/* Main CSS */

/* Global theme transition */
body {
  transition: background-color 0.3s ease, color 0.3s ease;
}

* {
  transition-property: background-color, border-color, color, box-shadow;
  transition-duration: 0.3s;
  transition-timing-function: ease;
}

/* Typography Classes */
.display-large {
  font-size: var(--display-large);
  font-weight: 400;
  line-height: 1.1;
}

.display-medium {
  font-size: var(--display-medium);
  font-weight: 400;
  line-height: 1.1;
}

.display-small {
  font-size: var(--display-small);
  font-weight: 400;
  line-height: 1.1;
}

.headline-large {
  font-size: var(--headline-large);
  font-weight: 500;
  line-height: 1.2;
}

.headline-medium {
  font-size: var(--headline-medium);
  font-weight: 500;
  line-height: 1.2;
  color: var(--md-primary);
  margin-bottom: var(--spacing-lg);
}

.headline-small {
  font-size: var(--headline-small);
  font-weight: 400;
  line-height: 1.2;
}

.title-large {
  font-size: var(--title-large);
  font-weight: 500;
  line-height: 1.2;
  color: var(--md-primary);
  margin-bottom: var(--spacing-md);
}

.title-medium {
  font-size: var(--title-medium);
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: var(--spacing-xs);
}

.title-small {
  font-size: var(--title-small);
  font-weight: 500;
  line-height: 1.2;
}

.body-large {
  font-size: var(--body-large);
  font-weight: 400;
  line-height: 1.5;
  margin-bottom: var(--spacing-md);
}

.body-medium {
  font-size: var(--body-medium);
  font-weight: 400;
  line-height: 1.5;
}

.body-small {
  font-size: var(--body-small);
  font-weight: 400;
  line-height: 1.5;
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-xxl) 0;
}

.two-column {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
}

.column {
  flex: 1;
  min-width: 300px;
}

.main-content {
  margin-left: var(--nav-rail-width);
  padding: var(--spacing-lg);
  min-height: 100vh;
  background-color: var(--md-background);
  color: var(--md-on-background);
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

/* Footer */
footer {
  background-color: var(--md-surface-variant);
  padding: var(--spacing-xxl) 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
}

.social-links a {
  color: var(--md-primary);
  font-size: 24px;
  transition: color 0.3s ease;
}

.social-links a:hover {
  color: var(--md-on-primary-container);
}

.copyright {
  text-align: center;
  margin-top: var(--spacing-xl);
  color: var(--md-on-surface-variant);
}

/* Utilities */
.technologies {
  color: var(--md-outline);
}

.education-item {
  margin-bottom: var(--spacing-md);
}

.button-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
  justify-content: center;
}

/* Navigation highlighting and effects */
.nav-icon {
  -webkit-tap-highlight-color: transparent; /* Remove mobile tap highlight */
}

/* Add active and hover pulse effect for better feedback */
@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

.nav-icon:active .material-symbols-outlined {
  animation: pulse 0.3s ease;
}