body.body {
  background: linear-gradient(to bottom, black, #1f2937);
  color: white;
  min-height: 100vh;
  font-family: sans-serif;
  margin: 0;
}

.fade-in {
  animation: fadeIn 0.6s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.header {
  padding: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: black;
  border-bottom: 1px solid #7dd3fc;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.logo {
  font-size: 1.875rem;
  font-weight: bold;
  color: #7dd3fc;
}

.nav {
  display: flex;
  gap: 1.5rem;
}

.nav-link {
  font-size: 1.125rem;
  color: #93c5fd;
  text-decoration: none;
  transition: color 0.3s;
}

.nav-link:hover {
  color: #bfdbfe;
}

.nav-link.active {
  color: #7dd3fc;
  font-weight: 600;
}

.main {
  padding: 2rem;
  max-width: 48rem;
  margin: auto;
}

.title {
  font-size: 2.25rem;
  font-weight: bold;
  color: #bfdbfe;
  margin-bottom: 0.5rem;
}

.subtitle {
  color: #dbeafe;
  margin-bottom: 2rem;
}

.form {
  background: #1f2937;
  padding: 1.5rem;
  border-radius: 1rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.5);
  border: 1px solid #7dd3fc;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.input,
.textarea {
  background-color: #374151;
  color: white;
  padding: 0.75rem;
  border-radius: 0.5rem;
  border: none;
  outline: none;
  width: 100%;
  box-sizing: border-box;
  transition: background-color 0.3s;
}

.input:focus,
.textarea:focus {
  outline: 2px solid #60a5fa;
  background-color: #2d3748;
}

.input:focus ~ .placeholder,
.textarea:focus ~ .placeholder {
  color: #60a5fa;
}

.full {
  grid-column: span 2;
}

.btn {
  background-color: #2563eb;
  color: white;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 0.75rem;
  cursor: pointer;
  transition: background-color 0.3s ease;
  align-self: start;
}

.btn:hover {
  background-color: #1e40af;
}

.resposta {
  margin-top: 1.5rem;
  text-align: center;
  color: #4ade80;
  font-weight: 600;
}

.hidden {
  display: none;
}

.footer {
  background: #111827;
  text-align: center;
  padding: 2rem 1rem;
  margin-top: 3rem;
  color: #bfdbfe;
  border-top: 1px solid #7dd3fc;
  position: relative;
}

.footer-content {
  max-width: 50rem;
  margin: 0 auto;
}

.footer-copy {
  margin-bottom: 0.5rem;
}

.footer-note {
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

.footer-contact,
.footer-social {
  margin-top: 1.5rem;
  padding: 0.5rem 0;
}

.footer-contact h3,
.footer-social h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: #7dd3fc;
}

.footer-contact ul,
.footer-social ul {
  list-style: none;
  padding: 0;
}

.footer-contact li,
.footer-social li {
  margin-bottom: 0.5rem;
}

.footer-contact a,
.footer-social a {
  color: #93c5fd;
  text-decoration: none;
  transition: color 0.3s;
}

.footer-contact a:hover,
.footer-social a:hover {
  color: #bfdbfe;
}

.footer-social .social-icons {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1rem;
}

.footer-social .social-icons li {
  display: inline-block;
}

.footer-social .social-icons img {
  width: 32px; 
  height: 32px;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.footer-social .social-icons img:hover {
  transform: scale(1.1); 
  filter: brightness(1.2); 
}

@media (max-width: 768px) {
  .form-row {
      grid-template-columns: 1fr;
  }

  .footer-content {
      padding: 0 1rem;
  }

  .footer-contact ul,
  .footer-social ul {
      text-align: center;
  }
  
  .footer-social .social-icons {
      gap: 1rem; 
  }
}

.footer {
    background: #111827;
    text-align: center;
    padding: 2rem 1rem;
    margin-top: 3rem;
    color: #bfdbfe;
    border-top: 1px solid #7dd3fc;
    position: relative;
}

.footer-content {
    max-width: 50rem;
    margin: 0 auto;
}

.footer-copy {
    margin-bottom: 0.5rem;
}

.footer-note {
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

.footer-contact,
.footer-social {
    margin-top: 1.5rem;
    padding: 0.5rem 0;
}

.footer-contact h3,
.footer-social h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: #7dd3fc;
}

.footer-contact ul,
.footer-social ul {
    list-style: none;
    padding: 0;
}

.footer-contact li,
.footer-social li {
    margin-bottom: 0.5rem;
}

.footer-contact a,
.footer-social a {
    color: #93c5fd;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-contact a:hover,
.footer-social a:hover {
    color: #bfdbfe;
}

.footer-social .social-icons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 1rem;
}

.footer-social .social-icons li {
    display: inline-block;
}

.footer-social .social-icons img {
    width: 32px; 
    height: 32px;
    transition: transform 0.3s ease, filter 0.3s ease;
}

.footer-social .social-icons img:hover {
    transform: scale(1.1); 
    filter: brightness(1.2); 
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-content {
        padding: 0 1rem;
    }

    .footer-contact ul,
    .footer-social ul {
        text-align: center;
    }
    
    .footer-social .social-icons {
        gap: 1rem; 
    }
}