/* =========================================
   FOOTER - Mobile-First (011-ui-mobile 007)
   Entspricht cursor-rules/sample-code/css/footer-mobile-first-responsive.css
   Hochwertige Dark-Conference-Fußzeile (AI Coding Days CI)
   ========================================= */

/* .base-footer | Änderungsprotokoll: 2026-10-01 | parent-agent | @skill-css-rules, @skill-change-provenance | Footer hochwertiger: Fläche, Padding, Typografie */
.base-footer {
    border-top: 1px solid var(--color-home-line);
    padding: 3rem 1.25rem 2rem;
    background-color: var(--color-surface);
    background-image: linear-gradient(
        180deg,
        rgba(92, 225, 230, 0.04) 0%,
        transparent 28%
    );
    width: 100%;
    max-width: 1600px;
    margin-left: auto;
    margin-right: auto;
    overflow-x: hidden;
    box-sizing: border-box;
}

@media (min-width: 600px) {
    .base-footer {
        padding: 3.5rem 2.5rem 2.25rem;
    }
}

@media (min-width: 1024px) {
    .base-footer {
        padding: 4.5rem 3.75rem 2.75rem;
    }
}

/* .base-footer-grid | Änderungsprotokoll: 2026-10-01 | parent-agent | @skill-css-rules, @skill-change-provenance | Drei-Spalten-Raster mit klarer Hierarchie */
.base-footer-grid {
    max-width: 1600px;
    margin: 0 auto 2.5rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.25rem;
    justify-content: stretch;
    justify-items: stretch;
    text-align: left;
}

@media (min-width: 600px) {
    .base-footer-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 2.5rem 3rem;
        justify-content: stretch;
        justify-items: stretch;
        text-align: left;
    }
}

@media (min-width: 1024px) {
    .base-footer-grid {
        gap: 3rem 5rem;
        margin-bottom: 3rem;
    }
}

/* .base-footer-links-container | Änderungsprotokoll: 2026-10-01 | parent-agent | @skill-css-rules, @skill-change-provenance | Spaltenabstand und Link-Rhythmus */
.base-footer-links-container {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    min-width: 0;
}

.base-footer-links-container > .base-headline-h4 {
    margin-bottom: 1.1rem;
}

/* .base-footer .base-headline-h4 | Änderungsprotokoll: 2026-10-01 | parent-agent | @skill-css-rules, @skill-change-provenance | Spalten-Eyebrow wie Home-Redesign */
.base-footer .base-headline-h4 {
    margin: 0 0 1.1rem;
    padding: 0;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-home-cyan);
    line-height: var(--line-height-tight);
}

.base-footer .base-headline-h4 .base-headline-h4 {
    margin: 0;
    padding: 0;
    font-size: inherit;
    font-weight: inherit;
    letter-spacing: inherit;
    text-transform: inherit;
    color: inherit;
    line-height: inherit;
}

.base-footer-headline {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-bottom: 1.1rem;
    color: var(--color-home-cyan);
}

/* .base-footer-bottom | Änderungsprotokoll: 2026-10-01 | parent-agent | @skill-css-rules, @skill-change-provenance | Copyright-Leiste dezent und hochwertig */
.base-footer-bottom {
    max-width: 1600px;
    margin: 0 auto;
    padding-top: 1.75rem;
    border-top: 1px solid var(--color-home-line);
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--color-home-muted);
    font-size: var(--font-size-sm);
    letter-spacing: 0.02em;
}

.base-footer-bottom .base-content-text-small {
    margin: 0;
    color: var(--color-home-muted);
    font-size: var(--font-size-sm);
}

@media (max-width: 575px) {
    .base-footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

.base-footer-legal-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: flex-end;
}

@media (max-width: 575px) {
    .base-footer-legal-links {
        justify-content: center;
    }
}