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

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

  /*========== Colors ==========*/
  /* https://colors.dopely.top/color-pedia/ */
  /*Color mode HSL(hue, saturation, lightness)*/
  /*
        Purple: hsl(250, 66%, 75%)
        Blue: hsl(207, 90%, 72%)
        Pink: hsl(356, 66%, 75%)
        Teal: hsl(174, 63%, 62%)
  */
  --first-hue: 110;
  --sat: 77%;
  --lig: 30%;
  --second-hue: 233;

  --first-color: hsl(var(--first-hue), var(--sat), var(--lig));
  --first-color-alt: hsl(var(--first-hue), var(--sat), 26%); /* -4 (from --lig) - darker tone than the first color */
  --title-color: hsl(var(--second-hue), 15%, 95%);
  --text-color: hsl(var(--second-hue), 8%, 75%);
  --text-color-light: hsl(var(--second-hue), 4%, 55%);
  --body-color: hsl(var(--second-hue), 11%, 16%);
  --container-color: hsl(var(--second-hue), 10%, 13%);
  --error-message-text-color: #C72A2A;

  /*========== Font and typography ==========*/
  /*.5rem = 8px | 1rem = 16px ...*/
  --body-font: 'Poppins', sans-serif;
  --biggest-font-size: 1.75rem;
  --h1-font-size: 1.5rem;
  --h2-font-size: 1.25rem;
  --h3-font-size: 1rem;
  --normal-font-size: .938rem;
  --small-font-size: .813rem;
  --smaller-font-size: .75rem;
  --tiny-font-size: .625rem;

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

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

/* Responsive typography */
@media screen and (min-width: 968px) {
  :root {
    --biggest-font-size: 2.5rem;
    --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;
  }
}

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

html {
  scroll-behavior: smooth;
}

body,
button,
input,
textarea {
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
}

body {
  background-color: var(--body-color);
  color: var(--text-color);
  transition: .4s; /* for light mode animation */
}

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

ul {
  list-style: none;
}

a {
  text-decoration: none;
}

button {
  cursor: pointer;
  border: none;
  outline: none;
}

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

/*=============== THEME ===============*/
#theme-button{
	font-size: 1.25rem;
	cursor: pointer;
	transition: .3s;
}

#theme-button:hover{
	color: var(--first-color);
}

/*========== Variables Light theme ==========*/
body.light-theme{
	--title-color: hsl(var(--second-hue), 15%, 15%);
	--text-color: hsl(var(--second-hue), 8%, 35%);
	--body-color: hsl(var(--second-hue), 0%, 80%);
	--container-color: #E3E3E3;
}

/*========== 
    Color changes in some parts of 
    the website, in light theme
==========*/
.light-theme .scroll-header{
	box-shadow: 0 2px 4px hsla(0, 0%, 1%, .1);
}

.light-theme .nav__menu{
	background-color: hsla(var(--second-hue), 32%, 90%, .4);
}

.light-theme .section__subtitle{
	color: var(--text-color);
}

.light-theme .home__social-link{
	box-shadow: 0 2px 8px hsla(var(--second-hue), 48%, 8%, .1);
}

.light-theme .home__social::after,
.light-theme .footer__social-link{
	background-color: var(--title-color);
}

.light-theme .home__social-link,
.light-theme .home__scroll,
.light-theme .button,
.light-theme .button:hover,
.light-theme .active-work,
.light-theme .footer__title,
.light-theme .footer__link,
.light-theme .footer__copy{
	color: var(--title-color);
}

.light-theme .about__box{
	box-shadow: 0 2px 8px hsla(var(--second-hue), 48%, 8%, .1);
}

.light-theme .skills__content,
.light-theme .services__card,
.light-theme .work__card,
.light-theme .testimonial__card,
.light-theme .contact__card{
	box-shadow: 0 2px 16px hsla(var(--second-hue), 48%, 8%, .1);
}

.light-theme::-webkit-scrollbar{
	background-color: hsl(var(--second-hue), 8%, 66%);
}

.light-theme::-webkit-scrollbar-thumb{
	background-color: hsl(var(--second-hue), 8%, 54%);
}

.light-theme::-webkit-scrollbar-thumb:hover{
	background-color: hsl(var(--second-hue), 8%, 44%);
}

/*=============== REUSABLE CSS CLASSES ===============*/
.container {
  max-width: 968px;
  margin-left: 1rem;
  margin-right: 1rem;
}

.grid {
  display: grid;
  gap: 1.25rem;
}

.main {
  overflow: hidden;
}

.section {
  padding: 4.5rem 0 1rem;
}

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

.section__title {
  font-size: var(--h2-font-size);
  color: var(--first-color);
  margin-bottom: 2rem;
}

.section__subtitle {
  display: block;
  font-size: var(--smaller-font-size);
  color: var(--text-color-light);
}

/*=============== HEADER & NAV===============*/
.header{
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	background-color: var(--body-color);
	z-index: var(--z-fixed);
	transition: .4s; /* for light mode animation */
}

.nav{
	height: var(--header-height);
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.nav__logo{
	color: var(--first-color);
	font-weight: var(--font-medium);
	transition: .4s;
}

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

.nav__menu{
	position: fixed;
	bottom: 1rem;
	background-color: hsla(var(--second-hue), 0%, 20%, .2);
	width: 90%;
	border-radius: 4rem;
	padding: 1rem 2.25rem;
	backdrop-filter: blur(10px);
	transition: .4s; /* for light mode animation */
}

.nav__list{
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.nav__link{
	color: var(--text-color);
	font-size: 1.25rem;
	padding: .4rem;
	display: flex;
	border-radius: 5rem;
}

/* Active link */
.active-link{
	background: var(--first-color);
	box-shadow: 0 0 16px hsla(var(--first-hue), var(--sat), var(--lig), .4);
	color: var(--container-color);
}

/* Change background header */
.scroll-header{
	box-shadow: 0 4px 4px hsla(0, 0%, 4%, .3);
}

/*=============== HOME ===============*/
.home__container{
	position: relative;
	row-gap: 4.5rem;
	padding-top: 2rem;
}

.home__data{
	text-align: center;
}

.home__greeting,
.home__education{
	font-size: var(--small-font-size);
	font-weight: var(--font-medium);
}

.home__greeting{
	display: block;
	color: var(--title-color);
	margin-bottom: .25rem;
}

.home__education{
	color: var(--text-color);
	margin-bottom: 2.5rem;
}

.home__name{
	font-size: var(--biggest-font-size);
}

.home__img{
	width: 100%;
	transition: 0.5s all ease-in-out;
}
.home__img:hover{
	transform: scale(1.2);
}

.home__handle{
	justify-self: center;
	width: 300px;
	height: 300px;
	background: linear-gradient(
		180deg,
		hsla(var(--first-hue), var(--sat), var(--lig), 1),
		hsla(var(--first-hue), var(--sat), var(--lig), .2)
	);
	border-radius: 20rem;
	display: flex;
	align-items: flex-end;
	justify-content: center;
	overflow: hidden;
}

.home__buttons{
	display: flex;
	justify-content: center;
	gap: 1.5rem;
}

.home__social,
.home__scroll{
	position: absolute;
}

.home__social{
	bottom: 5rem;
	left: 0;
	display: grid;
	row-gap: .5rem;
}

.home__social-link{
	width: max-content;
	background-color: var(--container-color);
	color: var(--first-color);
	padding: .25rem;
	border-radius: .25rem;
	display: flex;
	font-size: 1rem;
	transition: .4s;
}

.home__social-link:hover{
	background-color: var(--first-color);
	color: white;
}

.home__social::after{
	content: '';
	width: 32px;
	height: 2px;
	background-color: var(--first-color);
	transform: rotate(90deg) translate(16px, 3px);
}

.home__scroll{
	color: var(--first-color);
	right: -1.5rem;
	bottom: 4rem;
	display: grid;
	row-gap: 2.25rem;
	justify-items: center;
}

.home__scroll-icon{
	font-size: 1.25rem;
}

.home__scroll-name{
	font-size: var(--smaller-font-size);
	transform: rotate(-90deg);
}

/*=============== BUTTONS ===============*/
.button{
	display: inline-block;
	background-color: var(--first-color);
	color: var(--body-color);
	padding: .75rem 1rem;
	border-radius: .5rem;
	font-weight: var(--font-medium);
	transition: .4s;
}

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

.button--ghost{
	background-color: transparent;
	border: 2px solid var(--first-color);
	color: var(--first-color);
}

/*=============== ABOUT ===============*/
.about__container{
	row-gap: 2.5rem;
}

.about__img{
	width: 220px;
	border-radius: 1.5rem;
	justify-self: center;
	box-shadow: 16px 16px 16px hsla(var(--second-hue), 48%, 8%, .1);
	transition: 0.5s all ease-in-out;
}
.about__img:hover{
	transform: scale(1.2);
}

.about__data{
	text-align: center;
}

.about__info{
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: .5rem;
	margin-bottom: 2rem;
}

.about__box{
	background-color: var(--container-color);
	border-radius: .75rem;
	padding: .75rem .5rem;
}

.about__icon{
	font-size: 1.5rem;
	color: var(--first-color);
	margin-bottom: .5rem;
}

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

.about__subtitle{
	font-size: var(--tiny-font-size);
}

.about__description{
	margin-bottom: 1rem;
}
.about__description-text{
	padding: 1rem 0;
}

/*=============== SKILLS ===============*/
.skills__container{
	row-gap: 2rem;
	padding-top: 1rem;
}

.skills__content{
	background-color: var(--container-color);
	padding: 1.5rem;
	border-radius: 1.25rem;
}

.skills__title{
	font-size: var(--normal-font-size);
	font-weight: var(--font-medium);
	color: var(--first-color);
	text-align: center;
	margin-bottom: 1.5rem;
}

.skills__box{
	display: flex;
	justify-content: center;
	column-gap: 2.5rem;
}

.skills__group{
	display: grid;
	align-content: flex-start;
	row-gap: 1rem;
}

.skills__data{
	display: flex;
	column-gap: .5rem;
}

.skills .bxs-badge-check{
	font-size: 1rem;
	color: var(--first-color);
}

.skills__name{
	font-size: var(--normal-font-size);
	font-weight: var(--font-medium);
	line-height: 18px;
}

.skills__level{
	font-size: var(--tiny-font-size);
}

/*=============== SERVICES ===============*/
.services__container{
	grid-template-columns: repeat(2, 1fr);
	gap: 1.5rem;
	padding-top: 1rem;
}

.services__card{
	background-color: var(--container-color);
	padding: 3rem 1.5rem 1.5rem;
	border-radius: 1rem;
}

.services__title{
	font-size: var(--h3-font-size);
	margin-bottom: 2.5rem;
}

.services__button{
	color: var(--first-color);
	font-size: var(--small-font-size);
	display: flex;
	align-items: center;
	column-gap: .25rem;
	cursor: pointer;
}

.services__button:hover .services__icon{
	transform: translateX(.25rem);
}

.services__icon{
	font-size: 1rem;
	transition: .4s;
}

/* Services modal */
.services__modal{
	position: fixed;
	inset: 0;
	background-color: hsla(var(--second-hue), 1%, 5%, .7);
	padding: 2rem 1rem;
	display: grid;
	place-items: center;
	visibility: hidden;
	opacity: 0;
	transition: .4s;
	z-index: var(--z-modal);
}

.services__modal-content{
	position: relative;
	background-color: var(--body-color);
	padding: 2.5rem 1.5rem 1.5rem;
	border-radius: 1.5rem;
}

.services__modal-title{
	text-align: center;
}

.services__modal-title{
	font-size: var(--h3-font-size);
	color: var(--first-color);
	margin-bottom: 1rem;
}

.services__modal-description{
	font-size: var(--small-font-size);
}
.services__modal-description p{
	margin-bottom: 0.5rem;
}

.services__modal-list{
	display: grid;
	row-gap: .75rem;
}

.services__modal-item{
	display: flex;
	align-items: flex-start;
	column-gap: .5rem;
}

.services__modal-icon{
	font-size: 1.5rem;
	color: var(--first-color);
}

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

.services__modal-close{
	position: absolute;
	top: 1.5rem;
	right: 1.5rem;
	font-size: 1.5rem;
	color: var(--first-color);
	cursor: pointer;
}

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

/*=============== WORK ===============*/
.work__container{
	padding-top: 1rem;
}

.work__filters{
	display: flex;
	justify-content: center;
	align-items: center;
	column-gap: .75rem;
	margin-bottom: 2rem;
	padding: 0 1rem;
}

.work__item{
	cursor: pointer;
	color: var(--title-color);
	padding: .25rem .75rem;
	font-weight: var(--font-medium);
	border-radius: .5rem;
}

.work__card{
	background-color: var(--container-color);
	padding: 1rem;
	border-radius: 1rem;
	overflow: hidden;
}

.work__img{
	border-radius: 1rem;
	margin-bottom: .75rem;
	-webkit-filter: grayscale(100%); /* Safari 6.0 - 9.0 */
	filter: grayscale(100%);
	transition: 0.5s all ease-in-out;
}
.work__img:hover{
	-webkit-filter: grayscale(0%); /* Safari 6.0 - 9.0 */
	filter: grayscale(0%);
	transform: scale(1.2);
}

.work__title{
	font-size: var(--normal-font-size);
	font-weight: var(--font-medium);
	margin-bottom: .25rem;
}

.work__button{
	width: max-content;
	color: var(--first-color);
	font-size: var(--small-font-size);
	display: flex;
	align-items: center;
	column-gap: .25rem;
}

.work__button:hover .work__icon{
	transform: translateX(.25rem);
}

.work__icon{
	font-size: 1rem;
	transition: .4s;
}

/* Active item work*/
.active-work{
	background-color: var(--first-color);
	color: var(--body-color);
}

/*=============== TESTIMONIAL ===============*/
.testimonial__card{
	background-color: var(--container-color);
	padding: 1.25rem 1.5rem;
	border-radius: 1.5rem;
	margin-bottom: 3rem;
}

.testimonial__img{
	width: 60px;
	border-radius: 3rem;
	margin-bottom: 1rem;
	transition: 0.5s all ease-in-out;
}
.testimonial__img:hover{
	transform: scale(1.1);
}

.testimonial__name{
	font-size: var(--normal-font-size);
	font-weight: var(--font-medium);
	margin-bottom: .25rem;
}

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

/* Swiper class */
.swiper-pagination-bullet{
	background-color: var(--text-color-light);
}

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

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

.contact__title{
	text-align: center;
	font-size: var(--h3-font-size);
	margin-bottom: 1.5rem;
}

.contact__info{
	display: grid;
	gap: 1rem;
}

.contact__card{
	background-color: var(--container-color);
	padding: 1rem;
	border-radius: 0.75rem;
	text-align: center;
}

.contact__card-icon{
	font-size: 2rem;
	color: var(--title-color);
	margin-bottom: 0.25rem;
	transition: 1s all ease-in-out;
}
.contact__card:hover .contact__card-icon{
	transform: rotate(360deg);
	color: var(--first-color);
}

.contact__card-title,
.contact__card-data{
	font-size: var(--small-font-size);
}

.contact__card-title{
	font-weight: var(--font-medium);
}

.contact__card-data{
	display: block;
	margin-bottom: 0.75rem;
}

.contact__button{
	color: var(--first-color);
	font-size: var(--small-font-size);
	display: flex;
	align-items: center;
	justify-content: center;
	column-gap: 0.25rem;
}

.contact__button:hover .contact__button-icon{
	transform: translateX(0.25rem);
}

.contact__button-icon{
	font-size: 1rem;
	transition: .4s;
}

#contact__noscript_message{
	display: none;
}
#contact__noscript_message p{
	padding: 20px 0;
	color: brown;
}

.contact__form-div{
	position: relative;
	margin-bottom: 2rem;
	height: 4rem;
}

.contact__form-input{
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	border: 2px solid var(--text-color-light);
	background: none;
	color: var(--text-color);
	outline: none;
	padding: 1.5rem;
	border-radius: 0.75rem;
	z-index: 1;
	transition: .5s all ease-in-out;
}

.contact__form-tag{
	position: absolute;
	top: -0.75rem;
	left: 1.25rem;
	font-size: var(--smaller-font-size);
	padding: 0.25rem;
	background-color: var(--body-color);
	z-index: 10;
}

.contact__form-area{
	height: 11rem;
}

.contact__form-area textarea{
	resize: none;
}

#contact__form_preloader{
	display: none;
	margin: 3px auto 0 auto;
	width: 32px;
	height: 32px;
	background: url('../img/preloader.gif') no-repeat;
	background-size: 32px;
}
#contact__form_submit_message{
	display: none;
	height: auto;
	margin-bottom: 17px;
	text-align: center;
}
#contact__form_submit_message.error{
	margin-bottom: -3px;
}

.error{
	border-color: var(--error-message-text-color);
}

.error_message{
	position: absolute;
	top: 4rem;
	height: 20px;
	line-height: 20px;
	color: var(--error-message-text-color);
	font-size: 0.9rem;
}
textarea + .error_message{
	top: 11rem;
}

/*=============== FOOTER ===============*/
.footer{
	background-color: var(--first-color);
}

.footer__container{
	padding: 2rem 0 6rem;
}

.footer__title,
.footer__link{
	color: var(--body-color);
}

.footer__title{
	text-align: center;
	margin-bottom: 2rem;
}

.footer__list{
	display: flex;
	justify-content: center;
	column-gap: 1.5rem;
	margin-bottom: 2rem;
}

.footer__social{
	display: flex;
	justify-content: center;
	column-gap: 1.25rem;
}

.footer__social-link{
	background-color: var(--body-color);
	color: var(--first-color);
	padding: 0.25rem;
	border-radius: 0.25rem;
	font-size: 1rem;
	display: inline-flex;
}

.footer__copy{
	display: block;
	margin-top: 4.5rem;
	color: var(--container-color);
	text-align: center;
	font-size: var(--smaller-font-size);
}

/*=============== SCROLL BAR ===============*/
::-webkit-scrollbar{
	width: 0.6rem;
	border-radius: 0.5rem;
	background-color: hsl(var(--second-hue), 8%, 38%);
}

::-webkit-scrollbar-thumb{
	background-color: hsl(var(--second-hue), 8%, 26%);
	border-radius: 0.5rem;
}

::-webkit-scrollbar-thumb:hover{
	background-color: hsl(var(--second-hue), 8%, 20%);
}

/*=============== BREAKPOINTS ===============*/
/* For small devices */
@media screen and (max-width: 320px){
	.nav__menu{
		padding: 1rem 1.5rem;
	}

	.home__buttons{
		flex-direction: column;
	}

	.about__info{
		grid-template-columns: repeat(2, 1fr);
	}

	.skills__box{
		column-gap: 1rem;
	}
	.skills__name{
		font-size: var(--small-font-size);
	}

	.services__container{
		grid-template-columns: 145px;
		justify-content: center;
	}

	.work__filters{
		column-gap: 0.1rem;
	}
}

@media screen and (max-width: 370px){
	.work__item{
		font-size: var(--small-font-size);
	}
}

@media screen and (max-width: 420px){
	.home__handle{
		width: 150px;
		height: 150px;
	}
}

/* For medium devices */
@media screen and (min-width: 576px){
	.nav__menu{
		width: 328px;
		left: 0;
		right: 0;
		margin: 0 auto;
	}

	.about__info{
		grid-template-columns: repeat(3, 140px);
		justify-content: center;
	}
	.about__description{
		padding: 0 5rem;
	}

	.skills__container{
		justify-content: center;
	}
	.skills__content{
		padding: 2rem 4rem;
	}

	.services__container{
		grid-template-columns: repeat(2, 160px);
		justify-content: center;
	}
	.services__modal-content{
		width: 500px;
		padding: 2rem 1.5rem 1rem;
	}

	.work__container{
		justify-content: center;
	}
	.work__img{
		width: 295px;
	}

	.contact__info{
		grid-template-columns: 300px;
		justify-content: center;
	}
	.contact__form,
	#contact__noscript_message{
		width: 360px;
		margin: 0 auto;
	}
}

@media screen and (min-width: 767px){
	.work__container{
		grid-template-columns: repeat(2, max-content);
	}

	.contact__container{
		grid-template-columns: repeat(2, max-content);
		justify-content: center;
		column-gap: 3rem;
	}
}


/* For large devices */
@media screen and (min-width: 992px){
	.container{
		margin-left: auto;
		margin-right: auto;
	}

	.section{
		padding: 6.5rem 0 1rem;
	}
	.section__title{
		margin-bottom: 3.5rem;
	}

	.nav{
		height: calc(var(--header-height) + 1rem);
	}

	.home__handle{
		width: 400px;
		height: 400px;
	}
	.home__social-link{
		padding: 0.4rem;
		font-size: 1.25rem;
	}
	.home__social::after{
		transform: rotate(90deg) translate(16px, 0);
	}
	.home__scroll-icon{
		font-size: 2rem;
	}

	.about__container{
		grid-template-columns: repeat(2, 1fr);
		align-items: center;
		column-gap: 4rem;
	}
	.about__img{
		width: 350px;
	}
	.about__data{
		text-align: initial;
	}
	.about__info{
		justify-content: initial;
	}
	.about__box{
		text-align: center;
		padding: 1rem 0;
	}
	.about__description{
		padding: 0;
	}

	.skills__container{
		grid-template-columns: repeat(2, 350px);
		column-gap: 3rem;
	}

	.services__container{
		grid-template-columns: repeat(3, 192px);
		column-gap: 3rem;
	}
	.services__card{
		padding: 5rem 2rem 1.5rem;
	}

	.work__container{
		gap: 3rem;
	}
	.work__card{
		padding: 1.25rem;
	}
	.work__img{
		margin-bottom: 1rem;
	}
	.work__title{
		margin-bottom: 0.5rem;
	}

	.testimonial__container{
		width: 750px;
	}
	.testimonial__card{
		padding: 1.5rem 2rem;
	}

	.contact__container{
		column-gap: 6rem;
	}

	.footer__social-link{
		font-size: 1.25rem;
		padding: 0.4rem;
		border-radius: 0.5rem;
	}
}