/* ============================================
   FOOTER – Klima-Zentrale.de
   ============================================
   Einmal definiert. NICHT duplizieren.
   ============================================ */

.unified-footer {
    background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
    color: #e2e8f0;
    padding: 60px 0 0;
    margin-top: 80px;
}
.footer-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-pad);
}

/* Brand */
.footer-brand {
    text-align: center;
    margin-bottom: 48px;
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-logo {
    height: 48px;
    width: auto;
    margin-bottom: 8px;
    filter: brightness(0) invert(1);
}
.footer-tagline {
    display: block;
    font-size: 13px;
    color: var(--gray-400);
    margin-bottom: 16px;
}
.footer-description {
    font-size: 15px;
    color: var(--gray-400);
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Grid */
.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 48px;
}
.footer-column h4,
.footer-column .footer-heading {
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
}
.footer-column ul { list-style: none; padding: 0; margin: 0; }
.footer-column li { margin-bottom: 12px; }
.footer-column a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
    position: relative;
}
.footer-column a:hover { color: var(--blue); }
.footer-column a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--blue);
    transition: width 0.3s ease;
}
.footer-column a:hover::after { width: 100%; }
.footer-column-wide { grid-column: span 2; }
.footer-cities { line-height: 1.8; color: #b0b0b0; }
.footer-cities a { color: #b0b0b0; text-decoration: none; transition: color 0.2s; }
.footer-cities a:hover { color: var(--blue); }

/* Contact */
.footer-contact li { display: flex; align-items: center; gap: 10px; }
.footer-contact svg { color: var(--blue); flex-shrink: 0; }
.footer-contact span, .footer-contact a { color: var(--gray-400); font-size: 14px; }

/* Partners */
.footer-partners {
    text-align: center;
    padding: 24px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 24px;
}
.footer-partners span { color: var(--gray-500); font-size: 13px; margin-right: 16px; }
.footer-partners a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 13px;
    margin: 0 12px;
    transition: color 0.2s;
}
.footer-partners a:hover { color: var(--blue); }

/* Legal */
.footer-legal {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    font-size: 13px;
    color: var(--gray-500);
}
.footer-legal p { margin: 0; }
.footer-legal-links { display: flex; gap: 24px; }
.footer-legal-links a {
    color: var(--gray-500);
    text-decoration: none;
    transition: color 0.2s;
}
.footer-legal-links a:hover { color: var(--gray-400); }

/* Responsive */
@media (max-width: 768px) {
    .unified-footer { padding: 40px 0 0; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
    .footer-column-wide { grid-column: span 1; }
    .footer-cities { font-size: 0.9rem; }
    .footer-legal {
        flex-direction: column;
        gap: 16px;
        text-align: center;
        padding-bottom: 20px;
    }
    .footer-partners a { display: block; margin: 8px 0; }
    .footer-partners span { display: block; margin-bottom: 12px; }
}
@media (max-width: 480px) {
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .footer-contact li { justify-content: center; }
}