/* WWW Antique — homepage mockup (desktop + mobile)
   System: Cormorant Garamond (display/headline) / IBM Plex Sans (body) / IBM Plex Mono (eyebrow/caption)
   Palette: espresso #0c0a09 · panel #181411 · graphite #726b62 · parchment #ede9dc · brass #a87835
*/

const CH = {
  ink:     '#ede9dc',
  inkDim:  'rgba(237,233,220,0.62)',
  inkLow:  'rgba(237,233,220,0.34)',
  inkFaint:'rgba(237,233,220,0.14)',
  bg:      '#0c0a09',
  panel:   '#181411',
  steel:   '#726b62',
  brass:   '#a87835',
  brassDim:'rgba(168,120,53,0.55)',
};

// Public site config. Update site-config.js for each domain.
const SITE = {
  domain: 'wwwantique.com',
  brandName: 'WWW Antique',
  category: 'Curated Antique Marketplace',
  inquiryApi: 'https://inquiries.brianhaberstroh.com/api/inquiry',
  successMessage: 'Thanks — your inquiry for wwwantique.com has been sent.',
  messagePlaceholder: 'Tell us how you would use wwwantique.com or ask about acquisition details.',
  ...(window.SITE_CONFIG || {}),
};

/* ---------- shared bits ---------- */

const grainSVG = "url(\"data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.45 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>\")";

const Grain = ({ opacity = 0.55, blend = 'overlay' }) => (
  <div style={{
    position: 'absolute', inset: 0, pointerEvents: 'none',
    backgroundImage: grainSVG,
    opacity, mixBlendMode: blend,
  }} />
);

/* Photo placeholder plate — looks like an art-directed dark photo slot.
   When `image` is set, uses a real photo instead of the placeholder gradient. */
const Plate = ({ mood = 'gallery', caption, image, imagePos = 'center', children, style = {}, id }) => {
  const moods = {
    gallery: `
      radial-gradient(ellipse 70% 55% at 50% 18%, rgba(180,140,80,0.18), transparent 62%),
      radial-gradient(ellipse 50% 40% at 18% 78%, rgba(100,80,40,0.14), transparent 70%),
      radial-gradient(ellipse 40% 30% at 82% 70%, rgba(30,20,10,0.4), transparent 70%),
      linear-gradient(180deg, #1a1610 0%, #0c0907 55%, #050302 100%)`,
    case: `
      radial-gradient(ellipse 80% 60% at 50% 50%, rgba(110,100,80,0.14), transparent 65%),
      linear-gradient(115deg, #0d0c0a 0%, #1a1814 50%, #080705 100%)`,
    estate: `
      radial-gradient(ellipse 90% 30% at 50% 100%, rgba(168,120,53,0.14), transparent 60%),
      linear-gradient(180deg, #050403 0%, #0c0a08 60%, #1a140d 100%)`,
    patina: `
      radial-gradient(ellipse 70% 50% at 60% 40%, rgba(140,100,50,0.18), transparent 62%),
      linear-gradient(160deg, #1d1a14 0%, #0d0a06 100%)`,
    provenance: `
      radial-gradient(circle 320px at 70% 30%, rgba(190,150,80,0.22), transparent 60%),
      radial-gradient(circle 220px at 20% 80%, rgba(120,90,40,0.14), transparent 65%),
      linear-gradient(180deg, #14110c 0%, #07060500 100%), #060504`,
  };
  return (
    <div id={id} style={{
      position: 'relative', overflow: 'hidden',
      background: image
        ? `#060504 url("${image}") ${imagePos} / cover no-repeat`
        : (moods[mood] || moods.gallery),
      ...style,
    }}>
      <Grain opacity={image ? 0.22 : 0.55} />
      {/* faint vignette */}
      <div style={{
        position: 'absolute', inset: 0, pointerEvents: 'none',
        background: image
          ? 'radial-gradient(ellipse 95% 80% at 50% 50%, transparent 60%, rgba(0,0,0,0.42) 100%)'
          : 'radial-gradient(ellipse 90% 70% at 50% 50%, transparent 55%, rgba(0,0,0,0.55) 100%)',
      }} />
      {caption && (
        <div style={{
          position: 'absolute', bottom: 14, right: 18,
          fontFamily: 'IBM Plex Mono, monospace', fontSize: 9.5,
          letterSpacing: 1.4, textTransform: 'uppercase',
          color: 'rgba(237,233,220,0.42)',
        }}>{caption}</div>
      )}
      {children}
    </div>
  );
};

const Eyebrow = ({ children, style = {} }) => (
  <div style={{
    fontFamily: 'IBM Plex Mono, monospace',
    fontSize: 10.5, letterSpacing: 2.2, textTransform: 'uppercase',
    color: CH.brass,
    display: 'inline-flex', alignItems: 'center', gap: 10,
    ...style,
  }}>
    <span style={{ width: 22, height: 1, background: CH.brass, opacity: 0.85 }} />
    <span>{children}</span>
  </div>
);

/* WA monogram mark */
const CHMark = ({ size = 56, color = CH.ink, accent = CH.brass }) => (
  <svg viewBox="0 0 64 64" width={size} height={size} style={{ display: 'block' }}>
    {/* hairline frame */}
    <rect x="1.5" y="1.5" width="61" height="61" fill="none" stroke={color} strokeOpacity="0.35" strokeWidth="1" />
    {/* W */}
    <path d="M 8 18 L 14 44 L 20 30 L 26 44 L 32 18"
          fill="none" stroke={color} strokeWidth="3.5" strokeLinecap="square" />
    {/* A */}
    <path d="M 34 44 L 44 18 L 54 44"
          fill="none" stroke={color} strokeWidth="3.5" strokeLinecap="square" />
    <path d="M 37.5 36 L 50.5 36"
          fill="none" stroke={color} strokeWidth="3.5" strokeLinecap="square" />
    {/* brass tick */}
    <rect x="30" y="55" width="4" height="4" fill={accent} />
  </svg>
);

/* Wordmark — Cormorant Garamond, editorial serif */
const Wordmark = ({ size = 22, color = CH.ink }) => (
  <span style={{
    fontFamily: '"Cormorant Garamond", Georgia, serif',
    fontWeight: 600, fontSize: size, letterSpacing: 0.8,
    color, lineHeight: 1, textTransform: 'none',
    display: 'inline-flex', alignItems: 'baseline', gap: size * 0.14,
  }}>
    <span>WWW</span><span style={{ fontWeight: 400, opacity: 0.82 }}> Antique</span>
  </span>
);

/* ──────────── Shared form logic ──────────── */

const INQUIRY_API_URL = SITE.inquiryApi;

function useInquiryForm() {
  const [values, setValues] = React.useState({
    name: '', email: '', company: '', offer: '', intendedUse: '', message: '', website: ''
  });
  const [status, setStatus] = React.useState('idle');
  const [errorMsg, setErrorMsg] = React.useState('');

  const set = field => e => setValues(v => ({ ...v, [field]: e.target.value }));

  const handleSubmit = async e => {
    e.preventDefault();
    if (status === 'submitting') return;
    if (!values.name.trim() || !values.message.trim()) {
      setStatus('error'); setErrorMsg('Name and Message are required.'); return;
    }
    if (!/^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(values.email)) {
      setStatus('error'); setErrorMsg('Please enter a valid email address.'); return;
    }
    setStatus('submitting');
    try {
      const res = await fetch(INQUIRY_API_URL, {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({
          ...values,
          budget: values.offer,
          domain: SITE.domain,
          category: SITE.category,
          pageUrl: window.location.href,
          referrer: document.referrer,
          submittedAt: new Date().toISOString(),
        }),
      });
      if (res.ok) {
        setStatus('success');
      } else {
        const d = await res.json().catch(() => ({}));
        setStatus('error');
        setErrorMsg(d.error || d.message || 'Something went wrong. Please try again.');
      }
    } catch {
      setStatus('error');
      setErrorMsg('Something went wrong sending your inquiry. Please try again or contact the owner directly.');
    }
  };

  return { values, status, errorMsg, set, handleSubmit };
}

const MobileContactForm = () => {
  const { values, status, errorMsg, set, handleSubmit } = useInquiryForm();
  const fields = [
    { l: 'Name',    n: 'name',    t: 'text',  r: true, h: 'Required',             p: 'First & last' },
    { l: 'Email',   n: 'email',   t: 'email', r: true, h: 'Required',             p: 'you@company.com' },
    { l: 'Message', n: 'message', t: 'area',  r: true, h: 'Acquisition inquiry', p: SITE.messagePlaceholder },
  ];
  return (
    <form onSubmit={handleSubmit} style={{ marginTop: 36, position: 'relative' }}>
      <div style={{ position: 'absolute', left: '-9999px', height: 0, overflow: 'hidden' }} aria-hidden="true">
        <input type="text" name="website" value={values.website} onChange={set('website')} tabIndex={-1} autoComplete="off" />
      </div>
      {status === 'success' ? (
        <div style={{ padding: '40px 0', fontFamily: 'IBM Plex Mono, monospace',
          fontSize: 10.5, letterSpacing: 2, textTransform: 'uppercase', color: CH.brass, lineHeight: 1.8 }}>
          {SITE.successMessage}
        </div>
      ) : (
        <>
          {status === 'error' && (
            <div style={{ marginBottom: 16, fontFamily: 'IBM Plex Mono, monospace',
              fontSize: 10, letterSpacing: 1.6, textTransform: 'uppercase',
              color: 'rgba(200,90,60,0.9)', lineHeight: 1.6 }}>
              {errorMsg}
            </div>
          )}
          {fields.map(f => (
            <div key={f.l} style={{ marginBottom: 22 }}>
              <div style={{
                fontFamily: 'IBM Plex Mono, monospace', fontSize: 9.5,
                letterSpacing: 2, textTransform: 'uppercase', color: CH.brass,
                marginBottom: 10, display: 'flex', justifyContent: 'space-between',
              }}>
                <span>{f.l}</span>
                <span style={{ color: CH.inkLow }}>{f.h}</span>
              </div>
              {f.t === 'area' ? (
                <textarea name={f.n} value={values[f.n]} onChange={set(f.n)}
                  placeholder={f.p} required={f.r}
                  style={{
                    background: 'none', border: 'none', width: '100%',
                    borderBottom: `1px solid ${CH.inkFaint}`, paddingBottom: 12,
                    minHeight: 100, resize: 'vertical',
                    fontFamily: '"Cormorant Garamond", Georgia, serif', fontSize: 20,
                    color: CH.ink, lineHeight: 1.3, letterSpacing: 0,
                    outline: 'none', caretColor: CH.brass,
                  }}
                />
              ) : (
                <input type={f.t} name={f.n} value={values[f.n]} onChange={set(f.n)}
                  placeholder={f.p} required={f.r}
                  style={{
                    background: 'none', border: 'none', width: '100%',
                    borderBottom: `1px solid ${CH.inkFaint}`, paddingBottom: 12,
                    fontFamily: '"Cormorant Garamond", Georgia, serif', fontSize: 20,
                    color: CH.ink, letterSpacing: 0,
                    outline: 'none', caretColor: CH.brass,
                  }}
                />
              )}
            </div>
          ))}
          <button type="submit" disabled={status === 'submitting'} style={{
            display: 'inline-flex', alignItems: 'center', gap: 12, marginTop: 12,
            padding: '14px 22px',
            fontFamily: 'IBM Plex Mono, monospace', fontSize: 10.5,
            letterSpacing: 2.2, textTransform: 'uppercase',
            color: CH.bg, background: status === 'submitting' ? CH.steel : CH.brass,
            border: 'none', cursor: status === 'submitting' ? 'default' : 'pointer',
            opacity: status === 'submitting' ? 0.7 : 1,
          }}>
            {status === 'submitting' ? 'Sending…' : 'Send Inquiry'}
          </button>
          <div style={{
            marginTop: 18,
            fontFamily: 'IBM Plex Mono, monospace', fontSize: 9.5,
            letterSpacing: 1.6, textTransform: 'uppercase', color: CH.inkLow, lineHeight: 1.7,
          }}>
            Concept site only. No live inventory or marketplace activity.
          </div>
        </>
      )}
    </form>
  );
};

/* ============================================================
   DESKTOP — 1440 wide
   ============================================================ */

const Desktop = () => (
  <div style={{
    width: 1440, background: CH.bg, color: CH.ink,
    fontFamily: 'IBM Plex Sans, sans-serif', fontSize: 15, lineHeight: 1.55,
    position: 'relative', overflow: 'hidden',
  }}>
    <DesktopNav />
    <DesktopHero />
    <DesktopStory />
    <DesktopCulture />
    <DesktopManifesto />
    <DesktopIdentity />
    <DesktopContact />
    <DesktopFooter />
  </div>
);

const DesktopNav = () => (
  <div style={{
    position: 'absolute', top: 0, left: 0, right: 0, zIndex: 20,
    padding: '26px 56px',
    display: 'flex', alignItems: 'center', justifyContent: 'space-between',
  }}>
    <div style={{ display: 'flex', alignItems: 'center', gap: 18 }}>
      <Wordmark size={22} />
      <span style={{ width: 1, height: 14, background: CH.inkFaint }} />
      <span style={{
        fontFamily: 'IBM Plex Mono, monospace', fontSize: 10,
        letterSpacing: 2.4, textTransform: 'uppercase', color: CH.inkLow,
      }}>Curated Antique Marketplace</span>
    </div>
    <div style={{ display: 'flex', alignItems: 'center', gap: 40 }}>
      {[['Concept', '#story'], ['Collections', '#culture'], ['Marketplace', '#manifesto']].map(([l, href], i) => (
        <a key={l} href={href} style={{
          fontFamily: 'IBM Plex Mono, monospace', fontSize: 11.5,
          letterSpacing: 2.2, textTransform: 'uppercase',
          color: i === 0 ? CH.ink : CH.inkDim, textDecoration: 'none',
          display: 'inline-flex', alignItems: 'center', gap: 6,
        }}>
          <span style={{
            color: CH.brass, opacity: 0.7,
            fontSize: 9, fontVariantNumeric: 'tabular-nums',
          }}>0{i + 1}</span>
          {l}
        </a>
      ))}
      <a href="#inquiry" style={{
        fontFamily: 'IBM Plex Mono, monospace', fontSize: 11.5,
        letterSpacing: 2.2, textTransform: 'uppercase', color: CH.ink,
        textDecoration: 'none',
        border: `1px solid ${CH.inkFaint}`, padding: '10px 18px',
        display: 'inline-flex', alignItems: 'center', gap: 8,
      }}>
        Acquire
        <span style={{ width: 5, height: 5, background: CH.brass, borderRadius: 0 }} />
      </a>
    </div>
  </div>
);

const DesktopHero = () => (
  <Plate id="hero" image="media/hero.jpg" imagePos="center center" caption="// 01 · collection · gallery daylight · editorial" style={{ height: 880 }}>
    {/* gradient fade at bottom */}
    <div style={{
      position: 'absolute', left: 0, right: 0, bottom: 0, height: 460,
      background: 'linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.38) 45%, rgba(0,0,0,0.78) 100%)',
    }} />

    {/* corner indices */}
    <div style={{
      position: 'absolute', top: 110, left: 56,
      fontFamily: 'IBM Plex Mono, monospace', fontSize: 10.5,
      letterSpacing: 2.4, textTransform: 'uppercase', color: CH.inkLow,
    }}>
      N° 001 — Concept Edition
    </div>
    <div style={{
      position: 'absolute', top: 110, right: 56,
      fontFamily: 'IBM Plex Mono, monospace', fontSize: 10.5,
      letterSpacing: 2.4, textTransform: 'uppercase', color: CH.inkLow,
      textAlign: 'right',
    }}>
      Furniture / Decorative Arts / Estate Pieces
    </div>

    {/* hero copy — left-anchored, lower third */}
    <div style={{
      position: 'absolute', left: 56, bottom: 96, maxWidth: 980,
    }}>
      <div style={{ marginBottom: 28 }}><Eyebrow>wwwantique.com</Eyebrow></div>
      <h1 style={{
        fontFamily: '"Cormorant Garamond", Georgia, serif', fontWeight: 500,
        fontSize: 108, lineHeight: 0.95, letterSpacing: -0.5,
        margin: 0, color: CH.ink,
      }}>
        A premium address<br />
        for the next curated<br />
        <span style={{
          fontStyle: 'italic', fontWeight: 400, fontSize: '0.88em', lineHeight: 1.05,
          color: CH.brass,
        }}>antique marketplace.</span>
      </h1>
      <p style={{
        marginTop: 64, marginBottom: 0, maxWidth: 540,
        fontSize: 17, lineHeight: 1.55, color: CH.inkDim,
      }}>
        WWW Antique is a refined brand concept for discovering collectible furniture,
        decorative objects, estate pieces, and timeless artifacts through a
        web-native marketplace experience.
      </p>

      <div style={{ marginTop: 40, display: 'flex', alignItems: 'center', gap: 28 }}>
        <a href="#inquiry" style={{
          fontFamily: 'IBM Plex Mono, monospace', fontSize: 11.5,
          letterSpacing: 2.4, textTransform: 'uppercase',
          color: CH.bg, background: CH.brass,
          padding: '18px 28px', textDecoration: 'none',
          display: 'inline-flex', alignItems: 'center', gap: 14,
        }}>
          Inquire About wwwantique.com
          <span style={{ display: 'inline-block', width: 18, height: 1, background: CH.bg }} />
        </a>
        <a href="#story" style={{
          fontFamily: 'IBM Plex Mono, monospace', fontSize: 11.5,
          letterSpacing: 2.4, textTransform: 'uppercase',
          color: CH.ink, textDecoration: 'none',
          padding: '18px 0',
          display: 'inline-flex', alignItems: 'center', gap: 12,
          borderBottom: `1px solid ${CH.inkFaint}`,
        }}>
          Explore the Concept
        </a>
      </div>
    </div>

    {/* scroll marker bottom-right */}
    <div style={{
      position: 'absolute', right: 56, bottom: 64,
      display: 'flex', flexDirection: 'column', alignItems: 'flex-end', gap: 12,
    }}>
      <div style={{
        fontFamily: 'IBM Plex Mono, monospace', fontSize: 10,
        letterSpacing: 2.4, textTransform: 'uppercase', color: CH.inkLow,
      }}>Scroll · 01 of 06</div>
      <div style={{ width: 1, height: 56, background: `linear-gradient(180deg, ${CH.brass}, transparent)` }} />
    </div>
  </Plate>
);

const DesktopStory = () => (
  <div id="story" style={{
    background: CH.bg, padding: '160px 56px 160px',
    display: 'grid', gridTemplateColumns: '560px 1fr', gap: 96,
  }}>
    <Plate image="media/story.jpg" imagePos="center" caption="// 02 · curation · estate pieces · daylight" style={{ height: 720 }} />

    <div style={{ paddingTop: 24, alignSelf: 'start' }}>
      <Eyebrow>02 — The Brand</Eyebrow>
      <h2 style={{
        marginTop: 36, marginBottom: 36, maxWidth: 660,
        fontFamily: '"Cormorant Garamond", Georgia, serif', fontWeight: 500,
        fontSize: 64, lineHeight: 0.98, letterSpacing: -0.3,
        color: CH.ink,
      }}>
        Built for collectors,<br />
        dealers, and<br />
        <span style={{ fontStyle: 'italic', fontWeight: 400, fontSize: '0.88em', lineHeight: 1.05, color: CH.brass }}>estate-led discovery.</span>
      </h2>
      <p style={{
        fontSize: 18, lineHeight: 1.6, color: CH.inkDim, maxWidth: 520, margin: 0,
      }}>
        The strongest antique platforms do more than list objects. They create confidence
        around taste, provenance, condition, and presentation. WWW Antique is positioned
        as a premium marketplace concept where antique furniture, decorative arts, books,
        silver, ceramics, and collectible pieces can be presented with clarity and restraint.
      </p>

      <div style={{
        marginTop: 64, paddingTop: 36, borderTop: `1px solid ${CH.inkFaint}`,
        display: 'grid', gridTemplateColumns: 'repeat(3, 1fr)', gap: 40, maxWidth: 580,
      }}>
        {[
          { n: 'Six', l: 'Collecting categories' },
          { n: 'One', l: 'Premium web address' },
          { n: '∞',   l: 'Objects to discover' },
        ].map(s => (
          <div key={s.l}>
            <div style={{
              fontFamily: '"Cormorant Garamond", Georgia, serif', fontWeight: 500,
              fontSize: 52, lineHeight: 1, color: CH.ink,
            }}>{s.n}</div>
            <div style={{
              marginTop: 10,
              fontFamily: 'IBM Plex Mono, monospace', fontSize: 10.5,
              letterSpacing: 1.8, textTransform: 'uppercase', color: CH.inkLow,
            }}>{s.l}</div>
          </div>
        ))}
      </div>
    </div>
  </div>
);

const cultureItems = [
  { n: '01', label: 'Furniture',    mood: 'case',      image: 'media/parts.jpg',   h: 560, blurb: 'Period chairs, cabinets, tables, and case pieces presented with provenance and condition clarity.', cap: '// furniture · estate pieces · period detail' },
  { n: '02', label: 'Silver',       mood: 'gallery',   image: 'media/builds.jpg',  h: 720, blurb: 'Hollow ware, flatware, and decorative silver identified by hallmark, maker, and period style.',     cap: '// silver · hallmarks · period attribution' },
  { n: '03', label: 'Ceramics',     mood: 'patina',    image: 'media/apparel.jpg', h: 720, blurb: 'Majolica, porcelain, art pottery, and earthenware with glaze detail and period context.',           cap: '// ceramics · glaze · decorative arts' },
  { n: '04', label: 'Collectibles', mood: 'estate',    image: 'media/culture.jpg', h: 560, blurb: 'Objects, fine art, books, clocks, and curiosities from every period and provenance.',               cap: '// objects · art · collectibles · discovery' },
];

const DesktopCulture = () => (
  <div id="culture" style={{ background: CH.bg, padding: '40px 56px 180px' }}>
    {/* section header */}
    <div style={{
      display: 'flex', alignItems: 'flex-end', justifyContent: 'space-between',
      paddingBottom: 56, borderBottom: `1px solid ${CH.inkFaint}`, marginBottom: 64,
    }}>
      <div>
        <Eyebrow>03 — The Collections</Eyebrow>
        <h2 style={{
          marginTop: 28, marginBottom: 0, maxWidth: 900,
          fontFamily: '"Cormorant Garamond", Georgia, serif', fontWeight: 500,
          fontSize: 88, lineHeight: 0.95, letterSpacing: -0.6,
          color: CH.ink,
        }}>
          A name that says online antiques<br />
          <span style={{ fontStyle: 'italic', fontWeight: 400, fontSize: '0.85em', lineHeight: 1.05, color: CH.inkDim }}>without explanation.</span>
        </h2>
      </div>
      <div style={{
        fontFamily: 'IBM Plex Mono, monospace', fontSize: 10.5,
        letterSpacing: 2.2, textTransform: 'uppercase', color: CH.inkLow,
        textAlign: 'right', paddingBottom: 12,
      }}>
        Furniture · Silver<br/>Ceramics · Collectibles
      </div>
    </div>

    {/* asymmetric grid of 4 — staircase */}
    <div style={{
      display: 'grid', gridTemplateColumns: 'repeat(2, 1fr)',
      columnGap: 24, rowGap: 64,
    }}>
      {cultureItems.map((c, i) => (
        <div key={c.label} style={{ marginTop: i % 2 === 1 ? 64 : 0 }}>
          <Plate mood={c.mood} image={c.image} caption={c.cap} style={{ height: c.h }} />
          <div style={{
            marginTop: 22, display: 'flex', alignItems: 'baseline', justifyContent: 'space-between',
          }}>
            <div style={{ display: 'flex', alignItems: 'baseline', gap: 18 }}>
              <span style={{
                fontFamily: 'IBM Plex Mono, monospace', fontSize: 11,
                letterSpacing: 2, color: CH.brass,
              }}>N° {c.n}</span>
              <h3 style={{
                fontFamily: '"Cormorant Garamond", Georgia, serif', fontWeight: 500,
                fontSize: 44, lineHeight: 1, letterSpacing: -0.2,
                color: CH.ink, margin: 0,
              }}>{c.label}</h3>
            </div>
            <a href="#inquiry" style={{
              fontFamily: 'IBM Plex Mono, monospace', fontSize: 10.5,
              letterSpacing: 2.2, textTransform: 'uppercase',
              color: CH.inkDim, textDecoration: 'none',
            }}>Inquire →</a>
          </div>
          <p style={{
            marginTop: 14, marginBottom: 0, maxWidth: 440,
            fontSize: 15.5, color: CH.inkDim,
          }}>{c.blurb}</p>
        </div>
      ))}
    </div>
  </div>
);

const DesktopManifesto = () => (
  <Plate id="manifesto" image="media/manifesto.jpg" imagePos="center center" caption="// 04 · collector · desk · acquisition detail" style={{ height: 700 }}>
    {/* darken for headline readability */}
    <div style={{
      position: 'absolute', inset: 0,
      background: 'radial-gradient(ellipse 70% 60% at 50% 50%, rgba(0,0,0,0.72) 0%, rgba(0,0,0,0.42) 50%, rgba(0,0,0,0.68) 100%)',
    }} />
    <div style={{
      position: 'absolute', inset: 0,
      display: 'flex', alignItems: 'center', justifyContent: 'center',
      flexDirection: 'column',
    }}>
      <div style={{ marginBottom: 56 }}><Eyebrow style={{ color: CH.brass }}>04 — The Concept</Eyebrow></div>
      <h2 style={{
        margin: 0, textAlign: 'center',
        fontFamily: '"Cormorant Garamond", Georgia, serif', fontWeight: 500,
        fontSize: 112, lineHeight: 0.92, letterSpacing: -0.8,
        color: CH.ink,
      }}>
        Curated objects.<br />
        Considered presentation.<br />
        <span style={{ color: CH.brass, fontStyle: 'italic', fontWeight: 400, fontSize: '0.88em', lineHeight: 1.05 }}>Timeless collecting.</span>
      </h2>
      <div style={{
        marginTop: 56, display: 'flex', alignItems: 'center', gap: 18,
        fontFamily: 'IBM Plex Mono, monospace', fontSize: 10.5,
        letterSpacing: 2.4, textTransform: 'uppercase', color: CH.inkLow,
      }}>
        <span style={{ width: 32, height: 1, background: CH.inkFaint }} />
        <span>Object first · Provenance forward · Collector ready</span>
        <span style={{ width: 32, height: 1, background: CH.inkFaint }} />
      </div>
    </div>
  </Plate>
);

/* Artifact card — looks like a physical brand object (plaque, provenance card, label). */
const Artifact = ({ label, footnote, stitched = false, accentTab = false, children, style = {}, contentStyle = {} }) => (
  <div style={{
    position: 'relative', background: CH.bg,
    border: `1px solid ${CH.inkFaint}`,
    boxShadow: 'inset 0 0 80px rgba(0,0,0,0.55), inset 0 1px 0 rgba(237,233,220,0.04)',
    ...style,
  }}>
    {/* corner ticks — like brass corner brackets on a provenance card */}
    {[
      { top: 8, left: 8, b: '1px 0 0 1px' },
      { top: 8, right: 8, b: '1px 1px 0 0' },
      { bottom: 8, left: 8, b: '0 0 1px 1px' },
      { bottom: 8, right: 8, b: '0 1px 1px 0' },
    ].map((c, i) => (
      <span key={i} style={{
        position: 'absolute', width: 10, height: 10,
        borderStyle: 'solid', borderColor: CH.brassDim, borderWidth: c.b,
        ...c,
      }} />
    ))}
    {/* stitched inner border */}
    {stitched && (
      <div style={{
        position: 'absolute', inset: 18, pointerEvents: 'none',
        border: `1px dashed rgba(168,120,53,0.32)`,
      }} />
    )}
    {/* grain wash */}
    <div style={{
      position: 'absolute', inset: 0, pointerEvents: 'none',
      backgroundImage: grainSVG, opacity: 0.18, mixBlendMode: 'overlay',
    }} />
    {/* brass tab in top-left if accentTab */}
    {accentTab && (
      <span style={{
        position: 'absolute', top: -1, left: 32, width: 22, height: 4,
        background: CH.brass,
      }} />
    )}
    {/* content */}
    <div style={{
      position: 'relative', zIndex: 1, height: '100%',
      display: 'flex', flexDirection: 'column', ...contentStyle,
    }}>
      <div style={{
        fontFamily: 'IBM Plex Mono, monospace', fontSize: 9.5,
        letterSpacing: 2.4, textTransform: 'uppercase', color: CH.inkLow,
        display: 'flex', alignItems: 'center', gap: 10,
      }}>
        <span style={{ width: 10, height: 1, background: CH.brassDim }} />
        {label}
      </div>
      {children}
      {footnote && (
        <div style={{
          fontFamily: 'IBM Plex Mono, monospace', fontSize: 9.5,
          letterSpacing: 2.2, textTransform: 'uppercase', color: CH.inkLow,
        }}>{footnote}</div>
      )}
    </div>
  </div>
);

const presenceNotes = [
  { n: '01', t: 'Furniture',   kind: 'stance',  d: 'Period chairs, cabinets, tables, and case pieces with clear provenance, period attribution, and condition notes.' },
  { n: '02', t: 'Ceramics',    kind: 'tank',    d: 'Majolica, art pottery, porcelain, and earthenware with glaze detail, maker marks, and period context.' },
  { n: '03', t: 'Silver',      kind: 'metal',   d: 'Flatware, hollow ware, candlesticks, and decorative silver identified by hallmark, maker, and period style.' },
  { n: '04', t: 'Books',       kind: 'leather', d: 'First editions, illustrated volumes, leather-bound sets, and ephemera for collectors and reading room display.' },
  { n: '05', t: 'Fine Art',    kind: 'shop',    d: 'Oil paintings, watercolours, prints, and drawings presented with medium, period, and condition notes.' },
  { n: '06', t: 'Objects',     kind: 'road',    d: 'Decorative curiosities, clocks, scientific instruments, and collectibles that anchor a considered collection.' },
];

const PresenceGlyph = ({ kind, size = 44 }) => {
  const s = size; const cx = s/2; const cy = s/2;
  const stroke = CH.brass; const dim = CH.inkLow;
  switch (kind) {
    case 'stance': // low silhouette — works as furniture outline
      return (
        <svg viewBox={`0 0 ${s} ${s}`} width={s} height={s}>
          <line x1={s*0.08} y1={s*0.82} x2={s*0.92} y2={s*0.82} stroke={dim} strokeWidth="1" />
          <circle cx={s*0.26} cy={s*0.66} r={s*0.14} fill="none" stroke={stroke} strokeWidth="1.2" />
          <circle cx={s*0.74} cy={s*0.66} r={s*0.14} fill="none" stroke={stroke} strokeWidth="1.2" />
          <line x1={s*0.30} y1={s*0.58} x2={s*0.70} y2={s*0.58} stroke={CH.ink} strokeWidth="1.4" />
          <line x1={s*0.42} y1={s*0.58} x2={s*0.46} y2={s*0.48} stroke={CH.ink} strokeWidth="1" />
        </svg>
      );
    case 'tank': // teardrop — vessel / ceramic form
      return (
        <svg viewBox={`0 0 ${s} ${s}`} width={s} height={s}>
          <path d={`M ${s*0.18} ${cy} Q ${s*0.30} ${s*0.30}, ${s*0.62} ${s*0.30} Q ${s*0.86} ${s*0.32}, ${s*0.82} ${cy} Q ${s*0.78} ${s*0.72}, ${s*0.50} ${s*0.72} Q ${s*0.22} ${s*0.72}, ${s*0.18} ${cy} Z`} fill="none" stroke={stroke} strokeWidth="1.2" />
          <path d={`M ${s*0.28} ${s*0.42} Q ${s*0.42} ${s*0.36}, ${s*0.58} ${s*0.40}`} fill="none" stroke={dim} strokeWidth="0.8" opacity="0.7" />
          <circle cx={s*0.66} cy={cy} r="1.6" fill={stroke} />
        </svg>
      );
    case 'metal': // spoked wheel — decorative roundel / silver
      return (
        <svg viewBox={`0 0 ${s} ${s}`} width={s} height={s}>
          <circle cx={cx} cy={cy} r={s*0.36} fill="none" stroke={stroke} strokeWidth="1.2" />
          <circle cx={cx} cy={cy} r={s*0.06} fill={stroke} />
          {[0, 45, 90, 135].map(a => {
            const rad = (a * Math.PI) / 180;
            const x1 = cx + Math.cos(rad) * s*0.06;
            const y1 = cy + Math.sin(rad) * s*0.06;
            const x2 = cx + Math.cos(rad) * s*0.36;
            const y2 = cy + Math.sin(rad) * s*0.36;
            const x1b = cx - Math.cos(rad) * s*0.06;
            const y1b = cy - Math.sin(rad) * s*0.06;
            const x2b = cx - Math.cos(rad) * s*0.36;
            const y2b = cy - Math.sin(rad) * s*0.36;
            return (
              <g key={a}>
                <line x1={x1} y1={y1} x2={x2} y2={y2} stroke={dim} strokeWidth="0.8" />
                <line x1={x1b} y1={y1b} x2={x2b} y2={y2b} stroke={dim} strokeWidth="0.8" />
              </g>
            );
          })}
        </svg>
      );
    case 'leather': // stitched panel — book / bound volume
      return (
        <svg viewBox={`0 0 ${s} ${s}`} width={s} height={s}>
          <rect x={s*0.16} y={s*0.22} width={s*0.68} height={s*0.56} fill="none" stroke={dim} strokeWidth="1" />
          <rect x={s*0.22} y={s*0.28} width={s*0.56} height={s*0.44} fill="none" stroke={stroke} strokeWidth="0.8" strokeDasharray="2 3" />
          <line x1={s*0.50} y1={s*0.30} x2={s*0.50} y2={s*0.70} stroke={dim} strokeWidth="0.6" strokeDasharray="2 3" />
        </svg>
      );
    case 'shop': // pendant + floor — provenance point / inspection light
      return (
        <svg viewBox={`0 0 ${s} ${s}`} width={s} height={s}>
          <line x1={cx} y1={s*0.08} x2={cx} y2={s*0.36} stroke={dim} strokeWidth="1" />
          <circle cx={cx} cy={s*0.42} r={s*0.07} fill={stroke} />
          <path d={`M ${cx} ${s*0.48} L ${s*0.28} ${s*0.80} L ${s*0.72} ${s*0.80} Z`} fill={stroke} opacity="0.16" stroke={stroke} strokeWidth="0.6" />
          <line x1={s*0.10} y1={s*0.82} x2={s*0.90} y2={s*0.82} stroke={dim} strokeWidth="1" />
        </svg>
      );
    case 'road': // perspective lines to vanishing point — online discovery
      return (
        <svg viewBox={`0 0 ${s} ${s}`} width={s} height={s}>
          <circle cx={cx} cy={s*0.38} r="1.4" fill={stroke} />
          <line x1={s*0.08} y1={s*0.86} x2={cx} y2={s*0.38} stroke={dim} strokeWidth="1" />
          <line x1={s*0.92} y1={s*0.86} x2={cx} y2={s*0.38} stroke={dim} strokeWidth="1" />
          <line x1={s*0.32} y1={s*0.86} x2={s*0.46} y2={s*0.48} stroke={stroke} strokeWidth="1.2" />
          <line x1={s*0.42} y1={s*0.86} x2={s*0.49} y2={s*0.56} stroke={stroke} strokeWidth="1" strokeDasharray="3 3" />
        </svg>
      );
  }
};

const DesktopIdentity = () => (
  <div id="presence" style={{ background: CH.panel, padding: '160px 56px 160px', position: 'relative' }}>
    {/* faint texture */}
    <div style={{
      position: 'absolute', inset: 0, pointerEvents: 'none',
      backgroundImage: grainSVG, opacity: 0.18, mixBlendMode: 'overlay',
    }} />

    {/* header */}
    <div style={{ position: 'relative', display: 'flex', alignItems: 'flex-end', justifyContent: 'space-between', marginBottom: 72, gap: 60 }}>
      <div>
        <Eyebrow>05 — The Marketplace</Eyebrow>
        <h2 style={{
          marginTop: 28, marginBottom: 0,
          fontFamily: '"Cormorant Garamond", Georgia, serif', fontWeight: 500,
          fontSize: 76, lineHeight: 0.96, letterSpacing: -0.4,
          color: CH.ink,
        }}>
          Six categories.<br/>
          <span style={{ fontStyle: 'italic', fontWeight: 400, fontSize: '0.88em', lineHeight: 1.05, color: CH.brass }}>One refined destination.</span>
        </h2>
      </div>
      <div style={{
        maxWidth: 420,
        fontSize: 15.5, lineHeight: 1.65, color: CH.inkDim, paddingBottom: 12,
      }}>
        WWW Antique frames each collecting area with clarity, restraint, and the editorial detail that serious buyers and sellers depend on to find objects worth owning.
      </div>
    </div>

    {/* Six marketplace category cards */}
    <div style={{
      position: 'relative', marginTop: 24,
      display: 'grid', gridTemplateColumns: 'repeat(3, 1fr)', gap: 24,
    }}>
      {presenceNotes.map((m) => (
        <Artifact
          key={m.t}
          label={`N° ${m.n}`}
          contentStyle={{ padding: '28px 28px 24px', justifyContent: 'space-between', minHeight: 240 }}
        >
          <div style={{
            marginTop: 18,
            display: 'flex', alignItems: 'center', gap: 18,
          }}>
            <PresenceGlyph kind={m.kind} size={44} />
            <h3 style={{
              margin: 0, whiteSpace: 'nowrap',
              fontFamily: '"Cormorant Garamond", Georgia, serif', fontWeight: 500,
              fontSize: 30, letterSpacing: 0.2, color: CH.ink,
            }}>{m.t}</h3>
          </div>
          <p style={{
            margin: 0, marginTop: 18,
            fontSize: 14.5, lineHeight: 1.55, color: CH.inkDim,
          }}>{m.d}</p>
        </Artifact>
      ))}
    </div>

    {/* bottom strip */}
    <div style={{
      position: 'relative', marginTop: 64, paddingTop: 28,
      borderTop: `1px solid ${CH.inkFaint}`,
      display: 'flex', alignItems: 'center', justifyContent: 'space-between',
      fontFamily: 'IBM Plex Mono, monospace', fontSize: 10.5,
      letterSpacing: 2.4, textTransform: 'uppercase', color: CH.inkLow,
    }}>
      <span>Furniture · Silver · Ceramics · Books</span>
      <span>Fine Art · Objects · Estate Pieces · Provenance</span>
      <span style={{ color: CH.brass }}>Curated · Collected · Considered</span>
    </div>
  </div>
);

const DesktopContact = () => {
  const { values, status, errorMsg, set, handleSubmit } = useInquiryForm();
  const formFields = [
    { label: 'Name',  name: 'name',  type: 'text',  required: true, hint: 'Required', placeholder: 'First & last' },
    { label: 'Email', name: 'email', type: 'email', required: true, hint: 'Required', placeholder: 'you@company.com' },
  ];
  return (
    <div id="inquiry" style={{
      background: CH.bg, padding: '180px 56px',
      display: 'grid', gridTemplateColumns: '1fr 1fr', gap: 96,
    }}>
      <div>
        <Eyebrow>06 — Acquire</Eyebrow>
        <h2 style={{
          marginTop: 28, marginBottom: 36, maxWidth: 580,
          fontFamily: '"Cormorant Garamond", Georgia, serif', fontWeight: 500,
          fontSize: 92, lineHeight: 0.95, letterSpacing: -0.6,
          color: CH.ink,
        }}>
          Acquire<br/>
          <span style={{ fontStyle: 'italic', fontWeight: 400, fontSize: '0.88em', lineHeight: 1.05, color: CH.brass }}>wwwantique.com</span>
        </h2>
        <p style={{ maxWidth: 440, fontSize: 16, lineHeight: 1.6, color: CH.inkDim, margin: 0 }}>
          This page presents an illustrative brand concept for{' '}
          <span style={{ color: CH.ink }}>wwwantique.com</span>. The marketplace shown here
          is a concept direction only, created to demonstrate how the domain could be positioned
          as a premium antique discovery brand. If you are interested in acquiring the domain,
          send a direct inquiry below.
        </p>
        <div style={{
          marginTop: 72, paddingTop: 32, borderTop: `1px solid ${CH.inkFaint}`,
          display: 'grid', gridTemplateColumns: '1fr 1fr 1fr', gap: 24, maxWidth: 520,
        }}>
          {[
            { l: 'Domain',    v: 'wwwantique.com' },
            { l: 'Direction', v: 'Curated Antique Marketplace' },
            { l: 'Status',    v: 'Open to serious inquiries' },
          ].map(b => (
            <div key={b.l}>
              <div style={{
                fontFamily: 'IBM Plex Mono, monospace', fontSize: 10,
                letterSpacing: 2.2, textTransform: 'uppercase', color: CH.brass,
                display: 'flex', alignItems: 'center', gap: 8,
              }}>
                <span style={{ width: 8, height: 1, background: CH.brassDim }} />
                {b.l}
              </div>
              <div style={{
                marginTop: 12,
                fontFamily: '"Cormorant Garamond", Georgia, serif', fontSize: 22, color: CH.ink, lineHeight: 1.2,
              }}>
                {b.v}
              </div>
            </div>
          ))}
        </div>

        {/* honesty note */}
        <div style={{
          marginTop: 40, maxWidth: 460,
          display: 'flex', gap: 14, alignItems: 'flex-start',
          paddingTop: 18, borderTop: `1px dashed ${CH.inkFaint}`,
        }}>
          <span style={{
            marginTop: 4, width: 6, height: 6, background: CH.brass, flexShrink: 0,
          }} />
          <div style={{
            fontFamily: 'IBM Plex Mono, monospace', fontSize: 10.5,
            letterSpacing: 1.6, textTransform: 'uppercase', color: CH.inkLow, lineHeight: 1.7,
          }}>
            Concept site only. No live antique inventory, dealer network, or marketplace transactions are represented on this page.
          </div>
        </div>
      </div>

      <form onSubmit={handleSubmit} style={{ paddingTop: 80, position: 'relative' }}>
        {/* honeypot */}
        <div style={{ position: 'absolute', left: '-9999px', height: 0, overflow: 'hidden' }} aria-hidden="true">
          <input type="text" name="website" value={values.website} onChange={set('website')} tabIndex={-1} autoComplete="off" />
        </div>
        {status === 'success' ? (
          <div style={{ padding: '56px 0', fontFamily: 'IBM Plex Mono, monospace',
            fontSize: 12, letterSpacing: 2, textTransform: 'uppercase', color: CH.brass, lineHeight: 1.8 }}>
            {SITE.successMessage}
          </div>
        ) : (
          <>
            {status === 'error' && (
              <div style={{ marginBottom: 20, fontFamily: 'IBM Plex Mono, monospace',
                fontSize: 11, letterSpacing: 1.6, textTransform: 'uppercase',
                color: 'rgba(200,90,60,0.9)', lineHeight: 1.6 }}>
                {errorMsg}
              </div>
            )}
            {formFields.map(f => (
              <div key={f.label} style={{ marginBottom: 30 }}>
                <div style={{
                  fontFamily: 'IBM Plex Mono, monospace', fontSize: 10,
                  letterSpacing: 2.2, textTransform: 'uppercase', color: CH.brass,
                  marginBottom: 12, display: 'flex', justifyContent: 'space-between',
                }}>
                  <span>{f.label}</span>
                  <span style={{ color: CH.inkLow }}>{f.hint}</span>
                </div>
                <input
                  type={f.type}
                  name={f.name}
                  value={values[f.name]}
                  onChange={set(f.name)}
                  placeholder={f.placeholder}
                  required={f.required}
                  style={{
                    background: 'none', border: 'none', width: '100%',
                    borderBottom: `1px solid ${CH.inkFaint}`,
                    paddingBottom: 14,
                    fontFamily: '"Cormorant Garamond", Georgia, serif', fontSize: 26,
                    color: CH.ink, letterSpacing: 0.2,
                    outline: 'none', caretColor: CH.brass,
                  }}
                />
              </div>
            ))}
            <div style={{ marginBottom: 44 }}>
              <div style={{
                fontFamily: 'IBM Plex Mono, monospace', fontSize: 10,
                letterSpacing: 2.2, textTransform: 'uppercase', color: CH.brass,
                marginBottom: 12, display: 'flex', justifyContent: 'space-between',
              }}>
                <span>Message</span>
                <span style={{ color: CH.inkLow }}>Acquisition inquiry</span>
              </div>
              <textarea
                name="message"
                value={values.message}
                onChange={set('message')}
                placeholder={SITE.messagePlaceholder}
                required
                style={{
                  background: 'none', border: 'none', width: '100%',
                  borderBottom: `1px solid ${CH.inkFaint}`,
                  paddingBottom: 14, minHeight: 140, resize: 'vertical',
                  fontFamily: '"Cormorant Garamond", Georgia, serif', fontSize: 26,
                  color: CH.ink, letterSpacing: 0.2,
                  outline: 'none', caretColor: CH.brass,
                }}
              />
            </div>
            <div style={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between', gap: 24 }}>
              <button
                type="submit"
                disabled={status === 'submitting'}
                style={{
                  fontFamily: 'IBM Plex Mono, monospace', fontSize: 11.5,
                  letterSpacing: 2.4, textTransform: 'uppercase',
                  color: CH.bg, background: status === 'submitting' ? CH.steel : CH.brass,
                  padding: '20px 32px', border: 'none',
                  cursor: status === 'submitting' ? 'default' : 'pointer',
                  display: 'inline-flex', alignItems: 'center', gap: 16,
                  opacity: status === 'submitting' ? 0.7 : 1,
                }}
              >
                {status === 'submitting' ? 'Sending…' : 'Send Inquiry'}
                <span style={{ width: 22, height: 1, background: CH.bg, display: 'inline-block' }} />
              </button>
              <div style={{
                fontFamily: 'IBM Plex Mono, monospace', fontSize: 10,
                letterSpacing: 1.8, textTransform: 'uppercase', color: CH.inkLow,
                textAlign: 'right', lineHeight: 1.6, maxWidth: 220,
              }}>
                Concept shown for<br/>illustrative purposes only.
              </div>
            </div>
          </>
        )}
      </form>
    </div>
  );
};

const DesktopFooter = () => (
  <div id="footer" style={{
    background: CH.panel, padding: '64px 56px 48px',
    borderTop: `1px solid ${CH.inkFaint}`,
  }}>
    <div style={{
      display: 'grid', gridTemplateColumns: '1.1fr 1fr 1fr 1fr', gap: 56,
      paddingBottom: 56,
    }}>
      {/* brand block */}
      <div>
        <div style={{ display: 'flex', alignItems: 'center', gap: 22 }}>
          <CHMark size={48} />
          <div>
            <div style={{
              fontFamily: '"Cormorant Garamond", Georgia, serif', fontWeight: 600, fontSize: 26,
              color: CH.ink, lineHeight: 1, letterSpacing: 0.4,
            }}>WWW<span style={{ fontWeight: 400, opacity: 0.82 }}> Antique</span></div>
            <div style={{
              marginTop: 8,
              fontFamily: 'IBM Plex Mono, monospace', fontSize: 10,
              letterSpacing: 2.2, textTransform: 'uppercase', color: CH.brass,
            }}>Curated antiques for the web.</div>
          </div>
        </div>
        <p style={{
          marginTop: 28, marginBottom: 0, maxWidth: 320,
          fontFamily: 'IBM Plex Mono, monospace', fontSize: 10.5,
          letterSpacing: 1.6, textTransform: 'uppercase', color: CH.inkLow, lineHeight: 1.7,
        }}>
          WWW Antique is an illustrative brand concept for{' '}
          <span style={{ color: CH.inkDim }}>wwwantique.com</span>. It does not represent an
          active antique marketplace, live inventory, dealer network, appraisal service, or
          auction house. The domain may be available for acquisition by the right buyer.
        </p>
      </div>
      {[
        { h: 'Concept', l: [
          { t: 'Brand Direction', href: '#story' },
          { t: 'Visual Identity', href: '#presence' },
          { t: 'Use Cases',       href: '#culture' },
        ]},
        { h: 'Domain', l: [
          { t: 'wwwantique.com',      href: '#inquiry' },
          { t: 'Acquisition Inquiry', href: '#inquiry' },
          { t: 'Contact',             href: '#inquiry' },
        ]},
        { h: 'Note', l: [
          { t: 'Illustrative Concept', href: null },
          { t: 'No Active Inventory',  href: null },
        ]},
      ].map(g => (
        <div key={g.h}>
          <div style={{
            fontFamily: 'IBM Plex Mono, monospace', fontSize: 10,
            letterSpacing: 2.2, textTransform: 'uppercase', color: CH.inkLow,
            marginBottom: 18, display: 'flex', alignItems: 'center', gap: 8,
          }}>
            <span style={{ width: 8, height: 1, background: CH.brassDim }} />
            {g.h}
          </div>
          <div style={{ display: 'grid', gap: 10 }}>
            {g.l.map(x => (
              <a key={x.t} href={x.href || undefined} style={{
                fontFamily: '"Cormorant Garamond", Georgia, serif', fontSize: 20, color: CH.ink,
                letterSpacing: 0.2, textDecoration: 'none', lineHeight: 1.15,
              }}>{x.t}</a>
            ))}
          </div>
        </div>
      ))}
    </div>
    <div style={{
      paddingTop: 28, borderTop: `1px solid ${CH.inkFaint}`,
      display: 'flex', alignItems: 'center', justifyContent: 'space-between',
      fontFamily: 'IBM Plex Mono, monospace', fontSize: 10,
      letterSpacing: 2, textTransform: 'uppercase', color: CH.inkLow,
    }}>
      <span>© MMXXVI · WWW Antique · Concept presentation</span>
      <span>Independently owned · Available for acquisition</span>
      <span style={{ color: CH.brass }}>Curated Antiques — wwwantique.com</span>
    </div>
  </div>
);

/* ============================================================
   MOBILE — 390 wide
   ============================================================ */

const Mobile = () => (
  <div style={{
    width: 390, background: CH.bg, color: CH.ink,
    fontFamily: 'IBM Plex Sans, sans-serif', fontSize: 14, lineHeight: 1.55,
    position: 'relative', overflow: 'hidden',
  }}>
    {/* status bar */}
    <div style={{
      height: 44, display: 'flex', alignItems: 'center', justifyContent: 'space-between',
      padding: '0 22px', fontFamily: 'IBM Plex Mono, monospace', fontSize: 11,
      color: CH.ink, fontWeight: 600, position: 'absolute', top: 0, left: 0, right: 0, zIndex: 30,
    }}>
      <span>9:41</span>
      <span style={{ display: 'flex', gap: 6 }}>
        <span>●●●●</span><span>●●</span>
      </span>
    </div>

    {/* nav */}
    <div style={{
      position: 'absolute', top: 44, left: 0, right: 0, zIndex: 20,
      padding: '16px 22px', display: 'flex', alignItems: 'center', justifyContent: 'space-between',
    }}>
      <Wordmark size={18} />
      <div style={{ display: 'flex', flexDirection: 'column', gap: 4 }}>
        <span style={{ width: 22, height: 1, background: CH.ink }} />
        <span style={{ width: 16, height: 1, background: CH.ink, alignSelf: 'flex-end' }} />
      </div>
    </div>

    {/* hero */}
    <Plate id="m-hero" image="media/hero.jpg" imagePos="center center" caption="// 01 · collection · editorial" style={{ height: 720, paddingTop: 100 }}>
      <div style={{
        position: 'absolute', left: 0, right: 0, bottom: 0, height: 380,
        background: 'linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.42) 50%, rgba(0,0,0,0.82) 100%)',
      }} />
      <div style={{
        position: 'absolute', left: 22, bottom: 56, right: 22,
      }}>
        <div style={{ marginBottom: 18 }}><Eyebrow>wwwantique.com</Eyebrow></div>
        <h1 style={{
          fontFamily: '"Cormorant Garamond", Georgia, serif', fontWeight: 500,
          fontSize: 52, lineHeight: 0.95, letterSpacing: -0.4,
          margin: 0, color: CH.ink,
        }}>
          A premium address<br/>for the next curated<br/>
          <span style={{ fontStyle: 'italic', fontWeight: 400, color: CH.brass }}>antique marketplace.</span>
        </h1>
        <p style={{ marginTop: 40, color: CH.inkDim, fontSize: 14, lineHeight: 1.55 }}>
          A refined brand concept for discovering collectible furniture, decorative objects, and estate pieces online.
        </p>
        <a href="#inquiry" style={{
          display: 'inline-flex', alignItems: 'center', gap: 12,
          marginTop: 24, padding: '14px 22px',
          fontFamily: 'IBM Plex Mono, monospace', fontSize: 10.5,
          letterSpacing: 2.2, textTransform: 'uppercase',
          color: CH.bg, background: CH.brass, textDecoration: 'none',
        }}>
          Inquire About wwwantique.com
          <span style={{ width: 16, height: 1, background: CH.bg }} />
        </a>
      </div>
    </Plate>

    {/* story */}
    <div id="m-story" style={{ padding: '88px 22px 64px' }}>
      <Eyebrow>02 — The Brand</Eyebrow>
      <h2 style={{
        marginTop: 22, marginBottom: 20,
        fontFamily: '"Cormorant Garamond", Georgia, serif', fontWeight: 500,
        fontSize: 42, lineHeight: 0.98, letterSpacing: -0.2,
        color: CH.ink,
      }}>
        Built for collectors, dealers, and{' '}
        <span style={{ fontStyle: 'italic', fontWeight: 400, color: CH.brass }}>estate-led discovery.</span>
      </h2>
      <p style={{ color: CH.inkDim, fontSize: 14.5, lineHeight: 1.6 }}>
        The strongest antique platforms create confidence around taste, provenance, and condition.
        WWW Antique is positioned as a premium marketplace concept where antique furniture,
        decorative arts, books, silver, and ceramics can be presented with clarity and restraint.
      </p>
      <Plate image="media/story.jpg" caption="// 02 · curation · estate · daylight" style={{ height: 320, marginTop: 32 }} />
    </div>

    {/* culture */}
    <div id="m-culture" style={{ padding: '0 22px 64px' }}>
      <Eyebrow>03 — The Collections</Eyebrow>
      <h2 style={{
        marginTop: 22, marginBottom: 32,
        fontFamily: '"Cormorant Garamond", Georgia, serif', fontWeight: 500,
        fontSize: 48, lineHeight: 0.95, letterSpacing: -0.3,
        color: CH.ink,
      }}>
        A name that says<br/>online antiques{' '}
        <span style={{ fontStyle: 'italic', fontWeight: 400, color: CH.inkDim }}>without explanation.</span>
      </h2>
      <div style={{ display: 'grid', gap: 36 }}>
        {cultureItems.map(c => (
          <div key={c.label}>
            <Plate mood={c.mood} image={c.image} caption={c.cap} style={{ height: 280 }} />
            <div style={{ marginTop: 14, display: 'flex', alignItems: 'baseline', gap: 12 }}>
              <span style={{
                fontFamily: 'IBM Plex Mono, monospace', fontSize: 10,
                letterSpacing: 2, color: CH.brass,
              }}>N° {c.n}</span>
              <h3 style={{
                fontFamily: '"Cormorant Garamond", Georgia, serif', fontWeight: 500,
                fontSize: 32, lineHeight: 1, color: CH.ink, margin: 0,
              }}>{c.label}</h3>
            </div>
            <p style={{ marginTop: 8, color: CH.inkDim, fontSize: 14 }}>{c.blurb}</p>
          </div>
        ))}
      </div>
    </div>

    {/* manifesto */}
    <Plate id="m-manifesto" image="media/manifesto.jpg" caption="// 04 · collector · desk" style={{ height: 520 }}>
      <div style={{
        position: 'absolute', inset: 0,
        background: 'radial-gradient(ellipse 80% 60% at 50% 50%, rgba(0,0,0,0.72) 0%, rgba(0,0,0,0.46) 60%, rgba(0,0,0,0.72) 100%)',
      }} />
      <div style={{ position: 'absolute', inset: 0, display: 'flex', alignItems: 'center', justifyContent: 'center', flexDirection: 'column', padding: '0 22px' }}>
        <div style={{ marginBottom: 26 }}><Eyebrow>04 — The Concept</Eyebrow></div>
        <h2 style={{
          margin: 0, textAlign: 'center',
          fontFamily: '"Cormorant Garamond", Georgia, serif', fontWeight: 500,
          fontSize: 50, lineHeight: 0.92, letterSpacing: -0.3,
          color: CH.ink,
        }}>
          Curated objects.<br/>
          Considered.<br/>
          <span style={{ color: CH.brass, fontStyle: 'italic', fontWeight: 400 }}>Timeless.</span>
        </h2>
      </div>
    </Plate>

    {/* marketplace categories */}
    <div id="m-presence" style={{ background: CH.panel, padding: '64px 22px' }}>
      <Eyebrow>05 — The Marketplace</Eyebrow>
      <h2 style={{
        marginTop: 22, marginBottom: 16,
        fontFamily: '"Cormorant Garamond", Georgia, serif', fontWeight: 500,
        fontSize: 38, lineHeight: 0.96, letterSpacing: -0.2,
        color: CH.ink,
      }}>
        Six categories.<br/>
        <span style={{ fontStyle: 'italic', fontWeight: 400, color: CH.brass }}>One refined destination.</span>
      </h2>
      <p style={{ color: CH.inkDim, fontSize: 13.5, lineHeight: 1.6, marginBottom: 28 }}>
        WWW Antique frames each collecting area with clarity, restraint, and the editorial detail serious buyers depend on.
      </p>
      {/* presence cards — 2-col grid */}
      <div style={{ display: 'grid', gridTemplateColumns: '1fr 1fr', gap: 10 }}>
        {presenceNotes.map((m) => (
          <Artifact
            key={m.t}
            label={`N° ${m.n}`}
            contentStyle={{ padding: 16, justifyContent: 'space-between', minHeight: 180 }}
          >
            <div style={{ marginTop: 12, display: 'flex', alignItems: 'center', gap: 10 }}>
              <PresenceGlyph kind={m.kind} size={32} />
              <h3 style={{
                margin: 0, whiteSpace: 'nowrap',
                fontFamily: '"Cormorant Garamond", Georgia, serif', fontWeight: 500,
                fontSize: 20, letterSpacing: 0.2, color: CH.ink,
              }}>{m.t}</h3>
            </div>
            <p style={{
              margin: 0, marginTop: 12,
              fontSize: 12.5, lineHeight: 1.5, color: CH.inkDim,
            }}>{m.d}</p>
          </Artifact>
        ))}
      </div>

      {/* brand line strip */}
      <div style={{
        marginTop: 18, padding: '18px 18px',
        border: `1px solid ${CH.inkFaint}`, background: CH.bg,
        display: 'grid', gap: 10,
      }}>
        <div style={{
          fontFamily: 'IBM Plex Mono, monospace', fontSize: 9,
          letterSpacing: 2, textTransform: 'uppercase', color: CH.inkLow, lineHeight: 1.7,
        }}>Furniture · Silver<br/>Ceramics · Books</div>
        <div style={{
          fontFamily: 'IBM Plex Mono, monospace', fontSize: 9.5,
          letterSpacing: 2, textTransform: 'uppercase', color: CH.brass,
        }}>Curated · Collected · Considered</div>
      </div>
    </div>

    {/* contact */}
    <div id="m-inquiry" style={{ padding: '64px 22px' }}>
      <Eyebrow>06 — Acquire</Eyebrow>
      <h2 style={{
        marginTop: 22, marginBottom: 20,
        fontFamily: '"Cormorant Garamond", Georgia, serif', fontWeight: 500,
        fontSize: 52, lineHeight: 0.95, letterSpacing: -0.4,
        color: CH.ink,
      }}>
        Acquire<br/>
        <span style={{ fontStyle: 'italic', fontWeight: 400, color: CH.brass }}>wwwantique.com</span>
      </h2>
      <p style={{ color: CH.inkDim, fontSize: 13.5, lineHeight: 1.6 }}>
        This page presents an illustrative brand concept for{' '}
        <span style={{ color: CH.ink }}>wwwantique.com</span>. The marketplace shown here is
        a concept direction only. If you are interested in acquiring the domain, send a direct inquiry below.
      </p>

      <div style={{
        marginTop: 32, paddingTop: 22, borderTop: `1px solid ${CH.inkFaint}`,
        display: 'grid', gap: 18,
      }}>
        {[
          { l: 'Domain',    v: 'wwwantique.com' },
          { l: 'Direction', v: 'Curated Antique Marketplace' },
          { l: 'Status',    v: 'Open to serious inquiries' },
        ].map(b => (
          <div key={b.l}>
            <div style={{
              fontFamily: 'IBM Plex Mono, monospace', fontSize: 9.5,
              letterSpacing: 2, textTransform: 'uppercase', color: CH.brass,
            }}>{b.l}</div>
            <div style={{
              marginTop: 4,
              fontFamily: '"Cormorant Garamond", Georgia, serif', fontSize: 20, color: CH.ink, lineHeight: 1.2,
            }}>{b.v}</div>
          </div>
        ))}
      </div>

      <MobileContactForm />
    </div>

    {/* footer */}
    <div id="m-footer" style={{ background: CH.panel, padding: '36px 22px 32px', borderTop: `1px solid ${CH.inkFaint}` }}>
      <div style={{ display: 'flex', alignItems: 'center', gap: 14 }}>
        <CHMark size={36} />
        <div>
          <div style={{ fontFamily: '"Cormorant Garamond", Georgia, serif', fontWeight: 600, fontSize: 20, color: CH.ink, lineHeight: 1 }}>WWW<span style={{ fontWeight: 400, opacity: 0.82 }}> Antique</span></div>
          <div style={{ marginTop: 6, fontFamily: 'IBM Plex Mono, monospace', fontSize: 9, letterSpacing: 2, textTransform: 'uppercase', color: CH.brass }}>Curated antiques for the web.</div>
        </div>
      </div>
      <p style={{
        marginTop: 22, marginBottom: 0,
        fontFamily: 'IBM Plex Mono, monospace', fontSize: 9.5,
        letterSpacing: 1.5, textTransform: 'uppercase', color: CH.inkLow, lineHeight: 1.7,
      }}>
        WWW Antique is an illustrative brand concept for{' '}
        <span style={{ color: CH.inkDim }}>wwwantique.com</span>. It does not represent an active
        antique marketplace, live inventory, dealer network, appraisal service, or auction house.
        The domain may be available for acquisition by the right buyer.
      </p>
      <div style={{
        marginTop: 28, display: 'grid', gridTemplateColumns: '1fr 1fr', gap: 24,
      }}>
        {[
          { h: 'Concept', l: [
            { t: 'Brand Direction', href: '#story' },
            { t: 'Visual Identity', href: '#presence' },
            { t: 'Use Cases',       href: '#culture' },
          ]},
          { h: 'Domain', l: [
            { t: 'wwwantique.com',      href: '#inquiry' },
            { t: 'Acquisition Inquiry', href: '#inquiry' },
            { t: 'Contact',             href: '#inquiry' },
          ]},
        ].map(g => (
          <div key={g.h}>
            <div style={{
              fontFamily: 'IBM Plex Mono, monospace', fontSize: 9,
              letterSpacing: 2, textTransform: 'uppercase', color: CH.inkLow,
              marginBottom: 12,
            }}>{g.h}</div>
            <div style={{ display: 'grid', gap: 6 }}>
              {g.l.map(x => (
                <a key={x.t} href={x.href} style={{
                  fontFamily: '"Cormorant Garamond", Georgia, serif', fontSize: 16, color: CH.ink,
                  letterSpacing: 0.2, lineHeight: 1.2, textDecoration: 'none',
                }}>{x.t}</a>
              ))}
            </div>
          </div>
        ))}
      </div>
      <div style={{
        marginTop: 24, paddingTop: 16, borderTop: `1px solid ${CH.inkFaint}`,
        fontFamily: 'IBM Plex Mono, monospace', fontSize: 9,
        letterSpacing: 2, textTransform: 'uppercase', color: CH.inkLow, lineHeight: 1.8,
      }}>
        © MMXXVI · WWW Antique<br/>Illustrative concept · No active inventory<br/>
        <span style={{ color: CH.brass }}>wwwantique.com — Available for acquisition</span>
      </div>
    </div>
  </div>
);

Object.assign(window, { Desktop, Mobile });