/* ==========================================================================
   ARFRIO CLIMATIZADORES — ESTILOS GLOBAIS
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background var(--transition-base), color var(--transition-base);
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; background: none; border: none; }
ul { margin: 0; padding: 0; list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-text-heading);
  margin: 0 0 .5em;
  letter-spacing: -0.015em;
  line-height: 1.15;
}
.dark-theme h1, .dark-theme h2, .dark-theme h3 { text-shadow: var(--glow-neon-text); }

.container { width: 100%; max-width: var(--container-width); margin: 0 auto; padding: 0 24px; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: .75rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--color-brand); margin-bottom: 10px;
}
.eyebrow::before { content: ''; width: 18px; height: 1.5px; background: var(--color-brand); }

/* --------------------------------------------------------------------
   Badges de ícone coloridos — usados em specs, pilares, valores, FAQs
   -------------------------------------------------------------------- */
.icon-badge {
  width: 46px; height: 46px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.icon-badge svg { width: 22px; height: 22px; }
.icon-badge--blue   { background: var(--badge-blue-bg);   color: var(--badge-blue-icon); }
.icon-badge--teal   { background: var(--badge-teal-bg);   color: var(--badge-teal-icon); }
.icon-badge--green  { background: var(--badge-green-bg);  color: var(--badge-green-icon); }
.icon-badge--indigo { background: var(--badge-indigo-bg); color: var(--badge-indigo-icon); }
.icon-badge--sm { width: 38px; height: 38px; }
.icon-badge--sm svg { width: 18px; height: 18px; }

/* Motivo de assinatura: cantos de mira técnica, some no hover */
.corner-frame { position: relative; }
.corner-frame::before, .corner-frame::after {
  content: ''; position: absolute; width: 16px; height: 16px; opacity: 0;
  transition: opacity var(--transition-base), width var(--transition-base), height var(--transition-base);
  pointer-events: none;
}
.corner-frame::before { top: 10px; left: 10px; border-top: 2px solid var(--color-brand); border-left: 2px solid var(--color-brand); }
.corner-frame::after { bottom: 10px; right: 10px; border-bottom: 2px solid var(--color-brand); border-right: 2px solid var(--color-brand); }
.corner-frame:hover::before, .corner-frame:hover::after,
.corner-frame.is-active::before, .corner-frame.is-active::after { opacity: 1; width: 22px; height: 22px; }

/* Textura sutil de grade técnica — uso pontual (heros) */
.blueprint-bg {
  background-image: linear-gradient(var(--color-border) 1px, transparent 1px), linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 44px 44px; background-position: center;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 40%, transparent 100%);
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 40%, transparent 100%);
  opacity: .35;
}
.dark-theme .blueprint-bg { opacity: .2; }

/* Onda da marca como marca d'água decorativa, no canto dos heros */
.blueprint-bg::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 420 320'%3E%3Cpath d='M-20 100 Q80 40 180 100 T380 100' stroke='%230083CB' stroke-width='12' fill='none' stroke-linecap='round'/%3E%3Cpath d='M-20 165 Q80 105 180 165 T380 165' stroke='%230083CB' stroke-width='12' fill='none' stroke-linecap='round' opacity='.65'/%3E%3Cpath d='M-20 230 Q80 170 180 230 T380 230' stroke='%230083CB' stroke-width='12' fill='none' stroke-linecap='round' opacity='.35'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right -30px bottom -40px; background-size: 440px 340px;
  opacity: .07;
}
.dark-theme .blueprint-bg::after { opacity: .12; }

/* --------------------------------------------------------------------
   Selo "Fabricação 100% Nacional" — reutilizável em qualquer página
   -------------------------------------------------------------------- */
.badge-nacional {
  display: inline-flex; align-items: center; gap: 10px; margin-top: 20px; padding: 10px 16px 10px 10px;
  border-radius: var(--radius-pill); border: 1px solid var(--color-border); background: var(--color-surface);
  box-shadow: var(--shadow-card); max-width: 100%;
}
.badge-nacional .flag-br { width: 30px; height: 21px; border-radius: 4px; flex-shrink: 0; box-shadow: 0 0 0 1px rgba(20,30,45,.08); }
.badge-nacional span { font-size: .82rem; line-height: 1.35; color: var(--color-text-body); }
.badge-nacional span strong { color: var(--color-text-heading); }
.badge-nacional--compact { margin-top: 18px; padding: 7px 14px 7px 7px; }
.badge-nacional--compact .flag-br { width: 24px; height: 17px; }

/* --------------------------------------------------------------------
   Botões
   -------------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 26px; border-radius: 14px;
  font-family: var(--font-display); font-weight: 600; font-size: .95rem; letter-spacing: .01em;
  border: 1.5px solid transparent; transition: all var(--transition-base); white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.btn-primary { background: var(--color-brand); color: #fff; box-shadow: 0 6px 16px rgba(0,131,203,.28); }
.btn-primary:hover { background: var(--color-brand-dark); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,131,203,.34); }
.dark-theme .btn-primary { color: #0B1013; box-shadow: var(--glow-neon); }
.dark-theme .btn-primary:hover { box-shadow: var(--glow-neon), 0 10px 24px rgba(0,0,0,.4); }

.btn-whatsapp { background: var(--e-global-color-ad063dc); color: #fff; box-shadow: 0 6px 16px rgba(97,206,112,.3); }
.btn-whatsapp:hover { background: var(--e-global-color-74603a5f); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(97,206,112,.36); }

.btn-outline { background: var(--color-surface); border-color: var(--color-border); color: var(--color-text-heading); }
.btn-outline:hover { border-color: var(--color-brand); color: var(--color-brand); }

.btn-block { width: 100%; justify-content: center; }

/* --------------------------------------------------------------------
   Cabeçalho / Logo
   -------------------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.85); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.dark-theme .site-header { background: rgba(18,21,26,.85); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 84px; gap: 24px; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { height: 52px; width: auto; }
.brand-fallback { display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 44px; height: 33px; flex-shrink: 0; }
.brand-wordmark { font-family: var(--font-display); font-weight: 700; font-size: 1.65rem; letter-spacing: -.01em; line-height: 1; }
.brand-wordmark .bw-dark { color: var(--color-text-heading); }
.brand-wordmark .bw-blue { color: var(--color-brand); }
.brand-tagline { display: block; font-family: var(--font-mono); font-size: .64rem; letter-spacing: .1em; text-transform: uppercase; color: var(--color-text-muted); margin-top: 1px; }

.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  font-family: var(--font-display); font-size: .92rem; font-weight: 500; color: var(--color-text-body);
  padding: 9px 16px; border-radius: var(--radius-pill); transition: all var(--transition-base);
}
.main-nav a:hover { color: var(--color-brand); background: var(--badge-blue-bg); }

/* --- Dropdown "Produtos" --- */
.nav-dropdown { position: relative; }
.nav-dropdown-toggle {
  display: flex; align-items: center; gap: 5px;
  font-family: var(--font-display); font-size: .92rem; font-weight: 500; color: var(--color-text-body);
  padding: 9px 16px; border-radius: var(--radius-pill); transition: all var(--transition-base); cursor: pointer;
}
.nav-dropdown-toggle svg { width: 15px; height: 15px; transition: transform var(--transition-base); }
.nav-dropdown-toggle:hover, .nav-dropdown.is-open .nav-dropdown-toggle { color: var(--color-brand); background: var(--badge-blue-bg); }
.nav-dropdown.is-open .nav-dropdown-toggle svg { transform: rotate(180deg); }

.nav-dropdown-menu {
  position: absolute; top: calc(100% + 6px); left: 0; min-width: 220px; z-index: 50;
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md);
  box-shadow: var(--shadow-elevated); padding: 8px; display: flex; flex-direction: column; gap: 2px;
  opacity: 0; visibility: hidden; transform: translateY(6px); transition: opacity .2s ease, transform .2s ease, visibility .2s;
}
.nav-dropdown-menu a { padding: 10px 14px; border-radius: var(--radius-sm); font-size: .9rem; color: var(--color-text-body); }
.nav-dropdown-menu a:hover { background: var(--badge-blue-bg); color: var(--color-brand); }
.nav-dropdown-menu .nav-dropdown-all { border-top: 1px solid var(--color-border); margin-top: 4px; padding-top: 12px; font-size: .82rem; color: var(--color-text-muted); }

@media (min-width: 901px) {
  .nav-dropdown:hover .nav-dropdown-menu,
  .nav-dropdown.is-open .nav-dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
}

.header-actions { display: flex; align-items: center; gap: 18px; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; justify-content: center; width: 22px; height: 22px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--color-text-heading); border-radius: 2px; transition: transform .25s ease, opacity .25s ease; }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.theme-toggle { display: flex; align-items: center; gap: 10px; }
.theme-toggle-label { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; color: var(--color-text-muted); display: none; }
.theme-toggle-track { width: 52px; height: 28px; border-radius: var(--radius-pill); background: var(--color-bg-alt); border: 1px solid var(--color-border); position: relative; transition: background var(--transition-base), border-color var(--transition-base); }
.theme-toggle-thumb { position: absolute; top: 2px; left: 2px; width: 22px; height: 22px; border-radius: 50%; background: var(--color-surface); box-shadow: 0 1px 4px rgba(0,0,0,.2); display: flex; align-items: center; justify-content: center; transition: transform var(--transition-base), background var(--transition-base); }
.theme-toggle-thumb svg { width: 13px; height: 13px; color: var(--color-secondary); }
.theme-toggle[aria-pressed="true"] .theme-toggle-track { background: #0B1013; border-color: var(--color-accent-cyan); }
.theme-toggle[aria-pressed="true"] .theme-toggle-thumb { transform: translateX(24px); background: var(--color-accent-cyan); box-shadow: var(--glow-neon); }
.theme-toggle[aria-pressed="true"] .theme-toggle-thumb svg { color: #0B1013; }
@media (min-width: 900px) { .theme-toggle-label { display: block; } }

/* --------------------------------------------------------------------
   Rodapé — barra escura com contatos, sempre no tom "engenharia"
   -------------------------------------------------------------------- */
.site-footer { background: #12151A; color: #C4CAD1; padding: 64px 0 0; margin-top: 96px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 32px; padding-bottom: 40px; }
.footer-col h4 { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; font-family: var(--font-mono); color: #7A828C; margin-bottom: 16px; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand-mark { width: 38px; height: 27px; flex-shrink: 0; }
.footer-brand-wordmark { font-family: var(--font-display); font-weight: 700; font-size: 1.3rem; color: #fff; }
.footer-brand-wordmark .fb-blue { color: var(--color-accent-cyan); }
.footer-col a, .footer-col p { display: block; color: #C4CAD1; font-size: .92rem; margin-bottom: 10px; }
.footer-col a:hover { color: var(--color-accent-cyan); }
.footer-col p { color: #88909A; max-width: 300px; }
.footer-social-link { display: flex !important; align-items: center; gap: 10px; }
.footer-social-link svg { width: 17px; height: 17px; flex-shrink: 0; color: #8B939D; transition: color var(--transition-base); }
.footer-social-link:hover svg { color: var(--color-accent-cyan); }

.footer-contact-bar { border-top: 1px solid rgba(255,255,255,.08); padding: 22px 0; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer-contact-items { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.footer-contact-items span { display: flex; align-items: center; gap: 8px; font-size: .86rem; color: #C4CAD1; }
.footer-contact-items svg { width: 16px; height: 16px; color: var(--color-accent-cyan); flex-shrink: 0; }
.footer-social-row { display: flex; gap: 10px; }
.footer-social-row a { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,.06); display: flex; align-items: center; justify-content: center; transition: all var(--transition-base); }
.footer-social-row a svg { width: 16px; height: 16px; color: #C4CAD1; }
.footer-social-row a:hover { background: var(--color-accent-cyan); }
.footer-social-row a:hover svg { color: #0B1013; }

.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 20px 0; font-size: .8rem; color: #6E7680; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

@media (max-width: 980px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-contact-bar { flex-direction: column; align-items: flex-start; }
}

/* --------------------------------------------------------------------
   WhatsApp flutuante
   -------------------------------------------------------------------- */
.whatsapp-float {
  position: fixed; right: 24px; bottom: 24px; z-index: 200;
  display: flex; align-items: center; gap: 10px; height: 56px;
  padding: 0 20px 0 16px; border-radius: var(--radius-pill);
  background: var(--e-global-color-ad063dc); color: #fff; text-decoration: none;
  box-shadow: 0 10px 28px rgba(97,206,112,.45);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.whatsapp-float svg { width: 26px; height: 26px; color: #fff; flex-shrink: 0; }
.whatsapp-float-text { font-family: var(--font-display); font-weight: 600; font-size: .92rem; white-space: nowrap; }
.whatsapp-float:hover { transform: translateY(-4px) scale(1.03); background: var(--e-global-color-74603a5f); }
.whatsapp-float::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit;
  border: 2px solid var(--e-global-color-ad063dc);
  animation: pulse-ring 2.2s ease-out infinite;
}
@keyframes pulse-ring { 0% { transform: scale(1); opacity: .6; } 100% { transform: scale(1.08); opacity: 0; } }

@media (max-width: 520px) {
  .whatsapp-float { height: 52px; padding: 0 16px 0 14px; gap: 8px; }
  .whatsapp-float-text { font-size: .82rem; }
}

/* --------------------------------------------------------------------
   Miniatura de foto adicional + Lightbox — componente global
   (usado nas páginas de produto e no painel de abas do catálogo)
   -------------------------------------------------------------------- */
.photo-thumb-row { display: flex; gap: 10px; }
.photo-thumb {
  position: relative; width: 76px; height: 76px; border-radius: var(--radius-sm);
  overflow: hidden; border: 2px solid var(--color-surface); box-shadow: var(--shadow-card);
  margin-top: 14px; transition: transform var(--transition-base);
}
.photo-thumb:hover { transform: scale(1.06); }
.photo-thumb img { width: 100%; height: 100%; object-fit: cover; }
.photo-thumb-icon {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: rgba(11,16,19,.4); opacity: 0; transition: opacity var(--transition-base);
}
.photo-thumb:hover .photo-thumb-icon { opacity: 1; }
.photo-thumb-icon svg { width: 20px; height: 20px; color: #fff; }

/* --- Lightbox (injetado via assets/js/produto-lightbox.js) --- */
.lightbox-overlay {
  position: fixed; inset: 0; z-index: 500; background: rgba(11,16,19,.92);
  display: flex; align-items: center; justify-content: center; padding: 40px;
  opacity: 0; visibility: hidden; transition: opacity .25s ease, visibility .25s;
}
.lightbox-overlay.is-open { opacity: 1; visibility: visible; }
.lightbox-img { max-width: 90vw; max-height: 85vh; border-radius: var(--radius-md); box-shadow: var(--shadow-elevated); }
.lightbox-video { max-width: 90vw; max-height: 85vh; border-radius: var(--radius-md); box-shadow: var(--shadow-elevated); display: none; background: #000; }
.lightbox-close {
  position: absolute; top: 24px; right: 24px; width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,.1); display: flex; align-items: center; justify-content: center;
  transition: background var(--transition-base);
}
.lightbox-close:hover { background: rgba(255,255,255,.2); }
.lightbox-close svg { width: 20px; height: 20px; color: #fff; }


/* --------------------------------------------------------------------
   Utilidades
   -------------------------------------------------------------------- */
.section { padding: 88px 0; }
.text-muted { color: var(--color-text-muted); }
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .04em;
  padding: 6px 12px; border-radius: var(--radius-pill);
  background: var(--color-bg-alt); border: 1px solid var(--color-border); color: var(--color-text-body);
}
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
:focus-visible { outline: 2px solid var(--color-brand); outline-offset: 3px; }

@media (max-width: 900px) {
  .header-inner { position: relative; }
  .main-nav { display: none; }
  .nav-toggle { display: flex; }

  .main-nav.is-open {
    display: flex; flex-direction: column; align-items: stretch; gap: 2px;
    position: absolute; top: 100%; left: 0; right: 0; z-index: 90;
    background: var(--color-surface); border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-elevated); padding: 12px; max-height: calc(100vh - 84px); overflow-y: auto;
  }
  .main-nav.is-open a { padding: 13px 16px; border-radius: var(--radius-sm); }

  /* Dropdown vira acordeão inline dentro do menu mobile, em vez de painel flutuante */
  .main-nav.is-open .nav-dropdown-toggle { width: 100%; padding: 13px 16px; border-radius: var(--radius-sm); justify-content: space-between; }
  .main-nav.is-open .nav-dropdown-menu {
    position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none;
    background: var(--color-bg-alt); margin: 2px 0 6px; padding: 6px;
    max-height: 0; overflow: hidden; transition: max-height .25s ease, padding .25s ease;
  }
  .main-nav.is-open .nav-dropdown.is-open .nav-dropdown-menu { max-height: 220px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-play-state: paused !important; transition-duration: 0.01ms !important; }
}

/* --------------------------------------------------------------------
   Aviso de cookies (LGPD) + links legais do rodapé
   -------------------------------------------------------------------- */
.cookie-banner {
  position: fixed; left: 24px; bottom: 24px; z-index: 1200;
  max-width: 440px; padding: 20px 22px;
  background: var(--color-surface); color: var(--color-text-body);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  box-shadow: var(--shadow-elevated);
  font-size: .88rem; line-height: 1.6;
}
.cookie-banner[hidden] { display: none; }
.cookie-banner p { margin: 0 0 14px; }
.cookie-banner a { color: var(--color-brand); text-decoration: underline; text-underline-offset: 3px; }
.cookie-banner-actions { display: flex; gap: 10px; justify-content: flex-end; }
.cookie-banner-actions .btn { padding: 10px 20px; font-size: .88rem; }

.footer-legal-links { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 18px; }
.footer-legal-links a { color: inherit; }
.footer-legal-links a:hover { color: #fff; }
.footer-link-btn {
  background: none; border: 0; padding: 0; font: inherit; color: inherit; cursor: pointer;
}
.footer-link-btn:hover { color: #fff; }

.form-privacidade { margin: 14px 0 0; font-size: .8rem; color: var(--color-text-muted); }
.form-privacidade a { color: var(--color-brand); text-decoration: underline; }

@media (max-width: 600px) {
  .cookie-banner { left: 12px; right: 12px; bottom: 12px; max-width: none; }
  .cookie-banner-actions .btn { flex: 1; justify-content: center; }
  /* o botão flutuante do WhatsApp não cobre o aviso */
  body.has-cookie-banner .whatsapp-float { opacity: 0; pointer-events: none; }
}