:root {
    --noto-sans-font: 'Noto Sans', sans-serif;
    --mullish-font: 'Mulish', sans-serif;
    --bg-dark: #000000;
    --bg-light: #F6F6F6;
    --accent-color: #6c63ff;
    --button-radius: 25px;
}
  
* {
    margin: 0;
    padding: 0;
    font-family: 'Mulish';  
}

html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
    overflow-y: overlay;
}

p, a {
    font-family: var(--noto-sans-font);
    font-size: 15px;
}

a {
    text-decoration: none;
}

h1 {
    font-size: 75px;
    font-family: 'Mulish', sans-serif;
    font-weight: 900;
    margin: 40px 0 60px 0; 
}

h2 {
    font-size: 70px;
    font-family: 'Mulish', sans-serif;
    font-weight: 900;
    margin: 40px 0 100px 0;
}

h3 {
    font-size: 22px;
    font-family: 'Noto Sans', sans-serif;
    font-weight: bold;
    margin: 7px 0 10px 0;
    color: #2F2E41;
}

h4 {
    font-size: 20px;
    font-family: 'Noto Sans', sans-serif;
    font-weight: 600;
    margin: 10px 0 5px 0;
}

h5 {
    font-size: 20px;
    text-transform: uppercase;
    font-weight: 400;    
    color: #2F2E41;
}

section {
    padding: 70px 40px;    
    box-sizing: border-box;    
    scroll-margin-top: 120px;
}

section#section-home,
section#section-services,
section#section-about {
    background-color: var(--bg-light);
}

section#section-why-us,
section#section-4d,
section#section-4m {
    width: 100vw;
    background-color: var(--bg-dark);
}

section#section-5 {
    height: 800px;
    background-color: var(--bg-light);
}

ul {
    list-style-type: none;
}

ul li {
    margin-bottom: 10px;
}

hr {
    border: 1px solid #464646;
    margin: 0px auto;
    width: 80%;
    position: absolute;     
    left: 50%;
    transform: translate(-50%, 0);
}

/* move somewhere */

.page-nav-buttons {
    width: 100%;
    position: fixed;
    bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    left: 50%;
    transform: translate(-50%, 0);  
    box-sizing: border-box;
    padding: 0 40px; 
    z-index: 10;   
}

 .buttons-wrapper {
    background-color: rgb(159, 159, 159, 0.75);
    height: 35px;
    width: 35px;    
    display: flex;
    justify-content: center;
    align-items: center;    
    border-radius: 100%;
    padding: 5px;
    bottom: 30px;
    cursor: pointer;
    z-index: 10;
    transition: 0.5s ease;
}

.buttons-wrapper:hover, 
.buttons-wrapper#button-to-top.show:hover {
    background-color: black;
    transform: scale(1.1);
    transition: 0.5s ease;
}

.buttons-wrapper i {
    margin: 10px;
    font-size: 18px;
    color: rgb(255, 255, 255);
}

.buttons-wrapper:last-child i {
    color: rgb(255, 255, 255, 0);
}

.buttons-wrapper.show i {
    color: rgb(255, 255, 255, 1);
}

.buttons-wrapper#button-to-top.show {
    transform: translateY(0px);    
    background-color: rgb(159, 159, 159, 0.75);
    pointer-events: all;
} 

.buttons-wrapper#button-to-top {
    transform: translateY(-20px);     
    background-color: rgb(159, 159, 159, 0);
    pointer-events: none;
}  
/* move somewhere */


/* move somewhere */
.home-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    height: calc(100vh - 105px);
    justify-content: space-between;
}

.home-wrapper a {
    z-index: 40;
}

.scroll-icon {
    width: 17px;
    height: 30px;
    border: 2px solid rgb(0, 0, 0);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.scroll-icon-indicator {
   width: 5px;
   height: 7px;
   border-radius: 100%;
   border-radius: 10px;
   background-color: #000000;
   animation: updown 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) infinite;
}

@keyframes updown {
    0%, 100% {
        transform: translateY(-6px);;
      }
      50% {
        transform: translateY(6px);
      }
}

/* move somewhere */
@media only screen and (min-width: 1400px) {
    section .wrapper
    {
        max-width: 1400px;
        margin: 0 auto;
    }


    .page-nav-buttons {
        max-width: 100vw;
    }
}

@media (max-width: 767px) {
    section {
        padding: 30px 20px;    
        scroll-margin-top: 70px;
    }    

    h2 {
        text-align: center;
    }

    .page-nav-buttons {
        width: 100%;
        position: fixed;
        bottom: 15px;
        display: flex;
        justify-content: end;
        padding: 0 20px;   
    }
    
    .buttons-wrapper:first-child {
       display: none;
    }

    .home-wrapper {
        height: calc(100vh - 60px);
    }

    h1 {
        font-size: 60px;
        margin: 30px 0; 
        text-align: center;
    }

    #main-title {
        text-align: left;
    }

    ::-webkit-scrollbar { 
        display: none; 
    }  
}