/* ==========================================================================
   CAIAPHAS.ORG — Executive Remote Operations & Universal Problem Solving
   Subtractive Design System (GWI v1.4.0 Laws L0-L10, R_kanon = 1.0000)
   ========================================================================== */

:root {
  --bg-canvas: #F7F8FA;
  --bg-surface: #FFFFFF;
  --bg-subtle: #EEF2F6;
  --bg-console: #0D1B2A;
  --bg-console-card: #16263B;
  --text-primary: #0F172A;
  --text-secondary: #334155;
  --text-muted: #475569;
  --text-on-dark: #F8FAFC;
  --text-on-dark-muted: #CBD5E1;
  --accent-primary: #1E3A8A;
  --accent-primary-hover: #172554;
  --accent-seal: #991B1B;
  --accent-emerald: #047857;
  --border-hairline: #CBD5E1;
  --border-console: #334155;

  --font-serif: 'Instrument Serif', 'Noto Serif', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Strict Law L7 Canonical Scale:
     5 Font Sizes (rem/clamp), 3 Border Radii, 3 Grid Templates */
  --fs-xs: 0.8125rem;
  --fs-sm: 0.9375rem;
  --fs-base: 1.0625rem;
  --fs-lg: 1.375rem;
  --fs-xl: clamp(2rem, 1.35rem + 2.2vw, 3.25rem);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-pill: 9999px;
}

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

body {
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: 1.6;
  text-align: start;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}

/* Modern Web Guidance: Balanced headings & pretty body copy */
h1,
h2,
h3 {
  text-wrap: balance;
  line-height: 1.18;
  font-weight: 600;
  color: var(--text-primary);
}

p,
li,
blockquote {
  text-wrap: pretty;
  max-width: 68ch;
}

.tabular {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* Accessibility focus ring */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--accent-primary);
  outline-offset: 2px;
}

/* Law L1: Single-Row Top Bar (height <= 56px, <= 7 items, 0 nested badges) */
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  min-height: 3.25rem;
  background-color: rgba(247, 248, 250, 0.94);
  backdrop-filter: blur(8px);
  border-block-end: 1px solid var(--border-hairline);
  padding-inline: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.topbar-inner {
  width: 100%;
  max-width: 74rem;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: var(--fs-base);
  letter-spacing: -0.01em;
}

.seal-dot {
  width: 0.625rem;
  height: 0.625rem;
  border-radius: var(--radius-pill);
  background-color: var(--accent-seal);
  display: inline-block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: var(--fs-sm);
  font-weight: 500;
  padding-block: 0.25rem;
}

.nav-links a:hover {
  color: var(--accent-primary);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.utc-pill {
  font-size: var(--fs-xs);
  color: var(--text-secondary);
  background-color: var(--bg-subtle);
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-hairline);
}

.lang-toggle {
  appearance: none;
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.65rem;
  font-size: var(--fs-xs);
  font-weight: 600;
  cursor: pointer;
}

.lang-toggle:hover {
  border-color: var(--accent-primary);
}

/* Main Container */
.page-shell {
  max-width: 74rem;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

/* Hero Section — Grid Template 1: Asymmetric Editorial + Ledger */
.hero-section {
  padding-block: 4rem 3.5rem;
  border-block-end: 1px solid var(--border-hairline);
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  gap: 3rem;
  align-items: start;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--accent-seal);
  margin-block-end: 1rem;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: var(--fs-xl);
  font-weight: 400;
  letter-spacing: -0.015em;
  margin-block-end: 1.25rem;
}

.hero-lead {
  font-size: var(--fs-base);
  color: var(--text-secondary);
  margin-block-end: 2rem;
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.35rem;
  background-color: var(--accent-primary);
  color: var(--text-on-dark);
  font-size: var(--fs-sm);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary:hover {
  background-color: var(--accent-primary-hover);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.25rem;
  background-color: var(--bg-surface);
  color: var(--text-primary);
  font-size: var(--fs-sm);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-hairline);
  cursor: pointer;
}

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

/* Right-Inspector Chancellery Ledger Card (Law L2: compact 2-line rows) */
.chancellery-ledger {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.ledger-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block-end: 0.875rem;
  margin-block-end: 0.875rem;
  border-block-end: 1px solid var(--border-hairline);
}

.ledger-title {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--text-primary);
}

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--accent-emerald);
}

.status-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: var(--radius-pill);
  background-color: var(--accent-emerald);
}

.ledger-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.ledger-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding-block-end: 0.75rem;
  border-block-end: 1px solid var(--bg-subtle);
}

.ledger-row:last-child {
  border-block-end: none;
  padding-block-end: 0;
}

.ledger-label {
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

.ledger-value {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text-primary);
  text-align: end;
}

/* Section Layout */
.section-block {
  padding-block: 3.5rem;
  border-block-end: 1px solid var(--border-hairline);
}

.section-header {
  margin-block-end: 2rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: var(--fs-xl);
  font-weight: 400;
  margin-block-end: 0.5rem;
}

.section-subtitle {
  font-size: var(--fs-base);
  color: var(--text-secondary);
}

/* Grid Template 2: 2x2 Operational Domains Matrix */
.domains-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.domain-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  min-height: 11rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
}

.domain-card-title {
  font-size: var(--fs-lg);
  margin-block-end: 0.5rem;
}

.domain-card-desc {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}

.domain-examples {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  padding-block-start: 0.75rem;
  border-block-start: 1px solid var(--bg-subtle);
}

/* Origin / Etymology Section — Grid Template 1 reuse */
.origin-grid {
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  gap: 3rem;
  align-items: center;
}

.etymology-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-inline-start: 4px solid var(--accent-seal);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.etymology-term {
  font-family: var(--font-serif);
  font-size: var(--fs-lg);
  color: var(--text-primary);
  margin-block-end: 0.5rem;
}

.etymology-def {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}

/* Law L10 Generative Friction: Interactive Triage & Dispatch Console */
.dispatch-console {
  background-color: var(--bg-console);
  color: var(--text-on-dark);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.console-title {
  font-family: var(--font-serif);
  font-size: var(--fs-xl);
  font-weight: 400;
  color: var(--text-on-dark);
  margin-block-end: 0.5rem;
}

.console-subtitle {
  font-size: var(--fs-sm);
  color: var(--text-on-dark-muted);
  margin-block-end: 1.5rem;
}

.form-fieldset {
  border: none;
  margin-block-end: 1.25rem;
}

.form-legend {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text-on-dark);
  margin-block-end: 0.5rem;
}

/* Radio Pill Matrix (1-5 exclusive choices per modern-web-guidance) */
.radio-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 11rem), 1fr));
  gap: 0.5rem;
}

.radio-option {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--bg-console-card);
  border: 1px solid var(--border-console);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.85rem;
  min-height: 3rem;
  cursor: pointer;
  font-size: var(--fs-xs);
  color: var(--text-on-dark);
}

.radio-option:hover {
  border-color: var(--text-on-dark-muted);
}

.radio-option input[type="radio"] {
  accent-color: var(--accent-seal);
  width: 1rem;
  height: 1rem;
  margin: 0;
}

.form-field {
  margin-block-end: 1.25rem;
}

.field-label-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-block-end: 0.375rem;
}

.field-label {
  display: inline-block;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text-on-dark);
}

.preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-block-end: 0.625rem;
}

.preset-btn {
  appearance: none;
  background-color: var(--bg-console-card);
  color: var(--text-on-dark-muted);
  border: 1px solid var(--border-console);
  border-radius: var(--radius-pill);
  padding: 0.25rem 0.65rem;
  font-size: var(--fs-xs);
  cursor: pointer;
}

.preset-btn:hover {
  color: var(--text-on-dark);
  border-color: var(--text-on-dark);
}

.form-input,
.form-textarea {
  width: 100%;
  background-color: var(--bg-console-card);
  color: var(--text-on-dark);
  border: 1px solid var(--border-console);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  min-height: 3rem;
}

.form-textarea {
  min-height: 6.5rem;
  resize: vertical;
}

.form-input:invalid:user-invalid,
.form-textarea:invalid:user-invalid {
  border-color: var(--accent-seal);
}

/* Live Triage Blueprint Output Panel */
.blueprint-panel {
  background-color: var(--bg-console-card);
  border: 1px solid var(--border-console);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.blueprint-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block-end: 0.75rem;
  margin-block-end: 1rem;
  border-block-end: 1px solid var(--border-console);
}

.blueprint-id {
  font-size: var(--fs-xs);
  color: var(--text-on-dark-muted);
}

.sla-badge {
  font-size: var(--fs-xs);
  font-weight: 600;
  background-color: var(--accent-seal);
  color: var(--text-on-dark);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
}

.blueprint-steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-block-end: 1.25rem;
}

.blueprint-step {
  font-size: var(--fs-xs);
  color: var(--text-on-dark-muted);
  padding-block-end: 0.65rem;
  border-block-end: 1px solid rgba(203, 213, 225, 0.12);
}

.blueprint-step strong {
  color: var(--text-on-dark);
  display: block;
  font-size: var(--fs-sm);
  margin-block-end: 0.15rem;
}

.dispatch-actions {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.btn-dispatch {
  width: 100%;
  min-height: 3rem;
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border: none;
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  font-weight: 700;
  cursor: pointer;
  padding: 0.75rem 1rem;
}

.btn-dispatch:hover {
  background-color: var(--bg-subtle);
}

.btn-copy {
  width: 100%;
  min-height: 3rem;
  background-color: transparent;
  color: var(--text-on-dark);
  border: 1px solid var(--border-console);
  border-radius: var(--radius-sm);
  font-size: var(--fs-xs);
  font-weight: 600;
  cursor: pointer;
  padding: 0.65rem 1rem;
}

.btn-copy:hover {
  border-color: var(--text-on-dark);
}

.feedback-banner {
  margin-block-start: 0.75rem;
  font-size: var(--fs-xs);
  color: var(--text-on-dark);
  min-height: 1.5rem;
}

/* Footer */
.site-footer {
  padding-block: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

/* Responsive Breakpoints in em (Modern Web Guidance: respect-os-text-scale) */
@media (max-width: 56em) {
  .hero-section,
  .domains-grid,
  .origin-grid,
  .dispatch-console {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .nav-links {
    display: none;
  }
}

@media (pointer: coarse) {
  .form-input,
  .form-textarea,
  .btn-primary,
  .btn-secondary,
  .btn-dispatch,
  .btn-copy {
    min-height: 3.25rem;
  }
}