/* MumbleMail — homepage mockup (desktop + mobile)
   System: Antonio (display) / IBM Plex Sans (body) / IBM Plex Mono (eyebrow)
   Palette: graphite #0b0c10 · panel #14151c · steel #6b6f7e · ivory #ece9f4 · lavender #aba0e6
*/

const CH = {
  ink:    '#ece9f4',
  inkDim: 'rgba(206,209,228,0.64)',
  inkLow: 'rgba(206,209,228,0.36)',
  inkFaint:'rgba(206,209,228,0.14)',
  bg:     '#0b0c10',
  panel:  '#14151c',
  steel:  '#6b6f7e',
  brass:  '#aba0e6',
  brassDim:'rgba(171,160,230,0.55)',
  mist:   '#9db8e0',
};

// Public site config. Claude should update site-config.js for each domain.
const SITE = {
  domain: 'mumblemail.com',
  brandName: 'MumbleMail',
  category: 'Premium low-noise email client concept',
  inquiryApi: 'https://inquiries.brianhaberstroh.com/api/inquiry',
  successMessage: 'Thanks — your inquiry for MumbleMail.com has been sent.',
  messagePlaceholder: 'Tell me how you’d use MumbleMail.com or ask about acquiring the domain.',
  ...(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 = 'garage', caption, image, imagePos = 'center', children, style = {}, id }) => {
  const moods = {
    garage: `
      radial-gradient(ellipse 70% 55% at 50% 18%, rgba(171,160,230,0.22), transparent 62%),
      radial-gradient(ellipse 50% 40% at 18% 78%, rgba(120,130,180,0.16), transparent 70%),
      radial-gradient(ellipse 40% 30% at 82% 70%, rgba(20,22,30,0.5), transparent 70%),
      linear-gradient(180deg, #141520 0%, #0c0d12 55%, #060709 100%)`,
    metal: `
      radial-gradient(ellipse 80% 60% at 50% 50%, rgba(140,150,190,0.16), transparent 65%),
      linear-gradient(115deg, #0c0d12 0%, #181a22 50%, #08090c 100%)`,
    road: `
      radial-gradient(ellipse 90% 30% at 50% 100%, rgba(171,160,230,0.16), transparent 60%),
      linear-gradient(180deg, #060709 0%, #0c0d12 60%, #141520 100%)`,
    leather: `
      radial-gradient(ellipse 70% 50% at 60% 40%, rgba(157,184,224,0.18), transparent 62%),
      linear-gradient(160deg, #14151f 0%, #08090c 100%)`,
    workshop: `
      radial-gradient(circle 320px at 70% 30%, rgba(171,160,230,0.26), transparent 60%),
      radial-gradient(circle 220px at 20% 80%, rgba(120,130,180,0.16), transparent 65%),
      linear-gradient(180deg, #14151c 0%, #07080a00 100%), #060709`,
  };
  return (
    <div id={id} style={{
      position: 'relative', overflow: 'hidden',
      background: image
        ? `#050403 url("${image}") ${imagePos} / cover no-repeat`
        : (moods[mood] || moods.garage),
      ...style,
    }}>
      <Grain opacity={image ? 0.25 : 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(0,0,0,0.45) 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(235,229,216,0.42)',
        }}>{caption}</div>
      )}
      {children}
    </div>
  );
};

/* Hero uses the static Plate component above — no video assets are used on this site. */

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>
);

/* MM monogram mark */
const MMMark = ({ 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" />
    {/* M */}
    <path d="M 13 46 L 13 18 L 21 31 L 29 18 L 29 46"
          fill="none" stroke={color} strokeWidth="4" strokeLinecap="square" strokeLinejoin="miter" />
    {/* M */}
    <path d="M 35 46 L 35 18 L 43 31 L 51 18 L 51 46"
          fill="none" stroke={color} strokeWidth="4" strokeLinecap="square" strokeLinejoin="miter" />
    {/* lavender tick */}
    <rect x="30" y="55" width="4" height="4" fill={accent} />
  </svg>
);

/* Wordmark — Antonio, condensed, set tight */
const Wordmark = ({ size = 22, color = CH.ink }) => (
  <span style={{
    fontFamily: 'Antonio, "Saira Condensed", sans-serif',
    fontWeight: 600, fontSize: size, letterSpacing: 0.5,
    color, lineHeight: 1, textTransform: 'none',
    display: 'inline-flex', alignItems: 'baseline', gap: size * 0.18,
  }}>
    <span>Mumble</span><span style={{ fontWeight: 400, opacity: 0.78 }}>Mail</span>
  </span>
);

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

const INQUIRY_API_URL = SITE.inquiryApi;

function useInquiryForm() {
  const [values, setValues] = React.useState({
    name: '', email: '', 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({
          // Visible inquiry fields
          name: values.name,
          email: values.email,
          message: values.message,
          // Hidden/programmatic fields so the recipient can tell this is for mumblemail.com
          domain: SITE.domain,
          category: SITE.category,
          pageUrl: window.location.href,
          referrer: document.referrer,
          submittedAt: new Date().toISOString(),
          website: values.website, // honeypot
        }),
      });
      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@domain.com' },
    { l: 'Message', n: 'message', t: 'area',  r: true, h: 'Your note', 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: 'Antonio, sans-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: 'Antonio, sans-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 shown for illustrative purposes.
          </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,
      }}>Est. MMXXV · Quietly Built</span>
    </div>
    <div style={{ display: 'flex', alignItems: 'center', gap: 40 }}>
      {[['Concept', '#story'], ['Experience', '#culture'], ['Use Case', '#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" caption="// 01 · mumblemail · calm inbox · low light" style={{ height: 880 }}>
    {/* faint horizon detail — subtle base band grounding the composition */}
    <div style={{
      position: 'absolute', left: 0, right: 0, bottom: 0, height: 460,
      background: 'linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.35) 45%, rgba(0,0,0,0.75) 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 — Volume One
    </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',
    }}>
      Focus / Clarity / Quiet
    </div>

    {/* hero copy — left-anchored, lower third */}
    <div style={{
      position: 'absolute', left: 56, bottom: 96, maxWidth: 1120,
    }}>
      <div style={{ marginBottom: 28 }}><Eyebrow>MumbleMail.com</Eyebrow></div>
      <h1 style={{
        fontFamily: 'Antonio, sans-serif', fontWeight: 600,
        fontSize: 148, lineHeight: 0.95, letterSpacing: -1.5,
        margin: 0, color: CH.ink,
      }}>
        Email,<br />
        <span style={{ color: CH.ink, fontWeight: 400 }}>without the </span>
        <span style={{
          fontStyle: 'italic', fontFamily: '"Instrument Serif", serif', fontSize: '0.82em', lineHeight: 1.05,
          color: CH.brass, fontWeight: 500,
        }}>noise.</span>
      </h1>
      <p style={{
        marginTop: 84, marginBottom: 0, maxWidth: 560,
        fontSize: 17, lineHeight: 1.55, color: CH.inkDim,
      }}>
        A calm premium email client concept for quieter communication, clearer threads,
        and an inbox that feels less like a room full of alarms.
      </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 MumbleMail.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}`,
        }}>
          View Brand 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 · calm message layers" style={{ height: 720 }} />

    <div style={{ paddingTop: 24, alignSelf: 'start' }}>
      <Eyebrow>02 — The Concept</Eyebrow>
      <h2 style={{
        marginTop: 36, marginBottom: 36, maxWidth: 660,
        fontFamily: 'Antonio, sans-serif', fontWeight: 500,
        fontSize: 72, lineHeight: 0.98, letterSpacing: -0.5,
        color: CH.ink,
      }}>
        A quieter way to<br />
        imagine<br />
        <span style={{ fontStyle: 'italic', fontFamily: '"Instrument Serif", serif', fontSize: '0.82em', lineHeight: 1.05, color: CH.brass, fontWeight: 400 }}>email.</span>
      </h2>
      <p style={{
        fontSize: 18, lineHeight: 1.6, color: CH.inkDim, maxWidth: 520, margin: 0,
      }}>
        MumbleMail is a premium brand concept for an email experience built around focus
        instead of friction. The name suggests softer communication, less inbox noise, and
        a product that helps messages feel intentional again.
      </p>

      <div style={{
        marginTop: 64, paddingTop: 36, borderTop: `1px solid ${CH.inkFaint}`,
        display: 'grid', gridTemplateColumns: 'repeat(3, 1fr)', gap: 40, maxWidth: 580,
      }}>
        {[
          { n: 'Calm',  l: 'Inbox surfaces' },
          { n: 'Clear', l: 'Organized message flow' },
          { n: 'Quiet', l: 'Less notification pressure' },
        ].map(s => (
          <div key={s.l}>
            <div style={{
              fontFamily: 'Antonio, sans-serif', fontWeight: 500,
              fontSize: 56, 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: 'Surfaces', mood: 'metal',   image: 'media/parts.jpg',   h: 560, blurb: 'Soft, uncluttered surfaces that let each message breathe instead of competing for attention.', cap: '// soft glass · quiet surface' },
  { n: '02', label: 'Threads',  mood: 'garage',  image: 'media/builds.jpg',  h: 720, blurb: 'Conversations gathered into clean, readable threads, so nothing important gets buried.',         cap: '// threads · neatly stacked' },
  { n: '03', label: 'Alerts',   mood: 'leather', image: 'media/apparel.jpg', h: 720, blurb: 'Fewer interruptions by default. Notifications arrive gently, on your terms, without the buzz.',     cap: '// one quiet signal' },
  { n: '04', label: 'Signals',  mood: 'road',    image: 'media/culture.jpg', h: 560, blurb: 'Messages that travel with intention — a calmer flow of communication, from end to end.',            cap: '// calm communication flow' },
];

const DesktopCulture = () => (
  <div id="culture" style={{ background: CH.bg, padding: '40px 56px 180px' }}>
    {/* section header — runs across the page */}
    <div style={{
      display: 'flex', alignItems: 'flex-end', justifyContent: 'space-between',
      paddingBottom: 56, borderBottom: `1px solid ${CH.inkFaint}`, marginBottom: 64,
    }}>
      <div>
        <Eyebrow>03 — The Experience</Eyebrow>
        <h2 style={{
          marginTop: 28, marginBottom: 0, maxWidth: 900,
          fontFamily: 'Antonio, sans-serif', fontWeight: 500,
          fontSize: 96, lineHeight: 0.95, letterSpacing: -0.8,
          color: CH.ink,
        }}>
          Four parts of a<br />
          <span style={{ fontStyle: 'italic', fontFamily: '"Instrument Serif", serif', fontSize: '0.82em', lineHeight: 1.05, fontWeight: 400, color: CH.inkDim }}>calmer inbox.</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,
      }}>
        Surfaces · Threads<br/>Alerts · Signals
      </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: 'Antonio, sans-serif', fontWeight: 500,
                fontSize: 44, lineHeight: 1, letterSpacing: -0.3,
                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',
            }}>Enter →</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" caption="// 04 · a calmer work ritual" style={{ height: 700 }}>
    {/* darken to make headline readable on top of the photo */}
    <div style={{
      position: 'absolute', inset: 0,
      background: 'radial-gradient(ellipse 70% 60% at 50% 50%, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.4) 50%, rgba(0,0,0,0.65) 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 — Manifesto</Eyebrow></div>
      <h2 style={{
        margin: 0, textAlign: 'center',
        fontFamily: 'Antonio, sans-serif', fontWeight: 500,
        fontSize: 128, lineHeight: 0.92, letterSpacing: -1.2,
        color: CH.ink,
      }}>
        Less urgency.<br />
        More intention.<br />
        <span style={{ color: CH.brass, fontStyle: 'italic', fontFamily: '"Instrument Serif", serif', fontSize: '0.82em', lineHeight: 1.05, fontWeight: 400 }}>Quietly yours.</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>Designed for messages that deserve focus</span>
        <span style={{ width: 32, height: 1, background: CH.inkFaint }} />
      </div>
    </div>
  </Plate>
);

/* Artifact card — looks like a physical brand object (patch, tag, plate, stamp).
   Adds corner ticks, stitched border option, brass label tab, and subtle texture. */
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(235,229,216,0.04)',
    ...style,
  }}>
    {/* corner ticks — like rivets / brass corner brackets on a build plate */}
    {[
      { 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(184,118,42,0.32)`,
      }} />
    )}
    {/* 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: 'Calm Surfaces',  kind: 'surface', d: 'Quiet, low-contrast surfaces that feel restful to open and easy to stay inside.' },
  { n: '02', t: 'Clear Threads',  kind: 'threads', d: 'Conversations stay organized and readable, so the things that matter rise to the top.' },
  { n: '03', t: 'Soft Signals',   kind: 'signal',  d: 'Notifications that whisper instead of shout, arriving with intention rather than urgency.' },
  { n: '04', t: 'Focused Reading',kind: 'focus',   d: 'Generous space and gentle typography make every message easier to actually read.' },
  { n: '05', t: 'Private by Feel', kind: 'shield', d: 'Privacy-aware without feeling cold — calm and considered by default, never paranoid.' },
  { n: '06', t: 'A Soft Name',    kind: 'name',    d: 'A distinctive, easy-to-say sound that sets the brand apart from sterile productivity tools.' },
];

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 'surface': // stacked calm panels
      return (
        <svg viewBox={`0 0 ${s} ${s}`} width={s} height={s}>
          <rect x={s*0.16} y={s*0.28} width={s*0.68} height={s*0.16} rx={s*0.03} fill="none" stroke={stroke} strokeWidth="1.2" />
          <rect x={s*0.16} y={s*0.52} width={s*0.68} height={s*0.16} rx={s*0.03} fill="none" stroke={dim} strokeWidth="1" />
        </svg>
      );
    case 'threads': // aligned thread rows
      return (
        <svg viewBox={`0 0 ${s} ${s}`} width={s} height={s}>
          {[0.32, 0.50, 0.68].map((y, i) => (
            <g key={i}>
              <circle cx={s*0.24} cy={s*y} r={s*0.035} fill={i === 0 ? stroke : dim} />
              <line x1={s*0.34} y1={s*y} x2={s*0.80} y2={s*y} stroke={i === 0 ? stroke : dim} strokeWidth="1.2" />
            </g>
          ))}
        </svg>
      );
    case 'signal': // soft radiating signal
      return (
        <svg viewBox={`0 0 ${s} ${s}`} width={s} height={s}>
          <circle cx={s*0.30} cy={s*0.70} r={s*0.05} fill={stroke} />
          <path d={`M ${s*0.40} ${s*0.60} A ${s*0.15} ${s*0.15} 0 0 1 ${s*0.40} ${s*0.80}`} fill="none" stroke={dim} strokeWidth="1.1" />
          <path d={`M ${s*0.50} ${s*0.50} A ${s*0.28} ${s*0.28} 0 0 1 ${s*0.50} ${s*0.90}`} fill="none" stroke={dim} strokeWidth="0.9" opacity="0.7" />
        </svg>
      );
    case 'focus': // concentric focus ring
      return (
        <svg viewBox={`0 0 ${s} ${s}`} width={s} height={s}>
          <circle cx={cx} cy={cy} r={s*0.30} fill="none" stroke={dim} strokeWidth="1" />
          <circle cx={cx} cy={cy} r={s*0.13} fill="none" stroke={stroke} strokeWidth="1.3" />
          <circle cx={cx} cy={cy} r={s*0.02} fill={stroke} />
        </svg>
      );
    case 'shield': // soft shield + check
      return (
        <svg viewBox={`0 0 ${s} ${s}`} width={s} height={s}>
          <path d={`M ${cx} ${s*0.18} L ${s*0.74} ${s*0.30} L ${s*0.74} ${s*0.54} Q ${s*0.74} ${s*0.74} ${cx} ${s*0.84} Q ${s*0.26} ${s*0.74} ${s*0.26} ${s*0.54} L ${s*0.26} ${s*0.30} Z`} fill="none" stroke={stroke} strokeWidth="1.2" />
          <path d={`M ${s*0.40} ${s*0.50} L ${s*0.47} ${s*0.58} L ${s*0.62} ${s*0.42}`} fill="none" stroke={dim} strokeWidth="1.1" />
        </svg>
      );
    case 'name': // soft mumble waveform
      return (
        <svg viewBox={`0 0 ${s} ${s}`} width={s} height={s}>
          {[0.30, 0.43, 0.57, 0.70].map((x, i) => {
            const heights = [0.18, 0.32, 0.24, 0.14];
            const h = s * heights[i];
            return <line key={i} x1={s*x} y1={cy - h/2} x2={s*x} y2={cy + h/2} stroke={i === 1 ? stroke : dim} strokeWidth="2" strokeLinecap="round" />;
          })}
        </svg>
      );
  }
};

const DesktopIdentity = () => (
  <div id="presence" style={{ background: CH.panel, padding: '160px 56px 160px', position: 'relative' }}>
    {/* faint workshop wash behind */}
    <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 — Presence</Eyebrow>
        <h2 style={{
          marginTop: 28, marginBottom: 0,
          fontFamily: 'Antonio, sans-serif', fontWeight: 500,
          fontSize: 80, lineHeight: 0.96, letterSpacing: -0.6,
          color: CH.ink,
        }}>
          The inbox feels calm.<br/>
          <span style={{ fontStyle: 'italic', fontFamily: '"Instrument Serif", serif', fontSize: '0.82em', lineHeight: 1.05, color: CH.brass, fontWeight: 400 }}>The noise stays outside.</span>
        </h2>
      </div>
      <div style={{
        maxWidth: 420,
        fontSize: 15.5, lineHeight: 1.65, color: CH.inkDim, paddingBottom: 12,
      }}>
        MumbleMail doesn't need to shout. Quiet surfaces, organized threads, and soft signals do the talking — privacy-aware, never cold.
      </div>
    </div>

    {/* Six presence 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: 'Antonio, sans-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 — brand line */}
    <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>Calm surfaces · Clear threads · Soft signals · Quiet focus</span>
      <span>Quiet by default · Clear by design</span>
      <span style={{ color: CH.brass }}>Calm · Clear · 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@domain.com' },
  ];
  return (
    <div id="inquiry" style={{
      background: CH.bg, padding: '180px 56px',
      display: 'grid', gridTemplateColumns: '1fr 1fr', gap: 96,
    }}>
      <div>
        <Eyebrow>06 — Inquire</Eyebrow>
        <h2 style={{
          marginTop: 28, marginBottom: 36, maxWidth: 700,
          fontFamily: 'Antonio, sans-serif', fontWeight: 500,
          fontSize: 96, lineHeight: 0.95, letterSpacing: -0.8,
          color: CH.ink,
        }}>
          Acquire<br/>
          <span style={{ fontStyle: 'italic', fontFamily: '"Instrument Serif", serif', fontSize: '0.82em', lineHeight: 1.05, color: CH.brass, fontWeight: 400 }}>MumbleMail.com</span>
        </h2>
        <p style={{ maxWidth: 460, fontSize: 16, lineHeight: 1.6, color: CH.inkDim, margin: 0 }}>
          This page is an illustrative brand concept showing one possible direction for <span style={{ color: CH.ink }}>MumbleMail.com</span>. The domain may be available for acquisition by the right buyer, founder, or product team building in email, productivity, privacy, or digital communication.
        </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: 'MumbleMail.com' },
            { l: 'Direction', v: 'Low-noise email concept' },
            { 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: 'Antonio, sans-serif', fontSize: 22, color: CH.ink, lineHeight: 1.2,
              }}>
                {b.v}
              </div>
            </div>
          ))}
        </div>

        {/* small honesty note tucked under the info blocks */}
        <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,
          }}>
            This is an illustrative brand concept. Not affiliated with any email provider.
          </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: 'Antonio, sans-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 }}>Your note</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: 'Antonio, sans-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.
              </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 }}>
          <MMMark size={48} />
          <div>
            <div style={{
              fontFamily: 'Antonio, sans-serif', fontWeight: 600, fontSize: 28,
              color: CH.ink, lineHeight: 1, letterSpacing: 0.4,
            }}>Mumble<span style={{ fontWeight: 400, opacity: 0.78 }}>Mail</span></div>
            <div style={{
              marginTop: 8,
              fontFamily: 'IBM Plex Mono, monospace', fontSize: 10,
              letterSpacing: 2.2, textTransform: 'uppercase', color: CH.brass,
            }}>Email, without the noise.</div>
          </div>
        </div>
        <p style={{
          marginTop: 28, marginBottom: 0, maxWidth: 360,
          fontFamily: 'IBM Plex Mono, monospace', fontSize: 10,
          letterSpacing: 1.2, textTransform: 'uppercase', color: CH.inkLow, lineHeight: 1.8,
        }}>
          <span style={{ color: CH.inkDim }}>MumbleMail.com</span> is presented as an illustrative brand concept for domain acquisition purposes. It is not currently represented as an operating email service. This concept is independent and is not affiliated with Gmail, Outlook, Apple Mail, Proton, or any other email provider.
        </p>
      </div>
      {[
        { h: 'Concept', l: [
          { t: 'Brand Direction', href: '#story' },
          { t: 'Visual Identity', href: '#presence' },
          { t: 'Use Cases',       href: '#culture' },
        ]},
        { h: 'Domain', l: [
          { t: 'MumbleMail.com',      href: '#inquiry' },
          { t: 'Acquisition Inquiry', href: '#inquiry' },
          { t: 'Contact',             href: '#inquiry' },
        ]},
        { h: 'Note', l: [
          { t: 'Independent Concept',      href: null },
          { t: 'No Provider Affiliation',  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: 'Antonio, sans-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 · MumbleMail · Concept presentation</span>
      <span>Independently owned · Available for acquisition</span>
      <span style={{ color: CH.brass }}>Volume One — 001</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" caption="// 01 · calm inbox" style={{ height: 720, paddingTop: 100 }}>
      <div style={{
        position: 'absolute', left: 0, right: 0, bottom: 0, height: 380,
        background: 'linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.4) 50%, rgba(0,0,0,0.8) 100%)',
      }} />
      <div style={{
        position: 'absolute', left: 22, bottom: 56, right: 22,
      }}>
        <div style={{ marginBottom: 18 }}><Eyebrow>MumbleMail.com</Eyebrow></div>
        <h1 style={{
          fontFamily: 'Antonio, sans-serif', fontWeight: 600,
          fontSize: 64, lineHeight: 0.9, letterSpacing: -0.6,
          margin: 0, color: CH.ink,
        }}>
          Email,<br/>
          <span style={{ fontStyle: 'italic', fontFamily: '"Instrument Serif", serif', fontSize: '0.82em', lineHeight: 1.05, color: CH.brass, fontWeight: 500 }}>without the noise.</span>
        </h1>
        <p style={{ marginTop: 52, color: CH.inkDim, fontSize: 14, lineHeight: 1.55 }}>
          A calm premium email client concept for quieter communication, clearer threads, and a less exhausting inbox.
        </p>
        <a href="#story" 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',
        }}>
          View Brand Concept
          <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 Concept</Eyebrow>
      <h2 style={{
        marginTop: 22, marginBottom: 20,
        fontFamily: 'Antonio, sans-serif', fontWeight: 500,
        fontSize: 44, lineHeight: 0.98, letterSpacing: -0.3,
        color: CH.ink,
      }}>
        A quieter way to imagine <span style={{ fontStyle: 'italic', fontFamily: '"Instrument Serif", serif', fontSize: '0.82em', lineHeight: 1.05, color: CH.brass, fontWeight: 400 }}>email.</span>
      </h2>
      <p style={{ color: CH.inkDim, fontSize: 14.5, lineHeight: 1.6 }}>
        MumbleMail is a premium brand concept for an email experience built around focus instead of friction — softer communication, less inbox noise, messages that feel intentional again.
      </p>
      <Plate image="media/story.jpg" caption="// 02 · calm message layers" style={{ height: 320, marginTop: 32 }} />
    </div>

    {/* culture */}
    <div id="m-culture" style={{ padding: '0 22px 64px' }}>
      <Eyebrow>03 — The Experience</Eyebrow>
      <h2 style={{
        marginTop: 22, marginBottom: 32,
        fontFamily: 'Antonio, sans-serif', fontWeight: 500,
        fontSize: 52, lineHeight: 0.95, letterSpacing: -0.4,
        color: CH.ink,
      }}>
        Four parts<br/>of a <span style={{ fontStyle: 'italic', fontFamily: '"Instrument Serif", serif', fontSize: '0.82em', lineHeight: 1.05, color: CH.inkDim, fontWeight: 400 }}>calmer inbox.</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: 'Antonio, sans-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 · a calmer work ritual" style={{ height: 520 }}>
      <div style={{
        position: 'absolute', inset: 0,
        background: 'radial-gradient(ellipse 80% 60% at 50% 50%, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.45) 60%, rgba(0,0,0,0.7) 100%)',
      }} />
      <div style={{ position: 'absolute', inset: 0, display: 'flex', alignItems: 'center', justifyContent: 'center', flexDirection: 'column', padding: '0 22px' }}>
        <div style={{ marginBottom: 26 }}><Eyebrow>04 — Manifesto</Eyebrow></div>
        <h2 style={{
          margin: 0, textAlign: 'center',
          fontFamily: 'Antonio, sans-serif', fontWeight: 500,
          fontSize: 56, lineHeight: 0.92, letterSpacing: -0.4,
          color: CH.ink,
        }}>
          Less urgency.<br/>
          More intention.<br/>
          <span style={{ color: CH.brass, fontStyle: 'italic', fontFamily: '"Instrument Serif", serif', fontSize: '0.82em', lineHeight: 1.05, fontWeight: 400 }}>Quietly yours.</span>
        </h2>
      </div>
    </Plate>

    {/* presence */}
    <div id="m-presence" style={{ background: CH.panel, padding: '64px 22px' }}>
      <Eyebrow>05 — Presence</Eyebrow>
      <h2 style={{
        marginTop: 22, marginBottom: 16,
        fontFamily: 'Antonio, sans-serif', fontWeight: 500,
        fontSize: 40, lineHeight: 0.96, letterSpacing: -0.3,
        color: CH.ink,
      }}>
        The inbox feels calm.<br/>
        <span style={{ fontStyle: 'italic', fontFamily: '"Instrument Serif", serif', fontSize: '0.82em', lineHeight: 1.05, color: CH.brass, fontWeight: 400 }}>The noise stays outside.</span>
      </h2>
      <p style={{ color: CH.inkDim, fontSize: 13.5, lineHeight: 1.6, marginBottom: 28 }}>
        MumbleMail doesn't need to shout. Quiet surfaces, organized threads, and soft signals do the talking — privacy-aware, never cold.
      </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: 'Antonio, sans-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,
        }}>Calm surfaces · Clear threads<br/>Soft signals · Quiet focus</div>
        <div style={{
          fontFamily: 'IBM Plex Mono, monospace', fontSize: 9.5,
          letterSpacing: 2, textTransform: 'uppercase', color: CH.brass,
        }}>Calm · Clear · Considered</div>
      </div>
    </div>

    {/* contact */}
    <div id="m-inquiry" style={{ padding: '64px 22px' }}>
      <Eyebrow>06 — Inquire</Eyebrow>
      <h2 style={{
        marginTop: 22, marginBottom: 20,
        fontFamily: 'Antonio, sans-serif', fontWeight: 500,
        fontSize: 56, lineHeight: 0.95, letterSpacing: -0.5,
        color: CH.ink,
      }}>
        Acquire<br/>
        <span style={{ fontStyle: 'italic', fontFamily: '"Instrument Serif", serif', fontSize: '0.82em', lineHeight: 1.05, color: CH.brass, fontWeight: 400 }}>MumbleMail.com</span>
      </h2>
      <p style={{ color: CH.inkDim, fontSize: 13.5, lineHeight: 1.6 }}>
        This page is an illustrative brand concept for <span style={{ color: CH.ink }}>MumbleMail.com</span>. The domain may be available for acquisition by the right buyer, founder, or product team building in email, productivity, privacy, or communication.
      </p>

      <div style={{
        marginTop: 32, paddingTop: 22, borderTop: `1px solid ${CH.inkFaint}`,
        display: 'grid', gap: 18,
      }}>
        {[
          { l: 'Domain',    v: 'MumbleMail.com' },
          { l: 'Direction', v: 'Low-noise email concept' },
          { 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: 'Antonio, sans-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 }}>
        <MMMark size={36} />
        <div>
          <div style={{ fontFamily: 'Antonio, sans-serif', fontWeight: 600, fontSize: 22, color: CH.ink, lineHeight: 1 }}>Mumble<span style={{ fontWeight: 400, opacity: 0.78 }}>Mail</span></div>
          <div style={{ marginTop: 6, fontFamily: 'IBM Plex Mono, monospace', fontSize: 9, letterSpacing: 2, textTransform: 'uppercase', color: CH.brass }}>Email, without the noise.</div>
        </div>
      </div>
      <p style={{
        marginTop: 22, marginBottom: 0,
        fontFamily: 'IBM Plex Mono, monospace', fontSize: 9,
        letterSpacing: 1.2, textTransform: 'uppercase', color: CH.inkLow, lineHeight: 1.8,
      }}>
        <span style={{ color: CH.inkDim }}>MumbleMail.com</span> is presented as an illustrative brand concept for domain acquisition purposes. It is not currently represented as an operating email service. This concept is independent and is not affiliated with Gmail, Outlook, Apple Mail, Proton, or any other email provider.
      </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: 'MumbleMail.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: 'Antonio, sans-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 · MumbleMail<br/>Independent concept · No provider affiliation<br/>
        <span style={{ color: CH.brass }}>Volume One — 001</span>
      </div>
    </div>
  </div>
);

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