:root {
  --bg: #fafbfc;
  --surface: #ffffff;
  --ink: #0f1419;
  --muted: #5a6b7a;
  --line: #e4e9ee;
  --accent: #0d9488;
  --accent-hover: #0f766e;
  --max: 52rem;
  --radius: 10px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 100;
  padding: 0.5rem 1rem;
  background: var(--ink);
  color: #fff;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.45rem 1.15rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
  color: var(--accent);
}

.brand img {
  height: 28px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.875rem;
}

.nav-links a {
  color: var(--muted);
}

.nav-links a:hover {
  color: var(--ink);
}

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

.hero {
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 2.5rem;
}

.eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.75rem;
}

.hero h1 {
  font-size: clamp(1.85rem, 4vw, 2.35rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.lead {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 40em;
  margin: 0 0 1.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.15rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
}

.btn-ghost {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--line);
}

.btn-ghost:hover {
  border-color: var(--muted);
  color: var(--ink);
}

.meta-strip {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem 1.5rem;
  padding: 1.25rem 0 2.5rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 2.5rem;
}

.meta-item dt {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 0 0 0.25rem;
}

.meta-item dd {
  margin: 0;
  font-weight: 600;
  font-size: 0.95rem;
}

section {
  margin-bottom: 2.75rem;
}

section h2 {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.section-intro {
  color: var(--muted);
  margin: 0 0 1.25rem;
  max-width: 42em;
}

.subsection {
  margin-top: 1.75rem;
}

.subsection h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
}

.subsection p {
  margin: 0 0 0.75rem;
  color: var(--muted);
  max-width: 42em;
}

.card-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

@media (min-width: 640px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.15rem;
}

.card h4 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
}

.card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
}

.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}

.steps li {
  position: relative;
  padding-left: 3rem;
  margin-bottom: 1.25rem;
  min-height: 2.5rem;
}

.steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.steps strong {
  display: block;
  margin-bottom: 0.25rem;
}

.steps span {
  color: var(--muted);
  font-size: 0.95rem;
}

.faq {
  border-top: 1px solid var(--line);
  padding-top: 2rem;
}

.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 1rem 0;
}

.faq-item h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
}

.faq-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
  color: var(--muted);
}

.site-footer p {
  margin: 0 0 0.5rem;
}

@media (max-width: 520px) {
  .nav-links {
    display: none;
  }
}