/* ============================================================
   JC Estruturas Metálicas — Estilos Globais
   ============================================================ */

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

:root {
  --primary:    #003B8E;
  --primary-dk: #002E70;
  --dark:       #1F2328;
  --dark2:      #2D333B;
  --dark3:      #4F5358;
  --gray:       #7A7D82;
  --gray-lt:    #B8BCC2;
  --light:      #F4F5F7;
  --lighter:    #FAFAFA;
  --white:      #FFFFFF;

  --border:     #D9DDE2;

  /* Cor complementar para elementos especiais */
  --metal:      #7A7D82;
  --metal-dk:   #4F5358;

  /* Utilidades */
  --radius:     8px;
  --radius-lg:  16px;

  --shadow:     0 4px 24px rgba(0, 59, 142, .10);
  --shadow-lg:  0 8px 40px rgba(0, 59, 142, .18);

  --transition: .25s ease;
  --font:       'Inter', sans-serif;
  --max-w:      1200px;

}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
  font-size: 16px;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button { cursor: pointer; font-family: var(--font); border: none; outline: none; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── TOP BAR ─────────────────────────────────────────────── */
.topbar {
  background: #070808f8;
  color: rgba(255,255,255,.75);
  font-size: 13px;
  padding: 8px 0;
}
.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.topbar-left {
  display: flex;
  align-items: center;
  gap: 24px;
}
.topbar-item {
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition);
}
.topbar-item:hover { color: var(--primary); }
.topbar-item svg { flex-shrink: 0; }
.topbar-badge {
  background: var(--primary);
  color: var(--white);
  font-size: 11px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 20px;
  letter-spacing: .5px;
}

/* ── HEADER / NAV ────────────────────────────────────────── */
.header {
  background: #444444;  
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(255,255,255,.07);
  transition: box-shadow var(--transition);
}
.header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,.35); }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 92px;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-shrink: 0;
}
.logo-img {
  width: 100px;
  height: auto;
  object-fit: contain;
  border-radius: 0px;
  
}
.logo-text { color: var(--white); line-height: 1.2; }
.logo-title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .5px;
}
.logo-sub {
  font-size: 13px;
  color: var(--primary-dk);
  text-shadow: 0 0 8px rgba(0, 80, 200, 0.35);
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  color: var(--white); /* CORRIGIDO: Era rgba(255,255,255,.8) */
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover,
.nav-link.active {
  color: var(--white);
  background: rgba(255,255,255,.08);
}
.nav-link.active { color: var(--primary); }

.btn-orcamento {
  background: var(--primary);
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: 6px;
  transition: background var(--transition), transform var(--transition);
  white-space: nowrap;
}
.btn-orcamento:hover {
  background: var(--primary-dk);
  transform: translateY(-1px);
}

/* Hamburguer */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--dark2);
  padding: 16px 24px 24px;
  gap: 4px;
  border-top: 1px solid rgba(255,255,255,.07);
}
.mobile-menu.open { display: flex; }
.mobile-menu .nav-link {
  padding: 12px 16px;
  border-radius: 6px;
}
.mobile-menu .btn-orcamento {
  margin-top: 8px;
  text-align: center;
  padding: 12px;
}

/* ── HERO ────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: opacity .8s ease;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  /* OVERLAY CORRIGIDO: Gradiente mais escuro para legibilidade */
  background: linear-gradient(90deg, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.65) 60%, rgba(0,0,0,0.3) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 620px;
  padding: 80px 0;
} 
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.20);
  color: #ffffff;
  text-shadow: 0 0 8px rgba(0, 80, 200, 0.35);
  font-size: 12px;
  font-weight: 990;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
  letter-spacing: .5px;
  text-transform: uppercase;
}
.hero h1 {
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -.5px;
}
.hero h1 span { color: var(--primary); }
.hero p {
  font-size: 17px;
  color: rgba(255,255,255,.9); /* CORRIGIDO: Era .78 */
  margin-bottom: 36px;
  line-height: 1.7;
  text-shadow: 0 0 8px rgba(0, 80, 200, 0.35);
}
.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn-primary {
  background: var(--primary);
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 8px;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 16px rgba(53, 73, 255, 0.35);
}
.btn-primary:hover {
  background: var(--primary-dk);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255,107,53,.45);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 8px;
  border: 2px solid rgba(255,255,255,.35);
  transition: border-color var(--transition), background var(--transition);
}
.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,.08);
}

/* Hero indicators */
.hero-indicators {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 3;
}
.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,.4);
  border: none;
  padding: 0;
  transition: background var(--transition), transform var(--transition);
}
.hero-dot.active {
  background: var(--primary);
  transform: scale(1.3);
}

/* ── SECTION COMMONS ─────────────────────────────────────── */
section { padding: 80px 0; }
.section-tag {
  display: inline-block;
  background: rgba(0, 59, 142, 0.10);
  color: var(--primary);
  text-shadow: 0 0 8px rgba(0, 80, 200, 0.35);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 20px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 700;
  color: var(--dark);
  line-height: 1.2;
  margin-bottom: 16px;
}
.section-title span { color: var(--primary); }
.section-desc {
  font-size: 16px;
  color: var(--gray);
  max-width: 600px;
  line-height: 1.7;
}
.section-header { margin-bottom: 48px; }
.section-header.center { text-align: center; }
.section-header.center .section-desc { margin: 0 auto; }

/* ── SERVICES ────────────────────────────────────────────── */
.services { background: var(--lighter); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.service-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.service-body { padding: 24px; }
.service-body h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--dark);
}
.service-body p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.65;
  margin-bottom: 18px;
}
.btn-link {
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition);
}
.btn-link:hover { gap: 10px; }

/* ── ABOUT ───────────────────────────────────────────────── */
.about { background: var(--white); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-img-wrap img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}
.about-badge-img {
  position: absolute;
  bottom: 24px;
  right: 24px;
  background: var(--primary);
  color: var(--white);
  padding: 14px 20px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 600;
  text-align: center;
  box-shadow: 0 4px 16px rgba(255,107,53,.4);
}
.about-badge-img strong { display: block; font-size: 22px; }
.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 28px 0;
}
.about-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--dark2);
}
.about-feature-dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ── WHY US ──────────────────────────────────────────────── */
.why-us { background: var(--lighter); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.why-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  border-top: 3px solid transparent;
}
.why-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-top-color: var(--primary);
}
.why-icon {
  width: 48px;
  height: 48px;
  background: rgba(0, 59, 142, 0.10);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--primary);
}
.why-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--dark);
}
.why-card p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.65;
}

/* ── QUALITY BLOCK ───────────────────────────────────────── */
.quality { background: var(--white); }
.quality-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.quality-block {
  background: var(--lighter);
  border-radius: var(--radius-lg);
  padding: 32px;
  border-left: 4px solid var(--primary);
}
.quality-block h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--dark);
}
.quality-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.quality-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--dark2);
  line-height: 1.5;
}
.quality-check {
  color: var(--primary);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ── ABNT SECTION ────────────────────────────────────────── */
.abnt { background: var(--dark); color: var(--white); }

.abnt .section-title { color: var(--white); }
.abnt .section-desc { color: rgba(255,255,255,.65); }
.abnt .section-tag {
  background: rgba(255,255,255,0.10);
  color: #ffffff;
  border: 1px solid rgba(255,255,255,0.20);
}
.abnt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-bottom: 48px;
}
.abnt-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  text-shadow: 0 0 8px rgba(0, 80, 200, 0.35);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: background var(--transition), border-color var(--transition);
}
.abnt-card:hover {
  background: rgba(255,255,255,.08);
  border-color: rgba(0,59,142,.4);
}
.abnt-nbr {
  font-size: 12px;
  font-weight: 600;
  color: #ffffff;
  letter-spacing: 1px;
  margin-bottom: 8px;
  text-transform: uppercase;
}
.abnt-card h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
  line-height: 1.4;
}
.abnt-card p {
  font-size: 13px;
  color: rgba(255,255,255,.6);
  line-height: 1.6;
}
.abnt-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  background: rgba(255,255,255,.04);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid rgba(255,255,255,.08);
  margin-bottom: 48px;
}
.abnt-stat { text-align: center; }
.abnt-stat-num {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
  display: block;
  margin-bottom: 6px;
}
.abnt-stat-label {
  font-size: 13px;
  color: rgba(255,255,255,.6);
  line-height: 1.4;
}
.abnt-why {
  background: rgba(255,255,255,.04);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid rgba(255,255,255,.08);
}
.abnt-why h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
}
.abnt-why-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.abnt-why-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: rgba(255,255,255,.75);
  line-height: 1.5;
}
.abnt-why-dot {
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 6px;
}

/* ── CTA SECTION ─────────────────────────────────────────── */
.cta {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dk) 100%);
  color: var(--white);
  text-align: center;
  padding: 80px 0;
}
.cta h2 {
  font-size: clamp(24px, 3vw, 40px);
  font-weight: 700;
  margin-bottom: 16px;
}
.cta p {
  font-size: 17px;
  color: rgba(255,255,255,.85);
  margin-bottom: 36px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.btn-white {
  background: var(--white);
  color: var(--primary);
  font-size: 15px;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 8px;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px rgba(0,0,0,.15);
  display: inline-block; /* CORRIGIDO: Garante que o botão não sobreponha */
  margin-top: 10px; /* CORRIGIDO: Espaçamento extra */
}
.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,0,0,.22);
}
.cta-avail {
  margin-top: 20px;
  font-size: 13px;
  color: rgba(255,255,255,.7);
}

/* ── FOOTER ──────────────────────────────────────────────── */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,.7);
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,.55);
}
.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  font-size: 14px;
  color: rgba(255,255,255,.55);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--primary); }
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,.6);
  line-height: 1.5;
}
.footer-contact-item svg { flex-shrink: 0; margin-top: 2px; color: var(--primary); }
.footer-contact-item a { color: rgba(255,255,255,.6); transition: color var(--transition); }
.footer-contact-item a:hover { color: var(--primary); }
.footer-bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255,255,255,.35);
}
.footer-bottom a { color: rgba(255,255,255,.35); transition: color var(--transition); }
.footer-bottom a:hover { color: var(--primary); }

/* ── PAGE HERO (internas) ────────────────────────────────── */
.page-hero {
  background: var(--dark);
  color: var(--white);
  padding: 80px 0 64px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: .45; /* CORRIGIDO: Era .25 para melhor leitura */
  /* ADICIONADO: Overlay escuro */
  background-color: rgba(0,0,0,0.5);
  background-blend-mode: overlay;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.20);
  color: #ffffff;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
  letter-spacing: .5px;
  text-transform: uppercase;
}
.page-hero h1 {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  margin-bottom: 14px;
  line-height: 1.15;
  text-shadow: 0 2px 4px rgba(0,0,0,0.5); /* ADICIONADO: Legibilidade */
}
.page-hero p {
  font-size: 17px;
  color: rgba(255,255,255,.85); /* CORRIGIDO: Era .7 */
  max-width: 560px;
  line-height: 1.7;
  text-shadow: 0 1px 3px rgba(0,0,0,0.5); /* ADICIONADO: Legibilidade */
}

/* ── SERVICES PAGE ───────────────────────────────────────── */
.services-page { background: var(--white); }
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
  padding: 56px 0;
  border-bottom: 1px solid var(--border);
}
.service-detail:last-child { border-bottom: none; }
.service-detail.reverse { direction: rtl; }
.service-detail.reverse > * { direction: ltr; }
.service-detail-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.service-detail-img img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}
.service-detail h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--dark);
}
.service-detail > div > p {
  font-size: 15px;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 24px;
}
.benefits-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}
.benefits-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}
.benefits-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--dark2);
}
.benefits-list li::before {
  content: '✓';
  color: var(--primary);
  font-weight: 700;
  flex-shrink: 0;
}
.apps-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}
.app-tag {
  background: var(--lighter);
  border: 1px solid var(--border);
  color: var(--dark2);
  font-size: 12px;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 20px;
}

/* ── ABOUT PAGE ──────────────────────────────────────────── */
.about-page { background: var(--white); }
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}
.value-card {
  background: var(--lighter);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  border-top: 4px solid var(--primary);
}
.value-icon {
  width: 56px;
  height: 56px;
  background: rgba(0, 59, 142, 0.10);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  color: var(--primary);
}
.value-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--dark);
}
.value-card p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.65;
}
.commitment {
  background: var(--dark);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px;
  margin-top: 64px;
  text-align: center;
}
.commitment h2 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 16px;
}
.commitment p {
  font-size: 15px;
  color: rgba(255,255,255,.7);
  max-width: 640px;
  margin: 0 auto 28px;
  line-height: 1.7;
}

/* ── PORTFOLIO PAGE ──────────────────────────────────────── */
.portfolio-page { background: var(--white); }
.portfolio-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
  justify-content: center;
}
.filter-btn {
  background: var(--lighter);
  border: 1px solid var(--border);
  color: var(--dark2);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 20px;
  border-radius: 24px;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.filter-btn:hover,
.filter-btn.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.portfolio-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  background: var(--white);
}
.portfolio-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.portfolio-card-img {
  position: relative;
  overflow: hidden;
}
.portfolio-card-img img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform .4s ease;
}
.portfolio-card:hover .portfolio-card-img img { transform: scale(1.06); }
.portfolio-card-year {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--primary);
  color: var(--white);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 12px;
}
.portfolio-card-body {
  padding: 20px;
}
.portfolio-card-body h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--dark);
}
.portfolio-card-body p {
  font-size: 13px;
  line-height: 1.55;
}

/* ── NORMAS PAGE ─────────────────────────────────────────── */
.normas-page { background: var(--white); }
.norma-card {
  background: var(--lighter);
  border-radius: var(--radius-lg);
  padding: 36px;
  margin-bottom: 28px;
  border-left: 5px solid var(--primary);
  box-shadow: var(--shadow);
}
.norma-version {
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.norma-card h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}
.norma-card > p {
  font-size: 15px;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 24px;
}
.norma-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.norma-col-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}
.norma-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.norma-features li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  color: var(--dark2);
  line-height: 1.5;
}
.norma-features li::before {
  content: '✓';
  color: var(--primary);
  font-weight: 700;
  flex-shrink: 0;
}
.norma-info {
  background: var(--white);
  border-radius: var(--radius);
  padding: 16px;
  border: 1px solid var(--border);
}
.norma-info-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}
.norma-info-row:last-child { border-bottom: none; }
.norma-info-row span:first-child { color: var(--gray); }
.norma-info-row span:last-child { font-weight: 600; color: var(--dark); }
.norma-note {
  background: rgba(0, 59, 142, 0.06);
  border: 1px solid rgba(0, 59, 142, 0.20);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 13px;
  color: var(--dark2);
  margin-top: 16px;
  line-height: 1.5;
}
.normas-commitment {
  background: var(--dark);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px;
  margin-top: 48px;
  text-align: center;
}
.normas-commitment h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
}
.normas-commitment p {
  font-size: 15px;
  color: rgba(255,255,255,.7);
  max-width: 640px;
  margin: 0 auto 28px;
  line-height: 1.7;
}

/* ── CONTACT SECTION ─────────────────────────────────────── */
.contact-section { background: var(--lighter); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 24px;
}
.contact-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform var(--transition);
}
.contact-card:hover { transform: translateY(-4px); }
.contact-icon {
  width: 52px;
  height: 52px;
  background: rgba(0, 59, 142, 0.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  color: var(--primary);
}
.contact-card h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--dark);
}
.contact-card a,
.contact-card p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.5;
  transition: color var(--transition);
}
.contact-card a:hover { color: var(--primary); }

/* ── WHATSAPP FLOAT ──────────────────────────────────────── */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  background: #25d366;
  color: var(--white);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,.45);
  transition: transform var(--transition), box-shadow var(--transition);
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,.6);
}

/* ── BACK TO TOP ─────────────────────────────────────────── */
.back-top {
  position: fixed;
  bottom: 96px;
  right: 28px;
  z-index: 999;
  background: var(--primary);
  color: var(--white);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
}
.back-top.visible {
  opacity: 1;
  pointer-events: auto;
}
.back-top:hover { transform: translateY(-3px); }

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { gap: 40px; }
  .quality-grid { grid-template-columns: 1fr; }
  .norma-cols { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  section { padding: 56px 0; }
  .nav-links, .btn-orcamento { display: none; }
  .hamburger { display: flex; }
  .about-grid { grid-template-columns: 1fr; }
  .about-img-wrap img { height: 300px; }
  .service-detail { grid-template-columns: 1fr; gap: 28px; }
  .service-detail.reverse { direction: ltr; }
  .values-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .abnt-stats { grid-template-columns: 1fr; gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-content { padding: 56px 0; }
  .commitment { padding: 32px 24px; }
  .normas-commitment { padding: 32px 24px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .topbar-left { gap: 12px; }
  .hero-btns { flex-direction: column; }
  .btn-primary, .btn-outline { text-align: center; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
}
.orcamento-section{
    padding:80px 0;
    background:#f8f8f8;
}

.orcamento-form{
    max-width:700px;
    margin:40px auto 0;
    display:flex;
    flex-direction:column;
    gap:15px;
}

.orcamento-form input,
.orcamento-form select,
.orcamento-form textarea{
    width:100%;
    padding:15px;
    border:1px solid #ddd;
    border-radius:8px;
    font-size:15px;
}

.orcamento-form button{
    border:none;
    cursor:pointer;
}