/* === VARIÁVEIS DE COR === */
:root {
  --bg: #0F1115;
  --text: #F5F5F5;
  --muted: #C7C7C7;
  --gold: #D4AF37;
  --gold-20: rgba(212, 175, 55, 0.2);
  --border: #242836;
}

/* === RESET === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
}

/* === CONTAINER PADRÃO === */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
}

/* === CABEÇALHO === */
.site-header {
  background: rgba(15, 17, 21, 0.95);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand-title {
  font-size: 20px;
  font-weight: bold;
  color: var(--text);
}
.brand-tagline {
  font-size: 14px;
  color: var(--muted);
}

/* === MENU === */
.menu {
  list-style: none;
  display: flex;
  gap: 30px;
}
.menu li a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}
.menu li a:hover {
  color: var(--gold);
}

/* === HERO === */
.hero {
  background: url('https://arsistemas.com.br/bg-predios.jpg') no-repeat center center;
  background-size: cover;
  padding: 100px 20px;
  text-align: center;
}
.hero h1 {
  font-size: 42px;
  color: var(--text);
}
.hero p {
  font-size: 18px;
  color: var(--muted);
  margin-top: 10px;
}

/* === SERVIÇOS === */
.services {
  padding: 60px 20px;
  background: var(--bg);
}
.services-inner {
  text-align: center;
}
.section-title {
  font-size: 28px;
  color: var(--gold);
  margin-bottom: 40px;
}
.services-grid {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
  justify-content: center;
}
.service-card {
  background: #151821;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 30px;
  width: 300px;
  text-align: center;
}
.service-icon {
  margin-bottom: 20px;
}
.service-title {
  font-size: 18px;
  color: var(--gold);
  margin-bottom: 10px;
}
.service-text {
  font-size: 14px;
  color: var(--muted);
}

/* === CONTATO === */
.contact {
  padding: 60px 20px;
  background: var(--bg);
}
.contact-inner {
  text-align: center;
}
.contact-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 30px;
}
.contact-label {
  font-weight: bold;
  color: var(--gold);
}
.contact-value {
  color: var(--text);
  font-size: 14px;
}
.contact-value a {
  color: var(--text);
  text-decoration: none;
}
.contact-value a:hover {
  color: var(--gold);
}

/* === RODAPÉ === */
.site-footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 40px 20px;
  text-align: center;
}
.footer-inner {
  margin-bottom: 20px;
}
.footer-address,
.footer-phone {
  color: var(--muted);
  font-size: 14px;
}
.footer-copy small {
  color: var(--muted);
  font-size: 12px;
}

/* === RESPONSIVO === */
@media (max-width: 768px) {
  .menu {
    flex-direction: column;
    gap: 15px;
  }
  .services-grid {
    flex-direction: column;
    align-items: center;
  }
}