/* ==========================================================
   Seven Star SEO Tools — Blog hub + Guide article pages
   ========================================================== */

/* ---------- Back link + breadcrumb (guide-detail page) ---------- */
.back-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13.5px; font-weight: 600;
  color: var(--text-dim);
  margin: 44px 0 30px;
  transition: color 0.3s ease, gap 0.3s ease;
}
.back-link:hover { color: var(--neon-cyan); gap: 11px; }

/* ---------- Header active state ---------- */
.nav-desktop > a.active { color: var(--text); }
.nav-desktop > a.active::after { width: 100%; }
.nav-mobile a.active { color: var(--text); background: rgba(var(--accent-rgb),0.08); }

/* ---------- Blog hero ---------- */
.blog-hero {
  padding: 150px 0 70px;
  text-align: center;
}
.blog-hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  font-size: 13px; font-weight: 500; color: var(--text-dim);
  margin-bottom: 26px;
}
.blog-hero-title {
  font-size: clamp(30px, 5vw, 52px);
  font-weight: 800;
  letter-spacing: -1.2px;
  line-height: 1.15;
  margin-bottom: 20px;
}
.blog-hero-sub {
  max-width: 600px;
  margin: 0 auto;
  color: var(--text-dim);
  font-size: clamp(15px, 2vw, 17px);
}

/* ---------- Guides grid (shared: hub page + related strip) ---------- */
.guides-section { padding: 20px 0 120px; }

.guides-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 26px;
}

.guide-card {
  position: relative;
  display: flex; flex-direction: column;
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 26px 24px;
  transition: transform 0.4s var(--ease), border-color 0.4s ease, box-shadow 0.4s ease;
}
.guide-card::before {
  content: '';
  position: absolute; inset: 0;
  border-radius: var(--radius);
  padding: 1px;
  background: var(--gradient-1);
  opacity: 0;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  transition: opacity 0.4s ease;
  pointer-events: none;
}
.guide-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.4), var(--shadow-glow);
}
.guide-card:hover::before { opacity: 1; }

.guide-card-icon {
  font-size: 30px;
  margin-bottom: 16px;
  display: inline-block;
}
.guide-card-title {
  font-size: 18px; font-weight: 700;
  letter-spacing: -0.2px;
  line-height: 1.32;
  margin-bottom: 10px;
}
.guide-card-excerpt {
  font-size: 14px; color: var(--text-dim);
  line-height: 1.55;
  margin-bottom: 20px;
  flex-grow: 1;
}
.guide-card-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13.5px; font-weight: 700;
  color: var(--neon-cyan);
}
.guide-card-link svg { transition: transform 0.3s var(--ease); }
.guide-card:hover .guide-card-link svg { transform: translateX(3px); }

.guides-empty {
  text-align: center;
  color: var(--text-dim);
  padding: 60px 0;
}

/* ---------- Guide article ---------- */
.guide-article { padding-bottom: 40px; }
.guide-article-container { max-width: 760px; }

.guide-article-head {
  text-align: center;
  margin: 20px 0 40px;
}
.guide-article-icon {
  display: block;
  font-size: 44px;
  margin-bottom: 14px;
}
.guide-article-label {
  display: inline-block;
  font-size: 12.5px; font-weight: 600; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--neon-cyan);
  margin-bottom: 14px;
}
.guide-article-title {
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 800;
  letter-spacing: -0.8px;
  line-height: 1.2;
  margin-bottom: 14px;
}
.guide-article-excerpt {
  font-size: 16px; color: var(--text-dim);
  max-width: 560px;
  margin: 0 auto;
}

/* ---------- CTA card (buy the tool this guide is about) ---------- */
.guide-cta-card {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  flex-wrap: wrap;
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 40px;
  box-shadow: var(--shadow-glow);
}
.guide-cta-info { display: flex; align-items: center; gap: 14px; }
.guide-cta-info img {
  width: 52px; height: 52px;
  object-fit: contain;
  border-radius: 12px;
  background: linear-gradient(180deg, #faf6ec, #efe4c8);
  padding: 8px;
}
.guide-cta-label { font-size: 12px; color: var(--text-dimmer); text-transform: uppercase; letter-spacing: 0.8px; margin-bottom: 3px; }
.guide-cta-name { font-size: 16px; font-weight: 700; }

/* ---------- Article body typography ---------- */
.guide-article-body { font-size: 16px; line-height: 1.8; color: var(--text-dim); }
.guide-article-body p { margin-bottom: 20px; }
.guide-article-body h2 {
  font-size: clamp(20px, 2.6vw, 25px);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.3px;
  margin: 40px 0 18px;
  padding-left: 16px;
  border-left: 4px solid var(--neon-cyan);
}
.guide-article-body ul {
  list-style: none;
  margin: 0 0 22px;
  display: flex; flex-direction: column; gap: 13px;
}
.guide-article-body li {
  padding-left: 26px;
  position: relative;
}
.guide-article-body li::before {
  content: '✓';
  position: absolute; left: 0; top: 0;
  color: var(--neon-cyan);
  font-weight: 700;
}

/* ---------- Responsive ---------- */
@media (max-width: 820px) {
  .blog-hero { padding: 130px 0 50px; }
}

@media (max-width: 480px) {
  .guide-cta-card { flex-direction: column; align-items: flex-start; }
  .guide-cta-card .btn { width: 100%; justify-content: center; }
}

/* ---------- Guide cards: 3-per-row compact layout on phones ---------- */
@media (max-width: 640px) {
  .guides-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }
  .guide-card { padding: 14px 8px 12px; border-radius: 14px; }
  .guide-card-icon { font-size: 20px; margin-bottom: 8px; }
  .guide-card-title {
    font-size: 11.5px;
    line-height: 1.28;
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .guide-card-excerpt { display: none; }
  .guide-card-link { font-size: 9.5px; gap: 3px; }
  .guide-card-link svg { width: 11px; height: 11px; }
}

@media (max-width: 360px) {
  .guides-grid { gap: 8px; }
  .guide-card { padding: 12px 6px 10px; }
  .guide-card-title { font-size: 10.5px; }
}