:root {
  /* Paleta mais neutra e corporativa */
  --primary: #0f5257;           /* verde-teal profissional */
  --primary-dark: #0a3f44;
  --primary-light: #e8f4f5;
  
  --bg-light: #f3f4f6;          /* cinza claro neutro */
  --bg-surface: #ffffff;
  
  --text-main: #1f2937;         /* cinza escuro corporativo */
  --text-muted: #6b7280;
  --border-soft: #e5e7eb;
}

body {
  font-family: 'Montserrat', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background-color: var(--bg-light);
  color: var(--text-main);
  scroll-behavior: smooth;
}

/* Navbar: mais discreta, faixa escura */
.navbar {
  background-color: #0f172a;    /* azul escuro quase preto */
  border-bottom: 1px solid #1e293b;
  box-shadow: none;
}

.navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: none;         /* menos agressivo */
  letter-spacing: 0.04em;
  color: #f1f5f9 !important;
}

.navbar-brand span.small-tagline {
  font-weight: 400;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #94a3b8;
}

.navbar-nav .nav-link {
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.75rem;
  color: #cbd5e1 !important;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: #ffffff !important;
}

.navbar-toggler {
  border-color: #475569;
}

.navbar-toggler-icon {
  filter: invert(1);
}

/* Hero: fundo chapado, sem gradiente marketeiro */
#home {
  min-height: 85vh;
  display: flex;
  align-items: center;
  padding-top: 6rem;
  padding-bottom: 4rem;
  background-color: #fafbfc;   /* branco quase neutro */
  border-bottom: 1px solid var(--border-soft);
}

.hero-eyebrow {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  font-weight: 500;            /* menos peso */
  margin-bottom: 0.5rem;
}

.hero-title {
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 600;            /* peso moderado, não bold demais */
  line-height: 1.2;
  margin-top: 0.5rem;
  margin-bottom: 0.75rem;
  text-transform: none;        /* evita caixa alta total */
  color: var(--text-main);
}

.hero-subtitle {
  font-size: 0.95rem;
  max-width: 34rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.hero-tagline {
  margin-top: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.75rem;
  color: var(--primary-dark);
  font-weight: 600;
}

.hero-cta-group {
  margin-top: 1.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Painel lateral: mais clean */
.hero-panel {
  border-radius: 0.5rem;
  background: var(--bg-surface);
  padding: 1.4rem 1.6rem;
  border-left: 4px solid var(--primary);
  border-top: 1px solid var(--border-soft);
  border-right: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
}

.hero-panel-title {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.7rem;
  font-weight: 600;
}

.hero-panel-list li {
  margin-bottom: 0.4rem;
  font-size: 0.88rem;
  color: #374151;
  line-height: 1.5;
}

/* Seções */
section {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.section-label {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 1.85rem;
  font-weight: 600;            /* menos pesado */
  text-transform: none;        /* evita tudo em caixa alta */
  margin-bottom: 0.75rem;
  color: var(--text-main);
}

.section-subtitle {
  color: var(--text-muted);
  max-width: 40rem;
  line-height: 1.6;
}

/* Cards: bordas mais discretas */
.feature-card {
  height: 100%;
  background: var(--bg-surface);
  border-radius: 0.4rem;
  border-left: 3px solid var(--primary);
  border-top: 1px solid var(--border-soft);
  border-right: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  padding: 1.25rem 1.4rem;
  font-size: 0.9rem;
}

.feature-card-title {
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  margin-bottom: 0.3rem;
  color: var(--text-muted);
}

/* Serviços */
.service-card {
  height: 100%;
  background: var(--bg-surface);
  border-radius: 0.4rem;
  border: 1px solid var(--border-soft);
  padding: 1.4rem 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  font-size: 0.9rem;
}

.service-title {
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
}

.service-main {
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

/* Cases */
.case-list {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0;
  font-size: 0.92rem;
}

.case-list li {
  padding: 0.5rem 0.3rem;
  border-bottom: 1px solid var(--border-soft);
  color: #374151;
}

.case-list li:last-child {
  border-bottom: none;
}

.case-list strong {
  font-weight: 600;
  color: var(--text-main);
}

/* Contato */
.contact-card {
  background: var(--bg-surface);
  border-radius: 0.4rem;
  border-left: 3px solid var(--primary);
  border-top: 1px solid var(--border-soft);
  border-right: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  padding: 1.75rem 1.75rem;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 0.15rem rgba(15, 82, 87, 0.2);
}

/* Botões mais sóbrios */
.btn-primary {
  background-color: var(--primary);
  border-color: var(--primary);
  border-radius: 0.35rem;      /* menos arredondado */
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.65rem 1.7rem;
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
}

.btn-outline-secondary {
  border-radius: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 500;
  border-width: 1px;
  border-color: #9ca3af;
  color: #374151;
}

.btn-outline-secondary:hover {
  background-color: #f3f4f6;
  border-color: #6b7280;
  color: #111827;
}

/* Footer: discreto e alinhado com navbar */
footer {
  background: #0f172a;
  border-top: 1px solid #1e293b;
  padding: 1.2rem 0;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: #94a3b8;
}

footer span:last-child {
  color: #cbd5e1;
}

@media (max-width: 767.98px) {
  #home {
    padding-top: 6rem;
    padding-bottom: 3rem;
  }
  .hero-panel {
    margin-top: 2rem;
  }
}