:root {
  --bg: #f3f6fb;
  --surface: #ffffff;
  --ink: #0c1733;
  --muted: #3a4a63;
  --navy: #011a4a;
  --blue: #0053fa;
  --blue-dark: #0041c8;
  --blue-soft: #e7efff;
  --brand: var(--blue);
  --brand-dark: var(--blue-dark);
  --accent: var(--blue);
  --border: #d5deea;
  --field: #6d84a3;
  --radius: 14px;
  --shadow: 0 12px 32px rgba(1, 26, 74, 0.08);
  --sans: "Segoe UI", system-ui, -apple-system, sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --header-offset: 5.25rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; color-scheme: light; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  accent-color: var(--blue);
}
main { flex: 1; }
img { max-width: 100%; height: auto; }
a { color: var(--blue); }
a:hover { color: var(--navy); }
:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
}
::selection { background: #d6e4ff; color: var(--navy); }

h1, h2, h3 {
  font-family: var(--serif);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--navy);
}
h1 { font-size: clamp(2.1rem, 4.4vw, 3.35rem); margin: 0 0 1rem; }
h2 { font-size: clamp(1.55rem, 2.6vw, 2.15rem); margin: 0 0 0.75rem; }
h3 { font-size: 1.25rem; margin: 0 0 0.45rem; letter-spacing: -0.01em; }
p { margin: 0 0 0.9rem; }

.container { width: min(1100px, calc(100% - 2rem)); margin-inline: auto; }
.narrow { width: min(760px, calc(100% - 2rem)); margin-inline: auto; }
.measure { max-width: 42rem; }
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--navy);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: 0.5rem; top: 0.5rem; }
.skip-link:hover { color: #fff; }

.site-header {
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  flex-wrap: wrap;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 800;
  text-decoration: none;
  color: var(--navy);
  letter-spacing: -0.02em;
  min-width: 0;
}
.logo:hover { color: var(--navy); }
.logo-mark { display: block; width: 7.5rem; height: auto; flex: 0 0 auto; }
.logo-name { line-height: 1.15; }
.nav { display: flex; gap: 0.35rem 1rem; align-items: center; flex-wrap: wrap; }
.nav a { text-decoration: none; color: var(--muted); font-weight: 650; }
.nav a:hover { color: var(--ink); }
.nav a[aria-current="page"]:not(.nav-cta) {
  color: var(--ink);
  box-shadow: inset 0 -2px 0 var(--brand);
}

.nav-cta, .btn {
  display: inline-block;
  background: var(--brand);
  color: #fff !important;
  text-decoration: none;
  padding: 0.75rem 1.15rem;
  border-radius: 999px;
  font-weight: 700;
  border: 2px solid var(--brand);
  cursor: pointer;
  font: inherit;
  line-height: 1.2;
}
.nav-cta { padding: 0.55rem 0.95rem; }
.nav-cta:hover, .btn:hover { background: var(--brand-dark); border-color: var(--brand-dark); }
.btn-secondary {
  background: transparent;
  color: var(--navy) !important;
  border-color: var(--blue);
}
.btn-secondary:hover { background: var(--blue-soft); color: var(--navy) !important; }
.btn[disabled] { opacity: 0.7; cursor: wait; }

.hero {
  padding: 3.5rem 0 3rem;
  background:
    radial-gradient(circle at top right, rgba(0, 83, 250, 0.16), transparent 46%),
    radial-gradient(circle at 8% 90%, rgba(1, 26, 74, 0.07), transparent 36%),
    linear-gradient(180deg, #fff 0%, var(--bg) 100%);
}
.hero-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1.25fr 0.9fr;
  align-items: center;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 800;
  margin: 0 0 0.75rem;
  font-family: var(--sans);
}
.lead { font-size: 1.15rem; color: var(--muted); margin: 0 0 1.25rem; }
.cta-row { display: flex; gap: 0.75rem; flex-wrap: wrap; align-items: center; }
.fine { color: var(--muted); font-size: 0.95rem; margin: 1rem 0 0; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.3rem;
  box-shadow: var(--shadow);
}
.hero-card { border-top: 4px solid var(--brand); }
.check-list { list-style: none; padding: 0; margin: 0.4rem 0 0; }
.check-list li {
  position: relative;
  padding-left: 1.6rem;
  margin: 0.55rem 0;
  color: var(--muted);
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 0.7rem;
  height: 0.35rem;
  border-left: 2px solid var(--brand);
  border-bottom: 2px solid var(--brand);
  transform: rotate(-45deg);
}

.section { padding: 3.25rem 0; }
.section-alt { background: #eaf0fa; border-block: 1px solid var(--border); }
.section-intro { max-width: 40rem; margin-bottom: 1.5rem; }
.section-intro p:last-child { margin-bottom: 0; }
.stack { display: grid; gap: 1rem; }
.grid-3, .grid-2 { display: grid; gap: 1rem; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: 1fr 1fr; }
.card h3 + p, .card p:last-child { margin-bottom: 0; }
.muted { color: var(--muted); }
.kicker {
  display: block;
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--brand-dark);
  margin-bottom: 0.4rem;
}

.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, 1fr);
  counter-reset: step;
}
.steps li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem 1.2rem 1.1rem;
  counter-increment: step;
}
.steps li::before {
  content: counter(step);
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  margin-bottom: 0.8rem;
  border-radius: 999px;
  background: rgba(0, 83, 250, 0.12);
  color: var(--navy);
  font-weight: 800;
}
.steps p:last-child { margin-bottom: 0; color: var(--muted); }

.pills { display: flex; flex-wrap: wrap; gap: 0.5rem; padding: 0; margin: 0.5rem 0 0; list-style: none; }
.pills li {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.28rem 0.75rem;
  font-weight: 650;
}

.faq { display: grid; gap: 0.65rem; }
.faq details {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.85rem 1rem;
}
.faq summary { cursor: pointer; font-weight: 750; }
.faq summary:hover { color: var(--brand-dark); }
.faq details p { margin: 0.75rem 0 0; color: var(--muted); }

.crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 1rem;
}
.crumbs a { text-decoration: none; }
.crumbs [aria-current="page"] { color: var(--ink); font-weight: 650; }

.guide-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 2rem;
  align-items: start;
}
.toc {
  position: sticky;
  top: var(--header-offset);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}
.toc p { margin: 0 0 0.5rem; font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; font-weight: 800; color: var(--accent); }
.toc ol { margin: 0; padding-left: 1.1rem; }
.toc li { margin: 0.35rem 0; }
.toc a { text-decoration: none; }

.prose { color: var(--ink); }
.prose h2 { margin-top: 2.2rem; scroll-margin-top: var(--header-offset); }
.prose h3 { margin-top: 1.4rem; }
.prose ul, .prose ol { padding-left: 1.2rem; }
.prose li { margin: 0.35rem 0; }
.prose .prompt {
  background: var(--navy);
  color: #e8eef8;
  border-radius: 12px;
  padding: 1rem 1.1rem;
  overflow-x: auto;
  font-family: "Cascadia Mono", "Segoe UI Mono", ui-monospace, monospace;
  font-size: 0.88rem;
  line-height: 1.5;
  white-space: pre-wrap;
}
.table-wrap { overflow-x: auto; margin: 1rem 0; }
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { text-align: left; padding: 0.7rem 0.8rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 0.82rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); }

.page-intro { padding: 2.5rem 0 0; }
.form-card { max-width: 680px; }
label { display: block; font-weight: 750; margin: 0 0 0.35rem; }
input, textarea, select {
  width: 100%;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--field);
  border-radius: 10px;
  font: inherit;
  font-size: 1rem;
  background: #fff;
  margin-bottom: 1rem;
  color: var(--ink);
}
textarea { min-height: 8rem; resize: vertical; }
input:focus, textarea:focus, select:focus {
  outline: 2px solid var(--blue);
  border-color: var(--blue);
  outline-offset: 1px;
}
::placeholder { color: #5c7394; opacity: 1; }
.consent {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  margin: 0 0 1rem;
}
.consent input { width: 1.1rem; height: 1.1rem; margin: 0.2rem 0 0; flex: 0 0 auto; }
.consent label { font-weight: 600; }
.honeypot {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.form-note { font-size: 0.92rem; color: var(--muted); margin: 0.85rem 0 0; }
.banner {
  background: var(--blue-soft);
  border: 1px solid #b7cdfb;
  border-left: 4px solid var(--blue);
  border-radius: 12px;
  padding: 0.9rem 1rem;
  margin: 0 0 1rem;
  color: var(--navy);
}

.site-footer {
  background: var(--navy);
  color: #e8eef8;
  margin-top: auto;
  padding: 2.4rem 0 1.4rem;
}
.site-footer a { color: #fff; }
.site-footer a:hover { color: #fff; }
.site-footer :focus-visible { outline-color: #fff; }
.footer-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1.4fr 1fr 1fr;
}
.footer-logo {
  display: inline-block;
  background: #fff;
  border-radius: 16px;
  padding: 0.7rem 0.85rem 0.55rem;
  margin: 0 0 0.9rem;
  line-height: 0;
}
.footer-logo img { display: block; width: 12.75rem; height: auto; }
.footer-label {
  margin: 0 0 0.45rem;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 800;
  color: #b9cbe4;
}
.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin: 0.28rem 0; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { text-decoration: underline; }
.footer-base {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  margin-top: 1.5rem;
  padding-top: 1rem;
  color: #c5d4ea;
  font-size: 0.92rem;
}
.footer-base p { margin: 0; }
.site-footer p { overflow-wrap: anywhere; }

@media (max-width: 960px) {
  .grid-3, .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 800px) {
  .hero-grid, .guide-layout, .grid-2, .footer-grid { grid-template-columns: 1fr; }
  .toc { position: static; }
  .hero { padding-top: 2.4rem; }
}
@media (max-width: 640px) {
  .grid-3, .steps { grid-template-columns: 1fr; }
  .header-inner { align-items: flex-start; }
  .nav { width: 100%; }
  .logo-mark { width: 5.75rem; }
  .logo-name { font-size: 0.98rem; }
  .footer-logo img { width: 11.5rem; }
}

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

@media print {
  .site-header, .site-footer, .toc, .cta-row, .nav-cta { display: none !important; }
  body { background: #fff; color: #000; }
  .hero, .section-alt, .card { background: #fff; box-shadow: none; }
  a { color: #000; text-decoration: underline; }
}