:root {
  --navy: #0a1628;
  --navy-mid: #112240;
  --navy-light: #1a3460;
  --gold: #c9a84c;
  --gold-light: #e8c97a;
  --gold-dim: rgba(201, 168, 76, 0.07);
  --cream: #f5f0e8;
  --cream-muted: #b8b0a0;
  --white: #ffffff;
  --border: rgba(201, 168, 76, 0.15);
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans: 'DM Sans', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--navy);
  color: var(--cream);
  overflow-x: hidden;
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--navy); }
::-webkit-scrollbar-thumb { background: rgba(201, 168, 76, 0.4); border-radius: 3px; }

/* ── NAVIGATION ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.3rem 4rem;
  background: rgba(10, 22, 40, 0.92);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}

.logo {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--white);
}
.logo span { color: var(--gold); }

nav ul { display: flex; gap: 2.5rem; list-style: none; }
nav ul a {
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cream-muted);
  text-decoration: none;
  transition: color 0.2s;
}
nav ul a:hover { color: var(--gold); }

/* ── SHARED SECTION ELEMENTS ── */
.section-header { margin-bottom: 1.5rem; }

.section-label {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
}

.section-headline {
  font-family: var(--serif);
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  font-weight: 500;
  line-height: 1.2;
  color: var(--white);
  margin-bottom: 1.25rem;
}

.section-body {
  font-size: 1rem;
  color: var(--cream-muted);
  max-width: 660px;
  line-height: 1.8;
}

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 5rem 4rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  width: 1px;
  height: 100%;
  background: linear-gradient(to bottom, transparent, var(--border) 30%, var(--border) 70%, transparent);
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  height: 460px;
}

.runway-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201,168,76,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,0.08) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to right, transparent 0%, rgba(0,0,0,0.5) 50%, transparent 100%);
}

.needle-silhouette {
  position: relative;
  width: 6px;
  height: 340px;
  background: linear-gradient(to top, rgba(201,168,76,0.9) 0%, rgba(201,168,76,0.6) 60%, transparent 100%);
  border-radius: 3px 3px 0 0;
  animation: needle-breathe 6s ease-in-out infinite alternate;
}

.needle-silhouette::before,
.needle-silhouette::after {
  content: '';
  position: absolute;
}

/* left wing */
.needle-wing-left {
  position: absolute;
  bottom: 120px;
  right: 6px;
  width: 180px;
  height: 2px;
  background: linear-gradient(to left, rgba(201,168,76,0.7), transparent);
  transform: rotate(-18deg);
  transform-origin: right center;
}

/* right wing */
.needle-wing-right {
  position: absolute;
  bottom: 120px;
  left: 6px;
  width: 180px;
  height: 2px;
  background: linear-gradient(to right, rgba(201,168,76,0.7), transparent);
  transform: rotate(18deg);
  transform-origin: left center;
}

/* tail section */
.needle-silhouette::after {
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 220px;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(201,168,76,0.5), transparent);
}

@keyframes needle-breathe {
  from { transform: scaleY(0.97) translateY(4px); }
  to { transform: scaleY(1) translateY(0); }
}

.concorde-label {
  position: absolute;
  bottom: 0;
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.4;
  font-family: var(--sans);
  font-weight: 400;
}

.hero-content { padding-left: 3.5rem; }

.hero-tag {
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.hero-headline {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 500;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--cream-muted);
  max-width: 460px;
  line-height: 1.75;
  margin-bottom: 2.5rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 2rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stat { padding: 0 2rem 0 0; }
.stat:first-child { padding-left: 0; }

.stat-num {
  font-family: var(--serif);
  font-size: 1.7rem;
  font-weight: 500;
  color: var(--gold);
  line-height: 1;
  display: block;
  margin-bottom: 0.35rem;
}

.stat-label {
  font-size: 0.7rem;
  color: var(--cream-muted);
  letter-spacing: 0.05em;
  display: block;
}

.stat-divider {
  width: 1px;
  height: 44px;
  background: var(--border);
  margin: 0 2rem 0 0;
  flex-shrink: 0;
}

.hero-disclosure {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.disclosure-badge {
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid rgba(201,168,76,0.25);
  padding: 0.35rem 0.85rem;
  border-radius: 2px;
}

/* ── PROBLEM ── */
.problem { padding: 8rem 4rem; }

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.problem-card {
  background: var(--navy-mid);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 2rem;
}

.problem-num {
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 1rem;
  display: block;
  font-weight: 500;
}

.problem-card h3 {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--white);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.problem-card p {
  font-size: 0.88rem;
  color: var(--cream-muted);
  line-height: 1.7;
}

.problem-quote {
  border-left: 2px solid var(--gold);
  padding: 1.25rem 2rem;
  background: rgba(201,168,76,0.04);
  max-width: 680px;
  border-radius: 0 3px 3px 0;
}

.problem-quote blockquote {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--cream);
  line-height: 1.55;
  margin-bottom: 0.75rem;
}

.problem-quote cite {
  font-size: 0.75rem;
  color: var(--cream-muted);
  letter-spacing: 0.05em;
}

/* ── PLATFORM ── */
.platform {
  padding: 8rem 4rem;
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-mid) 100%);
}

.platform-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.75rem;
  margin-top: 2.5rem;
}

.platform-feature {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.feature-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 50%;
}

.platform-feature h4 {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 500;
  color: var(--white);
  margin-bottom: 0.4rem;
}

.platform-feature p {
  font-size: 0.85rem;
  color: var(--cream-muted);
  line-height: 1.7;
}

/* ── AGENTS ── */
.agents {
  padding: 8rem 4rem;
  background: var(--navy-mid);
  position: relative;
}

.agents::before {
  content: '';
  position: absolute;
  top: 0; left: 4rem; right: 4rem;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--gold) 30%, var(--gold) 70%, transparent);
  opacity: 0.25;
}

.agents-flow {
  display: flex;
  align-items: flex-start;
  overflow-x: auto;
  padding: 2rem 0 1.5rem;
  margin: 2rem 0;
  gap: 0;
  scrollbar-width: none;
}

.agents-flow::-webkit-scrollbar { display: none; }

.agent-node {
  flex: 0 0 188px;
  background: var(--navy);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1.5rem 1.25rem;
  text-align: center;
}

.agent-icon { margin: 0 auto 0.75rem; }

.agent-node h4 {
  font-family: var(--serif);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.agent-node p {
  font-size: 0.76rem;
  color: var(--cream-muted);
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.agent-detail {
  font-size: 0.62rem;
  color: var(--gold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.7;
}

.agent-connector {
  display: flex;
  align-items: center;
  flex: 0 0 20px;
  padding-top: 1.5rem;
}

.connector-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--gold), rgba(201,168,76,0.2));
}

.connector-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0.5;
  margin: 0 3px;
}

.certificate-callout {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  background: rgba(201,168,76,0.05);
  border: 1px solid rgba(201,168,76,0.2);
  border-radius: 3px;
  padding: 2rem;
  margin-top: 2rem;
  max-width: 800px;
}

.certificate-icon { flex-shrink: 0; }

.certificate-callout h3 {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--white);
  margin-bottom: 0.75rem;
}

.certificate-callout p {
  font-size: 0.88rem;
  color: var(--cream-muted);
  line-height: 1.7;
}

/* ── PROCESS ── */
.process { padding: 8rem 4rem; }

.process-steps {
  display: flex;
  align-items: center;
  margin: 2.5rem 0;
  overflow-x: auto;
  padding-bottom: 1rem;
  scrollbar-width: none;
}

.process-steps::-webkit-scrollbar { display: none; }

.step { flex: 0 0 260px; display: flex; gap: 1rem; align-items: flex-start; }

.step-num {
  font-family: var(--serif);
  font-size: 2.5rem;
  font-weight: 500;
  color: var(--gold);
  line-height: 1;
  flex-shrink: 0;
  opacity: 0.25;
}

.step-body h4 {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.step-body p {
  font-size: 0.82rem;
  color: var(--cream-muted);
  line-height: 1.65;
}

.step-track { flex: 0 0 50px; display: flex; align-items: center; padding-top: 0.5rem; }

.track-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, rgba(201,168,76,0.4), transparent);
}

.pricing-note {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--navy-mid);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1.25rem 1.75rem;
  margin-top: 1.5rem;
  max-width: 700px;
}

.pricing-left { flex: 1; }
.pricing-label { font-size: 0.85rem; color: var(--cream-muted); }

.pricing-right { flex-shrink: 0; }
.pricing-value { font-size: 0.75rem; color: var(--gold); letter-spacing: 0.06em; }

.pricing-sub { font-size: 0.75rem; color: var(--cream-muted); opacity: 0.5; margin-top: 0.25rem; }

/* ── PRINCIPLES ── */
.principles {
  padding: 8rem 4rem;
  background: linear-gradient(180deg, var(--navy-mid) 0%, var(--navy) 100%);
}

.principles-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 2rem 0;
}

.principle {
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: rgba(255,255,255,0.015);
}

.principle-icon { margin-bottom: 0.85rem; }

.principle h4 {
  font-family: var(--serif);
  font-size: 1.02rem;
  font-weight: 500;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.principle p {
  font-size: 0.84rem;
  color: var(--cream-muted);
  line-height: 1.65;
}

.guardrails {
  background: rgba(201,168,76,0.04);
  border: 1px solid rgba(201,168,76,0.18);
  border-radius: 3px;
  padding: 1.75rem 2rem;
  margin-top: 2rem;
  max-width: 680px;
}

.guardrails-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.guardrails h4 {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--gold);
}

.guardrails-body {
  font-size: 0.82rem;
  color: var(--cream-muted);
  margin-bottom: 0.75rem;
}

.guardrails-items {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin-bottom: 1rem;
}

.guardrails-items span {
  font-size: 0.8rem;
  color: var(--cream-muted);
  position: relative;
  padding-left: 1rem;
}

.guardrails-items span::before {
  content: '-';
  position: absolute;
  left: 0;
  color: var(--gold);
  opacity: 0.5;
}

.guardrails-note {
  font-size: 0.75rem;
  color: var(--cream-muted);
  opacity: 0.5;
  border-top: 1px solid var(--border);
  padding-top: 0.85rem;
  font-style: italic;
}

/* ── OUTCOMES ── */
.outcomes {
  padding: 5rem 4rem;
  background: var(--gold-dim);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.outcomes-inner {
  display: flex;
  align-items: center;
  max-width: 920px;
  margin: 0 auto;
}

.outcome-block { flex: 1; padding: 0 2.5rem; }
.outcome-block:first-child { padding-left: 0; }
.outcome-block:last-child { padding-right: 0; }

.outcome-num {
  font-family: var(--serif);
  font-size: 2.2rem;
  font-weight: 500;
  color: var(--gold);
  display: block;
  margin-bottom: 0.75rem;
  line-height: 1;
}

.outcome-label {
  font-size: 0.8rem;
  color: var(--cream-muted);
  line-height: 1.6;
}

.outcome-sep {
  width: 1px;
  height: 60px;
  background: var(--border);
  flex-shrink: 0;
}

/* ── CLOSING ── */
.closing {
  padding: 9rem 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.closing::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 60% at 50% 50%, rgba(201,168,76,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.closing h2 {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 500;
  color: var(--white);
  margin-bottom: 1.25rem;
  line-height: 1.25;
  position: relative;
}

.closing p {
  font-size: 1rem;
  color: var(--cream-muted);
  max-width: 520px;
  margin: 0 auto 2.5rem;
  line-height: 1.75;
  position: relative;
}

.closing-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.55;
  position: relative;
}

.pill-sep { opacity: 0.3; }

/* ── FOOTER ── */
footer {
  padding: 3.5rem 4rem;
  border-top: 1px solid var(--border);
}

.footer-logo {
  font-family: var(--serif);
  font-size: 1.15rem;
  letter-spacing: 0.14em;
  color: var(--white);
  margin-bottom: 0.5rem;
}
.footer-logo span { color: var(--gold); }

.footer-tagline {
  font-size: 0.85rem;
  color: var(--cream-muted);
  margin-bottom: 0.75rem;
}

.footer-meta {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.4;
  margin-bottom: 1rem;
}

.footer-disclosure {
  font-size: 0.7rem;
  color: var(--cream-muted);
  opacity: 0.35;
  max-width: 500px;
  line-height: 1.55;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  nav { padding: 1rem 1.5rem; }
  nav ul { display: none; }

  .hero {
    grid-template-columns: 1fr;
    padding: 6rem 1.5rem 4rem;
    min-height: auto;
  }

  .hero-visual { display: none; }
  .hero-content { padding: 0; }

  .problem, .platform, .agents, .process, .principles, .closing, footer {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }

  .problem-grid,
  .platform-features,
  .principles-grid { grid-template-columns: 1fr; }

  .agents-flow {
    flex-direction: column;
    align-items: stretch;
  }

  .agent-connector { display: none; }
  .agent-node { flex: none; width: 100%; }

  .process-steps { flex-direction: column; align-items: flex-start; }
  .step-track { display: none; }

  .outcomes-inner { flex-direction: column; gap: 2rem; }
  .outcome-sep { width: 60px; height: 1px; }
}

@media (max-width: 480px) {
  body { font-size: 15px; }
  .hero-stats { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .stat-divider { display: none; }
  .stat { padding: 0; }
}