@font-face {
    font-family: "Poppins";
    src: url("./fonts/Poppins-Regular.ttf") format("truetype");
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: "Poppins";
    src: url("./fonts/Poppins-Medium.ttf") format("truetype");
    font-weight: 500;
    font-style: normal;
}

@font-face {
    font-family: "Poppins";
    src: url("./fonts/Poppins-SemiBold.ttf") format("truetype");
    font-weight: 600;
    font-style: normal;
}

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

body {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: #F9FAFB;
}

.author-info {
    font-size: 14px;
    text-align: center;
    margin-top: 16px;
    color: rgb(55, 65, 81);
    margin-top: auto;
    margin-bottom: 10px;
}

.author-info a {
    text-decoration: none;
}

.newsletter-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    flex-grow: 1;
    width: 720px;
}

.newsletter-title {
    font-family: "Poppins";
    font-weight: 600;
    font-size: 48px;
    color: #000000;
    margin-top: 16px;
}

.newsletter-subheading {
    font-family: "Poppins";
    font-weight: 400;
    font-size: 20px;
    color: #6C727F;
    text-align: center;
    margin-top: 16px;
}

.card {
    display: flex;
    justify-items: center;
    align-items: center;
    flex-direction: column;
    row-gap: 24px;
    margin-top: 48px;
    padding: 24px;
    width: 560px;
    border-radius: 8px;
    box-shadow: 4px 4px 10px 0px #E5E7EB;
    background-color: #FFFFFF;
}

.card-email {
    font-family: "Poppins";
    font-weight: 500;
    font-size: 16px;
    color: #6C727F;
    background-color: #F9FAFB;
    width: 100%;
    padding: 16px;
    text-align: left;
    border: 1px solid #E5E7EB;
    border-radius: 8px;
}

.card-email::placeholder {
    text-align: center;
}

.card-submit {
    font-family: "Poppins";
    font-weight: 600;
    font-size: 16px;
    width: 100%;
    padding: 16px;
    background-color: #284BCE;
    color: #FFFFFF;
    border: 1px solid #284BCE;
    border-radius: 8px;
}

.card-submit:hover {
    background-color: #213990;
    cursor: pointer;
}

.card-helper-text {
    font-family: "Poppins";
    font-weight: 400;
    font-size: 14px;
    text-align: center;
    color: #6C727F;
}