:root {
    --black: #000;
    --white: #fff;
    --border: 2px solid #000;
    --gap: 1.5rem;
    --font: "Courier New", Courier, monospace;
    --font-size: 1rem;
    --input-padding: 0.5rem;
    --content-width: 860px;
    --large-content-width: 1500px;
    --content-padding: 3rem;
}

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

body {
    font-family: var(--font);
    font-size: var(--font-size);
    color: var(--black);
    background: var(--white);
    margin: 0;
    padding: 0;
}

/* LAYOUT */

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--gap);
    border-bottom: var(--border);
}

main {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: var(--content-padding);
}

footer {
    padding: var(--gap);
    border-top: var(--border);
    margin-top: var(--gap);
}

section {
    border-bottom: var(--border);
    padding-bottom: var(--gap);
    margin-bottom: var(--gap);
}

section:last-child {
    border-bottom: none;
}

/* NAVIGATION */

nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--gap);
    align-items: center;
}

nav form {
    margin: 0;
}

nav button[type="submit"] {
    all: unset;
    cursor: pointer;
    font-family: var(--font);
    font-size: var(--font-size);
    color: var(--black);
}

nav button[type="submit"]:hover {
    text-decoration: underline;
}

/* TYPOGRAPHY */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 var(--gap) 0;
    border-bottom: var(--border);
    padding-bottom: 0.25rem;
}

h2 {
    padding: var(--gap);
    margin: 0;
}

h3 {
    border-bottom: 0;
}

p {
    margin: 0 0 var(--gap) 0;
    line-height: 1.5;
}

a {
    color: var(--black);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

h1 > a:hover {
    text-decoration: none;
}

a.button {
    border: var(--border);
    border-bottom: var(--border);
    padding: var(--input-padding) 1.5rem;
    background: var(--black);
    color: var(--white);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

a.button:hover {
    background: var(--white);
    color: var(--black);
}

/* FORMS */

form {
    display: flex;
    flex-direction: column;
    gap: var(--gap);
    max-width: 480px;
    margin: 0 auto;
}

fieldset {
    border: var(--border);
    padding: var(--gap);
    margin: 0;
}

legend {
    font-weight: 900;
    text-transform: uppercase;
    padding: 0 0.5rem;
}

label {
    display: block;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    margin-bottom: 0.25rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="search"],
textarea,
select {
    display: block;
    width: 100%;
    padding: var(--input-padding);
    font-family: var(--font);
    font-size: var(--font-size);
    color: var(--black);
    background: var(--white);
    border: var(--border);
    outline: none;
    appearance: none;
}

input:focus,
textarea:focus,
select:focus {
    outline: 4px solid var(--black);
    outline-offset: 0;
}

textarea {
    min-height: 8rem;
    resize: vertical;
}

.form-group {
    display: flex;
    flex-direction: column;
}

/* BUTTONS */

button,
input[type="submit"],
input[type="reset"],
.button {
    display: inline-block;
    padding: var(--input-padding) 1.5rem;
    font-family: var(--font);
    font-size: var(--font-size);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--white);
    background: var(--black);
    border: var(--border);
    cursor: pointer;
}

button:hover,
input[type="submit"]:hover,
.button:hover {
    background: var(--white);
    color: var(--black);
}

button.secondary,
.button.secondary {
    background: var(--white);
    color: var(--black);
}

button.secondary:hover,
.button.secondary:hover {
    background: var(--black);
    color: var(--white);
}

/* TABLES */

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--gap);
}

th, td {
    padding: var(--input-padding);
    border: var(--border);
    text-align: left;
}

th {
    font-weight: 900;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    background: var(--black);
    color: var(--white);
}

tr:hover td {
    background: #eee;
}

/* LISTS */

ul, ol {
    padding-left: var(--gap);
    margin: 0 0 var(--gap) 0;
}

li {
    margin-bottom: 0.25rem;
}

ul.section-menu {
    display: flex;
    justify: space-between;
    width: 100%;
    padding: 0;
    margin: 0;
    list-style: none;
    border-bottom: 1px solid var(--black);

    li {
        border-left: 1px solid var(--black);
        flex:1;
        padding: 1rem;
        margin: 0;
    }

    li:first-of-type {
        border-left: 0;
    }
}

/* DIRECTORY */

body.directory .directory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--gap);
}

body.directory .directory-card {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    border: var(--border);
    padding: var(--gap);
    text-decoration: none;
    color: var(--black);
}

body.directory .directory-card:hover {
    background: var(--black);
    color: var(--white);
    text-decoration: none;
}

body.directory .directory-card__name {
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

body.directory .directory-card__meta {
    font-size: 0.85rem;
    opacity: 0.7;
}

/* UTILITIES */

.error, .errorlist {
    color: var(--black);
    border: var(--border);
    padding: var(--input-padding);
    list-style: none;
    padding-left: var(--input-padding);
    margin-bottom: var(--gap);
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 4px,
        #eee 4px,
        #eee 8px
    );
}

.messages {
    list-style: none;
    padding: 0;
    margin-bottom: var(--gap);
}

.messages li {
    padding: var(--input-padding);
    border: var(--border);
    margin-bottom: 0.5rem;
}

/* FAQ */

.faqs {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: var(--content-padding);
}

.faqs .container {
    margin-bottom: var(--gap);
}

.faqs details {
    border: var(--border);
    margin-bottom: -1px;
}

.faqs summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--input-padding) var(--gap);
    font-family: var(--font);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    list-style: none;
    user-select: none;
}

.faqs summary::-webkit-details-marker {
    display: none;
}

.faqs summary::after {
    content: "+";
    font-weight: 900;
    flex-shrink: 0;
}

.faqs details[open] > summary::after {
    content: "−";
}

.faqs summary:hover {
    background: var(--black);
    color: var(--white);
}

.faqs .faq-answer {
    padding: var(--gap);
    border-top: var(--border);
}

.faqs .faq-answer p:last-child {
    margin-bottom: 0;
}