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Replace Docs home Rive animation with HTML/CSS #6564

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Replace Docs home Rive animation with HTML/CSS #6564

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369 changes: 369 additions & 0 deletions fern/assets/styles.css
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Original file line number Diff line number Diff line change
Expand Up @@ -1037,6 +1037,375 @@ h1, h2, h3 {
min-height: 213px;
}

/*** START -- DOCS HTML/CSS ANIMATION (replaces docs Rive) ***/
/* Coordinate space mirrors the original 404x262 Rive artboard.
1em == 1 artboard unit, scaled fluidly to the container width. */
.docs-mockup-link {
display: block;
cursor: pointer;
text-decoration: none;
pointer-events: auto;
}

.docs-rive {
position: relative;
width: 100%;
aspect-ratio: 404 / 262;
container-type: inline-size;
overflow: hidden;
}

.docs-mockup {
position: absolute;
inset: 0;
font-size: calc(100cqw / 404); /* 1em == 1 artboard unit */
line-height: 0;
color: transparent;
--dm-line: rgba(0, 0, 0, 0.3);
--dm-fill: rgba(0, 0, 0, 0.05);
--dm-fill-soft: rgba(0, 0, 0, 0.035);
--dm-border: rgba(0, 0, 0, 0.12);
--dm-icon: rgba(0, 0, 0, 0.28);
}

.dark .docs-mockup {
--dm-line: rgba(255, 255, 255, 0.34);
--dm-fill: rgba(255, 255, 255, 0.08);
--dm-fill-soft: rgba(255, 255, 255, 0.05);
--dm-border: rgba(255, 255, 255, 0.16);
--dm-icon: rgba(255, 255, 255, 0.32);
}

.docs-mockup .dm-line {
position: absolute;
height: 1.46em;
border-radius: 0.73em;
background: var(--dm-line);
}

/* Top bar */
.dm-brand {
position: absolute;
left: 13em;
top: 6.5em;
display: flex;
align-items: center;
gap: 3.2em;
}
.dm-logo {
width: 9em;
height: 9em;
border-radius: 50%;
background: radial-gradient(circle at 50% 45%, var(--dm-icon) 0 22%, transparent 26%),
conic-gradient(from 0deg, var(--dm-icon) 0 10%, transparent 10% 25%,
var(--dm-icon) 25% 35%, transparent 35% 50%,
var(--dm-icon) 50% 60%, transparent 60% 75%,
var(--dm-icon) 75% 85%, transparent 85% 100%);
opacity: 0.75;
}
.dm-brand-text {
font-size: 8.4em;
line-height: 1;
font-weight: 600;
letter-spacing: -0.02em;
color: var(--dm-line);
}

.dm-search {
position: absolute;
left: 105.2em;
top: 3.75em;
width: 162.2em;
height: 17.7em;
border-radius: 3.2em;
background: var(--dm-fill);
border: 0.6em solid var(--dm-border);
display: flex;
align-items: center;
gap: 4em;
padding-left: 8em;
box-sizing: border-box;
}
.dm-search-icon {
width: 5.4em;
height: 5.4em;
border-radius: 50%;
border: 1.1em solid var(--dm-icon);
position: relative;
flex: none;
}
.dm-search-icon::after {
content: "";
position: absolute;
right: -2.2em;
bottom: -1.4em;
width: 2.6em;
height: 1.1em;
border-radius: 1em;
background: var(--dm-icon);
transform: rotate(45deg);
}
.dm-search-text {
font-size: 8.4em;
line-height: 1;
color: var(--dm-line);
}

.dm-topbar-right {
position: absolute;
left: 302.7em;
top: 6.3em;
width: 96em;
height: 12.5em;
}
.dm-nav-dash {
top: 5.6em;
}
.dm-topbar-right .dm-nav-dash:nth-child(1) { left: 0; width: 17.5em; }
.dm-topbar-right .dm-nav-dash:nth-child(2) { left: 27.1em; width: 17.5em; }
.dm-btn {
position: absolute;
left: 52.9em;
top: 0;
width: 23.5em;
height: 12.5em;
border-radius: 3em;
border: 0.6em solid var(--dm-border);
box-sizing: border-box;
display: flex;
align-items: center;
justify-content: center;
}
.dm-btn-dash {
position: static;
width: 17.5em;
}
.dm-toggle {
position: absolute;
left: 87em;
top: 2.5em;
width: 7.5em;
height: 7.5em;
border-radius: 50%;
border: 1em solid var(--dm-icon);
box-shadow:
0 -5em 0 -3.6em var(--dm-icon), 0 5em 0 -3.6em var(--dm-icon),
-5em 0 0 -3.6em var(--dm-icon), 5em 0 0 -3.6em var(--dm-icon),
-3.5em -3.5em 0 -3.6em var(--dm-icon), 3.5em -3.5em 0 -3.6em var(--dm-icon),
-3.5em 3.5em 0 -3.6em var(--dm-icon), 3.5em 3.5em 0 -3.6em var(--dm-icon);
}

/* Dividers */
.dm-divider-h {
position: absolute;
left: 0;
top: 42.4em;
width: 100%;
height: 0.4em;
background: var(--dm-border);
}
.dm-divider-v {
position: absolute;
left: 119.8em;
top: 42.4em;
width: 0.4em;
height: 216.7em;
background: var(--dm-border);
}

/* Tabs */
.dm-tabs {
position: absolute;
left: 17.2em;
top: 32.8em;
width: 110em;
height: 9.6em;
}
.dm-tab {
top: 0;
width: 17.5em;
}
.dm-tabs .dm-tab:nth-child(1) { left: 0; }
.dm-tabs .dm-tab:nth-child(2) { left: 27.1em; }
.dm-tabs .dm-tab:nth-child(3) { left: 54.3em; }
.dm-tabs .dm-tab:nth-child(4) { left: 84.6em; }
.dm-tab-active::after {
content: "";
position: absolute;
left: -3em;
top: 8.5em;
width: 23.5em;
height: 1.1em;
border-radius: 1em;
background: var(--dm-line);
}

/* Sidebar */
.dm-side-label { left: 10.7em; width: 17.5em; }
.dm-side-label-1 { top: 53.7em; }
.dm-side-label-2 { top: 130.9em; }

.dm-nav-row {
position: absolute;
left: 5.9em;
width: 109em;
height: 14.5em;
display: flex;
align-items: center;
gap: 6.2em;
padding-left: 8.4em;
box-sizing: border-box;
border-radius: 3.2em;
}
.dm-nav-1 { top: 61.7em; }
.dm-nav-2 { top: 76.2em; }
.dm-nav-3 { top: 90.7em; }
.dm-nav-4 { top: 105.2em; }
.dm-nav-active { background: var(--dm-fill-soft); }
.dm-nav-row .dm-nav-text { position: static; width: 17.5em; }
.dm-icon {
width: 8em;
height: 8em;
border-radius: 1.6em;
background: var(--dm-icon);
opacity: 0.55;
flex: none;
}
.dm-icon-accent {
background: #6366f1;
opacity: 0.7;
}
.dm-icon-dots {
background: transparent;
border-radius: 0;
opacity: 1;
background-image: radial-gradient(var(--dm-icon) 40%, transparent 45%);
background-size: 3em 3em;
background-repeat: repeat-x;
background-position: 0 center;
width: 8em;
height: 3em;
}

.dm-expand {
position: absolute;
left: 10.7em;
top: 143.5em;
width: 104em;
height: 6em;
display: flex;
align-items: center;
}
.dm-expand .dm-nav-text { position: static; width: 17.5em; }
.dm-chevron {
width: 3.2em;
height: 3.2em;
border-right: 1em solid var(--dm-icon);
border-bottom: 1em solid var(--dm-icon);
transform: rotate(45deg);
margin-left: 12em;
margin-top: -1.6em;
}

.dm-method {
position: absolute;
left: 10.7em;
height: 6.4em;
display: flex;
align-items: center;
gap: 4.4em;
}
.dm-method-1 { top: 157.5em; }
.dm-method-2 { top: 172em; }
.dm-method-3 { top: 186.5em; }
.dm-method-4 { top: 201em; }
.dm-method .dm-nav-text { position: static; width: 17.5em; }
.dm-badge {
font-size: 3.6em;
line-height: 1;
font-weight: 600;
letter-spacing: 0.02em;
padding: 0.7em 1.1em;
border-radius: 0.6em;
flex: none;
opacity: 0.7;
}
.dm-get { color: #3b82f6; background: rgba(59, 130, 246, 0.14); }
.dm-post { color: #10b981; background: rgba(16, 185, 129, 0.14); }
.dark .dm-get { color: #93b4fb; }
.dark .dm-post { color: #6ee7b7; }

/* Content */
.dm-title { left: 134.3em; top: 56.9em; width: 58.2em; }
.dm-hero {
position: absolute;
left: 134.3em;
top: 72.8em;
width: 217.7em;
height: 72.8em;
border-radius: 2.9em;
overflow: hidden;
}
.dm-hero-img {
width: 100%;
height: 100%;
object-fit: cover;
object-position: center 65%;
display: block;
margin: 0;
}
.dm-hero::after {
content: "";
position: absolute;
inset: 0;
background: rgba(255, 255, 255, 0.5);
}
.dark .dm-hero::after { background: rgba(10, 10, 12, 0.42); }
.dm-para { left: 134.3em; }
.dm-para-1 { top: 160.1em; width: 95.4em; }
.dm-para-2 { top: 167.6em; width: 160.2em; }
.dm-para-3 { top: 175.1em; width: 89.6em; }

/* Build-in animation (mirrors the Rive intro's staggered fade + rise) */
@keyframes dm-in {
from { opacity: 0; transform: translateY(6em); }
to { opacity: 1; transform: translateY(0); }
}
.docs-mockup .dm-anim {
opacity: 0;
animation: dm-in 0.5s cubic-bezier(0.22, 0.7, 0.28, 1) both;
}
.dm-brand { animation-delay: 0.02s; }
.dm-search { animation-delay: 0.1s; }
.dm-topbar-right { animation-delay: 0.16s; }
.dm-divider-h { animation-delay: 0.2s; }
.dm-divider-v { animation-delay: 0.2s; }
.dm-tabs { animation-delay: 0.22s; }
.dm-side-label-1 { animation-delay: 0.26s; }
.dm-nav-1 { animation-delay: 0.3s; }
.dm-nav-2 { animation-delay: 0.34s; }
.dm-nav-3 { animation-delay: 0.38s; }
.dm-nav-4 { animation-delay: 0.42s; }
.dm-side-label-2 { animation-delay: 0.44s; }
.dm-expand { animation-delay: 0.47s; }
.dm-method-1 { animation-delay: 0.5s; }
.dm-method-2 { animation-delay: 0.54s; }
.dm-method-3 { animation-delay: 0.58s; }
.dm-method-4 { animation-delay: 0.62s; }
.dm-title { animation-delay: 0.34s; }
.dm-hero { animation-delay: 0.46s; }
.dm-para-1 { animation-delay: 0.62s; }
.dm-para-2 { animation-delay: 0.68s; }
.dm-para-3 { animation-delay: 0.74s; }

@media (prefers-reduced-motion: reduce) {
.docs-mockup .dm-anim {
opacity: 1;
animation: none;
}
}
/*** END -- DOCS HTML/CSS ANIMATION ***/

.ask-fern-rive {
min-height: 114px;
}
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