:root {
  color-scheme: light;
  --ink: #102c59;
  --muted: #5c6f8d;
  --line: #d7e5f7;
  --surface: #ffffff;
  --canvas: #eef6ff;
  --accent: #0b66d1;
  --accent-dark: #064b9b;
  --accent-soft: #e1efff;
  --navy: #073e81;
  --warning: #fff7e6;
  --warning-line: #f4d49a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% -8%, #cfe7ff 0, transparent 30rem),
    radial-gradient(circle at 95% 18%, #dceeff 0, transparent 28rem),
    var(--canvas);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a { color: var(--accent-dark); }

.page-shell {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 72px 0 36px;
}

.hero { max-width: 800px; padding: 24px 0 48px; }

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 30px;
}

.brand-icon {
  width: 66px;
  height: 66px;
  border-radius: 18px;
  box-shadow: 0 12px 26px #0b66d12b;
}

.brand-name, .brand-subtitle {
  display: block;
}

.brand-name {
  color: var(--navy);
  font-size: 1.02rem;
  font-weight: 850;
  letter-spacing: -0.02em;
}

.brand-subtitle {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 650;
}

.eyebrow, .section-kicker {
  margin: 0 0 10px;
  color: var(--accent-dark);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

h1, h2 { line-height: 1.12; letter-spacing: -0.035em; }

h1 { max-width: 720px; margin: 0; color: var(--navy); font-size: clamp(2.65rem, 7vw, 5.1rem); }
h2 { margin: 0; font-size: clamp(1.25rem, 3vw, 1.65rem); }

.lede {
  max-width: 650px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1.12rem;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 0; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 14px;
  font-weight: 750;
  text-decoration: none;
  transition: transform 140ms ease, box-shadow 140ms ease, background 140ms ease;
}

.button:hover { transform: translateY(-1px); box-shadow: 0 10px 24px #0b66d12b; }
.button-primary { color: #fff; background: linear-gradient(135deg, var(--accent), #0a56b2); box-shadow: 0 8px 18px #0b66d126; }
.button-primary:hover { color: #fff; background: var(--accent-dark); }
.button-secondary { color: var(--navy); background: #ffffffb8; border-color: var(--line); }

.note { margin: 17px 0 0; color: var(--muted); font-size: 0.9rem; }

.card {
  margin-top: 18px;
  padding: clamp(24px, 5vw, 38px);
  border: 1px solid var(--line);
  border-radius: 24px;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  box-shadow: 0 20px 50px #0b3c7614;
}

.section-heading { display: flex; align-items: flex-start; gap: 14px; }
.section-heading.compact { margin-bottom: 16px; }
.step-number {
  display: inline-grid;
  flex: 0 0 32px;
  place-items: center;
  width: 32px;
  height: 32px;
  color: #fff;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--navy));
  font-weight: 800;
  box-shadow: 0 5px 12px #0b66d12e;
}

.steps { display: grid; gap: 14px; margin: 24px 0 0; padding-left: 25px; }
.steps li { padding-left: 7px; }
.steps strong, .split-card strong { color: var(--ink); }
code {
  padding: 2px 6px;
  border-radius: 6px;
  color: var(--accent-dark);
  background: var(--accent-soft);
  font-size: 0.9em;
}

.split-card { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px; }
.split-card p { color: var(--muted); }

.troubleshooting { background: var(--warning); border-color: var(--warning-line); }
.troubleshooting p:not(.section-kicker) { color: #6f5a35; }
.text-link { font-weight: 750; }

.footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 32px;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 680px) {
  .page-shell { padding-top: 38px; }
  .split-card { grid-template-columns: 1fr; gap: 12px; }
  .footer { flex-direction: column; }
}