/* RESET & CÀI ĐẶT CHUNG */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, Arial, sans-serif;
}

body {
    background-color: #060a16; /* Màu nền tối sâu */
    color: #ffffff;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* NỘI DUNG CHÍNH */
.main-content {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;
}

.worker-icon {
    font-size: 60px;
    color: #46e069;
    margin-bottom: 20px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.7; }
    100% { transform: scale(1); opacity: 1; }
}

h1 {
    font-size: 2rem;
    letter-spacing: 3px;
    margin-bottom: 15px;
    color: #fff;
}

.main-content p {
    color: #a5b4c1;
    line-height: 1.6;
}

/* FOOTER */
.footer {
    padding: 20px 0 40px 0;
    text-align: center;
    background: linear-gradient(to top, #040710, #060a16);
}

/* Thanh menu bo góc trắng giống ảnh */
.footer-top-nav {
    display: inline-block;
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: 30px;
    padding: 6px 30px;
    font-size: 13px;
    margin-bottom: 30px;
    background: rgba(255, 255, 255, 0.05);
}

.footer-top-nav a {
    color: #fff;
    text-decoration: none;
    margin: 0 8px;
    transition: 0.3s;
}

.footer-top-nav a:hover {
    color: #46e069;
}

/* Bố cục ngang Logo + Info */
.footer-main-layout {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 25px;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* LOGO TRÒN XANH */
.logo-circle {
    width: 90px;
    height: 90px;
    background: radial-gradient(circle, #4fe671 0%, #1a8a34 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 20px rgba(70, 224, 105, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.logo-inner {
    text-align: center;
    color: white;
}

.logo-name {
    font-size: 14px;
    font-weight: bold;
    display: block;
    margin-bottom: -5px;
}

.logo-icon-svg {
    font-size: 24px;
}

.logo-circle img {
    width: 80%;
    position: absolute;
    z-index: 2;
}

/* THÔNG TIN CHI TIẾT */
.footer-info {
    text-align: left;
}

.company-name {
    font-size: 16px;
    color: #dee2e6;
    font-weight: bold;
    margin-bottom: 4px;
}

.service-text {
    font-size: 14px;
    color: #adb5bd;
}

.service-text-en {
    font-size: 13px;
    color: #6c757d;
    margin-bottom: 8px;
}

.extra-info {
    font-size: 13px;
    color: #868e96;
    max-width: 600px;
    margin-bottom: 15px;
    line-height: 1.4;
}

/* ICON VÀ LIÊN HỆ */
.contact-grid {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 14px;
    color: #adb5bd;
}

/* Màu icon đẹp bản Free */
.icon-red { 
    color: #ff4d4d; 
    margin-right: 5px;
    filter: drop-shadow(0 0 2px rgba(255, 77, 77, 0.3));
}

.icon-blue { 
    color: #00a8ff; 
    margin-right: 5px;
    filter: drop-shadow(0 0 2px rgba(0, 168, 255, 0.3));
}

.separator {
    color: #495057;
    font-weight: bold;
}

.contact-grid a {
    color: #adb5bd;
    text-decoration: none;
    transition: 0.2s;
}

.contact-grid a:hover {
    color: #00a8ff;
}

.copyright {
    margin-top: 15px;
    font-size: 11px;
    color: #495057;
}

/* MOBILE RESPONSIVE */
@media (max-width: 768px) {
    .footer-main-layout {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .footer-info {
        text-align: center;
    }
    .contact-grid {
        justify-content: center;
    }
    .separator {
        display: none;
    }
    .contact-item {
        width: 100%;
        margin-bottom: 5px;
    }
}