:root {
  --page: #f5f8fc;
  --surface: #ffffff;
  --surface-2: #f0f5ff;
  --surface-3: #0d1b33;
  --text: #10203b;
  --muted: #58708f;
  --line: #d7e2f0;
  --line-strong: #b8cae0;
  --primary: #0f4cff;
  --primary-soft: rgba(15, 76, 255, 0.12);
  --accent: #00c27a;
  --accent-soft: rgba(0, 194, 122, 0.12);
  --navy: #102a56;
  --shadow: 0 18px 44px rgba(16, 32, 59, 0.08);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --container: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Manrope', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background:
    radial-gradient(circle at top left, rgba(15, 76, 255, 0.06), transparent 30%),
    radial-gradient(circle at top right, rgba(0, 194, 122, 0.05), transparent 28%),
    var(--page);
  color: var(--text);
}

a {
  color: inherit;
  text-decoration: none;
}

img { max-width: 100%; display: block; }

.container {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
}

.section {
  padding: 88px 0;
}

.section-tight { padding-top: 54px; padding-bottom: 54px; }
.section-alt {
  background: linear-gradient(180deg, rgba(255,255,255,0.76) 0%, rgba(240,245,255,0.9) 100%);
  border-top: 1px solid rgba(183, 202, 224, 0.55);
  border-bottom: 1px solid rgba(183, 202, 224, 0.55);
}

.section-head {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 24px;
  align-items: end;
  margin-bottom: 34px;
}

.section-head.center {
  grid-template-columns: 1fr;
  justify-items: center;
  text-align: center;
}

.max-900 { max-width: 900px; margin-inline: auto; }
.stack-24 { display: grid; gap: 24px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(16, 42, 86, 0.06);
  color: var(--navy);
  font-size: 0.83rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

h1, h2, h3 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

h1 { font-size: clamp(2.5rem, 4.4vw, 4.55rem); }
h2 { font-size: clamp(2rem, 3.1vw, 3.1rem); }
h3 { font-size: clamp(1.18rem, 2vw, 1.42rem); }

p {
  margin: 0;
  color: var(--muted);
  line-height: 1.68;
  font-size: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: rgba(245, 248, 252, 0.82);
  border-bottom: 1px solid rgba(183, 202, 224, 0.55);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 16px;
  height: 16px;
  border-radius: 5px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  box-shadow: 0 0 0 6px rgba(15, 76, 255, 0.08);
  flex: 0 0 auto;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-copy strong {
  font-size: 1rem;
  letter-spacing: -0.03em;
}

.brand-copy small {
  color: var(--muted);
  font-size: 0.76rem;
}

.desktop-nav {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  gap: 22px;
}

.desktop-nav a,
.mobile-menu a {
  color: var(--navy);
  font-size: 0.95rem;
  font-weight: 700;
}

.desktop-nav a:hover,
.mobile-menu a:hover,
.text-link:hover {
  color: var(--primary);
}

.nav-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 800;
  font-size: 0.95rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #245cff 100%);
  color: #fff;
  box-shadow: 0 16px 34px rgba(15, 76, 255, 0.22);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.8);
  color: var(--navy);
  border-color: var(--line);
}

.menu-toggle {
  display: none;
  min-height: 46px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.9);
  color: var(--navy);
  font: inherit;
  font-weight: 800;
}

.mobile-menu {
  display: grid;
  gap: 14px;
  padding: 0 16px 18px;
}

.hero {
  padding-top: 76px;
  padding-bottom: 76px;
}

.hero-subpage { padding-top: 64px; padding-bottom: 50px; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 28px;
  align-items: start;
}

.hero-grid-tight {
  grid-template-columns: 1.15fr 0.85fr;
}

.hero-copy {
  display: grid;
  gap: 18px;
}

.lede {
  font-size: 1.09rem;
  max-width: 860px;
}

.hero-actions,
.hero-chips,
.final-actions,
.inline-cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.hero-chips { margin-top: 4px; }

.chip,
.status-badge,
.route-pill,
.persona-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.9rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.85);
  color: var(--navy);
}

.card-panel,
.context-card,
.value-card,
.story-card,
.score-card,
.assessment-card,
.persona-panel,
.route-panel,
.story-step .story-card,
.activation-brief {
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(183, 202, 224, 0.78);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.card-panel,
.context-card,
.value-card,
.story-card,
.score-card,
.assessment-card,
.persona-panel,
.route-panel,
.activation-brief {
  padding: 26px;
}

.accent-panel,
.context-card.highlight,
.score-card.highlight,
.assessment-card.highlight {
  background: linear-gradient(180deg, rgba(15, 76, 255, 0.96) 0%, rgba(16, 42, 86, 0.98) 100%);
  color: #fff;
  border-color: rgba(33, 87, 255, 0.7);
}

.accent-panel p,
.context-card.highlight p,
.score-card.highlight p,
.assessment-card.highlight p,
.accent-panel li,
.context-card.highlight li,
.score-card.highlight li,
.assessment-card.highlight li,
.accent-panel strong,
.context-card.highlight strong,
.score-card.highlight strong,
.assessment-card.highlight strong,
.accent-panel h3,
.context-card.highlight h3,
.score-card.highlight h3,
.assessment-card.highlight h3,
.accent-panel .mini-label,
.accent-panel .score-kicker,
.assessment-card.highlight .assessment-label,
.context-card.highlight .mini-label,
.score-card.highlight .mini-label {
  color: #fff;
}

.mini-label,
.score-kicker,
.assessment-label {
  display: inline-flex;
  margin-bottom: 10px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--primary);
}

.hero-compare {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 18px;
  align-items: stretch;
}

.mini-compare {
  padding: 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.9);
}

.hero-arrow {
  align-self: center;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
}

.hero-note {
  margin-top: 18px;
  font-size: 0.96rem;
}

.problem-grid,
.preview-grid,
.compare-grid,
.demo-grid,
.routes-preview,
.tri-grid,
.context-board,
.score-grid,
.value-grid,
.assessment-grid,
.brief-grid {
  display: grid;
  gap: 18px;
}

.problem-grid,
.preview-grid,
.compare-grid,
.demo-grid,
.routes-preview,
.tri-grid,
.assessment-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.value-grid,
.score-grid,
.brief-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.context-board { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.preview-lines {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.preview-lines span {
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(16, 42, 86, 0.05);
  border: 1px solid rgba(183, 202, 224, 0.7);
  font-weight: 700;
  color: var(--navy);
}

.bullet-checks {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.bullet-checks.tight { gap: 8px; }

.bullet-checks li {
  position: relative;
  padding-left: 22px;
  color: var(--muted);
  line-height: 1.55;
}

.bullet-checks li::before {
  content: "";
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
}

.flow-strip {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}

.flow-card {
  padding: 20px 18px;
  border-radius: 20px;
  border: 1px solid rgba(183, 202, 224, 0.75);
  background: rgba(255,255,255,0.88);
  box-shadow: var(--shadow);
}

.flow-card.is-current {
  background: linear-gradient(180deg, rgba(15, 76, 255, 0.98), rgba(16, 42, 86, 0.98));
  border-color: transparent;
}

.flow-card.is-current h3,
.flow-card.is-current p,
.flow-card.is-current .flow-num { color: #fff; }

.flow-num {
  display: inline-flex;
  margin-bottom: 10px;
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 800;
}

.route-icon {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  margin-bottom: 12px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 800;
}

.text-link {
  display: inline-flex;
  margin-top: 16px;
  color: var(--primary);
  font-weight: 800;
}

.final-band {
  background: linear-gradient(180deg, rgba(16, 42, 86, 0.98) 0%, rgba(12, 27, 51, 1) 100%);
  color: #fff;
}

.final-band p,
.final-band .eyebrow,
.final-band h2 { color: #fff; }
.final-band .eyebrow { background: rgba(255,255,255,0.1); }

.final-wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  align-items: center;
}

.metric-stack {
  display: grid;
  gap: 14px;
}

.metric-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(16, 42, 86, 0.04);
  border: 1px solid rgba(183, 202, 224, 0.7);
}

.metric-row span {
  color: var(--muted);
  font-size: 0.92rem;
}

.metric-row strong {
  color: var(--navy);
  font-size: 0.95rem;
  text-align: right;
}

.dual-pane-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.tall-panel { height: 100%; }

.raw-stack {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.data-block {
  display: grid;
  gap: 8px;
}

.data-block strong,
.value-card strong,
.score-card strong,
.assessment-card h3,
.context-card h3,
.brief-block strong {
  color: var(--navy);
}

.data-grid-two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.persona-shell {
  display: grid;
  gap: 18px;
}

.persona-tabs,
.route-selector {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.persona-tab,
.route-pill {
  cursor: pointer;
  background: rgba(255,255,255,0.95);
}

.persona-tab.is-active,
.route-pill.is-active {
  background: linear-gradient(135deg, var(--primary) 0%, #245cff 100%);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 14px 30px rgba(15, 76, 255, 0.18);
}

.persona-panel,
.route-panel {
  display: none;
}

.persona-panel.is-active,
.route-panel.is-active {
  display: block;
}

.route-panel-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 18px;
  align-items: start;
}

.storyboard {
  display: grid;
  gap: 18px;
}

.story-step {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 18px;
  align-items: stretch;
}

.story-num {
  display: grid;
  place-items: center;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(15,76,255,1), rgba(16,42,86,1));
  color: #fff;
  font-size: 1.2rem;
  font-weight: 800;
  box-shadow: var(--shadow);
}

.story-card { min-height: 124px; }

.context-card,
.value-card,
.score-card,
.assessment-card,
.brief-block {
  display: grid;
  gap: 10px;
}

.score-card strong {
  font-size: 1.34rem;
}

.activation-brief {
  display: grid;
  gap: 24px;
}

.brief-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.status-badge {
  background: rgba(0, 194, 122, 0.12);
  border-color: rgba(0, 194, 122, 0.3);
  color: #0b8a5a;
}

.brief-block {
  padding: 18px;
  border-radius: 18px;
  border: 1px solid rgba(183, 202, 224, 0.75);
  background: rgba(16, 42, 86, 0.03);
}

.inline-cta-row {
  margin-top: 26px;
  padding: 18px 20px;
  border-radius: 20px;
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(183, 202, 224, 0.82);
  box-shadow: var(--shadow);
  justify-content: space-between;
}

@media (max-width: 1100px) {
  .desktop-nav { display: none; }
  .menu-toggle { display: inline-flex; align-items: center; }
  .hero-grid,
  .hero-grid-tight,
  .section-head,
  .final-wrap,
  .dual-pane-grid,
  .route-panel-grid {
    grid-template-columns: 1fr;
  }
  .flow-strip { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .section { padding: 72px 0; }
  .hero { padding-top: 52px; padding-bottom: 58px; }
  .problem-grid,
  .preview-grid,
  .compare-grid,
  .demo-grid,
  .routes-preview,
  .tri-grid,
  .context-board,
  .score-grid,
  .value-grid,
  .assessment-grid,
  .brief-grid,
  .flow-strip,
  .data-grid-two {
    grid-template-columns: 1fr;
  }
  .hero-compare { grid-template-columns: 1fr; }
  .hero-arrow { transform: rotate(90deg); justify-self: center; }
  .nav-row { align-items: flex-start; }
  .nav-actions { margin-left: auto; }
  .story-step { grid-template-columns: 1fr; }
  .story-num { min-height: 62px; }
}

@media (max-width: 560px) {
  .container { width: min(calc(100% - 20px), var(--container)); }
  .card-panel,
  .context-card,
  .value-card,
  .story-card,
  .score-card,
  .assessment-card,
  .persona-panel,
  .route-panel,
  .activation-brief {
    padding: 20px;
  }
  .site-header { position: sticky; }
  .nav-row { gap: 12px; }
  .brand-copy small { display: none; }
  .btn,
  .menu-toggle {
    min-height: 44px;
    padding-inline: 14px;
    font-size: 0.9rem;
  }
  .nav-actions .btn-ghost { display: none; }
  .chip,
  .status-badge,
  .route-pill,
  .persona-tab { width: 100%; justify-content: center; }
  .metric-row,
  .brief-head,
  .inline-cta-row {
    flex-direction: column;
    align-items: flex-start;
  }
}