    :root {
      --primary: #2b59a3;
      --bg-section: rgba(158, 179, 212, 0.09);
      --bg-section-b: rgba(158, 179, 212, 0.4);
      --brand-dark: #0b1b2b;
      --brand-primary: #0f6efd; /* Bootstrap primary */
      --brand-accent: #f0b429;  /* dourado suave para detalhes */
      --text-muted: #6c757d;
    }

    body {
      font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
      color: #1f2937;
      background-color: #ffffff;
    }

    /* Navbar */
    .navbar {
      background: #ffffff;
      border-bottom: 1px solid #e9ecef;
    }
    .navbar-brand {
      font-weight: 700;
      letter-spacing: 0.5px;
      color: var(--brand-dark);
    }
    .navbar-brand span {
      color: var(--brand-primary);
    }
    .nav-link {
      color: #1f2937;
      font-weight: 500;
    }
    .nav-link:hover {
      color: var(--brand-primary);
    }
    
    .btn-proposta{
      font-weight: 600;
      border-radius: 999px;
      padding: 0.5rem 1rem;
      /*background: var(--primary);*/
      color: #ffffff;
      box-shadow: 5px 5px 20px var(--primary);
    }
    .btn-proposta:hover {

    }
 
    .contact-pill {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background: #f8f9fa;
      border: 1px solid #ffffff;
      border-radius: 999px;
      padding: 0.5rem 0.8rem;
      color: #1f2937;
      font-weight: 600;
      text-decoration: none;
    }



/*--------------------------------------------------------------
# Hero Section
--------------------------------------------------------------*/
.hero {
  padding: 120px 0 60px 0;
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero .hero-content {
  width: 100%;
  position: relative;
  display: flex;
  align-items: center;
  z-index: 3;
}

.hero .video-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero .video-background video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero .video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: color-mix(in srgb, var(--primary), transparent 20.5%);
  z-index: 2;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
  color: #ffffff;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }
}

@media (max-width: 576px) {
  .hero h1 {
    font-size: 2rem;
  }
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2.5rem;
  color: color-mix(in srgb, var(--default-color), transparent 30%);
  line-height: 1.6;
  color: #ffffff;
}

@media (max-width: 768px) {
  .hero p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
  }
}

.hero .hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: left;
  flex-wrap: wrap;
  color: #ffffff;
}

.hero .hero-buttons .btn {
  padding: 0.875rem 2rem;
  font-weight: 600;
  border-radius: 999px;
  transition: all 0.3s ease;
  text-decoration: none;
  border: 2px solid transparent;
  font-size: 1rem;
}

.hero .hero-buttons .btn.btn-primary {
  /*background-color: var(--primary);*/
  color: var(--contrast-color);
  border-color: var(--primary);
  box-shadow: 5px 5px 20px var(--primary);
}

.hero .hero-buttons .btn.btn-primary:hover {
  /*background-color: color-mix(in srgb, var(--primary), black 15%);*/
  /*border-color: color-mix(in srgb, var(--primary), black 15%);*/
  transform: translateY(-2px);
}

.hero .hero-buttons .btn.btn-outline {
  background-color: transparent;
  color: color-mix(in srgb, var(--default-color), transparent 20%);
  border-color: color-mix(in srgb, var(--default-color), transparent 50%);
}

.hero .hero-buttons .btn.btn-outline:hover {
  transform: translateY(-2px);
  border-color: #ffffff;
  color: var(--accent-color);
  background-color: rgba(225, 225, 225, 0.2);
}

@media (max-width: 576px) {
  .hero .hero-buttons .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
  }
}

@media (max-width: 992px) {
  .hero {
    padding: 80px 0;
    min-height: 80vh;
  }

  .hero .hero-content {
    min-height: 80vh;
  }
}

/*--------------------------------------------------------------
# Quem Somos */
--------------------------------------------------------------*/

.section-quem-somos {
  padding: 3rem 0;
  background-color: var(--bg-section);
}

.title {
  font-size: clamp(1.75rem, 2.5vw, 2.25rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--brand-dark);
}
.lead {
  color: #374151;
  font-size: 1.05rem;
}

/* Image panel */
.image-panel {
  position: relative;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  background: #f3f4f6;
  min-height: 380px;
}
.image-panel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.image-badge {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  background: rgba(11,27,43,0.85);
  color: #fff;
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}
@media (min-width: 992px) {
  .stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
.stat-card {
  border: 1px solid #e9ecef;
  border-radius: 0.75rem;
  padding: 1rem;
  background: #fff;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.stat-icon {
  width: 32px;
  height: 32px;
  border-radius: 0.5rem;
  display: grid;
  place-items: center;
  background: #f1f5f9;
  color: var(--brand-primary);
  font-size: 1.25rem;
}
.stat-text .label {
  font-size: 0.70rem;
  color: var(--text-muted);
  margin-bottom: 0.15rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.stat-text .value {
  font-size: 0.95rem;
  font-weight: 700;
  color: #111827;
}

/* CTA */
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-top: 1.25rem;
}
.btn-primary {
  border-radius: 999px;
  padding: 0.6rem 1rem;
  font-weight: 700;
}
.note {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Footer (opcional simples) */
footer {
  border-top: 1px solid #e9ecef;
  padding: 1.5rem 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/*Estilos adicionais */

#form-parceiro {
  background-color: rgba(0, 0, 0, 0.7);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1050;
  overflow-y: auto;
  padding-top: 2rem;
  padding-bottom: 2rem;
}

#form-parceiro .card {
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.form-check-input:checked {
  background-color: #0d6efd;
  border-color: #0d6efd;
}


/*<!-- Estilos adicionais para melhor UX -->*/

/* Validação personalizada */
.form-control.is-invalid {
  border-color: #dc3545;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right calc(.375em + .1875rem) center;
  background-size: calc(.75em + .375rem) calc(.75em + .375rem);
}

.form-control.is-valid {
  border-color: #198754;
}

/* Melhorar acessibilidade para foco */
.form-control:focus {
  border-color: #0d6efd;
  box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

/* Animações suaves */
.btn-primary {
  transition: all 0.2s ease-in-out;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(13, 110, 253, 0.25);
}

/* Responsividade para inputs */
@media (max-width: 768px) {
  .input-group-text {
    padding: 0.375rem 0.75rem;
  }
  
  .btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
  }
}

/*<!-- Estilos específicos para a seção -->*/

/* Animações suaves para modo escuro */
#mineracao-petroleo-gas .card {
  transition: transform 0.3s ease, border-color 0.3s ease;
}

#mineracao-petroleo-gas .card:hover {
  transform: translateY(-5px);
  border-color: #ffc107 !important;
}

/* Efeito de brilho para elementos importantes */
#mineracao-petroleo-gas .btn-warning {
  position: relative;
  overflow: hidden;
}

#mineracao-petroleo-gas .btn-warning::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    to bottom right,
    rgba(255, 255, 255, 0.3) 0%,
    rgba(255, 255, 255, 0.1) 50%,
    transparent 100%
  );
  transform: rotate(30deg);
  transition: transform 0.5s;
}

#mineracao-petroleo-gas .btn-warning:hover::after {
  transform: rotate(30deg) translate(10%, 10%);
}

/* Melhor legibilidade para listas */
#mineracao-petroleo-gas .list-unstyled li {
  position: relative;
  padding-left: 1.5rem;
}

#mineracao-petroleo-gas .list-unstyled li::before {
  content: "•";
  color: #ffc107;
  font-weight: bold;
  position: absolute;
  left: 0;
}

/* Responsividade */
@media (max-width: 768px) {
  #mineracao-petroleo-gas .lead {
    font-size: 1.1rem;
  }
  
  #mineracao-petroleo-gas h1 {
    font-size: 2rem;
  }
  
  #mineracao-petroleo-gas .btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
  }
}

/* Animações de entrada */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

#mineracao-petroleo-gas > .container > .row {
  animation: fadeInUp 0.6s ease-out;
}

/* Efeito de gradiente sutil */
#mineracao-petroleo-gas {
  background: linear-gradient(135deg, #212529 0%, #343a40 100%);
  position: relative;
}

#mineracao-petroleo-gas::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #ffc107, #fd7e14);
}

/*<!-- Estilos adicionais para o footer -->*/

.hover-text-primary:hover {
  color: #0d6efd !important;
  transition: color 0.2s ease-in-out;
}

#back-to-top {
  transition: all 0.3s ease;
}

#back-to-top:hover {
  transform: translateY(-3px);
}

footer a:focus {
  outline: 2px solid #0d6efd;
  outline-offset: 2px;
  border-radius: 4px;
}

.form-control:focus {
  border-color: #0d6efd;
  box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

/*----------------------------------*/
/*engenharia e construção civil*/
/*----------------------------------*/
/* Animações suaves */
#engenharia-construcao-civil .card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

#engenharia-construcao-civil .card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1) !important;
}

/* Destaque para listas */
#engenharia-construcao-civil .list-unstyled li {
  position: relative;
  padding-left: 1.5rem;
}

#engenharia-construcao-civil .list-unstyled li::before {
  content: "•";
  color: #0d6efd;
  font-weight: bold;
  position: absolute;
  left: 0;
}

/* Responsividade para textos */
@media (max-width: 768px) {
  #engenharia-construcao-civil .lead {
    font-size: 1.1rem;
  }
  
  #engenharia-construcao-civil h1 {
    font-size: 2rem;
  }
}

/* Melhor espaçamento para cards */
#engenharia-construcao-civil .card-body {
  padding: 1.5rem;
}

@media (min-width: 992px) {
  #engenharia-construcao-civil .card-body {
    padding: 2rem;
  }
}