@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600&family=Syne:wght@400..800&display=swap");

:root {
    --hue: 220;
    --primary-color: hsl(var(--hue), 80%, 60%);
    --gradient-color: linear-gradient(90deg, hsl(var(--hue), 75%, 60%) 0%, hsl(var(--hue), 100%, 85%) 40%, hsl(var(--hue), 100%, 85%) 60%, hsl(var(--hue), 75%, 60%) 100%);
    --white-color: hsl(var(--hue), 20%, 98%);
    --black-color: hsl(var(--hue), 12%, 8%);
    --text-color: hsl(var(--hue), 4%, 70%);
    --body-color: hsl(var(--hue), 12%, 4%);
    --container-color: hsl(var(--hue), 8%, 10%);
    --border-color: hsl(var(--hue), 8%, 20%);

    --font-family-primary: "Poppins", sans-serif;
    --font-family-secondary: "Syne", sans-serif;

    --font-size-largest: 2rem;
    --font-size-larger: 1.75rem;
    --font-size-h1: 1.5rem;
    --font-size-h2: 1.25rem;
    --font-size-h3: 1rem;
    --font-size-root: .938rem;
    --font-size-small: .813rem;
    --font-size-smaller: .75rem;

    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semi-bold: 600;

    --header-height-small: 3.5rem;
    --header-height-large: 5.5rem;

    --z-tooltip: 1;
    --z-medium: 5;
    --z-fixed: 10;
}

@media (min-width: 1024px) {
    :root {
        --font-size-largest: 5rem;
        --font-size-larger: 3rem;
        --font-size-h1: 2.25rem;
        --font-size-h2: 1.5rem;
        --font-size-h3: 1.25rem;
        --font-size-root: 1rem;
        --font-size-small: .875rem;
        --font-size-smaller: .813rem;
    }
}

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

html {
    scroll-behavior: smooth;
}

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

body {
    background-color: var(--body-color);
    color: var(--text-color);

    &.locked {
        overflow: hidden;
    }
}

input,
button,
textarea {
    border: none;
    outline: none;
    background: none;
}

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

ul {
    list-style: none;
}

a {
    text-decoration: none;
}

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

.container {
    max-width: 1120px;
    margin-inline: 1rem;
}

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

.section {
    padding-block: 5rem 1rem;
}

.section__title {
    text-align: center;
    font-size: var(--font-size-larger);
    color: var(--white-color);
    margin-bottom: 2rem;
}

.section__title span {
    color: var(--primary-color);
}

.main {
    overflow: hidden;
}

.blob-small,
.blob-big {
    background-color: var(--primary-color);
    border-radius: 50%;
    position: absolute;
    z-index: -1;
}

.blob-small {
    width: 100px;
    height: 100px;
    filter: blur(50px);
}

.blob-big {
    width: 150px;
    height: 150px;
    filter: blur(100px);
}

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

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

.nav__logo {
    display: flex;
    column-gap: 1rem;
    align-items: center;

    &>span {
        color: var(--black-color);
        font-family: var(--font-family-secondary);
        font-weight: var(--font-weight-semi-bold);
    }
}

.nav__list {
    display: flex;
    flex-direction: column;
    row-gap: 3rem;
}

@media (max-width: 1024px) {
    .nav__menu {
        position: fixed;
        z-index: var(--z-medium);
        top: 0;
        right: 0;
        width: 100vw;
        height: 100vh;
        padding: 6rem 2rem 2rem 3rem;
        background-color: hsla(var(--hue), 12%, 4%, 1);
        transform: translateX(100%);
        will-change: transform;
    }

    .nav__link {
        color: var(--white-color);

        &::after {
            background-color: var(--white-color);
        }
    }
}

@media (min-width: 1024px) {
    .nav__link {
        color: var(--black-color);

        &::after {
            background-color: var(--black-color);
        }
    }
}

.nav__link {
    position: relative;
    display: inline-block;
    font-weight: var(--font-weight-semi-bold);
    transition: color .4s, transform .25s cubic-bezier(.25, 1, .5, 1);

    &::after {
        content: "";
        position: absolute;
        top: 0;
        left: -1rem;
        bottom: 0;
        width: 6px;
        height: 6px;
        border-radius: 50%;
        margin-block: auto;
        opacity: 0;
        transition: opacity .4s;
    }
}

.nav__burger {
    position: relative;
    display: block;
    width: 24px;
    height: 24px;
    color: var(--black-color);
    cursor: pointer;
    z-index: var(--z-fixed);
}

.burger__layer {
    position: absolute;
    display: block;
    top: 50%;
    width: 17px;
    height: 0;
    border-bottom: 2px solid var(--black-color);
    transform-style: preserve-3d;
    backface-visibility: hidden;
    transition: transform .4s, width .4s, opacity .4s, margin .4s;
}

.burger__layer--top {
    width: 17px;
    transform: rotate(0deg);

    margin-top: -6px;
    margin-left: 4px;
}

.burger__layer--bottom {
    margin-top: 6px;
    margin-left: 4px;
}

.nav__burger--open {
    & .burger__layer {
        border-bottom: 2px solid var(--white-color);
    }

    & .burger__layer--top {
        margin-top: -1px;
        margin-left: 3px;
        transform-origin: center;
        transform: rotate(45deg);
    }

    & .burger__layer--middle {
        opacity: 0;
    }

    & .burger__layer--bottom {
        margin-top: -1px;
        margin-left: 3px;
        transform-origin: center;
        transform: rotate(-45deg);
    }
}

.nav__burger.animate-nav-burger {
    & .burger__layer--top {
        width: 21px;
        animation: animate-nav-burger .3s ease;
    }

    & .burger__layer--middle {
        width: 15px;
        animation: animate-nav-burger .3s .1s ease;
    }

    & .burger__layer--bottom {
        width: 11px;
        animation: animate-nav-burger .3s .2s ease;
    }
}

@keyframes animate-nav-burger {
    0% {
        transform: translateX(0);
    }

    50% {
        transform: translateX(-2px);
    }
}

/* Show Navigation Menu */
.nav__menu--open {
    transform: translateX(0);
    transition: transform .4s;
}

/* Change header styles */
.scroll-header::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: hsla(var(--hue), 8%, 10%, 0.4);
    backdrop-filter: blur(24px);
    top: 0;
    left: 0;
    z-index: -1;
}

.scroll-header {
    & .nav__logo>span {
        color: var(--white-color);
    }

    & .nav__link {
        color: var(--white-color);

        &::after {
            background-color: var(--white-color);
        }
    }

    & .burger__layer {
        border-bottom: 2px solid var(--white-color);
    }
}

.active-link::after {
    opacity: 1;
}

.home {
    background: linear-gradient(#c0d1e2 0%, #8aa8ca 10%, #587fb1 30%, #587fb1 100%);
    position: relative;
    overflow: hidden;
    height: 100vh;
}

.home__background {
    position: absolute;
    width: 100%;
    height: 100%;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}

.home__background-image-1 {
    background-image: url("assets/images/layer-1.svg");
    z-index: 4;
}

.home__background-image-2 {
    background-image: url("assets/images/layer-2.svg");
    z-index: 3;
}

.home__background-image-3 {
    background-image: url("assets/images/layer-3.svg");
    z-index: 2;
}

.home__background-image-4 {
    background-image: url("assets/images/layer-4.svg");
    z-index: 1;
}

.home__title-wrapper {
    z-index: 1;
    position: absolute;
    top: 33.5%;
    left: 50%;

    transform: translate(-50%, -100%);
    width: max-content;
}

.home__title {
    text-align: left;

    & h1 {
        font-size: var(--font-size-largest);
        background: linear-gradient(0deg, #f0c62a 0%, var(--white-color) 100%);
        background-clip: text;
        -webkit-background-clip: text;
        color: transparent;
        -webkit-text-fill-color: transparent;
        filter: drop-shadow(0rem .2rem .1rem hsla(43, 100%, 52%, .2));
    }

    & h3 {
        font-size: var(--font-size-h3);
        color: var(--white-color);
    }

    & h3:last-of-type {
        display: none;
    }
}

.home__typed-wrapper {
    z-index: 2;
    position: absolute;
    top: calc(42.5% + 1.5rem);
    left: 50%;

    transform: translate(-50%, -150%);
    width: max-content;
}

.home__typed {
    & span {
        font-size: var(--font-size-h1);
        background: linear-gradient(0deg, #bccff5 0%, var(--white-color) 100%);
        background-clip: text;
        -webkit-background-clip: text;
        color: transparent;
        -webkit-text-fill-color: transparent;
    }
}

.home__subtitle-wrapper {
    z-index: 2;
    position: absolute;
    top: 34%;
    left: 51%;

    transform: translateX(-50%);
    width: 252px;
}

.home__subtitle {
    text-align: left;

    font-size: var(--font-size-h3);
    color: var(--white-color);
}

.home__images-wrapper {
    z-index: 3;
    position: absolute;
    top: 64%;
    left: 50%;

    transform: translate(-50%, -50%);
}

.home__images {

    & .home__box-1,
    & .home__box-2,
    & .home__box-3 {
        width: 168px;
        height: 200px;
        border-radius: 1.5rem;
    }

    & .home__box-1 {
        background: linear-gradient(180deg, hsl(var(--hue), 54%, 38%) 0%, hsl(var(--hue), 54%, 13%) 100%);
        position: relative;
        left: 1.5rem;
        top: 1.5rem;
        rotate: 10deg;
    }

    & .home__box-2 {
        background: linear-gradient(180deg, hsl(var(--hue), 81%, 67%) 0%, hsl(var(--hue), 81%, 42%) 100%);
        position: absolute;
        left: .75rem;
        top: .75rem;
        rotate: 5deg;
    }

    & .home__box-3 {
        background: linear-gradient(180deg, hsl(var(--hue), 75%, 85%) 0%, hsl(var(--hue), 75%, 60%) 100%);
        position: absolute;
        top: 0;
        left: 0;
        display: grid;
        place-items: center;
    }

    & .home__image {
        width: 111px;
        mask-image: linear-gradient(to bottom, hsla(var(--hue), 75%, 60%), 70%, transparent 100%);
    }
}

#home-gesture {
    position: absolute;
    bottom: 2.5rem;
    z-index: 5;
}

/* Swipe Up */
.swipe-up-gesture {
    width: 100%;
    display: flex;
    justify-content: center;

    & i {
        color: var(--white-color);
        font-size: 2rem;
        animation: swipe-up 2s ease-out infinite;
    }
}

@keyframes swipe-up {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-6px);
    }

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

/* Scroll Down */
.scroll-down-gesture {
    display: flex;
    justify-self: center;
    width: 18px;
    height: 27px;
    border: 2px solid var(--white-color);
    border-radius: 999px;

    &::after {
        content: "";
        position: absolute;
        bottom: .25rem;
        left: 50%;
        transform: translateX(-50%);
        width: .25rem;
        height: .25rem;
        display: block;
        background-color: var(--white-color);
        border-radius: 50%;
        animation: scroll-down 2s infinite;
    }
}

@keyframes scroll-down {
    0% {
        bottom: 6px;
        opacity: 0;
    }

    50% {
        bottom: 3px;
        opacity: 1;
    }

    100% {
        bottom: 2px;
        opacity: 0;
    }
}

.about__card {
    position: relative;
    background-color: var(--container-color);
    border-radius: 1.5rem;
    overflow: hidden;
    display: flex;
    flex-direction: column;

    &> :not(:nth-last-child(-n+2)) {
        z-index: 2;
    }
}

.about__profession {
    padding-top: 1.5rem;
    padding-inline: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    column-gap: .5rem;
}

.about__icon {
    font-size: 2rem;
    color: var(--primary-color);
}

.about__title {
    font-size: var(--font-size-h2);
}

.about__list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
}

.about__item {
    display: flex;
    align-items: center;
    column-gap: .25rem;
    cursor: default;
    width: max-content;
}

.about__image {
    width: 1rem;
}

.about__content {
    padding: 1.5rem 1rem;
    font-size: var(--font-size-root);

    & span {
        color: var(--primary-color);
    }
}

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

.about__swiper {
    padding: 1.5rem 1rem;
}

.about__swiper:has(.swiper-pagination:not(.swiper-pagination-lock)) {
    width: 100%;
    height: 100%;
    padding-bottom: 3.5rem;
}

.about .swiper-pagination-bullets {
    bottom: 1.5rem;
}

.about .swiper-pagination-bullet {
    background-color: var(--primary-color);
    transition: opacity 0.4s;
}

.about__item:hover {
    filter: drop-shadow(0 0 12px var(--primary-color));
}

.about__item:hover .about__name {
    color: var(--primary-color);
    text-shadow: var(--primary-color) 0 0 12px;
}

.about__card .blob-small {
    z-index: 1;
    top: -5rem;
    left: 0;
    right: 0;
    justify-self: center;
}

.work__card {
    position: relative;
    padding: 1rem 1rem 3rem;
    width: 300px;
    background-color: var(--container-color);
    border-radius: 1rem;
    overflow: hidden;
}

.work__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;

    & .work__number {
        font: var(--font-weight-semi-bold) var(--font-size-largest) var(--font-family-secondary);
        color: var(--primary-color);
    }

    & .work__link {
        display: grid;
        place-items: center;
        padding: 6px;

        font-size: 1.25rem;
        background: hsla(var(--hue), 8%, 10%, .6);
        border-radius: 50%;
        color: var(--primary-color);
        opacity: 0;

        &:hover {
            background-color: hsl(var(--hue), 8%, 10%);
            color: var(--primary-color);
            transition: background-color .4s, color .4s;
        }
    }
}

.swiper-slide-active .work__link {
    opacity: 1;
}

.work__name {
    font-size: var(--font-size-h2);
    color: var(--white-color);
    margin-bottom: 0.5rem;
}

.work__description {
    margin-bottom: 1.5rem;
}

.work__skills {
    width: max-content;
    height: 2rem;
    background-color: var(--black-color);
    padding-inline: .75rem;
    display: flex;
    align-items: center;
    column-gap: .75rem;
    border-radius: 4rem;
    margin-bottom: 1.5rem;

    & .work__skill {
        width: 1rem;
    }
}

.work__footer {
    display: flex;
    flex-direction: column;

    & span {
        color: var(--white-color);
    }
}

.work__card .blob-big {
    top: 0;
    right: 0;
    transform: translate(50%, -50%);
    z-index: -1;
}

.work__swiper {
    width: 100%;
    height: 100%;
    padding-bottom: 4rem;
}

.work .swiper-pagination-bullets {
    bottom: 0;
}

.work .swiper-pagination-bullet {
    background-color: var(--primary-color);
    transition: opacity .4s;
}

::-webkit-scrollbar {
    display: none;
    width: 0.6rem;
    background-color: hsl(var(--hue), 6%, 12%);
    border-radius: 0.5rem;
}

::-webkit-scrollbar-thumb {
    background-color: hsl(var(--hue), 6%, 12%);
    border-radius: 0.5rem;
}

::-webkit-scrollbar-thumb:hover {
    background-color: hsl(var(--hue), 6%, 24%);
}

.scrollup {
    position: fixed;
    right: 1rem;
    bottom: -50%;
    background-color: hsla(var(--hue), 8%, 10%, 0.4);
    color: var(--white-color);
    backdrop-filter: blur(8px);
    display: inline-flex;
    padding: 6px;
    font-size: 1.25rem;
    border-radius: 50%;
    z-index: var(--z-tooltip);
    transition: bottom 0.4s, transform 0.4s;
}

.scrollup:hover {
    transform: translateY(-0.5rem);
}

/* Show Scroll Up */
.show-scroll {
    bottom: 3rem;
}

.footer {
    position: relative;
    padding-block: 5rem 2rem;
    overflow: hidden;
}

.footer__container {
    row-gap: 2rem;
}

.footer__title {
    display: flex;
    column-gap: 1.5rem;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.footer__title>h2 {
    color: var(--white-color);
    font: var(--font-weight-semi-bold) var(--font-size-h1) var(--font-family-secondary);
    transition: color .4s;
    user-select: none;
    cursor: pointer;

    &:hover {
        color: var(--primary-color);
    }
}

.footer__links,
.footer__social {
    display: flex;
    justify-content: center;
}

.footer__links {
    column-gap: 2rem;
}

.footer__link {
    color: var(--text-color);
    font-weight: var(--font-weight-semi-bold);
    font-family: var(--font-family-secondary);
    transition: color 0.4s;
}

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

.footer__social {
    column-gap: 1.5rem;
}

.footer__social-link {
    color: var(--primary-color);
    font-size: 1.5rem;
    transition: transform 0.4s;
}

.footer__social-link:hover {
    transform: translateY(-0.25rem);
}

.footer__copy {
    display: block;
    text-align: center;
    margin-top: 5rem;
    font-size: var(--font-size-small);
}

.footer .blob-big {
    bottom: -4.5rem;
    left: 0;
    right: 0;
    margin-inline: auto;
}

@media (min-width: 540px) {

    .home__container,
    .about__container,
    .footer__container {
        grid-template-columns: 400px;
        justify-content: center;
    }

    .about__description {
        width: 500px;
        margin-inline: auto;
    }
}

@media (min-width: 720px) {
    .work__swiper {
        max-width: 720px;
    }
}

/* For desktop */
@media (min-width: 1024px) {
    ::-webkit-scrollbar{
        display: initial;
    }
    .container {
        margin-inline: auto;
    }

    .nav {
        height: var(--header-height-large);
        align-items: center;
    }

    .nav__burger {
        display: none;
    }

    .nav__menu {
        width: initial;
    }

    .nav__list {
        flex-direction: row;
        align-items: center;
        column-gap: 4rem;
    }

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

    .home__title-wrapper {
        z-index: 5;
        top: calc(var(--header-height-large) + 52%);
        left: 80%;
        transform: translate(-100%, -100%);
    }

    .home__title {
        & h1 {
            font-size: var(--font-size-h1);
            background: linear-gradient(0deg, #bccff5 0%, var(--white-color) 100%);
            background-clip: text;
            filter: drop-shadow(0rem .2rem .1rem hsla(var(--hue), 53%, 38%, .4));
        }

        & h3:last-of-type {
            display: initial;
        }
    }

    .home__typed-wrapper {
        z-index: 3;
        top: calc(var(--header-height-large) + 60%);
        left: 80%;
        transform: translate(-100%, -100%);
    }

    .home__typed {
        & span {
            background: linear-gradient(0deg, hsl(var(--hue), 82%, 67%) 0%, var(--white-color) 100%);
            background-clip: text;
            filter: drop-shadow(0rem .2rem .1rem hsla(var(--hue), 53%, 38%, .4));
        }
    }

    .home__subtitle-wrapper {
        display: none;
    }

    .home__images-wrapper {
        z-index: 3;
        top: calc(65% - var(--header-height-large));
        left: 20%;
        transform: translate(0, -50%);
    }

    .home__images {

        & .home__box-1,
        & .home__box-2,
        & .home__box-3 {
            width: 252px;
            height: 300px;
        }

        & .home__image {
            width: 168px;
        }
    }

    .work__card {
        width: 350px;
        border-radius: 2rem;
        padding: 1.5rem 1.5rem 4rem;
    }

    .work__header .work__number {
        font-size: var(--font-size-larger);
    }

    .work__swiper {
        max-width: 800px;
    }

    .footer__container {
        grid-template-columns: repeat(3, 1fr);
        align-items: center;
    }

    .footer__title {
        margin-bottom: 0;
        justify-self: flex-start;
    }

    .footer__title>h2 {
        font-size: var(--font-size-h2);
    }

    .footer__links {
        column-gap: 3rem;
    }

    .footer__social {
        justify-self: flex-end;
    }

    .footer .blob-big {
        bottom: -7.5rem;
    }

    .scrollup {
        right: 3rem;
    }
}