/* ==========================================================================
   A* AUDIT — SMART CONTRACT SECURITY & FORMAL VERIFICATION
   Aesthetic: "Dark Cyber-Security / High-Tech Web3 Security Lab"
   High-density, compact engineering layout (Refined scale, sleek micro-components)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400;1,500&family=JetBrains+Mono:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

:root {
  /* Deep Obsidian & Cyber Surfaces */
  --bg-dark-base: #080B10;
  --bg-warm-white: #080B10;      /* Remapped from paper to deep obsidian canvas */
  --bg-parchment: #0E131C;       /* Remapped to high-tech obsidian panel surface */
  --bg-aged-paper: #161F2E;      /* Remapped to micro-border / divider tone */
  --bg-dark-ink: #05070A;        /* Remapped to deepest void container */
  --bg-card: #0E131C;
  --bg-card-hover: #131A27;
  --bg-input: #080B10;
  --bg-terminal: #05070A;

  /* Luminous High-Contrast Typography Hierarchy */
  --ink-black: #F8FAFC;          /* Luminous off-white headline text */
  --ink-dark: #CBD5E1;           /* Crisp slate readable body text */
  --ink-faded: #94A3B8;          /* Slate muted labels and secondary data */
  --ink-pencil: #64748B;         /* Slate subtle metadata & footnotes */

  /* Electric Cyber Crimson & Neon Accents */
  --crimson: #FF334B;            /* High-voltage laser crimson */
  --crimson-light: #FF5C6F;      /* Luminous hover crimson */
  --crimson-subtle: rgba(255, 51, 75, 0.08);
  --crimson-border: rgba(255, 51, 75, 0.35);
  --crimson-glow: 0 0 20px rgba(255, 51, 75, 0.35);

  /* Cyber Verification Accents */
  --accent-cyan: #00E5FF;
  --accent-green: #00F090;
  --accent-amber: #F59E0B;
  --accent-purple: #C084FC;

  /* Architectural Grid Lines & Micro-Borders */
  --border-rule: #1E293B;
  --border-subtle: #1E293B;
  --border-dashed: #334155;

  /* Modern High-Tech Typography Stacks */
  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
}

/* Base Reset & Compact Normalization */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 14.5px; /* High-density scale: compact, clean, razor-sharp */
  background-color: var(--bg-dark-base);
  color: var(--ink-black);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--ink-dark);
  background-color: var(--bg-dark-base);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Cybernetic Grid Pattern Overlay */
body::before {
  content: "";
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
  z-index: 9999;
}

/* Ambient Radial Glow on Hero Canvas */
body::after {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1000px;
  height: 500px;
  background: radial-gradient(circle at 50% 0%, rgba(255, 51, 75, 0.07) 0%, rgba(0, 229, 255, 0.015) 40%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* Typography Defaults */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--ink-black);
  letter-spacing: -0.02em;
  font-weight: 600;
}

p {
  margin-bottom: 0.75rem;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--crimson);
  text-decoration: none;
  transition: all 0.2s ease;
}

a:hover {
  color: var(--crimson-light);
}

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

/* ==========================================================================
   Brand Logo & Header System (Compact)
   ========================================================================== */
.brand-mark {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--ink-black);
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.brand-mark:hover {
  opacity: 0.92;
}

.brand-logo-img {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--border-rule);
  object-fit: cover;
  background-color: var(--bg-parchment);
  display: inline-block;
  vertical-align: middle;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease, border-color 0.25s ease;
}

.brand-mark:hover .brand-logo-img {
  transform: scale(1.06) rotate(3deg);
  border-color: var(--crimson);
  box-shadow: 0 0 12px rgba(255, 51, 75, 0.4);
}

.brand-mark .brand-a {
  font-size: 1.25rem;
  line-height: 1;
  color: var(--ink-black);
  font-weight: 700;
}

.brand-mark .brand-asterisk {
  color: var(--crimson);
  font-size: 1.05rem;
  vertical-align: top;
  line-height: 0.8;
  margin-right: 0.06em;
  margin-left: 0.02em;
  font-weight: 800;
  text-shadow: 0 0 8px rgba(255, 51, 75, 0.6);
}

.brand-mark .brand-word {
  font-size: 1.1rem;
  line-height: 1;
  font-weight: 500;
  color: var(--ink-black);
  letter-spacing: -0.02em;
}

/* Running Header Bar */
.sys-header {
  border-bottom: 1px solid var(--border-rule);
  background-color: rgba(8, 11, 16, 0.9);
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.sys-header-bar {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.65rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.sys-header-left {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.sys-header-meta {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--ink-faded);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-left: 1px solid var(--border-rule);
  padding-left: 1rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

@media (max-width: 900px) {
  .sys-header-meta {
    display: none;
  }
}

.sys-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
}

@media (max-width: 768px) {
  .sys-nav {
    display: none;
  }
}

.sys-nav a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-faded);
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: color 0.15s ease;
  position: relative;
  padding: 0.25rem 0;
}

.sys-nav a:hover {
  color: var(--ink-black);
}

.sys-nav a.active {
  color: var(--ink-black);
  font-weight: 600;
}

.sys-nav-action {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #FFFFFF !important;
  background: linear-gradient(135deg, #FF334B 0%, #D91B36 100%);
  padding: 0.38rem 0.85rem;
  border: 1px solid rgba(255, 51, 75, 0.4);
  border-radius: 3px;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  line-height: 1.2;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 0 12px rgba(255, 51, 75, 0.3);
  text-decoration: none;
  cursor: pointer;
}

.sys-nav-action .nav-action-arrow {
  display: inline-block;
  transition: transform 0.2s ease;
  font-size: 0.85em;
}

.sys-nav-action:hover {
  background: linear-gradient(135deg, #FF5C6F 0%, #E6223E 100%) !important;
  box-shadow: 0 0 18px rgba(255, 51, 75, 0.5);
  transform: translateY(-1px);
}

.sys-nav-action:hover .nav-action-arrow {
  transform: translateX(3px);
}

/* ==========================================================================
   Academic Layout Container & Sidenotes (Compact Proportions)
   ========================================================================== */
.academic-layout {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2.25rem 1.5rem 3.5rem 1.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px;
  gap: 2.5rem;
  position: relative;
  z-index: 1;
}

@media (max-width: 1080px) {
  .academic-layout {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 1.5rem 1rem 2.5rem 1rem;
  }
}

.main-column {
  min-width: 0;
}

.margin-column {
  position: relative;
}

@media (max-width: 1080px) {
  .margin-column {
    display: none;
  }
}

/* Sidenotes Stack */
.sidenote-stack {
  position: sticky;
  top: 5rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.sidenote {
  font-family: var(--font-body);
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--ink-faded);
  border-top: 1px solid var(--border-rule);
  padding-top: 0.65rem;
}

.sidenote-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--crimson);
  font-weight: 600;
  display: block;
  margin-bottom: 0.25rem;
  letter-spacing: 0.06em;
}

/* ==========================================================================
   Hero Section & Trust Statistics (Compact & Elegant)
   ========================================================================== */
.hero-block {
  border-bottom: 1px solid var(--border-rule);
  padding-bottom: 2rem;
  margin-bottom: 2.5rem;
  position: relative;
}

.hero-wrapper-grid {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 2rem;
  align-items: center;
}

@media (max-width: 960px) {
  .hero-wrapper-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
}

.hero-eyebrow::before {
  content: "—";
  font-weight: bold;
}

.hero-main-title {
  font-family: var(--font-display);
  font-size: 2.65rem; /* Down from 4rem for sleekness */
  line-height: 1.12;
  font-weight: 700;
  color: var(--ink-black);
  letter-spacing: -0.025em;
  margin-bottom: 1.1rem;
}

@media (max-width: 768px) {
  .hero-main-title {
    font-size: 2.1rem;
    line-height: 1.15;
  }
}

.hero-crimson-text {
  font-style: normal;
  color: var(--crimson);
  background: linear-gradient(135deg, #FF334B 0%, #FF6B81 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 20px rgba(255, 51, 75, 0.4);
}

.hero-lead {
  font-family: var(--font-body);
  font-size: 0.96rem; /* Crisp, readable */
  line-height: 1.6;
  color: var(--ink-dark);
  margin-bottom: 1.5rem;
  max-width: 720px;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

/* Compact High-Tech Buttons */
.btn-hero-primary {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #FFFFFF;
  background: linear-gradient(135deg, #FF334B 0%, #D91B36 100%);
  border: 1px solid rgba(255, 51, 75, 0.4);
  padding: 0.55rem 1.25rem;
  border-radius: 3px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  white-space: nowrap;
  box-shadow: 0 0 15px rgba(255, 51, 75, 0.3);
}

.btn-hero-primary:hover {
  background: linear-gradient(135deg, #FF5C6F 0%, #E6223E 100%);
  border-color: var(--crimson-light);
  transform: translateY(-1px);
  box-shadow: 0 0 22px rgba(255, 51, 75, 0.5);
  color: #FFFFFF;
}

.btn-hero-secondary {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-black);
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-dashed);
  padding: 0.55rem 1.15rem;
  border-radius: 3px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  white-space: nowrap;
  backdrop-filter: blur(8px);
}

.btn-hero-secondary:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: var(--ink-black);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}

.btn-scholarly {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--ink-dark);
  background-color: var(--bg-parchment);
  border: 1px solid var(--border-rule);
  padding: 0.38rem 0.8rem;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  letter-spacing: 0.04em;
  white-space: nowrap;
  line-height: 1.2;
  text-transform: uppercase;
}

.btn-scholarly:hover {
  background-color: #161F2E;
  color: var(--ink-black);
  border-color: var(--ink-faded);
  transform: translateY(-1px);
}

.btn-scholarly.btn-crimson {
  border-color: var(--crimson-border);
  color: var(--crimson);
  background-color: var(--crimson-subtle);
}

.btn-scholarly.btn-crimson:hover {
  background: var(--crimson);
  color: #FFFFFF;
  border-color: var(--crimson);
  box-shadow: 0 0 12px rgba(255, 51, 75, 0.4);
}

/* Compact Hero Seal Badge */
.hero-seal-badge {
  text-align: center;
  position: relative;
}

.hero-seal-img {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 1.5px solid var(--border-rule);
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.5), 0 0 15px rgba(255, 51, 75, 0.12);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s ease, border-color 0.35s ease;
  background-color: var(--bg-parchment);
}

.hero-seal-img:hover {
  transform: scale(1.04) rotate(2deg);
  border-color: var(--crimson);
  box-shadow: 0 0 40px rgba(255, 51, 75, 0.3);
}

/* Trust Stats Bar */
.trust-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  border-top: 1px solid var(--border-rule);
  padding-top: 1.25rem;
}

@media (max-width: 768px) {
  .trust-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.stat-item {
  border-left: 2px solid var(--border-rule);
  padding-left: 1rem;
  transition: border-color 0.2s ease;
}

.stat-item:hover {
  border-left-color: var(--ink-black);
}

.stat-item.crimson-accent {
  border-left-color: var(--crimson);
}

.stat-value {
  font-family: var(--font-display);
  font-size: 1.75rem; /* Down from 2.45rem */
  font-weight: 700;
  line-height: 1;
  color: var(--ink-black);
  margin-bottom: 0.3rem;
  letter-spacing: -0.02em;
}

.stat-value.crimson {
  color: var(--crimson);
  text-shadow: 0 0 16px rgba(255, 51, 75, 0.4);
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--ink-faded);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  line-height: 1.4;
}

/* ==========================================================================
   Section Header Typography (Compact)
   ========================================================================== */
.section-block {
  margin-bottom: 3.5rem;
}

.section-row-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-rule);
  padding-bottom: 0.65rem;
}

.section-eyebrow-num {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--crimson);
  font-weight: 600;
}

.section-lead-title {
  font-family: var(--font-display);
  font-size: 1.65rem; /* Down from 2.25rem */
  font-weight: 600;
  color: var(--ink-black);
  letter-spacing: -0.02em;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faded);
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.section-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background-color: var(--border-rule);
}

.section-title {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 600;
  color: var(--ink-black);
  line-height: 1.25;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

/* ==========================================================================
   Section 01: Verification Architecture (Identity Cards 4-Grid)
   ========================================================================== */
.identity-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--border-rule);
  background-color: var(--bg-dark-base);
  margin-bottom: 2.5rem;
  gap: 1px;
}

@media (max-width: 768px) {
  .identity-cards-grid {
    grid-template-columns: 1fr;
  }
}

.identity-card-box {
  padding: 1.4rem;
  background-color: var(--bg-parchment);
  border: 1px solid var(--border-rule);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.identity-card-box:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--border-dashed);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.identity-card-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--crimson);
  font-weight: 600;
  margin-bottom: 0.45rem;
}

.identity-card-heading {
  font-family: var(--font-display);
  font-size: 1.12rem; /* Compact */
  font-weight: 600;
  color: var(--ink-black);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.identity-card-body {
  font-family: var(--font-body);
  font-size: 0.85rem; /* Compact */
  color: var(--ink-dark);
  line-height: 1.55;
}

/* ==========================================================================
   Section 02: Visual Language & Traversal Engine (Interactive Graph)
   ========================================================================== */
.engine-container {
  background-color: var(--bg-parchment);
  border: 1px solid var(--border-rule);
  border-radius: 4px;
  margin: 1.5rem 0;
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.4);
}

.engine-header {
  background-color: #0A0E17;
  border-bottom: 1px solid var(--border-rule);
  padding: 0.65rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.engine-header-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--ink-black);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.engine-header-title::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--crimson);
  box-shadow: 0 0 6px var(--crimson);
}

.engine-controls {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.engine-viewport-grid {
  display: grid;
  grid-template-columns: 1fr 290px;
}

@media (max-width: 960px) {
  .engine-viewport-grid {
    grid-template-columns: 1fr;
  }
}

.engine-svg-wrapper {
  position: relative;
  background-color: #06090E;
  min-height: 310px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background-image: 
    radial-gradient(circle at center, rgba(255, 51, 75, 0.04) 0%, transparent 70%),
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 100% 100%, 25px 25px, 25px 25px;
}

#astar-svg {
  width: 100%;
  height: auto;
  max-height: 330px;
  user-select: none;
}

/* SVG Cyber Edges */
.svg-edge {
  stroke-linecap: round;
  transition: stroke 0.3s ease, stroke-width 0.3s ease;
}

.svg-edge.optimal {
  stroke: #F8FAFC;
  stroke-width: 2.2;
  filter: drop-shadow(0 0 3px rgba(255, 255, 255, 0.5));
}

.svg-edge.suboptimal {
  stroke: #334155;
  stroke-width: 1.2;
  stroke-dasharray: 4, 4;
}

.svg-edge.active-eval {
  stroke: var(--crimson);
  stroke-width: 2.5;
  filter: drop-shadow(0 0 6px rgba(255, 51, 75, 0.7));
}

/* SVG Cyber Nodes */
.svg-node-circle {
  cursor: pointer;
  transition: transform 0.2s ease, fill 0.2s ease;
}

.svg-node-circle:hover {
  transform: scale(1.25);
}

.svg-node-optimal {
  fill: #FFFFFF;
  stroke: var(--crimson);
  stroke-width: 1.5;
  filter: drop-shadow(0 0 6px rgba(255, 51, 75, 0.5));
}

.svg-node-explored {
  fill: #0E131C;
  stroke: #475569;
  stroke-width: 1.2;
}

.svg-node-target-outer {
  fill: none;
  stroke: var(--crimson);
  stroke-width: 1.5;
  animation: pulse-ring 2.2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
  transform-origin: center;
}

.svg-node-target-inner {
  fill: var(--crimson);
  filter: drop-shadow(0 0 8px rgba(255, 51, 75, 0.8));
}

@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.35); opacity: 0.4; }
  100% { transform: scale(1); opacity: 1; }
}

.svg-node-text {
  font-family: var(--font-display);
  font-style: normal;
  font-size: 14px;
  font-weight: 600;
  fill: #F8FAFC;
  text-anchor: middle;
  pointer-events: none;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
}

.svg-weight-text {
  font-family: var(--font-mono);
  font-size: 10px;
  fill: #94A3B8;
  text-anchor: middle;
  pointer-events: none;
  font-weight: 600;
}

/* Traversal Inspector Panel */
.engine-inspector {
  background-color: var(--bg-parchment);
  border-left: 1px solid var(--border-rule);
  padding: 1rem 1.15rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

@media (max-width: 960px) {
  .engine-inspector {
    border-left: none;
    border-top: 1px solid var(--border-rule);
  }
}

.inspector-heading {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faded);
  margin-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-rule);
  padding-bottom: 0.25rem;
  font-weight: 600;
}

.inspector-stats-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.metric-card {
  background-color: #06090E;
  border: 1px solid var(--border-rule);
  border-radius: 3px;
  padding: 0.45rem 0.65rem;
}

.metric-title {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--ink-faded);
  text-transform: uppercase;
  margin-bottom: 0.15rem;
}

.metric-number {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink-black);
}

.metric-number.crimson {
  color: var(--crimson);
  text-shadow: 0 0 8px rgba(255, 51, 75, 0.4);
}

.inspector-node-box {
  background-color: #06090E;
  border: 1px solid var(--border-rule);
  border-radius: 3px;
  padding: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  line-height: 1.5;
  margin-bottom: 0.75rem;
}

.inspector-node-box .data-line {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.2rem;
  border-bottom: 1px dashed var(--border-rule);
  padding-bottom: 0.2rem;
}

.inspector-node-box .data-line:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.inspector-log-stream {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--ink-dark);
  height: 80px;
  overflow-y: auto;
  border: 1px solid var(--border-rule);
  border-radius: 3px;
  background-color: #05070A;
  padding: 0.5rem;
  line-height: 1.45;
}

.inspector-log-stream .log-tag {
  color: var(--crimson);
  font-weight: 600;
}

/* Legend Bar */
.engine-legend-bar {
  background-color: #0A0E17;
  border-top: 1px solid var(--border-rule);
  padding: 0.55rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--ink-faded);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.legend-line-solid {
  width: 18px;
  height: 2px;
  background-color: #FFFFFF;
}

.legend-line-dashed {
  width: 18px;
  height: 0;
  border-top: 1.2px dashed #475569;
}

.legend-dot-optimal {
  width: 7px;
  height: 7px;
  background-color: #FFFFFF;
  border: 1.2px solid var(--crimson);
  border-radius: 50%;
}

.legend-dot-suboptimal {
  width: 7px;
  height: 7px;
  border: 1.2px solid #475569;
  background-color: #0E131C;
  border-radius: 50%;
}

/* ==========================================================================
   Section 03: Approach & Methodology (5-Step Pipeline)
   ========================================================================== */
.approach-split-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.25rem;
  margin-top: 1rem;
}

@media (max-width: 860px) {
  .approach-split-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.approach-text p {
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--ink-dark);
  margin-bottom: 0.85rem;
}

.approach-metrics-col {
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
  border-left: 1px solid var(--border-rule);
  padding-left: 1.75rem;
}

@media (max-width: 860px) {
  .approach-metrics-col {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid var(--border-rule);
    padding-top: 1.25rem;
  }
}

.approach-meta-item .meta-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faded);
  margin-bottom: 0.25rem;
  display: block;
}

.approach-meta-item .meta-val {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--ink-black);
  margin-bottom: 0.15rem;
}

.approach-meta-item .meta-note {
  font-family: var(--font-body);
  font-size: 0.825rem;
  color: var(--ink-faded);
  line-height: 1.4;
}

/* 5-Step Workflow Pipeline */
.workflow-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
  margin: 1.75rem 0;
}

@media (max-width: 960px) {
  .workflow-grid {
    grid-template-columns: 1fr;
  }
}

.workflow-step-card {
  background-color: var(--bg-parchment);
  border: 1px solid var(--border-rule);
  border-radius: 3px;
  padding: 1rem 0.85rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.2s ease;
}

.workflow-step-card:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--crimson-border);
  transform: translateY(-1px);
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--crimson);
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.step-title {
  font-family: var(--font-display);
  font-size: 0.98rem;
  color: var(--ink-black);
  font-weight: 600;
  margin-bottom: 0.35rem;
  line-height: 1.3;
}

.step-desc {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--ink-dark);
  line-height: 1.45;
}

/* ==========================================================================
   Section 04: Core Security Services (4 Pillars)
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.15rem;
  margin: 1.5rem 0;
}

@media (max-width: 768px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

.service-card {
  background-color: var(--bg-parchment);
  border: 1px solid var(--border-rule);
  border-left: 3px solid var(--border-dashed);
  border-radius: 3px;
  padding: 1.35rem;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.service-card:hover {
  border-left-color: var(--crimson);
  background-color: var(--bg-card-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.service-code {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--ink-faded);
  letter-spacing: 0.1em;
  margin-bottom: 0.45rem;
  text-transform: uppercase;
  font-weight: 600;
}

.service-card:hover .service-code {
  color: var(--crimson);
}

.service-name {
  font-family: var(--font-display);
  font-size: 1.18rem;
  color: var(--ink-black);
  margin-bottom: 0.5rem;
  font-weight: 600;
  line-height: 1.25;
}

.service-detail {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--ink-dark);
  line-height: 1.55;
  margin-bottom: 1rem;
}

.service-deliverables {
  border-top: 1px dashed var(--border-rule);
  padding-top: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--ink-faded);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.service-deliverables strong {
  color: var(--ink-black);
  font-weight: 600;
}

/* ==========================================================================
   Section 05: Audited Protocols & Track Record (Excel Data Table)
   ========================================================================== */
.track-record-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
  margin-top: 1.15rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 860px) {
  .track-record-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

.track-stat-box {
  background-color: var(--bg-parchment);
  border: 1px solid var(--border-rule);
  border-top: 2px solid var(--border-dashed);
  border-radius: 3px;
  padding: 1rem 0.95rem;
  transition: transform 0.2s ease, border-top-color 0.2s ease;
}

.track-stat-box:hover {
  transform: translateY(-1px);
  border-top-color: var(--crimson);
}

.track-stat-box.crimson-accent {
  border-top-color: var(--crimson);
}

.track-stat-num {
  font-family: var(--font-display);
  font-size: 1.75rem;
  line-height: 1;
  color: var(--ink-black);
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.track-stat-num.crimson {
  color: var(--crimson);
  text-shadow: 0 0 12px rgba(255, 51, 75, 0.4);
}

.track-stat-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--ink-faded);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1.35;
}

.audits-table-container {
  overflow-x: auto;
  border: 1px solid var(--border-rule);
  border-radius: 3px;
  background-color: var(--bg-parchment);
  margin-top: 0.85rem;
}

.audits-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-body);
  font-size: 0.825rem;
  text-align: left;
}

.audits-table th {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-faded);
  background-color: #0A0E17;
  border-bottom: 1px solid var(--border-rule);
  padding: 0.65rem 0.95rem;
  white-space: nowrap;
}

.audits-table td {
  padding: 0.65rem 0.95rem;
  border-bottom: 1px solid var(--border-rule);
  color: var(--ink-dark);
  vertical-align: middle;
}

.audits-table tr:last-child td {
  border-bottom: none;
}

.audits-table tr:hover td {
  background-color: var(--bg-card-hover);
}

.protocol-name {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink-black);
  display: block;
  line-height: 1.25;
}

.protocol-category {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--ink-faded);
  margin-top: 0.1rem;
}

/* Modern Compact Platform Badges */
.platform-pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 600;
  padding: 0.15rem 0.45rem;
  border-radius: 2px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid var(--border-rule);
  background: #0A0E17;
  color: var(--ink-black);
}

.platform-pill.c4 {
  border-color: rgba(245, 158, 11, 0.4);
  background-color: rgba(245, 158, 11, 0.08);
  color: #FBBF24;
}

.platform-pill.sherlock {
  border-color: rgba(6, 182, 212, 0.4);
  background-color: rgba(6, 182, 212, 0.08);
  color: #38BDF8;
}

.platform-pill.cantina {
  border-color: rgba(251, 146, 60, 0.4);
  background-color: rgba(251, 146, 60, 0.08);
  color: #FB923C;
}

.platform-pill.dualguard {
  border-color: rgba(192, 132, 252, 0.4);
  background-color: rgba(192, 132, 252, 0.08);
  color: #C084FC;
}

.table-dossier-link {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--ink-faded);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-weight: 600;
  transition: color 0.15s ease;
}

.table-dossier-link:hover {
  color: var(--crimson);
}

/* ==========================================================================
   Section 06: Research Dispatches (X Tweets & Formal Analysis)
   ========================================================================== */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.15rem;
  margin-top: 1.15rem;
}

@media (max-width: 860px) {
  .articles-grid {
    grid-template-columns: 1fr;
  }
}

.article-card {
  background-color: var(--bg-parchment);
  border: 1px solid var(--border-rule);
  border-top: 2px solid var(--border-dashed);
  border-radius: 3px;
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.article-card:hover {
  border-top-color: var(--crimson);
  background-color: var(--bg-card-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.article-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.65rem;
}

.article-badge {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  padding: 0.15rem 0.45rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background-color: #06090E;
  color: var(--ink-faded);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
}

.article-card:hover .article-badge {
  background-color: var(--crimson-subtle);
  color: var(--crimson);
  border-color: var(--crimson-border);
}

.article-date-x {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--ink-faded);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.article-date-x a {
  color: var(--ink-faded);
  text-decoration: none;
  transition: color 0.15s ease;
}

.article-date-x a:hover {
  color: var(--crimson);
}

.article-headline {
  font-family: var(--font-display);
  font-size: 1.15rem;
  line-height: 1.25;
  color: var(--ink-black);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.article-summary {
  font-family: var(--font-body);
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--ink-dark);
  margin-bottom: 0.85rem;
}

.article-math-highlight {
  background-color: #06090E;
  border-left: 2px solid var(--border-dashed);
  padding: 0.5rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--ink-dark);
  margin-bottom: 0.85rem;
  line-height: 1.45;
  border-radius: 0 2px 2px 0;
}

.article-card:hover .article-math-highlight {
  border-left-color: var(--crimson);
}

.article-bottom-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px dashed var(--border-rule);
  padding-top: 0.65rem;
  margin-top: auto;
}

.article-read-btn {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--ink-black);
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: color 0.15s ease;
  text-transform: uppercase;
}

.article-read-btn:hover {
  color: var(--crimson);
}

.article-x-thread-link {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--ink-faded);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  transition: color 0.15s ease;
}

.article-x-thread-link:hover {
  color: var(--crimson);
}

/* ==========================================================================
   Section 07: Sample Report Card & Methodology Benchmark (PDF Dossier)
   ========================================================================== */
.sample-report-card {
  background-color: var(--bg-parchment);
  border: 1px solid var(--border-rule);
  border-radius: 3px;
  padding: 1.65rem;
  margin: 1.5rem 0;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

@media (max-width: 768px) {
  .sample-report-card {
    padding: 1.25rem;
  }
}

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

.sample-badge-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0.5rem;
}

.sample-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  padding: 0.15rem 0.45rem;
  border: 1px solid var(--border-rule);
  background-color: #0A0E17;
  color: var(--ink-black);
  text-transform: uppercase;
  border-radius: 2px;
}

.sample-badge-verified {
  background-color: var(--crimson-subtle);
  color: var(--crimson);
  border-color: var(--crimson-border);
}

.sample-report-title {
  font-family: var(--font-display);
  font-size: 1.45rem;
  line-height: 1.2;
  color: var(--ink-black);
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.sample-report-subtitle {
  font-family: var(--font-body);
  font-size: 0.885rem;
  color: var(--ink-dark);
  max-width: 680px;
}

.sample-report-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: flex-end;
}

@media (max-width: 768px) {
  .sample-report-actions {
    align-items: flex-start;
  }
}

.sample-metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

@media (max-width: 768px) {
  .sample-metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.sample-metric-box {
  background-color: #06090E;
  border: 1px solid var(--border-rule);
  border-radius: 3px;
  padding: 0.75rem 0.9rem;
}

.sample-metric-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--ink-faded);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.2rem;
}

.sample-metric-val {
  display: block;
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--ink-black);
  margin-bottom: 0.2rem;
}

.sample-metric-val.crimson {
  color: var(--crimson);
  text-shadow: 0 0 10px rgba(255, 51, 75, 0.4);
}

.sample-metric-sub {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--ink-faded);
}

/* Finding Spotlight */
.sample-finding-spotlight {
  background-color: #06090E;
  border: 1px solid var(--border-rule);
  border-left: 3px solid var(--crimson);
  border-radius: 0 3px 3px 0;
  padding: 1.15rem 1.35rem;
  margin-bottom: 1.15rem;
}

.finding-spotlight-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 0.5rem;
}

.finding-spotlight-title {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--ink-black);
  font-weight: 600;
}

.finding-severity-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  padding: 0.12rem 0.45rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  border-radius: 2px;
}

.tag-critical {
  background-color: var(--crimson-subtle);
  color: var(--crimson);
  border: 1px solid var(--crimson-border);
}

.finding-status-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--accent-green);
  letter-spacing: 0.05em;
  font-weight: 600;
}

.finding-spotlight-desc {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--ink-dark);
  line-height: 1.55;
  margin-bottom: 0.75rem;
}

.finding-remediation-box {
  background-color: #05070A;
  border: 1px solid var(--border-rule);
  border-radius: 3px;
  padding: 0.75rem 0.95rem;
}

.remediation-header {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--ink-faded);
  margin-bottom: 0.35rem;
  font-weight: 600;
}

.remediation-code {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  line-height: 1.45;
  color: #38BDF8;
  overflow-x: auto;
}

/* 4 Deliverables Grid */
.deliverables-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
  margin: 1.5rem 0;
}

@media (max-width: 900px) {
  .deliverables-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 580px) {
  .deliverables-grid {
    grid-template-columns: 1fr;
  }
}

.deliverable-item {
  background-color: var(--bg-parchment);
  border: 1px solid var(--border-rule);
  border-radius: 3px;
  padding: 1rem 0.85rem;
  transition: all 0.2s ease;
}

.deliverable-item:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--crimson-border);
}

.deliv-num {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--crimson);
  font-weight: 700;
  display: block;
  margin-bottom: 0.3rem;
}

.deliv-title {
  font-family: var(--font-display);
  font-size: 0.98rem;
  color: var(--ink-black);
  font-weight: 600;
  margin-bottom: 0.35rem;
  line-height: 1.25;
}

.deliv-desc {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--ink-dark);
  line-height: 1.45;
}

/* ==========================================================================
   Section 08: Scope Estimator & Request Audit Form
   ========================================================================== */
.request-audit-container {
  background-color: var(--bg-parchment);
  border: 1px solid var(--border-rule);
  border-radius: 3px;
  padding: 1.75rem;
  margin: 2rem 0;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

@media (max-width: 768px) {
  .request-audit-container {
    padding: 1.25rem;
  }
}

.request-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.75rem;
  margin-top: 1rem;
}

@media (max-width: 900px) {
  .request-grid {
    grid-template-columns: 1fr;
  }
}

.form-group {
  margin-bottom: 0.85rem;
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-black);
  margin-bottom: 0.35rem;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-black);
  background-color: #06090E;
  border: 1px solid var(--border-rule);
  border-radius: 3px;
  padding: 0.55rem 0.8rem;
  outline: none;
  transition: all 0.2s ease;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--crimson);
  background-color: #0A0E17;
  box-shadow: 0 0 10px rgba(255, 51, 75, 0.25);
}

.scope-calc-panel {
  background-color: #06090E;
  border: 1px solid var(--border-rule);
  border-radius: 3px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.calc-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-black);
  border-bottom: 1px solid var(--border-rule);
  padding-bottom: 0.45rem;
  margin-bottom: 0.95rem;
}

.calc-data-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  margin-bottom: 0.65rem;
  color: var(--ink-faded);
}

.calc-data-row .val-dark {
  font-weight: 600;
  color: var(--ink-black);
}

.calc-data-row .val-crimson {
  font-weight: 700;
  color: var(--crimson);
}

/* Contact 2-Box Section */
.contact-landing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--border-rule);
  border-radius: 3px;
  background-color: var(--bg-parchment);
  margin-top: 1.15rem;
  overflow: hidden;
}

@media (max-width: 860px) {
  .contact-landing-grid {
    grid-template-columns: 1fr;
  }
}

.contact-landing-box {
  padding: 1.75rem;
  border: 0.5px solid var(--border-rule);
}

.contact-sub-item {
  margin-bottom: 1.35rem;
}

.contact-sub-item:last-child {
  margin-bottom: 0;
}

.contact-sub-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 0.35rem;
  display: block;
  font-weight: 600;
}

.contact-email-link {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--ink-black);
  text-decoration: none;
  border-bottom: 1.5px solid var(--crimson);
  padding-bottom: 0.15rem;
  transition: all 0.2s ease;
  display: inline-block;
  margin-bottom: 1.15rem;
}

.contact-email-link:hover {
  color: var(--crimson);
  text-shadow: 0 0 12px rgba(255, 51, 75, 0.4);
}

.contact-social-row {
  display: flex;
  gap: 1.15rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  margin-bottom: 1.35rem;
}

.contact-social-link {
  color: var(--ink-faded);
  text-decoration: none;
  transition: color 0.15s ease;
  font-weight: 500;
}

.contact-social-link:hover {
  color: var(--crimson);
}

/* ==========================================================================
   Full Width Dark Heuristic Section (Compact)
   ========================================================================== */
.dark-heuristic-section {
  background-color: var(--bg-dark-ink);
  color: #FFFFFF;
  padding: 3rem 1.5rem;
  text-align: center;
  margin: 3rem 0;
  border-top: 1px solid var(--border-rule);
  border-bottom: 1px solid var(--border-rule);
  position: relative;
  overflow: hidden;
}

.dark-heuristic-section::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at center, rgba(255, 51, 75, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.dark-heuristic-inner {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.dark-heuristic-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 1rem;
  font-weight: 600;
}

.dark-heuristic-formula {
  font-family: var(--font-display);
  font-size: 2.35rem; /* Down from 3.5rem */
  font-weight: 700;
  color: #F8FAFC;
  letter-spacing: 0.02em;
  margin-bottom: 0.85rem;
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.15);
}

.dark-heuristic-text {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--ink-faded);
  font-style: normal;
}

/* ==========================================================================
   Scholarly Dark Footer (Compact)
   ========================================================================== */
.scholarly-footer {
  background-color: var(--bg-dark-ink);
  color: var(--ink-dark);
  padding: 2.25rem 1.5rem;
  border-top: 1px solid var(--border-rule);
  position: relative;
  z-index: 1;
}

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

.footer-left .brand-mark .brand-a,
.footer-left .brand-mark .brand-word {
  color: #FFFFFF;
}

.footer-left .footer-subtitle {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--ink-faded);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 0.35rem;
}

.footer-center {
  text-align: center;
}

.footer-center .footer-formula {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: #CBD5E1;
  font-weight: 600;
}

.footer-center .footer-formula-note {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--ink-faded);
  letter-spacing: 0.08em;
  margin-top: 0.15rem;
}

.footer-right {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.footer-right .footer-motto {
  color: var(--ink-faded);
  margin-bottom: 0.2rem;
}

.footer-right .footer-link {
  color: #F8FAFC;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: color 0.15s ease;
}

.footer-right .footer-link:hover {
  color: var(--crimson);
}

/* ==========================================================================
   Modal Window (Compact & Razor-Sharp)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(5, 7, 10, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
}

.modal-overlay.open {
  display: flex;
}

.modal-window {
  background-color: #0E131C;
  border: 1px solid var(--border-rule);
  border-top: 2.5px solid var(--crimson);
  border-radius: 4px;
  width: 100%;
  max-width: 720px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 1.85rem;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.8), 0 0 24px rgba(255, 51, 75, 0.2);
  position: relative;
}

.modal-close-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: #06090E;
  border: 1px solid var(--border-rule);
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-faded);
  padding: 0.28rem 0.65rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.modal-close-btn:hover {
  background-color: var(--crimson);
  color: #FFFFFF;
  border-color: var(--crimson);
  box-shadow: 0 0 8px rgba(255, 51, 75, 0.5);
}

/* Toast Notification */
.toast-msg {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background-color: #0E131C;
  color: #F8FAFC;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.75rem 1.15rem;
  border: 1px solid var(--border-rule);
  border-left: 3px solid var(--crimson);
  border-radius: 3px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6), 0 0 12px rgba(255, 51, 75, 0.2);
  z-index: 3000;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.toast-msg.show {
  transform: translateY(0);
  opacity: 1;
}