/* Catálogo — estilos específicos */
.cat-hero {
  padding: 8rem 0 3rem;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.cat-hero::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 80% 20%, var(--accent-soft), transparent 60%);
  opacity: 0.5;
  pointer-events: none;
}
.cat-hero-inner { position: relative; display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: end; }
.cat-hero h1 { font-size: var(--step-5); }
.cat-hero-meta { font-family: var(--font-mono); font-size: 0.8rem; color: var(--fg-soft); letter-spacing: 0.1em; text-transform: uppercase; }

/* Search + filtros */
.cat-controls {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: sticky; top: 72px; z-index: 40;
  backdrop-filter: blur(12px);
}
.cat-controls-inner { display: grid; grid-template-columns: 1fr auto; gap: 1.5rem; align-items: center; }
.cat-search {
  display: flex; align-items: center; gap: 0.75rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0.8rem 1.3rem;
  background: var(--bg);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.cat-search:focus-within { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.cat-search svg { width: 18px; height: 18px; color: var(--fg-soft); }
.cat-search input { flex: 1; border: 0; outline: 0; font: inherit; background: transparent; color: var(--fg); }
.cat-count { font-family: var(--font-mono); font-size: 0.82rem; color: var(--fg-soft); }

.cat-chips { display: flex; gap: 0.5rem; flex-wrap: wrap; padding: 1.2rem 0 0; }
.cat-chip {
  padding: 0.5rem 1.1rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-soft);
  cursor: pointer;
  transition: all 0.3s var(--ease);
  background: var(--bg);
}
.cat-chip:hover { border-color: var(--ink); color: var(--fg); }
.cat-chip.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }
[data-theme="dark"] .cat-chip.active { background: var(--paper); color: var(--ink); border-color: var(--paper); }

/* Grid categorias destaque */
.cat-featured { padding: 4rem 0 2rem; }
.cat-featured-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.cat-feat {
  padding: 2.5rem 2rem;
  background: var(--bg);
  cursor: pointer;
  transition: background 0.3s var(--ease);
  position: relative;
  min-height: 220px;
  display: flex; flex-direction: column; justify-content: space-between;
}
.cat-feat:hover { background: var(--bg-alt); }
.cat-feat-idx { font-family: var(--font-mono); font-size: 0.72rem; color: var(--accent); letter-spacing: 0.2em; }
.cat-feat h3 { font-size: var(--step-2); margin-top: 1rem; }
.cat-feat p { color: var(--fg-soft); font-size: 0.92rem; margin-top: 0.5rem; }
.cat-feat-count { font-family: var(--font-mono); font-size: 0.8rem; color: var(--fg-soft); margin-top: 1.5rem; }

/* Grid de produtos */
.products { padding: 3rem 0 6rem; }
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.product-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg);
  overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
  display: flex; flex-direction: column;
  cursor: pointer;
}
.product-card:hover { transform: translateY(-4px); border-color: var(--ink); box-shadow: var(--shadow); }
.product-visual {
  aspect-ratio: 4/3;
  position: relative;
  background: linear-gradient(135deg, var(--bg-alt), var(--bg));
  overflow: hidden;
  display: grid; place-items: center;
  border-bottom: 1px solid var(--line);
}
.product-visual::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.4;
}
.product-visual-glyph {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  display: grid; place-items: center;
  color: var(--accent);
  position: relative;
  z-index: 1;
}
.product-visual-glyph svg { width: 32px; height: 32px; }
.product-tag-float { position: absolute; top: 1rem; left: 1rem; z-index: 2; background: var(--ink); color: var(--paper); font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.15em; text-transform: uppercase; padding: 0.3rem 0.7rem; border-radius: 999px; }
[data-theme="dark"] .product-tag-float { background: var(--paper); color: var(--ink); }

.product-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; gap: 0.6rem; }
.product-brand { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); }
.product-card h4 { font-size: 1.15rem; line-height: 1.2; letter-spacing: -0.015em; }
.product-desc { color: var(--fg-soft); font-size: 0.88rem; line-height: 1.5; flex: 1; }
.product-foot { display: flex; justify-content: space-between; align-items: center; padding-top: 0.8rem; border-top: 1px solid var(--line); margin-top: auto; }
.product-arrow { width: 32px; height: 32px; border-radius: 50%; background: var(--bg-alt); display: grid; place-items: center; transition: background 0.3s var(--ease), color 0.3s var(--ease); }
.product-card:hover .product-arrow { background: var(--ink); color: var(--paper); }
.product-cta-mini { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--fg-soft); }

/* Empty state */
.cat-empty { padding: 4rem; text-align: center; color: var(--fg-soft); grid-column: 1 / -1; }
.cat-empty strong { display: block; font-family: var(--font-display); font-size: var(--step-2); color: var(--fg); margin-bottom: 0.5rem; }

/* CTA band */
.cat-cta {
  background: var(--ink);
  color: var(--paper);
  padding: 5rem 0;
  margin-top: 4rem;
}
[data-theme="dark"] .cat-cta { background: var(--paper); color: var(--ink); }
.cat-cta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.cat-cta h2 { color: inherit; font-size: var(--step-4); }
.cat-cta p { color: var(--steel-soft); margin-top: 1rem; }
[data-theme="dark"] .cat-cta p { color: var(--fg-soft); }

/* PRODUTO — detalhes */
.pd-hero { padding: 8rem 0 3rem; border-bottom: 1px solid var(--line); }
.pd-breadcrumb { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--fg-soft); margin-bottom: 2rem; }
.pd-breadcrumb a { color: var(--fg-soft); }
.pd-breadcrumb a:hover { color: var(--accent); }
.pd-breadcrumb span { margin: 0 0.8rem; opacity: 0.5; }

.pd-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 4rem; align-items: start; }
.pd-visual {
  aspect-ratio: 4/5;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--bg-alt), var(--bg));
  position: relative;
  overflow: hidden;
  display: grid; place-items: center;
}
.pd-visual::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.4;
}
.pd-visual-glyph { width: 160px; height: 160px; border-radius: 50%; background: var(--bg); border: 1px solid var(--line-strong); display: grid; place-items: center; color: var(--accent); position: relative; z-index: 1; box-shadow: var(--shadow); }
.pd-visual-glyph svg { width: 72px; height: 72px; }
.pd-visual-brand { position: absolute; bottom: 1.5rem; left: 1.5rem; z-index: 2; font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.2em; color: var(--fg-soft); }

.pd-info { padding-top: 1rem; }
.pd-info-brand { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.8rem; display: block; }
.pd-info h1 { font-size: var(--step-4); margin-bottom: 1.5rem; }
.pd-info-desc { font-size: 1.05rem; color: var(--fg-soft); margin-bottom: 2rem; line-height: 1.6; }

.pd-specs { border-top: 1px solid var(--line); padding-top: 2rem; margin-bottom: 2rem; }
.pd-specs-title { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--fg-soft); margin-bottom: 1rem; }
.pd-specs-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.8rem; }
.pd-specs-list li { display: flex; align-items: center; gap: 0.8rem; font-size: 0.95rem; padding-bottom: 0.8rem; border-bottom: 1px solid var(--line); }
.pd-specs-list li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }

.pd-actions { display: flex; gap: 0.8rem; flex-wrap: wrap; }

/* Related */
.pd-related { padding: 5rem 0; background: var(--bg-alt); border-top: 1px solid var(--line); }
.pd-related h3 { font-size: var(--step-3); margin-bottom: 2rem; }

/* Responsive */
@media (max-width: 960px) {
  .cat-hero-inner { grid-template-columns: 1fr; }
  .cat-controls-inner { grid-template-columns: 1fr; }
  .cat-featured-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .cat-cta-grid { grid-template-columns: 1fr; }
  .pd-grid { grid-template-columns: 1fr; gap: 2rem; }
  .cat-controls { position: static; }
}
@media (max-width: 640px) {
  .products-grid { grid-template-columns: 1fr; }
  .cat-hero { padding: 6rem 0 2rem; }
}