/**
 * footer.css — Footer 3 columnas + barra inferior
 * AVN Networks v1.0.0
 */

/* ============================================================
   FOOTER PRINCIPAL
   ============================================================ */
.avn-footer {
    background: #080808;
    border-top: 1px solid rgba(255,255,255,.06);
    margin-top: auto;
}

.avn-footer__inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: clamp(2rem, 5vw, 4rem);
    padding-block: clamp(3rem, 6vw, 5rem);
}

@media (max-width: 900px) {
    .avn-footer__inner { grid-template-columns: 1fr 1fr; }
    .avn-footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
    .avn-footer__inner { grid-template-columns: 1fr; }
}

/* ============================================================
   COL 1 — BRAND
   ============================================================ */
.avn-footer__brand {}

.avn-footer__logo-text {
    font-size: 1.3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #fff 40%, var(--avn-accent, #00d9ff));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    margin-bottom: .75rem;
}

.avn-footer__brand .custom-logo {
    height: 40px;
    width: auto;
    display: block;
    margin-bottom: .75rem;
    filter: brightness(0) invert(1);
    opacity: .85;
}

.avn-footer__tagline {
    color: #777;
    font-size: .9rem;
    line-height: 1.6;
    max-width: 32ch;
    margin-bottom: .5rem;
}

.avn-footer__schedule {
    color: #555;
    font-size: .8rem;
}

/* ============================================================
   COL 2 — NAV FOOTER
   ============================================================ */
.avn-footer__heading {
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: #555;
    margin-bottom: 1rem;
}

.avn-footer__list {
    list-style: none;
    margin: 0; padding: 0;
    display: flex;
    flex-direction: column;
    gap: .5rem;
}

.avn-footer__list a {
    color: #888;
    text-decoration: none;
    font-size: .9rem;
    transition: color .2s;
    display: inline-flex;
    align-items: center;
    gap: .4rem;
}

.avn-footer__list a::before {
    content: '›';
    color: var(--avn-accent, #00d9ff);
    opacity: 0;
    transform: translateX(-4px);
    transition: opacity .2s, transform .2s;
}

.avn-footer__list a:hover {
    color: var(--avn-text, #e5e5e5);
}

.avn-footer__list a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

/* ============================================================
   COL 3 — CONTACTO + SOCIAL
   ============================================================ */
.avn-footer__contact-list {
    list-style: none;
    margin: 0 0 1.25rem; padding: 0;
    display: flex;
    flex-direction: column;
    gap: .6rem;
}

.avn-footer__contact-list a {
    color: #888;
    text-decoration: none;
    font-size: .875rem;
    transition: color .2s;
}

.avn-footer__contact-list a:hover { color: var(--avn-accent, #00d9ff); }

/* Social icons — WP genera un menú con texto, lo ocultamos
   y mostramos solo el icono via CSS content según el href */
.avn-footer__social {
    display: flex;
    gap: .6rem;
    flex-wrap: wrap;
    list-style: none;
    margin: 0; padding: 0;
}

.avn-footer__social li a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 8px;
    color: #888;
    text-decoration: none;
    font-size: .75rem;
    transition: border-color .2s, color .2s, background .2s;
    overflow: hidden;
}

.avn-footer__social li a:hover {
    border-color: var(--avn-accent);
    color: var(--avn-accent);
    background: rgba(0,217,255,.06);
}

.avn-footer__social .screen-reader-text {
    font-size: .65rem;
    text-transform: uppercase;
    letter-spacing: .05em;
}

/* ============================================================
   BARRA INFERIOR
   ============================================================ */
.avn-footer__bar {
    border-top: 1px solid rgba(255,255,255,.05);
    padding-block: 1.25rem;
}

.avn-footer__bar .avn-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: .75rem;
}

.avn-footer__copy,
.avn-footer__privacy {
    font-size: .8rem;
    color: #555;
    margin: 0;
}

.avn-footer__copy a,
.avn-footer__privacy a {
    color: #666;
    text-decoration: none;
    transition: color .2s;
}

.avn-footer__copy a:hover,
.avn-footer__privacy a:hover { color: var(--avn-accent); }

/* ============================================================
   BACK TO TOP
   ============================================================ */
#backToTop {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 44px;
    height: 44px;
    background: var(--avn-accent, #00d9ff);
    color: #000;
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity .3s, visibility .3s, transform .3s;
    z-index: 500;
    box-shadow: 0 4px 16px rgba(0,217,255,.3);
}

#backToTop.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#backToTop:hover { background: #fff; }