:root{
  --bg:#0b0b0b; /* dark base for contrast */
  --surface:#ffffff;
  --muted:#6b7280;
  --accent:hsl(44, 94%, 47%); /* amarelo principal */
  --accent-600:hsl(44, 94%, 47%);
  --black:#0a0a0a;
  --white:#ffffff;
  --glass: rgba(255,255,255,0.06);
  --radius:14px;
  --shadow: 0 12px 30px rgba(0,0,0,0.45);
  --container:1200px;
  --gap:20px;
  --transition:300ms cubic-bezier(.2,.9,.3,1);
  --nav-height:72px;
  --reveal-duration:700ms;
}

/* Reset & base */
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial;
  background: linear-gradient(180deg,var(--white) 0%, #f7f7f7 100%);
  color:var(--black);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.45;
  -webkit-tap-highlight-color: transparent;
}

/* Container */
.container{max-width:var(--container);margin:0 auto;padding:28px}

/* Header */
.header{
  position:sticky; top:0; z-index:120;
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(255,255,255,0.92));
  box-shadow: 0 6px 24px rgba(0,0,0,0.06);
  backdrop-filter: blur(6px);
  height:var(--nav-height);
  display:flex;align-items:center;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;width:100%}
.brand{display:flex;align-items:center;gap:12px}
.logo{width:48px;height:48px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent-600));display:flex;align-items:center;justify-content:center;color:var(--black);font-weight:800;box-shadow:var(--shadow)}
.brand-text strong{display:block;font-size:1rem}
.brand-text span{display:block;font-size:.8rem;color:var(--muted)}

/* Nav as tabs */
.nav{display:flex;align-items:center;gap:10px}
.nav-link{
  display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:12px;text-decoration:none;color:var(--black);font-weight:600;position:relative;transition:all var(--transition);
  background:transparent;
}
.nav-link:hover{transform:translateY(-3px); color:var(--accent)}
.nav-link.active{background:linear-gradient(90deg,var(--accent),var(--accent-600)); color:var(--black); box-shadow:0 10px 30px rgba(245,179,0,0.12)}

/* hamburger */
.hamburger{display:none;background:transparent;border:none;padding:8px;margin-left:8px;cursor:pointer}
.hamburger span{display:block;width:20px;height:2px;background:var(--black);margin:4px 0;border-radius:2px}

/* Tabs underline (animated) */
.tabs-underline{height:4px;background:linear-gradient(90deg,var(--accent),var(--accent-600));width:0;max-width:1200px;margin:0 auto;transition:all 320ms ease}

/* HERO */
.hero-section{padding:36px 0 8px 0}
.hero-grid{display:grid;grid-template-columns:1fr 480px;gap:36px;align-items:center}
.hero-content h1{font-size:2.1rem;margin:0 0 12px}
.hero-content p{color:var(--muted);margin:0 0 18px}
.hero-actions{display:flex;gap:12px}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  background:linear-gradient(90deg,var(--accent),var(--accent-600));
  color:var(--black);padding:12px 18px;border-radius:12px;border:none;text-decoration:none;font-weight:700;cursor:pointer;
  box-shadow: 0 12px 30px rgba(245,179,0,0.12);
  transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}
.btn:hover{transform:translateY(-4px); filter:brightness(1.02)}
.btn.ghost{background:transparent;border:1px solid rgba(0,0,0,0.06)}
.link{display:inline-flex;align-items:center;color:var(--muted);text-decoration:none;font-weight:700}

/* hero media - easy bg swap */
.hero-img{height:320px;border-radius:16px;overflow:hidden;background-size:cover;background-position:center;box-shadow:var(--shadow);transition:transform 900ms cubic-bezier(.2,.9,.3,1)}
.hero-img:hover{transform:scale(1.03)}

/* Section separators */
.section-separator{position:relative}
.section-separator .sep-line{display:block;height:6px;background:linear-gradient(90deg,var(--accent),var(--accent-600));width:60%;border-radius:999px;margin:18px auto;animation:sepPulse 2200ms ease-in-out infinite}
@keyframes sepPulse{0%{transform:scaleX(0.9);opacity:.9}50%{transform:scaleX(1.03);opacity:1}100%{transform:scaleX(0.9);opacity:.9}}
.sep-wave{width:100%;height:56px;display:block;}

/* Services */
.services-section{background:linear-gradient(180deg, rgba(245,179,0,0.03), rgba(255,255,255,0.0));padding-bottom:8px}
.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:18px}
.service-card{background:var(--white);padding:14px;border-radius:12px;box-shadow:var(--shadow);transition:transform var(--transition);overflow:hidden;position:relative}
.service-card:hover{transform:translateY(-8px);box-shadow:0 30px 60px rgba(0,0,0,0.18)}
.service-media{height:140px;background-size:cover;background-position:center;border-radius:10px;margin-bottom:12px}

/* About */
.about-section{padding-top:28px}
.about-grid{display:grid;grid-template-columns:1fr 520px;gap:28px;align-items:center}
.grid-photos{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.grid-photos img{width:100%;height:120px;object-fit:cover;border-radius:8px;box-shadow:0 8px 20px rgba(0,0,0,0.08)}

/* Gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:12px}
.gallery-item img{width:100%;height:180px;object-fit:cover;border-radius:10px;transition:transform 420ms var(--transition)}
.gallery-item img:hover{transform:scale(1.03)}

/* Mini carousel */
.carousel-mini {
  position: relative;
  margin-top: 18px;
  overflow: hidden;
  border-radius: 12px;
}

.carousel-track {
  display: flex;
  transition: transform 0.5s ease;
}

.carousel-track img {
  width: 100%;
  max-width: 520px;
  height: 300px;
  object-fit: cover;
  flex-shrink: 0;
  border-radius: 12px;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.85);
  border: none;
  padding: 12px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 20px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.12);
  transition: background 0.3s;
}

.carousel-btn:hover {
  background: var(--accent);
  color: var(--black);
}

.carousel-btn.prev {
  left: 12px;
}

.carousel-btn.next {
  right: 12px;
}

/* Mobile responsive */
@media(max-width: 760px) {
  .carousel-track img { width: 320px; height: 200px; }
}
@media(max-width: 1100px) {
  .carousel-track img { width: 420px; height: 260px; }
}


/* Reviews */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:12px}
.review{background:linear-gradient(180deg, rgba(255,255,255,0.96), rgba(255,255,255,0.98));padding:18px;border-radius:12px;box-shadow:var(--shadow)}
.meta{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.stars{color:var(--accent);font-weight:700}

/* Contact layout */
.contact-grid{display:grid;grid-template-columns:560px 1fr;gap:28px}
.contact-card, .info-card{background:var(--white);padding:22px;border-radius:16px;box-shadow:var(--shadow)}
.field-row{display:flex;gap:12px}
label{display:block;font-size:.95rem;color:var(--muted);margin-bottom:8px}
input, textarea{display:block;width:100%;padding:10px;border-radius:10px;border:1px solid #edf2f7;background:transparent;font-size:0.95rem}
textarea{min-height:90px;resize:vertical}
.form-actions{display:flex;gap:12px;margin-top:12px}

/* WA options & FAB */
.wa-options{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.wa-option{background:linear-gradient(90deg,var(--accent),var(--accent-600));color:var(--black);border:none;padding:10px 14px;border-radius:10px;cursor:pointer;box-shadow:0 10px 30px rgba(245,179,0,0.08)}
.whatsapp-fab{position:fixed;right:18px;bottom:18px;z-index:140;display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.wa-fab{width:56px;height:56px;border-radius:16px;border:none;background:linear-gradient(90deg,var(--accent),var(--accent-600));box-shadow:0 16px 40px rgba(0,0,0,0.12);font-size:20px;cursor:pointer}
.wa-menu{background:var(--white);padding:8px;border-radius:12px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:8px}
.hidden{display:none}

/* Footer */
.footer{padding:20px 0;background:transparent;border-top:1px solid rgba(0,0,0,0.04);margin-top:40px}
.footer-inner{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:.9rem}

/* Reveal animation (used by JS intersection observer) */
.reveal{opacity:0;transform:translateY(18px);transition:opacity var(--reveal-duration) ease, transform var(--reveal-duration) ease}
.reveal.visible{opacity:1;transform:none}

/* centered small section separator */
.section-sep-centered{display:flex;justify-content:center;margin:30px 0}
.section-sep-centered .dot{width:12px;height:12px;background:linear-gradient(90deg,var(--accent),var(--accent-600));border-radius:50%;box-shadow:0 8px 20px rgba(0,0,0,0.12);animation:dotBounce 1600ms infinite}
@keyframes dotBounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}

/* Responsive */
@media(max-width:1100px){
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr}
  .gallery-grid{grid-template-columns:repeat(3,1fr)}
  .carousel-track img{width:420px;height:260px}
}
@media(max-width:760px){
  .header{height:64px}
  .nav .nav-link{display:none}
  .hamburger{display:inline-flex}
  .container{padding:18px}
  .hero-grid{grid-template-columns:1fr;gap:18px}
  .carousel-track img{width:320px;height:200px}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
  .services-grid{grid-template-columns:1fr}
  .reviews{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .tabs-underline{display:none}
  .mobile-menu{display:flex}
}

/* Mobile menu */
.mobile-menu{position:fixed;right:18px;top:74px;background:var(--white);padding:12px;border-radius:12px;box-shadow:var(--shadow);display:none;flex-direction:column;gap:8px;z-index:200}
.mobile-link{text-decoration:none;color:var(--black);padding:10px;border-radius:8px}
.mobile-link:hover{background:rgba(0,0,0,0.03)}



/* Qualidade, Missão e Valores */
.qmv-section {
  background: linear-gradient(180deg, rgba(245,179,0,0.03), rgba(255,255,255,0.0));
  padding-top: 20px;
  padding-bottom: 20px;
}

.qmv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 20px;
}

.qmv-card {
  background: var(--white);
  padding: 18px;
  border-radius: 14px;
  box-shadow: var(--shadow);
  transition: transform var(--transition);
  text-align: center;
}

.qmv-card:hover {
  transform: translateY(-6px);
}

.qmv-card h3 {
  color: var(--accent);
  margin-bottom: 8px;
}

.qmv-card p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

@media(max-width: 760px) {
  .qmv-grid {
    grid-template-columns: 1fr;
  }
}