/* =========================================
   Vi&Co Labs — Blog Styles
   ========================================= */

/* ---- Blog Header ---- */
.blog-header {
  padding: 160px 0 60px;
  text-align: center;
}

.blog-header__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(36px, 6vw, 64px);
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.blog-header__sub {
  font-size: clamp(16px, 2vw, 18px);
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ---- Blog Grid ---- */
.blog-grid {
  padding: 40px 0 var(--section-pad);
}

.blog-grid__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

/* ---- Blog Card ---- */
.blog-card {
  display: flex;
  flex-direction: column;
  padding: 36px 32px 32px;
  border-radius: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: all 0.4s var(--ease-out);
  overflow: hidden;
  position: relative;
  text-decoration: none;
}

.blog-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--teal-bright), transparent);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.blog-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
}

.blog-card:hover::before {
  opacity: 0.6;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.blog-card__meta time {
  font-size: 13px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.blog-card__tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 500;
  color: var(--teal-bright);
  border: 1px solid rgba(26, 191, 191, 0.2);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.blog-card__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(22px, 2.5vw, 28px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.blog-card__excerpt {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 24px;
  flex-grow: 1;
}

.blog-card__read {
  font-size: 14px;
  font-weight: 500;
  color: var(--teal-bright);
  transition: color 0.25s ease;
}

.blog-card:hover .blog-card__read {
  color: var(--teal-glow);
}

/* ---- Blog Post (Article) ---- */
.blog-post {
  padding: 160px 0 var(--section-pad);
}

.blog-post__header {
  max-width: 720px;
  margin: 0 auto 48px;
}

.blog-post__back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 32px;
  transition: color 0.25s ease;
}

.blog-post__back:hover {
  color: var(--teal-bright);
}

.blog-post__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.blog-post__meta time {
  font-size: 13px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.blog-post__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.blog-post__subtitle {
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ---- Blog Post Content ---- */
.blog-post__content {
  max-width: 720px;
  margin: 0 auto;
}

.blog-post__content p {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.blog-post__content p:last-child {
  margin-bottom: 0;
}

.blog-post__content strong {
  color: var(--text-primary);
  font-weight: 500;
}

.blog-post__content h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--text-primary);
  margin: 48px 0 20px;
}

.blog-post__content h3 {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 20px;
  color: var(--text-primary);
  margin: 36px 0 14px;
  letter-spacing: -0.01em;
}

.blog-post__content blockquote {
  border-left: 2px solid var(--teal-bright);
  padding: 4px 0 4px 24px;
  margin: 32px 0;
  font-style: italic;
  color: var(--text-secondary);
  font-size: 18px;
  line-height: 1.7;
}

.blog-post__content a {
  color: var(--teal-bright);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.25s ease;
}

.blog-post__content a:hover {
  color: var(--teal-glow);
}

/* Divider */
.blog-post__divider {
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, var(--teal-bright), transparent);
  margin: 48px auto;
  border: none;
}

/* Tags */
.blog-post__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: 720px;
  margin: 48px auto 0;
}

.blog-post__tags span {
  padding: 5px 14px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  border: 1px solid var(--border);
  letter-spacing: 0.02em;
}

/* ---- Active nav link ---- */
.nav__link--active {
  color: var(--teal-bright) !important;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .blog-grid__list {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .blog-card {
    padding: 28px 24px 24px;
  }

  .blog-header {
    padding: 120px 0 40px;
  }

  .blog-post {
    padding: 120px 0 60px;
  }
}