }

  .cv-header,
  .cv-section,
  .sidebar-section {
    padding: 20px;
  }

  #featured-projects,
  #all-projects {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .profile-details h1 {
    font-size: 2rem;
  }

  .profile-details h2 {
    font-size: 1.3rem;
  }

  .avatar-placeholder {
    width: 100px;
    height: 100px;
    font-size: 2rem;
  }

  .back-home-btn {
    top: 10px;
    left: 10px;
    padding: 8px 12px;
    font-size: 0.9rem;
  }
}