/* ============================================
   NAVIGATION
   ============================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition-base), border var(--transition-base);
}

.nav.scrolled {
  background: rgba(12, 17, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--biolum-border);
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.5px;
  color: var(--parchment);
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo-mark {
  width: 32px;
  height: 32px;
  border: 2px solid var(--biolum);
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
  box-shadow: inset 0 0 0 1px rgba(200, 245, 62, 0.08);
}

.nav-logo-mark::before {
  content: '';
  position: relative;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, rgba(245, 255, 220, 0.95), var(--biolum) 58%, rgba(168, 199, 108, 0.92) 100%);
  box-shadow:
    0 0 0 3px rgba(200, 245, 62, 0.08),
    0 0 14px rgba(200, 245, 62, 0.22);
  z-index: 1;
}

.nav-logo-mark::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 50%, rgba(200, 245, 62, 0.08), transparent 48%),
    linear-gradient(180deg, rgba(200, 245, 62, 0.1), rgba(200, 245, 62, 0.02));
  opacity: 1;
}

.nav-links {
  display: flex;
  gap: 24px;
  align-items: center;
}

.nav-links a {
  color: var(--stone);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.3px;
  transition: color var(--transition-base);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--parchment);
}


/* ============================================
   BUTTONS
   ============================================ */

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--biolum);
  color: var(--earth-deep);
  border: none;
  padding: 16px 36px;
  font-size: 14px;
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  min-height: 48px;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn-primary:hover::before { left: 100%; }
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(200, 245, 62, 0.25);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--parchment);
  border: 1px solid var(--earth-warm);
  padding: 16px 36px;
  font-size: 14px;
  font-family: var(--font-mono);
  font-weight: 400;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: border-color var(--transition-base), color var(--transition-base);
  min-height: 48px;
}

.btn-secondary:hover {
  border-color: var(--stone);
  color: var(--biolum);
}

.nav-cta {
  background: transparent;
  border: 1px solid var(--biolum);
  color: var(--biolum);
  padding: 10px 24px;
  font-size: 13px;
  font-family: var(--font-mono);
  font-weight: 400;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: all var(--transition-base);
  min-height: 44px;
}

.nav-cta:hover {
  background: var(--biolum);
  color: var(--earth-deep);
}


/* ============================================
   MOBILE NAVIGATION
   ============================================ */

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--parchment);
  font-size: 24px;
  cursor: pointer;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
}

/* Neural Network Canvas Container */
.neural-container {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
}

.neural-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.neural-container-soft {
  opacity: 0.34;
}

.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at top right, rgba(200, 245, 62, 0.12), transparent 28%),
    radial-gradient(circle at bottom left, rgba(127, 176, 105, 0.12), transparent 32%),
    rgba(12, 17, 10, 0.97);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(96px + env(safe-area-inset-top)) calc(24px + env(safe-area-inset-right)) calc(32px + env(safe-area-inset-bottom)) calc(24px + env(safe-area-inset-left));
  min-height: 100vh;
  min-height: 100svh;
  min-height: 100dvh;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.mobile-menu::before,
.mobile-menu::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.mobile-menu::before {
  background-image:
    linear-gradient(rgba(168, 199, 108, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(168, 199, 108, 0.06) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(circle at center, black 45%, transparent 100%);
  opacity: 0.32;
}

.mobile-menu::after {
  background:
    linear-gradient(120deg, transparent 0%, rgba(200, 245, 62, 0.12) 45%, transparent 100%);
  transform: translateX(-55%);
  animation: menuScan 7s linear infinite;
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-menu-shell {
  position: relative;
  z-index: 1;
  width: min(100%, 68rem);
  display: grid;
  gap: 24px;
}

.mobile-menu-top {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
}

.mobile-menu-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--biolum);
  margin-bottom: 10px;
}

.mobile-menu-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 8vw, 64px);
  line-height: 0.92;
  max-width: 10ch;
}

.mobile-menu-sub {
  max-width: 32rem;
  color: var(--stone);
  line-height: 1.7;
}

.mobile-menu-status {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--biolum-border);
  background: rgba(232, 230, 223, 0.03);
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--stone);
}

.mobile-menu-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--biolum);
  box-shadow: 0 0 16px rgba(200, 245, 62, 0.5);
  animation: pulseDot 2.8s ease-in-out infinite;
}

.mobile-menu-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.mobile-menu-card {
  position: relative;
  display: grid;
  gap: 12px;
  min-height: 148px;
  padding: 20px;
  border: 1px solid var(--biolum-border);
  background:
    linear-gradient(160deg, rgba(232, 230, 223, 0.03), rgba(232, 230, 223, 0.01)),
    rgba(26, 34, 22, 0.72);
  color: var(--parchment);
  overflow: hidden;
  transition: transform var(--transition-base), border-color var(--transition-base), background var(--transition-base);
}

.mobile-menu-card::before,
.mobile-menu-card::after {
  content: '';
  position: absolute;
  inset: auto;
  pointer-events: none;
}

.mobile-menu-card::before {
  top: 16px;
  right: 16px;
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 245, 62, 0.14), transparent 72%);
}

.mobile-menu-card::after {
  left: 20px;
  right: 20px;
  bottom: 18px;
  height: 1px;
  background: linear-gradient(90deg, rgba(200, 245, 62, 0.6), transparent);
  transform-origin: left;
  transform: scaleX(0.34);
  transition: transform var(--transition-base);
}

.mobile-menu-card:hover,
.mobile-menu-card:focus-visible,
.mobile-menu-card.is-active {
  transform: translateY(-4px);
  border-color: rgba(200, 245, 62, 0.38);
  background:
    linear-gradient(160deg, rgba(200, 245, 62, 0.12), rgba(232, 230, 223, 0.02)),
    rgba(26, 34, 22, 0.88);
}

.mobile-menu-card:hover::after,
.mobile-menu-card:focus-visible::after,
.mobile-menu-card.is-active::after {
  transform: scaleX(1);
}

.mobile-menu-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.mobile-menu-card-index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--biolum);
}

.mobile-menu-card-state {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--stone);
}

.mobile-menu-card-title {
  font-family: var(--font-display);
  font-size: 28px;
  line-height: 0.95;
}

.mobile-menu-card-copy {
  max-width: 24ch;
  color: var(--stone);
  line-height: 1.65;
}

.mobile-menu-card-signal {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--luminance);
}

.mobile-menu-card-signal::before {
  content: '';
  width: 34px;
  height: 1px;
  background: linear-gradient(90deg, rgba(200, 245, 62, 0.75), transparent);
}

.mobile-menu-card-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto;
}

.mobile-menu-card-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 10px 14px;
  border: 1px solid var(--biolum-border);
  background: rgba(232, 230, 223, 0.03);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--parchment);
  transition: border-color var(--transition-base), background var(--transition-base), color var(--transition-base);
}

.mobile-menu-card-link:hover,
.mobile-menu-card-link:focus-visible {
  border-color: rgba(200, 245, 62, 0.42);
  background: rgba(200, 245, 62, 0.08);
  color: var(--biolum);
}

.mobile-menu-card-link-secondary {
  color: var(--stone);
}

.mobile-menu-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
}

.mobile-menu-capabilities {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.mobile-menu-capabilities a {
  border: 1px solid var(--biolum-border);
  background: rgba(232, 230, 223, 0.03);
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--stone);
}


/* ============================================
   FOOTER
   ============================================ */

.footer {
  border-top: 1px solid var(--biolum-border);
  padding: 60px 40px 40px;
  max-width: var(--container-max);
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--stone);
  line-height: 1.7;
  margin-top: 16px;
  max-width: 320px;
}

.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--luminance);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  color: var(--stone);
  font-size: 14px;
  margin-bottom: 10px;
  transition: color var(--transition-base);
}

.footer-col a:hover { color: var(--parchment); }

.footer-bottom {
  border-top: 1px solid var(--biolum-border-faint);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom span {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--stone);
}


/* ============================================
   SHARED LAYOUT
   ============================================ */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--section-pad);
}


/* ============================================
   SCROLL REVEAL
   ============================================ */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all var(--transition-reveal);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}


/* ============================================
   PAGE HERO (shared across inner pages)
   ============================================ */

.page-hero {
  padding: 180px 40px 100px;
  max-width: var(--container-max);
  margin: 0 auto;
  position: relative;
  isolation: isolate;
  overflow: clip;
}

.page-hero::before,
.page-hero::after {
  content: '';
  position: absolute;
  pointer-events: none;
}

.page-hero::before {
  inset: auto auto 24px 0;
  width: min(42vw, 360px);
  height: 1px;
  background: linear-gradient(90deg, rgba(200, 245, 62, 0.55), transparent);
  animation: signalDrift 6s ease-in-out infinite;
}

.page-hero::after {
  top: 36px;
  right: min(2vw, 24px);
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 245, 62, 0.12), transparent 72%);
  opacity: 0.7;
  animation: networkFloat 9s ease-in-out infinite;
}

.page-hero .eyebrow {
  margin-bottom: 20px;
}

.page-hero > :not(.neural-container) {
  position: relative;
  z-index: 1;
}

.page-hero .neural-container {
  inset: 0 0 0 34%;
  opacity: 0.52;
  mix-blend-mode: screen;
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 400;
  line-height: 1.05;
  color: var(--parchment);
  margin-bottom: 24px;
}

.page-hero h1 em {
  font-style: italic;
  color: var(--biolum);
}

.page-hero .lead {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--stone);
  width: min(100%, 640px);
  max-width: 640px;
  line-height: 1.7;
}


/* ============================================
   INNER PAGE CONTENT
   ============================================ */

.page-content {
  padding: 0 40px 120px;
  max-width: var(--container-max);
  margin: 0 auto;
}

.page-content section {
  position: relative;
}

.page-content section::after {
  content: '';
  position: absolute;
  top: 14px;
  right: 0;
  width: 96px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200, 245, 62, 0.38));
  opacity: 0.55;
}

.page-content h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 400;
  color: var(--parchment);
  margin-bottom: 20px;
  margin-top: 64px;
}

.page-content h2:first-child {
  margin-top: 0;
}

.page-content p {
  font-size: 16px;
  color: var(--stone);
  line-height: 1.8;
  width: min(100%, 720px);
  max-width: 720px;
  margin-bottom: 20px;
}

.page-content p + p {
  margin-top: 0;
}

.page-divider {
  border: none;
  border-top: 1px solid var(--biolum-border);
  margin: 64px 0;
}

.page-cta {
  text-align: center;
  padding: 80px 0;
}

.page-cta-copy {
  color: var(--stone);
  width: min(100%, 480px);
  max-width: 480px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

@keyframes menuScan {
  0% { transform: translateX(-55%); }
  100% { transform: translateX(55%); }
}

@keyframes signalDrift {
  0%, 100% { transform: translateX(0); opacity: 0.35; }
  50% { transform: translateX(28px); opacity: 0.8; }
}

@keyframes networkFloat {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50% { transform: translate3d(-18px, 14px, 0); }
}