/* ─── Tokens ─────────────────────────────────────────────────────────────── */

:root {
  --color-ivory:       #f5f1e8;
  --color-parchment:   #ebe5d4;
  --color-ink:         #141414;
  --color-ink-soft:    #2a2a2a;
  --color-ink-muted:   #5a5348;
  --color-rule:        #d6cdb8;
  --color-accent:      #3e2236;

  --font-display: "Fraunces", "Times New Roman", serif;
  --font-sans:    "Helvetica", Arial, sans-serif;

  --max-w:   72rem;   /* 1152px */
  --max-w-md: 56rem;  /* 896px */
  --px: 1.5rem;
}

/* ─── Reset & Base ───────────────────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  color-scheme: light only;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  background: var(--color-ivory);
  color: var(--color-ink);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  min-height: 100svh;
}

a { color: inherit; text-decoration: none; }

a[href], button { cursor: pointer; }

::selection { background: var(--color-ink); color: var(--color-ivory); }

/* ─── Typography utilities ───────────────────────────────────────────────── */

.display {
  font-family: var(--font-display);
  font-weight: 300;
  font-feature-settings: "liga", "dlig", "onum";
  letter-spacing: -0.015em;
}

.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.eyebrow-muted { color: var(--color-ink-muted); }

/* ─── Layout helpers ─────────────────────────────────────────────────────── */

.container {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--px);
}

.container-md {
  max-width: var(--max-w-md);
  margin-inline: auto;
  padding-inline: var(--px);
}

.section-pad   { padding-block: 6rem; }
.section-pad-l { padding-block: 7rem; }

@media (min-width: 768px) {
  .section-pad   { padding-block: 8rem; }
  .section-pad-l { padding-block: 10rem; }
}

/* Two-column grid (4 + 8 of 12) */
.grid-12 {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 768px) {
  .grid-12 { grid-template-columns: 4fr 8fr; gap: 2.5rem; }
}

/* ─── Dark section ───────────────────────────────────────────────────────── */

.dark {
  background: #3e2236;
  --color-ink:      var(--color-ivory);
  --color-ink-soft: color-mix(in srgb, var(--color-ivory) 85%, transparent);
  --color-ink-muted:color-mix(in srgb, var(--color-ivory) 65%, transparent);
  --color-rule:     color-mix(in srgb, var(--color-ivory) 18%, transparent);
  --color-accent:   color-mix(in srgb, var(--color-ivory) 85%, transparent);
}

/* ─── Header ─────────────────────────────────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--color-rule);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--color-ivory) 85%, transparent);
}

.header-stripe {
  height: 6px;
  background: var(--color-accent);
}

.header-inner {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--px);
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .header-inner { height: 4.5rem; }
}

.site-logo {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  font-size: 1.125rem;
  letter-spacing: -0.015em;
}

@media (min-width: 768px) {
  .site-logo { font-size: 1.25rem; }
}

.logo-rule {
  display: none;
  height: 2px;
  width: 1.5rem;
  align-self: center;
  background: var(--color-accent);
}

@media (min-width: 768px) {
  .logo-rule { display: block; }
  .logo-city { display: inline; }
}

.logo-city { display: none; }

/* Desktop nav */
.primary-nav { display: none; }

@media (min-width: 768px) {
  .primary-nav {
    display: block;
  }
  .primary-nav ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 2rem;
  }
  .primary-nav a {
    font-family: "Helvetica", "Geist", Arial, sans-serif;
    transition: opacity 0.15s;
  }
  .primary-nav a:hover { opacity: 0.7; }
  .nav-active {
    color: var(--color-ink) !important;
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 0.45em;
  }
}

/* ─── Mobile menu ────────────────────────────────────────────────────────── */

.menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2rem;
  height: 2rem;
  background: none;
  border: none;
  padding: 0.25rem;
}

.menu-btn span {
  display: block;
  height: 1.5px;
  background: var(--color-ink);
  transition: transform 0.2s, opacity 0.2s;
}

@media (min-width: 768px) { .menu-btn { display: none; } }

.menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-ivory) 97%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  flex-direction: column;
}

.menu-overlay.open { display: flex; }

.menu-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
  padding-inline: var(--px);
  border-bottom: 1px solid var(--color-rule);
  flex-shrink: 0;
}

.menu-close {
  background: none;
  border: none;
  font-family: "Helvetica", Arial, sans-serif;
  font-size: 0.8125rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  cursor: pointer;
  padding: 0;
}

.menu-nav {
  padding: 1.5rem var(--px);
}

.menu-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.menu-nav li { border-bottom: 1px solid var(--color-rule); }

.menu-nav a {
  display: block;
  padding: 1rem 0;
  font-family: "Helvetica", "Geist", Arial, sans-serif;
  font-size: 0.8125rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.menu-nav a:hover { color: var(--color-ink); }

/* ─── Hero ───────────────────────────────────────────────────────────────── */

.hero { }

.hero-inner {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--px);
  padding-top: 5rem;
  padding-bottom: 7rem;
}

@media (min-width: 768px) {
  .hero-inner { padding-top: 8rem; padding-bottom: 10rem; }
}

.hero-eyebrow { margin-bottom: 2.5rem; }

@media (min-width: 768px) { .hero-eyebrow { margin-bottom: 3.5rem; } }

.hero-inner h1 {
  font-size: clamp(1.875rem, 4vw, 3.25rem);
  line-height: 1.1;
  color: var(--color-ivory);
}

.hero-sub {
  margin-top: 2.5rem;
  max-width: 42rem;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-ink-soft);
}

@media (min-width: 768px) {
  .hero-sub { margin-top: 3.5rem; font-size: 1.125rem; }
}

/* ─── Section dividers ───────────────────────────────────────────────────── */

.border-top { border-top: 1px solid var(--color-rule); }

/* ─── Approach ───────────────────────────────────────────────────────────── */

.approach-lead {
  font-size: 1.5rem;
  line-height: 1.35;
  color: var(--color-ink);
}

@media (min-width: 768px) { .approach-lead { font-size: 1.75rem; } }

.approach-body {
  margin-top: 2rem;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-ink-soft);
}

@media (min-width: 768px) { .approach-body { font-size: 1.125rem; } }

.approach-rule {
  margin-top: 3rem;
  height: 2px;
  width: 2.5rem;
  background: var(--color-accent);
}

.approach-subhead {
  margin-top: 2.5rem;
  font-size: 1.5rem;
  line-height: 1.3;
  color: var(--color-ink);
}

@media (min-width: 768px) { .approach-subhead { font-size: 1.875rem; } }

.approach-paras {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-ink-soft);
}

@media (min-width: 768px) { .approach-paras { font-size: 1.125rem; } }

/* ─── Numbered list sections (How We Work, Who We Serve, Capabilities) ───── */

.num-list { list-style: none; }

.num-item {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 1.5rem;
  padding-block: 2.5rem;
  border-top: 1px solid var(--color-rule);
}

.num-item:first-child { border-top: none; }

@media (min-width: 768px) {
  .num-item { grid-template-columns: 5rem 1fr; gap: 2rem; padding-block: 3rem; }
}

.num-item:first-child { padding-top: 0; }

.num-glyph {
  font-size: 1.875rem;
  line-height: 1;
  color: var(--color-accent);
}

@media (min-width: 768px) { .num-glyph { font-size: 3rem; } }

/* Smaller numerals for Who We Serve */
.num-glyph-sm {
  font-size: 1.5rem;
  line-height: 1;
  color: var(--color-accent);
}

@media (min-width: 768px) { .num-glyph-sm { font-size: 1.875rem; } }

.num-title {
  font-size: 1.25rem;
  color: var(--color-ink);
}

@media (min-width: 768px) { .num-title { font-size: 1.5rem; } }

.num-body {
  margin-top: 0.75rem;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-ink-soft);
}

@media (min-width: 768px) { .num-body { font-size: 1rem; } }

/* Who We Serve: align numerals to baseline */
.clients-list .num-item { align-items: baseline; }
.clients-list .num-item { grid-template-columns: 3rem 1fr; gap: 1.5rem; }
@media (min-width: 768px) {
  .clients-list .num-item { grid-template-columns: 4rem 1fr; gap: 2rem; }
}

/* ─── Section headers (left col) ─────────────────────────────────────────── */

.sec-label { /* eyebrow */ }

.sec-heading {
  margin-top: 1.5rem;
  font-size: 1.875rem;
  line-height: 1.2;
  color: var(--color-ink);
}

@media (min-width: 768px) { .sec-heading { font-size: 2.25rem; } }

/* ─── Advisory Experience (centred dark panel) ───────────────────────────── */

.advisory-inner {
  text-align: center;
}

.advisory-heading {
  margin-top: 2.5rem;
  font-size: clamp(1.875rem, 4vw, 3.25rem);
  line-height: 1.15;
  color: var(--color-ink);
}

.advisory-paras {
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-ink-soft);
}

@media (min-width: 768px) { .advisory-paras { font-size: 1.125rem; } }

/* ─── Origin ─────────────────────────────────────────────────────────────── */

.origin-lead {
  font-size: 1.25rem;
  line-height: 1.4;
  color: var(--color-ink);
}

@media (min-width: 768px) { .origin-lead { font-size: 1.5rem; } }

.origin-body {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-ink-soft);
}

@media (min-width: 768px) { .origin-body { font-size: 1.125rem; } }

/* ─── Contact ────────────────────────────────────────────────────────────── */

.contact-inner { text-align: center; }

.contact-heading {
  margin-top: 2rem;
  font-size: clamp(1.875rem, 4vw, 3.25rem);
  line-height: 1.1;
  color: var(--color-ink);
}

.contact-link-wrap { margin-top: 3.5rem; }

.contact-link {
  display: inline-block;
  font-size: 1.5rem;
  letter-spacing: -0.015em;
  color: var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 0.5rem;
  transition: opacity 0.15s;
}

.contact-link:hover { opacity: 0.7; }

@media (min-width: 768px) { .contact-link { font-size: 1.875rem; } }

/* ─── Footer ─────────────────────────────────────────────────────────────── */

.site-footer {
  background: #3e2236;
  color: rgba(245, 241, 232, 0.75);
}

.footer-inner {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--px);
  padding-block: 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

@media (min-width: 768px) {
  .footer-inner { flex-direction: row; justify-content: space-between; }
}

.footer-name { color: #f5f1e8; }