/* ============================================================
   Indonesia WtE Platform — Web presentation stylesheet
   Theme: white background · black text · green #2E7D32 accents
   Type: Calibri (sans-serif fallbacks)
   Mobile-first responsive layout
   ============================================================ */

:root {
  --green: #2E7D32;
  --green-dark: #1B5E20;
  --green-light: #E8F5E9;
  --black: #000000;
  --grey-900: #1a1a1a;
  --grey-700: #4a4a4a;
  --grey-500: #7a7a7a;
  --grey-300: #cccccc;
  --grey-100: #f5f5f5;
  --white: #ffffff;
  --max-width: 920px;
  --topbar-h: 60px;
  --sidebar-w: 260px;
  --font: Calibri, "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --touch-target: 44px;
}

/* ---------- reset + base ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font);
  color: var(--black);
  background: var(--white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
a {
  color: var(--green);
  text-decoration: none;
  -webkit-tap-highlight-color: rgba(46, 125, 50, 0.15);
}
a:hover { color: var(--green-dark); text-decoration: underline; }
img { max-width: 100%; height: auto; }
button {
  font-family: inherit;
  cursor: pointer;
  -webkit-tap-highlight-color: rgba(46, 125, 50, 0.15);
}

/* ---------- top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 2px solid var(--green);
  min-height: var(--topbar-h);
}
.topbar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 28px;
  min-height: var(--topbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--black);
  padding: 8px 0;
  min-height: var(--touch-target);
}
.brand:hover { text-decoration: none; color: var(--black); }
.brand-mark {
  display: inline-block;
  width: 14px; height: 14px;
  background: var(--green);
  border-radius: 2px;
  flex-shrink: 0;
}
.brand-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  font-weight: 700;
  font-size: 0.92rem;
  line-height: 1.1;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.brand-line { display: block; }

/* hamburger toggle — visible only on small screens */
.nav-toggle {
  display: none;
  width: var(--touch-target);
  height: var(--touch-target);
  background: transparent;
  border: 1px solid var(--grey-300);
  border-radius: 4px;
  padding: 10px;
  flex-direction: column;
  justify-content: space-between;
  align-items: stretch;
}
.nav-toggle-bar {
  display: block;
  height: 2px;
  background: var(--green-dark);
  border-radius: 1px;
  transition: transform 0.2s, opacity 0.2s;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.topnav { display: flex; gap: 4px; align-items: center; }
.topnav a {
  color: var(--grey-700);
  font-size: 0.92rem;
  padding: 10px 12px;
  border-radius: 3px;
  font-weight: 500;
  min-height: var(--touch-target);
  display: inline-flex;
  align-items: center;
}
.topnav a:hover {
  color: var(--green-dark);
  background: var(--grey-100);
  text-decoration: none;
}
.topnav a.active {
  color: var(--green-dark);
  background: var(--green-light);
  font-weight: 600;
}

/* ---------- layout shell ---------- */
.layout {
  display: flex;
  max-width: 1280px;
  margin: 0 auto;
  align-items: flex-start;
  min-height: calc(100vh - var(--topbar-h) - 100px);
}

/* ---------- sidebar ---------- */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  padding: 32px 16px 32px 28px;
  position: sticky;
  top: var(--topbar-h);
  max-height: calc(100vh - var(--topbar-h));
  overflow-y: auto;
}
.sidebar-toggle {
  display: none;
}
.sidebar-title {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--grey-700);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--grey-300);
}
.sidebar-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.sidebar-list li a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 3px;
  color: var(--grey-700);
  font-size: 0.92rem;
  border-left: 3px solid transparent;
  min-height: var(--touch-target);
}
.sidebar-list li a:hover {
  background: var(--grey-100);
  color: var(--black);
  text-decoration: none;
}
.sidebar-list li.active a {
  background: var(--green-light);
  color: var(--green-dark);
  border-left-color: var(--green);
  font-weight: 600;
}
.sidebar-num {
  font-size: 0.75rem;
  color: var(--grey-500);
  font-weight: 600;
  min-width: 36px;
  flex-shrink: 0;
}
.sidebar-list li.active .sidebar-num { color: var(--green-dark); }
.sidebar-label { flex: 1; word-break: break-word; }

/* ---------- content ---------- */
.content {
  flex: 1;
  min-width: 0;
  padding: 32px 28px 48px 28px;
  max-width: var(--max-width);
}
.content-wide { max-width: 100%; margin: 0 auto; }

/* ---------- breadcrumb ---------- */
.breadcrumb {
  font-size: 0.85rem;
  color: var(--grey-500);
  margin-bottom: 20px;
  word-break: break-word;
  line-height: 1.7;
}
.breadcrumb a { color: var(--grey-700); }
.breadcrumb a:hover { color: var(--green-dark); }
.bc-sep { margin: 0 8px; color: var(--grey-300); }
.bc-current { color: var(--black); font-weight: 600; }

/* ---------- step content (markdown rendered) ---------- */
.step { font-size: 1rem; }
.step h1 {
  font-size: 1.85rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
  border-bottom: 3px solid var(--green);
  padding-bottom: 14px;
  word-wrap: break-word;
}
.step h2 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-top: 36px;
  margin-bottom: 14px;
  color: var(--black);
  word-wrap: break-word;
}
.step h2::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 1em;
  background: var(--green);
  margin-right: 10px;
  vertical-align: -2px;
}
.step h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-top: 24px;
  margin-bottom: 10px;
  color: var(--grey-900);
}
.step h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-top: 18px;
  margin-bottom: 8px;
}
.step p { margin: 12px 0; word-wrap: break-word; overflow-wrap: break-word; }
.step ul, .step ol { margin: 12px 0 12px 24px; }
.step li { margin: 4px 0; word-wrap: break-word; }
.step li > ul, .step li > ol { margin-top: 4px; margin-bottom: 4px; }
.step strong { font-weight: 700; color: var(--black); }
.step em { font-style: italic; }
.step code {
  font-family: "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.92em;
  background: var(--grey-100);
  padding: 2px 6px;
  border-radius: 3px;
  word-break: break-all;
}
.step pre {
  background: var(--grey-100);
  padding: 16px;
  border-radius: 4px;
  overflow-x: auto;
  border-left: 3px solid var(--green);
  font-size: 0.88rem;
  margin: 16px 0;
  -webkit-overflow-scrolling: touch;
}
.step pre code { background: none; padding: 0; word-break: normal; }
.step blockquote {
  border-left: 3px solid var(--green);
  padding: 4px 0 4px 18px;
  margin: 16px 0;
  color: var(--grey-700);
  font-style: italic;
}
.step hr { border: 0; border-top: 1px solid var(--grey-300); margin: 32px 0; }

/* tables — scrollable on small screens */
.step table,
.slide-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
  font-size: 0.92rem;
}
.step th, .step td,
.slide-body th, .slide-body td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--grey-300);
  vertical-align: top;
}
.step th,
.slide-body th {
  background: var(--green-light);
  font-weight: 700;
  color: var(--green-dark);
  border-bottom: 2px solid var(--green);
}
.step tr:last-child td { border-bottom: none; }

/* Auto-wrap wide tables in scrollable container via container query feel —
   actual wrap is applied by markdown rendering surrounding table with .table-scroll,
   but we also add overflow handling at the step level for in-line tables */
.step,
.slide-body {
  /* horizontal scrolling for child tables that would otherwise overflow */
}

/* ---------- pager ---------- */
.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--grey-300);
}
.pager a {
  display: block;
  padding: 14px 18px;
  border: 1px solid var(--grey-300);
  border-radius: 4px;
  color: var(--black);
  transition: border-color 0.15s, background 0.15s;
  min-height: var(--touch-target);
}
.pager a:hover {
  border-color: var(--green);
  background: var(--green-light);
  text-decoration: none;
}
.pager-prev { text-align: left; }
.pager-next { text-align: right; }
.pager-dir {
  display: block;
  font-size: 0.78rem;
  color: var(--green);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}
.pager-label {
  display: block;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--black);
  word-wrap: break-word;
}

/* ---------- footer ---------- */
.sitefoot {
  background: var(--grey-100);
  border-top: 1px solid var(--grey-300);
  margin-top: 48px;
  padding: 22px 16px 26px;
  font-size: 0.85rem;
  color: var(--grey-700);
}
.sitefoot-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 12px;
  text-align: center;
  line-height: 1.75;
}
.sitefoot-line {
  margin: 4px 0;
}
.sitefoot-tagline {
  font-weight: 500;
  color: var(--grey-700);
}
.sitefoot-legal {
  font-size: 0.78rem;
  color: var(--grey-500);
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--grey-300);
}
.sitefoot-legal a {
  color: var(--green-dark);
  text-decoration: underline;
}
.sitefoot-legal a:hover { color: var(--green); }
.sitefoot-copy { font-weight: 600; color: var(--grey-700); }
.sitefoot-sep { margin: 0 8px; color: var(--grey-300); }

/* ---------- floating action buttons (Home + Back-to-Top) ---------- */
.fab-stack {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none; /* container ignores clicks; children re-enable */
}
.fab {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--green);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 0;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.18), 0 1px 2px rgba(0, 0, 0, 0.08);
  cursor: pointer;
  transition: background 0.15s, transform 0.15s, opacity 0.2s, visibility 0.2s;
  pointer-events: auto;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}
.fab:hover {
  background: var(--green-dark);
  color: var(--white);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.22), 0 1px 2px rgba(0, 0, 0, 0.08);
}
.fab:focus-visible {
  outline: 3px solid var(--green-light);
  outline-offset: 2px;
}
.fab:active { transform: translateY(0); }
.fab svg { width: 20px; height: 20px; display: block; }

/* Back-to-Top: hidden until scrolled */
.fab-back-to-top {
  opacity: 0;
  visibility: hidden;
}
.fab-back-to-top.show {
  opacity: 1;
  visibility: visible;
}

/* ============================================================
   EXECUTIVE READ — hero + download actions
   ============================================================ */
.exec-hero {
  padding: 36px 0 28px 0;
  border-bottom: 1px solid var(--grey-300);
  margin-bottom: 32px;
}
.exec-hero-eyebrow {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.exec-hero-title {
  font-size: 2.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 14px;
}
.exec-hero-tag {
  font-size: 1.05rem;
  color: var(--grey-700);
  max-width: 720px;
  margin-bottom: 26px;
}
.exec-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}
.btn-download, .btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  border: 0;
  transition: background 0.15s, transform 0.15s, box-shadow 0.15s;
  min-height: var(--touch-target);
}
.btn-download {
  background: var(--green);
  color: var(--white);
  border: 1px solid var(--green);
  box-shadow: 0 2px 4px rgba(46, 125, 50, 0.2);
}
.btn-download:hover {
  background: var(--green-dark);
  color: var(--white);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(46, 125, 50, 0.28);
}
.btn-download svg { width: 18px; height: 18px; }
.btn-secondary {
  background: var(--white);
  color: var(--green-dark);
  border: 1px solid var(--grey-300);
}
.btn-secondary:hover {
  border-color: var(--green);
  background: var(--green-light);
  color: var(--green-dark);
  text-decoration: none;
}
.btn-secondary svg { width: 18px; height: 18px; }

/* Executive Read body — slightly tighter than step pages */
.exec-body h1 { display: none; }  /* hero already shows the title */
.exec-body > p:first-of-type {
  font-size: 1.05rem;
  color: var(--grey-700);
  font-weight: 500;
  border-left: 3px solid var(--green);
  padding: 6px 0 6px 14px;
  margin-bottom: 24px;
}
.exec-body hr:first-of-type { display: none; }

/* ============================================================
   HOME PAGE
   ============================================================ */
.hero {
  padding: 48px 0 32px 0;
  border-bottom: 1px solid var(--grey-300);
  margin-bottom: 36px;
}
.hero-title {
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  line-height: 1.15;
  word-wrap: break-word;
}
.hero-tag {
  font-size: 1.1rem;
  color: var(--grey-700);
  max-width: 720px;
  margin-bottom: 32px;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 28px;
}
.stat {
  padding: 18px 20px;
  border-left: 3px solid var(--green);
  background: var(--grey-100);
  border-radius: 0 4px 4px 0;
}
.stat-num {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--green-dark);
  letter-spacing: -0.01em;
  word-wrap: break-word;
}
.stat-lbl {
  display: block;
  font-size: 0.85rem;
  color: var(--grey-700);
  margin-top: 4px;
}

.featured-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 18px;
  margin-top: 36px;
}
.featured-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 28px 30px;
  border-radius: 6px;
  color: var(--black);
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
  min-height: 220px;
}
.featured-card:hover {
  text-decoration: none;
  color: var(--black);
  transform: translateY(-2px);
}
.featured-primary {
  background: var(--green);
  color: var(--white);
  border: 1px solid var(--green);
  box-shadow: 0 4px 14px rgba(46, 125, 50, 0.22);
}
.featured-primary:hover {
  background: var(--green-dark);
  color: var(--white);
  box-shadow: 0 6px 20px rgba(46, 125, 50, 0.32);
}
.featured-secondary {
  background: var(--white);
  border: 1px solid var(--grey-300);
}
.featured-secondary:hover {
  border-color: var(--green);
  box-shadow: 0 4px 12px rgba(46, 125, 50, 0.12);
}
.featured-card-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 14px;
}
.featured-tag {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.featured-primary .featured-tag { color: rgba(255,255,255,0.92); }
.featured-secondary .featured-tag { color: var(--green); }
.featured-count {
  font-size: 0.82rem;
}
.featured-primary .featured-count { color: rgba(255,255,255,0.85); }
.featured-secondary .featured-count { color: var(--grey-500); }
.featured-card-title {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 4px 0 12px 0;
}
.featured-card-summary {
  font-size: 1rem;
  line-height: 1.55;
  margin-bottom: 18px;
  flex: 1;
}
.featured-primary .featured-card-summary { color: rgba(255,255,255,0.92); }
.featured-secondary .featured-card-summary { color: var(--grey-700); }
.featured-card-cta {
  display: inline-block;
  font-size: 0.92rem;
  font-weight: 600;
  padding-top: 6px;
  border-top: 1px solid currentColor;
  padding-top: 10px;
  margin-top: 6px;
}
.featured-primary .featured-card-cta {
  color: var(--white);
  border-top-color: rgba(255,255,255,0.35);
}
.featured-secondary .featured-card-cta {
  color: var(--green-dark);
  border-top-color: var(--grey-300);
}

/* Working documentation section */
.phase-grid-section {
  margin-top: 48px;
  padding-top: 36px;
  border-top: 1px solid var(--grey-300);
}
.section-heading {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--black);
}
.section-tag {
  font-size: 0.95rem;
  color: var(--grey-700);
  margin-bottom: 24px;
}

.phase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.phase-card {
  display: block;
  padding: 24px 26px;
  border: 1px solid var(--grey-300);
  border-radius: 4px;
  color: var(--black);
  background: var(--white);
  transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s;
  min-height: var(--touch-target);
}
.phase-card:hover {
  border-color: var(--green);
  text-decoration: none;
  color: var(--black);
  box-shadow: 0 4px 12px rgba(46, 125, 50, 0.12);
}
.phase-card-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
  gap: 10px;
}
.phase-num {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.phase-count {
  font-size: 0.82rem;
  color: var(--grey-500);
}
.phase-card-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
  word-wrap: break-word;
}
.phase-card-tag {
  font-size: 0.95rem;
  color: var(--grey-700);
  line-height: 1.5;
}

.home-meta {
  margin-top: 48px;
  padding: 24px 28px;
  background: var(--grey-100);
  border-left: 3px solid var(--green);
  border-radius: 0 4px 4px 0;
}
.meta-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 16px;
  padding: 10px 0;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--grey-300);
}
.meta-row:last-child { border-bottom: none; }
.meta-label { font-weight: 700; color: var(--grey-700); }
.meta-value { color: var(--black); }

/* ============================================================
   PHASE LANDING
   ============================================================ */
.phase-hero {
  padding: 32px 0 24px 0;
  border-bottom: 1px solid var(--grey-300);
  margin-bottom: 32px;
}
.phase-hero-eyebrow {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}
.phase-hero-title {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  word-wrap: break-word;
}
.phase-hero-tag {
  font-size: 1.05rem;
  color: var(--grey-700);
  max-width: 720px;
}

.step-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.step-card {
  display: block;
  padding: 20px 22px;
  border: 1px solid var(--grey-300);
  border-radius: 4px;
  color: var(--black);
  background: var(--white);
  transition: border-color 0.15s, box-shadow 0.15s;
  min-height: var(--touch-target);
}
.step-card:hover {
  border-color: var(--green);
  text-decoration: none;
  color: var(--black);
  box-shadow: 0 4px 10px rgba(46, 125, 50, 0.1);
}
.step-card-num {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}
.step-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--black);
  word-wrap: break-word;
}
.step-card-summary {
  font-size: 0.9rem;
  color: var(--grey-700);
  line-height: 1.5;
}

/* phase 4 slide grid — denser */
.phase4 .step-grid {
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.phase4 .step-card { padding: 14px 16px; }
.phase4 .step-card-title { font-size: 1rem; }

/* ============================================================
   SLIDE PAGE
   ============================================================ */
.slide-meta {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--grey-500);
  padding-bottom: 14px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--grey-300);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}
.slide-section { color: var(--green); }

.slide-page {
  padding: 8px 0;
}

/* Slide image (faithful render of the pptx slide) */
.slide-image-wrap {
  margin: 0 0 24px 0;
  text-align: center;
}
.slide-image {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--grey-300);
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}
.slide-image-caption {
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--grey-500);
  font-style: italic;
}

/* Transcript disclosure — collapsed by default, expanded on demand */
.slide-transcript {
  margin: 18px 0;
  border: 1px solid var(--grey-300);
  border-radius: 4px;
  padding: 0;
}
.slide-transcript summary {
  padding: 12px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--grey-700);
  cursor: pointer;
  user-select: none;
  background: var(--grey-100);
  border-radius: 4px;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
.slide-transcript summary::-webkit-details-marker { display: none; }
.slide-transcript summary::before {
  content: "▸";
  display: inline-block;
  font-size: 0.7rem;
  color: var(--green);
  transition: transform 0.15s;
}
.slide-transcript[open] summary::before {
  transform: rotate(90deg);
}
.slide-transcript[open] summary {
  border-radius: 4px 4px 0 0;
  border-bottom: 1px solid var(--grey-300);
}
.slide-transcript .slide-body {
  padding: 16px 18px 20px;
}
.slide-eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
  word-wrap: break-word;
}
.slide-title {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
  line-height: 1.2;
  border-bottom: 3px solid var(--green);
  padding-bottom: 14px;
  word-wrap: break-word;
}
.slide-subtitle {
  font-size: 1.1rem;
  color: var(--grey-700);
  margin-bottom: 28px;
  margin-top: 12px;
}
.slide-footer-note {
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px dashed var(--grey-300);
  font-size: 0.82rem;
  color: var(--grey-500);
  font-style: italic;
}
.slide-body {
  font-size: 1rem;
  line-height: 1.6;
}
.slide-body h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 28px 0 12px;
  color: var(--green-dark);
}
.slide-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 18px 0 8px;
}
.slide-body p { margin: 10px 0; word-wrap: break-word; }
.slide-body ul, .slide-body ol { margin: 10px 0 10px 24px; }
.slide-body li { margin: 4px 0; word-wrap: break-word; }
.slide-bullets {
  list-style: none;
  margin-left: 0;
}
.slide-bullets > li {
  padding: 8px 0 8px 22px;
  position: relative;
  border-bottom: 1px solid var(--grey-100);
}
.slide-bullets > li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 16px;
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 1px;
}
.slide-bullets > li:last-child { border-bottom: none; }

/* ============================================================
   RESPONSIVE — TABLET (≤1024px): collapse layout to single column
   ============================================================ */
@media (max-width: 1024px) {
  .layout {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
    position: static;
    max-height: none;
    padding: 16px 24px;
    border-bottom: 1px solid var(--grey-300);
  }
  /* Show toggle button, hide title (toggle button doubles as title) */
  .sidebar-toggle {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    background: transparent;
    border: 0;
    padding: 6px 0;
    min-height: var(--touch-target);
    color: var(--grey-700);
    text-align: left;
  }
  .sidebar-toggle-label {
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
  }
  .sidebar-toggle-icon {
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--green);
    line-height: 1;
    transition: transform 0.2s;
  }
  .sidebar-toggle[aria-expanded="true"] .sidebar-toggle-icon {
    transform: rotate(45deg);
  }
  .sidebar-title { display: none; }
  .sidebar-list {
    display: none;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--grey-300);
  }
  .sidebar-list.open {
    display: flex;
    flex-direction: column;
  }
  .content { max-width: 100%; padding: 24px 28px; }
}

/* ============================================================
   RESPONSIVE — MOBILE (≤768px): hamburger nav, denser layout
   ============================================================ */
@media (max-width: 768px) {
  :root {
    --topbar-h: 56px;
  }
  body { font-size: 16px; line-height: 1.5; }
  .topbar-inner {
    padding: 0 16px;
    gap: 12px;
  }
  .brand-text { display: none; }
  .nav-toggle { display: flex; }
  .topnav {
    display: none;
    position: absolute;
    top: var(--topbar-h);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--white);
    border-bottom: 2px solid var(--green);
    border-top: 1px solid var(--grey-300);
    padding: 8px 16px 16px;
    gap: 0;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08);
    max-height: calc(100vh - var(--topbar-h));
    overflow-y: auto;
  }
  .topnav.open {
    display: flex;
  }
  .topnav a {
    padding: 14px 12px;
    font-size: 1rem;
    border-radius: 4px;
    width: 100%;
    border-bottom: 1px solid var(--grey-100);
    min-height: var(--touch-target);
  }
  .topnav a:last-child { border-bottom: none; }

  .sidebar {
    padding: 12px 20px;
  }
  .content { padding: 20px 20px 32px; }

  .breadcrumb { font-size: 0.82rem; margin-bottom: 16px; }
  .bc-sep { margin: 0 6px; }

  /* Step content typography for mobile */
  .step h1 { font-size: 1.55rem; padding-bottom: 12px; }
  .step h2 { font-size: 1.2rem; margin-top: 28px; }
  .step h2::before { margin-right: 8px; }
  .step h3 { font-size: 1.05rem; margin-top: 20px; }
  .step p, .step li { font-size: 0.98rem; }
  .step ul, .step ol { margin-left: 20px; }

  /* Tables — horizontal scroll on overflow */
  .step table, .slide-body table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    font-size: 0.85rem;
  }
  .step th, .step td,
  .slide-body th, .slide-body td {
    padding: 8px 10px;
    white-space: normal;
  }

  /* Home page mobile */
  .hero { padding: 28px 0 20px; margin-bottom: 24px; }
  .hero-title { font-size: 1.6rem; line-height: 1.2; margin-bottom: 12px; }
  .hero-tag { font-size: 1rem; margin-bottom: 24px; }
  .hero-stats {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .stat { padding: 14px 14px; }
  .stat-num { font-size: 1.25rem; }
  .stat-lbl { font-size: 0.8rem; }

  .featured-grid {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-top: 24px;
  }
  .featured-card { min-height: auto; padding: 22px 22px; }
  .featured-card-title { font-size: 1.45rem; }

  .phase-grid-section { margin-top: 36px; padding-top: 28px; }
  .section-heading { font-size: 1.15rem; }
  .phase-grid {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 16px;
  }
  .phase-card { padding: 18px 18px; }
  .phase-card-title { font-size: 1.25rem; }

  /* Executive Read mobile */
  .exec-hero { padding: 24px 0 20px; margin-bottom: 24px; }
  .exec-hero-title { font-size: 1.5rem; }
  .exec-hero-tag { font-size: 0.98rem; margin-bottom: 20px; }
  .exec-hero-actions { gap: 10px; }
  .btn-download, .btn-secondary { padding: 11px 16px; font-size: 0.9rem; flex: 1; justify-content: center; }

  .home-meta { padding: 16px 18px; margin-top: 32px; }
  .meta-row {
    grid-template-columns: 1fr;
    gap: 2px;
    padding: 12px 0;
    font-size: 0.92rem;
  }
  .meta-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--green-dark);
  }

  /* Phase landing mobile */
  .phase-hero { padding: 20px 0 18px; margin-bottom: 24px; }
  .phase-hero-title { font-size: 1.55rem; }
  .phase-hero-tag { font-size: 0.98rem; }

  .step-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .step-card { padding: 16px 18px; }
  .phase4 .step-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .phase4 .step-card { padding: 12px 14px; }
  .phase4 .step-card-title { font-size: 0.92rem; line-height: 1.3; }
  .phase4 .step-card-summary { font-size: 0.78rem; }

  /* Slide page mobile */
  .slide-meta {
    font-size: 0.72rem;
    padding-bottom: 12px;
    margin-bottom: 18px;
  }
  .slide-eyebrow { font-size: 0.72rem; }
  .slide-title { font-size: 1.45rem; padding-bottom: 12px; }
  .slide-subtitle { font-size: 1rem; margin-bottom: 22px; }
  .slide-body { font-size: 0.96rem; }
  .slide-body h2 { font-size: 1.1rem; margin: 22px 0 10px; }
  .slide-body h3 { font-size: 1rem; }
  .slide-bullets > li { padding: 8px 0 8px 18px; }
  .slide-bullets > li::before { left: 2px; top: 14px; width: 7px; height: 7px; }
  .slide-footer-note { font-size: 0.78rem; margin-top: 24px; }

  /* Pager mobile */
  .pager {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 32px;
  }
  .pager a { padding: 12px 14px; }
  .pager-prev, .pager-next { text-align: left; }
  .pager-label { font-size: 0.92rem; }

  /* Footer mobile */
  .sitefoot { padding: 18px 12px 22px; font-size: 0.8rem; }
  .sitefoot-inner { line-height: 1.6; }
  .sitefoot-tagline .sitefoot-sep { display: none; }
  .sitefoot-tagline { line-height: 1.5; }
  .sitefoot-legal { font-size: 0.74rem; line-height: 1.7; }
  .sitefoot-legal .sitefoot-sep { margin: 0 6px; }

  /* FABs mobile — slightly smaller, raised to avoid bottom-nav overlap */
  .fab-stack {
    right: 14px;
    bottom: 14px;
    gap: 8px;
  }
  .fab {
    width: 44px;
    height: 44px;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.2);
  }
  .fab svg { width: 18px; height: 18px; }
}

/* ============================================================
   RESPONSIVE — SMALL MOBILE (≤480px): tightest layout
   ============================================================ */
@media (max-width: 480px) {
  .content { padding: 16px 16px 28px; }
  .sidebar { padding: 10px 16px; }
  .topbar-inner { padding: 0 12px; }
  .hero-title { font-size: 1.4rem; }
  .hero-stats { grid-template-columns: 1fr; }
  .stat { padding: 12px 14px; }
  .phase-hero-title { font-size: 1.35rem; }
  .phase4 .step-grid { grid-template-columns: 1fr; }
  .slide-title { font-size: 1.3rem; }
  .step h1 { font-size: 1.4rem; }
}

/* ============================================================
   PRINT
   ============================================================ */
@media print {
  body { color: #000; background: #fff; font-size: 11pt; }
  .topbar, .sidebar, .pager, .sitefoot, .breadcrumb, .nav-toggle, .sidebar-toggle, .fab-stack { display: none !important; }
  .layout, .content { display: block; max-width: 100%; padding: 0; margin: 0; }
  a { color: #000; text-decoration: none; }
  .step h1, .slide-title { page-break-before: always; border-bottom: 2px solid #000; }
  .step h1:first-of-type, .slide-title:first-of-type { page-break-before: avoid; }
  .step h2, .step h3, .slide-body h2, .slide-body h3 { page-break-after: avoid; }
  .step table, .slide-body table { page-break-inside: avoid; display: table; overflow: visible; white-space: normal; }
  .step th, .slide-body th { background: #f0f0f0; color: #000; border-bottom: 1px solid #000; }
  .stat, .home-meta, .phase-card, .step-card { border: 1px solid #ccc; background: #fff; }
  .stat-num { color: #000; }
}