/* ================================================================
   CBRN WATCH — Landing Page Styles v4.0
   Government-Grade Intelligence UI
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* ── DESIGN TOKENS ──────────────────────────────────────────── */
:root {
  --ls-font-display: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --ls-font-body: 'Space Grotesk', system-ui, sans-serif;
  --ls-bg-primary: #f8faf9;
  --ls-bg-section: #f0f4f2;
  --ls-bg-section-alt: #f8faf9;
  --ls-bg-card: rgba(0,0,0,0.03);
  --ls-bg-card-hover: rgba(0,0,0,0.06);
  --ls-border: rgba(0,0,0,0.10);
  --ls-border-hover: rgba(0,0,0,0.18);
  --ls-text-primary: #1a2332;
  --ls-text-secondary: #475569;
  --ls-text-muted: #94a3b8;
  --ls-accent: #00e88f;
  --ls-accent-dim: rgba(0,168,107,0.10);
  --ls-chem: #ff8c00;
  --ls-bio: #00e88f;
  --ls-rad: #00b4ff;
  --ls-nuc: #ffd700;
  --ls-oal1: #00e88f;
  --ls-oal2: #a8d840;
  --ls-oal3: #ffc107;
  --ls-oal4: #ff6b35;
  --ls-oal5: #ff1744;
}

/* ── All sections now use a unified light theme ────────────── */

/* Close / Return button text needs dark color on light bg */
.ls-close-btn {
  color: #475569;
}
.ls-close-btn:hover {
  color: #1a2332;
}

/* Onboarding banner dark-text fix */
.ls-onboarding-banner {
  color: #1a2332;
}
.ls-onboarding-banner .ls-banner-close {
  color: rgba(0,0,0,0.35);
}
.ls-onboarding-banner .ls-banner-close:hover {
  color: rgba(0,0,0,0.65);
}

/* ── LANDING SCREEN CONTAINER ───────────────────────────────── */
#landing-screen {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--ls-bg-primary);
  overflow-y: auto;
  overflow-x: hidden;
  scroll-behavior: smooth;
  transition: opacity 0.6s ease, transform 0.6s ease;
}
#landing-screen.ls-hidden {
  opacity: 0;
  transform: translateY(-20px);
  pointer-events: none;
}

/* ── SCROLLBAR ──────────────────────────────────────────────── */
#landing-screen::-webkit-scrollbar { width: 6px; }
#landing-screen::-webkit-scrollbar-track { background: transparent; }
#landing-screen::-webkit-scrollbar-thumb { background: var(--ls-accent); border-radius: 3px; }

/* ── REVEAL ANIMATION ───────────────────────────────────────── */
.ls-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.ls-reveal.ls-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================================================================
   SECTION 1: HERO
   ================================================================ */
.ls-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  overflow: hidden;
}

/* Radar background */
.ls-radar-bg {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.25;
  pointer-events: none;
}
#ls-radar-canvas {
  width: 700px;
  height: 700px;
  max-width: 90vw;
  max-height: 90vh;
}

/* Hero content */
.ls-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

/* Classification banner */
.ls-classification-banner {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--ls-font-body);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--ls-text-muted);
  text-transform: uppercase;
  margin-bottom: 2.5rem;
  padding: 0.5rem 1.5rem;
  border: 1px solid var(--ls-border);
  border-radius: 100px;
  background: var(--ls-bg-card);
  backdrop-filter: blur(10px);
}
.ls-cls-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ls-accent);
  animation: ls-pulse 2s ease-in-out infinite;
}

/* Logo */
.ls-logo-wrap {
  font-size: 3.5rem;
  color: var(--ls-accent);
  margin-bottom: 1.5rem;
  filter: drop-shadow(0 0 30px rgba(0,232,143,0.3));
}

/* Title */
.ls-title {
  font-family: var(--ls-font-display);
  font-size: clamp(4rem, 10vw, 7rem);
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1;
  color: var(--ls-text-primary);
  margin: 0 0 0.5rem;
}
.ls-title-accent {
  color: var(--ls-accent);
}

/* Subtitle */
.ls-subtitle {
  font-family: var(--ls-font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ls-text-secondary);
  margin: 0 0 2rem;
}

/* Tagline */
.ls-tagline {
  font-family: var(--ls-font-body);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  line-height: 1.7;
  color: var(--ls-text-secondary);
  max-width: 720px;
  margin: 0 auto 2.5rem;
}

/* Live status */
.ls-live-status {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--ls-font-body);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--ls-text-primary);
  padding: 0.6rem 1.5rem;
  border: 1px solid var(--ls-accent);
  border-radius: 100px;
  background: var(--ls-accent-dim);
  margin-bottom: 3rem;
}
.ls-live-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ls-accent);
  animation: ls-pulse 1.5s ease-in-out infinite;
  box-shadow: 0 0 12px var(--ls-accent);
}
.ls-live-label {
  font-weight: 700;
  color: var(--ls-accent);
}
.ls-live-sep {
  color: var(--ls-text-muted);
}

/* Hero stats */
.ls-hero-stats {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}
.ls-hstat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  min-width: 100px;
}
.ls-hstat-val {
  font-family: var(--ls-font-display);
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--ls-accent);
  line-height: 1;
}
.ls-hstat-label {
  font-family: var(--ls-font-body);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ls-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Enter button */
.ls-enter-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--ls-font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #f8faf9;
  background: linear-gradient(135deg, #00e88f 0%, #00c77b 50%, #00A86B 100%);
  border: none;
  border-radius: 10px;
  padding: 1rem 2.5rem;
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  box-shadow: 0 0 30px rgba(0,232,143,0.3), 0 4px 15px rgba(0,0,0,0.1);
  position: relative;
  overflow: hidden;
}
.ls-enter-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: left 0.6s ease;
}
.ls-enter-btn:hover::before {
  left: 100%;
}
.ls-enter-btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 0 50px rgba(0,232,143,0.5), 0 8px 25px rgba(0,0,0,0.15);
}
.ls-enter-btn i {
  font-size: 1.1rem;
  transition: transform 0.3s ease;
}
.ls-enter-btn:hover i {
  transform: translateX(4px);
}
.ls-enter-btn-final {
  font-size: 1.6rem;
  padding: 1.2rem 3rem;
}

/* Skip label */
.ls-skip-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--ls-font-body);
  font-size: 0.9rem;
  color: var(--ls-text-muted);
  margin-top: 1.25rem;
  cursor: pointer;
}
.ls-skip-label input[type="checkbox"] {
  accent-color: var(--ls-accent);
  width: 16px;
  height: 16px;
}

/* Scroll hint */
.ls-scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--ls-font-body);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--ls-text-muted);
  animation: ls-bounce 2s ease-in-out infinite;
}
.ls-scroll-hint i { font-size: 1.2rem; }

/* ================================================================
   SECTIONS — SHARED
   ================================================================ */
.ls-section,
.ls-section-alt {
  padding: 6rem 2rem;
}
.ls-section {
  background: var(--ls-bg-section);
}
.ls-section-alt {
  background: var(--ls-bg-section-alt);
}
.ls-section-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.ls-section-header {
  text-align: center;
  margin-bottom: 4rem;
}
.ls-section-tag {
  display: inline-block;
  font-family: var(--ls-font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ls-accent);
  padding: 0.4rem 1.2rem;
  border: 1px solid var(--ls-accent);
  border-radius: 100px;
  margin-bottom: 1.5rem;
  background: var(--ls-accent-dim);
}
.ls-section-title {
  font-family: var(--ls-font-display);
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--ls-text-primary);
  margin: 0 0 1.5rem;
}
.ls-section-desc {
  font-family: var(--ls-font-body);
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
  line-height: 1.8;
  color: var(--ls-text-secondary);
  max-width: 800px;
  margin: 0 auto;
}

/* ================================================================
   SECTION 2: OAL SCALE
   ================================================================ */
.ls-oal-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
}
@media (max-width: 900px) {
  .ls-oal-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 600px) {
  .ls-oal-grid { grid-template-columns: 1fr; }
}
.ls-oal-card {
  background: var(--ls-bg-card);
  border: 1px solid var(--ls-border);
  border-radius: 12px;
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.ls-oal-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
}
.ls-oal-1::before { background: var(--ls-oal1); }
.ls-oal-2::before { background: var(--ls-oal2); }
.ls-oal-3::before { background: var(--ls-oal3); }
.ls-oal-4::before { background: var(--ls-oal4); }
.ls-oal-5::before { background: var(--ls-oal5); }
.ls-oal-card:hover {
  background: var(--ls-bg-card-hover);
  border-color: var(--ls-border-hover);
  transform: translateY(-4px);
}
.ls-oal-card.ls-oal-active {
  border-width: 2px;
  box-shadow: 0 0 30px rgba(0,0,0,0.08);
}
.ls-oal-card.ls-oal-active::before { height: 6px; }
.ls-oal-1.ls-oal-active { border-color: var(--ls-oal1); box-shadow: 0 0 30px rgba(0,168,107,0.12); }
.ls-oal-2.ls-oal-active { border-color: var(--ls-oal2); box-shadow: 0 0 30px rgba(168,216,64,0.2); }
.ls-oal-3.ls-oal-active { border-color: var(--ls-oal3); box-shadow: 0 0 30px rgba(255,193,7,0.2); }
.ls-oal-4.ls-oal-active { border-color: var(--ls-oal4); box-shadow: 0 0 30px rgba(255,107,53,0.2); }
.ls-oal-5.ls-oal-active { border-color: var(--ls-oal5); box-shadow: 0 0 30px rgba(255,23,68,0.2); }

.ls-oal-num {
  font-family: var(--ls-font-display);
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 0.5rem;
}
.ls-oal-1 .ls-oal-num { color: var(--ls-oal1); }
.ls-oal-2 .ls-oal-num { color: var(--ls-oal2); }
.ls-oal-3 .ls-oal-num { color: var(--ls-oal3); }
.ls-oal-4 .ls-oal-num { color: var(--ls-oal4); }
.ls-oal-5 .ls-oal-num { color: var(--ls-oal5); }

.ls-oal-label {
  font-family: var(--ls-font-display);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ls-text-primary);
  margin-bottom: 0.75rem;
}
.ls-oal-desc {
  font-family: var(--ls-font-body);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--ls-text-secondary);
}

/* ================================================================
   SECTION 3: FOUR CBRN DOMAINS
   ================================================================ */
.ls-domain-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
@media (max-width: 768px) {
  .ls-domain-grid { grid-template-columns: 1fr; }
}
.ls-domain-card {
  background: var(--ls-bg-card);
  border: 1px solid var(--ls-border);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.ls-domain-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
}
.ls-domain-chem::before { background: var(--ls-chem); }
.ls-domain-bio::before { background: var(--ls-bio); }
.ls-domain-rad::before { background: var(--ls-rad); }
.ls-domain-nuc::before { background: var(--ls-nuc); }
.ls-domain-card:hover {
  background: var(--ls-bg-card-hover);
  border-color: var(--ls-border-hover);
  transform: translateY(-4px);
}
.ls-domain-icon-wrap {
  margin-bottom: 1rem;
}
.ls-domain-icon {
  font-size: 2.5rem;
}
.ls-domain-name {
  font-family: var(--ls-font-display);
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ls-text-primary);
  margin-bottom: 1rem;
}
.ls-domain-chem .ls-domain-name { color: var(--ls-chem); }
.ls-domain-bio .ls-domain-name { color: var(--ls-bio); }
.ls-domain-rad .ls-domain-name { color: var(--ls-rad); }
.ls-domain-nuc .ls-domain-name { color: var(--ls-nuc); }

.ls-domain-score-wrap {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}
.ls-domain-score {
  font-family: var(--ls-font-display);
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1;
}
.ls-domain-chem .ls-domain-score { color: var(--ls-chem); }
.ls-domain-bio .ls-domain-score { color: var(--ls-bio); }
.ls-domain-rad .ls-domain-score { color: var(--ls-rad); }
.ls-domain-nuc .ls-domain-score { color: var(--ls-nuc); }

.ls-domain-score-label {
  font-family: var(--ls-font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ls-text-muted);
}
.ls-domain-desc {
  font-family: var(--ls-font-body);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--ls-text-secondary);
  margin: 0 0 1.25rem;
}
.ls-domain-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.ls-tag {
  font-family: var(--ls-font-body);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--ls-text-secondary);
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--ls-border);
  border-radius: 100px;
  background: var(--ls-bg-card);
}

/* ================================================================
   SECTION 4: 5-LAYER PIPELINE
   ================================================================ */
.ls-pipeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}
.ls-pipeline::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--ls-accent), rgba(0,168,107,0.15));
}
@media (max-width: 600px) {
  .ls-pipeline::before { left: 20px; }
}

.ls-pipe-step {
  display: flex;
  gap: 2rem;
  padding: 2rem 0;
  position: relative;
}
.ls-pipe-num {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ls-font-display);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--ls-bg-primary);
  background: var(--ls-accent);
  border-radius: 50%;
  position: relative;
  z-index: 2;
  box-shadow: 0 0 20px rgba(0,232,143,0.2);
}
@media (max-width: 600px) {
  .ls-pipe-num { width: 40px; height: 40px; font-size: 1rem; }
  .ls-pipe-step { gap: 1.25rem; }
}

.ls-pipe-body {
  flex: 1;
  padding-top: 0.5rem;
}
.ls-pipe-title {
  font-family: var(--ls-font-display);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ls-text-primary);
  margin: 0 0 0.75rem;
}
.ls-pipe-desc {
  font-family: var(--ls-font-body);
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--ls-text-secondary);
  margin: 0 0 1rem;
}
.ls-pipe-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.ls-badge {
  font-family: var(--ls-font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--ls-accent);
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--ls-accent);
  border-radius: 100px;
  background: var(--ls-accent-dim);
}

/* ================================================================
   SECTION 4: SIGNATURE CAPABILITIES
   ================================================================ */
.ls-sig-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
@media (max-width: 768px) {
  .ls-sig-grid { grid-template-columns: 1fr; }
}
.ls-sig-card {
  background: var(--ls-bg-card);
  border: 1px solid var(--ls-border);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
  overflow: hidden;
}
.ls-sig-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--ls-accent);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.ls-sig-card:hover {
  background: var(--ls-bg-card-hover);
  border-color: var(--ls-border-hover);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.08), 0 0 30px rgba(0,232,143,0.06);
}
.ls-sig-card:hover::before {
  opacity: 1;
}
.ls-sig-icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
}
.ls-sig-title {
  font-family: var(--ls-font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ls-text-primary);
  margin: 0 0 1rem;
}
.ls-sig-desc {
  font-family: var(--ls-font-body);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ls-text-secondary);
  margin: 0 0 1.25rem;
}
.ls-sig-ref {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--ls-font-body);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--ls-text-muted);
  padding-top: 1rem;
  border-top: 1px solid var(--ls-border);
}
.ls-sig-ref i {
  color: var(--ls-accent);
  font-size: 0.75rem;
}

/* CTA subtitle */
.ls-cta-subtitle {
  font-family: var(--ls-font-body);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--ls-text-secondary);
  max-width: 700px;
  margin: 0 auto 2.5rem;
}

/* ================================================================
   SECTION 6: FINAL CTA
   ================================================================ */
.ls-cta-section {
  padding: 6rem 2rem;
  background: var(--ls-bg-primary);
  text-align: center;
}
.ls-cta-inner {
  max-width: 800px;
  margin: 0 auto;
}
.ls-cta-title {
  font-family: var(--ls-font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--ls-text-primary);
  margin: 1.5rem 0 1rem;
}
.ls-cta-stats {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem 2.5rem;
  margin-bottom: 3rem;
}
.ls-cta-stat {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--ls-font-body);
  font-size: 1.05rem;
  color: var(--ls-text-secondary);
}
.ls-cta-stat strong {
  font-family: var(--ls-font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--ls-accent);
}
.ls-cta-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ls-accent);
  animation: ls-pulse 2s ease-in-out infinite;
}

/* ================================================================
   CLOSE / RETURN BUTTON (overlay mode)
   ================================================================ */
.ls-close-btn {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 10001;
  display: none;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--ls-font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ls-text-secondary);
  background: rgba(255,255,255,0.85);
  border: 1px solid rgba(0,232,143,0.25);
  border-radius: 10px;
  padding: 0.65rem 1.3rem;
  cursor: pointer;
  backdrop-filter: blur(16px);
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
.ls-close-btn:hover {
  color: #fff;
  border-color: #00e88f;
  background: #00A86B;
  box-shadow: 0 4px 24px rgba(0,168,107,0.15);
  transform: translateY(-1px);
}
.ls-close-btn i {
  transition: transform 0.3s ease;
}
.ls-close-btn:hover i {
  transform: translateX(-3px);
}
#landing-screen.ls-overlay-mode .ls-close-btn {
  display: flex;
}

/* ================================================================
   ONBOARDING BANNER (inside dashboard)
   ================================================================ */
.ls-onboarding-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 0.9rem;
  color: var(--text-primary, #f0f4f2);
  background: rgba(0,168,107,0.06);
  border: 1px solid rgba(0,232,143,0.25);
  border-left: 4px solid #00e88f;
  border-radius: 10px;
  padding: 0.85rem 1.25rem;
  margin: 0.75rem;
  transition: opacity 0.4s ease, transform 0.4s ease;
  backdrop-filter: blur(8px);
  animation: ls-banner-fadein 0.6s ease;
}
@keyframes ls-banner-fadein {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}
.ls-onboarding-banner a {
  color: #00e88f;
  font-weight: 600;
  text-decoration: underline;
  cursor: pointer;
}
.ls-onboarding-banner .ls-banner-close {
  background: none;
  border: none;
  color: rgba(0,0,0,0.35);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0.25rem;
  transition: color 0.2s ease;
}
.ls-onboarding-banner .ls-banner-close:hover {
  color: rgba(0,0,0,0.65);
}

/* ================================================================
   HEADER ? BUTTON
   ================================================================ */
#cbrn-briefing-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  font-family: var(--ls-font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: #00e88f;
  background: rgba(0,168,107,0.08);
  border: 1.5px solid rgba(0,232,143,0.5);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
  animation: ls-btn-glow 3s ease-in-out infinite;
}
#cbrn-briefing-btn:hover {
  background: #00e88f;
  color: #f8faf9;
  border-color: #00e88f;
  box-shadow: 0 0 20px rgba(0,232,143,0.4), 0 0 40px rgba(0,168,107,0.10);
  transform: scale(1.1);
}
@keyframes ls-btn-glow {
  0%, 100% { box-shadow: 0 0 8px rgba(0,168,107,0.10); }
  50% { box-shadow: 0 0 16px rgba(0,232,143,0.3); }
}
/* Light theme override for ? button */

/* ================================================================
   SECTION 3B: BIO-ALL INTELLIGENCE ENGINE
   ================================================================ */

/* Tier container */
/* ================================================================
   BIO-ALL INTELLIGENCE ENGINE v2.0 — Enhanced Styles
   ================================================================ */

/* Bio tier */
.ls-bio-tier {
  position: relative;
  margin-top: 3rem;
}
.ls-bio-tier:first-child {
  margin-top: 2rem;
}

/* Core tier gets a subtle background */
.ls-bio-tier--core {
  background: radial-gradient(ellipse at center top, rgba(0,232,143,0.04) 0%, transparent 70%);
  border-radius: 24px;
  padding: 2rem 1.5rem;
  margin-left: -1.5rem;
  margin-right: -1.5rem;
}

/* Tier header */
.ls-bio-tier-header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 0.5rem;
}
.ls-bio-tier-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border: 1px solid;
  border-radius: 100px;
  font-family: var(--ls-font-display);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  white-space: nowrap;
}
.ls-bio-tier-badge i {
  font-size: 0.8rem;
}
.ls-bio-tier-title {
  font-family: var(--ls-font-display);
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--ls-text-primary);
}
.ls-bio-tier-subtitle {
  font-family: var(--ls-font-body);
  font-size: 0.95rem;
  color: var(--ls-text-muted);
  flex: 1;
}
@media (max-width: 768px) {
  .ls-bio-tier-header {
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  .ls-bio-tier-subtitle {
    width: 100%;
    margin-top: 0.25rem;
  }
}

/* Tier connector line */
.ls-bio-tier-connector {
  width: 2px;
  height: 1.5rem;
  margin-left: 2rem;
  background: linear-gradient(to bottom, var(--tier-color), transparent);
  opacity: 0.4;
}

/* Tier cards grid */
.ls-bio-tier-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.ls-bio-tier-cards.ls-bio-triad {
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 1024px) {
  .ls-bio-tier-cards.ls-bio-triad { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .ls-bio-tier-cards { grid-template-columns: 1fr; }
}

/* Bio card */
.ls-bio-card {
  position: relative;
  background: var(--ls-bg-card);
  border: 1px solid var(--ls-border);
  border-radius: 16px;
  padding: 2rem 2rem 1.75rem;
  transition: all 0.3s ease;
  overflow: hidden;
}
.ls-bio-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--card-accent, var(--ls-accent));
  opacity: 0.6;
  transition: opacity 0.3s ease;
}
.ls-bio-card:hover {
  background: var(--ls-bg-card-hover);
  border-color: var(--ls-border-hover);
  transform: translateY(-4px);
}
.ls-bio-card:hover::before {
  opacity: 1;
}

/* Core card enhancements — glowing border + thicker top bar */
.ls-bio-card--core {
  border: 1px solid rgba(0,0,0,0.08);
  background: rgba(0,0,0,0.02);
}
.ls-bio-card--core::before {
  height: 4px;
  opacity: 0.8;
}
.ls-bio-card--core:hover {
  border-color: var(--card-accent);
  box-shadow: 0 0 30px rgba(var(--card-accent-rgb, 0,232,143), 0.15),
              inset 0 1px 0 rgba(255,255,255,0.05);
}
.ls-bio-card--core:nth-child(1):hover { box-shadow: 0 0 30px rgba(0,168,107,0.10); }
.ls-bio-card--core:nth-child(2):hover { box-shadow: 0 0 30px rgba(245,158,11,0.15); }
.ls-bio-card--core:nth-child(3):hover { box-shadow: 0 0 30px rgba(59,130,246,0.15); }

/* Card glow effect for core cards */
.ls-bio-card-glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, var(--card-accent) 0%, transparent 70%);
  opacity: 0.02;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.ls-bio-card--core:hover .ls-bio-card-glow {
  opacity: 0.04;
}

/* Card header — icon + number side by side */
.ls-bio-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

/* Card number */
.ls-bio-card-num {
  font-family: var(--ls-font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--ls-text-primary);
  opacity: 0.06;
  line-height: 1;
  pointer-events: none;
}

/* Card icon */
.ls-bio-icon-wrap {
  margin-bottom: 0;
}
.ls-bio-icon-wrap i {
  font-size: 1.75rem;
}
.ls-bio-icon--lg i {
  font-size: 2.25rem;
}

/* Card name */
.ls-bio-name {
  font-family: var(--ls-font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin-bottom: 0.75rem;
}

/* Card description */
.ls-bio-desc {
  font-family: var(--ls-font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--ls-text-secondary);
  margin-bottom: 1.25rem;
}

/* ── KEY STATS ROW ────────────────────────────────────────── */
.ls-bio-stats {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
  padding: 0.75rem 0;
  border-top: 1px solid rgba(0,0,0,0.08);
  border-bottom: 1px solid rgba(0,0,0,0.08);
}
.ls-bio-stats--sm {
  gap: 1.25rem;
}
.ls-bio-stat {
  text-align: center;
  flex: 1;
}
.ls-bio-stat-val {
  font-family: var(--ls-font-display);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  line-height: 1.2;
}
.ls-bio-stats--sm .ls-bio-stat-val {
  font-size: 1.25rem;
}
.ls-bio-stat-label {
  font-family: var(--ls-font-body);
  font-size: 0.7rem;
  color: var(--ls-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.25rem;
}

/* ── FRAMEWORK REFERENCE ──────────────────────────────────── */
.ls-bio-framework {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  padding: 0.5rem 0.75rem;
  background: rgba(0,0,0,0.02);
  border-radius: 8px;
  border-left: 2px solid var(--card-accent, var(--ls-accent));
}
.ls-bio-framework i {
  font-size: 0.8rem;
  flex-shrink: 0;
}
.ls-bio-framework span {
  font-family: var(--ls-font-body);
  font-size: 0.75rem;
  color: var(--ls-text-muted);
  line-height: 1.4;
  letter-spacing: 0.02em;
}

/* ── ARCHITECTURE DIAGRAM v2 ──────────────────────────────── */
.ls-bio-architecture {
  margin-top: 3rem;
  background: var(--ls-bg-card);
  border: 1px solid var(--ls-border);
  border-radius: 16px;
  padding: 2rem;
}
.ls-bio-arch-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--ls-font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--ls-text-primary);
  margin-bottom: 1.5rem;
}
.ls-bio-arch-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}
.ls-bio-arch-base,
.ls-bio-arch-deep {
  width: 100%;
  text-align: center;
  padding: 1rem 0;
}
.ls-bio-arch-deep--core {
  background: rgba(0,232,143,0.03);
  border-radius: 12px;
  border: 1px solid rgba(0,232,143,0.1);
  padding: 1.25rem;
}
.ls-bio-arch-label {
  font-family: var(--ls-font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ls-text-secondary);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}
.ls-bio-arch-items {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}
.ls-bio-arch-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border: 1px solid;
  border-radius: 8px;
  font-family: var(--ls-font-body);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ls-text-primary);
  background: rgba(0,0,0,0.02);
  transition: all 0.2s ease;
}
.ls-bio-arch-item--core {
  background: rgba(0,0,0,0.04);
  font-weight: 600;
}
.ls-bio-arch-item:hover {
  background: rgba(0,0,0,0.06);
  transform: translateY(-2px);
}
.ls-bio-arch-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  color: var(--ls-accent);
  opacity: 0.5;
  padding: 0.25rem 0;
}
.ls-bio-arch-arrow-line {
  width: 2px;
  height: 1.25rem;
  background: linear-gradient(to bottom, var(--ls-accent), rgba(0,168,107,0.12));
}
.ls-bio-arch-arrow i {
  font-size: 0.9rem;
}

/* ── RESPONSIVE BIO-ALL ───────────────────────────────────── */
@media (max-width: 480px) {
  .ls-bio-card { padding: 1.5rem 1.25rem; }
  .ls-bio-tier-title { font-size: 1.4rem; }
  .ls-bio-arch-items { gap: 0.5rem; }
  .ls-bio-arch-item { font-size: 0.75rem; padding: 0.4rem 0.75rem; }
  .ls-bio-tier--core { padding: 1rem 0.75rem; margin-left: -0.75rem; margin-right: -0.75rem; }
  .ls-bio-stats { gap: 0.75rem; }
  .ls-bio-stat-val { font-size: 1.2rem; }
  .ls-bio-icon--lg i { font-size: 1.75rem; }
}

/* ================================================================
   ANIMATIONS
   ================================================================ */
@keyframes ls-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
@keyframes ls-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 480px) {
  .ls-hero { padding: 3rem 1.25rem; }
  .ls-section, .ls-section-alt { padding: 4rem 1.25rem; }
  .ls-hero-stats { gap: 1rem; }
  .ls-hstat-val { font-size: 2rem !important; }
  .ls-ring-card { flex-direction: column; gap: 1rem; padding: 1.5rem; }
  .ls-ring-num-wrap { flex-direction: row; gap: 0.75rem; }
  .ls-domain-card { padding: 2rem 1.5rem; }
  .ls-bio-card { padding: 1.5rem 1.25rem; }
  .ls-bio-tier-title { font-size: 1.4rem; }
  .ls-bio-arch-items { gap: 0.5rem; }
  .ls-bio-arch-item { font-size: 0.75rem; padding: 0.4rem 0.75rem; }
}
/* ══ BIO-ALL QUARTET LAYOUT ═══════════════════════════════ */
.ls-bio-quartet {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

/* ── Biotech module cards ─────────────────────────────── */
.ls-bio-card--module {
  border-style: dashed;
  border-width: 1px;
  position: relative;
}
.ls-bio-card--module::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(239,68,68,0.04), transparent 60%);
  pointer-events: none;
}
.ls-bio-card--module .ls-bio-card-num {
  font-size: 0.7rem;
  background: rgba(239,68,68,0.12);
  color: #ef4444;
}

/* ── Biotech tier special styling ─────────────────────── */
.ls-bio-tier--biotech {
  margin-top: -0.5rem;
  padding-top: 0;
}
.ls-bio-tier--biotech .ls-bio-tier-header {
  padding-bottom: 0.5rem;
}

/* ── Color-coded biotech spectrum tags ────────────────── */
.ls-tag--red {
  border-color: rgba(239,68,68,0.4) !important;
  color: #ef4444 !important;
}
.ls-tag--white {
  border-color: rgba(100,116,139,0.4) !important;
  color: #64748b !important;
}
.ls-tag--green {
  border-color: rgba(34,197,94,0.4) !important;
  color: #22c55e !important;
}
.ls-tag--gold {
  border-color: rgba(234,179,8,0.4) !important;
  color: #eab308 !important;
}

/* ══ RESPONSIVE: QUARTET → 2-COL → 1-COL ═════════════════ */
@media (max-width: 1100px) {
  .ls-bio-quartet {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 600px) {
  .ls-bio-quartet {
    grid-template-columns: 1fr;
  }
}
/* ═══════════════════════════════════════════════════════════════
   SECTION 5B: COGNITIVE INTELLIGENCE ENGINE
   ═══════════════════════════════════════════════════════════════ */

.ls-ai-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin-top: 2rem;
}

.ls-ai-subtitle {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ls-text-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(0,0,0,0.08);
}

/* ── 5-Layer Stack ─────────────────────────────────────────── */
.ls-ai-layers {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.ls-ai-layer {
  display: flex;
  align-items: stretch;
  gap: 1rem;
  position: relative;
  padding: 1rem 0;
}

.ls-ai-layer:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 1.25rem;
  bottom: 0;
  top: 100%;
  width: 2px;
  height: 0;
  background: linear-gradient(180deg, rgba(0,232,143,0.4), rgba(0,168,107,0.03));
}

.ls-ai-layer-num {
  width: 2.5rem;
  height: 2.5rem;
  min-width: 2.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
  color: #fff;
  position: relative;
  z-index: 1;
}

.ls-ai-layer:nth-child(2) .ls-ai-layer-num { background: #3b82f6; }
.ls-ai-layer:nth-child(3) .ls-ai-layer-num { background: #a855f7; }
.ls-ai-layer:nth-child(4) .ls-ai-layer-num { background: #f59e0b; }
.ls-ai-layer:nth-child(5) .ls-ai-layer-num { background: #ef4444; }
.ls-ai-layer:nth-child(6) .ls-ai-layer-num { background: #00e88f; }

.ls-ai-layer-content h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ls-text-primary);
  margin: 0 0 0.3rem 0;
}

.ls-ai-layer-content p {
  font-size: 0.88rem;
  color: var(--ls-text-muted);
  line-height: 1.5;
  margin: 0;
}

/* ── Tradecraft Cards ──────────────────────────────────────── */
.ls-ai-tradecraft {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.ls-ai-card {
  display: flex;
  gap: 1.25rem;
  padding: 1.25rem;
  background: rgba(0,0,0,0.02);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.ls-ai-card:hover {
  border-color: rgba(0,232,143,0.25);
  box-shadow: 0 0 20px rgba(0,232,143,0.06);
}

.ls-ai-icon {
  width: 3rem;
  height: 3rem;
  min-width: 3rem;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  background: rgba(0,232,143,0.1);
  color: #00e88f;
}

.ls-ai-card:nth-child(2) .ls-ai-icon {
  background: rgba(59,130,246,0.1);
  color: #3b82f6;
}

.ls-ai-card:nth-child(3) .ls-ai-icon {
  background: rgba(245,158,11,0.1);
  color: #f59e0b;
}

.ls-ai-text h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ls-text-primary);
  margin: 0 0 0.4rem 0;
}

.ls-ai-text p {
  font-size: 0.85rem;
  color: var(--ls-text-muted);
  line-height: 1.6;
  margin: 0;
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 768px) {
  .ls-ai-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}