body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    overflow-x: hidden;
	background:#334833;
	background: 14% 97% / 208px no-repeat url(bitA03WAB.svg), center top / 100% repeat-y url(vik_sit_bg9.svg?ver=1.5.5.5.9.v), 49% 105% / 675px no-repeat url(left-image-tablet.4629009ece41.svg?ver=1.5.5.5.9.v)  #020309; /*#0C1021;*/
}

h1 {
    text-align: center;
    padding: 20px;
    color: #9a9a9a;
    position: absolute; /*relative;*/
    z-index: 2;
}

.section {
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.red { background-color: /*#959595;*/ #c1c1c1; }
.blue { background-color: /*#585858;*/ #c1c1c1; }
.green { background-color: /*#2c2c2c;*/ #a1a1a1; } 

.red { background-color: transparent; }
.blue { background-color: transparent; }
.green { background-color: transparent; }


.parallax-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: 1;
    opacity: /*0.73;*/ 1;
}

.red .parallax-bg { background-image: url('2a.middle-waves-negative.svg'); }
/*.blue .parallax-bg { background-image: url('2a.middle-waves-negative.svg'); }*/
/*.green .parallax-bg { background-image: url('2.middle-waves-horizontal-flipped.svg'); } */

.parallax {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.image {
    max-width: 501px;
    max-height: 501px;
    width: 77.5%;
    height: auto;
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 2.8s ease, transform 1.8s ease;
    z-index: 2;
    border-left: 1px solid #2e2e2e;
    border-radius: 60%;
    border-top: 1px solid #2e2e2e;
    backdrop-filter: blur(2px);
}

.image-sm {
    max-width: 78px;
    max-height: 109px;
    width: 80%;
    height: auto;
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 2.8s ease, transform 1.8s ease;
    z-index: 3;
}

.image.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Кнопки-якоря */
.anchor-nav {
    position: fixed;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.anchor-btn {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    text-decoration: none;
    font-weight: bold;
    transition: background 0.3s;
}

.anchor-btn:hover {
    background: rgba(255, 255, 255, 0.8);
    color: #333;
}

@media (max-width: 768px) {
    .image {
        max-width: 300px;
    }
    .anchor-nav {
        right: 10px;
    }
}
.centered {
  position: absolute;
  top: 5%;
  left: 50%;
  /* коррекция положения элемента */
  transform: translate(-50%, -50%);
}
.bckg-row {
    background: url(vi.svg) no-repeat 95% 25%;
    background-size: 11%;
}
.bckg-rowA {
    background: url(bitA03WA.svg) no-repeat 95% 25%;
    background-size: 11%;
	
	background: 84% 25% / 140px no-repeat url(bitA03WAB.svg), 14% 10% / 223px no-repeat url(bitA03WA.svg) , 20% 45% / 263px no-repeat url(bitA03WAB.svg), 47% 23% / 51% no-repeat url(Bitcoin-Genesis-block.svg);
}
.bckg-rowB {
    background: url(bitA03WB.svg) no-repeat 95% 25%;
    background-size: 11%;
	
	background: 84% 6% / 140px no-repeat url(bitA03WAB.svg), 14.5% 0% / 208px no-repeat url(bitA03WAB.svg), 14% .1% / 216px no-repeat url(central-image-tablet.c886f5.svg);
}
.bckg-rowC {
    background: url(bitA03WC.svg) no-repeat 95% 25%;
    background-size: 11%;
	
	background: 84% 25% / 140px no-repeat url(bitA03WC.svg), 14% 4% / 223px no-repeat url(bitA03WC.svg), 43% 1% / 59% no-repeat url(pine-script-img.svg) ;
}
.bckg-rowD {
    background: url(bitA03WB.svg) no-repeat 95% 25%;
    background-size: 11%;
	
	background: 84% 0% / 98px no-repeat url(bitA03WAB.svg), 50% 0% / 128px no-repeat url(Vladimir_IV_.svg), 12% .1% / 265px no-repeat url(central-image-tablet.c8896f5.svg);
}


.bckg-size {background-size: 417%;}


/*                                  hvr-wobble-vertical                                         */
@-webkit-keyframes hvr-wobble-vertical {
    16.65% {
        -webkit-transform: translateY(8px);
        transform: translateY(8px)
    }

    33.3% {
        -webkit-transform: translateY(-6px);
        transform: translateY(-6px)
    }

    49.95% {
        -webkit-transform: translateY(4px);
        transform: translateY(4px)
    }

    66.6% {
        -webkit-transform: translateY(-2px);
        transform: translateY(-2px)
    }

    83.25% {
        -webkit-transform: translateY(1px);
        transform: translateY(1px)
    }

    100% {
        -webkit-transform: translateY(0);
        transform: translateY(0)
    }
}

@keyframes hvr-wobble-vertical {
    16.65% {
        -webkit-transform: translateY(8px);
        transform: translateY(8px)
    }

    33.3% {
        -webkit-transform: translateY(-6px);
        transform: translateY(-6px)
    }

    49.95% {
        -webkit-transform: translateY(4px);
        transform: translateY(4px)
    }

    66.6% {
        -webkit-transform: translateY(-2px);
        transform: translateY(-2px)
    }

    83.25% {
        -webkit-transform: translateY(1px);
        transform: translateY(1px)
    }

    100% {
        -webkit-transform: translateY(0);
        transform: translateY(0)
    }
}

.hvr-wobble-vertical {
    display: inline-block;
    vertical-align: middle;
    -webkit-transform: perspective(1px) translateZ(0);
    transform: perspective(1px) translateZ(0);
    box-shadow: 0 0 1px rgba(0,0,0,0)
}

.hvr-wobble-vertical:active,.hvr-wobble-vertical:focus,.hvr-wobble-vertical:hover {
    -webkit-animation-name: hvr-wobble-vertical;
    animation-name: hvr-wobble-vertical;
    -webkit-animation-duration: 1s;
    animation-duration: 1s;
    -webkit-animation-timing-function: ease-in-out;
    animation-timing-function: ease-in-out;
    -webkit-animation-iteration-count: 1;
    animation-iteration-count: 1
}

@-webkit-keyframes hvr-wobble-horizontal {
    16.65% {
        -webkit-transform: translateX(8px);
        transform: translateX(8px)
    }

    33.3% {
        -webkit-transform: translateX(-6px);
        transform: translateX(-6px)
    }

    49.95% {
        -webkit-transform: translateX(4px);
        transform: translateX(4px)
    }

    66.6% {
        -webkit-transform: translateX(-2px);
        transform: translateX(-2px)
    }

    83.25% {
        -webkit-transform: translateX(1px);
        transform: translateX(1px)
    }

    100% {
        -webkit-transform: translateX(0);
        transform: translateX(0)
    }
}

/*                                                                               hvr-bob                                                                          */
@-webkit-keyframes hvr-bob {
    0% {
        -webkit-transform: translateY(-8px);
        transform: translateY(-8px)
    }

    50% {
        -webkit-transform: translateY(-4px);
        transform: translateY(-4px)
    }

    100% {
        -webkit-transform: translateY(-8px);
        transform: translateY(-8px)
    }
}

@keyframes hvr-bob {
    0% {
        -webkit-transform: translateY(-8px);
        transform: translateY(-8px)
    }

    50% {
        -webkit-transform: translateY(-4px);
        transform: translateY(-4px)
    }

    100% {
        -webkit-transform: translateY(-8px);
        transform: translateY(-8px)
    }
}

@-webkit-keyframes hvr-bob-float {
    100% {
        -webkit-transform: translateY(-8px);
        transform: translateY(-8px)
    }
}

@keyframes hvr-bob-float {
    100% {
        -webkit-transform: translateY(-8px);
        transform: translateY(-8px)
    }
}

.hvr-bob {
    display: inline-block;
    vertical-align: middle;
    -webkit-transform: perspective(1px) translateZ(0);
    transform: perspective(1px) translateZ(0);
    box-shadow: 0 0 1px rgba(0,0,0,0)
}

.hvr-bob:active,.hvr-bob:focus,.hvr-bob:hover {
    -webkit-animation-name: hvr-bob-float,hvr-bob;
    animation-name: hvr-bob-float,hvr-bob;
    -webkit-animation-duration: .3s,1.5s;
    animation-duration: .3s,1.5s;
    -webkit-animation-delay: 0s,.3s;
    animation-delay: 0s,.3s;
    -webkit-animation-timing-function: ease-out,ease-in-out;
    animation-timing-function: ease-out,ease-in-out;
    -webkit-animation-iteration-count: 1,infinite;
    animation-iteration-count: 1,infinite;
    -webkit-animation-fill-mode: forwards;
    animation-fill-mode: forwards;
    -webkit-animation-direction: normal,alternate;
    animation-direction: normal,alternate
}