/* ------------------------------------------------------------------
   The Culture Institute of Australia — site styles
   Dark navy + cyan/purple gradient · Outfit
   ------------------------------------------------------------------ */

:root {
  /* Palette — Navy (default, on-brand) */
  --bg: #051c34;
  --bg-2: #0a2747;
  --bg-3: #0f325a;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-2: rgba(255, 255, 255, 0.06);
  --ink: #f4f6fa;
  --ink-2: rgba(244, 246, 250, 0.82);
  --muted: rgba(244, 246, 250, 0.55);
  --faint: rgba(244, 246, 250, 0.32);
  --line: rgba(244, 246, 250, 0.10);
  --line-2: rgba(244, 246, 250, 0.20);

  --accent: #10eeec;          /* brand cyan */
  --accent-2: #6b1fff;        /* brand purple */
  --accent-soft: #379cf1;     /* mid blue */
  --on-accent: #051c34;

  --bg-light: #f6f5f1;        /* used for the white-contrast section */
  --bg-light-2: #eeece5;
  --ink-on-light: #051633;
  --muted-on-light: #6a7686;
  --line-on-light: rgba(5, 22, 51, 0.12);

  /* Type */
  --font-display: "Outfit", "Inter Tight", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-sans:    "Outfit", "Inter Tight", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono:    "IBM Plex Mono", "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* Layout */
  --max: 1440px;
  --gutter: clamp(20px, 4vw, 56px);
  --section-pad: clamp(80px, 8vw, 144px);
}

/* Palette variants applied via [data-palette] on <html> */
html[data-palette="light"] {
  --bg: #f6f5f1;
  --bg-2: #eeece5;
  --bg-3: #ffffff;
  --surface: rgba(5, 28, 52, 0.04);
  --surface-2: rgba(5, 28, 52, 0.06);
  --ink: #051c34;
  --ink-2: rgba(5, 28, 52, 0.82);
  --muted: rgba(5, 28, 52, 0.55);
  --faint: rgba(5, 28, 52, 0.30);
  --line: rgba(5, 28, 52, 0.10);
  --line-2: rgba(5, 28, 52, 0.22);

  --accent: #008f7a;
  --accent-2: #6b1fff;
  --accent-soft: #2a6fdb;
  --on-accent: #ffffff;
}
html[data-palette="violet"] {
  --bg: #0c0820;
  --bg-2: #14102f;
  --bg-3: #1a1640;
  --accent: #b794ff;
  --accent-2: #2af0d2;
}

/* Density */
html[data-density="compact"] {
  --section-pad: clamp(64px, 7vw, 112px);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

html {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body { background: var(--bg); overflow-x: clip; }

::selection { background: var(--accent); color: var(--on-accent); }

a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

/* ---------- Reusable atoms ---------- */

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding-inline: var(--gutter);
  position: relative;
}

.mono {
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}

.display {
  font-family: var(--font-display);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.02;
  color: var(--ink);
  text-wrap: balance;
}
.display strong, .display em { font-weight: 700; font-style: normal; }

.hairline {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--accent);
  opacity: 0.7;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-transform: none;
  font-weight: 400;
}

.section-num {
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--muted);
  text-transform: uppercase;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.section-num::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--accent);
  display: inline-block;
}

.gradient-text {
  background: none;
  color: var(--ink-on-light);
  -webkit-text-fill-color: var(--ink-on-light);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 48px;
  padding: 0 22px;
  border-radius: 0;
  border: 1px solid transparent;
  font-family: var(--font-sans);
  font-size: 14px;
  letter-spacing: 0;
  font-weight: 500;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { background: var(--ink); color: var(--bg); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn-ghost:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.btn-arrow { width: 1em; height: 1em; }

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--accent);
  font-size: 15px;
  font-weight: 500;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms ease, color 180ms ease;
}
.btn-link:hover { border-color: var(--accent); }
.btn-link .tri { width: 0; height: 0; border-style: solid; border-width: 6px 0 6px 9px; border-color: transparent transparent transparent currentColor; }

/* ---------- Nav ---------- */

.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklab, var(--bg) 88%, transparent);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 84px;
}
.brand { display: inline-flex; align-items: center; }
.brand img.logo { height: 56px; width: auto; display: block; }
@media (max-width: 760px) { .brand img.logo { height: 44px; } }

.nav-links {
  display: flex; gap: 44px; margin-left: auto;
  font-size: 15px;
  font-weight: 400;
}
.nav-links a {
  position: relative;
  color: var(--ink);
  padding: 8px 0;
  transition: color 180ms ease;
}
.nav-links a:hover { color: var(--accent); }
.nav-links a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--accent);
}
.nav-cta { display: flex; gap: 10px; margin-left: 8px; }
@media (max-width: 600px) { .nav-cta .btn { padding: 0 16px; height: 42px; font-size: 13px; } }

/* Events dropdown */
.nav-dropdown {
  position: relative;
  display: flex;
  align-items: center;
}
.nav-dropdown-trigger {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink);
  text-decoration: none;
  transition: color 180ms ease;
}
.nav-dropdown-trigger:hover { color: var(--accent); }
.nav-dropdown-trigger.active::after {
  content: ""; position: absolute; left: 0; right: 14px; bottom: -1px; height: 2px; background: var(--accent);
}
.nav-dropdown-caret {
  transition: transform 180ms ease;
  opacity: 0.7;
}
.nav-dropdown:hover .nav-dropdown-caret,
.nav-dropdown:focus-within .nav-dropdown-caret { transform: rotate(180deg); opacity: 1; }

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 14px);
  right: -8px;
  min-width: 360px;
  background: color-mix(in oklab, var(--bg) 96%, #000 4%);
  border: 1px solid var(--line);
  box-shadow: 0 24px 60px -20px rgba(0,0,0,0.45), 0 2px 8px rgba(0,0,0,0.25);
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms;
  z-index: 60;
}
.nav-dropdown-menu::before {
  /* hover bridge so the menu doesn't close in the gap */
  content: "";
  position: absolute;
  top: -14px;
  left: 0;
  right: 0;
  height: 14px;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-dropdown-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  text-decoration: none;
  color: var(--ink);
  border-radius: 2px;
  transition: background 140ms ease, color 140ms ease;
}
.nav-dropdown-item:hover,
.nav-dropdown-item:focus-visible {
  background: color-mix(in oklch, var(--accent) 10%, transparent);
  color: var(--ink);
}
.nav-dropdown-item:hover .nav-dropdown-title,
.nav-dropdown-item:focus-visible .nav-dropdown-title { color: var(--accent); }
.nav-dropdown-overview {
  flex-direction: column;
  gap: 4px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 4px;
}
.nav-dropdown-eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}
.nav-dropdown-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
  padding-top: 4px;
  flex: 0 0 auto;
}
.nav-dropdown-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.nav-dropdown-title {
  font-size: 14px;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.005em;
  color: var(--ink);
  transition: color 140ms ease;
}
.nav-dropdown-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
}
/* ---------- Mobile burger + drop-down ---------- */

.nav-burger {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 0;
  background: transparent;
  border: 0;
  cursor: pointer;
  color: var(--ink);
  -webkit-tap-highlight-color: transparent;
}
.nav-burger:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}
.nav-burger-line {
  position: absolute;
  left: 50%;
  width: 24px;
  height: 2px;
  margin-left: -12px;
  background: currentColor;
  border-radius: 2px;
  transform-origin: 50% 50%;
  transition:
    top 280ms cubic-bezier(0.4, 0.0, 0.2, 1),
    transform 280ms cubic-bezier(0.4, 0.0, 0.2, 1),
    background 200ms ease;
}
.nav-burger-line-1 { top: 17px; }
.nav-burger-line-2 { top: 25px; }
.nav-burger.is-open { color: var(--accent); }
.nav-burger.is-open .nav-burger-line-1 { top: 21px; transform: rotate(45deg); }
.nav-burger.is-open .nav-burger-line-2 { top: 21px; transform: rotate(-45deg); }

.nav-mobile {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  background: color-mix(in oklab, var(--bg) 96%, #000 4%);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 24px 60px -20px rgba(0,0,0,0.45);
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    max-height 360ms cubic-bezier(0.4, 0.0, 0.2, 1),
    opacity 240ms ease,
    visibility 360ms;
}
.nav-mobile.is-open {
  max-height: calc(100vh - 84px);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.nav-mobile-inner {
  display: flex;
  flex-direction: column;
  padding-block: 12px 28px;
}
.nav-mobile-item {
  display: block;
  padding: 18px 0;
  color: var(--ink);
  font-size: 20px;
  font-weight: 400;
  letter-spacing: -0.01em;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  opacity: 0;
  transform: translateY(-8px);
  transition:
    opacity 320ms ease,
    transform 320ms cubic-bezier(0.4, 0.0, 0.2, 1),
    color 180ms ease;
}
.nav-mobile-item:hover,
.nav-mobile-item:focus-visible { color: var(--accent); }
.nav-mobile-item.active { color: var(--accent); }
.nav-mobile-sub {
  display: flex;
  flex-direction: column;
  padding: 6px 0 10px 16px;
  border-bottom: 1px solid var(--line);
  opacity: 0;
  transform: translateY(-8px);
  transition:
    opacity 320ms ease,
    transform 320ms cubic-bezier(0.4, 0.0, 0.2, 1);
}
.nav-mobile-subitem {
  padding: 10px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 180ms ease;
}
.nav-mobile-subitem:hover,
.nav-mobile-subitem:focus-visible { color: var(--accent); }
.nav-mobile-cta {
  margin-top: 22px;
  align-self: flex-start;
  opacity: 0;
  transform: translateY(-8px);
  transition:
    opacity 320ms ease,
    transform 320ms cubic-bezier(0.4, 0.0, 0.2, 1);
}
.nav-mobile.is-open .nav-mobile-item,
.nav-mobile.is-open .nav-mobile-sub,
.nav-mobile.is-open .nav-mobile-cta {
  opacity: 1;
  transform: translateY(0);
}
.nav-mobile.is-open .nav-mobile-item:nth-child(1) { transition-delay: 60ms; }
.nav-mobile.is-open .nav-mobile-item:nth-child(2) { transition-delay: 100ms; }
.nav-mobile.is-open .nav-mobile-item:nth-child(3) { transition-delay: 140ms; }
.nav-mobile.is-open .nav-mobile-item:nth-child(4) { transition-delay: 180ms; }
.nav-mobile.is-open .nav-mobile-sub             { transition-delay: 220ms; }
.nav-mobile.is-open .nav-mobile-item:nth-child(6) { transition-delay: 260ms; }
.nav-mobile.is-open .nav-mobile-cta             { transition-delay: 300ms; }

body.nav-open { overflow: hidden; }

@media (prefers-reduced-motion: reduce) {
  .nav-burger-line,
  .nav-mobile,
  .nav-mobile-item,
  .nav-mobile-sub,
  .nav-mobile-cta { transition-duration: 0ms !important; transition-delay: 0ms !important; }
}

@media (max-width: 860px) {
  .nav-dropdown { display: none; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-burger { display: inline-block; }
}

/* ---------- HubSpot embedded forms ---------- */
.hs-share-frame {
  width: 100%;
  min-height: 720px;
  border: 0;
  background: transparent;
  display: block;
}
.hs-form-frame { width: 100%; }

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

.hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(64px, 7vw, 120px);
  padding-bottom: clamp(80px, 9vw, 160px);
  min-height: clamp(560px, 80vh, 920px);
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  width: 100%;
}
.hero-spacer { display: none; }

.hero-text {
  position: relative;
  z-index: 2;
  max-width: 1100px;
}
.hero-text .hairline { margin-bottom: 32px; }
.hero-text .eyebrow { margin-bottom: 28px; color: var(--ink-2); font-size: 15px; }
.hero h1 {
  margin: 0;
  font-size: clamp(38px, 5vw, 68px);
  font-weight: 300;
  letter-spacing: -0.022em;
  line-height: 1.08;
  max-width: 18ch;
}
.hero h1 strong { font-weight: 500; color: var(--ink); }
.hero-text .hairline { opacity: 0.45; }
.hero-text .hairline.bot { margin-top: 36px; margin-bottom: 28px; opacity: 0.45; }
.hero-cta-row { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; }

/* Gradient blob behind hero — brand artwork, rotated; text lives beneath */
.hero { align-items: flex-end; padding-top: clamp(140px, 16vw, 240px); }
.hero-blob {
  position: absolute;
  top: 38%;
  left: 62%;
  transform: translate(-50%, -50%) rotate(90deg);
  width: clamp(840px, 96vw, 1470px);
  height: clamp(840px, 96vw, 1470px);
  background-image: url('assets/bg-2.webp');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  pointer-events: none;
  z-index: 1;
  opacity: 0.88;
  filter: saturate(0.92) brightness(0.94);
  /* slight fade-out in the very centre so the cyan-purple seam is calmer */
  -webkit-mask-image: radial-gradient(circle, rgba(0,0,0,0.7) 0%, #000 35%, #000 100%);
          mask-image: radial-gradient(circle, rgba(0,0,0,0.7) 0%, #000 35%, #000 100%);
}
/* soft bottom-half vignette so the copy beneath stays legible */
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 0%, transparent 35%, rgba(5,28,52,0.55) 60%, var(--bg) 100%),
    linear-gradient(95deg, var(--bg) 0%, rgba(5,28,52,0.55) 18%, transparent 45%);
  pointer-events: none;
  z-index: 1;
}
@media (max-width: 979px) {
  .hero-blob { opacity: 0.7; width: 130vw; height: 130vw; left: 70%; top: 30%; }
}

/* hero variant: statement (full width, centered) */
.hero[data-variant="statement"] .hero-grid { grid-template-columns: 1fr; }
.hero[data-variant="statement"] .hero-text { max-width: 1300px; }
.hero[data-variant="statement"] h1 { font-size: clamp(56px, 9vw, 132px); max-width: 18ch; }
.hero[data-variant="statement"] .hero-blob {
  background-image: url('assets/bg-9.webp');
  left: 50%; top: 50%;
  width: 90vw; height: 90vh;
  opacity: 0.5;
  filter: blur(40px);
}

/* hero variant: blob — the bowtie/sprite shape */
.hero[data-variant="blob"] .hero-blob {
  background-image: url('assets/bg-1.webp');
  left: 60%; top: 50%;
  width: clamp(640px, 78vw, 1240px);
  height: clamp(640px, 78vw, 1240px);
  opacity: 0.85;
}

/* hero variant: split (default look from screenshot) */
.hero[data-variant="split"] .hero-blob {
  background-image: url('assets/bg-1.webp');
}

/* ---------- "What boards need" — light-contrast section ---------- */

.boards {
  background: var(--bg-light);
  color: var(--ink-on-light);
  padding-block: clamp(120px, 12vw, 200px);
  position: relative;
  overflow: hidden;
}
.boards::before {
  content: "";
  position: absolute;
  top: -15%; right: -8%;
  width: clamp(360px, 36vw, 600px);
  height: clamp(360px, 36vw, 600px);
  background-image: url('assets/bg-6.webp');
  background-size: contain;
  background-repeat: no-repeat;
  opacity: 0.10;
  pointer-events: none;
}
.boards .container { max-width: 1200px; position: relative; z-index: 1; }
.boards-head {
  margin-bottom: clamp(56px, 7vw, 112px);
}
.boards h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.2vw, 58px);
  font-weight: 300;
  letter-spacing: -0.022em;
  line-height: 1.08;
  margin: 0;
  max-width: 18ch;
  color: var(--ink-on-light);
}
.boards h2 strong { font-weight: 500; }
.boards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px 64px;
}
@media (min-width: 900px) { .boards-grid { grid-template-columns: 1fr 1fr; } }
.boards-grid p {
  font-size: clamp(17px, 1.4vw, 20px);
  line-height: 1.55;
  color: var(--ink-on-light);
  margin: 0;
  max-width: 50ch;
}
.boards-grid .lead {
  font-size: clamp(20px, 1.7vw, 26px);
  font-weight: 500;
  line-height: 1.3;
  color: var(--ink-on-light);
}

/* ---------- Section scaffolding ---------- */

.section {
  padding-block: var(--section-pad);
  position: relative;
}
.section + .section { border-top: 1px solid var(--line); }
.section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-bottom: clamp(40px, 5vw, 72px);
  max-width: 1100px;
}
@media (min-width: 900px) {
  .section-head.split { grid-template-columns: 1.2fr 1fr; align-items: end; gap: 64px; max-width: none; }
}
.section-title {
  font-size: clamp(32px, 4vw, 56px);
  margin: 20px 0 0;
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--ink);
  max-width: 24ch;
  text-wrap: balance;
}
.section-title strong { font-weight: 500; }

/* CultureCon headline image — replaces the section title on Events.html "Three cities" */
.cc-headline {
  display: block;
  width: clamp(280px, 36vw, 520px);
  height: auto;
  margin: 16px 0 0;
}
.section-kicker { font-size: 17px; line-height: 1.6; color: var(--ink-2); max-width: 60ch; text-wrap: pretty; }

/* ---------- Practice / What we do ---------- */

.practice-list {
  border-top: 1px solid var(--line);
}
.practice-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 40px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
  cursor: pointer;
  transition: padding 200ms ease;
}
@media (min-width: 900px) {
  .practice-row { grid-template-columns: 200px 1.3fr 1fr 60px; gap: 48px; align-items: center; }
}
.practice-row:hover { padding-inline: 12px; }
.practice-row .num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--accent);
  display: flex; align-items: center; gap: 12px;
}
.practice-row .num .tag { color: var(--muted); }
.practice-row h3 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.2vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0;
  font-weight: 500;
}
.practice-row p { margin: 0; color: var(--ink-2); font-size: 16px; line-height: 1.55; }
.practice-row .arrow {
  justify-self: end;
  width: 48px; height: 48px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  color: var(--ink);
  display: grid; place-items: center;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease, transform 180ms ease;
}
.practice-row:hover .arrow { background: var(--accent); color: var(--on-accent); border-color: var(--accent); transform: rotate(-45deg); }

/* ---------- CultureHealth deep-dive ---------- */

.ch-section {
  padding-block: var(--section-pad);
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  border-top: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.ch-section::before {
  content: "";
  position: absolute;
  bottom: -25%; left: -15%;
  width: clamp(500px, 50vw, 900px);
  height: clamp(500px, 50vw, 900px);
  background-image: url('assets/bg-2.webp');
  background-size: contain;
  background-repeat: no-repeat;
  opacity: 0.10;
  pointer-events: none;
}
.ch-section .container { position: relative; z-index: 1; }
.ch-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  margin-bottom: clamp(64px, 7vw, 112px);
  align-items: center;
}
@media (min-width: 900px) { .ch-hero { grid-template-columns: 1.2fr 1fr; gap: 80px; } }
.ch-hero-logo { display: flex; align-items: center; }
.ch-hero-copy {
  display: flex;
  flex-direction: column;
  gap: clamp(20px, 2vw, 28px);
}
.ch-hero-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: clamp(18px, 1.6vw, 24px) clamp(20px, 1.8vw, 28px);
  border: 1px solid color-mix(in oklch, var(--accent) 45%, transparent);
  background: color-mix(in oklch, var(--accent) 8%, transparent);
  color: var(--ink);
  text-decoration: none;
  border-radius: 2px;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.ch-hero-cta:hover {
  background: color-mix(in oklch, var(--accent) 16%, transparent);
  border-color: var(--accent);
  transform: translateY(-1px);
}
.ch-hero-cta-body { display: flex; flex-direction: column; gap: 4px; }
.ch-hero-cta-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}
.ch-hero-cta-title {
  font-family: var(--font-display);
  font-size: clamp(18px, 1.5vw, 22px);
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1.2;
}
.ch-hero-cta-meta {
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.4;
}
.ch-hero-cta-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  color: var(--accent);
}
.ch-mark {
  font-family: var(--font-display);
  font-size: clamp(48px, 7vw, 96px);
  font-weight: 300;
  letter-spacing: -0.025em;
  line-height: 0.95;
  margin: 0;
}
.ch-mark strong { font-weight: 700; }
.ch-mark .tm { font-size: 0.4em; vertical-align: super; color: var(--accent); font-weight: 400; margin-left: 4px; }
.ch-logo { width: clamp(280px, 32vw, 460px); height: auto; display: block; margin-bottom: 12px; }
.ch-tagline {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 30px);
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 18px 0 0;
}
.ch-sub {
  font-size: clamp(17px, 1.5vw, 22px);
  line-height: 1.45;
  color: var(--ink-2);
  margin: 0;
}

.ch-intro {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  max-width: 1100px;
  margin-bottom: clamp(72px, 8vw, 128px);
}
@media (min-width: 900px) { .ch-intro { grid-template-columns: 1fr 1fr; gap: 56px; } }
.ch-intro p { font-size: 17px; line-height: 1.65; color: var(--ink-2); margin: 0; }
.ch-intro p strong { color: var(--ink); font-weight: 500; }

/* CultureHealth 3 pillars */
.ch-pillars {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: 24px;
}
@media (min-width: 760px) { .ch-pillars { grid-template-columns: repeat(3, 1fr); } }
.ch-pillar {
  background: var(--bg);
  padding: 40px 32px;
  display: flex; flex-direction: column; gap: 12px;
  min-height: 240px;
  position: relative;
  overflow: hidden;
}
.ch-pillar::before {
  content: "";
  position: absolute;
  inset: -50% -50% auto auto;
  width: 220px; height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent) 0%, transparent 60%);
  opacity: 0.08;
  pointer-events: none;
}
.ch-pillar-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--accent);
}
.ch-pillar h3 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0;
  line-height: 1.05;
}
.ch-pillar p { margin: 8px 0 0; font-size: 15px; line-height: 1.55; color: var(--ink-2); max-width: 32ch; }

.ch-strap {
  font-family: var(--font-display);
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--ink-2);
  text-align: right;
  margin: 0 0 clamp(72px, 8vw, 128px);
}

/* 5-dimensions table */
.ch-dimensions {
  margin-bottom: clamp(72px, 8vw, 128px);
}
.ch-dim-head {
  display: flex; justify-content: space-between; align-items: end; gap: 32px;
  margin-bottom: 40px; padding-bottom: 24px; border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}
.ch-dim-head h3 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0;
  max-width: 20ch;
}
.ch-dim-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
@media (min-width: 720px) { .ch-dim-grid { grid-template-columns: repeat(5, 1fr); } }
.ch-dim {
  background: var(--bg);
  padding: 32px 28px;
  display: flex; flex-direction: column; gap: 16px;
  min-height: 280px;
}
.ch-dim .n { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; color: var(--accent); }
.ch-dim h4 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin: 8px 0 0;
  line-height: 1.15;
}
.ch-dim p { margin: 0; font-size: 14px; line-height: 1.55; color: var(--ink-2); }

/* Comparison table */
.ch-compare {
  margin-bottom: clamp(72px, 8vw, 128px);
}
.ch-compare-head {
  margin-bottom: 32px;
}
.ch-compare-head h3 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  max-width: 24ch;
}
.ch-compare-head p { font-size: 17px; line-height: 1.6; color: var(--ink-2); margin: 0; max-width: 60ch; }

.ch-table {
  border: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
}
.ch-table .h, .ch-table .c {
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.5;
}
.ch-table .h:not(:last-child), .ch-table .c:not(:nth-child(3n)) {
  border-right: 1px solid var(--line);
}
.ch-table .h {
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--muted);
  background: var(--surface);
}
.ch-table .h-eng { color: var(--accent-soft); }
.ch-table .h-ch  { color: var(--accent); }
.ch-table .c { color: var(--ink-2); }
.ch-table .c.label { color: var(--ink); font-weight: 500; background: var(--surface); }
.ch-table .row-3 > * { border-bottom: 0; }

@media (max-width: 760px) {
  .ch-table { grid-template-columns: 1fr; }
  .ch-table .h:not(:last-child), .ch-table .c:not(:nth-child(3n)) { border-right: 0; }
}

/* Receive / Who-for cards */
.ch-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: 48px;
}
@media (min-width: 900px) { .ch-cards { grid-template-columns: 1fr 1fr; } }
.ch-card {
  background: var(--bg);
  padding: clamp(32px, 4vw, 56px);
  display: flex; flex-direction: column; gap: 20px;
}
.ch-card h4 {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 500;
  letter-spacing: -0.015em;
  margin: 8px 0 0;
}
.ch-card ul { list-style: none; padding: 0; margin: 8px 0 0; display: flex; flex-direction: column; gap: 14px; }
.ch-card li {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 12px;
  align-items: baseline;
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-2);
}
.ch-card li::before { content: "→"; color: var(--accent); }
.ch-card li > span { display: block; }

.ch-closer {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.2vw, 40px);
  font-weight: 300;
  letter-spacing: -0.018em;
  line-height: 1.2;
  margin: clamp(56px, 6vw, 96px) 0 0;
  max-width: 38ch;
}
.ch-closer strong { font-weight: 700; }

/* ---------- Events ---------- */

.events {
  position: relative;
}
.events::before {
  content: "";
  position: absolute;
  top: 10%; right: -10%;
  width: 480px; height: 480px;
  background-image: url('assets/bg-6.webp');
  background-size: contain;
  background-repeat: no-repeat;
  opacity: 0.18;
  pointer-events: none;
  z-index: 0;
}
.events .container { position: relative; z-index: 1; }

.events-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: 32px;
}
@media (min-width: 980px) { .events-grid { grid-template-columns: repeat(3, 1fr); } }

.event-card {
  background: var(--bg);
  padding: clamp(32px, 3.2vw, 48px);
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-height: 480px;
  position: relative;
  overflow: hidden;
  transition: background 200ms ease;
  isolation: isolate;
}
.event-card::before {
  content: "";
  position: absolute;
  inset: -10% -8% 30% -8%;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center top;
  opacity: 0.78;
  mix-blend-mode: screen;
  z-index: -1;
  transition: opacity 320ms ease, transform 600ms ease;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 55%, transparent 100%);
          mask-image: linear-gradient(180deg, #000 0%, #000 55%, transparent 100%);
}
.event-card:nth-child(1) { background: linear-gradient(155deg, #0a3258 0%, var(--bg) 70%); }
.event-card:nth-child(1)::before { background-image: url('assets/bg-4-cyan.webp'); }
.event-card:nth-child(2) { background: linear-gradient(155deg, #1a1444 0%, var(--bg) 70%); }
.event-card:nth-child(2)::before { background-image: url('assets/bg-8-tilted.webp'); }
.event-card:nth-child(3) { background: linear-gradient(155deg, #0e2853 0%, var(--bg) 65%); }
.event-card:nth-child(3)::before { background-image: url('assets/bg-3-pill.webp'); }
.event-card:hover { background: var(--surface); }
.event-card:hover::before { opacity: 0.78; transform: scale(1.04); }

.event-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}
.event-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--accent);
}
.event-city {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.event-city-name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.005em;
}
.event-city-country {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-transform: uppercase;
}

.event-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 2.4vw, 32px);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 4px 0 0;
  color: var(--ink);
}

.event-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-2);
  margin: 0;
  max-width: 38ch;
}

.event-meta {
  margin: 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 12px;
  margin-top: auto;
}
.event-meta div { display: grid; grid-template-columns: 90px 1fr; gap: 16px; align-items: baseline; }
.event-meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}
.event-meta dd {
  margin: 0;
  font-size: 14px;
  color: var(--ink);
  font-weight: 400;
}

.events-strap {
  font-size: 14px;
  color: var(--muted);
  text-align: center;
  margin: 24px 0 0;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

/* ---------- Clients ---------- */

.clients-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
@media (min-width: 640px) { .clients-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 900px) { .clients-grid { grid-template-columns: repeat(6, 1fr); } }
.client-cell {
  background: var(--bg);
  aspect-ratio: 5 / 3;
  display: grid;
  place-items: center;
  padding: 16px;
  transition: background 200ms ease;
}
.client-cell:hover { background: var(--surface); }
.client-name {
  font-family: var(--font-display);
  font-size: clamp(15px, 1.4vw, 19px);
  letter-spacing: 0;
  font-weight: 400;
  color: var(--ink);
  opacity: 0.78;
  text-align: center;
}

/* ---------- Insights ---------- */

.insights-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
@media (min-width: 760px) { .insights-grid { grid-template-columns: 1fr 1fr 1fr; } }
.insight-card {
  position: relative;
  background: var(--bg-2);
  display: flex;
  flex-direction: column;
  min-height: 480px;
  transition: transform 280ms ease, border-color 280ms ease;
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid var(--line);
}
.insight-card:hover { transform: translateY(-4px); border-color: var(--accent); }

.insight-card-media {
  position: relative;
  height: 240px;
  background-size: cover;
  background-position: top center;
  background-repeat: no-repeat;
  background-color: var(--bg);
  flex: none;
  overflow: hidden;
}
.insight-card-media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(5,28,52,0.35) 0%, rgba(5,28,52,0) 35%, rgba(5,28,52,0) 60%, rgba(5,28,52,0.55) 100%);
  transition: opacity 320ms ease;
}
.insight-card:hover .insight-card-media::after { opacity: 0.35; }

/* Book-cover variant — show full portrait artwork, no crop */
.insight-card-media.is-cover-art {
  height: 320px;
  background-size: auto 100%;
  background-position: center;
  background-color: var(--surface, #0e2640);
}
.insight-card-media.is-cover-art::after {
  background: linear-gradient(180deg, rgba(5,28,52,0) 0%, rgba(5,28,52,0) 70%, rgba(5,28,52,0.25) 100%);
}

.insight-card-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 28px 28px 32px;
  flex: 1;
  background: var(--bg-2);
}
.insight-card .top { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; }
.insight-card h4 {
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: -0.015em;
  line-height: 1.15;
  margin: 0;
  font-weight: 500;
}
.insight-card p { color: var(--ink-2); font-size: 14px; line-height: 1.6; margin: 0; }
.insight-card .footer { margin-top: auto; display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--muted); }
.insight-card .read { font-family: var(--font-mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); font-size: 11px; }

/* Download box — for publications CTA */
.download-box {
  display: inline-flex;
  align-items: center;
  gap: 20px;
  padding: 20px 24px 20px 22px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  background: linear-gradient(120deg, color-mix(in oklab, var(--accent) 8%, transparent) 0%, transparent 60%), var(--surface, rgba(255,255,255,0.02));
  text-decoration: none;
  color: var(--ink);
  max-width: 560px;
  transition: border-color 220ms ease, transform 220ms ease, background 220ms ease;
}
.download-box:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.download-box-icon {
  flex: none;
  width: 44px; height: 44px;
  border-radius: 999px;
  border: 1px solid var(--line);
  display: grid; place-items: center;
  color: var(--accent);
  background: rgba(255,255,255,0.02);
}
.download-box:hover .download-box-icon {
  background: var(--accent);
  color: var(--on-accent);
  border-color: var(--accent);
}
.download-box-body {
  display: flex; flex-direction: column; gap: 4px;
  min-width: 0; flex: 1;
}
.download-box-eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}
.download-box-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1.25;
}
.download-box-meta {
  font-size: 12px;
  color: var(--muted);
}
.download-box-cta {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex; align-items: center; gap: 8px;
  padding-left: 16px;
  border-left: 1px solid var(--line);
}
@media (max-width: 640px) {
  .download-box { flex-wrap: wrap; }
  .download-box-cta { border-left: 0; padding-left: 0; }
}

/* ---------- About ---------- */

.section.about-section {
  position: relative;
  overflow: hidden;
}
.section.about-section::before {
  content: "";
  position: absolute;
  top: 10%; right: -10%;
  width: clamp(360px, 36vw, 620px);
  height: clamp(360px, 36vw, 620px);
  background-image: url('assets/bg-9.webp');
  background-size: contain;
  background-repeat: no-repeat;
  opacity: 0.10;
  pointer-events: none;
}
.section.about-section .container { position: relative; z-index: 1; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 56px;
}
@media (min-width: 900px) {
  .about-grid { grid-template-columns: 1fr 1.2fr; gap: 96px; align-items: start; }
}
.about-quote {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-weight: 300;
}
.about-quote strong { font-weight: 700; }
.about-paragraphs p { color: var(--ink-2); margin: 0 0 22px; font-size: 17px; line-height: 1.7; max-width: 56ch; }
.about-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; margin-top: 40px; padding-top: 32px; border-top: 1px solid var(--line); }
.about-stats .v { font-family: var(--font-display); font-size: 44px; letter-spacing: -0.02em; line-height: 1; font-weight: 500; color: var(--ink); }
.about-stats .l { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); margin-top: 10px; }

/* ---------- Engage / CTA ---------- */

.engage {
  background: linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 100%);
  color: var(--ink);
  padding-block: clamp(96px, 11vw, 180px);
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--line);
}
.engage::before {
  content: "";
  position: absolute;
  top: -10%; right: -15%;
  width: clamp(500px, 55vw, 900px);
  height: clamp(500px, 55vw, 900px);
  background-image: url('assets/bg-1.webp');
  background-size: contain;
  background-repeat: no-repeat;
  opacity: 0.18;
  pointer-events: none;
  filter: blur(2px);
}
.engage .container { position: relative; z-index: 1; }
.engage h2 {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 92px);
  letter-spacing: -0.02em;
  line-height: 1;
  margin: 16px 0 36px;
  color: var(--ink);
  font-weight: 300;
  max-width: 18ch;
}
.engage h2 strong { font-weight: 700; }
.engage-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 64px;
  align-items: start;
}
@media (min-width: 900px) {
  .engage-grid { grid-template-columns: 1.4fr 1fr; }
}
.engage-form { display: flex; flex-direction: column; gap: 0; max-width: 640px; }
.engage-input {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  padding: 22px 4px;
  border-bottom: 1px solid var(--line-2);
  align-items: center;
}
.engage-input label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); }
.engage-input input, .engage-input select {
  background: transparent; border: 0; outline: 0;
  color: var(--ink); font-family: var(--font-sans); font-size: 17px;
  width: 100%;
}
.engage-input input::placeholder { color: var(--faint); }
.engage-input select option { color: #051633; background: #fff; }
.engage .btn-primary { align-self: flex-start; margin-top: 28px; }

.engage-contact {
  display: flex; flex-direction: column; gap: 32px;
  font-size: 15px;
  color: var(--ink-2);
  padding-left: clamp(0px, 2vw, 32px);
  border-left: 1px solid var(--line);
}
@media (max-width: 899px) { .engage-contact { border-left: 0; padding-left: 0; } }
.engage-contact .block { display: flex; flex-direction: column; gap: 6px; padding-left: clamp(0px, 2vw, 24px); }
.engage-contact .block .l { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); }
.engage-contact .block .v { color: var(--ink); font-size: 18px; font-weight: 500; }

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

.foot {
  background: var(--bg);
  border-top: 1px solid var(--line);
  padding-block: 64px 32px;
}
.foot-word {
  font-family: var(--font-display);
  font-size: clamp(56px, 11vw, 168px);
  line-height: 0.9;
  letter-spacing: -0.035em;
  color: var(--ink);
  margin: 0 0 72px;
  font-weight: 300;
}
.foot-word strong { font-weight: 700; }
.foot-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  margin-bottom: 64px;
}
@media (min-width: 760px) {
  .foot-grid { grid-template-columns: 1.6fr repeat(3, 1fr); }
}
.foot-col h5 { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); margin: 0 0 18px; font-weight: 500; }
.foot-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; font-size: 14px; color: var(--ink-2); }
.foot-col a { color: var(--ink-2); }
.foot-col a:hover { color: var(--accent); }
.foot-bot {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px;
  padding-top: 24px; border-top: 1px solid var(--line);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted);
}

/* ---------- TCI Culture Wheel / Culturesphere feature ---------- */

.wheel-feature {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(40px, 5vw, 80px);
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--line);
  padding: clamp(32px, 4vw, 64px);
}
@media (min-width: 980px) { .wheel-feature { grid-template-columns: 1fr 1fr; } }

.wheel-feature-art {
  display: grid;
  place-items: center;
  position: relative;
}
.wheel-image {
  width: 100%;
  max-width: 540px;
  height: auto;
  display: block;
  border-radius: 50%;
}

.wheel-feature-body { display: flex; flex-direction: column; gap: 20px; }

.csphere-logo { width: clamp(260px, 30vw, 380px); height: auto; display: block; margin: 0 0 4px; }
.csphere-strap {
  font-family: var(--font-display);
  font-size: clamp(18px, 1.6vw, 22px);
  font-weight: 400;
  color: var(--ink);
  margin: 0;
  letter-spacing: -0.005em;
}
.wheel-desc { font-size: 16px; line-height: 1.65; color: var(--ink-2); margin: 0; max-width: 56ch; }
.wheel-desc strong { color: var(--ink); font-weight: 500; }

.csphere-meta {
  margin: 12px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 12px;
}
.csphere-meta > div { display: grid; grid-template-columns: 90px 1fr; gap: 16px; align-items: baseline; }
.csphere-meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}
.csphere-meta dd { margin: 0; font-size: 14px; color: var(--ink); }
.csphere-cta { margin-top: 12px; }

/* CultureHealth section visual flourish */
.ch-section { position: relative; }
.ch-section::after {
  content: "";
  position: absolute;
  top: 5%; right: -8%;
  width: clamp(320px, 32vw, 560px);
  height: clamp(320px, 32vw, 560px);
  background-image: url('assets/bg-1.webp');
  background-size: contain;
  background-repeat: no-repeat;
  opacity: 0.16;
  pointer-events: none;
  z-index: 0;
}
.ch-hero { position: relative; z-index: 1; }
.ch-logo { width: clamp(260px, 30vw, 420px); }

/* ---------- Practice cards (2x2 grid, varied gradient accents) ---------- */

.practice-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 760px) { .practice-grid { grid-template-columns: 1fr 1fr; gap: 28px; } }

.practice-card {
  position: relative;
  padding: clamp(36px, 3.6vw, 56px);
  border: 1px solid var(--line);
  min-height: 360px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 20px;
  color: var(--ink);
  text-decoration: none;
  background: var(--bg-2);
  transition: transform 280ms ease, border-color 280ms ease;
  isolation: isolate;
}
.practice-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.55;
  z-index: -1;
  transition: opacity 320ms ease, transform 800ms ease;
}
.practice-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.practice-card:hover::before { opacity: 0.75; transform: scale(1.04); }

/* Per-card brand-gradient backgrounds, each using a different bg-png + accent corner */
.practice-card:nth-child(1) {
  background: linear-gradient(135deg, #0a3358 0%, var(--bg-2) 65%);
}
.practice-card:nth-child(1)::before {
  background-image: url('assets/bg-2.webp');
  background-position: center;
  background-size: cover;
  opacity: 0.55;
}
.practice-card:nth-child(2) {
  background: linear-gradient(225deg, #1c1a4a 0%, var(--bg-2) 60%);
}
.practice-card:nth-child(2)::before {
  background-image: url('assets/bg-1.webp');
  background-position: center;
  background-size: cover;
  opacity: 0.55;
}
.practice-card:nth-child(3) {
  background: linear-gradient(135deg, #0e2853 0%, #0a1f43 70%);
}
.practice-card:nth-child(3)::before {
  background-image: url('assets/bg-9.webp');
  background-position: center;
  background-size: cover;
  opacity: 0.55;
}
.practice-card:nth-child(4) {
  background: linear-gradient(225deg, #15214a 0%, var(--bg-2) 60%);
}
.practice-card:nth-child(4)::before {
  background-image: url('assets/bg-6.webp');
  background-position: center;
  background-size: cover;
  opacity: 0.55;
}

.practice-card-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.practice-card-num {
  font-family: var(--font-display);
  font-size: clamp(40px, 4.4vw, 64px);
  font-weight: 200;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--accent);
}
.practice-card-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-2);
  padding: 6px 12px;
  border: 1px solid var(--line-2);
  background: rgba(5,28,52,0.55);
  backdrop-filter: blur(4px);
}
.practice-card-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 2.4vw, 32px);
  font-weight: 500;
  letter-spacing: -0.022em;
  line-height: 1.1;
  margin: 12px 0 0;
  color: var(--ink);
  max-width: 22ch;
}
.practice-card-desc {
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-2);
  margin: 0;
  max-width: 50ch;
}
.practice-card-arrow {
  margin-top: auto;
  width: 44px; height: 44px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  color: var(--ink);
  display: grid; place-items: center;
  align-self: flex-end;
  transition: background 220ms ease, color 220ms ease, border-color 220ms ease, transform 220ms ease;
}
.practice-card:hover .practice-card-arrow {
  background: var(--accent); color: var(--on-accent); border-color: var(--accent);
  transform: rotate(-45deg);
}

/* ---------- Insight cards with varied tonal backgrounds ---------- */

.insight-card:hover h4 { color: var(--accent); }
.insight-card h4 { transition: color 220ms ease; }

/* ---------- Photo strip ---------- */

/* Intro section — photo backdrop on the right, navy bleed on the left */
.intro-section { position: relative; overflow: hidden; }
.intro-photo {
  position: absolute;
  inset: 0 0 0 40%;
  background-image: url('assets/photos/audience-rob.webp');
  background-size: cover;
  background-position: center;
  z-index: 0;
  filter: saturate(0.92) brightness(0.85);
}
.intro-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(95deg, var(--bg) 0%, var(--bg) 35%, rgba(5,28,52,0.7) 55%, rgba(5,28,52,0.35) 100%);
  z-index: 1;
}
.intro-section .container { position: relative; z-index: 2; }

.photo-strip {
  border-block: 1px solid var(--line);
  background: var(--bg);
  padding: 0;
}
.photo-strip-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
}
@media (min-width: 760px) { .photo-strip-row { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; } }
.photo-strip-cell {
  margin: 0;
  background: var(--bg);
  height: clamp(220px, 30vw, 360px);
  overflow: hidden;
  position: relative;
}
.photo-strip-cell img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.92) contrast(1.02);
  transition: transform 600ms ease, filter 400ms ease;
}
.photo-strip-cell:hover img { transform: scale(1.04); filter: saturate(1.1) contrast(1.05); }

/* ---------- Photo break ---------- */

.photo-break {
  position: relative;
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  overflow: hidden;
  border-block: 0;
  margin: 0;
}
.photo-break-tall { min-height: 70vh; padding-block: clamp(96px, 12vw, 180px); }
.photo-break-short { min-height: 48vh; padding-block: clamp(72px, 9vw, 140px); }
.photo-break-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(5,28,52,0.92) 0%, rgba(5,28,52,0.55) 55%, rgba(5,28,52,0.30) 100%);
  z-index: 1;
}
.photo-break.align-right .photo-break-overlay {
  background: linear-gradient(-120deg, rgba(5,28,52,0.92) 0%, rgba(5,28,52,0.55) 55%, rgba(5,28,52,0.30) 100%);
}
.photo-break .container { position: relative; z-index: 2; }
.photo-break .container { position: relative; z-index: 2; max-width: var(--max); margin: 0 auto; padding-inline: var(--gutter); display: flex; flex-direction: column; }
.photo-break.align-right .container { text-align: right; align-items: flex-end; }
.photo-break.align-right .photo-break-logo { margin-left: auto; }
.photo-break-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-block;
  margin-bottom: 28px;
}
.photo-break-quote { margin: 0; max-width: 38ch; }
.photo-break.align-right .photo-break-quote { max-width: 36ch; margin-left: auto; }
.photo-break-logo {
  display: block;
  width: clamp(280px, 38vw, 540px);
  height: auto;
  margin-bottom: 32px;
}
.photo-break-logo-corner {
  position: absolute;
  top: clamp(24px, 3vw, 40px);
  right: clamp(32px, 4vw, 64px);
  width: clamp(280px, 38vw, 540px);
  height: auto;
  z-index: 3;
}
.photo-break-quote p {
  font-family: var(--font-display);
  font-size: clamp(28px, 4.5vw, 58px);
  font-weight: 300;
  letter-spacing: -0.024em;
  line-height: 1.06;
  color: var(--ink);
  margin: 0 0 28px;
  text-shadow: 0 2px 24px rgba(0,0,0,0.4);
}
.photo-break-quote p strong { font-weight: 500; color: var(--accent); }
.photo-break-cta {
  display: inline-flex;
  align-self: flex-start;
  align-items: center;
  gap: 14px;
  margin-top: 8px;
  padding: 14px 22px 14px 24px;
  border: 1px solid var(--accent);
  background: rgba(16, 238, 236, 0.08);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: background 220ms ease, color 220ms ease, transform 220ms ease, border-color 220ms ease;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.photo-break-cta:hover {
  background: var(--accent);
  color: var(--on-accent);
  border-color: var(--accent);
  transform: translateY(-2px);
}
.photo-break.align-right .photo-break-cta { align-self: flex-end; }

.photo-break-quote cite {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-2);
  display: inline-block;
  padding-top: 16px;
  border-top: 1px solid var(--line-2);
}

/* Dashboard variant — lighter overlay so the platform shows through */
.photo-break.variant-dashboard {
  background-size: 56% auto;
  background-position: right 5% bottom 8%;
  background-repeat: no-repeat;
  background-color: var(--bg);
  padding-top: clamp(72px, 8vw, 120px);
}
@media (max-width: 880px) {
  .photo-break.variant-dashboard {
    background-size: 110% auto;
    background-position: right -15% bottom -5%;
  }
}
.photo-break.variant-dashboard .photo-break-overlay {
  background: linear-gradient(95deg, var(--bg) 0%, var(--bg) 30%, rgba(5,28,52,0.85) 45%, rgba(5,28,52,0.20) 70%, transparent 100%);
}

/* ---------- Built to Burn book feature ---------- */

.book-feature {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(40px, 5vw, 64px);
  align-items: start;
  padding-block: clamp(56px, 6vw, 96px);
}
@media (min-width: 760px) { .book-feature { grid-template-columns: 240px 1fr; gap: 72px; align-items: start; } }

/* ---------- Built to Burn book mock — Option 1 (tilted, paper edges) ---------- */

.book-mock {
  position: relative;
  width: 100%;
  max-width: 200px;
  aspect-ratio: 2 / 3;
  transform: perspective(1600px) rotateY(-12deg) rotate(-2deg);
  transform-style: preserve-3d;
  filter:
    drop-shadow(0 30px 40px rgba(5,28,52,0.30))
    drop-shadow(0 10px 16px rgba(5,28,52,0.18));
  justify-self: center;
  margin: 56px 0 80px 24px;
}
.book-mock-cover {
  position: relative;
  width: 100%;
  height: 100%;
  background: #fff;
  border-radius: 2px 4px 4px 2px;
  overflow: hidden;
  z-index: 3;
  box-shadow:
    inset -8px 0 12px rgba(0,0,0,0.06),
    inset 4px 0 6px rgba(0,0,0,0.05);
}
.book-mock-cover img { width: 100%; height: 100%; object-fit: contain; background: #fff; display: block; }
/* page edges — right side, sits behind cover with slight Y-rotation */
.book-mock-pages {
  position: absolute;
  top: 0; bottom: 0;
  right: 0;
  width: 18px;
  background:
    linear-gradient(90deg, #d8d4c5 0%, #f5f3ed 30%, #f8f6f0 70%, #e8e4d8 100%),
    repeating-linear-gradient(to bottom, transparent 0, transparent 1px, rgba(5,28,52,0.04) 1.5px, transparent 2px);
  background-blend-mode: multiply;
  transform: rotateY(90deg) translateX(50%);
  transform-origin: right center;
  z-index: 2;
  box-shadow:
    inset 0 6px 8px rgba(5,28,52,0.10),
    inset 0 -6px 8px rgba(5,28,52,0.14);
}
/* back board — visible only as a sliver of darkness on the left edge */
.book-mock-back {
  position: absolute;
  top: 0; bottom: 0;
  left: 0;
  width: 18px;
  background: linear-gradient(180deg, #1a1a1a, #2a2a2a 50%, #1a1a1a);
  transform: rotateY(90deg) translateX(-50%);
  transform-origin: left center;
  z-index: 1;
}

.book-feature-body { display: flex; flex-direction: column; gap: 16px; }
.book-feature-body p { font-size: 16px; line-height: 1.7; color: var(--ink-2); margin: 0; max-width: 56ch; }
.book-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 8px;
}
@media (min-width: 760px) { .book-columns { grid-template-columns: 1fr 1fr; gap: 40px; } }
.book-columns p { font-size: 15px; line-height: 1.65; margin: 0 0 14px; max-width: none; }
.book-columns p:last-child { margin-bottom: 0; }
.book-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}
.book-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 4.6vw, 56px);
  font-weight: 300;
  letter-spacing: -0.025em;
  line-height: 1;
  margin: 4px 0 0;
  color: var(--ink);
}
.book-strap {
  font-family: var(--font-display);
  font-size: clamp(18px, 1.7vw, 22px);
  font-weight: 400;
  letter-spacing: -0.005em;
  line-height: 1.3;
  color: var(--ink);
  margin: 4px 0 12px;
  max-width: 36ch;
}
.section.tone-light .book-feature-body p,
.section.tone-light .book-feature-body .book-body { color: var(--ink-on-light); }
.section.tone-light .book-feature-body .book-strap { color: var(--ink-on-light); }
.section.tone-light .book-feature-body .book-eyebrow { color: var(--ink-on-light); }
.section.tone-light .book-feature-body .book-meta { color: rgba(5,28,52,0.55); }
.section.tone-light .book-title { color: var(--ink-on-light); }
.book-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 12px;
}

/* ---------- Scroll-reveal ---------- */

.fade-in { opacity: 0; transform: translateY(16px); transition: opacity 700ms ease, transform 700ms ease; }
.fade-in.in { opacity: 1; transform: none; }

.page-hero {
  position: relative;
  padding-block: clamp(140px, 16vw, 260px) clamp(80px, 9vw, 144px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  min-height: 60vh;
}
.page-hero .container { position: relative; z-index: 3; max-width: 1100px; }

/* Default gradient background — large brand sphere */
.page-hero-gradient {
  position: absolute;
  top: 0; right: -12%;
  width: clamp(700px, 70vw, 1200px);
  height: clamp(700px, 70vw, 1200px);
  background-image: url('assets/bg-2.webp');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  opacity: 0.78;
  filter: saturate(0.95);
  z-index: 1;
  transform: rotate(90deg);
}
.page-hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(95deg, var(--bg) 0%, rgba(5,28,52,0.55) 18%, transparent 45%),
    linear-gradient(180deg, transparent 0%, transparent 50%, rgba(5,28,52,0.7) 85%, var(--bg) 100%);
  z-index: 2;
}

.page-hero.variant-warm .page-hero-gradient {
  background-image: url('assets/bg-1.webp');
  top: -10%; right: -20%;
  width: clamp(700px, 80vw, 1300px);
  height: clamp(700px, 80vw, 1300px);
}
.page-hero.variant-prism .page-hero-gradient {
  background-image: url('assets/bg-9.webp');
  top: 5%; right: -15%;
  opacity: 0.62;
}
.page-hero.variant-stage .page-hero-gradient {
  background-image: url('assets/bg-6.webp');
  top: -5%; right: -10%;
}
.page-hero.variant-cyan .page-hero-gradient {
  background-image: url('assets/bg-4-cyan.webp');
  top: -10%; right: -15%;
  opacity: 0.88;
}
.page-hero.variant-asterisk .page-hero-gradient {
  background-image: url('assets/bg-9-asterisk.webp');
  top: -8%; right: -12%;
  opacity: 0.92;
}
.page-hero.variant-violet .page-hero-gradient {
  background-image: url('assets/bg-8-tilted.webp');
  top: -10%; right: -15%;
  opacity: 0.88;
}

.page-hero-art {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center 20%;
  z-index: 1;
  filter: saturate(0.92);
}
.page-hero.has-art .page-hero-overlay {
  background: linear-gradient(95deg, var(--bg) 0%, rgba(5,28,52,0.75) 30%, rgba(5,28,52,0.50) 70%, rgba(5,28,52,0.85) 100%);
}

.page-hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}
.page-hero-eyebrow::before {
  content: "";
  width: 24px; height: 1px;
  background: var(--accent);
}
.page-hero-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 4.6vw, 60px);
  font-weight: 300;
  letter-spacing: -0.024em;
  line-height: 1.06;
  color: var(--ink);
  margin: 0;
  max-width: 22ch;
}
.page-hero-title strong { font-weight: 500; color: var(--accent); }
.page-hero-kicker {
  margin: 28px 0 0;
  font-size: clamp(16px, 1.3vw, 19px);
  line-height: 1.6;
  color: var(--ink-2);
  max-width: 60ch;
}

/* Section with aside (visual side panel) */
.section-body-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(40px, 5vw, 80px);
  align-items: start;
}
@media (min-width: 920px) { .section-body-split { grid-template-columns: 1.2fr 1fr; } }
.section-body-main { min-width: 0; }
.section-body-aside { position: relative; }

/* Section tone variants — alternating depth so pages aren't single-colour */
.section.tone-darker { background: var(--bg); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section.tone-tint   { background: var(--bg); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

/* WHITE PANEL — deep contrast inversion, clean & uniform.
   Rule: navy ink only; accents are navy too. No lilac/light purple on white. */
.section.tone-light {
  background: #ffffff;
  color: var(--ink-on-light);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  position: relative;
}
.section.tone-light::before { content: none; }
.section.tone-light .container { position: relative; z-index: 1; }
.section.tone-light .section-title,
.section.tone-light .display { color: var(--ink-on-light); }
.section.tone-light .section-title strong { color: var(--ink-on-light); font-weight: 600; }
.section.tone-light .section-kicker { color: rgba(5,28,52,0.72); }
.section.tone-light .section-num { color: var(--ink-on-light); }
.section.tone-light .section-num::before { background: var(--ink-on-light); }

.section.tone-light .kv-list { background: transparent; border-top-color: var(--ink-on-light); }
.section.tone-light .kv-list > div { border-bottom-color: rgba(5,28,52,0.10); }
.section.tone-light .kv-list > div:hover { background: rgba(5,28,52,0.03); }
.section.tone-light .kv-list dt { color: var(--ink-on-light); }
.section.tone-light .kv-list dd { color: var(--ink-on-light); }
.section.tone-light .kv-list dd p { color: rgba(5,28,52,0.72); }

.section.tone-light .prose p { color: var(--ink-on-light); }
.section.tone-light .prose p.lead { color: var(--ink-on-light); }
.section.tone-light .prose p strong { color: var(--ink-on-light); font-weight: 600; }

/* aside cards stay deep navy for tight contrast pocket */
.section.tone-light .aside-stat,
.section.tone-light .aside-quote {
  background: #051c34;
  border: 0;
  color: var(--ink);
  box-shadow: 0 24px 60px -20px rgba(5,28,52,0.25);
}
.section.tone-light .aside-stat::before,
.section.tone-light .aside-quote::before { display: none; }
.section.tone-light .aside-stat-value { color: #10eeec; }
.section.tone-light .aside-quote-text { color: var(--ink); }

/* WARM / VIOLET / dark variants — keep deep navy, just add brand-art */
.section.tone-warm   {
  background: var(--bg);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  position: relative; overflow: hidden;
}
.section.tone-warm::before {
  content: "";
  position: absolute;
  inset: -10% -15% auto auto;
  width: 55%; height: 130%;
  background-image: url('assets/bg-4-rainbow.webp');
  background-size: contain; background-repeat: no-repeat; background-position: center right;
  opacity: 0.85;
  pointer-events: none;
  z-index: 0;
}
.section.tone-warm .container { position: relative; z-index: 1; }

.section.tone-violet {
  background: var(--bg);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  position: relative; overflow: hidden;
}
.section.tone-violet::before {
  content: "";
  position: absolute;
  inset: auto auto -25% -15%;
  width: 55%; height: 130%;
  background-image: url('assets/bg-8-tilted.webp');
  background-size: contain; background-repeat: no-repeat;
  opacity: 0.88;
  pointer-events: none;
  z-index: 0;
}
.section.tone-violet .container { position: relative; z-index: 1; }

/* Cyan-leaning dark section variant */
.section.tone-cyan {
  background: var(--bg);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  position: relative; overflow: hidden;
}
.section.tone-cyan::before {
  content: "";
  position: absolute;
  inset: -15% -10% auto auto;
  width: 50%; height: 130%;
  background-image: url('assets/bg-4-cyan.webp');
  background-size: contain; background-repeat: no-repeat;
  opacity: 0.85;
  pointer-events: none;
  z-index: 0;
}
.section.tone-cyan .container { position: relative; z-index: 1; }

/* Prism — rainbow disc, off-centre */
.section.tone-prism {
  background: var(--bg);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  position: relative; overflow: hidden;
}
.section.tone-prism::before {
  content: "";
  position: absolute;
  inset: -10% auto auto -10%;
  width: 45%; height: 130%;
  background-image: url('assets/bg-3-pill.webp');
  background-size: contain; background-repeat: no-repeat;
  opacity: 0.78;
  pointer-events: none;
  z-index: 0;
}
.section.tone-prism .container { position: relative; z-index: 1; }

/* ---------- Page CTA card ---------- */

.page-cta { padding-block: clamp(56px, 6vw, 112px); }
.page-cta-card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  padding: clamp(36px, 4vw, 64px);
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-start;
  position: relative;
  overflow: hidden;
}
.page-cta-card::before {
  content: "";
  position: absolute;
  inset: -30% -10% auto auto;
  width: 60%;
  height: 140%;
  background-image: url('assets/bg-9.webp');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center right;
  opacity: 0.14;
  pointer-events: none;
}
.page-cta-card > * { position: relative; z-index: 1; }
.page-cta-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.2vw, 44px);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0;
  max-width: 22ch;
  color: var(--ink);
}
.page-cta-body { font-size: 16px; line-height: 1.6; color: var(--ink-2); margin: 0; max-width: 56ch; }

/* ---------- Hero kicker (replaces hairlines) ---------- */

.hero-kicker {
  display: flex; align-items: center; gap: 14px;
  margin: 0 0 36px;
  font-size: 13px;
  color: var(--muted);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  flex-wrap: wrap;
}
.hero-kicker-tag {
  display: inline-flex; align-items: center;
  padding: 5px 12px;
  background: var(--accent);
  color: var(--on-accent);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 500;
}
.hero h1 {
  margin: 0 0 32px;
  font-size: clamp(36px, 4.6vw, 64px);
  font-weight: 300;
  letter-spacing: -0.024em;
  line-height: 1.05;
  max-width: 22ch;
}
.hero h1 em { font-style: normal; color: var(--accent); font-weight: 500; }
.hero-sub {
  margin: 0 0 36px;
  font-size: clamp(17px, 1.4vw, 19px);
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 52ch;
}

/* ---------- Client strip ---------- */

.client-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding-block: 32px;
}
.client-strip-inner {
  display: flex; align-items: center; gap: 40px; flex-wrap: wrap;
}
.client-strip-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  flex: none;
}
.client-strip-logos {
  display: flex; flex-wrap: wrap; gap: clamp(20px, 3vw, 44px);
  align-items: center;
  flex: 1;
}
.client-strip-logo {
  position: relative;
  width: clamp(96px, 11vw, 140px);
  height: 56px;
  display: grid;
  place-items: center;
  transition: opacity 220ms ease;
  opacity: 0.55;
}
.client-strip-logo:hover { opacity: 1; }
.client-strip-logo image-slot {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
}
.client-strip-logo image-slot::part(img) {
  object-fit: contain;
  filter: brightness(0) invert(1);
}
.client-strip-fallback {
  font-family: var(--font-display);
  font-size: clamp(14px, 1.2vw, 17px);
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.005em;
  z-index: 1;
  text-align: center;
}
.client-strip-logo:has(image-slot[data-filled="true"]) .client-strip-fallback { display: none; }

/* ---------- Karl Expert ---------- */

.karl { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); position: relative; overflow: hidden; }
.karl::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('assets/photos/karl-walking.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.45;
  z-index: 0;
  filter: saturate(0.92);
  transform: scaleX(-1);
}
.karl::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,39,71,0.4) 0%, rgba(10,39,71,0.85) 100%);
  z-index: 0;
}
.karl .container { position: relative; z-index: 1; }
.karl-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(40px, 5vw, 80px);
  align-items: center;
}
@media (min-width: 900px) { .karl-grid { grid-template-columns: 240px 1.6fr; } }
.karl-portrait {
  aspect-ratio: 4 / 5;
  max-width: 240px;
  background: var(--bg-3);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.karl-portrait-img { width: 100%; height: 100%; object-fit: cover; object-position: center top; display: block; }
.karl-body { display: flex; flex-direction: column; gap: 20px; }
.karl-body .section-title { margin-top: 16px; }
.karl-credentials {
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.6;
  margin: 0;
  padding: 16px 0;
  border-block: 1px solid var(--line);
}
.karl-credentials em { color: var(--accent); font-style: italic; }
.karl-bio {
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-2);
  margin: 0;
  max-width: 60ch;
}
.karl-cta { margin-top: 12px; }

/* ---------- Case studies ---------- */

.cases-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
@media (min-width: 900px) { .cases-grid { grid-template-columns: repeat(3, 1fr); } }
.case-card {
  background: var(--bg);
  padding: clamp(32px, 3vw, 48px);
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-height: 460px;
  transition: background 200ms ease;
}
.case-card:hover { background: var(--surface); }
.case-metric { display: flex; flex-direction: column; gap: 6px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.case-metric-value {
  font-family: var(--font-display);
  font-size: clamp(56px, 6vw, 88px);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--accent);
}
.case-metric-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.case-sector {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.case-title {
  font-family: var(--font-display);
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--ink);
}
.case-desc { font-size: 14.5px; line-height: 1.6; color: var(--ink-2); margin: 0; }
.case-card .btn-link { margin-top: auto; }

/* ---------- Publications ---------- */

.pubs-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 3vw, 48px);
}
@media (min-width: 760px) { .pubs-grid { grid-template-columns: repeat(3, 1fr); } }

.pub-card {
  display: flex; flex-direction: column; gap: 22px;
}
.pub-cover {
  aspect-ratio: 3 / 4;
  background: var(--bg-2);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
  box-shadow:
    0 1px 0 rgba(255,255,255,0.06) inset,
    20px 24px 60px -20px rgba(0,0,0,0.6),
    -1px 0 0 rgba(0,0,0,0.4) inset;
  transition: transform 320ms ease, box-shadow 320ms ease;
}
.pub-card:hover .pub-cover {
  transform: translateY(-4px);
  box-shadow:
    0 1px 0 rgba(255,255,255,0.1) inset,
    24px 32px 80px -20px rgba(0,0,0,0.7),
    -1px 0 0 rgba(0,0,0,0.4) inset;
}

/* spine accent on left edge */
.pub-cover::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 6px;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-2) 100%);
  z-index: 3;
}

/* user-droppable photo slot fills the cover */
.pub-cover image-slot {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  opacity: 0;
  transition: opacity 200ms ease;
}
.pub-cover image-slot[data-filled="true"] { opacity: 1; }

/* dark gradient overlay so title is legible over any photo */
.pub-cover-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(5,28,52,0.3) 0%, rgba(5,28,52,0.15) 40%, rgba(5,28,52,0.85) 100%);
  z-index: 2;
}

.pub-cover-content {
  position: absolute;
  inset: 0;
  z-index: 3;
  padding: 24px 24px 28px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: var(--ink);
}
.pub-cover-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}
.pub-cover-mark {
  height: 22px;
  width: auto;
  opacity: 0.92;
}
.pub-cover-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink);
  padding: 5px 10px;
  border: 1px solid rgba(255,255,255,0.4);
  background: rgba(5,28,52,0.45);
  backdrop-filter: blur(6px);
}
.pub-cover-title-block {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.pub-cover-title {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 32px);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0;
  color: var(--ink);
  text-shadow: 0 1px 12px rgba(0,0,0,0.4);
  max-width: 14ch;
}
.pub-cover-edition {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(244,246,250,0.75);
  padding-top: 10px;
  border-top: 1px solid rgba(255,255,255,0.25);
}

.pub-body { display: flex; flex-direction: column; gap: 12px; }
.pub-desc { font-size: 14.5px; line-height: 1.6; color: var(--ink-2); margin: 0; }

/* ---------- Sample CultureHealth report ---------- */

.sample-section { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.ch-sample {
  background: var(--bg);
  border: 1px solid var(--line);
  padding: clamp(28px, 3vw, 48px);
  display: flex; flex-direction: column; gap: 28px;
}
.ch-sample-head {
  display: flex; justify-content: space-between; align-items: end; gap: 32px;
  padding-bottom: 24px; border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}
.ch-sample-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.ch-sample-title {
  font-family: var(--font-display);
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 500;
  letter-spacing: -0.015em;
  margin: 8px 0 0;
}
.ch-sample-overall { text-align: right; display: flex; flex-direction: column; gap: 4px; }
.ch-sample-overall-label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); }
.ch-sample-overall-value {
  font-family: var(--font-display);
  font-size: clamp(48px, 5vw, 64px);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--accent);
}
.ch-sample-overall-value .of { font-size: 0.4em; color: var(--muted); margin-left: 2px; }

.ch-sample-rows { display: flex; flex-direction: column; gap: 18px; }
.ch-sample-row {
  display: grid;
  grid-template-columns: 130px 1fr 50px 90px;
  gap: 20px;
  align-items: center;
}
@media (max-width: 640px) { .ch-sample-row { grid-template-columns: 110px 1fr 40px; row-gap: 8px; } .ch-sample-band { grid-column: 1 / -1; } }
.ch-sample-row-label {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 500;
  color: var(--ink);
}
.ch-sample-bar {
  height: 10px;
  background: var(--line);
  position: relative;
  overflow: hidden;
}
.ch-sample-fill {
  position: absolute; inset: 0 auto 0 0;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-soft) 100%);
}
.ch-sample-score {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ink);
  text-align: right;
  font-weight: 500;
}
.ch-sample-band {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-align: center;
  padding: 5px 10px;
  border: 1px solid var(--line-2);
}
.ch-sample-band.band-healthy { color: var(--accent); border-color: color-mix(in oklab, var(--accent) 50%, transparent); }
.ch-sample-band.band-watch { color: #ffb155; border-color: color-mix(in oklab, #ffb155 50%, transparent); }
.ch-sample-band.band-low { color: var(--muted); border-color: var(--line-2); }
.ch-sample-foot { font-size: 13px; color: var(--muted); line-height: 1.55; margin: 0; max-width: 64ch; }
