/*=============== GOOGLE FONTS ===============*/
@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600&display=swap");

/*=============== VARIABLES CSS ===============*/
:root {
  --header-height: 3.5rem;

  /*========== Colors ==========*/
  /*Color mode HSL(hue, saturation, lightness)*/
  --black-color: hsl(160, 100%, 17%);
  --black-color-light: hsl(162, 100%, 50%);
  --black-color-lighten: hsl(165, 100%, 27%);
  --purple-color-main:  rgba(123, 77, 255, 1);
  --white-color: #fff;
  --black-color: hsl(0, 0%, 0%);
  --body-color: hsl(220, 100%, 97%);

  /*========== Font and typography ==========*/
  /*.5rem = 8px | 1rem = 16px ...*/
  --body-font: "Montserrat", sans-serif;
  --normal-font-size: .938rem;

  /*========== Font weight ==========*/
  --font-regular: 400;
  --font-semi-bold: 600;

  /*========== z index ==========*/
  --z-tooltip: 10;
  --z-fixed: 100;

}

/*========== Responsive typography ==========*/
@media screen and (min-width: 1024px) {
  :root {
    --normal-font-size: 1rem;
  }
}

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

body {
  display: flex;
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
  background-color: var(--body-color);
}
.content{
  display: flex;
  position: absolute;
  top: 100px;
  justify-content: center;
  flex-direction: column;
  align-items: center;
  height: 100vh;
  width: 100%;
}
ul {
  list-style: none;
  /* Color highlighting when pressed on mobile devices */
  /*-webkit-tap-highlight-color: transparent;*/
}

a {
  text-decoration: none;
}

/*=============== REUSABLE CSS CLASSES ===============*/
.container {
    max-width: 1120px;
    margin-inline: 1.5rem;
  }
  
  /*=============== HEADER & NAV ===============*/
  .header{
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    background: var(--black-color);
    z-index: var(--z-fixed);
  }
  .nav-container{
    position: relative;
    height: var(--header-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-left: 1.5em;
    margin-right: 1.5em;
  }
  .nav-logo{
    color: var(--white-color);
    font-weight: 600;
  }
   .nav-logo a{
    align-items: center;
    justify-content: center;
  }
    .nav-logo img{
    max-width: 50px;

  }
  .nav-close,
  .nav-toggle{
    display: flex;
    color: var(--white-color);
    font-size: 1.5em;
    cursor: pointer;
  }
  /* Navigation for mobile devices */
  @media screen and (max-width: 1150px) {
    .nav-menu{
        position: fixed;
        top: 0;
        left: -100%;
        padding: 6em 3.5em 4.5em;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        width: 100%;
        height: 100%;
        background-color: var(--black-color);
        transition: left .4s;
    }
    .nav-item{
        transform: translateX(-120px);
        visibility: hidden;
        transition: transform .4s ease-out, visibility .4s;
    }
    .nav-item:nth-child(1){
        transition-delay: .1s;
    }
    .nav-item:nth-child(2){
        transition-delay: .2s;
    }
    .nav-item:nth-child(3){
        transition-delay: .3s;
    }
    .nav-item:nth-child(4){
        transition-delay: .4s;
    }
    .nav-item:nth-child(5){
        transition-delay: .5s;
    }
  }
  .nav-list,
  .nav-social{
    display: flex;
  }
  .nav-list{
    flex-direction: column;
    row-gap: 3em;
  }
  .nav-link{
    position: relative;
    color: var(--white-color);
    font-size: 1.2em;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    transition: opacity .4s;
  }
  .nav-link i{
    font-size: 2em;
    position: absolute;
    opacity: 0;
    visibility: hidden;
    transition: opacity .4s, visibility .4s;
  }
  .nav-link span{
    position: relative;
    transition: margin .4s;
  }
  .nav-link span::after{
    content: '';
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 0;
    height: 2px;
    background-color: var(--white-color);
    transition: width .4s ease-out;
  }
  /* Animation link on hover */
  .nav-link:hover span{
    margin-left: 2.5em;
  }
  .nav-link:hover i {
    opacity: 1;
    visibility: visible;
  }
  .nav-link:hover span::after{
    width: 100%;
  }
  /* Sibling fade animation */
  .nav-list:has(.nav-link:hover) .nav-link:not(:hover){
    opacity: .4;
  }
  .nav-close{
    position: absolute;
    top: 1em;
    right: 1.5em;
  }
  .nav-social{
    column-gap: 1em;
  }
  .nav-social-link{
    color: var(--white-color);
    font-size: 1.5em;
    transition: transform .4s;
  }
  .nav-social-link:hover{
    transform: translateY(-.25em);
  }
  /* Show menu */
  .show-menu{
    left: 0;
  }
  
  /* Animation link when displaying menu */
  .show-menu .nav-item{
    visibility: visible;
    transform: translateX(0);
  }
 
  /*=============== BREAKPOINTS ===============*/
@media screen and (min-width: 1150px) {
    .header{
        margin-inline: auto;
        box-shadow: 0 6px 0 0 rgba(0, 0, 0, .2);
    }
    .nav-container{
        height: calc(var(--header-height) + 2em);
        margin-left: 1.5em;
        margin-right: 1.5em;
        
    }
    .nav-toggle,
    .nav-close{
        display: none;
    }
    .nav-link{
        font-size: 1em;
    }
    .nav-link i{
        font-size: 1.5em;
    }
    .nav-list{
        flex-direction: row;
        column-gap: 3.5em;
    }
    .nav-menu{
       display: flex;
       align-items: center;
       column-gap: 3.5em;

    }
}
.ul-btn{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 5px solid #262626;
    padding: 20px 40px;
    white-space: nowrap;
    overflow: hidden;
    cursor: pointer;
}
.ul-btn .li-btn{
    position: relative;
    list-style: none;
    font-size: 40px;
    font-weight: 700;
    display: inline-block;
    text-transform: uppercase;
    color: #262626;
    margin: 0 10px;
    top: 0;
    transition: 1s;
}
.ul-btn .li-btn::before{
    content: attr(data-text);
    position: absolute;
    left: 0;
    text-transform: uppercase;
}
.ul-btn .li-btn:nth-of-type(2n+1)::before{
    top: -72px;
}
.ul-btn .li-btn:nth-of-type(2n)::before{
    top: 72px;
}
.ul-btn:hover .li-btn:nth-of-type(2n+1){
    top: 72px;
}
.ul-btn:hover .li-btn:nth-of-type(2n){
    top: -72px;
}


.b-b-main-container{
    position: absolute;
    top: 100px;
    width: 100%;
    height: 500px;
    display: flex;
    flex-direction: row;
    background-image: url("pix/rm251-mind-01.jpg");
    background-repeat: no-repeat;
    background-size: cover;
    align-items: center;
    justify-content: center;
    z-index: 0;
}
.b-b-l{
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 60%;
    padding: 145px;
}
.b-b-r{
    position: relative;
    display: flex;
    height: 500px;
    width: 600px;
    justify-content: center;
    align-items: center;
    padding: 25px;
}
.i-atri{
    font-size: .75em;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.513);
    background-color: rgba(89, 230, 248, 0.3);
    padding: 10px 11px;
    border-radius: 50%;
    outline: none;
    cursor: pointer;
}
.i-atri:nth-child(1){
    position: absolute;
    top: 65px;
    left: 55px;
}

.i-atri:nth-child(2){
    position: absolute;
    top: 240px;
    left: 225px;
}
.i-atri:nth-child(3){
    position: absolute;
    top: 420px;
    left: 75px;
}
.i-atri:nth-child(4){
    position: absolute;
    top: 395px;
    left: 450px;
}
.i-atri:nth-child(5){
    position: absolute;
    top: 72px;
    left: 400px;
}
.b-b-l-h2{
    color: #fff;
    font-size: 2.3em;
    font-weight: 700;
    font-stretch: 1.2em;
    padding: 15px;
    outline: invert;
    background-color: rgba(89, 230, 248, 0.3);
    border-radius: 25px;
    text-transform: uppercase;
}
.b-b-l-p{
    font-size: 1em;
    font-weight: 400;
    color:hsl(162, 100%, 50%);
    font-stretch: expanded;
    padding: 15px;
    backdrop-filter: blur(15px);
    border-radius: 15px;
    text-align: justify;
    
}
.atri{
    display: flex;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.504);
    padding: 15px;
    width: 350px;
    border-radius: 6px;
    position: absolute;
    top: 95px;
    left: 75px;
    width: 350px;
    visibility: hidden;
    opacity: 0;
    text-align: justify;
    line-height: 1em;

}
.show_atri{
    z-index: 11;
    transition: .2s ease-in;
    opacity: 1;
    visibility: visible;
}
 .atri-links{
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;

}
.atri-title{
    font-size: 1.25em;
    color: aquamarine;
    font-weight: 600;
    text-transform: uppercase;
    padding: 10px;
}
.atri-desc{
    font-size: .75em;
    color: hsl(162, 100%, 50%);
    padding-bottom: 10px;
    line-height: 1.5em;
}
.btn-link{
    position: relative;
    display: flex;
    text-transform: uppercase;
    font-size: 1.2em;
    font-weight: 600;
    padding: 15px 20px;
    border-radius: 20px;
    cursor: pointer;
    color: #b8b8ff;
    background: rgba(255, 255, 255, 0.3);
    transition: .3s;

}
.b-b-l-btn{
    display: flex;
    flex-direction: row;
    width: 100%;
    align-items: flex-end;
    justify-content: flex-end;
}
.btn-link a {
    color: #fff;
    background: rgba(255, 255, 255, 0.3);
    padding: 5px;
    border-radius: 6px;
    cursor: pointer;
}
.pix-holder{
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: center;
}
.item-pix{
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
}
.item-holder{
    z-index: 1;
    position: absolute;
    top: 80px;
    left: 0;
    display: flex;
    width: 600px;
}
.atri-links a{
    position: relative;
    color: #b8b8ff;
    text-transform: uppercase;
    font-size: .75em;
    font-weight: 600;
    padding: 5px 10px;
    border-radius: 7px;
    background: rgba(255, 255, 255, 0.3);
    row-gap: 15px;
    cursor: pointer;
    margin-left: 15px;
    margin-right: 15px;
}