mirror of
https://github.com/heygen-com/hyperframes.git
synced 2026-09-01 19:42:03 +00:00
Miguel Ángel
9734578e60
Restores the 208 catalog items reverted after their previews 404'd in production, this time on the payload mechanism rather than the .html files that caused the outage. The generator no longer writes a preview document to docs/public. That writer, and the machinery under it, existed only to produce files the docs host discards, so it is gone rather than bypassed. Items now embed the composition itself via a payload, which is what the previous change already does for the items that were already in the catalog. The variables explorer is parked, not restored: it drove its preview through the same unpublished .html path, so it would have shown an empty frame. Items that declare variables get the live player plus the static variables table, and reconnecting the explorer to payloads is a follow-up.
398 lines
16 KiB
HTML
Vendored
398 lines
16 KiB
HTML
Vendored
<!doctype html>
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<!--
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scroll-feed: HyperFrames video primitive (effects / agitation / loop)
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Concept: a self-scrolling column of skeleton post cards recycles without
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a visible seam. The default register is a doomscroll: distinct thumb
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flicks (fast start, power3 decay to a settle) with a read pause between
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them, one flick per card. Two low-opacity copies trail the main column to
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suggest motion blur while deterministic index math varies every card.
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Variables:
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- speed (doom | frantic, default doom): changes the card pitch, so the
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column covers more distance during the same duration in frantic mode.
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- card_count (number, 4 to 10, default 6): cards in one repeated cycle.
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- cues (string, default ""): comma-separated seconds (from mount start);
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each cue advances the feed by exactly one card pitch (stepped rhythm).
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Empty synthesizes evenly spaced flicks, one per card, that still cover
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exactly one full cycle.
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- exit (none | fade | up, default "none"): optional departure over a
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short reserved tail.
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Envelope: IN = 0s, HOLD = D minus any exit tail, OUT = 0s or the exit
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tail. HOLD owns the complete scroll and is the only elastic phase. A
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longer mount stretches HOLD directly, never through timeScale. With no
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cues and exit none, zero-length IN and OUT keep the first and final
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frames loop-compatible and each column moves exactly one complete card
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cycle. Cues or an enabled exit trade that loop guarantee for the cue
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rhythm or the departure.
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Determinism: cards are created synchronously. Their dimensions vary only
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through index arithmetic. No clocks, random values, timers, or CSS
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animations participate in rendering.
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Mount contract: the runtime clones only this template. #root fills the
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host box, establishes the container query basis, has no data-width or
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data-height, and registers one paused timeline under the hardcoded
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scroll-feed id.
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-->
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<html
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lang="en"
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data-composition-id="scroll-feed"
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data-composition-duration="4"
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data-composition-variables='[
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{ "id": "speed", "type": "enum", "role": "timing", "label": "Scroll speed", "description": "Pace of the upward feed movement.", "default": "doom", "options": [{ "value": "doom", "label": "Doom" }, { "value": "frantic", "label": "Frantic" }] },
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{ "id": "card_count", "type": "number", "role": "content", "label": "Card count", "description": "Number of skeleton posts in one repeated feed cycle.", "default": 6, "min": 4, "max": 10, "step": 1 },
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{ "id": "cues", "type": "string", "role": "timing", "label": "Cues", "description": "Comma-separated seconds (from mount start); each cue advances the feed by one card. Empty synthesizes evenly spaced flicks, one per card.", "default": "" },
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{ "id": "exit", "type": "enum", "role": "timing", "label": "Exit", "description": "Optional departure. Default none: the feed scrolls until the frame cuts.", "default": "none", "options": [{ "value": "none", "label": "None" }, { "value": "fade", "label": "Fade" }, { "value": "up", "label": "Up" }] }
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]'
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>
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<head>
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<meta charset="UTF-8" />
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<title>Scroll Feed</title>
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</head>
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<body>
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<template>
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<div id="root" data-composition-id="scroll-feed" data-duration="4" data-fps="30">
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<style>
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*,
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*::before,
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*::after {
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box-sizing: border-box;
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}
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#root {
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position: absolute;
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inset: 0;
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overflow: hidden;
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container-type: size;
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isolation: isolate;
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background: linear-gradient(180deg, var(--bg, #171b23) 0%, var(--bg, #0f1218) 100%);
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color: var(--fg, #d8dee9);
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font-family: var(--font-body, Inter, system-ui, sans-serif);
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pointer-events: none;
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}
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.sf-viewport {
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position: absolute;
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inset: 0;
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overflow: hidden;
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/* Soft fade at both feed edges so cards never clip hard mid-media. */
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mask-image: linear-gradient(
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180deg,
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transparent 0,
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#000 7cqh,
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#000 calc(100% - 7cqh),
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transparent 100%
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);
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}
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.sf-column {
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position: absolute;
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top: -20cqh;
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left: 12cqw;
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width: 76cqw;
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will-change: transform;
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}
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.sf-cycle {
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display: flex;
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flex-direction: column;
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}
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.sf-card {
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flex: 0 0 var(--sf-card-h);
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width: 76cqw;
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height: var(--sf-card-h);
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margin-bottom: var(--sf-gap);
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padding: var(--space-2, 2.3cqh) var(--space-2, 2.4cqw);
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overflow: hidden;
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border: 0.12cqw solid var(--border, rgba(160, 174, 192, 0.2));
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border-radius: var(--radius, 2.2cqw);
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/* Second stop derives from --surface so the gradient survives a
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host theme instead of collapsing to a flat fill. */
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background: linear-gradient(
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145deg,
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var(--surface, #29303b) 0%,
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color-mix(in srgb, var(--surface, #29303b) 76%, var(--bg, #0f1218)) 100%
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);
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box-shadow: 0 1.8cqh 4cqh rgba(0, 0, 0, 0.28);
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}
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.sf-card-header {
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display: flex;
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align-items: center;
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gap: var(--space-1, 1.4cqw);
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height: 4.4cqh;
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margin-bottom: var(--space-1, 1.5cqh);
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}
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.sf-avatar {
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flex: 0 0 auto;
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width: var(--sf-avatar);
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height: var(--sf-avatar);
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border-radius: 50%;
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background: var(--muted, #758094);
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}
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.sf-identity {
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display: flex;
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flex: 1 1 auto;
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min-width: 0;
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flex-direction: column;
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gap: var(--space-1, 0.65cqh);
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}
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.sf-line,
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.sf-meta,
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.sf-action {
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display: block;
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border-radius: 99cqw;
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}
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.sf-line {
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height: 0.85cqh;
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background: var(--muted, #7d8798);
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}
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.sf-line-primary {
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width: var(--sf-primary-w);
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}
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.sf-line-secondary {
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width: var(--sf-secondary-w);
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opacity: 0.62;
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}
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.sf-meta {
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flex: 0 0 auto;
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width: var(--sf-meta-w);
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height: 0.75cqh;
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background: var(--muted, #667184);
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opacity: 0.72;
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}
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.sf-media {
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position: relative;
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height: calc(var(--sf-card-h) - 12.2cqh);
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min-height: 6cqh;
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overflow: hidden;
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border-radius: var(--radius, 1.4cqw);
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/* The media block gets its own derivation (lifted toward --fg)
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so card and media stay distinct under any --surface. */
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background: linear-gradient(
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135deg,
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color-mix(in srgb, var(--surface, #29303b) 88%, var(--fg, #d8dee9)) 0%,
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color-mix(in srgb, var(--surface, #29303b) 90%, var(--bg, #0f1218)) 100%
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);
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}
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.sf-media::before {
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position: absolute;
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top: var(--sf-media-y);
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left: var(--sf-media-x);
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width: 18cqw;
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height: 18cqw;
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border-radius: 50%;
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background: var(--muted, rgba(130, 143, 160, 0.16));
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content: "";
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}
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.sf-card-footer {
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display: flex;
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align-items: center;
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gap: var(--space-2, 2.4cqw);
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height: 2cqh;
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margin-top: var(--space-1, 1.35cqh);
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}
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.sf-action {
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width: var(--sf-action-w);
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height: 0.8cqh;
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background: var(--muted, #717c8e);
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opacity: 0.72;
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}
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.sf-blur {
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z-index: 0;
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opacity: 0.1;
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filter: blur(0.28cqh);
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}
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.sf-blur-a {
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top: -19.2cqh;
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left: 11.55cqw;
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}
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.sf-blur-b {
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top: -20.8cqh;
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left: 12.45cqw;
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}
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.sf-main {
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z-index: 1;
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}
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</style>
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<div
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id="scroll-feed-clip"
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class="sf-viewport clip"
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data-start="0"
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data-duration="4"
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data-track-index="0"
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>
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<div class="sf-column sf-blur sf-blur-a" aria-hidden="true"></div>
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<div class="sf-column sf-blur sf-blur-b" aria-hidden="true"></div>
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<div class="sf-column sf-main" aria-hidden="true"></div>
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</div>
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<script src="https://cdn.jsdelivr.net/npm/gsap@3.14.2/dist/gsap.min.js"></script>
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<script>
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(function () {
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"use strict";
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var root = document.getElementById("root");
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var mainColumn = root.querySelector(".sf-main");
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var blurA = root.querySelector(".sf-blur-a");
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var blurB = root.querySelector(".sf-blur-b");
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var columns = root.querySelectorAll(".sf-column");
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var vars =
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window.__hyperframes && window.__hyperframes.getVariables
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? window.__hyperframes.getVariables()
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: {};
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var speed = vars.speed === "frantic" ? "frantic" : "doom";
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var countValue = Number(vars.card_count);
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var cardCount = Number.isFinite(countValue)
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? Math.max(4, Math.min(10, Math.round(countValue)))
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: 6;
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var exit = vars.exit === "fade" || vars.exit === "up" ? vars.exit : "none";
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var cuesValue = vars.cues == null ? "" : String(vars.cues);
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var cues = cuesValue
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.split(",")
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.reduce(function (result, token) {
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var trimmed = token.trim();
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if (trimmed === "") return result;
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var seconds = Number(trimmed);
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if (!Number.isFinite(seconds) || seconds < 0) return result;
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result.push(seconds);
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return result;
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}, [])
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.sort(function (a, b) {
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return a - b;
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});
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// Frantic mode travels farther in the same HOLD while still
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// completing exactly one full cycle at the final frame.
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var cardHeight = speed === "frantic" ? 32 : 24;
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var gap = speed === "frantic" ? 4 : 3;
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var cycleDistance = cardCount * (cardHeight + gap);
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root.style.setProperty("--sf-card-h", cardHeight + "cqh");
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root.style.setProperty("--sf-gap", gap + "cqh");
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var cycle = document.createElement("div");
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cycle.className = "sf-cycle";
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for (var index = 0; index < cardCount; index += 1) {
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var card = document.createElement("article");
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card.className = "sf-card";
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card.style.setProperty("--sf-avatar", 3.2 + (index % 3) * 0.45 + "cqh");
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card.style.setProperty("--sf-primary-w", 18 + ((index * 11) % 24) + "cqw");
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card.style.setProperty("--sf-secondary-w", 12 + ((index * 7) % 19) + "cqw");
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card.style.setProperty("--sf-meta-w", 7 + ((index * 5) % 9) + "cqw");
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card.style.setProperty("--sf-media-x", 5 + ((index * 17) % 48) + "cqw");
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card.style.setProperty("--sf-media-y", -8 + ((index * 13) % 10) + "cqh");
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card.style.setProperty("--sf-action-w", 7 + ((index * 3) % 8) + "cqw");
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card.innerHTML =
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'<header class="sf-card-header"><span class="sf-avatar"></span><span class="sf-identity"><span class="sf-line sf-line-primary"></span><span class="sf-line sf-line-secondary"></span></span><span class="sf-meta"></span></header><div class="sf-media"></div><footer class="sf-card-footer"><span class="sf-action"></span><span class="sf-action"></span><span class="sf-action"></span></footer>';
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cycle.appendChild(card);
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}
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// Three identical cycles keep the viewport covered before, during,
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// and after the exact one-cycle translation. The blur trails clone
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// this single deterministic source instead of recomputing cards.
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mainColumn.appendChild(cycle);
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mainColumn.appendChild(cycle.cloneNode(true));
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mainColumn.appendChild(cycle.cloneNode(true));
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blurA.innerHTML = mainColumn.innerHTML;
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blurB.innerHTML = mainColumn.innerHTML;
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// IN stays zero. Exit none keeps OUT at zero for a clean loop;
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// an enabled exit reserves a short tail after the scroll.
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var duration = Math.max(0.001, parseFloat(root.dataset.duration || "4"));
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var EXIT = exit === "none" ? 0 : Math.min(0.4, duration * 0.15);
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var SCROLL_END = Math.max(0.001, duration - EXIT);
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var finalY = -cycleDistance;
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var tl = gsap.timeline({ paused: true });
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// Stepped rhythm: each step advances the feed by exactly one
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// card pitch (thumb flick: fast start, power3 decay, settle).
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// Three stacked cycles keep the viewport covered through two
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// full cycles of steps. Without cues the default doomscroll
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// synthesizes one evenly spaced flick per card, so the column
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// still travels exactly one full cycle by SCROLL_END and the
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// first and final frames stay loop-compatible.
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var pitch = cardHeight + gap;
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var steps = [];
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var autoFlick = cues.length === 0;
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if (autoFlick) {
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for (var step = 0; step < cardCount; step += 1) {
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steps.push((SCROLL_END / cardCount) * step);
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}
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} else {
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cues.forEach(function (cueAt) {
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if (steps.length >= cardCount * 2) return;
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var at = Math.min(SCROLL_END, cueAt);
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if (steps.length === 0 || at > steps[steps.length - 1] + 0.01) {
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steps.push(at);
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}
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});
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}
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finalY = -pitch * steps.length;
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steps.forEach(function (cueAt, index) {
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var next = index + 1 < steps.length ? steps[index + 1] : SCROLL_END;
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// Auto flicks keep a longer rest so each card gets a read;
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// explicit cues keep the documented cue-mode timing.
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var stepDuration = autoFlick
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? Math.max(0.05, Math.min(0.45, (next - cueAt) * 0.6))
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: Math.max(0.05, Math.min(0.5, (next - cueAt) * 0.8, duration - cueAt));
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var target = { y: -pitch * (index + 1) + "cqh" };
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if (index === 0) {
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tl.fromTo(
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columns,
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{ y: "0cqh" },
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{
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y: target.y,
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duration: stepDuration,
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ease: "power3.out",
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},
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cueAt,
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);
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} else {
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tl.to(columns, { y: target.y, duration: stepDuration, ease: "power3.out" }, cueAt);
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}
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});
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// Optional departure; exit none scrolls until the frame cuts.
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if (exit === "fade") {
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tl.to(columns, { opacity: 0, duration: EXIT, ease: "power2.in" }, SCROLL_END);
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} else if (exit === "up") {
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tl.to(columns, { opacity: 0, duration: EXIT, ease: "power2.in" }, SCROLL_END);
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tl.to(
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columns,
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{ y: finalY - 10 + "cqh", duration: EXIT, ease: "power2.in" },
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SCROLL_END,
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);
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}
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tl.seek(0);
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window.__timelines = window.__timelines || {};
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window.__timelines["scroll-feed"] = tl;
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})();
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</script>
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</div>
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</template>
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</body>
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</html>
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