/* ==========================================================================
   Construdini — Locação de Caminhão Munck no Vale dos Sinos
   Design System | Mobile-first | Industrial Red & Black
   ========================================================================== */

/* ---------- 1. Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }
ul { list-style: none; }

/* ---------- 2. Design Tokens ---------- */
:root {
  /* Cores */
  --color-red: #ED1B22;            /* vermelho principal (logo Construdini oficial) */
  --color-red-dark: #B81017;
  --color-red-light: #FF3B3B;
  --color-black: #0A0A0A;
  --color-graphite: #1A1A1A;
  --color-steel: #2C2C2C;
  --color-gray: #6B6B6B;
  --color-light-gray: #E8E8E8;
  --color-off-white: #F5F5F5;
  --color-white: #FFFFFF;
  --color-whatsapp: #25D366;
  --color-whatsapp-dark: #128C7E;

  /* Semânticas */
  --color-bg: var(--color-white);
  --color-bg-alt: var(--color-off-white);
  --color-bg-dark: var(--color-black);
  --color-text: var(--color-graphite);
  --color-text-muted: var(--color-gray);
  --color-text-light: var(--color-light-gray);
  --color-accent: var(--color-red);

  /* Tipografia */
  --font-display: 'Inter', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;

  /* Espaçamento */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* Layout */
  --container: 1200px;
  --container-sm: 800px;
  --radius: 6px;
  --radius-lg: 12px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.12);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.18);

  /* Animação */
  --transition: 200ms ease;
}

/* ---------- 3. Tipografia ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-black);
}
h1 { font-size: clamp(2rem, 6vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); margin-bottom: var(--space-md); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); margin-bottom: var(--space-sm); }
p { margin-bottom: var(--space-sm); color: var(--color-text); }
.lead { font-size: 1.125rem; line-height: 1.6; color: var(--color-gray); }
strong { font-weight: 700; color: var(--color-black); }

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-red);
  margin-bottom: var(--space-sm);
}

/* ---------- 4. Container & Sections ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--space-md); }
.container-sm { width: 100%; max-width: var(--container-sm); margin: 0 auto; padding: 0 var(--space-md); }
section { padding: var(--space-2xl) 0; }
@media (max-width: 768px) { section { padding: var(--space-xl) 0; } }
.section-alt { background: var(--color-bg-alt); }
.section-dark { background: var(--color-black); color: var(--color-light-gray); }
.section-dark h1, .section-dark h2, .section-dark h3 { color: var(--color-white); }
.section-dark p { color: var(--color-light-gray); }
.section-header { text-align: center; margin-bottom: var(--space-xl); }
.section-header p { max-width: 640px; margin: 0 auto; }

/* ---------- 5. Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius);
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-red);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(214, 40, 40, 0.35);
}
.btn-primary:hover { background: var(--color-red-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(214, 40, 40, 0.45); }
.btn-whatsapp {
  background: var(--color-whatsapp);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
}
.btn-whatsapp:hover { background: var(--color-whatsapp-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45); }
.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
}
.btn-outline:hover { background: var(--color-white); color: var(--color-black); }
.btn-lg { padding: 1.125rem 2.5rem; font-size: 1.125rem; }
.btn-icon { font-size: 1.25rem; line-height: 1; }

/* ---------- 6. Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem var(--space-md);
  max-width: var(--container);
  margin: 0 auto;
  gap: var(--space-md);
}
.logo {
  display: inline-flex;
  align-items: center;
}
.logo-img {
  display: block;
  height: 48px;
  width: auto;
  max-width: 260px;
}
@media (max-width: 600px) {
  .logo-img { height: 38px; max-width: 180px; }
}

.nav { display: none; }
.nav-toggle { display: flex; flex-direction: column; gap: 4px; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--color-white); transition: var(--transition); }

@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .nav { display: flex; align-items: center; gap: var(--space-md); }
  .nav a { color: var(--color-light-gray); font-weight: 500; font-size: 0.9375rem; transition: var(--transition); padding: 0.5rem; }
  .nav a:hover { color: var(--color-red); }
  .nav .btn { color: var(--color-white); padding: 0.625rem 1.25rem; font-size: 0.9375rem; }
}

/* Mobile menu drawer */
.nav-mobile {
  position: fixed;
  inset: 0 0 0 30%;
  background: var(--color-black);
  padding: 5rem var(--space-lg) var(--space-lg);
  transform: translateX(100%);
  transition: transform 300ms ease;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  z-index: 99;
}
.nav-mobile.active { transform: translateX(0); }
.nav-mobile a { color: var(--color-white); font-size: 1.125rem; font-weight: 600; padding: 0.75rem 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
.nav-mobile a:last-child { border-bottom: 0; margin-top: var(--space-md); }
@media (min-width: 900px) { .nav-mobile { display: none; } }

/* ---------- 7. Hero ---------- */
.hero {
  position: relative;
  color: var(--color-white);
  padding: var(--space-2xl) 0 var(--space-xl);
  overflow: hidden;
  isolation: isolate;
  min-height: clamp(560px, 80vh, 760px);
  display: flex;
  align-items: center;
}
/* Imagem de fundo + overlays escurecendo */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transform: scale(1.05);
  will-change: transform;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(110deg, rgba(10,10,10,0.92) 0%, rgba(10,10,10,0.75) 45%, rgba(10,10,10,0.45) 100%),
    linear-gradient(180deg, rgba(10,10,10,0.55), rgba(10,10,10,0.85));
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 85% 15%, rgba(237,27,34,0.22), transparent 55%),
    radial-gradient(circle at 10% 90%, rgba(237,27,34,0.10), transparent 50%);
  pointer-events: none;
}
.hero-inner { position: relative; max-width: 720px; }
.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
  font-size: clamp(2.25rem, 6.5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
  text-shadow: 0 2px 20px rgba(0,0,0,0.4);
}
.hero h1 .accent {
  color: var(--color-red);
  display: inline-block;
  position: relative;
}
.hero h1 .accent::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 4px;
  background: var(--color-red);
  border-radius: 4px;
  transform: scaleX(0);
  transform-origin: left;
  animation: heroUnderline 800ms 400ms ease-out forwards;
}
@keyframes heroUnderline { to { transform: scaleX(1); } }
.hero .lead {
  color: var(--color-light-gray);
  font-size: clamp(1.0625rem, 1.5vw, 1.3125rem);
  margin-bottom: var(--space-lg);
  max-width: 560px;
  text-shadow: 0 1px 12px rgba(0,0,0,0.3);
}
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--space-sm); margin-bottom: var(--space-md); }
.hero-microtext {
  color: var(--color-light-gray);
  font-size: 0.875rem;
  margin-bottom: var(--space-xl);
  opacity: 0.9;
  text-shadow: 0 1px 8px rgba(0,0,0,0.4);
}
.hero-microtext span[aria-hidden] { color: var(--color-red); font-size: 1em; margin-right: 4px; }
.hero-trust {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-md);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255,255,255,0.15);
}
.hero-trust-item {
  position: relative;
  padding-left: 14px;
}
.hero-trust-item::before {
  content: '';
  position: absolute;
  left: 0; top: 4px; bottom: 4px;
  width: 3px;
  background: var(--color-red);
  border-radius: 2px;
}
.hero-trust-item strong {
  color: var(--color-white);
  display: block;
  font-size: 1.625rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
}
.hero-trust-item span { display: block; font-size: 0.8125rem; color: var(--color-light-gray); margin-top: 6px; }

/* ---------- 7b. Faixa de specs (band entre hero e conteúdo) ---------- */
.specs-band {
  background: linear-gradient(180deg, var(--color-black), var(--color-graphite));
  color: var(--color-white);
  padding: var(--space-lg) 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.specs-band-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-md);
  text-align: center;
}
.specs-band-item {
  padding: var(--space-sm);
  position: relative;
}
.specs-band-item + .specs-band-item::before {
  content: '';
  position: absolute;
  left: 0; top: 25%; bottom: 25%;
  width: 1px;
  background: rgba(255,255,255,0.1);
}
.specs-band-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  color: var(--color-red);
  line-height: 1;
  letter-spacing: -0.02em;
}
.specs-band-label {
  display: block;
  margin-top: 8px;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-light-gray);
}

/* ---------- 7c. Galeria de obras ---------- */
.gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}
.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16/10;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition);
  margin: 0;
  background: var(--color-graphite);
}
/* Último item de número ímpar ocupa as 2 colunas (destaque widescreen) */
.gallery-item:last-child:nth-child(odd) {
  grid-column: 1 / -1;
  aspect-ratio: 21/9;
}
@media (max-width: 700px) {
  .gallery { grid-template-columns: 1fr; gap: var(--space-sm); }
  .gallery-item, .gallery-item:last-child:nth-child(odd) { aspect-ratio: 4/3; }
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  transition: transform 700ms cubic-bezier(0.2, 0.7, 0.2, 1);
  display: block;
}
.gallery-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.gallery-item:hover img { transform: scale(1.05); }

.gallery-caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: var(--space-md) var(--space-md) var(--space-md);
  background: linear-gradient(0deg, rgba(0,0,0,0.92) 0%, rgba(0,0,0,0.6) 60%, transparent 100%);
  color: var(--color-white);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  text-shadow: 0 2px 8px rgba(0,0,0,0.5);
}
.gallery-caption small {
  display: block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-red);
  margin-bottom: 6px;
  text-shadow: none;
}

/* ---------- 7d. Fade-in on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(0.2, 0.7, 0.2, 1);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- 8. Cards (Serviços, Aplicações, Cidades) ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-md);
}
.card {
  background: var(--color-white);
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: var(--transition);
}
.card:hover { border-color: var(--color-red); transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card-icon {
  width: 56px;
  height: 56px;
  background: var(--color-red);
  color: var(--color-white);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}
.card-icon .icon { width: 28px; height: 28px; }
.card h3 { color: var(--color-black); }
.card p { color: var(--color-gray); font-size: 0.9375rem; margin-bottom: 0; }
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin-top: var(--space-sm);
  color: var(--color-red);
  font-weight: 600;
  font-size: 0.9375rem;
  transition: var(--transition);
}
.card-link:hover { gap: 0.5rem; }

/* Dark cards */
.section-dark .card { background: var(--color-steel); border-color: rgba(255,255,255,0.08); }
.section-dark .card h3 { color: var(--color-white); }
.section-dark .card p { color: var(--color-light-gray); }

/* ---------- 9. Equipamento (specs) ---------- */
.specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-lg);
}
.spec {
  background: var(--color-white);
  border-left: 4px solid var(--color-red);
  padding: var(--space-md);
  border-radius: 0 var(--radius) var(--radius) 0;
  box-shadow: var(--shadow-sm);
}
.spec-label { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-gray); margin-bottom: 0.25rem; }
.spec-value { font-size: 1.5rem; font-weight: 800; color: var(--color-black); line-height: 1.2; }
.spec-unit { font-size: 0.875rem; font-weight: 500; color: var(--color-gray); }

/* ---------- 10. Forma de cobrança / Modalidades ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
}
.pricing-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  border: 2px solid var(--color-light-gray);
  text-align: center;
  transition: var(--transition);
}
.pricing-card.featured { border-color: var(--color-red); position: relative; }
.pricing-card.featured::before {
  content: 'MAIS PEDIDO';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-red);
  color: var(--color-white);
  font-size: 0.6875rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  padding: 4px 12px;
  border-radius: 100px;
}
.pricing-card h3 { color: var(--color-black); margin-bottom: 0.5rem; }
.pricing-card .pricing-sub { color: var(--color-gray); font-size: 0.9375rem; margin-bottom: var(--space-md); }
.pricing-card ul { text-align: left; margin: var(--space-md) 0; }
.pricing-card li { display: flex; gap: 0.5rem; align-items: flex-start; padding: 0.375rem 0; color: var(--color-text); font-size: 0.9375rem; }
.pricing-card li::before { content: '✓'; color: var(--color-red); font-weight: 800; flex-shrink: 0; }

/* ---------- 11. CTA Strip ---------- */
.cta-strip {
  background: linear-gradient(135deg, var(--color-red) 0%, var(--color-red-dark) 100%);
  color: var(--color-white);
  padding: var(--space-xl) var(--space-md);
  border-radius: var(--radius-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-strip::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 90% 50%, rgba(255,255,255,0.15), transparent 60%);
  pointer-events: none;
}
.cta-strip > * { position: relative; }
.cta-strip h2 { color: var(--color-white); margin-bottom: var(--space-sm); }
.cta-strip p { color: rgba(255,255,255,0.9); max-width: 540px; margin: 0 auto var(--space-lg); }

/* ---------- 12. Cidades ---------- */
.cities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-sm);
}
.city-card {
  background: var(--color-white);
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
  transition: var(--transition);
}
.city-card:hover { border-color: var(--color-red); background: var(--color-bg-alt); }
.city-card .city-name { font-weight: 700; color: var(--color-black); font-size: 1.0625rem; }
.city-card .city-distance { font-size: 0.8125rem; color: var(--color-gray); }
.city-card .city-arrow { margin-top: 0.5rem; color: var(--color-red); font-size: 0.875rem; font-weight: 700; }

/* ---------- 13. Footer ---------- */
.site-footer {
  background: var(--color-black);
  color: var(--color-light-gray);
  padding: var(--space-xl) 0 var(--space-md);
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}
.footer-col h4 { color: var(--color-white); font-size: 1rem; margin-bottom: var(--space-sm); text-transform: uppercase; letter-spacing: 0.08em; }
.footer-col p, .footer-col a { color: var(--color-light-gray); font-size: 0.9375rem; line-height: 1.8; }
.footer-col a:hover { color: var(--color-red); }
.footer-col ul li { padding: 2px 0; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--space-md);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-gray);
}

/* ---------- 14. WhatsApp Float Button ---------- */
.wa-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--color-whatsapp);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.5);
  z-index: 90;
  transition: var(--transition);
  animation: pulse 2s infinite;
}
.wa-float:hover { transform: scale(1.1); }
@keyframes pulse {
  0%, 100% { box-shadow: 0 8px 24px rgba(37, 211, 102, 0.5), 0 0 0 0 rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 8px 24px rgba(37, 211, 102, 0.5), 0 0 0 18px rgba(37, 211, 102, 0); }
}

/* ---------- 15. Aplicações (lista com check) ---------- */
.app-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}
.app-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: var(--space-sm);
  background: var(--color-white);
  border-radius: var(--radius);
  border: 1px solid var(--color-light-gray);
}
.app-item-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: var(--color-red);
  color: var(--color-white);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.app-item-icon .icon { width: 18px; height: 18px; }
.app-item div h4 { font-size: 1rem; margin-bottom: 2px; }
.app-item div p { font-size: 0.875rem; color: var(--color-gray); margin-bottom: 0; }

/* ---------- 16. FAQ ---------- */
.faq { max-width: 720px; margin: 0 auto; }
.faq-item {
  background: var(--color-white);
  border-radius: var(--radius);
  margin-bottom: var(--space-xs);
  border: 1px solid var(--color-light-gray);
  overflow: hidden;
}
.faq-question {
  width: 100%;
  padding: var(--space-md);
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 700;
  color: var(--color-black);
  font-size: 1rem;
  background: transparent;
}
.faq-question::after { content: '+'; color: var(--color-red); font-size: 1.5rem; line-height: 1; transition: transform 200ms ease; flex-shrink: 0; }
.faq-item.open .faq-question::after { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 300ms ease;
}
.faq-item.open .faq-answer { max-height: 500px; }
.faq-answer-inner { padding: 0 var(--space-md) var(--space-md); color: var(--color-text); line-height: 1.7; }

/* ---------- 17. Page Hero (interno) ---------- */
.page-hero {
  background: linear-gradient(135deg, var(--color-graphite), var(--color-black));
  color: var(--color-white);
  padding: var(--space-xl) 0 var(--space-lg);
}
.page-hero h1 { color: var(--color-white); }
.page-hero p { color: var(--color-light-gray); max-width: 680px; }
.breadcrumb { font-size: 0.875rem; color: var(--color-gray); margin-bottom: var(--space-sm); }
.breadcrumb a { color: var(--color-red); }
.breadcrumb a:hover { text-decoration: underline; }

/* ---------- 18. Content blocks ---------- */
.content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: start;
}
@media (min-width: 900px) {
  .content-grid.two-col { grid-template-columns: 1.2fr 1fr; }
}
.content-grid img { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.placeholder-img {
  background: linear-gradient(135deg, var(--color-steel), var(--color-graphite));
  color: var(--color-gray);
  border-radius: var(--radius-lg);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-lg);
  font-size: 0.875rem;
  border: 1px dashed var(--color-gray);
}
.content-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  display: block;
  object-fit: cover;
}

/* WhatsApp icon — usa CSS mask para herdar cor via currentColor */
.icon-wa {
  display: inline-block;
  width: 1.25em;
  height: 1.25em;
  vertical-align: -0.225em;
  background-color: currentColor;
  -webkit-mask: url("/assets/img/whatsapp.svg") no-repeat center / contain;
          mask: url("/assets/img/whatsapp.svg") no-repeat center / contain;
  flex-shrink: 0;
}
.btn-lg .icon-wa { width: 1.35em; height: 1.35em; }
.wa-float .icon-wa { width: 1.75em; height: 1.75em; vertical-align: middle; }

/* Icon set — usa CSS mask para herdar cor via currentColor */
.icon {
  display: inline-block;
  width: 1.1em;
  height: 1.1em;
  background-color: currentColor;
  vertical-align: middle;
  flex-shrink: 0;
  -webkit-mask-repeat: no-repeat;
          mask-repeat: no-repeat;
  -webkit-mask-position: center;
          mask-position: center;
  -webkit-mask-size: contain;
          mask-size: contain;
}
.icon-crane     { -webkit-mask-image: url("/assets/img/icons/crane.svg");     mask-image: url("/assets/img/icons/crane.svg"); }
.icon-gear      { -webkit-mask-image: url("/assets/img/icons/gear.svg");      mask-image: url("/assets/img/icons/gear.svg"); }
.icon-bolt      { -webkit-mask-image: url("/assets/img/icons/bolt.svg");      mask-image: url("/assets/img/icons/bolt.svg"); }
.icon-tree      { -webkit-mask-image: url("/assets/img/icons/tree.svg");      mask-image: url("/assets/img/icons/tree.svg"); }
.icon-hardhat   { -webkit-mask-image: url("/assets/img/icons/hardhat.svg");   mask-image: url("/assets/img/icons/hardhat.svg"); }
.icon-shield    { -webkit-mask-image: url("/assets/img/icons/shield.svg");    mask-image: url("/assets/img/icons/shield.svg"); }
.icon-chat      { -webkit-mask-image: url("/assets/img/icons/chat.svg");      mask-image: url("/assets/img/icons/chat.svg"); }
.icon-phone     { -webkit-mask-image: url("/assets/img/icons/phone.svg");     mask-image: url("/assets/img/icons/phone.svg"); }
.icon-mail      { -webkit-mask-image: url("/assets/img/icons/mail.svg");      mask-image: url("/assets/img/icons/mail.svg"); }
.icon-instagram { -webkit-mask-image: url("/assets/img/icons/instagram.svg"); mask-image: url("/assets/img/icons/instagram.svg"); }
.icon-wood      { -webkit-mask-image: url("/assets/img/icons/wood.svg");      mask-image: url("/assets/img/icons/wood.svg"); }
.icon-antenna   { -webkit-mask-image: url("/assets/img/icons/antenna.svg");   mask-image: url("/assets/img/icons/antenna.svg"); }
.icon-lightbulb { -webkit-mask-image: url("/assets/img/icons/lightbulb.svg"); mask-image: url("/assets/img/icons/lightbulb.svg"); }
.icon-building  { -webkit-mask-image: url("/assets/img/icons/building.svg");  mask-image: url("/assets/img/icons/building.svg"); }
.icon-sign      { -webkit-mask-image: url("/assets/img/icons/sign.svg");      mask-image: url("/assets/img/icons/sign.svg"); }
.icon-wrench    { -webkit-mask-image: url("/assets/img/icons/wrench.svg");    mask-image: url("/assets/img/icons/wrench.svg"); }
.icon-clock     { -webkit-mask-image: url("/assets/img/icons/clock.svg");     mask-image: url("/assets/img/icons/clock.svg"); }

/* Inline icon antes de heading/parágrafo — alinhar com texto */
h3 > .icon, p > .icon { vertical-align: -0.18em; margin-right: .35em; color: var(--color-red); }

/* Footer/contact links — alinhar ícone com texto */
.site-footer .footer-col ul li a { display: inline-flex; align-items: center; gap: .55em; }
.site-footer .footer-col ul li a .icon { width: 1em; height: 1em; }

/* ---------- 19. Utilitários ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-0 { margin-bottom: 0; }
.hide-mobile { display: none; }
@media (min-width: 768px) { .hide-mobile { display: initial; } .hide-desktop { display: none; } }

/* ---------- 20. Acessibilidade ---------- */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
*:focus-visible { outline: 3px solid var(--color-red); outline-offset: 2px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}