header {
    background: rgba(15, 20, 40, 0.95);
    padding: 20px 0 !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    position: sticky !important;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}
.container {
    max-width: 1400px;
    margin: 0 auto !important;
    padding: 0 30px !important;
    background: none !important;
}
.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 26px;
    font-weight: 600;
    color: #fff;
    letter-spacing: -0.5px;
}

.logo span {
    color: #5db9ff;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 35px;
    align-items: center;
}

nav a {
    color: #b8c5d6;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover {
    color: #fff;
}

.dashboard-btn {
    background: #1e3a5f;
    color: #5db9ff;
    padding: 10px 24px;
    border-radius: 6px;
    border: 1px solid rgba(93, 185, 255, 0.2);
    transition: all 0.3s;
}

.dashboard-btn:hover {
    background: #2a4a70;
    border-color: rgba(93, 185, 255, 0.4);
    color: #fff;
}