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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(180deg, var(--bg) 0%, #0b141e 100%);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: min(var(--max-width), 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(14, 26, 36, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 6px;
  border: 1px solid var(--line);
}

.brand-title {
  font-family: Rajdhani, Inter, sans-serif;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav a {
  color: var(--text-muted);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: 14px;
}

.nav a:hover,
.nav a.is-active {
  color: var(--text);
  border-color: var(--line);
  background: rgba(125, 211, 252, 0.08);
}

.menu-btn {
  display: none;
}

main {
  padding: 28px 0 64px;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #0c1721;
}

.footer-inner {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  color: var(--text-muted);
  font-size: 14px;
}

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

@media (max-width: 860px) {
  .menu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--line);
    background: var(--panel);
    color: var(--text);
  }

  .nav {
    display: none;
    position: absolute;
    top: 69px;
    left: 0;
    right: 0;
    padding: 10px 4vw;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
  }

  .nav.is-open {
    display: flex;
  }

  .nav a {
    width: 100%;
  }

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