/* Define accent colours */
:root {
    --main: #0B2545;
    --neutral: #134074;
    --accent: #3BA0E7;
    --highlight: #1E88E5;
    --light: #8DA9C4;
    --background: #E3F2FD;
    --background-light: #F1F9FF;
}

html {
    /* Smooth scrolling */
    scroll-behavior: smooth;
}

body, p, h1, h2 {
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--background);
}

p, li, h2, small, th, td {
    font-family: 'DM Sans', sans-serif;
    font-weight: 200;
    letter-spacing: 0.05rem;
}

h1 {
    font-family: "DM Serif Display", serif;
    color: var(--neutral);
}

h2 {
    font-size: 1.3rem;
    font-weight: 300;
    color: var(--neutral);
}

h3 {
    font-size: 1.5rem;
    color: var(--neutral);
    margin-top: 0;
}

h4 {
    font-family: "DM Serif Display", serif;
    color: var(--accent);
    font-style: italic;
}

a {
    text-decoration: underline;
    text-underline-offset: 0.2em;
    /* text-decoration: none; */
    color: var(--main);
}

a:hover {
    text-decoration: underline;
    text-underline-offset: 0.2em;
    color: var(--highlight);
    cursor: pointer;
}

#header {
    background-color: var(--background);
    color: var(--main);
    font-size: 1.7rem;
    font-weight: 600;
    letter-spacing: 0.1rem;
    padding: 2rem;
    padding-bottom: 3rem;
    padding-top: 5rem;
    /* text-align: center; */
    width: 70vw;
    max-width: 800px;
    margin: 0 auto;
}

#header h1 {
    padding-bottom: 3rem;
}

#header h2 {
    font-size: 1.2rem;
    padding-bottom: 1rem;
}

#header h4 {
    font-size: 2.5rem;
    margin: 0;
}

.section:nth-child(odd) {
    background-color: var(--background);
}

.section:nth-child(even) {
    background-color: var(--background-light);
}

.section:nth-child(odd) .figure {
    background-color: var(--background-light);
}

.section:nth-child(even) .figure {
    background-color: var(--background);
}

.section:nth-child(odd) .table-container {
    background-color: var(--background-light);
}

.section:nth-child(even) .table-container {
    background-color: var(--background);
}

.container {
    display: flex;
    flex-direction: column;
    align-items: left;
    justify-content: left;
    margin: 0 auto;
    max-width: 800px;
    padding: 1.5rem;
}

.container p {
    padding-bottom: 0.5rem;
}

.label {
    font-size: small;
    font-style: italic;
    padding-bottom: 0rem;
}

.group {
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    max-width: 800px;
    padding: 1.5rem;
    padding-left: 0;
}

.tag {
    text-decoration: none;
    border-radius: 10px;
    padding: 0.5em;
    padding-left: 1em;
    padding-right: 1em;
    margin-right: 5px;
    margin-bottom: 5px;
    background-color: var(--accent);
    color: var(--background);
    font-family: "DM Serif Display", serif;
    width: fit-content;
    font-size: 1.2rem;
    text-wrap: nowrap;
    display: inline-block;
}

.tag:hover {
    color: var(--background);
}

.highlight {
    /* font-family: "DM Serif Display", serif; */
    color: var(--accent);
    /* font-weight: 600; */
}

pre {
    background-color: var(--background-light);
    color: var(--main);
    font-family: 'DM Mono', monospace;
    padding: 1rem;
    border-radius: 10px;
    overflow-x: auto;
}

.figure {
    padding: 1rem;
    /* margin-top: 1rem; */
    margin-bottom: 1rem;
    border-radius: 10px;
    text-align: center;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

th, td {
    border: 1px solid #ccc;
    padding: 8px;
    text-align: center;
    vertical-align: top;
}

th {
    /* background-color: #f5f5f5; */
    font-weight: bold;
}

.section-divider td {
    border-top: 2px solid var(--accent);
}

.table-container {
    overflow-x: auto;
    margin: 1rem;
}

/* mobile */
@media (max-width: 800px) {
    a {
        text-decoration: underline;
        text-underline-offset: 0.2em;
    }

    .section {
        width: 100%;
        padding: 0;
        margin: 0;
    }

    #header h1 {
        font-size: 2rem;
        padding-bottom: 1rem;
    }
}

/* desktop */
@media (min-width: 800px) {

    .section {
        width: 100%;
        padding-top: 2rem;
        padding-bottom: 2rem;
        margin: 0;
    }

    .container {
        width: 70vw;
    }

}

#footer {
    background-color: var(--light);
    color: var(--background-light);
    font-size: 0.75rem;
    font-weight: 300;
    letter-spacing: 0.1rem;
    padding: 1.5rem;
    text-align: center;
}

#footer a {
    color: var(--background-light);
    text-decoration: none;
}

#footer p {
    padding-bottom: 0.5rem;
}