:root {
  --primary: #0d6efd;
  --primary-dark: #0a58ca;
  --primary-darker: #063376;
  --dark: #111;
  --dark-transparent: rgba(17, 17, 17, 0.9);
  --light: #fff;
  --gray: #f2f2f2;
  --gray-dark: #7a7a7a;
  --gray-darker: #4a4a4a;
  --gray-light: #e6e6e6;
}

body {
  color: var(--dark);
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
}

.header {
  background: var(--dark);
  color: var(--light);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.menu {
  display: flex;
  gap: 1rem;
}

.menu-toggle {
  display: none;
}

.hero {
  background: var(--gray-darker);
  color: var(--light);
  padding: 4rem 0;
  text-align: center;
}

.section {
  padding: 3rem 0;
}

.section.gray {
  background: var(--gray);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--light);
  padding: 2rem;
  border-radius: 6px;
}

.btn {
  display: inline-block;
  background: var(--dark);
  color: var(--light);
  padding: 0.75rem 1.5rem;
  margin-top: 1rem;
  border-radius: 4px;
}

.footer {
  background: var(--gray-darker);
  color: var(--light);
  padding-top: 1rem;
}

.footer-top {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding: 2rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

.footer-left,
.footer-center,
.footer-right {
  text-align: center;
}

.footer-center {
  border-left: 1px solid rgba(255, 255, 255, 0.3);
  border-right: 1px solid rgba(255, 255, 255, 0.3);
}

.footer-center ul {
  margin-top: 1rem;
  list-style: none;
  padding: 0;
}
.footer-center ul li {
  margin-bottom: 0.5rem;
}

.footer-center ul li:hover {
  background: var(--gray-dark);
  cursor: pointer;
}

.footer-base {
  background: var(--dark);
  color: var(--light);
  text-align: center;
  padding: 1rem;
  font-size: 0.9rem;
  margin-top: 1rem;
}

.input,
.textArea {
  width: 100%;
  padding: 0.75rem;
  margin-top: 0.5rem;
  border: 1px solid #ccc;
  border-radius: 4px;
}

.input:focus,
.textArea:focus {
  border-color: var(--primary);
  outline: none;
}

input[type="submit"] {
  background: var(--primary);
  color: var(--light);
  border: none;
  cursor: auto;
}

input[type="submit"]:hover {
  background: #0a58ca;
  cursor: pointer;
}

input[type="submit"]:active {
  background: #063376;
}

.social-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  width: 40px;
  height: 40px;

  border-radius: 50%;

  color: var(--light);
  font-size: 1.5rem;

  transition: background 0.3s ease;
}

.facebook:hover {
  background: #1877f2;
}
.twitter:hover {
  background: #1da1f2;
}
.instagram:hover {
  background: #e1306c;
}
.linkedin:hover {
  background: #0077b5;
}
.social-icons a:hover {
  filter: brightness(0.85);
}

.footer-right {
  height: 100%;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
}

/* Responsivo */
@media (max-width: 768px) {
  .menu {
    display: none;
    flex-direction: column;
    background: var(--dark-transparent);
    position: absolute;
    top: 5rem;
    right: 0;
    padding: 1rem;
    width: 50dvw;
  }

  .menu.active {
    display: flex;
  }

  .menu-toggle {
    display: block;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
  }
  .social-icons {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
  }
  .footer-top {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-center {
    border-left: none;
    border-right: none;
    padding-top: 1rem;
    padding-bottom: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  }

  .footer-center ul li {
    background-color: var(--primary-dark);
    border: 1px solid rgba(255, 255, 255, 0.3);
  }

  .footer-right {
    gap: 1rem;
  }

  .footer-left h1 {
    font-size: 1.5rem;
  }
  .facebook {
    background: #1877f2;
  }
  .twitter {
    background: #1da1f2;
  }
  .instagram {
    background: #e1306c;
  }
  .linkedin {
    background: #0077b5;
  }
  .social-icons a {
    filter: brightness(0.85);
  }
}