:root {
  /* Color Palette - Original Velvet Club */
  --primary: #fdfbd4;
  --primary-dark: #d4a574;
  --bg-dark: #180000;
  --bg-darker: #200000;
  --bg-card: #200000;
  --text-light: #fdfbd4;
  --text-muted: #b0b0b0;
  --accent-red: #8b0000;
  --border-color: rgba(253, 251, 212, 0.1);
  
  /* Fonts */
  --font-serif: 'Playfair Display', serif;
  --font-sans: 'Montserrat', sans-serif;
  --font-mono: 'Space Mono', monospace;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 3rem;
  --spacing-xl: 5rem;
  
  /* Transitions */
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
  color: var(--text-light);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.2;
  color: var(--text-light);
}

h1 { font-size: clamp(2.5rem, 10vw, 4.5rem); }
h2 { font-size: clamp(2rem, 8vw, 3.5rem); }
h3 { font-size: clamp(1.2rem, 5vw, 1.8rem); }
h4 { font-size: 1.2rem; }

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

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

/* Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-narrow {
  max-width: 700px;
}

.section-title {
  font-size: clamp(2rem, 8vw, 3.5rem);
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--primary) 0%, #f5deb3 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 0.75rem 1.75rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border: 2px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--bg-dark);
  border-color: var(--primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212, 175, 55, 0.3);
}

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

.btn-secondary:hover {
  background: rgba(212, 175, 55, 0.1);
}

.btn-small {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1rem;
}

/* Header/Navigation */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(15, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
}

.logo {
  display: flex;
  flex-direction: column;
  gap: 0;
  font-size: 1.5rem;
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.logo-text { font-size: 1.5rem; }
.logo-sub { font-size: 0.75rem; font-style: italic; }

.nav-list {
  list-style: none;
  display: flex;
  gap: var(--spacing-lg);
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--primary);
  transition: all var(--transition);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl) var(--spacing-md);
  background: linear-gradient(135deg, rgba(139, 0, 0, 0.2) 0%, rgba(0, 0, 0, 0.8) 100%),
              url('bg-velvet.png') center/cover;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  display: block;
  max-width: 800px;
  width: 100%;
  position: relative;
  z-index: 1;
}

.hero-text {
  animation: slideInLeft 1s ease-out;
}

.hero-title {
  font-size: clamp(3rem, 12vw, 5.5rem);
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--primary) 0%, #fff8dc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-lg);
  line-height: 1.8;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: rgba(212, 175, 55, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 8px;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  font-family: var(--font-mono);
}

.stat-label {
  display: block;
  font-size: 0.9rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: var(--spacing-xs);
}

.hero-ctas {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}



/* Sections */
.section {
  padding: var(--spacing-xl) var(--spacing-md);
}

.section-about,
.section-servicos,
.section-testimonials,
.section-faq,
.section-final-cta {
  border-top: 1px solid var(--border-color);
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.feature-card {
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.05) 0%, rgba(0, 0, 0, 0.3) 100%);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  transition: all var(--transition);
  text-align: center;
}

.feature-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(212, 175, 55, 0.15);
}

.feature-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(212, 175, 55, 0.1);
  border-radius: 50%;
  color: var(--primary);
}

.feature-icon svg {
  width: 32px;
  height: 32px;
}

.feature-card h3 {
  color: var(--text-light);
  margin-bottom: var(--spacing-sm);
}

.feature-card p {
  font-size: 0.95rem;
  line-height: 1.6;
}



/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.service-item {
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.05) 0%, rgba(0, 0, 0, 0.3) 100%);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  transition: all var(--transition);
}

.service-item:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
}

.service-number {
  font-size: 2.5rem;
  color: var(--primary);
  font-family: var(--font-mono);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.service-item h3 {
  margin-bottom: var(--spacing-sm);
}

.service-benefits {
  list-style: none;
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-color);
}

.service-benefits li {
  padding: var(--spacing-xs) 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.service-benefits li::before {
  content: '✓ ';
  color: var(--primary);
  font-weight: 700;
  margin-right: var(--spacing-xs);
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.testimonial-card {
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.05) 0%, rgba(0, 0, 0, 0.3) 100%);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  transition: all var(--transition);
}

.testimonial-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
}

.stars {
  color: var(--primary);
  font-size: 1.2rem;
  margin-bottom: var(--spacing-md);
}

.testimonial-text {
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: var(--spacing-lg);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.author-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.author-name {
  font-weight: 600;
  color: var(--text-light);
  margin: 0;
  margin-bottom: 0.25rem;
}

.author-title {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
}

/* FAQ */
.faq-container {
  max-width: 800px;
  margin: var(--spacing-xl) auto;
}

.faq-item {
  border-bottom: 1px solid var(--border-color);
  padding: var(--spacing-lg) 0;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  background: none;
  border: none;
  color: var(--text-light);
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
  transition: color var(--transition);
}

.faq-question:hover {
  color: var(--primary);
}

.faq-icon {
  color: var(--primary);
  font-size: 1.5rem;
  transition: transform var(--transition);
}

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

.faq-answer {
  margin-top: var(--spacing-md);
  color: var(--text-muted);
  line-height: 1.8;
}

/* Contact Form */
.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin: var(--spacing-xl) 0;
  padding: var(--spacing-lg);
  background: rgba(212, 175, 55, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 8px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group:nth-child(n+3) {
  grid-column: span 1;
}

.form-group input,
.form-group select {
  padding: 0.75rem 1rem;
  background: var(--bg-darker);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-light);
  font-family: inherit;
  transition: all var(--transition);
}

.form-group input::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 12px rgba(212, 175, 55, 0.2);
}

.contact-form button {
  grid-column: 1 / -1;
}

.form-disclaimer {
  grid-column: 1 / -1;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: -var(--spacing-sm);
}

.contact-info {
  text-align: center;
  margin-top: var(--spacing-xl);
}

.contact-info p {
  margin-bottom: var(--spacing-md);
}

/* Footer */
.footer {
  background: linear-gradient(180deg, var(--bg-darker) 0%, #000 100%);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-xl) var(--spacing-md) var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  max-width: 1200px;
  margin: 0 auto var(--spacing-xl);
}

.footer-section h4 {
  margin-bottom: var(--spacing-md);
  color: var(--primary);
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: var(--text-muted);
  transition: color var(--transition);
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Animations */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Responsive */
@media (max-width: 1024px) {
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
  }

  .header-container {
    gap: var(--spacing-md);
  }

  .nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero {
    padding: var(--spacing-lg) var(--spacing-md);
    min-height: 80vh;
  }

  .hero-content {
    gap: var(--spacing-lg);
  }

  .hero-ctas {
    flex-direction: column;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  .features-grid,
  .modelos-grid,
  .services-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

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

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

  .filter-container {
    gap: var(--spacing-xs);
  }

  .filter-btn {
    padding: 0.4rem 1rem;
    font-size: 0.75rem;
  }
}

@media (max-width: 480px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  
  .header-container {
    padding: 1rem var(--spacing-sm);
  }

  .section {
    padding: var(--spacing-lg) var(--spacing-sm);
  }

  .hero {
    padding: var(--spacing-lg) var(--spacing-sm);
    min-height: 60vh;
  }

  .hero-stats {
    display: none;
  }
}