.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--header-height);
    background: rgba(250, 250, 251, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition);
}

.header.is-scrolled {
    border-bottom-color: var(--color-border);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.header__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    font-weight: var(--font-weight-medium);
    flex-shrink: 0;
}

.header__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-purple);
    flex-shrink: 0;
}

.header__brand {
    letter-spacing: -0.01em;
}

.header__nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.header__link {
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    color: var(--color-secondary);
    transition: color var(--transition);
}

.header__link:hover {
    color: var(--color-text);
}

.header__actions {
    display: flex;
    align-items: center;
    gap: 24px;
}

.header__lang {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: var(--font-weight-medium);
}

.header__lang-link {
    color: var(--color-secondary);
    transition: color var(--transition);
}

.header__lang-link:hover,
.header__lang-link.is-active {
    color: var(--color-text);
}

.header__lang-sep {
    color: var(--color-border);
    user-select: none;
}

.header__live {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
}

.header__live-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-green);
    animation: pulse 2s ease infinite;
}

.header__burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 32px;
    height: 32px;
    padding: 4px;
}

.header__burger span {
    display: block;
    width: 100%;
    height: 1.5px;
    background: var(--color-text);
    transition: transform var(--transition), opacity var(--transition);
}

.header__burger.is-open span:first-child {
    transform: translateY(3.75px) rotate(45deg);
}

.header__burger.is-open span:last-child {
    transform: translateY(-3.75px) rotate(-45deg);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}