.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: rgba(0, 8, 20, 0.82);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
    border-bottom: 1px solid rgba(0, 212, 255, 0.12);
}

.header::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--cyan) 50%, transparent 100%);
    opacity: 0.35;
}

.header-inner {
    max-width: 1440px;
    margin: 0 auto;
    padding: 15px 44px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 42px;
    filter: drop-shadow(0 0 8px rgba(0, 212, 255, 0.3));
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.live-badge {
    display: flex;
    align-items: center;
    gap: 7px;
    font-family: 'Orbitron', sans-serif;
    font-size: 10px;
    font-weight: 600;
    color: var(--green);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.live-dot {
    width: 6px; height: 6px;
    background: var(--green);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--green);
    animation: blink 1.8s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.25; }
}

.language-select {
    appearance: none;
    -webkit-appearance: none;
    background: rgba(0, 212, 255, 0.05);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='11' height='11' viewBox='0 0 24 24' fill='none' stroke='%2300d4ff' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 9px center;
    border: 1px solid var(--cyan-border);
    color: var(--white);
    padding: 8px 28px 8px 12px;
    border-radius: 5px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.25s ease;
}

.language-select:focus {
    outline: none;
    border-color: var(--cyan);
    box-shadow: 0 0 14px rgba(0, 212, 255, 0.2);
}

.language-select option {
    background: #000d1a;
    color: #fff;
}

.header-hint {
    font-size: 11px;
    color: var(--gray);
    white-space: nowrap;
}

.btn-login {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 26px;
    background: transparent;
    border: 1px solid var(--cyan-border);
    color: var(--cyan);
    font-family: 'Orbitron', sans-serif;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.3s ease;
    white-space: nowrap;
    overflow: hidden;
    position: relative;
}

.btn-login::before {
    content: '';
    position: absolute;
    top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.12), transparent);
    transition: left 0.5s ease;
}

.btn-login:hover {
    border-color: var(--cyan);
    color: var(--white);
    box-shadow: 0 0 22px rgba(0, 212, 255, 0.25);
}

.btn-login:hover::before {
    left: 100%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--cyan);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

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

.mobile-nav {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 8, 20, 0.97);
    backdrop-filter: blur(20px);
    z-index: 99;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 24px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.35s ease;
}

.mobile-nav.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav a {
    font-family: 'Orbitron', sans-serif;
    color: var(--cyan);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    padding: 14px 36px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 4px;
    min-width: 220px;
    text-align: center;
    transition: all 0.3s ease;
}

.mobile-nav a:hover {
    border-color: var(--cyan);
    background: rgba(0, 212, 255, 0.08);
}

.desktop-only {
    display: flex;
}