/* GOOGLE FONTS */
@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

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

    /*========== Colors ==========*/
    /* Color mode HSL (hue, saturation, brightness) */
    /* 
        Purple: hsl(250, 66%, 75%) 
        Blue: hsl(207, 90%, 72%)
        Pink: hsl(356, 66%, 75%)
        Teal: hsl(174, 63%, 62%)    
    */

    --first-hue: 45;
    --sat: 100%;
    --lig: 50%;
    --second-hue: 42;

    --first-color: hsl(var(--first-hue), var(--sat), var(--lig));
    --first-color-alt: hsl(var(--first-hue), var(--sat), 71%);
    --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), 48%, 8%);
    --container-color: hsl(var(--second-hue), 32%, 12%);

    /*============ FONTS AND TYPOGRAPHY ===========*/
    /* 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 =============*/
.change-theme {
    font-size: 1.25rem;
    cursor: pointer;
    transition: .3s;
}

.change-theme: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), 100%, 99%);
    --container-color: #fff;
}

/*================ Colour changes in some parts of 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%, .8);
}

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

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

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

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

.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: 0 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 AND NAVBAR ===========*/
.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), 32%, 16%, .8);
    width: 90%;
    border-radius: 4rem;
    padding: 1rem 2.25rem;
    backdrop-filter: blur(10px);
    margin-left: auto;
    margin-right: auto;
    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: linear-gradient(180deg,
            hsla(var(--first-hue), var(--sat), var(--lig), 1),
            hsla(var(--first-hue), var(--sat), var(--lig), .2));

    box-shadow: 0 0 16px hsla(var(--first-hue), var(--sat), var(--lig), .4);
    color: var(--title-color);
}

/* Change Background Header */
.scroll-header {
    box-shadow: 0 4px 4px hsl(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: 160px;
}

.home__handle {
    justify-self: center;
    width: 190px;
    height: 293px;
    background: linear-gradient(180deg,
            hsla(var(--first-hue), var(--sat), var(--lig), 1),
            hsla(var(--first-hue), var(--sat), var(--lig), .2));
    border-radius: 10rem 10rem 1rem 1rem;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    overflow: hidden;
}

.home__buttons {
    display: flex;
    justify-content: center;
    align-items: 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: #fff;
}

.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 {
    align-items: center;
    display: inline-block;
    background-color: var(--first-color);
    color: var(--body-color);
    padding: .75rem 1rem;
    border-radius: .5rem;
    font-size: 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);
    display: flex;
    align-items: center;
}

.button--flex {
    display: inline-flex;
    align-items: center;
}

.button--small {
    padding: 0.25rem .5rem;
    font-size: var(--smaller-font-size);
}

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

.about__img {
    width: 220px;
    border-radius: 1.5rem;
    justify-self: center;
}

.about__data {
    text-align: center;
}

.about__info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    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: 2rem;
}

/*============= 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;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.skills__group,
.skills__data,
.skills__blob {
    display: grid;
}

.skills__group {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem 1rem;
    justify-content: center;
}

.skills__data {
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    place-items: center;
}

.skills__blob {
    width: 50px;
    height: 75px;
    place-items: center;
}

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

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

/* Animationa Skills */
.skills__blob:hover img {
    animation: bounce-skills 1s;
}

@keyframes bounce-skills {
    0% {
        transform: translate(0);
    }

    20% {
        transform: translateY(-6px);
    }

    40% {
        transform: translate(0);
    }

    60% {
        transform: translateY(-3px);
    }

    80% {
        transform: translate(0);
    }
}

/*============== QUALIFICATIONS =============*/
.qualification__tabs {
    display: flex;
    justify-content: space-evenly;
    margin-bottom: 2rem;
}

.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: 1.5rem;
    margin-right: 0.25rem;
}

.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: .75rem;
}

.qualification__calander {
    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);
}

/*============== PORTFOLIO =================*/
.portfolio__container {
    padding-top: 1rem;
}

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

.portfolio__img {
    border-radius: 1rem;
    margin-bottom: .75rem;
}

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

.portfolio__content{
    padding:0 .2rem;
}

.portfolio__description {
    margin-bottom: .5rem;
    display: flex;
    font-size: var(--small-font-size);
}

.portfolio__calander {
    margin-bottom: .25rem;
    font-size: var(--smaller-font-size);
    color: var(--title-color);
}

.portfolio__skills{
    margin-bottom: .5rem;
}

.portfolio__skills-button{
    background-color: hsla(var(--first-hue), var(--sat), var(--lig), .2);
    font-size: var(--tiny-font-size);
    padding:.25rem .35rem;
    border-radius: .3rem;
    margin-bottom: .1rem;
    font-weight: var(--font-medium);
}

.portfolio__icon {
    margin-right: .25rem;
}

/*============= 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: .75rem;
    text-align: center;
}

.contact__card-icon {
    font-size: 2rem;
    color: var(--title-color);
    margin-bottom: .25rem;
}

.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: .75rem;
}

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

.contact__button:hover .contact__button-icon {
    transform: translateX(.25rem);
}

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

.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: .75rem;
    z-index: 1;
}

.contact__form-tag {
    position: absolute;
    top: -.75rem;
    left: 1.25rem;
    font-size: var(--smaller-font-size);
    padding: .25rem;
    background-color: var(--body-color);
    z-index: var(--z-tooltip);
}

.contact__form-area {
    height: 11rem;
}

.contact__form-area textarea {
    resize: none;
}

/*==================  =================*/
.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: .25rem;
    font-size: var(--h3-font-size);
    display: inline-flex;
}

.footer__copy {
    display: block;
    margin-top: 3.5rem;
    color: var(--container-color);
    text-align: center;
    font-size: var(--smaller-font-size);
}

/*================= SCROLL BAR ===============*/
::-webkit-scrollbar {
    width: .6rem;
    border-radius: .5rem;
    background-color: hsl(var(--second-hue), 8%, 38%);
}

::-webkit-scrollbar-thumb {
    border-radius: .5rem;
    background-color: hsl(var(--second-hue), 8%, 26%);
}

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

/*============= Add Responsiveness - BREAKPOINTS ==============*/
/* For small devices */
@media screen and (max-width: 320px) {
    .nav__menu{
        padding: 1rem 1.5rem;
    }
    .home__buttons{
        flex-direction: column;
    }
    .home__handle{
        width: 150px;
        height: 253px;
    }
    .about__info{
        grid-template-columns: repeat(2, 180px);
        justify-content: center;
    }
    .home__img{
        width: 130px;
    }
    .skills__box{
        column-gap: 1rem;
    }
    .skills__name{
        font-size: var(--small-font-size);
    }
}

/* 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(2, 210px);
        justify-content: center;
    }
    .about__description{
        padding: 0 5rem;
    }
    .skills__container{
        justify-content: center;
    }
    .skills__content{
        padding: 2rem 4rem;
    }
    .qualification__sections{
        display: grid;
        grid-template-columns: .6fr;
        justify-content: center;
    }
    .portfolio__container{
        justify-content: center;
    }
    .portfolio__card{
        width: 340px;
    }
    .contact__info{
        grid-template-columns: 300px;
        justify-content: center;
    }
    .contact__form{
        width: 360px;
        margin: 0 auto;
    }
}

@media screen and (min-width: 767px) {
    .portfolio__container{
        grid-template-columns: repeat(2, max-content);
    }
    .portfolio__card{
        width: 340px;
    }
    .skills__container{
        grid-template-columns: repeat(2, 325px);
        gap: 1.5rem;
    }
    .contact__container{
        grid-template-columns: repeat(2, max-content);
        justify-content: center;
        column-gap: 3rem;
    }
    .qualification__tabs{
        justify-content: center;
    }
    .qualification__button{
        margin: 0 1rem;
    }
    .qualification__sections{
        grid-template-columns: .5fr;
    }
}

/* For Large Devices */
@media screen and (min-width: 992px) {
    .container{
        margin: 0 auto;
    }

    .section{
        padding: 6.5rem 0 1rem;
    }
    .section__title{
        margin-bottom: 3.5rem;
    }
    .nav{
        height: calc(var(--header-height) + 1rem);
    }
    .home__handle{
        width: 290px;
        height: 400px;
    }
    .home__img{
        width: 220px;
    }
    .home__social-link{
        padding: .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;
    }
    .about__img{
        width: 350px;
    }
    .about__data{
        text-align: initial;
    }
    .about__info{
        justify-content: initial;
    }
    .about__box{
        text-align: center;
        padding: 1rem 1.25rem;
    }
    .about__description{
        padding: 0 4rem 0 0;
        margin-bottom: 2.5rem;
    }
    .skills__container{
        grid-template-columns: repeat(2, 400px);
        gap: 2rem;
    }
    .skills__group{
        gap: 2.5rem 2rem;
    }
    .skills__blob{
        width: 60px;
        height: 90px;
    }
    .portfolio__container{
        gap: 2rem;
    }
    .portfolio__img{
        margin-bottom: .5rem;
    }
    .portfolio__title{
        margin-bottom: .5rem;
    }
    .contact__container{
        column-gap: 6rem;
    }
    .footer__social-link{
        font-size: 1.25rem;
        padding:.2rem .4rem;
        border-radius: .5rem;
    }
}