:root {
    --link: #2ea3f2;
    --ink: #666;
    --heading: #333;
    --max: 1080px;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: "Open Sans", Arial, sans-serif;
    color: var(--ink);
    font-size: 14px;
    line-height: 1.7;
    background: #fff;
}
a { color: var(--link); }
img { max-width: 100%; height: auto; }
.page { min-height: 100vh; display: flex; flex-direction: column; }
main { flex: 1; }
.shell { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header { background: #fff; border-bottom: 1px solid #eee; }
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 80px;
    gap: 24px;
}
.brand img { height: 64px; width: auto; display: block; }
.site-nav { display: flex; gap: 22px; }
.site-nav a {
    color: #666;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
}
.site-nav a.is-current,
.site-nav a:hover { color: var(--link); }
.nav-toggle { display: none; }
.banner { display: block; width: min(var(--max), calc(100% - 40px)); margin: 18px auto 0; }
.home-follow { width: min(var(--max), calc(100% - 40px)); margin: 28px auto 48px; }
.home-follow img { width: 280px; height: auto; }
.prose { width: min(720px, calc(100% - 40px)); margin: 36px auto 64px; }
.prose h1 { color: var(--heading); font-weight: 500; font-size: 26px; }
.form { display: grid; gap: 12px; max-width: 520px; }
.form label { font-weight: 600; color: var(--heading); }
.form input, .form textarea {
    width: 100%;
    border: 1px solid #ddd;
    padding: 10px 12px;
    font: inherit;
}
.form button, .thanks {
    background: var(--link);
    color: #fff;
    border: 0;
    padding: 10px 18px;
    font: inherit;
    font-weight: 600;
    width: fit-content;
    cursor: pointer;
}
.site-footer { background: #1f1f1f; color: #bbb; margin-top: auto; }
.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    min-height: 64px;
    flex-wrap: wrap;
}
.site-footer p { margin: 8px 0; }
.footer-links { display: flex; gap: 16px; }
.footer-links a { color: #ddd; text-decoration: none; }
.footer-links a:hover { color: #fff; }
@media (max-width: 720px) {
    .nav-toggle {
        display: inline-block;
        background: none;
        border: 1px solid #ccc;
        padding: 6px 10px;
        font: inherit;
    }
    .site-nav {
        display: none;
        position: absolute;
        left: 0; right: 0;
        top: 80px;
        background: #fff;
        flex-direction: column;
        padding: 12px 20px 16px;
        box-shadow: 0 8px 16px rgba(0,0,0,.08);
    }
    .site-header { position: relative; }
    .site-nav.is-open { display: flex; }
}