/*==================== GOOGLE FONTS 字体====================*/
@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600&display=swap");

/*==================== VARIABLES CSS ====================*/
:root {
    --header-height: 3rem;

    /*========== Colors 主题色彩==========*/
    /* Change favorite color */
    --hue-color: 250; /*Purple 250 - Green 142 - Blue 230 - Pink 340*/

    /* HSL color mode */
    --first-color: hsl(var(--hue-color), 69%, 61%);
    --first-color-second: hsl(var(--hue-color), 69%, 61%);
    --first-color-alt: hsl(var(--hue-color), 57%, 53%);
    --first-color-lighter: hsl(var(--hue-color), 92%, 85%);
    --title-color: hsl(var(--hue-color), 8%, 15%);
    --text-color: hsl(var(--hue-color), 8%, 45%);
    --text-color-light: hsl(var(--hue-color), 8%, 65%);
    --input-color: hsl(var(--hue-color), 70%, 96%);
    --body-color: hsl(var(--hue-color), 60%, 99%);
    --container-color: hsl(var(--hue-color), 100%, 98%);
    --scroll-bar-color: hsl(var(--hue-color), 12%, 90%);
    --scroll-thumb-color: hsl(var(--hue-color), 12%, 80%);

    /*========== Font and typography ==========*/
    --body-font: 'Poppins', sans-serif;

    /* .5rem = 8px, 1rem = 16px, 1.5rem = 24px ... */
    --big-font-size: 2rem;
    --h1-font-size: 1.5rem;
    --h2-font-size: 1.25rem;
    --h3-font-size: 1.125rem;
    --normal-font-size: .938rem;
    --small-font-size: .813rem;
    --smaller-font-size: .75rem;

    /*========== Font weight ==========*/
    --font-medium: 500;
    --font-semi-bold: 600;

    /*========== Margenes Bottom ==========*/
    /* .25rem = 4px, .5rem = 8px, .75rem = 12px ... */
    --mb-0-25: .25rem;
    --mb-0-5: .5rem;
    --mb-0-75: .75rem;
    --mb-1: 1rem;
    --mb-1-5: 1.5rem;
    --mb-2: 2rem;
    --mb-2-5: 2.5rem;
    --mb-3: 3rem;

    /*========== z index ==========*/
    --z-tooltip: 10;
    --z-fixed: 100;
    --z-modal: 1000;
}

/* Font size for large devices */
@media screen and (min-width: 968px) {
    :root {
        --big-font-size: 3rem;
        --h1-font-size: 2.25rem;
        --h2-font-size: 1.5rem;
        --h3-font-size: 1.25rem;
        --normal-font-size: 1rem;
        --small-font-size: .875rem;
        --smaller-font-size: .813rem;
    }
}

/*========== Variables Dark theme ==========*/
body.dark-theme {
  /* HSL color mode */
--first-color-second: hsl(var(--hue-color), 30%, 8%);
--title-color: hsl(var(--hue-color), 8%, 95%);
--text-color: hsl(var(--hue-color), 8%, 45%);
--text-color-light: hsl(var(--hue-color), 8%, 75%);
--input-color: hsl(var(--hue-color), 29%, 16%);
--body-color: hsl(var(--hue-color), 28%, 12%);
--container-color: hsl(var(--hue-color), 29%, 16%);
--scroll-bar-color: hsl(var(--hue-color), 12%, 48%);
--scroll-thumb-color: hsl(var(--hue-color), 12%, 36%);
}

/*========== 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);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0 0 var(--header-height) 0;
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
  background-color: var(--body-color);
  color: var(--text-color);
}

h1, h2, h3, h4 {
  color: var(--title-color);
  font-weight: var(--font-semi-bold);
}

ul {
  list-style: none;
}

a {
  text-decoration: none;
}

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

/*==================== REUSABLE CSS CLASSES ====================*/
.section {
  padding: 2rem 0 4rem;
}

.section__title {
  font-size: var(--h1-font-size);
  color: var(--title-color);
}

.section__subtitle {
  display: block;
  font-size: var(--small-font-size);
  margin-bottom: var(--mb-3);
}

.section__title, 
.section__subtitle {
  text-align: center;
}

/*==================== LAYOUT ====================*/
.container {
  max-width: 768px;
  margin-left: var(--mb-1-5);
  margin-right: var(--mb-1-5);
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.header {
  width: 100%;
  position: fixed;
  bottom: 0;
  left: 0;
  z-index: var(--z-fixed);
  background-color: var(--body-color);
}

/*==================== NAV ====================*/
.nav{
  max-width: 968px;
  height: var(--header-height);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav__logo,
.nav__toggle{
  color: var(--title-color);
  font-weight: var(--font-medium);
}
.nav__logo:hover{
  color: var(--first-color);
}

.nav__toggle{
  font-size: 1.1rem;
  cursor: pointer;
}

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

/*mobile devices*/
@media screen and (max-width:767px){
  .nav__menu{
    position: fixed;
    bottom: -100%;
    left: 0;
    width: 100%;
    background-color: var(--body-color);
    padding: 2rem 1.5rem 4rem;
    box-shadow: 0 -1px 4px rgba(0,0,0,.15);
    border-radius: 1.5rem 1.5rem 0 0;
    transition: .3s;
  }
}

.nav__list{
  grid-template-columns: repeat(3,1fr);
  gap: 2rem;
}

.nav__item{
  align-items: center;
}
.nav__link{
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: var(--small-font-size);
  color: var(--title-color);
  font-weight: var(--font-medium);
  cursor: pointer;
  text-transform: capitalize;
}

.nav__link:hover{
  color: var(--first-color);
}
.nav__link:hover svg{
  fill: var(--first-color);
}

.nav__icon{
  font-size: 1.2rem;
}
.nav__icon-svg{
  fill:var(--title-color);
  font-size: 1.4rem;
  margin-top: 4px;
  margin-bottom: 2px;
}
.nav__close{
  position: absolute;
  right: 1.3rem;
  bottom: .5rem;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--first-color);
}

.nav__close:hover{
  color: var(--first-color-alt);
}
/* show menu */
.show-menu{
  bottom: 0;
}

/* Active link */
.active-link {
  color: var(--first-color);
}

/* Change background header */
.scroll-header {
  box-shadow: 0 -1px 4px rgba(0,0,0, .15);
  
}

/*==================== HOME ====================*/
.home__container {
  gap: 1rem;
}

.home__content{
  grid-template-columns: .5fr 3fr;
  padding-top: 3.5rem;
  align-items: center;
}
.home__social {
  display: grid;
  grid-template-columns: max-content;
  row-gap: 1rem;
}

.home__social-icon {
  font-size: 1.25rem;
  color: var(--first-color);
}

.home__social-icon:hover {
  color: var(--first-color-alt)
}

.home__blob {
  width: 200px;
  fill: var(--first-color);
}

.home__blob-img {
  width: 220px;
}

.home__data {
  grid-column: 1/3;
}

.home__title {
  font-size: var(--big-font-size);
}

.home__subtitle {
  font-size: var(--h3-font-size);
  color: var(--text-color);
  font-weight: var(--font-medium);
  margin-bottom: var(--mb-0-75);
}

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

/* .home__scroll {
  display: none;
} */

.home__scroll-button {
  color: var(--first-color);
  transition: .3s;

}

.home__scroll-button:hover {
  transform: translateY(0.25rem);
}

.home__scroll-mouse {
  font-size: 2rem;

}

.home__scroll-name {
  font-size: var(--small-font-size);
  color: var(--title-color);
  font-weight: var(--font-medium);
  margin-right: var(--mb-0-25);

}

.home__scroll-arrow {
  font-size: 1.25rem;

}

/*==================== BUTTONS ====================*/
.button {
  display: inline-block;
  background-color: var(--first-color);
  color: #FFFF;
  padding: 1rem;
  border-radius: .5rem;
  font-weight: var(--font-medium);

}

.button:hover {
  background-color: var(--first-color-alt);
}

.button__icon {
  font-size: 1.2rem;
  margin-left: var(--mb-0-5);
  transition: .3s;
}

.button--flex {
  display: inline-flex;
  align-items: center;
  transition: .3s;

}

.button--small {
  padding: .75rem 1rem;
}

.button--link {
  padding: 0;
  background-color: transparent;
  color: var(--first-color);
}

.button--link:hover {
  background-color: transparent;
  color: var(--first-color-alt);
}

/*==================== ABOUT ====================*/
.about__img {
  width: 200px;
  border-radius: .5rem;
  justify-self: center;
  align-self: center;

}

.about__description {
  text-align: center;
  margin-bottom: var(--mb-2-5);

}

.about__info {
  display: flex;
  justify-content: space-evenly;
  margin-bottom: var(--mb-2-5);
}

.about__info-title {
  font-size: var(--h2-font-size);
  font-weight: var(--font-semi-bold);
  color: var(--title-color);
}

.about__info-name {
  font-size: var(--smaller-font-size);

}

.about__info-title, .about__info-name {
  display: block;
  text-align: center;

}

.about__buttons {
  display: flex;
  justify-content: center;
}

/*==================== SKILLS ====================*/
.skills__container {
  row-gap: 0;
}

.skills__header {
  display: flex;
  align-items: center;
  margin-bottom: var(--mb-2-5);
  cursor: pointer;
}

.skills__icon, .skills__arrow {
  font-size: 2rem;
  color: var(--first-color);

}

.skills__icon {
  margin-right: var(--mb-0-75);

}

.skills__title {
  font-size: var(--h3-font-size);
}

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

}

.skills__arrow {
  margin-left: auto;
  transition: .4s;

}

.skills__list {
  row-gap: 1.5rem;
  padding-left: 2.7rem;
  transition: .4s;
}

.skills__titles {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--mb-0-5)
}

.skills__name {
  font-size: var(--normal-font-size);
  font-weight: var(--font-medium);
}

.skills__bar, .skills__percentage {
  height: 5px;
  border-radius: .25rem;

}

.skills__bar {
  background-color: var(--first-color-lighter);

}

.skills__percentage {
  display: block;
  background-color: var(--first-color);
}

.skills__html {
  width: 60%;
}

.skills__css{
  width: 50%;
}

.skills__js{
  width: 30%;
}

.skills__vue{
  width: 10%;
}

.skills__java{
  width: 70%;
}

.skills__python{
  width: 50%;
}

.skills__cpp{
  width: 70%;
}

.skills__csharp{
  width: 50%;
}

.skills__close .skills__list {
  
  height: 0;
  overflow: hidden;

}

.skills__open .skills__list {
  height: max-content;
  margin-bottom: var(--mb-2-5);
}

.skills__open .skills__arrow {
  transform: rotate(-180deg);
}

/*==================== QUALIFICATION ====================*/
.qualification__tabs {
  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: var(--first-color);
}

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

.qualification__data {
  display: grid;
  grid-template-columns: 1fr max-content 1fr;
  column-gap: 1.5rem;
}

.qualification__title {
  font-size: var(--normal-font-size);
  font-weight: var(--font-medium);
}

.qualification__subtitle {
  display: inline-block;
  font-size: var(--small-font-size);
  margin-bottom: var(--mb-1);
}

.qualification__calendar {
  font-size: var(--smaller-font-size);
  color: var(--text-color-light);
  /* margin-bottom: var(--mb-1) */

}

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

.qualification__line {
  display: block;
  width: 1px;
  height: 100%;
  background-color: var(--first-color);
  transform: translate(6px, -7px)
}

.qualification__content[data-content] {
  display: none;

}

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

.qualification__button.qualification__active {
  color: var(--first-color)
}

/* Active Modal */
.active-modal {
  opacity: 1;
  visibility: visible;
}


/*==================== PORTFOLIO ====================*/
.portfolio__container {
  overflow: initial;
}

.portfolio__content {
  padding: 0 1.5rem;
}

.portfolio__img {
  width: 265px;
  border-radius: .5rem;
  justify-self: center;
}

.portfolio__title {
  font-size: var(--h3-font-size);
  margin-bottom: var(--mb-0-5);
}

.portfolio__description {
  margin-bottom: var(--mb-0-75);
}

.portfolio__button:hover .button__icon {
  transform: translateX(.25rem);
}

.swiper-button-prev::after, .swiper-button-next::after {
  content: '';
}

.swiper-portfolio-icon {
  font-size: 2rem;
  color: var(--first-color);
}

.swiper-button-prev {
  left: -.5rem;
}

.swiper-button-next {
  right: -.5rem;
}

.swiper-container-horizontal > .swiper-pagination-bullets {
  bottom: -2.5rem;
}

.swiper-pagination-bullet-active {
  background-color: var(--first-color);

}

.swiper-button-prev, 
.swiper-button-next,
.swiper-pagination-bullet {
  outline: none;
}

/*==================== CONTACT ME ====================*/
.contact__container {
  row-gap: 3rem;
}

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

.contact__icon {
  font-size: 1.5rem;
  color: var(--first-color);
  margin-right: var(--mb-0-75);
}

.content__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__label {
  font-size: var(--smaller-font-size);
  color: var(--title-color);
}

.contact__input {
  width: 100%;
  background-color: var(--input-color);
  color: var(--text-color);
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
  border: none;
  outline: none;
  padding: .25rem .5rem .5rem 0;
}

/*==================== FOOTER ====================*/
.footer {
  padding-top: 2rem;
}

.footer__container {
  row-gap: 3.5rem;
}

.footer__bg {
  background-color: var(--first-color-second);
  padding: 2rem 0 3rem;
}

.footer__title {
  font-size: var(--h1-font-size);
  margin-bottom: var(--mb-0-25);

}

.footer__subtitle {
  font-size: var(--small-font-size);
}

.footer__links {
  display: flex;
  flex-direction: column;
  row-gap: 1.5rem;
}

.footer__link:hover {
  color: var(--first-color-lighter);
}

.footer__social {
  font-size: 1.35rem;
  margin-right: var(--mb-1-5);
}

.footer__social:hover {
  color: var(--first-color-lighter);
}

.footer__copy {
  font-size: var(--smaller-font-size);
  text-align: center;
  color: var(--text-color-light);
  margin-top: var(--mb-3)
}

.footer__title,
.footer__subtitle,
.footer__link,
.footer__social {
  color: #FFF;
  fill: #FFF;
}

.icon {
  width: 1em;
  height: 1em;
  vertical-align: -0.15em;
  /* fill:white; */
  overflow: hidden;
}

/*========== SCROLL UP ==========*/
.scrollup {
  position: fixed;
  right: 1rem;
  bottom: -20%;
  background-color: var(--first-color);
  opacity: .8;
  padding: 0 .3rem;
  border-radius: .4rem;
  z-index: var(--z-tooltip);
  transition: .4s;
}

.scrollup:hover {
  background-color: var(--first-color-alt);
}

.scrollup__icon {
  font-size: 1.5rem;
  color: #FFF;
}

/* Show scroll */
.show-scroll {
  bottom: 5rem;
}


/*========== SCROLL BAR ==========*/
::-webkit-scrollbar {
  width: .60rem;
  background-color: var(--scroll-bar-color);
  border-radius: .5rem;
}

::-webkit-scrollbar-thumb {
  background-color: var(--scroll-thumb-color);
  border-radius: .5rem;
}

::-webkit-scrollbar-thumb:hover {
  background-color: var(--text-color-light);
}


/*==================== MEDIA QUERIES ====================*/
/* For small devices */
@media screen and (max-width: 350px) {
  .container {
      margin-left: var(--mb-1);
      margin-right: var(--mb-1);
  }
  .nav__menu {
      padding: 2rem .25rem 4rem;
  }

  .nav__list {
      column-gap: 0;
  }
  .home__content {
      grid-template-columns: .25fr 3fr;
  }

  .home__blob {
      width: 180px;
  }

  .skills__title {
      font-size: var(--normal-font-size);
  }
  .qualification__data {
      gap: .5rem;
  }

  .services__container {
      grid-template-columns: max-content;
      justify-content: center;
  }

  .services__content {
      padding-right: 3.5rem;
  }
  .services__modal {
      padding: 0 .5rem;
  }

  .project__img {
      width: 200px;
  }

  .testimonial__header,
  .testimonial__data {
      flex-direction: column;
      align-items: center;
  }

  .testimonial__img {
      margin-right: 0;
      margin-bottom: var(--mb-0-25);
  }

  .testimonial__data,
  .testimonial__description {
      text-align: center;
  }
}

/* For medium devices */
@media screen and (min-width: 568px) {
  .home__content {
      grid-template-columns: max-content 1fr 1fr;
  }
  .home__data {
      grid-column: initial;
  }
  .home__img {
      order: 1;
      justify-self: center;
  }

  .about__container,
  .skills_container,
  .portfolio__content,
  .project__container,
  .contact__container,
  .footer__container {
      grid-template-columns: repeat(2, 1fr);
  }

  .qualification__sections {
      display: grid;
      grid-template-columns: .6fr;
      justify-content: center;
  }

  @media screen and (min-width: 768px) {
      .container {
          margin-left: auto;
          margin-right: auto;
      }

      .body {
          margin: 0;
      }
      .section {
          padding: 6rem 0 2rem;
      }
      .section__subtitle {
          margin-bottom: 4rem;
      }
      .header {
          top: 0;
          bottom: initial;
      }

      .header,
      .main,
      .footer__container {
          padding: 0 1rem;
      }

      .nav {
          height: calc(var(--header-height) + 1.5rem);
          column-gap: 1rem;
      }
      .nav__icon,
      .nav__close,
      .nav__toggle {
          display: none;
      }

      .nav__list {
          display: flex;
          column-gap: 2rem;
      }

      .nav__item {
        align-content: center;
        display: flex;
        flex-wrap: wrap;
      }

      #translate{
        font-size: 0;
      }

      .nav__menu {
          margin-left: auto;
      }
      .change-theme {
          margin: 0;
      }

      .home__container {
          row-gap: 5rem;
      }

      .home__content {
          padding-top: 5.5rem;
          column-gap: 2rem;
      }
      .home__blob {
          width: 270px;
      }
      .home__scroll {
          display: block;
      }
      .home__scroll-button {
          margin-left: 3rem;
      }
      .about__container {
          column-gap: 5rem; 
      }
      .about__img {
          width: 350px;
      }
      .about__description {
          text-align: initial;
      }
      .about__info {
          justify-content: space-between;
      }
      .about__buttons {
          justify-content: initial;
      }
      .qualification__tabs {
          justify-content: center;

      }
      .qualification__button {
          margin: 0 var(--mb-1)
      }

      .qualification__sections {
          grid-template-columns: .5fr
      }
      .services__container {
          grid-template-columns: repeat(3, 218px);
          justify-content: center;
      }
      .services__icon {
          font-size: 2rem;
      }
      .services__content {
          padding: 6rem 0 2rem 2.5rem;
      }

      .services__modal-content {
          width: 450px;
      }
      .portfolio__img {
          width: 320px;
      }
      .portfolio__content {
          align-items: center;
      }
      .project {
          text-align: initial;
      }
      .project__bg {
          background: none;
      }
      .project__container {
          background-color: var(--first-color-second);
          border-radius: 1rem;
          padding: 3rem 2.5rem 0;
          grid-template-columns: 1fr max-content;
          column-gap: 3rem;
      }
      .project__data {
          padding-top: .8rem;
      }
      .footer__container {
          grid-template-columns: repeat(3, 1fr);
      }
      .footer__bg {
          padding: 3rem 0 3.5rem; 
      }

      .footer__links {
          flex-direction: row;
          column-gap: 2rem;
      }
      .footer__socials {
          justify-self: flex-end;
      }
      .footer__copy {
          margin-top: 4.5rem;
      }

  }
}

/* For large devices */
@media screen and (min-width: 1024px) {
  .header,
  .main,
  .footer__container {
      padding: 0;
  }
  .home__blob {
      width: 320px;
  }
  .home__social {
      transform: translateX(-6rem);
  }
  .services__container {
      grid-template-columns: repeat(3, 238px);
  }
  .portfolio__content {
      column-gap: 5rem;
  }
  .swiper-portfolio-icon {
      font-size: 3.5rem;
  }
  .swiper-button-prev {
      left: 3.5rem;
  }
  .swiper-button-next {
      right: 3.5rem;
  }
  .swiper-container-horizontal > .swiper-pagination-bullets {
      bottom: -4.5rem
  }

  .contact__form {
      width: 460px; 
  }
  .contact__inputs {
      grid-template-columns: repeat(2, 1fr);
  }
}