/* Witness AI site — component styles (tokens in tokens.css) */

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

html { scroll-behavior: smooth; scroll-padding-top: var(--scroll-offset); }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--primary); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

/* Announcement */
.announcement {
  background: var(--bg-dark);
  color: #e2e8f0;
  text-align: center;
  padding: 0.65rem 1rem;
  font-size: 0.85rem;
  font-weight: 500;
}
.announcement a {
  color: #5eead4;
  margin-left: 0.5rem;
  text-decoration: underline;
}
.wbc-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  color: var(--accent);
  border: 1px solid rgba(45, 212, 191, 0.35);
  background: rgba(45, 212, 191, 0.08);
  margin-right: 0.5rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.2s, height 0.2s;
}
.site-header.scrolled {
  box-shadow: var(--shadow);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 72px;
  transition: height 0.2s;
}
.site-header.scrolled .header-inner { height: 64px; }
.logo {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.logo-mark {
  width: 1.35rem;
  height: 1.35rem;
  color: var(--primary);
  flex-shrink: 0;
}
.nav {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  flex: 1;
}
.nav-item { position: relative; }
.nav-item > button,
.nav-link {
  background: none;
  border: none;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  border-radius: 6px;
}
.nav-item > button:hover,
.nav-link:hover { color: var(--text); background: var(--bg-soft); }
.dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  box-shadow: var(--shadow-lg);
  z-index: 50;
}
.has-dropdown:hover .dropdown,
.has-dropdown.open .dropdown { display: block; }
.dropdown a {
  display: block;
  padding: 0.45rem 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  border-radius: 6px;
}
.dropdown a:hover {
  background: var(--bg-soft);
  color: var(--text);
}
.header-cta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
}
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  transition: background 0.15s;
}
.theme-toggle:hover { background: var(--bg-elevated); }
.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  width: 1.15rem;
  height: 1.15rem;
  display: block;
}
.theme-toggle .icon-moon { display: none; }
html[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
html[data-theme="dark"] .theme-toggle .icon-moon { display: block; }
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text);
}

/* Sticky CTA bar */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 0.75rem var(--space-3);
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.12);
  transform: translateY(100%);
  transition: transform 0.3s ease;
}
.sticky-cta.visible { transform: translateY(0); }
.sticky-cta-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.sticky-cta p {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}
.sticky-cta-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: var(--shadow);
}
html[data-theme="dark"] .btn-primary { color: #042f2e; }
.btn-outline {
  border-color: var(--border);
  color: var(--text);
  background: var(--bg-elevated);
}
.btn-ghost { color: var(--text-muted); background: transparent; }
.btn-lg { padding: 0.85rem 1.5rem; font-size: 1rem; }

/* Hero — split layout */
.hero {
  padding: var(--space-6) 0 var(--space-4);
  background: var(--hero-bg);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  align-items: start;
}
.hero-copy { text-align: left; }
.hero-institutional {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--primary-dark);
  margin-bottom: 0.75rem;
}
.chip {
  display: inline-block;
  font-size: 0.78rem;
  padding: 0.35rem 0.85rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-muted);
  margin-top: 0.5rem;
}
.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.04em;
  margin-bottom: 1.25rem;
}
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-lead {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 36rem;
  margin-bottom: 1.75rem;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.pillar-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.pillar-chips span {
  font-size: 0.72rem;
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-muted);
  background: var(--bg-soft);
}

/* Control plane panel */
.control-plane-panel,
.fleet-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow-lg);
}
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.panel-head-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.panel-density-btn {
  font-size: 0.65rem;
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-soft);
  color: var(--text-muted);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.panel-density-btn:hover,
.panel-density-btn:focus-visible {
  border-color: var(--primary);
  color: var(--primary);
}
.roster .receipt-code {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-muted);
  opacity: 0.85;
}
.control-plane-panel.is-compact .fleet-stats,
.control-plane-panel.is-compact .roster-label {
  display: none;
}
.control-plane-panel.is-compact .roster .score {
  display: none;
}
.control-plane-panel.is-compact .roster .receipt-code {
  display: none;
}
.live-dot {
  color: var(--green);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
}
.live-dot::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
@media (prefers-reduced-motion: reduce) {
  .live-dot::before { animation: none; }
}
.fleet-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.fleet-stats div {
  background: var(--bg-soft);
  border-radius: 10px;
  padding: 0.85rem;
  text-align: center;
}
.fleet-stats strong {
  display: block;
  font-size: 1.35rem;
  font-weight: 700;
}
.fleet-stats span {
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
}
.fleet-stats .warn strong { color: var(--amber); }
.fleet-stats .ok strong { color: var(--green); }
.roster-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}
.roster { list-style: none; }
.roster li {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}
.roster li:last-child { border-bottom: none; }
.agent { font-family: var(--mono); font-size: 0.78rem; }
.score { color: var(--text-muted); font-family: var(--mono); font-size: 0.75rem; }
.verdict {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  letter-spacing: 0.04em;
}
.verdict.allow { background: var(--green-dim); color: var(--green); }
.verdict.escalate { background: var(--amber-dim); color: var(--amber); }
.verdict.block { background: var(--red-dim); color: var(--red); }

.stats-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding-top: var(--space-4);
  margin-top: var(--space-4);
  border-top: 1px solid var(--border);
}
.stats-strip div { text-align: center; }
.stats-strip strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}
.stats-strip span { font-size: 0.78rem; color: var(--text-muted); }
.stats-strip sup a {
  font-size: 0.65rem;
  color: var(--primary);
  font-weight: 700;
  text-decoration: none;
}
.stats-strip sup a:hover { text-decoration: underline; }

/* Page hero (sub-pages) */
.page-hero {
  padding: var(--space-5) 0 var(--space-4);
  background: linear-gradient(180deg, var(--bg-soft) 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.page-hero h1 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto;
}
.page-hero .section-lead {
  margin-bottom: 0;
}

/* Explore hub (home) */
.wbc-flow {
  padding: var(--space-5) 0;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.wbc-flow-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}
.wbc-flow-card {
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.wbc-flow-card h3 {
  font-size: 1.05rem;
  margin: 0.5rem 0;
}
.wbc-flow-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
}
.wbc-flow-meta {
  margin-top: 0.75rem !important;
  font-size: 0.8rem !important;
  font-family: var(--font-mono, monospace);
}
.wbc-flow-card-featured {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}
.wbc-flow-handoffs {
  margin-top: 1.25rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}
@media (max-width: 900px) {
  .wbc-flow-grid { grid-template-columns: 1fr; }
}
.explore-hub {
  padding: var(--space-5) 0;
  background: var(--bg);
}
.explore-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.explore-card {
  display: block;
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.explore-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}
.explore-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0.5rem 0 0.35rem;
}
.explore-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
}
@media (max-width: 900px) {
  .explore-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .explore-grid { grid-template-columns: 1fr; }
}

/* Trust strip */
.trust-section {
  padding: var(--space-5) 0;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%);
  border-bottom: 1px solid var(--border);
}
.section-eyebrow,
.section-tag {
  text-align: center;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
  margin-bottom: 0.75rem;
  font-weight: 600;
}
.trust-section h2 {
  text-align: center;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
}
.section-lead {
  text-align: center;
  max-width: 42rem;
  margin: 0 auto var(--space-4);
  color: var(--text-muted);
  font-size: 0.95rem;
}
.evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: var(--space-4);
}
.evidence-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius);
  padding: 1.75rem;
}
.evidence-card .ev-num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 0.75rem;
}
.evidence-card p { font-size: 0.92rem; margin-bottom: 1rem; }
.evidence-card cite {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-style: normal;
}
.evidence-card cite a { color: var(--primary); text-decoration: underline; }
.ref-tag { font-weight: 700; color: var(--primary-dark); margin-right: 0.25rem; }

.framework-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin: var(--space-3) 0;
}
.framework-badge {
  padding: 0.55rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-top: 3px solid var(--primary);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
}
.framework-badge span {
  display: block;
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-top: 0.15rem;
}
.logo-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem 2.5rem;
  margin-top: var(--space-3);
}
.logo-strip span {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
}
.framework-note {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: var(--space-3);
  font-style: italic;
}
.institutional-quote {
  max-width: 48rem;
  margin: var(--space-4) auto 0;
  padding: 1.5rem 2rem;
  border-left: 4px solid var(--primary);
  background: var(--primary-light);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.institutional-quote blockquote {
  font-size: 1.05rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}
.institutional-quote footer { font-size: 0.78rem; color: var(--text-muted); }
.institutional-quote footer a { color: var(--primary); text-decoration: underline; }

/* Why / problems */
.problems {
  padding: var(--space-6) 0;
  background: var(--bg-soft);
}
.problems h2 {
  text-align: center;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  max-width: 24ch;
  margin: 0 auto var(--space-5);
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: box-shadow 0.2s;
}
.problem-card:hover { box-shadow: var(--shadow); }
.problem-icon { font-size: 1.75rem; margin-bottom: 1rem; }
.problem-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 0.75rem; }
.problem-card p { color: var(--text-muted); font-size: 0.95rem; }
.problem-card cite {
  display: block;
  margin-top: 0.75rem;
  font-size: 0.72rem;
  color: var(--text-muted);
  font-style: normal;
}
.problem-card cite a { color: var(--primary); }

/* Platform */
.platform { padding: var(--space-6) 0; }
.platform-intro {
  text-align: center;
  max-width: 42rem;
  margin: 0 auto var(--space-5);
}
.platform-intro h2 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}
.platform-intro p { color: var(--text-muted); margin-bottom: 1.5rem; }
.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.capability-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  background: var(--bg-card);
}
.capability-card.featured {
  border-color: var(--primary);
  background: linear-gradient(180deg, var(--primary-light), var(--bg-card));
  box-shadow: var(--shadow);
}
.cap-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  margin-bottom: 0.75rem;
}
.capability-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.75rem; }
.capability-card p { color: var(--text-muted); font-size: 0.92rem; }

/* Governance loop stepper */
.lifecycle {
  padding: var(--space-6) 0;
  background: var(--bg-soft);
}
.lifecycle h2 {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--space-4);
}
.loop-stepper {
  display: flex;
  gap: 0;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scroll-snap-type: x mandatory;
}
.loop-step {
  flex: 1;
  min-width: 140px;
  text-align: center;
  padding: 0 0.5rem;
  cursor: pointer;
  scroll-snap-align: start;
  border: none;
  background: none;
  font: inherit;
  color: inherit;
}
.loop-step-track {
  display: flex;
  align-items: center;
  margin-bottom: 0.75rem;
}
.loop-step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 600;
  margin: 0 auto;
  background: var(--bg-card);
  transition: border-color 0.2s, background 0.2s;
}
.loop-step.active .loop-step-num,
.loop-step:hover .loop-step-num {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary-dark);
}
.loop-step-line {
  flex: 1;
  height: 2px;
  background: var(--border);
  min-width: 20px;
}
.loop-step:last-child .loop-step-line { display: none; }
.loop-step-label {
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}
.loop-step-code {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--green);
}
.loop-detail {
  margin-top: var(--space-4);
  padding: var(--space-3);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  border-left: 4px solid var(--primary);
}
.loop-detail h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.loop-detail p { color: var(--text-muted); font-size: 0.92rem; margin-bottom: 0.75rem; }
.loop-detail code {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--green);
  background: var(--bg-soft);
  padding: 0.45rem 0.65rem;
  border-radius: 6px;
  display: inline-block;
}

/* Proof section */
.visibility,
.proof-section {
  padding: var(--space-6) 0;
  background: var(--proof-bg);
  color: var(--proof-text);
}
.proof-section a { color: var(--accent-bright); }
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  align-items: start;
}
.proof-section h2 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  color: var(--proof-text);
}
.proof-section p { color: var(--proof-muted); margin-bottom: 1.5rem; }
.check-list { list-style: none; }
.check-list li {
  padding: 0.4rem 0 0.4rem 1.5rem;
  position: relative;
  color: var(--proof-muted);
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}
.chain-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  margin-top: 1rem;
}
.chain-inline span {
  padding: 0.35rem 0.6rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
}
html[data-theme="dark"] .chain-inline span {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.15);
}
.chain-inline .pass { color: var(--green); border-color: rgba(52, 211, 153, 0.35); }
.chain-inline .fail { color: var(--red); border-color: rgba(248, 113, 113, 0.35); }

.proof-terminal {
  background: var(--terminal-bg);
  border: 1px solid var(--terminal-border);
  border-radius: var(--radius);
  overflow: hidden;
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.55;
}
.proof-terminal-head {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid var(--terminal-border);
}
.proof-terminal-head span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #64748b;
}
.proof-terminal-body {
  padding: 1rem 1.25rem;
  min-height: 280px;
  max-height: 320px;
  overflow-y: auto;
}
.proof-terminal-body .line { display: block; margin-bottom: 0.25rem; }
.proof-terminal-body .dim { color: #64748b; }
.proof-terminal-body .allow { color: var(--green-bright); }
.proof-terminal-body .block { color: var(--red-bright); }
.proof-terminal-body .escalate { color: var(--amber-bright); }
.proof-terminal-body .info { color: var(--accent-bright); }
.proof-terminal-body .fail { color: var(--red-bright); font-weight: 600; }
.proof-terminal-cursor {
  display: inline-block;
  width: 8px;
  height: 14px;
  background: var(--accent);
  animation: blink 1s step-end infinite;
  vertical-align: text-bottom;
}
@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) {
  .proof-terminal-cursor { animation: none; }
}

/* Compare matrix */
.matrix-section {
  padding: var(--space-6) 0;
  background: var(--bg-soft);
}
.matrix-section h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: var(--space-4);
}
.matrix-wrap { overflow-x: auto; }
.vendor-matrix {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
}
.vendor-matrix th,
.vendor-matrix td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.vendor-matrix th:first-child,
.vendor-matrix td:first-child { text-align: left; }
.vendor-matrix th {
  background: var(--bg-soft);
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--text-muted);
}
.vendor-matrix .yes { color: var(--green); font-weight: 700; }
.vendor-matrix .partial { color: var(--amber); }
.highlight-row { background: var(--primary-light); }

/* Policy chips */
.integrations,
.policy-section {
  padding: var(--space-5) 0;
  text-align: center;
}
.policy-section h2 { font-size: 2rem; margin-bottom: 0.75rem; }
.policy-section .section-lead {
  margin-bottom: var(--space-4);
}
.policy-chip-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.65rem;
  margin-top: var(--space-3);
}
.policy-chip {
  padding: 0.55rem 1rem;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: border-color 0.2s, color 0.2s;
}
.policy-chip:hover {
  border-color: var(--primary);
  color: var(--text);
}
.policy-link {
  display: inline-block;
  margin-top: var(--space-3);
  color: var(--primary);
  font-weight: 600;
  text-decoration: underline;
}

/* Pricing */
.pricing-section { padding: var(--space-6) 0; }
.pricing-section h2 {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.pricing-section .sub {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: var(--space-4);
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: var(--space-4);
}
.price-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  position: relative;
}
.price-card.featured {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}
.price-card .popular {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  background: var(--primary);
  color: #fff;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  white-space: nowrap;
}
html[data-theme="dark"] .price-card .popular { color: #042f2e; }
.price-card h3 { font-size: 1.25rem; margin: 0.35rem 0; }
.price-card .amount { font-size: 2rem; font-weight: 700; margin: 0.5rem 0 1rem; }
.price-card .install-note {
  font-size: 0.78rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 0.75rem;
}
.price-card ul {
  list-style: none;
  flex: 1;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.price-card li {
  padding: 0.3rem 0 0.3rem 1rem;
  position: relative;
}
.price-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--green);
  font-size: 0.75rem;
}
.pricing-footnotes {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: var(--space-3);
  font-style: italic;
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto;
}
.feature-compare-wrap {
  overflow-x: auto;
  margin-top: var(--space-4);
}
.feature-compare {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.feature-compare th,
.feature-compare td {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.feature-compare th:first-child,
.feature-compare td:first-child { text-align: left; }
.feature-compare th {
  background: var(--bg-soft);
  font-size: 0.75rem;
}
.feature-compare .yes { color: var(--green); font-weight: 700; }
.feature-compare .no { color: var(--text-muted); }

/* Product specifications */
.product-specs {
  padding: var(--space-5) 0;
  background: var(--bg-soft);
}
.product-specs h2 {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--space-4);
}
.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  max-width: 900px;
  margin: 0 auto;
}
.spec-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}
.spec-card blockquote {
  font-size: 1.05rem;
  font-weight: 500;
  margin-bottom: 1.25rem;
  line-height: 1.5;
}
.spec-card footer { font-size: 0.85rem; color: var(--text-muted); }
.spec-stats {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}
.spec-stats strong {
  display: block;
  font-size: 1.5rem;
  color: var(--primary);
}
.spec-stats span { font-size: 0.78rem; color: var(--text-muted); }

/* CTA banner */
.cta-banner {
  padding: var(--space-6) 0;
  background: var(--gradient);
  color: #fff;
  text-align: center;
}
.cta-inner h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.cta-inner p {
  opacity: 0.9;
  margin-bottom: 1.5rem;
  max-width: 32rem;
  margin-left: auto;
  margin-right: auto;
}
.cta-banner .btn-primary {
  background: var(--bg-card);
  color: var(--primary-dark);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

/* FAQ */
.faq { padding: var(--space-6) 0; }
.faq h2 {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--space-4);
}
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  overflow: hidden;
  background: var(--bg-card);
}
.faq-item summary {
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  float: right;
  font-weight: 400;
  color: var(--text-muted);
}
.faq-item[open] summary::after { content: "−"; }
.faq-item p {
  padding: 0 1.5rem 1.25rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Footer sources */
.trust-disclaimer {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  padding: 1rem 1.5rem;
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  line-height: 1.5;
}
.site-footer {
  background: var(--bg-dark);
  color: #94a3b8;
  padding: var(--space-5) 0 var(--space-3);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: var(--space-4);
}
.footer-brand strong {
  display: block;
  color: #fff;
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}
.gartner-badge {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.75rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 6px;
}
.site-footer h5 {
  color: #fff;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}
.site-footer a {
  display: block;
  font-size: 0.88rem;
  padding: 0.25rem 0;
  color: #94a3b8;
}
.site-footer a:hover { color: #fff; }
.footer-sources {
  grid-column: 1 / -1;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: var(--space-3);
  margin-top: var(--space-2);
}
.footer-sources summary {
  cursor: pointer;
  font-weight: 600;
  color: #fff;
  font-size: 0.95rem;
  list-style: none;
  padding: 0.5rem 0;
}
.footer-sources summary::-webkit-details-marker { display: none; }
.footer-sources summary::after {
  content: " ▾";
  color: #94a3b8;
}
.footer-sources[open] summary::after { content: " ▴"; }
.ref-list {
  list-style: none;
  counter-reset: refs;
  margin-top: var(--space-3);
}
.ref-list li {
  counter-increment: refs;
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 0.75rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.84rem;
  line-height: 1.55;
}
.ref-list li::before {
  content: "[" counter(refs) "]";
  font-weight: 700;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.78rem;
}
.ref-list a { color: #5eead4; word-break: break-word; }
.ref-list .ref-type {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.2rem;
}
.ref-list li:target {
  background: rgba(45, 212, 191, 0.08);
  border-radius: 6px;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: var(--space-3);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.82rem;
}
.footer-legal { display: flex; gap: 1.5rem; }

/* Print */
@media print {
  .announcement,
  .site-header,
  .sticky-cta,
  .theme-toggle,
  .menu-toggle,
  .hero-cta,
  .cta-banner,
  .testimonial-dots { display: none !important; }
  body { background: var(--bg-card); color: #000; font-size: 11pt; }
  .proof-section,
  .visibility { background: var(--bg-card); color: #000; }
  .split,
  .hero-grid,
  .footer-grid { grid-template-columns: 1fr !important; }
  .footer-sources { display: block !important; }
  .footer-sources details { open: true; }
  .ref-list a::after {
    content: " (" attr(href) ")";
    font-size: 8pt;
    word-break: break-all;
  }
  section { page-break-inside: avoid; padding: 1rem 0; }
}

/* Responsive */
@media (max-width: 960px) {
  .nav,
  .header-cta .btn-ghost:not(.theme-toggle-wrap) { display: none; }
  .menu-toggle { display: block; margin-left: auto; }
  .nav.nav-open {
    display: flex !important;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg-card);
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    z-index: 99;
  }
  .hero-grid,
  .split,
  .problem-grid,
  .capability-grid,
  .evidence-grid,
  .spec-grid { grid-template-columns: 1fr; }
  .stats-strip { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .loop-stepper { flex-wrap: nowrap; }
}

@media (max-width: 600px) {
  .hero { padding: var(--space-4) 0; }
  .pricing-grid,
  .footer-grid { grid-template-columns: 1fr; }
  .sticky-cta-inner { flex-direction: column; text-align: center; }
}

/* === v2 upgrade components === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
.site-header { background: var(--header-bg); }
.site-header.scrolled { box-shadow: var(--shadow); }
.site-header.scrolled .header-inner { height: 60px; }

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 2.5rem;
  align-items: center;
  text-align: left;
  padding: 3rem 0 2rem;
}
.hero-copy .chip { display: inline-block; margin: 0.75rem 0 1rem; }
.hero-copy h1 { font-size: clamp(2rem, 4.5vw, 3.25rem); font-weight: 700; line-height: 1.08; margin-bottom: 1rem; }
.hero-copy .hero-lead { font-size: 1.05rem; color: var(--text-muted); max-width: 36rem; margin-bottom: 1.5rem; }
.hero-copy .hero-cta { justify-content: flex-start; }
.hero-stats { border-top: 1px solid var(--border); margin-top: 2rem; padding-top: 1.25rem; grid-template-columns: repeat(3, 1fr); }

.control-plane {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.25rem;
  box-shadow: var(--shadow-lg);
}
.panel-head { display: flex; justify-content: space-between; font-size: 0.78rem; color: var(--text-muted); margin-bottom: 1rem; }
.live-dot { color: var(--verdict-allow); font-weight: 600; }
.live-dot::before { content: "● "; }
.panel-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem; margin-bottom: 1rem; }
.panel-stats strong { display: block; font-size: 1.35rem; color: var(--primary); }
.panel-stats span { font-size: 0.72rem; color: var(--text-muted); }
.panel-stats .warn strong { color: var(--verdict-escalate); }
.panel-stats .ok strong { color: var(--verdict-allow); }
.roster-label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); margin-bottom: 0.5rem; }
.roster { list-style: none; }
.roster li { display: grid; grid-template-columns: 1fr auto auto; gap: 0.75rem; align-items: center; padding: 0.45rem 0; border-bottom: 1px solid var(--border); font-size: 0.82rem; }
.roster .agent { font-family: var(--font-mono); font-size: 0.75rem; }
.roster .gate { color: var(--text-muted); font-size: 0.72rem; }
.verdict { font-weight: 700; font-size: 0.68rem; padding: 0.2rem 0.45rem; border-radius: 4px; }
.verdict.allow { color: var(--verdict-allow); background: rgba(52, 211, 153, 0.12); }
.verdict.block { color: var(--verdict-block); background: rgba(248, 113, 113, 0.12); }
.verdict.escalate { color: var(--verdict-escalate); background: rgba(251, 191, 36, 0.12); }

.trust { padding: var(--space-6) 0; background: var(--bg-soft); border-bottom: 1px solid var(--border); }
.trust-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-bottom: 1.5rem; }
.framework-badges { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.65rem; }
.fw-badge { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; padding: 0.4rem 0.75rem; border: 1px solid var(--border); border-radius: 6px; background: var(--bg-card); color: var(--primary-dark); }
html[data-theme="dark"] .fw-badge { color: var(--accent); }

.theme-toggle {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 2.25rem;
  height: 2.25rem;
  cursor: pointer;
  font-size: 1.1rem;
  color: var(--text-muted);
}
.sticky-cta {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 90;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 24px rgba(0,0,0,0.08);
  transform: translateY(100%);
  transition: transform 0.25s ease;
  padding: 0.65rem 0;
}
.sticky-cta.visible { transform: translateY(0); }
.sticky-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: 0.85rem; color: var(--text-muted); }
.sticky-cta-inner div { display: flex; gap: 0.5rem; }
.btn-sm { padding: 0.4rem 0.85rem; font-size: 0.82rem; }

.nav-drop { position: relative; }
.nav-drop > button { background: none; border: none; font: inherit; font-size: 0.9rem; font-weight: 500; color: var(--text-muted); padding: 0.5rem 0.75rem; cursor: pointer; border-radius: 6px; }
.nav-drop > button:hover { color: var(--text); background: var(--bg-soft); }
.drop-panel { display: none; position: absolute; top: 100%; left: 0; min-width: 180px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 0.5rem; box-shadow: var(--shadow-lg); z-index: 50; }
.drop-panel.open { display: block; }
.drop-panel a { display: block; padding: 0.45rem 0.65rem; font-size: 0.85rem; color: var(--text); border-radius: 6px; }
.drop-panel a:hover { background: var(--bg-soft); color: var(--primary); }

.stepper { margin-top: 2rem; }
.stepper-nav { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-bottom: 1.25rem; }
.stepper-step {
  flex: 1; min-width: 100px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 8px; padding: 0.65rem 0.5rem;
  font-size: 0.75rem; font-weight: 600; cursor: pointer; color: var(--text-muted);
}
.stepper-step span { display: block; font-family: var(--font-mono); font-size: 0.65rem; color: var(--primary); margin-bottom: 0.15rem; }
.stepper-step.active { border-color: var(--primary); background: var(--primary-light); color: var(--text); }
.stepper-panel { display: none; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; }
.stepper-panel.active { display: block; }
.stepper-panel code { display: block; margin-top: 0.75rem; font-family: var(--font-mono); font-size: 0.78rem; color: var(--verdict-allow); background: var(--bg-soft); padding: 0.5rem; border-radius: 6px; }

.proof { padding: var(--space-6) 0; background: var(--bg-soft); }
.proof h2 { font-size: 2rem; margin-bottom: 1rem; }
.proof-terminal-wrap { background: var(--terminal-bg); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.proof-terminal-head { display: flex; justify-content: space-between; padding: 0.65rem 1rem; font-size: 0.72rem; color: var(--text-muted); border-bottom: 1px solid var(--border); font-family: var(--font-mono); }
.proof-terminal { padding: 1rem; min-height: 220px; font-family: var(--font-mono); font-size: 0.78rem; line-height: 1.7; }
.proof-line { transition: opacity 0.3s ease; margin-bottom: 0.25rem; color: var(--terminal-text); }
.proof-cmd, .proof-line.proof-cmd { color: var(--terminal-text); }
.proof-line.proof-allow { color: var(--verdict-allow); }
.proof-line.proof-block { color: var(--verdict-block); }

.compare, .policy, .loop, .why { padding: var(--space-6) 0; }
.loop h2, .compare h2, .policy h2, .pricing h2, .close h2 { text-align: center; font-size: 2rem; font-weight: 700; margin-bottom: 2rem; }
.policy { text-align: center; }
.policy-cta { margin-top: 1.5rem; }

.pricing { padding: var(--space-6) 0; background: var(--bg-soft); }
.tier-table-wrap { overflow-x: auto; margin: 2rem 0 1rem; }
.tier-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; background: var(--bg-card); border-radius: var(--radius); overflow: hidden; }
.tier-table th, .tier-table td { padding: 0.65rem 1rem; border-bottom: 1px solid var(--border); text-align: center; }
.tier-table th:first-child, .tier-table td:first-child { text-align: left; }
.tier-table th { background: var(--bg-soft); font-size: 0.72rem; text-transform: uppercase; color: var(--text-muted); }
.pricing-footnote { text-align: center; font-size: 0.78rem; color: var(--text-muted); font-style: italic; margin-bottom: 2rem; }

.product-specs { max-width: 720px; margin: 0 auto; }
.product-specs h3 { text-align: center; font-size: 1rem; margin-bottom: 1rem; color: var(--text-muted); }
.spec-card { display: none; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; }
.spec-card.active { display: block; }
.spec-card blockquote { font-size: 1rem; margin-bottom: 0.75rem; }
.spec-card footer { font-size: 0.78rem; color: var(--text-muted); }
.spec-dots { display: flex; justify-content: center; gap: 0.5rem; margin-top: 1rem; }
.spec-dots button { width: 8px; height: 8px; border-radius: 50%; border: none; background: var(--border); cursor: pointer; padding: 0; }
.spec-dots button.active { background: var(--primary); width: 24px; border-radius: 4px; }

.close { padding: var(--space-6) 0; }
.close .cta-banner { margin-top: 3rem; padding: 3rem 2rem; border-radius: var(--radius); background: var(--gradient); color: #fff; text-align: center; }
.close .cta-banner h2 { color: #fff; margin-bottom: 0.75rem; }
.close .cta-banner p { opacity: 0.9; margin-bottom: 1.25rem; }
.close .cta-banner .btn-primary { background: #fff; color: var(--primary-dark); }

.sources-panel { max-width: var(--container); margin: 0 auto 2rem; padding: 0 1.5rem; color: #94a3b8; }
.sources-panel summary { cursor: pointer; font-weight: 600; padding: 1rem 0; color: #cbd5e1; }
.sources-panel .ref-list { list-style: none; counter-reset: refs; padding-bottom: 1rem; }
.sources-panel .ref-list li { counter-increment: refs; display: grid; grid-template-columns: 2.5rem 1fr; gap: 0.5rem; padding: 0.65rem 0; border-bottom: 1px solid rgba(255,255,255,0.08); font-size: 0.82rem; }
.sources-panel .ref-list li::before { content: "[" counter(refs) "]"; font-weight: 700; color: var(--accent, #5eead4); font-family: var(--font-mono); }
.sources-panel a { color: #5eead4; }
.ref-type { display: block; font-size: 0.68rem; text-transform: uppercase; opacity: 0.7; margin-top: 0.15rem; }

.capability-card, .problem-card, .price-card, .evidence-card { background: var(--bg-card); }
html[data-theme="dark"] .capability-card.featured { background: linear-gradient(180deg, var(--primary-light), var(--bg-card)); }
html[data-theme="dark"] .hero { background: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(45,212,191,0.08), transparent); }
html[data-theme="dark"] .announcement a { color: var(--accent); }

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-copy .hero-cta { justify-content: center; }
  .trust-stats { grid-template-columns: 1fr; }
  .header-cta .btn-outline { display: none; }
  .nav { display: none; }
  .nav.nav-open { display: flex; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0; background: var(--bg-card); padding: 1rem; border-bottom: 1px solid var(--border); z-index: 99; }
  .nav-drop .drop-panel { position: static; box-shadow: none; border: none; display: block; padding-left: 0.5rem; }
  .menu-toggle { display: block; margin-left: auto; }
}

@media print {
  .announcement, .site-header, .sticky-cta, .theme-toggle, .menu-toggle, .header-cta, .hero-cta, .policy-cta, .spec-dots, .sticky-cta, .control-plane-panel, .proof-scenario-wrap { display: none !important; }
  body { background: #fff; color: #000; font-size: 11pt; }
  section { page-break-inside: avoid; padding: 1rem 0; }
  .sources-panel, .footer-sources, .crosswalk-details { display: block !important; }
  .crosswalk-details summary { list-style: none; }
  .crosswalk-table { font-size: 9pt; }
  .sources-panel summary { list-style: none; }
  a { color: #000; text-decoration: underline; }
  .proof-terminal { border: 1px solid #ccc; }
  .arch-diagram { border: 1px solid #ccc; padding: 1rem; }
}

/* v3 — crosswalk, architecture, integrations, proof pills */
.hero {
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
}
html[data-theme="dark"] .hero {
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(45, 212, 191, 0.08), transparent),
    linear-gradient(rgba(45, 212, 191, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45, 212, 191, 0.03) 1px, transparent 1px);
  background-size: auto, 32px 32px, 32px 32px;
}

.crosswalk-details {
  margin-top: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
  padding: 0.75rem 1rem;
}
.crosswalk-details summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text);
  padding: 0.35rem 0;
}
.crosswalk-wrap { overflow-x: auto; margin-top: 1rem; }
.crosswalk-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}
.crosswalk-table th,
.crosswalk-table td {
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--border);
  text-align: left;
}
.crosswalk-table th {
  background: var(--bg-elevated);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}
.crosswalk-table td:first-child { font-weight: 600; }
.crosswalk-table a { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }

.fade-in-quote {
  animation: quoteFade 0.8s ease-out both;
}
@keyframes quoteFade {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .fade-in-quote { animation: none; }
}

.problem-icon .icon-svg {
  width: 2rem;
  height: 2rem;
  color: var(--primary);
}

.arch-diagram {
  margin: 2rem 0;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-soft);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  font-size: 0.82rem;
}
.arch-node {
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  font-weight: 500;
}
.arch-node.arch-govern { border-color: var(--primary); background: var(--primary-light); }
.arch-node.arch-prove { border-color: var(--accent); }
.arch-arrow { color: var(--text-muted); font-family: var(--font-mono); }
.arch-branches {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin: 0.5rem 0 0 1rem;
  padding-left: 1rem;
  border-left: 2px solid var(--border);
}
.arch-branch { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; }
.arch-footer {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--border);
}

.autonomy-tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}
.autonomy-tier {
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
}
.autonomy-tier.featured {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}
.tier-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  margin-bottom: 0.5rem;
}
.autonomy-tier h4 { font-size: 1rem; margin-bottom: 0.5rem; }
.autonomy-tier p { font-size: 0.88rem; color: var(--text-muted); }

.integrations-strip {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.integrations-lead {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.integration-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.integration-chip {
  font-size: 0.78rem;
  font-weight: 500;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text-muted);
}

.proof-scenario-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}
.proof-pill {
  font: inherit;
  font-size: 0.78rem;
  font-weight: 500;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.proof-pill:hover { border-color: var(--primary); color: var(--text); }
.proof-pill.active {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary-dark);
}
.proof-chain-step {
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
  transition: background 0.2s, color 0.2s;
}
.proof-chain-step.active {
  background: var(--primary-light);
  color: var(--primary-dark);
  font-weight: 600;
}
.proof-chain-step.fail.active { background: rgba(239, 68, 68, 0.12); color: var(--red-bright); }

.fleet-stats .stat-pulse strong {
  animation: statPulse 0.4s ease-out;
}
@keyframes statPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.12); color: var(--accent); }
  100% { transform: scale(1); }
}
@media (prefers-reduced-motion: reduce) {
  .fleet-stats .stat-pulse strong { animation: none; }
}

@media (max-width: 768px) {
  .autonomy-tiers { grid-template-columns: 1fr; }
  .arch-branches { margin-left: 0; padding-left: 0.75rem; }
}

/* v3.1 — details + polish */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  padding: 0.65rem 1rem;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  border-radius: var(--radius-sm);
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
}
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.btn:focus-visible,
.theme-toggle:focus-visible,
.loop-step:focus-visible,
.proof-pill:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.section-eyebrow-left { text-align: left; margin-bottom: 0.5rem; }

.evidence-card {
  transition: transform 0.2s, box-shadow 0.2s;
}
.evidence-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
@media (prefers-reduced-motion: reduce) {
  .evidence-card:hover { transform: none; }
}

.control-plane-panel {
  border-color: rgba(13, 148, 136, 0.25);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(13, 148, 136, 0.08);
}
html[data-theme="dark"] .control-plane-panel {
  border-color: rgba(45, 212, 191, 0.2);
  box-shadow: var(--shadow-lg), 0 0 40px rgba(45, 212, 191, 0.06);
}

.roster li {
  transition: background 0.25s;
}
.roster li.verdict-flash {
  background: var(--primary-light);
  border-radius: 6px;
}

.arch-diagram-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  text-align: center;
}

.cap-detail {
  list-style: none;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.cap-detail li {
  font-size: 0.78rem;
  color: var(--text-muted);
  padding: 0.2rem 0 0.2rem 1rem;
  position: relative;
}
.cap-detail li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-size: 0.7rem;
}
.cap-detail sup a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 700;
}

.loop-detail {
  transition: opacity 0.25s ease;
}
.loop-detail.is-updating {
  opacity: 0.55;
}

.proof-checklist { margin-top: 1.25rem; }

.proof-terminal-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 0.85rem;
  background: rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.proof-terminal-dots {
  display: flex;
  gap: 0.35rem;
}
.proof-terminal-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #475569;
}
.proof-terminal-dots span:nth-child(1) { background: #ef4444; }
.proof-terminal-dots span:nth-child(2) { background: #eab308; }
.proof-terminal-dots span:nth-child(3) { background: #22c55e; }
.proof-terminal-title {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: #94a3b8;
  letter-spacing: 0.02em;
}

.matrix-caption {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 1rem;
  font-style: italic;
}
.matrix-caption a { color: var(--primary); }

.crosswalk-table tbody tr:nth-child(even) {
  background: var(--bg-soft);
}

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal-on-scroll {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* === v5 UI upgrade === */
.brand-disambiguation {
  text-align: center;
  font-size: 0.72rem;
  color: var(--text-muted);
  padding: 0.45rem 1rem;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
}
.brand-disambiguation strong {
  color: var(--text);
  font-weight: 600;
}
.brand-disambiguation .brand-other {
  font-family: var(--font-mono);
  font-size: 0.68rem;
}
.proof-live-bridge {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
}
.proof-live-bridge-note {
  font-size: 0.82rem;
  color: var(--text-muted);
}
.proof-live-bridge-note a {
  color: var(--primary);
  font-weight: 600;
}
.demo-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin: 1.25rem 0;
}
.demo-cta-note {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}
.demo-cta-note a {
  color: var(--primary);
}
.hero-cta .btn-ghost.btn-lg {
  border: 1px dashed var(--border);
}
.sticky-cta-actions {
  flex-wrap: wrap;
}
.buyer-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}
.buyer-chips span {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text-muted);
}
.hero-cta .btn-lg {
  min-height: 48px;
  min-width: 48px;
}

.trust-pills {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: var(--space-4);
}
.trust-pill {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  padding: 1.1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.trust-pill-icon {
  width: 1.35rem;
  height: 1.35rem;
  flex-shrink: 0;
  color: var(--primary);
  margin-top: 0.15rem;
}
.trust-pill strong {
  display: block;
  font-size: 0.88rem;
  margin-bottom: 0.2rem;
}
.trust-pill span {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.4;
}
.trust-strip {
  margin: var(--space-4) 0 var(--space-3);
  padding: var(--space-3) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.trust-strip-label {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  margin-bottom: 0.25rem;
}
.trust-strip-note {
  text-align: center;
  font-size: 0.72rem;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 1rem;
}
.trust-strip-badges {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  justify-content: flex-start;
  gap: 0.65rem;
  padding-bottom: 0.35rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.trust-strip-badges .framework-badge {
  flex: 0 0 auto;
}
.cohort-label {
  text-align: center;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  margin: var(--space-3) 0 0.75rem;
}

.proof-film-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}
.proof-film-hint {
  font-size: 0.72rem;
  color: var(--text-muted);
}
.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.78rem;
  min-height: 36px;
}
.proof-verdict-live {
  min-height: 1.25rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin: 0.5rem 0;
}
.proof-segmented {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0;
  padding: 0.2rem;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.proof-segmented .proof-pill {
  border: none;
  border-radius: 6px;
  background: transparent;
  border-bottom: 2px solid transparent;
  margin: 0;
}
.proof-segmented .proof-pill.active {
  background: var(--bg-card);
  border-bottom-color: var(--primary);
  box-shadow: var(--shadow);
}

.price-card-flow {
  border: 2px solid var(--primary);
  box-shadow: var(--shadow-lg);
}
.popular-badge {
  animation: badgeIn 0.5s var(--ease-out) both;
}
@keyframes badgeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .popular-badge { animation: none; }
}
.deposit-note {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 0.85rem;
  line-height: 1.4;
  font-style: italic;
}

.mobile-cta-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 150;
  padding: 0.65rem 1rem;
  background: var(--header-bg);
  border-top: 1px solid var(--border);
  backdrop-filter: blur(12px);
  transform: translateY(100%);
  transition: transform 0.3s var(--ease-out);
}
.mobile-cta-bar.visible {
  transform: translateY(0);
}
.mobile-cta-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  max-width: var(--container);
  margin: 0 auto;
}
.mobile-cta-bar .btn {
  flex: 1;
  min-height: 44px;
  font-size: 0.82rem;
  padding: 0.5rem 0.65rem;
}
.mobile-cta-dismiss {
  flex: 0 0 auto;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  line-height: 1;
}

html[data-theme="dark"] .proof-terminal-body .line.dim {
  color: #a8b8c8;
}
html[data-theme="dark"] .vendor-matrix td,
html[data-theme="dark"] .vendor-matrix th {
  border-color: var(--border);
  color: var(--text);
}
html[data-theme="dark"] .vendor-matrix .partial {
  color: var(--verdict-escalate);
}
html[data-theme="dark"] .crosswalk-table a {
  color: var(--accent);
}
html[data-theme="dark"] .explore-card:hover {
  border-color: var(--accent);
}
html[data-theme="dark"] .proof-pill:focus-visible,
html[data-theme="dark"] .nav-link:focus-visible,
html[data-theme="dark"] .btn:focus-visible {
  outline-color: var(--accent);
  outline-offset: 3px;
}

@media (max-width: 768px) {
  .trust-pills { grid-template-columns: 1fr; }
  .loop-stepper {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 0.5rem;
    padding-bottom: 0.5rem;
    -webkit-overflow-scrolling: touch;
  }
  .loop-step {
    flex: 0 0 140px;
    scroll-snap-align: start;
  }
  .loop-detail {
    position: sticky;
    top: calc(var(--scroll-offset) + 0.5rem);
    z-index: 2;
    background: var(--bg);
    padding: 1rem 0;
    border-top: 1px solid var(--border);
  }
  .vendor-matrix thead { display: none; }
  .vendor-matrix,
  .vendor-matrix tbody,
  .vendor-matrix tr,
  .vendor-matrix td { display: block; width: 100%; }
  .vendor-matrix tr {
    margin-bottom: 1rem;
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
  }
  .vendor-matrix tr.highlight-row {
    border-color: var(--primary);
    box-shadow: var(--shadow);
  }
  .vendor-matrix td {
    border: none;
    padding: 0.25rem 0;
    text-align: left !important;
  }
  .vendor-matrix td:first-child {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
  }
  .vendor-matrix td:not(:first-child)::before {
    content: attr(data-label);
    display: inline-block;
    font-size: 0.72rem;
    color: var(--text-muted);
    min-width: 8rem;
    margin-right: 0.5rem;
  }
  .feature-compare-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .mobile-cta-bar { display: block; }
  body.mobile-cta-on { padding-bottom: 4.5rem; }
}

@media (max-width: 390px) {
  .hero-grid {
    display: flex;
    flex-direction: column;
  }
  .hero-copy { order: 1; }
  .control-plane-panel { order: 2; }
  .hero { padding-top: var(--space-3); }
  .hero-cta { margin-bottom: 0.75rem; }
}

/* === v7 high-grade upgrade === */
.founding-cohort {
  margin: 1.25rem 0 1.5rem;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--primary);
  background: linear-gradient(135deg, var(--bg-soft) 0%, var(--bg) 100%);
  text-align: center;
}
.founding-cohort-pricing {
  margin-bottom: 2rem;
}
.founding-cohort-eyebrow {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.35rem;
}
.founding-cohort-copy {
  font-size: 0.95rem;
  color: var(--text);
  margin-bottom: 0.5rem;
}
.founding-cohort-seats {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}
.lane-router {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.lane-router-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.lane-router-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}
.lane-card {
  padding: 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-soft);
}
.lane-card-primary {
  border-color: var(--primary);
  background: var(--bg);
}
.lane-card h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}
.lane-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.diligence-section {
  padding: var(--space-5) 0;
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
}
.diligence-pills {
  margin: 1.5rem 0;
}
.diligence-disclaimer {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin: 1rem 0 1.25rem;
}
.complement-card {
  margin: 2rem 0;
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px dashed var(--border);
  background: var(--bg-soft);
}
.complement-card h3 {
  margin: 0.35rem 0 0.75rem;
  font-size: 1.1rem;
}
.complement-price {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0.75rem 0 1rem;
}
.platform-cta-row {
  margin-top: 1rem;
}
.integrations-section {
  padding: var(--space-5) 0;
  border-top: 1px solid var(--border);
}
.integration-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}
.integration-card {
  padding: 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-soft);
}
.integration-card h3 {
  font-size: 0.92rem;
  margin-bottom: 0.35rem;
}
.integration-card p {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.integration-snippet {
  margin: 1.5rem 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
}
.integration-snippet-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.5rem 1rem;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
}
.integration-snippet pre {
  margin: 0;
  padding: 1rem;
  overflow-x: auto;
  background: var(--bg);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.5;
}
.w1-demo-film-section {
  padding: 1.5rem 0 0;
}
.w1-demo-film-title {
  margin-bottom: 0.5rem;
}
.w1-demo-film-lead {
  margin-bottom: 1.25rem;
}
.w1-demo-film-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1.25rem;
  align-items: start;
}
.w1-demo-film {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  position: relative;
  min-height: 280px;
}
.w1-demo-video {
  width: 100%;
  display: block;
  max-height: 420px;
  background: #060a0f;
}
.w1-demo-film-fallback {
  display: none;
  padding: 0;
}
.w1-demo-embed {
  width: 100%;
  min-height: 320px;
  border: 0;
  display: block;
  background: #060a0f;
}
.w1-demo-film--fallback .w1-demo-video {
  display: none;
}
.w1-demo-film--fallback .w1-demo-film-fallback {
  display: block;
}
.w1-demo-film-note {
  font-size: 0.82rem;
  color: var(--text-muted);
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border);
  text-align: center;
}
.w1-demo-film-note a {
  color: var(--primary);
  font-weight: 600;
}
.w1-demo-film-aside {
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
}
.w1-demo-film-aside h3 {
  margin-bottom: 0.75rem;
  font-size: 1rem;
}
.w1-demo-beats {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}
.w1-demo-beats li {
  margin-bottom: 0.35rem;
}

.page-breadcrumb {
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg-soft);
}
.page-breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: 0;
  padding: 0;
}
.page-breadcrumb li + li::before {
  content: "/";
  margin-right: 0.35rem;
  opacity: 0.5;
}
.page-breadcrumb a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}
.page-breadcrumb [aria-current="page"] {
  color: var(--text);
  font-weight: 600;
}

.live-trust-bar-section {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg-soft) 0%, transparent 100%);
}
.live-trust-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
}
.live-trust-bar.is-stale .live-trust-metric-value {
  opacity: 0.55;
}
.live-trust-bar-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}
.live-trust-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  flex: 1;
}
.live-trust-metric {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.live-trust-metric-value {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}
.live-trust-metric-value.is-pass {
  color: var(--green);
}
.live-trust-metric-value.is-block {
  color: var(--red, #ef4444);
}
[data-trust-governance].is-pass {
  color: var(--green);
}
[data-trust-governance].is-block {
  color: #ef4444;
}
.live-trust-metric-label {
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.live-trust-note {
  font-size: 0.68rem;
  color: var(--text-muted);
  margin: 0;
}

@media (max-width: 768px) {
  .w1-demo-film-grid {
    grid-template-columns: 1fr;
  }
  .live-trust-bar {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media print {
  .trust-pills,
  .trust-strip-badges { flex-wrap: wrap; overflow: visible; }
  .mobile-cta-bar { display: none !important; }
  .live-trust-bar-section { display: none !important; }
  .page-breadcrumb { display: none !important; }
}

/* === v8.1 live proof upgrade === */
.hero-proof-ticker {
  margin-top: 1rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-soft);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
}
.hero-proof-ticker-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}
.hero-proof-ticker-link {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  text-decoration: none;
  color: inherit;
  flex: 1;
  min-width: 0;
}
.hero-proof-ticker-link:hover .hero-proof-ticker-cta {
  color: var(--primary);
}
.hero-proof-ticker-verdict {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  text-transform: uppercase;
}
.hero-proof-ticker-verdict.verdict-allow { background: rgba(34, 197, 94, 0.15); color: var(--green-bright); }
.hero-proof-ticker-verdict.verdict-block { background: rgba(239, 68, 68, 0.15); color: var(--red-bright); }
.hero-proof-ticker-verdict.verdict-escalate { background: rgba(245, 158, 11, 0.15); color: var(--amber-bright); }
.hero-proof-ticker-verdict.verdict-fail { background: rgba(239, 68, 68, 0.2); color: var(--red-bright); }
.hero-proof-ticker-text {
  font-size: 0.82rem;
  color: var(--text-muted);
  flex: 1;
  min-width: 0;
}
.hero-proof-ticker-cta {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--primary);
  white-space: nowrap;
}

.proof-live-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  gap: 1.25rem;
  margin-top: 1.25rem;
  align-items: start;
}
.proof-live-controls { min-width: 0; }
.proof-replay-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.proof-replay-step {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  min-width: 4rem;
  text-align: center;
}
.proof-tamper-btn[aria-pressed="true"] {
  border-color: var(--red-bright);
  color: var(--red-bright);
}
.proof-terminal-col { min-width: 0; }
.proof-evidence-panel {
  padding: 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  font-size: 0.82rem;
}
.proof-evidence-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}
.proof-evidence-head h3 {
  font-size: 0.92rem;
  margin: 0;
}
.proof-evidence-verdict {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  text-transform: uppercase;
}
.proof-evidence-verdict.verdict-allow { background: rgba(34, 197, 94, 0.15); color: var(--green-bright); }
.proof-evidence-verdict.verdict-block { background: rgba(239, 68, 68, 0.15); color: var(--red-bright); }
.proof-evidence-verdict.verdict-escalate { background: rgba(245, 158, 11, 0.15); color: var(--amber-bright); }
.proof-evidence-verdict.verdict-fail { background: rgba(239, 68, 68, 0.2); color: var(--red-bright); }
.proof-evidence-narrative {
  color: var(--text-muted);
  margin-bottom: 0.85rem;
  line-height: 1.5;
}
.proof-evidence-meta {
  margin: 0 0 0.85rem;
}
.proof-evidence-meta div {
  margin-bottom: 0.5rem;
}
.proof-evidence-meta dt {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 0.15rem;
}
.proof-evidence-meta dd {
  margin: 0;
  color: var(--text);
}
.proof-evidence-excerpt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  word-break: break-word;
}
.proof-evidence-meta code {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  word-break: break-all;
}
.proof-receipt-json-wrap {
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
}
.proof-receipt-json-label {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}
.proof-receipt-json {
  margin: 0;
  padding: 0.65rem;
  max-height: 160px;
  overflow: auto;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  line-height: 1.45;
  background: var(--terminal-bg, #0f172a);
  color: var(--terminal-text, #e2e8f0);
  border-radius: var(--radius-sm);
}
.proof-evidence-cards-section {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.proof-evidence-cards-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.proof-evidence-cards-head h3 {
  font-size: 1rem;
  margin: 0;
}
.proof-evidence-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.75rem;
}
.proof-evidence-card {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-soft);
}
.proof-evidence-card-type {
  display: inline-block;
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary);
  margin-bottom: 0.35rem;
}
.proof-evidence-card strong {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 0.35rem;
}
.proof-evidence-card-hash {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
}

@media (max-width: 1024px) {
  .proof-live-grid {
    grid-template-columns: 1fr;
  }
  .proof-evidence-panel { order: 3; }
  .proof-terminal-col { order: 2; }
}

@media (max-width: 768px) {
  .hero-proof-ticker-link {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media print {
  .proof-replay-bar,
  .proof-evidence-cards-head a,
  .hero-proof-ticker { display: none !important; }
}

/* === v9 Proof Lab === */
.proof-hero-mesh {
  position: relative;
  overflow: hidden;
}
.proof-hero-mesh::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 70% 60% at 20% -10%, rgba(13, 148, 136, 0.12), transparent 55%),
    radial-gradient(ellipse 55% 50% at 85% 20%, rgba(20, 184, 166, 0.1), transparent 50%);
  opacity: 0.9;
}
html[data-theme="dark"] .proof-hero-mesh::before {
  background:
    radial-gradient(ellipse 65% 55% at 15% -5%, rgba(45, 212, 191, 0.15), transparent 55%),
    radial-gradient(ellipse 50% 45% at 90% 15%, rgba(13, 148, 136, 0.12), transparent 50%);
}

.proof-lab-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  margin-bottom: 1rem;
}
.proof-lab-header h2 {
  font-size: 1.35rem;
  margin: 0.25rem 0 0;
}
.proof-progress-tracker {
  text-align: right;
  min-width: 140px;
}
.proof-progress-label {
  display: block;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}
.proof-progress-tracker strong {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--primary);
}
.proof-progress-bar {
  margin-top: 0.35rem;
  height: 4px;
  border-radius: 999px;
  background: var(--border);
  overflow: hidden;
}
.proof-progress-bar span {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: inherit;
  transition: width 0.4s var(--ease-out);
}

.proof-lab-grid {
  display: grid;
  grid-template-columns: minmax(200px, 0.9fr) minmax(280px, 1.4fr) minmax(240px, 1fr);
  gap: 1.25rem;
  margin-top: 1rem;
  align-items: start;
  transition: opacity 0.18s ease;
}
.proof-lab-grid.is-switching {
  opacity: 0.55;
}
.proof-lab-col-title {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin: 0 0 0.75rem;
}

.proof-scenario-cards {
  display: grid;
  gap: 0.65rem;
}
.proof-scenario-card {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  border-left-width: 3px;
  background: var(--bg-card);
  cursor: pointer;
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s, border-color 0.2s;
}
.proof-scenario-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.proof-scenario-card.active {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}
.proof-scenario-card.is-explored::after {
  content: "✓";
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  font-size: 0.7rem;
  color: var(--primary);
}
.proof-scenario-card {
  position: relative;
}
.proof-scenario-card-verdict {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  margin-bottom: 0.35rem;
  text-transform: uppercase;
}
.proof-scenario-card strong {
  display: block;
  font-size: 0.88rem;
  margin-bottom: 0.25rem;
}
.proof-scenario-card-teaser {
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin: 0;
}
.verdict-border-allow { border-left-color: var(--green-bright); }
.verdict-border-block { border-left-color: var(--red-bright); }
.verdict-border-escalate { border-left-color: var(--amber-bright); }
.verdict-border-fail { border-left-color: var(--red-bright); }

.proof-scenario-pills-fallback {
  display: none;
  margin-top: 0.75rem;
}

.proof-terminal-glass {
  backdrop-filter: blur(12px);
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(45, 212, 191, 0.2);
  box-shadow: 0 0 0 1px rgba(45, 212, 191, 0.08), var(--shadow-lg);
  position: relative;
}
html[data-theme="light"] .proof-terminal-glass {
  background: rgba(15, 23, 42, 0.92);
}
.proof-terminal-tamper-shake {
  animation: proofTamperShake 0.45s ease;
}
@keyframes proofTamperShake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-4px); }
  40% { transform: translateX(4px); }
  60% { transform: translateX(-3px); }
  80% { transform: translateX(3px); }
}
@media (prefers-reduced-motion: reduce) {
  .proof-terminal-tamper-shake { animation: none; }
  .proof-lab-grid.is-switching { opacity: 1; }
  .proof-scenario-card:hover { transform: none; }
}

.proof-scrubber-wrap {
  margin-bottom: 0.75rem;
}
.proof-scrubber-gates {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.25rem;
  margin-bottom: 0.35rem;
}
.proof-scrubber-gates span {
  font-size: 0.58rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-muted);
  text-align: center;
  opacity: 0.5;
  transition: opacity 0.2s, color 0.2s;
}
.proof-scrubber-gates span.active {
  opacity: 1;
  color: var(--primary);
  font-weight: 600;
}
.proof-scrubber {
  width: 100%;
  height: 6px;
  accent-color: var(--primary);
  cursor: pointer;
}

.proof-evidence-drawer {
  backdrop-filter: blur(10px);
  border: 1px solid rgba(45, 212, 191, 0.15);
  box-shadow: var(--shadow);
}
.proof-hash-row dd {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
}
.proof-copy-hash {
  padding: 0.15rem 0.5rem;
  font-size: 0.68rem;
  min-height: auto;
}
.proof-artifact-list {
  list-style: none;
  margin: 0 0 0.75rem;
  padding: 0;
}
.proof-artifact-list li { margin-bottom: 0.35rem; }
.proof-artifact-link {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}
.proof-artifact-link span { opacity: 0.7; }

.proof-evidence-on-disk .proof-evidence-card {
  border-left: 3px solid var(--border);
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s;
}
.proof-evidence-on-disk .proof-evidence-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.proof-evidence-on-disk .verdict-border-allow { border-left-color: var(--green-bright); }
.proof-evidence-on-disk .verdict-border-block { border-left-color: var(--red-bright); }
.proof-evidence-on-disk .verdict-border-escalate { border-left-color: var(--amber-bright); }
.proof-evidence-on-disk .verdict-border-fail { border-left-color: var(--red-bright); }
.proof-evidence-card-dl {
  display: inline-block;
  margin-top: 0.35rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--primary);
}

.stats-scenario-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.75rem 0 1.5rem;
  justify-content: center;
}
.stats-scenario-chip {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  transition: transform 0.2s, border-color 0.2s;
}
.stats-scenario-chip:hover {
  transform: translateY(-1px);
  border-color: var(--primary);
}
.stats-scenario-chip.verdict-allow { border-color: rgba(34, 197, 94, 0.35); color: var(--green-bright); }
.stats-scenario-chip.verdict-block { border-color: rgba(239, 68, 68, 0.35); color: var(--red-bright); }
.stats-scenario-chip.verdict-escalate { border-color: rgba(245, 158, 11, 0.35); color: var(--amber-bright); }
.stats-scenario-chip.verdict-fail { border-color: rgba(239, 68, 68, 0.4); color: var(--red-bright); }

.control-plane-panel.fleet-panel {
  backdrop-filter: blur(14px);
  border: 1px solid rgba(45, 212, 191, 0.18);
  box-shadow: var(--shadow-lg), 0 0 32px rgba(13, 148, 136, 0.08);
}
.roster li[data-scenario] {
  cursor: pointer;
  transition: background 0.15s;
}
.roster li[data-scenario]:hover,
.roster li[data-scenario]:focus-visible {
  background: rgba(45, 212, 191, 0.08);
  outline: none;
}
.roster-run-hint {
  font-size: 0.72rem;
  color: var(--text-muted);
  opacity: 0;
  transition: opacity 0.15s;
}
.roster li[data-scenario]:hover .roster-run-hint {
  opacity: 1;
}
.live-dot {
  animation: livePulse 2s ease-in-out infinite;
}
@keyframes livePulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5); }
  50% { opacity: 0.85; box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
}
@media (prefers-reduced-motion: reduce) {
  .live-dot { animation: none; }
  .stats-scenario-chip:hover { transform: none; }
}

@media (max-width: 1024px) {
  .proof-lab-grid {
    grid-template-columns: 1fr;
  }
  .proof-lab-scenarios { order: 1; }
  .proof-lab-terminal { order: 2; }
  .proof-evidence-drawer { order: 3; }
  .proof-scenario-cards {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  }
}

@media (max-width: 640px) {
  .proof-scenario-cards { grid-template-columns: 1fr; }
  .proof-scenario-pills-fallback { display: inline-flex; }
}

/* Learn hub — Linear-style chapter onboarding */
.page-learn .learn-hero { padding-bottom: var(--space-4); }
.learn-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}
.learn-meta-chip {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--text-muted);
}
.learn-meta-link {
  color: var(--primary);
  text-decoration: none;
}
.learn-meta-link:hover { background: var(--primary-light); color: var(--text); }

.learn-hub { padding: var(--space-5) 0 var(--space-6); background: var(--bg-soft); }
.learn-hub-grid {
  display: grid;
  grid-template-columns: minmax(240px, 280px) 1fr;
  gap: 2rem;
  align-items: start;
}
.learn-sidebar {
  position: sticky;
  top: 88px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.learn-progress-wrap { margin-bottom: 1.25rem; }
.learn-progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}
.learn-progress-bar {
  height: 6px;
  background: var(--bg-soft);
  border-radius: 999px;
  overflow: hidden;
}
.learn-progress-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--primary), var(--verdict-allow));
  border-radius: 999px;
  transition: width 0.35s ease;
}
.learn-chapter-nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.learn-chapter-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
  width: 100%;
  text-align: left;
  padding: 0.65rem 0.75rem;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  font: inherit;
  color: var(--text-muted);
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.learn-chapter-btn:hover { background: var(--bg-soft); color: var(--text); }
.learn-chapter-btn.active {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--text);
}
.learn-chapter-btn.is-done .learn-ch-btn-title::after {
  content: " ✓";
  color: var(--verdict-allow);
  font-size: 0.75rem;
}
.learn-ch-btn-time {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--primary);
}
.learn-ch-btn-title { font-size: 0.82rem; font-weight: 600; }
.learn-sidebar-heading {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin: 1.25rem 0 0.65rem;
}
.learn-workflow-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.learn-workflow-list li {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.45;
}
.learn-workflow-list strong {
  display: block;
  color: var(--text);
  font-size: 0.82rem;
  margin-bottom: 0.15rem;
}

.learn-chapter-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  margin-bottom: 1.5rem;
}
.learn-chapter-time {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--primary);
  font-weight: 600;
}
.learn-chapter-head h2 {
  font-size: 1.65rem;
  margin: 0.35rem 0 0.25rem;
}
.learn-chapter-sub {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin: 0;
}
.learn-chapter-summary {
  margin: 1.25rem 0 1.5rem;
  line-height: 1.65;
  color: var(--text);
}
.learn-chapter-proof {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
  padding: 0.75rem 1rem;
  background: var(--bg-soft);
  border-radius: 8px;
  border: 1px dashed var(--border);
}
.learn-proof-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
}
.learn-proof-slug {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--verdict-allow);
}
.learn-chapter-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.learn-chapter-nav-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.learn-film-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.learn-film-strip h3 { font-size: 1rem; margin: 0 0 0.25rem; }
.learn-film-strip p { margin: 0; font-size: 0.85rem; color: var(--text-muted); }

.learn-resources h3,
.learn-live-cta h3 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
}
.learn-resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.75rem;
  margin-bottom: 2rem;
}
.learn-resource-card {
  display: block;
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s, transform 0.15s;
}
.learn-resource-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}
.learn-res-kind {
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--primary);
}
.learn-resource-card h4 {
  font-size: 0.92rem;
  margin: 0.35rem 0 0.25rem;
}
.learn-resource-card p {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.45;
}
.learn-live-cta {
  text-align: center;
  padding: 2rem 1.5rem;
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--primary-light) 120%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.learn-live-cta p {
  max-width: 520px;
  margin: 0 auto 1.25rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.explore-card-featured {
  border-color: var(--primary);
  background: linear-gradient(145deg, var(--bg-card) 0%, var(--primary-light) 140%);
  grid-column: span 2;
}
@media (max-width: 900px) {
  .explore-card-featured { grid-column: span 1; }
  .learn-hub-grid { grid-template-columns: 1fr; }
  .learn-sidebar { position: static; }
}

@media (prefers-reduced-motion: reduce) {
  .learn-progress-fill { transition: none; }
  .learn-resource-card:hover { transform: none; }
}