/* ========== FOOTER ========== */
.footer { background: var(--charcoal); padding: 72px 0 0; }
.footer-top {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-brand img { height: 48px; margin-bottom: 16px; }
.footer-brand p {
    color: rgba(255,255,255,0.45);
    font-size: 0.88rem;
    line-height: 1.7;
    margin-bottom: 20px;
    max-width: 300px;
}
.footer-socials { display: flex; gap: 8px; }
.footer-socials a {
    width: 38px; height: 38px;
    border-radius: 10px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
    text-decoration: none;
    transition: all 0.25s;
}
.footer-socials a:hover { background: var(--blue); color: var(--white); border-color: var(--blue); }
.footer h4 {
    color: var(--white);
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 20px;
}

.footer .footer-brand h2 {
    color: var(--white) !important;
    font-size: 0.75rem !important;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: -10px;
    margin-bottom: 16px;
    opacity: 0.8;
}

.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a {
    color: rgba(255,255,255,0.45);
    text-decoration: none;
    font-size: 0.88rem;
    transition: all 0.2s;
}
.footer-links a:hover { color: var(--green-light); padding-left: 4px; }
.footer-contact li {
    display: flex;
    gap: 12px;
    margin-bottom: 14px;
    color: rgba(255,255,255,0.45);
    font-size: 0.88rem;
}
.footer-contact li i { color: var(--green); margin-top: 3px; font-size: 0.85rem; width: 14px; }
.footer-bottom {
    padding: 22px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255,255,255,0.3);
    font-size: 0.82rem;
}

/* ========== WHATSAPP FLOAT ========== */
.wa-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 999;
}
.wa-float-btn {
    width: 60px; height: 60px;
    border-radius: 50%;
    background: #25D366;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.8rem;
    text-decoration: none;
    box-shadow: 0 4px 24px rgba(37,211,102,0.4);
    transition: all 0.3s;
    position: relative;
}
.wa-float-btn:hover { transform: scale(1.1); box-shadow: 0 6px 32px rgba(37,211,102,0.5); }
.wa-float-btn::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid rgba(37,211,102,0.3);
    animation: waPing 2s infinite;
}
@keyframes waPing {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}
.wa-label {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--white);
    color: var(--text);
    padding: 8px 16px;
    border-radius: 10px;
    font-size: 0.82rem;
    font-weight: 600;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}
.wa-float:hover .wa-label { opacity: 1; }

/* ========== SCROLLTOP ========== */
.scroll-top {
    position: fixed;
    bottom: 28px;
    left: 28px;
    width: 44px; height: 44px;
    border-radius: 12px;
    background: var(--white);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text);
    font-size: 0.9rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s;
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}

.scroll-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-top:hover { background: var(--blue); color: var(--white); border-color: var(--blue); }