* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
:root {
  --blue: #005aff;
  --blue-dark: #0040cc;
  --blue-light: #e6efff;
  --blue-mid: #0047d4;
  --amber: #f59e0b;
  --green: #22c55e;
  --red: #ef4444;
  --bg: #f4f7ff;
  --card: #fff;
  --text: #0a0f1e;
  --muted: #5a6478;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
}
body {
  font-family: "Rubik", sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

nav {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--blue);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.logo-img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
}
.logo-text {
  font-weight: 900;
  font-size: 17px;
  color: var(--blue);
  letter-spacing: -0.3px;
}
.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}
.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover {
  color: var(--blue);
}
.nav-lang {
  display: flex;
  gap: 6px;
}
.lang-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  color: var(--muted);
  font-family: "Rubik", sans-serif;
  transition: all 0.2s;
}
.lang-btn.active {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}

footer {
  background: var(--text);
  color: rgba(255, 255, 255, 0.55);
  padding: 40px 24px;
}
.footer-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-logo {
  color: #fff;
  font-weight: 900;
  font-size: 15px;
  text-decoration: none;
}
.footer-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
  font-size: 13px;
  transition: color 0.2s;
}
.footer-links a:hover {
  color: #fff;
}
.footer-copy {
  font-size: 13px;
}

[data-tr],
[data-en] {
  display: none;
}
[data-tr].active,
[data-en].active {
  display: inline;
}
[data-tr-block],
[data-en-block] {
  display: none;
}
[data-tr-block].active,
[data-en-block].active {
  display: block;
}