/* ContextDB marketing system. Static, accessible, and proof-object first. */

:root {
  color-scheme: dark;
  --bg: #0e1013;
  --bg-soft: #121519;
  --surface: #14171c;
  --surface-raised: #1a1e24;
  --surface-inset: #0a0c0f;
  --border: #23272e;
  --border-strong: #343a43;
  --text: #e9ecef;
  --text-soft: #b7bec7;
  --text-dim: #858e98;
  --accent: #57b58e;
  --accent-strong: #3f9d79;
  --accent-ink: #0b1512;
  --blue: #82b7ff;
  --act: #5cc78e;
  --ask: #d3ad5f;
  --abstain: #e0857c;
  --shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
  --mono: "SFMono-Regular", "Cascadia Code", "Roboto Mono", Menlo, Consolas, monospace;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}

main {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 0 0 104px;
}

a {
  color: var(--accent);
  text-underline-offset: 0.18em;
}

a:hover {
  color: #7fceac;
}

code,
.mono {
  font-family: var(--mono);
  font-size: 0.92em;
}

strong {
  color: var(--text);
}

::selection {
  background: rgba(255, 255, 255, 0.18);
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  transform: translateY(-160%);
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
}

.skip-link:focus {
  transform: translateY(0);
}

/* Header */

.status-bar {
  min-height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 5px 20px;
  color: var(--text-dim);
  background: var(--surface-inset);
  border-bottom: 1px solid var(--border);
  font-size: 12px;
}

.status-bar strong {
  color: var(--text-soft);
}

.status-bar a {
  margin-left: 6px;
  color: var(--text-soft);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: 68px;
  display: flex;
  align-items: center;
  gap: 26px;
  padding: 12px max(20px, calc((100vw - 1180px) / 2));
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 760;
  letter-spacing: -0.02em;
}

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

.brand-mark {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  color: var(--text);
  background: var(--surface);
  font-family: var(--mono);
  font-size: 14px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
}

.nav-link {
  padding: 7px 10px;
  border-radius: 8px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
}

.nav-link:hover,
.nav-active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.045);
}

.nav-active {
  font-weight: 650;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mobile-nav {
  display: none;
  margin-left: auto;
}

.mobile-nav summary {
  list-style: none;
  cursor: pointer;
  color: var(--text-soft);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
}

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

.mobile-nav nav {
  position: absolute;
  top: 62px;
  left: 16px;
  right: 16px;
  display: grid;
  padding: 10px;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: var(--surface-raised);
  box-shadow: var(--shadow);
}

.mobile-nav:not([open]) nav {
  display: none;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 40px;
  padding: 8px 15px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  font: 600 14px/1 var(--sans);
  cursor: pointer;
  transition:
    border-color 120ms ease,
    background 120ms ease;
}

.btn:hover {
  color: var(--text);
  border-color: #454d57;
  background: var(--surface-raised);
}

.btn-primary {
  border-color: var(--text);
  background: var(--text);
  color: #101315;
}

.btn-primary:hover {
  border-color: #fff;
  background: #fff;
  color: #101315;
}

.btn-ghost {
  border-color: transparent;
  background: transparent;
  color: var(--text-soft);
}

.btn-lg {
  min-height: 46px;
  padding: 11px 19px;
  border-radius: 6px;
  font-size: 15px;
}

/* Hero */

.hero {
  padding: 94px 0 62px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(420px, 0.97fr);
  align-items: center;
  gap: 72px;
}

.eyebrow,
.section-kicker {
  display: block;
  margin: 0 0 16px;
  color: var(--text-dim);
  font: 600 12px/1.3 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(38px, 5vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.hero .sub {
  max-width: 680px;
  margin: 24px 0 0;
  color: var(--text-soft);
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.hero-note {
  margin: 20px 0 0;
  color: var(--text-dim);
  font-size: 13px;
}

.hero-note a {
  color: var(--text-soft);
}

/* Decision proof */

.decision-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.decision-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
  font: 12px/1.4 var(--mono);
}

.decision-id {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.decision-body {
  padding: 18px;
}

.decision-question {
  margin: 0 0 20px;
  color: var(--text-soft);
  font-size: 14px;
}

.decision-outcome {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border: 1px solid rgba(211, 173, 95, 0.3);
  border-radius: 6px;
  background: rgba(211, 173, 95, 0.06);
}

.decision-outcome strong {
  color: var(--ask);
  font: 700 14px/1 var(--mono);
  text-transform: uppercase;
}

.decision-outcome span {
  color: var(--text-soft);
  font-size: 13px;
}

.decision-evidence {
  display: grid;
  gap: 9px;
  margin: 18px 0 0;
}

.evidence-row {
  display: grid;
  grid-template-columns: 92px 1fr auto;
  align-items: start;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
  font: 12px/1.5 var(--mono);
}

.evidence-row:last-child {
  border-bottom: 0;
}

.evidence-row .value {
  color: var(--text-soft);
  overflow-wrap: anywhere;
}

.trace-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  padding: 13px 18px;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  background: var(--surface-inset);
  font: 11px/1.5 var(--mono);
}

/* Sections and cards */

.section {
  padding: 76px 0;
  border-top: 1px solid var(--border);
}

.section-compact {
  padding: 48px 0;
}

.section-head {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-head h2,
.page-hero h1 {
  margin: 0;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.section-head p,
.page-hero .sub {
  margin: 16px 0 0;
  color: var(--text-soft);
  font-size: 18px;
  line-height: 1.6;
}

.page-hero {
  max-width: 880px;
  padding: 82px 0 54px;
}

.breadcrumb {
  margin-bottom: 20px;
  color: var(--text-dim);
  font-size: 13px;
}

.breadcrumb a {
  color: var(--text-dim);
}

.grid-2,
.proof-grid,
.use-case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.panel,
.feature-card,
.use-case-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  padding: 22px;
}

.panel {
  margin: 16px 0;
}

.feature-card,
.use-case-card {
  min-height: 100%;
}

.feature-number {
  display: inline-block;
  margin-bottom: 22px;
  color: var(--text-dim);
  font: 12px/1 var(--mono);
}

.feature-card h3,
.use-case-card h3,
.panel h3 {
  margin: 0 0 9px;
  font-size: 18px;
  letter-spacing: -0.015em;
}

.feature-card p,
.use-case-card p,
.panel p {
  margin: 0;
  color: var(--text-dim);
}

.feature-card .object {
  display: block;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  color: var(--text-soft);
  font: 12px/1.6 var(--mono);
}

.use-case-card {
  display: flex;
  flex-direction: column;
}

.use-case-card .card-link {
  margin-top: auto;
  padding-top: 20px;
  font-weight: 650;
  text-decoration: none;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: start;
  gap: 64px;
}

.split > * {
  min-width: 0;
}

.stack-row {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 22px;
}

.stack-chip {
  padding: 7px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-soft);
  background: var(--surface);
  font: 12px/1 var(--mono);
}

.compare-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 14px;
  align-items: stretch;
}

.compare-card {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.compare-card.contextdb {
  border-color: var(--border-strong);
  background: var(--surface-raised);
}

.compare-vs {
  align-self: center;
  color: var(--text-dim);
  font: 12px/1 var(--mono);
}

.compare-card h3 {
  margin: 0 0 14px;
}

.compare-card ul {
  margin: 0;
  padding-left: 18px;
}

.compare-card li {
  margin: 8px 0;
  color: var(--text-soft);
}

.cta-band {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 30px;
  margin-top: 72px;
  padding: 30px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: var(--surface);
}

.cta-band h2 {
  margin: 0;
  font-size: 26px;
  letter-spacing: -0.03em;
}

.cta-band p {
  margin: 8px 0 0;
  color: var(--text-dim);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* Long-form content */

main > h1:first-child {
  max-width: 880px;
  margin: 82px 0 10px;
  font-size: clamp(36px, 5vw, 54px);
  line-height: 1.08;
}

main > h1:first-child + .muted {
  max-width: 780px;
  margin-bottom: 42px;
  font-size: 18px;
}

h1 {
  letter-spacing: -0.035em;
}

h2 {
  margin: 48px 0 12px;
  font-size: 28px;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

h3 {
  font-size: 18px;
}

p,
li {
  color: var(--text-soft);
}

.muted {
  color: var(--text-dim);
}

.lede {
  max-width: 760px;
  color: var(--text-soft);
  font-size: 19px;
}

.callout {
  margin: 28px 0;
  padding: 18px 20px;
  border-left: 3px solid var(--accent-strong);
  background: var(--surface);
  color: var(--text-soft);
}

pre {
  max-width: 100%;
  overflow-x: auto;
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-inset);
  color: var(--text-soft);
  font: 13px/1.6 var(--mono);
}

pre .c {
  color: var(--text-dim);
}

pre .good {
  color: var(--act);
}

pre .warn {
  color: var(--ask);
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  color: var(--text-dim);
  font: 650 10px/1.3 var(--mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.pill-act {
  color: var(--act);
  border-color: rgba(92, 199, 142, 0.38);
  background: rgba(92, 199, 142, 0.05);
}

.pill-ask {
  color: var(--ask);
  border-color: rgba(211, 173, 95, 0.38);
  background: rgba(211, 173, 95, 0.05);
}

.pill-abstain {
  color: var(--abstain);
  border-color: rgba(224, 133, 124, 0.38);
  background: rgba(224, 133, 124, 0.05);
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
  font-size: 14px;
}

th,
td {
  padding: 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--text-dim);
  font: 650 11px/1.4 var(--mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

td {
  color: var(--text-soft);
}

.plan {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.plan h3 {
  margin: 0;
}

.price-line {
  color: var(--text-soft);
  font: 13px/1.5 var(--mono);
}

.plan ul {
  margin: 8px 0;
  padding-left: 19px;
}

.plan li {
  margin: 8px 0;
}

.faq {
  display: grid;
  gap: 10px;
}

.faq details {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
}

.faq summary {
  cursor: pointer;
  padding: 15px 18px;
  color: var(--text);
  font-weight: 650;
}

.faq details p {
  margin: 0;
  padding: 0 18px 17px;
  color: var(--text-dim);
}

/* Footer */

.site-footer {
  width: min(1180px, calc(100% - 40px));
  display: grid;
  grid-template-columns: minmax(260px, 1.6fr) repeat(3, minmax(130px, 0.7fr));
  gap: 48px;
  margin: 0 auto;
  padding: 54px 0 64px;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 13px;
}

.footer-lead p {
  max-width: 390px;
  margin: 18px 0 12px;
  color: var(--text-dim);
}

.footer-brand {
  font-size: 17px;
}

.footer-meta {
  color: #6b737d;
}

.footer-column {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.footer-column strong {
  margin-bottom: 4px;
  color: var(--text-soft);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.footer-column a {
  color: var(--text-dim);
  text-decoration: none;
}

.footer-column a:hover {
  color: var(--text);
}

/* Accessibility and responsive behavior */

a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

@media (max-width: 940px) {
  .desktop-nav,
  .header-actions {
    display: none;
  }

  .mobile-nav {
    display: block;
  }

  .hero {
    padding-top: 66px;
  }

  .hero-grid,
  .split {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .hero-grid {
    max-width: 760px;
  }

  .decision-card {
    max-width: 640px;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  .site-footer {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-lead {
    grid-column: 1 / -1;
  }
}

@media (max-width: 680px) {
  main,
  .site-footer {
    width: min(100% - 28px, 1180px);
  }

  .site-header {
    min-height: 60px;
    padding: 10px 14px;
  }

  .status-bar {
    justify-content: flex-start;
    overflow-x: auto;
    white-space: nowrap;
  }

  .hero h1 {
    font-size: clamp(34px, 11vw, 48px);
  }

  .hero .sub {
    font-size: 17px;
  }

  .grid-2,
  .proof-grid,
  .use-case-grid,
  .compare-row,
  .cta-band {
    grid-template-columns: 1fr;
  }

  .compare-vs {
    justify-self: start;
  }

  .section {
    padding: 58px 0;
  }

  .page-hero {
    padding-top: 58px;
  }

  .evidence-row {
    grid-template-columns: 76px 1fr;
  }

  .evidence-row .pill {
    grid-column: 2;
    justify-self: start;
  }

  .site-footer {
    grid-template-columns: 1fr 1fr;
    gap: 34px 24px;
  }

  .footer-lead {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}