/* ============================================
   Blog Page - Stylesheet
   ============================================ */

/* --- Page Hero --- */
.page-hero {
  position: relative;
  padding: 10rem 0 4rem;
  overflow: hidden;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.page-hero-bg .hero-shape-1 {
  width: 400px;
  height: 400px;
  top: -15%;
  right: -5%;
  opacity: 0.3;
}

.page-hero-bg .hero-shape-2 {
  width: 300px;
  height: 300px;
  bottom: -20%;
  left: -8%;
  opacity: 0.25;
}

.page-title {
  font-family: var(--font-sans);
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
  background: linear-gradient(135deg, var(--color-text) 0%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-description {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.9;
}

/* --- Blog Section --- */
.blog-section {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-3xl);
}

/* --- Loading --- */
.blog-loading {
  text-align: center;
  padding: var(--space-2xl) 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.blog-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  margin: 0 auto var(--space-sm);
  animation: spin 0.8s linear infinite;
}

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

/* --- Error --- */
.blog-error {
  text-align: center;
  padding: var(--space-2xl) 0;
  color: var(--color-text-muted);
}

.blog-error p {
  margin-bottom: var(--space-md);
}

/* --- Blog Grid --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

/* --- Blog Card --- */
.blog-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-spring), box-shadow var(--transition-base);
  opacity: 0;
  transform: translateY(24px);
  animation: blogFadeIn 0.5s ease forwards;
}

@keyframes blogFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.blog-card-thumb {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-border-light);
}

.blog-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.blog-card-body {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card-date {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-primary);
  letter-spacing: 0.04em;
  margin-bottom: 0.4rem;
}

.blog-card-title {
  font-family: var(--font-jp);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.6;
  margin-bottom: 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-excerpt {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.blog-card-more {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-top: var(--space-sm);
  transition: gap var(--transition-base);
}

.blog-card:hover .blog-card-more {
  gap: 0.6rem;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .page-hero {
    padding: 7rem 0 2.5rem;
  }

  .page-title {
    font-size: 2.2rem;
  }

  .blog-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
}