:root{
    --bg:#0d1117; --surface:#161b22; --card:#1c232d; --border:#2a313c;
    --text:#e8edf3; --sub:#9aa7b5; --dim:#6b7684;
    --blue:#3b82f6; --blue-dark:#1d4ed8; --amber:#f59e0b; --green:#22c55e;
    --radius:12px; --max:1080px;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{background:var(--bg);color:var(--text);font-family:'DM Sans',system-ui,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
  a{color:inherit;text-decoration:none}
  .wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
  .mono{font-family:'DM Mono',monospace}

  /* Nav */
  nav{position:sticky;top:0;z-index:50;background:rgba(13,17,23,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
  .nav-in{display:flex;align-items:center;justify-content:space-between;height:64px}
  .brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:-.02em}
  .brand-mark{width:30px;height:30px;border-radius:8px;background:var(--blue);display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff}
  .nav-links{display:flex;align-items:center;gap:28px;font-size:14px;color:var(--sub)}
  .nav-links a:hover{color:var(--text)}
  .btn{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:8px;font-weight:600;font-size:14px;cursor:pointer;transition:all .15s;border:1px solid transparent}
  .btn-primary{background:var(--blue);color:#fff}
  .btn-primary:hover{background:var(--blue-dark)}
  .btn-ghost{border-color:var(--border);color:var(--text)}
  .btn-ghost:hover{background:var(--card)}
  @media(max-width:720px){.nav-links a:not(.btn){display:none}}

  /* Hero */
  header{padding:96px 0 72px;text-align:center}
  .eyebrow{display:inline-block;font-family:'DM Mono',monospace;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);border:1px solid var(--border);border-radius:999px;padding:6px 14px;margin-bottom:24px}
  h1{font-size:52px;line-height:1.08;font-weight:700;letter-spacing:-.03em;margin-bottom:20px}
  h1 .grad{color:var(--blue)}
  .lead{font-size:19px;color:var(--sub);max-width:620px;margin:0 auto 32px}
  .cta-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
  @media(max-width:720px){h1{font-size:36px}.lead{font-size:17px}header{padding:64px 0 48px}}

  /* Sections */
  section{padding:72px 0}
  .section-head{text-align:center;max-width:640px;margin:0 auto 48px}
  h2{font-size:34px;font-weight:700;letter-spacing:-.02em;margin-bottom:14px}
  .section-head p{color:var(--sub);font-size:17px}
  @media(max-width:720px){h2{font-size:27px}section{padding:52px 0}}

  /* Product card */
  .product{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:40px;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center}
  .product .tag{font-family:'DM Mono',monospace;font-size:12px;color:var(--green);text-transform:uppercase;letter-spacing:.08em;margin-bottom:10px}
  .product h3{font-size:26px;font-weight:700;letter-spacing:-.02em;margin-bottom:10px}
  .product p{color:var(--sub);max-width:520px;margin-bottom:20px}
  .founder{display:grid;grid-template-columns:220px 1fr;gap:38px;align-items:start}
  .founder img{width:220px;height:264px;object-fit:cover;object-position:top center;border-radius:12px;border:1px solid var(--border);display:block}
  .founder-name{font-weight:700;font-size:16px;margin-top:14px}
  .founder-role{font-size:11px;color:var(--dim);letter-spacing:.06em;margin-top:4px}
  .founder-bio p{color:var(--sub);font-size:15.5px;margin-bottom:16px}
  .founder-bio p:last-child{margin-bottom:0}
  @media(max-width:720px){.founder{grid-template-columns:1fr;gap:24px}.founder img{width:100%;max-width:260px;height:auto}}
  .product .feats{display:flex;flex-wrap:wrap;gap:8px}
  .chip{font-size:12px;font-family:'DM Mono',monospace;color:var(--sub);background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:5px 10px}
  @media(max-width:820px){.product{grid-template-columns:1fr;padding:28px}}

  /* Mission grid */
  .grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .val{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px}
  .val .ic{width:42px;height:42px;border-radius:10px;background:rgba(59,130,246,.12);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:16px}
  .val h4{font-size:17px;font-weight:600;margin-bottom:8px}
  .val p{color:var(--sub);font-size:15px}
  @media(max-width:820px){.grid3{grid-template-columns:1fr}}

  /* Contact band */
  .band{background:linear-gradient(180deg,var(--surface),var(--card));border:1px solid var(--border);border-radius:16px;padding:52px 40px;text-align:center}
  .band h2{margin-bottom:12px}
  .band p{color:var(--sub);margin-bottom:26px;font-size:17px}

  /* Footer */
  footer{border-top:1px solid var(--border);padding:44px 0;margin-top:40px}
  .foot-in{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:28px}
  .foot-brand{max-width:300px}
  .foot-brand p{color:var(--dim);font-size:14px;margin-top:12px}
  .foot-col h5{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--dim);margin-bottom:14px;font-family:'DM Mono',monospace}
  .foot-col a{display:block;color:var(--sub);font-size:14px;margin-bottom:10px}
  .foot-col a:hover{color:var(--text)}
  .foot-legal{border-top:1px solid var(--border);margin-top:32px;padding-top:24px;color:var(--dim);font-size:13px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}