:root {
    --band: #36101A;
    --band-2: #4A1624;
    --band-ink: #F3E8DA;
    --band-muted: #CDB7B0;
    --gold: #CDA85E;
    --bg: #F8F2F0;
    --bg-2: #EFE3E0;
    --surface: #FFFFFF;
    --ink: #2B0E16;
    --muted: #5F444B;
    --line: rgba(54, 16, 26, .2);
    --accent: #7A5A1E;
    --serif: "Bodoni Moda", "Didot", "Bodoni 72", Georgia, "Times New Roman", serif;
    --sans: "Hanken Grotesk", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --pad: clamp(20px, 5vw, 56px);
    --r: 4px;
    box-sizing: border-box;
    padding-top: env(safe-area-inset-top, 0px);
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }
  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
      --bg: #170709; --bg-2: #20090F; --surface: #2A0E16;
      --ink: #F0E5D8; --muted: #B9A2A6; --line: rgba(240, 229, 216, .2); --accent: #D2B06A;
    }
  }
  :root[data-theme="dark"] {
    --bg: #170709; --bg-2: #20090F; --surface: #2A0E16;
    --ink: #F0E5D8; --muted: #B9A2A6; --line: rgba(240, 229, 216, .2); --accent: #D2B06A;
  }

  *, *::before, *::after { box-sizing: inherit; }
  html { background: var(--band); scroll-padding-top: calc(env(safe-area-inset-top, 0px) + 84px); scroll-behavior: smooth; height: 100%; }
  body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); font-size: 17px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
  h1, h2, h3, h4 { font-family: var(--serif); font-weight: 500; margin: 0; line-height: 1.1; }
  p { margin: 0 0 1em; }
  a { color: inherit; }
  ul, ol { margin: 0; padding: 0; list-style: none; }
  img { max-width: 100%; display: block; }
  :focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
  .wrap { max-width: 1200px; margin: 0 auto; padding-inline: var(--pad); }
  section { padding-block: clamp(72px, 10vw, 128px); }
  h2 { font-size: clamp(2rem, 4.2vw, 3.3rem); letter-spacing: -.008em; }
  .lead { color: var(--muted); font-size: 1.08rem; max-width: 36em; }
  .bg2 { background: var(--bg-2); }
  .band { background: var(--band); color: var(--band-ink); }

  /* utility bar */
  .utility { background: #26090F; color: var(--band-muted); font-size: .84rem; }
  .utility .wrap { display: flex; justify-content: space-between; gap: 16px; padding-block: 8px; flex-wrap: wrap; }
  .utility a { text-decoration: none; margin-right: 22px; }
  .utility a:hover { color: var(--gold); }
  .utility span { color: var(--gold); }

  /* header */
  .site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 30; background: var(--band); color: var(--band-ink); border-bottom: 1px solid rgba(205,168,94,.28); transition: transform .3s ease; }
  .site-header.hide { transform: translateY(-101%); }
  .site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 76px; }
  .brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
  .brand img { width: 44px; height: auto; }
  .brand b { font-family: var(--serif); font-weight: 500; font-size: 1.5rem; letter-spacing: .02em; line-height: 1; }
  .brand small { display: block; font-family: var(--sans); font-size: .72rem; color: var(--band-muted); margin-top: 4px; letter-spacing: .03em; }
  nav > ul { display: flex; align-items: center; gap: 6px; }
  nav > ul > li { position: relative; }
  nav a.nl { display: block; text-decoration: none; font-size: .95rem; color: var(--band-muted); padding: 26px 13px; transition: color .2s; }
  nav a.nl:hover, nav li:focus-within > a.nl { color: var(--band-ink); }
  .sub { position: absolute; top: 100%; left: 0; min-width: 290px; background: var(--band-2); border: 1px solid rgba(205,168,94,.3); border-top: 2px solid var(--gold); padding: 10px; display: none; box-shadow: 0 18px 40px rgba(0,0,0,.35); }
  li.has-sub:hover .sub, li.has-sub:focus-within .sub { display: block; }
  .sub a { display: block; text-decoration: none; padding: 11px 14px; border-radius: 3px; font-size: .94rem; }
  .sub a small { display: block; color: var(--band-muted); font-size: .8rem; margin-top: 2px; }
  .sub a:hover { background: rgba(205,168,94,.14); }
  .menu-btn { display: none; background: none; border: 1px solid rgba(205,168,94,.5); color: var(--band-ink); font: inherit; font-size: .9rem; padding: 8px 14px; border-radius: 3px; cursor: pointer; }

  .btn { display: inline-block; font-family: var(--sans); font-size: .98rem; font-weight: 600; text-decoration: none; padding: 14px 26px; border-radius: 3px; border: 1px solid var(--gold); transition: background .2s, color .2s; cursor: pointer; }
  .btn-gold { background: var(--gold); color: #2B0E16; }
  .btn-gold:hover { background: #E0BE78; }
  .btn-line { background: transparent; color: var(--band-ink); }
  .btn-line:hover { background: rgba(205,168,94,.16); }
  .btn-sm { padding: 10px 20px; font-size: .9rem; }
  .cta-row { display: flex; flex-wrap: wrap; gap: 14px; }

  /* hero */
  .hero { position: relative; overflow: hidden; padding-block: clamp(56px, 8vw, 104px) clamp(64px, 8vw, 110px); background: radial-gradient(1000px 520px at 85% 0%, rgba(205,168,94,.14), transparent 60%), var(--band); }
  .hero::before { content: ""; position: absolute; right: -6%; top: 50%; width: min(58vw, 760px); aspect-ratio: 1; transform: translateY(-50%); background: url("../assets/mark.png") center/contain no-repeat; opacity: .07; pointer-events: none; }
  .hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 72px); align-items: center; }
  .hero h1 { font-size: clamp(2.7rem, 5.8vw, 5rem); line-height: 1.03; letter-spacing: -.012em; margin-bottom: 26px; }
  .hero .lede { text-wrap: pretty; font-size: clamp(1.05rem, 1.5vw, 1.2rem); color: var(--band-muted); max-width: 33em; margin-bottom: 34px; }

  .planner { background: rgba(26, 6, 11, .62); border: 1px solid rgba(205,168,94,.35); border-radius: var(--r); padding: clamp(20px, 3vw, 32px); backdrop-filter: blur(6px); }
  .planner h2 { font-size: 1.5rem; margin-bottom: 6px; letter-spacing: 0; }
  .planner .hint { color: var(--band-muted); font-size: .92rem; margin-bottom: 18px; }
  .chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
  .chip { font: inherit; font-size: .9rem; color: var(--band-ink); background: transparent; border: 1px solid rgba(205,168,94,.45); border-radius: 999px; padding: 8px 15px; cursor: pointer; transition: background .2s, color .2s; }
  .chip:hover { background: rgba(205,168,94,.15); }
  .chip[aria-pressed="true"] { background: var(--gold); color: #2B0E16; border-color: var(--gold); font-weight: 600; }
  .plan-out { border-top: 1px solid rgba(205,168,94,.3); padding-top: 20px; min-height: 250px; }
  .plan-out h3 { font-size: 1.35rem; margin-bottom: 8px; }
  .plan-out p { color: var(--band-muted); font-size: .96rem; }
  .plan-out ul li { position: relative; padding-left: 20px; margin-bottom: 7px; font-size: .95rem; }
  .plan-out ul li::before { content: ""; position: absolute; left: 0; top: .8em; width: 9px; height: 1px; background: var(--gold); }
  .plan-out .go { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 8px 22px; align-items: center; font-size: .92rem; }
  .plan-out .go a.t { color: var(--gold); text-decoration: none; border-bottom: 1px solid rgba(205,168,94,.5); }
  .plan-out .go a.t:hover { border-color: var(--gold); }

  /* logo strip */
  .logos { padding-block: 0; background: var(--bg); }
  .tray { position: relative; z-index: 2; margin-top: -44px; background: #fff; border-radius: var(--r); padding: 26px clamp(20px, 4vw, 48px); display: grid; grid-template-columns: auto 1fr; gap: 20px 40px; align-items: center; box-shadow: 0 22px 50px rgba(20,0,6,.28); }
  .tray p { margin: 0; color: #5F444B; font-size: .9rem; max-width: 12em; line-height: 1.4; }
  .tray ul { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 22px 36px; }
  .tray img { height: 46px; width: auto; object-fit: contain; }
  .tray li:nth-child(2) img { height: 60px; }
  .tray li:nth-child(3) img { height: 38px; }

  /* solutions */
  .sol-head { display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(28px, 6vw, 88px); align-items: end; margin-bottom: clamp(40px, 6vw, 68px); }
  .sol-head .lead { margin: 0; }
  .sol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
  .card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 32px 30px 30px; transition: border-color .25s, transform .25s; }
  .card:hover { border-color: var(--gold); transform: translateY(-3px); }
  .ico { width: 46px; height: 46px; color: var(--accent); margin-bottom: 22px; }
  .ico svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
  .card h3 { font-size: 1.65rem; margin-bottom: 12px; }
  .card > p { color: var(--muted); font-size: .98rem; }
  .card ul { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); }
  .card li { position: relative; padding-left: 20px; margin-bottom: 8px; font-size: .95rem; }
  .card li::before { content: ""; position: absolute; left: 0; top: .78em; width: 9px; height: 1px; background: var(--accent); }

  /* statement + why */
  .quote { display: grid; grid-template-columns: 1.2fr 1fr; gap: clamp(28px, 6vw, 88px); align-items: end; margin-bottom: clamp(52px, 7vw, 88px); }
  .quote blockquote { margin: 0; font-family: var(--serif); font-style: italic; font-weight: 400; font-size: clamp(2rem, 4.6vw, 3.8rem); line-height: 1.08; }
  .quote p { color: var(--muted); margin: 0; max-width: 30em; }
  .why { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line); }
  .why > div { padding: 26px 28px 22px 0; }
  .why > div:not(:nth-child(3n+1)) { padding-left: 28px; border-left: 1px solid var(--line); }
  .why > div:nth-child(n+4) { border-top: 1px solid var(--line); }
  .why h3 { font-size: 1.35rem; margin-bottom: 8px; }
  .why p { color: var(--muted); font-size: .96rem; margin: 0; }

  /* engagements */
  .engagements h2 { margin-bottom: 14px; }
  .engagements .lead { margin-bottom: clamp(36px, 5vw, 60px); }
  .eng-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 22px; }
  .eng { background: var(--surface); border: 1px solid var(--line); border-top: 3px solid var(--gold); border-radius: var(--r); padding: clamp(26px, 3.5vw, 44px); }
  .status { display: inline-flex; align-items: center; gap: 9px; font-size: .88rem; color: var(--accent); margin-bottom: 18px; }
  .status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--gold); }
  .eng h3 { font-size: clamp(1.9rem, 3.2vw, 2.6rem); margin-bottom: 8px; }
  .eng .kind { color: var(--muted); font-size: .95rem; margin-bottom: 18px; }
  .eng p { max-width: 34em; }
  .eng .result { margin: 22px 0 0; padding-top: 18px; border-top: 1px solid var(--line); font-size: .98rem; }

  /* approach */
  .approach h2 { max-width: 14em; margin-bottom: 18px; }
  .approach .lead { color: var(--band-muted); margin-bottom: clamp(44px, 6vw, 72px); }
  .steps { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(205,168,94,.35); }
  .step { padding: 30px 26px 8px 0; }
  .step + .step { padding-left: 26px; border-left: 1px solid rgba(205,168,94,.2); }
  .step .num { font-family: var(--serif); font-size: 2.6rem; color: var(--gold); line-height: 1; margin-bottom: 16px; display: block; }
  .step h3 { font-size: 1.45rem; margin-bottom: 12px; }
  .step p { color: var(--band-muted); font-size: .96rem; }
  .journey-title { font-family: var(--serif); font-size: 1.5rem; margin: clamp(52px, 7vw, 88px) 0 32px; }
  .journey { display: grid; grid-template-columns: repeat(7, 1fr); gap: 10px; position: relative; }
  .journey::before { content: ""; position: absolute; left: 0; right: 0; top: 6px; height: 1px; background: rgba(205,168,94,.5); }
  .journey li { position: relative; padding-top: 30px; font-size: .95rem; line-height: 1.35; }
  .journey li::before { content: ""; position: absolute; left: 0; top: 0; width: 13px; height: 13px; border-radius: 50%; background: var(--band); border: 1px solid var(--gold); }
  .journey li:last-child::before { background: var(--gold); }

  /* work */
  .work-head { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 6vw, 88px); align-items: end; margin-bottom: clamp(36px, 5vw, 60px); }
  .work-head .lead { margin: 0; }
  .work-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
  .case { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; display: flex; flex-direction: column; transition: border-color .25s, transform .25s; }
  .case:hover { border-color: var(--gold); transform: translateY(-3px); }
  .case .top { position: relative; height: 150px; background: linear-gradient(135deg, var(--band-2), var(--band)); color: var(--gold); padding: 22px 26px; display: flex; align-items: flex-end; justify-content: space-between; overflow: hidden; }
  .case .top .ico { position: absolute; right: -14px; top: -14px; width: 150px; height: 150px; margin: 0; color: rgba(205,168,94,.18); }
  .case .top .ico svg { stroke-width: 1; }
  .case .sector { position: relative; font-size: .86rem; color: var(--band-ink); background: rgba(0,0,0,.28); border: 1px solid rgba(205,168,94,.4); padding: 4px 12px; border-radius: 999px; }
  .case .body { padding: 26px 28px 30px; display: flex; flex-direction: column; flex: 1; }
  .case h3 { font-size: 1.6rem; margin-bottom: 4px; }
  .case .what { color: var(--accent); font-size: .92rem; margin-bottom: 14px; }
  .case p { color: var(--muted); font-size: .96rem; }
  .case .out { margin: auto 0 0; padding-top: 16px; border-top: 1px solid var(--line); color: var(--ink); font-size: .96rem; }
  .case .out b { font-weight: 600; }

  /* industries */
  .ind-head { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 6vw, 88px); align-items: end; margin-bottom: clamp(36px, 5vw, 56px); }
  .ind-head .lead { margin: 0; }
  .ind { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
  .ind li { display: flex; align-items: center; gap: 16px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 20px 22px; font-size: 1rem; transition: border-color .25s; }
  .ind li:hover { border-color: var(--gold); }
  .ind .ico { width: 30px; height: 30px; margin: 0; flex: none; }

  /* leadership */
  .lead-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 22px; align-items: start; margin-top: clamp(36px, 5vw, 56px); }
  .person { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: clamp(26px, 3.5vw, 40px); }
  .person + .person { margin-top: 22px; }
  .person .who { display: flex; align-items: center; gap: 18px; margin-bottom: 20px; }
  .mono { flex: none; width: 62px; height: 62px; border-radius: 50%; border: 1px solid var(--gold); background: linear-gradient(135deg, var(--band-2), var(--band)); color: var(--gold); display: grid; place-items: center; font-family: var(--serif); font-size: 1.35rem; }
  .person h3 { font-size: 1.7rem; margin-bottom: 2px; }
  .person .role { color: var(--accent); font-size: .93rem; margin: 0; }
  .person p { color: var(--muted); font-size: .98rem; }
  .person .fields { color: var(--ink); font-size: .92rem; margin: 18px 0 0; padding-top: 16px; border-top: 1px solid var(--line); }

  /* global */
  .global h2 { max-width: 12em; margin-bottom: 16px; }
  .global .lead { color: var(--band-muted); }
  .global-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(24px, 5vw, 72px); align-items: center; }
  .arc-art { width: 100%; height: auto; overflow: visible; }
  .arc-main { fill: none; stroke: var(--gold); stroke-width: 2.4; stroke-linecap: round; }
  .arc-faint { fill: none; stroke: rgba(205,168,94,.28); stroke-width: 1; }
  .arc-node { fill: var(--gold); }
  .arc-ring { fill: none; stroke: rgba(205,168,94,.55); stroke-width: 1; }
  .arc-label { fill: var(--band-ink); font-family: var(--sans); font-size: 13px; letter-spacing: .02em; }
  @media (prefers-reduced-motion: no-preference) {
    .js .arc-art .arc-main { stroke-dasharray: 1; stroke-dashoffset: 1; }
    .js .arc-art .arc-node, .js .arc-art .arc-ring, .js .arc-art .arc-label { opacity: 0; }
    .js .arc-art.in .arc-main { animation: draw 2.6s cubic-bezier(.6,.05,.2,1) .2s forwards; }
    .js .arc-art.in .arc-node, .js .arc-art.in .arc-ring, .js .arc-art.in .arc-label { animation: appear .7s ease forwards; }
    .js .arc-art.in .n1 { animation-delay: .9s; } .js .arc-art.in .n2 { animation-delay: 1.6s; } .js .arc-art.in .n3 { animation-delay: 2.4s; }
  }
  @keyframes draw { to { stroke-dashoffset: 0; } }
  @keyframes appear { to { opacity: 1; } }
  .hubs { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: clamp(44px, 6vw, 72px); border-top: 1px solid rgba(205,168,94,.35); }
  .hub { padding: 28px 26px 6px 0; }
  .hub + .hub { padding-left: 26px; border-left: 1px solid rgba(205,168,94,.2); }
  .hub h3 { font-size: 1.6rem; margin-bottom: 8px; }
  .hub > p { color: var(--band-muted); font-size: .96rem; }
  .hub li { font-size: .95rem; padding: 4px 0; }

  /* contact */
  .contact-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(28px, 6vw, 88px); align-items: start; }
  .contact h2 { margin-bottom: 16px; }
  .reach { margin-top: 30px; }
  .reach p { margin: 0 0 14px; font-size: 1rem; }
  .reach span { display: block; color: var(--muted); font-size: .85rem; }
  .reach a { text-decoration: none; }
  .reach a:hover { color: var(--accent); }
  .reach .cta-row { margin-top: 26px; }
  .reach .btn-line { color: var(--ink); border-color: var(--accent); }
  .reach .btn-line:hover { background: rgba(122,90,30,.12); }
  form { background: var(--surface); border: 1px solid var(--line); border-top: 3px solid var(--gold); border-radius: var(--r); padding: clamp(24px, 3.5vw, 40px); }
  form h3 { font-size: 1.6rem; margin-bottom: 20px; }
  .field { margin-bottom: 16px; }
  .field label { display: block; font-size: .88rem; color: var(--muted); margin-bottom: 6px; }
  .field input, .field select, .field textarea { width: 100%; font: inherit; font-size: .98rem; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 3px; padding: 12px 14px; }
  .field textarea { min-height: 120px; resize: vertical; }
  .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  form .btn { width: 100%; margin-top: 4px; }
  .form-note { margin: 14px 0 0; font-size: .88rem; color: var(--muted); min-height: 1.4em; }

  /* footer */
  footer { background: var(--band); color: var(--band-muted); padding-block: clamp(56px, 7vw, 88px) 28px; }
  .foot-grid { display: grid; grid-template-columns: 1.3fr repeat(3, 1fr); gap: clamp(28px, 5vw, 64px); padding-bottom: 48px; border-bottom: 1px solid rgba(205,168,94,.25); }
  .foot-grid img { width: 210px; height: auto; margin-bottom: 8px; }
  footer h4 { font-family: var(--sans); font-size: .95rem; font-weight: 600; color: var(--band-ink); margin-bottom: 14px; }
  footer li { margin-bottom: 9px; font-size: .93rem; }
  footer a { text-decoration: none; }
  footer a:hover { color: var(--gold); }
  .legal { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 30px; padding-top: 24px; font-size: .86rem; }
  .legal p { margin: 0; }

  /* responsive */
  @media (max-width: 1020px) {
    .hero-grid, .sol-head, .quote, .work-head, .ind-head, .lead-grid, .global-grid, .contact-grid, .eng-grid { grid-template-columns: 1fr; }
    .sol-grid, .work-grid { grid-template-columns: 1fr; }
    .ind { grid-template-columns: repeat(2, 1fr); }
    .steps { grid-template-columns: repeat(2, 1fr); }
    .step:nth-child(3) { padding-left: 0; border-left: 0; }
    .step:nth-child(n+3) { border-top: 1px solid rgba(205,168,94,.2); margin-top: 26px; }
    .why { grid-template-columns: 1fr 1fr; }
    .why > div, .why > div:not(:nth-child(3n+1)) { padding: 24px 22px 20px 0; border-left: 0; border-top: 1px solid var(--line); }
    .why > div:nth-child(2n) { padding-left: 22px; border-left: 1px solid var(--line); }
    .why > div:nth-child(-n+2) { border-top: 0; }
    .hubs { grid-template-columns: 1fr; }
    .hub, .hub + .hub { padding: 26px 0 6px; border-left: 0; }
    .hub + .hub { border-top: 1px solid rgba(205,168,94,.2); }
    .foot-grid { grid-template-columns: 1fr 1fr; }
    .journey { grid-template-columns: 1fr; gap: 0; padding-left: 4px; }
    .journey::before { left: 6px; right: auto; top: 6px; bottom: 6px; width: 1px; height: auto; }
    .journey li { padding: 0 0 20px 34px; }
    .journey li::before { left: 0; top: 2px; }
    .menu-btn { display: inline-block; }
    nav { position: absolute; left: 0; right: 0; top: 100%; background: var(--band); border-bottom: 1px solid rgba(205,168,94,.3); display: none; max-height: calc(100vh - 100px); overflow: auto; }
    nav.open { display: block; }
    nav > ul { flex-direction: column; align-items: stretch; gap: 0; padding: 6px var(--pad) 22px; }
    nav a.nl { padding: 14px 0; border-bottom: 1px solid rgba(205,168,94,.16); }
    .sub { position: static; display: block; min-width: 0; background: transparent; border: 0; box-shadow: none; padding: 0 0 8px 14px; }
    .sub a { padding: 8px 0; }
    .sub a small { display: none; }
    nav li.cta a { display: inline-block; margin-top: 14px; }
    .brand small { display: none; }
    .utility .wrap > div:last-child { display: none; }
  }
  @media (max-width: 640px) {
    .utility { display: none; }
    .tray { grid-template-columns: 1fr; margin-top: -30px; }
    .tray p { max-width: none; }
    .tray ul { justify-content: flex-start; }
    .steps, .why { grid-template-columns: 1fr; }
    .step, .step + .step, .step:nth-child(3) { padding: 28px 0 8px; border-left: 0; }
    .step + .step { border-top: 1px solid rgba(205,168,94,.2); margin-top: 0; }
    .why > div, .why > div:nth-child(2n), .why > div:not(:nth-child(3n+1)) { padding: 22px 0 18px; border-left: 0; border-top: 1px solid var(--line); }
    .why > div:first-child { border-top: 0; }
    .ind { grid-template-columns: 1fr; }
    .row2 { grid-template-columns: 1fr; }
    .foot-grid { grid-template-columns: 1fr; }
  }
  @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .site-header, .card, .case { transition: none; } }

  /* ===== multi-page additions ===== */
  .skip { position: absolute; left: -9999px; top: 8px; background: var(--gold); color: #2B0E16; padding: 10px 16px; z-index: 50; border-radius: 3px; }
  .skip:focus { left: 12px; }
  .spa .page { display: none; }
  .spa .page.active { display: block; }
  main:focus { outline: none; }

  nav a.nl.current { color: var(--band-ink); box-shadow: inset 0 -2px 0 var(--gold); }
  .card a.more, .more { display: inline-block; margin-top: 18px; color: var(--accent); text-decoration: none; border-bottom: 1px solid currentColor; font-size: .95rem; }
  .card a.more:hover, .more:hover { color: var(--ink); }
  .band .more { color: var(--gold); }

  .page-hero { position: relative; overflow: hidden; padding-block: clamp(56px, 8vw, 104px); background: radial-gradient(900px 420px at 88% 0%, rgba(205,168,94,.14), transparent 60%), var(--band); color: var(--band-ink); }
  .page-hero::before { content: ""; position: absolute; right: -4%; top: 50%; width: min(42vw, 520px); aspect-ratio: 1; transform: translateY(-50%); background: url("../assets/mark.png") center/contain no-repeat; opacity: .06; pointer-events: none; }
  .page-hero .wrap { position: relative; }
  .page-hero h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); line-height: 1.05; letter-spacing: -.01em; max-width: 15em; margin-bottom: 20px; }
  .page-hero .lead { color: var(--band-muted); margin: 0; max-width: 40em; }

  /* offer band */
  .offer { background: linear-gradient(115deg, var(--band) 0%, var(--band-2) 100%); color: var(--band-ink); }
  .offer-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(28px, 6vw, 88px); align-items: center; }
  .offer h2 { margin-bottom: 18px; }
  .offer .lead { color: var(--band-muted); margin-bottom: 28px; }
  .deliver { border: 1px solid rgba(205,168,94,.4); border-radius: var(--r); padding: clamp(22px, 3vw, 34px); background: rgba(26,6,11,.35); }
  .deliver h3 { font-size: 1.4rem; margin-bottom: 14px; }
  .deliver li { position: relative; padding: 0 0 0 26px; margin-bottom: 12px; font-size: .98rem; }
  .deliver li::before { content: ""; position: absolute; left: 0; top: .5em; width: 12px; height: 6px; border-left: 2px solid var(--gold); border-bottom: 2px solid var(--gold); transform: rotate(-45deg); }

  /* proof */
  .proof-head { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 6vw, 88px); align-items: end; margin-bottom: clamp(32px, 5vw, 52px); }
  .proof-head .lead { margin: 0; }
  .proof { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
  .proof > div { padding: 26px 24px 8px 0; }
  .proof > div + div { padding-left: 24px; border-left: 1px solid var(--line); }
  .proof h3 { font-size: 1.5rem; margin-bottom: 10px; line-height: 1.15; }
  .proof p { color: var(--muted); font-size: .95rem; margin: 0 0 8px; }
  .proof .who { color: var(--accent); font-size: .88rem; }

  /* insights preview + articles */
  .ins-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: clamp(28px, 4vw, 44px); }
  .ins-card { display: block; text-decoration: none; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 26px 26px 22px; transition: border-color .25s, transform .25s; }
  .ins-card:hover { border-color: var(--gold); transform: translateY(-3px); }
  .ins-card h3 { font-size: 1.35rem; margin-bottom: 10px; }
  .ins-card p { color: var(--muted); font-size: .95rem; margin: 0 0 12px; }
  .ins-card span { color: var(--accent); font-size: .92rem; }
  .article { max-width: 46em; padding-bottom: clamp(36px, 5vw, 56px); margin-bottom: clamp(36px, 5vw, 56px); border-bottom: 1px solid var(--line); }
  .article:last-child { border-bottom: 0; margin-bottom: 0; }
  .article h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); margin-bottom: 8px; }
  .article .meta { color: var(--accent); font-size: .9rem; margin-bottom: 20px; }
  .article p { color: var(--ink); }
  .article p + p { margin-top: 1em; }

  /* models, tech, faq */
  .models { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
  .model { background: var(--surface); border: 1px solid var(--line); border-top: 3px solid var(--gold); border-radius: var(--r); padding: 30px 28px 26px; }
  .model h3 { font-size: 1.55rem; margin-bottom: 8px; }
  .model .for { color: var(--accent); font-size: .92rem; margin-bottom: 16px; }
  .model ul { border-top: 1px solid var(--line); padding-top: 14px; }
  .model li { position: relative; padding-left: 20px; margin-bottom: 8px; font-size: .95rem; }
  .model li::before { content: ""; position: absolute; left: 0; top: .78em; width: 9px; height: 1px; background: var(--accent); }
  .note { margin-top: 24px; color: var(--muted); font-size: .96rem; max-width: 46em; }
  .tech { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
  .tech li { border: 1px solid var(--line); background: var(--surface); border-radius: 999px; padding: 8px 16px; font-size: .93rem; }
  details.faq { border-top: 1px solid var(--line); }
  details.faq:last-of-type { border-bottom: 1px solid var(--line); }
  details.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 20px; align-items: center; padding: 22px 0; font-family: var(--serif); font-size: 1.35rem; }
  details.faq summary::-webkit-details-marker { display: none; }
  details.faq summary::after { content: "+"; color: var(--accent); font-size: 1.7rem; line-height: 1; }
  details.faq[open] summary::after { content: "\2212"; }
  details.faq p { color: var(--muted); max-width: 46em; padding-bottom: 8px; }
  .faq-wrap { max-width: 860px; }

  /* governance */
  .gov-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
  .gov-grid > div { padding: 26px 26px 20px 0; border-bottom: 1px solid var(--line); }
  .gov-grid > div:not(:nth-child(3n+1)) { padding-left: 26px; border-left: 1px solid var(--line); }
  .gov-grid h3 { font-size: 1.35rem; margin-bottom: 8px; }
  .gov-grid p { color: var(--muted); font-size: .96rem; margin: 0; }
  .reg-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: clamp(28px, 4vw, 44px); }
  .reg { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: clamp(24px, 3vw, 36px); }
  .reg h3 { font-size: 1.7rem; margin-bottom: 14px; }
  .reg li { position: relative; padding-left: 20px; margin-bottom: 10px; font-size: .97rem; }
  .reg li::before { content: ""; position: absolute; left: 0; top: .78em; width: 9px; height: 1px; background: var(--accent); }
  .disclaimer { margin-top: 22px; color: var(--muted); font-size: .9rem; max-width: 48em; }

  .next { display: grid; gap: 14px; margin-top: 28px; counter-reset: n; }
  .next li { position: relative; padding-left: 44px; }
  .next li::before { counter-increment: n; content: counter(n); position: absolute; left: 0; top: -2px; width: 30px; height: 30px; border-radius: 50%; border: 1px solid var(--gold); color: var(--accent); display: grid; place-items: center; font-family: var(--serif); }

  .cta-band { background: radial-gradient(900px 420px at 15% 110%, rgba(205,168,94,.14), transparent 60%), var(--band); padding-block: clamp(64px, 8vw, 104px); }
  .cta-band .wrap { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(28px, 6vw, 88px); align-items: center; }
  .cta-band h2 { font-size: clamp(2rem, 4.4vw, 3.6rem); line-height: 1.05; margin-bottom: 14px; }
  .cta-band .lead { color: var(--band-muted); margin: 0; }
  .cta-band .cta-row { justify-content: flex-end; }

  @media (max-width: 1020px) {
    .offer-grid, .proof-head, .cta-band .wrap, .reg-grid { grid-template-columns: 1fr; }
    .ins-grid, .models { grid-template-columns: 1fr; }
    .proof { grid-template-columns: 1fr 1fr; }
    .proof > div, .proof > div + div { padding: 24px 22px 12px 0; border-left: 0; border-top: 1px solid var(--line); }
    .proof > div:nth-child(2n) { padding-left: 22px; border-left: 1px solid var(--line); }
    .proof > div:nth-child(-n+2) { border-top: 0; }
    .gov-grid { grid-template-columns: 1fr 1fr; }
    .gov-grid > div, .gov-grid > div:not(:nth-child(3n+1)) { padding: 24px 22px 20px 0; border-left: 0; }
    .gov-grid > div:nth-child(2n) { padding-left: 22px; border-left: 1px solid var(--line); }
    .cta-band .cta-row { justify-content: flex-start; }
  }
  @media (max-width: 640px) {
    .proof, .gov-grid { grid-template-columns: 1fr; }
    .proof > div, .proof > div:nth-child(2n), .proof > div + div, .gov-grid > div, .gov-grid > div:nth-child(2n), .gov-grid > div:not(:nth-child(3n+1)) { padding: 22px 0 16px; border-left: 0; }
    .proof > div:nth-child(2) { border-top: 1px solid var(--line); }
    details.faq summary { font-size: 1.15rem; }
  }

/* ===== PHP version: form feedback ===== */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.alert { border-radius: 3px; padding: 14px 16px; margin-bottom: 20px; font-size: .96rem; border: 1px solid; }
.alert.ok { background: rgba(60, 120, 70, .12); border-color: rgba(60, 120, 70, .5); }
.alert.bad { background: rgba(160, 40, 40, .1); border-color: rgba(160, 40, 40, .5); }
.field .err { color: #a52a2a; font-size: .86rem; margin: 6px 0 0; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .field .err { color: #ff9b9b; } }
.field input[aria-invalid="true"], .field textarea[aria-invalid="true"] { border-color: #a52a2a; }
form .btn:disabled { opacity: .6; cursor: progress; }