:root {
  --ink: #16191f;
  --muted: #5d6673;
  --line: #e6e8ec;
  --accent: #0f766e;
  --bg: #ffffff;
  --alt: #f7f8f9;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: ui-serif, Georgia, 'Times New Roman', serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  width: min(1080px, calc(100% - 48px));
  margin: 0 auto;
}
.wrap.narrow {
  width: min(720px, calc(100% - 48px));
}

/* ------------------------------------------------------------------- nav -- */

.nav {
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  z-index: 10;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}
.mark {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--accent), #14b8a6);
}
.nav nav {
  display: flex;
  gap: 26px;
  font-family:
    ui-sans-serif,
    -apple-system,
    'Segoe UI',
    sans-serif;
  font-size: 15px;
}
.nav nav a {
  color: var(--muted);
  text-decoration: none;
}
.nav nav a:hover {
  color: var(--ink);
}

/* ------------------------------------------------------------------ hero -- */

.hero {
  padding: 96px 0 72px;
}
.eyebrow {
  font-family:
    ui-sans-serif,
    -apple-system,
    'Segoe UI',
    sans-serif;
  font-size: 13px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 18px;
  font-weight: 600;
}
h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.025em;
  margin: 0 0 20px;
  max-width: 18ch;
}
.lede {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 58ch;
  margin: 0 0 32px;
}
.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.btn {
  display: inline-flex;
  align-items: center;
  height: 48px;
  padding: 0 24px;
  border-radius: 8px;
  font-family:
    ui-sans-serif,
    -apple-system,
    'Segoe UI',
    sans-serif;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn.primary {
  background: var(--accent);
  color: #fff;
}
.btn.primary:hover {
  background: #0d635c;
}
.btn.ghost {
  border-color: var(--line);
  color: var(--ink);
  background: #fff;
}
.btn.ghost:hover {
  border-color: var(--muted);
}
.btn:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}
.hint {
  font-family:
    ui-sans-serif,
    -apple-system,
    'Segoe UI',
    sans-serif;
  font-size: 14px;
  color: var(--muted);
  margin: 0;
}

/* --------------------------------------------------------------- sections -- */

.section {
  padding: 72px 0;
  border-top: 1px solid var(--line);
}
.section.alt {
  background: var(--alt);
}
h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  letter-spacing: -0.02em;
  margin: 0 0 28px;
}
h3 {
  font-size: 1.15rem;
  margin: 0 0 8px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}
.card p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.steps {
  margin: 0;
  padding-left: 1.3em;
  max-width: 66ch;
}
.steps li {
  margin-bottom: 14px;
}
.steps strong {
  font-weight: 700;
}

.snippet {
  background: #14181f;
  color: #d7e3e1;
  padding: 16px 18px;
  border-radius: 10px;
  overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13.5px;
  line-height: 1.6;
}

/* ---------------------------------------------------------------- footer -- */

.footer {
  border-top: 1px solid var(--line);
  padding: 40px 0 64px;
  font-family:
    ui-sans-serif,
    -apple-system,
    'Segoe UI',
    sans-serif;
  font-size: 14px;
  color: var(--muted);
}
.footer p {
  margin: 0 0 6px;
}
.tiny {
  font-size: 12.5px;
  opacity: 0.8;
}