/* ============================================================
   RIFAT MAHMUD PORTFOLIO — blog.css
   Blog listing page styles
   ============================================================ */

/* ── Blog Hero ─────────────────────────────────────────────── */
.blog-hero {
  position: relative;
  padding: 9rem 0 5rem;
  overflow: hidden;
}
.blog-hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(212,168,67,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212,168,67,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.blog-hero__accent {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--red), var(--gold), var(--red));
}
.blog-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
}
.blog-hero__title {
  font-family: var(--ff-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 1.25rem;
}
.blog-hero__title em {
  font-style: italic;
  color: var(--gold);
}
.blog-hero__sub {
  font-size: 1.1rem;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 2.5rem;
  max-width: 560px;
}

/* ── Filter Buttons ────────────────────────────────────────── */
.blog-filters {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.blog-filter {
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  padding: 0.45rem 1rem;
  border-radius: 100px;
  border: 1px solid rgba(255,255,255,0.15);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.2s;
}
.blog-filter:hover {
  color: var(--cream);
  border-color: rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.05);
}
.blog-filter.active {
  background: var(--red);
  border-color: var(--red);
  color: var(--white);
}

/* ── Blog Main ─────────────────────────────────────────────── */
.blog-main {
  padding: 4rem 0 6rem;
}

/* ── Blog Grid ─────────────────────────────────────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

/* ── Blog Card ─────────────────────────────────────────────── */
.blog-card {
  background: var(--slate);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s, transform 0.3s var(--ease-out), box-shadow 0.3s;
}
.blog-card:hover {
  border-color: rgba(212,168,67,0.3);
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(0,0,0,0.3);
}
.blog-card--featured {
  border-color: rgba(212,168,67,0.2);
  background: linear-gradient(135deg, var(--slate2), var(--slate));
}
.blog-card--featured .blog-card__title a {
  font-size: 1.2rem;
}

/* Card image area */
.blog-card__img-wrap {
  width: 100%;
  height: 200px;
  overflow: hidden;
  flex-shrink: 0;
}
.blog-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease-out);
}
.blog-card:hover .blog-card__img {
  transform: scale(1.04);
}
.blog-card__img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--slate2);
  font-size: 3.5rem;
  transition: transform 0.5s var(--ease-out);
}
.blog-card:hover .blog-card__img-placeholder {
  transform: scale(1.04);
}
.blog-card__img-placeholder--leadership { background: linear-gradient(135deg, #1a2e4a, #253f66); }
.blog-card__img-placeholder--codeup    { background: linear-gradient(135deg, #1a3a2a, #245c3c); }
.blog-card__img-placeholder--tech      { background: linear-gradient(135deg, #1a243a, #1e3354); }
.blog-card__img-placeholder--business  { background: linear-gradient(135deg, #3a2010, #5c3215); }

/* Card body */
.blog-card__body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.blog-card__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.9rem;
}
.blog-card__cat {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 100px;
  font-weight: 500;
}
.blog-card__cat--technology  { background: rgba(30,51,84,1);   color: #7eb8f5; border: 1px solid rgba(126,184,245,0.2); }
.blog-card__cat--leadership  { background: rgba(212,168,67,.15); color: var(--gold); border: 1px solid rgba(212,168,67,.25); }
.blog-card__cat--ai          { background: rgba(128,90,213,.15); color: #b794f4; border: 1px solid rgba(183,148,244,.2); }
.blog-card__cat--codeup      { background: rgba(72,187,120,.1);  color: #68d391; border: 1px solid rgba(104,211,145,.2); }
.blog-card__cat--business    { background: rgba(232,48,42,.1);   color: #f87171; border: 1px solid rgba(248,113,113,.2); }

.blog-card__date {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  color: var(--muted);
  letter-spacing: 0.05em;
  margin-left: auto;
}
.blog-card__title {
  font-family: var(--ff-display);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 0.75rem;
}
.blog-card__title a {
  color: var(--cream);
  transition: color 0.2s;
}
.blog-card__title a:hover { color: var(--gold); }

.blog-card__excerpt {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 1.25rem;
}
.blog-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.blog-card__author {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--muted);
  font-family: var(--ff-mono);
  letter-spacing: 0.03em;
}
.blog-card__author-img {
  display: none; /* hidden — author name shown as text only */
}
.blog-card__read-more {
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--gold);
  font-weight: 500;
  transition: color 0.2s, gap 0.2s;
  display: flex;
  align-items: center;
}
.blog-card__read-more:hover { color: var(--gold-lt); }

/* Empty state */
.blog-empty {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--muted);
  font-family: var(--ff-mono);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

/* ── Blog CTA banner ─────────────────────────────────────── */
.blog-cta {
  background: var(--slate);
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 3.5rem 0;
}
.blog-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.blog-cta__text h2 {
  font-family: var(--ff-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--cream);
  margin-bottom: 0.4rem;
}
.blog-cta__text p {
  color: var(--muted);
  font-size: 0.95rem;
}
.blog-cta__actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* ── Nav active state ────────────────────────────────────── */
.nav__active {
  color: var(--gold) !important;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .blog-grid { grid-template-columns: 1fr; }
  .blog-cta__inner { flex-direction: column; text-align: center; }
  .blog-cta__actions { justify-content: center; }
  .blog-filters { gap: 0.35rem; }
}