/* ==========================================================================
   DESIGN SYSTEM - CASA MODELO (PEIXE PERSA)
   Paleta: Terracota (#8D2A00), Azul Petróleo (#1A2E47), Branco Gelo (#E8ECE9), Cinza Grafite (#282828)
   ========================================================================== */

:root {
  /* Cores Principais */
  --bg-primary: #1A2E47;         /* Azul Petróleo Escuro */
  --bg-secondary: #282828;       /* Cinza Grafite */
  --accent-terracotta: #8D2A00;   /* Terracota */
  --accent-terracotta-hover: #a63200;
  
  /* Cores de Apoio da Marca Peixe Persa */
  --gold-matte: #C5A880;          /* Dourado Envelhecido */
  --gold-matte-rgb: 197, 168, 128;
  
  /* Cores Textuais */
  --text-primary: #E8ECE9;        /* Branco Gelo */
  --text-muted: #C8C2BA;          /* Creme Muted */
  --text-dark: #161413;           /* Escuro */

  /* Bordas e Contêineres */
  --border-color: rgba(197, 168, 128, 0.15);
  --border-color-hover: rgba(197, 168, 128, 0.35);
  --card-bg: rgba(40, 40, 40, 0.6);
  --card-bg-solid: #202020;

  /* Fontes */
  --font-heading: 'Cinzel', serif;
  --font-italic-serif: 'Cormorant Garamond', serif;
  --font-body: 'Outfit', sans-serif;
  
  /* Transições e Sombras */
  --transition-smooth: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  --shadow-premium: 0 15px 35px rgba(0, 0, 0, 0.4);
}

/* ==========================================================================
   ALTO CONTRASTE (ACESSIBILIDADE)
   ========================================================================== */
/* ==========================================================================
   TEMA CLARO (LIGHT THEME)
   ========================================================================== */
body.light-theme {
  --bg-primary: #F4F6F5;         /* Soft off-white */
  --bg-secondary: #E8ECE9;       /* Branco Gelo */
  --accent-terracotta: #8D2A00;   /* Terracota */
  --accent-terracotta-hover: #a63200;
  --gold-matte: #A37E58;          /* Bronze Rústico */
  --text-primary: #1C2D42;        /* Dark Slate Blue */
  --text-muted: #4A5568;          /* Darker muted text */
  --text-dark: #FFFFFF;
  --border-color: rgba(26, 46, 71, 0.15);
  --border-color-hover: rgba(26, 46, 71, 0.3);
  --card-bg: rgba(232, 236, 233, 0.55);
  --card-bg-solid: #E8ECE9;
}

body.light-theme .logo-casamodelo,
body.light-theme .logo-peixepersa {
  filter: none !important;
}

body.light-theme .site-header {
  background-color: rgba(244, 246, 245, 0.7);
  border-bottom-color: rgba(26, 46, 71, 0.15);
}

body.light-theme .site-header.scrolled {
  background-color: rgba(232, 236, 233, 0.9);
  box-shadow: 0 5px 25px rgba(26, 46, 71, 0.1);
}

body.light-theme .footer-copy {
  color: rgba(28, 45, 66, 0.55);
  border-top-color: rgba(26, 46, 71, 0.15);
}

body.light-theme .chapter-tab {
  color: #1C2D42 !important;
}

body.light-theme .chapter-tab.active {
  background-color: rgba(26, 46, 71, 0.08);
  border-color: rgba(26, 46, 71, 0.15);
  color: #1C2D42 !important;
}

body.light-theme .chapter-tab:hover {
  color: var(--accent-terracotta) !important;
}

body.light-theme .lead-form input {
  background-color: #FFFFFF;
  color: #1C2D42;
  border-color: rgba(26, 46, 71, 0.2);
}

body.light-theme .lead-form input:focus {
  border-color: var(--accent-terracotta);
  background-color: #FFFFFF;
}

body.light-theme .placeholder-gradient.bg-antes {
  background: #E8ECE9 !important;
  color: rgba(26, 46, 71, 0.3) !important;
}

body.light-theme .placeholder-gradient.bg-depois {
  background: linear-gradient(135deg, #1A2E47 0%, #8D2A00 100%) !important;
  color: #E8ECE9 !important;
}

body.light-theme .gallery-card.locked {
  background-color: #E8ECE9;
  border-color: rgba(26, 46, 71, 0.15);
}

body.light-theme .card-image-placeholder {
  background: linear-gradient(135deg, rgba(26,46,71,0.1), rgba(26,46,71,0.2));
}

body.light-theme .btn-secondary {
  border-color: #1C2D42;
  color: #1C2D42;
}

body.light-theme .btn-secondary:hover {
  background-color: #1C2D42;
  color: #FFFFFF;
}

body.light-theme .btn-contrast {
  border-color: rgba(26, 46, 71, 0.2);
  color: #1C2D42;
}

body.light-theme .btn-contrast:hover {
  border-color: var(--accent-terracotta);
}

body.light-theme .btn-outline {
  border-color: rgba(26, 46, 71, 0.2);
  color: #1C2D42;
}

body.light-theme .btn-outline:hover {
  background-color: rgba(26, 46, 71, 0.05);
}

body.light-theme #btn-hero-secondary {
  background-color: #1A2E47 !important;
  color: #FFFFFF !important;
  animation: pulse-dark-theme 2s infinite;
  box-shadow: 0 4px 15px rgba(26, 46, 71, 0.35);
}

body.light-theme #btn-hero-secondary:hover {
  background-color: #132237 !important;
  color: #FFFFFF !important;
}

@keyframes pulse-dark-theme {
  0% {
    box-shadow: 0 0 0 0 rgba(26, 46, 71, 0.45);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(26, 46, 71, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(26, 46, 71, 0);
  }
}

/* ==========================================================================
   RESET & SETUP
   ========================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  font-weight: 300;
  overflow-x: hidden;
  position: relative;
  transition: background-color 0.3s ease, color 0.3s ease;
}

a {
  color: var(--gold-matte);
  text-decoration: none;
  transition: var(--transition-smooth);
}

a:hover {
  color: var(--text-primary);
}

ul {
  list-style: none;
}

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

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

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

.sr-only-focusable:focus {
  position: fixed;
  top: 15px;
  left: 15px;
  width: auto;
  height: auto;
  padding: 15px;
  background-color: var(--accent-terracotta);
  color: var(--text-primary);
  z-index: 99999;
  border-radius: 8px;
  font-weight: bold;
}

/* ==========================================================================
   ESTILOS DE COMPONENTES REUSÁVEIS
   ========================================================================== */
.text-terracotta {
  color: var(--accent-terracotta);
}

.italic-serif {
  font-family: var(--font-italic-serif);
  font-style: italic;
  text-transform: none;
}

.section-padding {
  padding: 100px 0;
}

.section-header {
  margin-bottom: 60px;
}

.section-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--gold-matte);
  font-weight: 500;
  display: block;
  margin-bottom: 10px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 400;
  letter-spacing: 2px;
  color: var(--text-primary);
}

.header-line {
  width: 60px;
  height: 2px;
  background-color: var(--accent-terracotta);
  margin: 15px auto 25px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto;
  font-weight: 300;
}

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

/* Grelhas */
.grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

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

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 30px;
  border-radius: 30px;
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: var(--transition-smooth);
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--accent-terracotta);
  color: var(--text-primary);
  box-shadow: 0 4px 15px rgba(141, 42, 0, 0.35);
}

.btn-primary:hover {
  background-color: var(--accent-terracotta-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(141, 42, 0, 0.5);
  color: var(--text-primary);
}

.btn-secondary {
  background-color: transparent;
  color: var(--gold-matte);
  border-color: var(--gold-matte);
}

.btn-secondary:hover {
  background-color: var(--gold-matte);
  color: var(--text-dark);
  box-shadow: 0 4px 15px rgba(197, 168, 128, 0.25);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-primary);
  border-color: rgba(232, 236, 233, 0.2);
}

.btn-outline:hover {
  border-color: var(--text-primary);
  background-color: rgba(232, 236, 233, 0.05);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 0.95rem;
}

/* ==========================================================================
   CABEÇALHO / HEADER
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(40, 40, 40, 0.65);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 15px 0;
  transition: var(--transition-smooth);
}

.site-header.scrolled {
  padding: 10px 0;
  background-color: rgba(20, 20, 20, 0.9);
  box-shadow: 0 5px 25px rgba(0, 0, 0, 0.3);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.brand-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-casamodelo {
  height: 52px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1) drop-shadow(0px 2px 4px rgba(255, 255, 255, 0.05));
  transition: var(--transition-smooth);
}

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

.brand-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.logo-peixepersa {
  height: 38px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1) drop-shadow(0px 2px 4px rgba(255, 255, 255, 0.1));
  transition: var(--transition-smooth);
}

.logo-peixepersa:hover {
  transform: scale(1.05);
}

/* Chapter Progress Tabs style for Navbar */
.chapter-tabs {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  list-style: none;
}

.chapter-tab {
  padding: 0.5rem 1.2rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: 20px;
  cursor: pointer;
  opacity: 0.5;
  transition: var(--transition-smooth);
  border: 1px solid transparent;
  color: var(--text-primary) !important;
  display: inline-block;
  font-family: var(--font-body);
}

.chapter-tab:hover {
  opacity: 0.8;
  color: var(--text-primary) !important;
}

.chapter-tab.active {
  opacity: 1;
  background-color: rgba(232, 236, 233, 0.1);
  border-color: rgba(232, 236, 233, 0.2);
  color: #FFFFFF !important;
}

body.high-contrast .logo-casamodelo,
body.high-contrast .logo-peixepersa {
  filter: none;
}

body.high-contrast .chapter-tab.active {
  background-color: #FFFF00;
  color: #000000 !important;
  border-color: #FFFFFF;
}

.nav-cta {
  font-size: 0.8rem;
  padding: 8px 18px;
  margin-right: 5px;
}

.btn-contrast {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: var(--transition-smooth);
}

.btn-contrast:hover {
  border-color: var(--gold-matte);
  transform: scale(1.05);
}

/* ==========================================================================
   SEÇÃO HERO
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  background-color: var(--bg-primary);
  background-image: linear-gradient(to bottom, rgba(40,40,40,0.1), var(--bg-primary)), 
                    radial-gradient(ellipse at center, rgba(26,46,71,0.2) 0%, transparent 70%);
}

.hero-bg-glow {
  position: absolute;
  width: 800px;
  height: 600px;
  background: radial-gradient(circle, rgba(141, 42, 0, 0.06) 0%, transparent 70%);
  top: 20%;
  right: -100px;
  z-index: 1;
  pointer-events: none;
}

.hero-container {
  position: relative;
  z-index: 5;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-eyebrow {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--gold-matte);
  display: block;
  margin-bottom: 20px;
  font-weight: 500;
  animation: slideUp 0.8s ease-out;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: 1px;
  margin-bottom: 25px;
  color: var(--text-primary);
  animation: slideUp 1s ease-out;
}

.text-gold {
  color: var(--gold-matte) !important;
}

.hero-desc {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 40px;
  font-weight: 300;
  animation: slideUp 1.2s ease-out;
  max-width: 680px;
}

.hero-actions {
  display: flex;
  gap: 20px;
  justify-content: center;
  animation: slideUp 1.4s ease-out;
}

#btn-hero-secondary {
  background-color: #FFFFFF !important;
  color: #1A2E47 !important;
  font-weight: 600;
  border: none;
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.25);
  animation: pulse-white 2s infinite;
}

#btn-hero-secondary:hover {
  background-color: #E8ECE9 !important;
  color: #1A2E47 !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.4);
}

@keyframes pulse-white {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.45);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(255, 255, 255, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
  }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   SEÇÃO SOBRE (PROJECT)
   ========================================================================== */
.project-section {
  background-color: var(--bg-secondary);
}

.project-text p {
  margin-bottom: 20px;
  color: var(--text-muted);
  font-size: 1rem;
}

.project-text .lead-text {
  font-size: 1.2rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
}

/* Mockup de Destaque */
.project-teaser-box {
  display: flex;
  justify-content: center;
  align-items: center;
}

.teaser-card {
  position: relative;
  width: 280px;
  height: 280px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  box-shadow: var(--shadow-premium);
  transition: var(--transition-smooth);
  overflow: hidden;
}

.teaser-card:hover {
  transform: translateY(-8px);
  border-color: var(--gold-matte);
}

.teaser-glow {
  position: absolute;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(141, 42, 0, 0.15) 0%, transparent 60%);
  z-index: 1;
}

.teaser-number {
  font-family: var(--font-heading);
  font-size: 5.5rem;
  color: var(--gold-matte);
  line-weight: 1;
  position: relative;
  z-index: 2;
  font-weight: 600;
}

.teaser-caption {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-primary);
  text-align: center;
  padding: 0 20px;
  position: relative;
  z-index: 2;
}

/* ==========================================================================
   SEÇÃO DE VÍDEO
   ========================================================================== */
.video-section {
  background-color: var(--bg-secondary);
}

.video-player-wrapper {
  max-width: 900px;
  margin: 0 auto;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
  border: 1px solid var(--border-color);
  background: var(--card-bg-solid);
  padding: 8px;
  transition: var(--transition-smooth);
}

.video-player-wrapper:hover {
  border-color: var(--gold-matte);
  box-shadow: 0 30px 70px rgba(141, 42, 0, 0.15);
}

.video-ratio-box {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 aspect ratio */
}

.video-ratio-box iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 10px;
}

/* ==========================================================================
   SEÇÃO DA GALERIA & SLIDER
   ========================================================================== */
.gallery-section {
  background-color: var(--bg-secondary);
}

/* Slider interativo */
.slider-wrapper {
  max-width: 800px;
  margin: 0 auto 50px;
  text-align: center;
}

.before-after-slider {
  position: relative;
  width: 100%;
  height: 450px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-premium);
  border: 1px solid var(--border-color);
  user-select: none;
  cursor: ew-resize;
}

.slider-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.img-before {
  z-index: 1;
}

.img-after {
  z-index: 2;
  width: 50%; /* Controlado via JS */
  border-right: 1px solid rgba(255, 255, 255, 0.2);
  overflow: hidden;
}

/* Gradientes de placeholder com grain */
.placeholder-gradient {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: var(--font-heading);
  font-size: 2.2rem;
  letter-spacing: 5px;
  font-weight: bold;
}

.bg-antes {
  background: linear-gradient(135deg, #2c2927 0%, #161413 100%);
  color: rgba(232, 236, 233, 0.15);
  box-shadow: inset 0 0 100px rgba(0, 0, 0, 0.8);
  position: relative;
}

.bg-antes::after {
  content: "ESTADO ANTERIOR DE DEGRADAÇÃO";
  position: absolute;
  bottom: 20px;
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 2px;
  color: rgba(200, 194, 186, 0.4);
}

.bg-depois {
  background: linear-gradient(135deg, #1A2E47 0%, #8D2A00 100%);
  color: rgba(232, 236, 233, 0.8);
  box-shadow: inset 0 0 100px rgba(0, 0, 0, 0.6);
  width: 800px; /* Mantém a largura fixa da imagem para não encolher com o container */
  height: 450px;
  position: relative;
}

.bg-depois::after {
  content: "AMBIENTE RESTAURADO E DECORADO";
  position: absolute;
  bottom: 20px;
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 2px;
  color: var(--gold-matte);
}

/* Alça do drag */
.slider-handle {
  position: absolute;
  top: 0;
  left: 50%; /* Controlado via JS */
  width: 4px;
  height: 100%;
  background-color: var(--gold-matte);
  z-index: 10;
  transform: translateX(-50%);
  pointer-events: none;
}

.handle-line {
  flex-grow: 1;
  width: 1px;
}

.handle-button {
  width: 44px;
  height: 44px;
  background-color: var(--accent-terracotta);
  border: 2px solid var(--gold-matte);
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--text-primary);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
  font-size: 0.85rem;
  gap: 3px;
}

.slider-hint {
  display: block;
  margin-top: 15px;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Grid de Teasers Bloqueados */
.gallery-teasers {
  margin-top: 60px;
}

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

.gallery-card {
  background-color: var(--bg-primary);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: var(--transition-smooth);
  position: relative;
}

.gallery-card.locked::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(22, 20, 19, 0.3);
  z-index: 2;
  pointer-events: none;
}

.gallery-card:hover {
  transform: translateY(-5px);
  border-color: var(--gold-matte);
}

.card-image-placeholder {
  height: 180px;
  background: linear-gradient(135deg, rgba(40,40,40,0.8), rgba(26,46,71,0.4));
  display: flex;
  justify-content: center;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
}

.lock-icon {
  font-size: 2rem;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.3));
  opacity: 0.7;
}

.card-info {
  padding: 20px;
}

.card-info h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--text-primary);
  font-weight: 500;
}

.card-info p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   SEÇÃO NEWSLETTER (LEAD CAPTURE)
   ========================================================================== */
.newsletter-section {
  background-color: var(--bg-primary);
  position: relative;
}

.newsletter-box {
  position: relative;
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 60px 40px;
  max-width: 800px;
  margin: 0 auto;
  overflow: hidden;
  box-shadow: var(--shadow-premium);
}

.newsletter-glow {
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(141, 42, 0, 0.15) 0%, transparent 60%);
  top: -200px;
  left: -100px;
  z-index: 1;
  pointer-events: none;
}

.newsletter-content {
  position: relative;
  z-index: 5;
  text-align: center;
}

.newsletter-title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  color: var(--gold-matte);
  margin-bottom: 15px;
  font-weight: 500;
}

.newsletter-desc {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto 35px;
}

/* Formulário */
.lead-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 460px;
  margin: 0 auto;
}

.form-group {
  position: relative;
  text-align: left;
}

.lead-form input {
  width: 100%;
  background-color: rgba(22, 20, 19, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 30px;
  padding: 15px 25px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-smooth);
}

.lead-form input::placeholder {
  color: rgba(200, 194, 186, 0.4);
}

.lead-form input:focus {
  border-color: var(--gold-matte);
  box-shadow: 0 0 15px rgba(197, 168, 128, 0.15);
  background-color: rgba(22, 20, 19, 0.9);
}

.btn-submit {
  width: 100%;
  border-radius: 30px;
  padding: 16px;
  font-size: 1rem;
  position: relative;
}

.btn-submit.loading .btn-text {
  opacity: 0;
}

.btn-submit.loading .btn-spinner {
  display: block;
}

.btn-spinner {
  display: none;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--text-primary);
  animation: spin 0.8s linear infinite;
  position: absolute;
  left: 50%;
  top: 50%;
  margin-left: -10px;
  margin-top: -10px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Feedbacks de Envio */
.form-feedback {
  margin-top: 30px;
  padding: 25px;
  border-radius: 16px;
  animation: fadeIn 0.5s ease-out;
  text-align: left;
}

.success-feedback {
  background-color: rgba(26, 46, 71, 0.8);
  border: 1px solid rgba(197, 168, 128, 0.3);
}

.success-feedback h3 {
  color: var(--gold-matte);
  margin-bottom: 8px;
  font-family: var(--font-heading);
}

.success-feedback p {
  font-size: 0.95rem;
  color: var(--text-primary);
  line-height: 1.5;
}

.error-feedback {
  background-color: rgba(141, 42, 0, 0.2);
  border: 1px solid var(--accent-terracotta);
}

.error-feedback h3 {
  color: var(--text-primary);
  margin-bottom: 8px;
}

.error-feedback p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Ocultar elementos */
[hidden] {
  display: none !important;
}

/* ==========================================================================
   RODAPÉ / FOOTER
   ========================================================================== */
.site-footer {
  background-color: var(--bg-secondary);
  padding: 60px 0 40px;
  border-top: 1px solid var(--border-color);
}

.footer-container {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  letter-spacing: 2px;
  margin-bottom: 15px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 320px;
}

.footer-links h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  letter-spacing: 1px;
  margin-bottom: 15px;
  color: var(--gold-matte);
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
}

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

.footer-copy {
  grid-column: 1 / -1;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 25px;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(200, 194, 186, 0.3);
}

/* Classes utilitárias do Screen Reader */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ==========================================================================
   RESPONSIVIDADE (MOBILE & TABLET)
   ========================================================================== */
@media (max-width: 991px) {
  .hero-title {
    font-size: 3rem;
  }
  .grid-2col {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .project-teaser-box {
    order: -1;
  }
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 767px) {
  .section-padding {
    padding: 70px 0;
  }
  .hero-title {
    font-size: 2.4rem;
  }
  .hero-desc {
    font-size: 1rem;
  }
  .site-header {
    padding: 10px 0;
  }
  .header-nav {
    display: none; /* Em projetos de produção incluiríamos um hambúrguer, mas simplificamos para focar no fluxo principal do formulário */
  }
  .before-after-slider {
    height: 350px;
  }
  .bg-depois {
    height: 350px;
  }
  .bg-antes {
    font-size: 1.5rem;
  }
  .bg-depois {
    font-size: 1.5rem;
  }
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .newsletter-box {
    padding: 40px 20px;
  }
  .footer-container {
    grid-template-columns: 1fr;
    gap: 30px;
    text-align: center;
  }
  .footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .footer-brand p {
    margin: 0 auto;
  }
  .footer-brand img {
    margin: 0 auto 15px !important;
  }
  .footer-links ul {
    align-items: center;
  }
}

@media (max-width: 485px) {
  .hero-actions {
    flex-direction: column;
    gap: 12px;
  }
  .btn-lg {
    width: 100%;
  }
  .hero-title {
    font-size: 2rem;
  }
}

/* ==========================================================================
   MODAL DE PRIVACIDADE
   ========================================================================== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.modal-container {
  position: relative;
  width: 90%;
  max-width: 600px;
  background-color: var(--card-bg-solid);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  box-shadow: var(--shadow-premium);
  display: flex;
  flex-direction: column;
  max-height: 85vh;
  z-index: 5;
  transform: translateY(20px);
  transition: transform 0.3s ease;
  overflow: hidden;
}

.modal.active .modal-container {
  transform: translateY(0);
}

.modal-header {
  padding: 20px 25px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--gold-matte);
  letter-spacing: 1px;
}

.modal-close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.8rem;
  line-height: 1;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.modal-close-btn:hover {
  color: var(--text-primary);
}

.modal-content {
  padding: 25px;
  overflow-y: auto;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.modal-content h3 {
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: var(--text-primary);
  margin: 20px 0 10px;
  font-weight: 600;
  text-align: left;
}

.modal-content h3:first-of-type {
  margin-top: 0;
}

.modal-content p {
  margin-bottom: 15px;
  text-align: left;
}

.modal-content ul {
  list-style: disc;
  padding-left: 20px;
  margin-bottom: 15px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: left;
}

.modal-content li {
  color: var(--text-muted);
}

.modal-footer {
  padding: 15px 25px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
}

/* Light Theme override for modal content */
body.light-theme .modal-container {
  background-color: #FFFFFF;
  border-color: rgba(26, 46, 71, 0.15);
}

body.light-theme .modal-title {
  color: var(--accent-terracotta);
}

body.light-theme .modal-content h3 {
  color: #1C2D42;
}

body.light-theme .modal-content {
  color: #4A5568;
}

body.light-theme .modal-header,
body.light-theme .modal-footer {
  border-color: rgba(26, 46, 71, 0.1);
}

body.light-theme .modal-close-btn {
  color: #4A5568;
}

body.light-theme .modal-close-btn:hover {
  color: #1C2D42;
}