*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #080a0f;
  --bg2: #0d0f14;
  --border: rgba(255,255,255,.08);
  --accent: #2563eb;
  --accent2: #3b82f6;
  --text: #fff;
  --body: rgba(255,255,255,.72);
  --muted: #8a94a3;
  --card: rgba(255,255,255,.03);
}

html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: "Space Grotesk", -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }

nav {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 60px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: rgba(8,10,15,.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { width: auto; height: 42px; }
.nav-logo span { font-size: 18px; font-weight: 800; letter-spacing: -.03em; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  color: rgba(255,255,255,.58);
  font-size: 14px;
  padding: 6px 10px;
  border-radius: 8px;
}
.nav-links a:hover { color: #fff; background: rgba(255,255,255,.06); }
.nav-links a[aria-current="page"] { color: #fff; background: rgba(255,255,255,.08); }
.nav-cta {
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: 999px;
  white-space: nowrap;
}

.shell { width: min(100% - 48px, 960px); margin: 0 auto; }
.hero { padding: 72px 0 48px; }
.eyebrow {
  display: block;
  color: var(--accent2);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
h1 {
  max-width: 800px;
  font-size: clamp(34px, 6vw, 58px);
  line-height: 1.05;
  letter-spacing: -.035em;
  margin-bottom: 18px;
}
.hero p { max-width: 720px; color: var(--muted); font-size: 17px; }

.guides-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: 0 0 88px;
}
.guide-card {
  display: flex;
  flex-direction: column;
  min-height: 235px;
  padding: 28px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  transition: transform .2s, border-color .2s;
}
.guide-card:hover { transform: translateY(-2px); border-color: rgba(59,130,246,.35); }
.guide-card .tag {
  color: var(--accent2);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.guide-card h2 { font-size: 22px; line-height: 1.2; margin-bottom: 10px; }
.guide-card p { color: var(--muted); font-size: 14px; flex: 1; }
.guide-card .read { color: var(--accent2); font-size: 14px; font-weight: 700; margin-top: 22px; }

.article {
  width: min(100% - 48px, 760px);
  margin: 0 auto;
  padding: 58px 0 88px;
}
.breadcrumbs { color: var(--muted); font-size: 13px; margin-bottom: 30px; }
.breadcrumbs a { color: var(--accent2); }
.article h1 {
  font-size: clamp(32px, 5vw, 48px);
  margin-bottom: 18px;
}
.article .dek {
  color: var(--body);
  font-size: 18px;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}
.disclaimer {
  color: var(--muted);
  background: rgba(37,99,235,.07);
  border: 1px solid rgba(59,130,246,.24);
  border-radius: 14px;
  padding: 16px 18px;
  font-size: 13px;
  margin: 0 0 36px;
}
.disclaimer strong { color: rgba(255,255,255,.78); }
.article h2 {
  font-size: 25px;
  line-height: 1.25;
  letter-spacing: -.02em;
  margin: 42px 0 14px;
}
.article h3 { font-size: 18px; margin: 26px 0 8px; }
.article p { color: var(--body); margin-bottom: 17px; }
.article ul, .article ol { color: var(--body); padding-left: 22px; margin: 0 0 20px; }
.article li { margin-bottom: 9px; padding-left: 5px; }
.article strong { color: #fff; }
.answer-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px 24px;
  margin: 26px 0;
}
.answer-box h2 { margin: 0 0 10px; font-size: 20px; }
.answer-box p:last-child { margin-bottom: 0; }
.article-cta {
  margin-top: 52px;
  padding: 32px;
  text-align: center;
  background: linear-gradient(135deg, rgba(37,99,235,.12), rgba(37,99,235,.04));
  border: 1px solid rgba(59,130,246,.28);
  border-radius: 20px;
}
.article-cta h2 { margin: 0 0 8px; }
.article-cta p { color: var(--muted); }
.article-cta a {
  display: inline-block;
  margin-top: 8px;
  background: var(--accent);
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 700;
}

footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  color: var(--muted);
  text-align: center;
  font-size: 13px;
}
.footer-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 18px; margin-bottom: 10px; }
.footer-links a:hover { color: #fff; }

@media (max-width: 700px) {
  nav {
    height: auto;
    min-height: 60px;
    padding: 8px 18px;
    flex-wrap: wrap;
  }
  .nav-links {
    order: 3;
    width: 100%;
    justify-content: center;
    padding-top: 6px;
    border-top: 1px solid var(--border);
  }
  .nav-links a { padding: 5px 8px; font-size: 13px; }
  .shell, .article { width: min(100% - 36px, 760px); }
  .hero { padding-top: 48px; }
  .guides-grid { grid-template-columns: 1fr; }
}