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This reverts commit 3b53bfd2f7.
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-192
@@ -1,192 +0,0 @@
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<!doctype html>
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<!--
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drift-hold: HyperFrames video primitive (camera / ambient / hold)
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Concept: a centered content card never becomes fully static. Sub-degree
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rotation, restrained scale breathing, and a soft light sweep each follow
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one complete sine cycle across the mounted duration.
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Variables:
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- text (string, default "Always alive"): the card label.
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- intensity (whisper | standard, default "standard"): selects the
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amplitudes for rotation, breathing, and the light sweep.
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Envelope:
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IN = 0s
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HOLD = elastic = the complete mounted duration
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OUT = 0s
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HOLD owns exactly one whole cycle at every duration. The endpoint phase
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is explicitly wrapped to zero so the pose at t=0 exactly equals the pose
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at t=duration.
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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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drift-hold id.
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-->
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<html
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lang="en"
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data-composition-id="drift-hold"
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data-composition-duration="4"
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data-composition-variables='[
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{ "id": "text", "type": "string", "role": "content", "label": "Text", "description": "Text displayed in the default centered card.", "default": "Always alive" },
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{ "id": "intensity", "type": "enum", "role": "motion", "label": "Intensity", "description": "Amplitude of the ambient rotation, breathing, and light sweep.", "default": "standard", "options": [{ "value": "whisper", "label": "Whisper" }, { "value": "standard", "label": "Standard" }] }
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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>Drift Hold</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="drift-hold" 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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color: var(--fg, #f8fafc);
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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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.dh-clip {
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position: absolute;
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inset: 0;
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display: grid;
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place-items: center;
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overflow: hidden;
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}
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.dh-card {
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position: relative;
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display: grid;
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width: 68cqw;
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min-height: 44cqh;
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place-items: center;
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overflow: hidden;
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padding: var(--space-3, 5cqh) var(--space-3, 6cqw);
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border: 0.16cqmin solid color-mix(in srgb, var(--border, #475569) 82%, transparent);
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border-radius: var(--radius, 3.2cqmin);
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background: color-mix(in srgb, var(--surface, #172033) 94%, var(--accent, #38bdf8));
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box-shadow: 0 3.5cqh 10cqh color-mix(in srgb, var(--bg, #05070d) 58%, transparent);
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transform-origin: 50% 50%;
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will-change: transform;
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}
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.dh-sweep {
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position: absolute;
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top: -45%;
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left: 42%;
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width: 20cqw;
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height: 190%;
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background: linear-gradient(
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90deg,
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transparent 0%,
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color-mix(in srgb, var(--accent, #38bdf8) 10%, transparent) 25%,
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color-mix(in srgb, var(--fg, #f8fafc) 28%, transparent) 50%,
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color-mix(in srgb, var(--accent, #38bdf8) 10%, transparent) 75%,
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transparent 100%
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);
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filter: blur(1.8cqmin);
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will-change: transform, opacity;
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}
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.dh-label {
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position: relative;
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z-index: 1;
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max-width: 56cqw;
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overflow: hidden;
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color: var(--fg, #f8fafc);
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font-family: var(--font-display, Inter, system-ui, sans-serif);
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font-size: clamp(20px, 9cqmin, 76px);
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font-weight: 720;
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line-height: 1.05;
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letter-spacing: -0.035em;
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text-align: center;
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text-overflow: ellipsis;
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white-space: nowrap;
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}
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</style>
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<div
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id="drift-hold-clip"
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class="dh-clip 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="dh-card">
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<div class="dh-sweep" aria-hidden="true"></div>
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<div class="dh-label"></div>
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</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 card = root.querySelector(".dh-card");
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var sweep = root.querySelector(".dh-sweep");
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var label = root.querySelector(".dh-label");
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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 text = vars.text == null ? "Always alive" : String(vars.text);
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var intensity = vars.intensity === "whisper" ? "whisper" : "standard";
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var amplitudes = {
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whisper: { rotation: 0.24, scale: 0.006, sweep: 30, light: 0.04 },
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standard: { rotation: 0.6, scale: 0.015, sweep: 42, light: 0.08 },
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};
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var motion = amplitudes[intensity];
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label.textContent = text;
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var TAU = Math.PI * 2;
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var duration = Math.max(0.001, parseFloat(root.dataset.duration || "4"));
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var state = { phase: 0 };
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function renderPose() {
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// Literal phase zero at the endpoint removes floating point
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// residue from Math.sin(2 * PI) and makes the seam exact.
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var phase = state.phase === TAU ? 0 : state.phase;
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var rotation = Math.sin(phase + Math.PI / 6) * motion.rotation;
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var scale = 1 + Math.sin(phase + Math.PI / 2) * motion.scale;
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var sweepX = Math.sin(phase - Math.PI / 2) * motion.sweep;
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var sweepOpacity = 0.12 + Math.sin(phase + Math.PI / 3) * motion.light;
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gsap.set(card, { rotation: rotation, scale: scale });
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gsap.set(sweep, {
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x: sweepX + "cqw",
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rotation: 14,
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opacity: sweepOpacity,
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});
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}
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var tl = gsap.timeline({ paused: true });
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// HOLD: uniform phase travel drives only whole-cycle sine motion.
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tl.to(state, { phase: TAU, duration: duration, ease: "none", onUpdate: renderPose }, 0);
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renderPose();
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tl.seek(0);
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window.__timelines = window.__timelines || {};
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window.__timelines["drift-hold"] = 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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