:root {
  --bg: #ffffff;
  --bg-soft: #ffffff;
  --surface: #ffffff;
  --surface-elevated: #f2f5f9;
  --surface-pressed: #e3ebf4;
  --text: #1b2a42;
  --muted: #5f6f87;
  --accent: #0b3a6e;
  --accent-hover: #0a345f;
  --accent-soft: #d4e0ee;
  --accent-strong: #082b51;
  --border: #c5d3e4;
  --good: #1f8f4d;
  --danger: #c73b4a;
  --info: #315f8f;
  --warning: #b27a1e;
  --danger-soft: #fff1f3;
  --warning-soft: #fff7e8;
  --info-soft: #eaf1f8;
  --header-shadow: 0 12px 26px rgba(8, 42, 78, 0.2);
  --container-max: 1120px;
  --container-gutter: 92vw;
  --space-1: 8px;
  --space-2: 12px;
  --space-3: 16px;
  --space-4: 22px;
  --space-5: 28px;
  --radius-control: 12px;
  --radius-card: 16px;
  --control-height: 42px;
  --nav-control-height: 40px;
  --paragraph-gap: 12px;
  --section-gap: 18px;
  --record-gap: 14px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

header, main, footer { width: min(var(--container-max), var(--container-gutter)); margin: 0 auto; }
main {
  display: grid;
  gap: var(--section-gap);
  padding: var(--space-4) 0 54px;
}

.site-header {
  margin-top: 14px;
  padding: 0;
  border-radius: 18px;
  background: linear-gradient(135deg, #0b3a6e 0%, #09345f 100%);
  box-shadow: var(--header-shadow);
  overflow: hidden;
}

.top-header {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  padding: var(--space-3) 18px;
}

.brand-zone {
  display: grid;
  gap: 2px;
  text-decoration: none;
  min-height: var(--control-height);
  transition: opacity .2s ease;
}

.brand-title {
  color: #ffffff;
  font-weight: 700;
  font-size: 1.1rem;
  line-height: 1.2;
}

.brand-subtitle {
  color: rgba(234, 243, 255, 0.96);
  font-size: 0.86rem;
  line-height: 1.35;
  max-width: 390px;
}

.top-actions,
.section-nav,
.legal-nav,
.demo-nav,
.news-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.top-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: var(--radius-control);
  min-height: var(--control-height);
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.08);
  font-weight: 600;
  line-height: 1.1;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}

.section-nav {
  margin: 0;
  padding: var(--space-2) 18px var(--space-3);
  gap: var(--space-1);
}

.page-quick-links {
  padding: 0;
  margin-top: 2px;
  margin-bottom: 4px;
}

.section-nav a,
.legal-nav a,
.demo-nav a,
.news-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: var(--accent-strong);
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  min-height: var(--nav-control-height);
  padding: 8px 14px;
  background: var(--surface-elevated);
  line-height: 1.1;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}

.page-quick-links a {
  color: var(--accent-strong);
  border-color: var(--border);
  background: var(--surface-elevated);
}

.entry-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.entry-nav a,
.card-action-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: var(--accent-strong);
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  min-height: var(--nav-control-height);
  padding: 8px 14px;
  background: var(--surface-elevated);
  line-height: 1.1;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}

.top-actions a:hover,
.legal-nav a:hover,
.demo-nav a:hover,
.news-nav a:hover,
.brand-zone:hover {
  border-color: rgba(255, 255, 255, 0.62);
  background: rgba(255, 255, 255, 0.18);
  color: #ffffff;
  transform: translateY(-1px);
}

.brand-zone:hover {
  border-color: transparent;
  background: transparent;
  opacity: 0.92;
}

.page-quick-links a:hover,
.legal-nav a:hover,
.demo-nav a:hover,
.news-nav a:hover,
.entry-nav a:hover,
.card-action-link:hover {
  border-color: var(--accent);
  background: var(--surface-pressed);
  color: var(--accent-strong);
}

.top-actions a:active,
.legal-nav a:active,
.demo-nav a:active,
.news-nav a:active,
.brand-zone:active,
.link-card:active {
  background: var(--surface-pressed);
  color: var(--accent-strong);
  border-color: var(--accent-soft);
  transform: translateY(0);
}

.brand-zone:active {
  background: transparent;
  border-color: transparent;
  opacity: 0.85;
}

.top-actions a.is-active,
.demo-nav a.is-active,
.news-nav a.is-active,
.link-card.is-active {
  background: #ffffff;
  color: var(--accent-strong);
  border-color: #ffffff;
}

section, .card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: var(--space-4);
  margin: 0;
  box-shadow: 0 8px 18px rgba(31, 53, 82, 0.06);
  transition: background-color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

h1 {
  margin: 0 0 var(--space-3);
  font-size: 2rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
h2 {
  margin: 0 0 var(--space-2);
  font-size: 1.25rem;
  line-height: 1.3;
}
h3 {
  margin: 0 0 var(--space-1);
  font-size: 1.05rem;
  line-height: 1.35;
}
p { margin: 0 0 var(--paragraph-gap); }
ul, ol { margin: 0; padding-left: 20px; }
main > section:last-child,
section > :last-child,
.card > :last-child { margin-bottom: 0; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--record-gap);
  margin-bottom: var(--section-gap);
}

small, .muted { color: var(--muted); }
form { display: grid; gap: 12px; }
label { font-weight: 600; font-size: 0.95rem; }
input, select, textarea {
  width: 100%;
  margin-top: 6px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  font: inherit;
  background: #ffffff;
  color: var(--text);
}

button {
  width: fit-content;
  background: var(--accent);
  border: 1px solid var(--accent);
  color: #ffffff;
  border-radius: var(--radius-control);
  min-height: var(--control-height);
  padding: 10px 16px;
  font: inherit;
  font-weight: 600;
  line-height: 1.1;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease;
}

button:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

button:active {
  background: #082b51;
  color: #ffffff;
  border-color: #082b51;
}

.link-card {
  display: block;
  text-decoration: none;
  color: inherit;
  min-height: 100%;
}

.link-card:hover {
  color: inherit;
}

.link-card:hover .card,
.link-card:focus-visible .card {
  background: #eaf1f8;
  border-color: #0b3a6e;
  box-shadow: 0 18px 36px rgba(8, 42, 78, 0.2);
  transform: translateY(-3px);
}

.link-card:hover .card *,
.link-card:focus-visible .card * {
  color: inherit;
}

.link-card:active .card {
  background: var(--surface-pressed);
  border-color: var(--accent);
  box-shadow: 0 10px 20px rgba(8, 42, 78, 0.12);
  transform: translateY(0);
}

.link-card:focus-visible {
  outline: none;
}

.link-card:focus-visible .card {
  box-shadow: 0 0 0 3px rgba(11, 58, 110, 0.18), 0 16px 30px rgba(8, 42, 78, 0.18);
}

footer {
  display: grid;
  gap: 10px;
  padding: 2px 0 32px;
}

.footer-brand,
.footer-contacts {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: var(--space-3) var(--space-4);
}

.footer-title {
  margin: 0 0 4px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent-strong);
}

.footer-heading {
  margin: 0 0 4px;
  font-weight: 700;
}

.footer-contacts p {
  margin-bottom: 4px;
}

.signature { display: block; margin-top: 6px; }

.card-label {
  display: inline-block;
  margin: 0 0 var(--space-2);
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--accent-strong);
  background: #eaf1f8;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.capability-card,
.scenario-card,
.explanation-card,
.audience-card,
.demo-card,
.news-card,
.faq-item,
.pricing-card,
.contact-card,
.legal-card,
.record-card { margin: 0; }

.faq-item,
.news-card,
.pricing-card,
.contact-card,
.legal-card,
.record-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: var(--space-4);
}

.block-stack,
.record-stack,
.section-stack {
  display: grid;
  gap: var(--record-gap);
}

.page-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: var(--space-4);
}

.required-note { margin-bottom: 10px; font-size: 0.92rem; color: var(--muted); }
.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.card-action-link-primary {
  color: #ffffff;
  background: var(--accent);
  border-color: var(--accent);
}

.card-action-link-primary:hover {
  color: #ffffff;
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.card-secondary {
  background: #f7f9fc;
  border-style: dashed;
}

.card-action-link-secondary {
  color: var(--accent-strong);
  background: #edf2f8;
  border-color: #b9c9dc;
}

.card-action-link-secondary:hover {
  background: #e2ebf5;
  border-color: #a8bdd5;
}
.field-error { display: block; min-height: 1.2em; margin-top: 6px; color: var(--danger); font-size: 0.86rem; font-weight: 500; }
.is-invalid { border-color: var(--danger); background: #fff4f5; }
.form-message { min-height: 1.3em; margin: 0; font-size: 0.92rem; font-weight: 500; }
.form-message-loading { color: var(--muted); }
.form-message-success { color: var(--good); }
.form-message-error { color: var(--danger); }
fieldset { border: 1px solid var(--border); border-radius: 12px; padding: 12px; margin: 0; background: var(--surface-elevated); }
legend { font-size: 0.92rem; font-weight: 700; color: var(--accent-strong); padding: 0 6px; }
input.is-invalid, select.is-invalid, textarea.is-invalid { border-color: var(--danger); background: var(--danger-soft); }
button[disabled] { opacity: .8; cursor: not-allowed; }

button[disabled] { opacity: 0.8; cursor: wait; }

@media (max-width: 860px) {
  .top-header { flex-direction: column; align-items: stretch; }
  .top-actions a,
  .section-nav a,
  .news-nav a,
  .demo-nav a { flex: 1 1 160px; text-align: center; }
  .site-header { margin-top: 10px; }
  .section-nav { padding-top: 8px; }
  .brand-subtitle { max-width: none; }
}


.state-box {
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface-elevated);
  padding: 10px 12px;
  color: var(--text);
}

.state-loading,
.state-ready,
.state-empty,
.state-partial,
.state-read-only,
.state-actionable {
  background: var(--info-soft);
  border-color: #c4d3e3;
}

.state-warning,
.state-unauthenticated,
.state-auth-required,
.state-backend-limited {
  background: var(--warning-soft);
  border-color: #f1d394;
}

.state-error,
.state-unsupported {
  background: var(--danger-soft);
  border-color: #f2c3c3;
}

.public-access-shell {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px;
}

.public-access-subtitle {
  font-size: 1.05rem;
  color: var(--muted);
  margin-bottom: 18px;
}

.public-chooser {
  display: grid;
  gap: 10px;
  margin-bottom: 12px;
}

.public-chooser-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  align-items: stretch;
}

.public-choice {
  width: 100%;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  border: 2px solid var(--border);
  border-radius: 14px;
  background: var(--surface-elevated);
  color: var(--accent-strong);
  font-size: 1.02rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color .2s ease, border-color .2s ease, color .2s ease, box-shadow .2s ease;
}

.public-choice:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 10px rgba(9, 53, 101, 0.14);
}

.public-choice.is-active {
  border-color: var(--accent-strong);
  background: #0b3a6e;
  color: #ffffff;
  box-shadow: 0 0 0 2px #ffffff, 0 0 0 5px rgba(11, 58, 110, 0.35), 0 10px 22px rgba(9, 53, 101, 0.3);
}


@media (max-width: 640px) {
  .public-chooser-grid {
    grid-template-columns: 1fr;
  }
}

.public-selected {
  display: flex;
  align-items: center;
  min-height: 42px;
  margin-bottom: 14px;
  border-radius: 12px;
  border: 1px solid #aac0da;
  background: #eef4fb;
  padding: 8px 14px;
  font-weight: 600;
}

.public-selected-text {
  margin: -6px 0 14px;
  color: var(--muted);
  font-size: 0.95rem;
}

.public-form {
  display: grid;
  gap: 18px;
}

.public-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent-strong);
}

.public-input {
  min-height: 54px;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 1rem;
}

.public-role-area {
  display: grid;
  gap: 14px;
  border: 1px solid #b4c8de;
  border-radius: 14px;
  padding: 20px;
  background: #f5f8fc;
}

.public-role-area > h2 {
  margin: 0 0 2px;
  font-size: 1.1rem;
}

.public-role-area .required-note {
  margin: 2px 0 8px;
  line-height: 1.45;
}

.public-form > .public-role-area + .public-role-area {
  margin-top: 4px;
}

.public-submit {
  min-height: 56px;
  border: 0;
  border-radius: 12px;
  background: var(--accent);
  color: #ffffff;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
}

.public-submit:hover {
  background: var(--accent-hover);
}

.public-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.public-form-message {
  min-height: 1.3em;
  margin: 0;
  font-size: 0.92rem;
  font-weight: 500;
}

.public-form-message-success { color: var(--good); }
.public-form-message-error { color: var(--danger); }

.public-inline-controls {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
}

.public-inline-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.public-add-mini {
  min-height: 34px;
  width: 34px;
  padding: 0;
  border-radius: 999px;
  font-size: 1.35rem;
  line-height: 1;
}

.public-objects-stack {
  display: grid;
  gap: 12px;
}

.public-object-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #ffffff;
  padding: 16px;
  display: grid;
  gap: 12px;
}

.public-checkbox {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 6px;
  font-size: 0.95rem;
  color: var(--text);
  text-align: left;
}

.public-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin: 0;
  flex: 0 0 auto;
}