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

body {
  min-height: 100vh;
  background-color: #c9c9c9;
  background-image:
    linear-gradient(to right, rgba(0, 0, 0, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.04) 1px, transparent 1px);
  background-size: 24px 24px;
  font-family: sans-serif;
}

/* RODAPÉ PRINCIPAL */
.site-footer {
  background-color: #1a1a1a;
  color: #d1d5db;
  margin-top: auto;
  border-top: 4px solid #e60012;
}

.footer-container {
  max-width: 1150px;
  margin: 0 auto;
  padding: 40px 20px 30px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 25px;
}

.footer-brand {
  max-width: 360px;
}

.footer-logo {
  height: 42px;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 13px;
  color: #9ca3af;
  line-height: 1.5;
}

/* ÁREA DAS REDES SOCIAIS */
.footer-social {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.social-title {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #f3f4f6;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #2b2b2b;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 18px;
  transition: all 0.25s ease;
  border: 1px solid #3a3a3a;
}

/* Efeitos hover por rede */
.social-btn.github:hover {
  background: #24292e;
  border-color: #ffffff;
  transform: translateY(-3px);
}

.social-btn.linkedin:hover {
  background: #0a66c2;
  border-color: #0a66c2;
  transform: translateY(-3px);
}

.social-btn.instagram:hover {
  background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
  border-color: transparent;
  transform: translateY(-3px);
}

/* FAIXA INFERIOR DE DIREITOS */
.footer-bottom {
  border-top: 1px solid #2d2d2d;
  text-align: center;
  padding: 16px 20px;
  font-size: 12px;
  color: #6b7280;
}

/* RESPONSIVIDADE */
@media (max-width: 640px) {
  .footer-container {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }

  .footer-social {
    align-items: center;
  }
}