:root {
  color-scheme: light;
  --ink: #172026;
  --muted: #5f6b76;
  --line: #d9e2e8;
  --paper: #f8faf9;
  --panel: #ffffff;
  --teal: #0f766e;
  --blue: #2563eb;
  --amber: #b45309;
  --red: #b91c1c;
  --green: #15803d;
  --shadow: 0 20px 70px rgba(23, 32, 38, 0.10);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

a {
  color: inherit;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 20px;
  min-height: 72px;
  padding: 14px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid rgba(217, 226, 232, 0.92);
  background: rgba(248, 250, 249, 0.94);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 8px;
  color: #fff;
  background: var(--teal);
}

.topnav {
  display: flex;
  justify-content: center;
  gap: 18px;
  font-size: 14px;
  color: var(--muted);
}

.topnav a,
.quick-links a,
footer a {
  text-decoration: none;
}

.topnav a:hover,
.quick-links a:hover,
footer a:hover {
  color: var(--teal);
}

.language-switcher {
  display: grid;
  grid-template-columns: repeat(4, 42px);
  gap: 6px;
}

.language-switcher button {
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  font-weight: 700;
}

.language-switcher button.is-active {
  border-color: var(--ink);
  color: #fff;
  background: var(--ink);
}

main {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: 28px;
  align-items: stretch;
  min-height: calc(100svh - 128px);
  padding: clamp(46px, 8vw, 96px) 0 34px;
}

.intro-copy {
  align-self: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(42px, 8vw, 88px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin: 16px 0 8px;
  font-size: 18px;
  letter-spacing: 0;
}

.lead,
.section-copy p,
.band p,
.start-panel p {
  max-width: 710px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  color: #fff;
  background: var(--ink);
}

.button.secondary {
  border: 1px solid var(--line);
  background: #fff;
}

.status-panel {
  align-self: center;
  display: grid;
  gap: 12px;
}

.status-panel > div,
.feature-card,
.report-preview,
.start-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.status-panel > div {
  min-height: 116px;
  padding: 22px;
}

.metric-value {
  display: block;
  font-size: 42px;
  font-weight: 900;
}

.metric-label {
  color: var(--muted);
  font-weight: 700;
}

.quick-links {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 56px;
}

.quick-links a {
  min-height: 54px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--muted);
  font-weight: 800;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1.08fr);
  gap: 34px;
  align-items: center;
  padding: 76px 0;
}

.content-grid.reverse {
  grid-template-columns: minmax(320px, 0.92fr) minmax(0, 1fr);
}

.workflow-visual {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.workflow-visual img {
  display: block;
  width: 100%;
  height: auto;
}

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

.section-heading {
  max-width: 780px;
  margin-bottom: 26px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.feature-card {
  min-height: 248px;
  padding: 20px;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.icon {
  display: inline-grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 8px;
  color: #fff;
  font-size: 13px;
  font-weight: 900;
}

.shield {
  background: var(--teal);
}

.route {
  background: var(--blue);
}

.header {
  background: var(--amber);
}

.api {
  background: var(--red);
}

.report-preview {
  padding: 24px;
}

.report-line,
.report-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-weight: 800;
}

.report-line strong {
  color: var(--green);
}

.report-row {
  height: 42px;
  margin-top: 14px;
  border-radius: 8px;
}

.report-row.passed {
  background: linear-gradient(90deg, rgba(21, 128, 61, 0.18), rgba(21, 128, 61, 0.06));
}

.report-row.warning {
  background: linear-gradient(90deg, rgba(180, 83, 9, 0.2), rgba(180, 83, 9, 0.06));
}

.report-row.neutral {
  background: linear-gradient(90deg, rgba(37, 99, 235, 0.16), rgba(37, 99, 235, 0.05));
}

.report-meta {
  margin-top: 18px;
  font-size: 13px;
}

.split-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 34px;
}

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

.split-list li {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-weight: 800;
}

.start-panel {
  margin: 48px 0 76px;
  padding: clamp(24px, 5vw, 42px);
}

pre {
  margin: 22px 0;
  padding: 18px;
  overflow-x: auto;
  border-radius: 8px;
  background: #101820;
  color: #d7fff1;
}

code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 15px;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 26px clamp(18px, 4vw, 56px);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

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

  .topnav {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .intro,
  .content-grid,
  .content-grid.reverse,
  .split-list {
    grid-template-columns: 1fr;
  }

  .quick-links,
  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  main {
    width: min(100% - 24px, 1160px);
  }

  .quick-links,
  .card-grid {
    grid-template-columns: 1fr;
  }

  .language-switcher {
    grid-template-columns: repeat(4, 1fr);
  }

  footer {
    flex-direction: column;
  }
}