/*
  3 Arrows Consulting-site stylesheet
  ---------------------------------------------------------------
  Light, editorial layout. Serif for headings, humanist sans for body.
  Colour use is deliberately restrained: navy + charcoal for text,
  one muted blue accent, one brass secondary for small details only.
*/

:root {
  /* Surfaces */
  --bg: #faf8f3;          /* warm ivory page background */
  --bg-alt: #f3f0e8;      /* alternate band */
  --paper: #ffffff;       /* documents, form */
  --line: #e2ddd1;
  --line-soft: #ece7dc;

  /* Text */
  --ink: #13233a;         /* deep navy-headings */
  --text: #33373d;        /* charcoal-body */
  --muted: #5f646b;

  /* Accent */
  --accent: #2f5577;
  --accent-hover: #213f5b;
  --accent-tint: #e7edf3;

  /* Secondary (used sparingly) */
  --brass: #8a6a3b;

  /* Type */
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "Source Sans 3", "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Consolas, monospace;

  --wrap: 1180px;
  --radius: 4px;
}

/* ---------- Base ---------- */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }

h1, h2, h3, h4 {
  color: var(--ink);
  margin: 0;
  font-weight: 600;
}

p { margin: 0 0 1em; }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

ul, ol { margin: 0; padding: 0; }

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

.wrap {
  width: min(var(--wrap), 100% - 48px);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  padding: 8px 14px;
  background: var(--ink);
  color: #fff;
  z-index: 200;
}
.skip-link:focus { top: 12px; color: #fff; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- Buttons & links ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font: 600 15px/1.3 var(--sans);
  cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); color: #fff; }

.btn-outline {
  border-color: #c3ccd6;
  color: var(--ink);
  background: transparent;
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.text-link {
  font-weight: 600;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}
.text-link::after { content: " \2192"; }

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 243, .96);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .2s ease;
}
.site-header.is-scrolled { box-shadow: 0 1px 12px rgba(19, 35, 58, .06); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 32px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  flex-shrink: 0;
}
.brand:hover { color: var(--ink); }

.brand-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1.5px solid currentColor;
  font: 600 15px/1 var(--serif);
  letter-spacing: .02em;
}

.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font: 600 20px/1.1 var(--serif); }
.brand-sub {
  margin-top: 3px;
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}

.primary-nav { display: flex; align-items: center; gap: 32px; }
.primary-nav ul { display: flex; gap: 28px; list-style: none; }
.primary-nav ul a {
  color: var(--text);
  font-size: 15.5px;
  padding: 6px 0;
}
.primary-nav ul a:hover { color: var(--accent); }

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font: 600 14px var(--sans);
  color: var(--ink);
  cursor: pointer;
}
.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  display: block;
  width: 16px;
  height: 1.5px;
  background: currentColor;
  position: relative;
}
.nav-toggle-bars::before,
.nav-toggle-bars::after { content: ""; position: absolute; left: 0; }
.nav-toggle-bars::before { top: -5px; }
.nav-toggle-bars::after { top: 5px; }

/* ---------- Hero ---------- */

.hero { padding: 88px 0 100px; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  gap: 72px;
  align-items: center;
}

.kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--brass);
}
.kicker::before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
}

.hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.3rem, 4.1vw, 3.4rem);
  line-height: 1.13;
  letter-spacing: -.012em;
  margin-bottom: 24px;
}

.lead {
  font-size: 19px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 34em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 28px;
  margin-top: 34px;
}

.hero-note {
  margin: 44px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 15px;
  color: var(--muted);
  max-width: 34em;
}

/* ---------- Sample documents ---------- */

.doc { margin: 0; }

.doc-label {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}

.doc-sheet {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 28px 28px 22px;
  box-shadow: 0 1px 2px rgba(19, 35, 58, .04), 0 18px 40px -22px rgba(19, 35, 58, .22);
}

.doc-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  padding-bottom: 14px;
  margin-bottom: 6px;
  border-bottom: 2px solid var(--ink);
}

.doc-meta { font-size: 12.5px; color: var(--muted); }
.doc-title { font: 600 19px/1.3 var(--serif); margin-top: 4px; }
.doc-ref {
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.table-scroll { overflow-x: auto; }

.doc-table {
  width: 100%;
  min-width: 500px;
  border-collapse: collapse;
  font-size: 14px;
}
.doc-table th {
  padding: 10px 12px 8px 0;
  text-align: left;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}
.doc-table td {
  padding: 12px 12px 12px 0;
  vertical-align: top;
  border-bottom: 1px solid var(--line-soft);
  line-height: 1.45;
}
.doc-table tr:last-child td { border-bottom: 0; }
.doc-table .ref {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.doc-table .nowrap { white-space: nowrap; }

.rating {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 2px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.rating-high { background: #f5e6e1; color: #8a3a2c; }
.rating-med  { background: #f3ecdd; color: #74572a; }
.rating-low  { background: #e5eee8; color: #3d6650; }

.doc-foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px;
  color: var(--muted);
}

.doc figcaption {
  margin-top: 14px;
  font-size: 14.5px;
  color: var(--muted);
}

/* ---------- Frameworks band ---------- */

.frameworks {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
}
.frameworks .wrap {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 40px;
}
.frameworks p {
  margin: 0;
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}
.frameworks ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 32px;
  list-style: none;
  font-size: 15px;
  color: var(--ink);
}

/* ---------- Sections ---------- */

.section { padding: 104px 0; }
.section-alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head h2 {
  font-family: var(--serif);
  font-size: clamp(1.9rem, 3vw, 2.55rem);
  line-height: 1.2;
  letter-spacing: -.01em;
  margin-bottom: 16px;
}
.section-head p { font-size: 18px; color: var(--muted); margin: 0; }

/* ---------- Practice areas (services) ---------- */

.practice-area {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) minmax(0, 1.15fr);
  gap: 40px;
  padding: 48px 0;
  border-top: 1px solid var(--line);
}
.practice-area:last-child { border-bottom: 1px solid var(--line); }

.practice-num {
  font: 600 15px var(--serif);
  color: var(--brass);
  padding-top: 7px;
  font-variant-numeric: tabular-nums;
}

.practice-intro h3 {
  font: 600 26px/1.25 var(--serif);
  margin-bottom: 14px;
}
.practice-intro p { color: var(--muted); }
.practice-intro .text-link { display: inline-block; margin-top: 6px; font-size: 15.5px; }

.practice-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.list-heading {
  margin-bottom: 10px;
  font: 600 12.5px var(--sans);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}

.link-list { list-style: none; }
.link-list li { border-bottom: 1px solid var(--line-soft); }
.link-list a {
  display: block;
  padding: 9px 0;
  color: var(--ink);
  font-size: 15.5px;
}
.link-list a:hover { color: var(--accent); }

.plain-list { list-style: none; }
.plain-list li {
  position: relative;
  padding: 9px 0 9px 18px;
  font-size: 15.5px;
  border-bottom: 1px solid var(--line-soft);
}
.plain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 7px;
  height: 1px;
  background: var(--brass);
}

/* ---------- Deliverable samples ---------- */

.samples {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  grid-template-rows: auto auto;
  gap: 40px;
}
.samples .sample-finding { grid-row: span 2; }

.finding-id {
  font-size: 12.5px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  margin: 16px 0 6px;
}
.finding-title { font: 600 18px/1.35 var(--serif); margin-bottom: 16px; }

.finding-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 0 0 4px;
  padding: 12px 0;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.finding-meta dt {
  font-size: 11.5px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
}
.finding-meta dd { margin: 2px 0 0; font-size: 14px; color: var(--ink); }

.finding-body h4 {
  margin: 18px 0 6px;
  font: 600 13.5px var(--sans);
  color: var(--ink);
}
.finding-body p,
.finding-body li { font-size: 14.5px; line-height: 1.55; }
.finding-body ol { padding-left: 18px; }
.finding-body li { margin-bottom: 4px; }
.finding-body p { margin: 0; }

code {
  font-family: var(--mono);
  font-size: .86em;
  background: #f4f1ea;
  padding: 1px 5px;
  border-radius: 2px;
}

/* Roadmap */
.phases { list-style: none; margin-top: 8px; }
.phases li {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
}
.phases li:last-child { border-bottom: 0; }
.phase-when {
  font-size: 13px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  padding-top: 1px;
}
.phase-what strong { display: block; font-size: 14.5px; color: var(--ink); font-weight: 600; }
.phase-what span { display: block; font-size: 13.5px; color: var(--muted); line-height: 1.45; }
.phase-track {
  position: relative;
  height: 5px;
  margin-top: 9px;
  background: #f0ece3;
  border-radius: 3px;
}
.phase-track::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--start);
  width: var(--span);
  background: var(--accent);
  border-radius: 3px;
  opacity: .8;
}

/* Checklist */
.checklist { list-style: none; margin-top: 8px; }
.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  font-size: 14.5px;
  line-height: 1.45;
  border-bottom: 1px solid var(--line-soft);
}
.checklist li:last-child { border-bottom: 0; }
.checklist .box {
  flex: 0 0 15px;
  height: 15px;
  margin-top: 2px;
  border: 1.5px solid #9aa6b3;
  border-radius: 2px;
  position: relative;
}
.checklist .is-done .box { background: var(--accent); border-color: var(--accent); }
.checklist .is-done .box::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 4px;
  height: 8px;
  border: solid #fff;
  border-width: 0 1.5px 1.5px 0;
  transform: rotate(45deg);
}
.checklist .is-progress .box { border-color: var(--accent); }
.checklist .is-progress .box::after {
  content: "";
  position: absolute;
  inset: 2px 50% 2px 2px;
  background: var(--accent);
}
.checklist .status {
  margin-left: auto;
  padding-left: 12px;
  font-size: 12.5px;
  color: var(--muted);
  white-space: nowrap;
}

/* ---------- Engagement steps ---------- */

.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 44px 48px;
}
.steps li { padding-top: 22px; border-top: 1px solid var(--ink); }
.step-num {
  display: block;
  margin-bottom: 10px;
  font: 600 14px var(--serif);
  color: var(--brass);
  font-variant-numeric: tabular-nums;
}
.steps h3 { font: 600 21px/1.3 var(--serif); margin-bottom: 10px; }
.steps p { font-size: 16px; color: var(--muted); margin: 0; }

/* ---------- Industries ---------- */

.split {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(0, 1.4fr);
  gap: 72px;
}
.split .section-head { margin-bottom: 0; }

.sector-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 40px;
}
.sector { padding: 22px 0; border-top: 1px solid var(--line); }
.sector h3 { font: 600 18px/1.35 var(--sans); margin-bottom: 6px; }
.sector p { font-size: 15.5px; color: var(--muted); margin-bottom: 8px; }
.sector a { font-size: 15px; font-weight: 600; }

/* ---------- Principles ---------- */

.principles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 44px 64px;
}
.principles h3 { font: 600 21px/1.3 var(--serif); margin-bottom: 10px; }
.principles p { color: var(--muted); margin: 0; }

.boundary {
  margin-top: 64px;
  padding: 26px 30px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--brass);
}
.boundary h3 { font: 600 17px var(--sans); margin-bottom: 8px; }
.boundary p { font-size: 15.5px; margin: 0; }

/* ---------- Guides ---------- */

.guide {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) auto;
  gap: 32px;
  padding: 30px 0;
  border-top: 1px solid var(--line);
}
.guide:last-child { border-bottom: 1px solid var(--line); }
.guide-type {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--brass);
  padding-top: 4px;
}
.guide h3 { font: 600 22px/1.3 var(--serif); margin-bottom: 8px; }
.guide h3 a { color: var(--ink); }
.guide h3 a:hover { color: var(--accent); }
.guide p { color: var(--muted); margin: 0; max-width: 60ch; }
.guide-date { font-size: 14px; color: var(--muted); white-space: nowrap; padding-top: 4px; }

.section-foot { margin-top: 36px; }

/* ---------- FAQ ---------- */

.faq { max-width: 840px; }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary {
  position: relative;
  padding: 22px 44px 22px 0;
  list-style: none;
  cursor: pointer;
  font: 600 19px/1.4 var(--serif);
  color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 19px;
  font: 400 24px/1 var(--sans);
  color: var(--accent);
}
.faq details[open] summary::after { content: "\2013"; }
.faq summary:hover { color: var(--accent); }
.faq-body { padding: 0 44px 24px 0; color: var(--muted); }
.faq-body p:last-child { margin-bottom: 0; }

/* ---------- Contact ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 72px;
  align-items: start;
}
.contact-grid .section-head { margin-bottom: 32px; }

.next-steps {
  list-style: none;
  counter-reset: step;
  margin-bottom: 36px;
}
.next-steps li {
  counter-increment: step;
  position: relative;
  padding: 0 0 18px 40px;
  color: var(--text);
}
.next-steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 1px;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border: 1px solid var(--accent);
  border-radius: 50%;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
}

.contact-details {
  margin: 0;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 24px;
  font-size: 15.5px;
}
.contact-details dt { color: var(--muted); }
.contact-details dd { margin: 0; color: var(--ink); }

.enquiry-form {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px;
}
.enquiry-form h3 { font: 600 22px var(--serif); margin-bottom: 6px; }
.enquiry-form > p { color: var(--muted); font-size: 15.5px; margin-bottom: 26px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; }
.field { margin-bottom: 20px; }
.field label {
  display: block;
  margin-bottom: 6px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink);
}
.field .optional { font-weight: 400; color: var(--muted); }

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid #cec7b7;
  border-radius: 3px;
  background: #fff;
  color: var(--text);
  font: 16px/1.4 var(--sans);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-tint);
}
.field input:user-invalid,
.field select:user-invalid,
.field textarea:user-invalid { border-color: #a24b3b; }

.consent {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 4px 0 24px;
  font-size: 14px;
  color: var(--muted);
}
.consent input { margin-top: 4px; accent-color: var(--accent); }

.enquiry-form .btn { width: 100%; padding: 14px 22px; }

.form-note { margin: 16px 0 0; font-size: 13.5px; color: var(--muted); }

.form-status {
  display: none;
  margin-top: 18px;
  padding: 14px 16px;
  background: #e8efea;
  border-left: 3px solid #3d6650;
  font-size: 15px;
  color: var(--ink);
}
.form-status.is-visible { display: block; }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--ink);
  color: #c4ccd6;
  padding: 72px 0 0;
  font-size: 15px;
}
.site-footer a { color: #c4ccd6; }
.site-footer a:hover { color: #fff; }

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(4, minmax(0, 1fr));
  gap: 40px;
}

.site-footer .brand,
.site-footer .brand:hover { color: #fff; }
.site-footer .brand-sub { color: #94a0ae; }

.footer-about p { margin: 20px 0; max-width: 30em; line-height: 1.6; }
.footer-about address { font-style: normal; line-height: 1.8; }

.site-footer h4 {
  margin-bottom: 16px;
  font: 600 12.5px var(--sans);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: #fff;
}
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 9px; }

.footer-base {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: 56px;
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, .12);
  font-size: 13.5px;
  color: #94a0ae;
}
.footer-base ul { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.footer-base li { margin: 0; }
.footer-base a { color: #94a0ae; }

/* ==========================================================
   Inner pages
   ========================================================== */

/* Breadcrumb */
.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 8px;
  list-style: none;
  margin-bottom: 28px;
  font-size: 14px;
  color: var(--muted);
}
.breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: #b9b2a3;
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb [aria-current] { color: var(--ink); }

/* Page header */
.page-hero {
  padding: 48px 0 64px;
  border-bottom: 1px solid var(--line);
}
.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(0, .85fr);
  gap: 72px;
  align-items: end;
}
.page-hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.05rem, 3.6vw, 2.95rem);
  line-height: 1.15;
  letter-spacing: -.01em;
  margin-bottom: 20px;
  max-width: 22em;
}
.page-hero .lead { margin-bottom: 0; }
.page-hero .hero-actions { margin-top: 30px; }

.facts {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 24px 26px 10px;
}
.facts h2 {
  margin-bottom: 14px;
  font: 600 12.5px var(--sans);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}
.facts dl { margin: 0; }
.facts dt { font-size: 13.5px; color: var(--muted); }
.facts dd {
  margin: 2px 0 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 15.5px;
  color: var(--ink);
  line-height: 1.45;
}
.facts dd:last-child { border-bottom: 0; }

/* Article + sidebar layout */
.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 80px;
  padding: 72px 0 96px;
}

.prose { max-width: 740px; }
.prose > :first-child { margin-top: 0; }
.prose h2 {
  margin: 60px 0 16px;
  font-family: var(--serif);
  font-size: 1.75rem;
  line-height: 1.25;
  letter-spacing: -.005em;
}
.prose h3 {
  margin: 32px 0 8px;
  font: 600 18.5px/1.4 var(--sans);
}
.prose strong { color: var(--ink); font-weight: 600; }
.prose ul { list-style: none; margin: 0 0 1.2em; }
.prose ul li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
}
.prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .82em;
  width: 8px;
  height: 1px;
  background: var(--brass);
}
.prose ol { padding-left: 22px; margin: 0 0 1.2em; }
.prose ol li { margin-bottom: 8px; padding-left: 4px; }
.prose a:not(.btn) {
  text-decoration: underline;
  text-decoration-color: #a9bccf;
  text-underline-offset: 3px;
}
.prose a:not(.btn):hover { text-decoration-color: currentColor; }

.cols-2 { columns: 2; column-gap: 40px; }
.cols-2 li { break-inside: avoid; }

/* Data table */
.table-wrap { overflow-x: auto; }
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 8px 0 28px;
  font-size: 15px;
  background: var(--paper);
}
.data-table th,
.data-table td {
  padding: 12px 14px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  line-height: 1.5;
}
.data-table thead th {
  background: var(--bg-alt);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .03em;
  color: var(--ink);
}
.data-table tbody th { font-weight: 600; color: var(--ink); width: 32%; }

/* Callout */
.note {
  margin: 32px 0;
  padding: 20px 24px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--brass);
}
.note p:last-child { margin-bottom: 0; }
.note-title {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  color: var(--ink);
}

/* Numbered process (vertical) */
.prose ol.process,
ol.process {
  list-style: none;
  counter-reset: proc;
  margin: 8px 0 24px;
  padding: 0;
}
.process > li {
  counter-increment: proc;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 8px;
  margin: 0;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}
.process > li::before {
  content: counter(proc, decimal-leading-zero);
  font: 600 15px var(--serif);
  color: var(--brass);
  padding-top: 2px;
}
.prose .process h3 { margin: 0 0 4px; }
.process p { margin: 0; color: var(--muted); }

/* Sidebar */
.sidebar { position: relative; }
.sidebar-inner { position: sticky; top: 108px; }
.side-block { margin-bottom: 40px; }
.side-block h2 {
  margin-bottom: 10px;
  font: 600 12.5px var(--sans);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}
.side-block .link-list a { font-size: 15px; }

.side-cta {
  padding: 26px 24px;
  background: var(--ink);
  color: #c4ccd6;
}
.side-cta h2 {
  margin-bottom: 8px;
  font: 600 19px/1.3 var(--serif);
  color: #fff;
  letter-spacing: 0;
  text-transform: none;
}
.side-cta p { font-size: 15px; line-height: 1.55; }
.btn-light { background: #fff; color: var(--ink); }
.btn-light:hover { background: var(--accent-tint); color: var(--ink); }

/* Closing CTA band */
.cta-band {
  padding: 72px 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
}
.cta-band .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px 48px;
  flex-wrap: wrap;
}
.cta-band h2 {
  margin-bottom: 8px;
  font: 600 clamp(1.6rem, 2.6vw, 2.05rem)/1.25 var(--serif);
}
.cta-band p { margin: 0; color: var(--muted); max-width: 40em; }

.meta-line {
  margin-top: 22px;
  font-size: 14px;
  color: var(--muted);
}

.prose .faq { margin-top: 8px; }
.prose .faq summary { font-size: 17.5px; }

/* Group cards on overview pages */
.group-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 56px;
}
.group {
  padding: 32px 0;
  border-top: 1px solid var(--line);
}
.group h3 { font: 600 22px/1.3 var(--serif); margin-bottom: 10px; }
.group p { color: var(--muted); }
.group .link-list { margin-top: 12px; }

/* ---------- Responsive ---------- */

@media (max-width: 1040px) {
  .primary-nav ul { gap: 20px; }
  .primary-nav { gap: 22px; }
}

@media (max-width: 960px) {
  .nav-toggle { display: inline-flex; }

  .primary-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 24px 24px;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 12px 24px -16px rgba(19, 35, 58, .25);
  }
  .primary-nav.is-open { display: flex; }
  .primary-nav ul { flex-direction: column; gap: 0; }
  .primary-nav ul a {
    display: block;
    padding: 13px 0;
    border-bottom: 1px solid var(--line-soft);
    font-size: 17px;
  }
  .primary-nav .btn { margin-top: 20px; }

  .hero { padding: 64px 0 76px; }
  .hero-grid { grid-template-columns: 1fr; gap: 56px; }

  .section { padding: 80px 0; }

  .practice-area { grid-template-columns: 1fr; gap: 20px; }
  .practice-num { padding-top: 0; }

  .samples { grid-template-columns: 1fr; }
  .samples .sample-finding { grid-row: auto; }

  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .split,
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }

  .guide { grid-template-columns: 1fr auto; gap: 8px 24px; }
  .guide-type { grid-column: 1 / -1; padding-top: 0; }

  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-about { grid-column: 1 / -1; }

  .page-hero-grid { grid-template-columns: 1fr; gap: 40px; align-items: start; }
  .layout { grid-template-columns: 1fr; gap: 48px; padding: 56px 0 72px; }
  .sidebar-inner { position: static; }
  .group-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .wrap { width: min(var(--wrap), 100% - 36px); }

  .brand-sub { display: none; }

  .lead { font-size: 17.5px; }
  .hero-actions .btn { width: 100%; }

  .doc-sheet { padding: 20px 18px 16px; }

  .section { padding: 64px 0; }
  .section-head { margin-bottom: 40px; }
  .section-head p { font-size: 17px; }

  .practice-detail,
  .principles,
  .sector-list,
  .form-row { grid-template-columns: 1fr; }

  .steps { grid-template-columns: 1fr; gap: 32px; }

  .finding-meta { grid-template-columns: 1fr 1fr; }

  .guide { grid-template-columns: 1fr; }

  .enquiry-form { padding: 24px 20px; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-base { flex-direction: column; }

  .page-hero { padding: 32px 0 48px; }
  .prose h2 { font-size: 1.5rem; margin-top: 48px; }
  .cols-2 { columns: 1; }
  .data-table { font-size: 14px; }
  .data-table th, .data-table td { padding: 10px; }
  .table-wrap { overflow-x: auto; }
  .cta-band .btn { width: 100%; }
}

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