/* =====================================================================
   North7 × Microsoft Purview Blueprint - styles.css
   Default brand: North7. Customer overrides load from config/customer*.js.
   ===================================================================== */

/* ── Fonts loaded via <link> in index.html for non-blocking load ── */

/* ── Reset & Base ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* ── Brand colour roles ───────────────────────────────────────────
     Override these via config/customer*.js + js/theme.js            */

  /* Primary - headers, footer, body headings, sidebar labels        */
  --brand-primary:       #2F5C3D;
  --brand-primary-dark:  #183524;   /* deeper shade - hover on dark bg  */
  --brand-primary-mid:   #224730;   /* mid tone - sidebar bg accents    */
  --brand-primary-light: #6B9078;   /* lighter - secondary text on dark */

  /* Accent - interactive: active nav, links, h2 borders, highlights */
  --brand-accent:        #D26B3A;
  --brand-accent-dark:   #B0532A;   /* hover / focus states             */
  --brand-accent-light:  #EFB695;   /* subtle borders                   */
  --brand-accent-xlight: #FBEFE8;   /* very light tints / hover bg      */

  /* Secondary - supporting accent: callouts, alerts, badges         */
  --brand-secondary:       #467289;
  --brand-secondary-light: #E3ECF1; /* background tint                  */
  --brand-secondary-dark:  #2F5468; /* text on light secondary bg       */

  /* Tertiary - Baseline Config section: badge, card hover, tags     */
  --brand-tertiary:        #C7A972;
  --brand-tertiary-light:  #F6EFE3; /* background tint                  */

  /* Misc */
  --brand-highlight: #E5A07A;       /* warm highlight                   */
  --brand-neutral:   #80776A;       /* warm grey                        */

  /* Semantic - callout feedback colours */
  --color-success:       #2E6B43;
  --color-success-bg:    #E5EFE8;
  --color-success-text:  #2E6B43;
  --color-warning-bg:    #F6ECD5;
  --color-warning-text:  #B47D1E;

  /* Neutrals – tinted toward brand hue (navy ≈ 218°)
     Dark end is naturally blue; light end gets extra tint for cohesion */
  --neutral-900: #1C1812;
  --neutral-800: #2B2A24;
  --neutral-700: #4A4338;
  --neutral-600: #5C5849;
  --neutral-500: #80776A;
  --neutral-400: #B0A797;
  --neutral-300: #D9D1C4;
  --neutral-200: #E9E1D2;
  --neutral-100: #F2EDE3;
  --neutral-50:  #FAF7F1;
  --white:       #FFFFFF;

  /* Layout */
  --header-height:  64px;
  --footer-height:  56px;
  --sidebar-width:  276px;

  /* Typography - North7 defaults */
  --font-display: 'Instrument Serif', 'Iowan Old Style', Georgia, serif;
  --font-sans: 'Geist', ui-sans-serif, system-ui, -apple-system, 'Helvetica Neue', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Spacing */
  --space-xs:  4px;
  --space-sm:  8px;
  --space-12:  12px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;

  /* Shadows - tinted toward brand hue */
  --shadow-sm:  0 1px 2px rgba(28,24,18,.06), 0 1px 1px rgba(28,24,18,.04);
  --shadow-md:  0 4px 8px -2px rgba(28,24,18,.08), 0 2px 4px -2px rgba(28,24,18,.05);
  --shadow-lg:  0 12px 24px -6px rgba(28,24,18,.10), 0 4px 8px -4px rgba(28,24,18,.06);

  /* Transitions */
  --transition: 180ms cubic-bezier(0.25, 1, 0.5, 1);
}

html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

/* ── Focus ────────────────────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--brand-accent);
  outline-offset: 2px;
}

:focus:not(:focus-visible) { outline: none; }

body {
  font-family: var(--font-sans);
  color: var(--neutral-800);
  background: var(--neutral-50);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow-x: hidden;
}

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

/* ── Header ───────────────────────────────────────────────────────── */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-height);
  background: var(--brand-primary);
  border-bottom: 3px solid var(--brand-accent);
  box-shadow: var(--shadow-md);
  z-index: 100;
}

.header-inner {
  max-width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 20px;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  text-decoration: none;
  color: inherit;
}

.brand-logo { display: flex; align-items: center; }

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0;
  text-transform: none;
}

.brand-subtitle {
  font-size: 11px;
  color: var(--brand-accent);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 500;
}

.header-divider {
  width: 1px;
  height: 28px;
  background: rgba(255,255,255,0.2);
  flex-shrink: 0;
}

.header-product {
  font-size: 12.5px;
  font-weight: 600;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0;
  text-transform: none;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}

.nav-pill {
  padding: 6px 14px;
  border: 1.5px solid rgba(255,255,255,0.25);
  border-radius: 20px;
  background: transparent;
  color: rgba(255,255,255,0.8);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  text-transform: none;
}

.nav-pill:hover {
  border-color: var(--brand-accent);
  color: var(--brand-accent);
  background: rgba(0,181,178,0.12);
}

.nav-pill:active {
  transform: scale(0.96);
}

.nav-pill.active {
  background: var(--brand-accent);
  border-color: var(--brand-accent);
  color: var(--white);
}

.sidebar-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.sidebar-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: rgba(255,255,255,0.8);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ── Layout ───────────────────────────────────────────────────────── */
#layout {
  display: flex;
  margin-top: var(--header-height);
  min-height: calc(100vh - var(--header-height) - var(--footer-height));
}

/* ── Sidebar ──────────────────────────────────────────────────────── */
#sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: var(--white);
  border-right: 1px solid var(--neutral-200);
  position: sticky;
  top: var(--header-height);
  height: calc(100vh - var(--header-height) - var(--footer-height));
  overflow-y: auto;
  overflow-x: hidden;
  transition: transform var(--transition);
  will-change: transform;
}

#sidebar::-webkit-scrollbar { width: 4px; }
#sidebar::-webkit-scrollbar-track { background: transparent; }
#sidebar::-webkit-scrollbar-thumb { background: var(--neutral-300); border-radius: var(--radius-sm); }

.sidebar-inner { padding: var(--space-12) 0 var(--space-xl); }

.sidebar-section { border-bottom: 1px solid var(--neutral-100); }

.sidebar-section-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 16px;
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
  transition: background var(--transition);
}

.sidebar-section-header:hover { background: var(--neutral-50); }

.section-icon { font-size: 15px; flex-shrink: 0; display: flex; align-items: center; color: var(--brand-primary); }

.section-label {
  font-size: 10.5px;
  text-transform: none;
  letter-spacing: 0;
  color: var(--brand-primary);
  flex: 1;
}

.chevron {
  font-size: 11px;
  color: var(--neutral-400);
  transition: transform var(--transition);
}

.sidebar-section.collapsed .chevron { transform: rotate(-90deg); }
.sidebar-section.collapsed .sidebar-items { display: none; }

.sidebar-items {
  list-style: none;
  padding: 2px 0 4px;
}

.sidebar-items li { display: block; }

.nav-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 7px 16px 7px 36px;
  background: none;
  border: none;
  color: var(--neutral-600);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
}

.nav-item::before {
  content: '';
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--neutral-300);
  transition: background var(--transition);
}

.nav-item:hover {
  background: var(--brand-accent-xlight);
  color: var(--brand-accent-dark);
}

.nav-item:hover::before { background: var(--brand-accent-light); }

.nav-item.active {
  background: var(--brand-accent-xlight);
  color: var(--brand-accent-dark);
}

.nav-item.active::before { background: var(--brand-accent); }

.nav-item:active { opacity: 0.7; }

.sidebar-home-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 16px;
  color: var(--brand-primary);
  font-size: 10.5px;
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
}
.sidebar-home-link::before { display: none; }

/* ── Content Area ─────────────────────────────────────────────────── */
#content-area {
  flex: 1;
  min-width: 0;
  padding: var(--space-xl);
  background: var(--neutral-50);
  container-type: inline-size;
  container-name: content;
}

#content-inner {
  max-width: 880px;
  margin: 0 auto;
}

/* Loading */
#loading-indicator {
  text-align: center;
  padding: 60px 20px;
  color: var(--neutral-500);
  font-size: 15px;
}
.hidden { display: none !important; }

/* ── Article / Markdown Typography ───────────────────────────────── */
#page-content {
  padding: 44px 52px;
  animation: fadeIn 0.25s cubic-bezier(0.25, 1, 0.5, 1);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Page source badge */
#page-content .page-source-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: var(--space-xs) var(--space-12);
  border-radius: var(--radius-sm);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 14px;
}
.badge-copilot       { background: var(--brand-accent-xlight);   color: var(--brand-accent-dark); }
.badge-governance    { background: var(--brand-tertiary-light);   color: var(--brand-tertiary); }
.badge-purview       { background: var(--brand-secondary-light);  color: var(--brand-secondary-dark); }
.badge-home          { background: var(--brand-primary);          color: var(--white); }
.badge-ans           { background: var(--brand-primary);          color: var(--white); }

/* ── Section nav badges ───────────────────────────────────────────── */
.badge-foundation     { background: var(--brand-primary);        color: var(--white); }
.badge-data-readiness { background: var(--brand-accent-dark);    color: var(--white); }
.badge-deployment     { background: var(--brand-primary-mid);    color: var(--white); }
.badge-protection     { background: var(--brand-secondary);      color: var(--white); }
.badge-optimise       { background: var(--brand-accent);         color: var(--brand-primary-dark); }
.badge-baseline       { background: var(--brand-tertiary);       color: var(--white); }

/* Headings */
#page-content h1 {
  font-family: var(--font-display);
  font-size: clamp(24px, 1.8vw + 1rem, 34px);
  font-weight: 400;
  color: var(--brand-primary);
  line-height: 1.1;
  margin-bottom: 12px;
  letter-spacing: 0;
  text-transform: none;
}

#page-content h2 {
  font-family: var(--font-display);
  font-size: clamp(17px, 1vw + 0.75rem, 22px);
  font-weight: 400;
  color: var(--brand-primary);
  margin-top: var(--space-2xl);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--brand-accent);
  text-transform: none;
  letter-spacing: 0;
}

#page-content h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--brand-accent-dark);
  margin-top: 28px;
  margin-bottom: 10px;
  text-transform: none;
  letter-spacing: 0;
}

#page-content h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--brand-primary);
  margin-top: 20px;
  margin-bottom: 8px;
  letter-spacing: 0;
}

/* Paragraph */
#page-content p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--neutral-700);
  margin-bottom: var(--space-md);
  max-width: 70ch;
}

/* Lists */
#page-content ul, #page-content ol {
  margin: var(--space-sm) 0 var(--space-md) var(--space-lg);
}

#page-content li {
  font-size: 15px;
  line-height: 1.75;
  color: var(--neutral-700);
  margin-bottom: 6px;
}

#page-content ul > li { list-style-type: disc; }
#page-content ul > li::marker { color: var(--brand-accent); }
#page-content ol > li { list-style-type: decimal; }
#page-content ol > li::marker { color: var(--brand-accent); font-weight: 700; }

#page-content li ul, #page-content li ol { margin-top: 6px; }

/* Links */
#page-content a {
  color: var(--brand-accent-dark);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--brand-accent-dark) 40%, transparent);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  font-weight: 600;
  transition: text-decoration-color var(--transition), color var(--transition);
}
#page-content a:hover {
  color: var(--brand-primary);
  text-decoration-color: var(--brand-primary);
}

/* Strong/Em */
#page-content strong { font-weight: 700; color: var(--brand-primary); }
#page-content em { font-style: italic; color: var(--neutral-600); }

/* Code */
#page-content code {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--neutral-100);
  border: 1px solid var(--neutral-200);
  border-radius: 3px;
  padding: 1px 5px;
  color: var(--brand-secondary);
}

#page-content pre {
  background: var(--brand-primary);
  border-radius: var(--radius-md);
  padding: 20px var(--space-lg);
  overflow-x: auto;
  margin: var(--space-md) 0;
}

#page-content pre code {
  background: none;
  border: none;
  color: #C8D8F0;
  font-size: 13px;
  padding: 0;
}

/* Blockquotes */
#page-content blockquote {
  background: var(--brand-accent-xlight);
  border: 1px solid var(--brand-accent-light);
  margin: var(--space-lg) 0;
  padding: 18px var(--space-lg);
  border-radius: var(--radius-md);
}

#page-content blockquote p {
  color: var(--brand-accent-dark);
  margin: 0;
  font-style: italic;
  font-weight: 500;
}

/* Tables */
#page-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 14px;
}

#page-content th {
  background: var(--brand-primary);
  color: var(--white);
  font-weight: 700;
  text-align: left;
  padding: 10px 14px;
  text-transform: uppercase;
  font-size: 11.5px;
  letter-spacing: 0.07em;
}

#page-content td {
  padding: 9px 14px;
  border-bottom: 1px solid var(--neutral-200);
  vertical-align: top;
}

#page-content tr:nth-child(even) td { background: var(--neutral-50); }
#page-content tr:hover td { background: var(--brand-accent-xlight); }

/* HR */
#page-content hr {
  border: none;
  border-top: 2px solid var(--neutral-200);
  margin: 36px 0;
}

/* ── Callout Boxes ────────────────────────────────────────────────── */
.callout {
  display: flex;
  gap: 14px;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  margin: var(--space-lg) 0;
}

.callout-icon { font-size: 20px; flex-shrink: 0; }
.callout-body { flex: 1; }
.callout-title { font-weight: 700; font-size: 12px; margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.08em; }
.callout-text { font-size: 14px; line-height: 1.65; color: var(--neutral-700); }

.callout-info    { background: var(--brand-accent-xlight); }
.callout-info    .callout-title { color: var(--brand-accent-dark); }
.callout-success { background: var(--color-success-bg); }
.callout-success .callout-title { color: var(--color-success-text); }
.callout-warning { background: var(--color-warning-bg); }
.callout-warning .callout-title { color: var(--color-warning-text); }
.callout-tip     { background: var(--brand-secondary-light); }
.callout-tip     .callout-title { color: var(--brand-secondary-dark); }

/* ── Phase / Step Cards ──────────────────────────────────────────── */
.phase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  margin: 20px 0;
}

.phase-card {
  background: var(--white);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  transition: all var(--transition);
}

.phase-card:hover {
  background: var(--brand-accent-xlight);
  border-color: var(--brand-accent-light);
  transform: translateY(-2px);
}

.phase-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--brand-primary);
  color: var(--white);
  font-size: 15px;
  font-weight: 800;
  margin-bottom: 10px;
}

.phase-title { font-size: 12.5px; font-weight: 700; color: var(--brand-primary); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.05em; }
.phase-desc  { font-size: 13px; color: var(--neutral-500); line-height: 1.55; }

/* ── Hero Section (home page) ────────────────────────────────────── */
.hero-section {
  text-align: center;
  padding: var(--space-md) 0 var(--space-xl);
  border-bottom: 2px solid var(--brand-accent);
  margin-bottom: var(--space-xl);
}

.hero-logo { font-size: var(--space-2xl); margin-bottom: var(--space-md); display: flex; justify-content: center; }
.hero-logo img { width: 64px; height: 64px; object-fit: contain; }

#page-content .hero-section h1 {
  font-family: var(--font-display);
  font-size: clamp(26px, 2vw + 1rem, 36px);
  margin-bottom: var(--space-sm);
  color: var(--brand-primary);
  -webkit-text-fill-color: var(--brand-primary);
  background: none;
  text-transform: none;
  letter-spacing: 0;
}

.hero-tagline {
  font-size: 12px;
  font-weight: 600;
  color: var(--brand-accent);
  text-transform: none;
  letter-spacing: 0;
  margin-bottom: var(--space-md);
}

#page-content .hero-section p {
  font-size: 16px;
  max-width: 620px;
  margin: 0 auto 20px;
  color: var(--neutral-600);
}

/* ── Source Cards on Home ────────────────────────────────────────── */
.source-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin: 28px 0;
}

.source-card {
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  background: var(--white);
  cursor: pointer;
  transition: all var(--transition);
  text-align: left;
}

.source-card:hover {
  background: var(--neutral-50);
  border-color: var(--neutral-300);
  transform: translateY(-2px);
}

/* Card hover colours – brand role + legacy aliases consolidated     */
.source-card:is(.card-accent, .card-copilot):hover    { border-color: var(--brand-accent-light); }
.source-card.card-primary:hover                        { border-color: var(--brand-primary-light); }
.source-card:is(.card-secondary, .card-purview):hover  { border-color: var(--brand-secondary); }
.source-card:is(.card-tertiary, .card-governance, .card-baseline):hover { border-color: var(--brand-tertiary); }
.source-card.card-copilot-governance:hover { border-color: var(--brand-secondary); }

.source-card-icon { font-size: 30px; margin-bottom: 12px; display: block; line-height: 1; }
.source-card-title { font-size: 14px; font-weight: 600; color: var(--brand-primary); margin-bottom: 6px; text-transform: none; letter-spacing: 0; }
.source-card-desc  { font-size: 13px; color: var(--neutral-500); line-height: 1.65; }
.source-card-topics { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 6px; }
.topic-tag {
  font-size: 10px;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
}
/* Tag colours – brand role + legacy aliases consolidated            */
:is(.tag-accent, .tag-primary, .tag-copilot) { background: var(--brand-accent-xlight); color: var(--brand-accent-dark); }
:is(.tag-secondary, .tag-purview)            { background: var(--brand-secondary-light); color: var(--brand-secondary-dark); }
:is(.tag-tertiary, .tag-governance, .tag-baseline) { background: var(--brand-tertiary-light); color: var(--brand-tertiary); }
.tag-copilot-governance { background: var(--brand-secondary-light); color: var(--brand-secondary-dark); }

/* ── Inline label table ──────────────────────────────────────────── */
.label-row { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--neutral-100); }
.label-badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-12);
  border-radius: var(--radius-sm);
  font-size: 10.5px;
  font-weight: 700;
  min-width: 120px;
  text-align: center;
  text-transform: none;
  letter-spacing: 0;
}

/* ── Footer ───────────────────────────────────────────────────────── */
#site-footer {
  height: var(--footer-height);
  background: var(--brand-primary);
  border-top: 3px solid var(--brand-accent);
  display: flex;
  align-items: center;
}

.footer-inner {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 var(--space-lg);
  gap: 20px;
}

.footer-copy { font-size: 12px; color: rgba(255,255,255,0.75); font-weight: 500; letter-spacing: 0; text-transform: none; }
.footer-note { font-size: 11.5px; color: rgba(255,255,255,0.35); }
.footer-note em { font-style: normal; color: var(--brand-accent); }
.footer-tagline { font-size: 12px; color: var(--brand-accent); font-weight: 600; letter-spacing: 0; text-transform: none; flex-shrink: 0; }

/* ── Responsive ───────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .header-nav { display: none; }
  .header-divider { display: none; }
  .header-product { display: none; }
  .sidebar-toggle { display: flex; }

  #sidebar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    height: calc(100vh - var(--header-height));
    z-index: 90;
    transform: translateX(-100%);
    box-shadow: var(--shadow-lg);
  }

  #sidebar.open { transform: translateX(0); }

  #content-area { padding: 20px 16px; }

  .footer-inner { flex-wrap: wrap; justify-content: center; padding: 8px 16px; }
  .footer-note { display: none; }
  .footer-tagline { font-size: 10px; }
}

@media (max-width: 600px) {
  #page-content { padding: 28px 20px; }

  #page-content h1 { font-size: 22px; }
  #page-content h2 { font-size: 15px; }

  .phase-grid { grid-template-columns: 1fr 1fr; }
  .source-grid { grid-template-columns: 1fr; }
}

/* ── Container Queries (component-level responsive) ────────────── */
@container content (max-width: 600px) {
  #page-content { padding: var(--space-lg) 20px; }
  .phase-grid { grid-template-columns: 1fr 1fr; }
  .source-grid { grid-template-columns: 1fr; }
}

@container content (max-width: 400px) {
  .phase-grid { grid-template-columns: 1fr; }
}

/* ── Scroll progress bar ─────────────────────────────────────────── */
#scroll-progress {
  position: fixed;
  top: var(--header-height);
  left: 0;
  height: 3px;
  background: var(--brand-accent);
  width: 0%;
  z-index: 200;
  transition: width 0.12s cubic-bezier(0.25, 1, 0.5, 1);
}

/* ── Reduced Motion ─────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  #scroll-progress { display: none; }
}

/* ── Print ───────────────────────────────────────────────────────── */
@media print {
  #site-header, #sidebar, #site-footer, #scroll-progress { display: none; }
  #layout { margin-top: 0; }
  #content-area { padding: 0; }
  #page-content { border: none; box-shadow: none; padding: 0; }
}

/* Customer Theme: logo image */
.brand-logo-img {
  height: 34px;   /* matches original SVG height */
  width: auto;    /* preserves aspect ratio for any customer logo */
  display: block;
  object-fit: contain;
}

/* ── PowerShell Copy Button ──────────────────────────────────── */
.ps-copy-btn {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem;
  font-family: inherit;
  background: var(--brand-primary);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  opacity: 0.7;
  transition: opacity var(--transition);
}
.ps-copy-btn:hover { opacity: 1; }

/* ── Section Badges ──────────────────────────────────────────── */
.badge-resources          { background: var(--brand-secondary-light); color: var(--brand-secondary-dark); }
.badge-permissions        { background: var(--brand-accent-xlight); color: var(--brand-accent-dark); }
.badge-scripts            { background: var(--brand-primary-dark); color: var(--neutral-50); }
.badge-config-ext         { background: var(--brand-primary-mid); color: var(--neutral-50); }
.badge-copilot-governance { background: var(--brand-secondary); color: var(--white); }

/* ── Permission Source Badges ────────────────────────────────── */
.src-badge   { display: inline-block; padding: 1px 6px; border-radius: 3px; font-size: 10px; font-weight: 600; letter-spacing: 0; text-transform: none; vertical-align: middle; margin: 0 3px; white-space: nowrap; }
.src-purview { background: var(--brand-accent-xlight); color: var(--brand-accent-dark); border: 1px solid var(--brand-accent-light); }
.src-entra   { background: var(--brand-secondary-light); color: var(--brand-secondary-dark); border: 1px solid color-mix(in srgb, var(--brand-secondary) 35%, white); }
.src-both    { background: var(--brand-tertiary-light); color: var(--brand-primary-dark); border: 1px solid color-mix(in srgb, var(--brand-tertiary) 45%, white); }

/* ── North7 app-shell alignment -------------------------------------
   Matches the lighter, warm-paper shell used by the existing North7
   practice app while preserving this guide's static routing structure. */
:root {
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.375rem;
  --fs-xl: 1.75rem;
  --fs-2xl: 2.25rem;
  --fs-3xl: 3rem;
  --fs-4xl: 4rem;
  --lh-tight: 1.05;
  --lh-snug: 1.2;
  --lh-normal: 1.5;
  --lh-loose: 1.7;
  --tracking-tight: -0.02em;
  --tracking-eyebrow: 0.18em;
  --fw-light: 300;
  --fw-reg: 400;
  --fw-med: 500;
  --fw-sb: 600;
  --fw-bold: 700;
  --r-xs: 4px;
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-pill: 999px;
  --pine-50: #ECF2EE;
  --pine-500: #2F5C3D;
  --pine-600: #224730;
  --pine-700: #183524;
  --ember-50: #FBEFE8;
  --ember-300: #E58F61;
  --ember-400: #D26B3A;
  --ember-500: #B0532A;
  --sky-400: #467289;
  --sky-500: #2F5468;
  --bg: var(--neutral-50);
  --bg-soft: var(--neutral-100);
  --bg-sunken: var(--neutral-200);
  --surface: var(--white);
  --surface-2: var(--neutral-50);
  --fg-1: var(--neutral-900);
  --fg-2: var(--neutral-700);
  --fg-3: var(--brand-neutral);
  --fg-4: var(--neutral-400);
  --fg-inverse: var(--neutral-50);
  --border: rgba(28, 24, 18, 0.10);
  --border-strong: rgba(28, 24, 18, 0.20);
  --border-subtle: rgba(28, 24, 18, 0.06);
  --brand: var(--brand-primary);
  --brand-hover: var(--brand-primary-mid);
  --brand-soft: #ECF2EE;
  --accent: var(--brand-accent);
  --accent-soft: var(--brand-accent-xlight);
  --content-bleed: 1440px;
  --focus-ring: 0 0 0 3px rgba(75, 125, 88, 0.35);
  --selection-bg: rgba(210, 107, 58, 0.25);
}

:root,
[data-theme="light"] {
  --bg: #FAF7F1;
  --bg-soft: #F2EDE3;
  --bg-sunken: #E9E1D2;
  --surface: #FFFFFF;
  --surface-2: #FAF7F1;
  --fg: #1C1812;
  --fg-1: #1C1812;
  --fg-2: #4A4338;
  --fg-3: #80776A;
  --fg-4: #B0A797;
  --fg-inverse: #FAF7F1;
  --border: rgba(28, 24, 18, 0.10);
  --border-strong: rgba(28, 24, 18, 0.20);
  --border-subtle: rgba(28, 24, 18, 0.06);
  --brand: var(--pine-500);
  --brand-hover: var(--pine-600);
  --brand-press: var(--pine-700);
  --brand-soft: var(--pine-50);
  --on-brand: #FAF7F1;
  --accent: var(--ember-400);
  --accent-hover: var(--ember-500);
  --accent-soft: var(--ember-50);
  --on-accent: #FAF7F1;
  --success: #2E6B43;
  --warning: #B47D1E;
  --danger: #A6402C;
  --info: var(--sky-400);
  --success-soft: #E5EFE8;
  --warning-soft: #F6ECD5;
  --danger-soft: #F6E2DC;
  --info-soft: #E3ECF1;
  --focus-ring: 0 0 0 3px rgba(75, 125, 88, 0.35);
  --selection-bg: rgba(210, 107, 58, 0.25);
}

[data-theme="pastel"] {
  --bg: #F4F1E8;
  --bg-soft: #EAE6D8;
  --bg-sunken: #DFD9C5;
  --surface: #FBF9F2;
  --surface-2: #F4F1E8;
  --fg: #2B2A24;
  --fg-1: #2B2A24;
  --fg-2: #5C5849;
  --fg-3: #8C8773;
  --fg-4: #B8B19A;
  --fg-inverse: #FBF9F2;
  --border: rgba(43, 42, 36, 0.10);
  --border-strong: rgba(43, 42, 36, 0.20);
  --border-subtle: rgba(43, 42, 36, 0.06);
  --brand: #6E9A78;
  --brand-hover: #5C8466;
  --brand-press: #4B6E54;
  --brand-soft: #DDE8DE;
  --on-brand: #FBF9F2;
  --accent: #E5A07A;
  --accent-hover: #D38961;
  --accent-soft: #F6E3D5;
  --on-accent: #2B2A24;
  --success: #6E9A78;
  --warning: #C9A55E;
  --danger: #C47660;
  --info: #8FAEBC;
  --success-soft: #DDE8DE;
  --warning-soft: #EFE4C9;
  --danger-soft: #F0DAD0;
  --info-soft: #D9E4EA;
  --focus-ring: 0 0 0 3px rgba(110, 154, 120, 0.30);
  --selection-bg: rgba(229, 160, 122, 0.28);
}

[data-theme="dark"] {
  --bg: #14171B;
  --bg-soft: #1A1E23;
  --bg-sunken: #0F1216;
  --surface: #1E2329;
  --surface-2: #262C33;
  --fg: #F0EBE0;
  --fg-1: #F0EBE0;
  --fg-2: #C5BFB1;
  --fg-3: #8E8676;
  --fg-4: #5C5749;
  --fg-inverse: #14171B;
  --border: rgba(240, 235, 224, 0.10);
  --border-strong: rgba(240, 235, 224, 0.20);
  --border-subtle: rgba(240, 235, 224, 0.05);
  --brand: #7AB58C;
  --brand-hover: #98C8A6;
  --brand-press: #B6DBC1;
  --brand-soft: rgba(122, 181, 140, 0.14);
  --on-brand: #14171B;
  --accent: #E58F61;
  --accent-hover: #EFA882;
  --accent-soft: rgba(229, 143, 97, 0.14);
  --on-accent: #14171B;
  --success: #7AB58C;
  --warning: #E3BD6A;
  --danger: #E08572;
  --info: #8FB8CC;
  --success-soft: rgba(122, 181, 140, 0.14);
  --warning-soft: rgba(227, 189, 106, 0.14);
  --danger-soft: rgba(224, 133, 114, 0.14);
  --info-soft: rgba(143, 184, 204, 0.14);
  --shadow-xs: 0 1px 1px rgba(0, 0, 0, 0.30);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35), 0 1px 1px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 4px 8px -2px rgba(0, 0, 0, 0.40), 0 2px 4px -2px rgba(0, 0, 0, 0.30);
  --shadow-lg: 0 12px 24px -6px rgba(0, 0, 0, 0.45), 0 4px 8px -4px rgba(0, 0, 0, 0.35);
  --focus-ring: 0 0 0 3px rgba(122, 181, 140, 0.40);
  --selection-bg: rgba(229, 143, 97, 0.35);
}

html {
  background: var(--bg);
  color: var(--fg-1);
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01" on, "ss02" on, "cv01" on, "cv02" on;
}

body {
  background: var(--bg);
  color: var(--fg-1);
}

::selection {
  background: var(--selection-bg);
  color: var(--fg-1);
}

#site-header {
  position: sticky;
  top: 0;
  height: var(--header-height);
  background: color-mix(in srgb, var(--bg) 84%, transparent);
  border-bottom: 1px solid var(--border);
  box-shadow: none;
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.header-inner {
  max-width: var(--content-bleed);
  margin: 0 auto;
  padding: 0 var(--space-xl);
  gap: var(--space-lg);
}

.brand-logo-img {
  height: 30px;
}

.brand-title {
  color: var(--fg-1);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.brand-subtitle {
  display: none;
}

.header-divider {
  height: 22px;
  background: var(--border-strong);
}

.header-product {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 400;
  color: var(--fg-1);
  letter-spacing: -0.02em;
  line-height: 1;
  white-space: nowrap;
  flex-shrink: 0;
}

.header-nav {
  gap: 2px;
  margin-left: var(--space-md);
  min-width: 0;
}

.nav-pill {
  border: 0;
  border-radius: var(--radius-lg);
  padding: 7px 8px;
  color: var(--fg-2);
  background: transparent;
  font-size: 13px;
  font-weight: 500;
}

.nav-pill:hover {
  background: var(--bg-soft);
  color: var(--fg-1);
}

.nav-pill.active {
  background: var(--brand-soft);
  color: var(--brand);
}

.theme-switcher {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  margin-left: auto;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--surface);
  box-shadow: var(--shadow-xs);
}

.theme-option {
  height: 28px;
  padding: 0 7px;
  border: 0;
  border-radius: var(--r-sm);
  background: transparent;
  color: var(--fg-3);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.theme-option:hover {
  background: var(--bg-soft);
  color: var(--fg-1);
}

.theme-option.active {
  background: var(--brand);
  color: var(--on-brand);
}

#layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  width: 100%;
  max-width: var(--content-bleed);
  margin: 0 auto;
  min-height: calc(100vh - var(--header-height));
}

#sidebar {
  width: auto;
  background: transparent;
  border-right: 1px solid var(--border);
  top: var(--header-height);
  height: calc(100vh - var(--header-height));
}

.sidebar-inner {
  padding: var(--space-lg) var(--space-md) var(--space-lg) var(--space-lg);
}

.sidebar-section {
  border-bottom: 0;
  margin-bottom: 1px;
}

.sidebar-section {
  --section-color: var(--fg-3);
}

#nav-home,
#nav-foundation,
#nav-protection,
#nav-baseline {
  --section-color: var(--brand);
}

#nav-data-readiness,
#nav-optimise {
  --section-color: var(--accent);
}

#nav-deployment,
#nav-permissions,
#nav-resources {
  --section-color: var(--info);
}

#nav-configuration-extensions {
  --section-color: var(--warning);
}

#nav-copilot-governance,
#nav-scripts {
  --section-color: var(--fg-3);
}

.sidebar-section-header {
  border-radius: var(--radius-lg);
  padding: 8px 10px;
  color: var(--fg-2);
}

.sidebar-home-link {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  margin: 0 0 1px;
  border: 0;
  border-radius: var(--radius-lg);
  padding: 8px 10px;
  background: transparent;
  color: var(--fg-2);
  font-family: var(--font-sans);
  cursor: pointer;
  text-align: left;
}

.sidebar-section-header:hover,
.sidebar-home-link:hover {
  background: var(--bg-soft);
  color: var(--fg-1);
}

.sidebar-home-link.active {
  background: var(--brand-soft);
  color: var(--brand);
}

.section-icon {
  color: var(--section-color);
  opacity: 1;
}

.section-label {
  color: currentColor;
  font-size: 14px;
  font-weight: 400;
}

.chevron {
  color: var(--fg-4);
}

.sidebar-items {
  padding: 2px 0 7px;
}

.nav-item {
  border-radius: var(--radius-md);
  margin: 1px 0;
  padding: 8px 10px 8px 36px;
  color: var(--fg-2);
  font-size: 14px;
  font-weight: 400;
}

.nav-item::before {
  left: 18px;
  width: 4px;
  height: 4px;
  background: var(--fg-4);
}

.nav-item:hover {
  background: var(--bg-soft);
  color: var(--fg-1);
}

.nav-item.active {
  background: var(--brand-soft);
  color: var(--brand);
  font-weight: 400;
}

.nav-item.active::before {
  background: var(--brand);
}

#content-area {
  padding: var(--space-2xl) var(--space-3xl) var(--space-3xl);
  background: var(--bg);
}

#content-inner {
  max-width: 1100px;
  margin: 0;
}

#page-content {
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  padding: 0;
}

#page-content h1 {
  font-size: var(--fs-4xl);
  line-height: var(--lh-tight);
  color: var(--fg-1);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-lg);
}

#page-content h1 em {
  color: var(--brand);
  font-style: italic;
}

#page-content strong,
#page-content a {
  color: var(--brand);
}

#page-content h2 {
  font-size: var(--fs-3xl);
  line-height: var(--lh-snug);
  color: var(--fg-1);
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: var(--space-12);
  letter-spacing: -0.02em;
}

#page-content h3 {
  color: var(--fg-1);
  font-size: var(--fs-xl);
  letter-spacing: var(--tracking-tight);
}

#page-content p,
#page-content li {
  color: var(--fg-2);
  font-size: 16px;
  line-height: var(--lh-loose);
}

#page-content p {
  max-width: 68ch;
}

#page-content .page-source-badge,
.hero-tagline {
  color: var(--fg-3);
  background: transparent;
  border: 0;
  padding: 0;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
}

.hero-section {
  text-align: left;
  padding: 0;
  border-bottom: 0;
  margin-bottom: var(--space-xl);
}

.hero-logo {
  display: none;
}

#page-content .hero-section h1 {
  font-size: clamp(56px, 5.4vw, 88px);
  line-height: var(--lh-tight);
  color: var(--fg-1);
  -webkit-text-fill-color: currentColor;
  letter-spacing: var(--tracking-tight);
  max-width: 860px;
}

#page-content .hero-section h1 em {
  color: var(--brand);
}

#page-content .hero-section p {
  margin: 0;
  max-width: 60ch;
  color: var(--fg-2);
  font-size: var(--fs-md);
  font-weight: var(--fw-light);
  line-height: var(--lh-loose);
}

.source-grid {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-md);
  margin: var(--space-xl) 0 var(--space-3xl);
}

.source-card,
.phase-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: none;
}

.source-card {
  min-height: 152px;
  padding: var(--space-lg);
}

.source-card:hover,
.phase-card:hover {
  background: var(--surface);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.source-card-icon svg {
  width: 34px;
  height: 34px;
}

.source-card-title {
  color: var(--fg-1);
  font-size: 16px;
  font-weight: 600;
}

.source-card-desc {
  color: var(--fg-2);
  font-size: 14px;
}

.topic-tag {
  background: var(--accent-soft);
  color: var(--accent-hover);
}

:is(.tag-tertiary, .tag-governance, .tag-baseline),
.tag-copilot-governance {
  background: var(--brand-soft);
  color: var(--brand);
}

:is(.tag-secondary, .tag-purview) {
  background: var(--info-soft);
  color: var(--info);
}

.topic-tag,
.label-badge,
.family-code {
  border-radius: var(--radius-sm);
}

blockquote,
#page-content blockquote {
  background: transparent;
  border: 0;
  border-left: 2px solid var(--brand);
  border-radius: 0;
  padding: 0 0 0 var(--space-lg);
}

#page-content blockquote p {
  color: var(--fg-1);
  font-family: var(--font-display);
  font-size: 24px;
  line-height: 1.2;
}

#site-footer {
  height: auto;
  background: transparent;
  border-top: 1px solid var(--border);
  color: var(--fg-2);
}

.footer-inner {
  max-width: var(--content-bleed);
  margin: 0 auto;
  padding: var(--space-xl);
}

.footer-copy {
  color: var(--fg-2);
}

.footer-note {
  color: var(--fg-3);
}

.footer-note em,
.footer-tagline {
  color: var(--brand);
}

[data-theme="dark"] .brand-logo-img,
[data-theme="dark"] .hero-logo img {
  filter: brightness(1.65) saturate(0.78);
}

[data-theme="dark"] .source-card-icon svg circle[fill="#14171B"] {
  fill: var(--surface-2);
}

#scroll-progress {
  top: var(--header-height);
  height: 2px;
}

@media (max-width: 900px) {
  .theme-switcher {
    margin-left: auto;
  }

  #layout {
    display: flex;
    max-width: none;
  }

  #sidebar {
    background: color-mix(in srgb, var(--bg) 92%, white);
  }

  #content-area {
    padding: var(--space-xl) var(--space-md) var(--space-2xl);
  }
}

@media (max-width: 600px) {
  html,
  body,
  #layout,
  #content-area,
  #content-inner,
  #page-content {
    max-width: 100%;
    min-width: 0;
    overflow-x: hidden;
  }

  #content-inner {
    width: 100%;
    max-width: min(100%, 358px);
    margin: 0;
  }

  .header-inner {
    padding: 0 var(--space-md);
    gap: var(--space-sm);
  }

  .theme-switcher {
    display: none;
  }

  #page-content h1 {
    font-size: 38px;
  }

  #page-content h2 {
    font-size: 28px;
  }

  #page-content .hero-section h1 {
    font-size: 42px;
    max-width: 100%;
  }

  .hero-tagline,
  #page-content p,
  #page-content li {
    max-width: min(100%, 358px);
    overflow-wrap: break-word;
  }

  .source-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: var(--space-sm);
  }
}