/* ==========================================================================
   ELSUN ENERGIA SOLAR - DESIGN SYSTEM & ESTILOS PRINCIPAIS
   Empresa: ELSUN ENERGIA SOLAR E SERVICOS ELETRICOS LTDA (Vitória/ES)
   ========================================================================== */

:root {
  /* Cores Extraídas da Identidade Visual */
  --color-primary: #1a2e5a;         /* Azul Marinho Nobre ELSun */
  --color-primary-dark: #0f1c38;    /* Azul Profundo para contrastes */
  --color-primary-light: #254687;   /* Azul Médio */
  --color-secondary: #f59e0b;       /* Amarelo Solar Dourado ELSun */
  --color-secondary-hover: #d97706; /* Âmbar Escuro */
  --color-secondary-light: #fef3c7; /* Âmbar Claro para Tags */
  --color-accent-green: #10b981;    /* Verde Eficiência & Economia */
  --color-whatsapp: #25d366;        /* Verde Oficial WhatsApp */
  --color-whatsapp-hover: #20ba5a;
  
  /* Tons Neutros e Superfícies */
  --color-dark: #0b132b;
  --color-text-main: #1e293b;
  --color-text-muted: #64748b;
  --color-text-light: #94a3b8;
  --color-bg-light: #f8fafc;
  --color-bg-card: #ffffff;
  --color-border: #e2e8f0;
  --color-border-focus: #f59e0b;

  /* Tipografia */
  --font-family-base: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-heading: 'Outfit', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Elevações e Sombras */
  --shadow-sm: 0 1px 3px rgba(15, 28, 56, 0.05);
  --shadow-md: 0 4px 14px rgba(15, 28, 56, 0.08);
  --shadow-lg: 0 10px 30px rgba(15, 28, 56, 0.12);
  --shadow-xl: 0 20px 40px rgba(15, 28, 56, 0.18);
  --shadow-glow: 0 0 25px rgba(245, 158, 11, 0.35);

  /* Transições e Bordas */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 9999px;
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --max-width: 1240px;
}

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

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

body {
  font-family: var(--font-family-base);
  color: var(--text-main);
  background-color: #ffffff;
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ==========================================================================
   TOPBAR INFORMATIVA
   ========================================================================== */
.topbar {
  background-color: var(--color-primary-dark);
  color: #e2e8f0;
  font-size: 0.85rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #cbd5e1;
}

.topbar-item svg {
  width: 15px;
  height: 15px;
  color: var(--color-secondary);
}

.topbar-link {
  color: #cbd5e1;
  transition: var(--transition);
}

.topbar-link:hover {
  color: #ffffff;
  text-decoration: underline;
}

.topbar-highlight {
  background-color: rgba(245, 158, 11, 0.15);
  color: #fef08a;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.78rem;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

/* ==========================================================================
   NAVBAR HEADER
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
  background-color: rgba(255, 255, 255, 0.98);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  gap: 16px;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.site-logo {
  height: 48px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  display: block;
  transition: transform 0.2s ease;
}

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

.nav-menu {
  display: flex;
  align-items: center;
  gap: 20px;
  margin: 0;
  padding: 0;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text-main);
  position: relative;
  padding: 6px 2px;
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--color-secondary);
  transition: width 0.3s ease;
  border-radius: 2px;
}

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Botões do Sistema */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-align: center;
  text-decoration: none;
}

.btn-sm {
  padding: 9px 18px;
  font-size: 0.88rem;
}

.btn-lg {
  padding: 16px 34px;
  font-size: 1.05rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-secondary) 0%, #ea580c 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 7px 22px rgba(245, 158, 11, 0.45);
}

.btn-secondary {
  background-color: var(--color-primary);
  color: #ffffff;
}

.btn-secondary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-outline:hover {
  background-color: var(--color-primary);
  color: #ffffff;
}

.btn-outline-white {
  background-color: transparent;
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.7);
}

.btn-outline-white:hover {
  background-color: #ffffff;
  color: var(--color-primary-dark);
}

.btn-whatsapp {
  background: linear-gradient(135deg, var(--color-whatsapp) 0%, #1ea952 100%);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover {
  background: linear-gradient(135deg, #20ba5a 0%, #198741 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-primary);
  cursor: pointer;
  padding: 6px;
}

.mobile-toggle svg {
  width: 28px;
  height: 28px;
}

/* ==========================================================================
   HERO SECTION COM COPY DE ALTA CONVERSÃO
   ========================================================================== */
.hero {
  position: relative;
  background: linear-gradient(145deg, #09142e 0%, #132244 50%, #1a2e5a 100%);
  color: #ffffff;
  padding: 80px 0 100px 0;
  overflow: hidden;
}

.hero-bg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(circle at 80% 20%, rgba(245, 158, 11, 0.15) 0%, transparent 50%),
                    radial-gradient(circle at 10% 80%, rgba(37, 211, 102, 0.08) 0%, transparent 40%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(245, 158, 11, 0.4);
  color: #fef08a;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.84rem;
  font-weight: 700;
  margin-bottom: 22px;
  letter-spacing: 0.02em;
}

.hero-badge svg {
  width: 16px;
  height: 16px;
  color: var(--color-secondary);
}

.hero-title {
  font-family: var(--font-family-heading);
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 22px;
}

.hero-title .text-gold {
  background: linear-gradient(135deg, #fef08a 0%, #f59e0b 50%, #f97316 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.15rem;
  line-height: 1.65;
  color: #cbd5e1;
  margin-bottom: 34px;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 38px;
}

.hero-trust-bullets {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: #e2e8f0;
}

.trust-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent-green);
  flex-shrink: 0;
}

/* Card Visual do Hero */
.hero-card-showcase {
  position: relative;
}

.hero-main-card {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 20px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.hero-image-wrapper img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.hero-image-wrapper:hover img {
  transform: scale(1.04);
}

.hero-image-tag {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  color: #ffffff;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-image-tag span.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-accent-green);
  box-shadow: 0 0 8px var(--color-accent-green);
}

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

.metric-pill {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 14px;
  border-radius: var(--radius-md);
  text-align: center;
}

.metric-number {
  font-family: var(--font-family-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: #fef08a;
  line-height: 1.1;
}

.metric-label {
  font-size: 0.78rem;
  color: #94a3b8;
  margin-top: 4px;
}

/* Floating Badges */
.floating-badge {
  position: absolute;
  background: #ffffff;
  color: var(--color-dark);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 3;
  animation: floatSlow 4s ease-in-out infinite alternate;
}

.badge-top {
  top: -15px;
  left: -20px;
}

.badge-bottom {
  bottom: -20px;
  right: -15px;
}

.badge-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #fef3c7;
  color: #d97706;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.badge-icon.green {
  background: #dcfce7;
  color: #15803d;
}

.badge-text-title {
  font-size: 0.85rem;
  font-weight: 800;
  line-height: 1.2;
}

.badge-text-sub {
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

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

/* ==========================================================================
   FAIXA DE CREDENCIAIS & AUTORIDADE NO ES
   ========================================================================== */
.credentials-bar {
  background-color: #0f1c38;
  color: #ffffff;
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.credentials-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.credential-item {
  display: flex;
  align-items: center;
  gap: 14px;
}

.credential-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.credential-content h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 2px;
}

.credential-content p {
  font-size: 0.8rem;
  color: #94a3b8;
  line-height: 1.3;
}

/* ==========================================================================
   SIMULADOR DE ECONOMIA SOLAR INTERATIVO
   ========================================================================== */
.simulator-section {
  padding: 90px 0;
  background-color: var(--color-bg-light);
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 50px auto;
}

.section-tag {
  display: inline-block;
  background-color: var(--color-secondary-light);
  color: #b45309;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-family-heading);
  font-size: 2.3rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
}

.simulator-box {
  background: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  padding: 40px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: center;
}

.simulator-controls {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.control-label-group {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 10px;
}

.control-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-main);
}

.control-value-display {
  font-family: var(--font-family-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
}

.slider-container {
  position: relative;
}

.range-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 10px;
  border-radius: 5px;
  background: #e2e8f0;
  outline: none;
  transition: background 0.2s;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-secondary);
  border: 4px solid #ffffff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  transition: transform 0.15s ease;
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  background: #ea580c;
}

.range-slider::-moz-range-thumb {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-secondary);
  border: 4px solid #ffffff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  cursor: pointer;
}

.slider-scale-ticks {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--color-text-light);
  margin-top: 8px;
  font-weight: 600;
}

.quick-bill-selector {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.quick-bill-btn {
  background: #f1f5f9;
  border: 1px solid var(--color-border);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.quick-bill-btn:hover,
.quick-bill-btn.active {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

.simulator-results {
  background: linear-gradient(145deg, #0f1c38 0%, #1a2e5a 100%);
  color: #ffffff;
  border-radius: var(--radius-md);
  padding: 30px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.simulator-results::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.25) 0%, transparent 70%);
}

.results-header {
  font-size: 0.9rem;
  color: #cbd5e1;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
  margin-bottom: 20px;
}

.big-saving-row {
  margin-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding-bottom: 20px;
}

.saving-title {
  font-size: 0.9rem;
  color: #94a3b8;
}

.saving-amount {
  font-family: var(--font-family-heading);
  font-size: 2.8rem;
  font-weight: 800;
  color: #fef08a;
  line-height: 1.1;
  margin: 6px 0;
}

.saving-note {
  font-size: 0.82rem;
  color: #86efac;
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
}

.results-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 26px;
}

.stat-box {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
}

.stat-label {
  font-size: 0.75rem;
  color: #cbd5e1;
  margin-bottom: 4px;
}

.stat-value {
  font-size: 1.15rem;
  font-weight: 800;
  color: #ffffff;
}

.btn-simulator-whatsapp {
  width: 100%;
  border-radius: var(--radius-md);
  padding: 14px 20px;
  font-size: 1rem;
  line-height: 1.3;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: center;
}

/* ==========================================================================
   SERVIÇOS & TRATAMENTOS OFERECIDOS (DADOS REAIS ELSUN)
   ========================================================================== */
.services-section {
  padding: 90px 0;
  background-color: #ffffff;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.service-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(245, 158, 11, 0.4);
}

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

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

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

.service-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(15, 28, 56, 0.85);
  backdrop-filter: blur(6px);
  color: #ffffff;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.service-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-icon-box {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--color-secondary-light);
  color: #b45309;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.service-title {
  font-family: var(--font-family-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
  line-height: 1.25;
}

.service-desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 18px;
  flex-grow: 1;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 22px;
  padding-top: 14px;
  border-top: 1px solid var(--color-border);
}

.service-feature-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--color-text-main);
  font-weight: 500;
}

.service-feature-item svg {
  width: 14px;
  height: 14px;
  color: var(--color-accent-green);
  flex-shrink: 0;
}

.service-card-action {
  margin-top: auto;
}

/* ==========================================================================
   VANTAGENS & POR QUE INVESTIR
   ========================================================================== */
.why-section {
  padding: 90px 0;
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.why-content h2 {
  font-family: var(--font-family-heading);
  font-size: 2.3rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
  margin-bottom: 18px;
}

.why-content p {
  color: var(--color-text-muted);
  margin-bottom: 28px;
  font-size: 1.05rem;
}

.why-cards-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 30px;
}

.why-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  padding: 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.why-card:hover {
  border-color: var(--color-secondary);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.why-card-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(30, 46, 90, 0.08);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}

.why-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.why-card p {
  font-size: 0.84rem;
  color: var(--color-text-muted);
  line-height: 1.45;
  margin: 0;
}

.why-visual-wrapper {
  position: relative;
}

.why-visual-img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  object-fit: cover;
  height: 480px;
}

.why-highlight-pill {
  position: absolute;
  bottom: -20px;
  left: 30px;
  background: #ffffff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  border: 1px solid var(--color-border);
}

.highlight-pill-number {
  font-family: var(--font-family-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-secondary);
  line-height: 1;
}

.highlight-pill-text {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.25;
}

/* ==========================================================================
   PASSO A PASSO / COMO FUNCIONA
   ========================================================================== */
.process-section {
  padding: 90px 0;
  background-color: var(--color-primary-dark);
  color: #ffffff;
}

.process-section .section-title {
  color: #ffffff;
}

.process-section .section-desc {
  color: #94a3b8;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.process-step-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  position: relative;
  transition: var(--transition);
}

.process-step-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(245, 158, 11, 0.4);
  transform: translateY(-4px);
}

.step-number {
  font-family: var(--font-family-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-secondary);
  margin-bottom: 14px;
  display: inline-block;
  opacity: 0.9;
}

.step-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 10px;
}

.step-desc {
  font-size: 0.88rem;
  color: #94a3b8;
  line-height: 1.5;
}

/* ==========================================================================
   FINANCIAMENTO SOLAR INTELIGENTE
   ========================================================================== */
.financing-banner {
  margin: 60px 0 0 0;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, rgba(16, 185, 129, 0.1) 100%);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-md);
  padding: 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.financing-text h3 {
  font-family: var(--font-family-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: #fef08a;
  margin-bottom: 6px;
}

.financing-text p {
  color: #cbd5e1;
  font-size: 0.92rem;
  max-width: 650px;
}

/* ==========================================================================
   PROVA SOCIAL & DEPOIMENTOS DE CLIENTES NO ES
   ========================================================================== */
.testimonials-section {
  padding: 90px 0;
  background-color: #ffffff;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(245, 158, 11, 0.3);
}

.testimonial-stars {
  display: flex;
  gap: 4px;
  color: #f59e0b;
  margin-bottom: 16px;
}

.testimonial-stars svg {
  width: 18px;
  height: 18px;
}

.testimonial-quote {
  font-size: 0.94rem;
  color: var(--color-text-main);
  line-height: 1.6;
  font-style: italic;
  margin-bottom: 22px;
}

.testimonial-savings-badge {
  background: #dcfce7;
  color: #166534;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 18px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--color-border);
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
}

.author-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary);
}

.author-location {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   FAQ - PERGUNTAS FREQUENTES
   ========================================================================== */
.faq-section {
  padding: 90px 0;
  background-color: var(--color-bg-light);
}

.faq-container {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: var(--color-secondary);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
  cursor: pointer;
  gap: 16px;
}

.faq-icon {
  width: 22px;
  height: 22px;
  color: var(--color-secondary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 24px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px 24px;
}

/* ==========================================================================
   FORMULÁRIO DE ORÇAMENTO & CONTATO REAL
   ========================================================================== */
.contact-section {
  padding: 90px 0;
  background-color: #ffffff;
  position: relative;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 50px;
  align-items: flex-start;
}

.contact-info-card {
  background: linear-gradient(145deg, #0f1c38 0%, #1a2e5a 100%);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

.contact-info-card h3 {
  font-family: var(--font-family-heading);
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.contact-info-card p {
  color: #cbd5e1;
  font-size: 0.95rem;
  margin-bottom: 30px;
}

.contact-details-list {
  display: flex;
  flex-direction: column;
  gap: 22px;
  margin-bottom: 36px;
}

.contact-detail-row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-icon-bubble {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(245, 158, 11, 0.15);
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-detail-row h5 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #94a3b8;
  margin-bottom: 4px;
}

.contact-detail-row p, .contact-detail-row a {
  font-size: 0.95rem;
  color: #ffffff;
  font-weight: 600;
  margin: 0;
}

.contact-detail-row a:hover {
  color: #fef08a;
  text-decoration: underline;
}

.cnpj-verified-box {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-size: 0.82rem;
  color: #cbd5e1;
  display: flex;
  align-items: center;
  gap: 12px;
}

.cnpj-verified-box svg {
  width: 24px;
  height: 24px;
  color: var(--color-accent-green);
  flex-shrink: 0;
}

/* Formulário Card */
.form-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.form-card h3 {
  font-family: var(--font-family-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.form-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 26px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-main);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: #ffffff;
  color: var(--color-text-main);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.18);
}

.form-notice {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-top: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ==========================================================================
   FOOTER COMPLETO
   ========================================================================== */
.site-footer {
  background-color: var(--color-primary-dark);
  color: #cbd5e1;
  padding: 70px 0 30px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background-color: var(--color-secondary);
}

.footer-logo {
  height: 52px;
  width: auto;
  margin-bottom: 16px;
  filter: brightness(0) invert(1);
}

.footer-desc {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 20px;
  color: #94a3b8;
}

.footer-social-links {
  display: flex;
  gap: 12px;
}

.social-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.social-btn:hover {
  background: var(--color-secondary);
  color: #ffffff;
  transform: translateY(-3px);
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links-list a {
  color: #94a3b8;
  font-size: 0.92rem;
  transition: var(--transition);
}

.footer-links-list a:hover {
  color: #ffffff;
  transform: translateX(4px);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 0.9rem;
  color: #94a3b8;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-secondary);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.84rem;
  color: #64748b;
}

.footer-legal-links {
  display: flex;
  gap: 20px;
}

.footer-legal-links a:hover {
  color: #ffffff;
}

/* ==========================================================================
   BOTÃO FLUTUANTE DO WHATSAPP COM NOTIFICAÇÃO
   ========================================================================== */
.floating-whatsapp {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 12px;
}

.floating-whatsapp-tooltip {
  background: #ffffff;
  color: var(--color-dark);
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 700;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--color-border);
  animation: pulseLight 3s infinite;
}

.floating-whatsapp-tooltip span.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-whatsapp);
}

.floating-whatsapp-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-whatsapp) 0%, #1ea952 100%);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
  transition: var(--transition);
  position: relative;
}

.floating-whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.6);
}

.floating-whatsapp-btn svg {
  width: 32px;
  height: 32px;
}

@keyframes pulseLight {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

/* ==========================================================================
   RESPONSIVIDADE (MOBILE-FIRST BREAKPOINTS)
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .hero-title {
    font-size: 2.6rem;
  }

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

  .simulator-box {
    grid-template-columns: 1fr;
    padding: 30px;
  }

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

  .why-grid {
    grid-template-columns: 1fr;
  }

  .why-visual-img {
    height: 360px;
  }

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

  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

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

/* Telas médias (Laptops compactos) - Espaçamento enxuto */
@media (min-width: 1025px) and (max-width: 1220px) {
  .navbar {
    gap: 12px;
  }
  .nav-menu {
    gap: 12px;
  }
  .nav-link {
    font-size: 0.85rem;
  }
  .site-logo {
    height: 42px;
  }
  .btn-sm {
    padding: 8px 14px;
    font-size: 0.82rem;
  }
}

/* Telas até 1024px: Menu Mobile / Tablet Ativado */
@media (max-width: 1024px) {
  .topbar {
    display: none; /* Simplificação no mobile e tablet */
  }

  .mobile-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 68px;
    left: -100%;
    width: 100%;
    max-width: 320px;
    height: calc(100vh - 68px);
    background-color: #ffffff;
    flex-direction: column;
    align-items: flex-start;
    padding: 30px 24px;
    gap: 18px;
    box-shadow: var(--shadow-xl);
    transition: left 0.3s ease;
    overflow-y: auto;
    z-index: 1001;
  }

  .nav-menu.open {
    left: 0;
  }

  .nav-link {
    font-size: 1.05rem;
    width: 100%;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 10px;
  }

  .nav-actions {
    display: none;
  }

  .hero {
    padding: 50px 0 70px 0;
  }

  .hero-title {
    font-size: 2.4rem;
  }

  .hero-subtitle {
    font-size: 1.05rem;
  }

  .hero-cta-group {
    flex-direction: column;
    align-items: stretch;
  }

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

  .floating-badge {
    display: none; /* Evita quebra de layout em telas pequenas */
  }

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

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

  .why-cards-list {
    grid-template-columns: 1fr;
  }

  .process-grid {
    grid-template-columns: 1fr;
  }

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

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

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

  .floating-whatsapp-tooltip {
    display: none;
  }
}

/* ==========================================================================
   OTIMIZAÇÃO PARA SMARTPHONES (<= 768px) - CARDS PERFEITAMENTE PROPORCIONAIS
   ========================================================================== */
@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  .section-header {
    margin-bottom: 30px;
  }

  .section-title {
    font-size: 1.85rem;
    line-height: 1.22;
  }

  .section-desc {
    font-size: 0.95rem;
  }

  .simulator-section,
  .services-section,
  .why-section,
  .process-section,
  .testimonials-section,
  .faq-section,
  .contact-section {
    padding: 55px 0;
  }

  /* 1. SIMULADOR SOLAR NO MOBILE - SEM APERTO, COM RESPIRO E PROPORÇÃO REAL */
  .simulator-box {
    padding: 20px 14px;
    border-radius: 16px;
    gap: 24px;
    margin: 0;
    box-shadow: var(--shadow-md);
  }

  .control-label-group {
    align-items: center;
    margin-bottom: 8px;
  }

  .control-title {
    font-size: 0.92rem;
  }

  .control-value-display {
    font-size: 1.65rem;
  }

  .quick-bill-selector {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 6px;
  }

  .quick-bill-btn {
    padding: 7px 4px;
    font-size: 0.78rem;
    text-align: center;
    border-radius: 8px;
  }

  .simulator-results {
    padding: 22px 16px;
    border-radius: 14px;
    margin: 0;
  }

  .results-header {
    font-size: 0.8rem;
    margin-bottom: 14px;
  }

  .big-saving-row {
    margin-bottom: 18px;
    padding-bottom: 16px;
  }

  .saving-title {
    font-size: 0.82rem;
  }

  .saving-amount {
    font-size: 2.2rem;
    line-height: 1.1;
    margin: 4px 0 6px 0;
  }

  .saving-note {
    font-size: 0.78rem;
    line-height: 1.35;
  }

  .results-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 20px;
  }

  .stat-box {
    padding: 10px 12px;
    border-radius: 8px;
  }

  .stat-label {
    font-size: 0.72rem;
    line-height: 1.25;
    margin-bottom: 2px;
  }

  .stat-value {
    font-size: 1.05rem;
    line-height: 1.2;
  }

  .btn-simulator-whatsapp {
    width: 100%;
    padding: 14px 16px;
    font-size: 0.94rem;
    border-radius: 12px;
    line-height: 1.25;
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.4);
  }

  /* 2. CARD DO HERO NO MOBILE */
  .hero-title {
    font-size: 2.1rem;
    line-height: 1.18;
  }

  .hero-main-card {
    padding: 14px;
    border-radius: 14px;
  }

  .hero-image-wrapper {
    margin-bottom: 12px;
  }

  .hero-image-wrapper img {
    height: 190px;
  }

  .hero-metrics-row {
    gap: 10px;
  }

  .metric-pill {
    padding: 10px;
  }

  .metric-number {
    font-size: 1.35rem;
  }

  /* 3. FAIXA DE CREDENCIAIS NO MOBILE */
  .credentials-bar {
    padding: 18px 0;
  }

  .credentials-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .credential-item {
    gap: 10px;
  }

  .credential-icon {
    width: 38px;
    height: 38px;
    border-radius: 8px;
  }

  .credential-icon svg {
    width: 20px;
    height: 20px;
  }

  .credential-content h4 {
    font-size: 0.85rem;
    line-height: 1.2;
  }

  .credential-content p {
    font-size: 0.72rem;
    line-height: 1.25;
  }

  /* 4. CARDS DE SERVIÇOS NO MOBILE */
  .services-grid {
    gap: 20px;
  }

  .service-card {
    border-radius: 14px;
  }

  .service-image {
    height: 175px;
  }

  .service-content {
    padding: 18px 16px;
  }

  .service-title {
    font-size: 1.2rem;
    margin-bottom: 8px;
  }

  .service-desc {
    font-size: 0.88rem;
    margin-bottom: 14px;
  }

  .service-features {
    margin-bottom: 18px;
    padding-top: 12px;
  }

  .service-card-action .btn {
    border-radius: 10px;
    padding: 11px 16px;
    font-size: 0.88rem;
  }

  /* 5. SEÇÃO DE VANTAGENS NO MOBILE */
  .why-content h2 {
    font-size: 1.85rem;
  }

  .why-cards-list {
    gap: 12px;
  }

  .why-card {
    padding: 16px;
    border-radius: 12px;
  }

  .why-visual-img {
    height: 270px;
    border-radius: 16px;
  }

  .why-highlight-pill {
    bottom: -15px;
    left: 15px;
    padding: 12px 16px;
    border-radius: 12px;
    gap: 12px;
  }

  .highlight-pill-number {
    font-size: 1.65rem;
  }

  .highlight-pill-text {
    font-size: 0.78rem;
  }

  /* 6. PROCESSO E FINANCIAMENTO NO MOBILE */
  .process-grid {
    gap: 14px;
  }

  .process-step-card {
    padding: 18px 16px;
    border-radius: 12px;
  }

  .step-number {
    font-size: 1.5rem;
    margin-bottom: 8px;
  }

  .step-title {
    font-size: 1.05rem;
  }

  .step-desc {
    font-size: 0.86rem;
  }

  .financing-banner {
    padding: 20px 16px;
    margin-top: 26px;
    border-radius: 14px;
    flex-direction: column;
    align-items: stretch;
    text-align: left;
    gap: 16px;
  }

  .financing-text h3 {
    font-size: 1.2rem;
  }

  .financing-text p {
    font-size: 0.86rem;
  }

  .financing-banner .btn {
    width: 100%;
    border-radius: 10px;
    padding: 12px;
  }

  /* 7. DEPOIMENTOS NO MOBILE */
  .testimonials-grid {
    gap: 16px;
  }

  .testimonial-card {
    padding: 20px 16px;
    border-radius: 14px;
  }

  .testimonial-quote {
    font-size: 0.88rem;
    line-height: 1.55;
    margin-bottom: 16px;
  }

  /* 8. CONTATO E FORMULÁRIO NO MOBILE */
  .contact-info-card {
    padding: 26px 18px;
    border-radius: 16px;
  }

  .contact-info-card h3 {
    font-size: 1.45rem;
  }

  .contact-details-list {
    gap: 16px;
    margin-bottom: 24px;
  }

  .contact-icon-bubble {
    width: 40px;
    height: 40px;
    border-radius: 10px;
  }

  .form-card {
    padding: 24px 18px;
    border-radius: 16px;
  }

  .form-card h3 {
    font-size: 1.45rem;
  }

  .form-control {
    padding: 11px 14px;
    font-size: 0.92rem;
    border-radius: 8px;
  }

  .form-group label {
    font-size: 0.84rem;
  }

  .form-card .btn-lg {
    border-radius: 10px;
    padding: 14px;
    font-size: 0.95rem;
  }

  /* 9. BOTÃO FLUTUANTE WHATSAPP NO MOBILE */
  .floating-whatsapp {
    bottom: 16px;
    right: 16px;
    gap: 0;
  }

  .floating-whatsapp-btn {
    width: 52px;
    height: 52px;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.45);
  }

  .floating-whatsapp-btn svg {
    width: 28px;
    height: 28px;
  }
}

/* Telas muito pequenas (<= 380px) */
@media (max-width: 380px) {
  .container {
    padding: 0 12px;
  }

  .simulator-box {
    padding: 16px 10px;
  }

  .simulator-results {
    padding: 18px 12px;
  }

  .saving-amount {
    font-size: 1.85rem;
  }

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

  .results-stats-grid {
    grid-template-columns: 1fr;
  }

  .credentials-grid {
    grid-template-columns: 1fr;
  }
}