/* Blog layout */
.blog-page {
  padding-top: 7rem;
  min-height: 100vh;
  background-color: var(--color-black);
}

/* Blog hero */
.blog-hero {
  position: relative;
  padding: 4rem 0 3rem;
  margin-bottom: 3rem;
  overflow: hidden;
}

.blog-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(160deg, rgba(15, 26, 23, 0.92) 0%, rgba(15, 26, 23, 0.85) 100%),
    url("../assets/images/background.jpg") center / cover no-repeat;
  z-index: 0;
}

.blog-hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
  z-index: 1;
}

.blog-hero-inner {
  position: relative;
  z-index: 1;
}

.blog-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: rgba(228, 242, 240, 0.7);
  transition: color var(--transition);
}

.blog-back:hover,
.blog-back:focus-visible {
  color: var(--color-blue);
}

.blog-hero h1 {
  margin: 0;
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.blog-hero .section-subtitle {
  margin-top: 1rem;
  font-size: 1.125rem;
  max-width: 32rem;
}

/* Article grid */
.articles-list {
  display: grid;
  gap: 2rem;
  padding-bottom: 4rem;
}

.article-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.article-card:hover {
  border-color: rgba(28, 122, 217, 0.35);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

.article-card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: inherit;
  text-decoration: none;
}

.article-card-image-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(135deg, #1a2e28, #3d3b3a);
}

.article-card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.article-card:hover .article-card-image {
  transform: scale(1.04);
}

.article-card-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: rgba(228, 242, 240, 0.25);
}

.article-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1.75rem;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.article-card time {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-blue);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.article-card h2 {
  margin: 0 0 0.75rem;
  font-size: 1.375rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-white);
  transition: color var(--transition);
}

.article-card:hover h2 {
  color: var(--color-blue);
}

.article-card p {
  margin: 0 0 1.25rem;
  flex: 1;
  color: rgba(228, 242, 240, 0.7);
  line-height: 1.7;
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-blue);
  margin-top: auto;
}

.read-more::after {
  content: "→";
  transition: transform var(--transition);
}

.article-card:hover .read-more::after {
  transform: translateX(4px);
}

/* Article detail */
.article-detail-page {
  padding-bottom: 4rem;
}

.article-detail {
  max-width: 48rem;
  margin: 0 auto;
}

.article-detail-hero {
  padding: 3rem 0 2rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}

.article-detail time {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-blue);
  margin-bottom: 0.75rem;
}

.article-detail h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.875rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.article-detail .section-subtitle {
  font-size: 1.125rem;
  line-height: 1.7;
  max-width: none;
}

.article-cover {
  width: 100%;
  border-radius: var(--radius);
  margin-bottom: 2.5rem;
  border: 1px solid var(--color-border);
}

.article-content {
  color: rgba(228, 242, 240, 0.9);
  font-size: 1.0625rem;
  line-height: 1.85;
}

.article-content h2,
.article-content h3,
.article-content h4 {
  margin: 2.5rem 0 0.875rem;
  color: var(--color-white);
  line-height: 1.3;
}

.article-content h2 { font-size: 1.5rem; }
.article-content h3 { font-size: 1.25rem; }
.article-content h4 { font-size: 1.125rem; }

.article-content p {
  margin: 0 0 1.25rem;
}

.article-content ul,
.article-content ol {
  margin: 0 0 1.25rem;
  padding-left: 1.5rem;
}

.article-content li {
  margin-bottom: 0.5rem;
}

.article-content a {
  color: var(--color-blue);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-content a:hover {
  color: var(--color-blue-hover);
}

.article-content blockquote {
  margin: 2rem 0;
  padding: 1.25rem 1.5rem;
  border-left: 3px solid var(--color-blue);
  background: var(--color-surface);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: rgba(228, 242, 240, 0.85);
  font-style: italic;
}

.article-content code {
  padding: 0.15em 0.4em;
  background: var(--color-surface);
  border-radius: 0.25rem;
  font-size: 0.9em;
}

.article-content pre {
  margin: 1.5rem 0;
  padding: 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow-x: auto;
}

.article-content pre code {
  padding: 0;
  background: none;
}

.article-footer-cta {
  margin-top: 3rem;
  padding: 2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-align: center;
}

.article-footer-cta h2 {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
}

.article-footer-cta p {
  margin: 0 0 1.25rem;
  color: rgba(228, 242, 240, 0.7);
}

/* Empty & 404 states */
.empty-state,
.not-found-state {
  text-align: center;
  padding: 4rem 2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.empty-state-icon,
.not-found-state-icon {
  width: 4rem;
  height: 4rem;
  margin: 0 auto 1.5rem;
  color: rgba(228, 242, 240, 0.2);
}

.empty-state h2,
.not-found-state h2 {
  margin: 0 0 0.75rem;
  font-size: 1.375rem;
}

.empty-state p,
.not-found-state p {
  margin: 0 0 1.5rem;
  color: rgba(228, 242, 240, 0.6);
}

@media (min-width: 768px) {
  .articles-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .articles-list {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .article-card:hover {
    transform: none;
  }

  .article-card:hover .article-card-image {
    transform: none;
  }
}