.main-header {
    position: sticky;
    top: 0;
    left: 0;
    transform: none;
    width: 100%;
    z-index: 1000;
    background: #fff;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 1rem 0;
    box-shadow: 0 4px 15px rgba(0,0,0,0.02);
    transition: all 0.3s ease;
}

.main-header.scrolled {
    padding: 0.8rem 0;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

.header-container {
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Orbitron', sans-serif;
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--text-dark);
}

.logo-icon {
    width: 35px;
    height: 35px;
    background: linear-gradient(135deg, var(--primary), #00D1FF);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    transform: rotate(-10deg);
}

.logo-text span {
    color: var(--primary);
    font-weight: 400;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav-item {
    position: relative;
    color: var(--text-dark);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    opacity: 0.7;
}

.nav-item::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

.nav-item:hover {
    opacity: 1;
    color: var(--primary);
}

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

.auth-actions {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.btn {
    padding: 0.6rem 1.2rem;
    border-radius: 10px;
    font-weight: 800;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-login {
    color: var(--text-dark);
}

.btn-login:hover {
    background: rgba(0, 0, 0, 0.03);
}

.btn-signup {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 86, 255, 0.2);
    border: none;
}

.btn-signup:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 86, 255, 0.3);
}

.badge-live {
    background: var(--accent);
    color: white;
    font-size: 0.6rem;
    padding: 2px 6px;
    border-radius: 4px;
    position: absolute;
    top: -12px;
    right: -15px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
    100% { transform: scale(1); opacity: 1; }
}

/* Dropdown Styles */
.nav-dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: -20px;
    background-color: #fff;
    min-width: 180px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    border-radius: 12px;
    padding: 1rem 0;
    z-index: 1001;
    border: 1px solid #f0f0f0;
    margin-top: 15px;
    animation: slideUp 0.3s ease forwards;
}

.dropdown-content::before {
    content: '';
    position: absolute;
    top: -20px;
    left: 0;
    width: 100%;
    height: 20px;
}

.dropdown-content a {
    color: var(--text-dark);
    padding: 0.8rem 1.5rem;
    text-decoration: none;
    display: block;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.7;
    transition: 0.2s;
}

.dropdown-content a:hover {
    background-color: #f8fbff;
    color: var(--primary);
    opacity: 1;
    padding-left: 2rem;
}

.nav-dropdown:hover .dropdown-content {
    display: block;
}

@keyframes slideUp {
    from { transform: translateY(10px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Mobile Auth Links (hidden on desktop) */
.mobile-auth-links {
    display: none;
}

/* Mobile Toggle Button */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1002;
}

.mobile-toggle .bar {
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    transition: 0.3s ease;
    display: block;
}

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

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

.mobile-toggle.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== MOBILE RESPONSIVE ===== */
@media (max-width: 1024px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 1.5rem;
        z-index: 999;
        padding: 2rem;
    }

    .nav-links.mobile-open {
        display: flex;
    }

    .nav-links .nav-item {
        font-size: 1.1rem;
        opacity: 1;
    }

    .nav-links .nav-item::after {
        display: none;
    }

    /* Dropdown on mobile: show items inline */
    .nav-dropdown {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }

    .dropdown-content {
        display: block;
        position: static;
        box-shadow: none;
        border: none;
        border-radius: 0;
        padding: 0;
        margin-top: 0;
        min-width: auto;
        animation: none;
        background: transparent;
    }

    .dropdown-content::before {
        display: none;
    }

    .dropdown-content a {
        text-align: center;
        padding: 0.5rem 1rem;
        font-size: 0.75rem;
        opacity: 0.5;
    }

    .dropdown-content a:hover {
        padding-left: 1rem;
    }

    .badge-live {
        display: none;
    }

    .auth-actions {
        display: none;
    }

    .mobile-auth-links {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        margin-top: 1rem;
        padding-top: 1.5rem;
        border-top: 1px solid #eee;
        width: 100%;
    }

    .mobile-toggle {
        display: flex;
    }
}