*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
    font-family: "Poppins", sans-serif;
}

:root {
    --main-color: red;
    --black: #222;
    --white: #fff;
    --light-black: #777;
    --light-white: #fff9;
    --dark-bg: rgba(0, 0, 0, .7);
    --light-bg: #eee;
    --border: .1rem solid var(--black);
    --box-shadow: 0 .5rem 1rem rgba(0, 0, 0, .1);
    --text-shadow: 0 1.5rem 3rem rgba(0, 0, 0, .3);
}

.container {
    width: 90%;
    margin-inline: auto;
}

header {
    height: 100vh;
    background-image: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('img/header2.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.navigation {
    width: 100%;
    padding: 20px 0 10px 0;
}

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

.navigation .box-navigation .box:nth-child(1) h1 {
    font-size: 38px;
    color: white;
}

.navigation .box-navigation .box:nth-child(2) ul {
    display: flex;
    flex-direction: row;
}

.navigation .box-navigation .box:nth-child(2) ul li {
    list-style-type: none;
    margin-left: 40px;
}

.navigation .box-navigation .box:nth-child(2) ul li a {
    text-decoration: none;
    color: white;
    transition: all 0.3s ease;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -ms-transition: all 0.3s ease ;
    -o-transition: all 0.3s ease;
}

.navigation .box-navigation .box:nth-child(2) ul li a:hover {
    color: greenyellow;
}

.navigation .box-navigation .box:nth-child(3) {
    display: none; 
}

.navigation .box-navigation .box:nth-child(2) ul li i {
    display: none;
}

/*hero style*/
header .hero {
    position: absolute;
    top: 50%;
    right: 50%;
    transform: translate(50%, -50%);
    -webkit-transform: translate(50%, -50%);
    -moz-transform: translate(50%, -50%);
    -o-transform: translate(50%, -50%);
}

header .hero h1 {
    color: rgba(255, 255, 255, 0.5);
    font-size: 48px;
    text-align: center;
}

/*about style*/
.about {
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    background-color:rgb(191, 185, 226);
}

.about .box-about {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
}

.about .box-about .box:nth-child(1) {
    padding-right: 30px;
}

.about .box-about .box:nth-child(1) h1 {
    font-size: 42px;
}

.about .box-about .box:nth-child(1) p {
    line-height: 2;
}

.about .box-about .box:nth-child(2) img {
    border-radius: 10px;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    -o-border-radius: 10px;
    width: 600px;
}

@media screen and (max-width= 1200px) {
    .about .box-about .box:nth-child(2) img {
        width: 400px;
    }   
}


@media screen and (max-width: 990px) {
    .navigation .box-navigation .box:nth-child(2) {
        display: flex;
        position: absolute;
        top: 50px;
        right: 50px;
        background-color: white;
        width: 250px;
        border-radius: 10px;
        -webkit-border-radius: 10px;
        -moz-border-radius: 10px;
        -o-border-radius: 10px;
        opacity: 0;
        transition: all .3s ease;
        -webkit-transition: all .3s ease;
        -moz-transition: all .3s ease;
        -o-transition: all .3s ease;
    }

    .navigation .box-navigation .menu-navigation.menu-active {
        opacity: 1;
        top: 100px;
    }

    .navigation .box-navigation .box:nth-child(2) ul {
        flex-direction: column;
    }

    .navigation .box-navigation .box:nth-child(2) ul li {
        margin-top: 15px;
        margin-bottom: 15px;
        display: flex;
        align-items: center;
        margin-left: 0;
    }

    .navigation .box-navigation .box:nth-child(2) ul li i {
        margin-inline: 10px;
        font-size: 24px;
    }

    .navigation .box-navigation .box:nth-child(2) ul li a {
        color: black;
    }

    .navigation .box-navigation .box:nth-child(3) {
        display: flex;
        align-items: center;
    }

    .navigation .box-navigation .box:nth-child(3) i {
        font-size: 28px;
    }

    header .hero h1 {
        font-size: 34px;
    }

    .about .box-about {
        flex-direction: column-reverse;
    }

    .about .box-about .box:nth-child(1) {
        text-align: center;
        margin-top: 30px;
        padding-right: 0;
    }

    .about .box-about .box:nth-child(2) img {
        width: 400px;
    }
}

@media screen and (max-width: 768px) {
    header .hero h1 {
        font-size: 28px;
    }   
}

@media screen and (max-width = 575px) {
    .about .box-about .box:nth-child(1) h1 {
        font-size: 34px;
    }
    
    .about .box-about .box:nth-child(1) p {
        font-size: 14px;
    }
    .about .box-about .box:nth-child(2) img {
        width: 300px;
    }
}

@media screen and (max-width: 475px) {
    header .hero h1 {
        font-size: 20px;
    }

    .about .box-about .box:nth-child(1) h1 {
        font-size: 28px;
    }
    
    .about .box-about .box:nth-child(1) p {
        font-size: 12px;
    }
    .about .box-about .box:nth-child(2) img {
        width: 250px;
    }
}

@media screen and (max-width = 375px) {
    .about .box-about .box:nth-child(1) h1 {
        font-size: 24px;
    }
    
    .about .box-about .box:nth-child(1) p {
        font-size: 10px;
    }
    .about .box-about .box:nth-child(2) img {
        width: 200px;
    }
}

.footer {
    background: var(--light-black);

}

.footer .box-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr));
    gap: 1rem;
}

.footer .box-container .box h3 {
    color: var(--white);
    font-size: 2rem;
    padding-bottom: 2rem;
}

.footer .box-container .box a {
    color: var(--light-white);
    font-size: 1rem;
    padding-bottom: 1.5rem;
    display: block;
}

.footer .box-container .box a i {
    color: var(--main-color);
    padding-right: .5rem;
    transition: .2s linear;
}

.footer .box-container .box a:hover i {
    padding-right: 2rem;
}

.footer .credit {
    text-align: center;
    padding-top: 3rem;
    margin-top: 3rem;
    border-top: .1rem solid var(--light-white);
    font-size: 2rem;
    color: var(--white);
}

.footer .credit span {
    color: var(--main-color);
}