/* NÚT ĐẶT LỊCH */
.dat_ngay {
    background: linear-gradient(180deg, #ff5b7b 0%, #e63b5c 100%) !important;
    border: none !important;
    border-radius: 999px !important;
    padding: 0 35px !important;
    min-height: 54px;
    box-shadow:
        0 6px 0 #b91f3d,
        0 10px 20px rgba(230, 59, 92, 0.35);
    position: relative;
    overflow: hidden;
    transition: 0.3s ease;
    animation: datlich-nhay 1.2s infinite ease-in-out;
}

/* TEXT */
.dat_ngay span {
    color: var(--color-white);
    font-size: 22px;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    z-index: 2;
}

/* HIỆU ỨNG SÁNG */
.dat_ngay::before {
    content: "";
    position: absolute;
    top: 0;
    left: -120%;
    width: 70%;
    height: 100%;
    background: linear-gradient(
        120deg,
        transparent,
        rgba(255,255,255,0.5),
        transparent
    );
    transform: skewX(-25deg);
    animation: shine 2.5s infinite;
}

/* HOVER */
.dat_ngay:hover {
    transform: translateY(-3px) scale(1.03);
    box-shadow:
        0 8px 0 #b91f3d,
        0 14px 28px rgba(230, 59, 92, 0.45);
}

/* NHẤP NHÁY LÊN XUỐNG */
@keyframes datlich-nhay {
    0%, 100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-6px);
    }
}

/* HIỆU ỨNG QUÉT SÁNG */
@keyframes shine {
    0% {
        left: -120%;
    }

    100% {
        left: 130%;
    }
}

/* MOBILE */
@media (max-width: 768px) {
    .dat_ngay {
        min-height: 48px;
    }

    .dat_ngay span {
        font-size: 21px;
    }
}

/* NÚT ZALO KỸ THUẬT VIÊN */
.nut_kt {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--color-main) !important;
    border-radius: 999px !important;
    color: var(--color-white) !important;
    font-size: 16px;
    box-shadow: 0 6px 18px rgba(230, 59, 92, 0.35);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    animation: zoomBlink 1.5s infinite;
}

/* TEXT */
.nut_kt span {
    position: relative;
    z-index: 2;
	font-size: 15px;
}

/* HIỆU ỨNG NHẤP NHÁY */
.nut_kt::before {
    content: '';
    position: absolute;
    top: 0;
    left: -120%;
    width: 60%;
    height: 100%;
    background: rgba(255, 255, 255, 0.25);
    transform: skewX(-25deg);
    animation: shine 2.5s infinite;
}

/* HOVER */
.nut_kt:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 24px rgba(230, 59, 92, 0.5);
}

/* ZOOM RA VÔ */
@keyframes zoomBlink {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.06);
    }

    100% {
        transform: scale(1);
    }
}

/* ÁNH SÁNG CHẠY */
@keyframes shine {
    0% {
        left: -120%;
    }

    100% {
        left: 140%;
    }
}

/* MOBILE */
@media (max-width: 768px) {
    .nut_kt {
        width: 100%;
        padding: 13px 18px;
        font-size: 14px;
    }
	
	.nut_kt span {
		font-size: 14px;
	}
}

.doi_tac {
    overflow: hidden;
    position: relative;
    width: 100%;
}

/* Vùng chứa ảnh chạy ngang */
.doi_tac .hinh_anh {
    white-space: nowrap;
    display: flex;
    align-items: center;
}

/* Dãy logo */
.doi_tac .logo-track {
    display: flex;
    animation: slideLeft 25s linear infinite;
    white-space: nowrap;
}

/* Logo item */
.doi_tac .logo_img {
    display: inline-block;
    margin: 0 40px;
}

/* Animation chạy từ phải qua trái */
@keyframes slideLeft {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}