/*===== GOOGLE FONTS =====*/
@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&display=swap");
/*===== VARIABLES CSS =====*/
:root {
  --header-height: 3rem;
  --font-semi: 600;
  --bold-color: black;
  /*===== Colores =====*/
  /*Purple 260 - Red 355 - Blue 224 - Pink 340*/
  /* HSL color mode */
  --hue-color: 224;
  --first-color: hsl(var(--hue-color), 89%, 60%);
  --second-color: hsl(var(--hue-color), 56%, 12%);
  --text-color-light: hsl(var(--hue-color), 8%, 65%);
  --change-color: black;
  --skills__text: hsl(var(--hue-color), 89%, 60%);
  --skills__data: black;
  /* --skills__icon: hsl(var(--hue-color), 89%, 60%); */
  --skills__names: black;
  --skills__bar: hsl(var(--hue-color), 89%, 60%);
  --h-title-color: black;
  --h-title-bold: blue;
  --button-color: white;
  --body-font: 'Poppins', sans-serif;
  --big-font-size: 2rem;
  --h2-font-size: 1.25rem;
  --h3-font-size: 1.125rem;
  --normal-font-size: .938rem;
  --smaller-font-size: .75rem;
  --revert-color: white;
  --b-white: black;
  /*=================== Font Weight ===================*/
  --font-medium: 500;
  --font-semi-bold: 600;
  /*===== Margenes =====*/
  --mb-2: 1rem;
  --mb-4: 2rem;
  --mb-5: 2.5rem;
  --mb-6: 3rem;
  /*===== z index =====*/
  --z-back: -10;
  --z-fixed: 100;
}

@media screen and (min-width: 968px) {
  :root {
    --big-font-size: 3.5rem;
    --h2-font-size: 2rem;
    --normal-font-size: 1rem;
    --smaller-font-size: .875rem;
  }
}

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

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;
}

li span {
  color: var(--b-white); /* Change nav color */
}

a {
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/*===== CLASS CSS ===== */
.section-title {
  position: relative;
  font-size: var(--h2-font-size);
  color: var(--first-color);
  margin-top: var(--mb-2);
  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: 3rem;
  padding-bottom: 2rem;
}

/*===== LAYOUT =====*/
.bd-grid {
  max-width: 1024px;
  display: grid;
  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: var(--revert-color);
  box-shadow: 0 1px 4px rgba(146, 161, 176, 0.15);
}

/*===== 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: 767px) {
  .nav__menu {
    position: fixed;
    top: var(--header-height);
    right: -100%;
    width: 80%;
    height: 100%;
    padding: 2rem;
    background-color: var(--second-color);
    transition: .5s;
  }
}

.nav__item {
  color: var(--change-color);
  margin-bottom: var(--mb-4);
}

.nav__link {
  color: var(--change-color);
  position: relative;
}

.nav__link:hover {
  color: var(--change-color);
  position: relative;
}

.nav__link:hover::after {
  color: var(--change-color);
  position: absolute;
  content: '';
  width: 100%;
  height: 0.18rem;
  left: 0;
  top: 2rem;
  background-color: var(--first-color);
}

.nav__logo {
  color: var(--b-white);
}

.nav__toggle {
  color: var(--bold-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: var(--bold-color);
}

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

/*===== HOME =====*/
.home {
  position: relative;
  row-gap: 5rem;
  padding: 4rem 0 5rem;
}

.home__data {
  color: var(--bold-color);
  align-self: center;
}

.home__title {
  color: var(--h-title-color);
  font-size: var(--big-font-size);
  margin-bottom: var(--mb-5);
}

.home__title-color {
  color: var(--h-title-bold);
}

.home__social {
  display: flex;
  flex-direction: column;
}

.home__social-icon {
  width: max-content;
  margin-bottom: var(--mb-2);
  font-size: 1.5rem;
  color: var(--first-color);
}

.home__social-icon:hover {
  color: purple;
}

.home__img {
  position: absolute;
  top: 20px;
  right: 0;
  bottom: 140px;
  width: 260px;
}

.home__blob {
  fill: var(--first-color);
}

.home__blob-img {
  width: 300px;
  bottom: 140px;
}

/*BUTTONS*/
.button {
  display: inline-block;
  background-color: var(--first-color);
  color:   var(--button-color);
  padding: .75rem 2.5rem;
  font-weight: var(--font-semi);
  border-radius: .5rem;
  transition: .3s;
}

.button:hover {
  box-shadow: 0px 10px 36px rgba(0, 0, 0, 0.15);
}

/*=========== Variables Dark theme ===========*/
body.dark-theme{
  background-color: black;
  --change-color: white;
  --bold-color: purple;
  --revert-color: black;
  --b-white: white;
  --h-title-bold: purple;
  --h-title-color: white;

  --skills__text: orange;
  --skills__data: gold;
  /* --skills__icon: yellowgreen; */
  --skills__names: rgb(11, 134, 242);
  --skills__bar: rgb(13, 221, 232);


  --button-color: black;
  --first-color: white;
  --title-color: yellow;
  --text-color: white;
  --input-color: white;
  --body-color: white;
  --container-color: white;
}

/*=========== Button Dark/Light ===========*/
.nav__btns{
  display: flex;
  align-items: center;
}

.change-theme{
  font-size: 1.25rem;
  color: var(--title-color);
  margin-right: var(--mb-1);
  cursor: pointer;
}

.change-theme:hover{
  color: var(--first-color);
}

/* ===== ABOUT =====*/
.about__container {
  color: var(--change-color);
  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;
}

/* ===== SKILLS =====*/
.skills__container {
  color: var(--change-color);
  row-gap: 2rem;
  text-align: center;
}

.skills__subtitle {
  margin-bottom: var(--mb-2);
}

.skills__text {
  color: var(--skills__text);
  margin-bottom: var(--mb-4);
}

.skills__data {
  color: var(--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: 0px 4px 25px rgba(91, 163, 205, 0.15);
}

/* .skills__icon {
  font-size: 2rem;
  margin-right: var(--mb-2);
  color: var(--skills__icon);
} */

.skills__names {
  color: var(--skills__names);
  display: flex;
  align-items: center;
}

.skills__bar {
  position: absolute;
  left: 0;
  bottom: 0;
  background-color: var(--skills__bar);
  height: .25rem;
  border-radius: .5rem;
  z-index: var(--z-back);
}

/** Back End **/
.skills__java {
  width: 88%;
}

.skills__python {
  width: 93%;
}

.skills__c {
  width: 85%;
}

.skills__cplus {
  width: 80%;
}

/** Back End **/

.skills__html {
  width: 87%;
}

.skills__css {
  width: 83%;
}

.skills__js {
  width: 78%;
}

/** Others **/

.skills__r {
  width: 88%;
}

.skills__matlab {
  width: 87%;
}

.skills__vim{
  width: 90%;
}

.skills__img {
  border-radius: .5rem;
}

/*=============== Qualification =============*/
.qualification__container{
  row-gap: 2rem;
  text-align: center;
}

.qualification__tabs{
  color: var(--first-color);
  display:flex;
  justify-content: space-evenly;
  margin-bottom: var(--mb-2);
}

.qualification__button{
  font-size: var(--h3-font-size);
  font-weight: var(--font-medium);
  cursor: pointer;
}

.qualification__button:hover{
  color: purple;
}

.qualification__icon{
  color: var(--first-color);
  font-size: 1.8rem;
  margin-right: var(--mb-0-25);
}

.qualification__data{
  display: grid;
  grid-template-columns: 1fr max-content 1fr;
  column-gap: 1.1rem;
}

.qualification__title{
  color: var(--change-color);
  font-size: 1.2rem;
  font-weight: 500;
}

.qualification__subtitle{
  color: var(--change-color);
  display: inline-block;
  font-size: 1rem;
  margin-bottom: 1rem;
}

.qualification__calendar{
  font-size: 1rem;
  color: var(--text-color-light);
}

.qualification__rounder{
  display: inline-block;
  width: 13px;
  height: 13px;
  background-color: var(--first-color);
  border-radius: 50%;
}

.qualification__line{
  display: block;
  width: 2px;
  height: 100%;
  background-color: var(--first-color);
  transform: translate(6px, -7px);
}

.qualification [data-content]{
  display: none;
}

.qualification__active[data-content]{
  display: block;
}

/* ===== WORK =====*/
.work__container {
  row-gap: 2rem;
}

.work__img {
  box-shadow: 0px 4px 25px rgba(14, 36, 49, 0.15);
  border-radius: .5rem;
  overflow: hidden;
}

.work__img img {
  transition: 1s;
}

.work__img img:hover {
  transform: scale(1.1);
}

/*=============== Contact Me =============*/
.contact__container{
  color: var(--first-color);
  row-gap: 3rem;
}

.contact__information{
  display: flex;
  margin-bottom: var(--mb-2);
}

.contact__icon{
  font-size: 2rem;
  color: var(--first-color);
  margin-right: var(--mb-0-75);
}

.contact__title{
  font-size: var(--h3-font-size);
  font-weight: var(--font-medium);
}

.contact__subtitle{
  font-size: var(--small-font-size);
  color: var(--text-color-light);
}

.contact__content{
  background-color: var(--input-color);
  border-radius: .5rem;
  padding: .75rem 1rem .25rem;
}

/* ===== CONTACT =====*/
.contact__input {
  width: 100%;
  font-size: var(--normal-font-size);
  font-weight: var(--font-semi-bold);
  padding: 1rem;
  border-radius: .5rem;
  border: 1.5px solid var(--second-color);
  outline: none;
  margin-bottom: 4rem;
}

.contact__button {
  display: block;
  border: none;
  outline: none;
  font-size: var(--normal-font-size);
  cursor: pointer;
  margin-left: auto;
}

/* ===== FOOTER =====*/
.footer {
  background-color: var(--second-color);
  color: #fff;
  text-align: center;
  font-weight: var(--font-semi);
  padding: 2rem 0;
}

.footer__title {
  font-size: 2rem;
  margin-bottom: var(--mb-4);
}

.footer__social {
  margin-bottom: var(--mb-4);
}

.footer__icon {
  font-size: 1.5rem;
  color: #fff;
  margin: 0 var(--mb-2);
}

.footer__copy {
  font-size: var(--smaller-font-size);
}

/* ===== MEDIA QUERIES=====*/
@media screen and (max-width: 320px) {
  .home {
    row-gap: 2rem;
  }
  .home__img {
    width: 200px;
  }
}

@media screen and (min-width: 576px) {
  .home {
    padding: 4rem 0 2rem;
  }
  .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: 300px;
    bottom: 25%;
  }
  .about__container {
    grid-template-columns: repeat(2, 1fr);
    align-items: center;
    text-align: initial;
  }
  .skills__container {
    grid-template-columns: .7fr;
    justify-content: center;
    column-gap: 1rem;
  }
  .work__container {
    grid-template-columns: repeat(2, 1fr);
    column-gap: 2rem;
    padding-top: 2rem;
  }
  .contact__form {
    width: 360px;
    padding-top: 2rem;
  }
  .contact__container {
    justify-items: center;
  }
}

@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) + 1.5rem);
  }
  .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 {
    padding: 8rem 0 2rem;
  }
  .home__img {
    width: 400px;
    bottom: 10%;
  }
  .about__container {
    padding-top: 2rem;
  }
  .about__img img {
    width: 300px;
  }
  .skills__container {
    grid-template-columns: repeat(2, 1fr);
    column-gap: 2rem;
    align-items: center;
    text-align: initial;
  }
  .work__container {
    grid-template-columns: repeat(3, 1fr);
    column-gap: 2rem;
  }

}

@media screen and (min-width: 992px) {
  .bd-grid {
    margin-left: auto;
    margin-right: auto;
  }
  .home {
    padding: 10rem 0 2rem;
  }
  .home__img {
    width: 450px;
  }
}