.cf23 {
position: relative;
width: 100%;
padding: 56px 32px 22px;
background: #fef9f0;
color: #2a2520;
font-family: ui-serif, Georgia, serif;
box-sizing: border-box;
}
.cf23top {
position: absolute;
top: -22px;
right: 32px;
width: 44px;
height: 44px;
border-radius: 50%;
background: #c43a32;
color: #fef9f0;
display: flex;
align-items: center;
justify-content: center;
text-decoration: none;
box-shadow: 0 6px 18px rgba(196, 58, 50, 0.35);
transition:
transform 0.2s,
box-shadow 0.2s;
cursor: pointer;
}
.cf23top:hover {
transform: translateY(-3px);
box-shadow: 0 10px 24px rgba(196, 58, 50, 0.45);
}
.cf23top span {
font:
700 22px/1 ui-sans-serif,
system-ui;
}
.cf23b {
display: grid;
grid-template-columns: 1fr 3fr;
gap: 36px;
max-width: 1200px;
margin: 0 auto 28px;
padding-bottom: 28px;
border-bottom: 1px solid rgba(42, 37, 32, 0.18);
}
.cf23brand {
min-width: 0;
}
.cf23logo {
font:
700 22px/1 ui-serif,
Georgia,
serif;
color: #2a2520;
margin-bottom: 8px;
letter-spacing: -0.01em;
}
.cf23brand p {
margin: 0;
font:
italic 14px/1.55 ui-serif,
Georgia,
serif;
color: #6b6056;
max-width: 240px;
}
.cf23cols {
display: grid;
grid-template-columns: repeat(4, 1fr);
gap: 28px;
min-width: 0;
}
.cf23col {
display: flex;
flex-direction: column;
gap: 9px;
min-width: 0;
}
.cf23col h4 {
margin: 0 0 4px;
font:
700 11px/1 ui-sans-serif,
system-ui;
letter-spacing: 0.14em;
text-transform: uppercase;
color: #c43a32;
}
.cf23col a {
position: relative;
padding-bottom: 4px;
font:
14px/1.4 ui-serif,
Georgia,
serif;
color: #2a2520;
text-decoration: none;
transition: color 0.25s;
align-self: flex-start;
}
.cf23col a::after {
content: "";
position: absolute;
left: 0;
right: 0;
bottom: 0;
height: 6px;
background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 6'%3E%3Cpath d='M0 3 Q 3 0 6 3 T 12 3 T 18 3 T 24 3' stroke='%23c43a32' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
background-repeat: repeat-x;
background-size: 12px 6px;
background-position: 0 100%;
transform-origin: left center;
transform: scaleX(0);
transition: transform 0.35s cubic-bezier(0.65, 0, 0.35, 1);
}
.cf23col a:hover {
color: #c43a32;
}
.cf23col a:hover::after {
transform: scaleX(1);
}
.cf23meta {
display: flex;
align-items: center;
justify-content: space-between;
gap: 18px;
max-width: 1200px;
margin: 0 auto;
font:
italic 12px/1.5 ui-serif,
Georgia,
serif;
color: #8a7d6f;
flex-wrap: wrap;
}
.cf23legal {
display: flex;
gap: 18px;
}
.cf23legal a {
color: #6b6056;
text-decoration: none;
transition: color 0.2s;
font-style: normal;
}
.cf23legal a:hover {
color: #c43a32;
}
@media (max-width: 880px) {
.cf23b {
grid-template-columns: 1fr;
}
.cf23cols {
grid-template-columns: 1fr 1fr;
}
}
@media (max-width: 480px) {
.cf23cols {
grid-template-columns: 1fr;
}
}
@media (prefers-reduced-motion: reduce) {
.cf23col a::after {
transition: none;
}
.cf23top {
transition: none;
}
} <footer class="cf23">
<a href="#top" class="cf23top" data-cf23-top aria-label="Back to top"><span>↑</span></a>
<div class="cf23b">
<div class="cf23brand">
<div class="cf23logo">◆ Wavelength</div>
<p>The newsletter app for thoughtful writers.</p>
</div>
<div class="cf23cols">
<div class="cf23col">
<h4>Product</h4>
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</div>
<div class="cf23col">
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<a href="#">Get started</a>
<a href="#">Migrate</a>
<a href="#">Community</a>
</div>
<div class="cf23col">
<h4>Readers</h4>
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<a href="#">Categories</a>
<a href="#">Mobile app</a>
<a href="#">Recommendations</a>
</div>
<div class="cf23col">
<h4>Company</h4>
<a href="#">About</a>
<a href="#">Careers</a>
<a href="#">Blog</a>
<a href="#">Press</a>
</div>
</div>
</div>
<div class="cf23meta">
<span>© 2026 Wavelength · Made for writers, by writers.</span>
<div class="cf23legal">
<a href="#">Privacy</a>
<a href="#">Terms</a>
<a href="#">Contact</a>
</div>
</div>
</footer> /* Hover Wave + Back-to-Top — handles only the scroll-to-top behavior;
the wave underline is pure CSS. */
(function () {
var btn = document.querySelector("[data-cf23-top]");
if (!btn) return;
btn.addEventListener("click", function (e) {
e.preventDefault();
window.scrollTo({ top: 0, behavior: "smooth" });
});
})(); Live preview Edit any tab — preview updates live Ready