/* =============================================================
   super-topes-viales.css
   Estilos específicos; depende de _shared.css. Todo bajo .np-page.
   ============================================================= */

/* -------- Hero -------- */
.np-hero {
  min-height: 100vh;
  background-color: var(--np-color-dark);
  color: var(--np-color-white);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--np-header-height) + var(--np-space-6)) var(--np-space-4) var(--np-space-6);
}
.np-hero h1 {
  font-size: var(--np-fs-2xl);
  letter-spacing: var(--np-ls-md);
  font-weight: 900;
  margin-bottom: var(--np-space-3);
  max-width: 850px;
}
.np-hero__lead {
  font-family: var(--np-font-text);
  font-size: var(--np-fs-md);
  line-height: var(--np-lh-base);
  max-width: 680px;
  margin-bottom: var(--np-space-5);
  text-transform: none;
  letter-spacing: 0;
  color: rgba(255, 255, 255, 0.85);
}
.np-hero__index-label {
  font-family: var(--np-font-ui);
  font-weight: 600;
  letter-spacing: var(--np-ls-md);
  font-size: var(--np-fs-sm);
  text-transform: uppercase;
  color: var(--np-color-primary);
  margin-bottom: var(--np-space-3);
}
.np-hero__index {
  display: flex;
  flex-wrap: wrap;
  gap: var(--np-space-2);
}
.np-hero__index a {
  font-family: var(--np-font-ui);
  font-weight: 600;
  font-size: var(--np-fs-xs);
  letter-spacing: var(--np-ls-sm);
  text-transform: uppercase;
  text-decoration: none;
  color: var(--np-color-white);
  background-color: rgba(255, 111, 0, 0.12);
  border: 1px solid rgba(255, 111, 0, 0.6);
  padding: 8px 14px;
  border-radius: 999px;
  transition: background-color 200ms ease, color 200ms ease, border-color 200ms ease;
}
.np-hero__index a:hover,
.np-hero__index a:focus-visible {
  background-color: var(--np-color-primary);
  color: var(--np-color-dark);
  border-color: var(--np-color-primary);
}
@media (min-width: 768px) {
  .np-hero h1    { font-size: var(--np-fs-hero); letter-spacing: var(--np-ls-md); }
  .np-hero__lead { font-size: var(--np-fs-lg); }
}

/* -------- Breadcrumbs -------- */
.np-breadcrumbs {
  background-color: var(--np-color-light);
  padding: var(--np-space-3) var(--np-space-4);
  border-bottom: 1px solid rgba(33, 33, 33, 0.08);
}
.np-breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--np-space-2);
  list-style: none;
  padding: 0;
  margin: 0;
  max-width: var(--np-container-max);
  margin-inline: auto;
  font-family: var(--np-font-ui);
  font-size: var(--np-fs-xs);
  text-transform: uppercase;
  letter-spacing: var(--np-ls-sm);
}
.np-breadcrumbs li + li::before {
  content: "›";
  margin-right: var(--np-space-2);
  color: var(--np-color-dark);
  opacity: 0.5;
}
.np-breadcrumbs a {
  color: var(--np-color-dark);
  text-decoration: none;
}
.np-breadcrumbs a:hover { color: var(--np-color-primary); }
.np-breadcrumbs [aria-current="page"] {
  color: var(--np-color-accent);
  font-weight: 700;
}

/* -------- Sections base -------- */
.np-section {
  padding: var(--np-space-7) var(--np-space-4);
}
.np-section__title {
  font-family: var(--np-font-ui);
  font-weight: 700;
  font-size: var(--np-fs-xl);
  letter-spacing: var(--np-ls-md);
  text-transform: uppercase;
  text-align: center;
  max-width: 820px;
  margin: 0 auto var(--np-space-3) auto;
}
.np-section__title::after {
  content: "";
  display: block;
  width: 56px;
  height: 4px;
  background-color: var(--np-color-primary);
  margin: var(--np-space-3) auto 0 auto;
  border-radius: 2px;
}
.np-section__lead {
  font-family: var(--np-font-text);
  font-size: var(--np-fs-base);
  line-height: var(--np-lh-base);
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--np-space-5) auto;
  text-transform: none;
  letter-spacing: 0;
  color: rgba(33, 33, 33, 0.78);
}
@media (min-width: 768px) {
  .np-section__title { font-size: var(--np-fs-2xl); }
  .np-section__lead  { font-size: var(--np-fs-md); }
}

/* -------- Intro descriptiva -------- */
.np-intro {
  background-color: var(--np-color-white);
}
.np-intro p {
  max-width: 720px;
  margin: 0 auto var(--np-space-3) auto;
  line-height: 1.7;
  font-size: var(--np-fs-base);
}
@media (min-width: 768px) {
  .np-intro p { font-size: var(--np-fs-md); }
}

/* -------- Grid de productos -------- */
.np-products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--np-space-4);
  max-width: var(--np-container-max);
  margin: 0 auto;
}
.np-product-card {
  background-color: var(--np-color-white);
  border-radius: var(--np-radius-lg);
  box-shadow: var(--np-shadow-md);
  padding: var(--np-space-3);
  display: flex;
  flex-direction: column;
  font-family: var(--np-font-ui);
  transition: transform 250ms ease, box-shadow 250ms ease;
}
.np-product-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--np-shadow-lg);
}
.np-product-card__media {
  background-color: var(--np-color-light);
  border-radius: var(--np-radius-md);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--np-space-3);
  margin-bottom: var(--np-space-3);
  overflow: hidden;
  aspect-ratio: 1 / 1;
}
.np-product-card__media img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: transform 350ms ease;
}
.np-product-card:hover .np-product-card__media img {
  transform: scale(1.05);
}
.np-product-card__name {
  font-weight: 900;
  font-size: var(--np-fs-md);
  letter-spacing: var(--np-ls-sm);
  text-transform: uppercase;
  margin-bottom: var(--np-space-2);
  line-height: var(--np-lh-tight);
}
.np-product-card__dim {
  font-family: var(--np-font-text);
  font-size: var(--np-fs-sm);
  color: rgba(33, 33, 33, 0.65);
  margin-bottom: var(--np-space-2);
  letter-spacing: 0;
  text-transform: none;
}
.np-product-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: var(--np-space-2);
}
.np-tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: var(--np-ls-sm);
  text-transform: uppercase;
}
/* Variantes de material */
.np-tag--abs        { background: #fff3cd; color: #856404; }   /* amarillo (color natural del ABS) */
.np-tag--inox       { background: #e3e8ee; color: #2c3e50; }   /* gris metálico */
.np-tag--aluminio   { background: #ecf0f1; color: #555;    }   /* gris claro */
/* Variantes de configuración */
.np-tag--liso       { background: var(--np-color-neutral-bg);  color: var(--np-color-neutral-fg); }
.np-tag--esferas    { background: var(--np-color-warm-bg);     color: var(--np-color-warm-fg); }
.np-tag--prismas    { background: #cfe6f5;                     color: #1c5a86; }
.np-tag--alto       { background: var(--np-color-success-bg);  color: var(--np-color-success-fg); }

/* -------- Características / Ventajas -------- */
.np-features { background-color: var(--np-color-white); }
.np-features__list {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  max-width: var(--np-container-max);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--np-space-4);
  font-family: var(--np-font-text);
}
.np-features__list li {
  background-color: var(--np-color-light);
  border-radius: var(--np-radius-md);
  padding: var(--np-space-4);
  border-left: 4px solid var(--np-color-primary);
  font-size: var(--np-fs-base);
  line-height: var(--np-lh-base);
  transition: transform 200ms ease, box-shadow 200ms ease;
}
.np-features__list li:hover {
  transform: translateY(-2px);
  box-shadow: var(--np-shadow-sm);
}
.np-features__list strong {
  font-family: var(--np-font-ui);
  display: block;
  font-weight: 700;
  font-size: var(--np-fs-md);
  letter-spacing: var(--np-ls-sm);
  text-transform: uppercase;
  margin-bottom: var(--np-space-2);
  color: var(--np-color-dark);
}
@media (min-width: 992px) {
  .np-features__list { grid-template-columns: repeat(3, 1fr); }
}

/* -------- Aplicaciones -------- */
.np-applications__grid {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  max-width: var(--np-container-max);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  grid-auto-rows: 1fr;
  gap: var(--np-space-3);
  text-align: center;
}
@media (min-width: 768px) {
  .np-applications__grid { grid-template-columns: repeat(4, 1fr); }
}
.np-applications__grid li {
  background-color: var(--np-color-white);
  border-radius: var(--np-radius-md);
  padding: var(--np-space-4) var(--np-space-3);
  font-family: var(--np-font-ui);
  font-weight: 500;
  font-size: var(--np-fs-sm);
  letter-spacing: var(--np-ls-sm);
  text-transform: uppercase;
  box-shadow: var(--np-shadow-sm);
  transition: transform 200ms ease, box-shadow 200ms ease, color 200ms ease;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 90px;
}
.np-applications__grid li:hover {
  transform: translateY(-2px);
  box-shadow: var(--np-shadow-md);
  color: var(--np-color-primary);
}

/* -------- Categorías relacionadas -------- */
.np-catrel {
  background-color: var(--np-color-primary-hover);
  color: var(--np-color-dark);
}
.np-catrel .np-section__title { color: var(--np-color-dark); }
.np-catrel__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--np-space-4);
  max-width: var(--np-container-max);
  margin: 0 auto;
}
.np-catrel__card {
  position: relative;
  display: flex;
  flex-direction: column;
  background-color: var(--np-color-white);
  border-radius: var(--np-radius-lg);
  padding: 0 0 var(--np-space-3) 0;
  text-decoration: none;
  color: var(--np-color-dark);
  box-shadow: var(--np-shadow-md);
  transition: transform 250ms ease, box-shadow 250ms ease;
  overflow: hidden;
  font-family: var(--np-font-ui);
}
.np-catrel__card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background-color: var(--np-color-primary);
  transition: width 250ms ease;
  z-index: 1;
}
.np-catrel__card:hover,
.np-catrel__card:focus-visible {
  transform: translateY(-4px);
  box-shadow: var(--np-shadow-lg);
}
.np-catrel__card:hover::before,
.np-catrel__card:focus-visible::before { width: 8px; }
.np-catrel__media {
  width: 100%;
  aspect-ratio: 4 / 3;
  background-color: var(--np-color-light);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--np-space-3);
  overflow: hidden;
  margin-bottom: var(--np-space-3);
}
.np-catrel__media img {
  max-width: 80%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: transform 350ms ease;
}
.np-catrel__card:hover .np-catrel__media img,
.np-catrel__card:focus-visible .np-catrel__media img { transform: scale(1.06); }
.np-catrel__title {
  font-weight: 900;
  font-size: var(--np-fs-md);
  letter-spacing: var(--np-ls-sm);
  text-transform: uppercase;
  margin-bottom: var(--np-space-2);
  padding: 0 var(--np-space-4);
}
.np-catrel__desc {
  font-family: var(--np-font-text);
  font-size: var(--np-fs-sm);
  line-height: var(--np-lh-base);
  margin-bottom: var(--np-space-3);
  color: var(--np-color-dark);
  opacity: 0.75;
  flex-grow: 1;
  padding: 0 var(--np-space-4);
}
.np-catrel__arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--np-font-ui);
  font-weight: 700;
  font-size: var(--np-fs-xs);
  letter-spacing: var(--np-ls-sm);
  text-transform: uppercase;
  color: var(--np-color-accent);
  transition: gap 200ms ease, color 200ms ease;
  margin-top: auto;
  padding: 0 var(--np-space-4);
  width: max-content;
}
.np-catrel__arrow::after {
  content: "→";
  font-size: 1rem;
  line-height: 1;
  transition: transform 200ms ease;
}
.np-catrel__card:hover .np-catrel__arrow {
  gap: 14px;
  color: var(--np-color-primary);
}
.np-catrel__card:hover .np-catrel__arrow::after { transform: translateX(2px); }

/* -------- Responsive tweaks (mobile-first overrides) -------- */

@media (max-width: 767px) {
  .np-hero h1            { font-size: var(--np-fs-xl); letter-spacing: var(--np-ls-sm); }
  .np-section__title     { font-size: var(--np-fs-lg); letter-spacing: var(--np-ls-sm); }
}

@media (max-width: 480px) {
  .np-hero               { padding: calc(var(--np-header-height) + var(--np-space-5)) var(--np-space-3) var(--np-space-5); }
  .np-hero h1            { font-size: var(--np-fs-lg); letter-spacing: 1px; }
  .np-section            { padding: var(--np-space-6) var(--np-space-3); }
  .np-section__title     { font-size: var(--np-fs-md); letter-spacing: 1px; }
  .np-product-card__name { font-size: var(--np-fs-base); }
  .np-hero__index a      { font-size: 0.6rem; padding: 6px 12px; }
  .np-products-grid      { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
  .np-catrel__grid       { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
}

@media (max-width: 420px) {
  .np-page .np-section__title { font-size: 1.1rem !important; letter-spacing: 0; font-weight: 700; }
  .np-section            { padding: var(--np-space-5) var(--np-space-3); }
  .np-products-grid      { grid-template-columns: 1fr; }
  .np-catrel__grid       { grid-template-columns: 1fr; }
  .np-applications__grid { grid-template-columns: repeat(2, 1fr); }
  .np-breadcrumbs ol     { font-size: 0.6rem; gap: 6px; }
}

@media (max-width: 340px) {
  .np-section__title     { font-size: var(--np-fs-sm); }
  .np-product-card__name { font-size: var(--np-fs-sm); }
}