/* Benday website — the app's Aged Newsprint look: cream paper, brick
   ink, mustard and denim, Ben-Day dots, Bowlby One headings. Dark mode is
   the app's night side (dark denim, brick and mustard). */

@font-face {
  font-family: 'Bowlby One';
  /* The OFL font as distributed, only repackaged as WOFF2 (not subset:
     "Bowlby One" is a Reserved Font Name). */
  src: url('fonts/BowlbyOne-Regular.woff2') format('woff2');
  font-display: swap;
}

:root {
  --ground: #f2e9d3;
  --bar: #e9dcbb;
  --card: #f7efdb;
  --sunk: #ebdfc3;
  --ink: #2a2420;
  --ink-soft: #5e5245;
  --outline: #8a7b68;
  --rule: #d6c8a8;
  --brick: #b23e33;
  --on-brick: #ffffff;
  --brick-wash: #f4d3c9;
  --denim: #3e6995;
  --denim-wash: #d6e1ee;
  --mustard: #ddae3e;
  --mustard-deep: #7a580c;
  --mustard-wash: #f3dfa8;
  --dot: rgba(178, 62, 51, 0.16);
  --shadow: 0 1px 0 rgba(42, 36, 32, 0.08), 0 8px 24px -12px rgba(42, 36, 32, 0.25);
  --radius: 12px;
  --display: 'Bowlby One', 'Arial Black', Impact, sans-serif;
  --body: 'Noto Sans', Roboto, system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ground: #141a22;
    --bar: #1e2631;
    --card: #1c242f;
    --sunk: #0f141a;
    --ink: #ece4d2;
    --ink-soft: #a9a291;
    --outline: #4f5a68;
    --rule: #2e3946;
    --brick: #e0675c;
    --on-brick: #2a0a06;
    --brick-wash: #6b241d;
    --denim: #8fb3d9;
    --denim-wash: #232d39;
    --mustard: #ddae3e;
    --mustard-deep: #ddae3e;
    --mustard-wash: #4a3a12;
    --dot: rgba(221, 174, 62, 0.12);
    --shadow: 0 1px 0 rgba(0, 0, 0, 0.3), 0 10px 28px -14px rgba(0, 0, 0, 0.7);
    color-scheme: dark;
  }
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font: 17px/1.6 var(--body);
  /* The footer stays at the bottom of short pages. */
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
body > main { flex: 1; }

img { max-width: 100%; height: auto; }

a { color: var(--brick); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible { outline: 3px solid var(--denim); outline-offset: 2px; border-radius: 4px; }

.wrap {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding-inline: 20px;
}

/* Halftone: a dot screen that fades out, like the feature graphic. */
.dots {
  position: relative;
  isolation: isolate;
}
.dots::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: radial-gradient(circle, var(--dot) 34%, transparent 36%);
  background-size: 22px 22px;
  -webkit-mask-image: linear-gradient(100deg, #000 10%, transparent 75%);
  mask-image: linear-gradient(100deg, #000 10%, transparent 75%);
  pointer-events: none;
}

/* ---------- Header ---------- */

.site-header {
  background: var(--bar);
  border-bottom: 1px solid var(--rule);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 64px;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--display);
  font-size: 1.45rem;
  letter-spacing: 0.01em;
}
.brand img { width: 36px; height: 36px; border-radius: 9px; }
.site-nav {
  display: flex;
  gap: 4px;
  margin-left: auto;
  flex-wrap: wrap;
}
.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 6px 12px;
  border-radius: 999px;
}
.site-nav a:hover { color: var(--ink); background: var(--sunk); }
.site-nav a[aria-current='page'] { color: #922f25; background: var(--brick-wash); }
/* Phones: the links get a row of their own instead of wrapping in two. */
@media (max-width: 560px) {
  .site-header .wrap { row-gap: 0; min-height: 56px; padding-top: 8px; }
  .site-nav {
    margin-left: 0;
    width: 100%;
    flex-wrap: nowrap;
    justify-content: space-between;
    overflow-x: auto;
    padding-bottom: 8px;
  }
  .site-nav a { padding: 6px 8px; font-size: 0.9rem; white-space: nowrap; }
  /* The logo already links home. */
  .site-nav a[href='index.html'] { display: none; }
}
@media (prefers-color-scheme: dark) {
  .site-nav a[aria-current='page'] { color: #ffd9d3; }
}

/* ---------- Type ---------- */

h1, h2, h3 { line-height: 1.15; text-wrap: balance; margin: 0 0 0.5em; }
h1, h2 { font-family: var(--display); font-weight: 400; letter-spacing: 0.005em; }
h1 { font-size: clamp(2.4rem, 6vw, 4rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: 1.1rem; font-weight: 700; }
p { margin: 0 0 1em; }
.lede { font-size: 1.2rem; color: var(--ink-soft); max-width: 36em; }
.kicker {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mustard-deep);
  margin-bottom: 0.6em;
}
code, kbd {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--sunk);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 0.05em 0.35em;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border-radius: 999px;
  font: 700 1rem/1.2 var(--body);
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--brick); color: var(--on-brick); box-shadow: var(--shadow); }
.btn-primary:hover { filter: brightness(1.06); }
.btn-ghost { color: var(--ink); border-color: var(--outline); background: transparent; }
.btn-ghost:hover { background: var(--sunk); }
.btn[aria-disabled='true'], .btn:disabled { opacity: 0.55; cursor: not-allowed; filter: none; }
.btn svg { width: 22px; height: 22px; flex: none; }
.btn small { display: block; font-weight: 500; font-size: 0.72rem; opacity: 0.85; letter-spacing: 0.04em; text-transform: uppercase; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

/* ---------- Hero ---------- */

.hero { padding-block: 72px 64px; }
.hero .wrap {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 48px;
  align-items: center;
}
.hero-icon {
  width: 220px;
  height: 220px;
  border-radius: 48px;
  box-shadow: var(--shadow);
  transform: rotate(-4deg);
}
.hero h1 { margin-bottom: 0.15em; }
.hero .tagline {
  color: var(--brick);
  font-size: clamp(1.2rem, 2.6vw, 1.6rem);
  font-weight: 600;
  margin-bottom: 0.8em;
}
.hero .note { font-size: 0.9rem; color: var(--ink-soft); margin-top: 14px; }
@media (max-width: 720px) {
  .hero { padding-block: 40px; }
  .hero .wrap { grid-template-columns: 1fr; gap: 24px; }
  .hero-icon { width: 128px; height: 128px; border-radius: 30px; }
}

/* ---------- Sections ---------- */

section { padding-block: 56px; }
section + section { border-top: 1px solid var(--rule); }

/* Screenshots: three across, a swipeable row on phones. */
.shots-section { padding-block: 40px 24px; }
.shots {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 960px;
  margin-inline: auto;
}
.shots figure { margin: 0; }
.shots img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 18px;
  border: 1px solid var(--rule);
  box-shadow: 0 6px 24px rgb(0 0 0 / 0.12);
}
.shots figcaption { margin-top: 10px; font-size: 0.9rem; color: var(--ink-soft); text-align: center; }
.credits { max-width: 960px; margin: 20px auto 0; font-size: 0.78rem; color: var(--ink-soft); text-align: center; }
@media (max-width: 720px) {
  .shots {
    grid-template-columns: repeat(3, 72%);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 8px;
  }
  .shots figure { scroll-snap-align: center; }
}
.section-head { max-width: 40em; margin-bottom: 32px; }

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .features { grid-template-columns: 1fr; } }
.feature {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 22px 22px 18px;
}
.feature h3 { display: flex; align-items: center; gap: 10px; }
.feature p { color: var(--ink-soft); margin: 0; font-size: 0.97rem; }
.badge {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  flex: none;
  background: var(--mustard-wash);
  color: var(--mustard-deep);
}
.badge svg { width: 20px; height: 20px; }
.feature:nth-child(3n + 2) .badge { background: var(--brick-wash); color: var(--brick); }
.feature:nth-child(3n) .badge { background: var(--denim-wash); color: var(--denim); }

.panel {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 28px;
}
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: start;
}
@media (max-width: 760px) { .split { grid-template-columns: 1fr; } }

.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.steps li { counter-increment: step; display: grid; grid-template-columns: 40px 1fr; gap: 12px; align-items: start; }
.steps li::before {
  content: counter(step);
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--brick);
  color: var(--on-brick);
  font-family: var(--display);
  font-size: 1rem;
}

.callout {
  border-left: 4px solid var(--mustard);
  background: var(--mustard-wash);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 14px 18px;
  margin: 0 0 1.2em;
}
.callout p:last-child { margin: 0; }
/* Brick on the mustard wash is too faint (both themes). */
.callout a { color: var(--ink); }

/* Home: the servers Benday reads from, as a row of chips. */
.servers-list { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0 0 1em; }
.servers-list li {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 4px 14px;
  font-weight: 600;
  font-size: 0.95rem;
}
.servers-list li.full { background: var(--brick-wash); border-color: transparent; }

/* ---------- Docs layout ---------- */

.page-head { padding-block: 48px 32px; border-bottom: 1px solid var(--rule); }
.page-head p { margin: 0; }

.docs {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 48px;
  padding-block: 40px 72px;
}
.toc { position: sticky; top: 88px; align-self: start; font-size: 0.93rem; }
.toc p { font-weight: 700; font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 8px; }
.toc ol { list-style: none; padding: 0; margin: 0; display: grid; gap: 2px; }
.toc a { display: block; color: var(--ink-soft); text-decoration: none; padding: 5px 10px; border-radius: 8px; border-left: 3px solid transparent; }
.toc a:hover { color: var(--ink); background: var(--sunk); }
.prose { max-width: 44em; }
.prose h2 { margin-top: 1.6em; scroll-margin-top: 104px; padding-top: 0.4em; border-top: 1px solid var(--rule); }
.prose h2:first-child { margin-top: 0; border-top: 0; padding-top: 0; }
.prose h3 { margin-top: 1.4em; }
.prose ul, .prose ol { padding-left: 1.3em; margin: 0 0 1em; }
.prose li { margin-bottom: 0.35em; }
.prose table { width: 100%; border-collapse: collapse; font-size: 0.95rem; margin-bottom: 1.2em; }
.prose th, .prose td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--rule); vertical-align: top; }
.prose th { font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft); }
.table-scroll { overflow-x: auto; }
/* Long addresses wrap rather than widen a table. */
.prose td code { overflow-wrap: anywhere; }
.prose .matrix th[scope='row'] {
  font-size: 0.95rem;
  letter-spacing: 0;
  text-transform: none;
  color: var(--ink);
  font-weight: 700;
}
.prose .matrix td { color: var(--ink-soft); }
.prose .matrix .yes { color: var(--ink); }
.table-note { font-size: 0.9rem; color: var(--ink-soft); }
/* Phones: each row of a comparison table becomes a card, with the column
   names (data-label) in front of the values. */
@media (max-width: 640px) {
  .prose .matrix, .prose .matrix tbody, .prose .matrix tr,
  .prose .matrix th, .prose .matrix td { display: block; width: 100%; }
  .prose .matrix thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }
  .prose .matrix tr {
    background: var(--card);
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    padding: 10px 14px;
    margin-bottom: 12px;
  }
  .prose .matrix th[scope='row'] { padding: 2px 0 6px; border: 0; font-size: 1rem; }
  .prose .matrix td {
    display: grid;
    grid-template-columns: 7.5em minmax(0, 1fr);
    gap: 10px;
    padding: 6px 0;
    border-bottom: 0;
    border-top: 1px solid var(--rule);
  }
  .prose .matrix td::before {
    content: attr(data-label);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ink-soft);
    padding-top: 0.15em;
  }
}
@media (max-width: 820px) {
  /* minmax(0, …): a wide table scrolls in its box instead of widening the page. */
  .docs { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .toc { position: static; }
  .toc ol { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
}

/* ---------- FAQ ---------- */

.faq { display: grid; gap: 12px; max-width: 48em; padding-block: 40px 72px; }
.faq details {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 0 20px;
}
.faq summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  padding: 16px 32px 16px 0;
  position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 50%;
  translate: 0 -50%;
  font-family: var(--display);
  color: var(--brick);
  font-size: 1.3rem;
}
.faq details[open] summary::after { content: '–'; }
.faq details > div { padding-bottom: 16px; color: var(--ink-soft); }
.faq details > div p:last-child { margin: 0; }
.faq-group { font-family: var(--display); font-size: 1.2rem; margin: 20px 0 4px; }

/* ---------- Feedback form ---------- */

.form { display: grid; gap: 18px; }
.field { display: grid; gap: 6px; }
.field label, .field legend { font-weight: 700; font-size: 0.95rem; }
.field .hint { font-size: 0.85rem; color: var(--ink-soft); }
.row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 560px) { .row { grid-template-columns: 1fr; } }
input[type='text'], textarea, select {
  width: 100%;
  font: inherit;
  font-size: 1rem;
  color: var(--ink);
  background: var(--ground);
  border: 1.5px solid var(--outline);
  border-radius: 10px;
  padding: 10px 12px;
}
textarea { min-height: 160px; resize: vertical; }
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--denim); box-shadow: 0 0 0 3px var(--denim-wash); }
fieldset { border: 0; padding: 0; margin: 0; }
.kinds { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
@media (max-width: 480px) { .kinds { grid-template-columns: 1fr; } }
.kind input { position: absolute; opacity: 0; pointer-events: none; }
.kind span {
  display: block;
  border: 1.5px solid var(--rule);
  background: var(--ground);
  border-radius: 10px;
  padding: 12px 14px;
  cursor: pointer;
  font-weight: 700;
}
.kind span small { display: block; font-weight: 400; color: var(--ink-soft); font-size: 0.85rem; }
.kind input:checked + span { border-color: var(--brick); background: var(--brick-wash); }
.kind input:checked + span small { color: var(--ink); }
.kind input:focus-visible + span { outline: 3px solid var(--denim); outline-offset: 2px; }
.form-status { font-size: 0.9rem; color: var(--ink-soft); min-height: 1.4em; margin: 0; }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--bar);
  border-top: 1px solid var(--rule);
  padding-block: 32px;
  font-size: 0.9rem;
  color: var(--ink-soft);
}
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 28px; align-items: center; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.site-footer a { color: var(--ink-soft); }
/* Big enough to tap. */
.site-footer nav a { display: inline-block; padding-block: 10px; }
.site-footer .legal { flex-basis: 100%; margin: 0; font-size: 0.82rem; }

.placeholder { background: var(--mustard-wash); padding: 0 0.25em; border-radius: 4px; }