/* Header Layout */
.site-header {
  background: var(--primary-gradient);
  padding: 1.5rem 0;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.site-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%), radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-branding {
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 2rem;
}

.title-description {
  display: flex;
  align-items: center;
  gap: 2rem;
}

/* Main Content Layout */
.site-content {
  flex: 1;
  width: 100%;
  max-width: 1400px;
  margin: 2rem auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 3rem;
}

.main-content {
  min-width: 0;
}

.sidebar {
  min-width: 0;
}

/* Posts Grid Layout */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

/* Footer Layout */
.site-footer {
  background: var(--primary-gradient);
  padding: 2rem 0;
  margin-top: auto;
  color: #fff;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.footer-menu a {
  color: white;
}
.footer-menu ul {
  list-style: none;
  display: flex;
  gap: 2rem;
  margin: 0;
  padding: 0;
}

/* Hide Primary Navigation */
.primary-navigation {
  display: none;
}

/* Archive Layout */
.archive-header {
  margin-bottom: 2rem;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

.archive-title {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--text-color);
}

.archive-description {
  color: var(--text-light);
  font-size: 1.1rem;
  line-height: 1.6;
}

/* Single Post Layout */
.single-post .site-content {
  margin-top: 3rem;
}

.article-header {
  margin-bottom: 2rem;
}

.article-footer {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

/* Page Layout */
.page .site-content {
  margin-top: 3rem;
}

.page-header {
  margin-bottom: 3rem;
}

/* Search Layout */
.search-form {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.search-field {
  flex: 1;
  min-width: 0;
}

/* Comments Layout */
.comments-area {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

/* Widget Layout */
.widget {
  margin-bottom: 2rem;
}

.widget:last-child {
  margin-bottom: 0;
}

/* Form Layout */
.form-layout {
  display: grid;
  gap: 1.5rem;
}

/* Grid Layout Utilities */
.grid {
  display: grid;
  gap: var(--grid-gap, 2rem);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Container Layout */
.container {
  width: 100%;
  max-width: var(--container-width, 1200px);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding, 2rem);
  padding-right: var(--container-padding, 2rem);
}

/* Stack Layout */
.stack {
  display: flex;
  flex-direction: column;
  gap: var(--stack-gap, 1rem);
}

/* Horizontal Stack Layout */
.hstack {
  display: flex;
  gap: var(--hstack-gap, 1rem);
  align-items: center;
}

/* Center Layout */
.center {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Responsive Layout Breakpoints */
@media (max-width: 1200px) {
  .container {
    --container-width: 1140px;
  }
}

@media (max-width: 992px) {
  .container {
    --container-width: 960px;
  }

  .grid-4 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .container {
    --container-width: 720px;
    --container-padding: 1rem;
  }

  .site-content {
    grid-template-columns: 1fr;
  }

  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .header-inner {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

  .title-description {
    flex-direction: column;
    gap: 1rem;
  }

  .footer-menu ul {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

@media (max-width: 576px) {
  .container {
    --container-width: 540px;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .search-form {
    flex-direction: column;
  }
}