/* ===========================================================
   EverLead IQ — Design system
   Restrained, considered, no luxury-template tropes.
   =========================================================== */

:root {
  /* Warm white system — layered, not stark */
  --paper: #fcfaf5;
  --bg: #fcfaf5;            /* alias */
  --bg-soft: #f5f1e7;        /* alias */
  --paper-2: #f5f1e7;
  --paper-3: #ece6d6;

  --ink: #14140f;
  --ink-2: #2a2823;
  --ink-mute: #54524b;     /* WCAG AAA on paper (7.5:1) */
  --ink-quiet: #5c5950;    /* WCAG AA on paper (6.71:1), darkened 2026-06-11 from #8a8780 for accessibility */
  --ink-faint: #b5b1a8;    /* UI-only: borders, dividers. Not for text */

  --rule: #e0dccf;
  --rule-strong: #c5bfae;

  /* Dark system — brand purple, real depth */
  --night: #381f59;
  --night-2: #43275f;
  --night-3: #4d2e6a;
  --night-rule: #5a3c75;
  --night-rule-strong: #7556a0;
  --on-night: #f0ebdc;
  --on-night-mute: #c9bdd9;
  --on-night-quiet: #8e7ba7;

  /* Accent — brand purple for light bg, brand cyan for dark bg */
  --accent: #381f59;
  --accent-on-dark: #00a1ff;
  --brand-green: #00ff8f;
  --brand-cyan: #00a1ff;
  --brand-purple: #381f59;

  /* Type */
  --serif: 'Newsreader', 'Source Serif Pro', 'Charter', Georgia, serif;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;

  --col-max: 1280px;
  --col-mid: 980px;
  --col-read: 720px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; font-feature-settings: 'kern' 1, 'liga' 1; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  font-feature-settings: 'kern' 1, 'liga' 1, 'ss01' 1;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
::selection { background: var(--ink); color: var(--paper); }

.wrap { max-width: var(--col-max); margin: 0 auto; padding: 0 56px; }
.wrap-mid { max-width: var(--col-mid); margin: 0 auto; padding: 0 56px; }
.wrap-read { max-width: var(--col-read); margin: 0 auto; padding: 0 56px; }
@media (max-width: 720px) {
  .wrap, .wrap-mid, .wrap-read { padding: 0 24px; }
}

/* ─────────────── Type ─────────────── */
.serif { font-family: var(--serif); }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.01em;
  font-feature-settings: 'kern' 1, 'liga' 1, 'ss01' 1;
}
h1 {
  font-size: clamp(42px, 6vw, 88px);
  line-height: 1.02;
  letter-spacing: -0.024em;
  font-variation-settings: 'opsz' 88;
}
h2 {
  font-size: clamp(36px, 5vw, 68px);
  line-height: 1.03;
  letter-spacing: -0.02em;
  font-variation-settings: 'opsz' 56;
}
h3 {
  font-size: clamp(22px, 2.4vw, 28px);
  line-height: 1.18;
  letter-spacing: -0.006em;
  font-variation-settings: 'opsz' 24;
}
h4 { font-size: 18px; line-height: 1.3; }
p { line-height: 1.65; }

.lede {
  font-family: var(--serif);
  font-size: clamp(20px, 2.2vw, 27px);
  line-height: 1.4;
  color: var(--ink);
  font-weight: 400;
  letter-spacing: -0.008em;
}
.mute { color: var(--ink-mute); }
.quiet { color: var(--ink-quiet); }

/* Sans micro-type */
.eyebrow {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.label {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-quiet);
}
.meta {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink-mute);
  letter-spacing: 0.01em;
}

/* ─────────────── Numbering as design element ─────────────── */
.chap {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(64px, 8vw, 112px);
  line-height: 0.9;
  color: var(--ink);
  letter-spacing: -0.04em;
  font-variation-settings: 'opsz' 96;
  display: block;
}
.chap-sub {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-quiet);
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--rule);
  display: block;
}

/* Small numeric flag, e.g. "01 — Why we exist" */
.sec-num {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-quiet);
  display: inline-block;
  margin-bottom: 18px;
}

/* ─────────────── Layout ─────────────── */
section { padding: 130px 0; }
@media (max-width: 720px) { section { padding: 80px 0; } }
.section-sep { border-top: 1px solid var(--rule); }
.bg-soft { background: var(--paper-2); }
.bg-panel { background: var(--paper-3); }

.bg-dark {
  background: var(--night);
  color: var(--on-night);
}
.bg-dark .mute,
.bg-dark .lede.mute { color: var(--on-night-mute); }
.bg-dark .lede { color: var(--on-night); }
.bg-dark .quote { color: var(--on-night); }
.bg-dark .pull { color: var(--on-night); border-left-color: var(--accent-on-dark); }
.bg-dark .quiet { color: var(--on-night-quiet); }
.bg-dark .label { color: var(--on-night-quiet); }
.bg-dark .eyebrow { color: var(--on-night-mute); }
.bg-dark .sec-num { color: var(--on-night-quiet); }
.bg-dark .chap { color: var(--on-night); }
.bg-dark .chap-sub { color: var(--on-night-quiet); border-color: var(--night-rule); }
.bg-dark .section-sep { border-top-color: var(--night-rule); }

/* ─────────────── Buttons ─────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: var(--ink);
  color: var(--paper);
  padding: 18px 32px;
  border: 1px solid var(--ink);
  font-family: var(--sans);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}
.btn .arr {
  display: inline-block;
  transition: transform 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.btn:hover { background: var(--accent); border-color: var(--accent); }
.btn:hover .arr { transform: translateX(5px); }

.btn-light {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-light:hover {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.bg-dark .btn { background: var(--on-night); color: var(--night); border-color: var(--on-night); }
.bg-dark .btn:hover { background: var(--accent-on-dark); color: var(--paper); border-color: var(--accent-on-dark); }
.bg-dark .btn-light {
  background: transparent;
  color: var(--on-night);
  border-color: var(--night-rule-strong);
}
.bg-dark .btn-light:hover { background: var(--on-night); color: var(--night); border-color: var(--on-night); }

/* ─────────────── Links (animated underline) ─────────────── */
.link {
  color: var(--ink);
  text-decoration: none;
  position: relative;
  display: inline-block;
  padding-bottom: 2px;
  background-image: linear-gradient(currentColor, currentColor);
  background-position: 0 100%;
  background-repeat: no-repeat;
  background-size: 100% 1px;
  transition: color 0.3s ease;
}
.link:hover { color: var(--accent); }
.bg-dark .link { color: var(--on-night); }
.bg-dark .link:hover { color: var(--accent-on-dark); }

/* Inline text link with subtle hover underline */
.tlink {
  color: inherit;
  text-decoration: none;
  background-image: linear-gradient(currentColor, currentColor);
  background-position: 0 calc(100% - 1px);
  background-repeat: no-repeat;
  background-size: 0% 1px;
  transition: background-size 0.4s cubic-bezier(0.22, 0.61, 0.36, 1), color 0.3s ease;
}
.tlink:hover {
  background-size: 100% 1px;
  color: var(--accent);
}
.bg-dark .tlink:hover { color: var(--accent-on-dark); }

/* ─────────────── Nav (masthead) ─────────────── */
.nav {
  position: sticky;
  top: 0;
  background: var(--night-3);
  border-bottom: 1px solid var(--night-rule-strong);
  z-index: 50;
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  background-color: rgba(86, 58, 119, 0.92);
}
.nav-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
  gap: 32px;
}
.brand {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--on-night);
  text-decoration: none;
  font-variation-settings: 'opsz' 24;
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
}
.brand b {
  font-weight: 500;
  font-style: italic;
  font-feature-settings: 'kern' 1;
}
.brand::after {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  background: var(--on-night);
  margin-left: 6px;
  transform: translateY(-1px);
}

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}
.nav-links a {
  font-family: var(--sans);
  font-size: 13.5px;
  color: var(--on-night-mute);
  text-decoration: none;
  letter-spacing: 0.01em;
  position: relative;
  padding: 6px 0;
  transition: color 0.2s ease;
}
.nav-links a:hover { color: var(--on-night); }
.nav-links a.active { color: var(--on-night); }
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--on-night);
}
.nav-cta {
  background: var(--on-night);
  color: var(--night) !important;
  padding: 10px 20px !important;
  font-weight: 500;
  font-size: 13px;
  transition: background 0.3s ease, color 0.3s ease;
}
.nav-cta:hover { background: var(--accent-on-dark); color: var(--on-night) !important; }
.nav-cta.active::after { display: none; }

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  padding: 8px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--on-night);
  margin: 5px 0;
}

@media (max-width: 980px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--night);
    border-bottom: 1px solid var(--night-rule);
    padding: 24px 56px 32px;
    gap: 18px;
    align-items: flex-start;
  }
}

/* Dark nav */
.nav.dark {
  background: var(--night);
  background-color: rgba(20, 20, 15, 0.92);
  border-bottom-color: var(--night-rule);
}
.nav.dark .brand { color: var(--on-night); }
.nav.dark .brand::after { background: var(--on-night); }
.nav.dark .nav-links a { color: var(--on-night-mute); }
.nav.dark .nav-links a:hover,
.nav.dark .nav-links a.active { color: var(--on-night); }
.nav.dark .nav-links a.active::after { background: var(--on-night); }
.nav.dark .nav-toggle span { background: var(--on-night); }
.nav.dark .nav-cta { background: var(--on-night); color: var(--ink) !important; }
.nav.dark .nav-cta:hover { background: var(--accent); color: var(--paper) !important; }

/* ─────────────── Hero ─────────────── */
.hero {
  padding: 100px 0 80px;
  position: relative;
}
.breadcrumb {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink-quiet);
  margin-bottom: 56px;
  letter-spacing: 0.01em;
}
.breadcrumb a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.breadcrumb a:hover { color: var(--ink); border-bottom-color: var(--ink); }
.breadcrumb .sep { margin: 0 12px; opacity: 0.5; }
.hero .eyebrow { display: block; margin-bottom: 28px; }
.hero h1 { max-width: 20ch; margin-bottom: 28px; }
.hero .hero-qualifier {
  font-family: var(--serif);
  font-style: italic;
  font-size: 20px;
  line-height: 1.5;
  color: var(--ink);
  max-width: 78ch;
  margin: 0 0 32px;
}
.hero .lede { max-width: 56ch; color: var(--ink-mute); margin-bottom: 48px; }
.hero .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero.dark { background: var(--night); color: var(--on-night); }
.hero.dark .lede { color: var(--on-night-mute); }
.hero.dark .breadcrumb { color: var(--on-night-quiet); }
.hero.dark .breadcrumb a:hover { color: var(--on-night); border-bottom-color: var(--on-night); }
.hero.dark .eyebrow { color: var(--on-night-mute); }

/* Hero with chapter / index marker (refined) */
.hero-index {
  display: flex;
  align-items: baseline;
  gap: 24px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 64px;
}
.hero-index .h-i-num {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--ink);
  letter-spacing: -0.01em;
  font-variation-settings: 'opsz' 24;
}
.hero-index .h-i-label {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 500;
}
.hero-index .h-i-date {
  margin-left: auto;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-quiet);
  text-transform: uppercase;
}
.hero.dark .hero-index { border-bottom-color: var(--night-rule); }
.hero.dark .hero-index .h-i-num { color: var(--on-night); }
.hero.dark .hero-index .h-i-label { color: var(--on-night-mute); }
.hero.dark .hero-index .h-i-date { color: var(--on-night-quiet); }

/* ─────────────── Section heads ─────────────── */
.section-head { margin-bottom: 72px; }
.section-head .sec-num { margin-bottom: 20px; }
.section-head h2 { max-width: 22ch; }
.section-head .intro {
  margin-top: 24px;
  max-width: 60ch;
  color: var(--ink-mute);
  font-size: 17px;
  line-height: 1.65;
}

/* Splits */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.split-1-2 { display: grid; grid-template-columns: 1fr 1.4fr; gap: 96px; align-items: start; }
.split-2-1 { display: grid; grid-template-columns: 1.4fr 1fr; gap: 96px; align-items: start; }
@media (max-width: 920px) {
  .split, .split-1-2, .split-2-1 { grid-template-columns: 1fr; gap: 48px; }
}

/* ─────────────── Cards with big numbers (marginalia) ─────────────── */
.card-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.card-row.cols-2 { grid-template-columns: repeat(2, 1fr); }
.card-row.cols-4 { grid-template-columns: repeat(4, 1fr); }
.card-row.cols-5 { grid-template-columns: repeat(5, 1fr); }
@media (max-width: 1180px) {
  .card-row.cols-5 { grid-template-columns: repeat(2, 1fr); }
  .card-row.cols-5 .card:last-child { grid-column: 1 / -1; }
}
@media (max-width: 980px) {
  .card-row, .card-row.cols-2, .card-row.cols-4, .card-row.cols-5 { grid-template-columns: 1fr; }
  .card-row.cols-5 .card:last-child { grid-column: auto; }
}
.card {
  background: var(--paper);
  padding: 44px 38px 52px;
  position: relative;
  transition: background 0.3s ease;
}
.bg-soft .card { background: var(--paper-2); }
.bg-panel .card { background: var(--paper-3); }
.card .card-num {
  font-family: var(--serif);
  font-size: 32px;
  color: var(--ink);
  margin-bottom: 32px;
  letter-spacing: -0.02em;
  font-variation-settings: 'opsz' 32;
  display: block;
  line-height: 1;
}
.card h3 {
  margin-bottom: 14px;
  font-size: 23px;
}
.card p { color: var(--ink-mute); font-size: 16px; line-height: 1.65; }

.bg-dark .card-row { background: var(--night-rule); border-color: var(--night-rule); }
.bg-dark .card { background: var(--night); }
.bg-dark .card p { color: var(--on-night-mute); }
.bg-dark .card .card-num { color: var(--on-night); }

/* ─────────────── Index list (guides, scenarios) ─────────────── */
.list-row {
  list-style: none;
  border-top: 1px solid var(--rule);
}
.list-row li {
  border-bottom: 1px solid var(--rule);
}
.list-row a, .list-row .list-item {
  display: grid;
  grid-template-columns: 90px 1.3fr 1.7fr 130px;
  gap: 32px;
  padding: 36px 0;
  text-decoration: none;
  color: var(--ink);
  align-items: baseline;
  transition: padding 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.list-row a { cursor: pointer; }
.list-row a:hover { padding-left: 14px; padding-right: 14px; }
.list-row a:hover h3 { color: var(--accent); }
.list-row .li-num {
  font-family: var(--serif);
  font-size: 28px;
  color: var(--ink);
  font-variation-settings: 'opsz' 28;
  letter-spacing: -0.01em;
}
.list-row h3 { margin: 0; transition: color 0.3s ease; font-size: 25px; }
.list-row .li-desc { color: var(--ink-mute); font-size: 15px; line-height: 1.55; }
.list-row .li-go {
  text-align: right;
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink-quiet);
  letter-spacing: 0.04em;
  transition: color 0.3s ease;
}
.list-row a:hover .li-go { color: var(--accent); }
@media (max-width: 920px) {
  .list-row a, .list-row .list-item {
    grid-template-columns: 60px 1fr;
    gap: 16px;
  }
  .list-row .li-desc { grid-column: 2; }
  .list-row .li-go { grid-column: 2; text-align: left; margin-top: 8px; }
}
.bg-dark .list-row,
.bg-dark .list-row li { border-color: var(--night-rule); }
.bg-dark .list-row a { color: var(--on-night); }
.bg-dark .list-row a:hover h3 { color: var(--accent-on-dark); }
.bg-dark .list-row .li-desc { color: var(--on-night-mute); }
.bg-dark .list-row .li-num { color: var(--on-night); }
.bg-dark .list-row .li-go { color: var(--on-night-quiet); }
.bg-dark .list-row a:hover .li-go { color: var(--accent-on-dark); }

/* ─────────────── Quotes ─────────────── */
.quote {
  font-family: var(--serif);
  font-size: clamp(22px, 2.4vw, 28px);
  line-height: 1.4;
  color: var(--ink);
  position: relative;
  padding-left: 0;
  font-variation-settings: 'opsz' 28;
}
.quote::before {
  content: '\201C';
  font-family: var(--serif);
  position: absolute;
  left: -0.5em;
  top: -0.08em;
  font-size: 1.6em;
  line-height: 1;
  color: var(--ink-quiet);
}
.quote cite {
  display: block;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
  font-family: var(--sans);
  font-style: normal;
  font-size: 13px;
  color: var(--ink-mute);
  letter-spacing: 0.02em;
}
.quote cite strong { font-weight: 500; color: var(--ink); }
.bg-dark .quote { color: var(--on-night); }
.bg-dark .quote::before { color: var(--on-night-quiet); }
.bg-dark .quote cite { border-color: var(--night-rule); color: var(--on-night-mute); }
.bg-dark .quote cite strong { color: var(--on-night); }

/* ─────────────── Forms (refined) ─────────────── */
form .field { margin-bottom: 28px; }
form label {
  display: block;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 10px;
  font-weight: 500;
}
form input, form textarea, form select {
  width: 100%;
  background: var(--paper);
  border: 1px solid var(--rule-strong);
  padding: 16px 18px;
  font-family: var(--sans);
  font-size: 16px;
  color: var(--ink);
  font-weight: 400;
  transition: border-color 0.3s ease, background 0.3s ease;
  border-radius: 0;
}
.bg-soft form input,
.bg-soft form textarea,
.bg-soft form select { background: var(--paper); }
form input:hover, form textarea:hover, form select:hover { border-color: var(--ink-quiet); }
form input:focus, form textarea:focus, form select:focus {
  outline: none;
  border-color: var(--ink);
  background: var(--paper);
}
form textarea {
  min-height: 140px;
  resize: vertical;
  line-height: 1.55;
  font-family: var(--serif);
  font-size: 18px;
}
form input::placeholder, form textarea::placeholder { color: var(--ink-faint); font-style: italic; }
form .field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 540px) { form .field-row { grid-template-columns: 1fr; gap: 0; } }
form button { margin-top: 8px; }

.bg-dark form input,
.bg-dark form textarea,
.bg-dark form select {
  background: transparent;
  border-color: var(--night-rule-strong);
  color: var(--on-night);
}
.bg-dark form input:hover,
.bg-dark form textarea:hover { border-color: var(--on-night-mute); }
.bg-dark form input:focus,
.bg-dark form textarea:focus { border-color: var(--on-night); }
.bg-dark form label { color: var(--on-night-mute); }
.bg-dark form input::placeholder,
.bg-dark form textarea::placeholder { color: var(--on-night-quiet); }

/* ─────────────── Accordion ─────────────── */
.accordion details {
  border-bottom: 1px solid var(--rule);
  padding: 28px 0;
}
.accordion summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  font-family: var(--serif);
  font-size: 22px;
  color: var(--ink);
  line-height: 1.3;
  font-variation-settings: 'opsz' 22;
  transition: color 0.3s ease;
}
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary:hover { color: var(--accent); }
.accordion summary .plus {
  width: 16px; height: 16px;
  position: relative;
  flex-shrink: 0;
  color: var(--ink-quiet);
}
.accordion summary .plus::before,
.accordion summary .plus::after {
  content: '';
  position: absolute;
  background: currentColor;
}
.accordion summary .plus::before { top: 50%; left: 0; right: 0; height: 1px; transform: translateY(-50%); }
.accordion summary .plus::after { left: 50%; top: 0; bottom: 0; width: 1px; transform: translateX(-50%); transition: transform 0.3s ease; }
.accordion details[open] summary .plus::after { transform: translateX(-50%) scaleY(0); }
.accordion .answer {
  margin-top: 18px;
  color: var(--ink-mute);
  font-size: 16px;
  line-height: 1.7;
  max-width: 64ch;
}
.bg-dark .accordion details { border-color: var(--night-rule); }
.bg-dark .accordion summary { color: var(--on-night); }
.bg-dark .accordion summary:hover { color: var(--accent-on-dark); }
.bg-dark .accordion .answer { color: var(--on-night-mute); }
.bg-dark .accordion summary .plus { color: var(--on-night-quiet); }

/* ─────────────── Next-page link ─────────────── */
.next {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  padding: 48px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  text-decoration: none;
  color: var(--ink);
  transition: padding 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.next:hover { padding-left: 20px; padding-right: 20px; }
.next-label {
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink-quiet);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 10px;
  font-weight: 500;
}
.next-title {
  font-family: var(--serif);
  font-size: clamp(28px, 3.8vw, 48px);
  line-height: 1.05;
  letter-spacing: -0.018em;
  font-variation-settings: 'opsz' 40;
}
.next-arr {
  font-family: var(--serif);
  font-size: 40px;
  color: var(--ink-quiet);
  transition: transform 0.3s cubic-bezier(0.22, 0.61, 0.36, 1), color 0.3s ease;
}
.next:hover .next-arr { transform: translateX(10px); color: var(--ink); }
.bg-dark .next { border-color: var(--night-rule); color: var(--on-night); }
.bg-dark .next-label { color: var(--on-night-quiet); }
.bg-dark .next-arr { color: var(--on-night-quiet); }
.bg-dark .next:hover .next-arr { color: var(--on-night); }

/* ─────────────── Footer ─────────────── */
footer {
  background: var(--night);
  color: var(--on-night);
  padding: 96px 0 36px;
}
footer .foot-mast {
  border-bottom: 1px solid var(--night-rule);
  padding-bottom: 56px;
  margin-bottom: 56px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 32px;
  flex-wrap: wrap;
}
footer .foot-mast .brand {
  color: var(--on-night);
  font-size: 28px;
}
footer .foot-mast .brand::after { background: var(--on-night); }
footer .foot-mast .tag {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--on-night);
  font-variation-settings: 'opsz' 24;
  max-width: 30ch;
  letter-spacing: -0.005em;
}

.foot-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 56px;
  margin-bottom: 72px;
}
@media (max-width: 920px) { .foot-grid { grid-template-columns: 1fr 1fr; gap: 40px; } }
@media (max-width: 540px) { .foot-grid { grid-template-columns: 1fr; } }
.foot-col h4 {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--on-night-quiet);
  margin-bottom: 22px;
  text-transform: uppercase;
}
.foot-col ul { list-style: none; }
.foot-col li { margin-bottom: 11px; }
.foot-col a {
  color: var(--on-night-mute);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s ease;
}
.foot-col a:hover { color: var(--on-night); }
.foot-col p {
  color: var(--on-night-mute);
  font-size: 14px;
  line-height: 1.65;
}
.foot-form input {
  background: transparent;
  border-color: var(--night-rule-strong);
  color: var(--on-night);
}
.foot-form input::placeholder { color: var(--on-night-quiet); font-style: italic; }
.foot-form button {
  background: transparent;
  border: 1px solid var(--on-night-mute);
  color: var(--on-night);
  padding: 12px 22px;
  font-size: 12px;
  font-family: var(--sans);
  font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 14px;
}
.foot-form button:hover { background: var(--on-night); color: var(--night); border-color: var(--on-night); }
.foot-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--on-night-quiet);
  padding-top: 28px;
  border-top: 1px solid var(--night-rule);
  letter-spacing: 0.02em;
}
.foot-bottom a { color: var(--on-night-quiet); text-decoration: none; margin-left: 24px; transition: color 0.2s ease; }
.foot-bottom a:hover { color: var(--on-night); }
.foot-colophon {
  margin-top: 16px;
  width: 100%;
  font-family: var(--serif);
  font-style: italic;
  font-size: 13px;
  color: var(--on-night-quiet);
  font-variation-settings: 'opsz' 14;
}

/* ─────────────── Accessibility ─────────────── */
*:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ─────────────── Reveal ─────────────── */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.8s cubic-bezier(0.22, 0.61, 0.36, 1), transform 0.8s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.reveal.in { opacity: 1; transform: translateY(0); }

/* ─────────────── Utility ─────────────── */
.center { text-align: center; }
.divider {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 0;
}
.divider-dark { border-top-color: var(--night-rule); }

/* Tabular meta strip (used on toolkit, guides etc.) */
.meta-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 32px;
  padding: 18px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.meta-strip .m {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
}
.meta-strip .m-k {
  color: var(--ink-quiet);
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.meta-strip .m-v {
  color: var(--ink);
  font-family: var(--serif);
  font-size: 16px;
  font-variation-settings: 'opsz' 16;
}
.bg-dark .meta-strip { border-color: var(--night-rule); }
.bg-dark .meta-strip .m-k { color: var(--on-night-quiet); }
.bg-dark .meta-strip .m-v { color: var(--on-night); }

/* ============================================================
   REFINEMENT LAYER — elegance details
   ============================================================ */

/* Logo treatment (image + wordmark) */
.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
}
.brand-mark img {
  height: 32px;
  width: auto;
  display: block;
  border-radius: 50%;
  object-fit: cover;
  aspect-ratio: 1/1;
}
.brand-mark .brand-wm {
  font-family: var(--serif);
  font-size: 19px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 500;
  font-variation-settings: 'opsz' 22;
}
.brand-mark .brand-wm span {
  font-style: italic;
  letter-spacing: 0.04em;
  text-transform: none;
  margin-left: 2px;
}
.nav.dark .brand-mark { color: var(--on-night); }
footer .brand-mark { color: var(--on-night); }
footer .brand-mark img { filter: brightness(1.05); }

/* Refined buttons — gentler hover */
.btn { transition: background 0.35s ease, color 0.35s ease, border-color 0.35s ease, transform 0.35s cubic-bezier(0.22, 0.61, 0.36, 1); }
.btn:hover { background: var(--accent); border-color: var(--accent); transform: translateY(-1px); }
.btn-light:hover { background: var(--ink); border-color: var(--ink); transform: translateY(-1px); }

/* Cards: subtle real depth (no glow, no luxe) */
.card { transition: background 0.35s ease, transform 0.35s cubic-bezier(0.22, 0.61, 0.36, 1), box-shadow 0.35s ease; }
.card-row a.card,
.card-row .card.is-link { cursor: pointer; }
.card-row a.card:hover,
.card.is-link:hover {
  background: var(--paper);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -16px rgba(20, 20, 15, 0.18);
  position: relative;
  z-index: 2;
}
.bg-dark .card-row a.card:hover,
.bg-dark .card.is-link:hover {
  background: var(--night-2);
  box-shadow: 0 12px 24px -12px rgba(0, 0, 0, 0.6);
}

/* Editorial italic in display headings — used sparingly */
h1 em, h2 em, h3 em, .h-italic {
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0;
  font-variation-settings: 'opsz' 96;
}

/* Refined hero (asymmetric, image-aware) */
.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 96px;
  align-items: end;
}
@media (max-width: 920px) { .hero-grid { grid-template-columns: 1fr; gap: 56px; } }
.hero-image {
  aspect-ratio: 4/5;
  background: var(--paper-3);
  border: 1px solid var(--rule);
  overflow: hidden;
  position: relative;
}
.hero-image img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* Section ornament (sparingly used) */
.ornament {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--ink-quiet);
  font-size: 13px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin: 0 auto 40px;
  justify-content: center;
}
.ornament::before, .ornament::after {
  content: '';
  display: block;
  width: 56px;
  height: 1px;
  background: var(--rule);
}
.bg-dark .ornament { color: var(--on-night-quiet); }
.bg-dark .ornament::before,
.bg-dark .ornament::after { background: var(--night-rule); }

/* Pillar with image (toolkit, audiences) */
.pillar-img {
  background: var(--paper);
  border: 1px solid var(--rule);
  padding: 0;
  display: flex;
  flex-direction: column;
  transition: transform 0.35s cubic-bezier(0.22, 0.61, 0.36, 1), box-shadow 0.35s ease;
}
.pillar-img:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 28px -18px rgba(20, 20, 15, 0.22);
}
.pillar-img .p-img {
  aspect-ratio: 5/3;
  background: var(--paper-3);
  overflow: hidden;
  border-bottom: 1px solid var(--rule);
}
.pillar-img .p-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.pillar-img .p-body {
  padding: 32px 32px 36px;
}
.pillar-img .p-num {
  font-family: var(--serif);
  font-size: 28px;
  color: var(--ink);
  margin-bottom: 24px;
  display: block;
  letter-spacing: -0.02em;
}
.pillar-img h3 {
  margin-bottom: 14px;
  font-size: 22px;
  line-height: 1.2;
}
.pillar-img p { color: var(--ink-mute); font-size: 15px; line-height: 1.6; }

/* Categories tabular (replaces marquee) */
.tag-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
  margin-top: 48px;
}
@media (max-width: 760px) { .tag-grid { grid-template-columns: repeat(2, 1fr); } }
.tag-grid .tag {
  padding: 22px 4px;
  font-family: var(--serif);
  font-size: 18px;
  color: var(--ink);
  border-bottom: 1px solid var(--rule);
  border-right: 1px solid var(--rule);
  font-variation-settings: 'opsz' 20;
}
.tag-grid .tag:nth-child(5n) { border-right: none; }
@media (max-width: 760px) {
  .tag-grid .tag { border-right: 1px solid var(--rule); }
  .tag-grid .tag:nth-child(5n) { border-right: 1px solid var(--rule); }
  .tag-grid .tag:nth-child(2n) { border-right: none; }
}
.bg-dark .tag-grid,
.bg-dark .tag-grid .tag { border-color: var(--night-rule); color: var(--on-night); }

/* Refined testimonial grid */
.voices {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 64px 80px;
}
@media (max-width: 760px) { .voices { grid-template-columns: 1fr; gap: 56px; } }

/* Drop the bland — refined hover for nav links */
.nav-links a:not(.nav-cta) {
  position: relative;
}
.nav-links a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: var(--on-night);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.nav-links a:not(.nav-cta):hover::after { transform: scaleX(1); }
.nav-links a.active::after { transform: scaleX(1); }
.nav.dark .nav-links a:not(.nav-cta)::after { background: var(--on-night); }

/* Hero CTA tag (small detail below buttons) */
.hero-tag {
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid var(--rule);
  display: flex;
  align-items: baseline;
  gap: 20px;
  flex-wrap: wrap;
}
.hero-tag .h-tag-num {
  font-family: var(--serif);
  font-size: 24px;
  color: var(--ink);
  font-variation-settings: 'opsz' 28;
}
.hero-tag .h-tag-txt {
  font-family: var(--serif);
  font-style: italic;
  font-size: 17px;
  color: var(--ink-mute);
  font-variation-settings: 'opsz' 18;
  line-height: 1.5;
}
.bg-dark .hero-tag,
.hero.dark .hero-tag { border-top-color: var(--night-rule); }
.bg-dark .hero-tag .h-tag-num,
.hero.dark .hero-tag .h-tag-num { color: var(--on-night); }
.bg-dark .hero-tag .h-tag-txt,
.hero.dark .hero-tag .h-tag-txt { color: var(--on-night-mute); }

/* Pull quote — used once or twice, properly */
.pull {
  border-left: 2px solid var(--accent);
  padding: 8px 0 8px 32px;
  font-family: var(--serif);
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.35;
  letter-spacing: -0.012em;
  color: var(--ink);
  margin: 56px 0;
  font-variation-settings: 'opsz' 32;
}
.pull em { font-style: italic; }

/* Audience card grid (4 cards with image) */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
@media (max-width: 920px) { .audience-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .audience-grid { grid-template-columns: 1fr; } }


/* ============================================================
   LOGO — actual brand assets
   ============================================================ */
.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: var(--ink);
  line-height: 0;
}
.brand img { display: block; height: 28px; width: auto; }
.brand img.brand-light { display: none; }
/* Color logo works on both light and purple backgrounds — keep it everywhere */
.nav .brand img { height: 28px; }
footer .brand img { height: 34px; }
@media (max-width: 720px) {
  .nav .brand img { height: 24px; }
  footer .brand img { height: 30px; }
}

.card-row.fill-last > .card:last-child { grid-column: 1 / -1; }

/* Inline links (e.g. "See the tool") inside a list-row description must not
   inherit the full-row grid layout from ".list-row a". */
.list-row .li-desc a.link,
.list-row .li-desc a.link:hover { display: inline-block; padding: 0; }