.site-header {
    position: sticky;
    top: 0;
    z-index: 90;
    backdrop-filter: blur(14px);
    background: color-mix(in srgb, var(--color-bg) 84%, transparent);
    border-bottom: 1px solid var(--color-border);
}
.nav {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0.85rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}
.logo { font-weight: 700; letter-spacing: -0.02em; font-size: 1.25rem; }
.nav-links { display: flex; align-items: center; gap: 1rem; }
.nav-links a { color: var(--color-muted); font-size: 0.95rem; }
.nav-links a.active, .nav-links a:hover { color: var(--color-foreground); }
.nav-toggle { display: none; background: transparent; border: none; color: var(--color-foreground); cursor: pointer; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: var(--radius-pill);
    border: 1px solid transparent;
    font-weight: 600;
    font-size: 0.94rem;
    padding: 0.68rem 1.1rem;
    cursor: pointer;
    transition: transform var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}
.btn:hover { transform: translateY(-2px); }
.btn.primary { background: var(--color-accent); color: #052420; }
.btn.primary:hover { background: var(--color-accent-strong); }
.btn.secondary { border-color: var(--color-border); background: var(--color-surface); color: var(--color-foreground); }
.btn.secondary:hover { border-color: var(--color-accent); }
.btn.ghost { border-color: var(--color-border); color: var(--color-muted); background: transparent; }

.card, .feature, .company-card, .case-card, .legal-card, .testimonial-card, .faq-item, .contact-panel, .service-block, .product-detail, .package-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.3rem;
    box-shadow: var(--shadow-sm);
}
.card:hover, .feature:hover, .case-card:hover, .package-card:hover {
    border-color: color-mix(in srgb, var(--color-accent) 65%, var(--color-border));
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.card-link { display: block; height: 100%; }
.tag-row { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.75rem; }
.tag {
    border-radius: var(--radius-pill);
    border: 1px solid var(--color-border);
    color: var(--color-foreground);
    font-size: 0.76rem;
    padding: 0.25rem 0.6rem;
    background: var(--color-surface-muted);
}

.section-header-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; align-items: end; }

.faq { display: grid; gap: 0.75rem; }
.faq-trigger {
    width: 100%;
    text-align: left;
    background: transparent;
    border: none;
    color: var(--color-foreground);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    cursor: pointer;
}
.faq-panel { margin-top: 0.75rem; }
.faq-panel[hidden] { display: none; }

.product-filters { display: flex; gap: 0.55rem; flex-wrap: wrap; margin-bottom: 1rem; }
.filter-btn {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    background: transparent;
    color: var(--color-muted);
    padding: 0.45rem 0.8rem;
    cursor: pointer;
}
.filter-btn.active { background: var(--color-accent); color: #052420; border-color: transparent; }

.cta-block {
    max-width: var(--container);
    margin: 0 auto 5rem;
    padding: 2.2rem 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: linear-gradient(130deg, rgba(70, 214, 198, 0.12), transparent 50%), var(--color-surface);
    display: flex;
    justify-content: space-between;
    gap: 1.5rem;
    align-items: center;
    flex-wrap: wrap;
}
.cta-guarantees { display: flex; gap: 1rem; flex-wrap: wrap; font-size: 0.86rem; color: var(--color-muted); margin-top: 0.65rem; }

.site-footer {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding: 3rem 1.5rem 1.25rem;
}
.footer-grid {
    max-width: var(--container);
    margin: 0 auto;
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}
.footer-grid ul { display: grid; gap: 0.5rem; }
.footer-meta {
    max-width: var(--container);
    margin: 1.5rem auto 0;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    gap: 0.8rem;
    flex-wrap: wrap;
    font-size: 0.86rem;
    color: var(--color-muted);
}

@media (max-width: 860px) {
    .nav-toggle { display: inline-flex; }
    .nav-links {
        display: none;
        position: absolute;
        right: 1rem;
        top: calc(100% - 2px);
        width: min(340px, 90vw);
        padding: 1rem;
        flex-direction: column;
        align-items: stretch;
        background: var(--color-surface);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-sm);
    }
    .nav-links.open { display: flex; }
}