/* =========================================================
   Design tokens
   ========================================================= */
:root {
  --bg: #FBFAF5;
  --bg-elevated: #FFFFFF;
  --bg-alt: #F4F1E9;
  --bg-dark: #141413;

  --text: #141413;
  --text-muted: #4A4740;
  --text-subtle: #8A867D;
  --text-inverse: #FBFAF5;

  --accent: #2D4A3E;
  --accent-hover: #1F3428;
  --accent-bg: #E8EFE9;
  --accent-faint: #F0F4F0;

  --highlight: #B85C38;
  --highlight-bg: #F9E8DE;

  --warn: #A8803A;
  --warn-bg: #F5EDD9;

  --border: #E5E2DA;
  --border-strong: #C8C4B9;

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 18px;

  --shadow-sm: 0 1px 2px rgba(20, 20, 19, 0.04);
  --shadow: 0 4px 20px rgba(20, 20, 19, 0.06);
  --shadow-lg: 0 24px 48px -12px rgba(20, 20, 19, 0.12);

  --font-display: 'Fraunces', 'Georgia', serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-quick: cubic-bezier(0.4, 0, 0.2, 1);
}

/* =========================================================
   Reset + base
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

em {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
}

strong { font-weight: 600; color: var(--text); }

ul, ol { margin: 0 0 1em; padding-left: 1.25em; }
li { margin-bottom: 0.5em; }
li > ul { margin-top: 0.5em; }

a { color: var(--accent); }

/* =========================================================
   Top nav
   ========================================================= */
.top-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 250, 245, 0.82);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--border);
}

.top-nav__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 14px 32px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.brand__mark {
  color: var(--accent);
  font-size: 14px;
  transform: rotate(45deg);
  display: inline-block;
}

.view-toggle {
  position: relative;
  display: inline-flex;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px;
  gap: 2px;
}

.toggle-btn {
  position: relative;
  z-index: 2;
  appearance: none;
  background: transparent;
  border: 0;
  padding: 8px 22px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 999px;
  transition: color 0.25s var(--ease-quick);
}

.toggle-btn.is-active { color: var(--text-inverse); }

.toggle-indicator {
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 4px;
  width: calc(50% - 4px);
  background: var(--bg-dark);
  border-radius: 999px;
  transition: transform 0.35s var(--ease);
  z-index: 1;
}

.view-toggle[data-active="slides"] .toggle-indicator { transform: translateX(100%); }

.top-nav__meta {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 12px;
}

.meta-chip {
  font-size: 13px;
  color: var(--text-muted);
  background: var(--bg-alt);
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
}

/* =========================================================
   Views
   ========================================================= */
.view { display: none; }
.view.is-active { display: block; }

.view--slides {
  height: calc(100vh - 64px);
  overflow: hidden;
}

/* =========================================================
   PROPOSAL VIEW
   ========================================================= */

/* Hero */
.hero {
  padding: 96px 32px 72px;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(1200px 400px at 50% -100px, var(--accent-faint), transparent 70%),
    var(--bg);
}

.hero__inner {
  max-width: 920px;
  margin: 0 auto;
}

.hero__eyebrow {
  display: inline-block;
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 24px;
  padding: 6px 12px;
  background: var(--accent-bg);
  border-radius: 999px;
  font-weight: 500;
}

.hero__title {
  font-size: clamp(44px, 6vw, 76px);
  margin: 0 0 24px;
  letter-spacing: -0.035em;
  line-height: 1.02;
}

.hero__lede {
  font-size: 22px;
  color: var(--text-muted);
  max-width: 720px;
  line-height: 1.5;
  font-weight: 300;
  margin-bottom: 56px;
}

.hero__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.hero__meta > div { display: flex; flex-direction: column; gap: 4px; }

.meta-label {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-subtle);
  font-weight: 500;
}

.meta-value { font-size: 16px; color: var(--text); }

/* Sections */
.section { padding: 96px 32px; }
.section--alt { background: var(--bg-alt); }

.section__inner {
  max-width: 920px;
  margin: 0 auto;
}

.section__num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 14px;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  font-weight: 400;
}

.section__title {
  font-size: clamp(32px, 4.2vw, 48px);
  margin: 0 0 20px;
  letter-spacing: -0.025em;
}

.section__lede {
  font-size: 19px;
  color: var(--text-muted);
  max-width: 680px;
  margin-bottom: 48px;
  line-height: 1.55;
}

/* Stack list */
.stack-list {
  list-style: none;
  padding: 0;
  margin: 0 0 40px;
}

.stack-list li {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  font-size: 17px;
  line-height: 1.6;
  color: var(--text-muted);
}

.stack-list li:last-child { border-bottom: 0; }
.stack-list li strong { color: var(--text); }

/* Callouts */
.callout {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 24px;
  padding: 28px 32px;
  background: var(--accent-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  margin: 32px 0;
}

.callout--inline { margin: 32px 0 0; }

.callout--alt {
  background: var(--highlight-bg);
  border-color: #E9CEBF;
}

.callout__label {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 16px;
  color: var(--accent);
  line-height: 1.4;
  align-self: center;
}

.callout--alt .callout__label { color: var(--highlight); }

.callout__body {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
}

/* Idea cards */
.idea-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 20px;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
}

.idea-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: var(--border-strong);
}

.idea-card--feature {
  background: linear-gradient(180deg, #FFFFFF 0%, var(--accent-faint) 100%);
  border: 1px solid var(--accent-bg);
  box-shadow: 0 1px 2px rgba(45, 74, 62, 0.04);
}

.idea-card__header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.idea-card__num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  color: var(--accent);
  flex-shrink: 0;
}

.idea-card--feature .idea-card__num {
  background: var(--accent);
  color: var(--text-inverse);
  border-color: var(--accent);
}

.idea-card__title {
  font-size: 24px;
  margin: 0;
  flex: 1;
  min-width: 240px;
}

.idea-card__body {
  color: var(--text-muted);
  line-height: 1.65;
}

.idea-card__body p { color: var(--text-muted); }
.idea-card__body strong { color: var(--text); }
.idea-card__body ul { padding-left: 1.2em; }

.small-note {
  font-size: 14px;
  color: var(--text-subtle);
  margin-top: 16px;
  line-height: 1.55;
}

/* Tags */
.tag {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 500;
  padding: 5px 11px;
  border-radius: 999px;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.tag--recommended { background: var(--accent-bg); color: var(--accent); }
.tag--optional { background: var(--warn-bg); color: var(--warn); }
.tag--flag { background: #F2E8E6; color: #8A4A3C; }
.tag--phase1 { background: var(--accent); color: var(--text-inverse); }

/* =========================================================
   Two paths — Options grid
   ========================================================= */
.options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 40px 0 32px;
}

.option-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  display: flex;
  flex-direction: column;
}

.option-card--featured {
  background: linear-gradient(180deg, #FFFFFF 0%, var(--accent-faint) 100%);
  border-color: var(--accent-bg);
  box-shadow: 0 12px 40px -8px rgba(45, 74, 62, 0.12);
}

.option-card__header {
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.option-card__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.option-card__label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-bg);
  padding: 5px 12px;
  border-radius: 4px;
}

.option-card--featured .option-card__label {
  background: var(--accent);
  color: var(--text-inverse);
}

.option-card__badge {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--highlight);
  background: var(--highlight-bg);
  padding: 5px 10px;
  border-radius: 999px;
}

.option-card__badge--alt {
  color: var(--text-subtle);
  background: var(--bg-alt);
}

.option-card__title {
  font-size: 26px;
  margin: 0 0 10px;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.option-card__tagline {
  font-size: 15px;
  color: var(--text-muted);
  margin: 0;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
}

.option-card__body {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-muted);
}

.option-card__body > p { color: var(--text-muted); margin-bottom: 16px; }
.option-card__body strong { color: var(--text); }

.option-card__section {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.option-card__section-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 12px;
}

.option-bullets {
  list-style: none;
  padding: 0;
  margin: 0;
}

.option-bullets li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 12px;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.55;
}

.option-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 10px;
  height: 2px;
  background: var(--accent);
}

.option-bullets--muted li::before { background: var(--border-strong); }
.option-bullets--mitigation li::before { background: var(--highlight); }

.option-bullets li strong { color: var(--text); }

/* Three-layer list (Option A) */
.layer-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 0;
}

.layer {
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.7);
  border-radius: var(--radius);
  border-left: 3px solid var(--accent);
}

.layer__label {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 2px;
}

.layer__value {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: -0.015em;
  margin-bottom: 8px;
  color: var(--text);
}

.layer p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0;
}

/* Side-by-side comparison */
.comparison {
  margin: 48px 0 24px;
}

.comparison__title {
  font-size: 22px;
  margin: 0 0 20px;
  letter-spacing: -0.015em;
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 500;
}

.comparison__wrap {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.comparison-table thead th {
  background: var(--bg-alt);
  color: var(--accent);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-align: left;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}

.comparison-table thead th .th-sub {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-subtle);
  text-transform: none;
  letter-spacing: 0.02em;
  margin-left: 4px;
}

.comparison-table tbody th {
  text-align: left;
  font-weight: 500;
  color: var(--text);
  padding: 16px 24px;
  font-size: 15px;
  width: 240px;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}

.comparison-table tbody td {
  padding: 16px 24px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.comparison-table tbody tr:last-child th,
.comparison-table tbody tr:last-child td {
  border-bottom: 0;
}

.comparison-table tbody td strong {
  color: var(--text);
  font-weight: 600;
}

/* Dependency notes (A2P, migration) */
.dependency-notes {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 24px;
}

.dependency-note {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 20px;
  padding: 18px 22px;
  background: var(--warn-bg);
  border-left: 3px solid var(--warn);
  border-radius: var(--radius-sm);
  align-items: start;
}

.dependency-note__label {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 14px;
  color: var(--warn);
  line-height: 1.3;
}

.dependency-note__body {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
}

.dependency-note__body strong { color: var(--text); }

/* Ownership split (commercials) */
.ownership-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 8px;
}

.ownership-split p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0;
}

.ownership-key {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 6px;
}

/* Prepared-by attribution */
.prepared-by {
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 15px;
}

.prepared-by__label {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--text-muted);
  font-size: 15px;
}

.prepared-by__name {
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.005em;
}

.prepared-by__link {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent-bg);
  transition: border-color 0.2s var(--ease-quick);
  padding-bottom: 1px;
}

.prepared-by__link::before {
  content: "·";
  color: var(--text-subtle);
  margin-right: 10px;
  border-bottom: 0;
}

.prepared-by__link:hover {
  border-bottom-color: var(--accent);
}

/* =========================================================
   Slides — option elements
   ========================================================= */
.pill {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--bg-alt);
  color: var(--text-muted);
  border: 1px solid var(--border);
  font-family: var(--font-body);
  font-style: normal;
}

.pill--accent {
  background: var(--accent);
  color: var(--text-inverse);
  border-color: var(--accent);
}

.pill--badge {
  background: var(--highlight-bg);
  color: var(--highlight);
  border-color: transparent;
}

.pill--muted {
  background: transparent;
  color: var(--text-subtle);
  border-color: var(--border);
}

.option-layers-slide {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.option-layer-slide {
  padding: 20px 22px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  border-top: 3px solid var(--accent);
}

.option-layer-slide__head {
  margin-bottom: 10px;
}

.option-layer-slide__key {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 4px;
}

.option-layer-slide__val {
  display: block;
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: -0.015em;
  color: var(--text);
}

.option-layer-slide p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}

.slide__inline-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.slide__inline-list li {
  position: relative;
  padding: 8px 0 8px 22px;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.5;
  border-bottom: 1px solid var(--border);
}

.slide__inline-list li:last-child { border-bottom: 0; }

.slide__inline-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 10px;
  height: 2px;
  background: var(--accent);
}

.slide__columns h4 + .slide__inline-list { margin-top: 8px; }

.comparison-slide {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
  max-width: 900px;
}

.comparison-table--slide { font-size: 15px; }
.comparison-table--slide thead th { padding: 14px 20px; font-size: 12px; }
.comparison-table--slide tbody th,
.comparison-table--slide tbody td { padding: 12px 20px; font-size: 15px; }

.slide__callout--warn {
  background: var(--warn-bg);
  border-left-color: var(--warn);
  color: var(--text);
  line-height: 1.7;
}

/* Reason grid */
.reason-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin: 32px 0;
}

.reason {
  padding: 24px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.reason__num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

.reason h4 {
  font-size: 19px;
  margin: 0 0 10px;
  letter-spacing: -0.015em;
}

.reason p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

/* Phases */
.phase-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 32px 0;
}

.phase {
  padding: 28px 32px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative;
}

.phase--current {
  background: linear-gradient(180deg, #FFFFFF 0%, var(--accent-faint) 100%);
  border-color: var(--accent-bg);
}

.phase__meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 10px;
}

.phase__tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-bg);
  padding: 5px 10px;
  border-radius: 4px;
}

.phase--current .phase__tag {
  background: var(--accent);
  color: var(--text-inverse);
}

.phase__duration {
  font-size: 13px;
  color: var(--text-subtle);
  font-family: var(--font-display);
  font-style: italic;
}

.phase__title {
  font-size: 24px;
  margin: 0 0 16px;
  letter-spacing: -0.015em;
}

.phase__breakdown {
  display: grid;
  gap: 16px;
  margin-top: 20px;
}

.phase__week {
  padding: 18px 22px;
  background: rgba(255, 255, 255, 0.6);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
}

.phase__week-label {
  font-weight: 600;
  font-size: 14px;
  color: var(--accent);
  margin-bottom: 4px;
}

.phase__week p { font-size: 15px; color: var(--text-muted); margin: 0; }

.phase__bullets {
  padding-left: 1.2em;
  margin: 12px 0 0;
  color: var(--text-muted);
}

.phase__bullets li { font-size: 15px; }

.phase__note {
  font-size: 15px;
  color: var(--text-subtle);
  font-style: italic;
  margin: 8px 0 0;
  font-family: var(--font-display);
}

/* Terms */
.terms-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 32px 0;
}

.term {
  padding: 24px 28px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.term--full { grid-column: 1 / -1; }

.term__label {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 10px;
}

.term__body {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-muted);
}

.term__body strong { color: var(--text); }

/* Steps */
.steps {
  list-style: none;
  padding: 0;
  margin: 32px 0 0;
  counter-reset: step;
}

.steps > li {
  display: flex;
  gap: 24px;
  padding: 24px 0;
  border-top: 1px solid var(--border);
}

.steps > li:last-child { border-bottom: 1px solid var(--border); }

.step__num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 16px;
  flex-shrink: 0;
}

.step__body h4 {
  font-size: 20px;
  margin: 0 0 6px;
  letter-spacing: -0.015em;
}

.step__body p {
  font-size: 15px;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.6;
}

/* Footer */
.footer {
  padding: 48px 32px;
  background: var(--bg-dark);
  color: var(--text-inverse);
}

.footer__inner {
  max-width: 920px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 18px;
}

.footer__brand .brand__mark { color: #B5C8BE; }

.footer__meta {
  text-align: right;
  font-size: 14px;
  color: #A8A59B;
}

.footer__meta > div { line-height: 1.8; }

/* =========================================================
   SLIDES VIEW
   ========================================================= */
.slides {
  position: relative;
  height: 100%;
  width: 100%;
}

.slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 56px 100px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}

.slide.is-active {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.slide__inner {
  max-width: 880px;
  width: 100%;
}

.slide__inner--wide { max-width: 1100px; }

.slide__eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-bg);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 32px;
  font-weight: 500;
}

.slide__label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 16px;
  color: var(--accent);
  margin-bottom: 20px;
}

.slide__num-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-alt);
  color: var(--accent);
  font-family: var(--font-body);
  font-style: normal;
  font-weight: 600;
  font-size: 13px;
  border: 1px solid var(--border);
}

.slide__num-chip--accent {
  background: var(--accent);
  color: var(--text-inverse);
  border-color: var(--accent);
}

.slide__headline {
  font-size: clamp(56px, 8vw, 104px);
  line-height: 1;
  letter-spacing: -0.04em;
  margin: 0 0 24px;
}

.slide__sub {
  font-size: clamp(22px, 2.6vw, 30px);
  color: var(--text-muted);
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  margin-bottom: 56px;
}

.slide__h2 {
  font-size: clamp(36px, 4.8vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 40px;
  max-width: 20ch;
}

.slide__statement {
  font-size: clamp(40px, 5.5vw, 68px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0 0 32px;
  max-width: 22ch;
}

.slide__footnote {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 640px;
  line-height: 1.55;
}

.slide__signature {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 16px;
  font-weight: 500;
  max-width: 360px;
}

.slide__signature-muted {
  font-weight: 400;
  color: var(--text-subtle);
  font-size: 14px;
  margin-top: 2px;
}

.slide__points {
  list-style: none;
  padding: 0;
  margin: 0;
  max-width: 720px;
}

.slide__points li {
  font-size: 21px;
  padding: 16px 0 16px 32px;
  position: relative;
  color: var(--text);
  line-height: 1.5;
  border-bottom: 1px solid var(--border);
  font-weight: 400;
}

.slide__points li:last-child { border-bottom: 0; }

.slide__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 28px;
  width: 14px;
  height: 2px;
  background: var(--accent);
}

.slide__callout {
  margin-top: 36px;
  padding: 18px 24px;
  background: var(--accent-bg);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  font-size: 17px;
  color: var(--text);
}

/* Slide variants */
.slide--title { background: radial-gradient(1000px 500px at 20% 20%, var(--accent-faint), transparent 60%); }

.slide--feature { background: linear-gradient(135deg, var(--bg) 0%, var(--accent-faint) 100%); }

.slide--statement .slide__inner { text-align: left; }

.slide--closing { background: var(--bg-dark); color: var(--text-inverse); }
.slide--closing .slide__label { color: #B5C8BE; }
.slide--closing .slide__h2 { color: var(--text-inverse); }
.slide--closing .slide__footnote { color: #A8A59B; }
.slide--closing strong { color: var(--text-inverse); }
.slide--closing em { color: var(--text-inverse); }

/* Idea grid (slide 4) */
.idea-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px;
  max-width: 1040px;
}

.idea-tile {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.idea-tile:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.idea-tile--feature {
  background: var(--accent);
  color: var(--text-inverse);
  border-color: var(--accent);
}

.idea-tile--feature .idea-tile__num {
  background: var(--text-inverse);
  color: var(--accent);
}

.idea-tile__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-alt);
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--accent);
}

.idea-tile__name {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.35;
}

/* Columns (slide 7) */
.slide__columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 880px;
}

.slide__columns > div {
  padding: 24px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.slide__columns h4 {
  font-size: 22px;
  margin: 0 0 12px;
  color: var(--accent);
}

.slide__columns p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0;
}

.slide__columns strong { color: var(--text); }

/* Trio (slide 8) */
.trio {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 1100px;
}

.trio__item {
  padding: 28px 24px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.trio__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-bg);
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 16px;
  margin-bottom: 16px;
}

.trio__item h4 {
  font-size: 22px;
  margin: 0 0 10px;
  letter-spacing: -0.015em;
}

.trio__item p {
  font-size: 15px;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.55;
}

/* Reasons mini (slide 10) */
.reasons-mini {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  max-width: 1080px;
}

.reasons-mini > div {
  padding: 20px 22px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.reasons-mini__num {
  display: block;
  font-family: var(--font-display);
  font-style: italic;
  color: var(--accent);
  font-size: 13px;
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}

.reasons-mini h4 {
  font-size: 19px;
  margin: 0 0 6px;
  letter-spacing: -0.015em;
}

.reasons-mini p {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}

/* Timeline (slide 11) */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 760px;
}

.timeline__step {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  padding: 24px 28px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.timeline__marker {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 18px;
  flex-shrink: 0;
}

.timeline__body h4 {
  font-size: 22px;
  margin: 0 0 8px;
  letter-spacing: -0.015em;
}

.timeline__body p {
  font-size: 16px;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.55;
}

/* Roadmap (slide 12) */
.roadmap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 1100px;
}

.roadmap__phase {
  padding: 24px 22px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.roadmap__phase.is-current {
  background: var(--accent);
  color: var(--text-inverse);
  border-color: var(--accent);
}

.roadmap__tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-bg);
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 14px;
}

.roadmap__phase.is-current .roadmap__tag {
  background: rgba(255, 255, 255, 0.18);
  color: var(--text-inverse);
}

.roadmap__phase h4 {
  font-size: 19px;
  margin: 0 0 8px;
  letter-spacing: -0.015em;
}

.roadmap__phase.is-current h4 { color: var(--text-inverse); }

.roadmap__phase p {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}

.roadmap__phase.is-current p { color: rgba(251, 250, 245, 0.72); }

/* Commercials (slide 13) */
.commercials {
  display: flex;
  flex-direction: column;
  max-width: 760px;
  border-top: 1px solid var(--border);
}

.commercials__row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 32px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

.commercials__key {
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  padding-top: 2px;
}

.commercials__hint {
  display: block;
  font-size: 11px;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: var(--text-subtle);
  font-family: var(--font-display);
  font-style: italic;
  margin-top: 2px;
}

.commercials__val {
  font-size: 18px;
  line-height: 1.55;
  color: var(--text);
}

/* Next steps slide */
.next-steps-slide {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: step;
  max-width: 720px;
}

.next-steps-slide li {
  padding: 16px 0 16px 44px;
  border-bottom: 1px solid rgba(229, 226, 218, 0.18);
  font-size: 20px;
  color: var(--text-inverse);
  position: relative;
  counter-increment: step;
  line-height: 1.5;
}

.next-steps-slide li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 18px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 14px;
  color: #B5C8BE;
}

.next-steps-slide li:last-child { border-bottom: 0; }

.slide__contact {
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid rgba(181, 200, 190, 0.2);
  font-size: 15px;
}

/* Slide controls */
.slide-controls {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(20, 20, 19, 0.9);
  backdrop-filter: blur(12px);
  border-radius: 999px;
  padding: 6px;
  z-index: 50;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease);
}

.view--slides.is-active ~ * .slide-controls,
.view--slides.is-active .slide-controls {
  opacity: 1;
  pointer-events: auto;
}

.slide-nav {
  appearance: none;
  background: transparent;
  border: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: #FBFAF5;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s var(--ease-quick);
}

.slide-nav:hover { background: rgba(255, 255, 255, 0.1); }
.slide-nav:disabled { opacity: 0.3; cursor: not-allowed; }

.slide-indicator {
  color: #FBFAF5;
  font-size: 14px;
  padding: 0 14px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.slide-indicator__divider { opacity: 0.4; margin: 0 6px; }
.slide-indicator__total { opacity: 0.6; }

/* Slide progress */
.slide-progress {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--border);
  z-index: 40;
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}

.view--slides.is-active ~ .slide-progress,
.view--slides.is-active .slide-progress { opacity: 1; }

.slide-progress__bar {
  height: 100%;
  background: var(--accent);
  transition: width 0.5s var(--ease);
  width: 7.14%;
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 900px) {
  .section { padding: 64px 24px; }
  .hero { padding: 72px 24px 56px; }
  .callout { grid-template-columns: 1fr; gap: 8px; padding: 24px; }
  .terms-grid { grid-template-columns: 1fr; }
  .terms-grid .term--full { grid-column: 1; }
  .top-nav__meta { display: none; }
  .top-nav__inner { grid-template-columns: 1fr auto; padding: 12px 20px; }
  .slide { padding: 40px 28px 100px; }
  .trio { grid-template-columns: 1fr; }
  .slide__columns { grid-template-columns: 1fr; }
  .roadmap { grid-template-columns: 1fr 1fr; }
  .idea-grid { grid-template-columns: 1fr; }
  .commercials__row { grid-template-columns: 1fr; gap: 8px; }
  .options-grid { grid-template-columns: 1fr; }
  .option-layers-slide { grid-template-columns: 1fr; }
  .dependency-note { grid-template-columns: 1fr; gap: 6px; }
  .ownership-split { grid-template-columns: 1fr; }
  .comparison-table thead th,
  .comparison-table tbody th,
  .comparison-table tbody td { padding: 12px 16px; }
  .comparison-table tbody th { width: auto; }
}

@media (max-width: 600px) {
  body { font-size: 16px; }
  .hero__title { font-size: 44px; }
  .section__title { font-size: 30px; }
  .idea-card { padding: 24px 22px; }
  .idea-card__title { font-size: 20px; }
  .phase { padding: 24px 22px; }
  .slide__points li { font-size: 17px; }
  .slide__h2 { font-size: 32px; }
  .slide__headline { font-size: 40px; }
  .slide__statement { font-size: 32px; }
  .roadmap { grid-template-columns: 1fr; }
  .reason-grid { grid-template-columns: 1fr; }
  .reasons-mini { grid-template-columns: 1fr; }
}

/* Print */
@media print {
  .top-nav, .view--slides, .slide-controls, .slide-progress { display: none !important; }
  .view--proposal { display: block !important; }
  body { font-size: 14px; }
  .section, .hero { padding: 32px 0; break-inside: avoid; }
  .idea-card, .phase, .reason { break-inside: avoid; box-shadow: none !important; }
}