/*=====google fonts=====*/

@import url('https://fonts.googleapis.com/css2?family=Work+Sans:wght@300;700&display=swap');

/*===== VARIABLES CSS =====*/

:root{
  --header-height: 3rem;
  --font-semi: 600;
}

/*=== Background color====*/

body {
  background-color: #0f1112;
}

/*===== Colores =====*/

:root{
  --first-color: #2F9EDB;
  --second-color: #E3E4E4;
;
}

:root{
  --body-font: 'Work Sans', sans-serif;
  --big-font-size: 1.9rem;
  --h2-font-size: 1.25rem;
  --normal-font-size: 0.938rem;
}
@media screen and (min-width: 768px){
  :root{
    --big-font-size: 3.5rem;
    --h2-font-size: 2rem;
    --normal-font-size: 1rem;
  }
}


:root{
  --mb-1: 0.5rem;
  --mb-2: 1rem;
  --mb-3: 1.5rem;
  --mb-4: 2rem;
  --mb-5: 2.5rem;
  --mb-6: 3rem;
}


:root{
  --z-back: -10;
  --z-normal: 1;
  --z-tooltip: 10;
  --z-fixed: 100;
}


/*base*/

html{
  scroll-behavior: smooth;
}
body{
  margin: var(--header-height) 0 0 0;
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
  color: var(--second-color);
}
h1,h2,p{
  margin: 0;
}
ul{
  margin: 0;
  padding: 0;
  list-style: none;
}
a{
  text-decoration: none;
}
img{
  max-width: 100%;
  height: auto;
  display: block;
}


/*css class */
.section-title{
  position: relative;
  font-size: var(--h2-font-size);
  color: var(--second-color);
  margin-top: var(--mb-4);
  margin-bottom: var(--mb-4);
  text-align: center;
}
.section-title::after{
  position: absolute;
  content: "";
  width: 64px;
  height: 0.18rem;
  left: 0;
  right: 0;
  margin: auto;
  top: 2rem;
  background-color: var(--first-color);
}
.section{
  padding-top: 1rem;
  padding-bottom: 2rem;
}

/*layout*/
.bd-grid{
  max-width: 1024px;
  display: grid;
  grid-template-columns: 100%;
  grid-column-gap: 2rem;
  width: calc(100% - 2rem);
  margin-left: var(--mb-2);
  margin-right: var(--mb-2);
}
.l-header{
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: var(--z-fixed);
  background-color: black;
  box-shadow: 0 5px 8px rgba(146,161,176,.25);
}

/* scroll bar */
::-webkit-scrollbar {
  width: 15px;
}

::-webkit-scrollbar-track {
  background-color: rgb(90, 90, 90);
  border-radius: 50px;
}

::-webkit-scrollbar-thumb {
  border-radius: 100px;
  background: linear-gradient(transparent, rgb(167, 162, 162));
}
::-webkit-scrollbar-thumb:hover {
  border-radius: 100px;
  background: linear-gradient(transparent, rgb(15, 15, 15));
}

/*nav*/
.nav{
  height: var(--header-height);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: var(--font-semi);
}
@media screen and (max-width: 768px){
  .nav__menu{
    position: fixed;
    top: var(--header-height);
    right: -100%;
    width: 80%;
    height: 100%;
    padding: 2rem;
    background-color: #000000;
    transition: 1s;
  }
}
.nav__item{
  margin-bottom: var(--mb-4);
}
.nav__link{
  position: relative;
  color: #fff;
}
.nav__link:hover{
  position: relative;
}
.nav__link:hover::after{
  position: absolute;
  content: "";
  width: 100%;
  height: 0.18rem;
  left: 0;
  top: 2rem;
  background-color: #fff;
}
.nav__logo{
  color: var(--second-color);
  font-size: 50px;
}
.nav__toggle{
  color: var(--second-color);
  font-size: 1.5rem;
  cursor: pointer;
}

/*Active menu*/
.active::after{
  position: absolute;
  content: "";
  width: 100%;
  height: 0.18rem;
  left: 0;
  top: 2rem;
  background-color: #fff;
}

/*show menu*/
.show{
  right: 0;
}

/*home*/
.home{
  height: calc(100vh - 3rem);
  row-gap: 1rem;
}
.home__data{
  align-self: center;
}
.home__title{
  font-size: var(--big-font-size);
  margin-bottom: var(--mb-5);
}
.text-1{
  font-size: 45px;
  font-weight: 80;
}
.text-2{
  font-size: 45px;
  font-weight: 550;
}

.home__title-color{
  color: var(--first-color);
}

.home__social{
  display: flex;
  flex-direction: column;
}
.home__social-icon{
  width: max-content;
  margin-bottom: var(--mb-2);
  font-size: 1.5rem;
  color: var(--second-color);
}
.home__social-icon:hover{
  color: var(--first-color);
}
.home__img{
  position: absolute;
  right: 0;
  bottom: 0;
  width: 200px;
}

/*buttons*/
.button{
  position: relative;
  text-align: center;
  width: 80px;
  padding: .6rem 2.5rem;
  font-size: 20px;
  color: #2F9EDB;
  font-weight: var(--font-semi);
  border: 5px solid #2F9EDB;
  cursor: pointer;
  border-radius: 5rem;
  margin:30px;
}
.button:hover{
  box-shadow: 0 .5px 10px 0 #2F9EDB inset, 0 .5px 10px 0 #2F9EDB,
              0 .5px 10px 0 #2F9EDB inset, 0 .5px 10px 0 #2F9EDB;
  text-shadow: 0 0 .5px #2F9EDB, 0 0 .5px #2F9EDB;
}

/* about*/
.about__container{
  row-gap: 2rem;
  text-align: center;
}
.about__subtitle{
  margin-bottom: var(--mb-2);
}
.about__img{
  justify-self: center;
}
.about__img img{
  width: 200px;
  border-radius: .5rem;
}
.about__text{
  margin-bottom: var(--mb-4);
  text-align: justify;
}
.details_heading{
  margin: 10px;
  margin-top: 5%;
  font-size: 20px;
  font-weight: bold;

}
.details{
  color: var(--second-color);
  font-size: var(--normal-font-size);
  font-weight: normal;
}
.padd-15{
    padding-left: 15px;
    padding-right: 15px;
}

.education_timeline{
  margin-top: 5%;
}
.edu_heading{
  text-align:center;
}

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

.details_heading1{
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 2%;
}

.container {
  min-height: 100px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 0;
  background-color: #111;
}
.timeline {
  width: 1000px;
  height: auto;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.timeline ul {
  list-style: none;
}
.timeline ul li {
  padding: 20px;
  background-color: #1e1f22;
  color: white;
  border-radius: 10px;
  margin-bottom: 20px;
}
.timeline ul li:last-child {
  margin-bottom: 0;
}
.timeline-content h1 {
  font-weight: 500;
  font-size: var(--normal-font-size);
  margin-bottom: 10px;
}
.timeline-content p {
  font-size: var(--normal-font-size);
  line-height: 30px;
  font-weight: 300;
}
.timeline-content .date {
  font-size: 12px;
  font-weight: 300;
  margin-bottom: 10px;
  letter-spacing: 2px;
}
@media only screen and (min-width: 768px) {
  .timeline:before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background-color: gray;
  }
  .timeline ul li {
    width: 50%;
    position: relative;
    margin-bottom: 50px;
  }
  .timeline ul li:nth-child(odd) {
    float: left;
    clear: right;
    transform: translateX(-30px);
    border-radius: 20px 0px 20px 20px;
  }
  .timeline ul li:nth-child(even) {
    float: right;
    clear: left;
    transform: translateX(30px);
    border-radius: 0px 20px 20px 20px;
  }
  .timeline ul li::before {
    content: "";
    position: absolute;
    height: 20px;
    width: 20px;
    border-radius: 50%;
    background-color: gray;
    top: 0px;
  }
  .timeline ul li:nth-child(odd)::before {
    transform: translate(50%, -50%);
    right: -30px;
  }
  .timeline ul li:nth-child(even)::before {
    transform: translate(-50%, -50%);
    left: -30px;
  }
  .timeline-content .date {
    position: absolute;
    top: -30px;
  }
  .timeline ul li:hover::before {
    background-color: var(--first-color);
  }
}

*,::before,::after{
  box-sizing: border-box;
}

/*skills*/
.skills__container{
  row-gap: 2rem;
  text-align: center;
}
.skills__subtitle{
  margin-bottom: var(--mb-2);
}
.skills__text{
  margin-bottom: var(--mb-4);
  text-align: justify;
}
.skills__data{
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  font-weight: var(--font-semi);
  padding: .5rem 1rem;
  margin-bottom: var(--mb-4);
  border-radius: .5rem;
  box-shadow: 0 4px 25px rgba(14,36,49,.15);
}
.skills__icon{
  font-size: 2rem;
  margin-right: var(--mb-2);
  color: var(--first-color);
}
.skills__names{
  display: flex;
  align-items: center;
}
.skills__bar{
  position: absolute;
  left: 0;
  bottom: 0;
  background-color: var(--first-color);
  height: .25rem;
  border-radius: .5rem;
  z-index: var(--z-back);
}
.skills__python{
  width: 70%;
}
.skills__ml{
  width: 65%;
}
.skills__dl{
  width: 50%;
}
.skills__rl{
  width: 50%;
}
.skills__img{
  border-radius: .5rem;
}

/* work*/
.work__container{
  row-gap: 2rem;


}
.work__container{
  row-gap: 2rem;
}
.work__img{
  box-shadow: 5px 4px 25px rgba(14,36,49,.5);
  border-radius: .8rem;
  overflow: hidden;
  border: 2px solid #fff;
}
.work__img img{
  transition: 1s;
  cursor: pointer;
}
.work__img img:hover{
  transform: scale(1.2);
}
.work_text{
  width: 200px;
  padding: 10px;
  margin: 5px;
  color: var(--second-color);
}

.work__nav {
  text-align: center;
  margin-bottom: 2em;
}

.work__item {
  margin: 0 1em;
  cursor: pointer;
}


.active-portfolio {
  color: #2f9edb;
  font-weight: bold;
}


/*contact*/
.contact__input{
  background-color: #1e1f22;
  color: var(--second-color);
  width: 100%;
  font-size: var(--normal-font-size);
  font-weight: var(--font-semi);
  padding: 1rem;
  border-radius: 1rem;
  border: 1.5px solid var(--second-color);
  outline: none;
  margin-bottom: var(--mb-4);
}
.contact__button{
  background-color: #020D0D;
  color: #2F9EDB;
  padding: .6rem 2.5rem;
  font-weight: var(--font-semi);
  border-radius: .5rem;
  border: 5px solid #2F9EDB;
  position: relative;
  display: block;
  font-size: var(--normal-font-size);
  border-radius: 5rem;
  cursor: pointer;
  margin-left: auto;

}

.contact__button:hover{
  box-shadow: 0 .5px 10px 0 #2F9EDB inset, 0 .5px 10px 0 #2F9EDB,
              0 .5px 10px 0 #2F9EDB inset, 0 .5px 10px 0 #2F9EDB;
  text-shadow: 0 0 .5px #2F9EDB, 0 0 .5px #2F9EDB;
}

/* footer*/
.footer{
  background-color: #000000 ;
  color: #fff;
  text-align: center;
  font-weight: var(--font-semi);
  padding: 1rem 0;

}
.footer__title{
  font-size: 2rem;
  margin-bottom: var(--mb-4);
}
.footer__social{
  margin-bottom: var(--mb-4);
}
.footer__icon{
  font-size: 1.3rem;
  color: #fff;
  margin: 0 var(--mb-2)
}

/*====== 404 page ======*/

.error_container {

  text-align: center;
}
.error_head {
  margin: 30px 0;
  font-size: 7em;
  line-height: 1;
  letter-spacing: -1px;
  color:var(--second-color);
}
.error_sub{
  font-size: 1.5em;
  color:var(--second-color);
}

/* ===== MEDIA QUERIES=====*/
@media screen and (min-width: 768px){
  body{
    margin: 0;
  }
  .section{
    padding-top: 4rem;
    padding-bottom: 3rem;
  }
  .section-title{
    margin-bottom: var(--mb-6);
  }
  .section-title::after{
    width: 80px;
    top: 3rem;
  }

  .nav{
    height: calc(var(--header-height) + 1rem);
  }
  .nav__list{
    display: flex;
    padding-top: 0;
  }
  .nav__item{
    margin-left: var(--mb-6);
    margin-bottom: 0;
  }
  .nav__toggle{
    display: none;
  }
  .nav__link{
    color: var(--second-color);
  }

  .home{
    height: 100vh;
  }
  .home__data{
    align-self: flex-end;
  }
  .home__social{
    padding-top: 0;
    padding-bottom: 2.5rem;
    flex-direction: row;
    align-self: flex-end;
  }
  .home__social-icon{
    margin-bottom: 0;
    margin-right: var(--mb-4);
  }
  .home__img{
    width: 330px;
    bottom: 25%;
  }

  .about__container, .skills__container{
    grid-template-columns: repeat(2,1fr);
    align-items: center;
    text-align: initial;
  }
  .about__img img{
    width: 300px;
  }
  .work__container{
    grid-template-columns: repeat(3, 1fr);
    column-gap: 2rem;
  }
  .timeline__container{

  grid-template-columns: repeat(1,1fr);
  align-items: center;
  text-align: initial;

}
  .contact__form{
    width: 360px;
  }
  .contact__container{
    justify-items: center;
  }
}

@media screen and (min-width: 1024px){
  .bd-grid{
    margin-left: auto;
    margin-right: auto;
  }
  .home__img{
    right: 10%;
  }
}