/* ==========================================================================
   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 {
  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;
}

/* ---------- 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; }

/* ---------- 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; }
.spec-table tbody th { width: 34%; font-weight: 700; color: var(--text); white-space: normal; background: var(--orange-soft); }
.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; }
.comp-table thead th { background: var(--dark); color: #fff; font-size: 0.82rem; text-align: left; padding: 10px 14px; vertical-align: bottom; }
.comp-table tbody th[scope="row"] { white-space: nowrap; font-weight: 700; }
.comp-table td { font-size: 0.86rem; vertical-align: top; }

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

.callout { border-radius: 10px; padding: 18px 20px; margin: 22px 0; }
.callout h3 { margin: 0 0 6px; font-size: 1.02rem; }
.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; }
.decide-card h3, .warn-card h3 { margin: 0 0 8px; font-size: 1rem; }
.decide-card p, .warn-card p { margin: 0; font-size: 0.93rem; }
.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; }

.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; }
}

/* ---------- 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; }
}