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

body {

    font-family: Inter, sans-serif;
    background: #fff;
    color: #202124;

}

.topbar {

    height: 60px;
    border-bottom: 1px solid #ececec;

    display: flex;
    align-items: center;

    padding: 0 26px;

}

.repo {

    display: flex;
    align-items: center;
    gap: 14px;

    font-weight: 600;
    color: #444;

}

.github {

    width: 26px;
    height: 26px;

}

main {

    display: flex;
    justify-content: center;
    align-items: center;

    height: calc(100vh - 60px);

}

.wrapper {

    text-align: center;

}

.book {

    width: 62px;
    height: 62px;

    margin: auto;

    display: flex;
    justify-content: center;
    align-items: center;

    color: #000;

}

.book svg {

    width: 60px;

}

h1 {

    margin-top: 18px;

    font-size: 24px;
    font-weight: 600;

}

.subtitle {

    margin-top: 12px;

    color: #888;
    font-size: 18px;

}

.subtitle span {

    color: #6b7c91;

}

.card {

    margin-top: 46px;

    max-width: 560px;

    border: 1px solid #e7e7e7;

    border-radius: 18px;

    padding: 30px;

    box-shadow:
        0 10px 24px rgba(0, 0, 0, .06);
    margin: 40px auto;

}

.card-head {

    display: flex;
    justify-content: space-between;
    align-items: center;

}

.access {

    display: flex;
    align-items: center;
    gap: 10px;

    padding: 11px 18px;

    background: #fafafa;

    border: 1px solid #e4e4e4;

    border-radius: 10px;

    font-weight: 600;

}

.badge {

    background: #eaf9ee;

    color: #2ea24b;

    padding: 8px 16px;

    font-size: 13px;

    border-radius: 30px;

    font-weight: 600;

}

.info {

    margin-top: 28px;

    border: 1px solid #e5e5e5;

    border-radius: 12px;

    padding: 24px;

    text-align: left;

}

.line {

    display: flex;
    align-items: center;

    gap: 12px;

    font-size: 18px;

    color: #4f5b68;

}

.line+.line {

    margin-top: 20px;

}

button {

    margin-top: 28px;

    width: 100%;

    height: 64px;

    background: #279548;

    border: none;

    border-radius: 8px;

    font-size: 23px;

    font-weight: 600;

    color: #fff;

    cursor: pointer;

    transition: .25s;

}

button:hover {

    background: #21803d;

}

.bottom {

    display: flex;
    justify-content: center;
    gap: 18px;

    margin-top: 24px;

}

.small {

    padding: 10px 16px;

    border: 1px solid #e5e5e5;

    border-radius: 8px;

    font-size: 14px;

    color: #7a7a7a;

    background: #fff;

}

.download-btn {
    width: 100%;
    height: 64px;
    margin-top: 28px;
    border: none;
    border-radius: 8px;
    background: #279548;
    color: #fff;
    font-size: 23px;
    font-weight: 600;
    cursor: pointer;
    transition: .3s;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
}

.download-btn:hover {
    background: #21803d;
}

.loader {
    width: 22px;
    height: 22px;
    border: 3px solid rgba(255, 255, 255, .35);
    border-top-color: #fff;
    border-radius: 50%;
    display: none;
    animation: spin .8s linear infinite;
}

.download-btn.loading {
    background: #8fd19b;
}

.download-btn.loading .loader {
    display: block;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}