/* ============================================================
   TROIX — Blog Page Styles
   ============================================================ */

/* ─── Blog Filters ─── */
.blog-filters {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}
.blog-filter {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--clr-border);
  color: var(--clr-text-muted);
  background: var(--clr-surface);
  cursor: pointer;
  transition: all var(--transition-base);
}
.blog-filter:hover {
  color: var(--clr-text);
  border-color: rgba(255,255,255,0.15);
}
.blog-filter.active {
  background: rgba(59,130,246,0.12);
  border-color: rgba(59,130,246,0.3);
  color: var(--clr-primary-light);
}

/* ─── Blog Grid ─── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}
.blog-card--hidden { display: none; }

/* ─── Blog Card ─── */
.blog-card {
  background: var(--grad-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
  transition-delay: calc(var(--i, 0) * 0.08s);
}
.blog-card:hover {
  transform: translateY(-6px);
  border-color: var(--clr-border-active);
  box-shadow: var(--shadow-lg);
}
.blog-card__img {
  height: 180px;
  overflow: hidden;
  position: relative;
}
.blog-card__img-inner {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.5s ease;
}
.blog-card:hover .blog-card__img-inner { transform: scale(1.05); }
.blog-card__img-icon { font-size: 3rem; opacity: 0.7; }

.blog-card__body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.blog-card__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.875rem;
}
.blog-card__tag {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.7rem;
  border-radius: var(--radius-full);
  background: rgba(59,130,246,0.1);
  color: var(--clr-primary-light);
  border: 1px solid rgba(59,130,246,0.2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.blog-card__tag--design {
  background: rgba(139,92,246,0.1);
  color: #a78bfa;
  border-color: rgba(139,92,246,0.2);
}
.blog-card__tag--mobile {
  background: rgba(16,185,129,0.1);
  color: var(--clr-success);
  border-color: rgba(16,185,129,0.2);
}
.blog-card__tag--strategy {
  background: rgba(245,158,11,0.1);
  color: #fbbf24;
  border-color: rgba(245,158,11,0.2);
}
.blog-card__date { font-size: 0.775rem; color: var(--clr-text-faint); }

.blog-card__title {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 0.75rem;
  flex-grow: 1;
}
.blog-card__title a {
  color: var(--clr-heading);
  transition: color var(--transition-base);
}
.blog-card__title a:hover { color: var(--clr-primary-light); }

.blog-card__excerpt {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  line-height: 1.75;
  margin-bottom: 1.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: auto;
  padding-top: 1.25rem;
  border-top: 1px solid var(--clr-border);
  flex-wrap: wrap;
}
.blog-card__author { display: flex; align-items: center; gap: 0.625rem; }
.blog-card__avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}
.blog-card__author-name { display: block; font-size: 0.8rem; font-weight: 600; color: var(--clr-text); }
.blog-card__read-time { display: block; font-size: 0.72rem; color: var(--clr-text-faint); }

/* ─── Load More ─── */
.blog-load-more {
  text-align: center;
  margin-top: var(--space-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.blog-load-more__count { font-size: 0.85rem; color: var(--clr-text-faint); }

/* ─── Newsletter Form ─── */
.newsletter-form { max-width: 480px; margin: 0 auto; }
.newsletter-form__group {
  display: flex;
  gap: 0.5rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-full);
  padding: 0.375rem;
  transition: border-color var(--transition-base);
}
.newsletter-form__group:focus-within { border-color: rgba(59,130,246,0.4); }
.newsletter-form__input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  padding: 0.5rem 1rem;
  font-size: 0.9375rem;
  color: var(--clr-text);
  min-width: 0;
}
.newsletter-form__input::placeholder { color: var(--clr-text-faint); }
.newsletter-form__success {
  display: none;
  margin-top: 0.75rem;
  font-size: 0.9rem;
  color: var(--clr-success);
  text-align: center;
}
.newsletter-form__success.visible { display: block; }

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .blog-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 640px) {
  .blog-grid { grid-template-columns: 1fr; }
  .newsletter-form__group { flex-direction: column; border-radius: var(--radius-lg); }
  .newsletter-form__group .btn { border-radius: var(--radius-full); }
}