* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: sans-serif;
}

body {
    height: 0px;
}

header {
    background: url('img/header_img.jpg');
    height: 100vh;
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

header div {
    color: rgb(255, 255, 255);
    text-align: center;
}

header div h1 {
    font-size: 70px;
    font-family: sans-serif;
    padding: 0 0 50px;
}

header div h4 {
    font-size: 20px;
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
}

#arrow::after,
#arrow::before {
    content: '';
    position: absolute;
    top: 90%;
    background-color: white;
    width: 2px;
    height: 30px;
}

#arrow::before {
    left: calc(50% + 11.5px);
    transform: rotate(50deg);
    animation: animate_arrow1 1.5s infinite ease;
    animation-delay: 1.5s;
}

#arrow::after {
    left: calc(50% - 11.5px);
    transform: rotate(-50deg);
    animation: animate_arrow2 1.5s infinite ease;
    animation-delay: 1.5s;
}

@keyframes animate_arrow1 {
    0% {
        transform: translateY(0) rotate(50deg);
    }
    50% {
        transform: translateY(-10px) rotate(50deg);
    }
}

@keyframes animate_arrow2 {
    0% {
        transform: translateY(0) rotate(-50deg);
    }
    50% {
        transform: translateY(-10px) rotate(-50deg);
    }
}

.section {
    width: 100%;
    height: 97vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: white;
    margin: 0 0 500px 0;
    z-index: 1;
    overflow: hidden;
}

#section1 {
    z-index: 1;
}

.section div {
    max-width: 500px;
    text-align: center;
}

.section div h5 {
    color: rgb(255, 153, 0);
    font-size: 15px;
    margin: 30px;
}

.section div p {
    font-size: 30px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0 0 40px;
}

#section3 {
    height: 900px;
}

.parallax {
    width: 100%;
    height: 100vh;
    position: absolute;
}

#parallax1 {
    background: url('img/img1.jpg');
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    overflow: hidden;
    z-index: -1;
    top: 100vh;
}

#parallax2 {
    background: url('img/img2.jpg');
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    overflow: hidden;
    z-index: -1;
    top: 264.2vh;
}

#end_1 {
    background-color: rgb(14, 14, 14);
    color: white;
    width: 100%;
    padding: 150px 0;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    top: -500px;
}

#end_1 div {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    text-align: center;
}

#end_1 div h1 {
    font-size: 35px;
    margin: 0 0 50px;
    font-weight: bolder;
}

#end_1 div h2 {
    font-size: 20px;
    margin: 0 0 10px;
    font-weight: lighter;
}

#end_1 div #icons {
    margin: 50px 0 0 0;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: white;
    position: relative;
}

#icons::after,
#icons::before {
    content: '';
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: white;
    position: absolute;
}

#icons::before {
    left: -40px;
}

#icons::after {
    left: 40px;
}

#end_2 {
    background-color: rgb(7, 7, 7);
    color: rgb(159, 159, 159);
    width: 100%;
    padding: 50px 0;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    flex-direction: column;
    top: -500px;
}

#icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgb(68, 68, 68);
}

#end_2 #button {
    width: 150px;
    height: 40px;
    background-color: rgb(68, 68, 68);
    border-radius: 40px;
    color: black;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 14px;
}

#end_2 #a1 {
    max-width: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    text-align: center;
}

#end_2 #a1 p {
    margin: 20px 0;
}

#end_2 #a1:hover {
    color: white;
}

#end_2 #a1:hover #icon {
    background-color: white;
}

#end_2 #a1:hover #button {
    background-color: white;
}

#end_2 a {
    text-decoration: none;
    color: rgb(68, 68, 68);
}

#block_a {
    margin: 40px 0 0 0;
}

#block_a a {
    margin: 0 20px;
    font-size: 14px;
}

#end_2 a:hover {
    color: white;
}