/* ai-bob-setup-agent — shared visual system
 * An AIGovOps Foundation open-source project.
 * Editorial confidence + tech precision.
 * Used across index, bizplan, pitch, prdfaq, userguide, install, config.
 */

/* ---------------------------------------------------------------------- */
/* Reset                                                                  */
/* ---------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html, body, h1, h2, h3, h4, h5, h6, p, ul, ol, figure, blockquote { margin: 0; padding: 0; }
ul, ol { list-style-position: inside; }
img, svg, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

/* ---------------------------------------------------------------------- */
/* Tokens                                                                 */
/* ---------------------------------------------------------------------- */
:root {
  /* Type */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-serif: 'Source Serif 4', 'Source Serif Pro', Georgia, 'Times New Roman', serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;

  /* Colours — warm editorial palette with amber money accent */
  --ink: #14110D;             /* near-black with warmth */
  --ink-soft: #2A2521;
  --paper: #FBF8F2;           /* warm off-white */
  --paper-soft: #F4EFE5;
  --rule: #E5DCC9;            /* warm divider line */
  --muted: #6B6358;
  --accent: #B8542C;          /* burnt amber — the "money" accent */
  --accent-hover: #9D4423;
  --accent-soft: #F2DDD0;
  --success: #2D6B3F;
  --warn: #B58400;
  --danger: #A02E2E;
  --code-bg: #1A1814;
  --code-fg: #F4EFE5;

  /* AIGovOps Foundation brand overlay */
  --foundation-navy: #1B2A4A;
  --foundation-blue: #3D8BFF;
  --foundation-green: #2BB673;
  --foundation-slate: #5C7A99;
  --foundation-steel: #A8B2BD;
  --foundation-paper: #D7DDE3;

  /* Layout */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(20, 17, 13, 0.06);
  --shadow-md: 0 4px 16px rgba(20, 17, 13, 0.08);
  --shadow-lg: 0 16px 48px rgba(20, 17, 13, 0.12);

  /* Scale */
  --max-w: 1200px;
  --max-w-prose: 720px;
}

/* ---------------------------------------------------------------------- */
/* Base                                                                   */
/* ---------------------------------------------------------------------- */
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  font-feature-settings: 'ss01', 'cv11';
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.serif { font-family: var(--font-serif); }
.mono { font-family: var(--font-mono); }
.muted { color: var(--muted); }
.accent { color: var(--accent); }

/* ---------------------------------------------------------------------- */
/* Typography                                                             */
/* ---------------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.15;
  color: var(--ink);
}
h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); margin-top: 3rem; margin-bottom: 1rem; }
h3 { font-size: 1.35rem; margin-top: 2rem; margin-bottom: 0.6rem; }
h4 { font-size: 1.1rem; font-family: var(--font-sans); font-weight: 600; letter-spacing: 0; }

.eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.lede {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  line-height: 1.5;
  color: var(--ink-soft);
}

p { margin: 0 0 1rem 0; }
p + p { margin-top: 0; }

blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 1.5rem;
  margin: 2rem 0;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  line-height: 1.55;
  color: var(--ink-soft);
}
blockquote cite {
  display: block;
  margin-top: 0.8rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-style: normal;
  color: var(--muted);
}

a.link {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.15s ease;
}
a.link:hover { color: var(--accent-hover); }

code, pre {
  font-family: var(--font-mono);
  font-size: 0.85em;
}
code {
  background: var(--paper-soft);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--rule);
}
pre {
  background: var(--code-bg);
  color: var(--code-fg);
  padding: 1.2rem 1.4rem;
  border-radius: var(--radius-md);
  overflow-x: auto;
  line-height: 1.55;
  margin: 1rem 0 1.5rem 0;
}
pre code {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
  font-size: 0.92em;
}

/* ---------------------------------------------------------------------- */
/* Layout primitives                                                      */
/* ---------------------------------------------------------------------- */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(1.2rem, 4vw, 2.5rem);
}

.prose { max-width: var(--max-w-prose); }
.prose ul, .prose ol { padding-left: 1.5rem; margin: 0 0 1rem 0; }
.prose li { margin: 0.3rem 0; }
.prose a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

section { padding: clamp(3rem, 6vw, 5rem) 0; }

.divider {
  border: none;
  height: 1px;
  background: var(--rule);
  margin: 3rem 0;
}

/* ---------------------------------------------------------------------- */
/* Top nav                                                                */
/* ---------------------------------------------------------------------- */
.topnav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 248, 242, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--rule);
}
.topnav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.topnav .brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--ink);
}
.topnav .brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.topnav nav {
  display: flex;
  gap: clamp(0.8rem, 2vw, 1.8rem);
  align-items: center;
}
.topnav nav a {
  font-size: 0.92rem;
  color: var(--ink-soft);
  transition: color 0.15s ease;
}
.topnav nav a:hover { color: var(--accent); }
.topnav nav a.active { color: var(--accent); font-weight: 500; }
@media (max-width: 740px) {
  .topnav nav { gap: 0.6rem; font-size: 0.85rem; }
  .topnav nav a:not(.cta) { display: none; }
}

/* ---------------------------------------------------------------------- */
/* Buttons                                                                */
/* ---------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.3rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.95rem;
  transition: all 0.15s ease;
  cursor: pointer;
}
.btn-primary { background: var(--accent); color: var(--paper); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary {
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
}
.btn-secondary:hover { background: var(--ink); color: var(--paper); }
.btn-ghost { color: var(--ink-soft); padding-left: 0.5rem; padding-right: 0.5rem; }
.btn-ghost:hover { color: var(--accent); }

/* ---------------------------------------------------------------------- */
/* Hero                                                                   */
/* ---------------------------------------------------------------------- */
.hero {
  padding: clamp(4rem, 8vw, 7rem) 0 clamp(3rem, 5vw, 4rem);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
@media (max-width: 880px) { .hero-grid { grid-template-columns: 1fr; } }
.hero h1 { margin-bottom: 1.5rem; }
.hero .lede { margin-bottom: 2rem; max-width: 36ch; }
.hero-ctas { display: flex; gap: 0.8rem; flex-wrap: wrap; }

.hero-stat-card {
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius-lg);
  padding: 2rem 2.2rem;
  font-family: var(--font-serif);
  position: relative;
  overflow: hidden;
}
.hero-stat-card::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 70%;
  height: 70%;
  background: radial-gradient(circle, var(--accent) 0%, transparent 60%);
  opacity: 0.35;
  pointer-events: none;
}
.hero-stat-card .big {
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.hero-stat-card .label {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-soft);
  margin-top: 1.2rem;
}
.hero-stat-card .sub {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: rgba(244, 239, 229, 0.75);
  margin-top: 0.5rem;
}

/* ---------------------------------------------------------------------- */
/* Cards / grids                                                          */
/* ---------------------------------------------------------------------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.2rem;
}
.card {
  background: var(--paper-soft);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 1.6rem 1.8rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.card h3 { margin-top: 0; font-size: 1.15rem; font-family: var(--font-sans); font-weight: 600; }
.card p { color: var(--muted); font-size: 0.95rem; margin: 0.5rem 0 0; }
.card .card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1.2rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.card .card-meta .arrow { color: var(--accent); font-weight: 500; }
.card.card-link { display: block; color: inherit; }
.card.card-dark { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.card.card-dark h3, .card.card-dark .big { color: var(--paper); }
.card.card-dark p { color: rgba(244, 239, 229, 0.75); }

/* ---------------------------------------------------------------------- */
/* Tables                                                                 */
/* ---------------------------------------------------------------------- */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}
th, td {
  text-align: left;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--rule);
}
th {
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  background: var(--paper-soft);
}
tr:hover td { background: rgba(184, 84, 44, 0.04); }

/* ---------------------------------------------------------------------- */
/* Pull / callout                                                         */
/* ---------------------------------------------------------------------- */
.callout {
  border: 1px solid var(--rule);
  background: var(--paper-soft);
  border-radius: var(--radius-md);
  padding: 1.2rem 1.5rem;
  margin: 1.5rem 0;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.callout .ico {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--paper);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.9rem;
}
.callout.callout-warn .ico { background: var(--warn); }
.callout.callout-danger .ico { background: var(--danger); }
.callout.callout-ok .ico { background: var(--success); }
.callout strong { display: block; margin-bottom: 0.2rem; }
.callout p { margin: 0; color: var(--ink-soft); }

/* ---------------------------------------------------------------------- */
/* Tag / chip                                                             */
/* ---------------------------------------------------------------------- */
.tag {
  display: inline-block;
  padding: 0.2rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--rule);
  font-size: 0.78rem;
  font-weight: 500;
  background: var(--paper);
  color: var(--ink-soft);
}
.tag-accent { background: var(--accent-soft); border-color: var(--accent-soft); color: var(--accent-hover); }
.tag-dark { background: var(--ink); border-color: var(--ink); color: var(--paper); }

/* ---------------------------------------------------------------------- */
/* Audience toggle (pitch + prdfaq)                                       */
/* ---------------------------------------------------------------------- */
.audience-toggle {
  display: inline-flex;
  background: var(--paper-soft);
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 4px;
  gap: 4px;
}
.audience-toggle button {
  border: none;
  background: transparent;
  padding: 0.45rem 1rem;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--ink-soft);
  transition: all 0.15s ease;
}
.audience-toggle button.active {
  background: var(--ink);
  color: var(--paper);
}

/* Section toggling for dual framings */
[data-audience] { display: none; }
[data-audience].is-visible { display: block; }

/* ---------------------------------------------------------------------- */
/* Footer                                                                 */
/* ---------------------------------------------------------------------- */
.site-foot {
  background: var(--ink);
  color: var(--paper);
  padding: 3rem 0;
  margin-top: 5rem;
}
.site-foot .container {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 2rem;
}
.site-foot h4 {
  color: var(--paper);
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  margin-bottom: 0.8rem;
  color: var(--accent-soft);
}
.site-foot ul { list-style: none; padding: 0; }
.site-foot li { margin: 0.35rem 0; }
.site-foot a {
  color: rgba(244, 239, 229, 0.75);
  transition: color 0.15s ease;
  font-size: 0.92rem;
}
.site-foot a:hover { color: var(--accent); }
.site-foot .colophon {
  font-family: var(--font-serif);
  color: rgba(244, 239, 229, 0.55);
  font-size: 0.9rem;
}
@media (max-width: 720px) {
  .site-foot .container { grid-template-columns: 1fr; }
}

/* ---------------------------------------------------------------------- */
/* Slide deck (pitch.html)                                                */
/* ---------------------------------------------------------------------- */
.deck {
  background: var(--ink);
  min-height: 100vh;
  color: var(--paper);
}
.deck-frame { min-height: calc(100vh - 64px); display: grid; place-items: center; padding: 2rem; }
.slide {
  max-width: 960px;
  width: 100%;
  display: none;
}
.slide.active { display: block; animation: fadeIn 0.35s ease; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.slide h1, .slide h2 { color: var(--paper); }
.slide h1 { font-size: clamp(2.2rem, 5vw, 4rem); margin-bottom: 1.2rem; }
.slide h2 { font-size: clamp(1.4rem, 2.5vw, 2rem); color: var(--accent-soft); margin-top: 0; }
.slide .num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 1.2rem;
}
.slide .big-number {
  font-family: var(--font-serif);
  font-size: clamp(5rem, 12vw, 9rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--accent);
}
.slide ul, .slide ol {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
}
.slide li {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  line-height: 1.5;
  margin: 0.8rem 0;
  padding-left: 1.6rem;
  position: relative;
  color: rgba(244, 239, 229, 0.92);
}
.slide li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}
.deck-controls {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(20, 17, 13, 0.85);
  border: 1px solid rgba(229, 220, 201, 0.15);
  padding: 0.5rem 0.7rem;
  border-radius: 999px;
  backdrop-filter: blur(8px);
}
.deck-controls button {
  background: transparent;
  color: var(--paper);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1.1rem;
}
.deck-controls button:hover { background: rgba(244, 239, 229, 0.1); }
.deck-controls .counter {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: rgba(244, 239, 229, 0.6);
  padding: 0 0.5rem;
}

/* ---------------------------------------------------------------------- */
/* Two-column body                                                        */
/* ---------------------------------------------------------------------- */
.two-col {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 3rem;
  align-items: start;
}
.two-col aside {
  position: sticky;
  top: 88px;
}
.two-col aside ul { list-style: none; padding: 0; }
.two-col aside li { margin: 0.4rem 0; }
.two-col aside a {
  display: block;
  padding: 0.3rem 0;
  font-size: 0.88rem;
  color: var(--muted);
  border-left: 2px solid transparent;
  padding-left: 0.7rem;
  margin-left: -0.7rem;
}
.two-col aside a:hover, .two-col aside a.active {
  color: var(--accent);
  border-color: var(--accent);
}
@media (max-width: 920px) {
  .two-col { grid-template-columns: 1fr; }
  .two-col aside { position: static; }
}

/* ---------------------------------------------------------------------- */
/* AIGovOps Foundation branding                                            */
/* ---------------------------------------------------------------------- */
.foundation-banner {
  background: var(--foundation-navy);
  color: #fff;
  text-align: center;
  padding: 0.4rem 1rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-family: var(--font-mono);
}
.foundation-banner a {
  color: var(--foundation-blue);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.foundation-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--foundation-navy);
  color: #fff;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-family: var(--font-mono);
}
.foundation-badge .yes {
  color: var(--foundation-green);
  font-weight: 700;
}

/* Config form styles */
.config-section { margin-bottom: 2rem; }
.config-section h3 { margin-bottom: 1rem; }
.form-group {
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink-soft);
}
.form-group label .hint {
  font-weight: 400;
  color: var(--muted);
  font-size: 0.8rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: #fff;
  color: var(--ink);
  transition: border-color 0.15s;
}
.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-soft);
}
.form-group input[type="password"] {
  letter-spacing: 0.1em;
}
.toggle-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.toggle-row input[type="checkbox"] {
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--accent);
}