/* =============================================================================
   blog.css — Blog list page styles
   響(Hibiki) Portfolio — hibikishimizu.com
   ============================================================================= */

.blog-page {
  padding-top: 80px;
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
#blog-hero {
  padding: clamp(80px, 12vw, 140px) 0 clamp(48px, 6vw, 72px);
  position: relative;
  overflow: hidden;
}

.blog-hero-ambient {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.blog-ambient-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.1;
}

.blog-ambient-blob:nth-child(1) {
  width: 500px;
  height: 500px;
  top: -150px;
  left: -100px;
  background: radial-gradient(circle, #c8836e 0%, transparent 70%);
}

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

.blog-hero-eyebrow {
  font-size: var(--fs-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-accent);
  font-family: var(--font-en);
  margin-bottom: 16px;
}

.blog-hero-title {
  font-size: var(--fs-4xl);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.blog-hero-sub {
  font-size: var(--fs-base);
  color: var(--c-text-muted);
  max-width: 540px;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Tag filter
   -------------------------------------------------------------------------- */
.blog-tags-filter {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 0 0 clamp(40px, 5vw, 60px);
}

/* reuses .filter-btn from works.css via global pattern — defined inline */
.tag-filter-btn {
  background: transparent;
  border: 1px solid var(--c-border);
  border-radius: 20px;
  color: var(--c-text-muted);
  font-family: var(--font-en);
  font-size: var(--fs-sm);
  padding: 5px 14px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tag-filter-btn:hover {
  border-color: rgba(200, 169, 110, 0.4);
  color: var(--c-text);
}

.tag-filter-btn.active {
  background: rgba(200, 169, 110, 0.15);
  border-color: rgba(200, 169, 110, 0.5);
  color: var(--c-accent);
}

/* --------------------------------------------------------------------------
   Blog list
   -------------------------------------------------------------------------- */
.blog-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: clamp(80px, 10vw, 120px);
}

.blog-post-item {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 24px;
  align-items: start;
  padding: 28px 0;
  border-bottom: 1px solid var(--c-border);
  text-decoration: none;
  transition: background 0.2s;
  border-radius: var(--radius-sm);
  position: relative;
}

.blog-post-item:hover {
  padding-left: 12px;
  padding-right: 12px;
  margin: 0 -12px;
  background: var(--c-bg-2);
}

.blog-post-item:hover .post-arrow {
  opacity: 1;
  transform: translateX(0);
}

@media (max-width: 640px) {
  .blog-post-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

.post-date {
  font-size: var(--fs-sm);
  color: var(--c-text-muted);
  font-family: var(--font-en);
  padding-top: 3px;
  white-space: nowrap;
}

.post-body {
  flex: 1;
}

.post-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.post-tag {
  font-size: var(--fs-xs);
  color: var(--c-accent);
  background: rgba(200, 169, 110, 0.12);
  border: 1px solid rgba(200, 169, 110, 0.2);
  border-radius: 4px;
  padding: 2px 8px;
  font-family: var(--font-en);
  letter-spacing: 0.04em;
}

.post-title {
  font-size: var(--fs-lg);
  font-weight: 600;
  color: var(--c-text);
  line-height: 1.4;
  margin-bottom: 6px;
  transition: color 0.2s;
}

.blog-post-item:hover .post-title {
  color: var(--c-accent);
}

.post-excerpt {
  font-size: var(--fs-sm);
  color: var(--c-text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-arrow {
  font-size: 20px;
  color: var(--c-accent);
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 0.2s, transform 0.2s;
  align-self: center;
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .post-arrow { display: none; }
}

/* --------------------------------------------------------------------------
   Empty state / Coming soon
   -------------------------------------------------------------------------- */
.blog-coming-soon {
  text-align: center;
  padding: clamp(60px, 8vw, 100px) 0;
}

.blog-coming-icon {
  font-size: 40px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  margin-inline: auto;
  border-radius: var(--radius-lg);
  background: rgba(255, 107, 53, 0.08);
  border: 1px solid rgba(255, 107, 53, 0.15);
  color: var(--c-accent);
}

.blog-coming-title {
  font-size: var(--fs-2xl);
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 12px;
}

.blog-coming-sub {
  font-size: var(--fs-base);
  color: var(--c-text-muted);
  max-width: 440px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Pagination
   -------------------------------------------------------------------------- */
.blog-pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  padding: clamp(32px, 4vw, 48px) 0 clamp(80px, 10vw, 120px);
}

.page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-border);
  background: transparent;
  color: var(--c-text-muted);
  font-family: var(--font-en);
  font-size: var(--fs-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.page-btn:hover {
  border-color: rgba(255, 255, 255, 0.15);
  color: var(--c-text);
}

.page-btn.active {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: #000;
  font-weight: 600;
}