/**
 * Hero neobrutalista: titular enorme en mayúsculas, un bloque de color inclinado, un sello giratorio y una cinta negra que se desplaza.
 * Sombras duras, bordes gruesos y colores planos. Solo CSS.
 *
 *   <BrutalistHero
 *     lines={["Hacemos", "webs que", "se notan."]}
 *     description="Estudio de diseño y desarrollo sin plantillas."
 *     primary={{ label: "Hablemos", href: "/contacto" }}
 *     ribbon={["Diseño", "Código", "Marca", "Producto"]}
 *   />
 */

import type { CSSProperties } from "react";

type Cta = { label: string; href: string };

export type BrutalistHeroProps = {
  /** Tres líneas del titular; la última va dentro del bloque de color. */
  lines?: [string, string, string];
  description?: string;
  primary?: Cta;
  secondary?: Cta;
  /** Texto del sello giratorio (se repite alrededor del círculo). */
  stamp?: string;
  /** Palabras de la cinta inferior. */
  ribbon?: string[];
  className?: string;
  style?: CSSProperties;
};

const CSS = `
.gchb-root { --gchb-ink: #111; position: relative; display: grid; grid-template-rows: 1fr auto; box-sizing: border-box; min-height: 640px; overflow: hidden; background: #ffd23f; color: var(--gchb-ink); font-family: inherit; }
.gchb-main { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 32px; align-items: center; padding: clamp(28px, 5vw, 64px) clamp(20px, 5vw, 72px) clamp(40px, 6vw, 80px); }
.gchb-title { margin: 0; font-size: clamp(44px, 9vw, 132px); font-weight: 900; line-height: .9; letter-spacing: -.045em; text-transform: uppercase; }
.gchb-title span { display: block; }
.gchb-title mark { display: inline-block; margin-top: .06em; padding: .02em .16em .06em; border: .045em solid var(--gchb-ink); background: #ff7ab8; color: inherit; box-shadow: .06em .06em 0 var(--gchb-ink); transform: rotate(-2deg); transition: transform .3s cubic-bezier(.34, 1.7, .5, 1); }
.gchb-title mark:hover { transform: rotate(1deg) scale(1.03); }
.gchb-copy { max-width: 36ch; margin: clamp(22px, 3vw, 36px) 0 0; font-size: clamp(17px, 1.6vw, 22px); font-weight: 600; line-height: 1.45; }
.gchb-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 30px; }
.gchb-btn { display: inline-flex; align-items: center; min-height: 56px; padding: 0 28px; border: 3px solid var(--gchb-ink); border-radius: 12px; background: #fff; color: var(--gchb-ink); font-size: 17px; font-weight: 900; text-decoration: none; text-transform: uppercase; box-shadow: 6px 6px 0 var(--gchb-ink); transition: transform .12s ease-out, box-shadow .12s ease-out; }
.gchb-btn[data-kind="primary"] { background: #5eead4; }
.gchb-btn:hover { transform: translate(-2px, -2px); box-shadow: 8px 8px 0 var(--gchb-ink); }
.gchb-btn:active { transform: translate(6px, 6px); box-shadow: 0 0 0 var(--gchb-ink); }
.gchb-btn:focus-visible { outline: 3px solid var(--gchb-ink); outline-offset: 5px; }
.gchb-stamp { position: relative; width: clamp(150px, 20vw, 270px); aspect-ratio: 1; border: 3px solid var(--gchb-ink); border-radius: 50%; background: #fff; box-shadow: 8px 8px 0 var(--gchb-ink); }
.gchb-stamp svg { position: absolute; inset: 0; width: 100%; height: 100%; animation: gchb-spin 16s linear infinite; }
.gchb-stamp text { fill: var(--gchb-ink); font-size: 11.5px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.gchb-stamp i { position: absolute; inset: 31%; border: 3px solid var(--gchb-ink); border-radius: 50%; background: #7cc4ff; }
.gchb-stamp i::before, .gchb-stamp i::after { content: ""; position: absolute; top: 50%; left: 50%; width: 46%; height: 3px; background: var(--gchb-ink); transform: translate(-50%, -50%) rotate(45deg); }
.gchb-stamp i::after { transform: translate(-50%, -50%) rotate(-45deg); }
.gchb-ribbon { position: relative; display: flex; overflow: hidden; border-block: 3px solid var(--gchb-ink); background: var(--gchb-ink); color: #ffd23f; transform: rotate(-1.4deg) scale(1.03); transform-origin: 0 100%; }
.gchb-run { display: flex; flex: none; align-items: center; gap: 28px; padding: 14px 28px 14px 0; font-size: clamp(18px, 2vw, 26px); font-weight: 900; text-transform: uppercase; white-space: nowrap; animation: gchb-run 22s linear infinite; }
.gchb-run i { width: 14px; height: 14px; background: #ff7ab8; transform: rotate(45deg); }
@keyframes gchb-spin { to { transform: rotate(360deg); } }
@keyframes gchb-run { to { transform: translateX(-100%); } }
@media (max-width: 760px) { .gchb-main { grid-template-columns: 1fr; } .gchb-stamp { justify-self: start; } }
@media (prefers-reduced-motion: reduce) { .gchb-stamp svg, .gchb-run { animation: none; } .gchb-run[aria-hidden="true"] { display: none; } }
`;

export function BrutalistHero({
  lines = ["Hacemos", "webs que", "se notan."],
  description = "Estudio de diseño y desarrollo sin plantillas, con un solo objetivo: que tu proyecto no se confunda con otro.",
  primary = { label: "Hablemos", href: "#contacto" },
  secondary = { label: "Ver trabajos", href: "#trabajos" },
  stamp = "Hecho a mano · Sin plantillas ·",
  ribbon = ["Diseño", "Código", "Marca", "Producto", "Webs"],
  className,
  style,
}: BrutalistHeroProps) {
  const ribbonItems = ribbon.flatMap((word) => [<span key={word}>{word}</span>, <i key={`${word}-dot`} />]);

  return (
    <>
      <style>{CSS}</style>
      <section className={["gchb-root", className].filter(Boolean).join(" ")} style={style}>
        <div className="gchb-main">
          <div>
            <h1 className="gchb-title"><span>{lines[0]}</span><span>{lines[1]}</span><span><mark>{lines[2]}</mark></span></h1>
            <p className="gchb-copy">{description}</p>
            <div className="gchb-actions">
              <a className="gchb-btn" data-kind="primary" href={primary.href}>{primary.label}</a>
              <a className="gchb-btn" href={secondary.href}>{secondary.label}</a>
            </div>
          </div>
          <div className="gchb-stamp" aria-hidden="true">
            <svg viewBox="0 0 200 200"><defs><path id="gchb-circle" d="M100 100 m-78 0 a78 78 0 1 1 156 0 a78 78 0 1 1 -156 0" /></defs><text><textPath href="#gchb-circle">{`${stamp} ${stamp}`}</textPath></text></svg>
            <i />
          </div>
        </div>
        <div className="gchb-ribbon" aria-hidden="true">
          <div className="gchb-run">{ribbonItems}</div>
          <div className="gchb-run" aria-hidden="true">{ribbonItems}</div>
        </div>
      </section>
    </>
  );
}

npx shadcn@latest add https://www.gassierconsulting.com/r/hero-brutalista

import { BrutalistHero } from "./brutalist-hero";

export default function Ejemplo() {
  return <BrutalistHero description="Ejemplo" />;
}