/* ─── PROLED3D · SEO Pages — supplemental styles ─── */

/* ─── BREADCRUMB ─── */
.breadcrumb {
  background: var(--bg-2);
  border-bottom: 1px solid var(--line);
  padding: .65rem 0;
  font-size: .8rem;
  color: var(--text-dim);
  position: relative;
  z-index: 1;
}
.breadcrumb .container {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--accent); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb-sep { color: var(--muted); font-size: .7rem; }

/* ─── SEO HERO ─── */
.seo-hero {
  padding: 4rem 0 3rem;
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 1;
}
.seo-hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.seo-hero h1 {
  font-size: clamp(1.9rem, 3.5vw, 2.9rem);
  line-height: 1.1;
  margin: 1rem 0 1.25rem;
}
.seo-hero-visual img {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  width: 100%;
  object-fit: cover;
}
@media (max-width: 768px) {
  .seo-hero-inner { grid-template-columns: 1fr; }
  .seo-hero-visual { display: none; }
}

/* ─── SECTIONS GRID ─── */
.seo-sections-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}
.seo-section-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.5rem 1.25rem;
  transition: border-color var(--transition);
}
.seo-section-card:hover { border-color: var(--line-2); }
.seo-section-card .seo-step-num {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .12em;
  color: var(--accent);
  display: block;
  margin-bottom: .55rem;
}
.seo-section-card h2 {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: .5rem;
}
.seo-section-card p {
  font-size: .875rem;
  color: var(--text-dim);
  line-height: 1.65;
}

/* ─── RESPONSIVE TWEAKS ─── */
@media (max-width: 520px) {
  .seo-sections-grid { grid-template-columns: 1fr; }
}