:root {
  --bg: #0b1220;
  --card: #111b2d;
  --text: #f7f9fc;
  --muted: #b9c4d6;
  --line: #22304a;
  --accent: #2f80ed;
  --accent2: #7b61ff;
  --max: 980px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  background: linear-gradient(180deg, #0b1220 0%, #0d1626 100%);
  color: var(--text);
  line-height: 1.65;
}

a {
  color: #8ec5ff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.wrap {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
}

header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(11, 18, 32, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.nav {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.15rem;
  color: white;
}

.logo {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent2), var(--accent));
  box-shadow: 0 8px 24px rgba(47, 128, 237, 0.25);
  font-size: 21px;
}

nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

nav a {
  color: var(--muted);
  font-weight: 600;
}

.hero {
  padding: 86px 0 60px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2.4rem, 8vw, 4.8rem);
  margin: 0 0 14px;
  line-height: 1.03;
}

.hero p {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 700px;
  margin: 0 auto 28px;
}

.actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.actions.left {
  justify-content: flex-start;
}

.btn {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: white;
  font-weight: 700;
}

.btn.secondary {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
}

section {
  padding: 34px 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.card {
  background: rgba(17, 27, 45, 0.9);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
}

.card h2,
.card h3 {
  margin-top: 0;
}

.muted {
  color: var(--muted);
}

.page-title {
  padding: 58px 0 22px;
}

.page-title h1 {
  font-size: clamp(2rem, 6vw, 3.2rem);
  margin: 0 0 8px;
}

.policy {
  background: rgba(17, 27, 45, 0.78);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 26px;
}

.policy h2 {
  margin-top: 32px;
  font-size: 1.28rem;
}

.policy h2:first-child {
  margin-top: 0;
}

.lang-switch {
  display: flex;
  gap: 8px;
  margin: 0 0 22px;
  flex-wrap: wrap;
}

.lang-switch button {
  appearance: none;
  border: 1px solid var(--line);
  background: #0f192a;
  color: var(--muted);
  padding: 9px 14px;
  border-radius: 10px;
  font-weight: 700;
  cursor: pointer;
}

.lang-switch button.active {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: white;
  border-color: transparent;
}

.lang-block[hidden] {
  display: none;
}

.notice {
  border-left: 4px solid var(--accent);
  background: rgba(47, 128, 237, 0.09);
  padding: 14px 16px;
  border-radius: 8px;
  margin: 18px 0;
}

footer {
  border-top: 1px solid var(--line);
  margin-top: 54px;
  padding: 30px 0 50px;
  color: var(--muted);
  font-size: 0.95rem;
}

footer .footer-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

ul {
  padding-left: 22px;
}

code {
  background: #0a101b;
  padding: 2px 6px;
  border-radius: 6px;
}

@media (max-width: 760px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .nav {
    align-items: flex-start;
    padding: 14px 0;
    flex-direction: column;
  }

  nav {
    padding-bottom: 8px;
  }

  .hero {
    padding-top: 58px;
  }

  .policy {
    padding: 20px;
  }
}