/* ==========================================================================
   qgate.systems — Header & Footer
   ========================================================================== */

/* ---- Header ---- */
/* Hidden for single-page scroll layout */
.site-header {
  display: none;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--sp-6);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  letter-spacing: var(--ls-tight);
  text-decoration: none;
}
.logo:hover { color: var(--color-text); }
.logo__mark {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

/* Desktop Nav */
.nav {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}
.nav__link {
  padding: var(--sp-2) var(--sp-3);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--dur-fast) var(--ease-smooth),
              background var(--dur-fast) var(--ease-smooth);
}
.nav__link:hover,
.nav__link--active {
  color: var(--color-text);
  background: rgba(255,255,255,.04);
}

.nav__cta {
  margin-left: var(--sp-3);
}

/* Mobile hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 32px;
  position: relative;
  color: var(--color-text);
}
.nav-toggle__bar {
  position: absolute;
  left: 4px;
  width: 24px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform var(--dur-base) var(--ease-out),
              opacity var(--dur-fast);
}
.nav-toggle__bar:nth-child(1) { top: 9px; }
.nav-toggle__bar:nth-child(2) { top: 15px; }
.nav-toggle__bar:nth-child(3) { top: 21px; }

/* Open state */
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 768px) {
  .nav-toggle { display: block; }

  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--color-bg);
    padding: var(--sp-6);
    transform: translateX(100%);
    transition: transform var(--dur-slow) var(--ease-out);
  }
  .nav[data-open="true"] {
    transform: translateX(0);
  }
  .nav__link {
    font-size: var(--fs-md);
    padding: var(--sp-4) var(--sp-4);
    border-bottom: 1px solid var(--color-border);
  }
  .nav__cta {
    margin-left: 0;
    margin-top: var(--sp-4);
  }
}

/* ---- Footer ---- */
/* Hidden for single-page scroll layout */
.site-footer {
  display: none;
}

.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-10);
  margin-bottom: var(--sp-12);
}

@media (max-width: 768px) {
  .footer__top {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-8);
  }
}
@media (max-width: 480px) {
  .footer__top {
    grid-template-columns: 1fr;
  }
}

.footer__brand-desc {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  line-height: var(--lh-normal);
  margin-top: var(--sp-3);
  max-width: 320px;
}

.footer__heading {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin-bottom: var(--sp-4);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.footer__links a {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}
.footer__links a:hover {
  color: var(--color-text);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-4);
  padding-top: var(--sp-8);
  border-top: 1px solid var(--color-border);
  font-size: var(--fs-xs);
  color: var(--color-text-dim);
}
.footer__bottom a {
  color: var(--color-text-dim);
}
.footer__bottom a:hover {
  color: var(--color-text-muted);
}
.footer__legal {
  display: flex;
  gap: var(--sp-4);
}