:root {
    --bg: #10131A;
    --panel: #161A22;
    --line: #262B34;
    --text: #ECEAE4;
    --muted: #8A9099;
    --gold: #C8A700;
    --gold-dim: rgba(200,167,0,0.12);
    --mono: 'IBM Plex Mono', monospace;
    --sans: 'Inter', sans-serif;
  }
  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--sans);
    margin: 0;
    line-height: 1.55;
  }
  a { color: inherit; }
  .wrap {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 28px;
  }

  /* NAV */
  nav.top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 26px 28px;
    max-width: 900px;
    margin: 0 auto;
  }
  .logo {
    font-family: var(--mono);
    font-weight: 500;
    font-size: 15px;
    letter-spacing: 0.02em;
  }
  .logo span { color: var(--gold); }
  nav.top a.cta {
    font-family: var(--mono);
    font-size: 13px;
    border: 1px solid var(--line);
    padding: 8px 14px;
    border-radius: 3px;
    text-decoration: none;
  }
  nav.top a.cta:hover { border-color: var(--gold); color: var(--gold); }

  /* HERO */
  .notfound-wrap {
    min-height: calc(100vh - 90px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding-bottom: 100px;
  }

  header.hero {
    padding: 70px 0 90px;
    border-bottom: 1px solid var(--line);
  }
  .tag {
    font-family: var(--mono);
    color: var(--gold);
    font-size: 14px;
    margin-bottom: 22px;
  }
  h1 {
    font-size: clamp(32px, 5.5vw, 44px);
    line-height: 1.1;
    font-weight: 700;
    max-width: 14ch;
    margin: 0 0 26px;
  }
  .hero p.lead {
    font-size: 18px;
    color: var(--muted);
    max-width: 56ch;
    margin: 0 0 34px;
  }
  .hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
  .btn-primary {
    background: var(--gold);
    color: #10131A;
    font-weight: 600;
    padding: 13px 22px;
    border-radius: 3px;
    text-decoration: none;
    font-size: 15px;
  }
  .btn-ghost {
    border: 1px solid var(--line);
    padding: 13px 22px;
    border-radius: 3px;
    text-decoration: none;
    font-size: 15px;
    color: var(--text);
  }
  .btn-ghost:hover { border-color: var(--gold); color: var(--gold); }

  /* SECTION LABEL */
  .label {
    font-family: var(--mono);
    color: var(--muted);
    font-size: 13px;
    margin-bottom: 8px;
  }
  section { padding: 64px 0; border-bottom: 1px solid var(--line); }
  section h2 {
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 36px;
    max-width: 30ch;
  }

  /* WORK */
  .work-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  @media (max-width: 700px) { .work-grid { grid-template-columns: 1fr; } }
  .work-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    transition: border-color 0.15s ease;
  }
  .work-card:hover { border-color: var(--gold); }
  .work-domain {
    font-family: var(--mono);
    font-size: 20px;
    color: var(--gold);
    margin-bottom: 10px;
    word-break: break-word;
  }
  .work-kind {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 16px;
  }
  .work-desc { color: var(--text); font-size: 15px; margin: 0; }

  /* PROCESS */
  .steps { display: flex; flex-direction: column; gap: 0; }
  .step {
    display: grid;
    grid-template-columns: 50px 1fr;
    gap: 18px;
    padding: 22px 0;
    border-top: 1px solid var(--line);
  }
  .step:last-child { border-bottom: none; }
  .step-num {
    font-family: var(--mono);
    color: var(--gold);
    font-size: 15px;
  }
  .step h3 { margin: 0 0 6px; font-size: 17px; }
  .step p { margin: 0; color: var(--muted); font-size: 15px; }

  /* PRICING */
  .tier-list { display: flex; flex-direction: column; }
  .tier-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px 20px;
    padding: 26px 0;
    border-top: 1px solid var(--line);
    align-items: baseline;
  }
  .tier-name {
    font-weight: 700;
    font-size: 19px;
  }
  .tier-name .for {
    font-weight: 400;
    color: var(--muted);
    font-size: 14px;
    display: block;
    margin-top: 4px;
  }
  .tier-price {
    font-family: var(--mono);
    color: var(--gold);
    font-size: 18px;
    white-space: nowrap;
  }
  .tier-price .unit { color: var(--muted); font-size: 12px; display: block; text-align: right; }
  .tier-features {
    grid-column: 1 / -1;
    list-style: none;
    padding: 0;
    margin: 14px 0 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px 24px;
  }
  @media (max-width: 600px) { .tier-features { grid-template-columns: 1fr; } }
  .tier-features li {
    font-size: 14px;
    color: var(--muted);
    padding-left: 14px;
    position: relative;
  }
  .tier-features li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--gold);
  }
  .tier-row.featured .tier-name,
  .tier-row.featured .tier-price { color: var(--gold); }

  /* ADD-ONS */
  .addons { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
  @media (max-width: 700px) { .addons { grid-template-columns: 1fr; } }
  .addon {
    background: var(--panel);
    border: 1px dashed var(--gold);
    border-radius: 6px;
    padding: 24px;
  }
  .addon-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 10px;
  }
  .addon-head h3 { margin: 0; font-size: 16px; }
  .addon-price {
    font-family: var(--mono);
    color: var(--gold);
    font-size: 14px;
    white-space: nowrap;
  }
  .addon p { color: var(--muted); font-size: 14px; margin: 0; }

  /* NOTES */
  .notes { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
  @media (max-width: 700px) { .notes { grid-template-columns: 1fr; } }
  .notes h4 {
    font-family: var(--mono);
    color: var(--gold);
    font-size: 12.5px;
    margin: 0 0 10px;
  }
  .notes ul { margin: 0; padding-left: 16px; color: var(--muted); font-size: 14px; }
  .notes li { margin-bottom: 6px; }

  /* CONTACT */
  section.contact { border-bottom: none; text-align: center; padding: 80px 0 60px; }
  section.contact h2 { margin: 0 auto 16px; }
  section.contact p { color: var(--muted); max-width: 46ch; margin: 0 auto 30px; }

  footer {
    padding: 30px 0 50px;
    text-align: center;
    color: var(--muted);
    font-size: 13px;
  }