/* --------------------------------- */
/* ----- Basic Setup -----*/
/* --------------------------------- */

@font-face {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    font-display: swap;
    font-weight: 200 900;
    font-stretch: 75% 125%;
}

:root {
    --h1: 3.5rem;
    --h2: 3rem;
    --h3: 2.145rem;
    --h4: 1.5rem;
    --text-large: 1.6rem;
    --text-medium: 1.275rem;
    --text-small: 1.125rem;

    --gradient-brand: radial-gradient(at 60% 31%,
            rgb(255, 131, 139) 0px,
            transparent 50%),
        radial-gradient(at 48% 98%, rgba(0, 255, 166, 0.707) 0px, transparent 50%),
        radial-gradient(at 84% 67%, rgb(255, 129, 125) 0px, transparent 50%),
        radial-gradient(at 16% 47%, rgb(255, 90, 112) 0px, transparent 50%),
        radial-gradient(at 73% 11%, rgb(115, 255, 225) 0px, transparent 50%),
        radial-gradient(at 49% 37%, rgba(255, 249, 89, 0.695) 0px, transparent 50%),
        radial-gradient(at 70% 21%, rgba(58, 255, 186, 0.715) 0px, transparent 50%);
    --easing: cubic-bezier(0.86, 0, 0.07, 1);

    --site-max-width: 1280px;
    --gutter-nano: 0.5rem;
    --gutter-micro: 1rem;
    --gutter-x-small: 1.5rem;
    --gutter-small: 2rem;
    --gutter-medium: 2.5rem;
    --gutter-large: 3rem;
    --gutter-x-large: 6rem;
    --gutter-huge: 12rem;

    --scroll-padding: 4.375rem;
    --radius: 85px;
}

body.dark {
    --bg-color-primary: #0c0a0a;
    --bg-color-secondary: #161211;
    --important: #fff;
    --sub: #c3c3c3;
    --body: #989898;
    --border: #c0c0c015;
    --border-dark: #c0c0c02f;
    --gradient-border: linear-gradient(to left bottom, #777, #0e0d0d);
    --shadow: 0 1rem 1rem #00000040;
}

body.light {
    --bg-color-primary: #fbfbfb;
    --bg-color-secondary: #ffffff;
    --important: #000;
    --sub: #111;
    --body: #585b63;
    --border: #62626234;
    --border-dark: #5e5e5e1f;
    --gradient-border: linear-gradient(to left bottom, #000000c6, #0e0d0d00);
    --shadow: 0 1rem 1rem rgba(0, 0, 0, 0.25);
}

*,
*::after,
*::before {
    margin: 0;
    padding: 0;
    box-sizing: inherit;
}

html {
    font-family: "Mona Sans", sans-serif;
    box-sizing: border-box;
    scroll-padding-top: var(--scroll-padding);
}

@media (max-width: 1200px) {
    html {
        font-size: 90%;
    }
}

@media (max-width: 645px) {
    html {
        font-size: 80%;
    }
}

body {
    font-size: var(--text-medium);
    color: var(--body);
    background-color: var(--bg-color-primary);
    line-height: 1.4;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

/* Improve media defaults */

picture,
svg,
img {
    display: block;
    max-inline-size: 100%;
    object-fit: contain;
}

textarea {
    resize: none;
}

/* --------------------------------- */
/* ----- Typography -----*/
/* --------------------------------- */

input,
textarea,
button {
    font: inherit;
}

p,
h1,
h2,
h3,
.h4 {
    overflow-wrap: break-word;
}

h1,
h2,
h3,
.h4 {
    font-stretch: 125%;
    line-height: 1.2;
    color: var(--important);
}

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

.h2 {
    font-size: var(--h2);
    text-align: center;
}

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

.h4 {
    font-size: var(--h4);
}

@media (max-width: 845px) {
    :root {
        --h1: 2.845rem;
        --h2: 2.45rem;
        --h3: 1.85rem;
    }
}

@media (max-width: 700px) {
    :root {
        --h1: 2.545rem;
    }
}

@media (max-width: 545px) {
    :root {
        --h1: 2.4rem;
        --text-large: 1.5rem;
    }
}

@media (max-width: 485px) {
    :root {
        --h1: 2.145rem;
        --h2: 1.875rem;
        --h3: 1.6rem;
        --text-large: 1.345rem;
    }
}

/* --------------------------------- */
/* ----- Utilities -----*/
/* --------------------------------- */

/* Center and constrain the width of page sections */

.container {
    max-inline-size: var(--site-max-width);
    margin-inline: auto;
}

@media (max-width: 1375px) {
    :root {
        --site-max-width: 1160px;
    }
}

@media (max-width: 1275px) {
    .container {
        padding-inline: var(--gutter-small);
    }
}

@media (max-width: 1200px) {
    .container {
        padding-inline: var(--gutter-medium);
    }
}

@media (max-width: 575px) {
    .container {
        padding-inline: var(--gutter-small);
    }
}

/* disable scroll when menu is opened */

.lock-screen {
    overflow-y: hidden;
}

/* hides visually and removes from accessibility tree  */

.hidden {
    visibility: hidden;
    transform: translateX(-100%);
}

.transform {
    transform: translateY(6rem);
    opacity: 0;
}

.shown {
    transition: 0.1s;
    color: lightgrey;
}

/* --------------------------------- */
/* ----- Components -----*/
/* --------------------------------- */

.btn {
    font-size: 1.35rem;
    font-weight: 700;
    text-decoration: none;
    text-align: center;
    padding: 18px 60px;
    border-radius: var(--gutter-nano);
    transition: 0.3s all ease-in-out;
    cursor: pointer;
}

@media (max-width: 700px) {
    .btn {
        padding: 16px 48px;
    }
}

@media (max-width: 485px) {
    .btn {
        font-size: 1.2rem;
        padding: 14px 38px;
    }
}

.btn-cta {
    color: var(--bg-color-primary);
    background-color: var(--important);
}

body.dark .btn-cta:hover,
body.dark .btn-cta:focus {
    box-shadow: #ffffff40 0 0 0 var(--gutter-nano);
}

body.light .btn-cta:hover,
body.light .btn-cta:focus {
    box-shadow: #07070733 0 0 0 var(--gutter-nano);
}

.btn-secondary {
    border: 1px solid var(--border-dark);
    color: var(--important);
}

.btn-secondary:hover,
.btn-secondary:focus {
    border-color: var(--important);
}

.link {
    display: inline-block;
    font-weight: 600;
    font-size: var(--text-small);
    padding: var(--gutter-nano) 0;
    text-decoration: none;
    color: var(--important);
    position: relative;
}

.link::after,
.link::before {
    content: "";
    width: 100%;
    height: 1px;
    margin-block-start: var(--gutter-nano);
    position: absolute;
    bottom: -1px;
    left: 0;
    transition: 300ms;
}

body.dark .link::before {
    background-color: #d3d3d357;
}

body.dark .link::after {
    background-color: white;
}

body.light .link::before {
    background-color: lightgray;
}

body.light .link::after {
    background-color: black;
}

.link::after {
    background-color: white;
    transform-origin: left;
    transform: scaleX(0);
}

.link:hover::after,
.link:focus::after {
    transform: scaleX(1);
}

/* --------------------------------- */
/* ----- Layout -----*/
/* --------------------------------- */

section:not(:first-child) {
    padding-block-start: var(--gutter-huge);
}

section:first-child {
    padding-block-start: 7rem;
}

@media (max-width: 885px) {
    :root {
        --gutter-huge: 8rem;
        --gutter-x-large: 4rem;
    }
}

main {
    border-top: 1px solid var(--border);
    border-top-left-radius: var(--radius);
    border-top-right-radius: var(--radius);
    background-color: var(--bg-color-primary);
    transform: translateY(calc(-1 * var(--radius)));
}

@media (max-width: 1185px) {
    :root {
        --radius: 45px;
    }
}

/* --------------------------------- */
/* ----- Menu Button -----*/
/* --------------------------------- */

.menu-btn-container {
    position: fixed;
    width: 100%;
    top: var(--gutter-x-small);
    left: 0;
    z-index: 4;
}

.menu-btn {
    display: block;
    margin-inline-start: auto;
    border: 1px solid var(--border-dark);
    inline-size: 132px;
    padding-block: var(--gutter-nano);
    border-radius: var(--gutter-large);
    text-decoration: none;
    background-color: var(--bg-color-secondary);
    color: var(--important);
    cursor: pointer;
}

.menu-btn,
.nav-items a {
    font-stretch: 125%;
    font-weight: 900;
}

/* --------------------------------- */
/* ----- Navigation -----*/
/* --------------------------------- */

.nav {
    min-block-size: 100vh;
    position: fixed;
    width: 100%;
    background-color: #ff5e99;
    background-image: var(--gradient-brand);
    transition: 450ms var(--easing);
    z-index: 3;
}

.nav-items {
    position: absolute;
    top: 50%;
    left: 15%;
    transform: translateY(-50%) translateX(-15%);
    list-style-type: none;
}

.nav-item:not(:last-child) {
    margin-block-end: var(--gutter-x-small);
}

.nav-item a {
    display: inline-block;
    font-size: var(--h2);
    text-decoration: none;
    color: #fff;
}

.nav-item a::after {
    content: "";
    display: block;
    block-size: var(--gutter-nano);
    width: 100%;
    transform: scale(0);
    transform-origin: left;
    background-color: white;
    transition: transform 250ms var(--easing);
}

.nav-item a:hover::after,
.nav-item a:focus::after {
    transform: scale(1);
}

/* --------------------------------- */
/* ----- Header -----*/
/* --------------------------------- */

.header {
    min-block-size: calc(100vh + var(--radius));
    background-attachment: fixed;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

body.dark .header {
    background-image: linear-gradient(#0000008b, #000000e6),
        url("assets/images/hero-bg.webp");
}

body.light .header {
    background-image: linear-gradient(#ffffffa2, #ffffffe6),
        url("assets/images/hero-bg-light.webp");
}

.header-textbox {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}

.h1 span {
    display: block;
}

.header-text {
    font-size: var(--text-large);
    font-weight: 400;
    max-inline-size: 745px;
    margin-block-start: var(--gutter-micro);
    margin-block-end: var(--gutter-medium);
}

@media (max-width: 1200px) {
    .header-text {
        max-inline-size: 685px;
    }
}

@media (max-width: 845px) {
    .header-text {
        max-inline-size: 585px;
    }
}

.header-btns {
    display: inline-flex;
    gap: var(--gutter-x-small);
}

@media (max-width: 400px) {
    .header-textbox {
        left: 0;
        text-align: center;
        padding-inline: 0.6rem;
    }

    .header-btns {
        flex-direction: column;
        width: 80%;
    }
}

/* --------------------------------- */
/* ----- Clients -----*/
/* --------------------------------- */

.logos {
    display: flex;
    justify-content: space-around;
    align-items: flex-start;
    padding-block-start: var(--gutter-x-large);
}

@media (max-width: 885px) {
    .logos {
        padding-block-start: calc(var(--gutter-x-large) + var(--gutter-x-large) - 2rem);
    }
}

.logo-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

.logo {
    position: absolute;
    top: 0;
    max-block-size: 60px;
    max-inline-size: 150px;
    transition: all 2.4s cubic-bezier(0.25, 1, 0.5, 1);
}

@media (max-width: 845px) {
    .logo {
        max-inline-size: 100px;
    }

    .logo-group:last-child {
        display: none;
    }
}

@media (max-width: 400px) {
    .logo {
        max-inline-size: 85px;
    }
}

.logo.hide {
    opacity: 0;
}

.logo.to-top {
    transform: scale(0.4) translateY(-150px);
}

.logo.to-bottom {
    transform: scale(0.4) translateY(150px);
}

body.dark .logo {
    filter: invert(97%) grayscale(100%) opacity(0.6);
}

body.light .logo {
    filter: grayscale(100%) opacity(0.6);
}

/* --------------------------------- */
/* ----- Work -----*/
/* --------------------------------- */

.work-boxes {
    padding-block-start: var(--gutter-x-large);
}

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

@media (max-width: 1045px) {
    .work-boxes {
        max-inline-size: fit-content;
        margin-inline: auto;
    }

    .work-box {
        flex-direction: column-reverse;
        align-items: flex-start;
    }

    .work-img {
        margin-block-end: var(--gutter-medium);
    }
}

.work-box:not(:last-child) {
    margin-block-end: var(--gutter-huge);
}

@media (max-width: 1285px) {
    .work-box:not(:last-child) {
        margin-block-end: 8rem;
    }
}

.work-img,
.work-textbox {
    flex-basis: 49%;
}

.work-img {
    max-inline-size: 785px;
    transition: 0.6s all;
}

body.light .work-img {
    box-shadow: var(--shadow);
}

.work-textbox {
    max-inline-size: 445px;
}

@media (max-width: 885px) {
    .work h2 {
        margin-block-start: 45px;
    }
}

@media (max-width: 485px) {
    .work h2 {
        margin-block-start: 0;
    }
}

.work-text {
    margin-block: var(--gutter-micro);
}

.work-technologies {
    list-style-position: inside;
    list-style-type: disc;
    margin-block-end: var(--gutter-x-small);
}

.work-links {
    display: inline-flex;
    align-items: center;
    gap: var(--gutter-x-small);
}

.work-links img {
    block-size: 28px;
    inline-size: 28px;
}

body.dark .work-links img {
    filter: invert(1);
}

/* Github icon */

.work-links>a:last-child {
    transition: 0.3s transform ease-in;
}

.work-links>a:last-child:hover,
.work-links>a:last-child:focus {
    transform: scale(1.1);
}

.work-text,
.contact-text,
.work-technologies {
    font-weight: 300;
}

.work-textbox h3,
.work-text,
.work-technologies,
.work-links {
    --delay: 0.2s;
    animation: slide-up 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
    animation-play-state: paused;
}

.work-text {
    animation-delay: var(--delay);
}

.work-technologies {
    animation-delay: calc(var(--delay) * 1.5);
}

.work-links {
    animation-delay: calc(var(--delay) * 2);
}

@keyframes slide-up {
    from {
        transform: translateY(45px);
        opacity: 0;
    }

    to {
        transform: none;
        opacity: 1;
    }
}

/* --------------------------------- */
/* ----- Articles -----*/
/* --------------------------------- */

.article-boxes {
    display: flex;
    flex-flow: row wrap;
    gap: 3.5%;
    margin-block-start: var(--gutter-x-large);
}

.article-box {
    flex-basis: 31%;
    border: 1px solid var(--border);
    padding: var(--gutter-medium) var(--gutter-small);
    border-radius: var(--gutter-nano);
    background-color: var(--bg-color-secondary);
}

.article-textbox {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.article-text {
    font-size: var(--text-small);
    margin-block: var(--gutter-x-small);
}

.article-info {
    display: flex;
    justify-content: space-between;
    margin-block-start: auto;
}

.reaction-count {
    display: inline-flex;
    align-items: center;
    gap: var(--gutter-nano);
    font-size: initial;
}

@media (max-width: 985px) {
    .article-boxes {
        max-inline-size: 685px;
        margin-inline: auto;
        justify-content: center;
        gap: 4%;
    }

    .article-box:nth-of-type(2),
    .article-box:nth-of-type(3) {
        flex-basis: 48%;
    }

    .article-box:last-child {
        display: none;
    }
}

@media (max-width: 650px) {

    .article-box:nth-child(2),
    .article-box:nth-child(3),
    .article-box:last-child {
        flex-basis: 100%;
    }

    .featured-article {
        margin-block-end: 0;
    }

    .article-box:not(:last-child) {
        margin-block-end: var(--gutter-x-small);
    }

    .article-box:last-child {
        display: block;
    }
}

/* --------------------------------- */
/* ----- Featured article -----*/
/* --------------------------------- */

.featured-article {
    flex-basis: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-block-end: 44.8px;
}

@media (max-width: 985px) {
    .featured-article {
        margin-block-end: 24.4px;
        flex-direction: column-reverse;
    }
}

.featured-article .article-textbox {
    flex-basis: 44%;
}

.featured-article h3 {
    margin-block-start: var(--gutter-x-small);
}

.featured-article .article-illustration {
    flex-basis: 50%;
}

.article-illustration img {
    border-radius: var(--gutter-nano);
}

.featured-article .article-text {
    font-size: var(--text-medium);
}

.featured-article .article-info {
    justify-content: flex-start;
    gap: var(--gutter-medium);
}

/* --------------------------------- */
/* ----- Testimonials -----*/
/* --------------------------------- */

.testimonials {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    margin-block-start: var(--gutter-x-large);
    list-style-type: none;
    background-image: linear-gradient(rgba(88, 88, 88, 0.297),
            rgba(214, 214, 214, 0.082));
}

@media (max-width: 1100px) {
    .testimonials {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 645px) {
    .testimonials {
        grid-template-columns: 1fr;
    }
}

.testimonial {
    display: flex;
    flex-direction: column;
    padding: var(--gutter-small);
    background-color: var(--bg-color-primary);
}

.testimonial-text {
    font-size: var(--text-small);
    margin-block-end: var(--gutter-x-small);
}

.testimonial-author {
    margin-block-start: auto;
    display: flex;
    align-items: center;
    gap: var(--gutter-micro);
}

.testimonial-author-name {
    margin-block-end: 0.3rem;
}

.testimonial-author-name,
.testimonial-author-job {
    font-size: initial;
}

.testimonial-author>img {
    block-size: 52px;
    inline-size: 52px;
    border-radius: 50%;
    background-color: var(--bg-color-secondary);
}

/* --------------------------------- */
/* ----- Skills -----*/
/* --------------------------------- */

.skills-imgs {
    display: flex;
    flex-flow: row wrap;
    justify-content: center;
    gap: var(--gutter-x-large);
    padding-block-start: var(--gutter-x-large);
}

.skills-img {
    block-size: 135px;
    inline-size: 135px;
}

@media (max-width: 1100px) {
    .skills-img {
        block-size: 100px;
        inline-size: 100px;
    }
}

@media (max-width: 810px) {
    .skills-img {
        block-size: 85px;
        inline-size: 85px;
    }
}

@media (max-width: 675px) {
    .skills-imgs {
        gap: var(--gutter-large);
    }

    .skills-img {
        block-size: 70px;
        inline-size: 70px;
    }
}

@media (max-width: 340px) {
    .skills-img {
        block-size: 55px;
        inline-size: 55px;
    }
}

/* --------------------------------- */
/* ----- Contact -----*/
/* --------------------------------- */

.contact-content {
    display: grid;
    grid-template-columns: minmax(245px, 35%) 1fr;
    margin-block: var(--gutter-x-large);
    border: 1px solid var(--border);
    border-radius: var(--gutter-nano);
}

@media (max-width: 1032px) {
    .contact-content {
        display: flex;
        flex-direction: column-reverse;
        max-inline-size: 845px;
        margin-inline: auto;
    }
}

.contact-textbox,
.contact-form {
    padding: var(--gutter-large) var(--gutter-small);
}

.hire-alert {
    display: inline-flex;
    align-items: center;
    gap: var(--gutter-nano);
    font-size: initial;
    padding: var(--gutter-nano) var(--gutter-micro);
    border-radius: var(--gutter-small);
    position: relative;
    z-index: 1;
    margin-block-end: var(--gutter-small);
    color: var(--important);
}

.hire-alert::before,
.hire-alert::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
}

.hire-alert::after {
    background-image: var(--gradient-border);
    z-index: -2;
}

.hire-alert::before {
    background-color: var(--bg-color-primary);
    inset: 1px;
    z-index: -1;
}

.indicator {
    display: inline-block;
    block-size: var(--gutter-nano);
    inline-size: var(--gutter-nano);
    border-radius: 50%;
    background-color: red;
    animation: blink 550ms alternate infinite var(--easing);
}

@keyframes blink {
    100% {
        opacity: 0;
    }
}

.contact-text {
    margin-block-end: var(--gutter-small);
}

.signatures {
    inline-size: 150px;
}

body.light .signatures {
    filter: invert(1);
}

.contact-form {
    background-color: var(--bg-color-secondary);
    border-top-right-radius: var(--gutter-nano);
    border-bottom-right-radius: var(--gutter-nano);
}

.form-field label,
.form-field input,
.form-field textarea {
    display: block;
    width: 100%;
}

.form-field label {
    color: var(--important);
}

.form-field input,
.form-field textarea {
    font-size: var(--text-small);
    color: var(--sub);
    border: none;
    outline: none;
    border-bottom: 1px solid var(--border);
    background-color: transparent;
}

.form-field input:focus,
.form-field textarea:focus {
    border-color: #888;
}

.form-field input,
.form-field textarea {
    margin-block-end: var(--gutter-small);
    padding: var(--gutter-nano);
    margin-inline: var(--gutter-nano);
}

.form-field label {
    font-size: var(--text-small);
    margin-block-end: var(--gutter-nano);
    margin-inline-start: var(--gutter-nano);
}

.contact-form button[type="submit"] {
    border: none;
}

/* --------------------------------- */
/* ----- Footer -----*/
/* --------------------------------- */

.footer {
    border-top: 1px solid var(--border);
    padding-block: var(--gutter-x-large);
}

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

@media (max-width: 875px) {
    .footer-content {
        flex-direction: column-reverse;
        gap: var(--gutter-small);
    }

    .footer-text {
        text-align: center;
    }
}

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

.footer-text a {
    color: var(--sub);
}

.footer-links {
    display: flex;
    gap: var(--gutter-small);
    list-style-type: none;
}

@media (max-width: 1040px) {
    .footer-links {
        gap: var(--gutter-micro);
    }
}

.footer-link img {
    block-size: 32px;
    inline-size: 32px;
}

.footer-link a {
    opacity: 0.875;
    transition: 225ms ease-in opacity;
}

.footer-link a:hover {
    opacity: 1;
}

body.dark .footer-link img {
    filter: invert(1);
}

.theme-switch {
    /* Track */

    --track-size: calc(var(--thumb-size) * 2);
    --track-padding: 0.225rem;
    --track-inactive: hsl(80 0% 80%);
    --track-active: #d7aefb;

    --track-color-inactive: var(--track-inactive);
    --track-color-active: var(--track-active);

    /* Thumb */

    --thumb-position: 0%;
    --thumb-size: 1.2rem;
    --thumb: hsl(0 0% 100%);
    --thumb-highlight: hsla(0, 0%, 0%, 0.056);

    --thumb-color: var(--thumb);
    --thumb-color-highlight: var(--thumb-highlight);
}

.theme-switch {
    display: flex;
    align-items: center;
    gap: 2ch;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.theme-switch>span,
.theme-switch>input {
    cursor: pointer;
}

.theme-switch span {
    font-size: 1rem;
    color: var(--sub);
}

.theme-switch>input {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    box-sizing: content-box;
    inline-size: var(--track-size);
    block-size: var(--thumb-size);
    padding: var(--track-padding);
    background-color: var(--track-color-inactive);
    border-radius: var(--track-size);
}

.theme-switch>input::after {
    display: block;
    content: "";
    inline-size: var(--thumb-size);
    block-size: var(--thumb-size);
    background-color: var(--thumb-color);
    border-radius: 50%;
    transform: translateX(var(--thumb-position));
    transition: 500ms all cubic-bezier(0.45, 0.05, 0.22, 1.3);
}

input:checked {
    --thumb-position: 100%;
    background-color: var(--track-active);
}