:root {
  --paper: #f5f2eb;
  --paper-elevated: #faf8f4;
  --wash: #e9e9df;
  --ink: #191f1c;
  --ink-soft: #2e3531;
  --muted: #5e665f;
  --muted-light: #7a827b;
  --accent: #9d402b;
  --accent-soft: #f4eae7;
  --accent-dark: #7a2f1e;
  --line: #d3d4c9;
  --line-subtle: #e3e4dc;
  --code-bg: #1e2421;
  --code-text: #e8ece9;
  --success: #1e7049;
  --success-bg: #eaf5ee;
  --warning: #a16207;
  --warning-bg: #fef9c3;
  --serif: 'Newsreader', Georgia, 'Times New Roman', serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --mono: 'JetBrains Mono', 'SF Mono', Consolas, Menlo, Monaco, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; transition: color 0.15s ease, border-color 0.15s ease; }
a:hover { color: var(--accent); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}
button { font: inherit; cursor: pointer; border: none; background: transparent; }
input, select, textarea { font: inherit; color: var(--ink); }

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 400; color: var(--ink); line-height: 1.15; }
h1 { font-size: clamp(40px, 6vw, 76px); letter-spacing: -0.04em; }
h2 { font-size: clamp(28px, 4vw, 44px); letter-spacing: -0.03em; }
h3 { font-size: clamp(20px, 2.5vw, 26px); letter-spacing: -0.02em; }
h4 { font-size: 17px; font-weight: 600; font-family: var(--sans); letter-spacing: -0.01em; }

p { margin-bottom: 1.25em; }
p:last-child { margin-bottom: 0; }
em { font-style: italic; color: var(--accent); }

.container {
  width: min(1180px, calc(100% - 64px));
  margin-inline: auto;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--accent);
  display: inline-block;
  margin-bottom: 12px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  border-radius: 2px;
  background: var(--wash);
  color: var(--ink);
  border: 1px solid var(--line);
}
.badge-accent { background: var(--accent-soft); color: var(--accent-dark); border-color: rgba(157,64,43,0.2); }
.badge-adopt { background: #dcfce7; color: #166534; border-color: #bbf7d0; }
.badge-trial { background: #e0f2fe; color: #0369a1; border-color: #bae6fd; }
.badge-assess { background: #fef3c7; color: #92400e; border-color: #fde68a; }
.badge-watch { background: #f3e8ff; color: #6b21a8; border-color: #e9d5ff; }

/* Skip Link */
.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 12px 18px;
  background: var(--ink);
  color: var(--paper);
  font-size: 13px;
  font-weight: 500;
  transform: translateY(-200%);
  transition: transform 0.2s ease;
}
.skip-link:focus { transform: translateY(0); }

/* Header & Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(245, 242, 235, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 84px;
  gap: 24px;
}
.brand {
  font-size: 21px;
  font-weight: 650;
  letter-spacing: -0.03em;
  display: flex;
  align-items: baseline;
}
.brand-period { color: var(--accent); }
.brand-sub {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-left: 10px;
  padding-left: 10px;
  border-left: 1px solid var(--line);
  font-weight: 500;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 13px;
  font-weight: 500;
}
.main-nav a { padding: 8px 0; color: var(--ink-soft); }
.main-nav a:hover, .main-nav a.active { color: var(--accent); }
.nav-cta {
  padding: 8px 16px !important;
  background: var(--ink);
  color: var(--paper) !important;
  border-radius: 2px;
  font-weight: 500;
}
.nav-cta:hover { background: var(--accent); color: var(--paper) !important; }

.search-trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--wash);
  border: 1px solid var(--line);
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
}
.search-trigger kbd {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 1px 5px;
  font-size: 10px;
  color: var(--ink);
}
.search-trigger:hover { border-color: var(--muted); color: var(--ink); }

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: transparent;
  padding: 8px 14px;
  min-height: 40px;
  color: var(--ink);
  font-size: 13px;
}

/* Typography & Links */
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
  width: fit-content;
}
.text-link span { color: var(--accent); transition: transform 0.15s ease; }
.text-link:hover span { transform: translateX(3px); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: 2px;
  transition: all 0.15s ease;
  border: 1px solid transparent;
}
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: var(--accent); color: var(--paper); }
.btn-secondary { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-secondary:hover { border-color: var(--ink); background: var(--wash); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-dark); color: #fff; }

/* Sections */
.section {
  padding: 88px 0;
  border-top: 1px solid var(--line);
}
.section-sm { padding: 56px 0; }
.section-wash { background: var(--wash); }

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 48px;
}
.section-header-content h2 { margin-top: 8px; }
.section-header-desc {
  max-width: 380px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

/* Hero Section */
.hero {
  padding-top: 72px;
  padding-bottom: 88px;
}
.hero-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-subtle);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.hero h1 {
  max-width: 1060px;
  margin-bottom: 36px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 80px;
  align-items: flex-end;
}
.hero-lead {
  font-size: 22px;
  line-height: 1.55;
  color: var(--ink-soft);
  letter-spacing: -0.015em;
}
.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}
.hero-actions .btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.hero-note {
  font-size: 13px;
  color: var(--muted);
}

/* Authority Stats Bar */
.authority-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 32px;
  background: var(--paper-elevated);
  border: 1px solid var(--line);
  margin-top: 48px;
}
.authority-item {
  border-right: 1px solid var(--line-subtle);
  padding-right: 20px;
}
.authority-item:last-child { border-right: none; padding-right: 0; }
.authority-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}
.authority-value {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.2;
}
.authority-desc {
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
}

/* Card Grids */
.card-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.card-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.card-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* Card Component */
.card {
  background: var(--paper-elevated);
  border: 1px solid var(--line);
  padding: 32px;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}
.card:hover {
  transform: translateY(-2px);
  border-color: var(--ink);
  box-shadow: 0 12px 32px rgba(0,0,0,0.04);
}
.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
}
.card h3 {
  margin-bottom: 14px;
  line-height: 1.3;
}
.card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 24px;
}
.card-footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
}

/* Take / Highlight Callout */
.take-box {
  background: var(--wash);
  border-left: 3px solid var(--accent);
  padding: 24px 28px;
  margin: 32px 0;
}
.take-box-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.take-box-header .eyebrow { margin-bottom: 0; }
.take-box h4 { font-size: 18px; margin-bottom: 8px; }
.take-box p { font-size: 14px; color: var(--ink-soft); line-height: 1.6; }

/* Radar Table & Layout */
.radar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}
.radar-column {
  background: var(--paper-elevated);
  border: 1px solid var(--line);
  padding: 20px;
}
.radar-column-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 16px;
}
.radar-item-card {
  padding: 14px;
  background: var(--paper);
  border: 1px solid var(--line-subtle);
  margin-bottom: 12px;
  font-size: 13px;
  border-radius: 2px;
}
.radar-item-card:hover { border-color: var(--accent); }
.radar-item-card h4 { font-size: 14px; margin-bottom: 4px; }
.radar-item-card p { font-size: 12px; color: var(--muted); margin-bottom: 8px; }

/* Framework Matrix */
.matrix-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--paper-elevated);
  margin: 32px 0;
}
.matrix-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  text-align: left;
}
.matrix-table th, .matrix-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line-subtle);
  vertical-align: top;
}
.matrix-table th {
  background: var(--wash);
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink);
}
.matrix-table td:first-child {
  font-weight: 600;
  font-family: var(--sans);
  background: rgba(0,0,0,0.01);
}

/* Architecture Diagram (SVG responsive) */
.arch-diagram-wrap {
  background: var(--code-bg);
  color: var(--code-text);
  padding: 32px;
  border-radius: 4px;
  border: 1px solid #333d37;
  margin: 32px 0;
  overflow-x: auto;
}
.arch-diagram-wrap svg {
  display: block;
  margin: 0 auto;
  max-width: 100%;
  height: auto;
}

/* Tools / Calculator Styling */
.tool-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  background: var(--paper-elevated);
  border: 1px solid var(--line);
  padding: 40px;
  margin: 32px 0;
}
.tool-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  display: flex;
  justify-content: space-between;
}
.form-group .form-help {
  font-size: 11px;
  color: var(--muted);
  font-weight: 400;
}
.form-input {
  padding: 10px 14px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 2px;
  font-size: 14px;
}
.form-input:focus { border-color: var(--accent); }

.tool-output {
  background: var(--wash);
  border: 1px solid var(--line);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.output-stat {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.output-stat:last-of-type { border-bottom: none; }
.output-label {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 6px;
}
.output-num {
  font-family: var(--serif);
  font-size: 38px;
  color: var(--ink);
  line-height: 1.1;
}

/* Interactive Assessment Quiz */
.quiz-step {
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line-subtle);
}
.quiz-step h4 { font-size: 16px; margin-bottom: 12px; }
.quiz-options {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}
.quiz-option {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 2px;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.15s ease;
}
.quiz-option:hover { border-color: var(--ink); background: var(--wash); }
.quiz-option input[type="radio"] { margin-top: 3px; }

/* Code Blocks */
pre, code { font-family: var(--mono); }
pre {
  background: var(--code-bg);
  color: var(--code-text);
  padding: 24px;
  border-radius: 4px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.6;
  border: 1px solid #333d37;
  margin: 24px 0;
}
:not(pre) > code {
  background: var(--wash);
  color: var(--ink);
  padding: 2px 6px;
  font-size: 13px;
  border-radius: 3px;
  border: 1px solid var(--line);
}

/* Command Palette (Modal) */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(25, 31, 28, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 15vh;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
}
.modal-overlay.is-active {
  opacity: 1;
  pointer-events: auto;
}
.palette-window {
  width: min(640px, calc(100% - 32px));
  background: var(--paper-elevated);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: 0 24px 48px rgba(0,0,0,0.18);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.palette-input-wrap {
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 12px;
}
.palette-input {
  width: 100%;
  border: none;
  background: transparent;
  font-size: 16px;
  outline: none;
  color: var(--ink);
}
.palette-results {
  max-height: 380px;
  overflow-y: auto;
  padding: 12px;
}
.palette-item {
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
}
.palette-item:hover, .palette-item.is-selected {
  background: var(--wash);
  color: var(--accent);
}
.palette-footer {
  padding: 10px 16px;
  background: var(--wash);
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--paper);
  padding: 80px 0 40px;
  margin-top: 96px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 64px;
}
.footer-brand h3 { font-size: 20px; margin-bottom: 8px; }
.footer-brand p { font-size: 13px; color: var(--muted); max-width: 280px; }
.footer-col h4 {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; font-size: 13px; }
.footer-col a { color: var(--ink-soft); }
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--line-subtle);
  font-size: 12px;
  color: var(--muted);
}
.footer-bottom a { color: var(--muted); }
.footer-bottom a:hover { color: var(--ink); }

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .authority-bar { grid-template-columns: repeat(2, 1fr); }
  .card-grid-3, .radar-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .tool-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .container { width: calc(100% - 40px); }
  .nav-wrap { min-height: 72px; }
  .brand-sub { display: none; }
  .js .nav-toggle { display: block; }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--paper-elevated);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    gap: 16px;
    box-shadow: 0 16px 32px rgba(0,0,0,0.06);
  }
  .js .main-nav.is-open { display: flex; }
  .search-trigger { width: 100%; justify-content: space-between; }
  .hero { padding-top: 40px; padding-bottom: 56px; }
  .hero-lead { font-size: 18px; }
  .section { padding: 56px 0; }
  .section-header { flex-direction: column; align-items: flex-start; gap: 16px; }
  .card-grid-3, .card-grid-2, .card-grid-4, .radar-grid { grid-template-columns: 1fr; }
  .authority-bar { grid-template-columns: 1fr; gap: 16px; padding: 20px; }
  .authority-item { border-right: none; border-bottom: 1px solid var(--line-subtle); padding-bottom: 12px; padding-right: 0; }
  .authority-item:last-child { border-bottom: none; }
  .tool-layout { padding: 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}