:root {
    color-scheme: dark;
    --ink: #070D1A;
    --panel: #0D1526;
    --panel-2: #101A30;
    --line: #1C2A45;
    --line-soft: #14203A;
    --deep: #005697;
    --accent: #2E9BE6;
    --pale: #BFE3FA;
    --text: #E8EEF7;
    --muted: #8FA0BC;
    --good: #3DC98A;
    --font-body: "Segoe UI", system-ui, -apple-system, sans-serif;
    --font-mono: "Cascadia Code", Consolas, "SF Mono", ui-monospace, monospace;
    --site-max: 1120px;
  }

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

  html { scroll-behavior: smooth; }
  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation: none !important; transition: none !important; }
  }

  body {
    background: var(--ink);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }

  .container {
    max-width: var(--site-max);
    margin-inline: auto;
    padding-inline: clamp(20px, 4vw, 48px);
  }

  a { color: var(--accent); text-decoration: none; }
  a:focus-visible, button:focus-visible, summary:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
  }

  /* ---------- micro-label ---------- */
  .microlabel {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--muted);
  }

  /* ---------- nav ---------- */
  .nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding-block: 26px;
    border-bottom: 1px solid var(--line-soft);
  }
  .nav-logo { color: var(--text); display: inline-flex; align-items: center; }
  .nav-logo svg { height: 28px; width: auto; display: block; }
  @media (max-width: 420px) { .nav-logo svg { height: 22px; } }
  .nav-links { display: flex; align-items: center; gap: 28px; }
  .nav-links a {
    color: var(--muted);
    font-size: 14px;
    white-space: nowrap;
  }
  .nav-links a:hover { color: var(--pale); }
  .btn-signin {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.08em;
    color: var(--pale);
    border: 1px solid var(--line);
    padding: 8px 18px;
    border-radius: 3px;
  }
  .btn-signin:hover { border-color: var(--accent); }
  .nav-links a.nav-start {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    background: var(--deep);
    border: 1px solid var(--accent);
    padding: 9px 20px;
    border-radius: 3px;
  }
  .nav-links a.nav-start:hover { background: #006AB8; color: #fff; }

  /* mobile disclosure menu (no JS): replaces the desktop links below 760px */
  .nav-mobile { display: none; position: relative; }
  .nav-mobile summary {
    list-style: none;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.12em;
    color: var(--pale);
    border: 1px solid var(--line);
    padding: 8px 14px;
    border-radius: 3px;
  }
  .nav-mobile summary::-webkit-details-marker { display: none; }
  .nav-mobile[open] summary { border-color: var(--accent); }
  .nav-mobile-panel {
    position: absolute;
    right: 0;
    top: calc(100% + 10px);
    min-width: 220px;
    display: grid;
    gap: 2px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 10px;
    z-index: 50;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  }
  .nav-mobile-panel a {
    padding: 10px 12px;
    color: var(--text);
    font-size: 14px;
    border-radius: 3px;
  }
  .nav-mobile-panel a:hover { background: var(--panel-2); }
  .nav-mobile-panel .nav-mobile-cta {
    margin-top: 6px;
    text-align: center;
    background: var(--deep);
    border: 1px solid var(--accent);
    color: #fff;
    font-weight: 600;
  }
  @media (max-width: 760px) {
    .nav-links { display: none; }
    .nav-mobile { display: block; }
  }

  /* ---------- hero ---------- */
  .hero {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: center;
    padding-block: clamp(56px, 9vw, 110px);
  }
  @media (max-width: 900px) {
    .hero { grid-template-columns: minmax(0, 1fr); }
  }

  .hero h1 {
    font-size: clamp(40px, 5.6vw, 62px);
    line-height: 1.04;
    font-weight: 700;
    letter-spacing: -0.02em;
    text-wrap: balance;
  }
  .hero h1 .accent { color: var(--accent); }
  .hero-sub {
    margin-top: 22px;
    max-width: 30em;
    font-size: 17px;
    color: var(--muted);
  }
  .hero-sub strong { color: var(--text); font-weight: 600; }

  .hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
  .btn-primary, .btn-ghost {
    display: inline-block;
    padding: 13px 26px;
    border-radius: 3px;
    font-size: 15px;
    font-weight: 600;
  }
  .btn-primary {
    background: var(--deep);
    color: #fff;
    border: 1px solid var(--accent);
  }
  .btn-primary:hover { background: #006AB8; }
  .btn-ghost {
    color: var(--pale);
    border: 1px solid var(--line);
  }
  .btn-ghost:hover { border-color: var(--accent); }

  /* ---------- vault session ledger ---------- */
  .ledger {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 13px;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  }
  .ledger-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    border-bottom: 1px solid var(--line);
    background: var(--panel-2);
  }
  .ledger-dot {
    display: inline-block;
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--good);
    margin-right: 8px;
    box-shadow: 0 0 0 3px rgba(61, 201, 138, 0.18);
  }
  .ledger-rows { padding: 6px 0 0; }
  .ledger-row {
    display: grid;
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 14px;
    padding: 11px 18px;
    border-bottom: 1px solid var(--line-soft);
    opacity: 0;
    animation: rowIn 0.5s ease forwards;
  }
  .ledger-row:nth-child(1) { animation-delay: 0.3s; }
  .ledger-row:nth-child(2) { animation-delay: 0.9s; }
  .ledger-row:nth-child(3) { animation-delay: 1.5s; }
  .ledger-row:nth-child(4) { animation-delay: 2.1s; }
  @keyframes rowIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: none; }
  }
  @media (prefers-reduced-motion: reduce) {
    .ledger-row { opacity: 1; }
  }
  .ledger-op { color: var(--muted); font-size: 11px; letter-spacing: 0.14em; padding-top: 2px; }
  .ledger-val { color: var(--text); overflow-wrap: anywhere; }
  .ledger-val .dim { color: var(--muted); }
  .ledger-val .tok { color: var(--pale); background: rgba(0, 86, 151, 0.35); padding: 1px 6px; border-radius: 3px; }
  .ledger-val .pan { color: var(--text); }
  .ledger-val .good { color: var(--good); font-style: normal; font-weight: 600; }
  .ledger-foot {
    padding: 12px 18px;
    color: var(--muted);
    font-size: 11.5px;
    letter-spacing: 0.06em;
    background: var(--panel-2);
    border-top: 1px solid var(--line);
    opacity: 0;
    animation: rowIn 0.5s ease forwards;
    animation-delay: 2.7s;
  }
  @media (prefers-reduced-motion: reduce) { .ledger-foot { opacity: 1; } }
  .ledger-foot em { color: var(--good); font-style: normal; }

  /* ---------- trust strip ---------- */
  .trust {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 40px;
    justify-content: space-between;
    padding-block: 22px;
    border-top: 1px solid var(--line-soft);
    border-bottom: 1px solid var(--line-soft);
  }
  .trust span { white-space: nowrap; }
  .trust a { color: var(--accent); white-space: nowrap; letter-spacing: inherit; }
  .trust a:hover { color: var(--pale); }

  .hero-note {
    margin-top: 14px;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.04em;
    color: var(--muted);
  }

  /* ---------- sections ---------- */
  .section { padding-block: clamp(64px, 8vw, 104px); }
  .section + .section { border-top: 1px solid var(--line-soft); }

  .section-head { max-width: 640px; margin-bottom: 48px; }
  .section-head .microlabel { display: block; margin-bottom: 14px; color: var(--accent); }
  .section-head h1,
  .section-head h2 {
    font-size: clamp(26px, 3.2vw, 36px);
    line-height: 1.15;
    font-weight: 700;
    letter-spacing: -0.015em;
    text-wrap: balance;
  }
  .section-head p { margin-top: 16px; color: var(--muted); }

  /* ledger-style feature table */
  .feature-ledger { border-top: 1px solid var(--line); }
  .feature-row {
    display: grid;
    grid-template-columns: 56px minmax(0, 0.9fr) minmax(0, 1.4fr);
    gap: clamp(16px, 3vw, 48px);
    padding-block: 26px;
    border-bottom: 1px solid var(--line-soft);
    align-items: baseline;
  }
  @media (max-width: 760px) {
    .feature-row { grid-template-columns: 44px minmax(0, 1fr); }
    .feature-row > p { grid-column: 2; }
  }
  .feature-row .num {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--accent);
  }
  .feature-row h3 { font-size: 18px; font-weight: 600; }
  .feature-row p { color: var(--muted); font-size: 15px; }

  /* ---------- integrations: split with code ---------- */
  .integrate {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }
  @media (max-width: 900px) {
    .integrate { grid-template-columns: minmax(0, 1fr); }
  }
  .surface-list { display: grid; border-top: 1px solid var(--line); }
  .surface {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 16px;
    align-items: baseline;
    padding-block: 18px;
    border-bottom: 1px solid var(--line-soft);
  }
  .surface h3 { font-size: 16px; font-weight: 600; }
  .surface p { color: var(--muted); font-size: 14px; margin-top: 3px; }
  .surface .tag {
    font-family: var(--font-mono);
    font-size: 10.5px;
    letter-spacing: 0.1em;
    color: var(--muted);
    border: 1px solid var(--line);
    padding: 3px 9px;
    border-radius: 999px;
    white-space: nowrap;
  }

  .codeblock {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 6px;
    overflow: hidden;
  }
  .codeblock-head {
    display: flex;
    justify-content: space-between;
    padding: 10px 16px;
    border-bottom: 1px solid var(--line);
    background: var(--panel-2);
  }
  .codeblock pre {
    padding: 18px;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 12.5px;
    line-height: 1.75;
    color: var(--text);
  }
  .codeblock .c { color: var(--muted); }
  .codeblock .k { color: var(--accent); }
  .codeblock .s { color: var(--pale); }
  .codeblock .g { color: var(--good); }

  /* ---------- gateway section ---------- */
  .gateway-diagram {
    margin-top: 8px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--panel);
    padding: clamp(20px, 3vw, 36px);
    overflow-x: auto;
  }
  .gateway-diagram svg { display: block; width: 100%; height: auto; }

  /* ---------- ops grid ---------- */
  .ops-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
  }
  @media (max-width: 900px) { .ops-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
  @media (max-width: 620px) { .ops-grid { grid-template-columns: minmax(0, 1fr); } }
  .ops-cell {
    padding: 24px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }
  .ops-cell h3 { font-size: 15.5px; font-weight: 600; margin-bottom: 6px; }
  .ops-cell p { font-size: 13.5px; color: var(--muted); }

  /* ---------- pricing ---------- */
  .price-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.90fr) repeat(3, minmax(0, 1fr));
    gap: 0;
    border: 1px solid var(--line);
    border-radius: 6px;
    overflow: hidden;
  }
  @media (max-width: 980px) { .price-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
  @media (max-width: 560px) { .price-grid { grid-template-columns: minmax(0, 1fr); } }
  .price-col {
    padding: 28px 24px;
    background: var(--panel);
    border-right: 1px solid var(--line-soft);
    border-bottom: 1px solid var(--line-soft);
    display: flex;
    flex-direction: column;
    gap: 0;
  }
  .price-col:last-child { border-right: none; }
  .price-col.featured { background: var(--panel-2); box-shadow: inset 0 3px 0 var(--accent); }
  .price-col.starter { background: transparent; padding: 28px 18px; }
  .price-col.starter .plan-name { font-size: 14.5px; }
  .price-col.starter .plan-for { font-size: 12px; }
  .price-col.starter .plan-price { font-size: 20px; }
  .price-col .plan-name { font-size: 16px; font-weight: 600; }
  .price-col .plan-for { font-size: 12.5px; color: var(--muted); margin-top: 2px; min-height: 2.6em; }
  .price-col .plan-price {
    font-family: var(--font-mono);
    font-size: 26px;
    color: var(--pale);
    margin-top: 14px;
    font-variant-numeric: tabular-nums;
  }
  .price-col .plan-price small { font-size: 12px; color: var(--muted); }
  .price-col .plan-cards {
    font-family: var(--font-mono);
    font-size: 11.5px;
    letter-spacing: 0.06em;
    color: var(--accent);
    margin-top: 4px;
    margin-bottom: 16px;
  }
  .price-col ul { list-style: none; display: grid; gap: 7px; font-size: 13px; color: var(--muted); flex: 1; }
  .price-col li::before { content: "+ "; color: var(--accent); font-family: var(--font-mono); }
  .price-col .rates {
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px solid var(--line-soft);
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--muted);
    line-height: 1.9;
    font-variant-numeric: tabular-nums;
  }
  .plan-cta {
    display: block;
    text-align: center;
    margin-top: 18px;
    padding: 10px 14px;
    border-radius: 3px;
    border: 1px solid var(--line);
    color: var(--pale);
    font-size: 13.5px;
    font-weight: 600;
  }
  .plan-cta:hover { border-color: var(--accent); }
  .plan-cta.primary {
    background: var(--deep);
    border-color: var(--accent);
    color: #fff;
  }
  .plan-cta.primary:hover { background: #006AB8; }

  .price-note {
    margin-top: 16px;
    font-size: 13px;
    color: var(--muted);
  }

  .featured-flag {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 10px;
  }

  .addon {
    margin-top: 18px;
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px 24px;
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 18px 24px;
    background: var(--panel);
  }
  .addon h3 { font-size: 15px; font-weight: 600; }
  .addon p { font-size: 13.5px; color: var(--muted); }
  .addon .plan-price { font-family: var(--font-mono); font-size: 16px; color: var(--pale); white-space: nowrap; }

  /* ---------- console screenshots ---------- */
  .shots {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
  @media (max-width: 760px) { .shots { grid-template-columns: minmax(0, 1fr); } }
  .shot {
    margin: 0;
    border: 1px solid var(--line);
    border-radius: 6px;
    overflow: hidden;
    background: var(--panel);
  }
  .shot img { display: block; width: 100%; height: auto; }
  .shot figcaption {
    padding: 12px 16px;
    font-family: var(--font-mono);
    font-size: 11.5px;
    letter-spacing: 0.06em;
    color: var(--muted);
    border-top: 1px solid var(--line-soft);
  }

  /* ---------- PCI badge / compliance note ---------- */
  .pci-badge {
    margin-top: 36px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 20px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--panel);
    padding: 18px 24px;
  }
  .pci-badge p { font-size: 13.5px; color: var(--muted); max-width: 62ch; margin: 0; }
  .pci-badge.standalone { margin: 0 0 32px; display: inline-flex; padding: 14px 20px; }

  /* self-made compliance emblem (PCI SSC marks may not be used) */
  .pci-mark { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
  .pci-mark svg { height: 52px; width: auto; display: block; }
  .pci-mark-text { display: grid; gap: 3px; }
  .pci-mark-title { font-size: 15px; font-weight: 600; color: var(--text); white-space: nowrap; }
  .pci-mark-sub {
    font-family: var(--font-mono);
    font-size: 10.5px;
    letter-spacing: 0.12em;
    color: var(--muted);
    white-space: nowrap;
  }

  /* ---------- FAQ ---------- */
  .faq { max-width: 760px; border-top: 1px solid var(--line); }
  .faq details { border-bottom: 1px solid var(--line-soft); }
  .faq summary {
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 16px;
    padding-block: 20px;
    font-size: 16px;
    font-weight: 600;
  }
  .faq summary::-webkit-details-marker { display: none; }
  .faq summary::after {
    content: "+";
    font-family: var(--font-mono);
    color: var(--accent);
    flex-shrink: 0;
  }
  .faq details[open] summary::after { content: "-"; }
  .faq .faq-a { padding-bottom: 22px; color: var(--muted); font-size: 15px; max-width: 62ch; }

  /* ---------- CTA ---------- */
  .cta {
    text-align: center;
    padding-block: clamp(64px, 9vw, 120px);
  }
  .cta h2 {
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 700;
    letter-spacing: -0.02em;
    text-wrap: balance;
  }
  .cta p { color: var(--muted); margin-top: 14px; }
  .cta .hero-ctas { justify-content: center; }

  /* ---------- footer ---------- */
  footer { border-top: 1px solid var(--line-soft); }
  .footer-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding-top: 28px;
    /* extra bottom clearance so the fixed chat launcher (bottom-right, ~80px tall
       zone) floats over empty space instead of covering the footer links */
    padding-bottom: 104px;
    font-size: 13px;
    color: var(--muted);
  }
  .footer-inner .nav-logo svg { height: 13px; }
  .footer-inner .nav-logo { color: var(--muted); }
  .footer-links { display: flex; flex-wrap: wrap; gap: 10px 22px; }
  .footer-links a { color: var(--muted); }
  .footer-links a:hover { color: var(--pale); }

  /* ---------- notify / early-access form ---------- */
  .cta-title { margin-top: 14px; }
  .notify-form {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-top: 34px;
  }
  .notify-form input[type=email] {
    width: min(360px, 80vw);
    padding: 13px 16px;
    border-radius: 3px;
    border: 1px solid var(--line);
    background: var(--panel);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 14px;
  }
  .notify-form input[type=email]::placeholder { color: var(--muted); }
  .notify-form input[type=email]:focus {
    outline: none;
    border-color: var(--accent);
  }
  .notify-form .btn-primary { cursor: pointer; }
  .notify-status {
    margin-top: 16px;
    font-family: var(--font-mono);
    font-size: 13px;
  }
  .notify-status.ok  { color: var(--good); }
  .notify-status.err { color: #FF6B7A; }
  .hp { position: absolute !important; left: -9999px !important; height: 0; width: 0; opacity: 0; }
  /* ---------- legal documents ---------- */
  .legal { max-width: 820px; padding-block: clamp(48px, 6vw, 88px); }
  .legal > .microlabel { display: block; margin-bottom: 14px; color: var(--accent); }
  .legal h1 {
    font-size: clamp(28px, 3.6vw, 40px);
    font-weight: 700;
    letter-spacing: -0.015em;
    margin-bottom: 10px;
  }
  .legal .legal-meta {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.08em;
    color: var(--muted);
    margin-bottom: 44px;
    padding-bottom: 22px;
    border-bottom: 1px solid var(--line);
  }
  .legal h2 { font-size: 19px; font-weight: 600; margin: 40px 0 12px; }
  .legal p, .legal li { color: var(--muted); font-size: 15px; line-height: 1.7; max-width: 70ch; }
  .legal p { margin-bottom: 14px; }
  .legal ul { padding-left: 22px; margin-bottom: 14px; display: grid; gap: 6px; }
  .legal strong { color: var(--text); font-weight: 600; }
  /* ---------- contact form ---------- */
  .contact { max-width: 760px; padding-block: clamp(48px, 6vw, 88px); }
  .cta-alt { margin-top: 22px; font-size: 14px; color: var(--muted); }
  .contact-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--panel);
    padding: clamp(20px, 3.5vw, 32px);
  }
  @media (max-width: 620px) {
    .contact-form { grid-template-columns: minmax(0, 1fr); }
  }
  .field { display: flex; flex-direction: column; gap: 7px; }
  .field.wide { grid-column: 1 / -1; }
  .field label {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--muted);
  }
  .field label .opt { text-transform: none; letter-spacing: 0.04em; }
  .field input, .field select, .field textarea {
    background: var(--panel-2);
    border: 1px solid var(--line);
    border-radius: 3px;
    padding: 12px 13px;
    color: var(--text);
    font-family: var(--font-body);
    font-size: 14.5px;
  }
  .field input::placeholder, .field textarea::placeholder { color: var(--muted); opacity: 0.7; }
  .field input:focus, .field select:focus, .field textarea:focus {
    outline: none;
    border-color: var(--accent);
  }
  .field textarea { resize: vertical; min-height: 140px; }
  .field-error, .form-error {
    font-family: var(--font-mono);
    font-size: 12px;
    color: #FF6B7A;
  }
  .form-error:empty { display: none; }
  .form-error { grid-column: 1 / -1; }
  .form-error ul { list-style: none; display: grid; gap: 4px; }
  .form-actions {
    grid-column: 1 / -1;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-top: 6px;
  }
  .form-actions .btn-primary { cursor: pointer; font-family: var(--font-body); }
  .sent-panel {
    border: 1px solid rgba(61, 201, 138, 0.5);
    background: rgba(61, 201, 138, 0.08);
    border-radius: 6px;
    padding: 18px 22px;
    margin-bottom: 26px;
    font-size: 15px;
    color: var(--text);
  }
  /* ---------- ops workflow steps ---------- */
  .steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
  }
  @media (max-width: 900px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
  @media (max-width: 560px) { .steps { grid-template-columns: minmax(0, 1fr); } }
  .step {
    padding: 26px 24px 28px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: var(--panel);
  }
  .step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px; height: 30px;
    border-radius: 50%;
    border: 1px solid var(--accent);
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 13px;
    margin-bottom: 14px;
  }
  .step h3 { font-size: 16.5px; font-weight: 600; margin-bottom: 7px; }
  .step p { font-size: 13.5px; color: var(--muted); }
  .workflow-link { margin-top: 22px; font-size: 15px; color: var(--muted); }

  /* ---------- vertical landing hero ---------- */
  /* .hero already supplies top padding for hospitality/spreadsheets (they carry both
     classes); /developers uses .vert-hero alone, so restore its top padding here. */
  .vert-hero:not(.hero) { padding-block: clamp(56px, 9vw, 110px) clamp(24px, 4vw, 48px); }
  .vert-hero .vert-tag { display: block; margin-bottom: 16px; color: var(--accent); }
  .vert-hero h1 {
    font-size: clamp(34px, 4.6vw, 52px);
    line-height: 1.08;
  }
  .scene {
    margin: 0;
    border: 1px solid var(--line);
    border-radius: 6px;
    overflow: hidden;
    background: var(--panel);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  }
  .scene img { display: block; width: 100%; height: auto; }
  .scene figcaption {
    padding: 12px 18px;
    font-family: var(--font-mono);
    font-size: 11.5px;
    letter-spacing: 0.06em;
    color: var(--muted);
    background: var(--panel-2);
    border-top: 1px solid var(--line);
  }
  .vert-hero h1 .accent { color: var(--accent); }
  /* ---------- spreadsheet mock (the "before" artifact) ---------- */
  .sheet { background: #F4F6F8; }
  .sheet-title {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.04em;
    color: #444;
    background: #E4E9EE;
    border-bottom: 1px solid #C9D2DA;
    padding: 8px 12px;
  }
  .sheet-grid { width: 100%; border-collapse: collapse; font-size: 12.5px; color: #222; }
  .sheet-grid th {
    background: #E9EDF1;
    color: #667;
    font-weight: 600;
    font-size: 11px;
    border: 1px solid #C9D2DA;
    padding: 5px 8px;
    text-align: center;
    width: 28px;
  }
  .sheet-grid td {
    background: #fff;
    border: 1px solid #D6DDE3;
    padding: 6px 10px;
    white-space: nowrap;
    font-family: var(--font-body);
  }
  .sheet-grid td.sheet-h { font-weight: 700; background: #F0F3F6; }
  .sheet-grid td.sheet-bad { color: #C22F43; font-weight: 700; }
  /* ---------- audience cards ---------- */
  .audience {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 34px;
  }
  @media (max-width: 900px) { .audience { grid-template-columns: minmax(0, 1fr); } }
  .audience-card {
    display: block;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 22px 22px 20px;
    color: inherit;
  }
  .audience-card:hover { border-color: var(--accent); }
  .audience-card .microlabel { display: block; margin-bottom: 12px; color: var(--accent); }
  .audience-card h3 { font-size: 17px; font-weight: 600; color: var(--text); }
  .audience-card p { margin-top: 8px; font-size: 13.5px; color: var(--muted); }
  .audience-go {
    display: inline-block;
    margin-top: 14px;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--accent);
  }
  /* ---------- industry cards ---------- */
  .inds {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
  @media (max-width: 760px) { .inds { grid-template-columns: minmax(0, 1fr); } }
  .ind-card {
    display: block;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 6px;
    overflow: hidden;
    color: inherit;
  }
  .ind-card:hover { border-color: var(--accent); }
  .ind-card img { display: block; width: 100%; height: auto; }
  .ind-body { padding: 20px 22px 22px; }
  .ind-body .microlabel { display: block; margin-bottom: 10px; color: var(--accent); }
  .ind-body h3 { font-size: 17.5px; font-weight: 600; color: var(--text); }
  .ind-body p { margin-top: 8px; font-size: 13.5px; color: var(--muted); }
  /* ---------- guides ---------- */
  .guide { max-width: 780px; padding-block: clamp(48px, 6vw, 88px); }
  .guide > .microlabel { display: block; margin-bottom: 14px; color: var(--accent); }
  .guide h1 {
    font-size: clamp(28px, 3.6vw, 40px);
    line-height: 1.14;
    font-weight: 700;
    letter-spacing: -0.015em;
    text-wrap: balance;
  }
  .guide-meta {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.08em;
    color: var(--muted);
    margin: 12px 0 36px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--line);
  }
  .guide-lead { font-size: 18px; line-height: 1.65; color: var(--text); max-width: 62ch; }
  .guide h2 { font-size: 21px; font-weight: 700; margin: 44px 0 14px; letter-spacing: -0.01em; }
  .guide p, .guide li { color: #A9B6C9; font-size: 15.5px; line-height: 1.75; max-width: 68ch; }
  .guide p { margin-bottom: 16px; }
  .guide strong { color: var(--text); font-weight: 600; }
  .guide em { color: var(--pale); font-style: italic; }
  .callout {
    border-left: 3px solid var(--accent);
    background: var(--panel);
    border-radius: 0 6px 6px 0;
    padding: 16px 20px;
    margin: 24px 0;
    color: var(--text);
    font-size: 15px;
    max-width: 68ch;
  }
  .guide .faq { margin-top: 8px; }
  .guide-cta {
    margin-top: 48px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--panel);
    padding: 28px;
  }
  .guide-cta h2 { margin-top: 0; }
  .guide-cta p { color: var(--muted); }
  .guide-cta .hero-ctas { margin-top: 20px; }

  .guides-index h1 {
    font-size: clamp(26px, 3.2vw, 36px);
    line-height: 1.15;
    font-weight: 700;
    letter-spacing: -0.015em;
  }
  .guide-list { display: grid; gap: 20px; max-width: 780px; }
  .guide-card {
    display: block;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 24px 26px;
    color: inherit;
  }
  .guide-card:hover { border-color: var(--accent); }
  .guide-card .microlabel { display: block; margin-bottom: 10px; color: var(--accent); }
  .guide-card h2 { font-size: 19px; font-weight: 600; color: var(--text); line-height: 1.35; }
  .guide-card p { margin-top: 10px; font-size: 14px; color: var(--muted); }
  .guide-upnext {
    margin-top: 26px;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.04em;
    color: var(--muted);
    max-width: 780px;
    line-height: 2;
  }
  /* ---------- coming-soon notice (soft launch 2026-10: API notice, SDK page) ---------- */
  .coming-soon {
    margin: 28px 0 0;
    padding: 16px 20px;
    border: 1px solid var(--accent);
    border-left-width: 4px;
    border-radius: 6px;
    background: var(--panel-2);
  }
  .coming-soon .microlabel { color: var(--pale); }
  .coming-soon h2, .coming-soon h3 { margin: 4px 0 6px; font-size: 1.15rem; }
  .coming-soon p { color: var(--muted); margin: 0; }
  .tag.tag-soon { border-color: var(--accent); color: var(--pale); }