*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

@font-face {
    font-family: "gt-alpina-tw";
    src: url("fonts/GT-Alpina-Typewriter-Regular.woff") format("woff"), url("fonts/GT-Alpina-Typewriter-Regular.woff2") format("woff2");
    font-weight: normal;
    font-style: normal;
}

:root{
    font-size: clamp(.9rem, 1.1vw + 1px , 1.3rem); 
    line-height: 1.45;
}

/* _____HEADER_____ */

html{
    overflow-x: hidden;
}

body{
    font-family: "gt-alpina-tw";
    overflow-x: hidden;
}

.header{
    position: fixed;
    top: 0;

    width: 100%;
    z-index: 0;
}

.header__background{
    position: fixed;
    top: -21.5vw;
    transform: rotate(180deg) scaleY(1.2);
}

.header__background path{
    animation: waving 30s;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
}

@keyframes waving{
    0%{
        d: path("M0,192 C220,100,440,100,660,192 C880,290,1100,290,1320,192 L1320 700 L0 700")
    }
    25%{
        d: path("M0,100 C220,100,440,292,660,292  C880,292,1100,100,1320,100 L1320 700 L0 700")
    }
    50%{
        d: path("M0,192 C220,290,440,290,660,192 C880,100,1100,100,1320,192 L1320 700 L0 700")
    }
    75%{
        d: path("M0,292 C220,292,440,100,660,100  C880,100,1100,292,1320,292 L1320 700 L0 700")
    }
    100%{
        d: path("M0,192 C220,100,440,100,660,192 C880,290,1100,290,1320,192 L1320 700 L0 700")
    }
}

/* _____MAIN_____ */
.main{
    position: relative;
    width: 100%;
    height: 100vh;
    height: calc(var(--vh, 1vh) * 100);
    z-index: 10;



}
.main__logo{
    width: 100%;
    height: 100vh;

    display: flex;
    justify-content: center;
    align-items: center;
}

.main__logo img{
    margin-top: -3rem;
    max-width: 27rem;
    padding: 0 3rem;
    height: auto;
    animation: logo-animation 4s;  
}





.main__sentence{
    position: absolute;
    width: 100%;
    bottom: 3rem;
    padding: 0 2rem;
    text-align: center;
}

.main__sentence a{
    border-bottom: 1px solid #ae7ff5;
    cursor: pointer;
}


.main__sentence a:hover{
    color: #ae7ff5;
}

@keyframes logo-animation{
    from {
      transform: rotate(-90deg);
    }
    to {
      transform: rotate(-360deg);
    }
  }
