/* ══════════════ STANDARD NAV ══════════════ */
:root {
  --navy: #0a1929;
  --teal: #00bcd4;
}

.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(10,25,41,0.95); backdrop-filter: blur(20px); border-bottom: 1px solid rgba(255,255,255,0.08); transition: all 0.3s ease; }
.nav-inner { max-width: 1340px; margin: 0 auto; padding: 0 40px; display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav-logo { font-family: 'Space Grotesk', sans-serif; font-size: 24px; font-weight: 700; color: white; letter-spacing: -0.5px; text-decoration: none; display: flex; align-items: center; gap: 10px; }
.logo-ring { width: 40px; height: 40px; background: conic-gradient(from 0deg, #00bcd4, #00a551, #f9a825, #e65100, #d4007a, #7c4dff, #0d47a1, #00bcd4); border-radius: 50%; position: relative; }
.logo-ring::after { content: ''; position: absolute; inset: 7px; background: var(--navy); border-radius: 50%; }
.nav-logo span { color: var(--teal); }
.nav-links { display: flex; gap: 4px; list-style: none; align-items: center; }
.nav-links a { color: rgba(255,255,255,0.8); text-decoration: none; font-size: 14px; font-weight: 500; padding: 8px 16px; border-radius: 8px; transition: all 0.2s ease; }
.nav-links a:hover { color: white; background: rgba(255,255,255,0.1); }
.nav-cta { background: var(--teal) !important; color: var(--navy) !important; font-weight: 700 !important; padding: 10px 24px !important; }
.nav-cta:hover { background: #00d4e8 !important; }

/* Hamburger Menu */
.hamburger { display: none; width: 24px; height: 24px; background: none; border: none; cursor: pointer; padding: 0; flex-direction: column; justify-content: space-between; align-items: center; }
.hamburger span { display: block; width: 24px; height: 2px; background: white; border-radius: 2px; transition: all 0.3s ease; }
.hamburger.active { opacity: 0; pointer-events: none; }

/* Mobile Menu */
.mobile-menu { display: none; position: fixed; top: 72px; left: 0; right: 0; bottom: 0; background: rgba(10,25,41,0.99); backdrop-filter: blur(20px); border-bottom: 1px solid rgba(255,255,255,0.08); z-index: 999; overflow-y: auto; animation: navSlideDown 0.3s ease; }
@keyframes navSlideDown { from { opacity: 0; } to { opacity: 1; } }
.mobile-menu.active { display: block; }

body.menu-open { overflow: hidden; }

.mobile-menu-header { display: flex; justify-content: flex-end; padding: 16px 20px 8px; }
.close-menu { display: flex; flex-direction: column; justify-content: center; align-items: center; width: 32px; height: 32px; background: none; border: none; cursor: pointer; padding: 0; }
.close-menu span { display: block; width: 20px; height: 2px; background: white; border-radius: 2px; transition: all 0.3s ease; position: absolute; }
.close-menu span:nth-child(1) { transform: rotate(45deg); }
.close-menu span:nth-child(2) { transform: rotate(-45deg); }

.mobile-nav-links { list-style: none; display: flex; flex-direction: column; padding: 16px 20px; gap: 0; }
.mobile-nav-links li { border-bottom: 1px solid rgba(255,255,255,0.08); }
.mobile-nav-links a { display: flex; color: rgba(255,255,255,0.8); text-decoration: none; font-size: 15px; font-weight: 500; padding: 16px 0; transition: all 0.2s ease; min-height: 44px; align-items: center; }
.mobile-nav-links a:active { color: var(--teal); background: rgba(0,188,212,0.1); }

.mobile-nav-cta { background: var(--teal) !important; color: var(--navy) !important; font-weight: 700 !important; margin-top: 8px; padding: 14px 16px !important; border-radius: 8px; justify-content: center; }
.mobile-nav-cta:active { background: #00d4e8 !important; }

/* Keyboard focus indicators */
.nav-links a:focus-visible, .mobile-nav-links a:focus-visible { outline: 3px solid rgba(0,188,212,0.8); outline-offset: 2px; border-radius: 4px; }

/* ══════════════ RESPONSIVE ══════════════ */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-inner { height: 60px; padding: 0 20px; }
  .hamburger { display: flex; }
  .nav-logo { font-size: 18px; }
}

@media (max-width: 375px) {
  .nav-inner { padding: 0 16px; }
  .nav-logo { font-size: 16px; }
  .nav-cta { padding: 8px 14px; font-size: 13px; }
}