/* ==========================================================================
   ATELIÊ LINHA CASA - High-End Interior Store Redesign Stylesheet
   Theme: Dark Architectural & Warm Luxury Walnut / Brushed Brass
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-dark: #121212;
  --bg-dark-card: #1C1B19;
  --bg-dark-secondary: #181715;
  --bg-light: #F4F1EA;
  --bg-light-secondary: #EBE6DC;
  --bg-white: #FFFFFF;

  /* Accents */
  --accent-gold: #C8A97E;
  --accent-gold-hover: #B5956A;
  --accent-wood: #8C6D58;
  --accent-wood-dark: #5C4535;
  --text-dark: #1A1A1A;
  --text-muted-dark: #666666;
  --text-light: #F4F1EA;
  --text-muted-light: #AAAAAA;
  
  --whatsapp-green: #25D366;
  --whatsapp-hover: #20BA5A;

  /* Borders & Glassmorphism */
  --border-dark: rgba(200, 169, 126, 0.2);
  --border-light: rgba(26, 26, 26, 0.12);
  --glass-header: rgba(18, 18, 18, 0.88);

  /* Typography */
  --font-serif: 'DM Serif Display', Georgia, serif;
  --font-sans: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Spacing & Radii */
  --container-max: 1320px;
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 20px;

  /* Shadows */
  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.06);
  --shadow-medium: 0 12px 36px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 0 30px rgba(200, 169, 126, 0.25);
}

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

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

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

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

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.3s ease;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: none;
}

button {
  cursor: pointer;
}

ul, ol {
  list-style: none;
}

/* Headings */
h1, h2, h3, h4, .font-serif {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.15;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (min-width: 768px) {
  .container {
    padding: 0 2.5rem;
  }
}

section {
  padding: 5.5rem 0;
  position: relative;
}

@media (min-width: 992px) {
  section {
    padding: 7.5rem 0;
  }
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--accent-gold);
  margin-bottom: 1rem;
}

.section-tag::before {
  content: '';
  width: 18px;
  height: 1px;
  background-color: var(--accent-gold);
}

.section-header {
  margin-bottom: 3.5rem;
}

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

.section-header.text-center .section-tag {
  justify-content: center;
}

.section-header.text-center .section-tag::after {
  content: '';
  width: 18px;
  height: 1px;
  background-color: var(--accent-gold);
}

.section-title {
  font-size: 2.25rem;
  letter-spacing: -0.01em;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 3rem;
  }
}

@media (min-width: 1024px) {
  .section-title {
    font-size: 3.5rem;
  }
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted-light);
  max-width: 680px;
  margin-top: 1rem;
  font-weight: 300;
}

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

/* Light Section Modifier */
.light-section {
  background-color: var(--bg-light);
  color: var(--text-dark);
}

.light-section .section-title {
  color: var(--text-dark);
}

.light-section .section-subtitle {
  color: var(--text-muted-dark);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1.1rem 2.25rem;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
  white-space: nowrap;
}

.btn-gold {
  background-color: var(--accent-gold);
  color: var(--bg-dark);
  box-shadow: 0 6px 20px rgba(200, 169, 126, 0.3);
}

.btn-gold:hover {
  background-color: var(--accent-gold-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(200, 169, 126, 0.45);
}

.btn-outline-gold {
  background-color: transparent;
  color: var(--accent-gold);
  border: 1px solid var(--accent-gold);
}

.btn-outline-gold:hover {
  background-color: var(--accent-gold);
  color: var(--bg-dark);
  transform: translateY(-2px);
}

.btn-dark {
  background-color: var(--text-dark);
  color: var(--text-light);
}

.btn-dark:hover {
  background-color: var(--accent-wood-dark);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background-color: var(--whatsapp-green);
  color: #FFFFFF;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover {
  background-color: var(--whatsapp-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(37, 211, 102, 0.5);
}

.btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  transition: transform 0.3s ease;
}

.btn:hover svg {
  transform: translateX(4px);
}

/* ==========================================================================
   TOP ANNOUNCEMENT BAR & HEADER
   ========================================================================== */
.top-bar {
  background-color: #0A0A0A;
  color: var(--accent-gold);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(200, 169, 126, 0.15);
  font-weight: 600;
}

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

.top-bar-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.top-bar-right {
  display: none;
}

@media (min-width: 768px) {
  .top-bar-right {
    display: flex;
    gap: 1.5rem;
  }
}

/* Site Header */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: 85px;
  z-index: 1000;
  background-color: var(--glass-header);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-dark);
  transition: all 0.3s ease;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo-main {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  letter-spacing: 0.15em;
  color: var(--text-light);
  text-transform: uppercase;
}

.logo-sub {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.35em;
  color: var(--accent-gold);
  text-transform: uppercase;
  margin-top: 3px;
}

.nav-menu {
  display: none;
}

@media (min-width: 992px) {
  .nav-menu {
    display: flex;
    align-items: center;
    gap: 2.25rem;
  }

  .nav-link {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-light);
    position: relative;
    padding: 0.5rem 0;
  }

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

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

.header-cta {
  display: none;
}

@media (min-width: 768px) {
  .header-cta {
    display: inline-flex;
    padding: 0.75rem 1.5rem;
    font-size: 0.75rem;
  }
}

/* Mobile Hamburger Toggle */
.hamburger-toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1002;
}

@media (min-width: 992px) {
  .hamburger-toggle {
    display: none;
  }
}

.hamburger-line {
  width: 100%;
  height: 2px;
  background-color: var(--accent-gold);
  transition: all 0.3s ease;
}

.hamburger-toggle.active .hamburger-line:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.hamburger-toggle.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.hamburger-toggle.active .hamburger-line:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* Mobile Navigation Overlay */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 380px;
  height: 100vh;
  background-color: var(--bg-dark-card);
  z-index: 1001;
  padding: 6rem 2.5rem 3rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-left: 1px solid var(--border-dark);
  transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-nav.active {
  right: 0;
}

.mobile-nav-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

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

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.mobile-nav-link {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  color: var(--text-light);
}

.mobile-nav-link:hover {
  color: var(--accent-gold);
}

/* ==========================================================================
   2. HERO SECTION - ASYMMETRICAL ARCHITECTURAL SHOWCASE SPLIT
   ========================================================================== */
.hero-section {
  position: relative;
  background-color: var(--bg-dark);
  padding: 3rem 0 0;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
  }
}

/* Left Showcase Frame */
.hero-showcase-box {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-dark);
  aspect-ratio: 16 / 11;
  background-color: var(--bg-dark-card);
}

.hero-showcase-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.5s ease, transform 0.8s ease;
}

.hero-showcase-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(18,18,18,0.15) 0%, rgba(18,18,18,0.85) 100%);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.75rem;
}

.hero-showcase-tag {
  align-self: flex-start;
  background-color: rgba(18, 18, 18, 0.85);
  backdrop-filter: blur(8px);
  color: var(--accent-gold);
  padding: 0.4rem 1.1rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-dark);
}

.hero-showcase-bottom {
  background-color: rgba(28, 27, 25, 0.92);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-dark);
  padding: 1.25rem 1.75rem;
  border-radius: var(--radius-md);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.hero-showcase-meta h4 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--text-light);
}

.hero-showcase-meta p {
  font-size: 0.8125rem;
  color: var(--text-muted-light);
  margin-top: 0.2rem;
}

.hero-showcase-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 0.4rem 0.9rem;
  background-color: rgba(200, 169, 126, 0.12);
  border-radius: var(--radius-sm);
}

/* Right Content Panel (Warm Sand Card Aesthetic) */
.hero-panel {
  background-color: var(--bg-light);
  color: var(--text-dark);
  padding: 3rem 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-medium);
  border: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--accent-wood);
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: 2.75rem;
  line-height: 1.1;
  color: var(--text-dark);
  margin-bottom: 1.25rem;
}

@media (min-width: 1200px) {
  .hero-title {
    font-size: 3.25rem;
  }
}

.hero-title span {
  color: var(--accent-wood);
  font-style: italic;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted-dark);
  margin-bottom: 2rem;
  line-height: 1.7;
  font-weight: 400;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

/* Interactive Room Thumbnails Strip inside Hero Panel */
.hero-thumbnails-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted-dark);
  margin-bottom: 0.75rem;
}

.hero-thumbnails-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.hero-thumb-btn {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  border: 2px solid transparent;
  transition: all 0.3s ease;
  cursor: pointer;
}

.hero-thumb-btn img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-thumb-btn span {
  position: absolute;
  bottom: 0;
  inset-x: 0;
  background: rgba(18, 18, 18, 0.8);
  color: #FFFFFF;
  font-size: 0.6875rem;
  font-weight: 700;
  text-align: center;
  padding: 0.25rem 0.1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-thumb-btn:hover {
  transform: translateY(-2px);
}

.hero-thumb-btn.active {
  border-color: var(--accent-wood);
  box-shadow: 0 4px 14px rgba(140, 109, 88, 0.4);
}

.hero-note {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--text-muted-dark);
  padding-top: 1.25rem;
  border-top: 1px dashed rgba(26, 26, 26, 0.15);
}

/* Hero Bottom Metric Ticker */
.hero-metrics-bar {
  position: relative;
  z-index: 3;
  width: 100%;
  background-color: var(--bg-dark-card);
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
  padding: 1.25rem 0;
}

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

@media (min-width: 768px) {
  .hero-metrics-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.hero-metric-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-light);
}

.hero-metric-icon {
  color: var(--accent-gold);
  font-size: 1.1rem;
}

/* ==========================================================================
   INTERACTIVE ROOM CUSTOMIZER WIDGET ("Monte Seu Projeto")
   ========================================================================== */
.customizer-section {
  background-color: var(--bg-dark-secondary);
  border-bottom: 1px solid var(--border-dark);
}

.customizer-card {
  background-color: var(--bg-dark-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 3rem 2rem;
  box-shadow: var(--shadow-medium);
}

@media (min-width: 768px) {
  .customizer-card {
    padding: 4rem 3.5rem;
  }
}

.customizer-steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

@media (min-width: 992px) {
  .customizer-steps-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}

.customizer-step-col h4 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--accent-gold);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.customizer-options-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.customizer-option-btn {
  width: 100%;
  text-align: left;
  padding: 1rem 1.25rem;
  background-color: rgba(244, 241, 234, 0.04);
  border: 1px solid rgba(200, 169, 126, 0.15);
  border-radius: var(--radius-sm);
  color: var(--text-light);
  font-size: 0.9375rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.25s ease;
}

.customizer-option-btn:hover {
  border-color: var(--accent-gold);
  background-color: rgba(200, 169, 126, 0.08);
}

.customizer-option-btn.selected {
  border-color: var(--accent-gold);
  background-color: var(--accent-gold);
  color: var(--bg-dark);
  font-weight: 700;
}

.customizer-summary-box {
  background-color: rgba(200, 169, 126, 0.06);
  border: 1px dashed var(--accent-gold);
  border-radius: var(--radius-sm);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
  text-align: center;
}

@media (min-width: 768px) {
  .customizer-summary-box {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.customizer-summary-text h5 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--text-light);
}

.customizer-summary-text p {
  font-size: 0.9375rem;
  color: var(--text-muted-light);
  margin-top: 0.25rem;
}

/* ==========================================================================
   SOBRE & CONCEITO (EDITORIAL SPLIT)
   ========================================================================== */
.about-section {
  background-color: var(--bg-dark);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
  align-items: center;
}

@media (min-width: 992px) {
  .about-grid {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.about-content p {
  font-size: 1.0625rem;
  color: var(--text-muted-light);
  line-height: 1.85;
  margin-bottom: 1.5rem;
  font-weight: 300;
}

.about-content p:first-of-type::first-letter {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  float: left;
  line-height: 0.8;
  padding-right: 0.75rem;
  color: var(--accent-gold);
}

.about-images-composition {
  position: relative;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
}

.about-img-main {
  grid-column: 1 / span 10;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-medium);
  border: 1px solid var(--border-dark);
}

.about-img-secondary {
  grid-column: 4 / span 9;
  margin-top: -35%;
  position: relative;
  z-index: 2;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-glow);
  border: 3px solid var(--bg-dark);
}

/* ==========================================================================
   SHOWROOM CATALOG (AMBIENTES)
   ========================================================================== */
.environments-section {
  background-color: var(--bg-light);
  color: var(--text-dark);
}

.environments-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 640px) {
  .environments-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .environments-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.25rem;
  }
}

.environment-card {
  background-color: var(--bg-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
  border: 1px solid var(--border-light);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  display: flex;
  flex-direction: column;
}

.environment-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-medium);
}

.environment-image-box {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

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

.environment-card:hover .environment-image {
  transform: scale(1.06);
}

.environment-tag {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  background-color: var(--text-dark);
  color: var(--accent-gold);
  padding: 0.35rem 0.85rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
}

.environment-content {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.environment-title {
  font-size: 1.65rem;
  color: var(--text-dark);
  margin-bottom: 0.75rem;
}

.environment-desc {
  font-size: 0.9375rem;
  color: var(--text-muted-dark);
  line-height: 1.65;
  margin-bottom: 1.75rem;
  flex-grow: 1;
}

.environment-link {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-wood);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.environment-link svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
  transition: transform 0.3s ease;
}

.environment-card:hover .environment-link svg {
  transform: translateX(6px);
}

/* ==========================================================================
   PROJETOS EM DESTAQUE WITH HOTSPOT PINS & MODAL
   ========================================================================== */
.projects-section {
  background-color: var(--bg-dark-secondary);
}

.projects-notice {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--text-muted-light);
  font-style: italic;
  margin-top: 3.5rem;
}

.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 640px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .projects-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.25rem;
  }
}

.project-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
  aspect-ratio: 4 / 3;
  cursor: pointer;
  border: 1px solid var(--border-dark);
}

.project-card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.project-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(18,18,18,0.1) 0%, rgba(18,18,18,0.9) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  transition: opacity 0.3s ease;
}

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

.project-category {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent-gold);
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.project-name {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  color: var(--text-light);
}

.project-action-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--accent-gold);
  margin-top: 1rem;
  font-weight: 600;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s ease;
}

.project-card:hover .project-action-indicator {
  opacity: 1;
  transform: translateY(0);
}

/* Modal Lightbox */
.project-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

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

.project-modal-backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(10, 10, 10, 0.88);
  backdrop-filter: blur(8px);
}

.project-modal-content {
  position: relative;
  background-color: var(--bg-dark-card);
  color: var(--text-light);
  border: 1px solid var(--border-dark);
  width: 100%;
  max-width: 960px;
  max-height: 90vh;
  border-radius: var(--radius-md);
  overflow-y: auto;
  z-index: 2001;
  box-shadow: var(--shadow-glow);
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 850px) {
  .project-modal-content {
    grid-template-columns: 1.1fr 1fr;
  }
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 40px;
  height: 40px;
  background-color: var(--bg-dark);
  color: var(--text-light);
  border: 1px solid var(--border-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2005;
  transition: all 0.3s ease;
}

.modal-close-btn:hover {
  background-color: var(--accent-gold);
  color: var(--bg-dark);
  transform: rotate(90deg);
}

.modal-image-box {
  width: 100%;
  height: 100%;
  min-height: 320px;
}

.modal-image-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.modal-info-box {
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.modal-tag {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent-gold);
  text-transform: uppercase;
}

.modal-title {
  font-size: 2.25rem;
  color: var(--text-light);
  margin: 0.35rem 0 1.25rem;
}

.modal-description {
  font-size: 0.9375rem;
  color: var(--text-muted-light);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.modal-specs {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.25rem;
  background-color: var(--bg-dark);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  margin-bottom: 2rem;
}

.modal-spec-item {
  font-size: 0.875rem;
  display: flex;
  justify-content: space-between;
  border-bottom: 1px dashed rgba(200, 169, 126, 0.2);
  padding-bottom: 0.5rem;
}

.modal-spec-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.modal-spec-label {
  font-weight: 600;
  color: var(--accent-gold);
}

.modal-spec-value {
  color: var(--text-muted-light);
}

/* ==========================================================================
   MATERIALS & FINISHES SWATCH SHOWCASE
   ========================================================================== */
.swatches-section {
  background-color: var(--bg-dark);
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
}

.swatches-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .swatches-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.swatch-card {
  background-color: var(--bg-dark-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all 0.3s ease;
}

.swatch-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-gold);
  box-shadow: var(--shadow-glow);
}

.swatch-preview {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  margin: 0 auto 1.25rem;
  border: 3px solid var(--border-dark);
  box-shadow: var(--shadow-medium);
}

.swatch-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--text-light);
  margin-bottom: 0.35rem;
}

.swatch-desc {
  font-size: 0.8125rem;
  color: var(--text-muted-light);
}

/* ==========================================================================
   DIFERENCIAIS (DIFFERENTIALS)
   ========================================================================== */
.differentials-section {
  background-color: var(--bg-dark-secondary);
}

.differentials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 640px) {
  .differentials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .differentials-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
  }
}

.differential-card {
  background-color: var(--bg-dark-card);
  padding: 2.25rem 1.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-dark);
  transition: all 0.3s ease;
}

.differential-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-gold);
}

.differential-number {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: var(--accent-gold);
  line-height: 1;
  margin-bottom: 1.25rem;
}

.differential-title {
  font-size: 1.2rem;
  color: var(--text-light);
  margin-bottom: 0.75rem;
}

.differential-desc {
  font-size: 0.875rem;
  color: var(--text-muted-light);
  line-height: 1.65;
}

/* ==========================================================================
   PROCESSO (WORKFLOW)
   ========================================================================== */
.process-section {
  background-color: var(--bg-dark);
}

.process-timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  position: relative;
  margin-bottom: 4rem;
}

@media (min-width: 768px) {
  .process-timeline {
    grid-template-columns: repeat(5, 1fr);
    gap: 1.25rem;
  }

  .process-timeline::before {
    content: '';
    position: absolute;
    top: 28px;
    left: 10%;
    right: 10%;
    height: 1px;
    background-color: var(--border-dark);
    z-index: 1;
  }
}

.process-step {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.process-number-badge {
  width: 56px;
  height: 56px;
  background-color: var(--bg-dark-card);
  color: var(--accent-gold);
  border: 1px solid var(--accent-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  margin-bottom: 1.5rem;
  transition: all 0.3s ease;
}

.process-step:hover .process-number-badge {
  background-color: var(--accent-gold);
  color: var(--bg-dark);

}

.process-step-title {
  font-size: 1.2rem;
  color: var(--text-light);
  margin-bottom: 0.75rem;
}

.process-step-desc {
  font-size: 0.875rem;
  color: var(--text-muted-light);
  line-height: 1.6;
}

.process-cta-box {
  text-align: center;
  margin-top: 3rem;
}

/* ==========================================================================
   CTA SECTION (DARK LUXURY SHOWROOM BANNER)
   ========================================================================== */
.cta-section {
  background: radial-gradient(circle at center, #262420 0%, #121212 100%);
  color: var(--text-light);
  padding: 6.5rem 0;
  text-align: center;
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
}

.cta-container {
  max-width: 840px;
  margin: 0 auto;
}

.cta-title {
  font-size: 2.75rem;
  margin-bottom: 1.5rem;
  color: var(--text-light);
}

@media (min-width: 768px) {
  .cta-title {
    font-size: 3.75rem;
  }
}

.cta-desc {
  font-size: 1.15rem;
  color: var(--text-muted-light);
  margin-bottom: 2.75rem;
  font-weight: 300;
}

/* ==========================================================================
   DEPOIMENTOS (TESTIMONIALS)
   ========================================================================== */
.testimonials-section {
  background-color: var(--bg-dark-secondary);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem;
}

@media (min-width: 768px) {
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.testimonial-card {
  background-color: var(--bg-dark-card);
  padding: 2.5rem 2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-dark);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.testimonial-quote-icon {
  font-family: var(--font-serif);
  font-size: 4rem;
  color: var(--accent-gold);
  line-height: 1;
  opacity: 0.3;
  margin-bottom: -1.5rem;
}

.testimonial-text {
  font-size: 1rem;
  color: var(--text-light);
  font-style: italic;
  line-height: 1.7;
  margin-bottom: 2rem;
  font-weight: 300;
}

.testimonial-author {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-author::before {
  content: '';
  width: 24px;
  height: 1px;
  background-color: var(--accent-gold);
}

.testimonials-notice {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--text-muted-light);
  font-style: italic;
  margin-top: 3.5rem;
}

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

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

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.faq-item {
  background-color: var(--bg-dark-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item.active {
  border-color: var(--accent-gold);
}

.faq-button {
  width: 100%;
  padding: 1.5rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  text-align: left;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-light);
  transition: color 0.3s ease;
}

.faq-button:hover {
  color: var(--accent-gold);
}

.faq-icon {
  font-size: 1.25rem;
  color: var(--accent-gold);
  transition: transform 0.3s ease;
}

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

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-content-inner {
  padding: 0 1.75rem 1.5rem;
  font-size: 0.9375rem;
  color: var(--text-muted-light);
  line-height: 1.75;
  border-top: 1px dashed rgba(200, 169, 126, 0.15);
  padding-top: 1rem;
}

/* ==========================================================================
   CONTATO & SHOWROOM FORM
   ========================================================================== */
.contact-section {
  background-color: var(--bg-dark-secondary);
  border-top: 1px solid var(--border-dark);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
}

@media (min-width: 992px) {
  .contact-grid {
    grid-template-columns: 1fr 1.1fr;
  }
}

.contact-info-box {
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
}

.contact-detail-group h4 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--accent-gold);
  margin-bottom: 0.5rem;
}

.contact-detail-group p {
  font-size: 0.9375rem;
  color: var(--text-muted-light);
  line-height: 1.6;
}

.contact-social-links {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
}

.contact-social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-light);
  padding: 0.6rem 1.1rem;
  background-color: var(--bg-dark-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
}

.contact-social-link:hover {
  background-color: var(--accent-gold);
  color: var(--bg-dark);
}

.contact-map-wrapper {
  margin-top: 1rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-dark);
  height: 220px;
  background-color: var(--bg-dark-card);
}

.contact-map-mock {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at center, #25231F 0%, #141414 100%);
  text-align: center;
  padding: 1.5rem;
}

.map-pin-icon {
  width: 44px;
  height: 44px;
  background-color: var(--accent-gold);
  color: var(--bg-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
  font-size: 1.2rem;
  box-shadow: var(--shadow-glow);
}

.contact-form-box {
  background-color: var(--bg-dark-card);
  padding: 3rem 2.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-dark);
  box-shadow: var(--shadow-medium);
}

.contact-form-title {
  font-size: 2.25rem;
  color: var(--text-light);
  margin-bottom: 0.5rem;
}

.contact-form-subtitle {
  font-size: 0.9375rem;
  color: var(--text-muted-light);
  margin-bottom: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-gold);
  margin-bottom: 0.5rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.95rem 1.15rem;
  background-color: var(--bg-dark);
  border: 1px solid rgba(200, 169, 126, 0.25);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  color: var(--text-light);
  transition: all 0.3s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 3px rgba(200, 169, 126, 0.15);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background-color: #0A0A0A;
  color: var(--text-light);
  padding: 5rem 0 2.5rem;
  border-top: 1px solid var(--border-dark);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.5rem;
  margin-bottom: 4rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: 380px;
}

.footer-brand-desc {
  font-size: 0.9375rem;
  color: var(--text-muted-light);
  line-height: 1.7;
}

.footer-col-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--accent-gold);
  margin-bottom: 1.25rem;
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  font-size: 0.9375rem;
  color: var(--text-muted-light);
  transition: all 0.3s ease;
}

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(200, 169, 126, 0.15);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    text-align: left;
  }
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--text-muted-light);
}

.footer-disclaimer {
  font-size: 0.8125rem;
  color: var(--accent-gold);
  background-color: rgba(200, 169, 126, 0.08);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(200, 169, 126, 0.2);
}

/* ==========================================================================
   FLOATING WHATSAPP BUTTON
   ========================================================================== */
.floating-whatsapp {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  background-color: var(--whatsapp-green);
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.45);
  z-index: 999;
  transition: transform 0.3s ease;
}

.floating-whatsapp:hover {
  transform: scale(1.1);
  background-color: var(--whatsapp-hover);
}

.floating-whatsapp svg {
  width: 32px;
  height: 32px;
  fill: #FFFFFF;
}

.whatsapp-pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--whatsapp-green);
  animation: wa-pulse 2.2s infinite ease-out;
  pointer-events: none;
}

@keyframes wa-pulse {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}