.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 1px solid rgba(223, 229, 223, 0.85);
    background: rgba(247, 248, 245, 0.94);
    backdrop-filter: blur(18px);
}

.header-inner {
    min-height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
}

.brand-mark {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: var(--brand);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 900;
}

.brand-text {
    display: grid;
    line-height: 1.02;
}

.brand-text span {
    color: var(--muted);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 28px;
    font-size: 0.94rem;
    font-weight: 650;
}

.nav-cta {
    padding: 11px 18px;
    border-radius: 999px;
    background: var(--brand);
    color: #fff;
}

.nav-toggle {
    display: none;
    border: 0;
    background: transparent;
    font: inherit;
    font-weight: 700;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 20px;
    border-radius: 999px;
    font-weight: 750;
}

.button-primary {
    background: var(--brand);
    color: #fff;
}

.button-secondary {
    border: 1px solid var(--border);
    background: var(--surface);
}

.button-light {
    background: #fff;
    color: var(--brand-dark);
}

.site-footer {
    padding: 54px 0 28px;
    background: #0d1812;
    color: #d9e2dc;
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    gap: 30px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-bottom {
    margin-top: 38px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    color: #94a39a;
    font-size: 0.88rem;
}

@media (max-width: 760px) {
    .nav-toggle {
        display: inline-flex;
    }

    .site-nav {
        position: absolute;
        top: 78px;
        left: 14px;
        right: 14px;
        display: none;
        padding: 22px;
        border: 1px solid var(--border);
        border-radius: 18px;
        background: var(--surface);
        flex-direction: column;
        align-items: stretch;
    }

    .site-nav.is-open {
        display: flex;
    }

    .footer-grid,
    .footer-links {
        flex-direction: column;
    }
}