/* ==========================================================
   SOCLEM - SANTOS E OLIVEIRA CONSTRUTORA E SERVIÇOS
   Sistema de Design Oficial: Brand Board Outubro 2026
   Scroll Cinema Engine v2.5 (Limpo, Elegante & Arquitetônico)
   ========================================================== */

:root {
  /* Paleta Oficial Brand Board SOCLEM */
  --color-yellow: #FFD21C;
  --color-yellow-hover: #E5BB0C;
  --color-graphite: #202124;
  --color-graphite-dark: #121315;
  --color-graphite-surface: #1A1B1E;
  --color-white: #FFFFFF;
  --color-concrete: #F4F5F7;
  --color-concrete-card: #FFFFFF;
  --color-tech-gray: #4A5056;
  --color-tech-gray-light: #7E8690;
  --color-border-dark: rgba(255, 255, 255, 0.12);
  --color-border-light: rgba(32, 33, 36, 0.08);

  /* Tipografia Oficial */
  --font-heading: 'Barlow Condensed', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;

  /* Espaçamento Modular (Múltiplos de 8px) */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 32px;
  --space-xl: 48px;
  --space-2xl: 64px;
  --space-3xl: 96px;

  /* Transições & Efeitos */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.06);
  --shadow-strong: 0 16px 40px rgba(0, 0, 0, 0.18);
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.08);
}

/* Reset Universal */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-body);
  background-color: var(--color-graphite-dark);
  color: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  line-height: 1.6;
}

img, video {
  max-width: 100%;
  display: block;
}

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

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

/* Utilitários de Layout */
.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

.container-sm {
  max-width: 860px;
}

/* ==========================================================
   HEADER / NAVBAR
   ========================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(18, 19, 21, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border-dark);
  transition: all var(--transition-fast);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.brand-logo {
  height: 48px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

.brand-link:hover .brand-logo {
  transform: scale(1.03);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.02em;
  position: relative;
  padding: 4px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--color-yellow);
  transition: width var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-yellow);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  font-family: var(--font-heading);
  font-size: 19px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: var(--color-yellow);
  color: var(--color-graphite-dark);
  box-shadow: 0 4px 14px rgba(255, 210, 28, 0.35);
}

.btn-primary:hover {
  background: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.25);
}

.btn-outline {
  background: transparent;
  color: var(--color-graphite);
  border: 2px solid var(--color-graphite);
}

.btn-outline:hover {
  background: var(--color-graphite);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-block {
  width: 100%;
}

.btn-whatsapp {
  background: #25D366;
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
  background: #20ba59;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-white);
}

/* ==========================================================
   SCROLL CINEMA HERO (DESIGN LIMPO, SEM POLUIÇÃO)
   ========================================================== */
.sc-hero {
  position: relative;
  height: 500vh;
  background: var(--color-graphite-dark);
}

.sc-sticky {
  position: sticky;
  top: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background: #000;
}

.sc-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 1;
  z-index: 1;
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

/* Loader */
.sc-loader {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 10;
  background: var(--color-graphite-dark);
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.sc-loader.is-gone {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-content {
  text-align: center;
  max-width: 380px;
  padding: var(--space-md);
}

.loader-logo {
  height: 54px;
  margin: 0 auto var(--space-md);
  filter: drop-shadow(0 0 16px rgba(255, 210, 28, 0.3));
}

.loader-bar-wrap {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: var(--space-sm);
}

.loader-bar-fill {
  width: 40%;
  height: 100%;
  background: var(--color-yellow);
  animation: pulseLoading 1.2s infinite;
}

@keyframes pulseLoading {
  0% { transform: translateX(-100%); }
  50% { transform: translateX(50%); }
  100% { transform: translateX(200%); }
}

.loader-text {
  font-size: 13px;
  color: var(--color-tech-gray-light);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Overlays */
.sc-overlay-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 180px;
  background: linear-gradient(to bottom, rgba(18, 19, 21, 0.95), transparent);
  z-index: 2;
  pointer-events: none;
}

.sc-overlay-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 240px;
  background: linear-gradient(to top, rgba(18, 19, 21, 0.98) 5%, rgba(18, 19, 21, 0.4) 60%, transparent);
  z-index: 2;
  pointer-events: none;
}

/* Conteúdo Narrativo Limpo */
.sc-content-layer {
  position: absolute;
  left: var(--space-xl);
  bottom: 80px;
  max-width: 780px;
  z-index: 3;
  pointer-events: none;
}

.sc-badge-strip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(18, 19, 21, 0.85);
  border: 1px solid rgba(255, 210, 28, 0.5);
  border-radius: 50px;
  margin-bottom: var(--space-sm);
  backdrop-filter: blur(8px);
}

.sc-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-yellow);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-yellow);
}

.sc-badge-text {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-yellow);
  letter-spacing: 0.1em;
}

.sc-narrative {
  display: none;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.sc-narrative.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.sc-title {
  font-family: var(--font-heading);
  font-size: clamp(42px, 6vw, 70px);
  font-weight: 800;
  line-height: 1.05;
  text-transform: uppercase;
  color: var(--color-white);
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.9);
  margin-bottom: var(--space-xs);
}

.sc-desc {
  font-size: clamp(16px, 1.8vw, 19px);
  color: rgba(255, 255, 255, 0.92);
  max-width: 640px;
  line-height: 1.5;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.9);
}

/* Indicador Minimalista de Rolagem */
.sc-scroll-indicator {
  position: absolute;
  right: var(--space-xl);
  bottom: 40px;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 4;
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.mouse-icon {
  width: 22px;
  height: 34px;
  border: 2px solid var(--color-yellow);
  border-radius: 12px;
  position: relative;
  box-shadow: 0 0 10px rgba(255, 210, 28, 0.2);
}

.mouse-wheel {
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 6px;
  background: var(--color-yellow);
  border-radius: 2px;
  animation: scrollWheel 1.6s infinite;
}

@keyframes scrollWheel {
  0% { transform: translate(-50%, 0); opacity: 1; }
  100% { transform: translate(-50%, 12px); opacity: 0; }
}

/* ==========================================================
   LINHA SUTIL DE TRANSIÇÃO (1PX LUXURY BORDER DIVIDER)
   ========================================================== */
.light-beam-divider,
.subtle-line-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 210, 28, 0.15) 15%,
    rgba(255, 235, 175, 0.75) 50%,
    rgba(255, 210, 28, 0.15) 85%,
    transparent 100%
  );
  position: relative;
  z-index: 10;
  margin: 0;
  border: none;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* ==========================================================
   SEÇÃO QUEM SOMOS + COMPARADOR INTERATIVO ANTES & DEPOIS
   ========================================================== */
.section-about {
  background: var(--color-white);
  color: var(--color-graphite);
  padding: var(--space-3xl) 0 var(--space-2xl);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--color-graphite);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
  border-bottom: 2px solid var(--color-yellow);
  padding-bottom: 2px;
}

.about-title {
  font-family: var(--font-heading);
  font-size: clamp(36px, 4.2vw, 54px);
  font-weight: 800;
  line-height: 1.1;
  text-transform: uppercase;
  color: var(--color-graphite);
  margin-bottom: var(--space-md);
}

.highlight-yellow {
  color: #c99800;
  background: linear-gradient(120deg, rgba(255, 210, 28, 0.25) 0%, rgba(255, 210, 28, 0) 100%);
  padding: 0 4px;
}

.about-text {
  font-size: 16px;
  color: var(--color-tech-gray);
  line-height: 1.7;
  margin-bottom: var(--space-sm);
}

.about-cta {
  margin-top: var(--space-lg);
}

/* SLIDER COMPARATIVO ANTES & DEPOIS */
.comparison-container {
  position: relative;
  width: 100%;
  height: 380px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-strong);
  cursor: ew-resize;
  user-select: none;
}

.comparison-before,
.comparison-after {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.comparison-before img,
.comparison-after img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.comparison-after {
  width: 50%;
  overflow: hidden;
  border-right: 3px solid var(--color-yellow);
}

.comparison-tag {
  position: absolute;
  bottom: 16px;
  background: rgba(18, 19, 21, 0.85);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 3px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.tag-before {
  right: 16px;
  border-left: 3px solid var(--color-tech-gray-light);
}

.tag-after {
  left: 16px;
  border-left: 3px solid var(--color-yellow);
}

.comparison-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 10;
}

.handle-circle {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--color-yellow);
  color: var(--color-graphite-dark);
  display: grid;
  place-items: center;
  box-shadow: 0 0 16px rgba(0,0,0,0.4);
}

.comparison-tip {
  font-size: 12px;
  color: var(--color-tech-gray-light);
  text-align: center;
  margin-top: 10px;
  letter-spacing: 0.02em;
}

/* ==========================================================
   FAIXA DE NÚMEROS / DIFERENCIAIS
   ========================================================== */
.section-numbers {
  background: var(--color-graphite-dark);
  border-top: 1px solid var(--color-border-dark);
  border-bottom: 1px solid var(--color-border-dark);
  padding: var(--space-xl) 0;
}

.numbers-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.number-item {
  flex: 1;
  min-width: 200px;
  text-align: center;
}

.num-val {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(38px, 4vw, 54px);
  font-weight: 800;
  color: var(--color-yellow);
  line-height: 1;
  margin-bottom: 6px;
}

.num-label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.number-divider {
  width: 1px;
  height: 50px;
  background: var(--color-border-dark);
}

/* ==========================================================
   OS 4 PILARES DE EXCELÊNCIA
   ========================================================== */
.section-pillars {
  background: var(--color-concrete);
  color: var(--color-graphite);
  padding: var(--space-3xl) 0;
}

.pillars-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-2xl);
}

.pillars-title {
  font-family: var(--font-heading);
  font-size: clamp(34px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.1;
  text-transform: uppercase;
  color: var(--color-graphite);
  margin-bottom: var(--space-xs);
}

.pillars-lead {
  font-size: 16px;
  color: var(--color-tech-gray);
  line-height: 1.6;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-lg);
}

.pillar-card {
  background: var(--color-white);
  border-radius: 8px;
  padding: var(--space-xl) var(--space-lg);
  box-shadow: var(--shadow-subtle);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-fast);
  text-align: center;
}

.pillar-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
  border-color: var(--color-yellow);
}

.pillar-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--space-md);
  border-radius: 50%;
  background: rgba(255, 210, 28, 0.15);
  color: var(--color-graphite);
  display: grid;
  place-items: center;
  transition: background var(--transition-fast);
}

.pillar-card:hover .pillar-icon {
  background: var(--color-yellow);
}

.pillar-name {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-graphite);
  margin-bottom: var(--space-xs);
}

.pillar-desc {
  font-size: 14px;
  color: var(--color-tech-gray);
  line-height: 1.6;
}

/* ==========================================================
   VITRINE DOS 6 EIXOS DE ATUAÇÃO
   ========================================================== */
.section-atividades {
  background: var(--color-white);
  color: var(--color-graphite);
  padding: var(--space-3xl) 0;
}

.section-top {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(34px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.1;
  text-transform: uppercase;
  color: var(--color-graphite);
}

.section-lead {
  font-size: 16px;
  color: var(--color-tech-gray);
  max-width: 500px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-lg);
}

.service-card {
  background: var(--color-concrete);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
  border-color: var(--color-yellow);
  background: var(--color-white);
}

.service-media {
  position: relative;
  height: 230px;
  overflow: hidden;
}

.service-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.service-card:hover .service-media img {
  transform: scale(1.08);
}

.cnae-tag {
  position: absolute;
  top: 14px;
  right: 14px;
  background: var(--color-graphite-dark);
  color: var(--color-yellow);
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 2px;
  letter-spacing: 0.05em;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.service-body {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-name {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-graphite);
  margin-bottom: var(--space-xs);
}

.service-desc {
  font-size: 14px;
  color: var(--color-tech-gray);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.service-points {
  list-style: none;
  margin-top: auto;
  border-top: 1px dashed var(--color-border-light);
  padding-top: var(--space-sm);
}

.service-points li {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-graphite);
  position: relative;
  padding-left: 18px;
  margin-bottom: 6px;
}

.service-points li::before {
  content: '▪';
  position: absolute;
  left: 0;
  color: var(--color-yellow);
  font-size: 16px;
}

/* ==========================================================
   METODOLOGIA EM 4 ETAPAS COM SCROLLTELLING
   ========================================================== */
.section-processo {
  background: var(--color-graphite-dark);
  padding: var(--space-3xl) 0;
  position: relative;
}

.processo-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--space-2xl);
}

.section-processo .section-title {
  color: var(--color-white);
}

.section-subtitle {
  font-size: 16px;
  color: var(--color-tech-gray-light);
  line-height: 1.6;
  margin-top: var(--space-xs);
}

.processo-progress-track {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  margin-bottom: var(--space-2xl);
  overflow: hidden;
  position: relative;
}

.processo-progress-bar {
  width: 0%;
  height: 100%;
  background: var(--color-yellow);
  box-shadow: 0 0 12px var(--color-yellow);
  transition: width 0.1s linear;
}

.timeline-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
}

.timeline-step {
  background: var(--color-graphite-surface);
  border: 1px solid var(--color-border-dark);
  padding: var(--space-lg);
  border-radius: 6px;
  transition: all var(--transition-smooth);
  position: relative;
}

.timeline-step.is-active {
  border-color: var(--color-yellow);
  box-shadow: 0 8px 24px rgba(255, 210, 28, 0.15);
  transform: translateY(-4px);
}

.step-num {
  font-family: var(--font-heading);
  font-size: 54px;
  font-weight: 800;
  color: rgba(255, 210, 28, 0.25);
  line-height: 1;
  margin-bottom: var(--space-xs);
  transition: color var(--transition-fast);
}

.timeline-step.is-active .step-num {
  color: var(--color-yellow);
}

.step-title {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-xs);
}

.step-desc {
  font-size: 14px;
  color: var(--color-tech-gray-light);
  line-height: 1.6;
}

/* ==========================================================
   FAQ ACCORDION
   ========================================================== */
.section-faq {
  background: var(--color-graphite);
  padding: var(--space-3xl) 0;
}

.faq-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-faq .section-title {
  color: var(--color-white);
}

.accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.acc-item {
  background: var(--color-graphite-surface);
  border: 1px solid var(--color-border-dark);
  border-radius: 6px;
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.acc-item:hover {
  border-color: rgba(255, 210, 28, 0.4);
}

.acc-header {
  width: 100%;
  padding: var(--space-md);
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 17px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  text-align: left;
  gap: var(--space-sm);
}

.acc-icon {
  font-size: 24px;
  font-weight: 300;
  color: var(--color-yellow);
  transition: transform var(--transition-fast);
}

.acc-item.is-open .acc-icon {
  transform: rotate(45deg);
}

.acc-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), padding 0.35s ease;
  padding: 0 var(--space-md);
  color: var(--color-tech-gray-light);
  font-size: 15px;
  line-height: 1.6;
}

.acc-item.is-open .acc-body {
  padding-bottom: var(--space-md);
}

/* ==========================================================
   CONTATO & FORMULÁRIO COM WHATSAPP INTEGRADO
   ========================================================== */
.section-contato {
  background: var(--color-concrete);
  color: var(--color-graphite);
  padding: var(--space-3xl) 0;
}

.contact-card {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-2xl);
  background: var(--color-white);
  border-radius: 12px;
  box-shadow: var(--shadow-strong);
  overflow: hidden;
}

.contact-info {
  background: var(--color-graphite-dark);
  color: var(--color-white);
  padding: var(--space-2xl);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.section-tag-light {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-yellow);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
}

.contact-title {
  font-family: var(--font-heading);
  font-size: clamp(32px, 3.5vw, 44px);
  font-weight: 800;
  text-transform: uppercase;
  color: var(--color-yellow);
  margin-bottom: var(--space-sm);
  line-height: 1.1;
}

.contact-text {
  font-size: 16px;
  color: var(--color-concrete);
  line-height: 1.6;
  margin-bottom: var(--space-xl);
}

.contact-direct {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.direct-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.direct-icon {
  font-size: 20px;
}

.direct-item strong {
  display: block;
  font-size: 14px;
  color: var(--color-yellow);
}

.direct-item p {
  font-size: 14px;
  color: var(--color-concrete);
}

.direct-item a:hover {
  color: var(--color-yellow);
}

.contact-form {
  padding: var(--space-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-title {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 700;
  color: var(--color-graphite);
  margin-bottom: var(--space-xs);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-graphite);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px;
  border: 1px solid var(--color-border-light);
  border-radius: 4px;
  font-size: 14px;
  color: var(--color-graphite);
  background: var(--color-concrete);
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-yellow);
  background: var(--color-white);
  box-shadow: 0 0 0 3px rgba(255, 210, 28, 0.2);
}

.form-footnote {
  font-size: 11px;
  color: var(--color-tech-gray);
  text-align: center;
}

/* ==========================================================
   FOOTER CORPORATIVO
   ========================================================== */
.footer {
  background: var(--color-graphite-dark);
  color: var(--color-tech-gray-light);
  border-top: 1px solid var(--color-border-dark);
  padding: var(--space-3xl) 0 var(--space-md);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}

.footer-logo {
  height: 44px;
  margin-bottom: var(--space-sm);
}

.footer-quote {
  font-size: 14px;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
  font-style: italic;
}

.footer-legal {
  display: block;
  font-size: 12px;
  color: var(--color-tech-gray-light);
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.footer-links h4 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-yellow);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a:hover {
  color: var(--color-yellow);
}

.footer-links p {
  font-size: 14px;
  line-height: 1.6;
}

.footer-bottom {
  border-top: 1px solid var(--color-border-dark);
  padding-top: var(--space-md);
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* ==========================================================
   RESPONSIVIDADE E OTIMIZAÇÃO MOBILE PROFISSIONAL
   ========================================================== */
@media (max-width: 992px) {
  .nav-menu {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-card {
    grid-template-columns: 1fr;
  }
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
}

@media (max-width: 768px) {
  /* 1. Header e Botão Fale Conosco Compacto e Elegante */
  .navbar {
    height: 64px;
  }
  .nav-container {
    height: 64px;
    padding: 0 16px;
  }
  .brand-logo {
    height: 36px;
  }
  .navbar .btn-primary {
    height: 38px;
    padding: 0 14px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.03em;
    white-space: nowrap;
    gap: 6px;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(255, 210, 28, 0.25);
  }
  .navbar .btn-primary svg {
    width: 14px;
    height: 14px;
  }
  .mobile-toggle {
    padding: 6px;
  }

  /* 2. Hero Cinematográfico Otimizado para Toque */
  .sc-hero {
    height: 250vh; /* Altura ágil no celular: 4-5 deslizes de polegar sem travar o usuário */
  }
  .sc-sticky {
    height: 100vh;
    height: 100dvh;
    width: 100%;
  }

  /* Enquadramento Perfeito: Escavadeira na Terraplanagem e Entrada da Mansão */
  .sc-video {
    object-position: 34% 50%;
  }

  /* 3. Posicionamento do Texto na Hero (Elevado e Bem Proporcionado) */
  .sc-content-layer {
    left: 18px;
    right: 18px;
    bottom: 110px; /* Elevado para não ficar esmagado no rodapé */
    max-width: 100%;
  }
  .sc-badge-strip {
    padding: 4px 10px;
    margin-bottom: 8px;
  }
  .sc-badge-text {
    font-size: 10.5px;
    letter-spacing: 0.08em;
  }
  .sc-title {
    font-size: clamp(26px, 7vw, 34px);
    line-height: 1.12;
    margin-bottom: 8px;
  }
  .sc-desc {
    font-size: 13.5px;
    line-height: 1.45;
    max-width: 100%;
    color: rgba(255, 255, 255, 0.9);
  }

  /* Indicador de Deslize Mobile */
  .sc-scroll-indicator {
    right: auto;
    left: 18px;
    bottom: 24px;
    font-size: 11px;
    gap: 8px;
  }
  .mouse-icon {
    width: 16px;
    height: 26px;
    border-radius: 8px;
    border-width: 1.5px;
  }
  .mouse-wheel {
    width: 2px;
    height: 5px;
  }

  /* 4. Ajustes das Demais Seções */
  .section {
    padding: 60px 0;
  }
  .section-title {
    font-size: 28px;
  }
  .section-desc {
    font-size: 14px;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .comparison-container {
    height: 260px;
  }
  .timeline-steps {
    padding: 0;
  }
  .timeline-step {
    padding: 16px;
  }
}

@media (max-width: 480px) {
  .brand-logo {
    height: 32px;
  }
  .navbar .btn-primary {
    font-size: 12px;
    padding: 0 10px;
  }
  .navbar .btn-primary svg {
    display: none;
  }
  .sc-title {
    font-size: 24px;
  }
  .sc-content-layer {
    bottom: 95px;
  }
}