html, body, h1, p, ul {

    margin: 0;
    padding: 0;

}

body {

    background: url(../img/am_bg.jpg) no-repeat center center / cover;
    height: 100vh;
    font-family: 'Shantell Sans', cursive;
    position: relative;

}

/* Шапка (header) */

.am_topline {

    background: rgba(0,0,0, 0.5);
    height: 100%;
    display: flex;
    justify-content: space-between;
    padding: 7px 30px;

}

.am_logo {

    display: flex;
    align-items: center;

}

.am_logo  a {

    text-decoration: none;
    display: flex;
    align-items: center;

}

.am_logo__icon {

    fill: #fff;

}

.am_topline .am_logo svg {

    margin-right: 15px;

}

.am_topline .am_logo span {

    color: #fff;
    text-transform: uppercase;
    font-weight: 600;

}

.am_topline nav {

    display: flex;
    align-items: center;

}

.am_topline nav ul {

    display: flex;

}

.am_topline nav ul li {

    text-transform: uppercase;
    list-style-type: none;
    margin-right: 30px;

}

.am_topline nav ul li:last-child {

    margin-right: 0;

}


.am_topline nav ul li a {

    color: #fff;
    font-size: 14px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;

}

.am_topline nav ul li a:hover {

    text-decoration: underline;
    color: #f9fe3a;
    transition: all 0.3s;

}

/* Содержимое (content) */

.am_main {

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-top: 200px;

}

.am_main h1 {

    color: #fff;
    font-size: 35px;
    text-align: center;
    text-transform: uppercase;
    padding: 20px;
    background: rgba(0,0,0, 0.5);
    border-radius: 30px;
    letter-spacing: 2.5px;
    filter: drop-shadow(0 0 0.75rem #000);

}

.am_main a {

    padding: 15px 50px;
    background: rgb(2,0,36);
    background: linear-gradient(180deg, rgba(2,0,36,1) 0%, rgba(9,9,121,1) 35%, rgba(0,212,255,1) 100%);
    color: #fff;
    border-radius: 20px;
    text-decoration: none;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 1.5px;
    margin-top: 30px;
    transition: all 0.3s;
    filter: drop-shadow(0 0 0.75rem #000);

}

.am_main a:hover {

    background: linear-gradient(180deg, rgba(2,0,36,1) 0%, rgba(9,9,121,1) 35%, rgba(0,212,255,1) 90%);
    transition: all 0.3s;

}


#am_video {

    display: none;
    padding: 25px !important;
    border-radius: 30px;

}

#am_about__anim,
#am_about__author {

    display: none;
    text-align: center;
    border-radius: 30px;
    line-height: 25px;

}

/*  Подвал (footer */

footer {

    padding: 20px 0;
    background: rgba(0,0,0, 0.8);
    width: 100%;
    position: absolute;
    bottom: 0;

}

footer p {

    text-align: center;
    color: #fff;
    font-size: 14px;
    
}