:root {
  color-scheme: dark;
  --navy: #062548;
  --navy-2: #0a315e;
  --blue: #0b6fb5;
  --blue-soft: #e7f2fb;
  --ink: #f8fbff;
  --paper: #ffffff;
  --text: #102033;
  --muted: #657386;
  --line: #dbe5ef;
  --gold: #d6a231;
  --mint: #36d6a5;
  --shadow: 0 28px 80px rgba(1, 20, 44, 0.28);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 8%, rgba(18, 113, 184, 0.38), transparent 34%),
    linear-gradient(180deg, #031b35 0%, #062548 42%, #f4f8fc 42%, #ffffff 100%);
  overflow-x: hidden;
}

body.guide-page {
  background:
    linear-gradient(180deg, #031b35 0, #062548 580px, #f4f8fc 580px, #ffffff 100%);
}

body.guide-page .page-hero {
  min-height: 450px;
}

a { color: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 14px max(20px, calc((100vw - 1180px) / 2 + 24px));
  color: var(--ink);
  background: #011d42;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 16px 42px rgba(0, 12, 30, 0.24);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand strong {
  display: block;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  font-size: 19px;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: 0;
}

.brand small {
  display: block;
  margin-top: 3px;
  color: rgba(248, 251, 255, 0.68);
  font-size: 12px;
}

.shield {
  width: 74px;
  height: 78px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
}

.shield img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.shield svg { width: 100%; height: 100%; }
.shield-face {
  fill: #061f3c;
  stroke: #0b6fb5;
  stroke-width: 8;
  stroke-linejoin: round;
}
.shield-mark,
.we-w,
.we-e,
.we-mark {
  fill: #fff;
  stroke: none;
}
.shield-cut,
.we-cut {
  fill: #061f3c;
  stroke: none;
}

nav {
  display: flex;
  align-items: center;
  gap: 15px;
  font-size: 14px;
  color: rgba(248, 251, 255, 0.78);
}

nav a {
  text-decoration: none;
}

nav a:last-child {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  padding: 9px 13px;
  background: rgba(255, 255, 255, 0.08);
}

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 40px 24px 72px;
}

.hero {
  min-height: 680px;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(360px, 0.72fr);
  gap: 48px;
  align-items: center;
  color: var(--ink);
}

.hero-copy,
.hero-panel {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--mint);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1, h2, h3, p { letter-spacing: 0; }

h1 {
  max-width: 800px;
  margin: 0;
  font-size: clamp(42px, 6vw, 78px);
  line-height: 0.95;
}

h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.02;
}

h3 {
  margin: 0 0 10px;
  font-size: 20px;
  line-height: 1.2;
}

.lead {
  max-width: 710px;
  margin: 24px 0 0;
  color: rgba(248, 251, 255, 0.78);
  font-size: 20px;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 800;
  border: 1px solid transparent;
  max-width: 100%;
  text-align: center;
}

.button.primary {
  color: #041c35;
  background: #fff;
}

.button.ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.26);
  background: rgba(255, 255, 255, 0.08);
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.trust-row span {
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  padding: 9px 12px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(248, 251, 255, 0.78);
  font-size: 13px;
}

.hero-panel {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 16px;
  background: rgba(2, 18, 35, 0.68);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.panel-top {
  display: flex;
  gap: 7px;
  padding: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.panel-top span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.28);
}

.flow-line {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  padding: 18px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.flow-line b {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  color: #041c35;
  background: #fff;
}

.flow-line.active b { background: var(--mint); }
.flow-line p { margin: 0; color: rgba(248, 251, 255, 0.82); line-height: 1.45; }

.receipt {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px;
  background: rgba(54, 214, 165, 0.1);
  color: #fff;
}

.receipt span {
  color: var(--mint);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 12px;
}

code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  overflow-wrap: anywhere;
}

.section {
  margin-top: 28px;
  padding: 64px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--paper);
  box-shadow: 0 18px 60px rgba(6, 37, 72, 0.08);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.8fr);
  gap: 38px;
  align-items: end;
  margin-bottom: 34px;
}

.section-heading .eyebrow,
.split .eyebrow,
.economics-copy .eyebrow,
.security .eyebrow,
.proof-band .eyebrow,
.seo-band .eyebrow {
  color: var(--blue);
}

.section-heading p,
.split p,
.economics-copy p,
.proof-band p,
.security p,
.seo-band p,
.feature-grid p,
.callout p,
.rate-card p {
  color: var(--muted);
  line-height: 1.62;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.section > h2 + .feature-grid {
  margin-top: 28px;
}

.feature-grid article {
  min-height: 178px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 22px;
  background: #f8fbfe;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.76fr);
  gap: 42px;
}

.callout {
  border: 1px solid #c8d8e7;
  border-radius: 14px;
  padding: 28px;
  background: linear-gradient(180deg, #f3f9ff, #ffffff);
}

.quote {
  font-size: 18px;
  color: var(--text) !important;
}

.text-link {
  display: inline-flex;
  margin-top: 8px;
  color: var(--blue);
  font-weight: 800;
  text-decoration: none;
}

.hosted-section {
  background:
    linear-gradient(180deg, rgba(248, 251, 254, 0.98), #ffffff);
}

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

.hosted-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 26px;
  background: #fff;
}

.prompt {
  margin-top: 18px;
  padding: 16px;
  border-left: 4px solid var(--blue);
  border-radius: 8px;
  color: var(--text) !important;
  background: #eef6fd;
}

.use-cases {
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 26px;
  background: #f8fbfe;
}

.use-cases ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 18px;
  margin: 14px 0 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.55;
}

.economics {
  display: grid;
  grid-template-columns: minmax(260px, 0.46fr) minmax(0, 1fr);
  gap: 42px;
  align-items: center;
  background: #071f3a;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.1);
}

.economics h2,
.economics h3 {
  color: #fff;
}

.rate-card {
  min-height: 310px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 16px;
  padding: 30px;
  background: rgba(255, 255, 255, 0.08);
}

.rate {
  display: block;
  font-size: clamp(82px, 10vw, 128px);
  line-height: 0.9;
  font-weight: 900;
  color: var(--mint);
}

.rate-card strong {
  display: block;
  margin-top: 14px;
  font-size: 22px;
}

.check-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(248, 251, 255, 0.84);
}

.proof-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.45fr);
  gap: 34px;
  align-items: center;
}

.seo-band {
  background: #f8fbfe;
}

.link-stack {
  display: grid;
  gap: 10px;
}

.link-stack.wide {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.link-stack a {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  text-decoration: none;
  color: var(--blue);
  font-weight: 800;
  background: #f8fbfe;
}

.security {
  background: #f8fbfe;
}

footer {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 24px 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--text);
}

footer .brand small {
  color: var(--muted);
}

footer .shield-face { fill: #061f3c; }

footer a {
  color: var(--blue);
  font-weight: 800;
  text-decoration: none;
}

.developer-hero .lead {
  max-width: 760px;
}

.terminal-panel {
  align-self: center;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.terminal-body {
  display: grid;
  gap: 16px;
  padding: 22px;
}

.terminal-body p {
  margin: 0;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(248, 251, 255, 0.84);
  line-height: 1.45;
}

.terminal-body b {
  color: var(--mint);
}

.terminal-body code {
  display: inline-block;
  margin-top: 5px;
  color: #fff;
}

.quickstart-section {
  margin-top: 28px;
}

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

.path-grid article {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
  background: #f8fbfe;
}

.path-grid p {
  color: var(--muted);
  line-height: 1.6;
}

.path-grid pre,
.code-box {
  margin: 18px 0;
  padding: 14px;
  border: 1px solid #c8d8e7;
  border-radius: 10px;
  background: #061f3c;
  color: #fff;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.step-pill {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 18px;
  border-radius: 999px;
  background: var(--mint);
  color: #041c35;
  font-weight: 900;
}

.light-list {
  margin-top: 24px;
}

.light-list li {
  border-color: var(--line);
  background: #f8fbfe;
  color: var(--text);
}

.matrix-section .feature-grid article {
  min-height: 205px;
}

.demo-steps {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
}

.demo-steps div {
  min-height: 120px;
  display: grid;
  align-content: start;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f8fbfe;
}

.demo-steps b {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
}

.demo-steps span {
  color: var(--text);
  font-weight: 800;
  line-height: 1.35;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.content-page main {
  padding-top: 44px;
}

.page-hero {
  min-height: 420px;
  display: grid;
  align-content: center;
  color: var(--ink);
}

.page-hero h1 {
  max-width: 920px;
  font-size: clamp(42px, 5vw, 68px);
}

.page-hero .lead {
  max-width: 860px;
}

.page-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.68fr) minmax(320px, 0.32fr);
  gap: 24px;
}

.page-stack {
  display: grid;
  gap: 18px;
}

.info-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 26px;
  background: #fff;
}

.info-card p,
.info-card li {
  color: var(--muted);
  line-height: 1.62;
}

.info-card ul {
  margin: 14px 0 0;
  padding-left: 20px;
}

.side-card {
  position: sticky;
  top: 118px;
  align-self: start;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
  background: #f8fbfe;
}

.side-card p,
.side-card li {
  color: var(--muted);
  line-height: 1.55;
}

.proof-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.proof-meta div {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f8fbfe;
}

.proof-meta b {
  display: block;
  margin-bottom: 4px;
  color: var(--text);
}

.proof-meta span {
  color: var(--muted);
}

.sample-json {
  max-height: 460px;
  overflow: auto;
}

@media (max-width: 920px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    width: 100%;
    flex-wrap: wrap;
    overflow-x: visible;
    padding-bottom: 4px;
  }

  .hero,
  .section-heading,
  .split,
  .economics,
  .proof-band {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding: 40px 0 28px;
  }

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

  .path-grid,
  .page-grid,
  .proof-meta {
    grid-template-columns: 1fr;
  }

  .side-card {
    position: static;
  }

  .demo-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .hosted-grid,
  .use-cases ul {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 38px 24px;
  }
}

@media (max-width: 640px) {
  main {
    max-width: 100%;
    padding: 18px 16px 48px;
    overflow: hidden;
  }
  .hero {
    display: block;
    width: 100%;
  }
  .hero-copy,
  .hero-panel,
  .lead,
  h1 {
    width: 100%;
    max-width: calc(100vw - 32px);
  }
  .hero-copy {
    overflow: hidden;
  }
  .hero-panel {
    margin-top: 48px;
  }
  h1 {
    max-width: min(100%, 340px);
    font-size: clamp(28px, 7.4vw, 31px);
    line-height: 1.02;
    overflow-wrap: break-word;
    word-break: normal;
  }
  .lead {
    max-width: min(100%, 340px);
    font-size: 16px;
    overflow-wrap: break-word;
  }
  .site-header { padding: 14px 16px; }
  .shield { width: 48px; height: 55px; }
  nav {
    gap: 10px 12px;
    font-size: 12px;
  }
  nav a {
    white-space: nowrap;
  }
  nav a:last-child { padding: 8px 11px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .trust-row span { font-size: 12px; }
  .flow-line { grid-template-columns: 36px 1fr; padding: 16px; }
  .receipt { flex-direction: column; }
  .feature-grid,
  .check-list,
  .demo-steps {
    grid-template-columns: 1fr;
  }
  .section { border-radius: 14px; }
  footer {
    align-items: flex-start;
    flex-direction: column;
  }
}