/* demist AI — one stylesheet for a one-page placeholder.
   The palette, spacing and radius tokens are the website's
   (www/htdocs/styles.css), themselves a subset of the app's, so this page looks
   like the same product as everything else on demist.net. */

:root {
    color-scheme: light dark;

    --primary-color: #007bff;
    --primary-hover-color: #0056b3;
    --background-color: light-dark(#ffffff, #1a1a1a);
    --surface-color: light-dark(#f8f9fa, #242424);
    --text-color: light-dark(#333333, #e5e7eb);
    --text-strong-color: light-dark(#1e293b, #f0f1f3);
    --text-muted-color: light-dark(#64748b, #94a3b8);
    --border-color: light-dark(#dee2e6, #3a3a3a);

    /* The icon is black line art, so it needs inverting on a dark background. */
    --icon-filter: none;

    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;

    --border-radius-md: 8px;

    --content-width: 45rem;
}

@media (prefers-color-scheme: dark) {
    :root { --icon-filter: invert(1); }
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    background-color: var(--background-color);
    color: var(--text-color);
}

h1, h2 {
    color: var(--text-strong-color);
    line-height: 1.25;
}

a {
    color: var(--primary-color);
}

img {
    max-width: 100%;
}

/* Header */

.site-header {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-strong-color);
    text-decoration: none;
}

.brand img {
    filter: var(--icon-filter);
}

/* Page */

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

section {
    padding: var(--spacing-xxl) 0 var(--spacing-xl);
}

h1 {
    margin: 0 0 var(--spacing-lg);
    font-size: clamp(2rem, 5vw, 3rem);
}

h2 {
    margin-top: var(--spacing-xl);
    font-size: 1.25rem;
}

/* Set apart from the prose, because a visitor who reads nothing else must still
   read this one. */
.draft-note {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--surface-color);
    border-inline-start: 4px solid var(--primary-color);
    border-radius: var(--border-radius-md);
}

.lead {
    font-size: 1.1rem;
}

.duties {
    padding-inline-start: var(--spacing-lg);
}

.duties li {
    margin-bottom: var(--spacing-md);
}

.duties strong {
    color: var(--text-strong-color);
}

/* Buttons */

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.button {
    display: inline-block;
    padding: 0.6rem 1.4rem;
    font-weight: 600;
    color: var(--primary-color);
    text-decoration: none;
    background: var(--background-color);
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius-md);
}

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

.button.primary {
    color: #ffffff;
    background: var(--primary-color);
}

.button.primary:hover {
    background: var(--primary-hover-color);
    border-color: var(--primary-hover-color);
}

/* Footer */

.site-footer {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-xxl);
    color: var(--text-muted-color);
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.site-footer p {
    margin: var(--spacing-sm) 0;
}