/* Portfolio Page Styles */
body {
  min-height: 100vh;
  height: auto;
  padding: 0;
  display: block;
}

.nav-container {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(18, 18, 18, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 40px;
  display: flex;
  justify-content: flex-start;
}

.nav-link {
  color: #1e90ff;
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.nav-link:hover {
  color: #4da6ff;
  transform: translateX(-4px);
}

.portfolio-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 40px 80px;
}

.portfolio-header {
  text-align: center;
  margin-bottom: 60px;
}

.portfolio-header h1 {
  font-size: 48px;
  margin: 0 0 16px;
  background: linear-gradient(135deg, #fff 0%, #1e90ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  font-size: 20px;
  color: #aaa;
  margin: 0;
  font-weight: 300;
}

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

.portfolio-card {
  background: linear-gradient(135deg, #1e1e1e 0%, #252525 100%);
  border-radius: 20px;
  padding: 32px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.portfolio-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #1e90ff, #4da6ff, #1e90ff);
  transform: scaleX(0);
  transition: transform 0.4s ease;
  transform-origin: left;
}

.portfolio-card:hover::before {
  transform: scaleX(1);
}

.portfolio-card:hover {
  transform: translateY(-8px);
  border-color: rgba(30, 144, 255, 0.3);
  box-shadow: 0 20px 40px rgba(30, 144, 255, 0.15),
              0 0 0 1px rgba(30, 144, 255, 0.1);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.card-icon {
  font-size: 40px;
  line-height: 1;
  filter: grayscale(20%);
  transition: transform 0.3s ease;
}

.portfolio-card:hover .card-icon {
  transform: scale(1.1) rotate(5deg);
}

.card-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  padding: 8px;
  transition: all 0.3s ease;
  filter: brightness(0.95);
}

.portfolio-card:hover .card-logo {
  transform: scale(1.1);
  filter: brightness(1.1);
  background: rgba(255, 255, 255, 0.1);
}

.card-header h2 {
  margin: 0;
  font-size: 28px;
  font-weight: 600;
  color: #fff;
}

.card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.role-badge {
  display: inline-block;
  background: linear-gradient(135deg, rgba(30, 144, 255, 0.2) 0%, rgba(77, 166, 255, 0.1) 100%);
  color: #4da6ff;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  border: 1px solid rgba(30, 144, 255, 0.3);
  width: fit-content;
}

.role-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.tag {
  background: rgba(255, 255, 255, 0.1);
  color: #ccc;
  padding: 6px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.card-description {
  color: #bbb;
  line-height: 1.7;
  font-size: 15px;
  margin: 0 0 24px;
  flex: 1;
}

.card-footer {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #1e90ff;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.3s ease;
}

.card-link svg {
  transition: transform 0.3s ease;
}

.card-link:hover {
  color: #4da6ff;
}

.card-link:hover svg {
  transform: translate(4px, -4px);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-container {
    padding: 16px 20px;
  }

  .portfolio-container {
    padding: 40px 20px 60px;
  }

  .portfolio-header h1 {
    font-size: 36px;
  }

  .subtitle {
    font-size: 18px;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 30px;
  }

  .portfolio-card {
    padding: 24px;
  }

  .card-header h2 {
    font-size: 24px;
  }

  .card-icon {
    font-size: 32px;
  }
}

@media (max-width: 480px) {
  .portfolio-header h1 {
    font-size: 28px;
  }

  .subtitle {
    font-size: 16px;
  }

  .portfolio-card {
    padding: 20px;
  }

  .card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .card-header h2 {
    font-size: 22px;
  }

  .card-logo {
    width: 40px;
    height: 40px;
  }
}

/* Smooth scroll behavior */
html {
  scroll-behavior: smooth;
}

/* Focus states for accessibility */
.card-link:focus,
.nav-link:focus {
  outline: 2px solid #1e90ff;
  outline-offset: 4px;
  border-radius: 4px;
}