/**
 * Xe Tải VP - Footer Element Styles
 * Thiết kế giao diện Footer sang trọng, hiện đại chuẩn nhận diện thương hiệu THACO Xe Tải Vĩnh Phúc.
 */

.xetai-footer-wrapper {
    background-color: #001e3d; /* Xanh Navy Đậm THACO sang trọng */
    color: #e2e8f0;
    padding: 60px 0 50px 0;
    font-family: inherit;
    border-top: 4px solid #D32F2F; /* Chỉ đỏ nổi bật */
    position: relative;
    box-sizing: border-box;
}

.xetai-footer-container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

.xetai-footer-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1.1fr 1.3fr;
    gap: 36px;
    margin-bottom: 0;
}

.xetai-footer-col {
    display: flex;
    flex-direction: column;
}

/* ==========================================================================
   CỘT 1: LOGO & GIỚI THIỆU & SOCIAL
   ========================================================================== */
.xetai-footer-logo-wrap {
    margin-bottom: 18px;
}

.xetai-footer-logo {
    max-height: 52px;
    width: auto;
    display: block;
    object-fit: contain;
}

.xetai-footer-logo-text {
    font-size: 20px;
    font-weight: 900;
    color: #ffffff;
    margin: 0 0 16px 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1.3;
}

.xetai-footer-logo-text span {
    color: #ff5252;
}

.xetai-footer-about {
    font-size: 13.5px;
    line-height: 1.65;
    margin: 0 0 22px 0;
    color: #94a3b8;
}

.xetai-footer-social {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.xetai-footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background-color: rgba(255, 255, 255, 0.08);
    color: #ffffff !important;
    text-decoration: none;
    border-radius: 50%;
    transition: all 0.25s ease;
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.xetai-footer-social a svg {
    width: 17px;
    height: 17px;
}

.xetai-footer-social a:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 16px rgba(211, 47, 47, 0.4);
    border-color: #D32F2F;
    background-color: #D32F2F;
}

/* ==========================================================================
   TIÊU ĐỀ CỘT 2, 3, 4
   ========================================================================== */
.xetai-footer-title {
    font-size: 16px !important;
    font-weight: 800 !important;
    color: #ffffff !important;
    margin: 0 0 20px 0 !important;
    position: relative;
    padding-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1.3;
}

.xetai-footer-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 36px;
    height: 3px;
    background-color: #D32F2F;
    border-radius: 2px;
}

/* ==========================================================================
   DANH SÁCH LIÊN KẾT (CỘT 2 & 3)
   ========================================================================== */
.xetai-footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 11px;
}

.xetai-footer-links li a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 13.5px;
    line-height: 1.45;
    transition: all 0.2s ease;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.xetai-footer-links li a .link-arrow {
    color: #D32F2F;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 1px;
    transition: transform 0.2s ease;
}

.xetai-footer-links li a:hover {
    color: #ffffff;
    padding-left: 5px;
}

.xetai-footer-links li a:hover .link-arrow {
    transform: translateX(3px);
}

/* ==========================================================================
   CỘT 4: THÔNG TIN LIÊN HỆ SHOWROOM
   ========================================================================== */
.xetai-footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 13px;
}

.xetai-footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 13.5px;
    color: #94a3b8;
    line-height: 1.5;
}

.xetai-footer-contact li .contact-icon {
    width: 18px;
    height: 18px;
    color: #ff5252;
    flex-shrink: 0;
    margin-top: 2px;
}

.xetai-footer-contact li a {
    color: #e2e8f0;
    text-decoration: none;
    font-weight: 700;
    transition: color 0.2s ease;
}

.xetai-footer-contact li a:hover {
    color: #ff5252;
}

.xetai-footer-fanpage {
    margin-top: 18px;
    border-radius: 8px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.04);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1024px) {
    .xetai-footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

@media (max-width: 640px) {
    .xetai-footer-wrapper {
        padding: 45px 0 40px 0;
    }
    .xetai-footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
}