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

html, body {
  height: 100%;            
  margin: 0;
  display: flex;
  flex-direction: column;   
}

main {
  flex: 1;                  
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem;
  background-color: #ececec;
}

.logo {
  max-width: 5rem;
}

.nav-list {
  list-style-type: none;
  display: flex;
  gap: 1rem;
}

.nav-list li a {
  display: inline-block;
  text-decoration: none;
  color: #1c1c11;
  position: relative; 
  transition: transform 0.3s ease, color 0.3s ease;
}

.nav-list li a::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -3px;
  left: 0;
  background-color: #902E15;
  transition: width 0.3s ease;
}

.nav-list li a:hover {
  color: #902E15;
  transform: scale(1.1);
}

.nav-list li a:hover::after {
  width: 100%;
}

.abrir-menu,
.cerrar-menu {
  display: none;
  transition: transform 0.3s ease; 
} 


.abrir-menu:active,
.cerrar-menu:active {
  transform: scale(0.9);
}

section {
  padding: 3rem; 
  text-align:center;
}

footer {
  background-color: #1c1c11;
  color: #ececec;
  text-align: center;
  padding: 1.5rem;
  font-size: 0.95rem;
  margin-top: 2rem;
}

footer p {
  margin: 0;
  letter-spacing: 0.5px;
}

footer strong {
  color: #902E15; 
  transition: color 0.3s ease;
}

@media screen and (max-width: 768px) {

  .abrir-menu,
  .cerrar-menu {
    display: block;
    border: 0;
    font-size: 1.25rem;
    background-color: transparent;
    cursor: pointer;
  } 

  .abrir-menu {
    color: #1c1c11;
  }

  .cerrar-menu {
    color: #ececec;
  }  

  .nav {
    opacity: 0;
    visibility: hidden;
    display: flex;
    flex-direction: column;
    align-items: end;
    gap: 1rem;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    padding: 2rem;
    background-color: #1c1c11;
    box-shadow: 0 0 0 100vmax rgba(0, 0, 0, 0.5); 
    transform: translateX(100%);
    transition: transform 0.4s ease, opacity 0.4s ease;
  }

  .nav.visible {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: end;
  }

  .nav-list li a {
    color: #ececec;
  }

  .nav-list li a:hover {
    color: #902E15;  
  }
}