* {
    margin: 0;
    padding: 0;
    border: 0;
    outline: 0;
    text-decoration: none;
    list-style: none;
    box-sizing: border-box;
}
body {
    font-family: sans-serif;
    line-height: 1.7;
    color: #00008b;
    background: white;
}
.container {
    width: 80%;
    margin: 0 auto;
}
section {
    padding: 6rem 0;
}
section h2 {
    text-align: center;
    margin-bottom: 4rem;
}
h1, h2, h3, h4, h5 {
    line-height: 1.2;
}
h1 {
    font-size: 3.5rem;
}
h2 {
    font-size: 2rem;
}
h3 {
    font-size: 1.6rem;
}
h4 {
    font-size: 1.3rem;
}
a {
    color: #00008b;
}
img {
    width: 100%;
    display: block;
    object-fit: cover;
}
.btn {
    display: inline-block;
    background: #00008b;
    color: white;
    padding: 1rem 2rem;
    border: 1px solid transparent;
    font-weight: 500;
    transition: all 500ms ease;
}
.btn:hover {
    background: transparent;
    color: goldenrod;
    border-color: goldenrod;
}
.btn-primary {
    background: #00008b;
    color: white;
}


nav {
    background: transparent;
    width: 100vw;
    height: 5rem;
    position: fixed;
    top: 0;
    z-index: 11;
}

.window-scrool {
    background: aliceblue;
    box-shadow: 0 1rem 2rem rgba(0, 0, 0, 0.3);
}
.nav_container {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
nav button {
    display: none;
}
.nav_menu {
    display: flex;
    align-items: center;
    gap: 4rem;
}
.nav_menu a {
    font-family: 0.9rem;
    transition: all 500ms ease;
    font-weight: bolder;
}
.nav_menu a:hover {
    color: goldenrod;
}
span {
    color: goldenrod;
}

header {
    position: relative;
    top: 5rem;
    overflow: hidden;
    height: 70vh;
    margin-bottom: 5rem;
}
.header_container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 5rem;
    height: 100%;
}

.header_left p {
    margin: 1rem 0 2.4rem;
    
}


.categories {
    background: ghostwhite;
    height: 110rem;
}
.categories h1 {
    line-height: 1;
    margin-bottom: 3rem;
}
.categories_container {
    display: grid;
    grid-template-columns: 40% 60%;
}
.categories_left {
    margin-right: 4rem;
}
.categories_left p {
    margin: 1rem 0 3rem;
}
.categories_right {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.2rem;
}
.category {
    background: aliceblue;
    padding: 2rem;
    border-radius: 2rem;
    transition: all 500ms ease;
}
.category:hover {
    box-shadow: 0 3rem 3rem goldenrod;
    z-index: 1;
}

.category h4 {
    margin: 2rem 0 1rem;
}
.category p {
    font-size: 0.85rem;
}

.programs {
    margin-top: 10rem;
}
.programs_container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.programs {
    background: #add8e6;
    text-align: center;
    border: 1px solid transparent;
    transition: all 500ms ease;
}
.programs:hover{
    background: transparent;
    border-color: aliceblue;
    border-radius: 5px;
}
.program_info {
    padding: 2rem;
}
.program_info p {
    margin: 1.2rem 0 2rem;
    font-size: 0.9rem;
}
.testimonies {
    background: aliceblue;
    box-shadow:inset 0 0 3rem black;
}
.testimonies_container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.testimony {
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 1.4 rem;
    height: fit-content;
    background: ghostwhite;
    cursor: pointer;
}
.test h4 {
    font-size: 1 rem;
    line-height: 2.2;
}
.team_container {
    overflow-x: hidden;
    position: relative;
    margin-bottom: 5rem;
}
.team {
    padding-top: 2rem;
}
.team_info {
    text-align: center;
}
footer {
    background: aliceblue;
    padding-top: 5rem;
    font-size: 0.9rem;
}
.footer_container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 5rem;
}
.footer_container > div h4 {
    margin-bottom: 1.2rem;
}
.footer_1 p {
    margin: 0 0 2rem;
}
footer ul li {
    margin-bottom: 0.7rem;
}
footer ul li a:hover {
    text-decoration: underline;
}
.footer_socials {
    display: flex;
    gap: 1rem;
    font-size: 1.2rem;
    margin-top: 2rem;
}
.footer_copyright {
    text-align: center;
    margin-top: 4rem;
    padding: 1.2rem 0;
    border-top: 1px solid #00008b;
}

/* for tablet */
@media screen and (max-width: 1024px) {
    .container{
        width: 90%;
    }

    h1 {
        font-family: 2.2rem;
    }
    h2 {
        font-size: 1.7rem;
    }
    h3 {
        font-size: 1.4rem;
    }
    h4 {
        font-size: 1.2rem;
    }


    nav button {
        display: inline-block;
        background: transparent;
        font-size: 1.8rem;
        color: white;
    }
}