/* ===========================
   Header & Footer
   =========================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 250, 248, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.header-shell {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 76px;
}

.logo-btn { display: flex; align-items: center; }
.logo-img { display: block; }
.logo-full { height: 36px; width: auto; }
.logo-icon { height: 42px; width: auto; }

.logo-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.logo-badge img { height: 38px; width: 38px; border-radius: 8px; }
.logo-badge-text { display: flex; flex-direction: column; line-height: 1; }
.logo-badge-name {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
  color: var(--accent);
  letter-spacing: 0.02em;
}
.logo-badge-sub {
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-top: 4px;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  margin-left: 16px;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-3);
  padding: 8px 14px;
  border-radius: 100px;
  transition: all 0.2s;
  white-space: nowrap;
}
.nav-link:hover { color: var(--ink); background: var(--paper-2); }
.nav-link.is-active { color: var(--ink); background: var(--paper-2); }

.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.menu-toggle {
  display: none;
  padding: 8px;
  border: 1px solid var(--line-2);
  border-radius: 8px;
}

@media (max-width: 980px) {
  .primary-nav, .header-cta { display: none; }
  .menu-toggle { display: flex; margin-left: auto; }
}

.mobile-menu {
  display: flex;
  flex-direction: column;
  padding: 12px 20px 20px;
  border-top: 1px solid var(--line);
  background: var(--paper);
  gap: 4px;
}
.mobile-link {
  text-align: left;
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 500;
  border-radius: 12px;
}
.mobile-link:hover { background: var(--paper-2); }

/* ============ Footer ============ */
.site-footer {
  background: var(--ink);
  color: rgba(255,255,255,0.7);
  padding: 80px 0 0;
  margin-top: 0;
}

.footer-shell {
  display: grid;
  grid-template-columns: 1.2fr 3fr;
  gap: 64px;
  padding-bottom: 64px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.footer-logo {
  width: 56px;
  height: 56px;
  background: var(--accent);
  border-radius: 12px;
  padding: 8px;
  object-fit: contain;
}
.footer-brand-name {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
  color: white;
  line-height: 1.1;
  margin-bottom: 6px;
}
.footer-brand-tag { font-size: 13px; color: rgba(255,255,255,0.5); }

.footer-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col h4 {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: white;
  margin-bottom: 8px;
}
.footer-col button,
.footer-col a,
.footer-col span {
  text-align: left;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  line-height: 1.5;
}
.footer-col button:hover,
.footer-col a:hover { color: var(--accent); }
.footer-hint { color: rgba(255,255,255,0.4) !important; font-style: italic; font-size: 12px !important; margin-top: 4px; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding: 24px 32px;
  font-size: 12px;
  color: rgba(255,255,255,0.4);
}

@media (max-width: 980px) {
  .footer-shell { grid-template-columns: 1fr; gap: 40px; }
  .footer-cols { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; padding: 24px 20px; }
}