/* ---------- Tokens ---------- */
:root {
  --ink: #0C1420;
  --ink-raised: #101A28;
  --border-dark: #1A2836;
  --muted: #3A5566;
  --dim-mono: #5E7280;
  --text-dark-secondary: #8FA6B2;
  --cyan: #4FB8CE;
  --cyan-hover: #7DCBDC;
  --paper: #F2F5F4;
  --white: #FFFFFF;
  --border-light: #D5DBD9;
  --text-light-body: #33404A;
  --text-on-cyan: #14313A;
  /* Reserved for a future live alert-severity demo — never used in marketing UI. */
  --alert-red: #C6442E;
  --alert-orange: #D9822B;
  --alert-yellow: #C9A227;
  --alert-green: #4E8F5B;
}

/* ---------- Reset ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font: 400 16px/1.6 'IBM Plex Sans', sans-serif;
}
img { max-width: 100%; display: block; }
a { color: var(--cyan); text-decoration: none; }
a:hover { color: var(--cyan-hover); }
h1, h2, h3, p { margin: 0; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--cyan);
  color: var(--ink);
  padding: 10px 16px;
  z-index: 100;
}
.skip-link:focus { left: 0; }

/* ---------- Layout ---------- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
.section { padding: 100px 0; border-bottom: 1px solid var(--border-dark); }
.section--tight { padding: 90px 0; }
.section--light { background: var(--paper); color: var(--text-light-body); border-bottom: none; }
.section--raised { background: var(--ink-raised); }

.eyebrow {
  display: block;
  font: 400 12px/1 'IBM Plex Mono', monospace;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dim-mono);
  margin-bottom: 14px;
}

h2 {
  font: 500 40px/1.15 'Space Grotesk', sans-serif;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin-bottom: 24px;
}
.section--light h2 { color: var(--ink); }

.cyan { color: var(--cyan); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font: 500 13px/1 'IBM Plex Mono', monospace;
  letter-spacing: 0.08em;
  padding: 15px 26px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  background: transparent;
}
.btn-primary { background: var(--cyan); color: var(--ink); }
.btn-primary:hover { background: var(--cyan-hover); color: var(--ink); }
.btn-outline { border-color: var(--muted); color: var(--paper); }
.btn-outline:hover { border-color: var(--cyan); color: var(--cyan); }
.btn-outline-ink { border-color: var(--ink); border-width: 1.5px; color: var(--ink); }
.btn-outline-ink:hover { background: var(--ink); color: var(--paper); }
.btn-ink { background: var(--ink); color: var(--paper); }
.btn-ink:hover { background: var(--border-dark); color: var(--paper); }
.btn-sm { padding: 9px 16px; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* ---------- Logo ---------- */
.logo { display: flex; align-items: center; gap: 12px; }
.logo-mark { display: flex; gap: 3px; align-items: flex-start; }
.logo-bar { width: 5px; height: 22px; background: var(--paper); }
.logo-square { width: 5px; height: 5px; background: var(--cyan); margin-top: 4px; }
.logo-word { font: 500 19px 'Space Grotesk', sans-serif; letter-spacing: -0.02em; color: var(--paper); }
.logo--sm .logo-word { font-size: 17px; }

/* ---------- Morse strip motif ---------- */
.morse { display: flex; align-items: center; gap: 7px; }
.morse .dash { width: 26px; height: 7px; background: var(--muted); }
.morse .dash.cyan { background: var(--cyan); }
.morse .dot { width: 7px; height: 7px; background: var(--muted); }
.morse .gap { width: 16px; }
.morse--sm .dash { width: 20px; height: 5px; }
.morse--sm .dot { width: 5px; height: 5px; }
.morse--sm .gap { width: 12px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--ink);
  border-bottom: 1px solid var(--border-dark);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 18px 32px; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a:not(.btn) {
  font: 400 12px/1 'IBM Plex Mono', monospace;
  letter-spacing: 0.1em;
  color: var(--text-dark-secondary);
}
.nav-links a:not(.btn):hover { color: var(--paper); }

@media (max-width: 760px) {
  .nav-links { gap: 16px; flex-wrap: wrap; justify-content: flex-end; }
}

/* ---------- Hero ---------- */
.hero-inner { padding: 110px 32px 100px; display: flex; flex-direction: column; gap: 28px; }
.hero-h1 {
  font: 500 64px/1.08 'Space Grotesk', sans-serif;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 820px;
}
.hero-sub { font: 400 19px/1.6 'IBM Plex Sans', sans-serif; color: var(--text-dark-secondary); max-width: 640px; }
.hero-actions { display: flex; gap: 14px; margin-top: 8px; }

@media (max-width: 760px) {
  .hero-h1 { font-size: 40px; }
}

/* ---------- Proof module ---------- */
.proof .container { padding: 90px 32px; }
.proof-h2 {
  font: 500 34px/1.2 'Space Grotesk', sans-serif;
  letter-spacing: -0.01em;
  color: var(--paper);
  max-width: 720px;
  margin-bottom: 40px;
}
.proof-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.proof-card {
  background: var(--ink);
  border: 1px solid var(--border-dark);
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.proof-quote { font: 400 17px/1.5 'Space Grotesk', sans-serif; color: var(--paper); }
.proof-source { font: 400 11px/1.5 'IBM Plex Mono', monospace; color: var(--dim-mono); margin-top: auto; }
.proof-card--stat { background: var(--cyan); border: none; justify-content: center; gap: 8px; }
.proof-stat-number { font: 700 52px 'Space Grotesk', sans-serif; letter-spacing: -0.02em; color: var(--ink); }
.proof-stat-caption { font: 400 14px/1.5 'IBM Plex Sans', sans-serif; color: var(--ink); }

@media (max-width: 900px) {
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .proof-grid { grid-template-columns: 1fr; }
}

/* ---------- Problem ---------- */
.problem-h2 { max-width: 700px; }
.problem-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.problem-copy { display: flex; flex-direction: column; gap: 18px; }
.problem-copy p { font: 400 16px/1.7 'IBM Plex Sans', sans-serif; color: var(--text-light-body); }

.problem-panel { background: var(--ink); padding: 36px; display: flex; flex-direction: column; gap: 26px; }
.problem-panel-label { font: 400 11px 'IBM Plex Mono', monospace; letter-spacing: 0.14em; color: var(--dim-mono); }
.bar-list { display: flex; flex-direction: column; gap: 18px; }
.bar-row { display: flex; flex-direction: column; gap: 6px; }
.bar-row-label { display: flex; justify-content: space-between; font: 400 13px 'IBM Plex Mono', monospace; color: var(--paper); }
.bar-track { height: 10px; background: var(--border-dark); }
.bar-fill { height: 10px; }
.problem-panel-caption {
  font: 400 13px/1.6 'IBM Plex Sans', sans-serif;
  color: var(--text-dark-secondary);
  border-top: 1px solid var(--border-dark);
  padding-top: 18px;
}

@media (max-width: 900px) {
  .problem-grid { grid-template-columns: 1fr; }
}

/* ---------- Platform ---------- */
.platform-h2 { max-width: 760px; margin-bottom: 16px; }
.platform-intro { font: 400 17px/1.6 'IBM Plex Sans', sans-serif; color: var(--text-dark-secondary); max-width: 620px; margin-bottom: 48px; }

.capability-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 72px; }
.capability { border: 1px solid var(--border-dark); background: var(--ink-raised); }
.capability-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 22px 26px;
  cursor: pointer;
  background: none;
  border: none;
  text-align: left;
  font-family: inherit;
  color: inherit;
}
.capability-trigger:hover { background: #14202E; }
.capability-num { font: 500 13px 'IBM Plex Mono', monospace; color: var(--cyan); width: 28px; flex-shrink: 0; }
.capability-title { font: 500 19px 'Space Grotesk', sans-serif; color: var(--paper); }
.capability-plain {
  font: 400 14px 'IBM Plex Sans', sans-serif;
  color: var(--text-dark-secondary);
  margin-left: auto;
  margin-right: 18px;
  text-align: right;
  max-width: 420px;
}
.capability-chevron { font: 400 16px 'IBM Plex Mono', monospace; color: var(--dim-mono); flex-shrink: 0; }

.capability-detail {
  max-height: 0;
  overflow: hidden;
  padding: 0 26px 0 74px;
  font: 400 15px/1.7 'IBM Plex Sans', sans-serif;
  color: var(--text-dark-secondary);
  max-width: 780px;
  border-top: 0 solid var(--border-dark);
  transition: max-height 0.2s ease-out;
}
.capability.is-open .capability-detail {
  max-height: 300px;
  padding-bottom: 24px;
  padding-top: 18px;
  border-top-width: 1px;
}
@media (prefers-reduced-motion: reduce) {
  .capability-detail { transition: none; }
}

.diagram-eyebrow { margin-top: 0; margin-bottom: 20px; }
.io-diagram { display: grid; grid-template-columns: 1fr auto 1.1fr auto 1fr; gap: 0; align-items: stretch; }
.io-panel { border: 1px solid var(--border-dark); padding: 28px; display: flex; flex-direction: column; gap: 16px; }
.io-panel--center { border-color: var(--cyan); background: var(--ink-raised); }
.io-panel-label { font: 500 13px 'IBM Plex Mono', monospace; letter-spacing: 0.12em; color: var(--text-dark-secondary); }
.io-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font: 400 12px 'IBM Plex Mono', monospace; color: var(--paper); border: 1px solid var(--muted); padding: 6px 10px; }
.io-arrow { display: flex; align-items: center; justify-content: center; padding: 0 14px; font: 400 20px 'IBM Plex Mono', monospace; color: var(--cyan); }
.io-center-label { display: flex; align-items: center; gap: 10px; font: 500 13px 'IBM Plex Mono', monospace; letter-spacing: 0.12em; color: var(--cyan); }
.io-center-list { display: flex; flex-direction: column; gap: 8px; font: 400 13px/1.5 'IBM Plex Sans', sans-serif; color: var(--paper); }
.logo-mark--sm .logo-bar--sm { width: 4px; height: 16px; }
.logo-mark--sm .logo-square--sm { width: 4px; height: 4px; margin-top: 3px; }
.logo-mark--sm { gap: 2px; }

@media (max-width: 900px) {
  .capability-trigger { flex-wrap: wrap; }
  .capability-plain { margin-left: 48px; text-align: left; max-width: 100%; }
  .io-diagram { grid-template-columns: 1fr; }
  .io-arrow { transform: rotate(90deg); padding: 8px 0; }
}

/* ---------- Why now ---------- */
.why-h2 { max-width: 720px; margin-bottom: 48px; }
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.why-card { border: 1px solid var(--border-light); background: var(--white); padding: 28px; display: flex; flex-direction: column; gap: 12px; }
.why-kicker { font: 500 12px 'IBM Plex Mono', monospace; letter-spacing: 0.12em; color: var(--cyan); }
.why-title { font: 500 19px 'Space Grotesk', sans-serif; color: var(--ink); }
.why-body { font: 400 14px/1.6 'IBM Plex Sans', sans-serif; color: var(--text-light-body); }

@media (max-width: 900px) {
  .why-grid { grid-template-columns: 1fr; }
}

/* ---------- Pilot ---------- */
.pilot-h2 { max-width: 720px; }
.pilot-intro { font: 400 17px/1.6 'IBM Plex Sans', sans-serif; color: var(--text-dark-secondary); max-width: 640px; margin-bottom: 48px; }
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--border-dark); margin-bottom: 40px; }
.timeline-item { padding: 28px; border-right: 1px solid var(--border-dark); display: flex; flex-direction: column; gap: 10px; }
.timeline-item--last { border-right: none; }
.timeline-quarter { font: 500 13px 'IBM Plex Mono', monospace; color: var(--cyan); }
.timeline-title { font: 500 17px 'Space Grotesk', sans-serif; color: var(--paper); }
.timeline-body { font: 400 13px/1.6 'IBM Plex Sans', sans-serif; color: var(--text-dark-secondary); }

@media (max-width: 900px) {
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .timeline-item:nth-child(2) { border-right: none; }
}
@media (max-width: 560px) {
  .timeline { grid-template-columns: 1fr; }
  .timeline-item { border-right: none; border-bottom: 1px solid var(--border-dark); }
  .timeline-item--last { border-bottom: none; }
}

/* ---------- Contact ---------- */
.contact { background: var(--cyan); }
.contact-grid { padding: 90px 32px; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-col { display: flex; flex-direction: column; gap: 16px; align-items: flex-start; }
.contact-kicker { font: 500 12px 'IBM Plex Mono', monospace; letter-spacing: 0.14em; color: var(--ink); }
.contact-headline { font: 500 30px/1.2 'Space Grotesk', sans-serif; letter-spacing: -0.01em; color: var(--ink); }
.contact-body { font: 400 15px/1.6 'IBM Plex Sans', sans-serif; color: var(--text-on-cyan); }
.contact-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* Single-audience contact section (2026-07-26) — the investor column is
   gone, so this centers the one remaining column instead of leaving an
   empty second grid track. */
.contact-grid--single { grid-template-columns: 1fr; max-width: 640px; }

@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); border-top: 1px solid var(--border-dark); }
.footer-inner { padding: 48px 32px; display: flex; flex-direction: column; gap: 28px; }
.footer-row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
.footer-row--bottom { border-top: 1px solid var(--border-dark); padding-top: 24px; }
.morse--muted .dash, .morse--muted .dot { background: var(--muted); }
.footer-sources { font: 400 12px/1.7 'IBM Plex Mono', monospace; color: var(--dim-mono); }
.footer-copyright { font: 400 12px 'IBM Plex Mono', monospace; color: var(--dim-mono); }

/* ---------- Contact modal ---------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(12, 20, 32, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 200;
}
.modal-backdrop[hidden] {
  display: none;
}
.modal {
  position: relative;
  background: var(--ink-raised);
  border: 1px solid var(--border-dark);
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 36px;
}
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  color: var(--text-dark-secondary);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  padding: 4px;
}
.modal-close:hover { color: var(--paper); }
.modal-title { font: 500 24px/1.2 'Space Grotesk', sans-serif; color: var(--paper); margin: 8px 0 20px; }
.field-hp { position: absolute; left: -9999px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; font: 400 13px 'IBM Plex Mono', monospace; letter-spacing: 0.05em; color: var(--text-dark-secondary); }
.field[hidden] { display: none; }
.field input, .field textarea {
  font: 400 15px 'IBM Plex Sans', sans-serif;
  color: var(--paper);
  background: var(--ink);
  border: 1px solid var(--border-dark);
  padding: 10px 12px;
}
.field input:focus, .field textarea:focus { outline: 1px solid var(--cyan); border-color: var(--cyan); }
.form-error { color: var(--cyan); font: 400 13px/1.5 'IBM Plex Sans', sans-serif; margin-bottom: 16px; }