/* ROBA OS apex LP — UXD-aligned tokens 2026-10-07
   Cool gray-white + navy CTAs. Self-contained. No CDN. No peach/crimson. */

:root {
  --bg: #F4F6F8;
  --card: #FFFFFF;
  --ink: #0F172A;
  --muted: #64748B;
  --hairline: #E2E8F0;
  --navy: #1E3A5F;
  --navy-deep: #172554;
  --cta-label: #F8FAFC;
  --soft: #E8EEF4;
  /* aliases kept for GM section class names */
  --navy-mid: #172554;
  --navy-soft: #1E3A5F;
  --line: var(--hairline);
  --surface: var(--bg);
  --white: var(--card);
  --accent: var(--navy);
  --banner-bg: #FEF3C7;
  --banner-ink: #92400E;
  --banner-line: #F59E0B;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px rgba(15, 23, 42, 0.05);
  --max: 1080px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--navy);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

a:hover {
  color: var(--navy-deep);
}

a:focus-visible,
button:focus-visible,
.btn:focus-visible {
  outline: 3px solid #93C5FD;
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--navy);
  color: var(--cta-label);
  padding: 0.5rem 1rem;
  z-index: 100;
}

.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

/* Draft legal banner */
.draft-banner {
  background: var(--banner-bg);
  color: var(--banner-ink);
  border-bottom: 1px solid var(--banner-line);
  padding: 0.75rem 1.25rem;
  text-align: center;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.45;
}

.draft-banner p {
  margin: 0;
  max-width: var(--max);
  margin-inline: auto;
}

/* Layout */
.wrap {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

/* Header / nav */
.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--hairline);
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand:hover {
  color: var(--navy);
}

.brand-mark {
  font-size: 1.15rem;
}

.brand-sub {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.35rem 1.1rem;
  flex-wrap: wrap;
}

.nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}

.nav a:hover {
  color: var(--navy);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--hairline);
  border-radius: 6px;
  padding: 0.4rem 0.65rem;
  color: var(--navy);
  font-size: 0.9rem;
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.7rem 1.25rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
  line-height: 1.3;
  transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}

.btn-primary {
  background: var(--navy);
  color: var(--cta-label);
  border-color: var(--navy);
}

.btn-primary:hover {
  background: var(--navy-deep);
  border-color: var(--navy-deep);
  color: var(--cta-label);
}

.btn-secondary {
  background: var(--card);
  color: var(--navy);
  border-color: var(--navy);
}

.btn-secondary:hover {
  background: var(--soft);
  color: var(--navy-deep);
}

.btn-soft {
  background: var(--soft);
  color: var(--navy);
  border-color: var(--hairline);
}

.btn-soft:hover {
  background: var(--hairline);
  color: var(--navy-deep);
}

.btn-ghost {
  background: transparent;
  color: var(--navy);
  border-color: var(--hairline);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* Hero — cool gray-white page identity; navy on CTAs only (not full-bleed navy) */
.hero {
  background: var(--bg);
  color: var(--ink);
  padding: 3.25rem 0 2.75rem;
  border-bottom: 1px solid var(--hairline);
}

.hero .eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.hero h1 {
  margin: 0 0 0.35rem;
  font-size: clamp(2rem, 4.5vw, 2.75rem);
  letter-spacing: -0.02em;
  line-height: 1.12;
  color: var(--ink);
}

.tagline {
  margin: 0 0 1rem;
  font-size: clamp(1.15rem, 2.5vw, 1.35rem);
  font-weight: 600;
  color: var(--navy);
  letter-spacing: 0.01em;
}

.hero-lead {
  margin: 0;
  max-width: 40rem;
  font-size: 1.12rem;
  color: var(--ink);
}

.hero-lead strong {
  color: var(--ink);
}

.hero-note {
  margin: 1.25rem 0 0;
  max-width: 42rem;
  padding: 0.85rem 1rem;
  background: var(--soft);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  font-size: 0.95rem;
  color: var(--muted);
}

/* Sections */
.section {
  padding: 3.5rem 0;
  background: var(--bg);
}

.section-alt {
  background: var(--card);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.section h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.45rem, 3vw, 1.75rem);
  color: var(--ink);
  letter-spacing: -0.01em;
}

.section-lead {
  margin: 0 0 1.75rem;
  max-width: 40rem;
  color: var(--muted);
}

/* Feature table */
.feature-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.feature-table th,
.feature-table td {
  text-align: left;
  padding: 0.95rem 1.15rem;
  border-bottom: 1px solid var(--hairline);
  vertical-align: top;
}

.feature-table th {
  width: 28%;
  color: var(--ink);
  font-weight: 700;
  background: #F8FAFC;
}

.feature-table tr:last-child th,
.feature-table tr:last-child td {
  border-bottom: none;
}

.feature-table caption {
  caption-side: bottom;
  padding-top: 1rem;
  text-align: left;
  color: var(--muted);
  font-size: 0.95rem;
}

.callout {
  margin-top: 1.5rem;
  padding: 1rem 1.2rem;
  background: var(--card);
  border-left: 4px solid var(--navy);
  border-radius: 0 8px 8px 0;
  color: var(--ink);
  border-top: 1px solid var(--hairline);
  border-right: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.callout strong {
  color: var(--navy);
}

/* Who / lists */
.who-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.who-card {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
  box-shadow: var(--shadow);
}

.who-card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  color: var(--ink);
}

.who-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.checklist {
  margin: 0;
  padding: 0;
  list-style: none;
}

.checklist li {
  position: relative;
  padding: 0.55rem 0 0.55rem 1.75rem;
  border-bottom: 1px solid var(--hairline);
}

.checklist li:last-child {
  border-bottom: none;
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.95rem;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--navy);
  opacity: 0.85;
}

.not-for {
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 0.98rem;
}

/* How to start */
.steps {
  display: grid;
  gap: 1rem;
  counter-reset: step;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
}

.step-num {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--navy);
  color: var(--cta-label);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.step h3 {
  margin: 0 0 0.25rem;
  font-size: 1.05rem;
  color: var(--ink);
}

.step p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.path-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 0.5rem;
}

.path-card {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.path-card h3 {
  margin: 0 0 0.75rem;
  color: var(--ink);
}

.path-card p {
  margin: 0 0 1rem;
  color: var(--muted);
}

/* Pricing */
.pricing-note {
  margin: 0 0 1.5rem;
  padding: 0.85rem 1.1rem;
  background: var(--soft);
  border: 1px solid var(--hairline);
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.95rem;
}

.price-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.price-card {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.price-card h3 {
  margin: 0 0 0.35rem;
  color: var(--ink);
  font-size: 1.25rem;
}

.price-band {
  margin: 0 0 1rem;
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.3;
}

.price-band span {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  margin-top: 0.2rem;
}

.price-card ul {
  margin: 0 0 1.5rem;
  padding-left: 1.2rem;
  color: var(--ink);
  flex: 1;
}

.price-card li {
  margin-bottom: 0.45rem;
}

.price-card .btn {
  align-self: flex-start;
}

.honesty {
  margin-top: 2rem;
  padding: 1.15rem 1.35rem;
  background: var(--soft);
  color: var(--muted);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  font-size: 0.98rem;
}

.honesty strong {
  color: var(--ink);
}

/* FAQ */
.faq {
  display: grid;
  gap: 0.75rem;
}

.faq details {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 0.15rem 1.15rem;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
  padding: 0.95rem 0;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::before {
  content: "+";
  display: inline-block;
  width: 1.25rem;
  color: var(--muted);
  font-weight: 400;
}

.faq details[open] summary::before {
  content: "−";
}

.faq details p {
  margin: 0 0 1rem;
  color: var(--muted);
}

/* Legal pages */
.legal {
  padding: 2.5rem 0 4rem;
}

.legal h1 {
  margin: 0 0 0.5rem;
  color: var(--ink);
  font-size: clamp(1.75rem, 3vw, 2.2rem);
}

.legal .meta {
  color: var(--muted);
  margin: 0 0 2rem;
  font-size: 0.95rem;
}

.legal h2 {
  margin: 2rem 0 0.65rem;
  font-size: 1.2rem;
  color: var(--ink);
}

.legal p,
.legal li {
  color: var(--ink);
}

.legal ul {
  padding-left: 1.25rem;
}

.legal .contact-block {
  margin-top: 2rem;
  padding: 1.25rem;
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--hairline);
}

.tbd {
  color: var(--muted);
  font-style: italic;
}

/* Footer — light card, not full navy bleed */
.site-footer {
  background: var(--card);
  color: var(--muted);
  padding: 2.5rem 0 2rem;
  margin-top: 0;
  border-top: 1px solid var(--hairline);
  font-size: 0.92rem;
}

.site-footer a {
  color: var(--muted);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--ink);
}

.footer-tag {
  margin: 0 0 0.35rem;
  font-weight: 600;
  color: var(--ink);
}

.footer-blurb {
  margin: 0 0 1.25rem;
  max-width: 36rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
}

.footer-meta {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.footer-meta a {
  color: var(--navy);
}

/* Responsive */
@media (max-width: 760px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding-bottom: 0.75rem;
  }

  .nav.is-open {
    display: flex;
  }

  .nav a,
  .nav .btn {
    width: 100%;
    justify-content: center;
  }

  .site-header .bar {
    flex-wrap: wrap;
  }

  .path-grid,
  .price-grid {
    grid-template-columns: 1fr;
  }

  .feature-table,
  .feature-table tbody,
  .feature-table tr,
  .feature-table th,
  .feature-table td {
    display: block;
    width: 100%;
  }

  .feature-table th {
    border-bottom: none;
    padding-bottom: 0.25rem;
  }

  .feature-table td {
    padding-top: 0.25rem;
  }

  .feature-table tr {
    border-bottom: 1px solid var(--hairline);
    padding: 0.5rem 0;
  }

  .feature-table tr:last-child {
    border-bottom: none;
  }

  .hero {
    padding: 2.25rem 0 2rem;
  }

  .section {
    padding: 2.5rem 0;
  }

  .btn-row .btn {
    flex: 1 1 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .btn {
    transition: none;
  }
}