:root{
    --clr-accent-500: hsl(195, 94%, 30%);
    --clr-accent-400:#344d9d;
    --clr-accent-300:hsl(195, 88%, 58%);
    --clr-accent-100: hsl(13,100%,96%);

    --clr-neutral-900:hsl(233, 12%, 13%);
    --clr-neutral-800:hsl(245, 11%, 41%);
    --clr-neutral-100:hsl(0 0% 100%);

    --font-family-primary: 'Be Vietnam Pro', sans-serif; 

    --font-family-body: var(--font-family-primary);
    --font-family-heading: var(--font-family-primary);

    --fw-regular: 400;
    --fw-semi-bold: 500;
    --fw-bold: 700;

    --fs-300: .8125rem;
    --fs-400:.875rem;
    --fs-500:.9375rem;
    --fs-600: 1rem;
    --fs-625: 1.25rem;
    --fs-650:1.5rem;
    --fs-700: 1.875rem;
    --fs-750:2rem;
    --fs-800: 2.5rem;
    --fs-900: 3.5rem;

    --fs-body: var(--fs-400);
    --fs-primary-heading:var(--fs-800);
    --fs-secondary-heading:var(--fs-700);
}

/** Box sizing rules */
*,
*::before,
*::after {
    box-sizing: border-box;
}

/** Remove default margin */
*{
    margin: 0;
    padding: 0;
    font: inherit;
}

/** ===== Scrollbar CSS ===== */
/** Firefox */
* {
    scrollbar-width: auto;
    scrollbar-color: var(--clr-accent-400) var(--clr-neutral-100);
}

/** Chrome, Edge, and Safari */
*::-webkit-scrollbar {
    width: 14px;
}

*::-webkit-scrollbar-track {
    background: var(--clr-neutral-100);
}

*::-webkit-scrollbar-thumb {
    background-color: var(--clr-accent-400);
    border-radius: 10px;
    border: 3px solid var(--clr-neutral-100);
}

/** Remove list styles on ul, ol elements with a list role, which suggests default styling will be removed */
ul[role='list'],
ol[role='list'] {
    list-style: none;
}

/** Set core root defaults */
html {
    scroll-behavior: smooth;
}

html, body{
    height: 100%;
}

/**Text decoration*/
a {
    text-decoration:none;
}

/**Utility classes*/
.text-neutral-900{
    color: var(--clr-neutral-900);
}

.fw-bold{ font-weight: var(--fw-bold); }

.fw-semi-bold{ font-weight: var(--fw-semi-bold); }

.fw-regular{ font-weight: var(--fw-regular); }

.fs-primary-heading{
    font-size: var(--fs-primary-heading);
    line-height:1.1;
}

.fs-secondary-heading{
    font-size: var(--fs-secondary-heading);
    line-height: 1.1;
}

/**General styling*/
body{
    text-rendering: optimizeSpeed;
    line-height: 1.5;
    font-size: var(--fs-body);
    font-family: var(--font-family-body);
    color: var(--clr-neutral-100);
}

.container{
    width: 100%;
    max-width: 120rem;
    padding: 0 2rem;
    margin: 0 auto;
    position: relative;
}

/**Header styles*/
.header {
    width: 100%;
    height: 3rem;
    display: flex;
    align-items: center;
    line-height: 1;
    position: fixed;
    top: 0;
    left: 0;
    background-color: rgba(29, 30, 37,1);
    z-index: 999;
    transition: background-color .5s ease;
}

/*.active{
    background-color: var(--clr-neutral-900);
    box-shadow: 0 3px 1rem rgba(0, 0, 0, .1);
}*/

/**Nav styles*/
.nav{
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo img {
    max-width: 40%;
}

.hamburger-menu{
    font-size: 2rem;
    cursor: pointer;
    position: relative;
    z-index: 1500;
    color: var(--clr-neutral-100)
}

.hamburger-menu .fa-times{
    display: none;
}

.menu-open .hamburger-menu .fa-times{
    display: block;
}

.menu-open .hamburger-menu .fa-bars {
    display: none;
}

.nav-list{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--clr-accent-400);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1400;
    opacity: 0;
    transform: scale(0);
    transition: opacity .5s;
}

.menu-open .nav-list{
    opacity: 1;
    transform: scale(1);
}

.menu-close .nav-list{
    opacity: 0;
    transform: scale(0);
}

.nav-item:not(:last-child){
    margin-bottom: .5rem;
}

.nav-link{
    cursor: pointer;
    display: block;
    color: var(--clr-neutral-100);
    font-size: var(--fs-700);
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    letter-spacing: 2px;
    padding: 2rem;
    transition: all .5s ease;
}

.nav-button{
    background-color: transparent;
    padding: 1.5rem;
    color: var(--clr-accent-100);
    border: 2px solid var(--clr-accent-100);
    border-radius: 2.5rem;
    
}

.hero{
    width: 100%;
    height: auto;
    position: relative;
    
}

.hero img{
    position: relative;
    max-width: 100%;
    margin: 2rem auto 0;
}

.scroll-down{
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.mouse{
    width: 15px;
    height: 30px;
    border: 2px solid var(--clr-accent-100);
    border-radius: 2rem;
    display: flex;

}

.mouse span{
    width: 5px;
    height: 5px;
    background-color: var(--clr-accent-100);
    display: block;
    border-radius: 50%;
    margin: auto;
    animation: move-wheel 1s linear infinite;
}

.arrow span{
    display: block;
    width: 10px;
    height: 10px;
    border: 2px solid transparent;
    border-right-color: var(--clr-accent-100);
    border-bottom-color: var(--clr-accent-100);
    transform: rotate(45deg);
    animation: arrow-down .5s alternate infinite;
}

@keyframes move-wheel {
    0%{
        opacity: 0;
        transform: translateY(-7px);
    }
    100% {
        opacity: 1;
        transform: translateY(7px);    
    }
}



@keyframes arrow-down {
    0% {
        opacity: 0;
    }

    25% {
        opacity: .25;
    }
    50% {
        opacity: .5;
    }
    50% {
        opacity: .75;
    }
    100% {
        opacity: 1;
    }
}

/**Main section*/
.main{
    width: 100%;
    max-width: 120rem;
    display: flex;
    flex-direction: column;
}

.who-are-we,
.mission,
.vision{
    width: 100%;
}

.who-are-we h2,
.mission h2,
.vision h2{
    text-align: center;
    padding:  2rem 2rem 1rem;
    font-size: var(--fs-650);
    font-weight: var(--fw-bold);
    position: relative;
}

.who-are-we span{
    display: block;
    margin: 0 auto 1rem;
    width: 4rem;
    height: 2px;
    background-color: var(--clr-accent-400);
} 

.who-are-we p,
.mission p,
.vision p{
    text-align: center;
    padding: 2rem;
    font-size: var(--fs-600)
}

.circle{
    border-radius: 20px;
    width: 30px;
    height: 30px;
    margin: 0 auto;
    display: flex;
    background-color: var(--clr-accent-400);
    justify-content: center;
    align-items: center;
}

.circle i{
    color: var(--clr-accent-100);
    font-weight: var(--fw-bold)
}

/**Container Services*/
.container-services {
    width: 100%;
    padding: 0 2rem 1rem;
    color: var(--clr-neutral-900);
    margin: 0 auto;
}

.container-services h2 {
    text-align: center;
    padding: 3rem 2rem 1rem;
    font-size: var(--fs-650);
    font-weight: var(--fw-bold);
}

.container-services span {
    display: block;
    margin: 0 auto;
    width: 4rem;
    height: 2px;
    background-color: var(--clr-accent-400);
}

.row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    grid-gap: 30px;
    padding: 2rem 0 0;
}

.service {
    text-align: center;
    padding: 25px 10px;
    border-radius: 5px;
    font-size: var(--fs-600);
    cursor: pointer;
    background: transparent;
    transition: transform 0.5s, background 0.5s;
}

.service i {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--clr-accent-400);
}

.service h3 {
    font-weight: var(--fw-bold);
    margin-bottom: 8px;
}

.service:hover {
    background: var(--clr-accent-400);
    color: var(--clr-neutral-100);
    transform: scale(1.05);
}

.service:hover i {
    color: var(--clr-neutral-100);
}



/**Map*/
.map{
    width: 100%;
    background-color: #f2f2f2;
}

.map h1{
    text-align: center;
    font-size: var(--fs-650);
    color: var(--clr-neutral-900);
    padding: 3rem 2rem 1rem;
    font-weight: var(--fw-bold);
}

.map span{
    display: block;
    margin: 0 auto;
    width: 4rem;
    height: 2px;
    background-color: var(--clr-accent-400);
}

.map iframe {
    width: 100%;
    display: block;
    margin: 3rem auto 0 ;
    max-width: 100%;
    height: 20rem;
}

/**Contact*/
.contact{
    background: url("./img/contact-image.png") no-repeat center;
    background-size: cover;
    background-attachment: fixed;
    width: 100%;
    padding: 2rem;
    position: relative;
}

.contact h1 {
    text-align: center;
    color: var(--clr-neutral-100);
    font-size: var(--fs-650);
    font-weight: var(--fw-bold);
    padding: 2rem 0 .5rem;
}

.contact span{
    display: block;
    margin: 0 auto 4rem;
    width: 4rem;
    height: 2px;
    background-color: var(--clr-neutral-100);    
}

.form{
    max-width: 90%;
    padding: 2rem;
    margin: 2rem auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: relative;
    border-radius: 10px;
    background: #1d1e25;
    box-shadow: 10px 10px 30px #191a1f,
        -7px -7px 30px #21232b;
}

.form__group {
    position: relative;
    padding: 20px 0 0;
    margin-top: 10px;
    width: 100%;
}

.form__field {
    font-family: inherit;
    width: 100%;
    border: none;
    border-bottom: 2px solid var(--clr-neutral-800);
    outline: 0;
    font-size: var(--fs-600);
    color: var(--clr-neutral-100);
    padding: 7px 0;
    background: transparent;
    transition: border-color 0.2s;
}

.form__field::placeholder {
    color: transparent;
}

.form__field:placeholder-shown~.form__label {
    font-size: 17px;
    cursor: text;
    top: 20px;
}

.form__label {
    position: absolute;
    top: 0;
    display: block;
    transition: 0.2s;
    font-size: 17px;
    color: var(--clr-neutral-800);
    pointer-events: none;
    font-weight: 700;
}

.form__field:focus {
    padding-bottom: 6px;
    border-width: 3px;
    border-image: linear-gradient(to right, var(--clr-accent-400), var(--clr-accent-300));
    border-image-slice: 1;
}

.form__field:focus~.form__label {
    position: absolute;
    top: 0;
    display: block;
    transition: 0.2s;
    font-size: 17px;
    color: var(--clr-accent-400);
}

/** reset input */
.form__field:required,
.form__field:invalid {
    box-shadow: none;
}

.form__group:last-child {
    padding: .5rem 0 0;
}

.message{
    word-break: break-word;
    height: 3rem !important;
}

.submit {
    background-color: transparent;
    color: var(--clr-neutral-100);
    width: 8em;
    height: 2.6em;
    line-height: 2.5em;
    position: relative;
    overflow: hidden;
    border: 2px solid var(--clr-accent-400);
    transition: color .5s;
    z-index: 1;
    font-size: 17px;
    border-radius: 6px;
    font-weight: 500;
    margin: 1rem auto 0;
}

.submit:before {
    content: "";
    position: absolute;
    z-index: -1;
    background: var(--clr-accent-400);
    height: 150px;
    width: 200px;
    border-radius: 50%;
}

.submit:hover {
    border: 2px solid var(--clr-neutral-100);
}

.submit:before {
    top: 100%;
    left: 100%;
    transition: all .7s;
}

.submit:hover:before {
    top: -30px;
    left: -30px;
}

.submit:active:before {
    background: var(--clr-accent-400);
    transition: background 0s;
}

/**Footer*/
.footer{
    width: 100%;
    background-color: var(--clr-neutral-900);
    margin-top: auto;
}

.footer .footer-group{
    width: 100%;
    margin: auto;
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 50px;
    padding: 2rem 0;
}

.footer-section figure{
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.footer-section figure img{
    max-width: 100%;
}

.footer-section h2{
    font-size: var(--fs-600);
    font-weight: var(--fw-bold);
    margin: 0 0 1rem;
    text-align: center;
}

.footer-section p{
    margin: 0 0 1rem;
    text-align: center;
}

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

.footer-section .footer-social a{
    display: inline-block;
    font-size: var(--fs-650);
    width: 45px;
    height: 45px;
    line-height: 45px;
    border-radius: 50%;
    color: var(--clr-neutral-100);
    margin: 0 1rem 0;
    background-color: var(--clr-neutral-800);
    text-align: center;
    transition: all 300ms ease;
}

.footer-section .footer-social a:hover{
    background-color: var(--clr-accent-400);
}

.footer-copyright{
    padding: 0.5rem;
    text-align: center;
    color: var(--clr-neutral-800);
}

.footer small a{
    color: var(--clr-neutral-100);
}

@media screen and (min-width: 360px) {
    .mouse {
            width: 10px;
            height: 20px;
            border: 1px solid var(--clr-accent-100);
            border-radius: 2rem;
            display: flex;
        }
    
        .mouse span {
            width: 4px;
            height: 4px;
            background-color: var(--clr-accent-100);
            display: block;
            border-radius: 50%;
            margin: auto;
            animation: move-wheel 1s linear infinite;
        }
    
        .arrow span {
            display: none;
        }
}



@media screen and (min-width: 375px) {
    .hero img {
            position: relative;
            max-width: 100%;
            margin: 3rem auto 0;
    }
}

@media screen and (min-width:600px) {
        .footer .footer-group {
            width: 100%;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            padding: 2rem 0;
        }
    
        .footer-section .footer-social a {
            margin: 0;
        }
        
}

/** Screen 768px*/
@media screen and (min-width:768px) {
    .header{
        height: 4rem;
    }

    /*.header.active{
        height: 4rem;
    }*/

    .hamburger-menu {               
        display: none;
    }
    
    .nav-list{
        position: initial;
        width: 100%;
        height: 100%;
        flex-direction: row;
        justify-content: flex-end;
        align-items: center;
        opacity: 1;
        transform: scale(1);
        background-color: inherit;
    }

    .nav-link{
        font-size: .9rem;
        font-weight: normal;
        cursor: pointer;
        display: block;
        font-weight: var(--fw-bold);
        text-transform: uppercase;
        letter-spacing: 0;
        padding: 0 2rem;
        color: var(--clr-neutral-100);
    }

    .nav-item:not(:last-child) {
        margin-bottom: 0;
    }

    .nav-button {
        background-color:transparent;
        padding: .4rem;
        overflow: hidden;
        position: relative;
        border: 2px solid var(--clr-accent-400);
        border-radius: 2.5rem;
        transition: all .5s ease;
        z-index: 1;
    }

    .nav-button:before {
            content: "";
            position: absolute;
            z-index: -1;
            background: var(--clr-accent-400);
            height: 150px;
            width: 200px;
            border-radius: 50%;
            color: var(--clr-neutral-100);
        }

    .nav-button:hover {
        color: var(--clr-neutral-100);
    }
        
    .nav-button:before {
        top: 100%;
        left: 100%;
        transition: all .7s;
    }
        
    .nav-button:hover:before {
        top: -30px;
        left: -30px;
    }
        
    .nav-button:active:before {
        background: #fff;
        transition: background 0s;
    }

    .scroll-down {
        bottom: 2rem;
    }

    .mouse {
        width: 20px;
        height: 40px;
        border: 2px solid var(--clr-accent-100);
        border-radius: 2rem;
    }

    .mouse span {
        width: 10px;
        height: 10px;
    }

    .arrow span {
        display: block;
        width: 15px;
        height: 15px;
        border: 2px solid transparent;
        border-right-color: var(--clr-accent-100);
        border-bottom-color: var(--clr-accent-100);
    }
    
    /**Main*/
    .main{
        display: grid;
        height: auto;
        grid-template-columns: repeat(4, 1fr);
        justify-content: center;
        align-items: center;
    }

    .who-are-we{
        grid-column: 1/5;
        padding: 2rem 2rem;
    }

    .mission{
        grid-column: 1/3;
        padding: 2rem 2rem;
    }

    .vision{
        grid-column: 3/5;
        padding: 2rem 2rem;
    }

    /**Services*/
    .container-services{
        padding: 1rem 0 3rem;
    }

    /**Contact*/
        .form {
            max-width: 70%;
            padding: 3rem;
            margin: 2rem auto 4rem;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            position: relative;
            border-radius: 10px;
            background: #1d1e25;
            box-shadow: 10px 10px 30px #191a1f,
                -7px -7px 30px #21232b;
        }
}

@media (min-width:1000px){
    .container{
        padding: 0 7rem;
    }

    .nav-link:hover{
        color: var(--clr-accent-100);
    }

    .nav-button:hover{
        color: var(--clr-primary-100);
        padding: .4rem;
        border: 2px solid var(--clr-accent-100);  
    }

    .logo img {
        max-width: 20%;
    }

    .hero img{
        width: 100%;
    }

    .scroll-down {
        bottom: 2rem;
    }

    .mouse {
        width: 30px;
        height: 60px;
        border: 2px solid var(--clr-accent-100);
        border-radius: 2rem;
    }

    .mouse span {
        width: 18px;
        height: 18px;
    }

    .arrow span {
        display: block;
        width: 20px;
        height: 20px;
        border: 2px solid transparent;
        border-right-color: var(--clr-accent-100);
        border-bottom-color: var(--clr-accent-100);
    }

    @keyframes move-wheel {
        0% {
            opacity: 0;
            transform: translateY(-10px);
        }

        100% {
            opacity: 1;
            transform: translateY(10px);
            }
    }

    .main{
        max-width: 1200px;
        margin: 0 auto;
        padding: 1rem 0;
    }

    .container-services {
        max-width: 1200px;    
    }

    .container-services .row{
        padding: 2rem 0 ;
    }

    .form{
        max-width:60%;
    }

    .footer-section figure {
        width: 60%; 
        margin: 0 auto;  
    }

    .footer-section figure a{
        text-align: center;
    }
}