/* --------------------------------------------------------------------------
   HAKILIA INVESTOR DOSSIER : DESIGN SYSTEM
   Modern Cinematic Executive Interface
   -------------------------------------------------------------------------- */

:root {
  color-scheme: light;

  /* Backgrounds & Clean Luminous Canvas */
  --bg-canvas: #f8f9fb;
  --bg-gradient: radial-gradient(ellipse 70% 50% at 15% -6%, rgba(225, 78, 27, 0.065) 0%, transparent 55%),
                 radial-gradient(ellipse 60% 45% at 88% 12%, rgba(14, 131, 77, 0.045) 0%, transparent 50%),
                 radial-gradient(ellipse 70% 50% at 50% 100%, rgba(225, 78, 27, 0.03) 0%, transparent 60%),
                 #f8f9fb;
  --surface-card: #ffffff;
  --surface-muted: #f0f2f5;
  --surface-subtle: #f5f7fa;
  --surface-hover: #fafbfe;

  /* Typography / High-Contrast Ink Hierarchy */
  --ink-primary: #0e1014;
  --ink-secondary: #474d5b;
  --ink-tertiary: #767d8d;
  --ink-on-accent: #ffffff;

  /* Primary Accent: Cinematic Sunset Ember */
  --accent: #e14e1b;
  --accent-hover: #c93f10;
  --accent-press: #b0340a;
  --accent-soft: rgba(225, 78, 27, 0.08);
  --accent-border: rgba(225, 78, 27, 0.22);
  --accent-glow: rgba(225, 78, 27, 0.25);

  /* Semantic Status / Unit Margin Highlights */
  --emerald: #0e834d;
  --emerald-soft: rgba(14, 131, 77, 0.08);
  --emerald-border: rgba(14, 131, 77, 0.22);
  --warning: #b45309;
  --warning-soft: #fef3c7;
  --warning-border: rgba(180, 83, 9, 0.25);
  --danger: #b91c1c;
  --danger-soft: #fee2e2;

  /* Neutral Borders & Dividers */
  --border-light: rgba(15, 17, 21, 0.07);
  --border-strong: rgba(15, 17, 21, 0.14);
  --border-subtle: rgba(15, 17, 21, 0.04);

  /* Modern Precision Typography */
  --font-display: "Plus Jakarta Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, monospace;

  /* Radii */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  /* Multi-Tier Double-Bezel Ambient Shadows */
  --shadow-sm: 0 1px 3px rgba(15, 17, 21, 0.04), 0 1px 2px rgba(15, 17, 21, 0.02);
  --shadow-md: 0 4px 18px -2px rgba(15, 17, 21, 0.06), 0 2px 6px -1px rgba(15, 17, 21, 0.03);
  --shadow-lg: 0 14px 40px -6px rgba(15, 17, 21, 0.08), 0 4px 14px -2px rgba(15, 17, 21, 0.04);
  --shadow-card: 0 0 0 1px rgba(15, 17, 21, 0.05), 0 2px 4px rgba(15, 17, 21, 0.02), 0 12px 28px -4px rgba(15, 17, 21, 0.05), inset 0 1px 0 #ffffff;
  --shadow-card-hover: 0 0 0 1px rgba(15, 17, 21, 0.09), 0 4px 8px rgba(15, 17, 21, 0.03), 0 20px 42px -6px rgba(15, 17, 21, 0.09), inset 0 1px 0 #ffffff;

  /* Dimensions & Fluid Easing */
  --max-width: 76rem;
  --nav-height: 60px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 160ms var(--ease);
  --transition-normal: 260ms var(--ease);
}

/* --------------------------------------------------------------------------
   BASE RESETS & DEFAULTS
   -------------------------------------------------------------------------- */

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  background-color: var(--bg-canvas);
  color: var(--ink-primary);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  background: var(--bg-canvas);
  background-image: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--ink-primary);
  font-family: var(--font-body);
  font-size: 1.02rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  position: relative;
}

/* Accessibility Focus Ring */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Skip link for keyboard accessibility */
.skip-link {
  position: absolute;
  top: -3.5rem;
  left: 1rem;
  background: var(--ink-primary);
  color: var(--surface-card);
  padding: 0.65rem 1.25rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  z-index: 1000;
  transition: top var(--transition-fast);
  box-shadow: var(--shadow-md);
}

.skip-link:focus {
  top: 1rem;
}

.wrap {
  width: min(100% - 2.5rem, var(--max-width));
  margin-inline: auto;
}

@media (max-width: 640px) {
  .wrap {
    width: min(100% - 1.5rem, var(--max-width));
  }
}

/* --------------------------------------------------------------------------
   FLOATING FROSTED GLASS NAVBAR (ARCHITECTURAL GLASS ISLAND)
   -------------------------------------------------------------------------- */

.navbar {
  position: sticky;
  top: 1.15rem;
  z-index: 1000;
  max-width: min(72rem, calc(100vw - 2.5rem));
  margin: 1rem auto 1.75rem;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(28px) saturate(190%);
  -webkit-backdrop-filter: blur(28px) saturate(190%);
  border: 1px solid rgba(255, 255, 255, 0.8);
  outline: 1px solid rgba(15, 17, 21, 0.06);
  border-radius: var(--radius-full);
  box-shadow: 0 4px 24px -2px rgba(15, 17, 21, 0.06), 0 1px 3px rgba(15, 17, 21, 0.03), inset 0 1px 0 rgba(255, 255, 255, 0.95);
  padding: 0.4rem 0.6rem 0.4rem 1.1rem;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), background var(--transition-normal), outline-color var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.92);
  outline-color: rgba(15, 17, 21, 0.1);
  box-shadow: 0 10px 32px -4px rgba(15, 17, 21, 0.09), 0 2px 6px -1px rgba(15, 17, 21, 0.03), inset 0 1px 0 #ffffff;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 1rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-glyph {
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background: linear-gradient(135deg, #f05a28 0%, var(--accent) 100%);
  box-shadow: 0 2px 10px var(--accent-glow), inset 0 1px 0 rgba(255, 255, 255, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  flex-shrink: 0;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-brand:hover .brand-glyph {
  transform: scale(1.06);
  box-shadow: 0 4px 14px var(--accent-glow), inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

.brand-text {
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 800;
  letter-spacing: -0.035em;
  color: var(--ink-primary);
}

.brand-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  padding: 0.22rem 0.65rem 0.22rem 0.55rem;
  background: rgba(14, 131, 77, 0.07);
  border: 1px solid rgba(14, 131, 77, 0.18);
  border-radius: var(--radius-full);
  margin-left: 0.25rem;
}

.status-pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 0 0 rgba(14, 131, 77, 0.5);
  animation: pulseEmerald 2.2s infinite cubic-bezier(0.4, 0, 0.6, 1);
  flex-shrink: 0;
}

@keyframes pulseEmerald {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(14, 131, 77, 0.5); }
  70% { transform: scale(1); box-shadow: 0 0 0 5px rgba(14, 131, 77, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(14, 131, 77, 0); }
}

.brand-tag {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--emerald);
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

@media (max-width: 1040px) {
  .brand-status-pill {
    display: none;
  }
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  background: rgba(15, 17, 21, 0.035);
  padding: 0.2rem 0.25rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(15, 17, 21, 0.04);
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--ink-secondary);
  text-decoration: none;
  padding: 0.32rem 0.85rem;
  border-radius: var(--radius-full);
  transition: color 180ms var(--ease), background 180ms var(--ease), box-shadow 180ms var(--ease);
}

.nav-link:hover {
  color: var(--ink-primary);
  background: rgba(15, 17, 21, 0.04);
}

.nav-link.active {
  color: var(--ink-primary);
  background: #ffffff;
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(15, 17, 21, 0.08), 0 1px 1px rgba(15, 17, 21, 0.02);
}

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

.lang-toggle {
  display: inline-flex;
  align-items: center;
  background: rgba(15, 17, 21, 0.04);
  border: 1px solid rgba(15, 17, 21, 0.06);
  border-radius: var(--radius-full);
  padding: 2px;
  gap: 2px;
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--ink-tertiary);
  font-family: var(--font-body);
  font-size: 0.74rem;
  font-weight: 600;
  padding: 0.25rem 0.55rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 160ms var(--ease);
}

.lang-btn:hover {
  color: var(--ink-primary);
}

.lang-btn.active,
.lang-btn[aria-pressed="true"] {
  background: #ffffff;
  color: var(--ink-primary);
  font-weight: 700;
  box-shadow: 0 1px 3px rgba(15, 17, 21, 0.08);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.75rem 1.45rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  border: 1px solid transparent;
}

.btn:active {
  transform: scale(0.97) !important;
}

.btn-nav {
  padding: 0.4rem 0.55rem 0.4rem 1.05rem;
  font-size: 0.84rem;
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 2px 8px var(--accent-glow);
  border-color: rgba(216, 82, 30, 0.3);
}

.btn-nav:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-bubble-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.3rem;
  height: 1.3rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
  color: #ffffff;
  transition: transform 200ms var(--ease);
}

.btn-nav:hover .btn-bubble-icon,
.btn-primary:hover .btn-bubble-icon {
  transform: translate(2px, -2px);
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 4px 16px var(--accent-glow);
  border-color: rgba(216, 82, 30, 0.3);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.btn-outline {
  background: var(--surface-card);
  color: var(--ink-primary);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
  background: var(--surface-hover);
  border-color: var(--ink-secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.mobile-toggle {
  display: none;
  background: rgba(15, 17, 21, 0.04);
  border: 1px solid rgba(15, 17, 21, 0.08);
  border-radius: var(--radius-full);
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  transition: background var(--transition-fast);
}

.mobile-toggle:hover {
  background: rgba(15, 17, 21, 0.08);
}

.hamburger-box {
  width: 16px;
  height: 11px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hamburger-line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--ink-primary);
  border-radius: 2px;
  transition: transform 240ms var(--ease), opacity 240ms var(--ease);
}

.mobile-toggle.is-active .bar-top {
  transform: translateY(4.5px) rotate(45deg);
}

.mobile-toggle.is-active .bar-bot {
  transform: translateY(-4.5px) rotate(-45deg);
}

@media (max-width: 880px) {
  .mobile-toggle {
    display: flex;
  }
  .btn-nav {
    display: none;
  }
  .nav-menu {
    position: fixed;
    top: calc(1rem + var(--nav-height) + 0.5rem);
    left: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    flex-direction: column;
    padding: 1.25rem;
    gap: 0.5rem;
    border: 1px solid rgba(15, 17, 21, 0.08);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transform: translateY(-16px) scale(0.98);
    opacity: 0;
    pointer-events: none;
    transition: transform 260ms var(--ease), opacity 260ms var(--ease);
  }
  .nav-menu.is-open {
    transform: translateY(0) scale(1);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-menu .nav-link {
    width: 100%;
    text-align: center;
    padding: 0.65rem 1rem;
    font-size: 0.95rem;
  }
}

/* --------------------------------------------------------------------------
   HERO EXECUTIVE SECTION
   -------------------------------------------------------------------------- */

.hero-section {
  padding: 4.5rem 0 4rem;
  position: relative;
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.25fr 0.85fr;
  align-items: center;
  gap: 3.5rem;
}

.section-kicker-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.32rem 0.85rem;
  border-radius: var(--radius-full);
  background: var(--surface-card);
  border: 1px solid var(--border-light);
  box-shadow: 0 1px 3px rgba(15, 17, 21, 0.04);
  margin-bottom: 1.25rem;
}

.section-kicker {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  display: inline-block;
}

.kicker-pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(216, 82, 30, 0.5);
  animation: pulseDot 2.2s infinite cubic-bezier(0.4, 0, 0.6, 1);
  flex-shrink: 0;
}

.kicker-pulse-dot.emerald {
  background: var(--emerald);
  box-shadow: 0 0 0 0 rgba(14, 119, 80, 0.5);
  animation-name: pulseEmerald;
}

.kicker-pulse-dot.neutral {
  background: var(--ink-tertiary);
  box-shadow: 0 0 0 0 rgba(117, 112, 128, 0.5);
  animation-name: pulseNeutral;
}

@keyframes pulseDot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(216, 82, 30, 0.5); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(216, 82, 30, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(216, 82, 30, 0); }
}

@keyframes pulseNeutral {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(117, 112, 128, 0.5); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(117, 112, 128, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(117, 112, 128, 0); }
}

.hero-heading {
  font-family: var(--font-display);
  font-size: clamp(2.35rem, 3.8vw, 3.4rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.035em;
  color: var(--ink-primary);
  margin-bottom: 1.35rem;
  text-wrap: balance;
}

.hero-lead {
  font-family: var(--font-body);
  font-size: 1.08rem;
  line-height: 1.65;
  color: var(--ink-secondary);
  margin-bottom: 2.25rem;
  max-width: 58ch;
  text-wrap: pretty;
}

.hero-key-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
  padding: 0;
  margin-bottom: 2.5rem;
  border: none;
}

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

.metric-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.15rem 1rem;
  background: var(--surface-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: transform 240ms var(--ease), box-shadow 240ms var(--ease), border-color 240ms var(--ease);
}

.metric-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--border-strong);
}

.metric-num {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--ink-primary);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
}

.metric-num.highlight {
  color: var(--emerald);
}

.metric-desc {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--ink-secondary);
  line-height: 1.4;
  font-weight: 500;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Callout panel (Architecture & Distribution) */
.hero-callout-panel {
  position: relative;
}

.callout-card {
  background: var(--surface-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-md);
  position: relative;
  transition: transform var(--transition-normal);
}

.callout-card:hover {
  transform: translateY(-3px);
}

.callout-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.callout-tag {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.callout-phase {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  background: var(--surface-muted);
  color: var(--ink-secondary);
  border-radius: var(--radius-full);
}

.callout-plain-desc {
  font-size: 0.94rem;
  line-height: 1.6;
  color: var(--ink-secondary);
  margin-bottom: 1.75rem;
}

.callout-specs {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-light);
}

.spec-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.88rem;
}

.spec-label {
  color: var(--ink-tertiary);
}

.spec-val {
  font-weight: 600;
  color: var(--ink-primary);
}

.spec-val.highlight-green {
  color: var(--emerald);
}

@media (max-width: 960px) {
  .hero-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .hero-section {
    padding: 3.5rem 0 3rem;
  }
}

/* --------------------------------------------------------------------------
   SECTION HEADERS
   -------------------------------------------------------------------------- */

.section {
  padding: 5.5rem 0;
  position: relative;
}

.section-intro {
  max-width: 52rem;
  margin-bottom: 3.5rem;
}

.section-intro.text-center {
  margin-inline: auto;
  text-align: center;
}

.section-badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.85rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.05rem, 3.2vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--ink-primary);
  margin-bottom: 0.95rem;
  text-wrap: balance;
}

.section-subtitle {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--ink-secondary);
  max-width: 60ch;
  text-wrap: pretty;
}

.section-intro.text-center .section-subtitle {
  margin-inline: auto;
}

/* --------------------------------------------------------------------------
   THE 3-STAGE JOURNEY ADVENTURE (NOW -> 4 WEEKS -> 8 WEEKS)
   -------------------------------------------------------------------------- */

.journey-adventure-section {
  background: var(--surface-subtle);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.timeline-trail {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  position: relative;
}

@media (min-width: 901px) {
  .timeline-trail::before {
    content: "";
    position: absolute;
    top: 3.25rem;
    left: 12%;
    right: 12%;
    height: 2px;
    background: linear-gradient(90deg, rgba(15, 17, 21, 0.1) 0%, rgba(14, 131, 77, 0.45) 50%, rgba(225, 78, 27, 0.5) 100%);
    background-size: 200% 100%;
    animation: timelineFlow 5s ease infinite alternate;
    z-index: 0;
    pointer-events: none;
  }
}

@keyframes timelineFlow {
  0% { background-position: 0% 50%; }
  100% { background-position: 100% 50%; }
}

.timeline-card {
  background: var(--surface-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-card);
  transition: transform 240ms var(--ease), box-shadow 240ms var(--ease), border-color 240ms var(--ease);
}

.timeline-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--border-strong);
}

.timeline-card.stage-now {
  border-top: 3px solid var(--border-strong);
}

.timeline-card.stage-v1 {
  border-top: 3px solid var(--emerald);
  border-color: var(--emerald-border);
}

.timeline-card.stage-v2 {
  border-top: 3px solid var(--accent);
}

.timeline-journey-pin {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border-light);
}

.pin-circle {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-muted);
  color: var(--ink-secondary);
}

.stage-v1 .pin-circle {
  background: var(--emerald-soft);
  color: var(--emerald);
}

.stage-v2 .pin-circle {
  background: var(--accent-soft);
  color: var(--accent);
}

.pin-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-secondary);
}

.stage-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--ink-primary);
  margin-bottom: 0.75rem;
}

.stage-summary {
  font-size: 0.94rem;
  color: var(--ink-secondary);
  line-height: 1.55;
  margin-bottom: 1.5rem;
}

.stage-milestones {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.stage-milestones li {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  position: relative;
  padding-left: 1.35rem;
}

.stage-milestones li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.timeline-card.stage-v1 .stage-milestones li::before {
  background: var(--emerald);
}

.stage-milestones strong {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink-primary);
}

.stage-milestones span {
  font-size: 0.85rem;
  color: var(--ink-secondary);
  line-height: 1.45;
}

.stage-deliverable {
  margin-top: auto;
  padding: 0.85rem 1rem;
  background: var(--surface-muted);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  line-height: 1.4;
}

.stage-deliverable.featured-deliv {
  background: var(--emerald-soft);
  border-color: var(--emerald-border);
}

.deliv-label {
  font-weight: 700;
  color: var(--ink-primary);
  margin-right: 0.35rem;
}

.deliv-text {
  color: var(--ink-secondary);
}

@media (max-width: 1024px) {
  .timeline-trail {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
}

/* --------------------------------------------------------------------------
   FINANCIAL SIMULATOR SECTION
   -------------------------------------------------------------------------- */

.simulator-section {
  background: var(--bg-canvas);
}

/* Top KPI Deck */
.kpi-deck {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}

.kpi-card {
  background: var(--surface-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  position: relative;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.kpi-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.kpi-card.kpi-v1 {
  border-color: var(--emerald-border);
  border-top: 3px solid var(--emerald);
}

.kpi-card.kpi-v2 {
  border-color: var(--accent-border);
  border-top: 3px solid var(--accent);
}

.kpi-card.kpi-unit {
  border-top: 3px solid var(--ink-secondary);
}

.kpi-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  gap: 0.5rem;
}

.kpi-meta {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.kpi-version-tag {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--ink-primary);
}

.kpi-time-tag {
  font-size: 0.75rem;
  color: var(--ink-tertiary);
}

.kpi-numbers {
  margin-bottom: 0.85rem;
}

.kpi-main-fig {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--ink-primary);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.025em;
  transition: transform 200ms var(--ease);
}

.kpi-usd-fig {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink-tertiary);
  font-variant-numeric: tabular-nums;
  margin-top: 0.35rem;
}

.kpi-main-fig.is-positive {
  color: var(--emerald);
}

.kpi-usd-fig.is-positive {
  color: var(--emerald);
  opacity: 0.85;
}

.kpi-main-fig.is-negative,
.kpi-card.neg .kpi-main-fig,
.kpi-card.remain-main.neg .kpi-main-fig {
  color: var(--danger);
}

.kpi-usd-fig.is-negative,
.kpi-card.neg .kpi-usd-fig {
  color: var(--danger);
  opacity: 0.85;
}

.kpi-card.is-positive {
  border-top-color: var(--emerald);
}

.kpi-card.is-negative,
.kpi-card.neg {
  border-top-color: var(--danger);
}

.kpi-caption {
  font-size: 0.82rem;
  color: var(--ink-tertiary);
  line-height: 1.45;
  margin-top: auto;
}

.kpi-sub-text {
  font-size: 0.82rem;
  color: var(--ink-secondary);
  line-height: 1.45;
  margin-top: 0.5rem;
}

@media (max-width: 900px) {
  .kpi-deck {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

/* Simulator Workbench */
.simulator-workbench {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

.sim-panel {
  background: var(--surface-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-card);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.75rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-light);
}

.panel-heading {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--ink-primary);
}

.panel-subheading {
  font-size: 0.82rem;
  color: var(--ink-tertiary);
  margin-top: 0.15rem;
}

.badge-active {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.65rem;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-full);
}

.badge-comparison {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.65rem;
  background: var(--surface-muted);
  color: var(--ink-secondary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-full);
}

/* Controls Panel Inputs */
.input-block {
  margin-bottom: 1.85rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.input-block:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.input-label-title {
  display: block;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--ink-secondary);
  margin-bottom: 0.75rem;
}

.preset-pill-group {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.btn-preset {
  background: var(--surface-muted);
  border: 1px solid var(--border-light);
  color: var(--ink-secondary);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-preset:hover {
  background: var(--surface-hover);
  color: var(--ink-primary);
  border-color: var(--border-strong);
}

.btn-preset.is-on {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
  box-shadow: 0 2px 8px var(--accent-glow);
}

.field-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.65rem;
}

.field-top-row label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-primary);
}

.field-current-value {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

/* Radix / shadcn-style sliders: pointer-driven, live while dragging */
.hk-slider {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  height: 20px;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.hk-slider-track {
  position: relative;
  display: block;
  height: 6px;
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius-full);
  background: #ebe8e0;
}

.hk-slider-range {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--accent);
}

.hk-slider-thumb {
  position: absolute;
  top: 50%;
  left: 0;
  z-index: 1;
  width: 20px;
  height: 20px;
  margin: 0;
  padding: 0;
  border: 2px solid var(--accent);
  border-radius: var(--radius-full);
  background: #ffffff;
  box-shadow: 0 1px 3px rgba(15, 17, 21, 0.18);
  transform: translate(-50%, -50%);
  cursor: grab;
}

.hk-slider-thumb::after {
  content: "";
  position: absolute;
  inset: -10px;
}

.hk-slider.is-animating .hk-slider-range {
  transition: width 140ms var(--ease);
}

.hk-slider.is-animating .hk-slider-thumb {
  transition: left 140ms var(--ease);
}

.hk-slider.is-dragging {
  cursor: grabbing;
}

.hk-slider.is-dragging .hk-slider-thumb {
  cursor: grabbing;
  box-shadow: 0 0 0 8px var(--accent-soft), 0 1px 3px rgba(15, 17, 21, 0.18);
}

.hk-slider-thumb:focus {
  outline: none;
}

.hk-slider-thumb:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px var(--accent-soft), 0 0 0 2px var(--accent);
}

.range-limits {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--ink-tertiary);
  margin-top: 0.4rem;
}

.field-info-text {
  font-size: 0.8rem;
  color: var(--ink-tertiary);
  margin-top: 0.5rem;
  line-height: 1.45;
}

.field-info-text.is-warn {
  color: var(--warning);
}

/* Price Inputs */
.price-input-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.price-input-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.price-input-field.full-width {
  width: 100%;
}

.price-input-field label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-secondary);
}

.currency-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.price-num-input {
  width: 100%;
  background: var(--surface-muted);
  border: 1px solid var(--border-light);
  color: var(--ink-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.65rem 2rem 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition-fast), background var(--transition-fast);
  -moz-appearance: textfield;
}

.price-num-input::-webkit-outer-spin-button,
.price-num-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.price-num-input:focus {
  border-color: var(--accent);
  background: #ffffff;
}

.currency-label {
  position: absolute;
  right: 0.85rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink-tertiary);
  pointer-events: none;
}

/* Catalog Linked Group */
.catalog-config-group {
  background: var(--surface-muted);
  padding: 1.35rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
}

.catalog-config-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.catalog-ratio-badge {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  background: #ffffff;
  color: var(--ink-tertiary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
}

.sub-input-row {
  margin-bottom: 1.25rem;
}

.sub-input-row:last-of-type {
  margin-bottom: 0.5rem;
}

.catalog-explainer {
  font-size: 0.78rem;
  color: var(--ink-secondary);
}

/* Comparative Results Ledger */
.results-panel {
  display: flex;
  flex-direction: column;
}

.ledger-table {
  display: flex;
  flex-direction: column;
  margin-bottom: 2rem;
}

.ledger-header-row {
  display: grid;
  grid-template-columns: 1.55fr 1fr 1fr;
  padding: 0.75rem 0.5rem;
  border-bottom: 2px solid var(--border-strong);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-tertiary);
}

.ledger-header-row .col-v1,
.ledger-header-row .col-v2 {
  text-align: right;
}

.ledger-row {
  display: grid;
  grid-template-columns: 1.55fr 1fr 1fr;
  align-items: center;
  padding: 0.85rem 0.5rem;
  border-bottom: 1px solid var(--border-light);
  transition: background var(--transition-fast);
}

.ledger-row:hover {
  background: var(--surface-hover);
}

.item-detail {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.item-name {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink-primary);
}

.item-caption {
  font-size: 0.75rem;
  color: var(--ink-tertiary);
  line-height: 1.35;
}

.amount-val {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--ink-primary);
}

.amount-val .usd {
  display: block;
  font-size: 0.74rem;
  color: var(--ink-tertiary);
  font-weight: 400;
}

.ledger-row.row-revenue {
  background: var(--emerald-soft);
  border-color: var(--emerald-border);
}

.ledger-row.row-revenue .item-name {
  color: var(--emerald);
}

.ledger-row.row-revenue .amount-val {
  color: var(--emerald);
  font-weight: 600;
}

/* Store Row with 0 F for V1 */
.store-row-title-flex {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.badge-zero-store {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--emerald);
  background: var(--emerald-soft);
  border: 1px solid var(--emerald-border);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-full);
}

.highlight-zero {
  color: var(--emerald);
  font-weight: 600;
}

.ledger-row.row-cost-summary {
  border-top: 2px solid var(--border-strong);
  border-bottom: 2px solid var(--border-strong);
  background: var(--surface-muted);
  font-weight: 600;
}

.ledger-row.row-cost-summary .item-name {
  font-weight: 700;
}

.ledger-row.row-cost-summary .amount-val {
  font-weight: 700;
}

.ledger-row.row-net-result {
  background: linear-gradient(90deg, var(--emerald-soft) 0%, transparent 100%);
  border-bottom: none;
  padding-top: 1rem;
  padding-bottom: 1rem;
  transition: background 200ms var(--ease);
}

.ledger-row.row-net-result.is-negative {
  background: linear-gradient(90deg, var(--danger-soft) 0%, transparent 100%);
}

.net-label {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--emerald);
  transition: color 200ms var(--ease);
}

.ledger-row.row-net-result.is-negative .net-label {
  color: var(--danger);
}

.highlight-net {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink-primary);
  transition: color 200ms var(--ease);
}

.highlight-net.is-positive {
  color: var(--emerald);
}

.highlight-net.is-negative {
  color: var(--danger);
}

/* Unit Analysis Card */
.unit-analysis-card {
  background: var(--surface-muted);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.6rem;
  margin-top: auto;
}

.unit-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.35rem;
}

.unit-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink-primary);
}

.unit-sub {
  font-size: 0.75rem;
  color: var(--ink-tertiary);
  margin-top: 0.15rem;
}

.unit-badge-status {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--emerald);
  background: var(--emerald-soft);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--emerald-border);
}

.unit-metrics-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  padding-bottom: 1.15rem;
  border-bottom: 1px solid var(--border-light);
}

.unit-stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.unit-stat-label {
  font-size: 0.74rem;
  color: var(--ink-tertiary);
}

.unit-stat-val {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink-primary);
  font-variant-numeric: tabular-nums;
}

.unit-stat-val .usd {
  display: block;
  font-size: 0.72rem;
  color: var(--ink-tertiary);
  font-weight: 400;
}

.unit-stat.total-stat .unit-stat-val {
  color: var(--emerald);
  font-weight: 700;
  transition: color 200ms var(--ease);
}

.unit-stat.total-stat .unit-stat-val.is-negative {
  color: var(--danger);
}

.unit-badge-status.is-negative {
  color: var(--danger);
  background: var(--danger-soft);
  border-color: var(--danger-border, rgba(217, 56, 41, 0.22));
}

.unit-footer-note {
  font-size: 0.78rem;
  color: var(--ink-tertiary);
  margin-top: 0.85rem;
  line-height: 1.4;
}

@media (max-width: 1080px) {
  .simulator-workbench {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 640px) {
  .unit-metrics-strip {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
  .ledger-header-row,
  .ledger-row {
    grid-template-columns: 1.25fr 1fr 1fr;
  }
}

/* --------------------------------------------------------------------------
   OPERATIONAL CHALLENGES & POST-V1 RISKS SECTION
   -------------------------------------------------------------------------- */

.challenges-section {
  background: var(--surface-subtle);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.challenges-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

@media (max-width: 1040px) {
  .challenges-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 680px) {
  .challenges-grid {
    grid-template-columns: 1fr;
    gap: 1.35rem;
  }
}

.challenge-card {
  background: var(--surface-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 240ms var(--ease), box-shadow 240ms var(--ease), border-color 240ms var(--ease);
}

.challenge-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--border-strong);
}

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

.challenge-tag {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.22rem 0.6rem;
  border-radius: var(--radius-full);
}

.challenge-tag.tag-cost {
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--accent-border);
}

.challenge-tag.tag-security {
  background: rgba(185, 28, 28, 0.08);
  color: var(--danger);
  border: 1px solid rgba(185, 28, 28, 0.22);
}

.challenge-tag.tag-ops {
  background: rgba(15, 17, 21, 0.05);
  color: var(--ink-primary);
  border: 1px solid var(--border-strong);
}

.challenge-tag.tag-finance {
  background: var(--emerald-soft);
  color: var(--emerald);
  border: 1px solid var(--emerald-border);
}

.challenge-tag.tag-tech {
  background: rgba(2, 132, 199, 0.08);
  color: #0369a1;
  border: 1px solid rgba(2, 132, 199, 0.22);
}

.challenge-tag.tag-legal {
  background: var(--warning-soft);
  color: var(--warning);
  border: 1px solid var(--warning-border);
}

.challenge-phase {
  font-family: var(--font-body);
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--ink-tertiary);
  background: var(--surface-muted);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-light);
}

.challenge-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink-primary);
  line-height: 1.32;
  margin-bottom: 1.1rem;
  letter-spacing: -0.02em;
}

.challenge-block {
  margin-bottom: 1.15rem;
}

.challenge-block:last-of-type {
  margin-bottom: 0;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
}

.block-label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.35rem;
}

.block-label.risk-label {
  color: var(--danger);
}

.block-label.solution-label {
  color: var(--emerald);
}

.block-desc {
  font-family: var(--font-body);
  font-size: 0.86rem;
  color: var(--ink-secondary);
  line-height: 1.55;
}

/* --------------------------------------------------------------------------
   METHODOLOGY & BOUNDARIES SECTION
   -------------------------------------------------------------------------- */

.method-section {
  background: var(--bg-canvas);
}

.method-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.25rem;
}

.method-box {
  background: var(--surface-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-sm);
}

.method-box.boundaries-box {
  border-left: 4px solid var(--accent);
}

.method-box-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--ink-primary);
  margin-bottom: 1rem;
}

.method-box-lead {
  font-size: 0.9rem;
  color: var(--ink-secondary);
  margin-bottom: 1.35rem;
}

.method-specs-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.method-specs-list li {
  font-size: 0.88rem;
  color: var(--ink-secondary);
  line-height: 1.5;
  position: relative;
  padding-left: 1.35rem;
}

.method-specs-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 1.2rem;
  line-height: 1;
}

@media (max-width: 800px) {
  .method-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* --------------------------------------------------------------------------
   KEY OPERATIONAL CHOICES & EXECUTION DETAILS SECTION
   -------------------------------------------------------------------------- */

.faq-section {
  background: var(--surface-subtle);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.faq-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.faq-entry {
  background: var(--surface-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.faq-entry:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
}

.faq-question {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink-primary);
  margin-bottom: 0.85rem;
  line-height: 1.4;
}

.faq-answer {
  font-size: 0.94rem;
  color: var(--ink-secondary);
  line-height: 1.6;
}

@media (max-width: 800px) {
  .faq-cards-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

/* --------------------------------------------------------------------------
   FOOTER
   -------------------------------------------------------------------------- */

.footer {
  background: var(--surface-card);
  border-top: 1px solid var(--border-light);
  padding: 4.5rem 0 3.5rem;
}

.footer-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.6fr;
  gap: 3.5rem;
}

.footer-info .nav-brand {
  margin-bottom: 1rem;
}

.footer-desc {
  font-size: 0.9rem;
  color: var(--ink-secondary);
  line-height: 1.5;
  margin-bottom: 1.5rem;
  max-width: 36ch;
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--ink-tertiary);
}

.footer-col-head {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-primary);
  margin-bottom: 1.25rem;
}

.footer-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-nav-links a {
  font-size: 0.88rem;
  color: var(--ink-secondary);
  transition: color var(--transition-fast);
}

.footer-nav-links a:hover {
  color: var(--accent);
}

.footer-notice-text {
  font-size: 0.84rem;
  color: var(--ink-tertiary);
  line-height: 1.55;
}

@media (max-width: 860px) {
  .footer-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .footer {
    padding: 3rem 0;
  }
}

/* --------------------------------------------------------------------------
   MEANINGFUL MOTION & INTERACTION CHOREOGRAPHY
   -------------------------------------------------------------------------- */

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(22px);
  filter: blur(4px);
  transition: opacity 650ms var(--ease), transform 650ms var(--ease), filter 650ms var(--ease);
  will-change: opacity, transform, filter;
}

.reveal-on-scroll.is-revealed {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

.delay-1 { transition-delay: 70ms; }
.delay-2 { transition-delay: 140ms; }
.delay-3 { transition-delay: 210ms; }
.delay-4 { transition-delay: 280ms; }

/* Numeric tactile pop animation on calculation updates */
@keyframes numPop {
  0% { transform: scale(1); }
  35% { transform: scale(1.03); color: var(--accent); }
  100% { transform: scale(1); }
}

.num-pop {
  animation: numPop 220ms var(--ease);
}

/* Accessibility: Full reduced motion fallback */
@media (prefers-reduced-motion: reduce) {
  .reveal-on-scroll {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    transition: none !important;
  }
  .num-pop {
    animation: none !important;
  }
  .status-pulse-dot,
  .kicker-pulse-dot {
    animation: none !important;
  }
}