.site-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 70% 45% at 80% 0%, rgba(8, 145, 178, 0.1), transparent 55%),
    radial-gradient(ellipse 50% 40% at 0% 30%, rgba(14, 116, 144, 0.06), transparent 50%),
    linear-gradient(180deg, #ffffff 0%, #f7fafc 48%, #ffffff 100%);
}

.site-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(20, 50, 80, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 50, 80, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 75% 55% at 50% 20%, black, transparent 78%);
  pointer-events: none;
  opacity: 0.7;
}

.wrap {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.25rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: inherit;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav-brand img {
  width: 36px;
  height: 36px;
}

.nav-brand span {
  font-size: 1rem;
  color: var(--text);
}

.nav-brand em {
  font-style: normal;
  color: var(--cyan);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem 1.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text);
}

.nav-links .btn-primary,
.nav-links .btn-primary:hover,
.nav-links a.btn-primary[aria-current="page"] {
  color: #ffffff;
}

.nav-links .nav-donate {
  color: #b91c1c;
  font-weight: 650;
}

.nav-links .nav-donate:hover,
.nav-links .nav-donate[aria-current="page"] {
  color: #991b1b;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--text);
  border-radius: 10px;
  padding: 0.55rem 0.75rem;
  cursor: pointer;
}

.site-footer {
  margin-top: 5rem;
  border-top: 1px solid var(--line);
  padding: 2.5rem 0 3rem;
  background: #f8fafc;
}

.footer-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1.4fr 1fr 1fr;
}

.footer-grid h3 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 0.8em;
  font-family: var(--font-body);
  font-weight: 700;
}

.footer-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-grid li {
  margin: 0.35em 0;
}

.footer-grid a {
  color: var(--muted);
  text-decoration: none;
}

.footer-grid a:hover {
  color: var(--cyan-deep);
}

.footer-note {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-size: 0.88rem;
  color: var(--muted);
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 4.25rem;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem 1.25rem 1.25rem;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--line);
  }

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

  .nav-links a {
    padding: 0.75rem 0.2rem;
    border-bottom: 1px solid var(--line);
  }

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