/* ==========================================================
   blog.css — BuzzChat Blog & FAQ Styles
   The Stellar Corp® · BuzzChat Corp®
   ========================================================== */

/* ----------------------------------------------------------
   BLOG PAGE LAYOUT
   ---------------------------------------------------------- */
.blog-page {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  padding: 120px 40px 60px;
}

.blog-container {
  max-width: 1000px;
  margin: 0 auto;
}

/* ----------------------------------------------------------
   BLOG HEADER
   ---------------------------------------------------------- */
.blog-header {
  text-align: center;
  margin-bottom: 56px;
}

.blog-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  margin-bottom: 24px;
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid rgba(124, 58, 237, 0.2);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  color: #c4b5fd;
}

.blog-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 14px;
}

.blog-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto;
}

/* ----------------------------------------------------------
   BLOG META (shared)
   ---------------------------------------------------------- */
.blog-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.blog-category {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.cat-launch { background: rgba(16, 185, 129, 0.15); color: #6ee7b7; }
.cat-feature { background: rgba(124, 58, 237, 0.15); color: #c4b5fd; }
.cat-dev { background: rgba(59, 130, 246, 0.15); color: #93c5fd; }
.cat-security { background: rgba(245, 158, 11, 0.15); color: #fcd34d; }

.blog-date {
  font-size: 0.78rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ----------------------------------------------------------
   FEATURED POST
   ---------------------------------------------------------- */
.blog-featured {
  position: relative;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(59, 130, 246, 0.06));
  border: 1px solid rgba(124, 58, 237, 0.25);
  border-radius: 20px;
  padding: 40px 44px;
  margin-bottom: 40px;
  overflow: hidden;
  transition: var(--transition);
}

.blog-featured::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.08), transparent 60%);
  pointer-events: none;
}

.blog-featured:hover {
  border-color: rgba(124, 58, 237, 0.4);
  box-shadow: 0 20px 60px rgba(124, 58, 237, 0.12);
}

.blog-featured-badge {
  position: absolute;
  top: 20px;
  right: 24px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  background: linear-gradient(135deg, var(--accent-purple), #5b21b6);
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  color: #fff;
}

.blog-featured-content {
  position: relative;
}

.blog-featured h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
}

.blog-featured p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
}

.blog-featured-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 24px 0;
}

.blog-highlight {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.blog-highlight i {
  color: #c4b5fd;
  font-size: 0.9rem;
  width: 18px;
  text-align: center;
  flex-shrink: 0;
}

/* ----------------------------------------------------------
   BLOG GRID
   ---------------------------------------------------------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 64px;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.blog-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(124, 58, 237, 0.06), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}

.blog-card:hover::before { opacity: 1; }

.blog-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

.blog-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 13px;
  background: rgba(124, 58, 237, 0.12);
  border: 1px solid rgba(124, 58, 237, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: #c4b5fd;
  margin-bottom: 16px;
}

.blog-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.35;
  position: relative;
}

.blog-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
  position: relative;
}

.blog-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  position: relative;
}

.blog-tags span {
  padding: 3px 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-dim);
}

/* ----------------------------------------------------------
   FAQ SECTION
   ---------------------------------------------------------- */
.blog-faq {
  padding-top: 48px;
  border-top: 1px solid var(--border);
}

.blog-faq-header {
  text-align: center;
  margin-bottom: 40px;
}

.blog-faq-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  margin: 12px 0 10px;
}

.blog-faq-header p {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(124, 58, 237, 0.2);
}

.faq-item[open] {
  border-color: rgba(124, 58, 237, 0.3);
  background: rgba(124, 58, 237, 0.04);
}

.faq-item summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 22px;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  list-style: none;
  transition: var(--transition);
  user-select: none;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary:hover {
  background: rgba(124, 58, 237, 0.06);
}

.faq-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(124, 58, 237, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #c4b5fd;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.faq-arrow {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--text-dim);
  transition: transform 0.3s ease;
}

.faq-item[open] .faq-arrow {
  transform: rotate(180deg);
  color: #c4b5fd;
}

.faq-answer {
  padding: 0 22px 20px 72px;
  animation: faqSlide 0.3s ease;
}

.faq-answer p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.8;
}

.faq-answer a {
  color: #c4b5fd;
  text-decoration: none;
  border-bottom: 1px solid rgba(196, 181, 253, 0.3);
  transition: var(--transition);
}

.faq-answer a:hover {
  color: #fff;
  border-bottom-color: #fff;
}

@keyframes faqSlide {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ----------------------------------------------------------
   RESPONSIVE
   ---------------------------------------------------------- */
@media (max-width: 768px) {
  .blog-page {
    padding: 100px 20px 40px;
  }

  .blog-featured {
    padding: 28px 22px;
  }

  .blog-featured-badge {
    position: static;
    display: inline-flex;
    margin-bottom: 16px;
  }

  .blog-featured-highlights {
    grid-template-columns: 1fr;
  }

  .blog-grid {
    grid-template-columns: 1fr;
  }

  .faq-answer {
    padding-left: 22px;
  }
}

/* ==========================================================
   LIGHT THEME — Blog & FAQ
   ========================================================== */
[data-theme="light"] .cat-launch { color: #059669; }
[data-theme="light"] .cat-feature { color: #5b21b6; }
[data-theme="light"] .cat-dev { color: #2563eb; }
[data-theme="light"] .cat-security { color: #d97706; }

[data-theme="light"] .blog-featured {
  background: rgba(124, 58, 237, 0.05);
  border-color: rgba(124, 58, 237, 0.15);
}
[data-theme="light"] .blog-featured h2 { color: #1a1a2e; }
[data-theme="light"] .blog-highlight {
  background: #fff;
  border-color: rgba(0, 0, 0, 0.08);
}
[data-theme="light"] .blog-highlight i { color: #7c3aed; }

[data-theme="light"] .blog-card {
  background: #fff;
  border-color: rgba(0, 0, 0, 0.08);
}
[data-theme="light"] .blog-card:hover {
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.08);
}
[data-theme="light"] .blog-card-icon {
  background: rgba(124, 58, 237, 0.08);
  color: #7c3aed;
}
[data-theme="light"] .blog-card h3 { color: #1a1a2e; }

[data-theme="light"] .faq-item {
  background: #fff;
  border-color: rgba(0, 0, 0, 0.08);
}
[data-theme="light"] .faq-item[open] {
  background: rgba(124, 58, 237, 0.04);
  border-color: rgba(124, 58, 237, 0.2);
}
[data-theme="light"] .faq-item summary:hover {
  background: rgba(124, 58, 237, 0.05);
}
[data-theme="light"] .faq-icon {
  background: rgba(124, 58, 237, 0.08);
  color: #7c3aed;
}
[data-theme="light"] .faq-answer a { color: #7c3aed; border-bottom-color: rgba(124,58,237,0.3); }
[data-theme="light"] .faq-answer a:hover { color: #5b21b6; border-bottom-color: #5b21b6; }