/* ==========================================================================
   PORTFOLIO COMPONENT STYLES V2 (HORIZONX EDITORIAL AESTHETIC)
   Ali Akbar Junaydullayev — Digital Economy × Software × AI
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. SITE HEADER & FLOATING NAVIGATION
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 100;
  transition: background-color var(--trans-smooth), backdrop-filter var(--trans-smooth), border-color var(--trans-smooth);
  border-bottom: 1px solid transparent;
}

.site-header.header-scrolled {
  background-color: var(--bg-glass-nav);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-logo {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--text-primary);
}

.brand-status-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.015);
}

@media (max-width: 1100px) {
  .brand-status-chip {
    display: none;
  }
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--text-secondary);
  position: relative;
  padding: 0.4rem 0;
  transition: color var(--trans-instant);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-sapphire);
  transition: width var(--trans-instant);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}

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

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

/* Sound Toggle Button */
.sound-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  transition: all var(--trans-instant);
}

.sound-toggle-btn:hover {
  border-color: var(--border-medium);
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.sound-toggle-btn.active {
  border-color: var(--border-accent);
  color: var(--accent-sapphire);
}

.sound-wave-bars {
  display: flex;
  align-items: center;
  gap: 2px;
  height: 12px;
}

.sound-wave-bar {
  width: 2px;
  height: 3px;
  background-color: currentColor;
  border-radius: 1px;
  transition: height var(--trans-instant);
}

.sound-wave-bar.animating:nth-child(1) {
  animation: soundPulse1 0.8s ease-in-out infinite alternate;
}
.sound-wave-bar.animating:nth-child(2) {
  animation: soundPulse2 0.6s ease-in-out infinite alternate 0.15s;
}
.sound-wave-bar.animating:nth-child(3) {
  animation: soundPulse3 0.9s ease-in-out infinite alternate 0.3s;
}

@keyframes soundPulse1 { 0% { height: 3px; } 100% { height: 11px; } }
@keyframes soundPulse2 { 0% { height: 3px; } 100% { height: 13px; } }
@keyframes soundPulse3 { 0% { height: 3px; } 100% { height: 8px; } }

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  padding: 8px;
}

.mobile-menu-btn span {
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 1px;
  transition: transform var(--trans-instant), opacity var(--trans-instant);
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}
.mobile-menu-btn.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Fullscreen Navigation Overlay */
.mobile-menu {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-height));
  background: rgba(2, 2, 4, 0.98);
  backdrop-filter: blur(24px);
  z-index: 99;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 3.5rem 2rem 2.5rem;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: transform var(--trans-smooth), opacity var(--trans-smooth), visibility var(--trans-smooth);
}

.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.mobile-nav-link {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.mobile-menu-footer {
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.5rem;
}

@media (max-width: 900px) {
  .desktop-nav {
    display: none;
  }
  .mobile-menu-btn {
    display: flex;
  }
}

/* --------------------------------------------------------------------------
   2. HERO SECTION V2 (EDITORIAL HORIZONX COMPOSITION)
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-height) + 2rem);
  padding-bottom: 5rem;
  overflow: hidden;
}

#hero-canvas-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 1080px;
  width: 100%;
}

.hero-editorial-badge {
  margin-bottom: 2.25rem;
}

.hero-title-display {
  font-size: clamp(2.4rem, 6.2vw, 5.8rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 0.98;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 1.75rem;
  overflow-wrap: break-word;
  word-break: break-word;
}

.hero-title-display .text-gradient {
  background: var(--grad-sapphire-violet);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  max-width: 100%;
}

.hero-discipline-rail {
  font-family: var(--font-mono);
  font-size: clamp(0.85rem, 1.6vw, 1.15rem);
  letter-spacing: 0.12em;
  color: var(--accent-sapphire);
  margin-bottom: 1.75rem;
  text-transform: uppercase;
  line-height: 1.4;
}

.hero-statement-lead {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 680px;
  margin-bottom: 3rem;
}

.hero-action-cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 3.5rem;
}

/* Premium Buttons */
.btn-primary-v2 {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1.05rem 2.25rem;
  border-radius: var(--radius-pill);
  background: #ffffff;
  color: #020204;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: transform var(--trans-instant), box-shadow var(--trans-instant), background var(--trans-instant);
}

.btn-primary-v2:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(255, 255, 255, 0.22);
  background: #f1f5f9;
}

.btn-secondary-v2 {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1.05rem 2.25rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  backdrop-filter: blur(12px);
  transition: all var(--trans-instant);
}

.btn-secondary-v2:hover {
  border-color: var(--accent-sapphire);
  color: var(--accent-sapphire);
  background: rgba(56, 189, 248, 0.06);
  transform: translateY(-2px);
}

.hero-telemetry-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
}

.telemetry-chip {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-xs);
  background: rgba(255, 255, 255, 0.015);
  border: 1px solid var(--border-subtle);
}

.hero-bottom-rail {
  position: absolute;
  bottom: 2rem;
  left: 0;
  width: 100%;
  z-index: 4;
}

.hero-bottom-rail-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.5rem;
}

@media (max-width: 768px) {
  .hero-title-display {
    font-size: clamp(2rem, 9vw, 3.2rem);
    line-height: 1.05;
  }
  .hero-bottom-rail-inner {
    flex-direction: column;
    gap: 0.65rem;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .hero-title-display {
    font-size: clamp(1.85rem, 8.5vw, 2.5rem);
  }
}

/* --------------------------------------------------------------------------
   3. PHILOSOPHY & ABOUT SECTION V2
   -------------------------------------------------------------------------- */
.about-grid-v2 {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 4.5rem;
  align-items: start;
}

@media (max-width: 992px) {
  .about-grid-v2 {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }
}

.about-quote-editorial {
  font-size: clamp(1.35rem, 2.5vw, 2.1rem);
  font-weight: 600;
  line-height: 1.38;
  color: var(--text-primary);
  letter-spacing: -0.025em;
  margin-bottom: 2rem;
}

.about-body-narrative {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 2.75rem;
}

.metrics-matrix-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (max-width: 550px) {
  .metrics-matrix-grid {
    grid-template-columns: 1fr;
  }
}

.metric-panel {
  padding: 2rem 1.75rem;
  border-radius: var(--radius-md);
  background: var(--bg-surface-1);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(12px);
  transition: border-color var(--trans-instant), transform var(--trans-instant);
}

.metric-panel:hover {
  border-color: var(--border-medium);
  transform: translateY(-2px);
}

.metric-display-num {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 0.6rem;
  background: var(--grad-sapphire-violet);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.metric-descriptor {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.capabilities-pillar-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.capability-block {
  padding: 2.25rem;
  border-radius: var(--radius-lg);
  background: var(--bg-surface-1);
  border: 1px solid var(--border-subtle);
  transition: all var(--trans-smooth);
}

.capability-block:hover {
  border-color: var(--border-medium);
  background: var(--bg-surface-2);
  transform: translateY(-3px);
}

.capability-block-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.85rem;
}

.capability-block-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-sapphire);
}

.capability-block-title {
  font-size: 1.35rem;
  color: var(--text-primary);
}

.capability-block-desc {
  font-size: 0.96rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   4. FEATURED PROJECT (CROSSPOSTBOT BLUEPRINT V2)
   -------------------------------------------------------------------------- */
.blueprint-frame-v2 {
  border-radius: var(--radius-lg);
  background: var(--bg-surface-1);
  border: 1px solid var(--border-subtle);
  padding: 4rem 3.5rem;
  position: relative;
  overflow: hidden;
}

@media (max-width: 768px) {
  .blueprint-frame-v2 {
    padding: 2.25rem 1.5rem;
  }
}

.blueprint-frame-v2::before {
  content: '';
  position: absolute;
  top: -180px;
  right: -180px;
  width: 450px;
  height: 450px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.blueprint-meta-rail {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.75rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.blueprint-title {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.blueprint-tagline {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 800px;
  margin-bottom: 3.5rem;
  line-height: 1.6;
}

/* Blueprint Pipeline Nodes */
.blueprint-nodes-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

@media (max-width: 950px) {
  .blueprint-nodes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 550px) {
  .blueprint-nodes-grid {
    grid-template-columns: 1fr;
  }
}

.blueprint-node-card {
  padding: 1.65rem 1.35rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.015);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  text-align: left;
  transition: all var(--trans-instant);
}

.blueprint-node-card:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-medium);
}

.blueprint-node-card.active {
  background: rgba(56, 189, 248, 0.08);
  border-color: var(--accent-sapphire);
  box-shadow: 0 0 24px rgba(56, 189, 248, 0.15);
}

.node-stage-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--accent-sapphire);
  margin-bottom: 0.4rem;
  display: block;
}

.node-title-label {
  font-family: var(--font-heading);
  font-size: 1.08rem;
  color: var(--text-primary);
}

.blueprint-telemetry-panel {
  padding: 2.25rem;
  border-radius: var(--radius-md);
  background: #06060a;
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--accent-sapphire);
}

.telemetry-stage-title {
  font-size: 1.3rem;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.telemetry-stage-desc {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.telemetry-tech-specs {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-champagne);
}

/* --------------------------------------------------------------------------
   5. SELECTED WORK GALLERY V2 (EDITORIAL CARDS & FILTER TABS)
   -------------------------------------------------------------------------- */
.filter-tabs-cluster {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 4rem;
}

.filter-chip-btn {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  padding: 0.65rem 1.45rem;
  border-radius: var(--radius-pill);
  background: var(--bg-surface-1);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  transition: all var(--trans-instant);
}

.filter-chip-btn:hover {
  border-color: var(--border-medium);
  color: var(--text-primary);
}

.filter-chip-btn.active {
  background: #ffffff;
  color: #020204;
  font-weight: 700;
  border-color: #ffffff;
}

.editorial-projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

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

.editorial-project-card {
  position: relative;
  border-radius: var(--radius-lg);
  background: var(--bg-surface-1);
  border: 1px solid var(--border-subtle);
  padding: 3rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 400px;
  cursor: pointer;
  overflow: hidden;
  transition: transform var(--trans-smooth), border-color var(--trans-smooth), box-shadow var(--trans-smooth);
}

@media (max-width: 600px) {
  .editorial-project-card {
    padding: 2rem 1.5rem;
  }
}

.editorial-project-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-medium);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.5);
  background: var(--bg-surface-2);
}

.project-top-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2.25rem;
}

.project-index-num {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--accent-sapphire);
}

.project-category-signal {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-violet);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
  display: block;
}

.project-card-heading {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1rem;
  letter-spacing: -0.025em;
}

.project-card-summary {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.project-card-bottom-rail {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.6rem;
  margin-top: auto;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.project-tech-badges-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.tech-pill-chip {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-xs);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.project-direction-arrow {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--text-primary);
  transition: color var(--trans-instant), transform var(--trans-instant);
}

.editorial-project-card:hover .project-direction-arrow {
  color: var(--accent-sapphire);
  transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   6. SKILLS & TECHNOLOGY MATRIX V2
   -------------------------------------------------------------------------- */
.skills-blueprint-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

@media (max-width: 950px) {
  .skills-blueprint-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .skills-blueprint-grid {
    grid-template-columns: 1fr;
  }
}

.skill-matrix-panel {
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  background: var(--bg-surface-1);
  border: 1px solid var(--border-subtle);
  transition: all var(--trans-smooth);
}

.skill-matrix-panel:hover {
  transform: translateY(-4px);
  border-color: var(--border-medium);
  background: var(--bg-surface-2);
}

.matrix-panel-title {
  font-size: 1.3rem;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.matrix-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-sapphire);
}

.matrix-pills-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.matrix-pill {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  transition: all var(--trans-instant);
}

.matrix-pill:hover {
  color: var(--text-primary);
  border-color: var(--accent-sapphire);
  background: rgba(56, 189, 248, 0.08);
}

/* --------------------------------------------------------------------------
   7. AI & CREATIVE LAB V2 (SECONDARY CINEMATIC VISUAL)
   -------------------------------------------------------------------------- */
.lab-cinematic-stage {
  position: relative;
  width: 100%;
  height: 460px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  margin-bottom: 4rem;
}

#secondary-visual-container {
  width: 100%;
  height: 100%;
  position: relative;
}

#secondary-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.lab-stage-overlay {
  position: absolute;
  bottom: 2.25rem;
  left: 2.25rem;
  right: 2.25rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  pointer-events: none;
}

@media (max-width: 600px) {
  .lab-stage-overlay {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    left: 1.5rem;
    right: 1.5rem;
    bottom: 1.5rem;
  }
}

.lab-stage-heading {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--text-primary);
}

.lab-stage-caption {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.lab-experiments-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

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

.experiment-spec-card {
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  background: var(--bg-surface-1);
  border: 1px solid var(--border-subtle);
  transition: all var(--trans-smooth);
}

.experiment-spec-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-violet);
  background: var(--bg-surface-2);
}

.experiment-tag-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-violet);
  margin-bottom: 1.1rem;
  display: block;
}

.experiment-card-title {
  font-size: 1.4rem;
  color: var(--text-primary);
  margin-bottom: 0.85rem;
}

.experiment-card-desc {
  font-size: 0.96rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   8. ENGINEERING TIMELINE V2
   -------------------------------------------------------------------------- */
.timeline-architectural-track {
  position: relative;
  max-width: 920px;
  margin: 0 auto;
}

.timeline-architectural-track::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 20px;
  width: 1px;
  background: var(--border-subtle);
}

.timeline-phase-node {
  position: relative;
  padding-left: 64px;
  margin-bottom: 3.75rem;
}

.timeline-phase-indicator {
  position: absolute;
  left: 16px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent-sapphire);
  box-shadow: 0 0 12px var(--accent-sapphire);
}

.timeline-epoch-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--accent-champagne);
  margin-bottom: 0.45rem;
}

.timeline-phase-heading {
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-bottom: 0.85rem;
}

.timeline-phase-summary {
  font-size: 1.02rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   9. CAPABILITIES V2
   -------------------------------------------------------------------------- */
.capabilities-matrix-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

@media (max-width: 950px) {
  .capabilities-matrix-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .capabilities-matrix-grid {
    grid-template-columns: 1fr;
  }
}

.capability-card-v2 {
  padding: 2.75rem 2.25rem;
  border-radius: var(--radius-lg);
  background: var(--bg-surface-1);
  border: 1px solid var(--border-subtle);
  transition: all var(--trans-smooth);
}

.capability-card-v2:hover {
  transform: translateY(-4px);
  border-color: var(--border-medium);
  background: var(--bg-surface-2);
}

.capability-index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-sapphire);
  margin-bottom: 1.35rem;
  display: block;
}

.capability-heading {
  font-size: 1.4rem;
  color: var(--text-primary);
  margin-bottom: 0.85rem;
}

.capability-body {
  font-size: 0.96rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   10. CONTACT / CTA SECTION V2
   -------------------------------------------------------------------------- */
.contact-architectural-box {
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.12) 0%, rgba(5, 5, 8, 0.85) 75%);
  border: 1px solid var(--border-subtle);
  padding: 6rem 3.5rem;
  text-align: center;
}

@media (max-width: 768px) {
  .contact-architectural-box {
    padding: 4rem 1.5rem;
  }
}

.contact-display-title {
  font-size: clamp(2.2rem, 5.5vw, 4.8rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  line-height: 1.05;
  margin-bottom: 1.75rem;
  text-transform: uppercase;
  overflow-wrap: break-word;
  word-break: break-word;
}

.contact-lead-desc {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 3.5rem auto;
  line-height: 1.65;
}

.contact-links-cluster {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 4rem;
}

.contact-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1.05rem 2rem;
  border-radius: var(--radius-pill);
  background: var(--bg-surface-1);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  transition: all var(--trans-instant);
}

.contact-action-btn:hover {
  border-color: var(--accent-sapphire);
  color: var(--accent-sapphire);
  transform: translateY(-2px);
  background: rgba(56, 189, 248, 0.08);
}

.contact-meta-rail {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   11. SITE FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 4rem 0;
  position: relative;
  z-index: 2;
}

.footer-inner-rail {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-identity-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
}

.footer-identity-sub {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.footer-links-group {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
}

.footer-links-group a:hover {
  color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   12. PROJECT DETAIL MODAL / DRAWER V2
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(2, 2, 4, 0.9);
  backdrop-filter: blur(24px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--trans-smooth), visibility var(--trans-smooth);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-window {
  background: #08080e;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 920px;
  max-height: 88vh;
  overflow-y: auto;
  padding: 4rem;
  position: relative;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.85);
  transform: scale(0.96);
  transition: transform var(--trans-smooth);
}

@media (max-width: 768px) {
  .modal-window {
    padding: 2.25rem 1.5rem;
  }
}

.modal-overlay.open .modal-window {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 2.25rem;
  right: 2.25rem;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: all var(--trans-instant);
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #ffffff;
}

.modal-top-chip-rail {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.35rem;
}

.modal-index-num {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--accent-sapphire);
}

.modal-title-display {
  font-size: clamp(2.2rem, 4.5vw, 3.2rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  letter-spacing: -0.03em;
}

.modal-subtitle-lead {
  font-size: 1.15rem;
  color: var(--accent-sapphire);
  margin-bottom: 2.75rem;
}

.modal-block-wrap {
  margin-bottom: 2.5rem;
}

.modal-block-label {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}

.modal-body-copy {
  font-size: 1.02rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

.modal-tech-pills-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.modal-tech-pill-chip {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

/* Architecture Flow in Modal */
.arch-flow {
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
  padding: 1.75rem;
  border-radius: var(--radius-md);
  background: #040407;
  border: 1px solid var(--border-subtle);
}

.arch-step {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.arch-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--accent-sapphire);
}

.arch-val {
  font-size: 0.96rem;
  color: var(--text-primary);
}

.arch-arrow {
  color: var(--text-muted);
  font-size: 1.1rem;
}

/* Modal Metrics Grid */
.modal-metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

@media (max-width: 550px) {
  .modal-metrics-grid {
    grid-template-columns: 1fr;
  }
}

.modal-metric-card {
  padding: 1.35rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
}

.metric-val {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-primary);
  display: block;
}

.metric-lbl {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   13. CUSTOM CURSOR
   -------------------------------------------------------------------------- */
.cursor-dot {
  position: fixed;
  top: 0;
  left: 0;
  width: 6px;
  height: 6px;
  background: #ffffff;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, background-color 0.2s;
}

.cursor-follower {
  position: fixed;
  top: 0;
  left: 0;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: width 0.25s ease-out, height 0.25s ease-out, border-color 0.25s, background-color 0.25s;
}

.cursor-follower.is-hovered {
  width: 52px;
  height: 52px;
  border-color: var(--accent-sapphire);
  background: rgba(56, 189, 248, 0.08);
}

.cursor-follower.is-card-hover {
  width: 80px;
  height: 80px;
  border-color: var(--accent-sapphire);
  background: rgba(56, 189, 248, 0.12);
  backdrop-filter: blur(6px);
}

.cursor-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-primary);
  pointer-events: none;
}