/* ============================================================
   WEBAMBOSS — Layout: Header, Navigation, Footer
   ============================================================ */

/* ---- HEADER ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(30, 33, 39, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background-color var(--transition-base);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  height: 68px;
}

/* ---- NAV DESKTOP ---- */
.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav__link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  white-space: nowrap;
}

.nav__link:hover,
.nav__link.active {
  color: var(--text-headline);
  background-color: rgba(244, 241, 234, 0.06);
}

/* ---- HAMBURGER ---- */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--text-headline);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---- MOBILE NAV DRAWER ---- */
@media (max-width: 767px) {
  .nav-toggle { display: flex; }

  .nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background-color: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    padding: var(--space-sm);
  }

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

  .nav__link {
    padding: 0.875rem 1rem;
    border-radius: var(--radius-md);
  }

  .header-inner .btn { display: none; }
}

/* ---- FOOTER ---- */
.site-footer {
  background-color: var(--bg-footer);
  border-top: 1px solid var(--border);
  padding-block: var(--space-xl) var(--space-lg);
}

.footer-grid {
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}

.footer-brand p {
  font-size: var(--text-sm);
  color: var(--text-faint);
  margin-top: var(--space-sm);
  max-width: 280px;
  line-height: 1.6;
}

.footer-nav h4 {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: var(--space-sm);
}

.footer-nav ul {
  display: grid;
  gap: 0.5rem;
}

.footer-nav a {
  font-size: var(--text-sm);
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-nav a:hover { color: var(--text-headline); }

.footer-bottom {
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

.footer-bottom p {
  font-size: var(--text-sm);
  color: var(--text-faint);
}

.footer-legal {
  display: flex;
  gap: var(--space-md);
}

.footer-legal a {
  font-size: var(--text-sm);
  color: var(--text-faint);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-legal a:hover { color: var(--text-headline); }