/* ===================================================
   Ghost Agent AI — Design System
   Aesthetic: Espionage Noir Intelligence
   Fonts: DM Serif Display + Syne + IBM Plex Sans + IBM Plex Mono
   Colors: Void Black / Ghost Blue / Spectral Violet / Neon Cyan
   =================================================== */

/* ─── Variables ──────────────────────────────────────────────────────────── */
:root {
  --void: #0D0D0D;
  --smoke: #1A1A2E;
  --surface: #16213E;
  --card: #0F3460;
  --ghost-blue: #64B5F6;
  --ghost-blue-dim: rgba(100, 181, 246, 0.15);
  --ghost-blue-glow: rgba(100, 181, 246, 0.4);
  --violet: #AB47BC;
  --violet-dim: rgba(171, 71, 188, 0.15);
  --cyan: #00E5FF;
  --cyan-dim: rgba(0, 229, 255, 0.12);
  --mist: #F5F5F5;
  --mist-dim: rgba(245, 245, 245, 0.7);
  --mist-faint: rgba(245, 245, 245, 0.12);
  --green: #66BB6A;
  --amber: #FFB74D;
  --pink: #F06292;
  --red: #EF5350;
  --border: rgba(100, 181, 246, 0.12);
  --border-hover: rgba(100, 181, 246, 0.3);

  --font-display: 'DM Serif Display', serif;
  --font-ui: 'Syne', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --radius: 4px;
  --radius-lg: 8px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-h: 70px;
}

/* ─── Reset ──────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--void);
  color: var(--mist);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, select, textarea { font: inherit; }

/* ─── Container ──────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── Typography ─────────────────────────────────────────────────────────── */
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; font-weight: 400; }
p { color: var(--mist-dim); }

.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ghost-blue);
  margin-bottom: 1rem;
  display: block;
}

.section-heading {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--mist);
  margin-bottom: 1.25rem;
  line-height: 1.1;
}
.section-heading em { font-style: italic; color: var(--ghost-blue); }

.section-sub {
  font-size: 1.1rem;
  max-width: 600px;
  color: var(--mist-dim);
}

/* ─── Buttons ────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--ghost-blue);
  color: var(--void);
}
.btn-primary:hover {
  background: #90CAF9;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px var(--ghost-blue-glow);
}
.btn-outline {
  border: 1px solid var(--border-hover);
  color: var(--mist);
}
.btn-outline:hover {
  border-color: var(--ghost-blue);
  color: var(--ghost-blue);
}
.btn-ghost {
  border: 1px solid rgba(245, 245, 245, 0.2);
  color: var(--mist);
}
.btn-ghost:hover {
  border-color: var(--ghost-blue);
  color: var(--ghost-blue);
}
.btn-text {
  color: var(--mist-dim);
  padding-left: 0;
}
.btn-text:hover { color: var(--ghost-blue); }
.btn-large { padding: 1rem 2.25rem; font-size: 1rem; }
.btn-violet { background: var(--violet); color: #fff; }
.btn-violet:hover { background: #CE93D8; box-shadow: 0 8px 24px rgba(171,71,188,0.4); }

/* ─── Navigation ─────────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(13, 13, 13, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}
.nav-logo { display: flex; align-items: center; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-links a {
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--mist-dim);
  transition: color var(--transition);
  letter-spacing: 0.03em;
}
.nav-links a:hover { color: var(--mist); }
.nav-cta {
  background: var(--ghost-blue-dim);
  border: 1px solid var(--border-hover);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius);
  color: var(--ghost-blue) !important;
  transition: all var(--transition) !important;
}
.nav-cta:hover {
  background: var(--ghost-blue) !important;
  color: var(--void) !important;
  border-color: var(--ghost-blue) !important;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--mist);
  border-radius: 1px;
  transition: var(--transition);
}

/* ─── Hero ───────────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--nav-h);
}
.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(100,181,246,0.06) 0%, transparent 60%),
              linear-gradient(to bottom, transparent 60%, var(--void) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 2rem 24px;
  max-width: 900px;
}
.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--ghost-blue);
  text-transform: uppercase;
  margin-bottom: 2rem;
  padding: 0.4rem 1rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: var(--ghost-blue-dim);
}
.dot-live {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse-live 2s ease-in-out infinite;
  display: inline-block;
}
.dot-live--red { background: var(--red); }
@keyframes pulse-live {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.8); }
}
.hero-heading {
  font-size: clamp(3rem, 8vw, 6rem);
  line-height: 1;
  color: var(--mist);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}
.hero-accent { color: var(--ghost-blue); }
.hero-sub {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--mist-dim);
  margin-bottom: 2.5rem;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(245,245,245,0.3);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(245,245,245,0.3), transparent);
  animation: scroll-line 2s ease-in-out infinite;
}
@keyframes scroll-line {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ─── Sections ───────────────────────────────────────────────────────────── */
.section { padding: 7rem 0; }

/* ─── Philosophy ─────────────────────────────────────────────────────────── */
.philosophy-header { margin-bottom: 4rem; }
.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 4rem;
}
.philosophy-card {
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgba(26, 26, 46, 0.4);
  backdrop-filter: blur(8px);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.philosophy-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 0 32px var(--ghost-blue-dim);
}
.philosophy-icon { margin-bottom: 1.25rem; }
.philosophy-card h3 {
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: 0.75rem;
}
.philosophy-card p { font-size: 0.95rem; }

.philosophy-tech { border-top: 1px solid var(--border); padding-top: 2.5rem; }
.philosophy-tech p { margin-bottom: 1.5rem; }
.tech-row {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.tech-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.tech-item--highlight {
  border-color: var(--ghost-blue);
  background: var(--ghost-blue-dim);
}
.tech-label { font-family: var(--font-mono); font-size: 0.85rem; color: var(--mist); min-width: 160px; }
.tech-arrow { color: var(--ghost-blue); }
.tech-result { font-family: var(--font-mono); font-size: 0.85rem; color: var(--mist-dim); }

/* ─── How It Works ───────────────────────────────────────────────────────── */
.how-it-works { background: linear-gradient(to bottom, var(--void), var(--smoke) 50%, var(--void)); }
.how-header { text-align: center; margin-bottom: 4rem; }
.how-header .section-sub { margin: 0 auto; }

.integration-diagram {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}
.integration-systems {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.system-node {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(26, 26, 46, 0.6);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--mist-dim);
  transition: var(--transition);
}
.system-icon { color: rgba(245,245,245,0.4); width: 24px; }
.system-node:hover { border-color: var(--border-hover); color: var(--mist); }

.integration-ghost {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.ghost-core {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 140px;
  height: 140px;
}
.ghost-ring {
  position: absolute;
  border: 1px solid var(--ghost-blue);
  border-radius: 50%;
  animation: ghost-ring 3s ease-in-out infinite;
  opacity: 0;
}
.ghost-ring { width: 110px; height: 110px; animation-delay: 0s; }
.ghost-ring--2 { width: 140px; height: 140px; animation-delay: 1s; }
@keyframes ghost-ring {
  0% { opacity: 0.6; transform: scale(0.8); }
  100% { opacity: 0; transform: scale(1.1); }
}
.ghost-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ghost-blue);
}

/* ─── Ghost Types Grid ───────────────────────────────────────────────────── */
.ghost-types { background: var(--smoke); }
.ghost-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 3rem 0 2.5rem;
}
.ghost-card {
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgba(13, 13, 13, 0.6);
  backdrop-filter: blur(4px);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.ghost-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: 0 16px 48px rgba(0,0,0,0.4);
}
.ghost-card-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: rgba(13,13,13,0.8);
  border: 1px solid var(--border);
  margin-bottom: 0.5rem;
}
.ghost-card h3 {
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mist);
}
.ghost-card p { font-size: 0.9rem; flex: 1; }
.ghost-card-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ghost-blue);
  opacity: 0;
  transition: opacity var(--transition);
}
.ghost-card:hover .ghost-card-link { opacity: 1; }
.ghost-types-cta { text-align: center; margin-top: 1rem; }

/* ─── Signal Section ─────────────────────────────────────────────────────── */
.signal {
  background: linear-gradient(135deg, #0D0D1A 0%, #0D0D0D 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.signal-inner { max-width: 800px; margin: 0 auto; }
.signal-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist-dim);
  margin-bottom: 2.5rem;
}
.signal-quote {
  border-left: 2px solid var(--ghost-blue);
  padding-left: 2rem;
  margin-bottom: 2rem;
}
.signal-quote p {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  line-height: 1.5;
  color: var(--mist);
  margin-bottom: 1.25rem;
}
.signal-quote cite {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--mist-dim);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.signal-quote cite strong { color: var(--ghost-blue); font-style: normal; }
.signal-context { font-size: 1rem; margin-bottom: 3rem; }
.signal-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.stat-block {
  text-align: center;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--ghost-blue-dim);
}
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--ghost-blue);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--mist-dim);
  text-transform: uppercase;
}

/* ─── Ghost Report Dashboard ─────────────────────────────────────────────── */
.ghost-report { background: var(--void); }
.ghost-report-header { text-align: center; margin-bottom: 3rem; }
.ghost-report-header .section-sub { margin: 0 auto; }

.report-dashboard {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgba(10, 10, 20, 0.9);
  overflow: hidden;
  backdrop-filter: blur(8px);
  max-width: 900px;
  margin: 0 auto;
  font-family: var(--font-mono);
}
.report-header-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  background: rgba(26,26,46,0.8);
  border-bottom: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--mist-dim);
}
.report-dot { width: 8px; height: 8px; border-radius: 50%; }
.report-dot--green { background: var(--green); }
.report-time { margin-left: auto; color: rgba(245,245,245,0.3); font-size: 0.72rem; }

.report-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-bottom: 1px solid var(--border);
}
.report-metric {
  padding: 1.5rem;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.report-metric:nth-child(even) { border-right: none; }
.report-metric:nth-child(n+3) { border-bottom: none; }
.report-metric-value {
  display: block;
  font-size: 2.5rem;
  color: var(--ghost-blue);
  line-height: 1;
  margin-bottom: 0.4rem;
}
.report-metric-label {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--mist-dim);
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.75rem;
}
.report-metric-bar {
  height: 2px;
  background: rgba(100,181,246,0.1);
  border-radius: 1px;
  overflow: hidden;
}
.report-metric-fill {
  height: 100%;
  background: var(--ghost-blue);
  border-radius: 1px;
  transition: width 2s ease;
}
.report-metric-fill--alert { background: var(--amber); }

.report-log {
  padding: 1rem 0;
}
.log-entry {
  display: grid;
  grid-template-columns: 100px 1fr 80px;
  align-items: center;
  gap: 1rem;
  padding: 0.7rem 1.5rem;
  font-size: 0.78rem;
  color: var(--mist-dim);
  border-bottom: 1px solid rgba(100,181,246,0.05);
  transition: background var(--transition);
}
.log-entry--active { background: rgba(100,181,246,0.04); }
.log-entry:last-child { border-bottom: none; }
.log-type {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: 2px;
  text-align: center;
}
.log-type.watcher { background: rgba(100,181,246,0.15); color: var(--ghost-blue); }
.log-type.worker { background: rgba(171,71,188,0.15); color: var(--violet); }
.log-type.messenger { background: rgba(0,229,255,0.12); color: var(--cyan); }
.log-type.orchestrator { background: rgba(240,98,146,0.15); color: var(--pink); }
.log-type.analyst { background: rgba(102,187,106,0.15); color: var(--green); }
.log-msg { flex: 1; }
.log-status { font-size: 0.65rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--amber); }
.log-status--done { color: var(--green); }
.report-disclaimer {
  padding: 0.6rem 1.5rem;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(245,245,245,0.2);
  border-top: 1px solid var(--border);
  text-align: center;
}

/* ─── CTA Section ────────────────────────────────────────────────────────── */
.cta-section { text-align: center; }
.cta-inner { max-width: 640px; margin: 0 auto; }
.cta-heading {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--mist);
  margin-bottom: 1rem;
}
.cta-sub { margin-bottom: 2.5rem; }
.cta-actions {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.cta-price {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: rgba(245,245,245,0.3);
  letter-spacing: 0.06em;
}

/* ─── Page Hero ──────────────────────────────────────────────────────────── */
.page-hero {
  padding: calc(var(--nav-h) + 5rem) 0 5rem;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(100,181,246,0.04) 0%, transparent 100%);
}
.page-heading {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  color: var(--mist);
  margin-bottom: 1.25rem;
  line-height: 1.05;
}
.page-sub {
  font-size: 1.1rem;
  max-width: 560px;
  color: var(--mist-dim);
}

/* ─── Protocol Phases ────────────────────────────────────────────────────── */
.protocol-phases { background: var(--void); }
.protocol-phase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 5rem 0;
  border-bottom: 1px solid var(--border);
}
.protocol-phase--alt { }
.protocol-phase--alt .phase-content { order: 2; }
.protocol-phase--alt .phase-visual { order: 1; }
.protocol-phase--premium { border-bottom: none; }

.phase-number {
  font-family: var(--font-display);
  font-size: 6rem;
  color: rgba(100,181,246,0.08);
  line-height: 1;
  margin-bottom: -1rem;
  user-select: none;
}
.phase-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ghost-blue);
  padding: 0.25rem 0.75rem;
  border: 1px solid var(--border-hover);
  border-radius: 100px;
  margin-bottom: 0.75rem;
}
.phase-tag--premium { color: var(--violet); border-color: rgba(171,71,188,0.3); }
.phase-name {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  color: var(--mist);
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}
.phase-subtitle { color: var(--mist-dim); font-size: 1rem; margin-bottom: 1rem; }
.phase-meta {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.phase-price {
  font-family: var(--font-ui);
  font-weight: 700;
  color: var(--ghost-blue);
  font-size: 0.95rem;
}
.phase-duration {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--mist-dim);
}
.phase-desc { margin-bottom: 1.75rem; }
.phase-deliverables { margin-bottom: 2rem; }
.phase-deliverables h4 {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mist-dim);
  margin-bottom: 0.75rem;
}
.phase-deliverables ul { display: flex; flex-direction: column; gap: 0.4rem; }
.phase-deliverables li {
  font-size: 0.9rem;
  color: var(--mist-dim);
  padding-left: 1rem;
  position: relative;
}
.phase-deliverables li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65rem;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--ghost-blue);
}

.phase-diagram {
  display: flex;
  align-items: center;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}
.diagram-node {
  padding: 0.75rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(26,26,46,0.5);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--mist-dim);
}
.diagram-node--active { border-color: var(--ghost-blue); color: var(--ghost-blue); background: var(--ghost-blue-dim); }
.diagram-arrow { color: var(--ghost-blue); font-size: 1.25rem; }

.possess-diagram {
  display: flex;
  align-items: center;
  gap: 2rem;
  justify-content: center;
}
.diagram-systems { display: flex; flex-direction: column; gap: 0.5rem; }
.diagram-system {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--mist-dim);
  background: rgba(26,26,46,0.4);
}
.diagram-ghost-center {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border: 1px solid var(--border-hover);
  border-radius: 50%;
  background: var(--ghost-blue-dim);
}

.uptime-ring { position: relative; display: flex; align-items: center; justify-content: center; }
.uptime-label {
  position: absolute;
  text-align: center;
}
.uptime-value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--ghost-blue);
}

.presence-uptime { display: flex; justify-content: center; }

.possession-visual {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.possession-dept {
  padding: 0.6rem;
  border: 1px solid var(--violet-dim);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--violet);
  text-align: center;
  background: var(--violet-dim);
}
.possession-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--mist-dim);
  text-align: center;
}

.protocol-cta { background: var(--smoke); text-align: center; }

/* ─── About ──────────────────────────────────────────────────────────────── */
.about-ryle { padding: 5rem 0; border-bottom: 1px solid var(--border); }
.ryle-quote {
  max-width: 700px;
  margin: 0 auto 3rem;
  text-align: center;
}
.ryle-quote-mark {
  font-family: var(--font-display);
  font-size: 5rem;
  color: var(--ghost-blue);
  line-height: 0.5;
  margin-bottom: 1.5rem;
  opacity: 0.4;
}
.ryle-quote blockquote p {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.7rem);
  color: var(--mist);
  line-height: 1.5;
  margin-bottom: 1rem;
}
.ryle-quote cite {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--mist-dim);
  font-style: normal;
}
.about-text {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.about-invisible { background: var(--smoke); }
.about-invisible-inner {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 5rem;
  align-items: center;
}
.about-invisible-text { display: flex; flex-direction: column; gap: 1.25rem; }
.about-invisible-stats { display: flex; flex-direction: column; gap: 1.5rem; }
.invisible-stat {
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(13,13,13,0.5);
}
.invisible-stat-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--ghost-blue);
  line-height: 1;
  margin-bottom: 0.4rem;
}
.invisible-stat-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mist-dim);
}

.about-security { border-top: 1px solid var(--border); }
.security-header { margin-bottom: 3rem; }
.security-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.security-card {
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgba(26,26,46,0.3);
  transition: border-color var(--transition);
}
.security-card:hover { border-color: var(--border-hover); }
.security-icon { margin-bottom: 1.25rem; }
.security-card h3 {
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 700;
  color: var(--mist);
  margin-bottom: 0.75rem;
}
.about-cta { text-align: center; background: var(--smoke); }

/* ─── Ghost Profiles ─────────────────────────────────────────────────────── */
.ghost-profiles { background: var(--void); }
.ghost-profile {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 3rem;
  padding: 4rem 0;
  border-bottom: 1px solid var(--border);
}
.ghost-profile:last-child { border-bottom: none; }
.ghost-profile--alt { background: rgba(26,26,46,0.2); border-radius: var(--radius-lg); padding: 3rem 2rem; margin: 0 -2rem; }

.ghost-profile-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgba(13,13,13,0.8);
  flex-shrink: 0;
  align-self: flex-start;
}
.ghost-profile-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.ghost-profile h2 {
  font-size: 2rem;
  color: var(--mist);
}
.ghost-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
}
.ghost-badge--blue { background: var(--ghost-blue-dim); color: var(--ghost-blue); border: 1px solid rgba(100,181,246,0.3); }
.ghost-badge--violet { background: var(--violet-dim); color: var(--violet); border: 1px solid rgba(171,71,188,0.3); }
.ghost-badge--cyan { background: var(--cyan-dim); color: var(--cyan); border: 1px solid rgba(0,229,255,0.25); }
.ghost-badge--green { background: rgba(102,187,106,0.12); color: var(--green); border: 1px solid rgba(102,187,106,0.25); }
.ghost-badge--amber { background: rgba(255,183,77,0.12); color: var(--amber); border: 1px solid rgba(255,183,77,0.25); }
.ghost-badge--pink { background: rgba(240,98,146,0.12); color: var(--pink); border: 1px solid rgba(240,98,146,0.25); }
.ghost-profile-def { margin-bottom: 1.75rem; font-size: 1.05rem; }

.ghost-use-cases { margin-bottom: 1.75rem; }
.ghost-use-cases h4 {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mist-dim);
  margin-bottom: 0.75rem;
}
.ghost-use-cases ul { display: flex; flex-direction: column; gap: 0.5rem; }
.ghost-use-cases li { font-size: 0.9rem; color: var(--mist-dim); }
.ghost-use-cases li strong { color: var(--mist); }

.ghost-profile-stats {
  display: flex;
  gap: 2rem;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(13,13,13,0.5);
}
.profile-stat { text-align: center; }
.profile-stat span {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--ghost-blue);
  line-height: 1;
  margin-bottom: 0.25rem;
}
.profile-stat small {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mist-dim);
}
.ghost-cta { background: var(--smoke); text-align: center; }

/* ─── Contact ────────────────────────────────────────────────────────────── */
.contact-section { background: var(--void); }
.contact-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 4rem;
  align-items: flex-start;
}
.contact-form-header h2 {
  font-size: 1.75rem;
  color: var(--mist);
  margin-bottom: 0.5rem;
}
.contact-form-header { margin-bottom: 2rem; }
.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mist-dim);
}
.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.75rem 1rem;
  background: rgba(26,26,46,0.5);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--mist);
  font-size: 0.95rem;
  transition: border-color var(--transition);
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--ghost-blue);
}
.form-group select option { background: var(--smoke); }
.form-group textarea { resize: vertical; }
.radio-group { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.radio-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--mist-dim);
  cursor: pointer;
}
.radio-label input[type=radio] { accent-color: var(--ghost-blue); }

.form-success {
  padding: 1rem 1.25rem;
  border: 1px solid var(--green);
  border-radius: var(--radius);
  background: rgba(102,187,106,0.08);
  color: var(--green);
  font-size: 0.9rem;
}
.form-error {
  padding: 1rem 1.25rem;
  border: 1px solid var(--red);
  border-radius: var(--radius);
  background: rgba(239,83,80,0.08);
  color: var(--red);
  font-size: 0.9rem;
}

.contact-info { display: flex; flex-direction: column; gap: 2.5rem; }
.contact-protocol-preview h3,
.contact-who h3 {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mist-dim);
  margin-bottom: 1.5rem;
}
.protocol-step { display: flex; gap: 1rem; margin-bottom: 1.25rem; }
.protocol-step-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ghost-blue);
  flex-shrink: 0;
  padding-top: 0.1rem;
}
.protocol-step-content strong {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--mist);
  margin-bottom: 0.3rem;
}
.protocol-step-content p { font-size: 0.875rem; }
.contact-who ul { display: flex; flex-direction: column; gap: 0.5rem; }
.contact-who li {
  font-size: 0.875rem;
  color: var(--mist-dim);
  padding-left: 1rem;
  position: relative;
}
.contact-who li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6rem;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--ghost-blue);
}

/* ─── Transmissions ──────────────────────────────────────────────────────── */
.transmissions-section { background: var(--void); }
.transmissions-grid { display: flex; flex-direction: column; gap: 0; margin-bottom: 4rem; }
.transmission-card {
  padding: 3rem 0;
  border-bottom: 1px solid var(--border);
  max-width: 760px;
}
.transmission-card:first-child { padding-top: 1rem; }
.transmission-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}
.transmission-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ghost-blue);
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--border-hover);
  border-radius: 100px;
}
.transmission-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--mist-dim);
}
.transmission-title {
  font-size: clamp(1.25rem, 2.5vw, 1.8rem);
  color: var(--mist);
  margin-bottom: 0.75rem;
  line-height: 1.25;
}
.transmission-excerpt { margin-bottom: 1.5rem; font-size: 1rem; }
.transmission-body { display: flex; flex-direction: column; gap: 1rem; }
.transmission-body p { font-size: 0.95rem; }
.transmission-body ul { display: flex; flex-direction: column; gap: 0.5rem; padding-left: 0; }
.transmission-body li { font-size: 0.9rem; color: var(--mist-dim); padding-left: 1.25rem; position: relative; }
.transmission-body li::before { content: ''; position: absolute; left: 0; top: 0.6rem; width: 4px; height: 4px; border-radius: 50%; background: var(--ghost-blue); }
.transmission-body strong { color: var(--mist); }
.transmission-body em { color: var(--ghost-blue); font-style: italic; }

.transmissions-subscribe { max-width: 560px; }
.subscribe-card {
  padding: 2.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgba(26,26,46,0.4);
}
.subscribe-card h3 { font-size: 1.5rem; color: var(--mist); margin-bottom: 0.5rem; }
.subscribe-card p { margin-bottom: 1.5rem; }
.subscribe-form { display: flex; flex-direction: column; gap: 0.75rem; }
.subscribe-form input {
  padding: 0.75rem 1rem;
  background: rgba(13,13,13,0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--mist);
  font-size: 0.95rem;
  transition: border-color var(--transition);
  width: 100%;
}
.subscribe-form input:focus { outline: none; border-color: var(--ghost-blue); }
.subscribe-success {
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  padding: 0.75rem;
  border: 1px solid var(--green);
  border-radius: var(--radius);
  background: rgba(102,187,106,0.08);
}

/* ─── Footer ─────────────────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  background: linear-gradient(to bottom, var(--smoke), var(--void));
}
.footer-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 4rem 24px 2rem;
  display: grid;
  grid-template-columns: 2fr 3fr 2fr;
  gap: 3rem;
  align-items: flex-start;
}
.footer-tagline {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(245,245,245,0.3);
  margin-top: 0.75rem;
}
.footer-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.footer-col h4 {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mist-dim);
  margin-bottom: 1rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-col a {
  font-size: 0.875rem;
  color: rgba(245,245,245,0.4);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--ghost-blue); }
.footer-cta p {
  font-size: 0.875rem;
  margin-bottom: 1rem;
  color: var(--mist-dim);
}
.footer-bottom {
  max-width: 1160px;
  margin: 0 auto;
  padding: 1.5rem 24px 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-bottom p {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(245,245,245,0.2);
}
.footer-quote { font-size: 0.78rem !important; color: rgba(245,245,245,0.15) !important; }

/* ─── Chatbot ────────────────────────────────────────────────────────────── */
.chatbot-widget {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 200;
}
.chatbot-toggle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(13,13,13,0.9);
  border: 1px solid var(--border-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  position: relative;
  backdrop-filter: blur(8px);
}
.chatbot-toggle:hover {
  border-color: var(--ghost-blue);
  box-shadow: 0 0 24px var(--ghost-blue-glow);
}
.chatbot-pulse {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ghost-blue);
  animation: chatbot-pulse 2.5s ease-in-out infinite;
}
@keyframes chatbot-pulse {
  0%, 100% { transform: scale(1); opacity: 1; box-shadow: 0 0 0 0 var(--ghost-blue-glow); }
  50% { transform: scale(1.1); opacity: 0.8; box-shadow: 0 0 0 8px rgba(100,181,246,0); }
}
.chatbot-panel {
  position: absolute;
  bottom: 68px;
  right: 0;
  width: 340px;
  background: rgba(13,13,13,0.97);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,0.6);
}
.chatbot-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--border);
  background: rgba(26,26,46,0.6);
}
.chatbot-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--mist-dim);
}
.chatbot-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ghost-blue);
  animation: pulse-live 2s ease-in-out infinite;
}
.chatbot-close {
  color: var(--mist-dim);
  font-size: 1rem;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  transition: all var(--transition);
}
.chatbot-close:hover { background: var(--ghost-blue-dim); color: var(--mist); }
.chatbot-messages {
  padding: 1rem;
  max-height: 220px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.chatbot-msg { max-width: 90%; }
.chatbot-msg--bot { align-self: flex-start; }
.chatbot-msg--user { align-self: flex-end; }
.chatbot-msg p {
  font-size: 0.875rem;
  line-height: 1.55;
  padding: 0.6rem 0.9rem;
  border-radius: var(--radius);
  color: var(--mist);
}
.chatbot-msg--bot p { background: rgba(26,26,46,0.8); border: 1px solid var(--border); }
.chatbot-msg--user p { background: var(--ghost-blue); color: var(--void); }

.chatbot-lead-form { padding: 0.75rem 1rem; border-top: 1px solid var(--border); }
.chatbot-step { display: flex; gap: 0.5rem; }
.chatbot-step input,
.chatbot-step select {
  flex: 1;
  padding: 0.5rem 0.75rem;
  background: rgba(26,26,46,0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--mist);
  font-size: 0.85rem;
}
.chatbot-step input:focus,
.chatbot-step select:focus { outline: none; border-color: var(--ghost-blue); }
.chatbot-step button {
  padding: 0.5rem 0.75rem;
  background: var(--ghost-blue);
  color: var(--void);
  border-radius: var(--radius);
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  transition: background var(--transition);
}
.chatbot-step button:hover { background: #90CAF9; }

.chatbot-input-area { padding: 0.75rem 1rem; border-top: 1px solid var(--border); }
.chatbot-input-row { display: flex; gap: 0.5rem; }
#chatbotInput {
  flex: 1;
  padding: 0.5rem 0.75rem;
  background: rgba(26,26,46,0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--mist);
  font-size: 0.875rem;
}
#chatbotInput:focus { outline: none; border-color: var(--ghost-blue); }
#chatbotSend {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(26,26,46,0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}
#chatbotSend:hover { border-color: var(--ghost-blue); background: var(--ghost-blue-dim); }

/* ─── Scroll Reveal ──────────────────────────────────────────────────────── */
.reveal-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  transition-delay: var(--delay, 0s);
}
.reveal-up.visible {
  opacity: 1;
  transform: none;
}

/* ─── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .philosophy-grid { grid-template-columns: repeat(2, 1fr); }
  .ghost-grid { grid-template-columns: repeat(2, 1fr); }
  .protocol-phase { grid-template-columns: 1fr; gap: 2rem; }
  .protocol-phase--alt .phase-content { order: 1; }
  .protocol-phase--alt .phase-visual { order: 2; }
  .about-invisible-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: rgba(13,13,13,0.98);
    flex-direction: column;
    padding: 2rem;
    gap: 1.25rem;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .philosophy-grid { grid-template-columns: 1fr; }
  .ghost-grid { grid-template-columns: 1fr; }
  .signal-stats { grid-template-columns: 1fr; }
  .report-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .security-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .ghost-profile { grid-template-columns: 1fr; }
  .ghost-profile-icon { display: none; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-nav { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { flex-direction: column; text-align: center; }
  .chatbot-panel { width: 300px; right: -1rem; }
  .integration-diagram { flex-direction: column; }
  .log-entry { grid-template-columns: 80px 1fr; }
  .log-status { display: none; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: center; }
  .cta-actions { flex-direction: column; }
  .hero-heading { font-size: 2.25rem; }
  .footer-nav { grid-template-columns: 1fr; }
  .phase-meta { flex-direction: column; gap: 0.5rem; }
}