/* style.css — Editorial Intelligence™ design system
   Typography: Fraunces (display) + Source Serif 4 (long-form body) + Inter (UI chrome)
   Palette: Warm Ivory / Charcoal / Graphite / Soft Stone, with Forest Green /
   Midnight Blue / Warm Bronze / Muted Gold reserved as rare accents. */

:root,
[data-theme='light'] {
  /* ---------- Type scale (fluid) ---------- */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(3rem, 0.5rem + 7vw, 7.5rem);

  /* ---------- Spacing (4px base) ---------- */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* ---------- Surfaces (Warm Ivory system) ---------- */
  --color-bg: #f6f3ec;
  --color-surface: #fbf9f4;
  --color-surface-2: #ffffff;
  --color-surface-offset: #eee9dd;
  --color-surface-offset-2: #e6e0d0;
  --color-surface-dynamic: #ddd5c1;
  --color-divider: #ddd6c6;
  --color-border: #cfc6b0;

  /* ---------- Text (Charcoal / Graphite) ---------- */
  --color-text: #211f1c;
  --color-text-muted: #6b6459;
  --color-text-faint: #6e6555;
  --color-text-inverse: #f6f3ec;

  /* ---------- Primary accent (Forest Green) ---------- */
  --color-primary: #1f3d2e;
  --color-primary-hover: #16301f;
  --color-primary-active: #0f2416;
  --color-primary-highlight: #d9e2d9;

  /* ---------- Secondary accents (rare use only) ---------- */
  --color-midnight: #1c2a3f;
  --color-midnight-highlight: #dbe0e8;
  --color-bronze: #9c6b3e;
  --color-bronze-hover: #7f5630;
  --color-bronze-highlight: #ecdfcd;
  --color-gold: #b08d3e;
  --color-gold-highlight: #ece1c4;

  /* ---------- Semantic (kept muted, editorial) ---------- */
  --color-warning: #8a5a2b;
  --color-warning-highlight: #e6dac6;
  --color-error: #8a3b32;
  --color-error-highlight: #e6d3ce;
  --color-success: #3c5c3f;
  --color-success-highlight: #d9e2d9;

  /* ---------- Radius ---------- */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-full: 9999px;

  /* ---------- Transitions ---------- */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);

  /* ---------- Shadows (warm-toned) ---------- */
  --shadow-sm: 0 1px 2px oklch(0.2 0.02 80 / 0.07);
  --shadow-md: 0 6px 20px oklch(0.2 0.02 80 / 0.08);
  --shadow-lg: 0 20px 48px oklch(0.2 0.02 80 / 0.14);

  /* ---------- Content widths ---------- */
  --content-narrow: 640px;
  --content-default: 980px;
  --content-wide: 1240px;
  --content-full: 100%;

  /* ---------- Fonts ---------- */
  --font-display: 'Fraunces', 'Iowan Old Style', Georgia, serif;
  --font-serif: 'Source Serif 4', Georgia, serif;
  --font-body: 'Inter', 'Helvetica Neue', sans-serif;
}

/* ---------- Institutional Brand Palette (v1.1) ----------
   Reserved for logo, dividers, highlights, small icons, and accent rules
   only. Constant across light/dark themes (fixed brand identity colors,
   not theme-adaptive). Additive — does not replace --color-primary or any
   existing token above. ---------- */
:root {
  --color-institutional-ivory: #F7F5EF;
  --color-institutional-black: #0B0B0D;
  --color-institutional-gold: #D4AF37;
  --color-institutional-deep-green: #0F2A1F;
  --color-institutional-midnight-blue: #0D1B2A;
  --color-institutional-plum: #2B1530;
}

/* ---------- Dark mode ---------- */
[data-theme='dark'] {
  --color-bg: #161512;
  --color-surface: #1c1a17;
  --color-surface-2: #211f1b;
  --color-surface-offset: #262319;
  --color-surface-offset-2: #2d2a1f;
  --color-surface-dynamic: #35311f;
  --color-divider: #322e24;
  --color-border: #423c2c;

  --color-text: #ece7da;
  --color-text-muted: #a8a08e;
  --color-text-faint: #918a78;
  --color-text-inverse: #211f1c;

  --color-primary: #8bab93;
  --color-primary-hover: #a3c0a9;
  --color-primary-active: #b7d0bc;
  --color-primary-highlight: #2a3a2d;

  --color-midnight: #7f93b3;
  --color-midnight-highlight: #262e3c;
  --color-bronze: #c69760;
  --color-bronze-hover: #d6ac7a;
  --color-bronze-highlight: #362b1c;
  --color-gold: #d1b06a;
  --color-gold-highlight: #372e1c;

  --color-warning: #d1a06a;
  --color-warning-highlight: #372e1c;
  --color-error: #cb8478;
  --color-error-highlight: #3a2521;
  --color-success: #8bab93;
  --color-success-highlight: #2a3a2d;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 6px 20px oklch(0 0 0 / 0.35);
  --shadow-lg: 0 20px 48px oklch(0 0 0 / 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #161512;
    --color-surface: #1c1a17;
    --color-surface-2: #211f1b;
    --color-surface-offset: #262319;
    --color-surface-offset-2: #2d2a1f;
    --color-surface-dynamic: #35311f;
    --color-divider: #322e24;
    --color-border: #423c2c;
    --color-text: #ece7da;
    --color-text-muted: #a8a08e;
    --color-text-faint: #918a78;
    --color-text-inverse: #211f1c;
    --color-primary: #8bab93;
    --color-primary-hover: #a3c0a9;
    --color-primary-active: #b7d0bc;
    --color-primary-highlight: #2a3a2d;
    --color-midnight: #7f93b3;
    --color-midnight-highlight: #262e3c;
    --color-bronze: #c69760;
    --color-bronze-hover: #d6ac7a;
    --color-bronze-highlight: #362b1c;
    --color-gold: #d1b06a;
    --color-gold-highlight: #372e1c;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
    --shadow-md: 0 6px 20px oklch(0 0 0 / 0.35);
    --shadow-lg: 0 20px 48px oklch(0 0 0 / 0.5);
  }
}

/* ============================================================
   GLOBAL LAYOUT PRIMITIVES
   ============================================================ */

.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 4vw, var(--space-12));
}
.container--default {
  max-width: var(--content-default);
}
.container--narrow {
  max-width: var(--content-narrow);
}

.prose {
  max-width: 68ch;
}
.prose p + p,
.prose h2,
.prose h3,
.prose blockquote,
.prose figure {
  margin-top: var(--space-6);
}
.prose p {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--color-text);
}
.prose h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-top: var(--space-16);
  margin-bottom: var(--space-2);
}
.prose h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-top: var(--space-10);
  margin-bottom: var(--space-1);
}
.prose blockquote {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  line-height: 1.5;
  color: var(--color-text);
  border-left: none;
  padding: var(--space-2) 0 var(--space-2) var(--space-8);
  position: relative;
  max-width: 56ch;
}
.prose blockquote::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.35em;
  bottom: 0.35em;
  width: 2px;
  background: var(--color-bronze);
}

section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}
.section-tight {
  padding-block: clamp(var(--space-10), 5vw, var(--space-20));
}

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
[data-theme='dark'] .eyebrow {
  color: var(--color-primary);
}

.eyebrow::before {
  content: '';
  width: 20px;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
}

h1,
.h1 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.01em;
}
h2,
.h2 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.005em;
}
h3,
.h3 {
  font-family: var(--font-display);
  font-weight: 500;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition:
    background var(--transition-interactive),
    color var(--transition-interactive),
    border-color var(--transition-interactive),
    transform var(--transition-interactive);
  min-height: 44px;
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-outline {
  border-color: oklch(from var(--color-text) l c h / 0.22);
  color: var(--color-text);
}
.btn-outline:hover {
  border-color: var(--color-text);
  background: oklch(from var(--color-text) l c h / 0.04);
}
.btn-text {
  padding: var(--space-1) 0;
  color: var(--color-text);
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.3);
  border-radius: 0;
}
.btn-text:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-text--soon {
  color: var(--color-text-muted);
  border-bottom-color: var(--color-divider);
  cursor: default;
}

.tag {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* ---------- Legal page note & meta ---------- */
.legal-note {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-text-muted);
  max-width: 62ch;
  border-left: 2px solid var(--color-border);
  padding-left: var(--space-6);
}
.legal-meta {
  display: flex;
  gap: var(--space-4);
  align-items: center;
  flex-wrap: wrap;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-text-faint);
  margin-top: var(--space-6);
}

.card {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.1);
  border-radius: var(--radius-lg);
  transition:
    box-shadow var(--transition-interactive),
    transform var(--transition-interactive),
    border-color var(--transition-interactive);
}
a.card:hover,
.card[href]:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: oklch(from var(--color-text) l c h / 0.18);
}
a.card:active,
.card[href]:active {
  transform: translateY(0);
}

/* ---------- Status badges (Academy Coming Soon / Available Now) ---------- */
.badge-status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.35em 0.85em;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  line-height: 1.4;
  white-space: nowrap;
}
.badge-status--live {
  background: var(--color-primary-highlight);
  color: var(--color-primary);
}
.badge-status--soon {
  background: var(--color-surface-offset);
  color: var(--color-text-muted);
  border: 1px solid var(--color-divider);
}
.badge-status--progress {
  background: var(--color-warning-highlight);
  color: var(--color-warning);
}

/* ---------- Roadmap tiles (Academy Coming Soon curriculum map) ---------- */
.roadmap-card {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.roadmap-card:hover {
  border-color: oklch(from var(--color-text) l c h / 0.18);
  box-shadow: var(--shadow-sm);
}
.roadmap-card__row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}
.roadmap-card__title {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  line-height: 1.35;
}
.roadmap-card__body {
  font-family: var(--font-serif);
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--color-text-muted);
}
.roadmap-card__outcome {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.02em;
  margin-top: auto;
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-divider);
}
.roadmap-group + .roadmap-group {
  margin-top: var(--space-12);
}

/* ---------- Subtle callout aside (e.g. Academy guide teaser) ---------- */
.callout {
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  background: var(--color-surface-offset);
  padding: var(--space-6) var(--space-8);
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}
.callout__icon {
  flex-shrink: 0;
  color: var(--color-text-faint);
  margin-top: 0.15em;
}
.callout__body p {
  font-family: var(--font-serif);
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-text-muted);
  margin: 0;
}
.callout__body p + p {
  margin-top: var(--space-2);
}

.divider {
  border: none;
  border-top: 1px solid var(--color-divider);
}

.grain-overlay {
  position: relative;
}
.grain-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.035;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal {
  opacity: 1;
}
@supports (animation-timeline: scroll()) {
  .reveal {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 45%;
  }
}
@keyframes reveal-fade {
  to {
    opacity: 1;
  }
}

.reveal-up {
  opacity: 1;
}
@supports (animation-timeline: scroll()) {
  .reveal-up {
    opacity: 0;
    clip-path: inset(30% 0 0 0);
    animation: reveal-clip linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 55%;
  }
}
@keyframes reveal-clip {
  to {
    opacity: 1;
    clip-path: inset(0 0 0 0);
  }
}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) clamp(var(--space-5), 4vw, var(--space-12));
  background: oklch(from var(--color-bg) l c h / 0.86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  /* backdrop-filter puts this sticky header on its own GPU layer; the hint
     keeps its background-color change (driven by --color-bg via data-theme)
     on an invalidation-aware layer so it repaints on theme switch. See the
     forceThemeRepaint() safety net in app.js. */
  will-change: background-color;
  transition:
    transform 0.4s var(--ease-out),
    border-color 0.4s var(--ease-out),
    background 0.4s var(--ease-out);
}
.site-header--scrolled {
  border-bottom-color: var(--color-divider);
}
.site-header--hidden {
  transform: translateY(-100%);
}

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed;
  right: var(--space-5);
  bottom: var(--space-5);
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-divider);
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  opacity: 0;
  transform: translateY(8px) scale(0.92);
  pointer-events: none;
  transition:
    opacity 0.3s var(--ease-out),
    transform 0.3s var(--ease-out),
    border-color 0.3s var(--ease-out),
    background 0.3s var(--ease-out);
}
.back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
.back-to-top:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}
.back-to-top:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
  .back-to-top {
    transition: opacity 0.15s linear;
    transform: none;
  }
  .back-to-top.is-visible {
    transform: none;
  }
}
@media (max-width: 640px) {
  .back-to-top {
    right: var(--space-4);
    bottom: var(--space-4);
    width: 40px;
    height: 40px;
  }
}

.logo-lockup {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
}
.logo-lockup svg {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
}
.logo-lockup img {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  object-fit: contain;
}
.logo-wordmark {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.1;
  white-space: nowrap;
}
.logo-wordmark sup {
  font-size: 0.5em;
  top: -0.9em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  margin-left: var(--space-6);
  min-width: 0;
}
.main-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: nowrap;
}
.main-nav__list a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  position: relative;
  padding: var(--space-1) 0;
}
.main-nav__list a:hover,
.main-nav__list a[aria-current='page'] {
  color: var(--color-text);
}
.main-nav__list a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-interactive);
}
.main-nav__list a:hover::after,
.main-nav__list a[aria-current='page']::after {
  transform: scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.theme-toggle,
.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--color-text);
}
.theme-toggle:hover,
.nav-toggle:hover {
  background: oklch(from var(--color-text) l c h / 0.06);
}

.nav-toggle {
  display: none;
}

/* Mobile nav drawer */
.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  padding: var(--space-6) clamp(var(--space-5), 4vw, var(--space-12));
  transform: translateX(100%);
  transition: transform 0.4s var(--ease-out);
  overflow-y: auto;
}
.mobile-drawer.is-open {
  transform: translateX(0);
}
.mobile-drawer__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-10);
}
.mobile-drawer__list {
  display: flex;
  flex-direction: column;
}
.mobile-drawer__list a {
  display: block;
  width: 100%;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
  color: var(--color-text);
}
.mobile-drawer__footer {
  margin-top: auto;
  padding-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

@media (max-width: 1360px) {
  .main-nav__list,
  .nav-actions .btn-outline {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .main-nav {
    margin-left: 0;
  }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  --footer-text: #f6f3ec;
  background: #1f3d2e;
  color: var(--footer-text);
  padding-block: clamp(var(--space-16), 6vw, var(--space-24));
}
[data-theme='dark'] .site-footer {
  background: #0e1712;
}
.site-footer a {
  color: oklch(from var(--footer-text) l c h / 0.78);
}
.site-footer a:hover {
  color: var(--footer-text);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr 1fr;
  gap: var(--space-10);
}
.footer-brand p {
  color: oklch(from var(--footer-text) l c h / 0.72);
  font-size: var(--text-sm);
  max-width: 32ch;
  margin-top: var(--space-4);
}
.footer-brand .logo-lockup {
  color: var(--footer-text);
  display: inline-block;
  padding-bottom: var(--space-3);
  border-bottom: 1px solid oklch(from var(--color-institutional-gold) l c h / 0.35);
}
.footer-brand .logo-lockup img {
  width: 240px;
  height: auto;
  max-width: 100%;
}
.footer-col h3 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: oklch(from var(--footer-text) l c h / 0.55);
  margin-bottom: var(--space-4);
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer-col a {
  font-size: var(--text-sm);
}
.footer-bottom {
  margin-top: var(--space-16);
  padding-top: var(--space-8);
  border-top: 1px solid oklch(from var(--footer-text) l c h / 0.15);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: oklch(from var(--footer-text) l c h / 0.55);
}
.footer-bottom-links {
  display: flex;
  gap: var(--space-6);
}

@media (max-width: 1100px) {
  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}
@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 560px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

/* ============================================================
   HERO PATTERNS
   ============================================================ */
.hero {
  min-height: 86vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: clamp(var(--space-20), 12vw, var(--space-32));
  position: relative;
  /* Own an explicit themed background instead of relying on the transparent
     hero revealing the body "canvas". The grain-overlay::after blends with
     mix-blend-mode against this layer; without an owned background the blend
     composites against the body canvas, which does not reliably repaint when
     data-theme flips on <html> at runtime, leaving the hero stuck in the
     previous theme's color. */
  background-color: var(--color-bg);
  will-change: background-color;
}
.hero-page {
  min-height: 46vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
  background-color: var(--color-bg);
  will-change: background-color;
}
.hero__eyebrow {
  margin-bottom: var(--space-6);
}
.hero h1 {
  font-size: var(--text-hero);
  max-width: 18ch;
}
.hero-page h1 {
  font-size: var(--text-3xl);
  max-width: 20ch;
}
.hero__lede {
  margin-top: var(--space-8);
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 42ch;
  line-height: 1.6;
}
.hero__actions {
  margin-top: var(--space-10);
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.media-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-surface-offset);
}
.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-frame--full {
  border-radius: 0;
}

.full-bleed {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
}

/* ============================================================
   GRID / CARD LAYOUTS
   ============================================================ */
.grid {
  display: grid;
  gap: var(--space-8);
  min-width: 0;
}
.grid > * {
  min-width: 0;
}
.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}
.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}
.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}
.grid-auto {
  grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
}

@media (max-width: 900px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* Feature split (image + text, alternating) */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 6vw, var(--space-20));
  align-items: center;
  min-width: 0;
}
.split > * {
  min-width: 0;
}
.split--reverse .split__media {
  order: 2;
}
@media (max-width: 860px) {
  .split {
    grid-template-columns: 1fr;
  }
  .split--reverse .split__media {
    order: 0;
  }
}

/* Pull quote */
.pull-quote {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  line-height: 1.35;
  max-width: 46ch;
  color: var(--color-text);
}
.pull-quote cite {
  display: block;
  margin-top: var(--space-4);
  font-family: var(--font-body);
  font-style: normal;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* Numbered list (framework pillars, etc.) */
.pillar {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-6);
  padding-block: var(--space-10);
  border-top: 1px solid var(--color-divider);
}
.pillar:first-of-type {
  border-top: none;
}
.pillar__index {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text-faint);
  font-weight: 400;
}
.pillar__title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}
.pillar__body {
  font-family: var(--font-serif);
  color: var(--color-text-muted);
  max-width: 62ch;
}
@media (max-width: 640px) {
  .pillar {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
}

/* Index/listing card */
.entry-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-6);
}
.entry-card__media {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface-offset);
}
.entry-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.entry-card__meta {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}
.entry-card h3 {
  font-size: var(--text-lg);
}
.entry-card p {
  font-family: var(--font-serif);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* Section heading pattern */
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-6);
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
  flex-wrap: wrap;
}
.section-head h2 {
  font-size: var(--text-2xl);
  max-width: 20ch;
}
.section-head p {
  font-family: var(--font-serif);
  color: var(--color-text-muted);
  max-width: 40ch;
}

/* Stat row */
.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}
.stat {
  border-top: 1px solid var(--color-divider);
  padding-top: var(--space-5);
}
.stat__value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-primary);
}
.stat__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: var(--space-2);
}
@media (max-width: 700px) {
  .stat-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Price/marketplace card */
.shop-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.shop-card__media {
  aspect-ratio: 1;
  background: var(--color-surface-offset);
  overflow: hidden;
}
.shop-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.shop-card__body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}
.shop-card__price {
  margin-top: auto;
  padding-top: var(--space-3);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-body);
  font-size: var(--text-sm);
}
.shop-card__price strong {
  font-family: var(--font-display);
  font-size: var(--text-base);
  color: var(--color-text);
}

/* Boutique refinements (Store only) */
.shop-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.shop-card:hover {
  border-color: var(--color-bronze);
  box-shadow: var(--shadow-md);
}
.shop-card__name {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-base);
  line-height: 1.3;
}
.shop-card__price .shop-card__amount {
  font-family: var(--font-display);
  font-size: var(--text-base);
  color: var(--color-bronze);
}
.shop-card--bundle {
  border-color: var(--color-bronze);
  box-shadow: 0 0 0 1px var(--color-bronze) inset;
}
.shop-card--placeholder {
  align-items: center;
  justify-content: center;
  text-align: center;
  border-style: dashed;
  background: var(--color-surface-offset);
}
.shop-card--placeholder .shop-card__body {
  align-items: center;
  justify-content: center;
}
.shop-collection {
  margin-top: var(--space-16);
}
.shop-collection:first-of-type {
  margin-top: 0;
}
.shop-collection[hidden] {
  display: none;
}
.shop-filter {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4);
  cursor: pointer;
  transition: background var(--transition-interactive), color var(--transition-interactive), border-color var(--transition-interactive);
}
.shop-filter:hover {
  border-color: var(--color-bronze);
  color: var(--color-bronze);
}
.shop-filter.is-active {
  background: var(--color-bronze);
  border-color: var(--color-bronze);
  color: var(--color-text-inverse);
}

/* Newsletter band */
.newsletter {
  background: var(--color-surface-offset);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-10), 6vw, var(--space-16));
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-10);
  align-items: center;
}
.newsletter h2 {
  font-size: var(--text-xl);
}
.newsletter form {
  display: flex;
  gap: var(--space-3);
}
.newsletter input[type='email'] {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface-2);
  min-height: 44px;
  font-size: var(--text-sm);
}
.newsletter input[type='email']:focus-visible {
  border-color: var(--color-primary);
}
@media (max-width: 780px) {
  .newsletter {
    grid-template-columns: 1fr;
  }
  .newsletter form {
    flex-direction: column;
  }
}

/* Form (contact page) */
.form-grid {
  display: grid;
  gap: var(--space-6);
}
.form-grid[hidden] {
  display: none;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}
@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}
.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.field label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  max-width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface-2);
  min-height: 44px;
  font-size: var(--text-base);
}
.field textarea {
  min-height: 140px;
  resize: vertical;
}
.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible {
  border-color: var(--color-primary);
}

/* Honeypot field (anti-spam) — visually hidden from all visitors, kept in the
   tab/DOM flow off-screen so bots that auto-fill inputs still trip it. */
.field-hp {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Required-field asterisk indicator */
.field-required {
  color: var(--color-error);
  margin-left: 2px;
}

/* Inline field-level validation error text */
.field-error {
  display: none;
  font-size: var(--text-xs);
  font-family: var(--font-body);
  color: var(--color-error);
  margin-top: var(--space-1);
}
.field.has-error input,
.field.has-error select,
.field.has-error textarea {
  border-color: var(--color-error);
}
.field.has-error .field-error {
  display: block;
}
/* Standalone field-error paragraphs not nested inside .field (e.g. the
   newsletter block) are shown/hidden purely via the `hidden` attribute. */
.field-error--standalone:not([hidden]) {
  display: block;
  margin-top: var(--space-2);
}

/* Form-level status banners (error / retry) shared by contact + newsletter */
.form-status {
  font-size: var(--text-sm);
  font-family: var(--font-body);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  margin-top: var(--space-4);
}
.form-status[hidden] {
  display: none;
}
.form-status--error {
  color: var(--color-error);
  background: var(--color-error-highlight);
}
.form-status--success {
  color: var(--color-success);
  background: var(--color-success-highlight);
}

/* Small print under forms: privacy / consent language */
.form-fineprint {
  font-size: var(--text-xs);
  font-family: var(--font-body);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
}
.form-fineprint a {
  color: var(--color-text-muted);
  text-decoration: underline;
  text-decoration-color: var(--color-border);
}
.form-fineprint a:hover {
  color: var(--color-primary);
  text-decoration-color: var(--color-primary);
}

/* Newsletter consent caption — compact, sits directly under the email field */
.newsletter-fineprint {
  font-size: var(--text-xs);
  font-family: var(--font-body);
  color: var(--color-text-faint);
  margin-top: var(--space-2);
}
.newsletter-fineprint a {
  color: var(--color-text-faint);
  text-decoration: underline;
  text-decoration-color: var(--color-border);
}
.newsletter-fineprint a:hover {
  color: var(--color-primary);
  text-decoration-color: var(--color-primary);
}

/* Submit-button loading state */
.btn[data-loading='true'] {
  opacity: 0.7;
  cursor: progress;
  pointer-events: none;
}

/* Breadcrumb / back link */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.back-link:hover {
  color: var(--color-primary);
}

/* Table of contents (sticky sidebar for essays) */
.article-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
}
.article-toc {
  position: sticky;
  top: 110px;
  align-self: start;
}
.article-toc .toc-heading {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-3);
}
.article-toc ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  border-left: 1px solid var(--color-divider);
}
.article-toc a {
  display: block;
  padding: var(--space-1) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  border-left: 2px solid transparent;
  margin-left: -1px;
}
.article-toc a:hover,
.article-toc a.is-active {
  color: var(--color-text);
  border-left-color: var(--color-primary);
}
@media (max-width: 900px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-toc {
    position: static;
    margin-bottom: var(--space-8);
  }
  .article-toc ul {
    flex-direction: row;
    flex-wrap: wrap;
    border-left: none;
    gap: var(--space-4);
  }
  .article-toc a {
    border-left: none;
    border-bottom: 2px solid transparent;
    padding: var(--space-1) 0;
  }
  .article-toc a:hover,
  .article-toc a.is-active {
    border-bottom-color: var(--color-primary);
  }
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-3) var(--space-5);
  z-index: 300;
}
.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
}

/* Library — expandable Editorial Preview cards (Version 1.2.1) */
.library-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.library-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  overflow: hidden;
  transition: border-color 0.2s ease;
}
.library-card:hover {
  border-color: var(--color-text-muted);
}
.library-card[open] {
  border-color: var(--color-primary);
}
.library-card__summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-6);
}
.library-card__summary::-webkit-details-marker {
  display: none;
}
.library-card__summary::marker {
  content: "";
}
.library-card__summary:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
.library-card__summary-text {
  flex: 1 1 auto;
}
.library-card__chevron {
  flex-shrink: 0;
  margin-top: var(--space-2);
  color: var(--color-text-muted);
  transition: transform 0.2s ease, color 0.2s ease;
}
.library-card[open] .library-card__chevron {
  transform: rotate(180deg);
  color: var(--color-primary);
}
.library-card__body {
  padding: var(--space-5) var(--space-6) var(--space-6);
  border-top: 1px solid var(--color-border);
}
.library-card__label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-top: var(--space-5);
}
.library-card__label:first-child {
  margin-top: 0;
}
.library-card__overview {
  font-family: var(--font-serif);
  margin-top: var(--space-2);
  line-height: 1.7;
}
.library-card__principles {
  margin-top: var(--space-2);
  padding-left: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.library-card__principles li {
  font-size: var(--text-sm);
  line-height: 1.6;
}
.library-card__related {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
}
.library-card__related a {
  color: var(--color-primary);
}
.library-card__related a:hover {
  color: var(--color-primary-hover);
}
@media (max-width: 640px) {
  .library-card__summary {
    padding: var(--space-4);
  }
  .library-card__body {
    padding: var(--space-4) var(--space-4) var(--space-4);
  }
}

/* Utility */
.text-center {
  text-align: center;
}
.mt-0 {
  margin-top: 0 !important;
}
.muted {
  color: var(--color-text-muted);
}
.max-w-prose {
  max-width: 68ch;
}

/* Institutional layer dividers — About page canonical inventory */
.institution-layer {
  margin-top: var(--space-10, 4rem);
}
.institution-layer:first-of-type {
  margin-top: var(--space-8);
}
.institution-layer__label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-muted);
  font-weight: 600;
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

/* ============================================================
   PRACTICE LIBRARY™ — PRODUCT DETAIL PAGE COMPONENTS
   Practice Library™ Build Program, Step 2/3. Built entirely on
   existing design tokens — no new colors, spacing, or type sizes.
   ============================================================ */

.method-excerpt {
  border-left: 3px solid var(--color-primary);
  padding: var(--space-6) var(--space-8);
  background: var(--color-surface-2);
  border-radius: var(--radius-md);
}

.pillar-inventory {
  padding: var(--space-6);
  background: var(--color-surface-2);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
}

.onboarding-steps {
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.onboarding-steps li {
  counter-increment: step;
  position: relative;
  padding-left: var(--space-10);
}
.onboarding-steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 1.6em;
  height: 1.6em;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 600;
}

.progression-map {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.credibility-block .pull-quote {
  margin-top: var(--space-6);
}

.assurance-block {
  padding-bottom: var(--space-4);
}

.product-faq .faq-item {
  border-bottom: 1px solid var(--color-divider);
  padding: var(--space-5) 0;
}
.product-faq .faq-item summary {
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-base);
  color: var(--color-text);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.product-faq .faq-item summary::-webkit-details-marker {
  display: none;
}
.product-faq .faq-item summary::after {
  content: '+';
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-left: var(--space-4);
}
.product-faq .faq-item[open] summary::after {
  content: '\2212';
}
.product-faq .faq-item p {
  margin-top: var(--space-3);
  color: var(--color-text-muted);
  font-family: var(--font-serif);
  max-width: 60ch;
}

.product-hero .hero__actions {
  flex-wrap: wrap;
}