.site-header {
    position: fixed;
    top: calc(var(--safe-top) + var(--space-2));
    left: max(var(--space-3), var(--safe-left));
    right: max(var(--space-3), var(--safe-right));
    z-index: var(--z-header);
    background: rgba(15, 23, 42, 0.88);
    backdrop-filter: blur(16px) saturate(1.2);
    -webkit-backdrop-filter: blur(16px) saturate(1.2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
    transition: box-shadow var(--transition-base), border-color var(--transition-base),
        transform var(--transition-base), background var(--transition-base);
    will-change: transform;
}

.site-header.is-scrolled {
    box-shadow: var(--shadow-lg), var(--shadow-glow-primary);
    border-color: var(--color-border-strong);
    background: rgba(15, 23, 42, 0.94);
}

.site-header.header--hidden {
    transform: translateY(calc(-100% - var(--space-4)));
}

.site-header__container {
    width: 100%;
    padding: 0 var(--space-4);
}

.site-header__inner {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-2) 0;
    transition: padding var(--transition-base);
}

.site-header__row {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 2.5rem;
    gap: var(--space-4);
}

.site-header__logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
    cursor: pointer;
}

.site-header__logo-link:hover {
    transform: scale(1.02);
    opacity: 0.95;
}

.site-header__logo {
    height: 1.875rem;
    width: auto;
    max-width: 55vw;
    object-fit: contain;
    transition: height var(--transition-base);
}

.site-header__sponsor-link {
    position: relative;
    display: flex;
    align-items: center;
    text-decoration: none;
    cursor: pointer;
    flex-shrink: 0;
}

.site-header__sponsor-label {
    position: absolute;
    top: -8px;
    right: -12px;
    z-index: 2;
    font-size: 0.38rem;
    font-weight: 600;
    color: var(--color-text-muted);
    background: rgba(30, 41, 59, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 0.5px 2px;
    border-radius: 3px;
    white-space: nowrap;
    line-height: 1;
    box-shadow: 0 1.5px 4px rgba(0, 0, 0, 0.35);
    transition: transform var(--transition-fast), background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.site-header__second-logo-link {
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: transform var(--transition-fast), opacity var(--transition-fast), box-shadow var(--transition-base);
    cursor: pointer;
    border-radius: var(--radius-full);
    overflow: hidden;
    height: 1.875rem;
    width: 1.875rem;
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.4), 0 0 12px rgba(255, 255, 255, 0.18), 0 0 0 1.5px rgba(255, 255, 255, 0.35);
    flex-shrink: 0;
}

.site-header__sponsor-link:hover .site-header__sponsor-label {
    background: rgba(45, 212, 191, 0.18);
    color: var(--color-primary-light);
    border-color: rgba(45, 212, 191, 0.3);
    transform: translateY(-0.5px);
}

.site-header__sponsor-link:hover .site-header__second-logo-link {
    transform: scale(1.08);
    box-shadow: 0 0 12px rgba(45, 212, 191, 0.35), 0 0 0 1.5px var(--color-primary-light);
}

.site-header__second-logo {
    height: 100%;
    width: 100%;
    object-fit: cover;
    transform: scale(1.22);
    /* Make it bigger to crop out the white stroke */
    transition: transform var(--transition-base);
}

.main-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding-top: calc(var(--header-height-mobile) + var(--safe-top) + var(--space-6));
    min-height: 100vh;
    min-height: 100dvh;
}

.page-container {
    width: 100%;
    max-width: var(--max-width-tool);
    margin: 0 auto;
    padding: var(--space-6) var(--space-4) var(--space-10);
}

.page-container--wide {
    max-width: 1400px;
}

.site-footer {
    position: relative;
    z-index: 20;
    width: 100%;
    margin-top: auto;
    background: var(--color-bg-elevated);
    color: var(--color-text-muted);
    border-top: 1px solid var(--color-border);
    padding: var(--space-4) var(--space-4) calc(var(--space-4) + var(--safe-bottom));
    flex-shrink: 0;
}

.site-footer__content {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.site-footer__social {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
}

.site-footer__link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: var(--touch-min);
    min-height: var(--touch-min);
    padding: var(--space-2);
    color: var(--color-text-subtle);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: color var(--transition-fast), background var(--transition-fast),
        transform var(--transition-fast);
    cursor: pointer;
}

.site-footer__link:hover {
    color: var(--color-text);
    background: rgba(45, 212, 191, 0.1);
    transform: translateY(-2px);
}

.site-footer__link svg {
    width: 1.25rem;
    height: 1.25rem;
}

@media (min-width: 768px) {
    .site-header__container {
        padding: 0 var(--space-5);
    }

    .site-header__logo {
        height: 2.5rem;
    }

    .site-header__second-logo-link {
        height: 2.5rem;
        width: 2.5rem;
    }

    .site-header__sponsor-label {
        top: -10px;
        right: -16px;
        font-size: 0.44rem;
        padding: 1px 3px;
    }



    .main-wrapper {
        padding-top: calc(var(--header-height-desktop) + var(--safe-top) + var(--space-8));
    }

    .page-container {
        padding: var(--space-8) var(--space-6) var(--space-10);
    }
}

@media (min-width: 900px) {
    .site-header__inner {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: var(--space-4);
        padding: var(--space-3) 0;
    }

    .site-header__row {
        min-height: auto;
        flex-shrink: 0;
    }

    .app-nav {
        padding: 0;
        flex: 1;
        justify-content: flex-end;
        mask-image: none;
    }
}

@media (min-width: 900px) {
    .main-wrapper {
        padding-top: calc(var(--header-height-desktop) + var(--safe-top) + var(--space-6));
    }
}

@media (max-width: 899px) {
    .site-header.is-scrolled .site-header__inner {
        padding: var(--space-1) 0;
    }

    .site-header.is-scrolled .site-header__logo {
        height: 1.45rem;
    }

    .site-header.is-scrolled .site-header__second-logo-link {
        height: 1.45rem;
        width: 1.45rem;
    }

    .site-header.is-scrolled .site-header__sponsor-label {
        font-size: 0.34rem;
        top: -6px;
        right: -9px;
        padding: 0.2px 1.5px;
    }
}