.container {
  width: min(var(--container), calc(100% - 32px));
  margin-inline: auto;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-h);
  z-index: 50;
  transition: all .25s ease;
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  background: rgba(2, 8, 16, 0.85);
  backdrop-filter: blur(10px);
  border-bottom-color: rgba(255, 255, 255, .08);
  box-shadow: var(--shadow-soft);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: var(--space-3);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-white);
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1;
}

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

.nav-links {
  display: none;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  color: var(--text-gray-400);
  font-weight: 600;
  font-size: .95rem;
}
.nav-links a:hover { color: var(--text-white); }

.nav-actions {
  display: none;
  align-items: center;
  gap: 12px;
}

.mobile-toggle {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 12px;
  background: transparent;
}

.mobile-menu {
  display: none;
  margin-top: 8px;
  border: 1px solid rgba(255,255,255,.1);
  background: rgba(5, 10, 14, 0.95);
  backdrop-filter: blur(12px);
  border-radius: 16px;
  padding: 14px;
}
.mobile-menu.open { display: block; }
.mobile-menu a { display: block; padding: 10px; color: var(--text-gray-400); }
.mobile-menu .btn { margin: 8px 10px; width: calc(100% - 20px); justify-content: center; }

.site-main { padding-top: var(--header-h); }

.site-footer {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 36px 0;
}

.footer-wrap {
  display: grid;
  gap: 16px;
}

.footer-links { display: flex; flex-wrap: wrap; gap: 20px; color: var(--text-gray-500); }

@media (min-width: 768px) {
  .nav-links, .nav-actions { display: flex; }
  .mobile-toggle, .mobile-menu { display: none !important; }
  .footer-wrap { grid-template-columns: 1fr auto auto; align-items: center; }
}