@import url('https://fonts.google.com/css2?family=Poppins:wght@400;500;700&display=swap');

* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	text-decoration: none;
	border: none;
	outline: none;
    font-family: 'Poppins',sans-serif;
}

/*:root {
    --bg-color: #1f242d;
    --second-bg-color: #323946;
    --main-color: #7cf03d;
    --white-color: #fff;
    --disabled-color: #fff3;
}

:root {
    --bg-color: darkslategray;
    --second-bg-color: slategray;
    --main-color: lightseagreen;
    --white-color: snow;
    --disabled-color: lavender;
}*/

:root {
    --bg-color: #e0e0e0;
    --second-bg-color: #ffffff;
    --main-color: #323946;
    --white-color: #212529;
    --disabled-color: #adb5bd;
}


html {
    font-size: 62.5%;
}

body {
    color: var(--white-color);
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 2rem 9%;
    background: var(--bg-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index:100;
    visibility: hidden;
    opacity: 0 ;
}

header.active {
    animation: show-header 1.5s linear forwards;
    animation-delay: 1.2s;
}

@keyframes show-header {
    100%{
        visibility: visible;
        opacity: 1;
    }
}

.logo {
    font-size: 3rem;
    color: var(--white-color);
    font-weight: 700;
}

nav a {
    font-size: 2rem;
    color: var(--white-color);
    font-weight: 500;
    margin-left: 3.5rem;
    transition: .5s;
}

nav a:hover,
nav a.active{
    color: var(--main-color);
}

#menu-icon {
    font-size: 4rem;
    display: none;
}

.bars-animation {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    z-index: -1;
}

.bars-animation .bar {
    width: 100%;
    height: 100%;
    background: var(--bg-color);
    animation: hide-bars .5s ease-in-out both;
    animation-delay: calc(.1s * var(--i));
}

@keyframes hide-bars {
    0%{
        transform: translateY(0%);
    }
    100%{
        transform: translateY(-100%);
    }
}

.bars-animation.active .bar {
    animation: show-bars .5s ease-in-out both;
    animation-delay: calc(.1s * var(--i));
}

@keyframes show-bars {
    0%{
        transform: translateY(-100%);
    }
    100%{
        transform: translateY(0);
    }
}

section {
    position: absolute;
    width: 100%;
    height: 100%;
    padding: 10rem 9% 2rem;
    visibility: hidden;
    opacity: 0;
    overflow: hidden;
}

section.active {
    animation: show-content 1.5s linear forwards;
    animation-delay: 1.6s;
}

@keyframes show-content {
    100%{
        visibility: visible;
        opacity: 1;
        overflow: auto;
    }
}

.home {
    display: flex;
    align-items: center;
    gap: 5rem;
}

.home-detail h1 {
    font-size: clamp(3.5rem, 10vw, 5.5rem);
}

.home-detail h2 {
    display: inline-block;
    font-size: 3.2rem;
    margin-top: -.5rem;
}



.home-detail h2 span {
    position: relative;
    display: inline-block;
    color: transparent;
    -webkit-text-stroke: .07rem var(--main-color);
    animation: display-text 16s linear infinite;
    animation-delay: calc(-4s * var(--i));
}

@keyframes display-text {
    25%,100%{
        display: none;
    }
}

.home-detail h2 span::before {
    content: attr(data-text);
    position: absolute;
    width: 0;
    border-right: .2rem solid var(--main-color);
    color: var(--main-color);
    white-space: nowrap;
    overflow: hidden;
    animation: fill-text 4s linear infinite;
}

@keyframes fill-text {
    10%,100% {
        width: 0;
    }
    70%,90% {
        width: 100%;
    }
}

.home-detail p {
    font-size: 1.6rem;
    margin: 1rem 0 2.5rem;
}

.home-detail .btn-sci {
    display: flex;
    align-items: center;
}

.btn {
    display: inline-block;
    padding: 1rem 3rem;
    background: var(--main-color);
    border: .2rem solid var(--main-color);
    border-radius: 4rem;
    box-shadow: 0 0 1rem var(--main-color);
    font-size: 1.6rem;
    color: var(--bg-color);
    font-weight: 500;
    transition: .5s;
}

.btn:hover {
    background: transparent;
    color: var(--main-color);
    box-shadow: none;
}

.home-detail .btn-sci .sci {
    margin-left: 2rem;
}

.home-detail .btn-sci .sci a {
    display: inline-flex;
    padding: .8rem;
    border: .2rem solid var(--main-color);
    border-radius: 50%;
    font-size: 2rem;
    color: var(--main-color);
    margin: 0 .8rem;
    transition: .5s;
}

.home-detail .btn-sci .sci a:hover {
    background: var(--main-color);
    color: var(--bg-color);
    box-shadow: 0 0 1rem var(--main-color);
}

.home-img .img-box {
    position:relative;
    width: 32vw;
    height: 32vw;
    border-radius: 50%;
    padding: .5rem;
    display:flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.home-img .img-box::before,
.home-img .img-box::after {
    content: '';
    position: absolute;
    width: 50rem;
    height: 50rem;
    background: conic-gradient(transparent, transparent, transparent, var(--main-color));
    transform: rotate(0deg);
    animation: rotate-border 10s linear infinite;
}

.home-img .img-box::after {
    animation-delay: -5s;
}

@keyframes rotate-border {
    100% {
        transform: rotate(360deg);
    }
}

.home-img .img-box .img-item {
    position:relative;
    width: 100%;
    height: 100%;
    background: var(--bg-color);
    border-radius: 50%;
    border: .01rem solid var(-bg-color);
    display: flex;
    justify-content: center;
    z-index: 1;
    overflow: hidden;
}

.home-img .img-box .img-item img {
    position: absolute;
    /*top: 3rem;*/
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover
    mix-blend-mode: lighten;
}

/* Contact */

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 3rem;
}

.contact-container .contact-box:first-child{
    align-self: center;
}

.contact-box h2 {
    font-size: 4.5rem;
}

.contact-box p {
    font-size: 1.6rem;
}

.contact-box .desc {
    margin: 1.5rem 0 2.5rem;
}

.contact-box .contact-detail {
    display: flex;
    align-items: center;
    margin: 2rem 0;
}

.contact-detail i {
    display: inline-flex;
    background: var(--second-bg-color);
    color: var(--main-color);
    font-size: 3rem;
    padding: 1.2rem;
    border-radius: .6rem;
    margin-right: 1.5rem;
}

.contact-detail .detail p:first-child {
    color: var(--main-color);
}

.contact-box form {
    background: var(--second-bg-color);
    padding: 2.5rem 3.5rem 3.5rem;
    border-radius: 1rem;
    text-align: center;
}

.contact-box .heading {
    font-size: 3.5rem;
    margin-bottom: 2rem;
}

.contact-box .heading span{
    color: var(--main-color);
}

.contact-box .field-box {
    display: grid;
    grid-template-columns: repeat(2, 2fr);
    gap: 2rem;
}

.contact-box .field-box input,
.contact-box .field-box textarea {
    padding: 1.5rem;
    background: var(--bg-color);
    border: .15rem solid var(--bg-color);
    border-radius: .6rem;
    font-size: 1.6rem;
    color: var(--white-color);
}

.contact-box .field-box textarea {
    grid-column: 1/-1;
    height: 26rem;
    resize: none;
}

.contact-box .field-box input:focus,
.contact-box .field-box textarea:focus {
    border-color: var(--main-color);
}

.contact-box .btn {
    margin-top: 2rem;
    cursor: pointer;
}

/*Breakpoints*/
@media screen and (max-width: 1200px){
    html {
        font-size: 55%;
    }
}

@media screen and (max-width: 992px){
    header {
        padding: 2rem 4%;
    }
    section {
        padding: 10rem 4% 2 rem;
    }
}

@media screen and (max-width: 810px){
    .contact-box .field-box {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 768px){
    #menu-icon {
        display: block;
    }
    nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        padding: 1rem 0;
        background: var(--bg-color);
        border-top: .1rem solid rgba(0, 0, 0, .2);
        box-shadow: 0 .5rem 1rem rgba(0, 0, 0, .2);
        text-align: center;
        display: none;
    }

    nav.active{
        display: block;
    }

    nav a {
        display: block;
        margin: 4rem 0;
    }

    .home {
        flex-direction: column-reverse;
        justify-content: center;
        gap: 2rem;
    }

    .home-img .img-box {
        width: 35rem;
        height: 35rem;
    }

    .contact-container {
        grid-template-columns: 1fr;
    }

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

@media screen and (max-width: 600px){
    .home-img .img-box {
        width: 30rem;
        height: 30rem;
    }
    .contact-box .field-box {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 450px){
    html {
        font-size: 50%;
    }
}

@media screen and (max-width: 400px){
    .home-detail {
        text-align: center;
    }

    .home-detail .btn-sci {
        flex-direction: column-reverse;
    }

    .home-detail .btn-sci .sci {
        margin-left:0;
        margin-bottom: 2rem;
    }

    .contact-box form {
        padding: 2.5rem 3rem 3.5rem;
    }

    .contact-box h2 {
        font-size: 3.5rem;
    }
}