* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0a1020;
  color: #fff;
}

a {
  color: inherit;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.topbar {
  background: rgba(8, 12, 24, 0.95);
  border-bottom: 1px solid #1e293b;
  position: sticky;
  top: 0;
  z-index: 20;
}

.topbar-inner {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  text-decoration: none;
  font-weight: 700;
}

.brand img {
  display: block;
  height: 36px;
  width: auto;
}

.menu {
  display: flex;
  gap: 16px;
}

.menu a {
  color: #cbd5e1;
  text-decoration: none;
  font-size: 14px;
}

.action-row {
  display: flex;
  gap: 8px;
}

.pill {
  border: 1px solid #334155;
  border-radius: 10px;
  padding: 8px 12px;
  text-decoration: none;
  font-size: 13px;
}

.pill.primary {
  border-color: transparent;
  background: linear-gradient(135deg, #00c3ff, #006dff);
}

.hero {
  background:
    linear-gradient(100deg, rgba(10, 16, 32, 0.88), rgba(10, 16, 32, 0.58)),
    url("https://images.pexels.com/photos/3165335/pexels-photo-3165335.jpeg?auto=compress&cs=tinysrgb&w=1920")
      center/cover no-repeat;
}

.hero-inner {
  padding: 88px 0 74px;
}

.hero h1 {
  margin: 0 0 14px;
  max-width: 860px;
  font-size: 42px;
  line-height: 1.15;
}

.hero p {
  margin: 0;
  max-width: 840px;
  color: #dbe4ef;
  line-height: 1.7;
}

.cta {
  margin-top: 24px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn {
  text-decoration: none;
  border-radius: 12px;
  padding: 12px 18px;
  font-weight: 700;
  display: inline-block;
}

.btn.primary {
  background: linear-gradient(135deg, #00c3ff, #007bff);
}

.btn.secondary {
  background: #0f172a;
  border: 1px solid #334155;
}

.section {
  padding: 34px 0 42px;
}

.lang-center {
  text-align: center;
  margin: 18px 0 24px;
}

.lang-center h2 {
  margin: 0 0 12px;
  font-size: 18px;
  color: #cbd5e1;
}

.lang-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.lang-btn {
  display: inline-block;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid #334155;
  background: #111827;
  text-decoration: none;
  font-size: 13px;
}

.lang-btn.active {
  border-color: transparent;
  background: linear-gradient(135deg, #00c3ff, #007bff);
}

.card {
  background: #0f172a;
  border: 1px solid #1e293b;
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 18px;
}

.card h2 {
  margin-top: 0;
}

.card h3 {
  margin-bottom: 8px;
}

.card p,
.card li {
  color: #d1d5db;
  line-height: 1.7;
}

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

.toc a {
  color: #8dd8ff;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
}

th,
td {
  border: 1px solid #243348;
  padding: 10px 12px;
  text-align: left;
}

th {
  background: #132239;
}

.faq-item {
  padding: 10px 0;
  border-bottom: 1px solid #233247;
}

.faq-item:last-child {
  border-bottom: 0;
}

@media (max-width: 880px) {
  .menu {
    display: none;
  }
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 30px;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .lang-list {
    flex-wrap: nowrap;
    overflow-x: auto;
    justify-content: flex-start;
    padding-bottom: 6px;
  }
}