/* Navigation */
.nav {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(250, 250, 250, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.nav-brand {
    font-size: 24px;
    font-weight: 500;
    color: #1a1a1a;
    letter-spacing: -0.02em;
    text-shadow: 0 4px 4px rgba(0, 0, 0, 0.25);
}
.nav-brand a,
.nav-brand a:hover {
    color: #1a1a1a;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-link {
    color: #666;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
    position: relative;
}

.nav-link:hover {
    color: #1a1a1a;
}

.nav-link::after {
    content: "";
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #1a1a1a;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    gap: 4px;
}

.mobile-menu-toggle span {
    width: 20px;
    height: 2px;
    background: #1a1a1a;
    transition: all 0.3s ease;
    transform-origin: center;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.mobile-menu {
    display: none;
    background: rgba(250, 250, 250, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding: 24px;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 20px;
}

.mobile-menu.active {
    display: flex;
}

.mobile-nav-link {
    color: #666;
    text-decoration: none;
    font-weight: 500;
    font-size: 18px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: color 0.2s ease;
}

.mobile-nav-link:hover {
    color: #1a1a1a;
}

.mobile-nav-link:last-child {
    border-bottom: none;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu {
        display: none;
    }
    
    .mobile-menu.active {
        display: flex;
    }
}

@media (min-width: 769px) {
    .mobile-menu-toggle {
        display: none;
    }
    
    .mobile-menu {
        display: none !important;
    }
}