:root {
  --paper: #f3f1eb;
  --paper-2: #e8e4db;
  --white: #fffcf8;
  --ink: #121418;
  --ink-soft: #2c313a;
  --muted: #5c6370;
  --line: #ddd8ce;
  --line-strong: #cfc8bb;
  --blue: #1f4ed8;
  --blue-deep: #173eb0;
  --blue-soft: #e7eeff;
  --dark: #101218;
  --dark-2: #191c24;
  --cream: #f6f3ec;
  --orange: #ef6a2f;
  --danger: #9d2c2c;
  --ok: #1d6b45;
  --shadow: 0 24px 60px rgba(16, 18, 24, 0.18);
  --serif: "Instrument Serif", Georgia, "Times New Roman", serif;
  --sans: "Instrument Sans", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --header: 4.5rem;
  --radius: 14px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body.nav-open { overflow: hidden; }

img { max-width: 100%; height: auto; display: block; }

a { color: inherit; }

button, input, select, textarea { font: inherit; color: inherit; }

h1, h2, h3, p, ul, ol, dl, figure { margin: 0; }

h1, h2, .serif { font-family: var(--serif); font-weight: 400; letter-spacing: -0.03em; }

h1 { font-size: clamp(2.5rem, 6vw, 4.6rem); line-height: 0.98; }

h2 { font-size: clamp(2rem, 4vw, 3.15rem); line-height: 1.05; }

h3 { font-size: 1.25rem; line-height: 1.3; letter-spacing: -0.02em; font-weight: 600; }

p + p { margin-top: 0.9rem; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--ink);
  color: white;
  padding: 0.7rem 1rem;
  z-index: 100;
  border-radius: 8px;
}

.skip:focus { top: 1rem; }

:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

::selection { background: #d9e4ff; }

.container { width: min(1120px, calc(100% - 2rem)); margin-inline: auto; }

.section { padding: 4.5rem 0; }

.section-head { max-width: 40rem; margin-bottom: 2.25rem; }

.section-head p, .lede { color: var(--ink-soft); font-size: 1.125rem; }

.lede { max-width: 38rem; margin-top: 1.25rem; }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.9rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header);
  background: rgba(243, 241, 235, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled { border-bottom-color: var(--line); }

.header-bar {
  height: 100%;
  width: min(1180px, calc(100% - 1.5rem));
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  flex: 0 0 auto;
  min-width: max-content;
  white-space: nowrap;
}

.logo-mark {
  width: 1.85rem;
  height: 1.85rem;
  flex: 0 0 auto;
  display: block;
}

.logo-word {
  font-family: Syne, "Arial Black", sans-serif;
  font-weight: 700;
  font-size: 1.35rem;
  font-stretch: normal;
  letter-spacing: 0;
  line-height: 1;
  color: var(--ink);
}

.logo-word span { color: #2454f0; }

.logo-on-dark .logo-word { color: var(--cream); }
.logo-on-dark .logo-word span { color: #8eafff; }

.footer-brand .logo-mark { width: 2.15rem; height: 2.15rem; }
.footer-brand .logo-word { font-size: 1.55rem; }

.nav-toggle {
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--line-strong);
  background: var(--white);
  border-radius: 10px;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.nav-toggle-bar {
  display: block;
  width: 1rem;
  height: 1.5px;
  background: var(--ink);
}

.header-cta { margin-left: auto; min-height: 2.6rem; padding-inline: 0.9rem; }

.nav {
  display: none;
}

.nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav a { text-decoration: none; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.15rem;
  border-radius: 10px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.15s ease, border-color 0.15s ease;
}

.btn-primary { background: var(--blue); color: white; }
.btn-primary:hover { background: var(--blue-deep); }
.btn-light { background: var(--cream); color: var(--ink); }
.btn-light:hover { background: white; }
.btn-ghost { background: transparent; color: var(--cream); border-color: rgba(246, 243, 236, 0.28); }
.btn-ghost:hover { border-color: var(--cream); }
.btn-line { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn-line:hover { border-color: var(--ink); }

.hero {
  background: var(--dark);
  color: var(--cream);
  padding: 2.5rem 0 3.5rem;
}

.hero-grid { display: grid; gap: 2.5rem; }

.brand-line {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #b7c4ea;
  margin-bottom: 1rem;
}

.hero h1 { max-width: 17ch; }

.hero .lede { color: #d7d2c8; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.75rem; }

.trust {
  margin-top: 1.5rem;
  color: #b9b3a8;
  font-size: 0.92rem;
}

.dash {
  background: var(--white);
  color: var(--ink);
  border-radius: 18px;
  padding: 1.1rem;
  box-shadow: var(--shadow);
}

.dash-top, .dash-row, .legend {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: center;
}

.dash-top, .dash-foot, .legend, .metric span, .dash-row em {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.dash-note {
  color: var(--blue);
}

.dash-title {
  font-family: var(--serif);
  font-size: 1.7rem;
  letter-spacing: -0.03em;
  margin: 0.85rem 0 1rem;
}

.metric-grid, .dash-rows { display: grid; gap: 0.7rem; }

.metric-grid { grid-template-columns: 1fr 1fr; margin-bottom: 1rem; }

.metric {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.75rem 0.8rem;
  background: #faf8f4;
}

.metric strong { display: block; margin-top: 0.2rem; font-size: 1.05rem; letter-spacing: -0.03em; }

.spark { width: 100%; height: auto; display: block; margin: 0.35rem 0 0.85rem; }

.legend { margin-bottom: 0.8rem; }

.swatch { width: 0.7rem; height: 0.7rem; border-radius: 2px; display: inline-block; margin-right: 0.35rem; }
.swatch-a { background: var(--blue); }
.swatch-b { background: var(--orange); }

.dash-rows { list-style: none; padding: 0; }
.dash-row { padding-top: 0.55rem; }
.dash-row span:first-child { width: 6.5rem; flex: 0 0 auto; font-size: 0.92rem; }
.bar { flex: 1; height: 6px; background: #ece7de; border-radius: 99px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--blue); width: var(--w); transform-origin: left; animation: grow 0.8s ease both; }
.dash-foot { margin-top: 0.9rem; line-height: 1.45; text-transform: none; letter-spacing: 0; font-family: var(--sans); font-size: 0.8rem; }

@keyframes grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }

.card-grid, .insight-grid, .case-list, .principle-grid, .industry-grid { display: grid; gap: 0.9rem; }

.card, .measure-item, .step, .industry-card, .case, .insight-card, .principle, .legal-block {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.card, .industry-card, .insight-card, .principle, .step {
  padding: 1.2rem 1.15rem 1.25rem;
}

.card { text-decoration: none; display: flex; flex-direction: column; min-height: 100%; transition: border-color 0.15s ease, transform 0.15s ease; }
.card:hover { border-color: #b9c8f5; transform: translateY(-2px); }
.card-index, .step-no, .result-label {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--blue);
  letter-spacing: 0.08em;
}
.card h3, .industry-card h2, .insight-card h2, .case h2 { margin: 0.55rem 0 0.45rem; }
.industry-card h2, .insight-card h2, .case h2 { font-size: clamp(1.45rem, 2.4vw, 2rem); }
.industry-card ul, .case ul { margin: 0.75rem 0 0; padding-left: 1.1rem; color: var(--ink-soft); }
.industry-card li + li { margin-top: 0.3rem; }
.section-head a, .contact-copy a, .lede a, .case .meta a { color: var(--blue-deep); }
.card p, .industry-card p, .insight-card p, .step p, .principle p { color: var(--ink-soft); }
.card-more { margin-top: auto; padding-top: 1rem; font-weight: 600; font-size: 0.95rem; }

.process { background: var(--dark); color: var(--cream); }
.process .eyebrow, .process .section-head p { color: #c9c3b8; }
.process h2 { max-width: 14ch; }

.step { background: transparent; border-color: rgba(246, 243, 236, 0.14); }
.step h3 { color: var(--cream); margin: 0.7rem 0 0.45rem; }
.step p { color: #d4cec3; }

.measure-list { display: grid; gap: 0.75rem; }
.measure-item { padding: 1rem 1.1rem; }
.measure-item dt { font-weight: 600; letter-spacing: -0.02em; }
.measure-item dd { margin: 0.25rem 0 0; color: var(--muted); }

.note {
  margin-top: 1.25rem;
  color: var(--muted);
  max-width: 46rem;
  font-size: 0.98rem;
}

.industry-home { display: grid; gap: 0; border-top: 1px solid var(--line); }
.industry-home a {
  display: grid;
  gap: 0.2rem;
  padding: 1.1rem 0;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}
.industry-home strong { letter-spacing: -0.03em; }
.industry-home span { color: var(--muted); }

.insight-card { text-decoration: none; display: flex; flex-direction: column; }
.insight-card:hover { border-color: #b9c8f5; }
.meta { color: var(--muted); font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.04em; text-transform: uppercase; }

.cta-band { background: var(--ink); color: var(--cream); padding: 4rem 0; }
.cta-layout { display: flex; flex-direction: column; align-items: flex-start; gap: 1.35rem; }
.cta-copy { max-width: 40rem; }
.cta-band h2 { max-width: 16ch; }
.cta-band p { color: #d4cec3; max-width: 36rem; margin: 0.85rem 0 0; }
.cta-layout .btn { min-height: 3.25rem; padding-inline: 1.25rem; flex: 0 0 auto; }

.page-intro { padding: 2.5rem 0 1rem; }
.page-intro h1 { max-width: 16ch; }
.crumbs { margin-bottom: 1.1rem; }
.crumbs ol { display: flex; flex-wrap: wrap; gap: 0.4rem 0.35rem; list-style: none; padding: 0; color: var(--muted); font-size: 0.92rem; }
.crumbs a { color: var(--ink-soft); }
.crumbs li:not(:last-child)::after { content: "/"; margin-left: 0.35rem; color: var(--line-strong); }

.split, .contact-grid, .article-grid { display: grid; gap: 1.5rem; }
.prose { max-width: 42rem; }
.prose h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); margin: 2rem 0 0.7rem; }
.prose h3 { margin: 1.3rem 0 0.4rem; }
.prose p, .prose li { color: var(--ink-soft); }
.prose ul, .prose ol { margin: 0.7rem 0 0; padding-left: 1.15rem; }
.prose li + li { margin-top: 0.35rem; }
.prose a { color: var(--blue-deep); }

.service-block { padding: 1.4rem 0; border-top: 1px solid var(--line); display: grid; gap: 0.8rem; }
.service-block h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); }
.service-block ul { margin: 0.4rem 0 0; padding-left: 1.1rem; color: var(--ink-soft); }

.frame {
  margin: 0;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--white);
}
.frame img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.frame figcaption { padding: 0.85rem 1rem 1rem; color: var(--muted); font-size: 0.92rem; }

.principle-grid { margin-top: 1.25rem; }
.principle h3 { margin-bottom: 0.4rem; }

.callout {
  border: 1px solid var(--line-strong);
  background: #f7f1e4;
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  margin: 1.25rem 0 1.5rem;
}

.case { padding: 1.3rem 1.15rem 1.4rem; }
.case-kicker { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--blue); }
.case h3 { margin: 0.8rem 0 0.35rem; font-size: 1rem; }
.results { display: grid; gap: 0.6rem; margin-top: 0.8rem; }
.result { border-top: 1px solid var(--line); padding-top: 0.7rem; }
.result dt { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.result dd { margin: 0.2rem 0 0; font-family: var(--serif); font-size: 1.85rem; letter-spacing: -0.03em; line-height: 1; }

.article-hero { padding-bottom: 0.5rem; }
.article-hero h1 { max-width: 18ch; font-size: clamp(2.2rem, 5vw, 3.8rem); }
.article-layout { display: grid; gap: 1.5rem; padding-bottom: 3rem; }
.related { display: grid; gap: 0.6rem; }
.related a { text-decoration: none; border-top: 1px solid var(--line); padding-top: 0.7rem; }
.related a strong { display: block; }

.contact-layout { display: grid; gap: 1.75rem; padding-bottom: 4rem; }
.form {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.1rem;
  display: grid;
  gap: 0.9rem;
}
.form-row { display: grid; gap: 0.9rem; }
label { display: grid; gap: 0.35rem; font-weight: 600; font-size: 0.95rem; }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  background: #fffcf8;
  border-radius: 10px;
  padding: 0.8rem 0.85rem;
  min-height: 3rem;
}
textarea { min-height: 9rem; resize: vertical; }
.checks { border: 0; padding: 0; margin: 0; display: grid; gap: 0.35rem; }
.checks legend { font-weight: 600; margin-bottom: 0.35rem; }
.check {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.7rem;
  font-weight: 500;
  line-height: 1.3;
}
.check input[type="checkbox"] {
  width: 1.05rem;
  height: 1.05rem;
  min-height: 1.05rem;
  margin: 0;
  padding: 0;
  flex: 0 0 1.05rem;
  accent-color: var(--blue);
}
.hp { position: absolute; left: -9999px; }
.form-error, .field-error { color: var(--danger); font-size: 0.92rem; font-weight: 500; }
.is-invalid { border-color: var(--danger); }
.form-success {
  background: #e8f6ee;
  border: 1px solid #b7e0c8;
  color: var(--ok);
  border-radius: 12px;
  padding: 0.9rem 1rem;
  margin-bottom: 1rem;
}
.form .btn { width: 100%; }

.site-footer { background: var(--dark); color: #d9d3c8; padding: 3.5rem 0 1.5rem; }
.footer-grid { display: grid; gap: 2rem; }
.footer-brand p { margin-top: 0.9rem; max-width: 26rem; }
.footer-market, .footer-base { color: #a39d93; font-size: 0.95rem; }
.footer-mail { color: white; }
.footer-heading { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; color: #b7b1a6; margin-bottom: 0.8rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.45rem; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: white; }
.footer-base { margin-top: 2.2rem; padding-top: 1rem; border-top: 1px solid rgba(246, 243, 236, 0.12); }

.cookie {
  position: fixed;
  left: 0.8rem;
  right: 0.8rem;
  bottom: 0.8rem;
  z-index: 50;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.9rem;
  box-shadow: var(--shadow);
  display: grid;
  gap: 0.75rem;
}
.cookie[hidden] { display: none !important; }
.cookie p { color: var(--ink-soft); font-size: 0.95rem; }
.cookie-actions { display: flex; justify-content: space-between; align-items: center; gap: 0.8rem; }
.cookie-actions a { color: var(--blue-deep); }

.not-found { padding: 3rem 0 4.5rem; }
.not-found h1 { max-width: 12ch; }
.link-row { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.4rem; }

@media (min-width: 720px) {
  .container { width: min(1120px, calc(100% - 3rem)); }
  .section { padding: 6rem 0; }
  .form { padding: 1.4rem; }
  .form-row { grid-template-columns: 1fr 1fr; }
  .card-grid, .insight-grid, .principle-grid { grid-template-columns: 1fr 1fr; }
  .measure-list { grid-template-columns: 1fr 1fr; }
  .metric-grid { grid-template-columns: repeat(4, 1fr); }
  .cookie { left: auto; max-width: 28rem; }
  .results { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 960px) {
  .nav-toggle, .nav-cta { display: none; }
  .header-cta { margin-left: 0; }
  .nav {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-left: auto;
  }
  .nav-list { display: flex; align-items: center; gap: 0.15rem; }
  .nav-item > a {
    display: inline-flex;
    align-items: center;
    min-height: 2.5rem;
    padding: 0 0.7rem;
    border-radius: 8px;
    color: var(--ink-soft);
  }
  .nav-item > a[aria-current="page"],
  .nav-item > a:hover { color: var(--ink); background: rgba(18, 20, 24, 0.04); }
  .sub-toggle { display: none; }
  .has-sub { position: relative; }
  .sub-menu {
    display: grid;
    position: absolute;
    top: calc(100% - 0.2rem);
    left: 0;
    width: 22rem;
    padding: 0.45rem;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 14px;
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
  }
  .has-sub:hover .sub-menu,
  .has-sub:focus-within .sub-menu { opacity: 1; visibility: visible; transform: none; }
  .sub-menu a { display: grid; gap: 0.1rem; padding: 0.65rem 0.7rem; border-radius: 10px; }
  .sub-menu a:hover { background: var(--paper); }
  .sub-menu span { color: var(--muted); font-size: 0.88rem; font-weight: 400; }
  .hero { padding: 4.5rem 0 5rem; }
  .hero-grid { grid-template-columns: 1.05fr 0.95fr; align-items: end; gap: 3rem; }
  .card-grid { grid-template-columns: repeat(3, 1fr); }
  .process-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0.75rem; }
  .industry-grid, .insight-grid { grid-template-columns: repeat(3, 1fr); }
  .industry-home { grid-template-columns: 1fr 1fr; }
  .industry-home a { padding-right: 1.5rem; }
  .split, .contact-grid { grid-template-columns: 0.9fr 1.1fr; align-items: start; gap: 3rem; }
  .article-grid { grid-template-columns: minmax(0, 42rem) minmax(16rem, 20rem); align-items: start; gap: 3rem; justify-content: space-between; }
  .contact-copy, .article-grid aside { position: sticky; top: 6.5rem; }
  .cta-layout { flex-direction: row; align-items: center; justify-content: space-between; gap: 2.5rem; }
  .footer-grid { grid-template-columns: 1.4fr 0.8fr 0.9fr 0.8fr; }
  .service-block { grid-template-columns: 0.8fr 1.2fr; gap: 2rem; align-items: start; }
  .principle-grid { grid-template-columns: 1fr 1fr 1fr; }
  .form .btn { width: auto; }
}

@media (max-width: 959px) {
  body.nav-open .nav {
    display: block;
    position: fixed;
    inset: var(--header) 0 0 0;
    background: var(--paper);
    padding: 0.5rem 1.25rem 2rem;
    overflow: auto;
    z-index: 30;
  }
  .nav-list { display: grid; }
  .nav-item > a {
    display: flex;
    align-items: center;
    min-height: 3.25rem;
    font-size: 1.35rem;
    letter-spacing: -0.03em;
    text-decoration: none;
    border-bottom: 1px solid var(--line);
  }
  .has-sub { display: grid; grid-template-columns: 1fr auto; }
  .has-sub > a { grid-column: 1; }
  .sub-toggle {
    width: 3rem;
    height: 3.25rem;
    border: 0;
    border-bottom: 1px solid var(--line);
    background: transparent;
    position: relative;
  }
  .sub-toggle::before,
  .sub-toggle::after {
    content: "";
    position: absolute;
    left: 0.85rem;
    right: 0.85rem;
    top: 50%;
    height: 1.5px;
    background: var(--ink);
  }
  .sub-toggle::after { transform: rotate(90deg); }
  .sub-toggle[aria-expanded="true"]::after { display: none; }
  .sub-menu { display: none; grid-column: 1 / -1; padding: 0.2rem 0 0.6rem; }
  .sub-toggle[aria-expanded="true"] + .sub-menu { display: grid; }
  .sub-menu a { text-decoration: none; padding: 0.55rem 0; display: grid; }
  .sub-menu span { color: var(--muted); font-size: 0.92rem; }
  .nav-cta { margin-top: 1.25rem; width: 100%; }
  .header-cta span, .header-cta { font-size: 0.92rem; }
}

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