/* Defaults */
* {
    margin: 0;
}

*, *::before, *::after {
    box-sizing: border-box;
}

img {
    display: block;
    max-width: 100%;
}


body {
    font-family: 'Noto Serif TC', serif;
    font-size: 16px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Headers and Text Sizing */
h1 {
    font-size: 4rem;
}

h2 {
    font-size: 4rem;
    text-align: center;
    padding: 2rem 0;
}

.wrapper p, .wrapper ul li {
    font-size: 1.5rem;
}

.wrapper h4 {
    font-size: 2rem;
    padding: 3rem 0;
}

.section-hero p {
    font-size: 2rem;
    text-align: center;
}

/* Header */
header {
    position: fixed;
    width: 100%;
    height: 4rem;
    background-color: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    font-size: 2rem;
}

header nav {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 1rem;
}

header nav span {
    font-size: 2.5rem;
}

header a {
    color: rgba(0, 0, 128, 0.7) !important;
    text-decoration: none;
    background: rgba(255, 255, 255, 0.7);
    padding: 1px 8px;
    border: 4px solid rgba(0, 0, 128, 0.7) !important;
    border-radius: 6px;
    display: inline-block;
    transition: all 0.3s ease 0s;
}

header a:hover {
    color: rgba(0, 0, 0, 0.8)!important;
    border-radius: 50px;
    border-color: rgba(0, 0, 0, 0.8) !important;
    transition: all 0.3s ease 0s;
}


/* Layout */
main {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
}

.section-content, .hero-content {
    width: 100vw;
    height: 100%;
    max-width: 1600px;
    margin: 0 auto;
}

.section-hero p {
    padding: 3rem 0;
}

.hero-image {
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url('images/brick_wall.png');
    background-size: cover;
    background-position: center;
    height: 60vh;
    min-height: 400px;
    color: white;
    text-align: center;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.container {
    display: flex;
    flex-wrap: wrap;
    width: 100%;
}

.container .wrapper {
    flex: 1;
    margin: 0 1rem;
}

.container .wrapper img {
    width: 100%;
    height: auto;
}

hr {
    width: 100vw;
    max-width: 1600px;
    margin: 2rem auto;
    border: 4px solid navy;
}

/* Footer */
footer {
    flex: 1;
    background-color: black;
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
}

/* Media Query for Mobile Devices */
@media only screen and (max-width: 600px) {
    hr {
        margin: 2rem auto 0 auto;
    }

    header {
        height: 3rem;
        font-size: 1.5rem;
    }

    header nav span {
        font-size: 1.5rem;
    }

    header nav {
        padding: 0 0.5rem;
    }

    header a {
        font-size: 1rem;
    }
    
    
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2.5rem;
        padding: 1rem 0;
    }

    .wrapper p, .wrapper ul li {
        font-size: 1.2rem;
    }

    .wrapper h4 {
        font-size: 1.5rem;
        padding: 2rem 0;
    }

    .section-hero p {
        font-size: 1.5rem;
    }

    main {
        height: auto;
    }

    .hero-image {
        height: 40vh;
    }
    
    .container .wrapper {
        margin: 0;
    }

    footer {
        padding: 1rem;
        margin-top: 2rem;
    }

    .section-content {
        padding: 0 1rem;
    }

    .section-content .container img {
        margin-bottom: 1rem;
    }

    .section-content .container {
        flex-flow: column;
    }

    .section-content#masonry .container {
        flex-flow: column-reverse;
    }
}