/* ---------------------------------------------------------------
   Industrious Foundry — Brand stylesheet
   Aesthetic: Oliver Wyman / L.E.K. — boutique, sector-specialist
   --------------------------------------------------------------- */

:root {
  /* Palette */
  --ink:        #0E1A2B;
  --ink-soft:   #1B2A3F;
  --slate:      #5C6B78;
  --slate-2:    #8A95A0;
  --rule:       #D9D3C6;
  --rule-soft:  #EAE4D6;
  --paper:      #F5F1E8;
  --paper-pure: #FAF7F0;
  --white:      #FFFFFF;
  --ember:      #B5471E;
  --ember-soft: #C8662F;

  /* Type */
  --serif: "Inter", "Segoe UI", Arial, sans-serif;
  --sans:  "Inter", "Söhne", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono:  "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Layout */
  --gutter: 1.5rem;
  --max:   1320px;
  --measure: 64ch;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
img, svg, video { display: block; max-width: 100%; }
button { font: inherit; }
a { color: inherit; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
  margin: 0;
}

h1 {
  font-size: clamp(2.6rem, 5.2vw, 4.5rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
}
h2 {
  font-size: clamp(1.9rem, 3vw, 2.8rem);
  line-height: 1.1;
}
h3 {
  font-size: clamp(1.3rem, 1.8vw, 1.55rem);
  line-height: 1.2;
}
h4 {
  font-size: 1.1rem;
  font-family: var(--sans);
  font-weight: 600;
  letter-spacing: 0;
}

p { margin: 0 0 1em 0; max-width: var(--measure); }
strong { font-weight: 600; }
em { font-style: italic; }

a { text-decoration: none; transition: color .15s ease, border-color .15s ease; }

.eyebrow {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
  margin: 0 0 1.25rem 0;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--ember);
}

.lede {
  font-family: var(--serif);
  font-size: clamp(1.25rem, 1.8vw, 1.5rem);
  line-height: 1.45;
  color: var(--ink-soft);
  max-width: 38ch;
}

.body-lg { font-size: 1.1rem; line-height: 1.6; color: var(--ink-soft); }

/* ---------- Layout primitives ---------- */
.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.container--narrow { max-width: 920px; }

.section { padding: clamp(4rem, 8vw, 7rem) 0; }
.section--tight { padding: clamp(2.5rem, 5vw, 4rem) 0; }
.section--ink { background: var(--ink); color: var(--paper-pure); }
.section--ink h1, .section--ink h2, .section--ink h3 { color: var(--paper-pure); }
.section--ink .eyebrow { color: var(--slate-2); }
.section--ink .eyebrow::before { background: var(--ember-soft); }
.section--paper { background: var(--paper-pure); }

.grid { display: grid; gap: 2.5rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-split { grid-template-columns: 1fr 1.2fr; gap: 4rem; align-items: start; }

@media (max-width: 880px) {
  .grid-2, .grid-3, .grid-4, .grid-split { grid-template-columns: 1fr; gap: 2rem; }
}

.rule { border: 0; border-top: 1px solid var(--rule); margin: 0; }
.section--ink .rule { border-color: rgba(255,255,255,0.12); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
  backdrop-filter: saturate(160%);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem var(--gutter);
  max-width: var(--max);
  margin: 0 auto;
  gap: 2rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}
.brand__mark { height: 158px; width: auto; flex: none; }
.brand__type {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.brand__type .top {
  font-family: var(--serif);
  font-size: 1.18rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.brand__type .bot {
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--slate);
  margin-top: 4px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}
.nav a:hover { color: var(--ember); border-bottom-color: var(--ember); }
.nav a.active { border-bottom-color: var(--ink); }

.nav-cta {
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--ink);
  border-radius: 0;
  color: var(--ink);
  transition: background .15s ease, color .15s ease;
}
.nav-cta:hover { background: var(--ink); color: var(--paper); }

@media (max-width: 880px) {
  .nav { display: none; }
  .nav-cta { font-size: 0.8rem; padding: 0.5rem 0.9rem; }
}

/* ---------- Hero ---------- */
.hero {
  padding: clamp(4rem, 9vw, 8rem) 0 clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid var(--rule);
}
.hero h1 { max-width: 18ch; }
.hero__lede {
  margin-top: 1.75rem;
  max-width: 44ch;
  font-family: var(--serif);
  font-size: clamp(1.2rem, 1.7vw, 1.45rem);
  line-height: 1.5;
  color: var(--ink-soft);
}
.hero__meta {
  margin-top: 2.5rem;
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}
.hero__meta-item { display: flex; flex-direction: column; }
.hero__meta-item .k {
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 0.4rem;
}
.hero__meta-item .v {
  font-family: var(--serif);
  font-size: 1.6rem;
  color: var(--ink);
}

/* ---------- Buttons / CTAs ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.85rem 1.4rem;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  background: var(--ink);
  color: var(--paper-pure);
  border: 1px solid var(--ink);
  transition: background .15s ease, color .15s ease;
}
.btn:hover { background: var(--ember); border-color: var(--ember); color: var(--white); }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--paper-pure); }

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
}
.arrow-link:hover { color: var(--ember); border-bottom-color: var(--ember); }
.arrow-link::after { content: "→"; font-weight: 400; }

/* ---------- Cards ---------- */
.card {
  background: var(--paper-pure);
  border: 1px solid var(--rule);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color .15s ease, transform .2s ease;
}
.card:hover { border-color: var(--ink); }
.card h3 { margin-top: 0.3rem; }
.card p { color: var(--slate); margin-bottom: 0; }
.card__num {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ember);
  letter-spacing: 0.08em;
}

/* ---------- Service tiles ---------- */
.service {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 3rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--rule);
  align-items: start;
}
.service:last-child { border-bottom: 0; }
.service__num {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ember);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding-top: 0.4rem;
}
.service h3 { margin-bottom: 0.75rem; max-width: 22ch; }
.service__capabilities {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem 2rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  list-style: none;
  padding-left: 0;
}
.service__capabilities li {
  font-size: 0.92rem;
  color: var(--ink-soft);
  padding-left: 1.2rem;
  position: relative;
}
.service__capabilities li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.65em;
  width: 8px; height: 1px;
  background: var(--ember);
}

@media (max-width: 720px) {
  .service { grid-template-columns: 1fr; gap: 1rem; }
  .service__capabilities { grid-template-columns: 1fr; }
}

/* ---------- Sectors ---------- */
.sectors {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--rule);
  background: var(--paper-pure);
}
.sectors__cell {
  padding: 2.25rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.sectors__cell:nth-child(3n) { border-right: 0; }
.sectors__cell:nth-last-child(-n+3) { border-bottom: 0; }
.sectors__cell h4 { margin: 0 0 0.5rem 0; font-family: var(--serif); font-weight: 400; font-size: 1.25rem; }
.sectors__cell p { font-size: 0.92rem; color: var(--slate); margin: 0; }
@media (max-width: 880px) {
  .sectors { grid-template-columns: 1fr; }
  .sectors__cell { border-right: 0 !important; border-bottom: 1px solid var(--rule); }
  .sectors__cell:last-child { border-bottom: 0; }
}

/* ---------- Insight cards ---------- */
.insight {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--rule);
}
.insight__meta {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
}
.insight h3 {
  font-size: 1.5rem;
  line-height: 1.2;
  margin-top: 0.4rem;
  max-width: 28ch;
}
.insight p { font-size: 0.95rem; color: var(--slate); max-width: 50ch; }

/* ---------- People ---------- */
.person {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2.5rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--rule);
}
.person:last-child { border-bottom: 0; }
.person__portrait {
  width: 200px;
  height: 240px;
  background: var(--ink);
  position: relative;
  overflow: hidden;
}
.person__portrait::after {
  content: attr(data-initials);
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-size: 3.2rem;
  color: var(--paper-pure);
}
.person h3 { margin-bottom: 0.2rem; }
.person .title { color: var(--ember); font-weight: 600; font-size: 0.92rem; letter-spacing: 0.04em; margin-bottom: 1rem; }
@media (max-width: 720px) {
  .person { grid-template-columns: 1fr; }
  .person__portrait { width: 100%; height: 280px; }
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: var(--paper-pure);
  padding: 4rem 0 2rem;
  margin-top: 4rem;
}
.site-footer .container { display: grid; gap: 3rem; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 3rem;
}
.footer-grid h5 {
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate-2);
  margin: 0 0 1.2rem 0;
}
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.6rem; }
.footer-grid a { color: var(--paper-pure); opacity: 0.85; font-size: 0.93rem; }
.footer-grid a:hover { color: var(--ember-soft); opacity: 1; }
.footer-brand .brand__type .top { color: var(--paper-pure); }
.footer-brand .brand__type .bot { color: var(--slate-2); }
.footer-tagline {
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.45;
  color: var(--paper-pure);
  max-width: 32ch;
  margin-top: 1.5rem;
  opacity: 0.85;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--slate-2);
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-bottom a { color: var(--slate-2); }
.footer-bottom a:hover { color: var(--paper-pure); }
.affiliation {
  font-size: 0.82rem;
  color: var(--slate-2);
  letter-spacing: 0.02em;
}
.affiliation strong { color: var(--paper-pure); font-weight: 500; }
@media (max-width: 880px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ---------- Forms ---------- */
.form { display: grid; gap: 1.25rem; max-width: 560px; }
.form label {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
  font-weight: 600;
}
.form input, .form textarea, .form select {
  font-family: var(--sans);
  font-size: 1rem;
  color: var(--ink);
  padding: 0.85rem 1rem;
  background: var(--paper-pure);
  border: 1px solid var(--rule);
  border-radius: 0;
  transition: border-color .15s ease;
}
.form input:focus, .form textarea:focus, .form select:focus {
  outline: 0;
  border-color: var(--ink);
}
.form textarea { min-height: 140px; resize: vertical; }

/* ---------- Quote block ---------- */
.pull {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  line-height: 1.3;
  color: var(--ink);
  border-left: 2px solid var(--ember);
  padding-left: 1.75rem;
  max-width: 36ch;
  margin: 2rem 0;
}

/* ---------- Stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  padding: 2.5rem 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.stat__v {
  font-family: var(--serif);
  font-size: clamp(2rem, 3.4vw, 2.8rem);
  line-height: 1;
  color: var(--ink);
  margin-bottom: 0.5rem;
}
.stat__k {
  font-size: 0.82rem;
  color: var(--slate);
  line-height: 1.4;
}
@media (max-width: 720px) { .stats { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Two-column editorial ---------- */
.editorial {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem;
}
.editorial__side {
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
}
.editorial__body { max-width: 60ch; }
.editorial__body p { font-size: 1.05rem; line-height: 1.65; color: var(--ink-soft); }
.editorial__body h3 { margin: 2.5rem 0 1rem; }
@media (max-width: 880px) {
  .editorial { grid-template-columns: 1fr; gap: 1.5rem; }
}

/* ---------- Subtle entry animation ---------- */
@media (prefers-reduced-motion: no-preference) {
  .fade-in { animation: fadeIn .8s ease both; }
  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
  }
}