/* Reset css */
* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

body {
    position: relative;
    top: -10px;
    right: 0;
    left: 0;
}

html {
    font-family:  Helvetica, Arial, sans-serif;
}


/* comon */
.row {
    margin-left: -8px;
    margin-right: -8px;
}

.row::after {
    content: "";
    display: block;
    clear: both;
}

.col {
    float: left;
    padding-left: 8px;
    padding-right: 8px;
}

.col-half {
    width: 50%;
}

.col-full {
    width: 100%;
}

.text-center {
    text-align: center;
}

.mt-8 {
    margin-top: 8px;
}

.mt-16 {
    margin-top: 16px;
}

/* 
Từ ngoài vào trong
Từ trên xuống dưới 
Từ t quan đến chi tiết
*/

/* 
vị trí
Kích thướt
Màu sắc
Kiểu dáng */





/* main */

/* header */
.header {
    position: fixed;
    height: var(--header-height);
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--pink-color);
    display: flex;
    justify-content: space-between;
    z-index: var(--z-index-first);
}

.header__nav {
    position: relative;
    display: inline-flex;
    justify-content: center;
    text-align: center;
}

.header__nav, .header__nav-items-subnav {
    list-style-type: none;
}

.header__nav-items-link {
    display: flex;
    padding: 0 2.4vw;
    text-decoration: none;
    list-style: none;
    color: var(--blue-color);
    line-height: var(--header-height);
    text-transform: uppercase;
    font-size: 1.3vw;
}



.header__nav-items:hover,
.header__nav-items-subnav-text {
    background-color: var(--blue-hover-color);
}

.header__nav-items-subnav-text :hover {
    background-color: var(--hover-color);
    color: var(--pink-color);
}

.header__nav-items:hover .header__nav-items-link {
    color: var(--white-color);

}

.header__nav-items .header__nav-items-link  {
    position: relative;
}


.header__nav-items-subnav {
    position: absolute;
    display: block;
    justify-content: left;
    overflow:hidden;
    border-radius: .3vw;
    z-index: var(--z-index-first);
    box-shadow: 0 0 1vw var(--box-shadow-color);
    line-height: 4vh;
    display: none;
}

.header__nav-items:hover .header__nav-items-subnav {
    display: block;
}


.header__nav-items-subnav a {
    display: flex;
    padding: .8vw 2.4vw;
    text-decoration: none;
    list-style: none;
    color: var(--white-color);
}

.header__nav-items-subnav-text {
    text-decoration-line: none;
    text-transform: uppercase;
    font-size: 1.2vw;
}




.header__nav-items-link.header__nav-items-link-show {
    margin-right: 1.8vw;
}

.header__nav-items-link i {
    position: absolute;
    top: 1.8vw;
    right: 0;
}

.header__nav-items-search {
    font-size: 2vw;
    color: var(--blue-color);

}

.search-icon {
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    margin: 0 2.4vw;
    zoom: 0.9;
}

.header__nav-items-search:hover {
    color: var(--white-color);
}

/* slider */
.slider {
    margin-top: 5vw;
    background: url("https://images5.alphacoders.com/101/1016457.jpg")
    center / cover;
    padding-top: 50%;
    position: relative;
}

.slider-text-content {
    position: absolute;
    top: calc(44%);
    left: 18%;
    transform: translateX(-50%);
    text-align: center;
    color: #ff94ab;
}

.slider-text-content:hover {
    color: #5bb0aa;
}

.text-content-heading {
    font-weight: 400;
    margin: 1vw 0;
    font-size: 2vw;
    line-height: 2vw;
}

.text-content-decription {
    margin: 1vw 0;
    font-size: 1.6vw;
    line-height: 1.6vw;
}


/* Content */
.content-section {
    width: 62.5%;
    padding: 6.4vw 1.6vw;
    margin-left: auto;
    margin-right: auto;
}

.content .section-heading {
    font-size: 2.5vw;
    font-weight: 500;
    letter-spacing: .4vw;
    text-transform: uppercase;
}

.content .section-heading, 
.content .section-subheading {
    text-align: center;
}

.content .section-subheading {
    font-size: 1.5vw;
    margin: 3vw 0;
    font-style: italic;
    opacity: 0.6;
}

.content .about-text {
    font-size: 1.4vw;
    text-align: justify;
    line-height: 1.8vw;
}


.content .members-list {
    padding: 1.2vw 0 4.8vw 0 ;
    display: flex;
    justify-content: space-between;
    text-align: center;
}

.content .members-text {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6vw;
    margin: 4.8vw 0 0 .8vw;

}

.content .member-item {
    float: left;

}

.content .member-item:hover {
    transform: translateY(-2px);
    cursor: pointer;
}

.content .member-item img {
    width: 16vw;
    border-radius: 1vw;
}

.content .member-name {
    font-size: 1.3vw;
    line-height: 1.6vw;
    margin: 8px;
}


/* life section */
.life-section {
    background-color: #22348b;
    color: #b6e8ff;
    height: 47vw;
}

.image-lists {
    display: flex;
    margin-top: 4vw;

}

.image-lists li {
    padding: 0 8px;
    list-style: none;
    font-size: 1.3vw;
    height: 4vw;
    line-height: 4vw;
    text-align: center;
}

.image-lists img {
    width: 16vw;
    border-radius: 10px;
}

.image-lists img:hover {
    transform: translateY(-1px);
    cursor: pointer;
}



/* contact */
.contact-centent {
    margin-top: 48px;
}

.contact-info p {
    font-size: 1.7vw;
    line-height: 3vw;

}


.contact-info i[class*="fa-"] {
    width: 3vw;   
    display: inline-block;
}

.contact-form {
    font-size: 1.5vw;
}

.contact-form .form-control {
    padding: 1vw;
    border: 1px solid #ccc;
    width: 100%;
    font-size: 1.5vw;

}

.contact-form .form-submit-btn {
    background-color: var(--pink-color);
    color: var(--blue-color) ;
    border: none;
    padding: 1vw 1.6vw;
    float: right;
    cursor: pointer;
    font-size: 1.5vw;
}

.contact-form .form-submit-btn:hover {
    background-color: var(--blue-color);
    color: var(--pink-color);
    box-shadow: 0 0  1vw var(--box-shadow-color);
}

/*  Map section */
html .map-section {
    width: 100%;
    margin-top: 2.4vw;
}

html .map-section img {
    width: 100vw;
    position: absolute;
    right: 0;
}