html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: #1a1a1a;
  color: #e0e0e0;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: #6db3ff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 14px 24px;
  background: rgba(26, 26, 26, 0.94);
  border-bottom: 1px solid #3a3a3a;
  backdrop-filter: blur(8px);
}

.brand {
  color: #e0e0e0;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand span {
  color: #4a9eff;
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px;
  font-size: 14px;
}

.site-header nav a {
  color: #a0a0a0;
}

.site-header nav a.cta {
  color: #0e1620;
  background: #4a9eff;
  padding: 7px 14px;
  border-radius: 6px;
  font-weight: 700;
}

.site-header nav a.cta:hover {
  background: #6db3ff;
  text-decoration: none;
}

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}

.hero {
  margin-bottom: 56px;
}

.eyebrow {
  margin-bottom: 10px;
  color: #5ff0d5;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1 {
  margin: 0 0 16px;
  color: #f0f0f0;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.16;
}

h2 {
  margin: 48px 0 14px;
  padding-left: 12px;
  border-left: 3px solid #4a9eff;
  color: #f0f0f0;
  font-size: 24px;
}

h3 {
  margin: 28px 0 8px;
  color: #f0f0f0;
  font-size: 18px;
}

p {
  margin: 0 0 14px;
}

.lead {
  max-width: 760px;
  color: #b8b8b8;
  font-size: 18px;
}

.page-meta {
  margin-top: 12px;
  color: #888;
  font-size: 13px;
}

.answer-box {
  margin: 18px 0;
  padding: 16px 20px;
  border: 1px solid #3a3a3a;
  border-left: 3px solid #4a9eff;
  border-radius: 6px;
  background: #252525;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 18px;
  border-radius: 6px;
  font-weight: 700;
}

.btn.primary {
  color: #0e1620;
  background: #4a9eff;
}

.btn.ghost {
  color: #e0e0e0;
  border: 1px solid #444;
  background: transparent;
}

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

ul,
ol {
  margin: 0 0 16px 22px;
  padding: 0;
}

li {
  margin-bottom: 7px;
}

table {
  width: 100%;
  margin: 18px 0 24px;
  border: 1px solid #3a3a3a;
  border-collapse: collapse;
  background: #252525;
  font-size: 14px;
}

th,
td {
  padding: 12px 14px;
  border-bottom: 1px solid #3a3a3a;
  text-align: left;
  vertical-align: top;
}

th {
  background: #2d2d2d;
  color: #f0f0f0;
}

tr:last-child td {
  border-bottom: 0;
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.link-card {
  display: block;
  padding: 14px;
  border: 1px solid #3a3a3a;
  border-radius: 6px;
  background: #252525;
}

.link-card strong {
  display: block;
  color: #f0f0f0;
}

.link-card span {
  display: block;
  margin-top: 4px;
  color: #a0a0a0;
  font-size: 13px;
}

.site-footer {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px;
  border-top: 1px solid #3a3a3a;
  color: #777;
  font-size: 13px;
}

@media (max-width: 640px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    padding: 12px 16px;
  }

  .site-header nav {
    justify-content: flex-start;
    gap: 12px;
  }

  main {
    padding: 32px 18px 72px;
  }
}