/* ==========================================================================
   Servitor Intelligence Solutions LLC — Unified Brand & Workbench Stylesheet
   Brand Identity Standards:
   - Black (Primary Dark Background / Headers): #101013
   - Charcoal (Secondary Dark / Supporting Headers): #212126
   - Muted Gold (Primary Emphasis / Accents / Badges): #B79A5B
   - Oxblood (Sparingly for Kickers, Dividers & Critical Callouts): #8C2638
   - Light Gray (Light Content Surface for Dense Info & Print): #EEECE7
   - Mid Gray (Muted Subtitles / Metadata / Captions): #AFAEB4
   - Headings & Action Titles: Batang, Cinzel, serif
   - Body Copy, Labels & Tables: DejaVu Sans, Inter, sans-serif
   - Code & Telemetry: JetBrains Mono, monospace
   ========================================================================== */

:root {
  --bg-black: #101013;
  --bg-surface: #18181D;
  --bg-charcoal: #212126;
  --bg-elevated: #28282E;

  --gold: #B79A5B;
  --gold-light: #CDB378;
  --gold-dark: #8F753F;
  --gold-subtle: rgba(183, 154, 91, 0.12);
  --gold-border: rgba(183, 154, 91, 0.35);
  --gold-glow: rgba(183, 154, 91, 0.24);

  --oxblood: #8C2638;
  --oxblood-light: #A83246;
  --oxblood-subtle: rgba(140, 38, 56, 0.16);
  --oxblood-border: rgba(140, 38, 56, 0.48);
  --oxblood-glow: rgba(140, 38, 56, 0.28);

  --light-paper: #EEECE7;
  --light-paper-card: #F7F5F0;
  --light-paper-border: #D5D1C8;
  --ink-dark: #16161A;
  --ink-muted: #4A4950;

  --text-primary: #EEECE7;
  --text-secondary: #AFAEB4;
  --text-dim: #7E7D85;

  --status-green: #2E7D32;
  --status-green-bg: #EBF5EC;
  --status-green-border: #81C784;

  --border-dark: rgba(255, 255, 255, 0.09);

  --font-heading: 'Batang', 'Cinzel', Georgia, 'Times New Roman', serif;
  --font-display: 'Cinzel', 'Batang', Georgia, serif;
  --font-body: 'DejaVu Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', Consolas, 'Courier New', monospace;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.48);
  --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
  --transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);

  color-scheme: dark;
  accent-color: var(--gold);
  scrollbar-color: var(--gold) var(--bg-surface);
  scrollbar-width: thin;
}

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

::selection {
  background: var(--gold);
  color: var(--bg-black);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-black);
  color: var(--text-primary);
}

body {
  font-family: var(--font-body);
  line-height: 1.65;
  background-color: var(--bg-black);
  color: var(--text-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Modern Web Guidance: improve-text-layout-and-legibility */
h1, h2, h3, h4, .action-title {
  font-family: var(--font-heading);
  color: #FFFFFF;
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: 0.01em;
  text-wrap: balance;
}

p, blockquote, li {
  text-wrap: pretty;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

code, pre, .mono {
  font-family: var(--font-mono);
}

code {
  background: rgba(183, 154, 91, 0.12);
  color: var(--gold-light);
  padding: 0.12rem 0.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.86em;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ==========================================================================
   Top Navigation & Scrollspy (modern-web-guidance: scrollspy)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(16, 16, 19, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-dark);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex-shrink: 0;
}

.brand-monogram {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg-charcoal), var(--bg-black));
  border: 1.5px solid var(--gold);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  color: var(--gold);
  box-shadow: 0 0 16px var(--gold-subtle);
}

.brand-titles {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #FFFFFF;
}

.brand-sub {
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  font-family: var(--font-mono);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-scroll-links {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  scroll-target-group: auto;
}

.nav-link {
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.35rem 0.15rem;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--gold);
}

/* Native :target-current combined with IntersectionObserver fallback class */
.nav-scroll-links a:is(:target-current, .\:target-current),
.nav-link.active-page {
  color: var(--gold);
  border-bottom-color: var(--gold);
  font-weight: 700;
}

.nav-cta-group {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  padding: 0.45rem;
  cursor: pointer;
  color: var(--text-primary);
}

/* ==========================================================================
   Buttons & Badges
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.72rem 1.35rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-body);
  white-space: nowrap;
}

.btn-sm {
  padding: 0.48rem 0.95rem;
  font-size: 0.82rem;
}

.btn-lg {
  padding: 0.9rem 1.75rem;
  font-size: 0.98rem;
}

.btn-block {
  width: 100%;
}

.btn-gold {
  background: var(--gold);
  color: var(--bg-black);
  border-color: var(--gold);
}

.btn-gold:hover:not(:disabled) {
  background: var(--gold-light);
  box-shadow: 0 0 22px var(--gold-glow);
  transform: translateY(-1px);
}

.btn-oxblood {
  background: var(--oxblood);
  color: #FFFFFF;
  border-color: var(--oxblood);
}

.btn-oxblood:hover:not(:disabled) {
  background: var(--oxblood-light);
  box-shadow: 0 0 22px var(--oxblood-glow);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--gold-border);
}

.btn-outline:hover:not(:disabled) {
  background: var(--gold-subtle);
  border-color: var(--gold);
  color: var(--gold-light);
}

.btn-dark-ghost {
  background: var(--bg-charcoal);
  color: var(--text-secondary);
  border-color: var(--border-dark);
}

.btn-dark-ghost:hover:not(:disabled) {
  color: #FFFFFF;
  border-color: var(--gold-border);
}

.btn:disabled {
  opacity: 0.48;
  cursor: not-allowed;
  transform: none;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--gold);
  background: var(--gold-subtle);
  border: 1px solid var(--gold-border);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

.kicker-oxblood {
  color: #FFB3C0;
  background: var(--oxblood-subtle);
  border-color: var(--oxblood-border);
}

.kicker-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

/* ==========================================================================
   Hero & Live Demo Spotlight (Dark Bookend #101013)
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 5.5rem 0 4rem;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(183, 154, 91, 0.11) 0%, transparent 62%),
    radial-gradient(ellipse at 85% 90%, rgba(140, 38, 56, 0.08) 0%, transparent 50%),
    var(--bg-black);
  border-bottom: 1px solid var(--border-dark);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.75rem;
  align-items: center;
}

.hero-title {
  font-size: clamp(2.15rem, 4.2vw, 3.35rem);
  margin-bottom: 1rem;
}

.hero-title span {
  color: var(--gold);
}

.hero-axiom {
  font-family: var(--font-heading);
  font-size: 1.22rem;
  color: var(--gold-light);
  margin-bottom: 1.1rem;
  border-left: 3px solid var(--oxblood);
  padding-left: 0.9rem;
}

.hero-lead {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 1.85rem;
  max-width: 640px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 2.25rem;
}

.hero-trust-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem 1.25rem;
  padding-top: 1.35rem;
  border-top: 1px solid var(--border-dark);
  font-size: 0.83rem;
  color: var(--text-secondary);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.trust-item strong {
  color: var(--gold);
  font-family: var(--font-mono);
}

/* Right-side Hero Interactive Workbench Launchpad Card */
.hero-demo-card {
  background: linear-gradient(160deg, var(--bg-charcoal) 0%, var(--bg-surface) 100%);
  border: 1px solid var(--gold-border);
  border-radius: var(--radius-lg);
  padding: 1.65rem;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.hero-demo-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--oxblood));
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.demo-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border-dark);
}

.demo-card-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: #FFFFFF;
}

.live-pill {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.22rem 0.6rem;
  border-radius: 999px;
  background: var(--oxblood-subtle);
  border: 1px solid var(--oxblood-border);
  color: #FFB3C0;
  letter-spacing: 0.06em;
}

.canned-sop-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin: 1rem 0 1.25rem;
}

.canned-sop-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem 0.95rem;
  background: rgba(16, 16, 19, 0.75);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.canned-sop-item:hover {
  border-color: var(--gold);
  background: rgba(183, 154, 91, 0.08);
  transform: translateX(3px);
}

.canned-sop-meta {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.canned-sop-id {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  color: var(--gold);
}

.canned-sop-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.canned-sop-sub {
  font-size: 0.76rem;
  color: #D5D3CC;
}

.flag-count-badge {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  background: var(--oxblood);
  color: #FFFFFF;
  flex-shrink: 0;
}

.demo-card-footer {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-dark);
  font-size: 0.78rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   Sections — Dark (#101013 / #212126) & Light Content (#EEECE7) Bookending
   ========================================================================== */
.section-dark {
  padding: 5rem 0;
  background-color: var(--bg-black);
  border-bottom: 1px solid var(--border-dark);
}

.section-charcoal {
  padding: 5rem 0;
  background-color: var(--bg-charcoal);
  border-bottom: 1px solid var(--border-dark);
}

/* Light Gray (#EEECE7) section for dense regulatory / document readability */
.section-light {
  padding: 5rem 0;
  background-color: var(--light-paper);
  color: var(--ink-dark);
  border-top: 3px solid var(--gold);
  border-bottom: 3px solid var(--gold);
}

.section-light h2,
.section-light h3,
.section-light h4 {
  color: var(--bg-black);
}

.section-light p,
.section-light li {
  color: var(--ink-muted);
}

.section-header {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 3.25rem;
}

.section-title {
  font-size: clamp(1.8rem, 3.2vw, 2.5rem);
  margin-bottom: 0.85rem;
}

.section-title span {
  color: var(--gold);
}

.section-light .section-title span {
  color: var(--oxblood);
}

.section-subtitle {
  font-size: 1.02rem;
  color: #D5D3CC;
}

.section-light .section-subtitle {
  color: var(--ink-dark);
  font-weight: 500;
}

/* ==========================================================================
   Capabilities Grid (6 Consulting & Engineering Pillars)
   ========================================================================== */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.5rem;
}

.cap-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 1.85rem;
  position: relative;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.cap-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--gold);
  opacity: 0.45;
  transition: var(--transition);
}

.cap-card:hover {
  background: var(--bg-charcoal);
  border-color: var(--gold-border);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.cap-card:hover::before {
  opacity: 1;
}

.cap-code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.08em;
}

.cap-card h3 {
  font-size: 1.25rem;
}

.cap-card p {
  font-size: 0.93rem;
  color: var(--text-secondary);
  flex-grow: 1;
}

.cap-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.4rem;
}

.cap-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.18rem 0.55rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

/* ==========================================================================
   Regulatory Reality Section (Light Surface #EEECE7 + Oxblood Callout)
   ========================================================================== */
.warning-letter-box {
  background: #FFFFFF;
  border: 1px solid var(--light-paper-border);
  border-left: 6px solid var(--oxblood);
  border-radius: var(--radius-md);
  padding: 1.85rem 2rem;
  margin-bottom: 2.5rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: center;
  box-shadow: 0 6px 20px rgba(16, 16, 19, 0.06);
}

.wl-kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  font-weight: 700;
  color: var(--oxblood);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.45rem;
}

.warning-letter-box h3 {
  font-size: 1.35rem;
  margin-bottom: 0.6rem;
}

.wl-axiom {
  margin-top: 0.85rem;
  padding: 0.65rem 0.95rem;
  background: #FAF6F0;
  border-left: 3px solid var(--gold-dark);
  font-size: 0.9rem;
  color: var(--ink-dark);
}

.wl-stat {
  text-align: center;
  background: var(--bg-black);
  color: #FFFFFF;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--oxblood);
  min-width: 170px;
}

.wl-stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.wl-stat-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.traps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
  margin-bottom: 2.75rem;
}

.trap-card {
  background: #FFFFFF;
  border: 1px solid var(--light-paper-border);
  border-radius: var(--radius-md);
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  box-shadow: 0 4px 14px rgba(16, 16, 19, 0.05);
}

.trap-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--oxblood);
}

.trap-card h3 {
  font-size: 1.15rem;
}

.trap-card p {
  font-size: 0.9rem;
  flex-grow: 1;
}

.trap-remedy {
  margin-top: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--light-paper-border);
  font-size: 0.83rem;
  color: var(--ink-dark);
}

.trap-remedy strong {
  color: var(--oxblood);
}

/* Mode A vs Mode B Comparison Card inside Regulatory Section */
.comparison-box {
  background: var(--bg-black);
  color: var(--text-primary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gold-border);
  padding: 1.85rem;
  box-shadow: var(--shadow-lg);
}

.comparison-box h3,
.comparison-box h4 {
  color: #FFFFFF;
}

.comparison-box p {
  color: var(--text-secondary);
}

.comp-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-dark);
}

.comp-tabs {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.comp-tab {
  padding: 0.55rem 1.1rem;
  background: var(--bg-charcoal);
  color: var(--text-secondary);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.comp-tab.active-danger {
  background: var(--oxblood-subtle);
  color: #FFCCD5;
  border-color: var(--oxblood);
}

.comp-tab.active-gold {
  background: var(--gold-subtle);
  color: var(--gold-light);
  border-color: var(--gold);
}

/* ==========================================================================
   DocBot Appliance & 7-Step Workflow Section
   ========================================================================== */
.workflow-stepper {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.75rem;
  margin-bottom: 2.75rem;
}

.step-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-dark);
  border-top: 3px solid var(--gold);
  border-radius: var(--radius-md);
  padding: 1.1rem 0.9rem;
  text-align: center;
}

.step-card.highlight-gate {
  border-top-color: var(--oxblood);
  background: linear-gradient(180deg, rgba(140, 38, 56, 0.16) 0%, var(--bg-surface) 100%);
}

.step-idx {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gold);
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.step-name {
  font-family: var(--font-heading);
  font-size: 0.98rem;
  color: #FFFFFF;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.step-desc {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.tiers-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 1.75rem;
}

.tier-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.tier-panel.featured {
  border-color: var(--gold);
  background: linear-gradient(160deg, rgba(183, 154, 91, 0.09) 0%, var(--bg-surface) 100%);
}

.price-tag {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--gold);
  margin: 0.75rem 0 1rem;
}

.price-tag span {
  font-size: 0.9rem;
  font-family: var(--font-body);
  color: var(--text-secondary);
  font-weight: 400;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin: 1.25rem 0 1.75rem;
}

.feature-list li {
  font-size: 0.92rem;
  color: var(--text-primary);
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.feature-list li::before {
  content: "✓";
  color: var(--gold);
  font-weight: 700;
  font-family: var(--font-mono);
}

.hardware-tiers-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin: 1.25rem 0;
}

.hw-item {
  padding: 0.95rem 1.1rem;
  background: var(--bg-charcoal);
  border: 1px solid var(--border-dark);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius-sm);
}

.hw-item.garnet {
  border-left-color: var(--oxblood);
}

.hw-title {
  font-weight: 700;
  color: #FFFFFF;
  font-size: 0.96rem;
}

.hw-detail {
  font-size: 0.84rem;
  color: var(--text-secondary);
  margin-top: 0.2rem;
}

/* ==========================================================================
   Masterclasses & Founder Section
   ========================================================================== */
.modules-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.9rem;
  margin-bottom: 2.5rem;
}

.module-box {
  background: var(--bg-black);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 1.2rem;
}

.module-num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.module-box h4 {
  font-size: 1rem;
  margin-bottom: 0.45rem;
}

.module-box p {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.founder-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--gold-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  align-items: center;
}

.founder-badge-col {
  text-align: center;
  padding: 1.5rem;
  background: var(--bg-charcoal);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
}

.founder-initials {
  width: 88px;
  height: 88px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  border: 2px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--gold);
  background: var(--bg-black);
}

/* ==========================================================================
   Contact & Modern Form Validation (modern-web-guidance: browser-ui-theming)
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2.5rem;
  align-items: start;
}

.contact-info-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.contact-form-card {
  background: var(--bg-surface);
  border: 1px solid var(--gold-border);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  margin-bottom: 1.1rem;
}

.form-group label {
  display: block;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.72rem 0.9rem;
  background: var(--bg-black);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.92rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-subtle);
}

/* Modern Web Guidance: Use :user-invalid / :user-valid, NOT :invalid / :valid */
.form-control:user-invalid {
  border-color: var(--oxblood-light);
}

.form-control:user-valid {
  border-color: var(--gold);
}

textarea.form-control {
  field-sizing: content;
  min-height: 6rem;
  resize: vertical;
}

/* ==========================================================================
   DEMO WEBAPP PAGE (demo.html & review-revise-demo/static/index.html)
   Tier 1 Review & Revise Workbench Styles
   ========================================================================== */
.privacy-banner {
  background: linear-gradient(90deg, rgba(183, 154, 91, 0.16), rgba(140, 38, 56, 0.14));
  border-bottom: 1px solid var(--gold-border);
  padding: 0.7rem 1.5rem;
  font-size: 0.85rem;
  color: var(--text-primary);
}

.privacy-banner-inner {
  max-width: 1380px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.workbench-shell {
  max-width: 1380px;
  margin: 0 auto;
  padding: 1.5rem;
}

/* Top Control Bar & Demo SOP Selector Cards */
.workbench-topbar {
  background: var(--bg-surface);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
}

.preset-cards-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr) auto;
  gap: 0.85rem;
  margin-bottom: 1rem;
  align-items: stretch;
}

.preset-sop-btn {
  text-align: left;
  background: var(--bg-charcoal);
  border: 1px solid var(--border-dark);
  border-left: 4px solid var(--gold);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.35rem;
}

.preset-sop-btn:hover,
.preset-sop-btn.active {
  border-color: var(--gold);
  background: rgba(183, 154, 91, 0.12);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.preset-sop-btn.active {
  border-left-color: var(--oxblood);
}

.preset-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  width: 100%;
}

.preset-code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--gold);
  font-weight: 700;
}

.preset-flags-pill {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  background: var(--oxblood);
  color: #FFFFFF;
  padding: 0.12rem 0.5rem;
  border-radius: 999px;
}

.preset-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: #FFFFFF;
}

.preset-flaws {
  font-size: 0.76rem;
  color: #D5D3CC;
  line-height: 1.4;
}

.upload-zone-box {
  background: var(--bg-black);
  border: 1px dashed var(--gold-border);
  border-radius: var(--radius-md);
  padding: 0.8rem 1rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.35rem;
}

.upload-zone-box label {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  color: var(--gold);
  font-weight: 600;
}

/* Modern Web Guidance: Style file inputs via ::file-selector-button */
input[type="file"].sop-file-input {
  font-size: 0.78rem;
  color: var(--text-secondary);
  max-width: 230px;
}

input[type="file"].sop-file-input::file-selector-button {
  background: var(--bg-charcoal);
  color: var(--gold-light);
  border: 1px solid var(--gold-border);
  border-radius: var(--radius-sm);
  padding: 0.32rem 0.65rem;
  margin-right: 0.55rem;
  font-family: var(--font-body);
  font-size: 0.76rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

input[type="file"].sop-file-input::file-selector-button:hover {
  background: var(--gold);
  color: var(--bg-black);
}

/* Core GxP Compliance Engine Hero & Architectural Callout */
.engine-hero-banner {
  background: linear-gradient(180deg, var(--bg-charcoal) 0%, var(--bg-surface) 100%);
  border: 1px solid var(--gold-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.engine-hero-banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold) 0%, var(--oxblood) 50%, var(--gold) 100%);
}

.engine-hero-inner {
  max-width: 100%;
}

.engine-hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
}

.engine-hero-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  color: #FFFFFF;
  margin-bottom: 0.85rem;
  font-weight: 700;
  line-height: 1.2;
}

.engine-hero-lead {
  font-size: 1rem;
  line-height: 1.65;
  color: #E2E0D8;
  max-width: 1000px;
  margin-bottom: 1.75rem;
}

.engine-hero-lead strong {
  color: var(--gold-light);
}

.engine-code {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--gold-light);
  background: rgba(183, 154, 91, 0.14);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gold-border);
}

.engine-pillars-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.engine-pillar-card {
  background: var(--bg-black);
  border: 1px solid var(--border-dark);
  border-top: 2px solid var(--gold);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  transition: var(--transition);
}

.engine-pillar-card:hover {
  border-color: var(--gold-border);
  transform: translateY(-2px);
}

.pillar-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.engine-pillar-card h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: #FFFFFF;
  margin: 0;
}

.engine-pillar-card p {
  font-size: 0.86rem;
  line-height: 1.5;
  color: #D5D3CC;
  margin: 0;
}

.toolbar-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.85rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--border-dark);
}

.toolbar-left,
.toolbar-right {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.sop-select {
  background: var(--bg-black);
  color: var(--text-primary);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  padding: 0.52rem 0.85rem;
  font-size: 0.86rem;
  font-family: var(--font-body);
}

/* Split-Pane Main Workbench */
.workbench-grid {
  display: grid;
  grid-template-columns: 1fr 440px;
  gap: 1.25rem;
  align-items: start;
}

/* Controlled SOP Document Paper Canvas (#EEECE7) */
.sop-paper-panel {
  background: var(--light-paper);
  color: var(--ink-dark);
  border: 2px solid var(--gold);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-lg);
}

.sop-doc-header {
  background: var(--bg-black);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  padding: 1.15rem 1.35rem;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  border-left: 5px solid var(--gold);
}

.sop-doc-header h2 {
  font-size: 1.25rem;
  color: #FFFFFF;
  margin: 0.15rem 0 0;
}

.score-telemetry {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--bg-charcoal);
  padding: 0.55rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-dark);
}

.score-number {
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
}

.score-number.has-flags {
  color: #FF8A9A;
}

.score-number.zero-flags {
  color: #66BB6A;
}

.bom-drawer {
  background: var(--light-paper-card);
  border: 1px solid var(--light-paper-border);
  border-radius: var(--radius-md);
  padding: 0.9rem 1.15rem;
  margin-bottom: 1.2rem;
}

.bom-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ink-dark);
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
}

.bom-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.bom-pill {
  font-size: 0.78rem;
  padding: 0.2rem 0.6rem;
  background: #FFFFFF;
  border: 1px solid var(--light-paper-border);
  border-radius: var(--radius-sm);
  color: var(--ink-dark);
}

.bom-pill.added {
  background: var(--status-green-bg);
  border-color: var(--status-green-border);
  color: var(--status-green);
  font-weight: 600;
}

/* Procedural Steps List on #EEECE7 Paper */
.steps-list {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.sop-step-row {
  background: #FFFFFF;
  border: 1px solid var(--light-paper-border);
  border-left: 5px solid #B0AEA8;
  border-radius: var(--radius-sm);
  padding: 0.8rem 1rem;
  transition: var(--transition);
  color: var(--ink-dark);
  position: relative;
}

.sop-step-row.flagged {
  background: #FFF5F6;
  border-color: #E6B8C0;
  border-left-color: var(--oxblood);
  cursor: pointer;
}

.sop-step-row.flagged:hover,
.sop-step-row.selected-step {
  background: #FDE8EB;
  box-shadow: 0 3px 10px rgba(140, 38, 56, 0.14);
}

.sop-step-row.revised {
  background: var(--status-green-bg);
  border-color: var(--status-green-border);
  border-left-color: var(--status-green);
}

.step-row-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.step-text-wrap {
  font-size: 0.94rem;
  line-height: 1.55;
  color: var(--ink-dark);
}

.substeps-container {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  width: 100%;
  padding-left: 1.75rem;
}

.substep-row {
  display: flex;
  gap: 0.5rem;
  align-items: baseline;
}

.substep-bullet {
  color: #8F753F;
  font-family: var(--font-mono, monospace);
  font-size: 0.85rem;
  font-weight: 700;
}

.substep-text {
  color: var(--ink-dark);
  font-size: 0.9rem;
  line-height: 1.5;
  font-weight: 500;
}

.step-num-badge {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.82rem;
  color: var(--bg-black);
  background: #E2DFD7;
  padding: 0.1rem 0.45rem;
  border-radius: 3px;
  margin-right: 0.55rem;
}

.step-badges {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
}

.pill-flag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  background: var(--oxblood);
  color: #FFFFFF;
}

.pill-revised {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  background: var(--status-green);
  color: #FFFFFF;
}

.step-rule-mini {
  margin-top: 0.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.step-rule-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 0.1rem 0.45rem;
  border-radius: 3px;
  background: rgba(140, 38, 56, 0.1);
  color: var(--oxblood);
  font-weight: 600;
}

/* Right Pane: Flag Inspector & Revision Studio */
.inspector-column {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: sticky;
  top: 82px;
}

.inspector-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-card);
}

.inspector-card.detail-active {
  border-color: var(--gold);
}

.inspector-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--border-dark);
}

.inspector-header h3 {
  font-size: 1.05rem;
  margin: 0;
}

.flags-scroll-box {
  max-height: 320px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding-right: 0.25rem;
}

.flag-item-card {
  background: var(--bg-charcoal);
  border: 1px solid var(--border-dark);
  border-left: 4px solid var(--oxblood);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.8rem;
  cursor: pointer;
  transition: var(--transition);
}

.flag-item-card:hover {
  border-color: var(--gold-border);
  background: var(--bg-elevated);
}

.flag-item-card.active {
  border-color: var(--gold);
  border-left-color: var(--gold);
  background: rgba(183, 154, 91, 0.14);
}

.flag-item-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.flag-item-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: #FFFFFF;
}

.flag-sev-badge {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 700;
  background: var(--oxblood);
  color: #FFFFFF;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
}

.flag-item-msg {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Per-Flag Detail & Revision Zone */
.detail-rule-header {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin-bottom: 0.75rem;
}

.detail-rule-id {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--gold);
  font-weight: 700;
}

.detail-rule-name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: #FFFFFF;
  font-weight: 700;
}

.detail-snippet-box {
  background: var(--bg-black);
  border: 1px solid var(--border-dark);
  border-left: 3px solid var(--oxblood);
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.detail-explanation {
  font-size: 0.86rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.guidance-callout {
  background: rgba(183, 154, 91, 0.11);
  border-left: 4px solid var(--gold);
  padding: 0.75rem 0.9rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.85rem;
  color: var(--text-primary);
  margin-bottom: 0.95rem;
}

.revision-proposal-box {
  background: rgba(46, 125, 50, 0.14);
  border: 1px solid rgba(129, 199, 132, 0.4);
  border-left: 4px solid #66BB6A;
  padding: 0.85rem;
  border-radius: var(--radius-sm);
  margin: 0.75rem 0;
}

.revision-textarea {
  width: 100%;
  margin-top: 0.45rem;
  padding: 0.6rem 0.75rem;
  background: var(--bg-black);
  color: #FFFFFF;
  border: 1px solid var(--gold-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 1.45;
  field-sizing: content;
  min-height: 3.5rem;
  resize: vertical;
}

/* 15-Rule Reference Grid on Demo Page */
.rules-matrix-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(275px, 1fr));
  gap: 1rem;
}

.rule-ref-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 1.15rem;
  transition: var(--transition);
}

.rule-ref-card.tripped-now {
  border-color: var(--oxblood);
  background: linear-gradient(160deg, rgba(140, 38, 56, 0.16), var(--bg-surface));
}

.rule-ref-id {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  color: var(--gold);
  font-weight: 700;
}

.rule-ref-card h4 {
  font-size: 0.96rem;
  margin: 0.25rem 0 0.4rem;
}

.rule-ref-card p {
  font-size: 0.81rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: #0A0A0D;
  border-top: 1px solid var(--border-dark);
  padding: 3.5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-col h4 {
  font-size: 0.92rem;
  color: var(--gold);
  margin-bottom: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-col a,
.footer-col li {
  font-size: 0.86rem;
  color: var(--text-secondary);
}

.footer-col a:hover {
  color: var(--gold);
}

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.78rem;
  color: var(--text-dim);
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 1080px) {
  .hero-grid,
  .tiers-grid,
  .contact-grid,
  .workbench-grid {
    grid-template-columns: 1fr;
  }

  .preset-cards-row {
    grid-template-columns: 1fr 1fr;
  }

  .workflow-stepper {
    grid-template-columns: repeat(4, 1fr);
  }

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

  .traps-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .inspector-column {
    position: static;
  }
}

@media (max-width: 768px) {
  .mobile-toggle {
    display: inline-flex;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-black);
    border-bottom: 1px solid var(--gold-border);
    padding: 1.25rem 1.5rem;
    flex-direction: column;
    align-items: flex-start;
  }

  .main-nav.open {
    display: flex;
  }

  .nav-scroll-links {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
  }

  .preset-cards-row,
  .workflow-stepper,
  .modules-strip,
  .founder-card,
  .form-row,
  .footer-grid,
  .warning-letter-box {
    grid-template-columns: 1fr;
  }
}