*{
    margin: 0;
    font-family: 'Bai Jamjuree', sans-serif;
}
:root{
    --strong-cyan: hsl(171, 66%, 44%);
    --strong-cyan-2: hsl(171, 58%, 33%);
    --light-blue: hsl(233, 100%, 69%);
    --light-blue-2: hsl(233, 78%, 53%);
    --dark-gratish-blue: hsl(210, 10%, 33%);
    --grayish-blue: hsl(201, 11%, 66%);
}
h1{
    font-size: 1.8rem;
    color: var(--dark-gratish-blue);
    font-weight: 600;
}
h2{
    font-size: 1.4rem;
    color: var(--dark-gratish-blue);
    font-weight: 600;
}
h3{
    font-size: 1.1rem;
    color: var(--dark-gratish-blue);
    font-weight: 600;
}
p{
    font-size: 1rem;
    color: var(--grayish-blue);
    font-weight: 400;
    line-height: 1.7rem;
}

.btn-ios{
    font-size: 1.2rem;
    font-weight: 600;
    width: 20rem;
    height: 3.5rem;
    border: none;
    color: white;
    background-color: var(--strong-cyan);
    border-radius: 35px;
    border-bottom: 3px solid var(--strong-cyan-2);
    border-left: 1px solid var(--strong-cyan-2);
    border-right: 1px solid var(--strong-cyan-2);
    cursor: pointer;
}
.btn-mac {
    font-size: 1.2rem;
    font-weight: 600;
    width: 20rem;
    height: 3.5rem;
    border: none;
    color: white;
    background-color: var(--light-blue);
    border-radius: 35px;
    border-bottom: 3px solid var(--light-blue-2);
    border-left: 1px solid var(--light-blue-2);
    border-right: 1px solid var(--light-blue-2);
    cursor: pointer;
}

/* header */
#header{
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    padding-bottom: 11rem;
}
.header-mobile{
    width: 100%;
}
.logo{
    height: 150px;
    width: 150px;
}
.header-title{
    text-align: center;
}
.header-text{
    text-align: center;
}
.header-buttons{
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* section 2 */
.section-2{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 2rem;
    padding: 0 1.5rem;
    padding-bottom: 11rem;
}
.section-2-img{
    width: 80%;
}
.section-2-explain{
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}
.section-2-explain-text{
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}
/* section 3 */
.section-3{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 2rem;
    padding: 0 1.5rem;
    padding-bottom: 11rem;
}
.section-3-img{
    width: 80%;
}
.section-3-tools{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 2rem;
}

/* section 4 */
.section-4{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    justify-content: space-around;
    text-align: center;
    gap: 2rem;
    padding: 0 1.5rem;
    padding-bottom: 11rem;
    overflow: auto;
}
/* section 5 */
.section-5 {
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 2rem;
    padding: 0 1.5rem;
    padding-bottom: 11rem;
    
}
.section-5-buttons {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}
 /*footer */
footer{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 2rem;
    padding: 0 1.5rem;
    padding-bottom: 5rem;
}

.footer-icons{
    display: flex;
    flex-direction: row;
    gap: 2.5rem;
}
.footer-link{
    cursor: pointer;
}
.footer-link:hover {
    color: var(--strong-cyan);
}
@media (min-width: 718px){
    .header-buttons{
        flex-direction: row;
    }
    .header-mobile{
        display: none;
        background-image: url(./images/bg-header-desktop.png);
    }
    .section-2-explain{
        flex-direction: row;
        text-align: left;
    }
    .section-2-img{
        width: 50%;;
    }
    .section-3-img{
        width: 50%;
    }
    .section-3-tools{
        flex-direction: row;
    }
    .section-4{
        flex-direction: row;
        gap: 2rem;
        padding: 10rem 5rem;
    }
    .section-5-buttons{
        flex-direction: row;
        justify-content: space-around;
    }
}