/* ==========================================================================
   BASE ENERGIA - STYLESHEET
   Engenharia de Alta e Média Tensão | Subestações & Transformadores
   ========================================================================== */

:root {
  --bg-main: #121212;
  --bg-alt: #1e1e1e;
  --bg-card: rgba(30, 30, 30, 0.75);
  --bg-card-hover: rgba(45, 45, 45, 0.9);
  --bg-card-border: rgba(37, 211, 102, 0.15);
  --bg-card-border-active: rgba(37, 211, 102, 0.5);
  --primary: #25D366;
  --primary-glow: rgba(37, 211, 102, 0.35);
  --primary-hover: #3DEB7B;
  --secondary: #00D2FF;
  --secondary-glow: rgba(0, 210, 255, 0.3);
  --accent-amber: #FFB300;
  --text-main: #F1F5F9;
  --text-muted: #94A3B8;
  --text-dark: #0F172A;
  --nav-bg: rgba(6, 9, 19, 0.05);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --container-max: 1440px;
  --nav-height: 108px;
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  position: relative;
  background-color: var(--bg-main);
  min-height: 100vh;
}

/* Offset for fixed navbar on anchor scroll */
section[id] {
  scroll-margin-top: calc(var(--nav-height) + 20px);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #060913;
}
::-webkit-scrollbar-thumb {
  background: #1e293b;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* Background Particle Canvas */
#energyCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  opacity: 0.45;
  transform: translateZ(0);
  will-change: transform;
}

/* Container */
.container {
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
  position: relative;
  z-index: 1;
  width: 100%;
}

/* --------------------------------------------------------------------------
   Typography & Utilities
   -------------------------------------------------------------------------- */
h1, h2, h3, h4 {
  color: #FFFFFF;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(135deg, #FFFFFF 20%, var(--primary) 65%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.highlight-green {
  color: var(--primary);
}

.highlight-blue {
  color: var(--secondary);
}

.text-green {
  color: var(--primary) !important;
}

.text-blue {
  color: var(--secondary) !important;
}

.text-center {
  text-align: center;
}

/* --------------------------------------------------------------------------
   Section Spacing & Headers (Centralização e Espaçamento)
   -------------------------------------------------------------------------- */
.section-padding {
  padding-top: 100px;
  padding-bottom: 100px;
  position: relative;
}

.bg-alt {
  background: rgba(10, 17, 34, 0.65);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.section-header {
  margin-bottom: 56px;
}

.section-header.center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
  max-width: 820px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(37, 211, 102, 0.1);
  border: 1px solid rgba(37, 211, 102, 0.3);
  border-radius: 50px;
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.section-header.center .section-tag {
  margin-left: auto;
  margin-right: auto;
}

.section-tag::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--primary);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.5; }
}

.section-header h2 {
  font-size: clamp(1.7rem, 3vw, 2.38rem);
  margin-bottom: 16px;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.75;
  max-width: 740px;
}

.section-header.center .section-desc {
  margin-left: auto;
  margin-right: auto;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-smooth);
  border: none;
  white-space: nowrap;
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}

.btn-primary {
  background: var(--primary);
  color: #04140b;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.55);
  transform: translateY(-2px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--secondary);
  color: var(--secondary);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #25D366;
  color: #021207 !important;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-whatsapp svg {
  fill: currentColor;
  stroke: none;
  width: 20px;
  height: 20px;
}

.btn-whatsapp:hover {
  background: #20bd5a;
  transform: translateY(-2px);
}

/* Glass Card */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--bg-card-border-active);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45), 0 0 24px rgba(37, 211, 102, 0.12);
}

/* --------------------------------------------------------------------------
   Header & Navbar (Revisado & Responsivo)
   -------------------------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  background: var(--nav-bg);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--transition-fast);
}

.navbar.scrolled {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
}

.navbar .nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 16px;
}

/* Brand Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #fff;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.brand-logo-img {
  height: 50px;
  width: auto;
  max-width: 210px;
  object-fit: contain;
  display: block;
  transition: transform var(--transition-fast);
}

.brand-logo:hover .brand-logo-img {
  transform: scale(1.02);
}

.footer-logo-img {
  height: 46px;
  width: auto;
  max-width: 190px;
  object-fit: contain;
  display: block;
}

.heropanel__logo-wrap {
  margin-bottom: 22px;
  display: flex;
  justify-content: center;
}

.heropanel__logo {
  height: 70px;
  width: auto;
  max-width: 280px;
  object-fit: contain;
  filter: drop-shadow(0 0 20px rgba(37, 211, 102, 0.4));
}

.modal-logo-img {
  height: 38px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  display: block;
  margin: 0 auto 16px auto;
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px var(--primary-glow);
  flex-shrink: 0;
}

.logo-icon svg {
  width: 22px;
  height: 22px;
  fill: #04140b;
}

.brand-badge {
  font-size: 0.68rem;
  background: rgba(37, 211, 102, 0.12);
  color: var(--primary);
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid rgba(37, 211, 102, 0.35);
  margin-left: 6px;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

/* Navigation Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  list-style: none;
}

.nav-links li {
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
  color: #fff;
  background: rgba(37, 211, 102, 0.08);
}

.nav-links a:hover {
  color: var(--primary);
}

/* Navigation Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.nav-actions .btn-whatsapp {
  padding: 9px 18px;
  font-size: 0.85rem;
  border-radius: 50px;
}

/* Mobile Toggle (Hamburger Icon) */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 8px;
  transition: all var(--transition-fast);
}

.mobile-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--primary);
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: #FFFFFF;
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* Animated Hamburger to X */
.mobile-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.mobile-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   First Section: Hero Video Panel (Nova Primeira Seção)
   -------------------------------------------------------------------------- */
.heropanel--video {
  font-family: var(--font-sans);
  min-height: 100vh;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding-top: calc(var(--nav-height) + 20px);
  padding-bottom: 60px;
  background-color: var(--bg-main);
  overflow: hidden;
}

.hero-video-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
}

.hero-video-media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transform: translateZ(0);
  will-change: transform;
  backface-visibility: hidden;
}

.hero-video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    linear-gradient(to bottom, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0.75) 20%, rgba(0, 0, 0, 0) 65%),
    linear-gradient(to top, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0) 50%),
    rgba(0, 0, 0, 0.25);
  z-index: 1;
  pointer-events: none;
}

@keyframes gm-slidein {
  from {
    -webkit-transform: translate3d(0, -30px, 0);
    opacity: 0;
    transform: translate3d(0, -30px, 0);
  }

  to {
    -webkit-transform: none;
    opacity: 1;
    transform: none;
  }
}

@keyframes heroCardFloat {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@keyframes heroCardFloatRight {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

/* Container dos Dois Cards Flutuantes */
.hero-cards-wrapper {
  position: absolute;
  top: calc(var(--nav-height) + 40px);
  bottom: 60px;
  left: 0;
  right: 0;
  z-index: 2;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  pointer-events: none;
}

/* Base Comum dos Cards Flutuantes */
.hero-float-card {
  pointer-events: auto;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  border: none;
  border-radius: var(--radius-lg);
  transition: all var(--transition-smooth);
}

.hero-float-card:hover {
  /* No hover effects */
}

/* Card 1: Canto Superior Esquerdo (Informações Técnicas) */
.hero-float-card--info {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: 24px;
  padding: 34px 44px;
  max-width: 550px;
  text-align: left;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

/* Card 2: Canto Inferior Direito (Apenas a Logo) */
.hero-float-card--logo {
  position: absolute;
  bottom: 0;
  right: 24px;
  padding: 32px 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 350px;
}

.hero-card-logo-link {
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.hero-card-logo-img {
  height: 62px;
  width: auto;
  max-width: 250px;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 0 18px rgba(37, 211, 102, 0.38));
  transition: transform var(--transition-fast);
}

.hero-card-logo-link:hover .hero-card-logo-img {
  transform: scale(1.04);
}

.hero-info-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  background: rgba(37, 211, 102, 0.14);
  border: 1px solid rgba(37, 211, 102, 0.4);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 4px;
}

.hero-info-title {
  font-size: clamp(1.7rem, 3vw, 2.38rem);
  line-height: 1.2;
  font-weight: 800;
  color: #FFFFFF;
  margin-top: 10px;
}

.hero-info-sub {
  font-size: clamp(0.95rem, 1.5vw, 1.18rem);
  font-weight: 600;
  color: var(--secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.85);
}

/* Responsividade dos Cards Flutuantes */
@media (max-width: 768px) {
  .hero-cards-wrapper {
    position: relative;
    top: auto;
    bottom: auto;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
    padding: 0 16px;
  }

  .hero-float-card--info {
    position: static;
    max-width: 100%;
    text-align: left;
    align-items: flex-start;
    padding: 22px 24px;
  }

  .hero-float-card--logo {
    position: static;
    max-width: 100%;
    padding: 20px 24px;
  }

  .hero-card-logo-img {
    height: 50px;
  }
}

/* --------------------------------------------------------------------------
   Hero Overview Section
   -------------------------------------------------------------------------- */
.hero {
  padding-top: 60px;
  padding-bottom: 80px;
  position: relative;
  min-height: auto;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 15%;
  left: 20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(37, 211, 102, 0.12) 0%, rgba(0, 210, 255, 0.04) 50%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.pill-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: rgba(37, 211, 102, 0.1);
  border: 1px solid rgba(37, 211, 102, 0.35);
  border-radius: 50px;
  color: var(--primary);
  font-size: 0.84rem;
  font-weight: 600;
  margin-bottom: 24px;
  box-shadow: 0 0 20px rgba(37, 211, 102, 0.12);
  backdrop-filter: blur(10px);
}

.pulse-icon {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--primary);
  animation: pulseDot 1.5s infinite;
}

.hero-text-col h1 {
  font-size: clamp(1.7rem, 3vw, 2.38rem);
  line-height: 1.15;
  margin-bottom: 22px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  line-height: 1.75;
  max-width: 620px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 44px;
}

/* Hero Stats Row */
.hero-stats-row {
  display: flex;
  align-items: center;
  gap: 32px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  width: 100%;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-num {
  font-size: 1.85rem;
  color: var(--primary);
  font-weight: 800;
  line-height: 1.1;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.12);
}

/* --------------------------------------------------------------------------
   Hero Live Telemetry Card
   -------------------------------------------------------------------------- */
.hero-visual-col {
  position: relative;
  width: 100%;
}

.hero-display-card {
  background: linear-gradient(165deg, rgba(16, 28, 56, 0.85) 0%, rgba(7, 13, 27, 0.95) 100%);
  border: 1px solid rgba(37, 211, 102, 0.35);
  border-radius: var(--radius-xl);
  padding: 28px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.65), 0 0 35px rgba(37, 211, 102, 0.15);
  position: relative;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero-display-card:hover {
  border-color: rgba(37, 211, 102, 0.6);
  box-shadow: 0 35px 70px rgba(0, 0, 0, 0.7), 0 0 45px rgba(37, 211, 102, 0.25);
}

.display-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 10px;
}

.header-status {
  display: flex;
  align-items: center;
  gap: 10px;
}

.live-dot {
  width: 10px;
  height: 10px;
  background: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--primary);
  animation: pulseDot 1.4s infinite ease-in-out;
}

.live-title {
  font-size: 0.84rem;
  color: #fff;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.header-tags {
  display: flex;
  align-items: center;
  gap: 8px;
}

.badge-status {
  font-size: 0.76rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
}

.badge-status.online {
  color: var(--primary);
  background: rgba(37, 211, 102, 0.12);
  border: 1px solid rgba(37, 211, 102, 0.35);
}

.badge-rate {
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--secondary);
  background: rgba(0, 210, 255, 0.1);
  border: 1px solid rgba(0, 210, 255, 0.25);
  padding: 4px 10px;
  border-radius: 20px;
}

/* Energy Flow Meter */
.energy-flow-meter {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-bottom: 20px;
}

.flow-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.flow-bar-track {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  position: relative;
  overflow: hidden;
}

.flow-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--secondary), var(--primary));
  border-radius: 10px;
  box-shadow: 0 0 10px var(--primary-glow);
  transition: width 0.5s ease;
}

/* 2x2 Telemetry Metrics */
.metrics-grid-2x2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 18px;
}

.metric-card {
  background: rgba(0, 0, 0, 0.32);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.metric-title {
  font-size: 0.74rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.metric-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: #FFFFFF;
}

.metric-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Footer Banner Inside Card */
.card-footer-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(37, 211, 102, 0.06);
  border: 1px solid rgba(37, 211, 102, 0.2);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
}

.banner-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
}

.banner-text {
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--text-muted);
}

.banner-text strong {
  color: #fff;
}

/* --------------------------------------------------------------------------
   About Section (Grid, Cards & Vertical Video Showcase)
   -------------------------------------------------------------------------- */
.about-wrapper {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 32px;
  align-items: stretch;
}

@media (max-width: 992px) {
  .about-wrapper {
    grid-template-columns: 1fr;
  }
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.about-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: all var(--transition-smooth);
}

.about-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--bg-card-border-active);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4), 0 0 24px rgba(37, 211, 102, 0.1);
}

.about-icon {
  font-size: 2rem;
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(37, 211, 102, 0.1);
  border: 1px solid rgba(37, 211, 102, 0.25);
  border-radius: var(--radius-md);
  margin-bottom: 4px;
}

.about-card h3 {
  font-size: 1.3rem;
  color: #fff;
}

.about-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Vertical Video 2-Column Showcase Section (Segunda Seção)
   -------------------------------------------------------------------------- */
.video-showcase-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 56px;
  align-items: center;
}

@media (max-width: 992px) {
  .video-showcase-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

.video-showcase-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.video-showcase-text h2 {
  font-size: clamp(1.7rem, 3vw, 2.38rem);
  line-height: 1.2;
  margin-bottom: 20px;
  font-weight: 800;
  color: #FFFFFF;
}

.services-list-bullets {
  list-style: none;
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.services-list-bullets li {
  position: relative;
  padding-left: 24px;
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.5;
}

.services-list-bullets li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--primary);
  font-weight: bold;
}

.services-list-bullets li strong {
  color: #FFFFFF;
}

.video-showcase-media {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.vertical-video-standalone {
  width: 100%;
  max-width: 320px;
  aspect-ratio: 9 / 16;
  border-radius: var(--radius-xl);
  overflow: hidden;
  object-fit: cover;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7);
  display: block;
  transform: translateZ(0);
  will-change: transform;
  backface-visibility: hidden;
}

/* --------------------------------------------------------------------------
   Services Section (Grade de Serviços 8 Itens)
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
}

.service-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  min-height: 310px;
}

.service-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
}

.service-icon-box {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, rgba(37, 211, 102, 0.15) 0%, rgba(0, 210, 255, 0.15) 100%);
  border: 1px solid rgba(37, 211, 102, 0.3);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: 6px;
  line-height: 1.3;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.65;
  margin-bottom: 20px;
  flex-grow: 1;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.service-tag {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.75rem;
  padding: 5px 12px;
  border-radius: 20px;
  color: var(--text-muted);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   Diferenciais Section
   -------------------------------------------------------------------------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.feature-box {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-md);
  padding: 32px 26px;
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.feature-box:hover {
  background: var(--bg-card-hover);
  border-color: var(--primary);
  transform: translateY(-4px);
}

.feature-num {
  font-size: 2.2rem;
  font-weight: 900;
  color: rgba(37, 211, 102, 0.25);
  line-height: 1;
  margin-bottom: 16px;
  transition: color 0.3s ease;
}

.feature-box:hover .feature-num {
  color: var(--primary);
}

.feature-box h4 {
  font-size: 1.18rem;
  margin-bottom: 10px;
  color: #fff;
}

.feature-box p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   Simulador Técnico de Subestações & Transformadores
   -------------------------------------------------------------------------- */
.calc-wrapper {
  background: linear-gradient(145deg, #0c152a 0%, #060b17 100%);
  border: 1px solid rgba(37, 211, 102, 0.3);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6), 0 0 35px rgba(37, 211, 102, 0.1);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: stretch;
}

.calc-controls {
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.form-group label {
  display: block;
  font-size: 0.92rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: #fff;
}

.service-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.service-option {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 14px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: center;
  font-size: 0.88rem;
  font-weight: 600;
  transition: all var(--transition-fast);
  color: var(--text-muted);
}

.service-option:hover {
  border-color: var(--secondary);
  color: #fff;
}

.service-option.selected {
  background: rgba(37, 211, 102, 0.15);
  border-color: var(--primary);
  color: var(--primary);
}

.voltage-selector {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}

.voltage-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #fff;
  padding: 10px 4px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.85rem;
  text-align: center;
  transition: all var(--transition-fast);
}

.voltage-btn:hover {
  border-color: var(--secondary);
}

.voltage-btn.selected {
  background: var(--secondary);
  color: #060913;
  border-color: var(--secondary);
}

.range-slider-wrap {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.range-val-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.range-val-header span:last-child {
  color: var(--primary);
  font-weight: 700;
  font-size: 1.15rem;
}

input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: #1e293b;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  box-shadow: 0 0 10px var(--primary-glow);
  transition: transform 0.1s;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Calc Results Panel */
.calc-results-card {
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
}

.calc-results-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 18px;
}

.res-capacity-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(37, 211, 102, 0.12);
  border: 1px solid var(--primary);
  border-radius: 20px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
  margin-top: 8px;
}

.results-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* --------------------------------------------------------------------------
   Solicitar Orçamento / RFQ Section
   -------------------------------------------------------------------------- */
.rfq-container {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 48px;
  align-items: start;
}

.rfq-text-col,
.rfq-form-col {
  display: flex;
  flex-direction: column;
  width: 100%;
}

.rfq-text-col h2 {
  font-size: clamp(1.7rem, 3vw, 2.38rem);
  margin-bottom: 16px;
}

.rfq-form {
  padding: 36px 32px;
}

.form-grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.rfq-form .form-group {
  margin-bottom: 18px;
}

.rfq-form label {
  display: block;
  font-size: 0.86rem;
  font-weight: 600;
  color: #E2E8F0;
  margin-bottom: 8px;
}

.rfq-form input,
.rfq-form select,
.rfq-form textarea {
  width: 100%;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  transition: all var(--transition-fast);
  outline: none;
}

.rfq-form select option {
  background: #0d162c;
  color: #fff;
}

.rfq-form input:focus,
.rfq-form select:focus,
.rfq-form textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 15px var(--primary-glow);
  background: rgba(37, 211, 102, 0.04);
}

.rfq-form input::placeholder,
.rfq-form textarea::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

/* --------------------------------------------------------------------------
   Modal Feedback
   -------------------------------------------------------------------------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 24px;
}

.modal-backdrop.active {
  display: flex;
}

.modal-box {
  max-width: 480px;
  width: 100%;
  text-align: center;
  padding: 40px 32px;
}

.modal-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(37, 211, 102, 0.15);
  border: 2px solid var(--primary);
  color: var(--primary);
  font-size: 1.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px auto;
}

.modal-box h3 {
  font-size: 1.45rem;
  margin-bottom: 12px;
}

.modal-box p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
footer {
  padding: 80px 0 36px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: #04070e;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-col h4 {
  font-size: 1.05rem;
  margin-bottom: 20px;
  color: #FFFFFF;
  letter-spacing: -0.01em;
}

.footer-links,
.footer-contact {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  transition: all var(--transition-fast);
  display: inline-block;
}

.footer-links a:hover {
  color: var(--primary);
  transform: translateX(4px);
}

.footer-contact li {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-contact li span:first-child {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-disclaimer {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.4);
}

/* --------------------------------------------------------------------------
   Floating WhatsApp Button
   -------------------------------------------------------------------------- */
.floating-whatsapp {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #25D366;
  color: #021207 !important;
  text-decoration: none;
  padding: 12px 20px;
  border-radius: 50px;
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.45);
  font-weight: 700;
  font-size: 0.9rem;
  transition: all var(--transition-smooth);
}

.floating-whatsapp svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
  flex-shrink: 0;
}

.floating-whatsapp:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 12px 35px rgba(37, 211, 102, 0.65);
}

@media (max-width: 640px) {
  .floating-whatsapp {
    bottom: 20px;
    right: 20px;
    padding: 14px;
    border-radius: 50%;
  }
  .floating-whatsapp-label {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   RESPONSIVIDADE (Tablets, Laptops, Celulares)
   -------------------------------------------------------------------------- */

/* Telas Médias / Laptops Pequenos (<= 1140px) */
@media (max-width: 1140px) {
  .nav-links {
    gap: 10px;
  }
  .nav-links a {
    font-size: 0.82rem;
    padding: 6px 8px;
  }
  .hero-grid {
    gap: 36px;
  }
}

/* Tablets e Menus Mobile (<= 1024px) */
@media (max-width: 1024px) {
  :root {
    --nav-height: 99px;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    background: rgba(6, 9, 19, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px 20px 32px 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
    gap: 6px;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: flex;
    align-items: center;
    width: 100%;
    min-height: 44px;
    padding: 10px 16px;
    font-size: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
  }

  .mobile-toggle {
    display: flex;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: left;
  }

  .hero-text-col {
    align-items: flex-start;
  }

  .calc-grid,
  .rfq-container {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

/* Celulares e Tablets em Modo Retrato (<= 768px) */
@media (max-width: 768px) {
  .section-padding {
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .hero {
    padding-top: calc(var(--nav-height) + 40px);
    padding-bottom: 60px;
    min-height: auto;
  }

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }

  .hero-cta-group .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    text-align: center;
  }

  .stat-divider {
    display: none;
  }

  .stat-num {
    font-size: 1.5rem;
  }

  .stat-label {
    font-size: 0.7rem;
  }

  .calc-wrapper {
    padding: 28px 20px;
  }

  .service-selector {
    grid-template-columns: 1fr;
  }

  .voltage-selector {
    grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
  }

  .form-grid-2col {
    grid-template-columns: 1fr;
  }

  .rfq-form {
    padding: 24px 18px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* Celulares Pequenos (<= 480px) */
@media (max-width: 480px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .brand-logo {
    font-size: 1.15rem;
    gap: 8px;
  }

  .logo-icon {
    width: 34px;
    height: 34px;
  }

  .brand-badge {
    display: none; /* Mantém cabeçalho limpo em telas estreitas */
  }

  .nav-actions .btn-whatsapp span {
    display: none; /* Mostra apenas o ícone no WhatsApp do cabeçalho */
  }

  .nav-actions .btn-whatsapp {
    padding: 9px 12px;
    border-radius: 50%;
  }

  .hero-stats-row {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .metrics-grid-2x2 {
    grid-template-columns: 1fr;
  }

  .services-grid,
  .about-grid,
  .features-grid {
    grid-template-columns: 1fr;
  }

  .calc-results-card {
    padding: 20px 16px;
  }
}

/* Modo de Impressão / Exportação PDF */
@media print {
  body {
    background: #ffffff !important;
    color: #111827 !important;
  }
  .brand-logo-img,
  .footer-logo-img {
    content: url('Logos/logo-preta.png');
  }
}