/* ============ NAV (Mobile-first drawer) ============ */
.nav{
  position:sticky;top:0;z-index:100;
  background:var(--nav-bg);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
  transition:box-shadow .3s ease,background .3s ease;
}
.nav.scrolled{box-shadow:0 4px 24px rgba(16,26,51,.08)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:1rem;padding:10px 0}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:700;font-size:1.1rem;letter-spacing:-.01em;flex-shrink:0}
.brand-mark{width:38px;height:38px;border-radius:10px;background:linear-gradient(155deg,var(--blue),var(--blue-600));display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:var(--shadow-blue)}
.brand-mark svg{width:22px;height:22px}
.brand-mark img{background:transparent;box-shadow:none;border-radius:0;height:38px;width:auto}
.brand>span{white-space:nowrap}
.brand small{display:block;font-size:.62rem;font-weight:500;color:var(--slate);letter-spacing:.03em}

.nav-actions{display:flex;align-items:center;gap:.75rem}
.nav-toggle{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:var(--card);flex-shrink:0;border:1px solid var(--line-soft)}
.nav-toggle .icon{width:22px;height:22px;transition:transform .25s ease}
.nav-toggle:focus-visible{outline:2px solid var(--blue);outline-offset:2px}

.nav-drawer{
  position:fixed;top:0;right:0;height:100vh;width:80%;max-width:360px;min-width:280px;
  background:var(--paper);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .35s cubic-bezier(.22,.8,.28,1);
  z-index:200;display:flex;flex-direction:column;padding:5rem 1.5rem 2rem;gap:.25rem;overflow-y:auto;
}
.nav-drawer.open{transform:translateX(0)}
.nav-drawer-inner{display:flex;flex-direction:column;gap:.25rem}
.nav-drawer a{font-size:1.05rem;font-weight:500;color:var(--slate);padding:1rem 0;border-bottom:1px solid var(--line-soft);text-decoration:none}
.nav-drawer a:last-of-type{border-bottom:none}
.nav-drawer a:hover{color:var(--ink)}
.nav-drawer .btn-primary{margin-top:.5rem}

.nav-backdrop{
  position:fixed;inset:0;background:rgba(16,26,51,.45);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:150;
}
.nav-backdrop.open{opacity:1;visibility:visible}

/* Tablet/Desktop: keep same mobile drawer pattern - always hamburger */
/* No horizontal nav-links ever shown */

/* Hide Download Brochure button on very small screens to avoid overlap with brand */
@media (max-width: 480px) {
  .nav-actions .btn-secondary {
    display: none;
  }
}