/* =====================================================================
   Nivel Electrónica — estilos del sitio (sobre Bootstrap 5.3)
   Paleta tomada del sitio original: grafito + naranja del logo.
   ===================================================================== */
:root {
  --ne-accent: #f08a00;
  --ne-accent-dark: #c96f00;
  --ne-ink: #23272b;
  --ne-graphite: #313539;
  --ne-graphite-2: #4b4b4d;
  --ne-soft: #f4f5f6;
  --ne-line: #e3e5e8;
  --bs-body-font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --bs-body-color: #2c3136;
  --bs-link-color: var(--ne-accent-dark);
  --bs-link-color-rgb: 201, 111, 0;
  --bs-link-hover-color: #9a5500;
  --bs-border-radius: .5rem;
}

body { background: #fff; -webkit-font-smoothing: antialiased; }
h1, h2, h3, .h1, .h2, .h3 { color: var(--ne-ink); letter-spacing: -.01em; }
.text-accent { color: var(--ne-accent) !important; }
.bg-soft { background: var(--ne-soft); }
.skip-link { position: absolute; z-index: 2000; top: .5rem; left: .5rem; background: #fff; padding: .5rem 1rem; }
.min-w-0 { min-width: 0; }

/* ---------- Botones */
.btn-accent {
  --bs-btn-color: #fff; --bs-btn-bg: var(--ne-accent); --bs-btn-border-color: var(--ne-accent);
  --bs-btn-hover-color: #fff; --bs-btn-hover-bg: var(--ne-accent-dark); --bs-btn-hover-border-color: var(--ne-accent-dark);
  --bs-btn-active-color: #fff; --bs-btn-active-bg: #a85d00; --bs-btn-active-border-color: #a85d00;
  --bs-btn-focus-shadow-rgb: 240, 138, 0; font-weight: 600;
}
.link-accent { color: var(--ne-accent-dark); font-weight: 600; text-decoration: none; }
.link-accent:hover { text-decoration: underline; }

/* ---------- Topbar + header */
.topbar { background: var(--ne-graphite); color: #c1c5c9; font-size: .8rem; padding: .35rem 0; }
.lang-switch a { color: inherit; text-decoration: none; padding: .1rem .4rem; border-radius: .25rem; font-weight: 600; font-size: .78rem; }
.lang-switch a.active, .lang-switch a:hover { background: var(--ne-accent); color: #fff; }
.site-header { background: rgba(255, 255, 255, .97); border-bottom: 1px solid var(--ne-line); backdrop-filter: saturate(180%) blur(6px); }
.site-header .navbar { padding: .7rem 0; }
.site-header .navbar-brand img { height: 32px; width: auto; }
.site-header .nav-link { color: var(--ne-graphite-2); font-weight: 500; padding: .5rem .85rem !important; position: relative; }
.site-header .nav-link:hover { color: var(--ne-ink); }
.site-header .nav-link.active { color: var(--ne-ink); }
.site-header .nav-link.active::after { content: ""; position: absolute; left: .85rem; right: .85rem; bottom: .1rem; height: 2px; background: var(--ne-accent); }
.site-header .lang-switch a { color: var(--ne-graphite-2); }

/* ---------- Hero */
.hero { background: radial-gradient(1200px 500px at 85% 20%, #4a4f55 0%, var(--ne-graphite) 45%, #1f2225 100%); color: #e9ecef; padding: 4rem 0 3.5rem; }
.hero h1 { color: #fff; }
.hero .lead { color: #c9cdd1; }
.eyebrow { display: inline-block; text-transform: uppercase; letter-spacing: .12em; font-size: .75rem; font-weight: 700; color: var(--ne-accent); margin-bottom: .75rem; }
.hero-slide { display: block; position: relative; padding: 0 0 4.75rem; text-align: center; text-decoration: none; }
/* Sin fondo: el producto (PNG con transparencia) se funde con el gris del hero.
   El reflejo inferior se desvanece con una máscara para que no se note el recorte. */
.hero-slide img { max-width: 100%; height: auto; max-height: 300px; object-fit: contain;
  filter: drop-shadow(0 18px 28px rgba(0, 0, 0, .45));
  -webkit-mask-image: linear-gradient(to bottom, #000 70%, rgba(0, 0, 0, .35) 86%, transparent 100%);
          mask-image: linear-gradient(to bottom, #000 70%, rgba(0, 0, 0, .35) 86%, transparent 100%); }
.hero-caption { position: absolute; left: 0; right: 0; bottom: 0; padding: .9rem 1.25rem; background: linear-gradient(90deg, var(--ne-accent), #ffa630); color: #fff; border-radius: .75rem; text-align: left; box-shadow: 0 10px 30px rgba(0, 0, 0, .3); }
.hero-caption strong { display: block; font-size: 1.05rem; }
.hero-caption small { opacity: .95; }
#heroCarousel .carousel-indicators { bottom: -2.2rem; }
#heroCarousel .carousel-indicators [data-bs-target] { background-color: #fff; }

.stats .stat { border-left: 3px solid var(--ne-accent); text-align: left; padding: .25rem 0 .25rem 1rem; }
.stats .stat strong { display: block; font-size: 1.6rem; color: var(--ne-ink); line-height: 1.1; }
.stats .stat span { color: #6b7075; font-size: .9rem; }

.section-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.section-head h2 { margin: 0; font-size: 1.6rem; }

/* ---------- Cards de producto */
.product-card { border: 1px solid var(--ne-line); transition: transform .15s ease, box-shadow .15s ease; overflow: hidden; }
.product-card:hover { transform: translateY(-3px); box-shadow: 0 12px 28px rgba(35, 39, 43, .12); }
.product-card-img { display: flex; align-items: center; justify-content: center; aspect-ratio: 4 / 3; background: #fff; padding: 1rem; border-bottom: 1px solid var(--ne-line); }
.product-card-img img { max-width: 100%; max-height: 100%; object-fit: contain; }
.product-card .card-title a { color: var(--ne-ink); text-decoration: none; }
.product-card:hover .card-title a { color: var(--ne-accent-dark); }
.badge-linea { display: inline-block; font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 700; color: var(--ne-accent-dark); background: #fff3e3; border-radius: 999px; padding: .2rem .6rem; }

/* ---------- Encabezado de página */
.page-head { background: var(--ne-soft); border-bottom: 1px solid var(--ne-line); padding: 2.25rem 0 2rem; }
.page-head-sm { padding: 1rem 0 .25rem; }
.page-head h1 { font-size: 2rem; font-weight: 700; }
.page-head .lead { color: #5d6267; font-size: 1.1rem; }
.page-head .breadcrumb { font-size: .85rem; margin-bottom: .5rem; }
.page-head .breadcrumb a { color: #6b7075; text-decoration: none; }
.page-head-portal { background: linear-gradient(120deg, var(--ne-graphite), #1f2225); color: #dfe2e5; border: 0; }
.page-head-portal h1 { color: #fff; }

.filter-pills { display: flex; flex-wrap: wrap; gap: .5rem; }

/* ---------- Ficha de producto */
.gallery-main { background: #fff; border: 1px solid var(--ne-line); border-radius: 1rem; padding: 1.5rem; margin: 0; text-align: center; min-height: 320px; display: flex; flex-direction: column; justify-content: center; align-items: center; }
.gallery-main img { max-width: 100%; max-height: 380px; object-fit: contain; }
.gallery-main figcaption { margin-top: .75rem; font-size: .85rem; color: #6b7075; }
.gallery-empty { font-size: 5rem; color: #ced2d6; }
.gallery-thumbs { display: flex; gap: .5rem; margin-top: .75rem; flex-wrap: wrap; }
.gallery-thumbs button { width: 84px; height: 64px; border: 2px solid var(--ne-line); border-radius: .5rem; background: #fff; padding: .25rem; }
.gallery-thumbs button.active, .gallery-thumbs button:hover { border-color: var(--ne-accent); }
.gallery-thumbs img { max-width: 100%; max-height: 100%; object-fit: contain; }
.product-summary { font-size: 1.05rem; color: #3b4045; }
.product-summary strong { color: var(--ne-ink); }
.private-box { border: 1px dashed var(--ne-accent); background: #fffaf2; border-radius: .75rem; padding: 1rem 1.25rem; }
.private-box li { padding: .2rem 0; }

.spec-card { background: #fff; border: 1px solid var(--ne-line); border-radius: 1rem; padding: 1.5rem; }
.spec-card h2, .spec-card h3 { font-size: 1.1rem; font-weight: 700; padding-bottom: .6rem; margin-bottom: 1rem; border-bottom: 2px solid var(--ne-accent); display: inline-block; }
.spec-card ul { padding-left: 1.1rem; }
.spec-card ul li { margin-bottom: .3rem; }
dl.features { margin: 0; }
dl.features dt { font-weight: 700; color: var(--ne-ink); position: relative; padding-left: 1.1rem; }
dl.features dt::before { content: ""; position: absolute; left: 0; top: .5em; width: .5rem; height: .5rem; background: var(--ne-accent); border-radius: 2px; }
dl.features dd { margin: .2rem 0 1rem 1.1rem; color: #4b5055; }
dl.features dd:last-child { margin-bottom: 0; }

.prose { font-size: 1.05rem; line-height: 1.7; }
.prose ul li { margin-bottom: .4rem; }

/* ---------- CTA instaladores */
.cta-installers { background: var(--ne-graphite); color: #d6d9dc; padding: 3rem 0; }
.cta-installers h2 { color: #fff; }

/* ---------- Descargas */
.downloads-table thead th { font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; color: #6b7075; }

/* ---------- Formularios */
.contact-form .step { border: 1px solid var(--ne-line); border-radius: 1rem; padding: 1.25rem 1.5rem 1.5rem; margin-bottom: 1.25rem; }
.contact-form legend { float: none; width: auto; font-size: 1.05rem; font-weight: 700; padding: 0 .5rem; margin-left: -.5rem; color: var(--ne-ink); }
.contact-form legend span { display: inline-flex; width: 1.7rem; height: 1.7rem; align-items: center; justify-content: center; background: var(--ne-accent); color: #fff; border-radius: 50%; font-size: .9rem; margin-right: .35rem; }
.form-control:focus, .form-select:focus, .form-check-input:focus { border-color: #f6b65e; box-shadow: 0 0 0 .2rem rgba(240, 138, 0, .2); }
.form-check-input:checked { background-color: var(--ne-accent); border-color: var(--ne-accent); }
.hp-field { position: absolute !important; left: -10000px !important; width: 1px; height: 1px; overflow: hidden; }
.captcha-img { background: #fafaf8; image-rendering: auto; }
.captcha-input { max-width: 150px; letter-spacing: .25em; font-weight: 700; }
.captcha-box.has-error .captcha-input { border-color: var(--bs-danger); }

/* ---------- Login / portal */
.login-wrap { padding: 4rem 0; background: linear-gradient(180deg, var(--ne-soft), #fff); }
.login-card { border: 1px solid var(--ne-line); border-radius: 1rem; }
.login-icon { display: inline-flex; width: 64px; height: 64px; border-radius: 50%; align-items: center; justify-content: center; font-size: 1.8rem; background: #fff3e3; color: var(--ne-accent-dark); }
.portal-card { border: 1px solid var(--ne-line); border-radius: 1rem; overflow: hidden; }
.portal-card .card-header { background: #fff; border-bottom: 2px solid var(--ne-accent); padding: 1rem 1.25rem; }
.portal-card .list-group-item { padding: .85rem 1.25rem; }
.portal-search { min-width: 280px; }
.tipo { font-weight: 600; }
.tipo-software { color: #0b6bcb; } .tipo-diagrama { color: #6f42c1; } .tipo-plano { color: #198754; } .tipo-documentacion { color: #6b7075; }
.accesorios summary { cursor: pointer; font-weight: 600; }
.accesorios ul { margin: .5rem 0 0; padding-left: 1.2rem; }

/* ---------- Footer */
.site-footer { background: #1f2225; color: #a9aeb3; padding: 3rem 0 1.5rem; margin-top: 0; }
.site-footer h2 { color: #fff; text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; margin-bottom: 1rem; }
.site-footer a { color: #d6d9dc; text-decoration: none; }
.site-footer a:hover { color: var(--ne-accent); }
.site-footer li { margin-bottom: .35rem; }
.footer-brand { color: #fff; font-weight: 800; font-size: 1.35rem; letter-spacing: -.01em; }
.footer-brand span { color: var(--ne-accent); }
.footer-bottom { border-top: 1px solid #34383c; margin-top: 2rem; padding-top: 1.25rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: .75rem; font-size: .85rem; }
.footer-bottom .lang-switch a { color: #a9aeb3; }
.footer-bottom .lang-switch a.active { color: #fff; }

/* ---------- Admin */
body.admin { background: #f6f7f9; }
.admin-nav { background: #fff; border-bottom: 1px solid var(--ne-line); }
.admin-nav .nav-link { color: var(--ne-graphite-2); font-weight: 500; }
.admin-nav .nav-link.active { color: var(--ne-accent-dark); }
.admin .card { border-color: var(--ne-line); }
.kpi .card-body { display: flex; flex-direction: column; gap: .15rem; }
.kpi i { color: var(--ne-accent); font-size: 1.4rem; }
.kpi strong { font-size: 1.8rem; color: var(--ne-ink); line-height: 1.1; }
.kpi span { color: #6b7075; font-size: .85rem; }
.kpi:hover { border-color: var(--ne-accent); }
.badge.cat-publico { background: #e9ecef; color: #495057; }
.badge.cat-taxi, .badge.rol-taxi { background: #fff3cd; color: #7a5a00; }
.badge.cat-taco, .badge.rol-taco { background: #d7ecff; color: #0b4f8a; }
.badge.cat-ambos, .badge.rol-ambos { background: #e2f5e9; color: #146c43; }
.badge.rol-admin { background: #f8d7da; color: #842029; }

@media (max-width: 991.98px) {
  .site-header .nav-link.active::after { display: none; }
  .hero { padding: 2.5rem 0 3.5rem; }
}
@media (prefers-reduced-motion: reduce) {
  .product-card, .product-card:hover { transition: none; transform: none; }
}
@media print {
  .topbar, .site-header, .site-footer, .cta-installers, .btn { display: none !important; }
}