:root {
    --assure-navy: #0b1830;
    --assure-blue: #0878f9;
    --assure-blue-dark: #0563d3;
    --assure-cyan: #21a4f3;
    --assure-teal: #168a6b;
    --assure-canvas: #f6f8fb;
    --assure-surface: #fff;
    --assure-surface-alt: #f0f3f7;
    --assure-border: #dde3ea;
    --assure-text: #172033;
    --assure-text-secondary: #667085;
    --assure-text-muted: #98a2b3;
    --assure-radius: 10px;
    --navy: var(--assure-navy);
    --primary: var(--assure-blue);
    --highlight: var(--assure-cyan);
    --success: var(--assure-teal);
    --canvas: var(--assure-canvas);
    --surface: var(--assure-surface);
    --alt: var(--assure-surface-alt);
    --border: var(--assure-border);
    --text: var(--assure-text);
    --muted: var(--assure-text-secondary);
    --muted-light: var(--assure-text-muted);
    --maxw: 760px;
    --line: var(--assure-border);
    --bg: var(--assure-canvas);
    --card: var(--assure-surface);
    --green: var(--assure-teal);
    --link: var(--assure-blue-dark);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--text);
    background: var(--canvas);
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.65;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 2px solid var(--highlight); outline-offset: 3px; }

header {
    background: linear-gradient(180deg, #071123, var(--navy));
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner, main, footer {
    width: min(100% - 40px, var(--maxw));
    margin-inline: auto;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    padding: 14px 0;
}

.brand {
    color: #fff;
    font-weight: 600;
    text-decoration: none;
    font-size: 0.95rem;
}

nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 14px; }
nav a { color: rgba(232, 240, 249, 0.76); font-size: 0.9rem; text-decoration: none; font-weight: 500; }
nav a:hover { color: #fff; }

main { padding: 56px 0 28px; }
.eyebrow {
    color: var(--assure-blue-dark);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
h1, h2, h3 { line-height: 1.2; font-family: Inter, system-ui, sans-serif; }
h1 {
    margin: 10px 0 16px;
    font-size: clamp(2rem, 5vw, 2.6rem);
    letter-spacing: -0.02em;
    color: var(--navy);
    font-weight: 650;
}
h2 {
    margin: 40px 0 12px;
    padding-top: 8px;
    font-size: 1.35rem;
    border-top: 1px solid var(--border);
    color: var(--navy);
    font-weight: 650;
}
h3 { margin: 0 0 6px; font-size: 1.05rem; color: var(--navy); font-weight: 650; }
.lead { max-width: 40rem; color: var(--muted); font-size: 1.08rem; }
p, li { color: var(--muted); }
p { margin: 0 0 1rem; }
ul, ol { margin: 0 0 1rem; padding-left: 1.25rem; }
li + li { margin-top: 0.4rem; }

.cards { display: grid; gap: 14px; margin-top: 18px; }
.cards.two { grid-template-columns: repeat(2, 1fr); }
.card {
    padding: 18px 20px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface);
}
.card p, .card li { font-size: 0.94rem; }
.card p { margin: 0; }

.note {
    margin: 22px 0;
    padding: 16px 18px;
    border-left: 3px solid var(--highlight);
    background: rgba(33, 164, 243, 0.08);
    color: var(--muted);
    border-radius: 0 8px 8px 0;
}
.meta { color: var(--muted-light); font-size: 0.9rem; }
code { overflow-wrap: anywhere; color: var(--navy); font-size: 0.92em; }
pre {
    background: var(--alt);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
    overflow: auto;
    margin: 12px 0;
    color: var(--text);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 13px;
}

ol.steps > li { margin: 18px 0; }
ol.steps strong { display: block; color: var(--navy); margin-bottom: 4px; }

footer {
    margin-top: 36px;
    padding: 20px 0 48px;
    border-top: 1px solid var(--border);
    color: var(--muted-light);
    font-size: 0.86rem;
}
footer a { margin-right: 14px; }

@media (max-width: 620px) {
    .header-inner { align-items: flex-start; flex-direction: column; }
    nav { justify-content: flex-start; }
    .cards.two { grid-template-columns: 1fr; }
    main { padding-top: 42px; }
}

.form-panel {
    margin-top: 24px;
    padding: 22px 24px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface);
}

.form-field { margin-bottom: 16px; }
.form-field label {
    display: block;
    margin-bottom: 6px;
    color: var(--navy);
    font-size: 0.92rem;
    font-weight: 600;
}
.form-field input,
.form-field textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #cbd3dd;
    border-radius: 8px;
    font: inherit;
    color: var(--text);
    background: #fff;
    min-height: 40px;
}
.form-field input[readonly] {
    background: var(--alt);
    color: var(--muted);
}
.form-field textarea { min-height: 110px; resize: vertical; }
.form-field .hint {
    margin-top: 6px;
    color: var(--muted-light);
    font-size: 0.86rem;
}
.form-actions { margin-top: 20px; }
.button-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 16px;
    border: 0;
    border-radius: 8px;
    background: var(--primary);
    color: #fff;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    min-height: 40px;
}
.button-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}
.form-status {
    margin-top: 14px;
    padding: 12px 14px;
    border-radius: 8px;
    font-size: 0.92rem;
}
.form-status.error {
    color: #8a1c1c;
    background: rgba(214, 69, 69, 0.08);
    border: 1px solid rgba(214, 69, 69, 0.18);
}
.form-status.success {
    color: var(--success);
    background: rgba(22, 138, 107, 0.08);
    border: 1px solid rgba(22, 138, 107, 0.18);
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

.brand.brand-stack,
a.brand.brand-stack {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.15;
  gap: 2px;
  text-decoration: none;
}
.brand-stack .brand-name { font-weight: 600; }
.brand-stack .brand-by {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(143, 208, 255, 0.72);
  opacity: 1;
}
.hero-byline {
  margin: -6px 0 18px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--muted);
}

.endpoint {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--alt);
  color: var(--navy);
  font-size: 13px;
  margin-bottom: 16px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}