.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 3px solid var(--glass-border);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--s4) 0 var(--s3);
}
.brand { display: flex; align-items: center; gap: var(--s3); }
.brand__logo {
  width: 48px; height: 48px; display: grid; place-items: center;
  background: var(--surface); border-radius: 12px; box-shadow: var(--shadow-1);
}

.site-title { color: var(--surface); font-size: 28px; font-weight: 700; letter-spacing: 0.2px; }
.site-subtitle { color: #e2e8f0; margin-top: 2px; }

.nav { display: flex; gap: var(--s3); }
.nav__link {
  padding: 10px 14px;
  border-radius: 10px;
  color: var(--surface);
  background: transparent;
  border: 3px solid transparent;
}
.nav__link:hover { background: rgba(255,255,255,0.08); }
.nav__link--active {
  border-color: rgba(255,255,255,0.35);
  background: rgba(255,255,255,0.16);
}

.site-footer {background:  var(--navy); padding: var(--s5) 0; border-top: 3px solid var(--border); }
.footer__inner { display: flex; align-items: center; justify-content: space-between; }
.footer__left { display: flex; align-items: center; gap: var(--s2); }
.footer__brand { color: var(--bg); font-weight: 600; }
.footer-info {
  background: linear-gradient(135deg, var(--surface-2), var(--surface-3));
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
  padding: var(--s3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.footer-info:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
}

/* grid dua kolom untuk layar besar */
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

/* item */
.footer-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--navy);
  margin-bottom: 12px;
}

.footer-item i {
  color: var(--blue);
  font-size: 18px;
}

.footer-item a {
  color: var(--blue);
  font-weight: 600;
  text-decoration: none;
}
.footer-item a:hover {
  text-decoration: underline;
}

.footer-item iframe {
  border-radius: 12px;
  max-width: 100%;
}

.footer-quote { margin-top: 16px; font-size: 13px; font-style: italic; color: var(--navy); display: flex; align-items: flex-start; gap: 8px; line-height: 1.5; } .footer-quote i { color: var(--navy); }