/* ══════════════════════════════════
   NAVBAR
══════════════════════════════════ */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: var(--navy);
  box-shadow: 0 2px 24px rgba(0,0,0,.4);
}

.nav-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: .65rem;
  flex-shrink: 0;
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: .05em;
  white-space: nowrap;
  text-decoration: none;
}

.nav-brand .logo-icon {
  width: 36px;
  height: 36px;
  background: var(--orange);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: .72rem;
  font-weight: 600;
  color: #fff;
  flex-shrink: 0;
}

.nav-brand .oa { color: var(--orange); }

.nav-links {
  display: flex;
  gap: .15rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: rgba(255,255,255,.78);
  font-size: .83rem;
  font-weight: 500;
  letter-spacing: .03em;
  padding: .45rem .85rem;
  border-radius: 5px;
  transition: color .2s, background .2s;
}

.nav-links a:hover       { color: var(--orange2); background: rgba(224,123,57,.1); }
.nav-links a.active      { color: var(--orange2); }

/* Login button */
.nav-login-btn {
  background: var(--orange);
  color: #fff;
  border: none;
  padding: .38rem .95rem;
  border-radius: 20px;
  font-size: .76rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: background .2s;
  letter-spacing: .03em;
  font-family: 'DM Sans', sans-serif;
}
.nav-login-btn:hover { background: var(--orange2); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all .3s;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--navy);
    padding: 1rem;
    gap: 0;
    z-index: 999;
  }
  .nav-links.open    { display: flex; }
  .nav-links a       { padding: .75rem 1rem; border-radius: 0; border-bottom: 1px solid rgba(255,255,255,.06); }
  .hamburger         { display: flex; }
}