/* ==========================================================================
   IJGM Climatização — folha de estilos principal
   CSS puro, sem frameworks. Mobile-first. Breakpoints: 480 / 768 / 1024px.
   ========================================================================== */

:root {
  --color-primary: #0B4F8A;
  --color-primary-dark: #083a66;
  --color-accent: #17A6E0;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F4F8FB;
  --color-text: #142433;
  --color-text-muted: #45586b;
  --color-border: #DCE6EE;
  --color-white: #FFFFFF;
  --color-success: #1E8E5A;

  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --container-w: 1120px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2.5rem;
  --space-6: 4rem;

  --shadow-sm: 0 1px 3px rgba(20, 36, 51, 0.08), 0 1px 2px rgba(20, 36, 51, 0.06);
  --shadow-md: 0 8px 24px rgba(11, 79, 138, 0.14);
  --shadow-lg: 0 16px 40px rgba(11, 79, 138, 0.18);

  --transition-fast: 180ms ease;
  --header-h: 96px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4 { margin: 0 0 var(--space-3); font-weight: 800; line-height: 1.15; color: var(--color-text); }
p { margin: 0 0 var(--space-3); }
a { color: var(--color-primary); text-decoration-thickness: 2px; text-underline-offset: 3px; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; }
svg { display: block; }

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.container {
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: var(--space-3);
  top: -60px;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  z-index: 1000;
  font-weight: 700;
  transition: top var(--transition-fast);
}
.skip-link:focus {
  top: var(--space-3);
}

/* ---------- Botões / CTAs ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 48px;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}
.btn svg { width: 20px; height: 20px; flex-shrink: 0; }
.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}
.btn-primary:hover, .btn-primary:focus-visible { background: var(--color-primary-dark); transform: translateY(-2px); }
.btn-outline {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-outline:hover, .btn-outline:focus-visible { background: var(--color-bg-alt); transform: translateY(-2px); }
.btn-block { width: 100%; justify-content: center; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(180%) blur(6px);
  border-bottom: 1px solid var(--color-border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: var(--space-3);
}
.brand-link { display: flex; align-items: center; border-radius: var(--radius-sm); }
.logo-header { height: 80px; width: 80px; border-radius: var(--radius-sm); }

.main-nav { display: none; }
.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.nav-list a {
  color: var(--color-text);
  font-weight: 600;
  text-decoration: none;
  padding: 0.4rem 0.1rem;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.nav-list a:hover, .nav-list a:focus-visible {
  color: var(--color-primary);
  border-color: var(--color-accent);
}
.nav-cta { display: none; }

.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-border);
  background: var(--color-white);
  cursor: pointer;
}
.menu-toggle svg { width: 24px; height: 24px; color: var(--color-primary); }
.menu-toggle .icon-close { display: none; }
.menu-toggle[aria-expanded="true"] .icon-open { display: none; }
.menu-toggle[aria-expanded="true"] .icon-close { display: block; }

.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-h);
  right: 0;
  bottom: 0;
  left: 0;
  background: var(--color-white);
  z-index: 400;
  overflow-y: auto;
  padding: var(--space-4);
}
.mobile-nav.is-open { display: block; }
.mobile-nav ul { display: flex; flex-direction: column; gap: var(--space-1); }
.mobile-nav a {
  display: block;
  padding: 0.9rem var(--space-2);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
}
.mobile-nav .btn { margin-top: var(--space-4); }

@media (min-width: 1024px) {
  .main-nav { display: block; }
  .nav-cta { display: inline-flex; }
  .menu-toggle { display: none; }
  .mobile-nav { display: none !important; }
}

/* ---------- Hero ---------- */
.hero {
  padding: var(--space-5) 0 var(--space-6);
  background:
    radial-gradient(circle at 85% 0%, rgba(23, 166, 224, 0.12), transparent 55%),
    var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}
.hero .container {
  display: grid;
  gap: var(--space-5);
  align-items: center;
}
.hero .container > * { min-width: 0; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  color: var(--color-primary);
  background: rgba(11, 79, 138, 0.08);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-size: 0.9rem;
  margin-bottom: var(--space-3);
}
.hero h1 {
  font-size: clamp(1.9rem, 4.2vw + 0.8rem, 3rem);
  max-width: 20ch;
}
.hero-subtitle {
  font-size: clamp(1.05rem, 1vw + 0.9rem, 1.25rem);
  color: var(--color-text-muted);
  max-width: 54ch;
  margin-bottom: var(--space-4);
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: 0.92rem;
  color: var(--color-text-muted);
}
.hero-trust li { display: flex; align-items: center; gap: 0.4rem; font-weight: 600; }
.hero-trust svg { width: 18px; height: 18px; color: var(--color-success); flex-shrink: 0; }

.hero-media {
  position: relative;
}
.hero-media img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

@media (min-width: 900px) {
  .hero .container { grid-template-columns: 1.05fr 0.95fr; }
}

/* ---------- Section shell ---------- */
.section { padding: var(--space-6) 0; }
.section-alt { background: var(--color-bg-alt); }
.section-head {
  max-width: 62ch;
  margin-bottom: var(--space-5);
}
.section-head h2 { font-size: clamp(1.6rem, 2.4vw + 0.8rem, 2.25rem); }
.section-head p { color: var(--color-text-muted); font-size: 1.05rem; }
.eyebrow {
  display: block;
  color: var(--color-primary);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: var(--space-2);
}

/* ---------- Serviços ---------- */
.services-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}
.service-card {
  min-width: 0;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  display: flex;
  flex-direction: column;
}
.service-card:hover, .service-card:focus-within {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.service-card-media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-bg-alt);
}
.service-card-media img { width: 100%; height: 100%; object-fit: cover; }
.service-card-body { padding: var(--space-4); }
.service-icon {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(11, 79, 138, 0.08);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.service-icon svg { width: 26px; height: 26px; }
.service-card h3 { font-size: 1.15rem; margin-bottom: var(--space-2); }
.service-card p { color: var(--color-text-muted); font-size: 0.97rem; margin-bottom: 0; }

/* ---------- Diferenciais ---------- */
.diferenciais-list {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: 1fr;
}
@media (min-width: 700px) {
  .diferenciais-list { grid-template-columns: 1fr 1fr; }
}
.diferenciais-list li {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
}
.check-icon {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex; align-items: center; justify-content: center;
}
.check-icon svg { width: 16px; height: 16px; }

/* ---------- Quem somos ---------- */
.quem-somos-grid {
  display: grid;
  gap: var(--space-5);
}
.quem-somos-grid > * { min-width: 0; }
@media (min-width: 900px) {
  .quem-somos-grid { grid-template-columns: 1.2fr 0.8fr; align-items: start; }
}
.publico-box {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}
.publico-box h3 { font-size: 1.05rem; margin-bottom: var(--space-3); }
.publico-box ul { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.publico-box li {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
}

/* ---------- FAQ ---------- */
.faq-list { display: flex; flex-direction: column; gap: var(--space-3); max-width: 78ch; }
.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0;
  overflow: hidden;
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: var(--space-4);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .chevron {
  width: 20px; height: 20px;
  flex-shrink: 0;
  color: var(--color-primary);
  transition: transform var(--transition-fast);
}
.faq-item[open] summary .chevron { transform: rotate(180deg); }
.faq-answer { padding: 0 var(--space-4) var(--space-4); color: var(--color-text-muted); }
.faq-pendencia {
  display: inline-block;
  margin-top: var(--space-2);
  font-size: 0.85rem;
  font-weight: 700;
  color: #9a5b00;
  background: #fff2d9;
  border: 1px solid #f2d69c;
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.6rem;
}

/* ---------- Contato ---------- */
.contato-grid {
  display: grid;
  gap: var(--space-5);
}
.contato-grid > * { min-width: 0; }
@media (min-width: 900px) {
  .contato-grid { grid-template-columns: 0.9fr 1.1fr; align-items: start; }
}
.contato-list { display: flex; flex-direction: column; gap: var(--space-4); }
.contato-item { display: flex; gap: var(--space-3); align-items: flex-start; }
.contato-item .icon-wrap {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(11, 79, 138, 0.08);
  color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
}
.contato-item .icon-wrap svg { width: 24px; height: 24px; }
.contato-item h3 { font-size: 1rem; margin-bottom: 0.2rem; }
.contato-item p { margin-bottom: 0; color: var(--color-text-muted); }
.contato-item a { font-weight: 700; }
.map-wrap {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  aspect-ratio: 4 / 3;
}
.map-wrap iframe { width: 100%; height: 100%; border: 0; }
@media (min-width: 640px) {
  .map-wrap { aspect-ratio: 16 / 10; }
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-text);
  color: #cfd9e2;
  padding: var(--space-6) 0 var(--space-4);
}
.footer-grid {
  display: grid;
  gap: var(--space-5);
  margin-bottom: var(--space-5);
}
.footer-grid > * { min-width: 0; }
@media (min-width: 800px) {
  .footer-grid { grid-template-columns: 1.2fr 1fr 1fr; }
}
.logo-footer { height: 80px; width: 80px; border-radius: var(--radius-sm); margin-bottom: var(--space-3); }
.footer-col h3 {
  color: var(--color-white);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-3);
}
.footer-col p { color: #b7c4d0; }
.footer-col ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col a { color: #cfd9e2; text-decoration: none; }
.footer-col a:hover, .footer-col a:focus-visible { color: var(--color-white); text-decoration: underline; }
.footer-social { display: flex; gap: 0.75rem; margin-top: var(--space-3); }
.footer-social a {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex; align-items: center; justify-content: center;
}
.footer-social svg { width: 20px; height: 20px; color: var(--color-white); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: var(--space-4);
  font-size: 0.85rem;
  color: #97a6b4;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: space-between;
}
.footer-bottom a { color: #cfd9e2; }

/* ---------- Botão flutuante WhatsApp ---------- */
.whatsapp-float {
  position: fixed;
  right: var(--space-3);
  bottom: var(--space-3);
  z-index: 600;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  animation: whatsapp-in 500ms ease 300ms both;
}
.whatsapp-float svg { width: 30px; height: 30px; }
.whatsapp-float:hover, .whatsapp-float:focus-visible { transform: scale(1.06); }
@keyframes whatsapp-in {
  from { opacity: 0; transform: translateY(16px) scale(0.9); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@media (prefers-reduced-motion: reduce) {
  .whatsapp-float { animation: none; }
}

/* ---------- LGPD banner ---------- */
.lgpd-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 700;
  background: var(--color-text);
  color: #e7edf2;
  padding: var(--space-4);
  box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.18);
  transform: translateY(100%);
  transition: transform var(--transition-fast);
}
.lgpd-banner.is-visible { transform: translateY(0); }
.lgpd-banner .container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  justify-content: space-between;
}
.lgpd-text { flex: 1 1 280px; font-size: 0.92rem; margin: 0; }
.lgpd-text a { color: #9fd6f2; }
.lgpd-actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.lgpd-actions button {
  min-height: 48px;
  padding: 0.7rem 1.3rem;
  border-radius: 999px;
  font-weight: 700;
  cursor: pointer;
  border: 2px solid transparent;
}
.lgpd-accept { background: var(--color-accent); color: #052436; }
.lgpd-decline { background: transparent; border-color: #5b6f80; color: #e7edf2; }

/* ---------- Página de galeria ---------- */
.gallery-intro { max-width: 74ch; }
.gallery-empty {
  text-align: center;
  padding: var(--space-6) var(--space-4);
  background: var(--color-bg-alt);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
}
.gallery-empty svg { width: 64px; height: 64px; color: var(--color-primary); margin: 0 auto var(--space-3); }
.gallery-empty h2 { font-size: 1.3rem; }
.gallery-empty p { color: var(--color-text-muted); max-width: 50ch; margin-inline: auto var(--space-4); }

.gallery-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 700px) {
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1024px) {
  .gallery-grid { grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }
}
.gallery-item {
  margin: 0;
  min-width: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}
.gallery-item button {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  cursor: zoom-in;
  aspect-ratio: 4 / 3;
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-fast); }
.gallery-item button:hover img, .gallery-item button:focus-visible img { transform: scale(1.04); }
.gallery-item figcaption {
  padding: var(--space-2) var(--space-3);
  font-size: 0.88rem;
  color: var(--color-text-muted);
}
.gallery-cta {
  text-align: center;
  margin-top: var(--space-5);
  padding: var(--space-5);
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  color: var(--color-white);
}
.gallery-cta h2 { color: var(--color-white); font-size: 1.4rem; }
.gallery-cta p { color: #dbeaf5; margin-bottom: var(--space-4); }
.gallery-cta .btn-primary { background: var(--color-white); color: var(--color-primary); }
.gallery-cta .btn-primary:hover { background: #e9f3fa; }

/* Lightbox dialog nativo */
.lightbox {
  border: 0;
  border-radius: var(--radius-md);
  padding: 0;
  max-width: min(92vw, 1000px);
  max-height: 90vh;
  background: var(--color-text);
}
.lightbox::backdrop { background: rgba(10, 18, 26, 0.82); }
.lightbox-inner { position: relative; }
.lightbox-inner img { width: 100%; height: auto; max-height: 78vh; object-fit: contain; background: #0a1520; }
.lightbox-caption {
  color: #dbe6ee;
  padding: var(--space-3) var(--space-4);
  font-size: 0.95rem;
  margin: 0;
}
.lightbox-close {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 0;
  background: rgba(0, 0, 0, 0.55);
  color: var(--color-white);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.lightbox-close svg { width: 22px; height: 22px; }

/* ---------- Página 404 e política de privacidade (conteúdo simples) ---------- */
.simple-page {
  padding: var(--space-6) 0;
}
.simple-page .container { max-width: 820px; }
.simple-page h1 { font-size: clamp(1.7rem, 3vw + 0.8rem, 2.4rem); }
.simple-page h2 { font-size: 1.3rem; margin-top: var(--space-5); }
.simple-page ul { list-style: disc; padding-left: 1.4rem; margin-bottom: var(--space-3); }
.simple-page li { margin-bottom: 0.4rem; }
.updated-note { color: var(--color-text-muted); font-size: 0.9rem; }
.error-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  text-align: center;
}
.error-page .container { display: flex; flex-direction: column; align-items: center; }
.error-page svg { width: 88px; height: 88px; color: var(--color-primary); margin-bottom: var(--space-4); }
.error-page .btn-row { display: flex; gap: var(--space-3); flex-wrap: wrap; justify-content: center; margin-top: var(--space-4); }