:root {
  --bg: #121212;
  --bg-card: #1a1a1a;
  --text: #e5e5e5;
  --muted: #a3a3a3;
  --accent: #f59e0b;
  --border: #404040;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Inter", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .logo {
  font-family: "Oswald", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  background: rgba(18, 18, 18, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: white;
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 700;
}

.logo span { color: var(--accent); }
.logo-img { height: 36px; width: auto; }

.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-links a:hover { color: var(--accent); }
.nav-login { color: var(--accent) !important; }

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  padding: 0.5rem;
}

.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  padding-top: 5rem;
  background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.85)),
    url("/assets/capa face.jpg") center/cover no-repeat;
}

.hero h1 { font-size: clamp(2rem, 5vw, 3.5rem); margin-bottom: 1rem; }
.hero p { font-size: 1.1rem; color: var(--muted); max-width: 600px; }
.hero-actions { margin-top: 2rem; display: flex; gap: 1rem; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
}

.btn-primary { background: var(--accent); color: #121212; }
.btn-outline { border: 1px solid var(--accent); color: var(--accent); background: transparent; }

section { padding: 5rem 0; }
section h2 { font-size: 2rem; margin-bottom: 0.5rem; }
.section-sub { color: var(--muted); margin-bottom: 2.5rem; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.service-card, .project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  transition: transform 0.3s, opacity 0.7s, border-color 0.3s;
}

.service-card:hover, .project-card:hover { border-color: var(--accent); }
.service-card h3 { color: var(--accent); margin-top: 0; }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}

.project-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 4px;
  margin-bottom: 1rem;
}

.badge-3d {
  display: inline-block;
  background: var(--accent);
  color: #121212;
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  margin-left: 0.5rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
}

.contact-item { color: var(--muted); }
.contact-item strong { color: var(--text); display: block; margin-bottom: 0.25rem; }

.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 50;
  background: #25d366;
  color: white;
  padding: 0.9rem 1.2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal.open { display: flex; }

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow: auto;
  padding: 1.5rem;
}

.modal-close {
  float: right;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
}

model-viewer {
  width: 100%;
  height: 400px;
  background: #0a0a0a;
  border-radius: 4px;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  text-align: center;
  color: var(--muted);
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s, transform 0.7s;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 768px) {
  .mobile-menu-btn { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.5rem;
  }
  .nav-links.show-mobile { display: flex; }
}

/* Trabalhos (galeria de fotos reais) */
.work-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
}
.work-card {
  margin: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color 0.3s;
}
.work-card:hover { border-color: var(--accent); }
.work-card img {
  display: block;
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}
.work-card figcaption {
  padding: 0.6rem 0.9rem;
  font-size: 0.85rem;
  color: var(--muted, #9a9a9a);
  border-top: 1px solid var(--border);
}

/* FAQ */
.faq-list { max-width: 760px; }
.faq-list details {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.9rem 1.1rem;
  margin-bottom: 0.75rem;
}
.faq-list summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--accent);
}
.faq-list details p { margin: 0.6rem 0 0; color: var(--muted, #9a9a9a); }

.svc-link { color: inherit; text-decoration: none; }
.svc-link:hover { color: var(--accent); }

.areas-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0;
  margin: 1rem 0 0;
}
.areas-list li {
  list-style: none;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 0.35rem 0.9rem;
  font-size: 0.9rem;
}