/* =====================================================
   Trail Framework — Site Stylesheet
   Based on Trail Brand Style Guide
   ===================================================== */

/* Note: Google Fonts not loaded. Privacy-first requirement.
   System font fallbacks are used instead of DM Sans, DM Mono,
   and Space Grotesk. Visual character maintained via color,
   spacing, and typographic scale from the style guide. */

:root {
  /* Trail Core Colors */
  --color-forest:      #1a5c4a;
  --color-forest-mid:  #2a7a62;
  --color-mint:        #4aaa80;
  --color-sage:        #8ecfb0;
  --color-mist:        #d6ede5;
  --color-fog:         #f0f7f4;

  /* Neutral Scale */
  --color-ink:         #141c18;
  --color-graphite:    #2c3830;
  --color-slate:       #4a5e54;
  --color-pebble:      #7a9088;
  --color-ash:         #b8ccc5;
  --color-linen:       #eef4f1;
  --color-white:       #f8fbf9;

  /* Accent */
  --color-signal:      #00c97a;
  --color-amber:       #e8a83c;
  --color-warn:        #c95c2a;

  /* Typography — system fonts used for privacy */
  --font-display: 'Space Grotesk', 'DM Sans', system-ui, -apple-system, sans-serif;
  --font-body:    'DM Sans', 'Helvetica Neue', Arial, sans-serif;
  --font-mono:    'DM Mono', 'Courier New', monospace;

  /* Spacing */
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  40px;
  --space-2xl: 64px;
  --space-3xl: 96px;

  /* Radius */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  16px;
  --radius-xl:  24px;

  /* Shadows */
  --shadow-sm: 0 1px 4px rgba(20,28,24,0.07);
  --shadow-md: 0 4px 16px rgba(20,28,24,0.10);
  --shadow-lg: 0 8px 32px rgba(20,28,24,0.14);

  /* Nav */
  --nav-height: 64px;
}

/* ─── RESET ─────────────────────────────────── */

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--color-white);
  color: var(--color-graphite);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

img { max-width: 100%; height: auto; }

/* ─── HEADER / NAV ─────────────────────────── */

.site-header {
  background: var(--color-ink);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  position: relative;
}

.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo img {
  height: 28px;
  width: auto;
}

/* CSS-only mobile nav — checkbox toggle, no JavaScript */
.nav-check {
  display: none;
  position: absolute;
}

.nav-toggle-label {
  display: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
  flex-direction: column;
  gap: 5px;
  flex-shrink: 0;
  background: none;
  border: none;
}

.nav-toggle-label span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-ash);
  border-radius: 2px;
  transition: background 0.2s;
}

.nav-toggle-label:hover span { background: var(--color-white); }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  list-style: none;
  margin-left: auto;
}

.nav-links a {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-ash);
  text-decoration: none;
  padding: 7px 13px;
  border-radius: var(--radius-sm);
  transition: all 0.15s;
  white-space: nowrap;
}

.nav-links a:hover {
  color: var(--color-white);
  background: rgba(255,255,255,0.07);
}

.nav-links a.nav-active {
  color: var(--color-mint);
}

.nav-scaffold {
  border: 1.5px solid rgba(74,170,128,0.45) !important;
  border-radius: var(--radius-md) !important;
}

.nav-scaffold:hover {
  background: rgba(74,170,128,0.1) !important;
  border-color: var(--color-mint) !important;
  color: var(--color-white) !important;
}

/* ─── FOOTER ────────────────────────────────── */

.site-footer {
  background: var(--color-ink);
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: var(--space-xl) var(--space-lg);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
  list-style: none;
}

.footer-links a {
  font-size: 12px;
  color: var(--color-pebble);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-links a:hover { color: var(--color-ash); }

.footer-copy {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-pebble);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  align-items: center;
}

.footer-copy a {
  color: var(--color-pebble);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-copy a:hover { color: var(--color-ash); }

.footer-copy .sep { opacity: 0.3; }

/* ─── HERO ──────────────────────────────────── */

.hero {
  background: var(--color-ink);
  padding: var(--space-3xl) var(--space-lg);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(74,170,128,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -120px;
  left: 200px;
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(26,92,74,0.18) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-mint);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-kicker::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--color-mint);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5.5vw, 72px);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: var(--space-lg);
  max-width: 780px;
}

.hero h1 em {
  color: var(--color-mint);
  font-style: normal;
}

.hero-lead {
  font-size: 17px;
  color: rgba(248,251,249,0.65);
  font-weight: 300;
  line-height: 1.75;
  max-width: 600px;
  margin-bottom: var(--space-xl);
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* ─── BUTTONS ───────────────────────────────── */

.btn {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  padding: 11px 24px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  letter-spacing: 0.01em;
  transition: all 0.15s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-primary {
  background: var(--color-forest);
  color: var(--color-white);
}

.btn-primary:hover { background: var(--color-forest-mid); }

.btn-secondary {
  background: transparent;
  color: var(--color-sage);
  border: 1.5px solid rgba(142,207,176,0.35);
}

.btn-secondary:hover {
  background: rgba(74,170,128,0.1);
  border-color: var(--color-sage);
  color: var(--color-white);
}

/* ─── CONTENT SECTIONS ──────────────────────── */

.section {
  padding: var(--space-3xl) var(--space-lg);
  border-bottom: 1px solid var(--color-linen);
}

.section-alt { background: var(--color-fog); }

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section-kicker {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-pebble);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 700;
  color: var(--color-ink);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--space-md);
}

.section-title em {
  color: var(--color-forest);
  font-style: normal;
}

.section-lead {
  font-size: 16px;
  color: var(--color-slate);
  font-weight: 300;
  max-width: 680px;
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

.section-divider {
  height: 2px;
  background: linear-gradient(to right, var(--color-forest), var(--color-mint), transparent);
  margin-bottom: var(--space-xl);
  border: none;
}

/* ─── PAGE HERO (non-home) ──────────────────── */

.page-hero {
  background: var(--color-ink);
  padding: var(--space-2xl) var(--space-lg);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  position: relative;
  overflow: hidden;
}

.page-hero::after {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(74,170,128,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.page-hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.page-hero-kicker {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-mint);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: var(--space-sm);
}

.page-hero p {
  font-size: 16px;
  color: rgba(248,251,249,0.6);
  font-weight: 300;
  max-width: 580px;
  line-height: 1.7;
}

.page-hero p a {
  color: var(--color-mint);
  text-decoration: none;
}

.page-hero p a:hover {
  text-decoration: underline;
}

/* ─── PROSE / CONTENT ───────────────────────── */

.prose h1, .prose h2, .prose h3, .prose h4 {
  font-family: var(--font-display);
  color: var(--color-ink);
  letter-spacing: -0.02em;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  line-height: 1.2;
}

.prose h1 { font-size: clamp(26px, 3.5vw, 40px); font-weight: 700; letter-spacing: -0.03em; margin-top: 0; }
.prose h2 { font-size: clamp(20px, 2.5vw, 28px); font-weight: 600; }
.prose h3 { font-size: clamp(16px, 2vw, 20px); font-weight: 600; }
.prose h4 { font-size: 16px; font-weight: 600; }

.prose p { margin-bottom: var(--space-md); line-height: 1.7; color: var(--color-graphite); }
.prose p:last-child { margin-bottom: 0; }

.prose ul, .prose ol { margin: 0 0 var(--space-md) var(--space-lg); }
.prose li { margin-bottom: var(--space-xs); line-height: 1.7; }

.prose strong { font-weight: 600; color: var(--color-ink); }
.prose em { font-style: italic; }

.prose a { color: var(--color-forest); text-decoration: underline; }
.prose a:hover { color: var(--color-forest-mid); }
.prose a.btn { color: inherit; text-decoration: none; }
.prose a.btn-primary { color: var(--color-white); }
.prose a.btn-secondary { color: var(--color-sage); }

.prose hr {
  border: none;
  height: 1px;
  background: var(--color-linen);
  margin: var(--space-2xl) 0;
}

.prose code {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--color-linen);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  color: var(--color-forest);
}

.prose pre {
  background: var(--color-graphite);
  color: var(--color-sage);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  overflow-x: auto;
  margin-bottom: var(--space-md);
}

.prose pre code {
  background: none;
  padding: 0;
  color: inherit;
  font-size: 13px;
}

/* ─── HOME: THE SHIFT ───────────────────────── */

.shift-text {
  max-width: 740px;
  font-size: 16px;
  color: var(--color-graphite);
  line-height: 1.75;
}

.shift-text p { margin-bottom: var(--space-md); }
.shift-text p:last-child { margin-bottom: 0; }

/* ─── HOME: HOW IT WORKS ────────────────────── */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-lg);
}

.step {
  padding: var(--space-xl);
  background: var(--color-white);
  border: 1px solid var(--color-linen);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.step-num {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-mint);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.step h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--color-ink);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-sm);
}

.step p {
  font-size: 14px;
  color: var(--color-slate);
  line-height: 1.65;
}

/* ─── HOME: PROOF POINTS ────────────────────── */

.proof-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.proof-list li {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  font-size: 15px;
  color: var(--color-graphite);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-white);
  border: 1px solid var(--color-linen);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  line-height: 1.5;
}

.proof-list li strong {
  color: var(--color-ink);
  font-weight: 600;
  flex-shrink: 0;
}

/* ─── CTA STRIP ─────────────────────────────── */

.cta-strip {
  background: var(--color-forest);
  padding: var(--space-3xl) var(--space-lg);
  text-align: center;
}

.cta-strip-inner {
  max-width: 680px;
  margin: 0 auto;
}

.cta-strip h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-lg);
  line-height: 1.2;
}

.cta-strip .btn {
  background: var(--color-white);
  color: var(--color-forest);
  font-weight: 600;
}

.cta-strip .btn:hover { background: var(--color-mist); }

/* ─── ABOUT ─────────────────────────────────── */

.about-content {
  max-width: 740px;
  font-size: 16px;
  color: var(--color-graphite);
  line-height: 1.75;
}

.about-content p { margin-bottom: var(--space-lg); }
.about-content p:last-child { margin-bottom: 0; }

/* ─── CASE STUDIES ──────────────────────────── */

.case-study-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.case-study-card {
  border: 1px solid var(--color-linen);
  border-radius: var(--radius-lg);
  background: var(--color-white);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.case-study-header {
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--color-linen);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  background: var(--color-fog);
}

.case-study-header h2 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  color: var(--color-ink);
  letter-spacing: -0.02em;
}

.badge-coming-soon {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 99px;
  background: rgba(232,168,60,0.15);
  color: #9a6a10;
  white-space: nowrap;
  flex-shrink: 0;
}

.case-study-body {
  padding: var(--space-lg) var(--space-xl);
}

.case-study-body p {
  font-size: 15px;
  color: var(--color-graphite);
  margin-bottom: var(--space-md);
  line-height: 1.65;
}

.case-study-stats {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.case-study-stats li {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-slate);
  background: var(--color-fog);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-linen);
}

.case-study-outro {
  margin-top: var(--space-2xl);
  padding: var(--space-xl);
  background: var(--color-fog);
  border: 1px solid var(--color-linen);
  border-radius: var(--radius-lg);
  font-size: 15px;
  color: var(--color-slate);
  font-style: italic;
  line-height: 1.7;
}

/* ─── CONTACT ───────────────────────────────── */

.contact-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-pebble);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contact-value {
  font-size: 16px;
  color: var(--color-ink);
  font-weight: 500;
}

.contact-value a {
  color: var(--color-forest);
  text-decoration: none;
}

.contact-value a:hover {
  color: var(--color-forest-mid);
  text-decoration: underline;
}

.contact-follow {
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-linen);
}

.contact-follow a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-forest);
  font-weight: 500;
  text-decoration: none;
  font-size: 15px;
}

.contact-follow a:hover { color: var(--color-forest-mid); text-decoration: underline; }

/* ─── LEGAL / POLICY PAGES ──────────────────── */

.legal-wrap {
  max-width: 740px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
}

.legal-effective {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-pebble);
  margin-bottom: var(--space-2xl);
  letter-spacing: 0.05em;
}

/* ─── DOCS ──────────────────────────────────── */

.docs-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  align-items: start;
}

.docs-sidebar {
  background: var(--color-white);
  padding: var(--space-xl) 0;
  position: sticky;
  top: var(--nav-height);
  height: calc(100vh - var(--nav-height));
  overflow-y: auto;
  border-right: 1px solid var(--color-linen);
}

.docs-nav-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--color-slate);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0 var(--space-lg);
  margin-bottom: var(--space-sm);
}

.docs-nav {
  list-style: none;
}

.docs-nav a {
  display: block;
  padding: 7px var(--space-lg);
  font-size: 13px;
  color: var(--color-graphite);
  text-decoration: none;
  transition: all 0.15s;
  line-height: 1.4;
}

.docs-nav a:hover {
  color: var(--color-forest);
  background: var(--color-fog);
}

.docs-nav a.doc-active {
  color: var(--color-forest);
  background: var(--color-mist);
}

.docs-main {
  padding: var(--space-2xl) var(--space-3xl);
  min-height: calc(100vh - var(--nav-height));
}

.docs-content {
  max-width: 740px;
}

.docs-not-found {
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
  color: var(--color-slate);
  max-width: 480px;
  margin: 0 auto;
}

.docs-not-found h2 {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--color-ink);
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.docs-not-found p { margin-bottom: var(--space-lg); }

/* ─── PAGE WRAP ─────────────────────────────── */

.page-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
}

/* ─── RESPONSIVE ─────────────────────────────── */

@media (max-width: 768px) {
  .nav-toggle-label { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-ink);
    flex-direction: column;
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid rgba(255,255,255,0.07);
    gap: 4px;
    margin-left: 0;
  }
  .nav-check:checked ~ .nav-links { display: flex; }
  .nav-links a { padding: 10px 12px; }

  .docs-layout { grid-template-columns: 1fr; }
  .docs-sidebar {
    position: static;
    height: auto;
    padding: var(--space-md) 0;
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,0.07);
  }
  .docs-main { padding: var(--space-xl) var(--space-lg); }

  .steps { grid-template-columns: 1fr; }
  .case-study-header { flex-direction: column; align-items: flex-start; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { text-align: center; justify-content: center; }
}

@media (max-width: 480px) {
  .page-wrap { padding: var(--space-xl) var(--space-md); }
  .section { padding: var(--space-2xl) var(--space-md); }
  .hero { padding: var(--space-2xl) var(--space-md); }
  .page-hero { padding: var(--space-xl) var(--space-md); }
  .legal-wrap { padding: var(--space-xl) var(--space-md); }
  .docs-main { padding: var(--space-xl) var(--space-md); }
  .case-study-body { padding: var(--space-md) var(--space-lg); }
  .case-study-header { padding: var(--space-md) var(--space-lg); }
}

/* ─── BRUSHY CASE STUDY ─────────────────────── */

/* Sidebar extras */
.brushy-adf-note {
  margin: var(--space-md) var(--space-lg);
  padding: var(--space-sm) var(--space-md);
  background: rgba(74,170,128,0.07);
  border: 1px solid rgba(74,170,128,0.18);
  border-radius: var(--radius-sm);
  font-size: 11px;
  color: var(--color-graphite);
  line-height: 1.5;
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
}

.brushy-adf-badge {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  background: rgba(74,170,128,0.18);
  color: var(--color-mint);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  margin-top: 1px;
}

.docs-nav-sublabel {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--color-pebble);
  letter-spacing: 0.08em;
  padding: 0 var(--space-lg);
  margin-bottom: var(--space-sm);
  opacity: 0.7;
}

.brushy-adf-item {
  display: flex;
  flex-direction: row;
  align-items: center;
}

.brushy-adf-item > a:first-child {
  flex: 1;
}

.brushy-help-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-right: var(--space-lg);
  text-decoration: none;
}

.brushy-help-icon {
  display: block;
  width: 16px;
  height: 16px;
  -webkit-mask: url('/assets/info-white.svg') no-repeat center / contain;
  mask: url('/assets/info-white.svg') no-repeat center / contain;
  background-color: var(--color-pebble);
  transition: background-color 0.15s;
}

.brushy-help-badge:hover .brushy-help-icon {
  background-color: var(--color-forest);
}

/* Artifact viewer */
.brushy-viewer-header {
  margin-bottom: var(--space-xl);
}

.brushy-back {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-forest);
  text-decoration: none;
  margin-bottom: var(--space-md);
}

.brushy-back:hover { color: var(--color-forest-mid); text-decoration: underline; }

.brushy-viewer-path {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-pebble);
  margin-bottom: 4px;
}

.brushy-viewer-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--color-ink);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
}

.brushy-whats-inline {
  font-size: 12px;
  color: var(--color-forest);
  text-decoration: none;
  font-family: var(--font-mono);
}

.brushy-whats-inline:hover { text-decoration: underline; }

.brushy-code-block {
  background: var(--color-graphite);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.55;
  tab-size: 2;
  padding: 0;
}

.brushy-code-block code {
  font-family: var(--font-mono);
  display: block;
  padding: var(--space-lg);
}

/* Stats grid */
.brushy-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin: var(--space-xl) 0;
}

.brushy-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-fog);
  border: 1px solid var(--color-linen);
  border-radius: var(--radius-md);
  min-width: 100px;
  flex: 1;
}

.brushy-stat-value {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-forest);
  letter-spacing: -0.02em;
}

.brushy-stat-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-pebble);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
}

/* Demo video */
.brushy-video-wrap {
  margin: var(--space-xl) 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-ink);
}

.brushy-video {
  width: 100%;
  display: block;
  max-height: 560px;
  object-fit: contain;
}

/* Screenshots */
.brushy-section-heading {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-ink);
  letter-spacing: -0.02em;
  margin: var(--space-xl) 0 var(--space-lg);
}

.brushy-screenshots {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.brushy-screenshot {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-linen);
  background: var(--color-fog);
}

.brushy-screenshot img {
  display: block;
  width: 100%;
  height: auto;
}

/* Live case study card */
.case-study-card--live {
  transition: box-shadow 0.2s, border-color 0.2s, transform 0.2s;
}

.case-study-card--live:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-sage);
  transform: translateY(-2px);
}

.case-study-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.case-study-view-link {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-forest);
  background: var(--color-mist);
  border: 1px solid var(--color-sage);
  padding: 4px 12px;
  border-radius: 99px;
  white-space: nowrap;
  transition: background 0.15s;
  flex-shrink: 0;
}

.case-study-card--live:hover .case-study-view-link {
  background: var(--color-sage);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .brushy-screenshots { grid-template-columns: repeat(2, 1fr); }
  .brushy-stat { min-width: 80px; }
}

@media (max-width: 480px) {
  .brushy-screenshots { grid-template-columns: repeat(2, 1fr); }
  .brushy-stats { gap: var(--space-sm); }
  .brushy-stat { padding: var(--space-sm) var(--space-md); }
}

/* ─── OTAKU HAVEN: COLLAPSIBLE SIDEBAR ──────────────────────────────────────── */

.otaku-toggle-all-wrap {
  padding: var(--space-sm) var(--space-lg) var(--space-xs);
}

.otaku-toggle-all {
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--color-forest-mid);
  padding: 0;
  letter-spacing: 0.04em;
}

.otaku-toggle-all:hover {
  color: var(--color-forest);
  text-decoration: underline;
}

.otaku-folder-group {
  margin-bottom: 0;
}

.otaku-subfolder {
  margin-left: 0;
}

.otaku-folder-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  /* Match docs-nav-label appearance */
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--color-slate);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: var(--space-md) var(--space-lg) var(--space-sm);
  line-height: 1.3;
}

.otaku-subfolder > .otaku-folder-header {
  font-size: 10px;
  font-weight: 600;
  color: var(--color-pebble);
  padding-top: var(--space-sm);
  padding-bottom: 2px;
  text-transform: none;
  letter-spacing: 0.05em;
}

.otaku-folder-header:hover {
  color: var(--color-forest);
}

.otaku-toggle-icon {
  font-size: 14px;
  font-style: normal;
  flex-shrink: 0;
  margin-left: var(--space-sm);
  color: var(--color-pebble);
  line-height: 1;
}

.otaku-folder-list.hidden {
  display: none;
}

/* Business Plan download links */
.otaku-download-all-wrap {
  padding: var(--space-xs) var(--space-lg) var(--space-sm);
}

.otaku-download-all {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-forest-mid);
  text-decoration: none;
}

.otaku-download-all:hover {
  color: var(--color-forest);
  text-decoration: underline;
}

.otaku-download-list a {
  color: var(--color-graphite);
}

.otaku-download-list a:hover {
  color: var(--color-forest);
}

/* ─── OTAKU HAVEN: COLLAPSIBLE CONTENT SECTIONS ─────────────────────────────── */

.otaku-metrics-groups {
  margin-bottom: var(--space-xl);
}

.otaku-metrics-row {
  margin-bottom: var(--space-lg);
}

.otaku-metric-notes {
  margin-top: var(--space-sm);
}

.otaku-metric-notes p {
  font-size: 12px;
  color: var(--color-slate);
  margin-bottom: var(--space-xs);
}

.otaku-content-controls {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-linen);
}

#otaku-sections-toggle {
  background: none;
  border: 1px solid var(--color-sage);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--color-forest-mid);
  padding: 5px 12px;
  letter-spacing: 0.04em;
}

#otaku-sections-toggle:hover {
  background: var(--color-fog);
  color: var(--color-forest);
}

.otaku-section {
  margin-bottom: var(--space-xl);
}

.otaku-section-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
}

.otaku-section-toggle {
  background: none;
  border: 1px solid var(--color-ash);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  color: var(--color-pebble);
  padding: 2px 8px;
  flex-shrink: 0;
  transition: all 0.15s;
}

.otaku-section-toggle:hover {
  border-color: var(--color-sage);
  color: var(--color-forest);
  background: var(--color-fog);
}

.otaku-section-preview {
  color: var(--color-graphite);
  margin-bottom: var(--space-md);
}

.otaku-section-body.hidden {
  display: none;
}

/* Production summary table */
.otaku-summary-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin-top: var(--space-md);
}

.otaku-summary-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--color-linen);
  color: var(--color-graphite);
  vertical-align: top;
}

.otaku-summary-table td:last-child {
  white-space: nowrap;
  text-align: right;
  color: var(--color-ink);
  font-weight: 500;
}

.otaku-summary-total td {
  background: var(--color-fog);
  border-top: 1px solid var(--color-sage);
}

@media (max-width: 768px) {
  .otaku-summary-table td:last-child { white-space: normal; }
}