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

html {
    scroll-behavior: smooth;
}

main{
    overflow: hidden;
}

:root {
    --bg: #ecedee;
    --base-font-size: 16px;
    --Mf: 'Sora', sans-serif;;
    --mf: "Open Sans", sans-serif;

    --font-size-h1: 3.5rem;  
    --font-size-h2: 2.25rem; 
    --font-size-h3: 2rem;    
    --font-size-h4: 1.75rem; 
    --font-size-h5: 1.5rem
    
    --font-size-p: 1.25rem;  
    --font-size-a: 1.25rem;  
}

body {
    background-color: var(--bg);
}

.container {
    background-color: white;
    display: flex;
    justify-content: space-between;
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 1rem;
    position: relative;
    align-items: center;
}

a {
    text-decoration: none;
}

ul {
    list-style: none;
}

.menu {
    display: flex;
    gap: 1.2rem;
}

.list_items {
    font-size: var(--font-size-a);
    color: black;
    font-family: var(--Mf);
}

header {
    padding: 0 1rem;
}

.login_container {
    display: flex;
    gap: 1rem;
    align-items: center;
    font-size: var(--font-size-a);
    font-family: var(--Mf);
    font-weight: 400;
}

.logo_container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo_container a {
    font-size: var(--font-size-a);
    color: black;
    font-family: var(--Mf);
    font-weight: 600;
}

.sign{
    border: 1px solid black;
    padding: 8px 10px;
    border-radius: 0.6rem;
}

.sign:hover{
    background-color: black;
    color: white;
}

.started{
    background-color: black;
    padding: 8px 10px;
    border-radius: 0.6rem;
    color: white !important;
}



.login_container a {
    color: black;
}

.close,
.add {
    font-size: var(--font-size-h2);
    position: absolute;
    top: 0;
    right: 0;
    display: none;
}

.home {
    background-color: hsla(240, 13%, 5%, 0.909);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 1rem;
    margin-top: 1rem;
    border-radius: 1rem;
    position: relative;
}

.logo_img {
    height: 25px;
}

.title_box h1,
.title_box p {
    color: white;
    font-family: var(--mf);
    text-align: center;
}

.title_box h1 {
    font-size: var(--font-size-h1);
    font-family: var(--Mf);
    color: white;
    margin-bottom: 1rem;
    font-weight: 600;
}

.title_box p{
    width: 700px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 2rem;
    font-size: var(--font-size-p);
}

.title_box {
    padding-block: 8rem 5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.radial{
    z-index: 1;
    height: 750px;
    width: 750px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 0 1000px hsla(0, 0%, 100%, 0.5);
    position: absolute; 
    top: -25%; 
    left: 50%; 
    transform: translate(-50%, -50%); 
    filter: blur(200px);
}

button {
    font-size: var(--font-size-h5);
    font-family: var(--Mf);
    padding: 10px 15px;
    border-radius: 12px;  
    border: none; 
    cursor: pointer;
    background-color: #2a2a2a;  
    box-shadow: 
        5px 5px 10px rgba(0, 0, 0, 0.4),  
        -5px -5px 10px rgba(255, 255, 255, 0.2); 
    transition: all 0.3s ease; 
}


.buttons button{
    font-size: var(--font-size-h5);
    font-family: var(--Mf);
    padding: 10px 15px;
    border-radius: 0.8rem;
}

.buttons{
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.out_btn{
    background-color: transparent;
    color: white;
}
.btn{
    background-color: white;
}

.float{
    height: 50px;
    position: absolute;
}

.f1{
    top: 40%;
    left: 12%;
    transform: rotate(15deg);
}

.f2{
    top: 40%;
    right: 12%;
    transform: rotate(-15deg);
}

.f3{
    top: 25%;
    right: 20%;
    transform: rotate(15deg);
}

.f4{
    top: 20%;
    left: 20%;
    transform: rotate(15deg);
}

.main_img{
    padding: 1rem;
    padding-bottom: 0;
    background-color: #363535;
    border-radius: 1rem 1rem 0 0 ;
    box-shadow: 0 4px 2px rgba(255, 255, 255, 0.218);
}

.main_img img{
    height: 500px;
    border-radius: 1rem 1rem 0 0;
}

.title_box h1 {
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
}

.title_box p {
    text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.3);
}

.button {
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.button:hover {
    transform: translateY(-5px);
    background-color: rgba(255, 255, 255, 0.8);
    box-shadow: 0px 15px 25px rgba(0, 0, 0, 0.3);
}

.btn:hover{
    transform: scale(1.2);
}

@media (max-width: 768px) {
    :root {
        --font-size-h1: 1.75rem; 
        --font-size-h2: 1.5rem;  
        --font-size-h3: 1.25rem; 
        --font-size-h4: 1rem;    
        --font-size-p: 0.8rem;     
        --font-size-a: 0.8rem;     
    }

    .main_img img{
        height: 250px;
    }

    .title_box{
        padding-block: 5rem;
    }

    .title_box p{
        width: 300px;
    }
    .login_container a{
        font-size: var(--font-size-p);
    }
    .login_container{
        display: none;
    }
    .f1{
        top: 13%;
        left: 12%;
    }
    .f2{
        top: 16%;
        right: 8%;
    }
    .f3{
        top: 35%;
        right: 10%;
    }
    .f4{
        top: 31%;
        left: 5%;
    }
    .float{
        height: 35px;
    }

}

@media (max-width:577px) {
    .main_img img{
        height: 250px;
    }

    .title_box p{
        width: 300px;
    }
    .login_container a{
        font-size: var(--font-size-p);
    }
    .login_container{
        display: none;
    }
    .f1{
        top: 8%;
        left: 5%;
    }
    .f2{
        top: 10%;
        right: 8%;
    }
    .f3{
        top: 22%;
        right: 7%;
    }
    .f4{
        top: 21%;
        left: 5%;
    }
    .float{
        height: 25px;
    }

    .radial{
        height: 500px;
        width: 500px;
    }
}

.btn:hover{
    transform: scale(1.2);
}

button:hover {
    transform: scale(1.065) !important;
    box-shadow: 7px 7px 12px rgba(0, 0, 0, 0.4),  
                -7px -7px 12px rgba(255, 255, 255, 0.2);
}