/* ==========================================================================
   SOLAR MAIA — ENERGIA RENOVÁVEL
   Design System & Estilos Principais (Totalmente Vetorial / Sem Emojis)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@400;500;600;700;800&display=swap');

:root {
  /* Cores Oficiais Solar Maia */
  --verde-solar: #00B050;
  --verde-escuro: #006B33;
  --amarelo-solar: #FFD200;
  --dourado-laranja: #F9A825;
  --branco: #FFFFFF;
  --preto: #000000;

  /* Variações e Tons de Suporte */
  --verde-hover: #029443;
  --verde-profundo: #072B17;
  --verde-floresta: #0A3D21;
  --verde-suave: #EDF7F1;
  --verde-borda: rgba(0, 176, 80, 0.2);
  --amarelo-hover: #F0C400;
  --amarelo-suave: #FFF9E6;

  /* Escala de Cinzas & Neutros */
  --cinza-bg: #F8FAF9;
  --cinza-bg-card: #FFFFFF;
  --cinza-borda: #E4EBE6;
  --cinza-subtitulo: #4A5B52;
  --cinza-texto: #2D3A34;
  --cinza-escuro: #121A15;

  /* Tipografia */
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Sombras & Efeitos */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px rgba(7, 43, 23, 0.08);
  --shadow-lg: 0 16px 36px rgba(7, 43, 23, 0.12);
  --shadow-card-hover: 0 20px 40px rgba(0, 107, 51, 0.14);
  --shadow-btn: 0 8px 20px rgba(255, 210, 0, 0.35);

  /* Dimensões & Borda */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 9999px;
  --container-max: 1240px;
  --transition-normal: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset Global */
*, *::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-body);
  color: var(--cinza-texto);
  background-color: var(--cinza-bg);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

button, input {
  font-family: inherit;
  border: none;
  outline: none;
}

svg {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

/* Utilitários de Layout */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

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

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--verde-escuro);
  background-color: var(--verde-suave);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
  border: 1px solid var(--verde-borda);
}

.section-tag.tag-white {
  color: var(--amarelo-solar);
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.section-tag .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--amarelo-solar);
  display: inline-block;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.9rem, 3.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.22;
  color: var(--cinza-escuro);
  margin-bottom: 16px;
}

.section-title span.highlight {
  color: var(--verde-solar);
  position: relative;
}

.section-subtitle {
  font-size: 1.08rem;
  color: var(--cinza-subtitulo);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.6;
}

.section-padding {
  padding: 96px 0;
}

/* ==========================================================================
   HEADER & NAVBAR
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition-normal);
  background: rgba(7, 43, 23, 0.45);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.site-header.scrolled {
  background: rgba(7, 43, 23, 0.96);
  padding: 12px 0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid rgba(0, 176, 80, 0.25);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  display: flex;
  align-items: center;
}

.header-logo img {
  height: 52px;
  width: auto;
  object-fit: contain;
  transition: var(--transition-normal);
}

.site-header.scrolled .header-logo img {
  height: 46px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  padding: 6px 0;
  position: relative;
}

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

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

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Botões Pílula (Estilo Sunvolt Benchmark) */
.btn-pill-primary {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background-color: var(--amarelo-solar);
  color: var(--cinza-escuro);
  font-family: var(--font-heading);
  font-size: 0.94rem;
  font-weight: 700;
  padding: 10px 10px 10px 22px;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-btn);
  transition: var(--transition-normal);
  cursor: pointer;
  border: 1px solid #FFDE33;
}

.btn-pill-primary:hover {
  background-color: var(--dourado-laranja);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(249, 168, 37, 0.4);
}

.btn-pill-primary .icon-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--cinza-escuro);
  color: var(--amarelo-solar);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-normal);
}

.btn-pill-primary .icon-circle svg {
  stroke: var(--amarelo-solar);
  transition: transform 0.2s ease;
}

.btn-pill-primary:hover .icon-circle {
  background-color: #FFFFFF;
}

.btn-pill-primary:hover .icon-circle svg {
  stroke: var(--verde-escuro);
  transform: translateX(2px);
}

.btn-pill-secondary {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 0.94rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(8px);
  transition: var(--transition-normal);
  cursor: pointer;
}

.btn-pill-secondary:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: #FFFFFF;
  color: var(--amarelo-solar);
  transform: translateY(-2px);
}

.btn-pill-secondary .icon-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-pill-secondary .icon-circle svg {
  fill: #FFFFFF;
}

.btn-pill-secondary:hover .icon-circle svg {
  fill: var(--amarelo-solar);
}

/* Botão Verde de Destaque */
.btn-pill-green {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background-color: var(--verde-solar);
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 0.94rem;
  font-weight: 700;
  padding: 12px 12px 12px 24px;
  border-radius: var(--radius-pill);
  box-shadow: 0 8px 24px rgba(0, 176, 80, 0.35);
  transition: var(--transition-normal);
  cursor: pointer;
}

.btn-pill-green:hover {
  background-color: var(--verde-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 176, 80, 0.45);
}

.btn-pill-green .icon-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-pill-green .icon-circle svg {
  stroke: var(--verde-escuro);
}

/* Menu Mobile Hamburger */
.mobile-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-sm);
  padding: 8px;
  cursor: pointer;
  color: #FFFFFF;
}

.mobile-menu-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 85%;
  max-width: 340px;
  height: 100vh;
  background: var(--verde-profundo);
  z-index: 1001;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
  transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  border-left: 1px solid rgba(0, 176, 80, 0.3);
}

.mobile-menu-drawer.open {
  right: 0;
}

.drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.drawer-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 16px;
}

.drawer-close {
  background: none;
  border: none;
  color: #FFFFFF;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
}

.drawer-links {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 36px;
}

.drawer-links a {
  font-size: 1.1rem;
  font-weight: 600;
  color: #FFFFFF;
}

.drawer-links a:hover {
  color: var(--amarelo-solar);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 92vh;
  padding-top: 150px;
  padding-bottom: 130px;
  display: flex;
  align-items: center;
  background: url('../assets/img/hero-solar.jpg') center center / cover no-repeat;
  color: #FFFFFF;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(7, 43, 23, 0.94) 0%,
    rgba(10, 61, 33, 0.88) 45%,
    rgba(0, 40, 20, 0.72) 100%
  );
  z-index: 1;
}

.hero-curve-decor {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 60px;
  background: var(--cinza-bg);
  clip-path: ellipse(65% 100% at 50% 100%);
  z-index: 3;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
}

.hero-rating-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(10px);
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  margin-bottom: 24px;
}

.stars-group {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  color: var(--amarelo-solar);
}

.stars-group svg {
  width: 15px;
  height: 15px;
  fill: currentColor;
}

.hero-rating-text {
  font-size: 0.85rem;
  font-weight: 600;
  color: #FFFFFF;
}

.hero-rating-text span {
  color: var(--amarelo-solar);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  color: #FFFFFF;
  margin-bottom: 22px;
  letter-spacing: -0.02em;
}

.hero-title span.accent-yellow {
  color: var(--amarelo-solar);
  font-style: italic;
  font-weight: 700;
}

.hero-title span.accent-green {
  color: #4ADE80;
}

.hero-description {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 36px;
  max-width: 720px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.hero-microcopy {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-microcopy svg {
  color: var(--amarelo-solar);
}

/* Selos de Confiança no Hero */
.hero-trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.trust-badge-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.95);
}

.trust-badge-item svg {
  color: var(--amarelo-solar);
  flex-shrink: 0;
}

/* ==========================================================================
   CARDS DE TRANSIÇÃO HERO (Inspirado no Benchmark Sunvolt)
   ========================================================================== */
.feature-cards-wrap {
  position: relative;
  z-index: 10;
  margin-top: -65px;
  margin-bottom: 40px;
}

.feature-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--branco);
  border-radius: var(--radius-md);
  padding: 36px 30px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--cinza-borda);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

.feature-card.highlighted {
  background: linear-gradient(135deg, #0A4A28 0%, #006B33 100%);
  color: #FFFFFF;
  border-color: var(--verde-solar);
  box-shadow: 0 16px 36px rgba(0, 107, 51, 0.25);
}

.card-top-tag {
  position: absolute;
  top: 18px;
  right: 18px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--amarelo-solar);
  color: var(--cinza-escuro);
}

.feature-icon-box {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-sm);
  background: var(--verde-suave);
  color: var(--verde-escuro);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  transition: var(--transition-normal);
}

.feature-icon-box svg {
  width: 26px;
  height: 26px;
  stroke: currentColor;
}

.feature-card.highlighted .feature-icon-box {
  background: rgba(255, 255, 255, 0.15);
  color: var(--amarelo-solar);
}

.feature-card:hover .feature-icon-box {
  transform: scale(1.08);
}

.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--cinza-escuro);
}

.feature-card.highlighted h3 {
  color: #FFFFFF;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--cinza-subtitulo);
  line-height: 1.55;
}

.feature-card.highlighted p {
  color: rgba(255, 255, 255, 0.88);
}

/* ==========================================================================
   SEÇÃO SOBRE A SOLAR MAIA (Autoridade e Equipe Técnica)
   ========================================================================== */
.about-section {
  background-color: var(--branco);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 56px;
  align-items: center;
}

.about-visual-wrap {
  position: relative;
}

.about-image-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 4px solid var(--branco);
  position: relative;
}

.about-image-frame img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.about-visual-wrap:hover .about-image-frame img {
  transform: scale(1.03);
}

/* Selo Flutuante sobre a Imagem (Benchmark Sunvolt) */
.about-floating-stat {
  position: absolute;
  bottom: 24px;
  right: 24px;
  background: rgba(7, 43, 23, 0.92);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(0, 176, 80, 0.4);
  padding: 16px 22px;
  border-radius: var(--radius-md);
  color: #FFFFFF;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: center;
  gap: 16px;
}

.floating-stat-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--verde-solar);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.floating-stat-icon svg {
  stroke: #FFFFFF;
}

.floating-stat-content h4 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--amarelo-solar);
  line-height: 1.2;
}

.floating-stat-content p {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
}

.about-content-wrap .section-title {
  margin-bottom: 20px;
}

.about-intro-text {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--cinza-subtitulo);
  margin-bottom: 24px;
}

.about-checklist {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
}

.about-check-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.96rem;
  color: var(--cinza-texto);
  font-weight: 500;
}

.check-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--verde-suave);
  color: var(--verde-escuro);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.check-icon svg {
  stroke: var(--verde-escuro);
}

/* ==========================================================================
   SEÇÃO BENEFÍCIOS (4 Pilares)
   ========================================================================== */
.benefits-section {
  background-color: var(--cinza-bg);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 50px;
}

.benefit-card {
  background: var(--branco);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  border: 1px solid var(--cinza-borda);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  text-align: left;
}

.benefit-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--verde-solar);
}

.benefit-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--verde-suave);
  color: var(--verde-escuro);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: var(--transition-normal);
}

.benefit-icon-wrap svg {
  width: 26px;
  height: 26px;
  stroke: currentColor;
}

.benefit-card:hover .benefit-icon-wrap {
  background: var(--verde-solar);
  color: #FFFFFF;
}

.benefit-card:hover .benefit-icon-wrap svg {
  stroke: #FFFFFF;
}

.benefit-card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--cinza-escuro);
  margin-bottom: 10px;
}

.benefit-card p {
  font-size: 0.9rem;
  color: var(--cinza-subtitulo);
  line-height: 1.5;
}

/* ==========================================================================
   SEÇÃO SOLUÇÕES SOB MEDIDA (4 Segmentos com Fotos Reais)
   ========================================================================== */
.solutions-section {
  background-color: var(--branco);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin-top: 50px;
}

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

.solution-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--verde-solar);
}

.solution-image-box {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.solution-image-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.solution-category-tag {
  position: absolute;
  top: 18px;
  left: 18px;
  background: rgba(7, 43, 23, 0.85);
  backdrop-filter: blur(8px);
  color: #FFFFFF;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(0, 176, 80, 0.4);
}

.solution-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.solution-body h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--cinza-escuro);
  margin-bottom: 12px;
}

.solution-body p {
  font-size: 0.95rem;
  color: var(--cinza-subtitulo);
  line-height: 1.6;
  margin-bottom: 24px;
  flex-grow: 1;
}

.solution-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  border-top: 1px solid var(--cinza-borda);
}

.solution-link {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--verde-escuro);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.solution-link:hover {
  color: var(--verde-solar);
}

.solution-link svg {
  transition: transform 0.3s ease;
}

.solution-card:hover .solution-link svg {
  transform: translateX(4px);
}

/* ==========================================================================
   SIMULADOR INTERATIVO DE ECONOMIA (Alta Conversão CRO)
   ========================================================================== */
.calculator-section {
  background: linear-gradient(145deg, #072B17 0%, #005026 50%, #006B33 100%);
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
}

.calc-bg-pattern {
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 210, 0, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.calculator-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
  margin-top: 40px;
}

.calculator-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 48px;
  align-items: center;
}

.calc-input-block h3 {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.calc-input-block p {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 28px;
}

.slider-wrapper {
  margin-bottom: 32px;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 16px;
}

.slider-label {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.75);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.slider-current-val {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--amarelo-solar);
  line-height: 1;
}

/* Custom Range Slider */
.calc-range-slider {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 12px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.2);
  outline: none;
  transition: opacity 0.2s;
  cursor: pointer;
}

.calc-range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--amarelo-solar);
  box-shadow: 0 0 14px rgba(255, 210, 0, 0.8);
  cursor: pointer;
  border: 3px solid #072B17;
  transition: transform 0.15s ease;
}

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

.slider-bounds {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 10px;
}

/* Resultados da Calculadora */
.calc-results-block {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 32px 28px;
}

.result-main-metric {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.result-main-metric .metric-label {
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 6px;
}

.result-main-metric .metric-value {
  font-family: var(--font-heading);
  font-size: 2.3rem;
  font-weight: 800;
  color: #4ADE80;
  line-height: 1.1;
}

.metrics-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 28px;
}

.sub-metric-box {
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  padding: 14px;
}

.sub-metric-box .label {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 4px;
}

.sub-metric-box .val {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--amarelo-solar);
}

/* ==========================================================================
   CONDIÇÕES DE PAGAMENTO
   ========================================================================== */
.payment-section {
  background-color: var(--cinza-bg);
}

.payment-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin-top: 45px;
}

.payment-card {
  background: var(--branco);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  border: 1px solid var(--cinza-borda);
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: 24px;
  align-items: flex-start;
  transition: var(--transition-normal);
}

.payment-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--verde-solar);
}

.payment-icon-box {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: var(--verde-suave);
  color: var(--verde-escuro);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.payment-icon-box svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
}

.payment-info h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--cinza-escuro);
  margin-bottom: 10px;
}

.payment-info p {
  font-size: 0.95rem;
  color: var(--cinza-subtitulo);
  line-height: 1.6;
}

/* ==========================================================================
   COMO FUNCIONA (Timeline em 5 Etapas)
   ========================================================================== */
.how-it-works-section {
  background-color: var(--branco);
}

.steps-container {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-top: 50px;
  position: relative;
}

.steps-container::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 10%;
  width: 80%;
  height: 2px;
  background: linear-gradient(90deg, var(--verde-solar), var(--amarelo-solar));
  z-index: 1;
}

.step-item {
  position: relative;
  z-index: 2;
  text-align: center;
}

.step-number {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: var(--branco);
  border: 3px solid var(--verde-solar);
  color: var(--verde-escuro);
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px auto;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

.step-item:hover .step-number {
  background: var(--verde-solar);
  color: #FFFFFF;
  transform: scale(1.1);
  box-shadow: 0 8px 20px rgba(0, 176, 80, 0.3);
}

.step-item h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--cinza-escuro);
  margin-bottom: 8px;
}

.step-item p {
  font-size: 0.88rem;
  color: var(--cinza-subtitulo);
  line-height: 1.5;
}

/* ==========================================================================
   PROJETOS / ENERGIA SOLAR NA PRÁTICA
   ========================================================================== */
.portfolio-section {
  background-color: var(--cinza-bg);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 45px;
}

.portfolio-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  height: 280px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--cinza-borda);
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.portfolio-item:hover img {
  transform: scale(1.08);
}

.portfolio-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 20px;
  background: linear-gradient(180deg, transparent 0%, rgba(7, 43, 23, 0.95) 100%);
  color: #FFFFFF;
}

.portfolio-overlay h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.portfolio-overlay p {
  font-size: 0.82rem;
  color: var(--amarelo-solar);
}

/* ==========================================================================
   QUEBRA DE OBJEÇÕES & CONTEÚDO EDUCATIVO
   ========================================================================== */
.education-section {
  background-color: var(--branco);
}

.education-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 45px;
}

.education-card {
  background: var(--cinza-bg);
  border-radius: var(--radius-md);
  padding: 32px 26px;
  border: 1px solid var(--cinza-borda);
  transition: var(--transition-normal);
}

.education-card:hover {
  transform: translateY(-4px);
  border-color: var(--verde-solar);
  box-shadow: var(--shadow-md);
}

.education-card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--cinza-escuro);
  margin-bottom: 12px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.education-card h3 svg {
  color: var(--verde-escuro);
  flex-shrink: 0;
  margin-top: 3px;
}

.education-card p {
  font-size: 0.92rem;
  color: var(--cinza-subtitulo);
  line-height: 1.6;
}

/* ==========================================================================
   FAQ (Accordion)
   ========================================================================== */
.faq-section {
  background-color: var(--cinza-bg);
}

.faq-accordion-wrap {
  max-width: 820px;
  margin: 45px auto 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--branco);
  border-radius: var(--radius-md);
  border: 1px solid var(--cinza-borda);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: var(--transition-normal);
}

.faq-item.active {
  border-color: var(--verde-solar);
  box-shadow: 0 4px 16px rgba(0, 176, 80, 0.12);
}

.faq-header {
  width: 100%;
  padding: 20px 24px;
  background: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  text-align: left;
}

.faq-header h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--cinza-escuro);
  padding-right: 16px;
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--verde-suave);
  color: var(--verde-escuro);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition-normal);
}

.faq-icon svg {
  stroke: var(--verde-escuro);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
  background: var(--verde-solar);
}

.faq-item.active .faq-icon svg {
  stroke: #FFFFFF;
  transform: rotate(45deg);
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out, padding 0.35s ease-out;
  padding: 0 24px;
}

.faq-item.active .faq-body {
  padding: 0 24px 22px 24px;
}

.faq-body p {
  font-size: 0.95rem;
  color: var(--cinza-subtitulo);
  line-height: 1.65;
}

/* ==========================================================================
   CTA FINAL DE ALTO IMPACTO
   ========================================================================== */
.final-cta-section {
  position: relative;
  background: linear-gradient(135deg, #072B17 0%, #0A4D26 100%);
  color: #FFFFFF;
  padding: 100px 0;
  overflow: hidden;
  text-align: center;
}

.final-cta-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin: 0 auto;
}

.final-cta-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 4.5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  color: #FFFFFF;
}

.final-cta-title span {
  color: var(--amarelo-solar);
}

.final-cta-subtitle {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 36px;
  line-height: 1.6;
}

.final-cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.final-contact-info {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
}

.final-contact-info a {
  color: var(--amarelo-solar);
  text-decoration: underline;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background-color: var(--cinza-escuro);
  color: rgba(255, 255, 255, 0.7);
  padding: 70px 0 30px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-logo img {
  height: 52px;
  width: auto;
  margin-bottom: 16px;
}

.footer-brand-text {
  font-size: 0.9rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 20px;
}

.footer-slogan {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--amarelo-solar);
  font-style: italic;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 20px;
  position: relative;
}

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

.footer-links a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.75);
}

.footer-links a:hover {
  color: var(--amarelo-solar);
  padding-left: 4px;
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-size: 0.9rem;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.footer-contact-item svg {
  color: var(--verde-solar);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  flex-wrap: wrap;
  gap: 16px;
}

/* ==========================================================================
   BOTÃO FLUTUANTE WHATSAPP (Conversão Permanente)
   ========================================================================== */
.floating-whatsapp-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: #25D366;
  color: #FFFFFF;
  padding: 12px 20px 12px 14px;
  border-radius: var(--radius-pill);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
  transition: var(--transition-normal);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  animation: pulse-whatsapp 2.5s infinite;
}

.floating-whatsapp-btn:hover {
  background-color: #20BA5A;
  transform: scale(1.05) translateY(-2px);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.6);
  color: #FFFFFF;
}

.floating-whatsapp-btn svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

@keyframes pulse-whatsapp {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6); }
  70% { box-shadow: 0 0 0 14px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ==========================================================================
   RESPONSIVIDADE (Tablets & Mobile)
   ========================================================================== */
@media (max-width: 1024px) {
  .nav-menu { display: none; }
  .mobile-toggle { display: block; }
  
  .feature-cards-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  
  .feature-cards-wrap {
    margin-top: -30px;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .about-image-frame img {
    height: 380px;
  }
  
  .calculator-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  
  .steps-container {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  
  .steps-container::before {
    display: none;
  }
  
  .step-item {
    display: flex;
    text-align: left;
    gap: 20px;
    align-items: flex-start;
  }
  
  .step-number {
    margin: 0;
    flex-shrink: 0;
  }
  
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .section-padding {
    padding: 64px 0;
  }
  
  .benefits-grid {
    grid-template-columns: 1fr;
  }
  
  .solutions-grid {
    grid-template-columns: 1fr;
  }
  
  .payment-cards-grid {
    grid-template-columns: 1fr;
  }
  
  .education-grid {
    grid-template-columns: 1fr;
  }
  
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .header-actions .btn-pill-primary {
    display: none;
  }
  
  .hero-section {
    padding-top: 130px;
    padding-bottom: 90px;
    min-height: auto;
  }
  
  .hero-cta-group {
    flex-direction: column;
    align-items: stretch;
  }
  
  .hero-cta-group .btn-pill-primary,
  .hero-cta-group .btn-pill-secondary {
    justify-content: center;
    width: 100%;
    padding: 14px 20px;
  }
  
  .calculator-card {
    padding: 28px 20px;
  }
  
  .slider-current-val {
    font-size: 1.8rem;
  }
  
  .result-main-metric .metric-value {
    font-size: 1.8rem;
  }
  
  .metrics-row {
    grid-template-columns: 1fr;
  }
  
  .floating-whatsapp-btn span {
    display: none;
  }
  
  .floating-whatsapp-btn {
    padding: 14px;
    bottom: 20px;
    right: 20px;
  }
}