:root {
  /*? Colores */
  --gradient_background: radial-gradient(45.05% 20% at 98% 5%, #3a09ffc6 0%, rgba(255, 255, 255, 0) 80%), linear-gradient(150deg, #76f3ff 5%, #3232fff5 95%);
  --white: #fff;
  --black: #000;
  --dark_blue: #002023;
  --medium_blue: #0707b7d6;
  --light_red: #fc4680;
  --dark_yellow: #ffc57d;
  --light_yellow: #ffffcc;
  --hightlight: #ff6e9e;
  /*? Fuentes */
  --textFont: 'Barlow', sans-serif;
  --secondFont: 'Montserrat', sans-serif;
  --boldFont: 'Poppins', sans-serif;
  --titulo1: bold 84px/103.70px var(--boldFont);
  --titulo2: bold 34px/36px var(--secondFont);
  --titulo3: bold 24px/8px var(--secondFont);
  --titulo4: bold 17px/28px var(--secondFont);
  --parrafo1: normal 18px/28px var(--textFont);
  --parrafo2: normal 16px/28px var(--secondFont);
  --form_button: bold 16px/22px var(--boldFont);
  } 
  ::selection {
    background-color: var(--hightlight);
  }
  ::-moz-selection {
    background-color: var(--hightlight);
  }
  /*! General */
  body {
    background: var(--gradient_background);
    min-block-size: 100vh;
    font-family: verdana;
    margin: 0;
    padding: 0;
    color: var(--white);
    overflow-x: hidden;
  }
  #wrapper {
    max-inline-size: 1200px;
    padding-inline-start: 16px;
    padding-inline-end: 16px;
    margin: auto;
  }
  html {
    scroll-behavior: smooth;
  }
  /*! Botones */
  .tests_button {
    position: relative;
    display: inline-block;
    overflow: hidden;
    z-index: 1;
    font: var(--titulo3);
    font-size: 1.4rem;
    color: var(--light_yellow);
    border: 2px solid var(--light_yellow);
    border-radius: 2px;
    padding: 20px 30px;
    text-decoration: none;
    text-align: center;
  }
  /*! Botones hover */
  .tests_button:hover {
    color: var(--dark_blue);
  }
  .tests_button::after {
    content: "";
    background: var(--light_yellow); 
    position: absolute;
    z-index: -1;
    padding: 16px 20px;
    display: block !important;
    left: -20%;
    right: -20%;
    top: 0;
    bottom: 0;
    transform: skewX(-45deg) scale(0, 1);
    transition: all 0.4s ease;
  }
  .tests_button:hover::after {
    transition: all 0.4s ease-out;
    transform: skewX(-45deg) scale(1, 1);
  }
  /** Menu de Navegacion PC */
  #header {
    z-index: 1;
    position: sticky;
    top: 0;
    backdrop-filter: blur(15px);
    z-index: 2; 
  }
  #header-content {
    display: flex;
    justify-content: space-between;
    align-items: right;
    block-size: 100px;
  }
  #nav-menu {
    margin-top: 20px;
  }
  #nav-menu ul  {
    display: flex;
    list-style: none;
    gap: 50px;
  }
  #nav-menu ul li {
    animation-name: opening;
    animation-duration: 1.6s;
    animation-timing-function: ease-in-out;
  }
  #nav-menu ul a {
    font-family: var(--boldFont);
    font-size: 1.1rem;
    text-decoration: none;
    text-transform: uppercase;
    color: var(--white);
    transition: all 0.7s;
  }
  #nav-menu ul a:hover{
    color: var(--dark_blue);
    font-weight: bold;
    text-decoration: underline;
  }
  .logo {
    margin-left: 1.2rem;
    margin-top: 0.3rem;
    width: 92px;
    animation-name: opening;
    animation-duration: 1.6s;
    animation-timing-function: ease-in-out;
    border-radius: 50%;
  }
  /** Menu de Navegacion Mobile  */
  .menu-mobile {
    display: none;
  
  }
  #hamburger-button svg{
    margin-inline-end: 1.1rem;
  }
  .menu-mobile a:hover svg {
    fill: var(--dark_blue);
  }
  .menu-mobile .header-menu {
    display: flex;
    width: 100%;
    flex-direction: row;
    align-items: center;
    justify-content: space-evenly;
    align-content: center;
  }
  .menu-mobile .header-menu .logo-menu {
    flex-grow: 2;
    text-align: center;
  }
  .menu-mobile .header-menu .logo-menu img {
    width: 220px;
  }
  #menu-mobile-items ul {
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
  }
  #menu-mobile-items ul li {
    text-align:center;
    list-style: none;
  }
  #menu-mobile-items ul li a {
    padding: 20px 0;
    display: inline-block;
    text-decoration: none;
    color: #000;
    font-size: 1.1rem;
    font-family: var(--secondFont);
    transition: all 0.7s;
  }
  #menu-mobile-items ul li a:hover {
    color: var(--white);
    font-weight: bold;
  }
  /*? Menu Cerrado */
  .menu-mobile-close {
    display: none;
  
  }
  @media (max-width: 846px) {
    #header {
      display: none;
    }
    .menu-mobile {
      display: block;
      z-index: 2;
      position: relative;
      backdrop-filter: blur(15px);
    }
  }

/** Portada Principal (cover) */
.cover {
  padding-block-start: 65px;
  padding-block-end: 150px;
}
#main-description h1 {
  font: var(--titulo1);
  margin: 0;
  color: var(--dark_blue);
}
#main-description p {
  text-align: justify;
  font: var(--parrafo1);
  font-weight: bold;
  color: var(--dark_blue);
  letter-spacing: 1.1px;

}
#main-description {
  display: flex;
  flex-direction: column;
}
#main-image {
  text-align: center;
}
#main-image img {
  border-radius: 12px;
  max-inline-size: 100%;
  height: auto;
  transition: all 0.7s;
  filter: drop-shadow(20px 15px 0px var(--dark_blue));
}
#div-main-button {
  padding-block-end: 24px;
  display: block;
  margin-top: 14px; 
}
#div-main-button a {
  display: block;
  text-align: center;
}
@keyframes opening {
  0% {
    transform: scale(0)  ;
    -webkit-transform: scale(0)  ;
    -moz-transform: scale(0)  ;
    -ms-transform: scale(0)  ;
    -o-transform: scale(0)  ;
  }
  100% {
    transform: scale(1)  ;
    -webkit-transform: scale(1)  ;
    -moz-transform: scale(1)  ;
    -ms-transform: scale(1)  ;
    -o-transform: scale(1)  ;
  }
}
/*? Portada Principal (cover) - Responsive */
@media screen and (min-width: 845px) {
  .cover {
    display: flex;
    gap: 28px;
  }
  #main-image {
    order: 2;
    flex: 1;
    text-align: end;
  }
  #main-image img {
    inline-size: 460px;
    block-size: 464px;
  }
  #main-description {
    order: 1;
    max-inline-size: 475px;
  }
}
@media screen and (max-width: 678px) {
  #main-image img{
    inline-size: 348px;
    block-size: 342px;
    margin-block-end: 130px;
  }
  #main-description h1 {
    font-size: 78px;
  }
}
@media screen and (min-width: 1024px){
  #main-image img{
    inline-size: 500px;
    block-size: 504px;
  }
}
/** Gallery Tests */
.tests_gallery {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
}
.tests_gallery:not(:first-of-type) {
  margin-block-start: 180px;
}
.tests_gallery:last-of-type {
  margin-block-end: 150px;
}

.title-test {
  font: var(--titulo2)!important;
  display: inline-flex;
  align-self: flex-end;
  background: var(--light_red);
  color: var(--white);
  padding-block-start: 6px;
  padding-block-end: 6px;
  padding-inline-start: 20px;
  padding-inline-end: 2px;
  padding-block-end: 14px;
  box-shadow: -8px 8px 0 var(--dark_blue);
 
}
.card-test {
  text-align: justify;
  margin-inline-start: 50px;
  margin-inline-end: 50px;
  display: grid;

}
.card-test h2 {
  text-align: center;
  font: var(--titulo3);
  color: var(--dark_blue);
  background: var(--light_yellow);
  color: var(--dark_blue);
  padding-block-start: 17px;
  padding-block-end: 17px;
  padding-block-end: 14px;
  box-shadow: 8px 8px 0 var(--dark_yellow);
}
.card-test p {
  font: var(--parrafo1);
  color: var(--dark_blue);
}
/*? Tests Gallery - Responsive  */
@media screen and (min-width: 845px) {
  .card-test {
    max-inline-size: 280px;
  }
}
@media screen and (max-width: 845px) {
  .card-test h2 {
    margin-block-start: 50px;
  }
  .title-test:nth-of-type(2)  {
    order:1;
  }
  .card-test  {
    order:2;

}
}

/** Footer */
.footer_content {
  color: var(--white);
  text-align: center;
}
.footer_social {
  display: flex;
  gap: 10px;
  text-align: center;
}
.footer .footer_social {
  justify-content: center;
  padding: 0;
  margin-block-start: 25px;
}
.footer_logo {
  display: none;
}
.button_icon {
  padding: 10px;
  border-radius: 8px;
  border: 2px solid var(--dark_blue);
  background: var(--white);
  text-decoration: none;
  display: inline-block;
  margin-inline-end: 10px;
}
.button_img {
  width: 24px;
}
/*? Footer Responsive */
@media screen and (min-width: 825px) {
  .footer_content {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .footer_logo {
    display: block;
  }
  .footer .footer_social {
    order: 3;
    margin: 0;
    padding: 0;
    text-align: center;
  }
}
@media screen and (min-width: 1024px) {
  .footer_copyright {
    display: flex;
    gap: 6px;
  }
  .footer {
    margin-block-start: 40px;
    margin-block-end: 40px;

  }
}
/** Personalizacion de Barra de Navegacion */
::-webkit-scrollbar {
  width: 15px;
}
::-webkit-scrollbar-track {
  border-radius: 0px;
background: var(--white);
}
::-webkit-scrollbar-thumb {
  border-radius: 80px;
  background: var(--dark_blue);
}