/* ── NAVIGATION ────────────────────────────────────── */

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 40px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s ease;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-icon { display: flex; align-items: center; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-3);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--ink);
}

.nav-ctas {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ── HAMBURGER MENU ────────────────────────────────── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: 1px solid var(--border-2);
  border-radius: 8px;
  cursor: pointer;
  flex-shrink: 0;
}

.nav-hamburger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
}

/* ── MOBILE NAVIGATION ─────────────────────────────── */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(10, 15, 30, 0.5);
}

.mobile-nav.open { display: block; }

.mobile-nav-inner {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 300px;
  background: #fff;
  display: flex;
  flex-direction: column;
  box-shadow: -4px 0 32px rgba(0, 0, 0, 0.15);
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.mobile-nav-links {
  list-style: none;
  padding: 8px 0;
  flex: 1;
}

.mobile-nav-links li a {
  display: block;
  padding: 16px 24px;
  font-size: 17px;
  font-weight: 500;
  color: var(--ink-2);
  text-decoration: none;
  border-bottom: 1px solid var(--surface-3);
}

.mobile-nav-links li a:hover { background: var(--surface-2); }

.mobile-nav-cta {
  padding: 20px;
  border-top: 1px solid var(--border);
}

/* ── RESPONSIVE ────────────────────────────────────── */
@media (max-width: 768px) {
  nav { padding: 0 20px; }
  .nav-hamburger { display: flex; }
  .nav-links, .nav-ctas { display: none !important; }
}