* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
}

body {
  background: #0d1117;
  color: #e6edf3;
  padding-bottom: 40px; /* espaço para footer fixo */
}

.site-header {
  position: fixed;
  width: 100%;
  top: 0;
  background: rgba(13, 17, 23, 0.95);
  backdrop-filter: blur(8px);
  padding: 14px 40px;
  z-index: 999;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo img {
  height: 45px;
}

/* MENU DESKTOP FORÇADO HORIZONTAL */
.main-nav ul {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 25px;
  list-style: none;
}

.main-nav li {
  display: inline-block;
}

.main-nav a {
  color: #ffffff;
  text-decoration: none;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: color 0.3s ease;
}

.main-nav a:visited {
  color: #ffffff;
}

.main-nav a:hover {
  color: #3fb950;
}

.social-icons {
  display: flex;
  align-items: center;
  gap: 0px;
}

.social-icons a {
  display: inline-flex;
  margin: 0;
  padding: 0;
  line-height: 0;
}

.social-icons img {
  width: 50px;
  height: auto;
  display: block;
}

.hero {
  position: relative;
  height: 100vh;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero-home {
  background-image: url("assets/images/foto1.jpg.png");
}

.hero-empresa {
  background-image: url("assets/images/foto2.jpg.png");
}

.hero-atuacao {
  background-image: url("assets/images/foto3.jpg.png");
}

.hero-processos {
  background-image: url("assets/images/foto4.jpg.png");
}

.overlay {
  position: absolute;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.7);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  padding: 0 20px;
}

.hero-content h1 {
  font-size: 42px;
  font-weight: 500;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.hero-content p {
  font-size: 18px;
  font-weight: 300;
  line-height: 1.6;
  color: #c9d1d9;
}

/* FOOTER FIXO MINIMALISTA */
footer {
  position: fixed;
  bottom: 0;
  width: 100%;
  background: #0d1117;
  text-align: center;
  padding: 6px 0;
  font-size: 10px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

footer a {
  color: #ffffff;
  text-decoration: none;
  font-weight: 400;
  transition: color 0.3s ease;
}

footer a:visited {
  color: #ffffff;
}

footer a:hover {
  color: #3fb950;
}

.whatsapp-btn {
  position: fixed;
  right: 20px;
  bottom: 60px; /* ajustado por causa do footer fixo */
  background: #25D366;
  color: white;
  padding: 12px 18px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: bold;
}

@media (max-width: 768px) {

  .site-header {
    padding: 12px 15px;
  }

  .header-container {
    flex-direction: column;
    align-items: center;
  }

  .logo {
    align-self: flex-start;
    margin-bottom: 10px;
  }

  .logo img {
    height: 40px;
  }

  .social-icons {
    gap: 2px;
    margin-bottom: 10px;
  }

  .social-icons img {
    width: 40px;
  }

  .main-nav ul {
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 15px;
    flex-wrap: nowrap;
  }

  .main-nav a {
    font-size: 12px;
  }

}