/* GLOBAL */

:root {
    --bg-body: hsl(0, 0%, 8%);
    --bg-body2: hsl(0, 0%, 14%);
    --accent: hsl(153, 71%, 59%);
    --text1: hsl(0, 0%, 100%);
    --text2: hsl(0, 0%, 85%);
    --invalid: hsl(7, 100%, 68%);
    --fs-18: 1.125rem;
    --fs-24: 1.5rem;
    --fs-32: 2rem;
    --fs-40: 2.5rem;
    --fs-48: 3rem;
    --fs-75: 4.5rem;
    --fs-88: 5.5rem;
    --container: 69.375rem;
    --transition: 250ms ease-in-out; /* transition: color 250ms ease-in-out; */

}

html, body {    
    overflow-x: hidden;
}

html {
    box-sizing: border-box;
    font-size: 100%;
}

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

body, input, textarea, button {
    font-family: 'Space Grotesk', sans-serif;
}

body {
    margin: 0;
    background-color: var(--bg-body);
    color: var(--text1);
    font-size: var(--fs-18);
    line-height: 1.56;
    /* padding-bottom: 30rem; */
}

h1, h2, h3, p {
    margin-block-start: 0;
}

h1, h2, h3 {
    line-height: 1;
}

.header-xl {
    font-size: 2.5rem;
    font-size: clamp(2.5rem, 0.7rem + 7.68vw, 5.5rem);
    letter-spacing: -0.0284em;
    line-height: 1.1;
}

p {
    font-size: 1rem;
    font-size: clamp(1rem, 079rem + 0.89vw, 1.125rem);
    line-height: 1.5;
    color: var(--text2);
}

a {
    transition: color var(--transition);
}

a:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px dashed var(--accent);
    outline-offset: 2px;
}

input:invalid,
textarea:invalid {
    outline-color: var(--invalid);
}

a.underline, 
button {
    display: inline-block;
    padding-bottom: 1rem;
    font-size: 1rem;
    line-height: 1.625;
    letter-spacing: 0.143em;
    font-weight: 700;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--text1);
    background-image: linear-gradient(to right, var(--accent) 75%, var(--accent) 75%);
    background-position: 0 2.1em;
    background-repeat: repeat-x;
    background-size: 8px 2px;
}

a:hover {
    color: var(--accent);
}

img, svg {
    display: block;
}

.visually-hidden {
    position: absolute;
    left:     -10000px;
    top:      auto;
    width:    1px;
    height:   1px;
    overflow: hidden;
}

.wrapper {
    width: calc(100% - 2rem);
    max-width: var(--container);
    margin-inline: auto;
}

@media (min-width: 37.5em) { /* 600px */
    .wrapper {
        width: calc(100% - 3.75rem);
    }
}

/* UTILITY */
.bottom-border {    
    border-bottom: 1px solid var(--text2);
}

/* HEADER */
.header {
    margin-block-start: 20px;
    position: relative;
    z-index: 1;
}

.header__nav,
.footer__nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    text-align: center;
    gap: 20px 25px;
}

.header__home,
.footer__home {
    font-size: 1.5rem;
    font-size: clamp(1.5rem, 1.023rem + 2.036vw, 2rem);
    line-height: 1;
    color: var(--text1);
    text-decoration: none;
    flex: 1 0 100%;
}

.header__social svg:hover path,
.footer__social svg:hover path {
    fill: var(--accent);    
    transition: fill var(--transition);
}

@media (min-width: 37.5em) {

    .header {
        margin-block-start: 30px;
    }

    .header__nav,
    .footer__nav {        
        justify-content: flex-start;
        align-items: center;
        text-align: left;
        gap: 32px;
    }

    .header__home,
    .footer__home {
        flex: 0 1 auto;
        margin-right: auto;
    }
}

@media (min-width: 62.5em) {
    .header {
        margin-block-start: 40px;
        margin-block-end: 127px;
    }

    .header__nav,
    .footer__nav {
        padding-right: 30px;
    }
}

/* HERO */

.hero__wrapper {
    padding-bottom: 80px;
}
.hero__image {
    position: absolute;
    top: 0;
    left: 50%;
    translate: -50%;
    margin-inline: auto;
    /* width: 174px; bez margin-inline: auto;
    height: auto; */
}

.hero__rings {
    position: absolute;
    right: 50%;
    top: 130px;
    z-index: -1;
    height: auto;
}

.hero__circle {
    position: relative;
    top: 165px;
    margin-block-end: -129px; /*po meni bolje staviti na here__text manji margin-block-start */
    translate: calc(100vw - 50% - 16px);
}

.hero__text {
    position: relative;
    text-align: center;
    margin-block-start: 335px;    
}

h1 > span {
    background-image: linear-gradient(to right, var(--accent) 75%, var(--accent) 75%);
    background-position: 0 1.18em;
    background-repeat: repeat-x;
    background-size: 8px 4px;
}

.hero__headline {    
    margin-block-end: 24px;
}

.hero__headline > br {
    display: none;
}

.hero__description {
    margin-block-end: 24px;
}

@media (min-width: 37.5rem) {

    .hero {
        position: relative;
        margin-block-start: -62px;
    }
    
    .hero__wrapper {
        padding-bottom: 60px;
    }
    
    .hero__content {
        display: flex;
        align-items: center;
    }

    .hero__content picture {
        order: 2;
    }

    .hero__image {
        position: relative;
        width: 42vw;
        max-width: 445px;
        /* width: 322px; */
        height: auto;
        left: auto;
        right: 0;
        translate: 0;
    }

    .hero__rings {
        top: 90px;
        right: auto;
        left: 0;
        translate: -50%;
    }

    .hero__circle {
        position: absolute;        
        top: auto;
        right: 0;
        bottom: 190px;
        translate: 50%;
        z-index: 1;
    }

    .hero__text {
        /* width: 62vw; */
        margin-block-start: 90px;
        margin-right: -30px;
        flex: 1 0 58vw;
        text-align: left;
        z-index: 1;
    }

    .hero__headline {
        margin-block-end: 60px;
    }

    .hero__headline > br {
        display: inline-block;
    }

    .hero__description {
        /* width: 70%; */
        margin-block-end: 34px;
        width: 30ch;
    }
}

@media (min-width: 62.5rem) {

    .hero {
        margin-block-start: 0px;
    }

    .hero__wrapper {
        position: relative;
        padding-bottom: 100px;
    }

    .hero__content {
        align-items: flex-start;
    }

    .hero__content picture {
        margin-left: -80px;
    }

    .hero__image {
        /* width: 445px; */
        margin-block-start: -199px;
    }

    .hero__rings {
        top: 0px;
        translate: -50% -50%;
    }

    .hero__circle {
        top: 322px;
        right: 445px;
    }

    .hero__text {
        margin-block-start: 0;
        margin-right: 0;
        flex: 1;
    }

    .hero__headline {
        margin-block-end: 43px;
    }

    .hero__headline > br {
        display: none;
    }

    .hero__description {
        width: 38ch;
        margin-block-end: 66px;
    }
}

/* SKILLS */

.skills {
    position: relative;
}

.skills__wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    padding-block: 40px;
}

.skills__item {
    text-align: center;
}

.skills__title {
    font-size: 2rem;
    font-size: clamp(2rem, 0.33rem + 7.11vw, 3rem);
    line-height: 1.17;
    margin-block-end: 2px;
}

.skills__description {
    margin-block-end: 0;
}

.skills__rings {
    position: absolute;
    bottom: 0;
    left: 50%;
    translate: 0 50%;
}

@media (min-width: 37.5em) {
    .skills__wrapper {
        grid-template-columns: repeat(2, 1fr);
        gap: 52px 24px;
        border-bottom: none;
        padding-block: 52px 0;
    }

    .skills__item {
        text-align: left;
    }

    .skills__rings {
        translate: 40% 50%;
    }
}

@media(min-width: 62.5em) {
    .skills__wrapper {
        grid-template-columns: repeat(3, 1fr);
        gap: 58px 30px;
        padding-block-start: 72px;
    }

    .skills__rings {
        left: 100%;
        translate: -40% 50%;
    }
}

/* PROJECT */

.projects__wrapper {
    padding-block: 140px;
}

.projects__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    justify-items: center;
    text-align: center;
}

.projects__headline {
    grid-column: 1 / span 2;
    margin-block-end: 0;
}

.projects__contact {
    grid-column: 1 / span 2;
}

.projects__item {
    grid-column: 1 / span 2;
}

.projects__picture {
    display: block;
    margin-block-end: 20px;
}

.projects__image {
    width: 100%;
    height: auto;
}

.projects__name {
    font-size: 1.5rem;
    line-height: 1.3;
    font-weight: 700;
    text-transform: uppercase;
    margin-block-end: 7px;
}

.projects__tags {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-block-end: 20px;
    text-transform: uppercase;
}

.projects__links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

@media (min-width: 37.5em) {

    .projects__grid {
        gap: 60px 24px;
        justify-items: start;
        text-align: left;
    }

    .projects__headline, 
    .projects__contact {
        grid-column: span 1;
    }

    .projects__contact {
        justify-self: end;
        align-self: center;
    }

    .projects__item {
        grid-column: span 1;
    }

    .projects__tags, 
    .projects__links {
        display: block;
    }
    
    .projects__tags span {
        margin-inline-end: 18px;
    }

    .projects__links a {
        margin-inline-end: 30px; /* umesto margin-right */
    }

    .projects__links {
        display: block;
    }
}

@media (min-width: 62.5em) {

    .projects__grid {
        gap: 70px 30px;
    }

    .projects__item {
        display: grid;
        grid-template-columns: 1fr;
        grid-template-rows: repeat(4, auto);
    }

    .projects__picture {
        position: relative;
        grid-column: 1 / 2;
        grid-row: 1 / 2;
    }

    .projects__picture::after {
        content: '';
        position: absolute;
        width: 100%;
        height: 100%;
        top: 0;
        background-color: hsl(0, 0%, 0%);
        opacity: 0;
        transition: opacity 150ms ease-in-out;
    }

    .projects__item:hover .projects__picture::after {
        opacity: 0.5;
    }

    .projects__item:hover .projects__links {
        opacity: 1;
    }

    .projects__item:focus-within .projects__links {
        opacity: 1;
    }

    .projects__item:focus-within .projects__picture::after {
        opacity: 0.5;
    }

    .projects__image {
        width: 100%;
        height: auto;

    }

    .projects__links {
        grid-column: 1 / 2;
        grid-row: 1 / 2;
        justify-self: center;
        align-self: center;
        z-index: 1;
        opacity: 0;        
    }

    .projects__links:hover ~ .projects__picture::after{
        opacity: 0.5;
    }

    .projects__tags {
        margin-block-end: 0;
    }
}

/* CONTACT */

.contact {
    background-color: var(--bg-body2);
}

.contact__wrapper {
    position: relative;
    padding-block: 84px;
}

.contact__text {
    text-align: center;
}

.contact__headline {
    margin-block-end: 1.25rem;
}

.contact__control {
    position: relative;
    margin-block-end: 16px;
}

.contact__control input,
.contact__control textarea {
    width: 100%;
    padding-block: 16px;
    padding-inline: 24px;
    background: transparent;
    font-family: 'Space Grotesk', sans-serif;    
    font-size: 1rem;
    line-height: 1.625;
    border: none;
    border-bottom: 1px solid var(--text1);
}

.contact__control > *::placeholder {
    color: var(--text1);
    opacity: 0.5;
    text-transform: uppercase;
}

.contact__control textarea {
    margin-block-end: 32px;
}

.contact__control.align-right {
    display: flex;
    justify-content: flex-end;
}

.contact__control button {
    background-color: transparent;
    border: none;
    justify-self: right;
}

.contact__invalid-icon {
    display: none;
    width: 1.5rem;
    height: 1.5rem;
    position: absolute;
    top: 50%;
    right: 0;
    translate: -50% -50%;
}

.contact input:focus-visible:invalid ~ .contact__invalid-icon {
    display: inline-block;
}

.contact textarea:focus-visible:invalid ~ .contact__invalid-icon {
    top: 1.2rem;
    right: 1.5rem;
    translate: none;
    display: inline-block;
}

.contact__rings {
    position: absolute;
    left: 0;
    bottom: 0;
    translate: -80% -35%;
}

@media (min-width: 62.5em) {
    .contact__wrapper {
        display: grid;
        grid-template-columns: repeat(2, 27.8125rem);
        justify-content: space-between;
    }

    .contact__text {
        text-align: left;
    }

    .contact__headline {
        margin-block-end: 2.25rem;
    }

    .contact__rings {
        translate: -50% -50%;
    }
}

/* 999.98px */
@media (max-width: 62.49875em) {    
    .contact__wrapper {
        max-width: 27.8125rem;
        margin-inline: auto;
    }
}

/* FOOTER */

.footer {
    padding-block: 2rem 3.5rem;
    background-color: var(--bg-body2);
    position: relative;
    z-index: 1;
}