/* Viserys: Stylesheet (Valyrian Iron & Targaryen Gold System) */

:root,
[data-theme="dark"] {
  --bg-canvas: #0a0b0e;
  --bg-surface: #12141a;
  --bg-elevated: #181b23;
  --bg-code: #08090c;
  --border-hairline: #282c37;
  --border-strong: #464c5e;
  --text-primary: #f4f2ed;
  --text-secondary: #b8b4aa;
  --text-muted: #8e8a80;
  --accent-gold: #e5b85b;
  --accent-gold-tint: rgba(229, 184, 91, 0.12);
  --accent-gold-ink: #0a0b0e;
  --status-danger: #f87171;
  --status-danger-bg: rgba(248, 113, 113, 0.1);
  --status-ok: #34d399;
  --hero-scrim: linear-gradient(
    95deg,
    rgba(10, 11, 14, 0.72) 0%,
    rgba(10, 11, 14, 0.45) 50%,
    rgba(10, 11, 14, 0.2) 100%
  ), linear-gradient(
    180deg,
    rgba(10, 11, 14, 0.15) 0%,
    rgba(10, 11, 14, 0.85) 100%
  );
  --shadow-elevated: 0 20px 44px rgba(0, 0, 0, 0.55);
}

[data-theme="light"] {
  --bg-canvas: #f6f3ec;
  --bg-surface: #ece7dc;
  --bg-elevated: #e2dbcd;
  --bg-code: #14161c;
  --border-hairline: #c8bfb0;
  --border-strong: #8c8273;
  --text-primary: #181613;
  --text-secondary: #4a453d;
  --text-muted: #5c564c;
  --accent-gold: #8a5a00;
  --accent-gold-tint: rgba(138, 90, 0, 0.1);
  --accent-gold-ink: #fdfbf7;
  --status-danger: #b91c1c;
  --status-danger-bg: rgba(185, 28, 28, 0.08);
  --status-ok: #047857;
  --hero-scrim: linear-gradient(
    95deg,
    rgba(246, 243, 236, 0.82) 0%,
    rgba(246, 243, 236, 0.5) 50%,
    rgba(246, 243, 236, 0.25) 100%
  ), linear-gradient(
    180deg,
    rgba(246, 243, 236, 0.15) 0%,
    rgba(246, 243, 236, 0.9) 100%
  );
  --shadow-elevated: 0 18px 36px rgba(24, 22, 19, 0.12);
}

:root {
  --font-display: 'Cinzel', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius-sharp: 4px;
  --radius-card: 8px;
  --radius-panel: 12px;
}

/* Base Reset & Accessibility Affordances (R-32, R-39) */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a[href],
button,
summary,
select,
label[for],
[role="button"],
[role="tab"],
[role="option"] {
  cursor: pointer;
}

button:disabled,
[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.55;
}

:focus-visible {
  outline: 2px solid var(--accent-gold);
  outline-offset: 3px;
}

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

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--accent-gold);
  color: var(--accent-gold-ink);
  font-weight: 700;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sharp);
  z-index: 999;
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

.container {
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

/* Navigation Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-canvas);
  border-bottom: 1px solid var(--border-hairline);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 1.25rem;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--text-primary);
  min-height: 44px;
}

.brand-icon {
  color: var(--accent-gold);
  flex-shrink: 0;
}

.brand-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.12em;
}

.version-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-gold);
  border: 1px solid var(--border-strong);
  padding: 0.1rem 0.45rem;
  border-radius: var(--radius-sharp);
}

.mobile-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sharp);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.6rem 0.85rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-sharp);
  transition: color 0.15s ease, background-color 0.15s ease;
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-surface);
}

.nav-link:active {
  transform: translateY(1px);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-left: 0.5rem;
}

/* Pure Icon Button (Theme Toggle, Copy, GitHub) */
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sharp);
  text-decoration: none;
  transition: border-color 0.15s ease, background-color 0.15s ease, color 0.15s ease, transform 0.12s ease;
}

.icon-btn:hover {
  border-color: var(--accent-gold);
  background: var(--bg-elevated);
  color: var(--accent-gold);
}

.icon-btn:active {
  transform: scale(0.95);
}

.icon-btn.copied {
  border-color: var(--status-ok);
  color: var(--status-ok);
}

/* Theme Toggle Icon Switching:
   - In Dark mode: show Sun icon (click to switch to light)
   - In Light mode: show Moon icon (click to switch to dark)
*/
[data-theme="dark"] #theme-icon-moon {
  display: none !important;
}
[data-theme="dark"] #theme-icon-sun {
  display: block !important;
}
[data-theme="light"] #theme-icon-moon {
  display: block !important;
}
[data-theme="light"] #theme-icon-sun {
  display: none !important;
}

/* Copy Button Icon Switching:
   - Default: show copy icon, checkmark is strictly hidden
   - Copied state: show checkmark, copy icon is hidden
*/
.btn-copy .icon-copy-default {
  display: block !important;
}
.btn-copy .icon-copy-check {
  display: none !important;
}
.btn-copy.copied .icon-copy-default {
  display: none !important;
}
.btn-copy.copied .icon-copy-check {
  display: block !important;
}

/* Primary and Secondary CTA Buttons */
.btn-primary,
.btn-secondary,
.btn-outline,
.btn-small {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 44px;
  padding: 0.65rem 1.25rem;
  font-family: var(--font-sans);
  font-size: 0.925rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sharp);
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.12s ease;
  will-change: transform;
}

.btn-primary {
  background: var(--accent-gold);
  color: var(--accent-gold-ink);
  border: 1px solid var(--accent-gold);
}

.btn-primary:hover {
  filter: brightness(1.08);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
}

.btn-secondary:hover {
  border-color: var(--accent-gold);
  background: var(--bg-elevated);
}

.btn-secondary:active {
  transform: scale(0.98);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
  padding: 0.5rem 0.95rem;
  font-size: 0.875rem;
}

.btn-outline:hover {
  border-color: var(--accent-gold);
  background: var(--accent-gold-tint);
}

/* SECTION 1: HERO WITH PARALLAX */
.hero-section {
  position: relative;
  min-height: min(860px, 92dvh);
  display: flex;
  align-items: center;
  padding: clamp(3.5rem, 7vw, 6.5rem) 0;
  border-bottom: 1px solid var(--border-hairline);
  overflow: hidden;
}

.hero-parallax-wrap {
  position: absolute;
  inset: -12% 0 -12% 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 22%;
  transform: scale(1.08);
  will-change: transform;
}

.hero-scrim {
  position: absolute;
  inset: 0;
  background: var(--hero-scrim);
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: center;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.15rem, 4.4vw, 3.65rem);
  line-height: 1.12;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  letter-spacing: 0.01em;
}

.hero-lead {
  font-size: clamp(1rem, 1.35vw, 1.125rem);
  color: var(--text-secondary);
  max-width: 60ch;
  margin-bottom: 2rem;
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

/* Split Text Reveal spans */
.split-word {
  display: inline-block;
  white-space: nowrap;
}

.split-char {
  display: inline-block;
  will-change: transform, opacity;
}

/* Hero How-to-Install Card with Transparency */
.hero-cli-card {
  background: rgba(18, 20, 26, 0.62);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(70, 76, 94, 0.45);
  border-radius: var(--radius-panel);
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
  box-shadow: var(--shadow-elevated);
}

[data-theme="light"] .hero-cli-card {
  background: rgba(236, 231, 220, 0.72);
  border-color: rgba(140, 130, 115, 0.45);
}

.cli-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.9rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border-hairline);
}

.cli-card-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

.cli-status-indicator {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--status-ok);
  border: 1px solid var(--border-strong);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sharp);
}

.cli-command-box {
  background: var(--bg-code);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-card);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1.15rem;
}

.cli-code-scroll {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: #f4f2ed;
  overflow-x: auto;
}

.cli-prompt {
  color: var(--accent-gold);
  user-select: none;
  font-weight: 700;
}

.btn-copy {
  flex-shrink: 0;
}

.cli-flow-summary {
  border-top: 1px solid var(--border-hairline);
  padding-top: 0.95rem;
}

.cli-flow-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-gold);
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.cli-flow-steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.cli-flow-steps li {
  font-size: 0.82rem;
  color: var(--text-secondary);
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.cli-flow-steps li code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-primary);
  background: var(--bg-code);
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-sharp);
  border: 1px solid var(--border-hairline);
  white-space: nowrap;
}

.cli-flow-steps li span {
  color: var(--text-secondary);
}

/* SECTION HEADINGS */
.decree-section,
.bento-section,
.workbench-section,
.adapters-section {
  padding: clamp(4rem, 7vw, 6.5rem) 0;
  border-bottom: 1px solid var(--border-hairline);
}

.section-intro {
  max-width: 720px;
  margin-bottom: clamp(2.25rem, 4vw, 3.25rem);
}

.section-index {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-gold);
  letter-spacing: 0.06em;
  margin-bottom: 0.65rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 3vw, 2.35rem);
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 0.85rem;
}

.section-desc {
  font-size: 1.02rem;
  color: var(--text-secondary);
}

/* SECTION 2: PROBLEM VS SOLUTION LEDGER */
.ledger-comparison {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 1.5rem;
  align-items: stretch;
}

.ledger-col {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-card);
  padding: clamp(1.5rem, 3vw, 2.25rem);
}

.ledger-order {
  border-color: var(--accent-gold);
  background: var(--bg-elevated);
}

.ledger-header {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-hairline);
}

.ledger-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sharp);
  margin-bottom: 0.6rem;
}

.tag-danger {
  background: var(--status-danger-bg);
  color: var(--status-danger);
  border: 1px solid var(--status-danger);
}

.tag-gold {
  background: var(--accent-gold-tint);
  color: var(--accent-gold);
  border: 1px solid var(--accent-gold);
}

.ledger-header h3 {
  font-size: 1.3rem;
  color: var(--text-primary);
}

.ledger-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.ledger-list li {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.ledger-list strong {
  color: var(--text-primary);
}

.ledger-list code {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--accent-gold);
}

/* SECTION 3: BENTO GRID ARCHITECTURE */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.25rem;
}

.bento-cell {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-panel);
  padding: clamp(1.35rem, 2.5vw, 1.85rem);
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.bento-cell:hover {
  border-color: var(--border-strong);
}

.bento-span-8 {
  grid-column: span 8;
}

.bento-span-4 {
  grid-column: span 4;
}

.bento-row-2 {
  grid-row: span 2;
}

.bento-cell-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.bento-coord {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.bento-coord code {
  color: var(--accent-gold);
}

.bento-pill {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.15rem 0.55rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sharp);
  color: var(--text-primary);
}

.bento-cell h3 {
  font-size: 1.25rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.bento-body-text {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

/* Pillar Selector inside Bento Cell 1 */
.pillar-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.65rem;
  margin-bottom: 1.15rem;
}

.pillar-btn {
  min-height: 48px;
  padding: 0.65rem 0.9rem;
  background: var(--bg-canvas);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-card);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  transition: all 0.15s ease;
}

.pillar-btn:hover {
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.pillar-btn.active {
  background: var(--accent-gold-tint);
  border-color: var(--accent-gold);
  color: var(--text-primary);
}

.pillar-step {
  color: var(--accent-gold);
  font-weight: 700;
}

.pillar-detail-box {
  background: var(--bg-canvas);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-card);
  padding: 1rem 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.pillar-detail-row {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 0.75rem;
  font-size: 0.88rem;
  align-items: baseline;
}

.detail-key {
  font-family: var(--font-mono);
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.detail-val {
  color: var(--text-primary);
}

.detail-code {
  font-family: var(--font-mono);
  color: var(--accent-gold);
  font-weight: 600;
}

/* Council Roster inside Bento Cell 2 */
.council-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: 1rem;
}

.council-item {
  min-height: 44px;
  padding: 0.5rem 0.85rem;
  background: var(--bg-canvas);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sharp);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  text-align: left;
  color: var(--text-secondary);
  transition: all 0.15s ease;
}

.council-item:hover {
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.council-item.active {
  border-color: var(--accent-gold);
  background: var(--accent-gold-tint);
  color: var(--text-primary);
}

.council-role {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--accent-gold);
}

.council-domain {
  font-size: 0.78rem;
}

.council-mandate {
  margin-top: auto;
  background: var(--bg-canvas);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-card);
  padding: 0.9rem;
}

.mandate-file {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--accent-gold);
  margin-bottom: 0.35rem;
}

.mandate-desc {
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Checklists & Metrics inside Cells 3 & 4 */
.checklist-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: auto;
}

.checklist-tags li {
  background: var(--bg-canvas);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sharp);
  padding: 0.3rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-primary);
}

.metrics-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: auto;
}

.metric-box {
  background: var(--bg-canvas);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-card);
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
}

.metric-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-gold);
}

.metric-label {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

/* SECTION 4: INTERACTIVE WORKBENCH */
.workbench-top-bar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.state-control-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  padding: 0.45rem;
  border-radius: var(--radius-card);
}

.state-group-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  padding: 0 0.5rem;
}

.state-btn {
  min-height: 44px;
  padding: 0.45rem 0.85rem;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
  border-radius: var(--radius-sharp);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  transition: all 0.15s ease;
}

.state-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.state-btn.active {
  background: var(--bg-elevated);
  color: var(--accent-gold);
  border-color: var(--accent-gold);
}

.workbench-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.wb-tab {
  min-height: 54px;
  padding: 0.75rem 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-card);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  transition: all 0.15s ease;
}

.wb-tab:hover {
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.wb-tab.active {
  background: var(--bg-elevated);
  border-color: var(--accent-gold);
  color: var(--text-primary);
}

.wb-tab-index {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-gold);
  font-weight: 700;
}

.wb-tab-title {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.95rem;
}

.wb-tab-path {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.workbench-frame {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-panel);
  overflow: hidden;
  box-shadow: var(--shadow-elevated);
}

.wb-status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 0.75rem 1.25rem;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-hairline);
}

.wb-status-left {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.status-indicator-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--status-ok);
}

.status-indicator-dot.is-streaming {
  background: var(--accent-gold);
}

.status-indicator-dot.is-error {
  background: var(--status-danger);
}

.wb-status-text {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.wb-status-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-small {
  min-height: 44px;
  padding: 0.4rem 0.85rem;
  background: var(--bg-canvas);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
  font-size: 0.8rem;
}

.btn-small:hover {
  border-color: var(--accent-gold);
}

.wb-split {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  min-height: 440px;
}

.wb-col {
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
  display: flex;
  flex-direction: column;
}

.wb-dialogue-col {
  border-right: 1px solid var(--border-hairline);
}

.wb-artifact-col {
  background: var(--bg-code);
  color: #f4f2ed;
}

.wb-col-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-secondary);
  padding-bottom: 0.85rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border-hairline);
}

.wb-artifact-col .wb-col-header {
  color: #b8b4aa;
  border-bottom-color: #282c37;
}

.confidence-badge {
  color: var(--accent-gold);
  font-weight: 600;
}

.dialogue-list {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.dialogue-item {
  padding: 0.9rem 1rem;
  border-radius: var(--radius-card);
  border: 1px solid var(--border-hairline);
  font-size: 0.9rem;
}

.dialogue-item.role-user {
  background: var(--bg-canvas);
}

.dialogue-item.role-agent {
  background: var(--bg-elevated);
  border-color: var(--border-strong);
}

.dialogue-speaker {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-gold);
  margin-bottom: 0.35rem;
}

.hypothesis-box {
  margin: 0.55rem 0;
  padding: 0.65rem 0.8rem;
  background: var(--accent-gold-tint);
  border: 1px solid var(--accent-gold);
  border-radius: var(--radius-sharp);
  font-size: 0.82rem;
}

.dialogue-rec {
  margin-top: 0.45rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.artifact-code-block {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.6;
  color: #f4f2ed;
  white-space: pre-wrap;
  overflow-x: auto;
}

/* Empty & Error States inside Workbench (R-27) */
.wb-state-screen {
  padding: 3.5rem 1.5rem;
  text-align: center;
}

.state-box {
  max-width: 540px;
  margin: 0 auto;
  background: var(--bg-canvas);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-panel);
  padding: 2rem;
}

.state-box-error {
  border-color: var(--status-danger);
}

.state-code {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-gold);
  margin-bottom: 0.6rem;
}

.state-box-error .state-code {
  color: var(--status-danger);
}

.state-box h3 {
  font-size: 1.3rem;
  margin-bottom: 0.65rem;
}

.state-box p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

.error-remediation {
  background: var(--bg-code);
  color: #f4f2ed;
  padding: 0.75rem;
  border-radius: var(--radius-sharp);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  margin-bottom: 1.25rem;
}

/* SECTION 5: CROSS-HARNESS ADAPTERS */
.adapter-interactive-bar {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-panel);
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
}

.adapter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-hairline);
}

.adapter-btn {
  min-height: 44px;
  padding: 0.55rem 1.1rem;
  background: var(--bg-canvas);
  color: var(--text-secondary);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sharp);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.15s ease;
}

.adapter-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.adapter-btn.active {
  background: var(--accent-gold-tint);
  color: var(--accent-gold);
  border-color: var(--accent-gold);
  font-weight: 600;
}

.adapter-detail-panel {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.5rem;
  align-items: center;
}

.adapter-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-gold);
  margin-bottom: 0.4rem;
}

.adapter-detail-col h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.adapter-detail-col p {
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.adapter-cmd-box {
  background: var(--bg-code);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-card);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.adapter-cmd-box code {
  color: #f4f2ed;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  overflow-x: auto;
  white-space: nowrap;
}

/* FOOTER */
.site-footer {
  padding: 3rem 0;
  background: var(--bg-canvas);
}

.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-brand {
  max-width: 540px;
}

.footer-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-primary);
  letter-spacing: 0.08em;
  margin-bottom: 0.45rem;
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.footer-copy a {
  color: var(--accent-gold);
  text-decoration: underline;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.footer-links a {
  min-height: 44px;
  padding: 0.5rem 0.85rem;
  display: inline-flex;
  align-items: center;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sharp);
}

.footer-links a:hover {
  color: var(--text-primary);
  border-color: var(--accent-gold);
}

/* MULTI-STATE RESPONSIVE BREAKPOINTS (antislop-layoutmobile R-03) */

/* State 2: Tablet & Small Laptop (681px to 1080px) */
@media (max-width: 1080px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .bento-span-8 {
    grid-column: span 12;
  }

  .bento-span-4 {
    grid-column: span 6;
  }

  .bento-row-2 {
    grid-row: span 1;
  }

  .wb-split {
    grid-template-columns: 1fr;
  }

  .wb-dialogue-col {
    border-right: none;
    border-bottom: 1px solid var(--border-hairline);
  }

  .adapter-detail-panel {
    grid-template-columns: 1fr;
  }
}

/* State 3: Mobile & Narrow Tablet (<= 768px) */
@media (max-width: 768px) {
  .mobile-menu-btn {
    display: inline-flex;
  }

  .primary-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-strong);
    padding: 1rem 1.25rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
    box-shadow: var(--shadow-elevated);
  }

  .primary-nav.is-open {
    display: flex;
  }

  .header-actions {
    margin-left: 0;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border-hairline);
    justify-content: flex-start;
  }

  .ledger-comparison {
    grid-template-columns: 1fr;
  }

  .bento-span-4 {
    grid-column: span 12;
  }

  .pillar-selector,
  .workbench-tabs,
  .metrics-row {
    grid-template-columns: 1fr;
  }

  .pillar-detail-row {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }

  .cli-command-box {
    flex-direction: row;
    align-items: center;
  }
}

/* Accessibility: Reduced Motion Support (R-39) */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .hero-bg-img {
    transform: none !important;
  }
}