/* ═══════════════════════════════════════════════════════
   GLOBAL OSRTIME HEADER & NAVIGATION
   ═══════════════════════════════════════════════════════ */

.global-header {
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
    display: flex;
    justify-content: center;
    border-bottom: 1px solid var(--border-subtle);
    background: rgba(12, 13, 15, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.global-header-inner {
    width: 100%;
    max-width: 1200px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
}
.global-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}
.global-logo img {
    height: 24px;
    width: auto;
    display: block;
}
.global-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}
.global-nav-link {
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s ease;
}
.global-nav-link:hover, .global-nav-link.active {
    color: var(--text-primary);
}
.global-nav-link.beta-link {
    color: var(--accent-cool);
    border: 1px solid var(--border-subtle);
    padding: 6px 16px;
    border-radius: 100px;
}
.global-nav-link.beta-link:hover {
    background: rgba(128, 203, 196, 0.1);
    border-color: var(--accent-cool);
}
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
}
.mobile-nav {
    display: none;
}
@media (max-width: 768px) {
    .global-nav {
        display: none;
    }
    .mobile-menu-btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .global-header.menu-open .mobile-nav {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--surface-1);
        border-bottom: 1px solid var(--border-subtle);
        padding: 16px 24px;
        gap: 24px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    }
}