// MEGALIS — Footer with giant wordmark, legal, back-to-top

const footerStyles = `
  .footer {
    background: var(--bg);
    color: var(--fg);
    padding: 64px var(--pad) 24px;
    border-bottom: 1px solid var(--line);
  }
  .footer-top {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--line);
  }
  .footer-top .cta {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(40px, 6vw, 96px);
    letter-spacing: -0.04em;
    line-height: 0.95;
    margin: 0;
    max-width: 18ch;
  }
  body[data-lang="ja"] .footer-top .cta {
    font-family: var(--font-jp);
    font-weight: 700;
    font-size: clamp(32px, 4.8vw, 72px);
    letter-spacing: -0.02em;
    line-height: 1.1;
  }
  .footer-top .cta a {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 2px solid var(--accent);
  }
  .footer-top .cta a:hover { color: var(--fg); border-color: var(--fg); }
  .back-to-top {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--fg-2);
    border: 1px solid var(--line);
    padding: 14px 20px;
    transition: all 0.25s var(--easing);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
  }
  .back-to-top:hover { color: var(--fg); border-color: var(--fg); }

  .footer-mid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 32px;
    padding: 48px 0;
    border-bottom: 1px solid var(--line);
  }
  .footer-col h4 {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--fg-3);
    margin: 0 0 18px;
    font-weight: 500;
  }
  body[data-lang="ja"] .footer-col h4 {
    font-family: var(--font-jp);
    letter-spacing: 0.08em;
    text-transform: none;
    font-size: 12px;
  }
  body[data-lang="ja"] .footer-col a,
  body[data-lang="ja"] .footer-col p {
    font-family: var(--font-jp);
    line-height: 1.7;
  }
  .footer-col a, .footer-col p {
    display: block;
    font-family: var(--font-display);
    font-size: 14px;
    color: var(--fg-2);
    margin: 0 0 8px;
    transition: color 0.2s var(--easing);
  }
  .footer-col a:hover { color: var(--fg); }
  .footer-col .ml {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--fg-2);
  }

  .footer-wordmark {
    margin: 32px 0 0;
    display: flex;
    align-items: center;
    justify-content: center;
    user-select: none;
    height: clamp(64px, 17vw, 280px);
  }
  .footer-wordmark .kamon {
    height: 100%;
    aspect-ratio: 1 / 1;
    -webkit-mask: url('assets/megalis-kamon.png') center / contain no-repeat;
            mask: url('assets/megalis-kamon.png') center / contain no-repeat;
    /* Dark mode default — white silhouette */
    background-color: #ffffff;
  }
  body[data-theme="light"] .footer-wordmark .kamon {
    background-color: var(--accent);
  }

  .footer-bottom {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 24px;
    align-items: center;
    padding-top: 24px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--fg-3);
  }
  .footer-bottom .c {
    text-align: center;
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(12px, 0.9vw, 14px);
    letter-spacing: 0.02em;
    text-transform: none;
    color: var(--fg-2);
  }
  .footer-bottom .r {
    text-align: right;
    display: flex;
    justify-content: flex-end;
  }
  .footer-bottom .back-to-top { padding: 10px 16px; }

  @media (max-width: 800px) {
    .footer-top { grid-template-columns: 1fr; align-items: start; }
    .footer-mid { grid-template-columns: 1fr 1fr; }
    .footer-bottom { grid-template-columns: 1fr; text-align: left; }
    .footer-bottom .c, .footer-bottom .r { text-align: left; }
  }
`;

function Footer() {
  const t = window.useI18n('footer');
  const nav = window.useI18n('nav');
  // Explore links: reuse nav items but drop Contact
  const exploreLinks = nav.items.filter((item) => item.id !== 'contact');
  const backToTop = (e) => {
    e.preventDefault();
    window.scrollTo({ top: 0, behavior: 'smooth' });
  };
  return (
    <>
      <style>{footerStyles}</style>
      <footer className="footer">
        <div className="footer-top">
          <h2 className="cta">
            {t.cta[0]}<br/>
            <a href="#contact">{t.cta[1]}</a>
          </h2>
        </div>

        <div className="footer-mid">
          <div className="footer-col">
            <h4>{t.cols.aboutTitle}</h4>
            <p>{t.cols.aboutBody}</p>
            <p className="ml">Contact@megalisvfx.com</p>
          </div>
          <div className="footer-col">
            <h4>{t.cols.studios}</h4>
            <a href="#contact">{t.cols.studiosTokyo}</a>
            <a href="#contact">{t.cols.studiosAvignon}</a>
          </div>
          <div className="footer-col">
            <h4>{t.cols.explore}</h4>
            {exploreLinks.map((item) => (
              <a key={item.id} href={`#${item.id}`}>{item.label}</a>
            ))}
          </div>
          <div className="footer-col">
            <h4>{t.cols.social}</h4>
            <a href="https://www.instagram.com/megalisvfx/" target="_blank" rel="noopener noreferrer">Instagram ↗</a>
            <a href="https://www.linkedin.com/company/megalisvfx/" target="_blank" rel="noopener noreferrer">LinkedIn ↗</a>
            <a href="https://vimeo.com/megalis" target="_blank" rel="noopener noreferrer">Vimeo ↗</a>
          </div>
        </div>

        <div className="footer-wordmark" aria-hidden="true">
          <div className="kamon"></div>
        </div>

        <div className="footer-bottom">
          <span>{t.copyright}</span>
          <span className="c">{t.tagline}</span>
          <span className="r">
            <a href="#top" className="back-to-top" onClick={backToTop}>
              {t.backToTop}
            </a>
          </span>
        </div>
      </footer>
    </>
  );
}

Object.assign(window, { Footer });