* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background-color: #111;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    text-align: center;
    overflow: hidden;
    position: relative;
}

.background-circle {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 700px;
    height: 700px;
    background-color: rgb(5, 53, 226);
    clip-path: circle(50% at 0 100%);
    z-index: -1;
}

.background-circle2 {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 550px;
    height: 550px;
    background-color: rgb(15, 67, 255);
    clip-path: circle(50% at 0 100%);
    z-index: -1;
}

.background-circle3 {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 400px;
    height: 400px;
    background-color: rgb(39, 86, 255);
    clip-path: circle(50% at 0 100%);
    z-index: -1;
}

.go-back-button {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.9), rgba(0, 51, 153, 0.9));
    color: white;
    text-decoration: none;
    padding: 14px 24px;
    font-size: 18px;
    font-weight: bold;
    border-radius: 12px;
    transition: all 0.3s ease-in-out;
    box-shadow: 0 5px 15px rgba(0, 102, 255, 0.4);
    display: flex;
    align-items: center;
    gap: 10px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    font-family: "Poppins", sans-serif;
    letter-spacing: 0.5px;
    backdrop-filter: blur(10px);
    overflow: hidden;
    position: fixed;
    z-index: 100;
}

.go-back-button:hover {
    background: linear-gradient(135deg, rgba(0, 51, 153, 1), rgba(0, 102, 255, 1));
    transform: scale(1.08);
    box-shadow: 0 10px 25px rgba(0, 102, 255, 0.6);
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.go-back-button::before {
    font-size: 20px;
    transition: transform 0.3s ease-in-out;
}

.go-back-button:hover::before {
    transform: translateX(-5px);
}

.header {
    position: absolute;
    top: 7.5%;
    left: 45.3%;
    padding: 10px 20px;
    border-radius: 20px;
    font-weight: bold;
    color: white;
    z-index: 2;
    font-size: 30px;
}

.container {
    background-color: #111;
    padding: 46px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 15%;
}

.background-shape {
    position: absolute;
    right: 0%;
    z-index: -1;
}

.top-of-buttons {
    width: 120px;
    height: 120px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: absolute;
    top: 19%;
    left: 50%;
    transform: translateX(-50%);
}

input::placeholder {
    color: #888;
}

.buttons {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 25px;
    gap: 20px; 
}

.button {
    background-color: white;
    color: rgb(66, 107, 255);
    font-weight: bold;
    border: none;
    padding: 14px;
    width: 100%;
    max-width: 300px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: 0.3s;
    text-transform: uppercase;
    text-align: center;
    display: inline-block;
    text-decoration: none; 
    text-align: center;
}

.button:hover {
    background: linear-gradient(135deg, #ffffff, #ffffff);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.5);
}

input[type="text"],
input[type="email"],
input[type="password"] {
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: 5px;
    background-color: #222;
    color: white;
    outline: none;
    font-size: 18px;
    box-shadow: 0px 4px 10px rgba(255, 255, 255, 0.2);
    margin-bottom: 15px;
}

@media (max-width: 768px) {
    body {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding: 20px;
        height: 100vh;
        overflow-y: auto;
    }
    .background-circle,
    .background-circle2,
    .background-circle3 {
        width: 80vw;
        height: 80vw;
        max-width: 400px;
        max-height: 400px;
    }
    .go-back-button {
        font-size: 14px;
        padding: 10px 15px;
        position: absolute;
        top: 10px;
        left: 10px;
    }
    .header {
        position: relative;
        top: 0;
        left: 50%;
        transform: translateX(-50%);
        font-size: 22px;
        text-align: center;
        margin-bottom: 15px;
    }
    .container {
        width: 90%;
        max-width: 400px;
        padding: 15px;
        background: rgba(0, 0, 0, 0.8);
        border-radius: 10px;
    }
    .top-of-buttons {
        width: 80px;
        height: 80px;
        top: 10%;
        left: 50%;
        transform: translateX(-50%);
    }
    .buttons {
        width: 100%;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .button {
        padding: 14px;
        font-size: 16px;
        width: 100%;
        text-align: center;
    }

    input[type="text"],
    input[type="email"],
    input[type="password"] {
        width: 100%;
        font-size: 16px;
        padding: 12px;
        margin-bottom: 10px;
        border: 1px solid #ccc;
        border-radius: 5px;
    }
}
@media (max-width: 768px) {
    body {
        padding: 20px;
    }
    .go-back-button {
        top: 15px;
        left: 15px;
        padding: 8px 16px;
        font-size: 13px;
    }
    .header {
        margin: 70px 0 25px;
        font-size: 1.75rem;
    }
    .logo-container {
        width: 80px;
        height: 80px;
        margin-bottom: 25px;
    }

    .container {
        padding: 1.5rem;
        width: 95%;
    }
    input[type="text"],
    input[type="email"],
    input[type="password"] {
        padding: 10px 16px;
        font-size: 15px;
    }
    .button {
        padding: 10px;
        font-size: 15px;
    }
    .background-circle .background-circle2 .background-circle3 {
    display: none;
}
    .header{
    left: 20%;
    top: -7.5%;
}
.top-of-buttons {
    top: 20%;
}
}

@media (max-width: 480px) {
    .header {
        margin: 60px 0 20px;
        font-size: 1.5rem;
    }
    .logo-container {
        width: 70px;
        height: 70px;
    }
    .go-back-button {
        top: 10px;
        left: 10px;
    }
    .background-circle1 .background-circle2 .background-circle3 {
        display: none;
}
    .go-back-button {
        padding: 10px 16px;
        font-size: 13px;
        top: 10px;
        left: 10px;
    }
    .header {
        font-size: 22px;
        margin: 50px 0 15px 0;
    }
    .container {
        padding: 20px 15px;
    }
    .button {
        padding: 14px;
        font-size: 14px;
    }
    input[type="text"],
    input[type="email"],
    input[type="password"] {
        padding: 12px;
        font-size: 15px;
    }
}