/* ==========================================================================
   MADHU-AI: INDIVIDUAL PROJECT WEBSITE STYLESHEET
   Pure CSS3 — Seamless HolisTech Health Brand Integration
   Zero JavaScript / Zero External Dependencies
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS VARIABLES / BRAND TOKENS
   -------------------------------------------------------------------------- */
:root {
  /* Brand Palette */
  --color-ivory: #FDFBEF;
  --color-ivory-light: #FFFEF8;
  --color-ivory-warm: #F7F3DF;
  --color-ivory-border: rgba(139, 36, 36, 0.12);
  --color-ivory-subtle: rgba(42, 140, 130, 0.08);

  --color-burgundy: #8B2424;
  --color-burgundy-dark: #661818;
  --color-burgundy-deep: #471010;
  --color-burgundy-light: #A33535;
  --color-burgundy-glow: rgba(139, 36, 36, 0.18);

  --color-teal: #2A8C82;
  --color-teal-dark: #1E665F;
  --color-teal-deep: #13443F;
  --color-teal-light: #3EB3A7;
  --color-teal-pale: rgba(42, 140, 130, 0.12);
  --color-teal-glow: rgba(42, 140, 130, 0.22);

  /* High-Contrast Scientific Neutrals */
  --text-primary: #1C2422;
  --text-secondary: #4A5653;
  --text-muted: #6C7A77;
  --text-light: #FDFBEF;
  --text-light-muted: rgba(253, 251, 239, 0.78);
  --text-light-dim: rgba(253, 251, 239, 0.55);

  /* Dark Feature Surfaces (Evaluation / Evidence) */
  --surface-dark: #141C1A;
  --surface-dark-card: #1B2624;
  --surface-dark-border: rgba(42, 140, 130, 0.25);

  /* Card Surfaces */
  --card-bg: #FFFFFF;
  --card-bg-ivory: #FAF7E8;
  --card-border: rgba(30, 50, 45, 0.09);
  --card-border-hover: rgba(42, 140, 130, 0.35);

  /* Typography Stacks */
  --font-display: "Playfair Display", "Georgia", "Baskerville", "Times New Roman", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", "Consolas", "Liberation Mono", "Menlo", "Courier New", monospace;

  /* Layout & Spacing */
  --header-height: 76px;
  --container-max: 1240px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-subtle: 0 4px 18px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 10px 30px rgba(20, 28, 26, 0.06);
  --shadow-card-hover: 0 16px 40px rgba(42, 140, 130, 0.12);
  --shadow-dark: 0 14px 40px rgba(0, 0, 0, 0.35);

  /* Transitions */
  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   2. FOUNDATIONAL RESETS
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
  background-color: var(--color-ivory);
  color: var(--text-primary);
  font-family: var(--font-sans);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  background-color: var(--color-ivory);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

img, svg {
  display: block;
  max-width: 100%;
}

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

ul, ol {
  list-style: none;
}

button, input, summary {
  font-family: inherit;
  font-size: inherit;
}

:focus-visible {
  outline: 2px solid var(--color-teal);
  outline-offset: 3px;
}

/* --------------------------------------------------------------------------
   3. LAYOUT & CONTAINERS
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(1.25rem, 3.5vw, 2.5rem);
  padding-right: clamp(1.25rem, 3.5vw, 2.5rem);
}

.section {
  padding-top: clamp(4.5rem, 8vw, 7.5rem);
  padding-bottom: clamp(4.5rem, 8vw, 7.5rem);
  position: relative;
}

/* Section Header Typography */
.section-badge-wrapper {
  margin-bottom: 0.85rem;
}

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-burgundy);
  background: rgba(139, 36, 36, 0.08);
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(139, 36, 36, 0.2);
}

.section-eyebrow.eyebrow-light {
  color: var(--color-teal-light);
  background: rgba(42, 140, 130, 0.15);
  border-color: rgba(42, 140, 130, 0.35);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.18;
  color: var(--color-burgundy);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-lead {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 820px;
  margin-bottom: 2.75rem;
}

/* --------------------------------------------------------------------------
   4. BUTTONS & UI ACCENTS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  padding: 0.82rem 1.65rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-burgundy {
  background-color: var(--color-burgundy);
  color: #FFFFFF;
  box-shadow: 0 4px 14px var(--color-burgundy-glow);
}

.btn-burgundy:hover {
  background-color: var(--color-burgundy-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(139, 36, 36, 0.3);
  color: #FFFFFF;
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border-color: rgba(28, 36, 34, 0.25);
}

.btn-secondary:hover {
  border-color: var(--color-burgundy);
  color: var(--color-burgundy);
  background: rgba(139, 36, 36, 0.04);
  transform: translateY(-2px);
}

.btn-teal-sm {
  background-color: var(--color-teal);
  color: #FFFFFF;
  font-size: 0.85rem;
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-sm);
}

.btn-teal-sm:hover {
  background-color: var(--color-teal-dark);
  color: #FFFFFF;
  transform: translateY(-1px);
}

.btn-teal-outline {
  border-color: var(--color-teal);
  color: var(--color-teal);
  background: transparent;
}

.btn-teal-outline:hover {
  background-color: var(--color-teal);
  color: #FFFFFF;
}

.btn-teal-contact {
  background-color: var(--color-teal);
  color: #FFFFFF;
  font-size: 1.05rem;
  padding: 1rem 2.2rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 6px 22px rgba(42, 140, 130, 0.3);
}

.btn-teal-contact:hover {
  background-color: var(--color-teal-light);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(42, 140, 130, 0.45);
  color: #FFFFFF;
}

/* --------------------------------------------------------------------------
   5. HEADER & SUB-PAGE NAVIGATION
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(253, 251, 239, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-ivory-border);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(1.25rem, 3.5vw, 2.5rem);
  padding-right: clamp(1.25rem, 3.5vw, 2.5rem);
}

.header-brand-wrap {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
}

.header-emblem {
  height: 40px;
  width: auto;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}

.header-logo {
  height: 40px;
  width: auto;
  object-fit: contain;
  display: block;
}

.project-pill-label {
  display: none;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-teal);
  background: var(--color-teal-pale);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(42, 140, 130, 0.3);
}

@media (min-width: 768px) {
  .project-pill-label {
    display: flex;
  }
}

.pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-teal);
  animation: dotPulse 2s infinite;
}

/* Project Color Modifiers */
.pill-teal {
  color: var(--color-teal);
  background: var(--color-teal-pale);
  border-color: rgba(42, 140, 130, 0.3);
}
.dot-teal { background-color: var(--color-teal); }

.pill-amber {
  color: #D99B26;
  background: rgba(217, 155, 38, 0.08);
  border-color: rgba(217, 155, 38, 0.3);
}
.dot-amber { background-color: #D99B26; box-shadow: 0 0 8px #D99B26; }
.badge-amber { border-color: rgba(217, 155, 38, 0.35); }
.badge-amber .eyebrow-text { color: #D99B26; }
.val-amber { color: #F5C065; font-weight: 600; }

.pill-blue {
  color: #2563EB;
  background: rgba(37, 99, 235, 0.08);
  border-color: rgba(37, 99, 235, 0.3);
}
.dot-blue { background-color: #2563EB; box-shadow: 0 0 8px #2563EB; }
.badge-blue { border-color: rgba(37, 99, 235, 0.35); }
.badge-blue .eyebrow-text { color: #2563EB; }
.val-blue { color: #60A5FA; font-weight: 600; }

.pill-purple {
  color: #7C3AED;
  background: rgba(124, 58, 237, 0.08);
  border-color: rgba(124, 58, 237, 0.3);
}
.dot-purple { background-color: #7C3AED; box-shadow: 0 0 8px #7C3AED; }
.badge-purple { border-color: rgba(124, 58, 237, 0.35); }
.badge-purple .eyebrow-text { color: #7C3AED; }
.val-purple { color: #A78BFA; font-weight: 600; }

.desktop-nav {
  display: none;
}

@media (min-width: 1040px) {
  .desktop-nav {
    display: block;
  }
}

.desktop-nav-list {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 1.4vw, 1.5rem);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-primary);
  position: relative;
  padding: 0.4rem 0;
  white-space: nowrap;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.back-home-desktop {
  color: var(--color-burgundy);
  font-weight: 600;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding-right: 0.85rem;
  margin-right: 0.25rem;
  border-right: 1px solid rgba(0, 0, 0, 0.12);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-teal);
  transition: width var(--transition-fast);
}

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

.nav-link:hover::after {
  width: 100%;
}

.header-cta-group {
  display: none;
}

@media (min-width: 1040px) {
  .header-cta-group {
    display: block;
  }
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: block;
  position: relative;
}

@media (min-width: 1040px) {
  .mobile-nav-toggle {
    display: none;
  }
}

.mobile-nav-button {
  list-style: none;
  cursor: pointer;
  width: 44px;
  height: 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0, 0, 0, 0.12);
  background: #FFFFFF;
}

.mobile-nav-button::-webkit-details-marker {
  display: none;
}

.nav-icon-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 1px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mobile-nav-toggle[open] .mobile-nav-button .nav-icon-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-nav-toggle[open] .mobile-nav-button .nav-icon-bar:nth-child(2) {
  opacity: 0;
}

.mobile-nav-toggle[open] .mobile-nav-button .nav-icon-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav-menu {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  width: 260px;
  background: #FFFFFF;
  border: 1px solid var(--color-ivory-border);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.15);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  z-index: 1001;
  animation: slideDownFade 0.22s ease-out;
}

@keyframes slideDownFade {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.mobile-nav-list .nav-link {
  display: block;
  font-size: 1rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.back-home-link {
  color: var(--color-burgundy);
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   6. HERO SECTION
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  padding-top: clamp(2.5rem, 5vw, 4.5rem);
  padding-bottom: clamp(3.5rem, 6vw, 5.5rem);
  overflow: hidden;
  background: radial-gradient(circle at 85% 20%, rgba(42, 140, 130, 0.08) 0%, transparent 60%),
              radial-gradient(circle at 15% 80%, rgba(139, 36, 36, 0.06) 0%, transparent 60%),
              var(--color-ivory);
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.bg-grid-mesh {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(42, 140, 130, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 140, 130, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.85;
}

.orbital-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.orbital-glow-teal {
  width: 500px;
  height: 500px;
  right: -100px;
  top: 10%;
  background: rgba(42, 140, 130, 0.15);
  animation: pulseGlow 12s infinite alternate ease-in-out;
}

.orbital-glow-burgundy {
  width: 450px;
  height: 450px;
  left: -80px;
  bottom: 5%;
  background: rgba(139, 36, 36, 0.1);
  animation: pulseGlow 14s infinite alternate-reverse ease-in-out;
}

@keyframes pulseGlow {
  0% { transform: scale(0.9) translate(0, 0); opacity: 0.6; }
  100% { transform: scale(1.15) translate(20px, -20px); opacity: 1; }
}

.hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
}

@media (min-width: 980px) {
  .hero-layout {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

.hero-content {
  animation: heroFadeInUp 0.8s ease-out forwards;
}

@keyframes heroFadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.eyebrow-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: #FFFFFF;
  border: 1px solid var(--color-ivory-border);
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-pill);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  margin-bottom: 1.5rem;
}

.pulse-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-teal);
  box-shadow: 0 0 0 0 rgba(42, 140, 130, 0.7);
  animation: dotPulse 2s infinite;
}

@keyframes dotPulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(42, 140, 130, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(42, 140, 130, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(42, 140, 130, 0); }
}

.eyebrow-text {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: var(--color-burgundy);
  text-transform: uppercase;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.35rem, 4.8vw, 3.8rem);
  font-weight: 700;
  line-height: 1.14;
  color: var(--color-burgundy);
  letter-spacing: -0.025em;
  margin-bottom: 1.25rem;
}

.hero-value-prop {
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  font-weight: 600;
  color: var(--color-teal);
  line-height: 1.45;
  margin-bottom: 1.25rem;
}

.hero-summary {
  font-size: 1.05rem;
  line-height: 1.68;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  max-width: 640px;
}

/* Edge-Device Lightweight Callout */
.edge-device-callout {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  background: #FFFFFF;
  border: 1px solid rgba(42, 140, 130, 0.3);
  border-left: 4px solid var(--color-teal);
  padding: 0.95rem 1.15rem;
  border-radius: var(--radius-sm);
  margin-bottom: 2rem;
  box-shadow: 0 4px 14px rgba(42, 140, 130, 0.08);
  max-width: 640px;
}

.callout-icon-pulse {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
}

.callout-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-teal);
  box-shadow: 0 0 8px rgba(42, 140, 130, 0.8);
  animation: dotPulse 2s infinite;
}

.callout-content {
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--text-primary);
}

.callout-content strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--color-teal-dark);
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.75rem;
}

.hero-spec-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid rgba(139, 36, 36, 0.12);
}

.spec-stat {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-burgundy);
}

.stat-sub {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-muted);
}

.spec-rule {
  width: 1px;
  height: 28px;
  background-color: rgba(0, 0, 0, 0.12);
}

@media (max-width: 640px) {
  .spec-rule {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   7. HERO GLUCOSE TRAJECTORY DISPLAY PANEL (CSS/SVG)
   -------------------------------------------------------------------------- */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.vis-display-panel {
  position: relative;
  width: 100%;
  max-width: 620px;
  background: var(--surface-dark-card);
  border: 1px solid var(--surface-dark-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.35), inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 1rem;
}

.indicator-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-teal);
  animation: dotPulse 1.8s infinite;
}

.vis-panel-title {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-light);
  letter-spacing: 0.08em;
}

.vis-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  background: rgba(42, 140, 130, 0.12);
  color: var(--color-teal);
  padding: 0.15rem 0.5rem;
  border-radius: 2px;
  border: 1px solid rgba(42, 140, 130, 0.25);
}

.badge-empirical {
  background: rgba(42, 140, 130, 0.25);
  color: var(--color-teal-light);
  border-color: var(--color-teal);
}

.empirical-chart-stage {
  position: relative;
  width: 100%;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #0E1413;
  border: 1px solid rgba(255, 255, 255, 0.08);
  line-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.glucose-trace-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.panel-footer-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.85rem;
}

.telemetry-box {
  flex: 1;
  min-width: 110px;
  background: var(--surface-dark);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.4rem 0.65rem;
  border-radius: 3px;
  display: flex;
  flex-direction: column;
}

.telemetry-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-light-muted);
}

.telemetry-val {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-light);
}

.val-edge {
  color: var(--color-teal-light);
}

.val-alert {
  color: #FFAEAE;
}

/* --------------------------------------------------------------------------
   8. SECTION C: THE PROBLEM
   -------------------------------------------------------------------------- */
.problem-section {
  background-color: var(--card-bg-ivory);
  border-top: 1px solid var(--color-ivory-border);
  border-bottom: 1px solid var(--color-ivory-border);
}

.problem-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .problem-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .problem-cards-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.problem-card {
  background: #FFFFFF;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.4rem;
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.problem-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-teal);
}

.problem-num {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-burgundy);
  margin-bottom: 0.75rem;
}

.problem-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-burgundy);
  line-height: 1.3;
  margin-bottom: 0.75rem;
}

.problem-body {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   9. SECTION D: HOW MADHU-AI WORKS
   -------------------------------------------------------------------------- */
.workflow-section {
  background-color: var(--color-ivory);
}

.pipeline-flow-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 980px) {
  .pipeline-flow-container {
    flex-direction: row;
    align-items: stretch;
    gap: 0.75rem;
  }
}

.flow-step {
  flex: 1;
  background: #FFFFFF;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.2rem;
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
}

.step-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-teal);
  background: var(--color-teal-pale);
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  align-self: flex-start;
  margin-bottom: 0.85rem;
}

.step-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-burgundy);
  line-height: 1.3;
  margin-bottom: 0.65rem;
}

.step-desc {
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--text-secondary);
}

.flow-connector {
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--color-teal);
  padding: 0 0.25rem;
}

@media (min-width: 980px) {
  .flow-connector {
    display: flex;
  }
}

.pipeline-summary-box {
  background: var(--card-bg-ivory);
  border: 1px solid var(--color-ivory-border);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.75rem;
}

.box-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-burgundy);
  margin-bottom: 0.45rem;
}

.box-body {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   10. SECTION E: SCIENTIFIC METHODOLOGY & CAUSAL FLOW
   -------------------------------------------------------------------------- */
.methodology-section {
  background-color: var(--card-bg-ivory);
  border-top: 1px solid var(--color-ivory-border);
  border-bottom: 1px solid var(--color-ivory-border);
}

.methodology-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  margin-bottom: 3rem;
}

@media (min-width: 860px) {
  .methodology-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.method-card {
  background: #FFFFFF;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 2rem 1.6rem;
  box-shadow: var(--shadow-subtle);
}

.method-indicator {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-teal);
  letter-spacing: 0.12em;
  margin-bottom: 0.75rem;
}

.method-card-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-burgundy);
  line-height: 1.3;
  margin-bottom: 0.85rem;
}

.method-card-body {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

/* Causal Flow Visual Diagram */
.causal-diagram-wrapper {
  background: #FFFFFF;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 3.5vw, 2.75rem);
  box-shadow: var(--shadow-card);
}

.causal-diagram-header {
  margin-bottom: 1.5rem;
}

.diag-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--color-burgundy);
  margin-bottom: 0.25rem;
}

.diag-sub {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.causal-flow-visual {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
  position: relative;
}

@media (min-width: 768px) {
  .causal-flow-visual {
    grid-template-columns: 1.2fr auto 1fr;
    align-items: center;
  }
}

.timeline-partition {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.partition-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.partition-past .partition-label {
  color: var(--color-teal);
}

.partition-future .partition-label {
  color: var(--color-burgundy);
}

.timeline-bar {
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
}

.past-bar {
  background: rgba(42, 140, 130, 0.08);
  border: 1px solid rgba(42, 140, 130, 0.25);
  color: var(--color-teal-dark);
}

.future-bar {
  background: rgba(139, 36, 36, 0.08);
  border: 1px dashed var(--color-burgundy);
  color: var(--color-burgundy);
}

.blocked-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  background: var(--color-burgundy);
  color: #FFFFFF;
  padding: 0.15rem 0.45rem;
  border-radius: 2px;
  align-self: flex-start;
}

.causal-boundary-barrier {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}

.barrier-line {
  width: 2px;
  height: 60px;
  background: var(--color-teal);
}

.barrier-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  color: var(--color-teal);
  background: var(--color-ivory);
  border: 1px solid var(--color-teal);
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  white-space: nowrap;
}

.causal-caption {
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   11. SECTION F: EVALUATION & SUBSTANTIATED EVIDENCE (DARK FEATURE)
   -------------------------------------------------------------------------- */
.dark-feature-surface {
  background: var(--surface-dark);
  color: var(--text-light);
  border-top: 1px solid var(--surface-dark-border);
  border-bottom: 1px solid var(--surface-dark-border);
}

.text-light {
  color: var(--text-light) !important;
}

.text-light-muted {
  color: var(--text-light-muted) !important;
}

.text-teal-light {
  color: var(--color-teal-light) !important;
}

.metrics-dashboard-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

@media (min-width: 640px) {
  .metrics-dashboard-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .metrics-dashboard-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.metric-card {
  background: var(--surface-dark-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 1.85rem 1.5rem;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.metric-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-teal-light);
}

.metric-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-teal-light);
  margin-bottom: 0.75rem;
}

.metric-value-lg {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.35rem);
  font-weight: 700;
  color: var(--text-light);
  line-height: 1.15;
  margin-bottom: 0.75rem;
}

.metric-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.metric-sub {
  font-size: 0.85rem;
  line-height: 1.5;
}

.metrics-context-panel {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 1.75rem;
}

.context-heading {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
}

.context-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .context-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.context-item strong {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
}

.context-item p {
  font-size: 0.85rem;
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   12. SECTION G: PARADIGM COMPARISON TABLE
   -------------------------------------------------------------------------- */
.comparison-section {
  background-color: var(--color-ivory);
}

.comparison-table-wrapper {
  overflow-x: auto;
  background: #FFFFFF;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  margin-bottom: 1rem;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
  min-width: 680px;
}

.comparison-table th,
.comparison-table td {
  padding: 1.15rem 1.25rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.comparison-table thead th {
  background: var(--card-bg-ivory);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-burgundy);
  text-transform: uppercase;
  border-bottom: 2px solid var(--color-ivory-border);
}

.comparison-table .th-highlight {
  background: rgba(42, 140, 130, 0.12);
  color: var(--color-teal-dark);
}

.comparison-table .td-highlight {
  background: rgba(42, 140, 130, 0.05);
  font-weight: 600;
  color: var(--color-teal-dark);
}

.table-footnote {
  font-size: 0.82rem;
  font-style: italic;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   13. SECTION H: DATA FOUNDATION
   -------------------------------------------------------------------------- */
.data-foundation-section {
  background-color: var(--card-bg-ivory);
  border-top: 1px solid var(--color-ivory-border);
  border-bottom: 1px solid var(--color-ivory-border);
}

.data-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .data-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.data-card {
  background: #FFFFFF;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.4rem;
  box-shadow: var(--shadow-subtle);
}

.data-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-burgundy);
  line-height: 1.3;
  margin-bottom: 0.75rem;
}

.data-card-body {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   14. SECTION I: USE CASES & APPLICATIONS
   -------------------------------------------------------------------------- */
.usecases-section {
  background-color: var(--color-ivory);
}

.usecases-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 640px) {
  .usecases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.usecase-card {
  background: #FFFFFF;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.usecase-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-teal);
}

.usecase-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-teal);
  background: var(--color-teal-pale);
  padding: 0.2rem 0.5rem;
  border-radius: 2px;
  display: inline-block;
  margin-bottom: 0.75rem;
}

.usecase-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-burgundy);
  line-height: 1.3;
  margin-bottom: 0.65rem;
}

.usecase-desc {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.disclaimer-banner {
  background: var(--card-bg-ivory);
  border: 1px solid var(--color-ivory-border);
  border-left: 4px solid var(--color-burgundy);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.5rem;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   15. SECTION J: DIFFERENTIATION
   -------------------------------------------------------------------------- */
.differentiation-section {
  background-color: var(--card-bg-ivory);
  border-top: 1px solid var(--color-ivory-border);
  border-bottom: 1px solid var(--color-ivory-border);
}

.diff-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

@media (min-width: 768px) {
  .diff-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.diff-card {
  background: #FFFFFF;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 1.85rem 1.5rem;
  box-shadow: var(--shadow-subtle);
}

.diff-title {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--color-burgundy);
  line-height: 1.3;
  margin-bottom: 0.75rem;
}

.diff-body {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   16. SECTION K: MARKET & ADOPTION PATHWAY
   -------------------------------------------------------------------------- */
.market-section {
  background-color: var(--color-ivory);
}

.pathway-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .pathway-cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pathway-card {
  background: #FFFFFF;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow-subtle);
}

.pathway-icon {
  color: var(--color-teal);
  font-size: 1.5rem;
  line-height: 1;
  margin-bottom: 0.65rem;
}

.pathway-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-burgundy);
  line-height: 1.3;
  margin-bottom: 0.65rem;
}

.pathway-body {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   17. SECTION L: ROADMAP & LIMITATIONS
   -------------------------------------------------------------------------- */
.roadmap-section {
  background-color: var(--card-bg-ivory);
  border-top: 1px solid var(--color-ivory-border);
  border-bottom: 1px solid var(--color-ivory-border);
}

.roadmap-timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 768px) {
  .roadmap-timeline {
    grid-template-columns: repeat(2, 1fr);
  }
}

.timeline-milestone {
  background: #FFFFFF;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 1.65rem 1.4rem;
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
}

.milestone-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.2rem 0.55rem;
  border-radius: 3px;
  align-self: flex-start;
  margin-bottom: 0.75rem;
}

.milestone-done .milestone-badge {
  background: var(--color-teal);
  color: #FFFFFF;
}

.milestone-current .milestone-badge {
  background: var(--color-burgundy);
  color: #FFFFFF;
}

.milestone-future .milestone-badge {
  background: rgba(0, 0, 0, 0.08);
  color: var(--text-muted);
}

.milestone-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-burgundy);
  line-height: 1.3;
  margin-bottom: 0.5rem;
}

.milestone-desc {
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--text-secondary);
}

.limitations-box {
  background: #FFFFFF;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 1.65rem 1.85rem;
}

.limit-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-burgundy);
  margin-bottom: 0.5rem;
}

.limit-desc {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   18. SECTION M: CONTACT & COLLABORATION
   -------------------------------------------------------------------------- */
.contact-section {
  background-color: var(--color-ivory);
}

.contact-card-surface {
  position: relative;
  background: var(--color-burgundy-deep);
  border-radius: var(--radius-lg);
  padding: clamp(2.5rem, 5vw, 4.5rem) clamp(1.5rem, 4vw, 3.5rem);
  color: var(--text-light);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(71, 16, 16, 0.35);
}

.contact-backdrop-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(253, 251, 239, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(253, 251, 239, 0.04) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
}

.contact-content-inner {
  position: relative;
  z-index: 1;
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
}

.contact-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-light);
  letter-spacing: -0.02em;
  margin-top: 1rem;
  margin-bottom: 1.25rem;
}

.contact-lead {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  line-height: 1.65;
  color: var(--text-light-muted);
  margin-bottom: 2.25rem;
}

.contact-cta-wrapper {
  margin-bottom: 3rem;
}

.contact-channels-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(253, 251, 239, 0.15);
  text-align: left;
}

@media (min-width: 680px) {
  .contact-channels-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.contact-channel-item {
  background: rgba(253, 251, 239, 0.06);
  border: 1px solid rgba(253, 251, 239, 0.1);
  padding: 1.15rem 1.25rem;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.ch-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-teal-light);
  margin-bottom: 0.4rem;
  white-space: nowrap;
}

.ch-value {
  font-family: var(--font-mono);
  font-size: clamp(0.8rem, 1.15vw, 0.92rem);
  color: var(--text-light);
  white-space: nowrap;
  text-decoration: none;
  transition: color var(--transition-fast);
  display: inline-block;
}

.ch-value:hover {
  color: var(--color-teal-light);
  text-decoration: underline;
}

/* Contact Address Card */
.contact-address-card {
  margin-top: 1.5rem;
  background: rgba(253, 251, 239, 0.06);
  border: 1px solid rgba(253, 251, 239, 0.14);
  border-radius: var(--radius-sm);
  padding: 1.15rem 1.4rem;
  display: flex;
  align-items: center;
  gap: 1.15rem;
  text-align: left;
}

.address-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(42, 140, 130, 0.18);
  border: 1px solid rgba(42, 140, 130, 0.35);
  color: var(--color-teal-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.address-details {
  flex-grow: 1;
}

.address-details .ch-label {
  display: block;
  margin-bottom: 0.25rem;
}

.address-text {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.45;
  margin: 0;
  font-style: normal;
}

/* Footer Office Address */
.footer-office-address {
  margin-top: 1.25rem;
  margin-bottom: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
  line-height: 1.5;
}

.office-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-teal-light);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.office-val {
  color: rgba(253, 251, 239, 0.85);
  font-style: normal;
}

/* --------------------------------------------------------------------------
   19. FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--surface-dark);
  color: var(--text-light);
  border-top: 1px solid var(--surface-dark-border);
  padding-top: clamp(3.5rem, 6vw, 5rem);
}

.footer-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  padding-bottom: 3.5rem;
}

@media (min-width: 860px) {
  .footer-layout {
    grid-template-columns: 1.2fr 1fr;
  }
}

.footer-brand-side {
  max-width: 440px;
}

.footer-logo {
  height: 54px;
  width: auto;
  object-fit: contain;
  margin-bottom: 1.25rem;
  display: block;
}

.footer-tagline {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-light-muted);
  margin-bottom: 1.5rem;
}

.footer-home-btn-wrap {
  margin-top: 1rem;
}

.footer-links-side {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.footer-heading {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-teal-light);
  margin-bottom: 1rem;
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-list a {
  font-size: 0.9rem;
  color: var(--text-light-muted);
  transition: color var(--transition-fast);
}

.footer-list a:hover {
  color: var(--text-light);
  padding-left: 3px;
}

.footer-bottom-strip {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1.5rem;
  padding-bottom: 1.75rem;
}

.footer-bottom-flex {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--text-light-dim);
}

.back-to-top {
  color: var(--color-teal-light);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.back-to-top:hover {
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   8B. NEED FOR DIAGNOSIS & CLINICAL BURDEN SECTION
   -------------------------------------------------------------------------- */
.burden-section {
  background-color: var(--color-ivory);
}

.burden-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 680px) {
  .burden-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.burden-card {
  background: #FFFFFF;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 1.85rem 1.6rem;
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.burden-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-burgundy);
}

.burden-card.highlight-danger {
  border-left: 4px solid var(--color-burgundy);
  background: linear-gradient(135deg, #FFFFFF 0%, rgba(139, 36, 36, 0.02) 100%);
}

.burden-card-header {
  margin-bottom: 0.85rem;
}

.burden-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-burgundy);
  background: rgba(139, 36, 36, 0.08);
  padding: 0.2rem 0.5rem;
  border-radius: 2px;
  margin-bottom: 0.6rem;
}

.burden-title {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--color-burgundy);
  line-height: 1.3;
}

.burden-text {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

.burden-callout-banner {
  background: var(--color-burgundy-deep);
  color: var(--text-light);
  border-radius: var(--radius-md);
  padding: 1.75rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  align-items: flex-start;
  box-shadow: 0 12px 32px rgba(71, 16, 16, 0.25);
}

@media (min-width: 768px) {
  .burden-callout-banner {
    flex-direction: row;
    align-items: center;
    gap: 2rem;
  }
}

.banner-stat {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-teal-light);
  line-height: 1;
  white-space: nowrap;
}

.banner-body {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--text-light-muted);
}

.banner-body strong {
  color: #FFFFFF;
}

/* --------------------------------------------------------------------------
   8C. WORLD MAP VISUAL & PULSING CLINICAL NODES
   -------------------------------------------------------------------------- */
.world-map-card {
  background: #FFFFFF;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 2.5vw, 1.85rem);
  box-shadow: var(--shadow-card);
  margin-bottom: 3rem;
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}

.map-card-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.map-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-burgundy);
}

.map-subtag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
}

.world-map-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 950 / 620;
  background: var(--card-bg-ivory);
  border: 1px solid var(--color-ivory-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
}

.actual-world-map-img {
  width: 100%;
  height: auto;
  display: block;
}

/* Pulsing Red Icons */
.map-pulse-node {
  position: absolute;
  transform: translate(-50%, -50%);
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
}

.pulse-core {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #E22B2B;
  box-shadow: 0 0 10px #E22B2B;
  z-index: 3;
}

.pulse-ring {
  position: absolute;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid #E22B2B;
  animation: mapPulse 2s infinite ease-out;
  z-index: 2;
}

.pulse-ring-outer {
  position: absolute;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px dashed rgba(226, 43, 43, 0.6);
  animation: mapPulse 2s infinite ease-out 0.6s;
  z-index: 1;
}

@keyframes mapPulse {
  0% { transform: scale(0.4); opacity: 1; }
  100% { transform: scale(1.6); opacity: 0; }
}

.map-footer-notes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

@media (min-width: 768px) {
  .map-footer-notes {
    grid-template-columns: 1fr 1fr;
  }
}

.map-note {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

.note-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-teal);
  margin-top: 6px;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   8D. URGENT APPLICATIONS CARDS
   -------------------------------------------------------------------------- */
.urgent-card {
  border-left: 4px solid var(--color-teal);
}

.tag-urgent {
  background: rgba(42, 140, 130, 0.12);
  color: var(--color-teal-dark);
}

/* --------------------------------------------------------------------------
   8E. SINGULAR ROADMAP TRACK (SEQUENTIAL 4-PHASE TRAJECTORY)
   -------------------------------------------------------------------------- */
.singular-roadmap-track {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 3rem;
  position: relative;
}

.track-step {
  display: grid;
  grid-template-columns: 50px 1fr;
  gap: 1.25rem;
  position: relative;
}

.step-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.marker-circle {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #FFFFFF;
  border: 2px solid rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  z-index: 2;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.step-complete .marker-circle {
  background: var(--color-teal);
  border-color: var(--color-teal);
  color: #FFFFFF;
}

.pulse-active {
  background: var(--color-burgundy) !important;
  border-color: var(--color-burgundy) !important;
  color: #FFFFFF !important;
  box-shadow: 0 0 0 4px var(--color-burgundy-glow) !important;
}

.marker-connector {
  width: 2px;
  flex-grow: 1;
  background: rgba(0, 0, 0, 0.1);
  margin: 4px 0;
}

.step-complete .marker-connector {
  background: var(--color-teal);
}

.step-card {
  background: #FFFFFF;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 1.6rem 1.5rem;
  margin-bottom: 1.75rem;
  box-shadow: var(--shadow-subtle);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.step-card:hover {
  transform: translateX(4px);
  border-color: var(--color-teal);
}

.active-card {
  border-left: 4px solid var(--color-burgundy);
  background: #FFFFFF;
  box-shadow: 0 8px 24px rgba(139, 36, 36, 0.08);
}

.step-status {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.status-verified {
  color: var(--color-teal);
}

.status-active {
  color: var(--color-burgundy);
}

.status-upcoming {
  color: var(--text-muted);
}

.step-heading {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-burgundy);
  line-height: 1.3;
  margin-bottom: 0.5rem;
}

.step-narrative {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   20. ACCESSIBILITY & PREFERS-REDUCED-MOTION
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}