/* FluxCybers ExecFlow — Main Stylesheet */

/* ===== CSS Variables ===== */
:root {
  --bg-dark: #0a0e1a;
  --bg-card: #111827;
  --bg-section: #0f1629;
  --accent: #00d4ff;
  --accent-dark: #0099cc;
  --accent-green: #00ff88;
  --accent-orange: #ff6b35;
  --text-primary: #ffffff;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: rgba(0, 212, 255, 0.15);
  --border-card: rgba(255, 255, 255, 0.08);
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --radius: 12px;
  --shadow: 0 4px 32px rgba(0, 0, 0, 0.4);
  --container: 1200px;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ===== Typography ===== */
h1, h2, h3, h4, h5 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h3 { font-size: 1.25rem; }
p { color: var(--text-secondary); }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 24px;
  background: rgba(10, 14, 26, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-card);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
}
.nav-logo:hover { text-decoration: none; }
.nav-logo-icon {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--accent), #0066ff);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
  text-decoration: none;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-dropdown { position: relative; }
.nav-dropdown > a { cursor: pointer; }
.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: rgba(10, 14, 26, 0.98);
  border: 1px solid var(--border-card);
  border-radius: 12px;
  padding: 12px;
  min-width: 240px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
  z-index: 200;
  flex-direction: column;
  gap: 2px;
}
.nav-dropdown:hover .nav-dropdown-menu { display: flex; }
.nav-dropdown-menu a {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}
.nav-dropdown-menu a:hover { background: rgba(0,212,255,0.08); color: var(--text-primary); text-decoration: none; }
.nav-cta {
  padding: 8px 20px;
  background: var(--accent) !important;
  color: var(--bg-dark) !important;
  border-radius: 8px;
  font-weight: 600 !important;
  transition: opacity 0.2s !important;
}
.nav-cta:hover { opacity: 0.85; text-decoration: none !important; }

/* ===== Hero ===== */
.hero {
  padding: 140px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(0,212,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(0,212,255,0.1);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 24px;
}
.hero-badge span { color: var(--text-muted); }
.badge-hero {
  display: inline-block;
  background: linear-gradient(135deg, #00d4ff, #0066ff);
  color: #0a0e1a;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: 4px;
  vertical-align: middle;
  margin-left: 6px;
}
.badge-new {
  display: inline-block;
  background: rgba(0, 212, 255, 0.15);
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: 4px;
  vertical-align: middle;
  margin-left: 6px;
}
.hero h1 { margin-bottom: 20px; }
.hero h1 .highlight {
  background: linear-gradient(135deg, var(--accent), #0099ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 40px;
}
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.2s;
  text-decoration: none;
  border: none;
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--bg-dark);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(0,212,255,0.25); text-decoration: none; }
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
}
.btn-outline:hover { background: rgba(255,255,255,0.05); text-decoration: none; }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 800px;
  margin: 64px auto 0;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}
.stat-value { font-size: 2rem; font-weight: 800; color: var(--accent); }
.stat-label { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }

/* ===== Dashboard Preview ===== */
.dashboard-section {
  padding: 40px 0 80px;
}
.dashboard-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.dashboard-header {
  padding: 12px 20px;
  background: #0d1117;
  border-bottom: 1px solid var(--border-card);
  display: flex;
  align-items: center;
  gap: 8px;
}
.dashboard-dots { display: flex; gap: 6px; }
.dashboard-dot { width: 12px; height: 12px; border-radius: 50%; }
.dot-red { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green { background: #28c840; }
.dashboard-title { font-size: 0.8rem; color: var(--text-muted); margin-left: 8px; }
.dashboard-body { padding: 24px; display: grid; grid-template-columns: 260px 1fr; gap: 24px; }
.dashboard-sidebar { border-right: 1px solid var(--border-card); padding-right: 24px; }
.server-list { display: flex; flex-direction: column; gap: 8px; }
.server-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  background: var(--bg-section);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
}
.server-item.active { border-color: var(--accent); background: rgba(0,212,255,0.05); }
.server-indicator { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.status-healthy { background: var(--accent-green); }
.status-deploying { background: var(--accent-orange); animation: pulse 1.5s infinite; }
.status-alert { background: #ff4444; }
.status-unknown { background: var(--text-muted); }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
.server-name { font-size: 0.85rem; font-weight: 500; flex: 1; }
.server-badge { font-size: 0.7rem; padding: 2px 8px; border-radius: 4px; background: rgba(0,212,255,0.1); color: var(--accent); }
.server-badge.alrt { background: rgba(255,68,68,0.1); color: #ff4444; }
.dashboard-main { display: flex; flex-direction: column; gap: 16px; }
.dashboard-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.metric-card {
  background: var(--bg-section);
  border: 1px solid var(--border-card);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
}
.metric-label { font-size: 0.75rem; color: var(--text-muted); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.05em; }
.metric-value { font-size: 1.5rem; font-weight: 700; }

/* ===== Sections ===== */
.section { padding: 80px 0; }
.section-dark { background: var(--bg-section); }
.section-header { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-header h2 { margin-bottom: 16px; }
.section-header p { font-size: 1.1rem; }

/* ===== Features Grid ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.2s, transform 0.2s;
}
.feature-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.feature-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
}
.feature-card h3 { margin-bottom: 8px; font-size: 1.1rem; }
.feature-card p { font-size: 0.9rem; line-height: 1.6; }
.icon-blue { background: rgba(0,212,255,0.1); }
.icon-green { background: rgba(0,255,136,0.1); }
.icon-purple { background: rgba(139,92,246,0.1); }
.icon-orange { background: rgba(255,107,53,0.1); }

/* ===== Product Categories ===== */
.product-category { margin-bottom: 48px; }
.category-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-card);
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 10px;
  padding: 20px;
  text-decoration: none;
  display: block;
  transition: border-color 0.2s;
}
.product-card:hover { border-color: var(--accent); text-decoration: none; }
.product-card h4 {
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.product-card p { font-size: 0.8rem; color: var(--text-muted); }

/* ===== Explainers Carousel ===== */
.explainer-section { padding: 80px 0; }
.explainer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
}
.explainer-nav { display: flex; gap: 8px; }
.explainer-btn {
  width: 40px; height: 40px;
  border-radius: 8px;
  border: 1px solid var(--border-card);
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  transition: background 0.2s;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
}
.explainer-btn:hover { background: rgba(255,255,255,0.08); }
.explainer-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 16px;
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.explainer-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 16px;
}
.explainer-card h2 { margin-bottom: 16px; }
.explainer-card p { color: var(--text-secondary); font-size: 1rem; }
.explainer-list { margin-top: 24px; display: flex; flex-direction: column; gap: 12px; }
.explainer-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}
.check-icon { color: var(--accent-green); flex-shrink: 0; margin-top: 2px; }

/* ===== Hash Chain ===== */
.hash-chain-section {
  padding: 80px 0;
  background: var(--bg-section);
}
.hash-chain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 40px;
}
.hash-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 28px;
}
.hash-card h3 { font-size: 1rem; margin-bottom: 12px; display: flex; align-items: center; gap: 10px; }
.hash-card p { font-size: 0.9rem; margin-bottom: 16px; }
.hash-code {
  background: #0d1117;
  border: 1px solid var(--border-card);
  border-radius: 8px;
  padding: 12px;
  font-family: 'Courier New', monospace;
  font-size: 0.8rem;
  color: var(--accent);
  overflow-x: auto;
}
.hash-code .hash-val { color: var(--accent-green); }

/* ===== Pricing ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
}
.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 16px;
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
}
.pricing-card.popular {
  border-color: var(--accent);
  box-shadow: 0 0 40px rgba(0,212,255,0.1);
}
.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--bg-dark);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 100px;
  white-space: nowrap;
}
.pricing-name { font-size: 1.25rem; font-weight: 700; margin-bottom: 8px; }
.pricing-price { margin-bottom: 4px; }
.pricing-price .amount { font-size: 3rem; font-weight: 800; }
.pricing-price .per { font-size: 1rem; color: var(--text-muted); }
.pricing-desc { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 24px; }
.pricing-features { margin-bottom: 28px; flex: 1; }
.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
}
.pricing-features .check { color: var(--accent-green); flex-shrink: 0; }
.pricing-features .x { color: var(--text-muted); flex-shrink: 0; }
.pricing-cta { display: block; text-align: center; }

/* ===== Process ===== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  counter-reset: steps;
}
.process-card {
  text-align: center;
  counter-increment: steps;
  position: relative;
}
.process-card::before {
  content: counter(steps, decimal-leading-zero);
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 12px;
}
.process-icon {
  width: 64px; height: 64px;
  border-radius: 16px;
  background: rgba(0,212,255,0.08);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  margin: 0 auto 16px;
}
.process-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.process-card p { font-size: 0.85rem; }

/* ===== Security ===== */
.security-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.security-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.security-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: rgba(0,212,255,0.1);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: 18px;
}
.security-card h4 { font-size: 0.95rem; margin-bottom: 4px; }
.security-card p { font-size: 0.8rem; }

/* ===== Built For ===== */
.built-for-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.built-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 32px;
}
.built-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.built-card .subtitle { font-size: 0.85rem; color: var(--accent); margin-bottom: 16px; font-weight: 600; }
.built-card p { font-size: 0.9rem; margin-bottom: 16px; }
.built-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

/* ===== Integrations ===== */
.integrations-scroll {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 32px;
}
.integration-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ===== Testimonials ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 28px;
}
.testimonial-card blockquote {
  font-size: 1rem;
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.7;
  margin-bottom: 20px;
}
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.author-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--bg-dark);
}
.author-info { display: flex; flex-direction: column; }
.author-name { font-weight: 600; font-size: 0.9rem; }
.author-title { font-size: 0.8rem; color: var(--text-muted); }

/* ===== FAQ ===== */
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border-card);
  padding: 20px 0;
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  gap: 16px;
}
.faq-toggle { color: var(--accent); font-size: 1.2rem; flex-shrink: 0; transition: transform 0.2s; }
.faq-item.open .faq-toggle { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-item.open .faq-answer { max-height: 200px; }
.faq-answer p { font-size: 0.9rem; padding-top: 12px; line-height: 1.7; }

/* ===== Threat Feed ===== */
.threat-feed {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 24px;
  margin-top: 32px;
}
.threat-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.threat-header h4 { font-size: 0.95rem; }
.threat-count { font-size: 0.8rem; color: var(--text-muted); }
.threat-list { display: flex; flex-direction: column; gap: 8px; }
.threat-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  padding: 8px 12px;
  background: var(--bg-section);
  border-radius: 6px;
}
.threat-flag { font-size: 1.1rem; }
.threat-ip { font-family: 'Courier New', monospace; flex: 1; color: var(--text-secondary); }
.threat-level { padding: 2px 8px; border-radius: 4px; font-size: 0.7rem; font-weight: 700; }
.level-critical { background: rgba(255,68,68,0.15); color: #ff4444; }
.level-high { background: rgba(255,107,53,0.15); color: var(--accent-orange); }
.level-blocked { background: rgba(0,255,136,0.1); color: var(--accent-green); }

/* ===== Footer ===== */
.footer {
  background: #080c18;
  border-top: 1px solid var(--border-card);
  padding: 60px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand p { font-size: 0.85rem; color: var(--text-muted); margin-top: 12px; max-width: 280px; }
.footer-col h4 { font-size: 0.8rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 0.9rem; color: var(--text-secondary); text-decoration: none; transition: color 0.2s; }
.footer-col a:hover { color: var(--text-primary); }
.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-card);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.footer-badges { display: flex; gap: 16px; align-items: center; }
.footer-badge { padding: 4px 10px; background: var(--bg-card); border: 1px solid var(--border-card); border-radius: 6px; font-size: 0.75rem; }

/* ===== Platform Section ===== */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-top: 32px;
}
.platform-item {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 10px;
  padding: 20px 16px;
  text-align: center;
}
.platform-icon-sm {
  width: 36px; height: 36px;
  background: rgba(0,212,255,0.08);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 10px;
  font-size: 16px;
}
.platform-item span { font-size: 0.85rem; color: var(--text-secondary); }

/* ===== AI Engine ===== */
.ai-layers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}
.ai-layer-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.layer-num {
  width: 32px; height: 32px;
  background: rgba(0,212,255,0.1);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
}
.layer-card h4 { font-size: 0.95rem; margin-bottom: 4px; }
.layer-card p { font-size: 0.8rem; color: var(--text-muted); }

/* ===== Validation ===== */
.validation-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.validation-stat { text-align: center; }
.validation-num { font-size: 3rem; font-weight: 800; color: var(--accent-green); }
.validation-label { font-size: 0.85rem; color: var(--text-muted); }

/* ===== Pipeline Section ===== */
.pipeline-flow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.pipeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
}
.pipeline-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  margin: 0 auto 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
}
.pipeline-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.pipeline-card p { font-size: 0.85rem; }

/* ===== Use Cases ===== */
.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.use-case-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 10px;
  padding: 20px;
}
.use-case-icon { font-size: 1.5rem; margin-bottom: 8px; }
.use-case-card h4 { font-size: 0.95rem; margin-bottom: 4px; }
.use-case-card small { font-size: 0.75rem; color: var(--accent); margin-bottom: 12px; display: block; }
.use-case-card p { font-size: 0.8rem; color: var(--text-muted); }

/* ===== CTA Banner ===== */
.cta-banner {
  background: linear-gradient(135deg, rgba(0,212,255,0.08), rgba(0,102,255,0.05));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 56px 48px;
  text-align: center;
}
.cta-banner h2 { margin-bottom: 12px; }
.cta-banner p { max-width: 560px; margin: 0 auto 32px; }

/* ===== Case Study ===== */
.case-study {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.case-stats { display: flex; gap: 32px; flex-wrap: wrap; }
.case-stat { text-align: center; }
.case-stat .val { font-size: 2.5rem; font-weight: 800; color: var(--accent); }
.case-stat .label { font-size: 0.8rem; color: var(--text-muted); }
.case-study-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 16px; font-size: 0.9rem; font-weight: 600; }

/* ===== Compatibility ===== */
.compat-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 24px;
}
.compat-item {
  padding: 6px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 6px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ===== Relay Banner ===== */
.relay-banner {
  background: linear-gradient(135deg, #0d2a1e, #0a1f16);
  border: 1px solid rgba(0,255,136,0.2);
  border-radius: 12px;
  padding: 24px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 48px;
}
.relay-info h4 { font-size: 1rem; margin-bottom: 4px; }
.relay-info p { font-size: 0.85rem; color: var(--text-muted); }
.relay-stats { display: flex; gap: 32px; }
.relay-stat { text-align: center; }
.relay-stat .val { font-size: 1.5rem; font-weight: 800; color: var(--accent-green); }
.relay-stat .label { font-size: 0.75rem; color: var(--text-muted); }

/* ===== 404 Page ===== */
.page-404 { text-align: center; padding: 100px 0; }
.page-404 h1 { font-size: 5rem; color: var(--accent); margin-bottom: 16px; }

/* ===== Mega Dropdown ===== */
.mega-dropdown { position: static; }
.mega-dropdown .mega-menu {
  display: none;
  position: fixed;
  left: 0; right: 0;
  top: 64px;
  background: rgba(10, 14, 26, 0.98);
  border-top: 1px solid var(--border-card);
  border-bottom: 1px solid var(--border-card);
  padding: 20px 0;
  z-index: 300;
  backdrop-filter: blur(20px);
  flex-direction: row;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
}
.mega-dropdown:hover .mega-menu { display: flex; }
.mega-col { flex: 1; padding: 0 24px; border-right: 1px solid var(--border-card); }
.mega-col:last-of-type { border-right: none; }
.mega-col-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-card);
}
.mega-menu a {
  display: flex;
  flex-direction: column;
  padding: 7px 8px;
  border-radius: 6px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: background 0.15s, color 0.15s;
  line-height: 1.3;
}
.mega-menu a:hover { background: rgba(0,212,255,0.08); color: var(--text-primary); text-decoration: none; }
.mega-menu a small { font-size: 0.7rem; color: var(--text-muted); }
.mega-divider { width: 1px; background: var(--border-card); margin: 0 16px; }
.mega-bottom { display: flex; flex-direction: column; gap: 8px; padding: 0 16px; justify-content: center; }
.mega-bottom-link { font-size: 0.85rem; font-weight: 600; color: var(--accent) !important; padding: 6px 0 !important; }
.mega-bottom-link:hover { background: none !important; text-decoration: underline !important; }
.lang-selector { font-size: 0.8rem; color: var(--text-muted); padding: 4px 8px; cursor: pointer; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .dashboard-body { grid-template-columns: 1fr; }
  .dashboard-grid { grid-template-columns: repeat(2, 1fr); }
  .explainer-card { grid-template-columns: 1fr; gap: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .pipeline-flow { grid-template-columns: 1fr; }
  .case-study { grid-template-columns: 1fr; }
  .relay-banner { flex-direction: column; }
}
@media (max-width: 480px) {
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .dashboard-grid { grid-template-columns: 1fr; }
}

/* ===== Pricing matrix ===== */
.pricing-matrix-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-top: 64px;
}
.pricing-matrix {
  width: 100%;
  border-collapse: collapse;
  min-width: 480px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 12px;
  overflow: hidden;
}
.pricing-matrix th,
.pricing-matrix td {
  padding: 14px 18px;
  text-align: left;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border-card);
}
.pricing-matrix thead th {
  background: var(--bg-section);
  color: var(--text-primary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.75rem;
}
.pricing-matrix th[scope="row"] {
  color: var(--text-secondary);
  font-weight: 600;
}
.pricing-matrix td {
  color: var(--text-secondary);
}
.pricing-matrix td.popular-col,
.pricing-matrix th.popular-col {
  background: rgba(0, 212, 255, 0.05);
  color: var(--text-primary);
}
.pricing-matrix tr:last-child th,
.pricing-matrix tr:last-child td { border-bottom: none; }
@media (max-width: 480px) {
  .pricing-matrix th,
  .pricing-matrix td { padding: 10px 12px; font-size: 0.8rem; }
}

/* ===== IP badge (catalog card) ===== */
.ip-badge {
  display: inline-flex;
  align-items: center;
  margin-left: 8px;
  padding: 1px 6px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--border);
  border-radius: 4px;
  vertical-align: middle;
  cursor: help;
}
.ip-badge.ip-empty {
  color: var(--text-muted);
  opacity: 0.5;
  border-color: transparent;
}