:root {
    --paper: #f3f0e8;
    --paper-2: #ebe7dc;
    --ink: #121212;
    --ink-2: #2a2926;
    --muted: #5f5b52;
    --line: #d6d0c2;
    --accent: #c2410c;
    --accent-ink: #e8590c;
    --dark: #121212;
    --dark-line: rgba(243, 240, 232, 0.14);
    --dark-muted: rgba(243, 240, 232, 0.62);
    --serif: 'Instrument Serif', Georgia, 'Times New Roman', serif;
    --sans: 'IBM Plex Sans', -apple-system, 'Segoe UI', Roboto, sans-serif;
    --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
    --wrap: 1200px;
    --pad: clamp(20px, 4vw, 48px);
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }
  body {
    background: var(--paper);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 17px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }
  a { color: inherit; }
  .wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--pad); }
  .mono { font-family: var(--mono); }
  .eyebrow {
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
  }
  .eyebrow b { color: var(--accent); font-weight: 500; }
  h1, h2, h3 { font-weight: 400; text-wrap: balance; }
  p { text-wrap: pretty; }
  :focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

  /* Nav */
  header.nav {
    position: sticky; top: 0; z-index: 20;
    background: rgba(243, 240, 232, 0.92);
    backdrop-filter: saturate(140%) blur(6px);
    border-bottom: 1px solid var(--line);
  }
  .nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 24px; }
  .brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
  .brand-mark { width: 18px; height: 18px; border: 3px solid var(--accent); display: inline-block; }
  .brand-name { font-family: var(--mono); font-weight: 500; letter-spacing: 0.14em; font-size: 14px; }
  .brand-sub { font-size: 13px; color: var(--muted); display: none; }
  @media (min-width: 900px) { .brand-sub { display: inline; } }
  .nav-links { display: flex; align-items: center; gap: 28px; }
  .nav-links a.l { text-decoration: none; font-size: 14px; color: var(--ink-2); }
  .nav-links a.l:hover { color: var(--accent); }
  .lang { display: flex; border: 1px solid var(--line); }
  .lang button {
    font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em;
    background: transparent; border: 0; padding: 6px 9px; cursor: pointer; color: var(--muted);
    min-height: 32px;
  }
  .lang button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
  .btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    font-family: var(--mono); font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase;
    text-decoration: none; padding: 14px 22px; min-height: 48px;
    border: 1px solid var(--ink); background: var(--ink); color: var(--paper); cursor: pointer;
    transition: background .15s, color .15s, border-color .15s;
  }
  .btn:hover { background: var(--accent); border-color: var(--accent); }
  .btn.ghost { background: transparent; color: var(--ink); }
  .btn.ghost:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
  .btn.sm { padding: 9px 14px; min-height: 38px; font-size: 12px; }
  @media (max-width: 860px) { .nav-links a.l, .nav-links .btn.sm { display: none; } }

  /* Hero */
  .hero { padding: clamp(56px, 9vw, 120px) 0 clamp(56px, 8vw, 104px); border-bottom: 1px solid var(--line); }
  .hero-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: end; }
  @media (max-width: 960px) { .hero-grid { grid-template-columns: 1fr; } }
  .hero h1 {
    font-family: var(--serif);
    font-size: clamp(46px, 7.2vw, 104px);
    line-height: 0.98;
    letter-spacing: -0.015em;
    margin: 22px 0 28px;
  }
  .hero h1 em { font-style: italic; color: var(--accent); }
  .hero .lede { font-size: clamp(17px, 1.5vw, 20px); color: var(--ink-2); max-width: 34em; }
  .hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 36px; }

  .spec {
    background: var(--dark); color: var(--paper);
    font-family: var(--mono); font-size: 13px; line-height: 1.75;
    border: 1px solid var(--dark);
  }
  .spec-head {
    display: flex; justify-content: space-between; align-items: center;
    padding: 12px 18px; border-bottom: 1px solid var(--dark-line);
    color: var(--dark-muted); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  }
  .spec-head .dot { width: 8px; height: 8px; background: #3fb950; display: inline-block; margin-right: 8px; }
  .spec pre { padding: 20px 18px 22px; overflow-x: auto; font-family: inherit; white-space: pre; }
  .spec .k { color: var(--dark-muted); }
  .spec .v { color: var(--paper); }
  .spec .s { color: #f0a36b; }
  .spec .c { color: rgba(243,240,232,0.38); }
  .spec-foot { padding: 12px 18px; border-top: 1px solid var(--dark-line); color: var(--dark-muted); font-size: 11px; letter-spacing: 0.06em; }

  /* Sections */
  section { padding: clamp(72px, 10vw, 128px) 0; }
  .sec-head { display: grid; grid-template-columns: 1fr 2fr; gap: clamp(24px, 4vw, 64px); margin-bottom: clamp(40px, 6vw, 72px); }
  @media (max-width: 860px) { .sec-head { grid-template-columns: 1fr; } }
  .sec-head h2 { font-family: var(--serif); font-size: clamp(36px, 4.6vw, 64px); line-height: 1.02; letter-spacing: -0.01em; }
  .sec-head p { color: var(--muted); font-size: 18px; max-width: 36em; align-self: end; }

  /* Services index */
  .svc { border-top: 1px solid var(--ink); }
  .svc-row {
    display: grid; grid-template-columns: 48px 1.1fr 1.4fr; gap: clamp(16px, 3vw, 48px);
    padding: clamp(28px, 4vw, 44px) 0; border-bottom: 1px solid var(--line);
  }
  @media (max-width: 860px) { .svc-row { grid-template-columns: 1fr; gap: 12px; } }
  .svc-num { font-family: var(--mono); font-size: 13px; color: var(--accent); padding-top: 10px; }
  .svc-row h3 { font-family: var(--serif); font-size: clamp(30px, 3.2vw, 42px); line-height: 1.05; }
  .svc-body p { color: var(--ink-2); }
  .svc-body ul { list-style: none; margin-top: 18px; display: grid; gap: 8px; }
  .svc-body li { font-size: 15px; color: var(--muted); padding-left: 22px; position: relative; }
  .svc-body li::before { content: ""; position: absolute; left: 0; top: 0.72em; width: 10px; height: 1px; background: var(--accent); }

  /* Principles */
  .principles { background: var(--paper-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .pr-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: clamp(32px, 6vw, 96px); }
  @media (max-width: 860px) { .pr-grid { grid-template-columns: 1fr; } }
  .pr-intro { position: sticky; top: 104px; align-self: start; }
  @media (max-width: 860px) { .pr-intro { position: static; } }
  .pr-intro h2 { font-family: var(--serif); font-size: clamp(36px, 4.6vw, 64px); line-height: 1.02; margin: 18px 0 22px; }
  .pr-intro p { color: var(--muted); }
  .pr-list { list-style: none; counter-reset: pr; }
  .pr-list li { counter-increment: pr; padding: 26px 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: 56px 1fr; gap: 12px; }
  .pr-list li:last-child { border-bottom: 1px solid var(--line); }
  .pr-list li::before { content: counter(pr, decimal-leading-zero); font-family: var(--mono); font-size: 13px; color: var(--muted); padding-top: 4px; }
  .pr-list h3 { font-family: var(--sans); font-weight: 600; font-size: 19px; margin-bottom: 6px; }
  .pr-list p { color: var(--ink-2); font-size: 16px; }

  /* Mission */
  .mission { background: var(--dark); color: var(--paper); }
  .mission .eyebrow { color: var(--dark-muted); }
  .mission blockquote {
    font-family: var(--serif); font-size: clamp(34px, 5.2vw, 76px); line-height: 1.04; letter-spacing: -0.01em;
    max-width: 18em; margin: 26px 0 48px;
  }
  .mission blockquote em { color: var(--accent-ink); }
  .mission-cols { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 5vw, 72px); border-top: 1px solid var(--dark-line); padding-top: 32px; }
  @media (max-width: 860px) { .mission-cols { grid-template-columns: 1fr; } }
  .mission-cols p { color: var(--dark-muted); font-size: 17px; }

  /* Process */
  .steps { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--ink); }
  @media (max-width: 960px) { .steps { grid-template-columns: 1fr 1fr; } }
  @media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }
  .step { padding: 24px 22px 28px 0; border-right: 1px solid var(--line); }
  .step + .step { padding-left: 22px; }
  .step:last-child { border-right: 0; }
  @media (max-width: 960px) {
    .step, .step + .step { padding: 22px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  }
  .step .n { font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: 0.08em; }
  .step h3 { font-family: var(--serif); font-size: 28px; line-height: 1.1; margin: 14px 0 10px; }
  .step p { font-size: 15px; color: var(--muted); }

  /* Contact */
  .contact { border-top: 1px solid var(--line); }
  .ct-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: clamp(32px, 6vw, 96px); }
  @media (max-width: 900px) { .ct-grid { grid-template-columns: 1fr; } }
  .ct-intro h2 { font-family: var(--serif); font-size: clamp(40px, 5vw, 72px); line-height: 1; margin: 18px 0 22px; }
  .ct-intro p { color: var(--muted); }
  .ct-intro .fine { margin-top: 28px; font-size: 14px; border-top: 1px solid var(--line); padding-top: 18px; }
  form { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 20px; }
  @media (max-width: 560px) { form { grid-template-columns: 1fr; } }
  .f { display: grid; gap: 8px; }
  .f.full { grid-column: 1 / -1; }
  label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
  input, select, textarea {
    font: inherit; font-size: 16px; color: var(--ink);
    background: #fbfaf6; border: 1px solid var(--line); border-radius: 0;
    padding: 13px 14px; min-height: 48px; width: 100%;
    transition: border-color .15s;
  }
  input:hover, select:hover, textarea:hover { border-color: #b9b2a2; }
  input:focus, select:focus, textarea:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px rgba(194, 65, 12, 0.18); }
  textarea { min-height: 140px; resize: vertical; }
  select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%), linear-gradient(135deg, var(--ink) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 40px; }
  .hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
  .form-foot { grid-column: 1 / -1; display: flex; align-items: center; gap: 20px; flex-wrap: wrap; margin-top: 4px; }
  .status { font-family: var(--mono); font-size: 13px; color: var(--muted); }
  .status.err { color: #b42318; }
  .status.ok { color: #1a7f37; }
  .btn[disabled] { opacity: .55; cursor: progress; }
  .done-box { grid-column: 1 / -1; border: 1px solid var(--ink); padding: 28px; background: #fbfaf6; }
  .done-box h3 { font-family: var(--serif); font-size: 34px; margin-bottom: 8px; }
  .done-box .ref { font-family: var(--mono); font-size: 14px; color: var(--accent); margin-top: 14px; }

  /* Footer */
  footer { background: var(--dark); color: var(--dark-muted); padding: 40px 0; font-size: 14px; }
  footer .wrap { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; align-items: center; }
  footer .brand-name { color: var(--paper); }
  footer a { text-decoration: underline; text-underline-offset: 3px; }
  footer a:hover { color: var(--paper); }

/* Mission bar */
.mb { background: var(--dark); color: var(--paper); }
.mb .wrap { padding-top: 16px; padding-bottom: 16px; }
.mb p { font-family: var(--serif); font-style: italic; font-size: clamp(18px, 2vw, 21px); line-height: 1.35; color: rgba(243, 240, 232, 0.94); display: flex; align-items: center; gap: 12px; }
.mb-mark { width: 9px; height: 9px; background: var(--accent-ink); display: inline-block; flex: 0 0 auto; }
.mb em { color: var(--accent-ink); }

/* Language selector */
.langsel select {
  font-family: var(--mono); font-size: 12.5px; color: var(--ink);
  background: #fbfaf6; border: 1px solid var(--line);
  padding: 8px 30px 8px 12px; min-height: 38px; width: auto; cursor: pointer;
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%), linear-gradient(135deg, var(--ink) 50%, transparent 50%);
  background-position: calc(100% - 16px) 55%, calc(100% - 11px) 55%;
  background-size: 5px 5px; background-repeat: no-repeat;
}
.langsel select:hover { border-color: #b9b2a2; }
.langsel select:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px rgba(194, 65, 12, 0.18); }

/* Direct email */
.ct-mail { margin-top: 20px; font-size: 16px; color: var(--ink-2); }
.ct-mail a { color: var(--accent); font-family: var(--mono); text-decoration: underline; text-underline-offset: 3px; }
.ct-mail a:hover { color: var(--ink); }