/* ==========================================================================
   HM CONSTRUTORA ELÉTRICA — DESIGN SYSTEM & ESTILOS PRINCIPAIS
   Paleta: #FFFFFF (Fundo) | #222222 (Texto Escuro) | #E21F26 (Vermelho Destaque/CTA)
   Otimizado para: Performance, Mobile-First, Acessibilidade (WCAG AA) e Conversão B2B
   ========================================================================== */

:root {
  /* Cores Principais */
  --color-primary: #E21F26;
  --color-primary-hover: #C0141A;
  --color-primary-dark: #9A0D12;
  --color-primary-light: #FFECEC;
  --color-primary-glow: rgba(226, 31, 38, 0.25);

  --color-dark: #1A1A1A;
  --color-dark-surface: #242424;
  --color-text-main: #222222;
  --color-text-muted: #555555;
  --color-text-light: #777777;
  --color-bg-white: #FFFFFF;
  --color-bg-alt: #F8F9FA;
  --color-bg-card: #FFFFFF;
  --color-border: #E5E7EB;
  --color-border-light: #F0F2F5;

  --color-success: #10B981;
  --color-whatsapp: #25D366;
  --color-whatsapp-hover: #1EBE5D;

  /* Tipografia */
  --font-main: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-heading: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Espaçamento e Estrutura */
  --container-width: 1200px;
  --header-height: 76px;
  --header-height-mobile: 68px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Sombras */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-hover: 0 15px 30px -5px rgba(226, 31, 38, 0.12), 0 8px 10px -5px rgba(0, 0, 0, 0.04);

  /* Transições */
  --transition-fast: 0.18s ease;
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   RESET & BASE
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-bg-white);
  color: var(--color-text-main);
  line-height: 1.6;
  font-size: 1.125rem; /* 18px para leitura confortável no mobile e desktop */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover, a:focus-visible {
  color: var(--color-primary-hover);
}

button, input, select, textarea {
  font: inherit;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-dark);
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 { font-size: 2.15rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.15rem; }

p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--color-dark);
  color: #FFFFFF;
  padding: 0.75rem 1.25rem;
  z-index: 9999;
  border-radius: var(--radius-sm);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 1rem;
}

/* ==========================================================================
   LAYOUT CONTAINERS
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.section {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.section-alt {
  background-color: var(--color-bg-alt);
}

.section-dark {
  background-color: var(--color-dark);
  color: #FFFFFF;
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: #FFFFFF;
}

.section-dark p {
  color: #CCCCCC;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3rem;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}

.badge-tag--light {
  background-color: rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
}

.section-title {
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   BOTÕES & CTAS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.9rem 1.8rem;
  font-size: 1.05rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
  min-height: 52px;
  line-height: 1.2;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #FFFFFF !important;
  border-color: var(--color-primary);
  box-shadow: 0 4px 14px rgba(226, 31, 38, 0.35);
}

.btn-primary:hover, .btn-primary:focus-visible {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(226, 31, 38, 0.45);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-dark) !important;
  border-color: var(--color-border);
  background-color: #FFFFFF;
}

.btn-secondary:hover, .btn-secondary:focus-visible {
  border-color: var(--color-primary);
  color: var(--color-primary) !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.btn-outline-white {
  background-color: transparent;
  color: #FFFFFF !important;
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline-white:hover, .btn-outline-white:focus-visible {
  background-color: #FFFFFF;
  color: var(--color-dark) !important;
  border-color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-whatsapp {
  background-color: var(--color-whatsapp);
  color: #FFFFFF !important;
  border-color: var(--color-whatsapp);
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover, .btn-whatsapp:focus-visible {
  background-color: var(--color-whatsapp-hover);
  border-color: var(--color-whatsapp-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
}

.btn-block {
  width: 100%;
}

.btn svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* ==========================================================================
   HEADER & NAVBAR
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 99990;
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-normal);
}

body {
  padding-top: var(--header-height);
}

@media (max-width: 768px) {
  :root {
    --header-height: 68px;
  }
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-logo img,
.brand-logo svg {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.nav-links {
  display: none;
}

.header-cta {
  display: none;
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px;
  cursor: pointer;
  z-index: 100000;
}

.menu-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--color-dark);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Navigation Drawer */
.mobile-nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  width: 100vw;
  height: calc(100vh - var(--header-height));
  height: calc(100dvh - var(--header-height));
  background-color: #FFFFFF;
  padding: 1.5rem 1.25rem 3rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 1.5rem;
  transform: translateY(-110%);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease, visibility 0.25s ease;
  z-index: 99999;
  border-top: 1px solid var(--color-border);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.35);
}

.mobile-nav.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-nav ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-nav a {
  display: flex;
  align-items: center;
  padding: 0.9rem 1rem;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-dark);
  border-radius: var(--radius-md);
  border-left: 4px solid transparent;
}

.mobile-nav a:hover,
.mobile-nav a.active {
  background-color: var(--color-bg-alt);
  color: var(--color-primary);
  border-left-color: var(--color-primary);
}

.mobile-nav-footer {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
  position: relative;
  background: linear-gradient(135deg, #111111 0%, #1F1F1F 100%);
  color: #FFFFFF;
  padding: 3.5rem 0 4.5rem;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(circle at 80% 20%, rgba(226, 31, 38, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-content h1 {
  color: #FFFFFF;
  font-size: 2.25rem;
  line-height: 1.2;
  margin-bottom: 1.25rem;
}

.hero-content h1 .highlight {
  color: var(--color-primary);
  position: relative;
}

.hero-text {
  font-size: 1.15rem;
  color: #D1D5DB;
  margin-bottom: 2rem;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero-trust-badges {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 1.5rem;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.trust-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(226, 31, 38, 0.15);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.trust-text strong {
  display: block;
  font-size: 0.95rem;
  color: #FFFFFF;
}

.trust-text span {
  font-size: 0.8rem;
  color: #9CA3AF;
}

.hero-media {
  position: relative;
}

.hero-card-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  position: relative;
}

.hero-card-image img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform 0.6s ease;
}

.hero-card-image:hover img {
  transform: scale(1.05);
}

.hero-floating-stat {
  position: absolute;
  bottom: -15px;
  right: 15px;
  background: #FFFFFF;
  color: var(--color-dark);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-left: 4px solid var(--color-primary);
}

.hero-floating-stat strong {
  font-size: 1.25rem;
  display: block;
  line-height: 1.1;
}

.hero-floating-stat span {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   DIFERENCIAIS & AUTORIDADE
   ========================================================================== */
.differentials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.diff-card {
  background: var(--color-bg-white);
  padding: 2rem 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.diff-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--color-border);
  transition: background var(--transition-fast);
}

.diff-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-primary-glow);
}

.diff-card:hover::before {
  background: var(--color-primary);
}

.diff-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 1.25rem;
}

.diff-card h3 {
  margin-bottom: 0.75rem;
}

/* ==========================================================================
   SERVIÇOS (CAROUSEL / GRID)
   ========================================================================== */
.services-slider-container {
  position: relative;
}

.services-slider {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  gap: 1.5rem;
  padding: 1rem 0.25rem 2rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--color-primary) var(--color-border-light);
}

.services-slider::-webkit-scrollbar {
  height: 6px;
}

.services-slider::-webkit-scrollbar-track {
  background: var(--color-border-light);
  border-radius: 3px;
}

.services-slider::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: 3px;
}

.service-card {
  flex: 0 0 88%;
  max-width: 360px;
  scroll-snap-align: start;
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.service-image {
  height: 200px;
  width: 100%;
  overflow: hidden;
  position: relative;
}

.service-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover .service-image img {
  transform: scale(1.06);
}

.service-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  color: #FFFFFF;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.service-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-body h3 {
  margin-bottom: 0.75rem;
}

.service-body p {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.service-features {
  margin-bottom: 1.5rem;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--color-text-main);
  margin-bottom: 0.4rem;
}

.service-features li svg {
  color: var(--color-primary);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.service-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--color-border-light);
  padding-top: 1rem;
}

.service-link {
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

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

.slider-nav-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 1rem;
}

.slider-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-bg-white);
  color: var(--color-dark);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.slider-btn:hover, .slider-btn:focus-visible {
  background: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}

/* ==========================================================================
   PORTFÓLIO & OBRAS REALIZADAS
   ========================================================================== */
.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.portfolio-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.portfolio-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.portfolio-img-wrap {
  position: relative;
  height: 240px;
  overflow: hidden;
}

.portfolio-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.portfolio-card:hover .portfolio-img-wrap img {
  transform: scale(1.06);
}

.portfolio-caption {
  padding: 1.25rem 1.5rem;
}

.portfolio-tag {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
  display: block;
}

.portfolio-caption h3 {
  font-size: 1.15rem;
  margin-bottom: 0.25rem;
}

.portfolio-caption p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   REGIÃO DE ATUAÇÃO (GOIÁS E DISTRITO FEDERAL)
   ========================================================================== */
.region-box {
  background: linear-gradient(135deg, #1A1A1A 0%, #292929 100%);
  color: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 3rem 1.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  border-left: 6px solid var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.region-content h3 {
  color: #FFFFFF;
  font-size: 1.6rem;
  margin-bottom: 1rem;
}

.region-content p {
  color: #D1D5DB;
  margin-bottom: 1.5rem;
}

.cities-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.cities-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  color: #F3F4F6;
}

.cities-list li svg {
  color: var(--color-primary);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ==========================================================================
   FAQ ACCORDION
   ========================================================================== */
.faq-list {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-item.is-open {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  background: transparent;
  border: none;
  text-align: left;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-dark);
  cursor: pointer;
  gap: 1rem;
}

.faq-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-normal);
  color: var(--color-primary);
  flex-shrink: 0;
}

.faq-item.is-open .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal), padding var(--transition-normal);
  padding: 0 1.5rem;
  color: var(--color-text-muted);
}

.faq-item.is-open .faq-answer {
  max-height: 300px;
  padding-bottom: 1.25rem;
}

/* ==========================================================================
   FORMULÁRIO DE ORÇAMENTO & CONTATO
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

.contact-card {
  background: var(--color-bg-white);
  padding: 2.5rem 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  font-size: 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: #FFFFFF;
  color: var(--color-text-main);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

textarea.form-control {
  min-height: 130px;
  resize: vertical;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}

.contact-info-text strong {
  display: block;
  color: var(--color-dark);
  font-size: 1rem;
}

.contact-info-text a,
.contact-info-text p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin: 0;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background-color: #141414;
  color: #D1D5DB;
  padding-top: 4rem;
  border-top: 4px solid var(--color-primary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand p {
  color: #9CA3AF;
  font-size: 0.95rem;
  margin-top: 1rem;
  max-width: 320px;
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 1.15rem;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 36px;
  height: 2px;
  background-color: var(--color-primary);
}

.footer-links li {
  margin-bottom: 0.6rem;
}

.footer-links a {
  color: #9CA3AF;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: #FFFFFF;
  padding-left: 4px;
}

.footer-bottom {
  padding: 1.5rem 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.875rem;
  color: #6B7280;
  text-align: center;
}

/* ==========================================================================
   BOTÃO FLUTUANTE WHATSAPP
   ========================================================================== */
.whatsapp-float-btn {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 60px;
  height: 60px;
  background-color: var(--color-whatsapp);
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(37, 211, 102, 0.4);
  z-index: 990;
  transition: all var(--transition-normal);
  animation: pulse-wa 2.5s infinite;
}

.whatsapp-float-btn:hover {
  background-color: var(--color-whatsapp-hover);
  transform: scale(1.1);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.6);
  color: #FFFFFF;
}

.whatsapp-float-btn svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

@keyframes pulse-wa {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
  }
  70% {
    box-shadow: 0 0 0 16px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

/* ==========================================================================
   BREAKPOINTS: TABLET & DESKTOP
   ========================================================================== */
@media (min-width: 640px) {
  .hero-actions {
    flex-direction: row;
  }
  
  .differentials-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-bottom {
    flex-direction: row;
    text-align: left;
  }
}

@media (min-width: 992px) {
  h1 { font-size: 3rem; }
  h2 { font-size: 2.25rem; }
  h3 { font-size: 1.5rem; }

  .menu-toggle,
  .mobile-nav {
    display: none !important;
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
  }

  .nav-links a {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-dark);
    padding: 0.5rem 0;
    position: relative;
  }

  .nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2.5px;
    background-color: var(--color-primary);
    transition: width var(--transition-fast);
  }

  .nav-links a:hover::after,
  .nav-links a.active::after {
    width: 100%;
  }

  .header-cta {
    display: flex;
    align-items: center;
    gap: 1rem;
  }

  .hero {
    padding: 5rem 0 6rem;
  }

  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
  }

  .hero-content h1 {
    font-size: 3.15rem;
  }

  .hero-card-image img {
    height: 460px;
  }

  .differentials-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .service-card {
    flex-basis: 31%;
    max-width: none;
  }

  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .region-box {
    grid-template-columns: 1.2fr 0.8fr;
    padding: 4rem 3rem;
  }

  .contact-grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
  }

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
  }
}

/* ==========================================================================
   BLOG & ARTIGOS
   ========================================================================== */
.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.blog-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.blog-card-media {
  height: 220px;
  overflow: hidden;
  position: relative;
}

.blog-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.blog-card:hover .blog-card-media img {
  transform: scale(1.06);
}

.blog-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.blog-meta {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.blog-card-body h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  line-height: 1.35;
}

.blog-card-body p {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: #9CA3AF;
  margin-bottom: 1.5rem;
}

.breadcrumbs a {
  color: #D1D5DB;
}

.breadcrumbs a:hover {
  color: #FFFFFF;
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  padding: 3rem 0;
}

.article-main {
  max-width: 820px;
}

.article-content h2 {
  font-size: 1.65rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-border-light);
}

.article-content h3 {
  font-size: 1.35rem;
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
}

.article-content p {
  font-size: 1.125rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
  color: #333333;
}

.article-content ul, .article-content ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.article-content li {
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
  line-height: 1.6;
}

.article-cta-box {
  background: linear-gradient(135deg, #FFF5F5 0%, #FFEBEB 100%);
  border: 2px solid #FED7D7;
  border-left: 6px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 2rem;
  margin: 2.5rem 0;
}

.article-cta-box h3 {
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.article-cta-box p {
  color: var(--color-text-main);
  margin-bottom: 1.25rem;
}

.article-author-box {
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-top: 3rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  border: 1px solid var(--color-border);
}

.author-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  flex-shrink: 0;
}

.author-info strong {
  display: block;
  font-size: 1.1rem;
  color: var(--color-dark);
}

.author-info span {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

@media (min-width: 768px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .article-layout {
    grid-template-columns: 1fr 340px;
  }
  
  .sticky-sidebar {
    position: sticky;
    top: 100px;
  }
}