:root {
  --surface: #ffffff;
  --paper: #f7f7f8;
  --ink: #101114;
  --muted: #5b616e;
  --rule: #d9dde5;
  --accent: #e4002b;
  --blue: #002fa7;
  --black: #000000;
  --ok: #0f7a43;
  --warn: #9a5b00;
  --bad: #b42318;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  line-height: 1.45;
}

a {
  color: var(--blue);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.shell {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

.topbar {
  border-bottom: 1px solid var(--rule);
  background: rgba(255, 255, 255, 0.94);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
}

.nav {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0;
}

.mark {
  width: 28px;
  height: 28px;
  border: 2px solid var(--ink);
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 900;
}

.navlinks {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.navlinks a {
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
}

.navlinks a:hover {
  color: var(--accent);
}

.button,
button {
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #fff;
  min-height: 42px;
  padding: 10px 14px;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  border-radius: 0;
}

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

.button.accent,
button.accent {
  border-color: var(--accent);
  background: var(--accent);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  border-bottom: 1px solid var(--rule);
  min-height: calc(100vh - 64px);
}

.hero-main {
  padding: 72px 40px 72px 0;
  border-right: 1px solid var(--rule);
}

.hero-side {
  padding: 72px 0 72px 40px;
}

.eyebrow {
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 22px;
}

h1,
.h1 {
  font-size: clamp(44px, 7vw, 92px);
  line-height: 0.92;
  letter-spacing: 0;
  margin: 0 0 28px;
  font-weight: 900;
}

h2 {
  font-size: clamp(28px, 4vw, 52px);
  line-height: 1;
  letter-spacing: 0;
  margin: 0 0 18px;
}

h3 {
  font-size: 18px;
  margin: 0 0 10px;
}

p {
  margin: 0 0 16px;
}

.lead {
  font-size: clamp(19px, 2vw, 26px);
  max-width: 760px;
  color: #272b33;
}

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

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.status-grid,
.feature-grid,
.pricing-grid,
.form-grid,
.metric-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

.cell,
.card {
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 24px;
  background: #fff;
}

.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; }
.span-7 { grid-column: span 7; }
.span-8 { grid-column: span 8; }
.span-12 { grid-column: span 12; }

.number {
  font-size: clamp(48px, 7vw, 96px);
  line-height: 0.9;
  font-weight: 900;
}

.label {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 800;
}

.section {
  padding: 56px 0;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(280px, 0.42fr);
  gap: 40px;
  align-items: end;
  margin-bottom: 28px;
}

.code {
  background: var(--ink);
  color: #fff;
  padding: 22px;
  overflow: auto;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 14px;
  line-height: 1.55;
  border: 0;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--rule);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

th,
td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
  font-size: 14px;
}

th {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

tr:last-child td {
  border-bottom: 0;
}

input,
select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--ink);
  border-radius: 0;
  background: #fff;
  color: var(--ink);
  padding: 10px 12px;
  font: inherit;
}

.field {
  display: grid;
  gap: 6px;
}

.field label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 800;
}

.notice {
  border-left: 6px solid var(--accent);
  padding: 16px 18px;
  background: var(--paper);
}

.ok { color: var(--ok); }
.warn { color: var(--warn); }
.bad { color: var(--bad); }
.keyrow { word-break: break-all; }

.footer {
  border-top: 1px solid var(--rule);
  padding: 28px 0 40px;
  color: var(--muted);
  font-size: 14px;
}

.footer .shell {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .hero,
  .section-head {
    grid-template-columns: 1fr;
  }

  .hero-main {
    border-right: 0;
    padding: 48px 0 32px;
  }

  .hero-side {
    padding: 0 0 48px;
  }

  .span-3,
  .span-4,
  .span-5,
  .span-6,
  .span-7,
  .span-8 {
    grid-column: span 12;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }
}