:root {
  --bg: #0a0b0d;
  --surface: #12141a;
  --border: #1e222c;
  --text: #e8eaef;
  --muted: #8b919d;
  --accent: #5b8def;
  --accent-hover: #7aa3f5;
  --radius: 10px;
  --max: 720px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

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

.skip {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip:focus {
  left: 16px;
  top: 16px;
  width: auto;
  height: auto;
  padding: 8px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  z-index: 100;
}

.site-header {
  border-bottom: 1px solid var(--border);
  padding: 9px 20px;
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.brand img {
  height: 36px;
  width: 36px;
  display: block;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--muted);
  font-size: 13px;
}

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

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px 80px;
}

.kicker {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin: 0 0 12px;
}

.hero {
  padding: 56px 0 48px;
  border-bottom: 1px solid var(--border);
}

.hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0 0 16px;
}

.hero-lead {
  color: var(--muted);
  font-size: 1.05rem;
  margin: 0 0 28px;
  max-width: 62ch;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: #0a0b0d;
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #0a0b0d;
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
}

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

.meta-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.meta-item dt {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin: 0 0 6px;
}

.meta-item dd {
  margin: 0;
  font-size: 15px;
}

section {
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
}

section:last-of-type {
  border-bottom: none;
}

h2 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}

h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 24px 0 8px;
}

p {
  margin: 0 0 14px;
  color: var(--muted);
  max-width: 65ch;
}

p strong,
li strong {
  color: var(--text);
}

ul {
  margin: 0 0 16px;
  padding-left: 1.2em;
  color: var(--muted);
  max-width: 65ch;
}

li {
  margin-bottom: 8px;
}

.steps {
  margin-top: 28px;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px 20px;
  align-items: start;
  margin-bottom: 28px;
}

.step-num {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  min-width: 2rem;
}

.step-body h3 {
  margin: 0 0 8px;
}

.step-body p {
  margin: 0;
}

.grid-2 {
  display: grid;
  gap: 20px;
  margin-top: 20px;
}

@media (min-width: 560px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.card p {
  margin: 0;
  font-size: 14px;
}

.faq-item {
  margin-bottom: 22px;
}

.faq-item h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  color: var(--text);
}

.faq-item p {
  margin: 0;
  font-size: 15px;
}

.sources {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.source-link {
  display: block;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  transition: border-color 0.15s;
}

.source-link:hover {
  border-color: var(--muted);
  color: var(--text);
}

.source-link span {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-top: 4px;
}

.site-footer {
  padding: 32px 24px 48px;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}

.site-footer p {
  margin: 0 auto;
  max-width: 50ch;
}