/* ============================================================================
   NAVIGATION
   ============================================================================ */

.navbar {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all var(--transition-base);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--content-padding);
}

.navbar-brand {
  flex: 0 0 auto;
}

.site-logo {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary-text);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.site-logo:hover {
  color: var(--color-accent);
}

.navbar-menu {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
}

.navbar-menu a {
  display: block;
  padding: var(--spacing-sm) 0;
  color: var(--color-primary-text);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
  border-bottom: 2px solid transparent;
}

.navbar-menu a:hover,
.navbar-menu a.current-menu-item {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.navbar-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.toggle-icon {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 24px;
  height: 24px;
}

.toggle-icon span {
  width: 100%;
  height: 2px;
  background-color: var(--color-primary-text);
  transition: all var(--transition-base);
}

@media (max-width: 768px) {
  .navbar-toggle {
    display: block;
  }

  .navbar-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md) var(--content-padding);
  }

  .navbar-menu.active {
    display: flex;
  }

  .navbar-menu a {
    padding: var(--spacing-sm) 0;
    border-bottom: none;
    border-left: 2px solid transparent;
    padding-left: var(--spacing-md);
  }

  .navbar-menu a:hover,
  .navbar-menu a.current-menu-item {
    border-left-color: var(--color-accent);
    border-bottom-color: transparent;
  }
}

/* ============================================================================
   HERO SECTION
   ============================================================================ */

.hero {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-surface);
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.hero-text h1 {
  font-size: var(--text-7xl);
  margin-bottom: var(--spacing-md);
  line-height: 1.1;
}

.hero-tagline {
  font-size: var(--text-lg);
  color: var(--color-secondary-text);
  margin-bottom: var(--spacing-lg);
  max-width: 100%;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.hero-image {
  position: relative;
}

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-2xl);
  display: block;
  box-shadow: var(--shadow-xl);
}

@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
  }

  .hero-text h1 {
    font-size: var(--text-5xl);
  }
}

@media (max-width: 768px) {
  .hero {
    padding: var(--spacing-lg) 0;
  }

  .hero-text h1 {
    font-size: var(--text-4xl);
  }

  .hero-tagline {
    font-size: var(--text-base);
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .button {
    width: 100%;
  }
}

/* ============================================================================
   PROJECT CARDS
   ============================================================================ */

.project-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.project-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

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

.project-card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: var(--spacing-lg);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.project-card h3 {
  margin-bottom: var(--spacing-sm);
  font-size: var(--text-xl);
}

.project-card-description {
  flex: 1;
  margin-bottom: var(--spacing-md);
  color: var(--color-secondary-text);
  font-size: var(--text-sm);
}

.project-card-technologies {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.tech-badge {
  display: inline-block;
  padding: 4px 12px;
  background-color: #f0f0f0;
  border-radius: var(--radius-lg);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-primary-text);
}

.project-card-links {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: auto;
}

.project-card-links a {
  flex: 1;
  padding: var(--spacing-sm);
  text-align: center;
  font-size: var(--text-sm);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-lg);
  color: var(--color-accent);
  transition: all var(--transition-base);
}

.project-card-links a:hover {
  background-color: var(--color-accent);
  color: white;
  text-decoration: none;
}

/* ============================================================================
   TECHNOLOGY CARDS
   ============================================================================ */

.tech-category {
  margin-bottom: var(--spacing-xl);
}

.tech-category h3 {
  margin-bottom: var(--spacing-lg);
  color: var(--color-primary-text);
}

.tech-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-md);
}

.tech-item {
  padding: var(--spacing-md);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition-base);
}

.tech-item:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.tech-item-name {
  font-weight: 600;
  color: var(--color-primary-text);
}

/* ============================================================================
   BLOG CARDS
   ============================================================================ */

.blog-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.blog-card-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

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

.blog-card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: var(--spacing-lg);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.blog-card-meta {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  font-size: var(--text-xs);
  color: var(--color-secondary-text);
}

.blog-card h3 {
  margin-bottom: var(--spacing-md);
  font-size: var(--text-lg);
}

.blog-card-excerpt {
  flex: 1;
  margin-bottom: var(--spacing-md);
  color: var(--color-secondary-text);
  font-size: var(--text-sm);
  line-height: var(--lh-relaxed);
}

.blog-card a.read-more {
  align-self: flex-start;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
}

.blog-card a.read-more:hover {
  text-decoration: underline;
}

/* ============================================================================
   FOOTER
   ============================================================================ */

.site-footer {
  background-color: #1a1a1a;
  color: #ffffff;
  margin-top: var(--spacing-2xl);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-section h3,
.footer-section h4 {
  color: #ffffff;
  margin-bottom: var(--spacing-md);
}

.footer-section p {
  color: #cccccc;
  font-size: var(--text-sm);
}

.footer-section ul {
  list-style: none;
  margin: 0;
}

.footer-section li {
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: #cccccc;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: #999999;
}

@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
}

/* ============================================================================
   BREADCRUMBS
   ============================================================================ */

.breadcrumb {
  margin-bottom: var(--spacing-lg);
  font-size: var(--text-sm);
}

.breadcrumb a {
  color: var(--color-secondary-text);
  text-decoration: none;
}

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

.breadcrumb span {
  color: var(--color-secondary-text);
  margin: 0 var(--spacing-sm);
}

/* ============================================================================
   PAGINATION
   ============================================================================ */

.pagination {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin: var(--spacing-xl) 0;
  flex-wrap: wrap;
}

.pagination a,
.pagination .page-numbers {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--color-primary-text);
  transition: all var(--transition-fast);
}

.pagination a:hover,
.pagination .current {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
}

/* ============================================================================
   LOADING & ANIMATION STATES
   ============================================================================ */

.loading {
  opacity: 0.6;
  pointer-events: none;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(15, 118, 110, 0.1);
  border-radius: 50%;
  border-top-color: var(--color-accent);
  animation: spin 1s linear infinite;
}