/* ==========================================================================
   nas.ird.net.br — estilo global
   Paleta da marca IRD.Net: laranja #E76E33 · preto #000000 · branco #FFFFFF
   Fonte: Source Sans 3 (peso Black nos títulos) — mesma família já usada em
   produção no ird.net.br (loja Tray), não a Neue Helvetica do brand manual
   (que não está licenciada em nenhum ativo real da marca hoje).
   Sistema de design próprio da IRD — tokens de cor/fonte na paleta oficial
   da marca, --dark em preto de verdade (a IRD é literalmente
   preto/branco/laranja, sem "grafite").
   ========================================================================== */

:root {
  --orange: #e76e33;
  --orange-dark: #c2551f;
  --orange-soft: rgba(231, 110, 51, 0.12);
  --dark: #0d0d0d;
  --dark-2: #171717;
  --dark-3: #1f1f1f;
  --light: #f6f6f5;
  --white: #ffffff;
  --text: #1a1a1a;
  --text-soft: #5c5c5c;
  --text-on-dark: #f2f2f0;
  --text-on-dark-soft: #b0b0ad;
  --border: #e4e2df;
  --surface: #f7f6f4;
  --radius: 14px;
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.12);
  --font: 'Source Sans 3', 'Source Sans Pro', 'Segoe UI', Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; }

a { color: var(--orange-dark); }

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- tipografia de seção ---------- */

.section-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange-dark);
  margin-bottom: 14px;
}

h1, h2, h3 { font-weight: 900; } /* peso "Black" — bate com o manual de marca */

h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: 18px;
}

.section-intro {
  max-width: 720px;
  font-size: 1.06rem;
  color: var(--text-soft);
  margin-bottom: 48px;
}

section { padding: 96px 0; }

.on-dark { background: var(--dark); color: var(--text-on-dark); }
.on-dark h2 { color: var(--white); }
.on-dark .section-intro { color: var(--text-on-dark-soft); }
.on-light { background: var(--light); }

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13, 13, 13, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header .container,
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  text-decoration: none;
}

.brand img, .brand svg { height: 32px; width: auto; display: block; }

.brand-sub {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--orange);
  border-left: 1px solid rgba(255, 255, 255, 0.25);
  padding-left: 12px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.main-nav a {
  color: var(--text-on-dark-soft);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  transition: color 0.2s ease;
}

.main-nav a:hover { color: var(--white); }

.nav-toggle { display: none; }

/* ---------- hero ---------- */

.hero {
  position: relative;
  background:
    radial-gradient(ellipse 55% 60% at 82% 8%, rgba(231, 110, 51, 0.18), transparent 65%),
    linear-gradient(160deg, #1a1a1a 0%, var(--dark) 55%, #000000 100%);
  color: var(--text-on-dark);
  padding: 72px 0 96px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 80% at 50% 20%, #000 30%, transparent 80%);
  pointer-events: none;
}

.hero .container { position: relative; }

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
  border: 1px solid rgba(231, 110, 51, 0.5);
  border-radius: 999px;
  padding: 8px 18px;
  margin-bottom: 30px;
  overflow-wrap: anywhere;
}

.hero h1 {
  font-size: clamp(2.2rem, 5.4vw, 3.9rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--white);
  max-width: 850px;
}

.hero h1 em {
  font-style: normal;
  color: var(--orange);
}

.hero-sub {
  margin-top: 26px;
  max-width: 640px;
  font-size: 1.15rem;
  color: var(--text-on-dark-soft);
}

.hero-actions {
  margin-top: 42px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* Selos do hero — classe usada no HTML das 5 páginas mas nunca estilizada
   (achado numa revisão visual: apareciam como texto solto, sem pill). */
.hero-badges {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-on-dark);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(231, 110, 51, 0.45);
  border-radius: 999px;
  padding: 9px 18px;
}

.hero-badge strong { color: var(--orange); }

/* ---------- botões ---------- */

.btn {
  display: inline-block;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: 10px;
  padding: 15px 30px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.15s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn:hover { transform: translateY(-2px); }

/* laranja #E76E33 sobre branco/preto fica ~3.2:1 de contraste — não passa
   WCAG AA pra texto pequeno. Botão preenchido usa texto PRETO em cima do
   laranja (nunca branco), que é o par que passa. */
.btn-primary { background: var(--orange); color: #14100d; }
.btn-primary:hover { background: #f0844f; }

.btn-ghost { border-color: rgba(255, 255, 255, 0.35); color: var(--white); background: transparent; }
.btn-ghost:hover { border-color: var(--orange); color: var(--orange); }

.btn-ghost-claro { border-color: var(--border); color: var(--text); }
.btn-ghost-claro:hover { border-color: var(--orange-dark); color: var(--orange-dark); }

.btn-dark { background: var(--dark); color: var(--white); }
.btn-dark:hover { background: var(--dark-3); }

.btn-comprar {
  background: var(--orange);
  color: #14100d;
  border: 1px solid var(--orange);
  white-space: nowrap;
}
.btn-comprar:hover { background: var(--orange-dark); border-color: var(--orange-dark); color: #fff; }

.btn-wa { background: #25d366; color: #0b3d1f; }
.btn-wa:hover { background: #3ce27a; }

/* ---------- vitrine de produtos ---------- */

.products, .prod-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 26px;
}

.product-card, .prod-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.product-card:hover, .prod-card:hover { transform: translateY(-4px); border-color: var(--orange); }

.product-visual {
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  color: var(--dark);
  font-weight: 900;
  font-size: 1.15rem;
  letter-spacing: 0.06em;
}

.product-visual img { width: 100%; height: 100%; object-fit: contain; padding: 14px; }

.product-body, .prod-card { padding: 22px 22px 26px; }
.product-body { display: flex; flex-direction: column; flex: 1; }

.product-body .chip { align-self: flex-start; margin-bottom: 12px; }
.product-body h3, .prod-card h3 { font-size: 1.08rem; font-weight: 800; margin-bottom: 8px; color: var(--dark); }
.prod-card-name { margin: 0 0 8px; font-size: 0.84rem; color: var(--text-soft); }
.product-body p, .prod-card p { font-size: 0.9rem; color: var(--text-soft); flex: 1; margin: 0 0 10px; }

.product-link, .prod-card-go {
  margin-top: 16px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--orange-dark);
  text-decoration: none;
}

.product-link:hover { text-decoration: underline; }

.chip {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--dark);
  background: var(--orange-soft);
  border: 1px solid rgba(231, 110, 51, 0.4);
  border-radius: 999px;
  padding: 6px 14px;
}

/* selo "em breve" — Kickstarter/pré-venda, nunca com a mesma cor de CTA de
   compra ativa (o laranja é reservado pra "comprável agora"). */
.chip-em-breve {
  color: #6b4f10;
  background: #fff3d6;
  border: 1px solid #e8c766;
}

/* ---------- mapa de séries (home) ---------- */

.mapa-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr));
  margin-top: 26px;
}

.mapa-card {
  display: block;
  background: #fff;
  border: 1px solid var(--border);
  border-top: 4px solid var(--orange);
  border-radius: 12px;
  padding: 22px 22px 20px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.18s ease, transform 0.18s ease;
}
.mapa-card:hover { border-color: var(--orange); transform: translateY(-2px); }
.mapa-card h3 { margin: 0 0 2px; font-size: 1.12rem; color: var(--dark); }
.mapa-qtd {
  display: inline-block; margin-bottom: 10px;
  font-size: 0.74rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-soft);
}
.mapa-card p { font-size: 0.9rem; margin: 0 0 12px; color: var(--text-soft); }

/* ---------- tabela de especificação ---------- */

.table-wrap, .spec-table-wrap { overflow-x: auto; margin: 24px 0; border-radius: var(--radius); }
.spec-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; min-width: 640px; }
.spec-table th, .spec-table td {
  padding: 13px 16px; text-align: left; vertical-align: top;
  border-bottom: 1px solid var(--border);
}
.spec-table thead th { background: var(--dark); color: var(--white); font-size: 0.85rem; letter-spacing: 0.04em; }
/* Cor SÓLIDA, não var(--orange-soft) (translúcida) — essa tabela aparece
   dentro de seções .on-dark (uma por SKU), e um fundo translúcido compõe
   sobre o preto de trás em vez de branco, virando marrom escuro com texto
   escuro quase invisível em cima. Sólida funciona igual em qualquer seção. */
.spec-table tbody th { width: 34%; font-weight: 700; color: var(--dark); white-space: normal; background: #fceee6; }
.spec-table tbody tr:last-child th, .spec-table tbody tr:last-child td { border-bottom: none; }
.spec-note { font-size: 0.86rem; color: var(--text-soft); margin-top: 10px; }

.comp-table { min-width: 720px; border-collapse: collapse; }
.comp-table thead th { background: var(--dark); color: #fff; font-size: 0.76rem; text-align: left; padding: 10px 14px; vertical-align: bottom; }
.comp-table tbody th, .comp-table td { padding: 8px 14px; border-bottom: 1px solid var(--border); }
.comp-table tbody th[scope="row"] { white-space: nowrap; font-weight: 700; font-size: 0.8rem; }
.comp-table td { font-size: 0.8rem; vertical-align: top; }
.comp-table tbody tr:last-child th, .comp-table tbody tr:last-child td { border-bottom: none; }

/* ---------- callouts / cards de decisão ---------- */

/* Cards com fundo próprio (claro) precisam de cor de texto EXPLÍCITA —
   sem isso eles herdam a cor do texto ambiente da <section> em volta, que
   fica clara demais quando o card aparece dentro de uma section.on-dark
   (achado real: título e corpo quase invisíveis nos cards de "Catálogo" e
   "Perguntas frequentes" da home, e nas seções de aplicações/QA técnico
   das páginas de série — texto claro sobre fundo claro). */
.callout { border-radius: 10px; padding: 18px 20px; margin: 22px 0; color: var(--text); }
.callout h3 { margin: 0 0 6px; font-size: 1.02rem; color: var(--dark); }
.callout p { margin: 0; }
.callout-warn { background: #fff6e5; border-left: 4px solid #e8a33d; }

.decide-grid, .warn-grid { display: grid; gap: 16px; margin: 24px 0; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.decide-card, .warn-card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 18px 20px; color: var(--text); }
.decide-card h3, .warn-card h3 { margin: 0 0 8px; font-size: 1rem; color: var(--dark); }
.decide-card p, .warn-card p { margin: 0; font-size: 0.93rem; color: var(--text-soft); }
.decide-card-larga { grid-column: 1 / -1; margin-top: 14px; }
.rule-note { background: var(--surface); border-left: 4px solid var(--orange); padding: 14px 18px; border-radius: 0 8px 8px 0; color: var(--text); }

.app-item { padding: 18px 0; border-bottom: 1px solid var(--border); }
.app-item:last-child { border-bottom: none; }
.app-item h3 { margin: 0 0 8px; }

/* ---------- hero com foto de produto ---------- */

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 48px;
  align-items: center;
}
.hero-grid-solo { grid-template-columns: minmax(0, 1fr); }

.hero-figure {
  background: #ffffff;
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.45);
  max-width: 400px;
  margin-left: auto;
  margin-right: 0;
}
.hero-figure img { display: block; width: 100%; height: auto; max-height: 440px; object-fit: contain; }
.hero-legenda { display: block; margin-top: 12px; font-size: 0.78rem; line-height: 1.4; color: var(--text-soft); text-align: center; }

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); }
  .hero-figure { margin: 0 auto; max-width: 320px; }
}

/* ---------- diagramas próprios (guia de discos) ----------
   Cartão SEMPRE claro, com color explícito: o diagrama aparece tanto em
   .on-light quanto em .on-dark, e os textos dentro do SVG são pintados com
   cor fixa (não herdam currentColor) justamente pra não sumirem quando a
   seção em volta é escura. */

.diag {
  margin: 28px 0 0;
  padding: 26px 28px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
}

/* width:100% + height:auto com viewBox faz o desenho escalar junto do
   contêiner — em 375px ele encolhe em vez de estourar a largura do corpo. */
.diag-svg {
  display: block;
  width: 100%;
  height: auto;
  max-width: 620px;
  margin: 0 auto;
}

.diag-svg-larga { max-width: 660px; }

.diag-legenda {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text-soft);
}

.diag-legenda p { margin: 0 0 12px; }
.diag-legenda p:last-child { margin-bottom: 0; }
.diag-legenda strong { color: var(--dark); }

/* ---------- galeria ---------- */

.gal-grid { display: grid; gap: 14px; margin: 24px 0; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.gal-item { margin: 0; background: #fff; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.gal-item img { display: block; width: 100%; height: auto; background: #fbfcfc; }
.gal-item figcaption { padding: 10px 12px; font-size: 0.82rem; line-height: 1.35; color: var(--text-soft); border-top: 1px solid var(--border); }
.gal-credit { font-size: 0.8rem; color: var(--text-soft); margin-top: -6px; }

/* ---------- ponte para a loja ---------- */

.loja-cta {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px;
  margin-top: 26px; padding: 20px 24px; background: #fff; border: 1px solid var(--orange); border-radius: 12px;
}
.loja-cta h3 { margin: 0 0 4px; font-size: 1.02rem; color: var(--dark); }
.loja-cta p { margin: 0; font-size: 0.9rem; color: var(--text-soft); }
.loja-cta-lista { border-color: var(--border); }

@media (max-width: 560px) {
  .loja-cta { flex-direction: column; align-items: stretch; text-align: left; }
  .loja-cta .btn { text-align: center; }
}

/* ---------- páginas irmãs ---------- */

.sib-grid { display: grid; gap: 12px; margin-top: 20px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.sib-card { display: block; background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; text-decoration: none; color: inherit; }
.sib-card:hover { border-color: var(--orange); }
.sib-card strong { display: block; color: var(--dark); margin-bottom: 4px; }
.sib-card span { font-size: 0.86rem; color: var(--text-soft); }

/* ---------- contato ---------- */

.contact-wrap { display: grid; grid-template-columns: 1fr 1.4fr; gap: 60px; align-items: start; }
.contact-info h2 { color: var(--white); }
.contact-info p { color: var(--text-on-dark-soft); margin-bottom: 26px; }
.contact-detail { font-size: 0.95rem; color: var(--text-on-dark); margin-bottom: 10px; }
.contact-detail strong { color: var(--orange); }
.contact-detail a { color: var(--text-on-dark); }

.contact-form { background: var(--dark-2); border: 1px solid rgba(255, 255, 255, 0.08); border-radius: var(--radius); padding: 38px 34px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-size: 0.82rem; font-weight: 700; color: var(--text-on-dark); margin-bottom: 7px; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%; font-family: var(--font); font-size: 0.95rem; color: var(--white);
  background: var(--dark); border: 1px solid rgba(255, 255, 255, 0.16); border-radius: 9px; padding: 13px 14px;
  transition: border-color 0.2s ease;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { outline: none; border-color: var(--orange); }
.form-field textarea { resize: vertical; min-height: 120px; }

.form-status { display: none; margin-top: 16px; padding: 14px 16px; border-radius: 9px; font-size: 0.92rem; font-weight: 600; }
.form-status.ok { display: block; background: rgba(231, 110, 51, 0.15); border: 1px solid var(--orange); color: #ffd9bd; }
.form-status.err { display: block; background: rgba(220, 80, 80, 0.12); border: 1px solid #d97070; color: #f0b9b9; }

.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

/* ---------- footer ---------- */

.site-footer { background: #000000; color: var(--text-on-dark-soft); padding: 54px 0 40px; font-size: 0.88rem; }
.footer-grid { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; margin-bottom: 34px; }
.site-footer .brand img { height: 28px; }
.site-footer a { color: var(--text-on-dark-soft); }
.footer-legal { border-top: 1px solid rgba(255, 255, 255, 0.08); padding-top: 22px; font-size: 0.76rem; }

/* ---------- animação de entrada ---------- */

.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- responsivo ---------- */

@media (max-width: 960px) {
  .contact-wrap { grid-template-columns: 1fr; }
  .products, .prod-grid { grid-template-columns: 1fr 1fr; }
  .main-nav { display: none; }
  .nav-toggle {
    display: inline-flex; align-items: center; justify-content: center;
    background: none; border: 1px solid rgba(255, 255, 255, 0.25); border-radius: 8px;
    color: var(--white); font-size: 1.3rem; width: 42px; height: 42px; cursor: pointer;
  }
  .main-nav.open {
    display: flex; position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; background: var(--dark);
    padding: 18px 24px 24px; border-bottom: 1px solid rgba(255, 255, 255, 0.1); gap: 16px;
  }
}

@media (max-width: 640px) {
  section { padding: 68px 0; }
  .hero { padding: 48px 0 72px; }
  .products, .prod-grid, .mapa-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .brand-sub { display: none; }
}

/* ---------- dropdown "Guias" no nav ---------- */

.nav-dropdown { position: relative; }
.nav-dropdown-toggle {
  background: none; border: none; cursor: pointer; padding: 0; font-family: var(--font);
  color: var(--text-on-dark-soft); font-size: 0.88rem; font-weight: 600; display: inline-flex; align-items: center; gap: 5px;
  transition: color 0.2s ease;
}
.nav-dropdown-toggle:hover, .nav-dropdown:focus-within .nav-dropdown-toggle { color: var(--white); }
.nav-dropdown-toggle .caret { font-size: 0.7em; transition: transform 0.2s ease; }
.nav-dropdown:hover .caret, .nav-dropdown:focus-within .caret { transform: rotate(180deg); }
.nav-dropdown-menu {
  display: none; position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  margin-top: 20px; background: var(--dark-2); border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px; padding: 8px; min-width: 230px; flex-direction: column; gap: 2px;
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.45);
}
.nav-dropdown:hover .nav-dropdown-menu, .nav-dropdown:focus-within .nav-dropdown-menu { display: flex; }
.nav-dropdown-menu a { padding: 10px 12px; border-radius: 7px; white-space: nowrap; font-size: 0.86rem; }
.nav-dropdown-menu a:hover { background: rgba(255, 255, 255, 0.06); color: var(--white); }

@media (max-width: 960px) {
  .nav-dropdown-toggle { cursor: default; color: var(--text-on-dark-soft); }
  .nav-dropdown-menu {
    display: flex; position: static; transform: none; flex-direction: column;
    background: none; border: none; box-shadow: none; margin: 6px 0 0; padding: 0 0 0 14px; min-width: 0;
  }
  .nav-dropdown-menu a { padding: 6px 0; }
}

/* ---------- calculadora de capacidade RAID ---------- */

.calc-form {
  display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 30px 32px;
}
.calc-field label { display: block; font-weight: 700; font-size: 0.84rem; color: var(--dark); margin-bottom: 8px; }
.calc-field input, .calc-field select {
  width: 100%; font-family: var(--font); font-size: 0.98rem; color: var(--text);
  background: var(--surface); border: 1px solid var(--border); border-radius: 9px; padding: 12px 14px;
  transition: border-color 0.2s ease;
}
.calc-field input:focus, .calc-field select:focus { outline: none; border-color: var(--orange); }
.calc-field-full { grid-column: 1 / -1; }

.calc-aviso {
  display: none; margin-top: 18px; padding: 13px 16px; border-radius: 9px;
  background: rgba(220, 80, 80, 0.1); border: 1px solid #d97070; color: var(--orange-dark); font-size: 0.9rem;
}
.calc-aviso.show { display: block; }

.calc-resultado { margin-top: 22px; padding: 28px 30px; background: var(--dark); border-radius: var(--radius); color: var(--text-on-dark); }
.calc-resultado[hidden] { display: none; }
.calc-kicker { font-size: 0.76rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--orange); margin: 0 0 8px; }
.calc-numero { font-size: 2.6rem; font-weight: 800; color: #fff; margin: 0 0 6px; line-height: 1.05; }
.calc-sub { color: var(--text-on-dark-soft); font-size: 0.92rem; margin: 0 0 20px; }
.calc-detalhes { border-top: 1px solid rgba(255, 255, 255, 0.12); }
.calc-detalhe { display: flex; justify-content: space-between; gap: 16px; padding: 11px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.08); font-size: 0.9rem; }
.calc-detalhe span { color: var(--text-on-dark-soft); }
.calc-detalhe strong { color: #fff; text-align: right; }

@media (max-width: 560px) {
  .calc-form { padding: 24px 20px; }
  .calc-resultado { padding: 22px 20px; }
  .calc-numero { font-size: 2.1rem; }
}

/* ==========================================================================
   placas-ethernet.ird.net.br — acréscimos sobre o estilo base IRD
   (busca, FAQ, cartões com foto, tabela de categoria, aviso de pendência)
   ========================================================================== */

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- busca ---------- */
.site-search {
  position: relative; display: flex; align-items: center; gap: 8px;
  height: 40px; min-width: 230px; padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.25); border-radius: 999px;
  background: rgba(255, 255, 255, 0.06); color: #fff;
}
.site-search:focus-within { border-color: var(--orange); }
.site-search svg { flex: none; color: var(--orange); }
.site-search input {
  flex: 1; min-width: 0; background: transparent; border: 0; outline: 0;
  color: inherit; font: inherit; font-size: 0.9rem;
}
.site-search input::placeholder { color: var(--text-on-dark-soft); }
.site-search input::-webkit-search-cancel-button { display: none; }

.site-search--hero {
  height: 54px; max-width: 560px; margin: 26px 0 4px; padding: 0 18px;
  background: #fff; color: var(--text); border-color: #fff;
}
.site-search--hero input { font-size: 1.02rem; }
.site-search--hero input::placeholder { color: var(--text-soft); }
.site-search--hero .btn { padding: 8px 18px; font-size: 0.9rem; }

.site-search--pagina {
  height: 54px; max-width: 640px; padding: 0 8px 0 18px;
  background: #fff; color: var(--text); border-color: var(--border);
}
.site-search--pagina input::placeholder { color: var(--text-soft); }
.site-search--pagina .btn { padding: 8px 18px; font-size: 0.9rem; }

.busca-painel {
  position: absolute; top: calc(100% + 8px); right: 0; z-index: 60;
  width: min(460px, 92vw); background: #fff; color: var(--text);
  border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow); overflow: hidden;
  text-align: left;
}
.site-search--hero .busca-painel, .site-search--pagina .busca-painel { left: 0; right: auto; width: 100%; }
.busca-painel[hidden] { display: none; }
.busca-lista { list-style: none; margin: 0; padding: 0; }
.busca-lista a {
  display: flex; align-items: center; gap: 12px; padding: 10px 14px;
  text-decoration: none; color: inherit; border-bottom: 1px solid var(--border);
}
.busca-lista li:last-child a { border-bottom: 0; }
.busca-lista a:hover, .busca-lista a.is-ativo { background: var(--orange-soft); }
.busca-lista img { width: 46px; height: 46px; object-fit: contain; flex: none; background: #fff; }
.busca-cod { display: block; font-weight: 800; color: var(--dark); font-size: 0.92rem; }
.busca-nome { display: block; font-size: 0.84rem; color: var(--text); }
.busca-sub { display: block; font-size: 0.78rem; color: var(--text-soft); }
.busca-msg { padding: 14px 16px; font-size: 0.9rem; color: var(--text); }
.busca-msg .btn { margin-top: 10px; font-size: 0.84rem; padding: 9px 16px; }
.busca-erro { background: #fff6e5; border-left: 4px solid #e8a33d; }
.busca-mais { display: block; padding: 10px 14px; font-size: 0.84rem; font-weight: 700; text-align: center; background: var(--surface); color: var(--orange-dark); text-decoration: none; }

.busca-topo { background: var(--dark); color: var(--text-on-dark); padding: 56px 0 34px; }
.busca-topo h1 { font-size: 2rem; font-weight: 900; margin: 8px 0 18px; }
.busca-resumo { margin-top: 14px; font-size: 0.92rem; color: var(--text-on-dark-soft); }
.busca-resultados-sec { padding: 36px 0 56px; background: var(--light); }
.busca-grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.busca-card {
  display: flex; gap: 14px; align-items: center; padding: 12px 14px; background: #fff;
  border: 1px solid var(--border); border-radius: 12px; text-decoration: none; color: inherit;
}
.busca-card:hover { border-color: var(--orange); }
.busca-card img { width: 72px; height: 72px; object-fit: contain; flex: none; }
.busca-ajuda { margin-top: 26px; padding: 18px 20px; background: #fff; border-left: 4px solid var(--orange); border-radius: 0 10px 10px 0; }
.busca-ajuda .btn { margin-top: 12px; }

/* ---------- conteúdo ---------- */
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 16px 18px; margin: 12px 0; }
.faq-item h3 { font-size: 1.02rem; color: var(--dark); margin-bottom: 6px; }
.faq-item p { color: var(--text); margin: 0; }
.on-dark .faq-item { background: var(--dark-2); border-color: #2c2c2c; }
.on-dark .faq-item h3 { color: var(--white); }
.on-dark .faq-item p { color: var(--text-on-dark-soft); }

.pendente { background: #fff3cd; color: #664d03; padding: 1px 7px; border-radius: 4px; font-size: 0.9em; }
.cat-table a { color: var(--orange-dark); font-weight: 800; text-decoration: none; }
.cat-table a:hover { text-decoration: underline; }
.lista-checagem { margin: 14px 0 0 20px; }
.lista-checagem li { margin: 6px 0; }
.sib-card--foto { display: grid; grid-template-columns: 64px 1fr; gap: 2px 14px; align-items: center; }
.sib-card--foto img { grid-row: 1 / span 2; width: 64px; height: 64px; object-fit: contain; }
.product-visual--foto img { padding: 10px; }
.mini-nota { font-size: 0.84rem; color: var(--text-soft); margin-top: 8px; }
.nav-busca { display: none; }

@media (max-width: 960px) {
  .site-search--cab { display: none; }
  .nav-busca { display: inline-block; }
}
@media (max-width: 560px) {
  .busca-grid { grid-template-columns: 1fr; }
}

/* ---------- blocos de conteúdo sobre fundo escuro ---------- */
.on-dark .callout { background: var(--dark-2); border-left: 4px solid var(--orange); }
.on-dark .callout h3 { color: var(--white); }
.on-dark .callout p { color: var(--text-on-dark-soft); }
.on-dark .rule-note { background: var(--dark-2); color: var(--text-on-dark); }
.on-dark .container > h3 { color: var(--white); }
.on-dark .lista-checagem li, .on-dark .mini-nota, .on-dark .spec-note { color: var(--text-on-dark-soft); }
.on-dark .lista-checagem li::marker { color: var(--orange); }
.on-dark .container > p a, .on-dark .callout a, .on-dark .rule-note a, .on-dark .section-intro a { color: #ff9a66; }
.on-dark .sib-card, .on-dark .sib-card strong { color: var(--dark); }
.on-dark .sib-card span { color: var(--text-soft); }
.on-dark .mapa-card h3, .on-dark .decide-card h3 { color: var(--dark); }
.on-dark .decide-card a, .on-dark .mapa-card a { color: var(--orange-dark); }

/* ---------- menu Produtos agrupado por tipo ---------- */
.nav-dropdown-menu--grupos { min-width: 330px; max-height: 78vh; overflow-y: auto; }
.nav-grupo { display: block; padding: 10px 16px 4px; font-size: 0.72rem; font-weight: 800; letter-spacing: 0.16em; text-transform: uppercase; color: var(--orange); }
.nav-grupo:not(:first-child) { margin-top: 6px; border-top: 1px solid rgba(255, 255, 255, 0.12); }