/* Navigation */
.navbar {
  position: fixed;
  top: var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  width: min(var(--container-width), calc(100% - var(--spacing-lg)));
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--glass-background);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
}

.nav-links a {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--glass-background);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-normal);
}

.nav-links a:hover,
.nav-links a.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-background);
}

.nav-links a i {
  font-size: 1.6rem;
}

.nav-logo img{
  background: var(--glass-background);
  border: 2px solid var(--glass-border);
  border-radius: var(--radius-full);
  transition: var(--transition-normal);
}

@media (max-width: 768px) {
  .navbar {
    bottom: var(--spacing-md);
    top: auto;
    border-radius: var(--radius-lg);
  }
  
  .nav-links {
    justify-content: space-around;
    width: 100%;
  }
  
  .nav-links a {
    padding: var(--spacing-sm);
    aspect-ratio: 1;
    justify-content: center;
  }
  
  .nav-links .text {
    display: none;
  }

  .nav-logo {
    display: none;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition-normal);
  text-decoration: none;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-background);
}

.btn-glass {
  background: var(--glass-background);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  color: var(--color-text);
}

/* Cards */
.card {
  background: var(--glass-background);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
}

.card-content {
  padding: var(--spacing-lg);
}

/* Project Cards */
.project-card img {
  aspect-ratio: 16/9;
  object-fit: cover;
  width: 100%;
}

/* Blog Cards */
.blog-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  font-size: 1.3rem;
  color: var(--color-text-secondary);
}

.tag {
  padding: 0.3rem 1rem;
  background: var(--color-primary);
  color: var(--color-background);
  border-radius: var(--radius-full);
  font-size: 1.1rem;
  font-weight: 500;
  transition: var(--transition-fast);
}

.tag:hover {
  filter: brightness(1.1);
  transform: scale(1.05);
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 80rem;
  margin: var(--spacing-xxl) auto;
  padding: 0 var(--spacing-lg);
}

.timeline::after {
  content: '';
  position: absolute;
  width: 0.4rem;
  background: var(--color-primary);
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  border-radius: var(--radius-full);
}

.timeline-item {
  position: relative;
  width: calc(50% - var(--spacing-xl));
  margin-bottom: var(--spacing-xl);
}

.timeline-item:nth-child(even) {
  margin-left: auto;
}

.timeline-content {
  position: relative;
  padding: var(--spacing-lg);
}

.timeline-content::after {
  content: '';
  position: absolute;
  width: 2.4rem;
  height: 2.4rem;
  background: var(--color-primary);
  border-radius: 50%;
  top: 50%;
  transform: translateY(-50%);
}

.timeline-item:nth-child(odd) .timeline-content::after {
  right: calc(-1 * (var(--spacing-xl) + 1.2rem));
}

.timeline-item:nth-child(even) .timeline-content::after {
  left: calc(-1 * (var(--spacing-xl) + 1.2rem));
}

.timeline-date {
  font-size: 1.4rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.timeline-title {
  font-size: 1.8rem;
  margin-bottom: var(--spacing-sm);
}

@media (max-width: 768px) {
  .timeline::after {
    left: 3.1rem;
  }

  .timeline-item {
    width: 100%;
    padding-left: var(--spacing-xxl);
  }

  .timeline-item:nth-child(even) {
    margin-left: 0;
  }

    
  .timeline-content::after {
    left: calc(-1 * (var(--spacing-xl) + 1.2rem)) !important;
  }
}

/* Modal */
.modal {
  display: none; 
  position: fixed; 
  z-index: 1000; 
  left: 0;
  top: 0;
  width: 100%; 
  height: 100%; 
  overflow: auto; 
  background-color: rgba(0,0,0,0.6); 
  backdrop-filter: blur(8px);
  /* Flexbox for centering */
  justify-content: center;
  align-items: center;
}

.modal-content {
  background: rgba(10, 10, 10, 0.9); /* Much darker background */
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  width: min(500px, 90%);
  position: relative;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  animation: modalOpen 0.3s ease-out;
  margin: auto; /* Fallback */
}

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

.close-modal {
  color: var(--color-text-secondary);
  float: right;
  font-size: 2.8rem;
  font-weight: bold;
  cursor: pointer;
  line-height: 1;
}

.close-modal:hover,
.close-modal:focus {
  color: var(--color-primary);
  text-decoration: none;
  cursor: pointer;
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: inherit;
  font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background: rgba(255, 255, 255, 0.1);
}

/* Modal Loader */
.loader-spinner {
  width: 48px;
  height: 48px;
  border: 5px solid rgba(255, 255, 255, 0.1);
  border-bottom-color: var(--color-primary);
  border-radius: 50%;
  display: inline-block;
  box-sizing: border-box;
  animation: rotation 1s linear infinite;
  margin-bottom: 1rem;
}

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