/* Modern CSS Reset and Variables */
:root {
  --primary-color: #2563eb;
  --secondary-color: #3b82f6;
  --accent-color: #60a5fa;
  --text-primary: #ffffff;
  --text-secondary: #e5e7eb;
  --background-primary: #111827;
  --background-secondary: #1f2937;
  --border-color: #374151;
  --card-background: #1f2937;
  --success-color: #10b981;
  --card-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --transition-base: all 0.3s ease;
  --hover-shadow: 0 12px 20px rgba(0, 0, 0, 0.15);
  --section-padding: 5rem 2rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --max-width: 1200px;
  --hover-bg: #f7f7f7;
  --primary-color-dark: #1d4ed8;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', 'Source Sans Pro', system-ui, -apple-system, sans-serif;
  color: var(--text-primary);
  line-height: 1.7;
  background: var(--background-primary);
  padding-top: 4rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Raleway', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

p {
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
  font-size: 1.1rem;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition-base);
}

a:hover {
  color: var(--accent-color);
}

/* Header and Navigation */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(18, 18, 18, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 1000;
  transition: all 0.3s ease;
  padding: 1rem 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
}

.site-title {
  margin: 0;
  font-size: 2rem;
  font-weight: 900;
  color: #fff;
  text-decoration: none;
  transition: color 0.3s ease;
}

.site-title a {
  color: #fff;
  text-decoration: none;
  transition: color 0.3s ease;
}

.site-title a:hover {
  color: #64ffda;
}

nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  color: #ccd6f6;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: #64ffda;
  transition: width 0.3s ease;
}

.nav-link:hover {
  color: #64ffda;
}

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

.social-links {
  display: flex;
  gap: 1.5rem;
  margin-left: 2rem;
}

.social-link {
  color: #ccd6f6;
  font-size: 1.2rem;
  transition: all 0.3s ease;
}

.social-link:hover {
  color: #64ffda;
  transform: translateY(-2px);
}

.mobile-menu {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 100;
}

.mobile-menu span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: #fff;
  margin: 5px 0;
  transition: all 0.3s ease;
}

@media (max-width: 768px) {
  .header-content {
    padding: 1rem 1.5rem;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(18, 18, 18, 0.95);
    flex-direction: column;
    align-items: center;
    padding: 2rem 0;
    gap: 1.5rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }

  .nav-links.active {
    display: flex;
    animation: slideDown 0.3s ease forwards;
  }

  .nav-link {
    color: #ccd6f6;
  }

  .nav-link:hover {
    color: #64ffda;
  }

  .social-links {
    margin-top: 1rem;
    justify-content: center;
  }

  .mobile-menu {
    display: block;
  }

  .mobile-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .mobile-menu.active span:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
}

.menu .menu-items.active {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: #333333;
  width: 100%;
  position: absolute;
  top: 60px;
  left: 0;
  z-index: 1;
}

.menu .menu-items.active a,
.menu .menu-items.active div {
  color: rgba(255, 255, 255, 0.8);
  padding: 10px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.5);
  width: 100%;
  text-align: center;
}

/* Main Content */
.main-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 4rem 2rem;
}

/* Profile Section */
.profile {
  display: flex;
  gap: 4rem;
  align-items: center;
  margin-bottom: 4rem;
  padding: 3rem;
  background: rgba(31, 41, 55, 0.7);
  backdrop-filter: blur(10px);
  border-radius: 1rem;
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

.profile-image {
  width: 280px;
  height: 280px;
  border-radius: 1rem;
  object-fit: cover;
  box-shadow: var(--card-shadow);
  transition: var(--transition-base);
}

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

.profile-info {
  flex: 1;
}

.profile-name {
  color: #ffffff;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-transform: none;
}

.profile-info h1 {
  color: #ffffff;
  margin-bottom: 1.5rem;
}

.profile-info p {
  font-size: 1.2rem;
  line-height: 1.8;
}

#bio-text {
  border-right: 0.1em solid #666;
  animation: blink-caret 0.75s step-end infinite;
  white-space: pre-wrap;
  line-height: 1.5;
}

@keyframes blink-caret {
  from, to { border-color: transparent }
  50% { border-color: #666 }
}

/* Section Styles */
.section {
  margin-bottom: 4rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeIn 0.8s ease-out forwards;
}

.section-title {
  font-size: 2rem;
  margin-bottom: 2rem;
  text-align: center;
  position: relative;
  background: linear-gradient(45deg, #2563eb, #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: -0.5rem;
  width: 50px;
  height: 3px;
  background-color: var(--primary-color);
}

/* Grid Layout */
.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

@media (min-width: 768px) {
  .content-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.content-card {
  background: rgba(31, 41, 55, 0.7) !important;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
  border-radius: 15px;
  padding: 1.5rem 2rem;
  box-shadow: var(--card-shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  height: 250px;
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.17, 0.55, 0.55, 1);
}

.content-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 32px 0 rgba(37, 99, 235, 0.37);
  border: 1px solid rgba(37, 99, 235, 0.3);
}

.content-card h3 {
  color: var(--text-primary);
  font-size: 1.4rem;
  margin: 0 0 1rem 0;
  line-height: 1.4;
}

.card-info {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.card-info p {
  margin: 0;
  line-height: 1.5;
  font-size: 1.4rem !important;
  color: var(--text-secondary);
}

.card-primary {
  font-size: 1.4rem !important;
  font-weight: 500;
  margin-bottom: 0.25rem;
  color: var(--text-secondary);
}

.card-secondary {
  font-size: 1.3rem !important;
  margin-top: 0.25rem;
  color: var(--text-secondary);
}

.card-highlight {
  color: var(--primary-color);
  font-weight: 600;
}

.card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.card-overlay span {
  color: white;
  font-size: 1.2rem;
  font-weight: 500;
  background: var(--primary-color);
  padding: 0.8rem 1.5rem;
  border-radius: 25px;
  transition: transform 0.2s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.card-overlay span:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Skills Grid */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

@media (min-width: 768px) {
  .skills-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Projects Grid */
#projects {
  padding: var(--section-padding);
  background: var(--background-primary);
}

#projects .content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

#projects .content-card {
  background: var(--card-background);
  border-radius: 15px;
  padding: 1.5rem 2rem;
  box-shadow: var(--card-shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  height: 250px;
  display: flex;
  flex-direction: column;
}

#projects .content-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--hover-shadow);
}

#projects .content-card h3 {
  color: var(--text-primary);
  font-size: 1.4rem;
  margin: 0 0 1rem 0;
  line-height: 1.4;
}

/* Popup Styles */
.popup-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
}

.popup-overlay.active {
  opacity: 1;
}

.popup {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.7);
  z-index: 1001;
  width: 98%;
  max-width: 1400px;
  max-height: 98vh;
  overflow-y: auto;
  opacity: 0;
  transition: all 0.3s ease-in-out;
}

.popup.active {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.popup-content {
  background: rgba(17, 24, 39, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1.25rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  position: relative;
  overflow: hidden;
  padding: 2.5rem;
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.3s ease-in-out;
  color: var(--text-primary);
}

.popup.active .popup-content {
  transform: translateY(0);
  opacity: 1;
}

.popup-header {
  margin: -2.5rem -2.5rem 2rem -2.5rem;
  padding: 2.5rem;
  background: var(--background-secondary);
  border-bottom: 1px solid var(--border-color);
}

.popup-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2rem;
}

.popup-body .cert-details p {
  font-size: 1.2rem;
  color: #ffffff;
  margin: 0;
  line-height: 1.5;
}

.popup-body .cert-details h4 {
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  color: #ffffff;
  font-size: 1.3rem;
}

.popup-body .project-duration,
.popup-body .project-association {
  font-size: 1.2rem;
  color: #ffffff;
  margin: 0;
  line-height: 1.5;
}

.popup-body .project-links {
  margin-top: 1rem;
}

.popup-body .skills-list {
  margin-top: 0.5rem;
}

.close-popup {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--transition-base);
}

.close-popup:hover {
  background: rgba(0, 0, 0, 0.1);
  color: var(--text-primary);
}

.popup h3 {
  font-size: 1.75rem;
  color: var(--primary-color);
  padding: 1.5rem 2rem;
  margin: 0;
  border-bottom: 1px solid var(--border-color);
}

.popup-content h3,
.popup-content h4 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.popup-content p {
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.popup-body {
  padding: 2rem 3rem;
  display: grid;
  grid-template-columns: 350px 1fr;
  gap: 3rem;
}

.cert-logo {
  width: 100%;
  height: 250px;
  object-fit: contain;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: transform 0.3s ease;
  display: block;
}

.cert-logo:hover {
  transform: scale(1.02);
}

.cert-details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.cert-highlight {
  font-size: 1.2rem;
  color: var(--primary-color);
  font-weight: 600;
  line-height: 1.4;
  margin: 0;
}

.cert-details h4 {
  font-size: 1.1rem;
  color: var(--primary-color);
  margin: 0;
}

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

.cert-details li {
  padding-left: 1.5rem;
  position: relative;
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
}

.cert-details li::before {
  content: '';
  position: absolute;
  left: 0;
  color: var(--primary-color);
}

.cert-footer {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

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

.cert-verify {
  display: inline-block;
  background: var(--primary-color);
  color: white;
  padding: 0.8rem 1.5rem;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 500;
  margin-top: 1rem;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.cert-verify:hover {
  background: var(--primary-color-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.view-project {
  display: inline-block;
  background: var(--primary-color);
  color: white;
  padding: 0.8rem 1.5rem;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 500;
  margin-top: 1rem;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.view-project:hover {
  background: var(--primary-color-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.popup-content a,
.popup-content button:not(.close-popup) {
  display: inline-block;
  background: var(--primary-color);
  color: white;
  padding: 0.8rem 1.5rem;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.popup-content a:hover,
.popup-content button:not(.close-popup):hover {
  background: var(--primary-color-dark);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(37, 99, 235, 0.2);
  color: white;
}

/* Skills List in Popup */
.skills-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin: 0.5rem 0 1.5rem;
}

.skills-list li {
  background: var(--background-secondary);
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  transition: var(--transition-base);
  display: flex;
  align-items: center;
  line-height: 1.3;
}

.skills-list li:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  border-color: var(--primary-color);
  background: var(--primary-color);
  color: white;
}

.skills-list li::before {
  display: none;
}

.cert-details h4 {
  margin-top: 1.5rem;
  color: var(--primary-color);
  font-size: 1.2rem;
}

.cert-details h4:first-child {
  margin-top: 0;
}

.cert-details p {
  margin-bottom: 1rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.cert-details a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

.cert-details a:hover {
  color: var(--primary-color-dark);
  text-decoration: underline;
}

/* Endorsement Section */
.endorsement-section {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 4rem;
  padding: 1rem;
  background-color: var(--background-secondary);
  border-radius: 8px;
}

.ace-logo {
  width: 60px;
  height: auto;
  object-fit: contain;
}

.endorsement-text {
  flex: 1;
}

.endorsement-text p {
  margin: 0;
  line-height: 1.4;
  color: var(--text-primary);
}

/* ACE Endorsement Section */
.ace-endorsement {
  background: var(--background-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 1rem;
  margin: 1rem 0;
}

.ace-header {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 0.8rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--border-color);
}

.ace-logo {
  width: 30px;
  height: auto;
  object-fit: contain;
}

.ace-header h4 {
  margin: 0;
  font-size: 1.3rem;
  color: var(--text-primary);
  font-weight: 600;
}

.ace-endorsement p {
  font-size: 1.2rem;
  line-height: 1.4;
  color: var(--text-primary);
  margin: 0;
}

.ace-endorsement a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
}

.ace-endorsement a:hover {
  color: var(--primary-color-dark);
  text-decoration: underline;
}

@media (max-width: 768px) {
  .ace-endorsement {
    padding: 0.8rem;
  }

  .ace-header {
    gap: 0.6rem;
    margin-bottom: 0.6rem;
    padding-bottom: 0.6rem;
  }

  .ace-logo {
    width: 25px;
  }

  .ace-header h4 {
    font-size: 1.2rem;
  }
}

/* Contact Section has been removed */
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 2rem;
  border-radius: 1rem;
  text-align: center;
  transition: all 0.3s ease;
}

.contact-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
  border-color: var(--primary-color);
}

.contact-card i {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.contact-card h3 {
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}

.contact-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin: 0;
}

.contact-form {
  background: rgba(31, 41, 55, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 2.5rem;
  border-radius: 1rem;
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

.input-container {
  position: relative;
  margin-bottom: 1.5rem;
}

.input-container i {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.input-container input,
.input-container textarea {
  width: 100%;
  padding: 1rem 1rem 1rem 3rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.5rem;
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.3s ease;
}

.input-container textarea {
  min-height: 150px;
  resize: vertical;
  padding-top: 1rem;
}

.input-container input:focus,
.input-container textarea:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
  outline: none;
}

.submit-btn {
  width: 100%;
  padding: 1rem;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 0.5rem;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.submit-btn:hover {
  background: var(--primary-color-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.submit-btn:active {
  transform: translateY(0);
}

.submit-btn i {
  font-size: 1.1rem;
}

@media (max-width: 968px) {
  .contact-container {
    grid-template-columns: 1fr;
  }

  .contact-info {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .contact-card {
    flex: 1;
    min-width: 250px;
  }
}

@media (max-width: 768px) {
  #contact {
    padding: 4rem 1rem;
  }

  .contact-info {
    flex-direction: column;
  }

  .contact-card {
    width: 100%;
  }

  .contact-form {
    padding: 1.5rem;
  }
}

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

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  :root {
    --text-primary: #ffffff;
    --text-secondary: #e5e7eb;
  }

  body {
    background: var(--background-primary);
  }

  #header {
    background: rgba(17, 24, 39, 0.95);
  }

  .content-card {
    background-color: var(--card-background) !important;
  }

  .content-card, .project-card {
    background-color: var(--card-background);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .profile {
    flex-direction: column;
    text-align: center;
    padding: 1.5rem;
  }

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

  .section-title {
    text-align: center;
  }

  .nav-links {
    display: none;
  }

  .content-grid,
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .contact-links {
    flex-direction: column;
    align-items: center;
  }
}

/* Print Styles */
@media print {
  #header {
    position: static;
    box-shadow: none;
  }

  .main-content {
    margin-top: 2rem;
  }

  .profile-image,
  .project-card img {
    print-color-adjust: exact;
  }

  .nav-links,
  .contact-links {
    display: none;
  }

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

  .profile-image {
    width: 150px;
    height: 150px;
  }
}

/* Dark mode adjustments */
@media (prefers-color-scheme: dark) {
  .endorsement-section {
    background: rgba(255, 255, 255, 0.05);
  }

  .endorsement-text p {
    color: var(--text-primary);
  }
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .skills-list {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }

  .cert-details h4 {
    font-size: 1.1rem;
    margin-top: 1.25rem;
  }
}

@media (max-width: 1200px) {
  .popup-body {
    grid-template-columns: 300px 1fr;
  }
}

@media (max-width: 1024px) {
  .popup {
    max-width: 95%;
  }

  .popup-body {
    padding: 2rem;
    grid-template-columns: 250px 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .popup-body {
    grid-template-columns: 1fr;
    padding: 1.5rem;
  }

  .cert-logo {
    max-width: 300px;
    margin: 0 auto;
    padding: 0.75rem;
  }
  
  .popup {
    width: 95%;
    max-height: 95vh;
  }
  
  .popup-content {
    padding: 1.5rem;
  }
  
  .popup-header {
    margin: -1.5rem -1.5rem 1.5rem -1.5rem;
    padding: 1.5rem;
  }
}

/* Common card styles */
.content-card, .project-card {
  position: relative;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  background-color: #1f2937;
  border-radius: 1rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.content-card:hover, .project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 20px rgba(0, 0, 0, 0.15);
}

.card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.card-overlay span {
  color: white;
  font-size: 1.1rem;
  font-weight: 500;
  padding: 0.6rem 1.2rem;
  border: 1.5px solid rgba(255, 255, 255, 0.8);
  border-radius: 2rem;
  transform: translateY(20px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(4px);
  background: rgba(255, 255, 255, 0.1);
  letter-spacing: 0.5px;
}

.content-card:hover .card-overlay span,
.project-card:hover .card-overlay span {
  transform: translateY(0);
}

.card-overlay:hover span {
  background: white;
  color: var(--primary-color);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  border-color: white;
}

/* Content transition on hover */
.content-card h3,
.project-card h3,
.certification-info,
.project-info {
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.content-card:hover h3,
.project-card:hover h3 {
  transform: translateY(-5px);
}

.content-card:hover .certification-info,
.project-card:hover .project-info {
  transform: translateY(-5px);
}

/* Make projects section match certifications */
#projects {
  background: var(--background-primary);
  padding: var(--section-padding);
}

#projects .section-title {
  color: var(--text-primary);
  text-align: center;
  margin-bottom: var(--spacing-lg);
  position: relative;
}

#projects .section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: -0.5rem;
  width: 50px;
  height: 3px;
  background-color: var(--primary-color);
}

.project-card h3,
.skill-card h3,
.certification-card h3,
.project-info,
.certification-info,
.project-date,
.project-association,
.project-link a,
.achievement,
.date,
.age,
.cert-details p,
.cert-details h4,
.skills-list li,
.project-duration,
.popup-content h3,
.popup-body p {
  color: var(--text-primary);
}

.project-date,
.project-association,
.project-link a,
.date {
  color: var(--text-secondary);
}

.section-title,
.profile-text h2,
.profile-text p,
.nav-link,
.skills-grid h3,
.skills-grid p,
.popup-header h3,
.endorsement-text p,
.close-popup {
    color: var(--text-primary);
}

.location {
  font-size: 1.2rem;
  color: #ffffff;
  margin: 0;
  line-height: 1.5;
  font-style: italic;
}

.achievement,
.date,
.project-duration,
.project-association,
.project-info p,
.certificate-info p {
    margin: 0;
    line-height: 1.4;
    font-size: 1.4rem !important;
    color: var(--text-secondary);
}

.achievement,
.project-association {
    font-weight: 500;
}

.date,
.project-duration {
    font-size: 1.3rem !important;
}

.popup-buttons {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  justify-content: center;
}

.popup-btn {
  display: inline-block;
  padding: 0.8rem 1.5rem;
  background: var(--primary-color);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.popup-btn:hover {
  background: var(--primary-color-dark);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(37, 99, 235, 0.2);
}

.popup-btn:active {
  transform: translateY(0);
  box-shadow: none;
}

.credential-link {
  display: inline-block;
  background: var(--primary-color);
  color: white !important;
  padding: 0.8rem 1.5rem;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 500;
  margin-top: 1rem;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.credential-link:hover {
  background: var(--primary-color-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  color: white !important;
}



@media screen and (max-width: 768px) {
  .header-content {
    flex-direction: column;
    align-items: center;
  }

  .nav-links {
    flex-direction: column;
    align-items: center;
  }

  .nav-link {
    margin: 10px 0;
  }

  .social-links {
    margin-top: 10px;
  }

  .profile {
    flex-direction: column;
    align-items: center;
  }

  .profile-image {
    width: 150px;
    height: 150px;
  }

  .profile-info {
    text-align: center;
  }

  .content-grid {
    grid-template-columns: 1fr;
  }

  .content-card {
    margin-bottom: 20px;
  }

  .contact-form {
    padding: 20px;
  }

  .form-group {
    flex-direction: column;
    align-items: flex-start;
  }

  .form-group label {
    margin-bottom: 5px;
  }

  .form-group input,
  .form-group textarea {
    width: 100%;
  }

  .submit-btn {
    width: 100%;
    text-align: center;
  }
}

/* Scroll Animations */
.content-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Enhanced Card Hover Effects */
.content-card {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.content-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.content-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        45deg,
        rgba(255, 255, 255, 0.1),
        rgba(255, 255, 255, 0.2)
    );
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.content-card:hover::before {
    transform: translateX(100%);
}

.card-overlay {
    opacity: 0;
    transform: translateY(100%);
    transition: all 0.3s ease;
}

.content-card:hover .card-overlay {
    opacity: 1;
    transform: translateY(0);
}

/* Add a subtle scale effect to images */
.content-card img {
    transition: transform 0.3s ease;
}

.content-card:hover img {
    transform: scale(1.05);
}

/* Add a subtle glow effect on hover */
.content-card:hover {
    box-shadow: 0 0 20px rgba(var(--primary-color-rgb), 0.2);
}

/* Smooth transition for all hover effects */
.content-card * {
    transition: all 0.3s ease;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #111827 0%, #1f2937 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}

.loading-screen.fade-out {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.loading-circle {
    width: 100px;
    height: 100px;
    border: 3px solid transparent;
    border-top: 3px solid var(--primary-color);
    border-right: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    box-shadow: 0 0 15px rgba(37, 99, 235, 0.3);
}

.loading-content h2 {
    color: var(--text-primary);
    font-size: 1.5rem;
    margin-bottom: 20px;
    animation: pulse 1.5s ease-in-out infinite;
}

.loading-bar {
    width: 300px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.loading-progress {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #2563eb, #60a5fa);
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.5);
    transition: width 0.3s ease-out;
}

.loading-status {
    font-size: 0.9rem;
    color: var(--text-secondary);
    opacity: 0.8;
    font-family: monospace;
    margin-top: 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

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

/* Hide content while loading */
body.loading {
    overflow: hidden;
}

body.loading .main-content,
body.loading #header {
    opacity: 0;
}

body.loaded .main-content,
body.loaded #header {
    opacity: 1;
    transition: opacity 0.5s ease-out;
}

/* Particle background */
#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;
    pointer-events: none;
}

/* Animation Keyframes */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll Animation */
.header-scrolled {
    background: rgba(18, 18, 18, 0.95);
    padding: 0.8rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}