/* ==========================================================================
   TERRA & FORMA Atelier de Arquitetura Bioclimática & Sustentável
   Estilos Principais & Identidade Visual Autoral
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@500;600;700;800&family=Playfair+Display:ital,wght@0,500;0,600;0,700;1,400&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
  /* Cores Principais da Arquitetura Sustentável */
  --color-forest-deep: #0b251e;
  --color-forest-mid: #14382e;
  --color-forest-light: #235446;
  --color-sage: #58876e;
  --color-sage-soft: #8dafa0;

  /* Terracota & Tijolo Aparente */
  --color-brick-dark: #6e2e1e;
  --color-brick-main: #9e4a33;
  --color-brick-warm: #bc5e44;
  --color-brick-light: #d67a60;

  /* Acentos de Luxo & Autoridade */
  --color-gold-accent: #c8a261;
  --color-gold-hover: #dfba79;
  --color-gold-glow: rgba(200, 162, 97, 0.28);

  /* Fundos & Superfícies */
  --color-linen-light: #faf8f5;
  --color-linen-muted: #f0ece1;
  --color-card-dark: #12211c;
  --color-charcoal: #151817;
  --color-text-dark: #1f2723;
  --color-text-muted: #5e6b65;
  --color-text-light: #f5f4ef;

  /* Bordas e Sombras */
  --border-gold-subtle: rgba(200, 162, 97, 0.2);
  --border-white-subtle: rgba(255, 255, 255, 0.12);
  --shadow-luxury: 0 20px 45px -15px rgba(11, 37, 30, 0.25);
  --shadow-elevated: 0 25px 60px -15px rgba(0, 0, 0, 0.45);

  /* Tipografia */
  --font-display: 'Cinzel', serif;
  --font-editorial: 'Playfair Display', Georgia, serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Transições */
  --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--color-linen-light);
  color: var(--color-text-dark);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
}

/* Tipografia Base */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-forest-deep);
  letter-spacing: 0.02em;
  line-height: 1.25;
}

p {
  color: var(--color-text-muted);
  font-weight: 400;
}

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

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

/* Classes Utilitárias */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 10;
}

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

.font-editorial {
  font-family: var(--font-editorial);
  font-style: italic;
  font-weight: 500;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background: rgba(200, 162, 97, 0.12);
  border: 1px solid var(--border-gold-subtle);
  border-radius: 999px;
  color: var(--color-gold-accent);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}

.section-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-gold-accent);
  box-shadow: 0 0 8px var(--color-gold-accent);
}

/* ==========================================================================
   TOP BAR ARQUITETÔNICA & HEADER
   ========================================================================== */
.top-bar {
  background-color: var(--color-charcoal);
  color: rgba(245, 244, 239, 0.85);
  font-size: 0.82rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.top-bar-info {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.top-bar-info span {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.top-bar-badge {
  color: var(--color-gold-accent);
  font-weight: 600;
  letter-spacing: 0.04em;
}

/* Header Principal */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(11, 37, 30, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(200, 162, 97, 0.15);
  transition: var(--transition-smooth);
}

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 84px;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-monogram {
  width: 44px;
  height: 44px;
  border: 1.5px solid var(--color-gold-accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold-accent);
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  background: radial-gradient(circle at 50% 50%, rgba(200, 162, 97, 0.18), transparent);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.1;
}

.brand-tagline {
  color: var(--color-gold-accent);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 500;
}

/* Navegação Desktop */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.92rem;
  font-weight: 500;
  position: relative;
  padding: 0.4rem 0;
}

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

.nav-link:hover {
  color: #fff;
}

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

/* Botões do Sistema */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: var(--transition-smooth);
  text-align: center;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, #c8a261 0%, #a9803d 100%);
  color: #0b251e;
  box-shadow: 0 8px 20px rgba(200, 162, 97, 0.3);
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(200, 162, 97, 0.45);
  filter: brightness(1.05);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border: 1px solid var(--border-gold-subtle);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(200, 162, 97, 0.15);
  border-color: var(--color-gold-accent);
  color: var(--color-gold-accent);
  transform: translateY(-2px);
}

.btn-brick {
  background: linear-gradient(135deg, var(--color-brick-main) 0%, var(--color-brick-dark) 100%);
  color: #fff;
  box-shadow: 0 8px 20px rgba(158, 74, 51, 0.35);
}

.btn-brick:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(158, 74, 51, 0.5);
  filter: brightness(1.1);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  width: 26px;
  height: 2px;
  background-color: var(--color-gold-accent);
  transition: var(--transition-fast);
}

/* ==========================================================================
   HERO SECTION COM 3D & PARALLAX BOTÂNICO
   ========================================================================== */
.hero-section {
  position: relative;
  background: linear-gradient(160deg, #0b251e 0%, #11362b 50%, #1b4538 100%);
  color: #fff;
  padding: 4rem 0 6rem;
  overflow: hidden;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

/* Textura de Tijolo com Overlay no Fundo do Hero */
.hero-brick-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../assets/images/brick-wall-pattern.svg');
  background-size: 550px 370px;
  background-repeat: repeat;
  opacity: 0.12;
  mix-blend-mode: overlay;
  pointer-events: none;
}

/* Vinheta de luz central */
.hero-glow {
  position: absolute;
  top: 20%;
  right: 15%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 162, 97, 0.18) 0%, rgba(35, 84, 70, 0.12) 50%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 3.5rem;
  align-items: center;
  position: relative;
  z-index: 10;
}

.hero-content {
  max-width: 580px;
}

.hero-title {
  font-size: 3.1rem;
  color: #fff;
  line-height: 1.18;
  margin-bottom: 1.5rem;
  font-weight: 700;
}

.hero-title .highlight {
  background: linear-gradient(135deg, #c8a261 0%, #ffd98f 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.1rem;
  color: rgba(245, 244, 239, 0.85);
  margin-bottom: 2.2rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-stat-item h3 {
  color: var(--color-gold-accent);
  font-size: 1.85rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.hero-stat-item p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.82rem;
  line-height: 1.35;
}

/* Container do Three.js */
.hero-3d-wrapper {
  position: relative;
  background: radial-gradient(circle at center, rgba(35, 84, 70, 0.4) 0%, rgba(11, 37, 30, 0.8) 80%);
  border: 1px solid var(--border-gold-subtle);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-elevated);
}

#threejs-canvas-container {
  width: 100%;
  height: 520px;
  cursor: grab;
}

#threejs-canvas-container:active {
  cursor: grabbing;
}

/* Barra de Controles da Maquete 3D */
.controls-3d-bar {
  position: absolute;
  bottom: 1.2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(18, 33, 28, 0.88);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(200, 162, 97, 0.25);
  border-radius: 999px;
  padding: 0.4rem 0.6rem;
  z-index: 20;
}

.btn-3d-ctrl {
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.75);
  padding: 0.45rem 0.95rem;
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: 999px;
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-3d-ctrl:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.btn-3d-ctrl.active {
  background: var(--color-gold-accent);
  color: var(--color-forest-deep);
}

.hint-3d-touch {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  background: rgba(18, 33, 28, 0.8);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  color: var(--color-gold-accent);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  pointer-events: none;
}

/* ==========================================================================
   TICKER DE CERTIFICAÇÕES & MATERIAIS
   ========================================================================== */
.ticker-section {
  background-color: #081a15;
  border-bottom: 1px solid rgba(200, 162, 97, 0.15);
  padding: 1.2rem 0;
  overflow: hidden;
  white-space: nowrap;
}

.ticker-track {
  display: inline-flex;
  gap: 3rem;
  animation: tickerSlide 28s linear infinite;
}

.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  color: rgba(245, 244, 239, 0.75);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.ticker-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--color-gold-accent);
}

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

/* ==========================================================================
   SEÇÃO MANIFESTO & TIJOLO APARENTE (ALMA DO ATELIER)
   ========================================================================== */
.manifesto-section {
  position: relative;
  padding: 7rem 0;
  background: var(--color-linen-light);
  overflow: hidden;
}

.manifesto-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.manifesto-brick-card {
  position: relative;
  z-index: 10;
  background-color: #fff;
  border-radius: 20px;
  padding: 3rem;
  box-shadow: var(--shadow-luxury);
  border: 1px solid rgba(158, 74, 51, 0.15);
}

/* Textura sutil de tijolo na borda decorativa */
.brick-decorative-accent {
  width: 60px;
  height: 6px;
  background: linear-gradient(90deg, var(--color-brick-main), var(--color-gold-accent));
  border-radius: 3px;
  margin-bottom: 1.8rem;
}

.manifesto-quote {
  font-family: var(--font-editorial);
  font-size: 1.85rem;
  color: var(--color-forest-deep);
  line-height: 1.45;
  margin-bottom: 1.8rem;
}

.manifesto-author {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.author-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--color-forest-deep);
  color: var(--color-gold-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  border: 2px solid var(--color-gold-accent);
}

.author-info h4 {
  font-size: 1.05rem;
  margin-bottom: 0.15rem;
}

.author-info p {
  font-size: 0.82rem;
}

/* Seletor Interativo de Materiais Sustentáveis */
.materials-interactive-box {
  background: var(--color-card-dark);
  color: #fff;
  border-radius: 20px;
  padding: 2.5rem;
  border: 1px solid var(--border-gold-subtle);
  box-shadow: var(--shadow-elevated);
}

.materials-interactive-box h3 {
  color: #fff;
  font-size: 1.5rem;
  margin-bottom: 0.6rem;
}

.materials-interactive-box p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.92rem;
  margin-bottom: 1.8rem;
}

.material-buttons-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.mat-selector-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #fff;
  padding: 0.8rem 1rem;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: var(--transition-fast);
}

.mat-selector-btn:hover {
  background: rgba(200, 162, 97, 0.15);
  border-color: var(--color-gold-accent);
}

.mat-selector-btn.active {
  background: linear-gradient(135deg, var(--color-brick-main) 0%, var(--color-brick-dark) 100%);
  border-color: var(--color-gold-accent);
  color: #fff;
  box-shadow: 0 4px 14px rgba(158, 74, 51, 0.4);
}

.material-detail-card {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(200, 162, 97, 0.2);
  border-radius: 12px;
  padding: 1.5rem;
}

.material-detail-card h4 {
  color: var(--color-gold-accent);
  font-size: 1.15rem;
  margin-bottom: 0.8rem;
}

.material-detail-item {
  margin-bottom: 0.7rem;
  font-size: 0.88rem;
  line-height: 1.45;
}

.material-detail-item strong {
  color: #fff;
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.15rem;
}

/* ==========================================================================
   BENTO GRID DE SOLUÇÕES & ÁREAS BIOCLIMÁTICAS
   ========================================================================== */
.solutions-section {
  padding: 7rem 0;
  background-color: #f3efe6;
  position: relative;
}

.section-header-center {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 4rem;
}

.section-title {
  font-size: 2.6rem;
  margin-bottom: 1rem;
}

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

.bento-grid-architectural {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.8rem;
}

.bento-item {
  background: #fff;
  border-radius: 20px;
  padding: 2.4rem;
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: var(--shadow-luxury);
  transition: var(--transition-smooth);
  position: relative;
  z-index: 10;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.bento-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 60px -15px rgba(11, 37, 30, 0.18);
  border-color: rgba(200, 162, 97, 0.4);
}

.bento-col-8 { grid-column: span 8; }
.bento-col-4 { grid-column: span 4; }
.bento-col-6 { grid-column: span 6; }

.bento-icon-box {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: rgba(35, 84, 70, 0.1);
  color: var(--color-forest-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.6rem;
}

.bento-icon-box svg {
  width: 28px;
  height: 28px;
}

.bento-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 800;
  color: rgba(0, 0, 0, 0.04);
  position: absolute;
  top: 1.5rem;
  right: 1.8rem;
  line-height: 1;
  pointer-events: none;
}

.bento-item h3 {
  font-size: 1.45rem;
  margin-bottom: 0.8rem;
}

.bento-item p {
  font-size: 0.95rem;
  line-height: 1.6;
}

.bento-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.bento-tag {
  background: var(--color-linen-light);
  border: 1px solid rgba(0, 0, 0, 0.06);
  padding: 0.25rem 0.75rem;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-forest-deep);
}

/* ==========================================================================
   MOSTRA DE PROJETOS & SLIDER ANTES E DEPOIS
   ========================================================================== */
.projects-section {
  padding: 7rem 0;
  background: linear-gradient(180deg, #12211c 0%, #0b1a15 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.projects-section .section-title {
  color: #fff;
}

.projects-section .section-subtitle {
  color: rgba(245, 244, 239, 0.75);
}

.project-filters {
  display: flex;
  justify-content: center;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.project-filter-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.8);
  padding: 0.6rem 1.4rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.project-filter-btn:hover,
.project-filter-btn.active {
  background: var(--color-gold-accent);
  color: var(--color-forest-deep);
  border-color: var(--color-gold-accent);
}

.projects-showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 5rem;
}

/* Card com Tilt 3D */
.project-card {
  background: #182c25;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(200, 162, 97, 0.18);
  box-shadow: var(--shadow-elevated);
  transition: transform 0.15s ease-out, box-shadow 0.3s ease;
  position: relative;
  transform-style: preserve-3d;
}

.tilt-glare {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 10;
  border-radius: 18px;
}

.project-thumb {
  position: relative;
  height: 260px;
  overflow: hidden;
  background-color: #243d34;
}

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

.project-card:hover .project-thumb img {
  transform: scale(1.08);
}

.project-badge-tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(11, 37, 30, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-gold-subtle);
  color: var(--color-gold-accent);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.3rem 0.7rem;
  border-radius: 6px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.project-info {
  padding: 1.8rem;
}

.project-category {
  color: var(--color-sage-soft);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}

.project-title {
  color: #fff;
  font-size: 1.35rem;
  margin-bottom: 0.8rem;
  line-height: 1.3;
}

.project-excerpt {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.88rem;
  line-height: 1.55;
  margin-bottom: 1.5rem;
}

.project-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-view-project {
  color: var(--color-gold-accent);
  font-size: 0.88rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  background: transparent;
  border: none;
}

.btn-view-project:hover {
  color: #fff;
  transform: translateX(3px);
}

/* ==========================================================================
   SLIDER INTERATIVO ANTES & DEPOIS (RETROFIT)
   ========================================================================== */
.before-after-box {
  background: #182c25;
  border: 1px solid var(--border-gold-subtle);
  border-radius: 24px;
  padding: 3rem;
  box-shadow: var(--shadow-elevated);
}

.before-after-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 2.5rem;
}

.before-after-header h3 {
  color: #fff;
  font-size: 2rem;
  margin-bottom: 0.6rem;
}

.before-after-header p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.95rem;
}

.ba-slider-container {
  position: relative;
  width: 100%;
  max-width: 960px;
  height: 500px;
  margin: 0 auto;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-luxury);
  user-select: none;
  cursor: ew-resize;
}

.ba-image-before,
.ba-image-after {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.ba-image-before img,
.ba-image-after img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.ba-image-after {
  clip-path: polygon(50% 0%, 100% 0%, 100% 100%, 50% 100%);
}

.ba-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 4px;
  background-color: var(--color-gold-accent);
  transform: translateX(-50%);
  cursor: ew-resize;
  z-index: 20;
}

.ba-handle-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-gold-accent);
  color: var(--color-forest-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.ba-label-before,
.ba-label-after {
  position: absolute;
  bottom: 1.5rem;
  background: rgba(11, 37, 30, 0.85);
  backdrop-filter: blur(8px);
  color: #fff;
  padding: 0.4rem 0.9rem;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  pointer-events: none;
  z-index: 10;
}

.ba-label-before {
  left: 1.5rem;
  border: 1px solid rgba(230, 126, 34, 0.4);
  color: #e67e22;
}

.ba-label-after {
  right: 1.5rem;
  border: 1px solid var(--border-gold-subtle);
  color: var(--color-gold-accent);
}

/* ==========================================================================
   SIMULADOR / ESTIMADOR DE PROJETO BIOCLIMÁTICO
   ========================================================================== */
.estimator-section {
  padding: 7rem 0;
  background-color: var(--color-linen-light);
  position: relative;
}

.estimator-card {
  background: #fff;
  border-radius: 24px;
  box-shadow: var(--shadow-luxury);
  border: 1px solid rgba(0, 0, 0, 0.08);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
}

.estimator-form-col {
  padding: 3.5rem;
}

.estimator-form-col h3 {
  font-size: 1.85rem;
  margin-bottom: 0.6rem;
}

.estimator-form-col p {
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

.form-group-est {
  margin-bottom: 1.8rem;
}

.form-group-est label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-forest-deep);
  margin-bottom: 0.6rem;
}

.select-est {
  width: 100%;
  padding: 0.85rem 1.2rem;
  border-radius: 10px;
  border: 1.5px solid rgba(0, 0, 0, 0.12);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background-color: #fff;
  color: var(--color-text-dark);
  cursor: pointer;
  transition: var(--transition-fast);
}

.select-est:focus {
  outline: none;
  border-color: var(--color-forest-deep);
  box-shadow: 0 0 0 3px rgba(35, 84, 70, 0.12);
}

.range-est-wrapper {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.range-est {
  flex: 1;
  accent-color: var(--color-forest-deep);
  cursor: pointer;
}

.range-display-badge {
  background: var(--color-forest-deep);
  color: var(--color-gold-accent);
  font-weight: 700;
  padding: 0.4rem 1rem;
  border-radius: 8px;
  font-size: 0.95rem;
  min-width: 90px;
  text-align: center;
}

.checkboxes-est-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}

.est-checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  background: var(--color-linen-light);
  transition: var(--transition-fast);
}

.est-checkbox-label:hover {
  background: #fff;
  border-color: var(--color-forest-mid);
}

.est-checkbox-label input {
  accent-color: var(--color-forest-deep);
  width: 17px;
  height: 17px;
}

/* Coluna de Resultados / Score */
.estimator-results-col {
  background: linear-gradient(150deg, #112a22 0%, #081a15 100%);
  color: #fff;
  padding: 3.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-left: 1px solid rgba(200, 162, 97, 0.2);
}

.results-col-header h4 {
  color: var(--color-gold-accent);
  font-size: 1.25rem;
  margin-bottom: 0.4rem;
}

.results-col-header p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
}

.results-metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin: 2.2rem 0;
}

.res-metric-item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.2rem;
  border-radius: 12px;
}

.res-metric-item span {
  display: block;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.3rem;
}

.res-metric-item h5 {
  font-size: 1.8rem;
  color: var(--color-gold-accent);
  font-weight: 700;
  line-height: 1;
}

.cert-banner {
  background: rgba(200, 162, 97, 0.15);
  border: 1px solid var(--border-gold-subtle);
  border-radius: 10px;
  padding: 0.9rem 1.2rem;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.cert-banner strong {
  color: #fff;
  font-size: 0.88rem;
}

.cert-banner span {
  color: var(--color-gold-accent);
  font-weight: 700;
  font-size: 0.88rem;
}

.results-actions {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

/* ==========================================================================
   PERGUNTAS FREQUENTES (FAQ)
   ========================================================================== */
.faq-section {
  padding: 7rem 0;
  background-color: #f3efe6;
}

.faq-wrapper {
  max-width: 840px;
  margin: 0 auto;
}

.faq-item {
  background: #fff;
  border-radius: 14px;
  margin-bottom: 1rem;
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
  overflow: hidden;
  transition: var(--transition-smooth);
}

.faq-question {
  width: 100%;
  padding: 1.5rem 1.8rem;
  background: transparent;
  border: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-forest-deep);
  cursor: pointer;
  text-align: left;
}

.faq-toggle-icon {
  width: 34px;
  height: 34px;
  min-width: 34px;
  border-radius: 50%;
  background: var(--color-forest-deep);
  color: var(--color-gold-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 1rem;
  flex-shrink: 0;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.25s ease, color 0.25s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.12);
}

.faq-toggle-icon svg {
  width: 16px;
  height: 16px;
  display: block;
  stroke: currentColor;
  stroke-width: 2.5;
  stroke-linecap: round;
  margin: 0;
  padding: 0;
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(45deg);
  background: var(--color-gold-accent);
  color: var(--color-forest-deep);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out;
}

.faq-answer-inner {
  padding: 0 1.8rem 1.6rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  border-top: 1px solid rgba(0, 0, 0, 0.04);
  padding-top: 1.2rem;
}

/* ==========================================================================
   RODAPÉ ARQUITETÔNICO COM ASSINATURA TCSP SITES
   ========================================================================== */
.site-footer {
  background: #081410;
  color: rgba(245, 244, 239, 0.8);
  padding: 5rem 0 2rem;
  border-top: 1px solid rgba(200, 162, 97, 0.15);
  position: relative;
  overflow: hidden;
}

.footer-brick-pattern {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../assets/images/brick-wall-pattern.svg');
  opacity: 0.05;
  pointer-events: none;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3.5rem;
  margin-bottom: 4rem;
  position: relative;
  z-index: 5;
}

.footer-brand h3 {
  color: #fff;
  font-size: 1.4rem;
  margin-bottom: 0.8rem;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.footer-col h4 {
  color: var(--color-gold-accent);
  font-size: 1.05rem;
  margin-bottom: 1.4rem;
  font-family: var(--font-display);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.7rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.88rem;
  transition: var(--transition-fast);
}

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

.footer-contact-info p {
  margin-bottom: 0.8rem;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.7);
  display: flex;
  gap: 0.6rem;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  position: relative;
  z-index: 5;
}

.footer-copy {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
}

/* Badge de Assinatura TCSP Sites */
.tcsp-signature-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(200, 162, 97, 0.25);
  padding: 0.45rem 1rem;
  border-radius: 999px;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition-fast);
}

.tcsp-signature-badge:hover {
  background: rgba(200, 162, 97, 0.15);
  border-color: var(--color-gold-accent);
  color: #fff;
  transform: translateY(-2px);
}

.tcsp-signature-badge strong {
  color: var(--color-gold-accent);
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* ==========================================================================
   MODAIS (AGENDAMENTO & DETALHES DE PROJETOS)
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background: #fff;
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: 20px;
  padding: 2.8rem;
  position: relative;
  box-shadow: var(--shadow-elevated);
  transform: scale(0.95);
  transition: var(--transition-smooth);
}

.modal-backdrop.active .modal-card {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--color-linen-light);
  border: none;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-forest-deep);
  transition: var(--transition-fast);
}

.modal-close-btn:hover {
  background: var(--color-forest-deep);
  color: #fff;
}

.modal-header {
  margin-bottom: 2rem;
}

.modal-header h3 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.modal-header p {
  font-size: 0.95rem;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.form-control-modal {
  width: 100%;
  padding: 0.85rem 1.1rem;
  border: 1.5px solid rgba(0, 0, 0, 0.12);
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  margin-bottom: 1rem;
  transition: var(--transition-fast);
}

.form-control-modal:focus {
  outline: none;
  border-color: var(--color-forest-deep);
  box-shadow: 0 0 0 3px rgba(35, 84, 70, 0.12);
}

textarea.form-control-modal {
  min-height: 100px;
  resize: vertical;
}

.modal-success-box {
  display: none;
  text-align: center;
  padding: 2rem 1rem;
}

.modal-success-box h4 {
  font-size: 1.6rem;
  color: var(--color-forest-deep);
  margin-bottom: 0.8rem;
}