/* ============================================================
   VyaparOS — Section-Specific Styles & Components
   sections.css
   ============================================================ */

/* ════════════════════════════════════════════════════════════
   1. NAVIGATION
   ════════════════════════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0;
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 20px rgba(10, 29, 57, 0.08);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding-inline: var(--space-6);
  max-width: var(--container-xl);
  margin-inline: auto;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius);
  transition: all var(--transition-fast);
}
.nav-link:hover, .nav-link.active-nav {
  color: var(--primary);
  background: var(--blue-50);
}
.nav-actions { display: flex; align-items: center; gap: var(--space-3); }
.nav-cta {
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius);
  background: var(--primary);
  color: white;
  transition: all var(--transition);
  box-shadow: 0 2px 10px rgba(13, 110, 253, 0.3);
}
.nav-cta:hover { background: var(--primary-dark); transform: translateY(-1px); }

/* Mobile hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--text-primary);
  transition: all var(--transition);
}
.nav-hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile menu */
.nav-mobile {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: white;
  border-bottom: 1px solid var(--border);
  padding: var(--space-4) var(--space-6);
  box-shadow: var(--shadow-lg);
  flex-direction: column;
  gap: var(--space-2);
  z-index: 999;
}
.nav-mobile.open { display: flex; }

@media (max-width: 1024px) {
  .nav-links, .nav-actions { display: none; }
  .nav-hamburger { display: flex; }
}

/* ════════════════════════════════════════════════════════════
   2. HERO SECTION
   ════════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  padding-top: calc(72px + var(--space-12));
  padding-bottom: var(--space-16);
  background: radial-gradient(circle at 50% -20%, rgba(13, 110, 253, 0.08) 0%, transparent 70%), var(--bg-base);
  overflow: hidden;
}
.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  max-width: var(--container-xl);
  margin-inline: auto;
  padding-inline: var(--space-6);
}
.hero-text {
  text-align: left;
  max-width: 860px;
}
.hero-pretag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--blue-50);
  border: 1px solid var(--blue-200);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-4);
  margin-bottom: var(--space-6);
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5.5vw, 4.25rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1.1;
  max-width: 920px;
  margin-bottom: var(--space-6);
}
.hero-title .blue-word {
  color: var(--primary);
}
.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 720px;
  margin-bottom: var(--space-8);
}
.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}

.section-header {
  text-align: left;
  max-width: 760px;
  margin-inline: 0;
  margin-bottom: var(--space-10);
}
.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}
.section-header p.lead {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ════════════════════════════════════════════════════════════
   3. 7-NODE CONNECTED ECOSYSTEM FLOW
   ════════════════════════════════════════════════════════════ */
.sc-flow-row, .supply-chain-row {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: var(--space-2);
  width: 100%;
  position: relative;
  z-index: 2;
  margin: var(--space-4) 0 var(--space-6);
  flex-wrap: nowrap;
}
.sc-node {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  text-align: center;
  gap: var(--space-2);
  flex: 1;
  min-width: 60px;
  cursor: pointer;
  position: relative;
}
.sc-node-icon {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-xl);
  background: var(--blue-50);
  border: 1.5px solid var(--blue-200);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  transition: all var(--transition);
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-sm);
}
.sc-node-icon svg {
  stroke: var(--primary) !important;
  transition: all var(--transition);
}
.sc-node:hover .sc-node-icon {
  border-color: var(--primary);
  box-shadow: 0 0 20px rgba(13, 110, 253, 0.4);
  transform: translateY(-4px);
  background: var(--primary);
  color: #ffffff;
}
.sc-node:hover .sc-node-icon svg {
  stroke: #ffffff !important;
}
.sc-node.active .sc-node-icon {
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.35);
  background: var(--amber-50);
  color: var(--accent);
}
.sc-node.active .sc-node-icon svg {
  stroke: var(--accent) !important;
}
.sc-node-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-primary);
  text-align: center;
  transition: color var(--transition);
  white-space: nowrap;
}
.sc-node:hover .sc-node-label { color: var(--primary); }

.sc-connector {
  flex: 1;
  height: 2px;
  position: relative;
  margin-top: -24px;
  min-width: 12px;
  background: var(--border);
  overflow: visible;
}
.sc-connector-line {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue-200), var(--primary), var(--blue-200));
  opacity: 0.6;
}
.sc-particle {
  position: absolute;
  top: -3px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 8px rgba(13, 110, 253, 0.9);
  animation: flow-particle 2.5s ease-in-out infinite;
}
.sc-particle.amber {
  background: var(--accent);
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.9);
  animation-delay: 1.2s;
}

@media (max-width: 768px) {
  .sc-flow-row, .supply-chain-row {
    flex-wrap: wrap !important;
    gap: var(--space-4);
    justify-content: center !important;
  }
  .sc-connector { display: none; }
}

/* ════════════════════════════════════════════════════════════
   4. PROBLEM & VISION GRIDS (Distinct Card Animations)
   ════════════════════════════════════════════════════════════ */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-10);
  width: 100%;
}
.problem-card {
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease, border-color 0.4s ease;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.problem-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3.5px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity 0.35s ease;
}
.problem-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: 0 24px 48px rgba(10, 29, 57, 0.12), 0 4px 12px rgba(13, 110, 253, 0.06);
  border-color: rgba(13, 110, 253, 0.4);
}
.problem-card:hover::before {
  opacity: 1;
}

.problem-card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: #F1F5F9;
  margin-bottom: var(--space-5);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}
.problem-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.problem-card:hover .problem-card-img {
  transform: scale(1.08);
}
.problem-card-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  color: white;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}
.problem-card:hover .problem-card-tag {
  background: var(--primary);
  border-color: var(--primary-light);
}

.problem-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
}
.problem-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}
.problem-card p {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-4);
  flex: 1;
}
.problem-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  border-top: 1px solid var(--border);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
}
.problem-card-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  font-weight: 700;
  color: #DC2626;
  background: #FEE2E2;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.vision-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-10);
  width: 100%;
}
.vision-pillar {
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  box-shadow: var(--shadow-sm);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}
.vision-pillar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity 0.3s ease;
}
.vision-pillar:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(13, 110, 253, 0.1);
  border-color: var(--primary-light);
}
.vision-pillar:hover::before { opacity: 1; }
.vision-pillar-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background: var(--blue-50);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.35s ease;
}
.vision-pillar:hover .vision-pillar-icon {
  transform: scale(1.1) rotate(4deg);
  box-shadow: 0 0 16px rgba(13, 110, 253, 0.35);
}
.vision-pillar-icon.amber {
  background: var(--amber-50);
  color: var(--accent);
}
.vision-pillar:hover .vision-pillar-icon.amber {
  box-shadow: 0 0 16px rgba(245, 158, 11, 0.35);
}
.vision-pillar-text h4 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}
.vision-pillar-text p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 900px) {
  .problem-grid, .vision-pillars { grid-template-columns: 1fr; }
}

/* ════════════════════════════════════════════════════════════
   5. MODULES GRID & CLOSED-LOOP FLOW (Distinct Card Animations)
   ════════════════════════════════════════════════════════════ */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-10);
  width: 100%;
}
.module-card {
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}
.module-card:hover {
  transform: translateY(-7px) scale(1.01);
  box-shadow: 0 20px 40px rgba(13, 110, 253, 0.12);
  border-color: var(--primary);
}
.module-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}
.module-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}
.module-card:hover .module-card-icon {
  transform: scale(1.15) translateY(-2px);
}
.module-card-icon.blue { background: var(--blue-50); color: var(--primary); }
.module-card:hover .module-card-icon.blue { box-shadow: 0 6px 16px rgba(13, 110, 253, 0.3); }
.module-card-icon.amber { background: var(--amber-50); color: var(--accent); }
.module-card:hover .module-card-icon.amber { box-shadow: 0 6px 16px rgba(245, 158, 11, 0.3); }
.module-card-icon.green { background: #D1FAE5; color: #065F46; }
.module-card:hover .module-card-icon.green { box-shadow: 0 6px 16px rgba(16, 185, 129, 0.3); }

.module-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}
.module-card p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

.module-feature {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--blue-50);
  border-radius: var(--radius);
  transition: all 0.25s ease;
}
.module-feature:hover {
  transform: translateX(4px);
  background: var(--blue-100);
}
.module-feature::before { content: '✓'; color: var(--primary); font-weight: 800; }
.module-feature.amber { background: var(--amber-50); }
.module-feature.amber:hover { background: var(--amber-100); }
.module-feature.amber::before { color: var(--accent); }
.module-feature.green { background: #ECFDF5; }
.module-feature.green:hover { background: #D1FAE5; }
.module-feature.green::before { color: #10B981; }

.closed-loop-flow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  width: 100%;
}
.loop-step-card {
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}
.loop-step-card:hover {
  transform: translateY(-4px) scale(1.015);
  box-shadow: 0 14px 28px rgba(13, 110, 253, 0.1);
  border-color: var(--primary);
}
.loop-step-num {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: var(--space-2);
  display: inline-block;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--blue-50);
  transition: all 0.25s ease;
}
.loop-step-card:hover .loop-step-num {
  background: var(--primary);
  color: white;
}
.loop-step-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: 8px;
}
.loop-step-desc {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  line-height: 1.5;
}

@media (max-width: 900px) {
  .modules-grid, .closed-loop-flow { grid-template-columns: 1fr; }
}

/* ════════════════════════════════════════════════════════════
   6. TECHNOLOGY LAYERS & ROADMAP TIMELINE (Distinct Animations)
   ════════════════════════════════════════════════════════════ */
.tech-layers {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-8);
  width: 100%;
}
.tech-layer {
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--space-6);
  align-items: center;
  box-shadow: var(--shadow-xs);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.tech-layer:hover {
  transform: translateX(8px);
  box-shadow: 0 12px 30px rgba(10, 29, 57, 0.09);
  border-color: var(--primary);
}
.tech-layer-name {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-primary);
}
.tech-layer-sub {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: 2px;
}
.tech-layer-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.tech-chip {
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  transition: all 0.25s ease;
}
.tech-layer:hover .tech-chip {
  background: var(--blue-50);
  color: var(--primary);
  border-color: var(--blue-200);
}
.tech-chip:hover {
  background: var(--primary) !important;
  color: white !important;
  transform: translateY(-2px);
}

.status-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-8);
  width: 100%;
}
.status-card {
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  box-shadow: var(--shadow-xs);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.status-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 32px rgba(10, 29, 57, 0.09);
}

/* ════════════════════════════════════════════════════════════
   8-CARD ENTERPRISE ARCHITECTURE BOARD (4x2 Live Coded System)
   ════════════════════════════════════════════════════════════ */
.arch-board {
  width: 100%;
  margin-top: var(--space-8);
}
.arch-system-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-3) var(--space-6);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-xs);
  flex-wrap: wrap;
  gap: var(--space-3);
}
.arch-status-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.arch-controls {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.arch-ctrl-btn {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--primary);
  background: var(--blue-50);
  border: 1px solid var(--blue-200);
  border-radius: var(--radius-full);
  padding: 4px 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}
.arch-ctrl-btn:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  transform: translateY(-1px);
}
.arch-sys-online-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  color: #059669;
  background: #ECFDF5;
  border: 1px solid #A7F3D0;
  border-radius: var(--radius-full);
  padding: 4px 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.arch-grid-4x2 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  width: 100%;
}
@media (max-width: 1100px) {
  .arch-grid-4x2 {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .arch-grid-4x2 {
    grid-template-columns: 1fr;
  }
}

.arch-card {
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: var(--space-5);
  box-shadow: var(--shadow-xs);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease, border-color 0.4s ease;
}
.arch-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity 0.3s ease;
}
.arch-card:hover {
  transform: translateY(-8px) scale(1.015);
  box-shadow: 0 20px 40px rgba(10, 29, 57, 0.12), 0 4px 12px rgba(13, 110, 253, 0.06);
  border-color: rgba(13, 110, 253, 0.4);
}
.arch-card:hover::before {
  opacity: 1;
}

.arch-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}
.arch-card-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 800;
  color: var(--text-muted);
  background: var(--bg-subtle);
  padding: 3px 8px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}
.arch-card:hover .arch-card-num {
  background: var(--blue-50);
  color: var(--primary);
  border-color: var(--blue-200);
}

.arch-badge {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.arch-badge.designed {
  background: #EFF6FF;
  color: #2563EB;
  border: 1px solid #BFDBFE;
}
.arch-badge.designed .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #2563EB;
  animation: pulse-dot 2s infinite;
}
.arch-badge.built {
  background: #ECFDF5;
  color: #059669;
  border: 1px solid #A7F3D0;
}
.arch-badge.active {
  background: #FFFBEB;
  color: #D97706;
  border: 1px solid #FDE68A;
}
.arch-badge.active .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #D97706;
  animation: pulse-ring-amber 2s infinite;
}
.arch-badge.horizon {
  background: #F5F3FF;
  color: #7C3AED;
  border: 1px solid #DDD6FE;
}

.arch-media {
  width: 100%;
  height: 140px;
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.02);
}

.arch-body {
  display: flex;
  flex-direction: column;
  flex: 1;
}
.arch-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.35;
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}
.arch-desc {
  font-size: 11.5px;
  color: var(--text-secondary);
  line-height: 1.55;
  flex: 1;
}

/* ════════════════════════════════════════════════════════════
   3. SOLUTION LAYER CARDS & WEDGE CARDS (Distinct Animations)
   ════════════════════════════════════════════════════════════ */
.solution-layer-card {
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}
.solution-layer-card.layer-blue { border-top: 4px solid var(--primary); }
.solution-layer-card.layer-blue:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: 0 20px 40px rgba(13, 110, 253, 0.14);
  border-color: var(--primary);
}
.solution-layer-card.layer-amber { border-top: 4px solid var(--accent); }
.solution-layer-card.layer-amber:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: 0 20px 40px rgba(245, 158, 11, 0.14);
  border-color: var(--accent);
}
.solution-layer-card.layer-green { border-top: 4px solid #10B981; }
.solution-layer-card.layer-green:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: 0 20px 40px rgba(16, 185, 129, 0.14);
  border-color: #10B981;
}

.wedge-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-10);
  width: 100%;
}
.wedge-card {
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}
.wedge-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 32px rgba(10, 29, 57, 0.08);
  border-color: var(--primary);
}

@media (max-width: 900px) {
  .wedge-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .wedge-grid { grid-template-columns: 1fr; }
}
.status-card.status-active {
  animation: pulse-ring-amber 3s infinite;
}
.status-badge {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  display: inline-block;
  margin-bottom: var(--space-3);
}
.status-badge.designed { background: var(--blue-50); color: var(--primary); }
.status-badge.built    { background: #D1FAE5; color: #065F46; }
.status-badge.progress { background: #FEF3C7; color: #92400E; }
.status-badge.next     { background: var(--blue-100); color: var(--primary-dark); }
.status-card-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}
.status-card-desc {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  line-height: 1.5;
}

@media (max-width: 1024px) {
  .tech-layer { grid-template-columns: 1fr; }
  .status-timeline { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .status-timeline { grid-template-columns: 1fr; }
}

/* ════════════════════════════════════════════════════════════
   7. INVESTOR PATH, PILOT FORM & FINAL CTA
   ════════════════════════════════════════════════════════════ */
.investor-path {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin: var(--space-8) 0;
  flex-wrap: wrap;
}
.path-node {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-4) var(--space-5);
  text-align: center;
  flex: 1;
  min-width: 120px;
  box-shadow: var(--shadow-xs);
}
.path-node-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  background: var(--blue-50);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-2);
}
.path-node-title {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--text-primary);
}
.path-connector-arrow {
  color: var(--text-muted);
  font-weight: 700;
  font-size: 1.25rem;
}

.pilot-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
  margin-top: var(--space-8);
}
.pilot-form-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-xl);
}
.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-3);
}
.form-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-primary);
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-base);
  font-size: var(--text-xs);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.15);
  background: white;
}
.form-textarea { min-height: 72px; resize: vertical; }

.founder-inner {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: var(--space-12);
  align-items: center;
}
.founder-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.founder-name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 2px;
}
.founder-role {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--primary);
}
.founder-social {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  transition: all var(--transition-fast);
}
.founder-social:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: var(--blue-50);
  transform: translateY(-1px);
}
.founder-social svg {
  width: 14px;
  height: 14px;
  stroke: var(--primary);
}

.footer-contact-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-xs);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.8);
  padding: 5px 12px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: all var(--transition-fast);
}
.footer-contact-link:hover {
  color: white;
  background: rgba(13, 110, 253, 0.25);
  border-color: var(--primary-light);
  transform: translateY(-1px);
}
.footer-contact-link svg {
  width: 13px;
  height: 13px;
  stroke: #93C5FD;
}

.final-cta-section {
  background: #081E3B;
  color: white;
  padding-block: var(--space-20);
}
.final-cta-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
}
.final-cta-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-6);
}
.final-cta-card h4 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  color: white;
  margin-bottom: var(--space-2);
}
.final-cta-card p {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

@media (max-width: 900px) {
  .pilot-grid, .founder-inner, .final-cta-grid { grid-template-columns: 1fr; }
}

/* ════════════════════════════════════════════════════════════
   8. FOOTER & MODAL DIALOGS
   ════════════════════════════════════════════════════════════ */
.footer {
  background: #050F1F;
  color: white;
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  width: 100%;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
  width: 100%;
}
.footer-brand-logo {
  display: inline-block;
  margin-bottom: var(--space-3);
  text-decoration: none;
}
.footer-col h5 {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: var(--space-4);
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer-link {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-fast);
  text-decoration: none;
}
.footer-link:hover { color: #60A5FA; }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.4);
}
.footer-stage {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(245, 158, 11, 0.15);
  color: #FDE68A;
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
}
.footer-stage .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #F59E0B;
  animation: pulse-dot 2s infinite;
}

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 29, 57, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: var(--space-4);
}
.modal-overlay.open { display: flex; animation: fade-in 0.25s ease; }
.modal-window {
  background: var(--bg-white);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  width: 100%;
  max-width: 540px;
  position: relative;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  max-height: 90vh;
  overflow-y: auto;
}
.modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
}
.modal-close:hover { color: var(--text-primary); }

.badge {
  display: inline-flex;
  align-items: center;
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
}
.badge-blue { background: var(--blue-50); color: var(--primary); border: 1px solid var(--blue-100); }
.badge-amber { background: var(--amber-50); color: var(--accent); border: 1px solid var(--amber-100); }
.badge-green { background: #D1FAE5; color: #065F46; border: 1px solid #A7F3D0; }

/* ════════════════════════════════════════════════════════════
   4 DISTINCT DIAGRAM SHOWCASE VISUAL ENGINES
   ════════════════════════════════════════════════════════════ */
.diagram-showcase-card {
  position: relative;
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  overflow: hidden;
  width: 100%;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease, border-color 0.4s ease;
}

.diagram-showcase-card:hover {
  transform: translateY(-6px);
}

/* ════ 1. CARD 1 (6-steps): FRACTURE ALERT & HORIZONTAL RADAR ════ */
.diagram-showcase-card.theme-problem {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.05) 0%, rgba(245, 158, 11, 0.06) 40%, rgba(255, 255, 255, 0.96) 100%);
  border: 1.5px solid rgba(239, 68, 68, 0.3);
  box-shadow: 0 16px 40px -10px rgba(239, 68, 68, 0.1);
}
.diagram-showcase-card.theme-problem:hover {
  border-color: rgba(239, 68, 68, 0.6);
  box-shadow: 0 24px 60px -12px rgba(239, 68, 68, 0.2);
}

/* Diagonal warning grid overlay */
.problem-grid-overlay {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(45deg, rgba(239, 68, 68, 0.025) 0, rgba(239, 68, 68, 0.025) 12px, transparent 12px, transparent 24px);
  pointer-events: none;
  animation: alert-grid-flicker 4s ease-in-out infinite;
}

/* Breathing Alert Halo */
.problem-halo {
  position: absolute;
  top: -80px;
  right: -80px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(239, 68, 68, 0.2) 0%, rgba(245, 158, 11, 0.15) 50%, transparent 70%);
  pointer-events: none;
  animation: warning-halo-breathe 6s ease-in-out infinite;
  filter: blur(40px);
}

/* Dual-sided Horizontal Radar Beam */
.problem-radar-beam {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, transparent 0%, rgba(239, 68, 68, 0.85) 50%, transparent 100%);
  box-shadow: 0 0 14px rgba(239, 68, 68, 0.8);
  pointer-events: none;
  z-index: 4;
  animation: problem-radar-sweep 4.5s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.warning-beacon-dot {
  position: relative;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #EF4444;
  display: inline-block;
  animation: warning-beacon-ping 1.8s infinite;
}


/* ════ 2. CARD 2 (9.1-steps): CYBER BLUEPRINT GRID & MATRIX STREAMS ════ */
.diagram-showcase-card.theme-modules {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.07) 0%, rgba(37, 99, 235, 0.06) 50%, rgba(248, 250, 252, 0.95) 100%);
  border: 1.5px solid rgba(14, 165, 233, 0.35);
  box-shadow: 0 16px 40px -10px rgba(14, 165, 233, 0.1);
}
.diagram-showcase-card.theme-modules:hover {
  border-color: rgba(14, 165, 233, 0.7);
  box-shadow: 0 24px 60px -12px rgba(14, 165, 233, 0.22);
}

/* Blueprint dot matrix grid */
.cyber-blueprint-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(#0284c7 1.2px, transparent 1.2px);
  background-size: 24px 24px;
  opacity: 0.18;
  pointer-events: none;
  animation: cyber-grid-scroll 25s linear infinite;
}

/* Matrix Column Data Streams */
.matrix-stream-col {
  position: absolute;
  top: 0;
  width: 2px;
  height: 60px;
  background: linear-gradient(180deg, transparent 0%, #0284C7 80%, #38BDF8 100%);
  box-shadow: 0 0 8px #0284C7;
  pointer-events: none;
  z-index: 3;
}
.matrix-stream-col.c1 { left: 20%; animation: matrix-rain-stream 3.5s linear infinite; animation-delay: 0.5s; }
.matrix-stream-col.c2 { left: 55%; animation: matrix-rain-stream 4.2s linear infinite; animation-delay: 1.8s; }
.matrix-stream-col.c3 { left: 85%; animation: matrix-rain-stream 3.8s linear infinite; animation-delay: 2.7s; }

/* 4 Cyber Corner Docking Brackets */
.cyber-dock-corner {
  position: absolute;
  width: 14px;
  height: 14px;
  border: 2px solid #0284C7;
  pointer-events: none;
  z-index: 4;
  animation: corner-dock-pulse 3s ease-in-out infinite;
}
.cyber-dock-corner.tl { top: 12px; left: 12px; border-right: none; border-bottom: none; }
.cyber-dock-corner.tr { top: 12px; right: 12px; border-left: none; border-bottom: none; }
.cyber-dock-corner.bl { bottom: 12px; left: 12px; border-right: none; border-top: none; }
.cyber-dock-corner.br { bottom: 12px; right: 12px; border-left: none; border-top: none; }


/* ════ 3. CARD 3 (9-steps): CONCENTRIC TELEMETRY WAVES & PERIMETER TRACER ════ */
.diagram-showcase-card.theme-ecosystem {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.08) 0%, rgba(5, 150, 105, 0.05) 50%, rgba(254, 243, 199, 0.35) 100%);
  border: 1.5px solid rgba(16, 185, 129, 0.35);
  box-shadow: 0 16px 40px -10px rgba(16, 185, 129, 0.12);
}
.diagram-showcase-card.theme-ecosystem:hover {
  border-color: rgba(16, 185, 129, 0.7);
  box-shadow: 0 24px 60px -12px rgba(16, 185, 129, 0.25);
}

/* Concentric Ripple Waves */
.ripple-wave-circle {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  border: 1.5px solid rgba(16, 185, 129, 0.5);
  pointer-events: none;
  transform: translate(-50%, -50%);
}
.ripple-wave-circle.w1 {
  width: 260px;
  height: 260px;
  animation: ripple-wave-1 5s cubic-bezier(0.1, 0.8, 0.3, 1) infinite;
}
.ripple-wave-circle.w2 {
  width: 380px;
  height: 380px;
  animation: ripple-wave-2 5s cubic-bezier(0.1, 0.8, 0.3, 1) infinite;
  animation-delay: 2.2s;
}

/* Closed-Loop Electric Perimeter Tracer */
.tracer-perimeter-loop {
  position: absolute;
  background: linear-gradient(90deg, #10B981, #34D399);
  box-shadow: 0 0 10px #10B981;
  pointer-events: none;
  z-index: 4;
  animation: tracer-loop 6s linear infinite;
}


/* ════ 4. CARD 4 (8-steps): CELESTIAL HORIZON NEBULA & PRISM SHIMMER ════ */
.diagram-showcase-card.theme-roadmap {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.09) 0%, rgba(192, 132, 252, 0.06) 50%, rgba(254, 249, 195, 0.4) 100%);
  border: 1.5px solid rgba(124, 58, 237, 0.35);
  box-shadow: 0 16px 40px -10px rgba(124, 58, 237, 0.12);
}
.diagram-showcase-card.theme-roadmap:hover {
  border-color: rgba(124, 58, 237, 0.7);
  box-shadow: 0 24px 60px -12px rgba(124, 58, 237, 0.25);
}

/* Breathing Celestial Nebula Cloud */
.nebula-cloud {
  position: absolute;
  top: -60px;
  left: 20%;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.22) 0%, rgba(245, 158, 11, 0.16) 45%, transparent 70%);
  filter: blur(50px);
  pointer-events: none;
  animation: nebula-breathing 10s ease-in-out infinite;
}

/* Twinkling Starlight Particles */
.star-particle {
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #F59E0B;
  box-shadow: 0 0 8px #F59E0B;
  pointer-events: none;
  z-index: 2;
}
.star-particle.s1 { top: 25%; left: 15%; animation: star-particle-twinkle 3s ease-in-out infinite; }
.star-particle.s2 { top: 60%; right: 18%; animation: star-particle-twinkle 3.8s ease-in-out infinite; animation-delay: 1.2s; }
.star-particle.s3 { bottom: 20%; left: 40%; animation: star-particle-twinkle 4.2s ease-in-out infinite; animation-delay: 2.1s; }

/* 45-Degree Diagonal Prism Light Shimmer */
.prism-diagonal-line {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(135deg, transparent 40%, rgba(245, 158, 11, 0.3) 48%, rgba(255, 255, 255, 0.8) 50%, rgba(124, 58, 237, 0.3) 52%, transparent 60%);
  pointer-events: none;
  z-index: 4;
  animation: prism-diagonal-sweep 6s ease-in-out infinite;
}


/* ════ COMMON HEADER & CANVAS COMPONENTS ════ */
.diagram-showcase-header {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: var(--radius-xl);
  padding: var(--space-3) var(--space-5);
  margin-bottom: var(--space-5);
  box-shadow: 0 4px 12px rgba(10, 29, 57, 0.04);
}

.diagram-header-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.diagram-header-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  border-radius: var(--radius-full);
  padding: 3px 10px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.theme-problem .diagram-header-badge { background: #FEF2F2; color: #991B1B; border: 1px solid #FECACA; }
.theme-modules .diagram-header-badge { background: #F0F9FF; color: #0369A1; border: 1px solid #BAE6FD; }
.theme-ecosystem .diagram-header-badge { background: #ECFDF5; color: #065F46; border: 1px solid #A7F3D0; }
.theme-roadmap .diagram-header-badge { background: #FAF5FF; color: #6D28D9; border: 1px solid #DDD6FE; }

.diagram-showcase-canvas {
  position: relative;
  z-index: 3;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.02), 0 8px 24px rgba(10, 29, 57, 0.04);
  overflow: hidden;
}

.diagram-img {
  width: 100%;
  height: auto;
  max-height: 620px;
  object-fit: contain;
  border-radius: var(--radius-lg);
  display: block;
  margin: 0 auto;
  transition: transform 0.3s ease;
}

.diagram-showcase-card:hover .diagram-img {
  transform: scale(1.006);
}