/* ==========================================================================
   Undercliff Holdings — Stylesheet
   Design system: "Strata" — bedrock, layers, patient capital.
   Type:  Libre Caslon Display (British institutional voice)
          IBM Plex Sans (clarity)
          IBM Plex Mono  (ledger / data voice)
   Palette: bedrock petrol-slate, chalk-stone, iron-ochre, greensand-patina.
   ========================================================================== */

/* ---------- Tokens -------------------------------------------------------- */
:root {
  /* Bedrock / ink */
  --ink:        #11202a;
  --ink-2:      #16303c;
  --ink-3:      #1f3b48;
  --ink-4:      #28495a;

  /* Chalk / stone (light surfaces) */
  --stone:      #e7e4d9;
  --stone-2:    #dedacf;
  --paper:      #f1efe7;
  --paper-soft: #ece9df;

  /* Accents — geology */
  --ochre:      #a9743b;
  --ochre-2:    #c2904f;
  --ochre-soft: #d8b784;
  --patina:     #5d7d74;
  --patina-2:   #73958a;

  /* Lines */
  --line:        #cdc7b6;
  --line-soft:   #dcd6c6;
  --line-dark:   rgba(231, 228, 217, 0.16);
  --line-dark-2: rgba(231, 228, 217, 0.08);

  /* Text */
  --charcoal:   #1a2329;
  --slate:      #545d5f;
  --slate-2:    #6d7576;
  --chalk-100:  #e9e6dc;
  --chalk-80:   rgba(233, 230, 220, 0.82);
  --chalk-65:   rgba(233, 230, 220, 0.66);
  --chalk-50:   rgba(233, 230, 220, 0.50);

  /* Type */
  --font-display: "Libre Caslon Display", "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --font-body:    "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono:    "IBM Plex Mono", "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;

  /* Rhythm */
  --container: 1180px;
  --container-narrow: 880px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --section-y: clamp(3.75rem, 8vw, 7rem);
  --section-y-sm: clamp(2.75rem, 5vw, 4.5rem);
  --radius: 4px;
  --radius-lg: 8px;

  /* Shadow */
  --shadow-1: 0 1px 0 rgba(17, 32, 42, 0.04), 0 12px 32px -18px rgba(17, 32, 42, 0.28);
  --shadow-2: 0 1px 0 rgba(17, 32, 42, 0.05), 0 24px 60px -30px rgba(17, 32, 42, 0.45);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --header-h: 76px;
}

/* ---------- Reset --------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: clamp(1rem, 0.98rem + 0.1vw, 1.0625rem);
  line-height: 1.7;
  color: var(--charcoal);
  background: var(--stone);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: 0; }
ul, ol { margin: 0; padding: 0; }
li { list-style: none; }
h1, h2, h3, h4, p, figure, blockquote { margin: 0; }
:focus-visible { outline: 2px solid var(--ochre-2); outline-offset: 3px; border-radius: 2px; }
::selection { background: var(--ochre); color: var(--paper); }

/* ---------- Type scale ---------------------------------------------------- */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 400; line-height: 1.08; letter-spacing: -0.01em; color: var(--ink); }
h1 { font-size: clamp(2.5rem, 1.5rem + 4.2vw, 4.5rem); }
h2 { font-size: clamp(1.9rem, 1.3rem + 2.1vw, 2.9rem); }
h3 { font-size: clamp(1.3rem, 1.1rem + 0.7vw, 1.65rem); line-height: 1.2; }
h4 { font-family: var(--font-body); font-weight: 600; font-size: 1.0625rem; letter-spacing: 0.01em; line-height: 1.4; }
p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }
.lead {
  font-size: clamp(1.125rem, 1rem + 0.6vw, 1.35rem);
  line-height: 1.6;
  color: var(--slate);
  font-weight: 400;
}

/* Eyebrow — ledger/data voice */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ochre);
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  margin-bottom: 1.1rem;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: currentColor;
  opacity: 0.7;
}
.eyebrow--center { justify-content: center; }
.eyebrow--bare::before { display: none; }

/* Mono label / data */
.mono { font-family: var(--font-mono); }
.mono-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate-2);
}

/* ---------- Layout helpers ----------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: var(--container-narrow); }

.section { padding-block: var(--section-y); position: relative; }
.section--tight { padding-block: var(--section-y-sm); }
.section--ink   { background: var(--ink); color: var(--chalk-100); }
.section--ink-2 { background: var(--ink-2); color: var(--chalk-100); }
.section--stone { background: var(--stone); }
.section--stone-2 { background: var(--stone-2); }
.section--paper { background: var(--paper); }

.section--ink h1,
.section--ink h2,
.section--ink h3,
.section--ink-2 h1,
.section--ink-2 h2,
.section--ink-2 h3 { color: var(--chalk-100); }
.section--ink .lead,
.section--ink-2 .lead { color: var(--chalk-80); }

.section-head { max-width: 720px; margin-bottom: clamp(2rem, 4vw, 3.25rem); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .eyebrow { justify-content: center; }
.section-head p { color: var(--slate); margin-top: 0.9rem; }
.section--ink .section-head p,
.section--ink-2 .section-head p { color: var(--chalk-80); }

/* Strata divider — layered hairlines between sections */
.strata-rule {
  height: 14px;
  background-image:
    linear-gradient(to bottom,
      var(--ink) 0, var(--ink) 1px,
      transparent 1px, transparent 4px,
      var(--ochre) 4px, var(--ochre) 5px,
      transparent 5px, transparent 9px,
      var(--patina) 9px, var(--patina) 10px,
      transparent 10px);
  opacity: 0.5;
}
.strata-rule--on-dark {
  background-image:
    linear-gradient(to bottom,
      var(--chalk-100) 0, var(--chalk-100) 1px,
      transparent 1px, transparent 4px,
      var(--ochre-2) 4px, var(--ochre-2) 5px,
      transparent 5px, transparent 9px,
      var(--patina-2) 9px, var(--patina-2) 10px);
  opacity: 0.55;
}

/* ---------- Buttons ------------------------------------------------------- */
.btn {
  --btn-bg: var(--ink);
  --btn-fg: var(--chalk-100);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6em;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  line-height: 1;
  padding: 0.95em 1.5em;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: var(--btn-bg);
  color: var(--btn-fg);
  transition: background 0.3s var(--ease), color 0.3s var(--ease),
              border-color 0.3s var(--ease), transform 0.3s var(--ease),
              box-shadow 0.3s var(--ease);
  text-align: center;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn svg, .btn .icon { width: 1.05em; height: 1.05em; flex: none; }

.btn--primary {
  --btn-bg: var(--ochre);
  --btn-fg: #fff;
  box-shadow: 0 14px 30px -16px rgba(169, 116, 59, 0.7);
}
.btn--primary:hover { --btn-bg: var(--ochre-2); }

.btn--ink { --btn-bg: var(--ink); --btn-fg: var(--chalk-100); }
.btn--ink:hover { --btn-bg: var(--ink-3); }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--ink);
  border-color: var(--line);
}
.btn--ghost:hover { border-color: var(--ink); --btn-bg: rgba(17,32,42,0.04); transform: translateY(-2px); }

.btn--light {
  --btn-bg: transparent;
  --btn-fg: var(--chalk-100);
  border-color: var(--line-dark);
}
.btn--light:hover { border-color: var(--chalk-100); --btn-bg: rgba(233,230,220,0.06); }

.btn--sm { padding: 0.7em 1.05em; font-size: 0.86rem; }
.btn--lg { padding: 1.1em 1.9em; font-size: 1rem; }
.btn--block { display: flex; width: 100%; }

.btn--whatsapp {
  --btn-bg: #25D366;
  --btn-fg: #0b3d24;
  box-shadow: 0 14px 30px -16px rgba(37, 211, 102, 0.6);
}
.btn--whatsapp:hover { --btn-bg: #2fe671; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-weight: 600;
  color: var(--ochre);
  border-bottom: 1px solid rgba(169, 116, 59, 0.35);
  padding-bottom: 2px;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), gap 0.25s var(--ease);
}
.text-link:hover { color: var(--ochre-2); border-color: var(--ochre-2); gap: 0.65em; }
.text-link--light { color: var(--chalk-100); border-color: var(--line-dark); }
.text-link--light:hover { color: var(--ochre-soft); }

/* ---------- Header / Nav -------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(231, 228, 217, 0.86);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 10px 30px -24px rgba(17, 32, 42, 0.5);
}
/* dark hero pages: header starts transparent over ink */
.site-header.on-dark {
  background: rgba(17, 32, 42, 0.55);
  border-bottom-color: var(--line-dark-2);
}
.site-header.on-dark.is-scrolled {
  background: rgba(17, 32, 42, 0.94);
  border-bottom-color: var(--line-dark);
}
.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

/* Brand */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  margin-right: auto;
  color: var(--ink);
}
.site-header.on-dark .brand { color: var(--chalk-100); }
.brand-mark { width: 30px; height: 34px; flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-name {
  font-family: var(--font-display);
  font-size: 1.32rem;
  letter-spacing: 0.005em;
  color: inherit;
}
.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--ochre);
  margin-top: 3px;
}
.site-header.on-dark .brand-sub { color: var(--ochre-2); }

/* Nav */
.nav { display: none; }
.nav ul { display: flex; align-items: center; gap: clamp(1rem, 2vw, 2rem); }
.nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--charcoal);
  position: relative;
  padding: 0.4em 0;
  transition: color 0.25s var(--ease);
}
.site-header.on-dark .nav a { color: var(--chalk-80); }
.nav a:hover { color: var(--ochre); }
.nav a[aria-current="page"] { color: var(--ochre); }
.nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--ochre);
}

.header-actions { display: none; align-items: center; gap: 0.85rem; }
.phone-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: 0.02em;
}
.site-header.on-dark .phone-link { color: var(--chalk-100); }
.phone-link svg { width: 16px; height: 16px; color: var(--ochre); }
.phone-link:hover { color: var(--ochre); }

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0 10px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}
.site-header.on-dark .nav-toggle { border-color: var(--line-dark); }
.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--ink);
  transition: transform 0.3s var(--ease), opacity 0.2s var(--ease);
}
.site-header.on-dark .nav-toggle span { background: var(--chalk-100); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav drawer */
.nav-drawer {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: var(--ink);
  color: var(--chalk-100);
  padding: 2.5rem var(--gutter) 3rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  transform: translateY(-12px);
  opacity: 0;
  visibility: hidden;
  transition: transform 0.35s var(--ease), opacity 0.35s var(--ease), visibility 0.35s;
  z-index: 99;
  overflow-y: auto;
}
.nav-drawer.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
.nav-drawer a.drawer-link {
  font-family: var(--font-display);
  font-size: 1.8rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--line-dark-2);
  color: var(--chalk-100);
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
}
.nav-drawer a.drawer-link span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ochre-2);
  letter-spacing: 0.18em;
}
.drawer-contact { margin-top: 1.75rem; display: flex; flex-direction: column; gap: 0.85rem; }
.drawer-contact .btn { width: 100%; }

@media (min-width: 940px) {
  .nav { display: block; }
  .header-actions { display: flex; }
  .nav-toggle { display: none; }
  .nav-drawer { display: none !important; }
}

/* ---------- Hero ---------------------------------------------------------- */
.hero {
  position: relative;
  background:
    radial-gradient(120% 90% at 78% -10%, rgba(169, 116, 59, 0.28), transparent 55%),
    radial-gradient(80% 70% at 12% 0%, rgba(93, 125, 116, 0.18), transparent 60%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
  color: var(--chalk-100);
  overflow: hidden;
  padding-top: clamp(3.5rem, 8vw, 6.5rem);
  padding-bottom: 0;
}
.hero-strata {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  width: 100%;
  height: auto;
  opacity: 0.85;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  padding-bottom: clamp(5rem, 12vw, 9rem);
  max-width: 980px;
}
.hero h1 {
  color: var(--chalk-100);
  font-size: clamp(2.6rem, 1.4rem + 5vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.015em;
  margin-bottom: 1.5rem;
}
.hero h1 em {
  font-style: italic;
  color: var(--ochre-soft);
}
.hero .lead {
  color: var(--chalk-80);
  max-width: 620px;
  margin-bottom: 2.25rem;
  font-size: clamp(1.15rem, 1rem + 0.6vw, 1.4rem);
}
.hero-eyebrow { color: var(--ochre-2); margin-bottom: 1.5rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.85rem; align-items: center; }
.hero-meta {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  padding-bottom: clamp(2rem, 5vw, 3.25rem);
  margin-top: clamp(1rem, 3vw, 2rem);
  border-top: 1px solid var(--line-dark-2);
  padding-top: clamp(1.5rem, 3vw, 2.25rem);
}
.hero-meta-item { min-width: 150px; }
.hero-meta-item .num {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 1.2rem + 1.6vw, 2.5rem);
  color: var(--chalk-100);
  line-height: 1;
  display: block;
  margin-bottom: 0.4rem;
}
.hero-meta-item .lbl {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--chalk-65);
  max-width: 16ch;
  display: block;
}

/* ---------- Page header (inner pages) ------------------------------------ */
.page-header {
  position: relative;
  background:
    radial-gradient(110% 80% at 80% -20%, rgba(169, 116, 59, 0.22), transparent 55%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
  color: var(--chalk-100);
  overflow: hidden;
  padding-block: clamp(3rem, 7vw, 5.5rem) clamp(2.5rem, 5vw, 4rem);
}
.page-header .strata-bottom { position: absolute; left:0; right:0; bottom:0; height: 26px; opacity: 0.55; }
.page-header-inner { position: relative; z-index: 2; max-width: 820px; }
.page-header h1 { color: var(--chalk-100); margin-bottom: 1.1rem; }
.page-header .lead { color: var(--chalk-80); max-width: 640px; }
.breadcrumbs {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--chalk-65);
  margin-bottom: 1.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}
.breadcrumbs a { color: var(--chalk-80); }
.breadcrumbs a:hover { color: var(--ochre-2); }
.breadcrumbs span.sep { opacity: 0.4; }
.breadcrumbs [aria-current="page"] { color: var(--ochre-2); }

/* ---------- Bento / capabilities grid ------------------------------------ */
.grid { display: grid; gap: 1.25rem; }
.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: 1fr; }
@media (min-width: 620px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 940px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* Capability card */
.card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 2.5vw, 2rem);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); border-color: var(--line); }
.card__icon {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ochre);
  margin-bottom: 1.25rem;
}
.card__icon svg { width: 24px; height: 24px; }
.card h3 { margin-bottom: 0.6rem; font-size: 1.3rem; }
.card p { color: var(--slate); font-size: 0.97rem; margin-bottom: 1.1rem; }
.card .text-link { margin-top: auto; }

/* Card on dark */
.section--ink .card,
.section--ink-2 .card {
  background: var(--ink-2);
  border-color: var(--line-dark-2);
}
.section--ink .card:hover,
.section--ink-2 .card:hover { border-color: var(--line-dark); background: var(--ink-3); }
.section--ink .card h3,
.section--ink-2 .card h3 { color: var(--chalk-100); }
.section--ink .card p,
.section--ink-2 .card p { color: var(--chalk-80); }
.section--ink .card__icon,
.section--ink-2 .card__icon { border-color: var(--line-dark); background: rgba(233,230,220,0.04); }

/* ---------- Ledger layout (label | content) ------------------------------ */
.ledger { display: grid; grid-template-columns: 1fr; gap: 0.4rem 2.5rem; }
@media (min-width: 720px) {
  .ledger { grid-template-columns: 200px 1fr; }
}
.ledger dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ochre);
  padding-top: 0.35rem;
  border-top: 1px solid var(--line-dark-2);
  padding-bottom: 0.75rem;
}
.section--stone .ledger dt,
.section--paper .ledger dt { color: var(--slate-2); border-color: var(--line-soft); }
.ledger dd { margin: 0; padding-top: 0.35rem; padding-bottom: 0.75rem; border-top: 1px solid var(--line-dark-2); }
.section--stone .ledger dd,
.section--paper .ledger dd { border-color: var(--line-soft); }
.ledger dd p { color: inherit; opacity: 0.92; }
.section--stone .ledger dd p,
.section--paper .ledger dd p { color: var(--slate); }

/* ---------- Capability detail block (services page) ---------------------- */
.capability {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-block: clamp(2.25rem, 4vw, 3.25rem);
  border-top: 1px solid var(--line-dark-2);
  align-items: start;
}
.section--stone .capability,
.section--paper .capability { border-top-color: var(--line); }
.capability:first-child { border-top: 0; padding-top: 0; }
@media (min-width: 860px) {
  .capability { grid-template-columns: 0.85fr 1.15fr; gap: clamp(2rem, 5vw, 4rem); }
}
.capability__head .num-tag {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.2em;
  color: var(--ochre);
  display: block;
  margin-bottom: 0.8rem;
}
.capability__head h2 { margin-bottom: 0.9rem; }
.capability__head p { color: var(--chalk-80); }
.section--stone .capability__head p,
.section--paper .capability__head p { color: var(--slate); }
.capability__body h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate-2);
  margin: 1.4rem 0 0.75rem;
}
.section--ink .capability__body h4,
.section--ink-2 .capability__body h4 { color: var(--ochre-2); }
.capability__body h4:first-child { margin-top: 0; }
.tick-list li {
  position: relative;
  padding-left: 1.85rem;
  margin-bottom: 0.6rem;
  color: var(--slate);
  font-size: 0.98rem;
}
.section--ink .tick-list li,
.section--ink-2 .tick-list li { color: var(--chalk-80); }
.tick-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.5em;
  width: 9px; height: 9px;
  border: 1px solid var(--ochre);
  background: linear-gradient(135deg, var(--ochre) 0 50%, transparent 50%);
}
.capability__body p { color: var(--slate); }
.section--ink .capability__body p,
.section--ink-2 .capability__body p { color: var(--chalk-80); }

/* ---------- Process (numbered sequence — Engage→Steward) ----------------- */
.process { display: grid; grid-template-columns: 1fr; gap: 1.25rem; counter-reset: step; }
@media (min-width: 760px) { .process { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1040px) { .process { grid-template-columns: repeat(4, 1fr); } }
.step {
  position: relative;
  background: var(--ink-2);
  border: 1px solid var(--line-dark-2);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem 1.6rem;
}
.step__num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--ochre-2);
  line-height: 1;
  display: block;
  margin-bottom: 1rem;
  letter-spacing: 0.01em;
}
.step h3 { color: var(--chalk-100); margin-bottom: 0.6rem; font-size: 1.22rem; }
.step p { color: var(--chalk-80); font-size: 0.93rem; margin: 0; }
@media (min-width: 1040px) {
  .step::after {
    content: "→";
    position: absolute;
    right: -1rem; top: 2.1rem;
    color: var(--ochre);
    opacity: 0.5;
    font-size: 1.2rem;
  }
  .step:last-child::after { display: none; }
}

/* ---------- Principles / values list -------------------------------------- */
.principles { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
@media (min-width: 760px) { .principles { grid-template-columns: repeat(2, 1fr); } }
.principle {
  border-left: 2px solid var(--ochre);
  padding: 0.4rem 0 0.4rem 1.4rem;
}
.principle h3 { font-size: 1.2rem; margin-bottom: 0.45rem; }
.principle p { color: var(--slate); font-size: 0.97rem; margin: 0; }
.section--ink .principle p,
.section--ink-2 .principle p { color: var(--chalk-80); }

/* ---------- Sectors / portfolio strata ----------------------------------- */
.sectors {
  border: 1px solid var(--line-dark-2);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.section--stone .sectors,
.section--paper .sectors { border-color: var(--line); }
.sector-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.4rem 1.5rem;
  padding: 1.35rem 1.5rem;
  border-top: 1px solid var(--line-dark-2);
  align-items: baseline;
  transition: background 0.3s var(--ease);
}
.section--stone .sector-row,
.section--paper .sector-row { border-top-color: var(--line); }
.sector-row:first-child { border-top: 0; }
.sector-row:hover { background: rgba(169, 116, 59, 0.07); }
@media (min-width: 720px) {
  .sector-row { grid-template-columns: 220px 1fr 140px; }
}
.sector-row__name { font-family: var(--font-display); font-size: 1.2rem; color: var(--chalk-100); }
.section--stone .sector-row__name,
.section--paper .sector-row__name { color: var(--ink); }
.sector-row__desc { color: var(--chalk-80); font-size: 0.95rem; }
.section--stone .sector-row__desc,
.section--paper .sector-row__desc { color: var(--slate); }
.sector-row__tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ochre-2);
  text-align: left;
}
@media (min-width: 720px) { .sector-row__tag { text-align: right; } }

/* ---------- Feature split (image/text) ----------------------------------- */
.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (min-width: 880px) { .split { grid-template-columns: 1fr 1fr; } }
.split__media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink-3);
  min-height: 320px;
  border: 1px solid var(--line-dark-2);
}
.split__media .strata-art { width: 100%; height: 100%; display: block; }
.split__copy h2 { margin-bottom: 1rem; }
.split__copy p { color: var(--slate); }
.section--ink .split__copy p,
.section--ink-2 .split__copy p { color: var(--chalk-80); }

/* ---------- Group / affiliation band ------------------------------------- */
.affiliation {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: center;
  padding: clamp(1.75rem, 4vw, 2.5rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper);
}
@media (min-width: 820px) { .affiliation { grid-template-columns: auto 1fr auto; } }
.affiliation__mark {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--ink);
  padding-right: 1.5rem;
  border-right: 1px solid var(--line);
}
.affiliation__copy { font-size: 0.97rem; color: var(--slate); }
.affiliation__copy strong { color: var(--ink); font-weight: 600; }

/* ---------- Quote / pullquote ------------------------------------------- */
.pullquote {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2.1rem);
  line-height: 1.32;
  color: var(--chalk-100);
  max-width: 900px;
  position: relative;
  padding-left: 1.5rem;
  border-left: 2px solid var(--ochre);
}
.section--stone .pullquote,
.section--paper .pullquote { color: var(--ink); }
.pullquote cite {
  display: block;
  margin-top: 1.25rem;
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ochre-2);
}

/* ---------- FAQ accordion ------------------------------------------------- */
.faq-list { display: flex; flex-direction: column; gap: 0.85rem; }
.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper);
  overflow: hidden;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.faq-item[open] { border-color: var(--ochre); box-shadow: var(--shadow-1); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  font-family: var(--font-display);
  font-size: 1.18rem;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  transition: color 0.25s var(--ease);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--ochre); }
.faq-item summary .faq-icon {
  flex: none;
  width: 22px; height: 22px;
  position: relative;
  color: var(--ochre);
}
.faq-item summary .faq-icon::before,
.faq-item summary .faq-icon::after {
  content: ""; position: absolute;
  background: currentColor;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
.faq-item summary .faq-icon::before { top: 50%; left: 0; right: 0; height: 2px; transform: translateY(-50%); }
.faq-item summary .faq-icon::after { left: 50%; top: 0; bottom: 0; width: 2px; transform: translateX(-50%); }
.faq-item[open] summary .faq-icon::after { transform: translateX(-50%) scaleY(0); opacity: 0; }
.faq-item .faq-answer {
  padding: 0 1.5rem 1.4rem;
  color: var(--slate);
  max-width: 760px;
}
.faq-item .faq-answer p + p { margin-top: 0.85rem; }

/* ---------- Contact ------------------------------------------------------- */
.contact-grid { display: grid; grid-template-columns: 1fr; gap: clamp(2rem, 5vw, 3.5rem); }
@media (min-width: 900px) { .contact-grid { grid-template-columns: 1fr 1fr; } }
.contact-detail { display: flex; gap: 1rem; align-items: flex-start; padding: 1rem 0; border-top: 1px solid var(--line-dark-2); }
.section--paper .contact-detail,
.section--stone .contact-detail { border-top-color: var(--line); }
.contact-detail:first-child { border-top: 0; }
.contact-detail__icon {
  width: 40px; height: 40px; flex: none;
  display: grid; place-items: center;
  border: 1px solid var(--line-dark); border-radius: var(--radius);
  color: var(--ochre);
}
.section--paper .contact-detail__icon,
.section--stone .contact-detail__icon { border-color: var(--line); background: var(--paper); }
.contact-detail__icon svg { width: 20px; height: 20px; }
.contact-detail h4 { margin-bottom: 0.3rem; color: var(--chalk-100); font-family: var(--font-body); font-weight: 600; }
.section--paper .contact-detail h4,
.section--stone .contact-detail h4 { color: var(--ink); }
.contact-detail p, .contact-detail a { color: var(--chalk-80); font-size: 0.97rem; }
.section--paper .contact-detail p,
.section--paper .contact-detail a,
.section--stone .contact-detail p,
.section--stone .contact-detail a { color: var(--slate); }
.contact-detail a:hover { color: var(--ochre-2); }
.contact-detail .mono-label { display: block; margin-bottom: 0.3rem; }

/* Form */
.form-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.25rem);
}
.field { margin-bottom: 1.15rem; }
.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate-2);
  margin-bottom: 0.5rem;
}
.field input, .field select, .field textarea {
  width: 100%;
  font: inherit;
  color: var(--charcoal);
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.8rem 0.9rem;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--ochre);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(169, 116, 59, 0.14);
}
.field-row { display: grid; grid-template-columns: 1fr; gap: 0; }
@media (min-width: 560px) { .field-row { grid-template-columns: 1fr 1fr; gap: 1rem; } }
.form-note { font-size: 0.82rem; color: var(--slate-2); margin-top: 0.85rem; }

/* Map / area block */
.area-block {
  border: 1px solid var(--line-dark-2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink-2);
}
.section--paper .area-block,
.section--stone .area-block { background: var(--paper); border-color: var(--line); }
.area-block .strata-art { width: 100%; height: 220px; display: block; }
.area-block__body { padding: 1.5rem; }
.area-block__body h3 { color: var(--chalk-100); margin-bottom: 0.5rem; }
.section--paper .area-block__body h3,
.section--stone .area-block__body h3 { color: var(--ink); }
.area-block__body p { color: var(--chalk-80); }
.section--paper .area-block__body p,
.section--stone .area-block__body p { color: var(--slate); }

/* ---------- CTA band ------------------------------------------------------ */
.cta-band {
  background:
    radial-gradient(110% 90% at 85% -10%, rgba(169,116,59,0.32), transparent 55%),
    linear-gradient(180deg, var(--ink-2), var(--ink));
  color: var(--chalk-100);
  border-radius: var(--radius-lg);
  padding: clamp(2.5rem, 6vw, 4.5rem);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band h2 { color: var(--chalk-100); max-width: 16ch; margin-inline: auto; margin-bottom: 1.1rem; }
.cta-band p { color: var(--chalk-80); max-width: 52ch; margin-inline: auto; margin-bottom: 1.9rem; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 0.85rem; justify-content: center; }

/* ---------- Footer -------------------------------------------------------- */
.site-footer { background: var(--ink); color: var(--chalk-80); padding-top: clamp(3rem, 6vw, 4.5rem); }
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--line-dark-2);
}
@media (min-width: 620px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
@media (min-width: 940px) { .footer-grid { grid-template-columns: 1.6fr 1fr 1fr 1.2fr; } }
.footer-brand .brand { color: var(--chalk-100); margin-bottom: 1.1rem; }
.footer-brand p { color: var(--chalk-65); font-size: 0.93rem; max-width: 34ch; }
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ochre-2);
  margin-bottom: 1.1rem;
  font-weight: 500;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col a, .footer-col li { color: var(--chalk-65); font-size: 0.93rem; transition: color 0.25s var(--ease); }
.footer-col a:hover { color: var(--ochre-soft); }
.footer-contact li { display: flex; gap: 0.6rem; align-items: flex-start; }
.footer-contact svg { width: 15px; height: 15px; color: var(--ochre-2); margin-top: 3px; flex: none; }

.footer-group {
  border-bottom: 1px solid var(--line-dark-2);
  padding-block: 1.4rem;
}
.footer-group .container { display: flex; flex-wrap: wrap; gap: 0.5rem 0.75rem; align-items: center; font-size: 0.9rem; color: var(--chalk-65); }
.footer-group .group-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ochre-2);
  margin-right: 0.4rem;
}
.footer-group a { color: var(--chalk-100); border-bottom: 1px solid var(--line-dark); padding-bottom: 1px; transition: color 0.25s var(--ease), border-color 0.25s var(--ease); }
.footer-group a:hover { color: var(--ochre-soft); border-color: var(--ochre-soft); }

.footer-bottom { padding-block: 1.5rem; display: flex; flex-direction: column; gap: 0.5rem; }
.footer-bottom .container { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; justify-content: space-between; align-items: center; }
.footer-bottom p { font-size: 0.8rem; color: var(--chalk-50); margin: 0; }

/* ---------- Reveal animation --------------------------------------------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal--delay-1 { transition-delay: 0.08s; }
.reveal--delay-2 { transition-delay: 0.16s; }
.reveal--delay-3 { transition-delay: 0.24s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .btn:hover, .card:hover { transform: none !important; }
}

/* ---------- Utilities ----------------------------------------------------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-1 { margin-top: 0.75rem; }
.mt-2 { margin-top: 1.5rem; }
.mt-3 { margin-top: 2.25rem; }
.stack > * + * { margin-top: 1rem; }
.cluster { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; }
.divider-line { height: 1px; background: var(--line); border: 0; margin: 0; }
.section--ink .divider-line,
.section--ink-2 .divider-line { background: var(--line-dark-2); }

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

/* skip link */
.skip-link {
  position: absolute; left: 1rem; top: -100px;
  background: var(--ochre); color: #fff;
  padding: 0.7rem 1rem; border-radius: var(--radius); z-index: 200;
  transition: top 0.25s var(--ease); font-weight: 600; font-size: 0.9rem;
}
.skip-link:focus { top: 1rem; }

/* ---------- Mobile tweaks ------------------------------------------------- */
@media (max-width: 540px) {
  .hero-actions .btn, .cta-actions .btn { width: 100%; }
  .hero-meta { gap: 1.5rem 2rem; }
}

@media print {
  .site-header, .nav-toggle, .nav-drawer, .site-footer .footer-group, .cta-band { display: none !important; }
  body { background: #fff; color: #000; }
}