@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@200;400&display=swap');

* {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    user-select: none;
    box-sizing: border-box;
}

section {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: auto;
    scroll-behavior: smooth;
    scroll-snap-type: y mandatory;
}

.sec {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    width: 100%;
    height: 100vh;
    mix-blend-mode: multiply;
    scroll-snap-align: center;
}

h3 {
    color: #fff;
    font-size: 10vw;
    text-align: center;
    margin: 0 50px;
}

.sec:nth-child(1) {
    background: url(images/bg1.jpg) red;
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
    background-blend-mode: multiply;
}

.sec:nth-child(2) {
    background: url(images/bg2.jpg) #0f0;
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
    background-blend-mode: multiply;
}

.sec:nth-child(3) {
    background: url(images/bg3.jpg) #ff0;
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
    background-blend-mode: multiply;
}

.sec:nth-child(4) {
    background: url(images/bg8.jpg) #f436ee;
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
    background-blend-mode: multiply;
}

.sec:nth-child(5) {
    background: url(images/bg5.jpg) #00f;
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
    background-blend-mode: multiply;
}

.sec:nth-child(6) {
    background: url(images/bg6.jpg) #ff9800;
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
    background-blend-mode: multiply;
}

.sec:nth-child(7) {
    background: url(images/bg7.jpg) #0f0;
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
    background-blend-mode: multiply;
}

.text-sticky {
    position: absolute;
    top: 0;
    width: 100%;
    text-align: center;
}

.text-sticky h2 {
    position: relative;
    display: flex;
    justify-content: center;
}

.text-sticky h2 span {
    position: sticky;
    top: 0;
    line-height: 100vh;
    height: 100vh;
    color: white;
    font-size: 14vw;
    margin-top: calc(100vh * var(--i));
}