/* Self-hosted fonts (latin) — no external font requests */
@font-face{font-family:'Source Sans 3';font-style:normal;font-weight:400 700;font-display:swap;src:url('fonts/SourceSans3-VF.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:swap;src:url('fonts/IBMPlexMono-400.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:600;font-display:swap;src:url('fonts/IBMPlexMono-600.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:700;font-display:swap;src:url('fonts/IBMPlexMono-700.woff2') format('woff2')}

  :root{
    /* Convey brand — theme.py BRAND["teal"] */
    --brand:#0d5c6b; --brand-h:#0a4250; --ink:#003b49; --accent:#14a3b8;
    --tint:#e6f4f5; --tint-border:#b3dfe4; --focus:#cdebef;
    /* neutrals — theme.py _LIGHT_UI */
    --text:#31333f; --gray:#5a6172; --muted:#667085; --disabled:#9499a8;
    --bg:#ffffff; --surface:#f7f8fa; --field:#f0f2f6; --band:#f4f5f8;
    --border:#ececf0; --border-strong:#c8ccd4;
    /* dark — theme.py _DARK_UI + BRAND teal/dark */
    --dark-bg:#12141c; --dark-surface:#1a1d27; --dark-hover:#222633; --dark-border:#262a36;
    --dark-text:#e6e8f0; --dark-sec:#b0b5c5; --dark-muted:#8b90a3;
    --dark-brand:#0d7d8f; --dark-accent:#2cc3d6;
    /* stage spectrum — theme.py STAGE_COLORS["original"] */
    --stage-grad:linear-gradient(90deg,#5a67e8,#2f8fd6,#2fa84f,#e3a72f,#ee6a45,#c2569f);
    /* the only two shadow recipes */
    --shadow-sm:0 1px 3px rgba(0,0,0,0.04);
    --shadow-card:0 1px 2px rgba(0,0,0,.04), 0 10px 24px rgba(0,0,0,0.06);
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{font-family:'Source Sans 3',system-ui,sans-serif;color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
  .wrap{max-width:1120px;margin:0 auto;padding:0 28px}
  a{color:inherit;text-decoration:none}
  .eyebrow{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--brand);font-weight:600}
  .seccap{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--disabled);font-weight:600}
  .thread{width:200px;height:3px;border-radius:2px;background:var(--stage-grad)}

  /* reveal — the one animation */
  @keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
  .rise{opacity:0;animation:rise .7s cubic-bezier(.2,.7,.3,1) forwards}
  @media(prefers-reduced-motion:reduce){.rise{animation:none;opacity:1;transform:none}}

  /* buttons */
  .btn{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;min-height:44px;padding:10px 22px;border-radius:8px;transition:background .2s,border-color .2s,color .2s;cursor:pointer;border:1px solid transparent}
  .btn:focus-visible{outline:none;box-shadow:0 0 0 3px var(--focus)}
  .btn-primary{background:var(--brand);color:#fff!important}
  .btn-primary:hover{background:var(--brand-h)}
  .btn-ghost{background:#fff;color:var(--brand);border-color:var(--border)}
  .btn-ghost:hover{border-color:var(--brand)}

  /* nav */
  header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
  nav{display:flex;align-items:center;justify-content:space-between;height:72px;position:relative}
  .logo{display:flex;align-items:center}
  .logo svg{height:44px;width:auto;display:block}
  .navlinks{display:flex;align-items:center;gap:30px}
  .navlinks a:not(.btn){font-size:14.5px;color:var(--text);transition:color .2s}
  .navlinks a:not(.btn):hover{color:var(--brand)}
  .navlinks a.active{background:var(--tint);color:var(--brand);font-weight:600;border-radius:100px;padding:7px 16px}
  .navtoggle{display:none;background:none;border:1px solid var(--border);border-radius:8px;width:42px;height:42px;cursor:pointer;align-items:center;justify-content:center}
  .navtoggle:focus-visible{outline:none;box-shadow:0 0 0 3px var(--focus)}
  .navtoggle svg{display:block}
  @media(max-width:760px){
    .navtoggle{display:flex}
    .navlinks{display:none}
    .navlinks.open{display:flex;flex-direction:column;align-items:stretch;gap:4px;position:absolute;top:71px;left:-28px;right:-28px;background:#fff;border-bottom:1px solid var(--border);box-shadow:var(--shadow-card);padding:14px 28px 20px}
    .navlinks.open a:not(.btn){padding:10px 4px;font-size:16px;border-bottom:1px solid var(--border)}
    .navlinks.open a.active{background:var(--tint);color:var(--brand);border-radius:8px;padding:10px 12px;border-bottom:none}
    .navlinks.open .btn{margin-top:10px;justify-content:center}
  }

  /* cards */
  .card{background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-card)}
  .chip{width:30px;height:30px;border-radius:9px;background:var(--tint);display:flex;align-items:center;justify-content:center;flex:0 0 auto}
  .chip svg{display:block}

  /* capability card */
  .cap{padding:22px 24px}
  .cap .hd{display:flex;align-items:center;gap:10px;margin-bottom:10px}
  .cap h3{font-size:15px;font-weight:700;color:var(--text)}
  .cap p{font-size:13.5px;color:var(--gray);line-height:1.55}
  .cap .k{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.16em;color:var(--brand);text-transform:uppercase;font-weight:600;margin-bottom:12px}

  /* count tile */
  .tile{padding:20px 22px}
  .tile .bar{width:26px;height:3px;border-radius:2px;background:var(--brand);margin-bottom:12px}
  .tile .num{font-family:'IBM Plex Mono',monospace;font-size:30px;font-weight:700;letter-spacing:-0.02em;color:var(--text);line-height:1.15}
  .tile .lb{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:6px}
  .tile p{font-size:13px;color:var(--gray);line-height:1.5;margin-top:8px}

  /* tinted callout — the "objinfo" pattern */
  .callout{background:var(--tint);border:1px solid var(--tint-border);border-radius:13px;padding:16px 20px;color:var(--brand)}
  .callout b{color:var(--ink)}

  /* pills */
  .sys-pills{display:flex;flex-wrap:wrap;gap:11px;margin-bottom:22px}
  .pill{font-size:13.5px;font-weight:600;color:var(--ink);background:var(--field);border:1px solid var(--border);border-radius:100px;padding:9px 18px;font-family:'IBM Plex Mono',monospace}
  .pill-muted{color:var(--muted);font-weight:400;background:transparent}

  /* migration chain — tiles on a gradient rail */
  .chain{position:relative;display:flex;align-items:flex-start;gap:14px;margin:26px 0 8px}
  .chain-rail{position:absolute;left:7.5%;right:7.5%;top:27px;height:2px;border-radius:1px;background:var(--stage-grad);opacity:.3}
  .cstep{flex:1;display:flex;flex-direction:column;align-items:center;text-align:center;position:relative;min-width:0}
  .ctile{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-family:'IBM Plex Mono',monospace;font-size:15px;font-weight:600}
  .cstep .nm{font-size:13.5px;font-weight:600;color:var(--text);margin-top:11px}
  .cstep .ds{font-size:11.5px;color:var(--muted);line-height:1.4;margin-top:2px;max-width:140px}
  /* stage colors, light context — STAGE_COLORS original/light */
  .sg1{background:#ecedfb;color:#5a67e8}.sg2{background:#e6f1fa;color:#2f8fd6}.sg3{background:#e7f6ec;color:#2fa84f}
  .sg4{background:#fbf3df;color:#e3a72f}.sg5{background:#fde9e3;color:#ee6a45}.sg6{background:#f8e8f2;color:#c2569f}
  /* stage colors, dark context — STAGE_COLORS original/dark */
  .convey .sg1{background:#1c2046;color:#858ff0}.convey .sg2{background:#112a40;color:#5fb0ee}.convey .sg3{background:#112b1a;color:#4fc877}
  .convey .sg4{background:#2d2410;color:#eebb55}.convey .sg5{background:#34190f;color:#f5896b}.convey .sg6{background:#2e1a28;color:#d782ba}
  @media(max-width:860px){.chain{flex-wrap:wrap;row-gap:24px}.chain-rail{display:none}.cstep{flex:1 1 30%}}

  /* section base */
  section.block{padding:90px 0}
  .sec-head{max-width:680px;margin-bottom:46px}
  .sec-head h2{font-size:36px;letter-spacing:-0.015em;color:var(--ink);font-weight:700;margin:12px 0 14px;line-height:1.12}
  .sec-head p{font-size:17px;color:var(--gray)}

  /* hero */
  .hero{position:relative;overflow:hidden;padding:92px 0 84px}
  .hero-bg{position:absolute;inset:0;pointer-events:none;opacity:.55;background:radial-gradient(680px 420px at 78% 30%, var(--tint) 0%, transparent 60%)}
  .hero h1{font-size:54px;line-height:1.08;letter-spacing:-0.015em;color:var(--ink);font-weight:700;margin:18px 0 22px}
  .hero h1 em{font-style:normal;color:var(--brand)}
  .hero p.lead{font-size:19px;color:var(--gray);max-width:560px;margin-bottom:32px}
  .hero-cta{display:flex;gap:13px;flex-wrap:wrap}
  @media(max-width:860px){.hero h1{font-size:40px}}

  /* dark convey section */
  .convey{background:var(--dark-bg);color:var(--dark-sec);position:relative;overflow:hidden}
  .convey .eyebrow{color:var(--dark-accent)}
  .convey h2{color:var(--dark-text)}
  .convey .sec-head p{color:var(--dark-sec)}
  .convey .cstep .nm{color:var(--dark-text)}
  .convey .cstep .ds{color:var(--dark-muted)}
  .convey .card{background:var(--dark-surface);border-color:var(--dark-border);box-shadow:none}
  .convey .tile .num{color:var(--dark-text)}
  .convey .tile .bar{background:var(--dark-accent)}
  .convey .tile .lb{color:var(--dark-muted)}
  .convey .tile p{color:var(--dark-muted)}
  .convey-logo{margin-bottom:20px}
  .convey-logo svg{height:40px;width:auto;display:block}
  /* recon callout, dark recon tokens */
  .recon{display:flex;align-items:center;gap:12px;background:#0e2528;border:1px solid #1d4a50;border-radius:13px;padding:15px 18px;font-size:14.5px;color:var(--dark-sec);margin-top:26px}
  .recon b{color:#5ed4c4}
  .recon .ic{flex:0 0 auto;width:34px;height:34px;border-radius:9px;background:rgba(94,212,196,.12);display:flex;align-items:center;justify-content:center}
  .convey-pts{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:18px;margin-top:42px}

  /* browser mockup */
  .browser{margin-top:50px;border-radius:16px;overflow:hidden;box-shadow:var(--shadow-card);border:1px solid var(--dark-border);background:#fff}
  .browser-bar{display:flex;align-items:center;gap:7px;padding:11px 16px;background:var(--dark-surface);border-bottom:1px solid var(--dark-border)}
  .browser-bar .bd{width:11px;height:11px;border-radius:50%;background:var(--dark-hover)}
  .browser-bar .url{margin-left:14px;font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--dark-muted);background:var(--dark-bg);border:1px solid var(--dark-border);border-radius:6px;padding:4px 16px}
  .browser.on-light{border-color:var(--border)}
  .browser.on-light .browser-bar{background:var(--field);border-color:var(--border)}
  .browser.on-light .browser-bar .bd{background:var(--border-strong)}
  .browser.on-light .browser-bar .url{color:var(--muted);background:#fff;border-color:var(--border)}
  .app-shot{display:block;width:100%;height:auto}

  /* approach cards */
  .steps-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  @media(max-width:680px){.steps-list{grid-template-columns:1fr}}
  .acard{border:1px solid var(--border);border-radius:16px;padding:26px;background:#fff;box-shadow:var(--shadow-sm);transition:border-color .2s}
  .acard:hover{border-color:var(--border-strong)}
  .acard .num{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--brand);font-weight:600;letter-spacing:.16em;text-transform:uppercase}
  .acard h3{font-size:19px;color:var(--ink);margin:10px 0 7px;font-weight:700}
  .acard p{font-size:14.5px;color:var(--gray)}

  /* grids */
  .grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:18px}
  .grid4{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:16px}

  /* values band */
  .values{border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--band);padding:56px 0}

  /* about */
  .about{background:#fff}
  .about-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:46px;align-items:center}
  .about-card{background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-card);padding:30px;text-align:center}
  .about-card .av-photo{width:112px;height:112px;border-radius:24px;margin:0 auto 16px;display:block;object-fit:cover;border:1px solid var(--border)}
  .about-card .nm{font-size:20px;font-weight:700;color:var(--ink)}
  .about-card .ro{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--muted);letter-spacing:.06em;margin-top:4px;text-transform:uppercase}
  .about-text p{font-size:16.5px;color:var(--text);margin-bottom:16px}
  .about-text p:last-child{margin-bottom:0}
  @media(max-width:760px){.about-grid{grid-template-columns:1fr}}

  /* cta */
  .cta{padding:90px 0}
  .cta-card{text-align:center;background:var(--tint);border:1px solid var(--tint-border);border-radius:16px;padding:64px 32px}
  .cta h2{font-size:38px;letter-spacing:-0.015em;color:var(--ink);font-weight:700;margin:12px 0 14px}
  .cta p{font-size:18px;color:var(--gray);max-width:520px;margin:0 auto 30px}
  .cta .hero-cta{justify-content:center}

  /* footer */
  footer{background:var(--dark-bg);color:var(--dark-muted);padding:54px 0 30px}
  .foot-top{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:30px;padding-bottom:34px;border-bottom:1px solid var(--dark-border)}
  .foot-brand svg{height:46px;width:auto;display:block}
  .foot-contact{font-size:14.5px;text-align:right}
  .foot-contact a{color:var(--dark-sec);font-weight:600}
  .foot-contact a:hover{color:var(--dark-text)}
  .foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-top:22px;font-size:12.5px;color:var(--dark-muted)}
  .foot-bottom .conv{font-family:'IBM Plex Mono',monospace}
  @media(max-width:600px){.foot-contact{text-align:left}.foot-top{flex-direction:column}.cta h2{font-size:29px}.cta-card{padding:48px 24px}.hero h1{font-size:34px!important}.sec-head h2{font-size:29px}}

  /* footer legal line */
  .foot-legal{font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--dark-muted);padding-top:20px;display:flex;flex-wrap:wrap;gap:6px 14px}
  .foot-legal a{color:var(--dark-sec);text-decoration:underline;text-underline-offset:3px}
  .foot-legal a:hover{color:var(--dark-text)}

  /* LinkedIn link in about card */
  .li-link{display:inline-flex;align-items:center;gap:7px;margin-top:14px;font-size:13px;font-weight:600;color:var(--brand);border:1px solid var(--border);border-radius:100px;padding:6px 16px;transition:border-color .2s}
  .li-link:hover{border-color:var(--brand)}
  .li-link:focus-visible{outline:none;box-shadow:0 0 0 3px var(--focus)}