/* ============================================
   SHARED NAVIGATION — PAU Governance Protocol
   All pages link to this file for consistent nav styling
   ============================================ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 32px 64px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    mix-blend-mode: difference;
}

.logo {
    display: flex;
    align-items: center;
    gap: 20px;
    text-decoration: none;
    color: inherit;
}

.logo-symbol {
    width: 56px;
    height: 56px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.logo-symbol img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    position: relative;
    z-index: 1;
}

@keyframes logoRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.logo-text-main {
    font-family: 'Orbitron', sans-serif;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.3em;
    color: var(--cyan);
    white-space: nowrap;
}

.logo-text-sub {
    font-family: 'Orbitron', sans-serif;
    font-size: 10px;
    font-weight: 400;
    letter-spacing: 0.3em;
    color: #ffffff;
    margin-top: 4px;
}

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

.nav-links a {
    font-family: 'Space Mono', monospace;
    font-size: 10px;
    font-weight: 400;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: #ffffff;
    text-decoration: none;
    position: relative;
    padding: 8px 0;
    transition: color 0.3s;
    white-space: nowrap;
}

.nav-links a::before {
    content: '[';
    position: absolute;
    left: -12px;
    opacity: 0;
    color: var(--cyan);
    transition: all 0.3s;
    transform: translateX(8px);
}

.nav-links a::after {
    content: ']';
    position: absolute;
    right: -12px;
    opacity: 0;
    color: var(--cyan);
    transition: all 0.3s;
    transform: translateX(-8px);
}

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

.nav-links a:hover::before,
.nav-links a:hover::after {
    opacity: 1;
    transform: translateX(0);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    width: 48px;
    height: 48px;
    border: 1px solid rgba(0, 255, 0, 0.3);
    background: transparent;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    align-items: center;
    justify-content: center;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 1px;
    background: #ffffff;
    transition: all 0.3s;
}

/* Mobile Menu Overlay */
.mobile-menu {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: #000000;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    padding: 80px 24px 40px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    isolation: isolate;
    overflow-y: auto;
}

.mobile-menu a {
    font-family: 'Space Mono', monospace;
    font-size: 14px;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: #ffffff;
    text-decoration: none;
    transition: color 0.3s;
}

.mobile-menu a:hover {
    color: var(--cyan, #00ff00);
}

.mobile-menu .connect-btn {
    font-size: 14px;
    color: var(--cyan, #00ff00);
    border: 1px solid var(--cyan, #00ff00);
    padding: 14px 36px;
    margin-top: 20px;
    transition: background 0.3s, color 0.3s;
}

.mobile-menu .connect-btn:hover {
    background: var(--cyan, #00ff00);
    color: #000;
}

.mobile-menu-close {
    position: absolute;
    top: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    border: 1px solid rgba(0, 255, 0, 0.3);
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white, #ffffff);
}

.mobile-menu.visible {
    opacity: 1;
    visibility: visible;
}

/* Hide page layers when mobile menu is open */
body.menu-open #webgl,
body.menu-open .overlay,
body.menu-open .vignette,
body.menu-open .grid-overlay,
body.menu-open .content {
    visibility: hidden;
}

/* Connect Button */
.connect-btn {
    font-family: 'Space Mono', monospace;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--cyan, #00ff00);
    text-decoration: none;
    border: 1px solid var(--cyan, #00ff00);
    padding: 10px 24px;
    transition: background 0.3s, color 0.3s;
    white-space: nowrap;
}

.connect-btn:hover {
    background: var(--cyan, #00ff00);
    color: #000;
}

/* Responsive */
@media (max-width: 1024px) {
    .nav { padding: 24px 32px; }
}

@media (max-width: 768px) {
    .nav { padding: 12px 16px; }
    .nav-links { display: none; }
    .connect-btn.desktop { display: none; }
    .mobile-menu-btn { display: flex; }
    .mobile-menu { display: flex; }
}

@media (max-width: 480px) {
    .nav { padding: 10px 12px; }
    .logo-symbol { width: 36px; height: 36px; }
    .logo-text-main { font-size: 12px; }
    .logo-text-sub { font-size: 7px; }
}