:root {
  --orange: #fc6423;
  --orange-btn: #fe4306;
  --bg: #000;
  --card: #111;
  --border: #222;
  --text-muted: #888;
  --text-sub: #c1c1c1;
}

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

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  background: var(--bg);
  color: #fff;
}

a {
  color: inherit;
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(0, 0, 0, 0.8);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.brand {
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.2px;
}

.lang-switch a {
  color: var(--text-sub);
  text-decoration: none;
  font-size: 14px;
  margin-left: 14px;
}

.lang-switch a.active {
  color: #fff;
}

.hero {
  padding: 96px 0 48px;
}

h1 {
  margin: 0 0 16px;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.08;
  letter-spacing: -1.2px;
}

.subtitle {
  margin: 0;
  max-width: 760px;
  color: var(--text-sub);
  font-size: 18px;
  line-height: 1.65;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  text-decoration: none;
  border-radius: 10px;
  padding: 12px 22px;
  font-weight: 700;
  font-size: 15px;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--orange-btn);
}

.btn-secondary {
  border-color: var(--border);
  color: var(--text-sub);
}

.grid {
  display: grid;
  gap: 20px;
}

.sections {
  grid-template-columns: 1fr;
  margin: 18px 0 24px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
}

h2 {
  margin: 0 0 10px;
  font-size: clamp(24px, 3vw, 34px);
  letter-spacing: -0.6px;
}

h3 {
  margin: 0 0 8px;
  font-size: 20px;
}

p,
li {
  color: var(--text-sub);
  line-height: 1.7;
  font-size: 16px;
}

.list {
  margin: 0;
  padding-left: 20px;
}

.faq-item + .faq-item {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 14px;
  color: #fff;
}

.footer {
  border-top: 1px solid var(--border);
  margin-top: 64px;
  padding: 32px 0 56px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin-bottom: 10px;
}

.footer a {
  color: var(--text-sub);
  text-decoration: none;
}

.muted {
  color: var(--text-muted);
  font-size: 14px;
}

@media (max-width: 768px) {
  .hero {
    padding-top: 74px;
  }
  .subtitle {
    font-size: 16px;
  }
}