/* ============================================================
   S2 HEADER
   ============================================================ */

.s2-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: var(--color-surface-primary);
    border-bottom: 6px solid var(--color-brand-primary);
    display: flex;
    align-items: stretch;
    height: 80px;
    font-family: var(--font-family-heading);
    text-transform: uppercase;
}

.s2-header__logo {
    flex-shrink: 0;
    padding: 0 var(--space-5);
    display: flex;
    align-items: center;
    border-right: 3px solid var(--color-brand-primary);
    background: var(--color-brand-primary);
    color: var(--color-text-inverse);
    font-size: var(--font-size-2xl);
    font-family: var(--font-family-heading);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.03em;
    white-space: nowrap;
}

.s2-header__ticker {
    flex: 1;
    overflow: hidden;
    display: flex;
    align-items: center;
    padding: 0 var(--space-5);
}

.s2-header__ticker-track {
    display: flex;
    gap: var(--space-8);
    white-space: nowrap;
    animation: s2-ticker 20s linear infinite;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    color: var(--color-brand-primary);
    letter-spacing: 0.05em;
}

@keyframes s2-ticker {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.s2-header__nav {
    display: none;
    flex-shrink: 0;
    border-left: 3px solid var(--color-brand-primary);
}

@media (min-width: 768px) {
    .s2-header__nav {
        display: flex;
        align-items: stretch;
    }
}

.s2-header__nav-link {
    padding: 0 var(--space-6);
    display: flex;
    align-items: center;
    border-right: 3px solid var(--color-brand-primary);
    color: var(--color-brand-primary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-family: var(--font-family-heading);
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.03em;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.s2-header__nav-link:hover {
    background: var(--color-brand-primary);
    color: var(--color-text-inverse);
}

.s2-header__cta {
    padding: 0 var(--space-6);
    background: var(--color-brand-primary);
    color: var(--color-text-inverse);
    font-family: var(--font-family-heading);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-sm);
    letter-spacing: 0.03em;
    border: none;
    cursor: pointer;
    text-transform: uppercase;
}

.s2-header__cta:hover {
    background: var(--color-surface-primary);
    filter: brightness(1.1);
    color: var(--color-text-inverse);
}