styles.css

.intro-content {
  position: relative;
  /*top: -8rem;*/
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--gap);
  min-height: 100vh;
}

.intro-text-content,
.intro-img {
  display: flex;
  flex-flow: row wrap;
  justify-content: center;
}

.intro-img img,
.intro-img svg {
  max-width: 100%;
  min-height: auto;
}

.top3-content {
  max-width: 64rem;
  display: flex;
  flex-direction: column;
  flex-wrap: nowrap;
  justify-content: center;
  min-height: 100vh;
  text-align: center;
}

.grid-one-content {
  display: flex;
  flex-flow: column wrap;
  justify-content: center;
  min-height: 100vh;
}

.grid-main-heading {
  margin-bottom: 1rem;
}

.grid-description {
  padding-bottom: 5rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat (3, 1fr);
  gap: var(--gap);
  counter-reset: gridCounter;
}

.grid h3 {
  font-size: 3rem;
  position: relative;
  padding-left: 5rem;
  padding-bottom: 2rem;
}

.grid h3::before {
  counter-increment: gridCounter;
  content: counter(gridCounter);
  position: absolute;
  font-size: 8rem;
  font-style: italic;
  top: -4rem;
  left: -2rem;
  transform: rotate(5deg);
}

.gallery-img {
  width: 100%;
  max-width: 36rem;
  max-height: 36rem;
  overflow: hidden;
}

.gallery-img img {
  transition: all 300ms ease-in-out;
}

.gallery-img img:hover {
  transform: translate(-3%, 3%) scale(1.2) rotate(5deg);
}

.contact-form {
  grid-column: span 2;
}

.contact-form .form-grid {
  border: none;
  display: flex;
  flex-direction: row; /*pode por flex-flow: row wrap;*/
  flex-wrap: wrap; /*pode por flex-flow: row wrap;*/
  gap: var(--gap);
}

.form-grid legend {
  font-style: italic;
  font-size: 1.6rem;
  margin-bottom: 3rem;
}

.form-group {
  flex: 1 1 320px;
}
.form-group label {
  display: block;
  margin-bottom: 1rem;
}

.form-group input,
.form-group textarea {
  border: none;
  background: var(--white-color);
  padding: 1.5rem 2rem;
  width: 100%;
  font-size: 3rem;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  box-shadow: 0 0 10px 2px var(--secondary-color);
}

.form-group button {
  border: 0.5rem solid var(--white-color);
  background: none;
  color: var(--white-color);
  padding: 1.5rem 2rem;
  font-size: 3rem;
  cursor: pointer; /*cursor quando passa o mouse*/
  transition: all 300ms ease-in-out; /*efeito ao passar o mouse*/
}

.form-group button:hover {
  /*efeito inverter cores*/
  background: var(--white-color);
  color: var(--primary-color);
}

.form-group ::placeholder {
  color: var(--light-gray-color);
}

.footer {
  text-align: center; /*alinhar o texto no centro*/
  font-size: 1.6rem;
}

.footer a {
  color: var(--primary-color);
}

.heart {
  color: var(--secondary-color);
}

.footer p {
  margin: 0;
  padding: 3rem;
}

.close-menu { /*sobrepor todas as telas position: fixed;
  z-index: 2;
  top: 0;
  left: 0;*/
  display: none;
}

.back-to-top { /*botao voltar para o topo*/
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--white-color);
  width: 5rem;
  height: 5rem;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  color: var(--primary-color);
  transform: rotate(-90deg);
  border: 0.1rem solid var(--primary-color);
  text-decoration: none;
}

@media (max-width: 800px) {
  .intro-content,
  .grid {
    grid-template-columns: 1fr;
  }
  .gallery-img {
    width: 100%;
    max-width: 100%;
    min-width: 100%;
    overflow: hidden;
  }

  .gallery-img img {
    width: 100%;
  }

  .grid-one-content {
    display: block;
  }

  .menu { /*alinhar menu para mobile*/
    bottom: 0;
    text-align: center;
  }

  .menu-content, .menu-content ul {
    flex-direction: column; /*responrividade mobile*/
    
    justify-content: center;
  }

  .menu-content { /*menu no meio da tela*/
    height: 100vh;
  }

  .menu {
    display: none;
  }


  .close-menu-label::after { 
    content: '☰'; /*tres riscos do menu*/
    position: fixed;
    z-index: 2;
    top: 1rem;
    right: 2rem;
    background: var(--primary-color);
    color: var(--white-color);
    font-size: 3rem; 
    line-height: 3rem;
    width: 3rem;
    height: 3rem;
    text-align: center;
    padding: 0.5rem;
    cursor: pointer;
  }

  .close-menu:checked~.menu { /*×*/
    display: block;
  }

  .close-menu:checked~.close-menu-label::after { 
    content: '×'; /*tres riscos do menu vai mudar para X*/
  }

  .menu-spacing {
    display: none;
  }
}