/**
 * Shared public-site chrome — landing (/) and SPA (/pricing, /releases).
 * Class names: packages/web/src/app/lib/public-site-chrome.ts
 */
:root {
  --public-site-content-max: 80rem;
  --public-site-page-gutter: clamp(1.5rem, 4vw, 2.5rem);
  --public-site-content-width: min(
    var(--public-site-content-max),
    calc(100% - 2 * var(--public-site-page-gutter))
  );
  --public-site-header-height: 3.5rem;
  --public-site-header-offset: var(--public-site-header-height);
  --public-site-chrome-edge-padding: 0.625rem;
  --public-site-chrome-font-size: 14px;
  --public-site-chrome-line-height: 1.25;
  --public-site-chrome-font-weight: 400;
  --public-site-chrome-font-family:
    "Inter", "Inter Variable", ui-sans-serif, system-ui, sans-serif;
  --public-site-nav-color: #5c6675;
  --public-site-nav-hover-color: #252f3d;
  --public-site-main-color: #252f3d;
  --public-site-header-bg: rgba(247, 247, 244, 0.85);
}

.container,
.public-site-container {
  width: var(--public-site-content-width);
  margin-inline: auto;
}

.public-site-header-offset {
  padding-top: var(--public-site-header-offset);
}

.site-header,
.public-site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  background: var(--public-site-header-bg);
  backdrop-filter: blur(8px);
  font-family: var(--public-site-chrome-font-family);
  font-size: var(--public-site-chrome-font-size);
  font-weight: var(--public-site-chrome-font-weight);
  line-height: var(--public-site-chrome-line-height);
  -webkit-font-smoothing: antialiased;
}

.header-inner,
.public-site-header-row {
  position: relative;
  display: flex;
  min-height: var(--public-site-header-height);
  box-sizing: border-box;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--public-site-chrome-edge-padding);
  gap: 1rem;
}

.brand,
.public-site-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--public-site-main-color);
  line-height: var(--public-site-chrome-line-height);
}

.brand-mark,
.public-site-brand-mark {
  width: 2.25rem;
  height: 2.25rem;
  flex-shrink: 0;
}

.brand-name,
.public-site-brand-name {
  font-size: var(--public-site-chrome-font-size);
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  line-height: var(--public-site-chrome-line-height);
}

.site-nav,
.public-site-nav {
  display: none;
  align-items: center;
  gap: 2rem;
  font-size: var(--public-site-chrome-font-size);
  font-weight: var(--public-site-chrome-font-weight);
  line-height: var(--public-site-chrome-line-height);
  color: var(--public-site-nav-color);
}

@media (min-width: 768px) {
  .site-nav,
  .public-site-nav {
    display: flex;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 0;
  }

  .brand,
  .public-site-brand,
  .header-actions,
  .public-site-header-actions {
    position: relative;
    z-index: 1;
  }
}

.site-nav-tab,
.site-nav-current,
.public-site-nav-link,
.public-site-nav-current {
  font-family: inherit;
  font-size: var(--public-site-chrome-font-size);
  font-weight: var(--public-site-chrome-font-weight);
  line-height: var(--public-site-chrome-line-height);
  text-decoration: none;
  color: var(--public-site-nav-color);
  transition: color 0.15s;
}

.site-nav-tab:hover,
.public-site-nav-link:hover {
  color: var(--public-site-nav-hover-color);
}

.site-nav-current,
.public-site-nav-current {
  cursor: default;
}

.header-actions,
.public-site-header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.public-site-chrome-text,
.btn-login,
.btn-header-download,
.public-site-btn-login,
.public-site-btn-download {
  font-family: inherit;
  font-size: var(--public-site-chrome-font-size);
  line-height: var(--public-site-chrome-line-height);
}

.btn-login,
.public-site-btn-login {
  display: inline-block;
  padding: 0.5rem 1rem;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 9999px;
  background: #fff;
  text-decoration: none;
  color: var(--public-site-main-color);
  font-weight: var(--public-site-chrome-font-weight);
  transition: background 0.15s;
}

.btn-login:hover,
.public-site-btn-login:hover {
  background: #f0f0f4;
}

.btn-header-download,
.public-site-btn-download {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding-block: 0.5rem;
  padding-inline: 0.6875rem 1rem;
  border: none;
  border-radius: 9999px;
  background: #0f172a;
  color: #fff;
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  transition: background 0.15s;
}

.btn-header-download .btn-primary-icon,
.public-site-btn-download-icon {
  display: flex;
  flex-shrink: 0;
  width: 1rem;
  height: 1rem;
  align-items: center;
  justify-content: center;
}

.btn-header-download .btn-primary-icon svg,
.public-site-btn-download-icon svg {
  display: block;
  width: 1rem;
  height: 1rem;
}

.btn-header-download:hover,
.public-site-btn-download:hover {
  background: #1e293b;
}

.btn-header-download.is-pending {
  opacity: 0.6;
  pointer-events: none;
}

body {
  margin: 0;
  background: #f7f7f4;
}

.page {
  --content-width: var(--public-site-content-width);
  box-sizing: border-box;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-top: var(--public-site-header-offset);
  font-family: var(--public-site-chrome-font-family);
  font-size: var(--public-site-chrome-font-size);
  font-weight: var(--public-site-chrome-font-weight);
  line-height: var(--public-site-chrome-line-height);
  background: #f7f7f4;
  color: #252f3d;
  -webkit-font-smoothing: antialiased;
}

.main-content {
  flex: 1 0 auto;
  padding-bottom: 2rem;
}

.site-footer {
  padding: 2rem 0 calc(var(--public-site-chrome-edge-padding) * 2);
  text-align: center;
  font-size: var(--public-site-chrome-font-size);
  color: #8b95a5;
}

.site-footer-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.site-footer-nav a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease;
}

.site-footer-nav a:hover {
  color: #5c6675;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.site-footer-copy {
  margin: 0;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", ui-sans-serif, system-ui, sans-serif;
  font-size: 14px;
  background: #f7f7f4;
  color: #252f3d;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Hero */
.hero {
  padding: 3rem 0 0;
  text-align: center;
  container-type: inline-size;
}

.hero-title {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.375rem;
  color: #252f3d;
  font-size: clamp(2rem, 4.5cqi + 1rem, 3.875rem);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.hero-brand-name,
.hero-headline {
  display: block;
}

.hero-brand-name {
  font-size: clamp(1.125rem, 2cqi + 0.75rem, 1.5rem);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #5c6675;
}

.hero-subtitle {
  margin: 1.25rem auto 0;
  max-width: 36rem;
  font-size: 1.125rem;
  line-height: 1.6;
  color: #5c6675;
}

.hero-actions {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding-block: 0.875rem;
  padding-inline: 1.375rem 1.75rem;
  border: none;
  border-radius: 9999px;
  background: #0f172a;
  color: #fff;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-primary-icon {
  display: flex;
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  align-items: center;
  justify-content: center;
}

.btn-primary-icon svg {
  display: block;
  width: 1.25rem;
  height: 1.25rem;
}

.btn-primary:hover {
  background: #1e293b;
}

.btn-primary.is-pending {
  opacity: 0.6;
  pointer-events: none;
}

.download-status {
  font-size: 0.875rem;
  color: #8b95a5;
}

@media (min-width: 768px) {
  .hero {
    padding-top: 5rem;
  }
}

/* Demo stage */
.demo-stage {
  position: relative;
  margin-top: 3rem;
  width: var(--content-width);
  margin-inline: auto;
}

.demo-stage-bg {
  position: absolute;
  inset: 0;
  border-radius: 12px;
  overflow: hidden;
}

.demo-stage-photo {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}

.demo-stage-overlay {
  display: none;
}

.demo-stage-inner {
  position: relative;
  z-index: 1;
  padding: 2.5rem 5rem;
}

/* Product mock — повторяет токены @razum/client-ui */
.product-mock {
  --m-app: #f8f8f8;
  --m-panel-left: #f0f0f4;
  --m-panel-main: #faf9f7;
  --m-panel-right: #f8f8f8;
  --m-surface: #ffffff;
  --m-sunken: #f0f0f4;
  --m-border: #e5e5e5;
  --m-border-subtle: #f0f0f0;
  --m-split: #eaeaea;
  --m-main: #262a2f;
  --m-secondary: #5f6670;
  --m-muted: #717780;
  --m-icon: #8a9099;
  --m-added: #047857;
  --m-modified: #b45309;
  --m-deleted: #be123c;
  --m-avatar: #1f7acb;
  --m-font: 12px;
  --m-font-sm: 11px;
  --m-font-lg: 13px;
  --m-font-xs: 10px;

  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 12px;
  background: var(--m-app);
  font-size: var(--m-font);
  color: var(--m-main);
  max-width: none;
  width: 100%;
  margin: 0;
  box-shadow:
    0 28px 70px rgba(0, 0, 0, 0.18),
    0 14px 32px rgba(0, 0, 0, 0.12),
    0 0 0 1px rgba(0, 0, 0, 0.06);
}

.mock-pane-chrome {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  height: 32px;
  min-height: 32px;
}

.mock-panel-chrome {
  border-bottom: 1px solid var(--m-split);
}

.mock-body {
  display: grid;
  grid-template-columns: 1fr;
  min-height: 500px;
  background: var(--m-panel-main);
}

/* Sidebar (левая колонка) */
.mock-sidebar {
  display: flex;
  min-height: 0;
  flex-direction: column;
  border-bottom: 1px solid var(--m-split);
  background: var(--m-panel-left);
}

.mock-sidebar-chrome {
  gap: 0.125rem;
  padding: 0 0.25rem 0 0.75rem;
  background: var(--m-panel-left);
}

.mock-traffic-lights {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: 0.5rem;
  width: 74px;
}

.mock-traffic-light {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.mock-traffic-light--close {
  background: #ff5f57;
}

.mock-traffic-light--minimize {
  background: #febc2e;
}

.mock-traffic-light--zoom {
  background: #28c840;
}

.mock-sidebar-toggle {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  margin-left: 0.125rem;
  border-radius: 0.375rem;
  color: var(--m-secondary);
}

.mock-sidebar-scroll {
  flex: 1;
  min-height: 0;
  padding: 0 0.5rem 0.5rem;
  overflow: hidden;
}

.mock-sidebar-bottom {
  display: flex;
  flex-shrink: 0;
  flex-direction: column;
  gap: 2px;
  margin-top: auto;
  padding: 0 0.5rem 0.375rem;
}

.mock-sidebar-row {
  display: flex;
  width: 100%;
  align-items: center;
  gap: 0.625rem;
  padding: 0.375rem 0.5rem;
  border: none;
  border-radius: 8px;
  background: transparent;
  font-family: inherit;
  font-size: var(--m-font);
  text-align: left;
  color: var(--m-main);
  cursor: pointer;
  transition: background 0.12s ease;
}

.mock-sidebar-row:hover {
  background: #0000000a;
}

.mock-sidebar-row:focus-visible {
  outline: 2px solid var(--m-avatar);
  outline-offset: -1px;
}

.mock-row-icon {
  flex-shrink: 0;
  margin-top: 1px;
  color: var(--m-icon);
}

.mock-new-agent {
  display: grid;
  grid-template-columns: 1.25rem minmax(0, 1fr);
  align-items: center;
  color: var(--m-main);
  cursor: default;
}

.mock-projects-header {
  display: flex;
  width: 100%;
  align-items: center;
  gap: 0.25rem;
  margin-top: 0.125rem;
  padding: 0.25rem 0.5rem;
  border: none;
  border-radius: 8px;
  background: transparent;
  font-family: inherit;
  font-size: var(--m-font-sm);
  color: var(--m-muted);
  cursor: default;
}

.mock-workspace-header {
  display: grid;
  width: 100%;
  grid-template-columns: 1.25rem minmax(0, 1fr);
  align-items: center;
  gap: 0.625rem;
  padding: 0.375rem 0.5rem;
  border: none;
  border-radius: 8px;
  background: transparent;
  font-family: inherit;
  font-size: var(--m-font);
  color: var(--m-secondary);
  cursor: default;
  text-align: left;
}

.mock-workspace.is-collapsed {
  margin-top: 0.125rem;
}

.mock-session-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 1px;
  padding-left: 0.25rem;
}

.mock-session {
  display: grid;
  grid-template-columns: 1rem minmax(0, 1fr);
  align-items: flex-start;
  color: var(--m-secondary);
}

.mock-session.is-active {
  background: #0000000d;
  color: var(--m-main);
}

.mock-session-icon {
  flex-shrink: 0;
  width: 1rem;
  height: 1rem;
}

.mock-session-title {
  min-width: 0;
  overflow: hidden;
  font-size: var(--m-font);
  line-height: 1.3;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mock-session.is-active .mock-session-title {
  font-weight: 500;
}

.mock-session-text {
  display: flex;
  min-width: 0;
  flex: 1;
  flex-direction: column;
  gap: 1px;
}

.mock-session-sub {
  overflow: hidden;
  font-size: var(--m-font-sm);
  line-height: 1.3;
  color: var(--m-muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mock-open-project {
  display: grid;
  width: 100%;
  grid-template-columns: 1.25rem minmax(0, 1fr);
  align-items: center;
  gap: 0.625rem;
  padding: 0.375rem 0.5rem;
  border: none;
  border-radius: 8px;
  background: transparent;
  font-family: inherit;
  font-size: var(--m-font);
  color: var(--m-main);
  cursor: default;
  text-align: left;
}

/* Карточка пользователя */
.mock-user-card {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.mock-user-button {
  display: grid;
  min-width: 0;
  flex: 1;
  grid-template-columns: 1.25rem minmax(0, 1fr);
  align-items: center;
  gap: 0.625rem;
  padding: 0.375rem 0.5rem;
  border: none;
  border-radius: 8px;
  background: transparent;
  font-family: inherit;
  text-align: left;
  cursor: default;
}

.mock-user-avatar {
  display: flex;
  flex-shrink: 0;
  width: 1.75rem;
  height: 1.75rem;
  margin-left: -0.25rem;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--m-border);
  color: var(--m-secondary);
  font-size: var(--m-font-xs);
  font-weight: 500;
}

.mock-user-text {
  display: flex;
  min-width: 0;
  flex-direction: column;
  line-height: 1.25;
}

.mock-user-name {
  overflow: hidden;
  font-size: var(--m-font);
  font-weight: 400;
  color: var(--m-main);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mock-user-plan {
  overflow: hidden;
  font-size: var(--m-font-sm);
  color: var(--m-muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mock-user-settings {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 20px;
  min-width: 20px;
  max-width: 20px;
  height: 20px;
  padding: 0;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--m-secondary);
  cursor: default;
}

.mock-user-settings svg {
  display: block;
  flex-shrink: 0;
}

/* Main (центральная колонка) */
.mock-main {
  display: flex;
  min-height: 0;
  flex-direction: column;
  background: var(--m-panel-main);
}

.mock-main-chrome {
  justify-content: flex-start;
  padding: 0 0.25rem;
  background: var(--m-panel-main);
}

.mock-main-title {
  max-width: min(40vw, 360px);
  padding: 0 0.5rem;
  font-size: var(--m-font);
  font-weight: 400;
  color: var(--m-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mock-main-body {
  display: flex;
  min-height: 0;
  flex: 1;
  flex-direction: column;
}

.mock-transcript-scroll {
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.mock-transcript-inner {
  max-width: 56rem;
  margin: 0 auto;
  padding: 0.75rem 3rem 1rem;
}

.demo-panels {
  position: relative;
  min-height: 0;
}

.demo-panel {
  animation: demo-panel-in 0.22s ease;
}

.demo-panel[hidden] {
  display: none !important;
}

@keyframes demo-panel-in {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.mock-transcript {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mock-user-prompt {
  padding: 0.625rem 1rem;
  border: 1px solid var(--m-border);
  border-radius: 12px;
  background: var(--m-surface);
  font-size: var(--m-font);
  font-weight: 380;
  line-height: 1.5;
  color: var(--m-main);
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.045);
}

.mock-thinking {
  font-size: var(--m-font-sm);
  font-style: italic;
  color: var(--m-muted);
}

.mock-activity {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.mock-activity-item {
  display: flex;
  align-items: flex-start;
  gap: 0.375rem;
  font-size: var(--m-font);
  line-height: 1.45;
  color: var(--m-muted);
}

.mock-activity-item.is-active {
  color: var(--m-secondary);
}

.mock-activity-chevron {
  flex-shrink: 0;
  margin-top: 0.05rem;
  font-size: var(--m-font);
  line-height: 1.3;
  color: var(--m-icon);
}

.mock-activity-item code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: var(--m-font-sm);
  color: var(--m-secondary);
}

.mock-agent-text {
  margin: 0;
  font-size: var(--m-font);
  line-height: 1.55;
  color: var(--m-main);
}

.mock-composer-footer {
  flex-shrink: 0;
  max-width: 56rem;
  margin: 0 auto;
  padding: 0 3rem 0.2rem;
  width: 100%;
}

.mock-composer-meta {
  display: flex;
  min-height: 1.75rem;
  align-items: center;
  justify-content: flex-end;
  margin: 0.4375rem 0 0.25rem;
  padding-right: 0.25rem;
}

.mock-context-usage {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 11px;
  line-height: 1;
  color: var(--m-muted);
}

.mock-context-ring {
  width: 14px;
  height: 14px;
}

/* Composer — compact footer (chat-composer isCompact + index usage row) */
.mock-composer {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0.625rem 0.75rem;
  min-height: 0;
  border: 0.5px solid #ebebeb;
  border-radius: 9999px;
  background: var(--m-surface);
  box-shadow: 0 1px 10px rgba(0, 0, 0, 0.025);
}

.mock-composer-add,
.mock-composer-send {
  display: flex;
  flex-shrink: 0;
  width: 23px;
  height: 23px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.mock-composer-add {
  background: var(--m-sunken);
  color: var(--m-muted);
}

.mock-composer-field {
  position: relative;
  display: flex;
  flex: 1;
  min-width: 0;
  align-items: center;
  min-height: calc(var(--m-font) * 1.5);
}

.mock-composer:not(.has-text) .mock-composer-text {
  display: none;
}

.mock-composer.has-text .mock-composer-placeholder {
  display: none;
}

.mock-composer-text {
  display: block;
  overflow: hidden;
  font-size: var(--m-font);
  font-weight: 380;
  line-height: 1.5;
  color: var(--m-main);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mock-composer-placeholder {
  display: block;
  overflow: hidden;
  font-size: var(--m-font);
  font-weight: 380;
  line-height: 1.5;
  color: var(--m-muted);
  opacity: 0.55;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mock-composer-actions {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: 0.25rem;
}

.mock-composer-mode {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  height: 1.75rem;
  padding: 0 0.625rem;
  border-radius: 9999px;
  font-size: var(--m-font-sm);
  line-height: 1;
  color: var(--m-main);
}

.mock-composer-mode-chevron {
  color: var(--m-muted);
}

.mock-composer-send {
  background: var(--m-main);
  color: #fff;
}

.mock-composer-send.is-hidden {
  display: none;
}

/* Правая панель — файлы + просмотр */
.mock-panel {
  display: none;
  min-height: 0;
  flex-direction: column;
  border-left: 1px solid var(--m-split);
  background: var(--m-panel-right);
}

.mock-panel-chrome {
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0 0.25rem;
  background: var(--m-panel-right);
}

.mock-panel-tabs {
  display: flex;
  min-width: 0;
  flex: 1;
  align-items: center;
  gap: 0.375rem;
  overflow: hidden;
  padding-left: 0.25rem;
}

.mock-panel-tab {
  flex-shrink: 0;
  padding: 0.125rem 0.5rem;
  border-radius: 6px;
  font-size: var(--m-font-sm);
  color: var(--m-muted);
  white-space: nowrap;
}

.mock-panel-tab.is-active {
  color: var(--m-main);
}

.mock-panel-tab.is-doc {
  border: 1px solid var(--m-border-subtle);
  background: var(--m-surface);
}

.mock-panel-tab.is-active-doc {
  background: #0000000a;
  color: var(--m-main);
}

.mock-panel-actions {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: 0.125rem;
  padding-right: 0.25rem;
  color: var(--m-muted);
  font-size: var(--m-font);
}

.mock-panel-action {
  display: flex;
  width: 1.5rem;
  height: 1.5rem;
  align-items: center;
  justify-content: center;
}

.mock-panel-breadcrumb {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  border-bottom: 1px solid var(--m-border-subtle);
  font-size: var(--m-font-sm);
  color: var(--m-muted);
}

.mock-panel-preview {
  display: flex;
  min-height: 0;
  flex: 1;
  flex-direction: column;
  background: var(--m-surface);
}

.mock-md-preview {
  min-height: 0;
  flex: 1;
  overflow: hidden;
  padding: 0.75rem 0.875rem;
  font-size: var(--m-font-sm);
  line-height: 1.55;
  color: var(--m-main);
}

.mock-md-preview h1 {
  margin: 0 0 0.625rem;
  font-size: var(--m-font-lg);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.mock-md-preview h2 {
  margin: 0.875rem 0 0.5rem;
  font-size: var(--m-font);
  font-weight: 700;
  line-height: 1.35;
}

.mock-md-preview h3 {
  margin: 0.75rem 0 0.375rem;
  font-size: var(--m-font-sm);
  font-weight: 600;
  line-height: 1.35;
}

.mock-md-preview p {
  margin: 0 0 0.5rem;
  color: var(--m-secondary);
}

.mock-md-preview ul {
  margin: 0;
  padding-left: 1.125rem;
  color: var(--m-secondary);
}

.mock-md-preview li + li {
  margin-top: 0.25rem;
}

.mock-md-preview code {
  padding: 0.05rem 0.25rem;
  border-radius: 4px;
  background: #0000000a;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: var(--m-font-xs);
}

.mock-md-preview strong {
  font-weight: 600;
  color: var(--m-main);
}

@media (min-width: 768px) {
  .demo-stage {
    margin-top: 4rem;
  }

  .mock-body {
    grid-template-columns: 200px minmax(0, 1fr);
    min-height: 540px;
  }

  .mock-sidebar {
    border-bottom: none;
    border-right: 1px solid var(--m-split);
  }
}

@media (min-width: 1024px) {
  .mock-body {
    grid-template-columns: 200px minmax(0, 1fr) minmax(320px, 40%);
  }

  .mock-panel {
    display: flex;
  }

  .mock-transcript-inner,
  .mock-composer-footer {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

@media (min-width: 1280px) {
  .mock-transcript-inner,
  .mock-composer-footer {
    padding-left: 3rem;
    padding-right: 3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .demo-panel {
    animation: none;
  }
}

/* Sections */
.section {
  margin-top: 4rem;
}

.section-title {
  margin: 0;
  text-align: center;
  font-size: 1.25rem;
  font-weight: 600;
}

.section-title-lg {
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  margin: 1rem auto 0;
  max-width: 42rem;
  text-align: center;
  font-size: 1rem;
  line-height: 1.6;
  color: #5c6675;
}

.steps-grid {
  margin-top: 2.5rem;
  display: grid;
  gap: 2rem;
}

.step-card .step-num {
  display: flex;
  width: 2.25rem;
  height: 2.25rem;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #0f172a;
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
}

.step-card h3 {
  margin: 0.75rem 0 0;
  font-size: 1rem;
  font-weight: 600;
}

.step-card p {
  margin: 0.5rem 0 0;
  font-size: 0.875rem;
  line-height: 1.6;
  color: #5c6675;
}

/* CTA */
.cta-actions {
  margin-top: 4rem;
  display: flex;
  justify-content: center;
}

@media (min-width: 768px) {
  .section {
    margin-top: 6rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .section-title-lg {
    font-size: 1.875rem;
  }

  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}