@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100..900;1,100..900&family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');
:root{
    --header-hight: 3.5rem;
    --title-color:hsl(0, 0%, 95%);
    --text-color:hsl(0, 0%, 70%);
    --text-color-light:hsl(0, 0%, 60%);
    --body-color:hsl(0, 0%, 0%);
    --container-color:hsl(0, 0%, 8%);

    --body-font: "Poppins", sans-serif;
    --sec-font: "Montserrat",sans-serif;
    --biggest-font-size:2.75rem;
    --h1-font-size:1.5rem;
    --h2-font-size:1.25rem;
    --h3-font-size:1rem;
    --normal-font-size:.938rem;
    --small-font-size:.813rem;
    --smaller-font-size:.75rem;

    --font-reg:400;
    --font-mid:500;
    --font-bold:700;

    --z-tooltip:10;
    --z-fixed:100;
}
@media screen and (max-width:1440px){
    :root{
    --biggest-font-size:5.5rem;
    --h1-font-size:2.5rem;
    --h2-font-size:1.5rem;
    --h3-font-size:1.25rem;
    --normal-font-size:1rem;
    --small-font-size:.875rem;
    --smaller-font-size:.813rem;
    }
    
}
*{
    box-sizing: border-box;
    padding: 0;
    margin: 0;
}
html{
    scroll-behavior: smooth;
}
body{
    font-family: var(--body-font);
    font-size: var(--normal-font-size);
    color: var(--text-color);
    background-color:var(--body-color);
    padding: 40px;
    
}
h1,h2,h3,h4{
    color: var(--title-color);
    font-family: var(--sec-font);
    font-weight: var(--font-bold);
}
.section__title{
    text-align: center;
    font-size:var(--h1-font-size);
    margin-bottom: 1.5rem;
    transition: transform .4s;
    padding-top: 4rem;
    padding-bottom: 1rem;
}
.section__title:hover{
    transform: scale(1.5);
}
.inside__des p{
    margin-left: 4rem;
    margin-right: 4rem;
    text-align: initial;
    padding-bottom: 6rem;
   
}
.banner{
    width: 100%;
    height: 100vh;
  text-align: center;
    overflow: hidden;
    position: relative;

}
.banner .slider{
    position: absolute;
    width: 200px;
    height: 250px;
    top: 10%;
    left: calc(50% - 100px);
    transform-style: preserve-3d;
    transform: perspective(1000px);
    animation: autoRun 20s linear infinite;
    z-index: 2;
    margin-bottom: 0;
}
@keyframes autoRun{
    from{
        transform: perspective(1000px)rotateX(-20deg) rotateY(0deg);
    }
    to{
        transform: perspective(1000px)rotateX(-20deg) rotateY(360deg); 
    }
}
.banner .slider .item{
    position: absolute;
    inset: 0 0 0 0;
    transform:
    rotateY(calc((var(--position))*(360/var(--countity))*1deg))
     translateZ(350px);
}
.banner .slider .item img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.button{
    background-color: hsla(0, 0%, 100%, 0.2);
    padding: .25rem .5rem;
    color: var(--title-color);
    display: inline-flex;
    align-items: center;
    column-gap: 0.5rem;
    font-family: var(--sec-font);
    font-weight: var(--font-bold);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
  
}
.button i{
    color: var(--title-color);
}