Lone Medusa Section

"use client";

import { useEffect, useRef, useState } from "react";
import type { CSSProperties, ReactNode } from "react";

/**
 * LoneMedusaSection: one large jellyfish, centred low in a black void, with the
 * only light in the room coming from inside it. The bell is dark transparent
 * glass: you see the four gonad rings, the radial canals and the frilled oral
 * arms burn through the tissue, and a thin line of light along the rim. Long
 * tentacles hang from the margin and trail with real follow-through.
 *
 * HOW IT IS MADE. Hand-written WebGL2, no dependencies, one pass list a frame:
 *   1. marine snow (points), lit only by the animal and only where it is near;
 *   2. the bell, a lathe-built shell (outer and inner surface) deformed in the
 *      vertex shader by one axisymmetric pulse map (the margin sweeps in and a
 *      little down, the lappets sag and flutter). Alpha-blended, NOT additive:
 *      back faces first, then the organs and tentacles that live inside and

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}