*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0 }

    :root {
      --ink: #0a0a0a;
      --ink2: #444;
      --ink3: #777;
      --ink4: #aaa;
      --surface: #fafaf8;
      --s2: #f2f0eb;
      --s3: #e8e5de;
      --accent: #e8562a;
      --ah: #c94420;
      --navy: #14203b;
      --border: rgba(0, 0, 0, 0.08);
      --b2: rgba(0, 0, 0, 0.14);
      --r: 4px;
      --rl: 10px;
      --max: 1140px;
      --serif: 'Instrument Serif', Georgia, serif;
      --sans: 'Geist', system-ui, sans-serif;
      --teams-purple: #6264a7;
    }

    html { scroll-behavior: smooth }
    body { font-family: var(--sans); background: var(--surface); color: var(--ink); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased }

    /* HERO */
    .hero { background: var(--navy); padding: 5rem 2rem 4.5rem; position: relative; overflow: hidden }
    .hero::after { content: ''; position: absolute; top: -120px; right: -80px; width: 460px; height: 460px; background: radial-gradient(circle, rgba(232, 86, 42, 0.12) 0%, transparent 60%); pointer-events: none }
    .hero-i { max-width: var(--max); margin: 0 auto; position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start }
    .hero-r { display: flex; align-items: flex-start; width: 100% }
    .hero-eyebrow { font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: rgba(232, 86, 42, 0.95); margin-bottom: 1.2rem; display: flex; align-items: center; gap: 0.6rem }
    .hero-eyebrow::before { content: ''; display: inline-block; width: 22px; height: 1px; background: var(--accent) }
    .hero-beta { display: inline-flex; align-items: center; gap: 0.35rem; font-size: 0.65rem; background: rgba(34, 197, 94, 0.12); color: #22c55e; border: 1px solid rgba(34, 197, 94, 0.25); padding: 0.15rem 0.5rem; border-radius: 99px; letter-spacing: 0.05em }
    .hero h1 { font-family: var(--serif); font-size: clamp(2rem, 4.5vw, 3rem); font-weight: 400; line-height: 1.15; color: #fff; letter-spacing: -0.02em; margin-bottom: 1.4rem; max-width: 820px }
    .hero h1 em { color: var(--accent); font-style: normal }
    .hero-sub { font-size: 1.05rem; color: rgba(255, 255, 255, 0.7); line-height: 1.75; margin-bottom: 2rem; max-width: 700px; text-align: justify }
    .hero-sub strong { color: rgba(255, 255, 255, 0.92); font-weight: 500 }
    .hero-actions { display: flex; gap: 0.9rem; flex-wrap: wrap; margin-bottom: 2.4rem }
    .btn-primary { background: var(--accent); color: #fff; padding: 0.85rem 1.8rem; border-radius: var(--r); font-size: 0.92rem; font-weight: 500; text-decoration: none; transition: background 0.2s; display: inline-flex; align-items: center; gap: 0.5rem }
    .btn-primary:hover { background: var(--ah) }
    .btn-secondary { background: rgba(255, 255, 255, 0.05); color: rgba(255, 255, 255, 0.85); padding: 0.85rem 1.6rem; border-radius: var(--r); font-size: 0.92rem; font-weight: 500; text-decoration: none; border: 1px solid rgba(255, 255, 255, 0.18); transition: all 0.2s }
    .btn-secondary:hover { background: rgba(255, 255, 255, 0.1); border-color: rgba(255, 255, 255, 0.3) }

    .hero-stats { display: flex; align-items: center; padding-top: 1.2rem; border-top: 1px solid rgba(255,255,255,0.08); grid-column: 1 / -1; gap: 0 }
    .hero-stats > div { flex: 1; display: flex; align-items: center; gap: 0.7rem; padding-right: 1.4rem; margin-right: 1.4rem; border-right: 1px solid rgba(255,255,255,0.08) }
    .hero-stats > div:last-child { border-right: none; padding-right: 0; margin-right: 0 }
    .stat-num { font-family: var(--serif); font-size: 1.55rem; color: var(--accent); line-height: 1; flex-shrink: 0 }
    .stat-lbl { font-size: 0.73rem; color: rgba(255,255,255,0.42); line-height: 1.45 }
    /* ANALYST VALIDATION STRIP */
    .og-hackett-strip { background: var(--s2); border-top: 3px solid var(--accent); border-bottom: 1px solid var(--border); padding: 1rem 2rem }
    .og-hackett-strip-i { max-width: var(--max); margin: 0 auto; display: flex; align-items: baseline; gap: 1.2rem }
    .og-hs-badge { flex-shrink: 0; font-size: 0.62rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); background: rgba(232,86,42,0.1); border: 1px solid rgba(232,86,42,0.25); border-radius: 2px; padding: 0.2rem 0.5rem; white-space: nowrap }
    .og-hs-text { font-size: 0.85rem; color: var(--ink2); line-height: 1.6; margin: 0 }
    .og-hs-pct { font-family: var(--serif); font-size: 1.2rem; color: var(--accent); font-weight: 700; margin-right: 0.1rem }
    .og-hs-text strong { color: var(--ink); font-weight: 500 }
    @media (max-width: 640px) { .og-hackett-strip-i { flex-direction: column; gap: 0.5rem } }
    /* ARC ADVISORY STRIP */
    .og-arc-strip { background: var(--s2); border-top: 3px solid var(--accent); border-bottom: 1px solid var(--border); padding: 1rem 2rem }
    .og-arc-strip-i { max-width: var(--max); margin: 0 auto; display: flex; align-items: baseline; gap: 1.2rem }
    .og-arc-badge { flex-shrink: 0; font-size: 0.62rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); background: rgba(232,86,42,0.1); border: 1px solid rgba(232,86,42,0.25); border-radius: 2px; padding: 0.2rem 0.5rem; white-space: nowrap }
    .og-arc-text { font-size: 0.85rem; color: var(--ink2); line-height: 1.6; margin: 0 0 0.45rem }
    .og-arc-text strong { color: var(--ink); font-weight: 500 }
    .og-arc-link { font-size: 0.8rem; color: var(--accent); text-decoration: none; font-weight: 500; display: inline-block; transition: opacity 0.2s }
    .og-arc-link:hover { opacity: 0.72 }
    @media (max-width: 640px) { .og-arc-strip-i { flex-direction: column; gap: 0.5rem } }

    /* SECTION */
    section.s { padding: 4.5rem 2rem; border-bottom: 1px solid var(--border) }
    .s-i { max-width: var(--max); margin: 0 auto }
    .s-eyebrow { font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.6rem; font-weight: 500 }
    .s-title { font-family: var(--serif); font-size: 2rem; line-height: 1.2; color: var(--ink); margin-bottom: 0.8rem; letter-spacing: -0.01em; max-width: 720px; font-weight: 400 }
    .s-sub { font-size: 1rem; color: var(--ink2); line-height: 1.7; max-width: 700px; margin-bottom: 2.5rem; text-align: justify }

    /* HOW IT WORKS — three stages */
    .stages { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; margin-top: 2rem }
    .stage { background: #fff; border: 1px solid var(--border); border-radius: var(--rl); padding: 1.8rem 1.7rem; position: relative }
    .stage-num { font-family: var(--serif); font-size: 1.3rem; color: var(--accent); line-height: 1; margin-bottom: 0.6rem; font-style: italic }
    .stage-title { font-family: var(--serif); font-size: 1.2rem; color: var(--ink); margin-bottom: 0.7rem; line-height: 1.3 }
    .stage-body { font-size: 0.93rem; color: var(--ink2); line-height: 1.7; text-align: justify }
    .stage-body strong { color: var(--ink); font-weight: 500 }
    .stage-body ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.6rem; text-align: left }
    .stage-body li { padding-left: 1.1rem; position: relative; line-height: 1.6 }
    .stage-body li::before { content: '—'; position: absolute; left: 0; color: var(--accent); font-weight: 700 }

    /* OPSGRID-LITE PROOF STRIP */
    .og-proof { background: var(--s2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 1.2rem 2rem }
    .og-proof-i { max-width: var(--max); margin: 0 auto; display: flex; align-items: baseline; gap: 1.2rem }
    .og-proof-badge { display: flex; align-items: center; gap: 0.4rem; font-size: 0.7rem; font-weight: 600; color: #16a34a; letter-spacing: 0.06em; white-space: nowrap; text-transform: uppercase }
    .og-proof-dot { width: 6px; height: 6px; border-radius: 50%; background: #16a34a; display: inline-block; flex-shrink: 0 }
    .og-proof-body p { font-size: 0.88rem; color: var(--ink2); line-height: 1.75; margin: 0 }
    .og-proof-link { color: var(--accent); text-decoration: none }
    .og-proof-link:hover { text-decoration: underline }
    @media (max-width: 640px) { .og-proof-i { flex-direction: column; gap: 0.6rem } }

    /* TEAMS DEMO PREVIEW */
    .demo { background: var(--s2); padding: 4.5rem 2rem; border-bottom: 1px solid var(--border) }
    .demo-i { max-width: 760px; margin: 0 auto }
    .demo-frame { background: #fff; border: 1px solid var(--b2); border-radius: 8px; overflow: hidden; box-shadow: 0 8px 28px rgba(20, 32, 59, 0.08); font-family: 'Segoe UI', -apple-system, system-ui, sans-serif }
    .demo-titlebar { background: var(--navy); padding: 0.55rem 0.8rem; display: flex; align-items: center; gap: 0.55rem }
    .demo-app-icon { width: 22px; height: 22px; background: var(--teams-purple); border-radius: 4px; display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700; color: #fff }
    .demo-app-name { font-size: 12px; font-weight: 600; color: rgba(255, 255, 255, 0.9) }
    .demo-channel { padding: 0.7rem 1rem 0.55rem; border-bottom: 1px solid #e0e0e0; font-size: 13px; color: #242424; font-weight: 600 }
    .demo-channel-desc { font-size: 11px; color: #898989; font-weight: 400; margin-left: 0.4rem }
    .demo-body { padding: 0.8rem 0.4rem 0.4rem }
    .demo-msg { display: flex; gap: 0.65rem; padding: 0.4rem 0.8rem }
    .demo-av { width: 28px; height: 28px; border-radius: 4px; background: var(--teams-purple); display: flex; align-items: center; justify-content: center; font-size: 10px; font-weight: 700; color: #fff; flex-shrink: 0; margin-top: 1px }
    .demo-msg-body { flex: 1; min-width: 0 }
    .demo-msg-meta { display: flex; align-items: baseline; gap: 0.4rem; margin-bottom: 0.2rem }
    .demo-msg-name { font-size: 13px; font-weight: 600; color: #242424 }
    .demo-msg-app { font-size: 9px; background: #e8eaf6; color: #444791; padding: 1px 5px; border-radius: 3px; font-weight: 600 }
    .demo-msg-time { font-size: 11px; color: #898989 }
    .demo-card { background: #fff; border: 1px solid #e0e0e0; border-radius: 4px; max-width: 100%; overflow: hidden; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06) }
    .demo-card-stripe { height: 3px; width: 100% }
    .stripe-r { background: #c4262e }
    .stripe-b { background: #0f548c }
    .demo-card-body { padding: 0.7rem 0.85rem 0.65rem }
    .demo-card-mod { font-size: 10px; font-weight: 600; color: #898989; letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 0.2rem }
    .demo-card-title { font-size: 13px; font-weight: 600; color: #242424; line-height: 1.35; margin-bottom: 0.5rem }
    .demo-card-sbadge { float: right; font-size: 10px; font-weight: 600; padding: 2px 7px; border-radius: 3px; margin-left: 0.4rem }
    .sbadge-r { background: rgba(196, 38, 46, 0.08); color: #c4262e }
    .sbadge-b { background: rgba(15, 84, 140, 0.08); color: #0f548c }
    .demo-card-fact { display: grid; grid-template-columns: 1fr auto; align-items: baseline; gap: 0.5rem; font-size: 11.5px; padding: 0.18rem 0; border-bottom: 1px solid #f0f0f0 }
    .demo-card-fact:last-child { border-bottom: none }
    .demo-card-fl { color: #616161 }
    .demo-card-fv { color: #242424; font-weight: 500; text-align: right }
    .demo-card-fv.r { color: #c4262e }
    .demo-card-actions { display: flex; gap: 0.3rem; padding-top: 0.55rem; margin-top: 0.4rem; border-top: 1px solid #e0e0e0; flex-wrap: wrap }
    .demo-ca { font-size: 11.5px; font-weight: 600; padding: 0.32rem 0.7rem; border-radius: 4px; border: 1px solid #c8c8c8; background: #fff; color: #242424 }
    .demo-ca.primary { background: var(--teams-purple); color: #fff; border-color: var(--teams-purple) }
    .demo-caption { text-align: center; margin-top: 1.2rem; font-size: 0.82rem; color: var(--ink3); font-style: italic }

    /* BC POSITIONING */
    .bc { background: #fff; padding: 4.5rem 2rem; border-bottom: 1px solid var(--border) }
    .bc-i { max-width: 760px; margin: 0 auto; text-align: center }
    .bc-eyebrow { font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.7rem; font-weight: 500 }
    .bc h2 { font-family: var(--serif); font-size: 1.9rem; line-height: 1.2; color: var(--ink); letter-spacing: -0.01em; margin-bottom: 1.2rem; font-weight: 400 }
    .bc p { font-size: 1.02rem; color: var(--ink2); line-height: 1.8; margin-bottom: 1rem; text-align: justify }
    .bc p strong { color: var(--ink); font-weight: 500 }

    /* ABOUT / CITABILITY */
    .og-about { background: var(--s2); padding: 3rem 2rem; border-bottom: 1px solid var(--border) }
    .og-about-i { max-width: var(--max); margin: 0 auto }
    .og-about-label { font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink3); margin-bottom: 1.5rem; font-weight: 500 }
    .og-about-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem }
    .og-about-item { background: #fff; border: 1px solid var(--border); border-radius: var(--rl); padding: 1.5rem; border-top: 3px solid var(--accent) }
    .og-ai-num { font-size: 0.7rem; font-weight: 600; color: var(--accent); margin-bottom: 0.7rem; letter-spacing: 0.05em }
    .og-about-item p { font-size: 0.9rem; color: var(--ink2); line-height: 1.75; margin: 0 }
    .og-about-item p strong { color: var(--ink); font-weight: 500 }
    @media (max-width: 768px) { .og-about-grid { grid-template-columns: 1fr } }

    /* INSIGHTS CROSS-LINKS */
    .og-insights { background: var(--surface); padding: 3rem 2rem; border-top: 1px solid var(--border) }
    .og-insights-i { max-width: var(--max); margin: 0 auto }
    .og-insights-label { font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink3); margin-bottom: 0.35rem; font-weight: 500 }
    .og-insights-sub { font-size: 0.88rem; color: var(--ink3); margin-bottom: 1.6rem }
    .og-insights-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem }
    .og-ins-card { display: block; text-decoration: none; background: #fff; border: 1px solid var(--border); border-radius: var(--rl); padding: 1.4rem 1.5rem; border-top: 3px solid var(--accent); transition: box-shadow 0.2s, transform 0.2s }
    .og-ins-card:hover { box-shadow: 0 6px 20px rgba(20,32,59,0.08); transform: translateY(-2px) }
    .og-ins-tag { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--accent); font-weight: 600; margin-bottom: 0.45rem }
    .og-ins-title { font-size: 0.95rem; font-weight: 500; color: var(--ink); line-height: 1.35; margin-bottom: 0.45rem }
    .og-ins-desc { font-size: 0.82rem; color: var(--ink3); line-height: 1.6; margin-bottom: 0.85rem }
    .og-ins-link { font-size: 0.8rem; color: var(--accent); font-weight: 500 }
    @media (max-width: 700px) { .og-insights-grid { grid-template-columns: 1fr } }

    /* CTA */
    .cta { background: var(--navy); padding: 4.5rem 2rem; text-align: center; position: relative; overflow: hidden }
    .cta::before { content: ''; position: absolute; top: -80px; right: -60px; width: 360px; height: 360px; background: radial-gradient(circle, rgba(232, 86, 42, 0.1) 0%, transparent 65%) }
    .cta-i { max-width: 580px; margin: 0 auto; position: relative }
    .cta-spots { display: inline-flex; align-items: center; gap: 0.45rem; font-size: 0.78rem; color: rgba(255, 255, 255, 0.45); margin-bottom: 1.3rem }
    .cta-dot { width: 7px; height: 7px; border-radius: 50%; background: #22c55e; animation: blink 2.5s infinite }
    @keyframes blink { 0%, 100% { opacity: 1 } 50% { opacity: 0.35 } }
    .cta h2 { font-family: var(--serif); font-size: 2rem; color: #fff; line-height: 1.2; margin-bottom: 1rem; font-weight: 400 }
    .cta p { font-size: 0.95rem; color: rgba(255, 255, 255, 0.6); max-width: 520px; margin: 0 auto 2rem; line-height: 1.75 }
    .cta-note { font-size: 0.78rem; color: rgba(255, 255, 255, 0.3); margin-top: 1rem; line-height: 1.6 }

    /* FOOTER */
    footer { background: #080808; color: rgba(255, 255, 255, 0.45); padding: 3rem 2rem }
    .foot-i { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem }
    .foot-logo { font-family: var(--serif); font-size: 1.1rem; color: rgba(255, 255, 255, 0.8); text-decoration: none; display: block; margin-bottom: 0.8rem }
    .foot-logo span { color: var(--accent) }
    .foot-tag { font-size: 0.8rem; line-height: 1.6 }
    .foot-col h5 { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; color: rgba(255, 255, 255, 0.25); margin-bottom: 1rem; font-weight: 400 }
    .foot-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.5rem }
    .foot-col a { font-size: 0.8rem; color: rgba(255, 255, 255, 0.4); text-decoration: none; transition: color 0.2s }
    .foot-col a:hover { color: rgba(255, 255, 255, 0.8) }
    .foot-btm { max-width: var(--max); margin: 2rem auto 0; padding-top: 1.5rem; border-top: 1px solid rgba(255, 255, 255, 0.07); display: flex; justify-content: space-between; font-size: 0.73rem; color: rgba(255, 255, 255, 0.2); flex-wrap: wrap; gap: 0.5rem }

    /* RESPONSIVE */
    @media (max-width: 900px) {
      .hero-i { grid-template-columns: 1fr }
      .hero-r { margin-top: 2.5rem; width: 100% }
      .stages { grid-template-columns: 1fr }
      .hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 0 }
      .hero-stats > div { border-right: 1px solid rgba(255,255,255,0.08); border-bottom: 1px solid rgba(255,255,255,0.08); padding: 0.75rem 1rem 0.75rem 0; margin: 0 }
      .hero-stats > div:nth-child(even) { border-right: none; padding-left: 1rem; padding-right: 0 }
      .hero-stats > div:nth-last-child(-n+2) { border-bottom: none; padding-bottom: 0 }
      .foot-i { grid-template-columns: 1fr 1fr; gap: 2rem }
    }
    @media (max-width: 600px) {
      .hero { padding: 3.5rem 1.25rem 3rem }
      section.s, .demo, .bc, .cta { padding: 3rem 1.25rem }
      .hero h1 { font-size: 1.75rem }
      .s-title { font-size: 1.5rem }
      .bc h2 { font-size: 1.45rem }
      .cta h2 { font-size: 1.5rem }
      .foot-i { grid-template-columns: 1fr }
      .og-roles { padding: 1rem 1.25rem; gap: 0.8rem ;text-align: center; }
      .og-roles-links { gap: 0.9rem }
    }
  .og-roles {
      padding: 1.1rem 2rem;
      border-top: 1px solid var(--border);
      display: flex;
      flex-direction: column;     /* stack label + links */
      align-items: center;        /* center horizontally */
      justify-content: center;
      gap: 0.8rem;
      background: var(--surface);
      text-align: center;
  }

  .og-roles-links {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;    /* center links row */
  }
    .og-role-link { font-size: 0.83rem; color: var(--ink2); text-decoration: none; transition: color 0.2s }
    .og-role-link:hover { color: var(--accent) }