.footer-acosys{background:var(--bs-tertiary-bg);color:var(--bs-secondary-color);position:relative;overflow:hidden;margin-top:56px}.footer-acosys::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--bs-primary)}.footer-acosys .footer-inner{max-width:1140px;margin:0 auto;padding:56px 20px 0}.footer-brand h3{color:var(--bs-emphasis-color);font-weight:600;letter-spacing:.5px;margin-bottom:14px}.footer-brand p{font-size:14px;line-height:1.7;color:var(--bs-secondary-color);max-width:320px}.footer-col h4{color:var(--bs-emphasis-color);font-size:16px;font-weight:600;margin-bottom:18px;position:relative;padding-bottom:10px}.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:34px;height:3px;border-radius:3px;background:var(--bs-primary)}.footer-col a{display:block;color:var(--bs-secondary-color);text-decoration:none;font-size:14px;padding:6px 0;transition:color .2s ease,transform .2s ease}.footer-col a:hover{color:var(--bs-emphasis-color);transform:translateX(5px)}.footer-col a i{color:var(--bs-primary);font-size:.7rem;margin-right:8px}.footer-social{margin-top:18px;display:flex;gap:10px}.footer-social a{width:38px;height:38px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:var(--bs-secondary-bg);color:var(--bs-body-color);font-size:1.05rem;transition:background .2s ease,transform .2s ease,color .2s ease}.footer-social a:hover{background:var(--bs-primary-bg-subtle);color:var(--bs-primary-text-emphasis);transform:translateY(-3px)}.footer-contact a{color:var(--bs-secondary-color);text-decoration:none;font-size:14px;display:inline-flex;align-items:center;gap:8px}.footer-contact a:hover{color:var(--bs-emphasis-color)}.footer-contact i{color:var(--bs-primary)}.footer-bottom{margin-top:44px;border-top:1px solid var(--bs-border-color);padding:18px 20px;text-align:center;font-size:13px;color:var(--bs-secondary-color)}.footer-bottom strong{color:var(--bs-emphasis-color);font-weight:500}.back-to-top{position:absolute;right:22px;top:-22px;width:44px;height:44px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:1.1rem;box-shadow:0 6px 16px rgba(var(--bs-emphasis-color-rgb),.2)}