/* ==========================================================================
   Catálogo · page-specific styles. Builds on shared institutional-site
   tokens + button system from colors_and_type.css and styles.css.
   ========================================================================== */

/* --- Header --------------------------------------------------------------- */

.cat-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-100);
}
.cat-header__inner {
  display: grid; grid-template-columns: auto 1fr auto;
  align-items: center; height: 76px; gap: 24px;
}
.cat-header__logo img { display: block; height: 32px; width: auto; }
.cat-header__crumbs {
  display: flex; align-items: center; gap: 12px;
  font-size: 12px; letter-spacing: 0.14em; font-weight: 900;
  text-transform: uppercase; color: var(--gray-500);
  justify-self: center;
}
.cat-header__crumbs a {
  color: var(--gray-500); text-decoration: none;
  transition: color var(--dur-fast);
}
.cat-header__crumbs a:hover { color: var(--navy-900); }
.cat-header__crumbs span:last-child { color: var(--navy-900); }
.cat-header__crumb-sep { opacity: 0.4; }

/* --- Hero ----------------------------------------------------------------- */

.cat-hero {
  background: var(--cream-50);
  padding-top: calc(108px + clamp(72px, 9vw, 120px));
  padding-bottom: clamp(72px, 9vw, 120px);
  border-bottom: 1px solid var(--gray-100);
  position: relative;
  overflow: hidden;
}
.cat-hero::before {
  content: '';
  position: absolute; right: -8%; top: 50%;
  transform: translateY(-50%);
  width: 50%; height: 80%;
  background: url('assets/peixe.svg') no-repeat right center / contain;
  opacity: 0.35;
}
.cat-hero__inner { position: relative; max-width: 720px; }
.cat-hero__crumbs {
  display: flex; align-items: center; gap: 10px;
  font-size: 11px; letter-spacing: 0.14em; font-weight: 900;
  text-transform: uppercase; color: var(--gray-500);
  margin-bottom: 32px;
}
.cat-hero__crumbs a {
  color: var(--gray-500); text-decoration: none;
  transition: color var(--dur-fast);
}
.cat-hero__crumbs a:hover { color: var(--navy-900); }
.cat-hero__crumbs span[aria-hidden] { opacity: 0.4; }
.cat-hero__crumbs span:last-child { color: var(--navy-900); }
.cat-hero__title {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(48px, 6vw, 88px);
  line-height: 0.98; letter-spacing: -0.025em;
  color: var(--navy-900);
  margin: 16px 0 24px;
}
.cat-hero__title em { font-style: italic; font-weight: 400; color: var(--blue-400); }
.cat-hero__lede {
  font-size: 17px; line-height: 1.6; color: var(--gray-700);
  max-width: 52ch; margin: 0;
}
.cat-hero__stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  margin-top: 48px; padding-top: 32px;
  border-top: 1px solid var(--gray-100);
}
.cat-hero__stats div { display: flex; flex-direction: column; gap: 4px; }
.cat-hero__stats b {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(28px, 3vw, 42px); line-height: 1;
  color: var(--navy-900); letter-spacing: -0.02em;
}
.cat-hero__stats span {
  font-size: 12px; color: var(--gray-500); letter-spacing: 0.04em;
}

/* --- Grid ----------------------------------------------------------------- */

.cat-grid { padding-block: clamp(64px, 8vw, 96px); }

.cat-grid__filters {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-bottom: 48px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--gray-100);
}
.cat-filter {
  background: var(--white);
  border: 1.5px solid var(--gray-100);
  color: var(--navy-900);
  padding: 10px 18px;
  border-radius: 999px;
  font-family: var(--font-body); font-weight: 900;
  font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase;
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px;
  transition: all var(--dur-base) var(--ease-out);
}
.cat-filter:hover { border-color: var(--navy-900); }
.cat-filter.is-active { background: var(--navy-900); color: var(--white); border-color: var(--navy-900); }
.cat-filter__count {
  background: rgba(0,0,0,0.06);
  padding: 2px 8px; border-radius: 999px;
  font-size: 10px; letter-spacing: 0;
}
.cat-filter.is-active .cat-filter__count { background: rgba(255,255,255,0.15); color: var(--white); }

.cat-grid__items {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}

.cat-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform 350ms var(--ease-out), box-shadow 350ms;
}
.cat-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.cat-item__visual {
  aspect-ratio: 16/10;
  position: relative;
  display: flex; align-items: center; justify-content: center;
  padding: 28px;
}
.cat-item--cream .cat-item__visual { background: var(--cream-50); color: var(--navy-900); }
.cat-item--sea   .cat-item__visual { background: var(--blue-400); color: var(--white); }
.cat-item--navy  .cat-item__visual { background: var(--navy-900); color: var(--blue-300); }
.cat-item__visual svg { width: 70%; height: auto; opacity: 0.7; }

.cat-item__code {
  position: absolute; top: 16px; left: 18px;
  font-size: 10px; font-weight: 900; letter-spacing: 0.16em;
  color: currentColor; opacity: 0.6;
}
.cat-item__pill {
  position: absolute; top: 16px; right: 16px;
  padding: 4px 10px; border-radius: 999px;
  background: rgba(255,255,255,0.85);
  color: var(--navy-900);
  font-size: 9px; font-weight: 900; letter-spacing: 0.14em; text-transform: uppercase;
}
.cat-item--cream .cat-item__pill { background: var(--navy-900); color: var(--white); }

.cat-item__body { padding: 22px; display: flex; flex-direction: column; gap: 14px; }
.cat-item__name {
  font-family: var(--font-display); font-weight: 900;
  font-size: 19px; line-height: 1.2; letter-spacing: -0.005em;
  color: var(--navy-900); margin: 0;
}
.cat-item__specs {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
  margin: 0; padding: 14px 0 4px;
  border-top: 1px solid var(--gray-100);
}
.cat-item__specs > div { padding-right: 8px; }
.cat-item__specs dt {
  font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--gray-500); margin-bottom: 4px;
}
.cat-item__specs dd {
  font-size: 12px; font-weight: 900;
  color: var(--navy-900); margin: 0;
}
.cat-item .btn-link { margin-top: 4px; align-self: flex-start; font-size: 10px; }

@media (max-width: 960px) {
  .cat-grid__items { grid-template-columns: repeat(2, 1fr); }
  .cat-hero__stats { grid-template-columns: repeat(2, 1fr); }
  .cat-header__crumbs { display: none; }
}
@media (max-width: 560px) {
  .cat-grid__items { grid-template-columns: 1fr; }
  .cat-hero__stats { grid-template-columns: 1fr; }
}