@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,300;0,400;0,700;1,300;1,400;1,700&display=swap');
* {
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Poppins', sans-serif;
}

header{
    position: sticky;
    top: 0;
}

header nav {
    display: flex;
    justify-content: space-around;
    background-color: #21689E;
    padding: 20px 0;
    align-items: center;
}

header nav ul {
    list-style: none;
    display: flex;
    justify-content: space-between;
    width: 40%;
}

header nav ul li a {
    color: #FFF;
    text-decoration: none;
    transition: 0.3s ease;
}

header nav ul li a:hover{
    color: #FFD32D;
    text-decoration: underline;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    width: 2em;
}

.logo h3 {
    color: #FFF;
    margin-left: 10px;
}

.back-to-top {
    background-color: #FFD32D;
    padding: 20px;
    text-align: center;
    border-radius: 20px;
    position: fixed;
    bottom: 30px;
    right: 30px;
    text-decoration: none;
    color: #21689E;
    font-weight: bold;
    font-size: large;
    z-index: 10;
}

.back-to-top:hover {
      background-color: #21689E;
      color: #FFD32D;
}

.hero{
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(180deg, rgba(33,104,158,1) 0%, rgba(33,140,158,1) 100%);
    padding: 0 20px;
}

.hero img {
    width: 700px;
}

.hero-title{
    color: white;
}

.hero-title h1 {
    font-size: 40pt;
}

.hero-title a {
    margin-top: 20px;
    font-family: 'Poppins', sans-serif;
    font-weight: bold;
    background: #FFD32D;
    color: #21689E;
    border-radius: 20px;
    border: none;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    transition: all 0.2s;
}

.hero-title a:hover{
    background: #ffffff;
    color: #21689E;
}

.section{
    background-color: #FFD32D;
    padding: 20px;
    text-align: center;
    color: #21689E;
}

.profile{
    display: flex;
    padding: 10% 10%;
}

.profile-pic {
    flex: 1;
}

.profile-pic img {
    max-width: 100%;
}

.profile-text {
    padding: 20px;
    flex: 2;
}

.profile-text h2 {
    font-size: 50pt;
    color: #21689E;
}

.profile-text p {
    font-size: 13pt;
    text-align: justify;
}

.portfolio{
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 50px;
}

.portfolio embed {
    max-width: 100%;
    width: 1280px;
    height: 768px;
    justify-content: center;
}

.portfolio h2 {
    color: #21689E;
    margin-top: 20px;
    margin-bottom: 50px;
    text-align: center;
}

.testimonials-container{
    display: flex;
    align-items: stretch;
    margin-top: 20px;
    margin-bottom: 20px;
}

.testimonials-container aside {
    margin: 20px 50px;
    background-color: #fff;
    padding: 20px 50px;
    flex-basis: 0;
    flex-grow: 1;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-radius: 20px;
}

.testimonials-container aside h2,h3 {
    color: #21689E;
}

.testimonials-container aside p {
    text-align: justify;
    margin-top: 10px;
    color: #21689E ;
}

.testimonials-container aside img {
    border-radius: 50%;
    width: 200px;
}

footer {
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    background-color: #21689E;
    padding: 40px 0;
}

footer nav {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    padding: 20px 0;
    align-items: center;
    margin: 10px 0;
}

footer nav ul {
    list-style: none;
    display: flex;
    justify-content: space-between;
}

footer nav ul li a:hover{
    background-color: #2881c5;
    color: #FFD32D;
}

footer nav ul li a {
    text-decoration: none;
    margin: 0 20px;
    padding: 20px;
    background-color: #FFD32D;
    border-radius: 20px;
    color: #21689E;
    transition: all 0.2s;
    font-weight: bold;
}

/* responsive */
/* tablet */
@media screen and (max-width : 1000px) {
    header nav ul {
        width: 50%;
    }

    .hero img {
        width: 500px;
    }

    .profile {
        flex-direction: column-reverse;
    }

    .testimonials-container {
        flex-direction: column;
    }
}

/* mobile */
@media screen and (max-width : 786px) {
    body{
        display: flex;
        flex-direction: column;
    }

    header nav {
        display: flex;
        align-items: initial;
        flex-direction: column;
        justify-content: space-evenly;
        position: relative;
        padding: 0;
    }

    header nav ul {
        width: 100vw;
    }

    header nav ul li {
        justify-content: space-around;
        padding: 10px;
    }

    header nav ul li a:hover{
        font-weight: initial;
        padding: 0;
    }

    .logo{
        display: none;
    }

    .hero {
        height: 100vh;
        flex-direction: column;
        justify-content: space-around;
    }
    .hero img {
        width: 100vw;
        background-size: cover;
    }

    .hero-title {
        align-items: center;
        text-align: center;
        margin-top: -200px;
    }

    .hero-title p {
        padding: 20px;
    }

    .profile{
        align-items: center;
        
    }

    .back-to-top{
        display: none;
    }

    footer nav{
        margin: 5px 0;
        padding: 0;
    }

    footer nav ul{
        flex-direction: row;
    }

    footer nav ul li {
        margin: 10px 0;
    }

    footer nav ul li a{
        padding: 5px;
        margin: 0 5px;
    }
}