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

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

    /*========== Colors ==========*/
    /* Change theme color to blue for data science */
    --hue-color: 207; 

    /* Color palette - Dark theme by default */
    --first-color: hsl(var(--hue-color), 69%, 61%);
    --first-color-second: hsl(var(--hue-color), 30%, 8%);
    --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%, 95%);
    --text-color: hsl(var(--hue-color), 8%, 75%);
    --text-color-light: hsl(var(--hue-color), 8%, 65%);
    --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%);

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

    /* Font sizes */
    --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;

    /*========== Margins Bottom ==========*/
    --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;

    --transition: all 0.3s ease;
}

/* Light theme variables */
body.light-theme {
    --first-color-second: hsl(var(--hue-color), 69%, 61%);
    --title-color: hsl(var(--hue-color), 8%, 15%);
    --text-color: hsl(var(--hue-color), 8%, 45%);
    --input-color: hsl(var(--hue-color), 70%, 96%);
    --body-color: hsl(var(--hue-color), 60%, 99%);
    --container-color: #fff;
    --scroll-bar-color: hsl(var(--hue-color), 12%, 90%);
    --scroll-thumb-color: hsl(var(--hue-color), 12%, 80%);
}

/*========== 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;
    transition: .3s;
}

.change-theme:hover{
    color: var(--first-color);
    transform: rotate(30deg);
}

/*==================== Initialisation ====================*/
* {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
    transition: var(--transition);
}

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);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Add smooth transition for all color changes */
* {
    transition: background-color .3s, color .3s, border-color .3s;
}

/* Update button styles for dark mode */
.button {
    display: inline-block;
    background-color: var(--first-color);
    color: #fff;
    padding: 1rem;
    border-radius: .5rem;
    font-weight: var(--font-medium);
    transition: .3s;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.button:hover {
    background-color: var(--first-color-alt);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

/* Update card styles for dark mode */
.portfolio__content,
.qualification__data,
.skills__content {
    background-color: var(--container-color);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: .3s;
}

.portfolio__content:hover,
.qualification__data:hover,
.skills__content:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

/* Update form styles for dark mode */
.contact__input {
    background-color: var(--input-color);
    color: var(--text-color);
    border: 2px solid transparent;
    border-radius: .5rem;
    padding: .8rem;
    transition: .3s;
}

.contact__input:focus {
    border-color: var(--first-color);
    box-shadow: 0 0 0 2px rgba(var(--first-color), 0.2);
}

/* Update scrollbar for dark mode */
::-webkit-scrollbar {
    width: .6rem;
    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(--first-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;
}

.section {
  padding: 2rem 0 4rem;
}

.section__title {
  font-size: var(--h1-font-size);
  color: var(--title-color);
  animation: fadeInDown 0.8s ease;
}

.section__subtitle {
  display: block;
  font-size: var(--small-font-size);
  margin-bottom: var(--mb-3);
  animation: fadeInUp 0.8s ease;
}

.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);
  transition: var(--transition);
}

/*==================== 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);
}
 @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__link{
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: var(--small-font-size);
  color: var(--title-color);
  font-weight: var(--font-medium);
  transition: var(--transition);
}
.nav__link:hover{
  color: var(--first-color);
  transform: translateY(-2px);
}

.nav__icon{
  font-size: 1.2rem;
} 

.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);
  transition: var(--transition);
}
.home__social-icon:hover{
  color: var(--first-color-alt);
  transform: translateY(-3px);
}

.home__blob{
  width: 200px;
  fill: var(--first-color);
  filter: drop-shadow(0 0 8px rgba(0, 0, 0, 0.2));
  transition: var(--transition);
}
.home__blob-img{
  width: 220px;
}

.home__blob:hover {
  transform: scale(1.05);
}

.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(.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__icon{
  font-size: 1.25rem;
  margin-left: var(--mb-0-5);
  transition: .3s;
}

.button--flex{
  display: inline-flex;
  align-items: center;
}
/*==================== ABOUT ====================*/
.about__img{
  width: 400px;
  border-radius: .5rem;
  justify-self: center;
  align-self: center;
  transition: var(--transition);
}
.about__img:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}
.about__description{
  text-align: center;
  margin-bottom: var(--mb-2-5);
}

.langue{
  margin-bottom: var(--mb-2-5);
}
.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;
  transition: var(--transition);
}
.skills__header:hover {
  transform: translateX(5px);
}
.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: var(--transition);
}
.skills__list{
  row-gap: 1.5rem;
  padding-left: 2.7rem;
}
.skills__titles{
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--mb-0-5);
}
.skill__name{
   font-size: var(--normal-font-size);
   font-weight: var(--font-medium);
}
.skills__bar, .skills__percentage{
  height: 5px;
  border-radius: .25rem;
  transition: width 0.5s ease;
}

.skills__bar{
  background-color: var(--first-color-lighter);
}
.skills__percentage{
  position: relative;
  background: linear-gradient(90deg, var(--first-color), var(--first-color-alt));
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.skills__percentage::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--first-color-lighter);
    right: -4px;
    top: -1.5px;
}
.skills__html{
  width: 90%;
}

.skills__css{
  widows: 80%;
}

.skills__js{
  width: 60%;
}
.skills__react{
  width: 50%;
}
.skills__php{
  width: 70%;
}
.skills__laravel{
  width: 80%;
}

.skills__nodejs{
  width: 60%;
}
.skills__python{
  width: 50%;
}
.skills__figma{
  width: 70%;
}
.skills__sketch{
  width: 50%;
}

.skills__ai{
  width: 60%;
}
.skills__français{
  width: 100%;
}
.skills__arabe{
  width: 90%;
}
.skills__anglais{
  width: 90%;
}

.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__subtile{
  display: inline-block;
  font-size: var(--small-font-size);
  margin-bottom: var(--mb-1);
}
.qualification__calender{
  font-size: var(--smaller-font-size);
  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: 1px;
  height: 100%;
  background-color: var(--first-color);
  transform: translate(6px,-7px);
}
.qualification [data-content]{
  display: none;
}
.qualification__active[data-content]{
  display: block;
}

.qualification__button.qualification__active{
  color: var(--first-color);
}
/*==================== Interet ====================*/
.interet__container{
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-content: center;
}
.interet_elt{
  margin-bottom: var(--mb-1-5);
}

.interet_elt:hover{
  color: var(--first-color-lighter)

}

/*==================== PORTFOLIO ====================*/
.portfolio__container{
  overflow: initial;
}
.portfolio__content{
  padding: 0 1.5rem;
  transition: var(--transition);
}
.portfolio__img{
  width: 265px;
  border-radius: .5rem;
  justify-self: center;
  transition: var(--transition);
}
.portfolio__content:hover .portfolio__img {
  transform: scale(1.05);
}
.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>.swiper-pagination{
  bottom: -2.5rem;
}
.swiper-pagination-active{
  background-color: var(--first-color);
}
.swiper-button-prev, .swiper-button-next, .swiper-pagination{
  outline: none;
}

/*==================== Divers ====================*/

.divers__img{
  width:560px;
  border-radius: .5rem;
  justify-self: center;
}


/*==================== CONTACT ME ====================*/
.contact__container{
  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__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;
  transition: var(--transition);
}
.contact__input:focus {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}
/*==================== 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: 1.25rem;
  margin-right: var(--mb-1-5);
  transition: var(--transition);
}
.footer__social:hover{
  transform: translateY(-3px);
  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;
}

/*========== 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: var(--transition);
}
.scrollup:hover{
  background-color: var(--first-color-alt);
  transform: translateY(-5px);
}
.scrollup__icon{
  font-size: 1.5rem;
  color: #FFF;
}
/* Show scroll */
.show-scroll{
  bottom: 5rem;
}

/*==================== MEDIA QUERIES ====================*/
/* pour les petits écrans : téléphone */
@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;
  }
  .project__img{
    width:200px;
  }
}


/* pour les écrans moyens : tablette */
@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, .contact__container, .footer__container{
    display: flex;
    justify-content: space-between;
  }
  .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__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;
  }
  
  .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;
  }
  .portfolio__img{
    width: 320px;
  }
  .portfolio__content{
    align-items: center;
  }
  .footer__container{
    grid-template-columns: repeat(3, 1fr);
  }
  .footer__bg{
    padding: 3rem 0 3.5rem;
  }
  .footer__links{
    flex-direction: row;
    column-gap: 2rem;
  }
  .footer__social{
    justify-self: flex-end;
  }
  .footer__copy{
    margin-top: 4.5rem;
  }
}
/* pour les grands écrans : PC */
@media screen and (min-width : 1024px) {
  .header, .main, .footer__container{
    padding: 0;
  }
  .home__blob{
    width: 320px;
  }
  .home__social{
    transform: translateX(-6rem);
  }
  .portfolio__content{
    column-gap: 5rem;
  }
  .swiper-portfolio-icon{
    font-size: 3.5rem;
  }
  .swiper-button-next{
    right: -3.5rem;
  }
  .swiper-button-prev{
    left: -3.5rem;
  }
  .swiper>.swiper-pagination {
    bottom: -4.5rem;
  }
  .contact__form{
    width: 460px;
  }
  .contact__inputs{
    grid-template-columns: repeat(2,1fr);
  }
}

/* Add new data science specific gradients */
.home__blob {
    width: 200px;
    fill: var(--first-color);
    filter: drop-shadow(0 0 8px rgba(0, 0, 0, 0.2));
}

.data-card {
    background: linear-gradient(145deg, var(--container-color), var(--first-color-second));
    border-radius: 1rem;
    padding: 1.5rem;
    transition: .3s;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.data-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

.project-tech-stack {
    display: flex;
    gap: .5rem;
    flex-wrap: wrap;
    margin-top: .5rem;
}

.tech-tag {
    background-color: var(--first-color);
    color: var(--container-color);
    padding: .25rem .75rem;
    border-radius: 1rem;
    font-size: var(--smaller-font-size);
}

/* Add glow effect to social icons */
.home__social-icon {
    font-size: 1.25rem;
    color: var(--first-color);
    transition: .3s;
    filter: drop-shadow(0 0 2px var(--first-color-lighter));
}

.home__social-icon:hover {
    color: var(--first-color-lighter);
    transform: translateY(-3px);
    filter: drop-shadow(0 0 4px var(--first-color-lighter));
}

/* Update button styles */
.button {
    background: linear-gradient(145deg, var(--first-color), var(--first-color-alt));
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: .3s;
}

.button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
    background: linear-gradient(145deg, var(--first-color-alt), var(--first-color));
}

/* Add styles for project links */
.project-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.project-links a {
    font-size: var(--smaller-font-size);
    color: var(--first-color);
    display: flex;
    align-items: center;
    gap: .25rem;
}

.project-links a:hover {
    color: var(--first-color-lighter);
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}