/* ==========================================================================
   VINASTRA AEROSPACE — APHELION DESIGN SYSTEM & HOMEPAGE ART DIRECTION
   Source Specification: APHELION Visual Reference + Pitch Deck 2026 + Overview PDF
   Palette: #08090B, #0D0F12, #F2F2F0, #A1A3A7, #73777D, #FF4B1F, #FF702D, #25282D, #1B1E23
   Fonts: Space Grotesk (Headings/Display), IBM Plex Mono (Technical/Metadata)
   ========================================================================== */

/* --------------------------------------------------------------------------
   0. Global Engineering Accents & Utilities
   -------------------------------------------------------------------------- */
.tech-section {
  position: relative;
  padding: clamp(36px, 4.5vh, 56px) var(--gutter);
  border-bottom: 1px solid var(--color-line);
  background-color: var(--color-bg);
}

.tech-section-alt {
  background-color: var(--color-surface);
}

.tech-container {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 10px;
}

.section-eyebrow .eyebrow-indicator {
  width: 7px;
  height: 7px;
  background-color: var(--color-accent);
  box-shadow: 0 0 10px var(--color-accent);
  display: inline-block;
}

.section-title {
  font-family: var(--font-sans);
  font-size: clamp(1.85rem, 3.8vw, 3.6rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: 12px;
}

.section-title .orange-dot {
  color: var(--color-accent);
}

.section-subtitle {
  font-family: var(--font-sans);
  font-size: clamp(0.9375rem, 1.15vw, 1.15rem);
  line-height: 1.55;
  color: var(--color-secondary);
  max-width: 720px;
  margin-bottom: 22px;
}

.tech-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 4px 8px;
  background: rgba(255, 75, 31, 0.08);
  border: 1px solid rgba(255, 75, 31, 0.3);
  color: var(--color-accent);
  border-radius: var(--radius-sm);
}

.mono-meta {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
}

/* Hairline Grid & Crosshairs */
.corner-ticks {
  position: relative;
}

.corner-ticks::before,
.corner-ticks::after {
  content: "+";
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-muted);
  opacity: 0.6;
  pointer-events: none;
}

.corner-ticks::before { top: -6px; left: -6px; }
.corner-ticks::after { bottom: -6px; right: -6px; }

/* --------------------------------------------------------------------------
   1. Hero Section: BUILDING INDUSTRY BEYOND EARTH
   -------------------------------------------------------------------------- */
.aphelion-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: calc(var(--header-height) + 40px) var(--gutter) 0;
  overflow: hidden;
  background: #08090B;
  border-bottom: 1px solid var(--color-line);
}

.hero-backdrop-layer {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.hero-backdrop-layer img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: right 35%;
  filter: brightness(0.68) contrast(1.15);
}

.hero-vignette-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, #08090B 0%, rgba(8, 9, 11, 0.92) 38%, rgba(8, 9, 11, 0.5) 60%, rgba(8, 9, 11, 0.2) 100%),
    linear-gradient(180deg, rgba(8, 9, 11, 0.6) 0%, transparent 40%, rgba(8, 9, 11, 0.95) 100%);
  pointer-events: none;
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(37, 40, 45, 0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 40, 45, 0.3) 1px, transparent 1px);
  background-size: 100px 100px;
  mask-image: radial-gradient(circle at 40% 50%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at 40% 50%, black 30%, transparent 80%);
}

.hero-content-wrapper {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding-bottom: clamp(40px, 6vh, 80px);
}

.hero-left-column {
  max-width: 620px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--color-accent);
  margin-bottom: 24px;
}

.hero-eyebrow-indicator {
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  box-shadow: 0 0 12px var(--color-accent);
  display: inline-block;
}

.hero-main-headline {
  font-family: var(--font-sans);
  font-size: clamp(2.8rem, 7vw, 6.5rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: 28px;
}

.hero-main-headline .hero-highlight {
  color: var(--color-accent);
}

.hero-supporting-copy {
  font-family: var(--font-sans);
  font-size: clamp(1.05rem, 1.35vw, 1.25rem);
  line-height: 1.6;
  color: var(--color-secondary);
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.btn-aphelion-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: var(--color-accent);
  color: #08090B;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 16px 28px;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-aphelion-primary:hover {
  background: var(--color-accent-bright);
  border-color: var(--color-accent-bright);
  box-shadow: 0 0 24px var(--color-accent-glow);
  transform: translateY(-1px);
}

.btn-aphelion-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: transparent;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 16px 28px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-aphelion-secondary:hover {
  border-color: var(--color-secondary);
  background: rgba(242, 242, 240, 0.04);
}

/* Metrics Strip */
.hero-metrics-strip {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  border-top: 1px solid var(--color-line);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 24px 0;
}

.hero-metric-item {
  padding: 0 24px;
  border-right: 1px solid var(--color-line);
}

.hero-metric-item:first-child {
  padding-left: 0;
}

.hero-metric-item:last-child {
  border-right: none;
}

.hero-metric-label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 6px;
}

.hero-metric-value {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text);
}

/* --------------------------------------------------------------------------
   2. Section 01: The Industrial Bottleneck (01 / THE CHALLENGE)
   -------------------------------------------------------------------------- */
.bottleneck-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.bottleneck-card {
  background: #0E1015;
  border: 1px solid #25282D;
  padding: 24px 22px;
  border-radius: var(--radius-sm);
  position: relative;
  transition: border-color var(--transition-fast);
}

.bottleneck-card:hover {
  border-color: var(--color-accent);
}

.bottleneck-num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-accent);
  letter-spacing: 0.15em;
  margin-bottom: 12px;
}

.bottleneck-card h3 {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 600;
  text-transform: uppercase;
  color: #FFFFFF;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.bottleneck-card p {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  line-height: 1.55;
  color: #A1A3A7;
}

.bottleneck-statement {
  border-left: 3px solid var(--color-accent);
  padding: 18px 24px;
  background: rgba(255, 75, 31, 0.04);
  border-top: 1px solid var(--color-line);
  border-right: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.bottleneck-statement p {
  font-family: var(--font-sans);
  font-size: clamp(1.05rem, 1.4vw, 1.35rem);
  font-weight: 500;
  line-height: 1.4;
  color: var(--color-text);
}

/* --------------------------------------------------------------------------
   3. Section 02: The ASCS Platform (02 / CORE TECHNOLOGY)
   -------------------------------------------------------------------------- */
.ascs-architecture-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: stretch;
}

.ascs-exploded-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ascs-layer-card {
  background: #0E1015;
  border: 1px solid #25282D;
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  position: relative;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.ascs-layer-card:hover,
.ascs-layer-card.active {
  border-color: var(--color-accent);
  background: rgba(255, 75, 31, 0.05);
  transform: translateX(4px);
}

.ascs-layer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.ascs-layer-id {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--color-accent);
  text-transform: uppercase;
}

.ascs-layer-title {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-text);
}

.ascs-layer-subtext {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--color-secondary);
}

.ascs-layer-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.ascs-layer-tag {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  padding: 2px 7px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-line);
  color: var(--color-muted);
  border-radius: 2px;
}

.ascs-video-side,
.ascs-embed-side {
  position: relative;
  background: #08090B;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.ascs-video-wrapper {
  position: relative;
  width: 100%;
  height: 400px;
  background: #000;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ascs-satellite-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.ascs-video-overlay-hud {
  position: absolute;
  top: 14px;
  left: 16px;
  right: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
  z-index: 2;
  background: rgba(8, 9, 11, 0.7);
  backdrop-filter: blur(6px);
  padding: 6px 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
}

.ascs-video-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  text-transform: uppercase;
}

.ascs-layers-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-top: 18px;
}

.ascs-principle-banner {
  margin-top: 14px;
  padding: 12px 18px;
  background: #08090B;
  border: 1px dashed var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  text-align: center;
}

.ascs-visual-side {
  position: relative;
  background: #08090B;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.ascs-visual-side img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  filter: brightness(0.8) contrast(1.1);
}

.ascs-visual-caption {
  padding: 14px 20px;
  background: var(--color-surface);
  border-top: 1px solid var(--color-line);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* --------------------------------------------------------------------------
   4. Section 03: Autonomous Construction Works (03 / CONSTRUCTION SEQUENCE)
   -------------------------------------------------------------------------- */
.construction-sequence-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.sequence-stage-card {
  background: #0E1015;
  border: 1px solid #25282D;
  padding: 18px 14px;
  border-radius: var(--radius-sm);
  position: relative;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-fast);
}

.sequence-stage-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.stage-step-num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.12em;
  margin-bottom: 8px;
}

.stage-name {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #FFFFFF;
  margin-bottom: 8px;
}

.stage-desc {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  line-height: 1.45;
  color: #A1A3A7;
}

.operational-modes-panel {
  background: #0E1015;
  border: 1px solid #25282D;
  padding: 18px 24px;
  border-radius: var(--radius-sm);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.mode-item {
  border-left: 2px solid var(--color-line);
  padding-left: 16px;
}

.mode-item.mode-normal { border-left-color: #10B981; }
.mode-item.mode-anomaly { border-left-color: var(--color-accent); }
.mode-item.mode-critical { border-left-color: #EF4444; }

.mode-name {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: 6px;
}

.mode-desc {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: #A1A3A7;
  line-height: 1.45;
}

/* --------------------------------------------------------------------------
   5. Section 04: The Vinastra Space Factory (04 / LONG-TERM VISION)
   -------------------------------------------------------------------------- */
.factory-hero-visual {
  position: relative;
  width: 100%;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 20px;
}

.factory-hero-visual img {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
  filter: brightness(0.9) contrast(1.1);
}

.factory-visual-bar {
  padding: 14px 20px;
  background: var(--color-surface);
  border-top: 1px solid var(--color-line);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.factory-capabilities-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.capability-card {
  background: #0E1015;
  border: 1px solid #25282D;
  padding: 20px 18px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.capability-card:hover {
  border-color: var(--color-accent);
  background: rgba(255, 75, 31, 0.02);
}

.capability-card-num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.capability-card h4 {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 600;
  text-transform: uppercase;
  color: #FFFFFF;
  margin-bottom: 8px;
}

.capability-card p {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  line-height: 1.45;
  color: #A1A3A7;
}

/* --------------------------------------------------------------------------
   6. Section 05: Resource-to-Product Economy (05 / SPACE RESOURCE ECONOMY)
   -------------------------------------------------------------------------- */
.resource-chain-hero {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 20px;
}

.resource-chain-hero img {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
}

.resource-stages-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.resource-stage-item {
  background: #0E1015;
  border: 1px solid #25282D;
  padding: 18px 14px;
  border-radius: var(--radius-sm);
  position: relative;
}

.resource-stage-item::after {
  content: "→";
  position: absolute;
  right: -10px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  color: var(--color-accent);
  font-size: 0.875rem;
  z-index: 3;
}

.resource-stage-item:last-child::after {
  display: none;
}

.resource-stage-num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.resource-stage-title {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.resource-stage-desc {
  font-family: var(--font-sans);
  font-size: 0.775rem;
  line-height: 1.45;
  color: #A1A3A7;
}

.resource-milestone-callout {
  padding: 16px 20px;
  background: #0E1015;
  border-left: 3px solid var(--color-accent);
  border-top: 1px solid var(--color-line);
  border-right: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: #C0C4CB;
  line-height: 1.5;
}

.resource-milestone-callout strong {
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   7. Section 06: Prototype-1 and Research (06 / ENGINEERING VALIDATION)
   -------------------------------------------------------------------------- */
.prototype-showcase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: center;
}

.prototype-image-box {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.prototype-image-box img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  filter: brightness(0.85);
}

.prototype-objectives-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.objective-item {
  background: #0E1015;
  border: 1px solid #25282D;
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast);
}

.objective-item:hover {
  border-color: var(--color-accent);
}

.objective-item h4 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.objective-item p {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  line-height: 1.45;
  color: #A1A3A7;
}

/* --------------------------------------------------------------------------
   8. Section 07: Digital Twin & Mission Control (07 / INTELLIGENT OPERATIONS)
   -------------------------------------------------------------------------- */
.mission-console-container {
  border: 1px solid #25282D;
  background: #08090B;
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 20px;
}

.console-header-bar {
  background: #0E1015;
  padding: 12px 20px;
  border-bottom: 1px solid var(--color-line);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.console-status-live {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: #10B981;
}

.live-pulse {
  width: 6px;
  height: 6px;
  background: #10B981;
  border-radius: 50%;
  box-shadow: 0 0 8px #10B981;
}

.console-main-layout {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  min-height: 400px;
}

.console-viewport {
  position: relative;
  border-right: 1px solid var(--color-line);
  background: #050608;
  overflow: hidden;
}

.console-viewport img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.8;
}

.viewport-hud-overlay {
  position: absolute;
  inset: 0;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  pointer-events: none;
}

.hud-telemetry-tag {
  align-self: flex-start;
  padding: 4px 10px;
  background: rgba(8, 9, 11, 0.85);
  border: 1px solid var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-accent);
}

.hud-coordinates {
  align-self: flex-end;
  padding: 4px 10px;
  background: rgba(8, 9, 11, 0.85);
  border: 1px solid var(--color-line);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--color-secondary);
}

.console-sidebar {
  background: #0E1015;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sidebar-data-block {
  border-bottom: 1px solid var(--color-line);
  padding-bottom: 12px;
}

.sidebar-data-block:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.sidebar-label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 4px;
}

.sidebar-value {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: #FFFFFF;
}

.sidebar-telemetry-log {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  line-height: 1.5;
  color: var(--color-muted);
  background: #08090B;
  padding: 10px;
  border: 1px solid var(--color-line);
  border-radius: 2px;
}

/* --------------------------------------------------------------------------
   9. Section 08: Development Roadmap (08 / ROADMAP)
   -------------------------------------------------------------------------- */
.roadmap-phases-container {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.roadmap-phase-card {
  background: #0E1015;
  border: 1px solid #25282D;
  padding: 20px 16px;
  border-radius: var(--radius-sm);
  position: relative;
  transition: all var(--transition-fast);
}

.roadmap-phase-card:hover {
  border-color: var(--color-accent);
}

.phase-number {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-accent);
  letter-spacing: 0.12em;
  margin-bottom: 8px;
}

.phase-title {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  color: #FFFFFF;
  margin-bottom: 8px;
}

.phase-desc {
  font-family: var(--font-sans);
  font-size: 0.775rem;
  line-height: 1.45;
  color: #A1A3A7;
}

.milestones-deck-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.milestone-year-card {
  background: #0E1015;
  border: 1px solid #25282D;
  padding: 18px 16px;
  border-radius: var(--radius-sm);
}

.milestone-year {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 4px;
}

.milestone-focus {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  color: #FFFFFF;
  margin-bottom: 4px;
}

.milestone-details {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  line-height: 1.45;
  color: #A1A3A7;
}

.roadmap-disclaimer {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-muted);
  padding: 12px 18px;
  border: 1px solid var(--color-line);
  background: #0E1015;
}

/* --------------------------------------------------------------------------
   10. Section 09: Market and Business Model (09 / INDUSTRIAL OPPORTUNITY)
   -------------------------------------------------------------------------- */
.market-context-banner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  background: #0E1015;
  border: 1px solid #25282D;
  padding: 24px 32px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
}

.macro-stat-number {
  font-family: var(--font-sans);
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 6px;
}

.macro-stat-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #A1A3A7;
}

.market-beachhead-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 20px;
}

.beachhead-card {
  background: #0E1015;
  border: 1px solid #25282D;
  padding: 20px 18px;
  border-radius: var(--radius-sm);
}

.beachhead-card h4 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.beachhead-card p {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  line-height: 1.45;
  color: #A1A3A7;
}

.business-stages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.business-stage-box {
  background: #0E1015;
  border: 1px solid #25282D;
  padding: 20px 18px;
  border-radius: var(--radius-sm);
  position: relative;
}

.business-stage-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.business-stage-title {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  color: #FFFFFF;
  margin-bottom: 8px;
}

.business-stage-items {
  list-style: none;
  padding: 0;
  margin: 0;
}

.business-stage-items li {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: #A1A3A7;
  line-height: 1.55;
  position: relative;
  padding-left: 14px;
}

.business-stage-items li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   11. Section 10: Research Ecosystem (10 / RESEARCH ECOSYSTEM)
   -------------------------------------------------------------------------- */
.research-split-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 24px;
  align-items: flex-start;
  margin-bottom: 24px;
}

.research-domains-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.domain-pill-card {
  background: #0E1015;
  border: 1px solid #25282D;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 12px;
}

.domain-indicator {
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  flex-shrink: 0;
}

.domain-name {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  color: #FFFFFF;
}

.collaboration-tracks-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.collab-track-card {
  background: #0E1015;
  border: 1px solid #25282D;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
}

.collab-track-card h4 {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  color: #FFFFFF;
  margin-bottom: 4px;
}

.collab-track-card p {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  line-height: 1.45;
  color: #A1A3A7;
}

/* --------------------------------------------------------------------------
   12. Section 11: Defensibility and Technology Development (11 / ENGINEERING ADVANTAGE)
   -------------------------------------------------------------------------- */
.defensibility-pillars-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.defensibility-card {
  background: #0E1015;
  border: 1px solid #25282D;
  padding: 20px 16px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.defensibility-card:hover {
  border-color: var(--color-accent);
}

.defensibility-num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-accent);
  letter-spacing: 0.14em;
  margin-bottom: 8px;
}

.defensibility-card h4 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.defensibility-card p {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  line-height: 1.45;
  color: #A1A3A7;
}

/* --------------------------------------------------------------------------
   13. Section 12: Investment and Prototype Funding (12 / INVESTMENT OPPORTUNITY)
   -------------------------------------------------------------------------- */
.investment-hero-banner {
  background: #0E1015;
  border: 1px solid #25282D;
  padding: 28px 36px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 24px;
  align-items: center;
}

.invest-ask-headline {
  font-family: var(--font-sans);
  font-size: clamp(1.85rem, 3.2vw, 2.8rem);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.05;
  margin-bottom: 8px;
}

.invest-runway-text {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #FFFFFF;
  margin-bottom: 10px;
}

.invest-objective-p {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  line-height: 1.5;
  color: #A1A3A7;
}

/* Allocation Visualizer */
.allocation-bar-stack {
  display: flex;
  height: 10px;
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 20px;
  background: var(--color-line);
}

.alloc-seg-1 { width: 35%; background: #FF4B1F; }
.alloc-seg-2 { width: 25%; background: #FF702D; }
.alloc-seg-3 { width: 20%; background: #FFA366; }
.alloc-seg-4 { width: 10%; background: #73777D; }
.alloc-seg-5 { width: 10%; background: #363B42; }

.allocation-breakdown-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.alloc-item-card {
  background: #0E1015;
  border: 1px solid #25282D;
  padding: 16px 14px;
  border-radius: var(--radius-sm);
}

.alloc-item-pct {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 4px;
}

.alloc-item-title {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  color: #FFFFFF;
  margin-bottom: 4px;
}

.alloc-item-desc {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  line-height: 1.45;
  color: #A1A3A7;
}

/* --------------------------------------------------------------------------
   14. Section 13: Final Call to Action (13 / CALL TO ACTION)
   -------------------------------------------------------------------------- */
.final-cta-section {
  position: relative;
  padding: clamp(48px, 7vh, 80px) var(--gutter);
  border-bottom: 1px solid var(--color-line);
  overflow: hidden;
  background: #08090B;
  text-align: center;
}

.cta-backdrop-layer {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.cta-backdrop-layer img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.35) contrast(1.15);
}

.cta-content-wrapper {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.cta-headline {
  font-family: var(--font-sans);
  font-size: clamp(1.85rem, 4vw, 3.4rem);
  font-weight: 700;
  line-height: 1.05;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: 16px;
}

.cta-supporting-text {
  font-family: var(--font-sans);
  font-size: clamp(0.9375rem, 1.2vw, 1.15rem);
  line-height: 1.55;
  color: #A1A3A7;
  margin-bottom: 28px;
}

.cta-actions-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   15. Global Minimal Dark Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: #08090B;
  border-top: 1px solid var(--color-line);
  padding: 48px var(--gutter) 28px;
  font-family: var(--font-sans);
}

.footer-inner-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-brand-title {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-text);
  margin-bottom: 8px;
}

.footer-brand-tagline {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.footer-legal-desc {
  font-size: 0.8125rem;
  line-height: 1.55;
  color: #A1A3A7;
  max-width: 320px;
}

.footer-column-heading {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 14px;
}

.footer-links-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links-list a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #A1A3A7;
  transition: color var(--transition-fast);
  text-decoration: none;
}

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

.footer-contact-details {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.footer-contact-row span {
  display: block;
  font-size: 0.625rem;
  color: var(--color-muted);
  letter-spacing: 0.1em;
  margin-bottom: 2px;
}

.footer-contact-row a {
  color: var(--color-text);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.footer-contact-row a:hover {
  color: var(--color-accent);
}

.footer-disclaimer-box {
  max-width: var(--max-width);
  margin: 0 auto 24px;
  padding: 16px 20px;
  background: #0E1015;
  border: 1px solid var(--color-line);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  line-height: 1.55;
  color: var(--color-muted);
}

.footer-disclaimer-box strong {
  color: #C0C4CB;
}

.footer-bottom-bar {
  max-width: var(--max-width);
  margin: 0 auto;
  border-top: 1px solid var(--color-line);
  padding-top: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-muted);
  letter-spacing: 0.08em;
}

/* --------------------------------------------------------------------------
   16. Responsive Breakpoints
   -------------------------------------------------------------------------- */
@media (max-width: 1200px) {
  .ascs-layers-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .construction-sequence-grid,
  .resource-stages-grid,
  .roadmap-phases-container {
    grid-template-columns: repeat(3, 1fr);
  }
  .defensibility-pillars-grid,
  .allocation-breakdown-grid,
  .milestones-deck-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .factory-capabilities-grid,
  .market-beachhead-grid,
  .business-stages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .ascs-architecture-wrapper,
  .prototype-showcase-grid,
  .console-main-layout,
  .investment-hero-banner,
  .research-split-layout {
    grid-template-columns: 1fr;
  }
  .console-viewport {
    border-right: none;
    border-bottom: 1px solid var(--color-line);
  }
}

@media (max-width: 860px) {
  .tech-section {
    padding: 32px 16px;
  }
  .ascs-layers-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .ascs-video-wrapper,
  .ascs-visual-side img {
    height: 280px;
  }
  .bottleneck-grid {
    grid-template-columns: 1fr;
  }
  .construction-sequence-grid,
  .resource-stages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .roadmap-phases-container,
  .defensibility-pillars-grid,
  .allocation-breakdown-grid,
  .milestones-deck-grid,
  .factory-capabilities-grid,
  .market-beachhead-grid,
  .business-stages-grid,
  .research-domains-grid,
  .operational-modes-panel,
  .market-context-banner {
    grid-template-columns: 1fr;
  }
  .hero-metrics-strip {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .hero-metric-item {
    border-right: none;
    border-bottom: 1px solid var(--color-line);
    padding: 0 0 10px 0;
  }
  .hero-metric-item:last-child {
    border-bottom: none;
  }
  .footer-inner-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer-bottom-bar {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }
}

@media (max-width: 520px) {
  .ascs-layers-grid,
  .construction-sequence-grid,
  .resource-stages-grid {
    grid-template-columns: 1fr;
  }
  .ascs-video-wrapper,
  .ascs-visual-side img {
    height: 220px;
  }
  .section-title {
    font-size: 1.75rem;
  }
  .hero-main-headline {
    font-size: 2.3rem;
  }
  .btn-aphelion-primary,
  .btn-aphelion-secondary {
    width: 100%;
    justify-content: center;
  }
}