/* Custom styles for Dung Tran's portfolio */

.project-card {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(0, 214, 180, 0.3);
  border-radius: 8px;
  padding: 30px;
  margin-bottom: 30px;
  transition: all 0.3s ease;
}

.project-card:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--aqua);
  transform: translateY(-5px);
}

.project-card h3 {
  color: var(--aqua);
  margin-bottom: 15px;
}

.project-card p {
  margin-bottom: 20px;
  color: #ccc;
}

.project-links {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.project-links .button {
  font-size: 12px;
  padding: 8px 16px;
}

.tech-tag {
  background-color: rgba(0, 214, 180, 0.2);
  color: var(--aqua);
  padding: 4px 12px;
  border-radius: 15px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: 1px solid rgba(0, 214, 180, 0.3);
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.expertise-card {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(0, 214, 180, 0.2);
  border-radius: 8px;
  padding: 25px;
  text-align: center;
  transition: all 0.3s ease;
}

.expertise-card:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--aqua);
  transform: translateY(-3px);
}

.expertise-card h4 {
  color: var(--aqua);
  margin-bottom: 15px;
  font-size: 18px;
}

.expertise-card p {
  color: #ccc;
  font-size: 14px;
  line-height: 1.5;
}

.skills {
  margin-top: 30px;
}

.skill-category {
  margin-bottom: 40px;
}

.skill-category h4 {
  color: var(--aqua);
  margin-bottom: 20px;
  font-size: 18px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.skill-tags li {
  background-color: var(--aqua);
  color: var(--black);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
}

.skill-tags li:hover {
  background-color: #fff;
  transform: scale(1.05);
}

.social-links h3 {
  color: var(--aqua);
  margin-bottom: 20px;
}

.social-links .button {
  margin: 0 10px;
  font-size: 12px;
  padding: 10px 20px;
}

.about-content {
  display: flex;
  gap: 40px;
  align-items: flex-start;
  margin-top: 40px;
}

.about-content .profile-pic {
  flex-shrink: 0;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--aqua);
}

.about-content .about-me {
  flex: 1;
}

.about-me h3 {
  color: var(--aqua);
  margin-bottom: 20px;
  font-size: 24px;
}

.about-me h4 {
  color: var(--aqua);
  margin: 25px 0 15px 0;
  font-size: 18px;
}

.about-me ul {
  color: #ccc;
  line-height: 1.8;
  margin-left: 20px;
}

.about-me li {
  margin-bottom: 8px;
}

.experience-timeline {
  margin-top: 40px;
}

.experience-item {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(0, 214, 180, 0.2);
  border-radius: 8px;
  padding: 30px;
  margin-bottom: 30px;
  transition: all 0.3s ease;
}

.experience-item:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--aqua);
}

.experience-header {
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid rgba(0, 214, 180, 0.3);
}

.experience-header h4 {
  color: var(--aqua);
  font-size: 20px;
  margin-bottom: 8px;
}

.company {
  color: #fff;
  font-weight: 600;
  display: block;
  margin-bottom: 5px;
}

.duration {
  color: #999;
  font-size: 14px;
  font-style: italic;
}

.experience-content ul {
  color: #ccc;
  line-height: 1.8;
  margin: 15px 0;
  margin-left: 20px;
}

.experience-content li {
  margin-bottom: 8px;
}

.experience-content p {
  color: #ccc;
  margin-bottom: 15px;
}

.experience-content strong {
  color: var(--aqua);
}

.education-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.education-item {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(0, 214, 180, 0.2);
  border-radius: 8px;
  padding: 25px;
  text-align: center;
  transition: all 0.3s ease;
}

.education-item:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--aqua);
}

.education-item h4 {
  color: var(--aqua);
  margin-bottom: 10px;
  font-size: 18px;
}

.education-item p {
  color: #ccc;
  font-size: 14px;
}

.contact-info-section {
  margin-bottom: 50px;
  text-align: center;
}

.contact-info-section h3 {
  color: var(--aqua);
  margin-bottom: 30px;
  font-size: 24px;
}

.contact-details {
  display: inline-block;
  text-align: left;
}

.contact-item {
  margin-bottom: 15px;
  color: #ccc;
  font-size: 16px;
  line-height: 1.6;
}

.contact-item strong {
  color: var(--aqua);
  margin-right: 10px;
}

.contact-item a {
  color: var(--aqua);
  text-decoration: none;
  transition: color 0.3s ease;
}

.contact-item a:hover {
  color: #fff;
}

/* Responsive adjustments */
@media screen and (max-width: 767px) {
  .project-card {
    padding: 20px;
  }
  
  .project-links {
    flex-direction: column;
  }
  
  .skill-tags {
    justify-content: center;
  }
  
  .social-links .button {
    display: block;
    margin: 10px auto;
    width: fit-content;
  }
  
  .about-content {
    flex-direction: column;
    text-align: center;
  }
  
  .about-content .profile-pic {
    width: 150px;
    height: 150px;
    margin: 0 auto 30px;
  }
  
  .expertise-grid {
    grid-template-columns: 1fr;
  }
  
  .education-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-details {
    text-align: center;
  }
}

/* Enhanced button styles */
.button {
  position: relative;
  overflow: hidden;
}

.button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

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

/* Section spacing */
.section {
  padding: 80px 0;
}

.section:first-of-type {
  padding-top: 60px;
}

/* Enhanced typography */
.main-heading {
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.subtitle {
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* About Page Enhancements */
.about-page-styles .main-heading,
.about-page-styles .section-title {
    color: var(--aqua);
}

.about-page-styles .section-title {
    border-bottom: 2px solid var(--dark-turquoise);
    padding-bottom: 15px;
    margin-bottom: 50px;
    display: inline-block;
}

/* Project cards layout for projects.html */
.project-list {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
  margin-top: 2rem;
}

.project-card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.07);
  padding: 2rem 1.5rem;
  max-width: 340px;
  min-width: 260px;
  flex: 1 1 300px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: box-shadow 0.2s;
}

.project-card:hover {
  box-shadow: 0 4px 24px rgba(0,0,0,0.13);
}

.project-card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.3rem;
  color: #1a237e;
}

.project-card p {
  margin-bottom: 1rem;
  color: #333;
}

.project-links {
  margin-top: auto;
}

.tech-tag {
  display: inline-block;
  background: #e3e7fd;
  color: #3949ab;
  border-radius: 6px;
  padding: 0.2em 0.7em;
  font-size: 0.9em;
  margin-right: 0.5em;
  margin-bottom: 0.3em;
}