/* berth.computer: the landing page and the docs. Colors come from the
   logo (navy #1E2A38, rope #F2E7CA, brass #D9A149). No web fonts: Apple's New York and
   SF where they exist, Georgia and the system sans elsewhere. */

:root {
  color-scheme: light;
  --page: #fbf9f4;
  --surface: #ffffff;
  --surface-2: #f3efe4;
  --ink: #1b2430;
  --ink-2: #4a5563;
  --muted: #747d8a;
  --line: rgba(30, 42, 56, 0.12);
  --line-strong: rgba(30, 42, 56, 0.22);
  --link: #1c5d9f;
  --accent: #8a5e22;
  --navy: #1e2a38;
  --rope: #f2e7ca;
  --code-ink: #2c3a4a;
  --shadow: 0 1px 2px rgba(30, 42, 56, 0.05), 0 8px 24px rgba(30, 42, 56, 0.06);
  --serif: ui-serif, "New York", "Iowan Old Style", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --radius: 12px;
  --gutter: 16px;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --page: #0f151c;
    --surface: #161e28;
    --surface-2: #1c2632;
    --ink: #ece6d6;
    --ink-2: #b9bec6;
    --muted: #8a929e;
    --line: rgba(242, 231, 202, 0.12);
    --line-strong: rgba(242, 231, 202, 0.24);
    --link: #8ec1f2;
    --accent: #d9a149;
    --code-ink: #e3dccb;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.25);
  }
}

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

html { -webkit-text-size-adjust: 100%; scroll-padding-top: 80px; }

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: 17px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--link); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
img { max-width: 100%; }

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

code, pre, kbd { font-family: var(--mono); font-size: 0.88em; }

/* ---- top bar ---- */

.top {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 24px;
  height: 60px;
  padding: 0 max(var(--gutter), calc((100vw - 1240px) / 2));
  background: color-mix(in srgb, var(--page) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font: 600 20px/1 var(--serif);
  letter-spacing: -0.01em;
}
.brand img { border-radius: 7px; }
.top-links { display: flex; gap: 20px; margin-left: auto; }
.top-links a { color: var(--ink-2); text-decoration: none; font-size: 15px; font-weight: 500; }
.top-links a:hover, .top-links a[aria-current] { color: var(--ink); }
.menu { display: none; }

/* ---- buttons and code ---- */

.button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  border: 1px solid transparent;
}
.button.primary { background: var(--navy); color: var(--rope); }
.button.primary:hover { background: #2a3a4d; }
.button.secondary { border-color: var(--line-strong); color: var(--ink); background: var(--surface); }
.button.secondary:hover { border-color: var(--ink-2); }
@media (prefers-color-scheme: dark) {
  .button.primary { background: var(--rope); color: var(--navy); }
  .button.primary:hover { background: #fff6dd; }
}

.codeblock { position: relative; }
.copy {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--ink-2);
  font: 500 12px/1.4 var(--sans);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s;
}
.codeblock:hover .copy, .copy:focus-visible, .copy.done { opacity: 1; }
@media (hover: none) { .copy { opacity: 1; } }

/* ---- landing page ---- */

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 var(--gutter); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  gap: 48px;
  align-items: center;
  padding: 32px 0 72px;
}
.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.hero h1 {
  margin: 0;
  font: 600 clamp(40px, 6vw, 64px)/1.04 var(--serif);
  letter-spacing: -0.025em;
  text-wrap: balance;
}
.hero .lede { margin: 22px 0 30px; font-size: 20px; color: var(--ink-2); max-width: 34em; text-wrap: pretty; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }

.terminal {
  background: var(--navy);
  color: #e9e1cc;
  border-radius: 14px;
  box-shadow: 0 2px 4px rgba(15, 21, 28, 0.12), 0 24px 60px rgba(15, 21, 28, 0.22);
  overflow: hidden;
  border: 1px solid rgba(242, 231, 202, 0.08);
}
.terminal .bar { display: flex; gap: 7px; padding: 13px 16px; border-bottom: 1px solid rgba(242, 231, 202, 0.08); }
.terminal .bar i { width: 11px; height: 11px; border-radius: 50%; background: rgba(242, 231, 202, 0.2); }
.terminal pre {
  margin: 0;
  padding: 18px 20px 22px;
  font-size: 12.5px;
  line-height: 1.75;
  overflow-x: auto;
  white-space: pre;
}
.terminal .p { color: #8fb5d9; }
.terminal .d { color: #a3abb5; }
.terminal .ok { color: #9fd49a; }
.terminal .u { color: #f2e7ca; text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(242, 231, 202, 0.4); }

section.band { padding: 72px 0; border-top: 1px solid var(--line); }
.band h2 {
  margin: 0 0 12px;
  font: 600 clamp(28px, 4vw, 38px)/1.15 var(--serif);
  letter-spacing: -0.015em;
  text-wrap: balance;
}
.band .intro { margin: 0 0 40px; color: var(--ink-2); font-size: 19px; max-width: 40em; }

.install {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 48px;
  align-items: start;
}
.install pre { font-size: 13.5px; }
.install pre, .prose pre {
  margin: 0;
  padding: 18px 20px;
  background: var(--surface-2);
  color: var(--code-ink);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow-x: auto;
  line-height: 1.6;
}
.install pre .c, .prose pre .c { color: var(--muted); }
.install ol { margin: 0; padding: 0; list-style: none; counter-reset: step; }
.install li { counter-increment: step; position: relative; padding: 0 0 22px 44px; color: var(--ink-2); }
.install li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 1px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--line);
  color: var(--ink);
  font: 600 14px/26px var(--sans);
  text-align: center;
}
.install li strong { display: block; color: var(--ink); }

.features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.feature {
  display: block;
  padding: 22px 22px 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink-2);
  text-decoration: none;
  transition: border-color 0.15s, transform 0.15s;
}
.feature:hover { border-color: var(--line-strong); transform: translateY(-1px); }
.feature h3 { margin: 0 0 6px; color: var(--ink); font: 600 18px/1.3 var(--sans); }
.feature p { margin: 0; font-size: 15.5px; line-height: 1.55; }
.feature .more { display: inline-block; margin-top: 12px; color: var(--link); font-size: 14px; font-weight: 500; }

.flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin: 8px 0 28px;
  counter-reset: flow;
}
.flow > div {
  position: relative;
  padding: 20px 28px 20px 0;
}
.flow > div:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 34px;
  right: 10px;
  left: 64px;
  height: 0;
  border-top: 2px dashed var(--line-strong);
}
.flow .node {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 54px;
  height: 30px;
  border-radius: 8px;
  background: var(--surface-2);
  border: 1px solid var(--line-strong);
  color: var(--ink);
  font: 600 12px/1 var(--mono);
}
.flow .node.mac { background: var(--navy); color: var(--rope); border-color: var(--navy); }
.flow h3 { margin: 16px 0 6px; font: 600 17px/1.3 var(--sans); }
.flow p { margin: 0; color: var(--ink-2); font-size: 15.5px; line-height: 1.55; }

.isnt {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
}
.isnt p { margin: 0 0 16px; color: var(--ink-2); font-size: 18px; }

.here {
  margin: 0 0 72px;
  padding: 40px;
  border-radius: 18px;
  background: var(--navy);
  color: #ddd5c0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 32px;
  align-items: center;
}
.here img { width: 96px; height: 96px; border-radius: 22px; box-shadow: 0 0 0 1px rgba(242, 231, 202, 0.15); }
.here h2 { margin: 0 0 8px; color: var(--rope); font: 600 28px/1.2 var(--serif); }
.here p { margin: 0; font-size: 17px; }
.here a { color: var(--rope); }

/* ---- docs ---- */

.docs-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr) 220px;
  gap: 48px;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.sidebar, .toc {
  position: sticky;
  top: 60px;
  align-self: start;
  max-height: calc(100vh - 60px);
  overflow-y: auto;
  padding: 28px 0 40px;
  font-size: 14.5px;
}
.sidebar h2, .toc h2 {
  margin: 22px 0 6px;
  color: var(--muted);
  font: 600 12px/1.4 var(--sans);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}
.sidebar ul, .toc ul { list-style: none; margin: 0; padding: 0; }
.sidebar a, .toc a {
  display: block;
  padding: 4px 10px;
  margin-left: -10px;
  border-radius: 6px;
  color: var(--ink-2);
  text-decoration: none;
  line-height: 1.45;
}
.sidebar a:hover, .toc a:hover { color: var(--ink); background: var(--surface-2); }
.sidebar a[aria-current="page"] { color: var(--ink); background: var(--surface-2); font-weight: 600; box-shadow: inset 2px 0 0 var(--accent); }
.toc h2 { margin-top: 0; }
.toc a { font-size: 13.5px; }

.doc { padding: 40px 0 64px; min-width: 0; }

.prose { max-width: 46em; }
.prose h1 {
  margin: 0 0 24px;
  font: 600 clamp(32px, 5vw, 44px)/1.1 var(--serif);
  letter-spacing: -0.02em;
}
.prose h2 {
  margin: 48px 0 12px;
  font: 600 26px/1.25 var(--serif);
  letter-spacing: -0.01em;
}
.prose h3 { margin: 32px 0 8px; font: 600 18px/1.35 var(--sans); }
.prose p, .prose ul, .prose ol { margin: 0 0 18px; }
.prose li { margin: 4px 0; }
.prose li > ul, .prose li > ol { margin: 4px 0 0; }
.prose :not(pre) > code {
  padding: 0.12em 0.36em;
  border-radius: 5px;
  background: var(--surface-2);
  color: var(--code-ink);
  border: 1px solid var(--line);
  overflow-wrap: anywhere;
}
.prose pre { margin: 0 0 22px; font-size: 14px; }
.prose pre code { font-size: inherit; }
.prose .codeblock { margin: 0 0 22px; }
.prose .codeblock pre { margin: 0; }
.prose blockquote {
  margin: 0 0 18px;
  padding: 4px 18px;
  border-left: 3px solid var(--accent);
  color: var(--ink-2);
}
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 36px 0; }
.prose table {
  display: block;
  overflow-x: auto;
  margin: 0 0 22px;
  border-collapse: collapse;
  font-size: 15px;
  line-height: 1.5;
}
.prose th, .prose td { padding: 9px 14px 9px 0; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.prose th { color: var(--muted); font-weight: 600; font-size: 13px; letter-spacing: 0.03em; text-transform: uppercase; border-bottom-color: var(--line-strong); }
.prose td code { overflow-wrap: normal; word-break: normal; }
.prose td:first-child { min-width: 9em; }
.prose img { height: auto; }

.doc-index { max-width: 46em; margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--line); }
.doc-index h2 { margin: 0 0 8px; font: 600 26px/1.25 var(--serif); }
.doc-index h3 { margin: 26px 0 10px; color: var(--muted); font: 600 12px/1.4 var(--sans); letter-spacing: 0.07em; text-transform: uppercase; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
.card {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
  font-weight: 500;
  font-size: 15.5px;
}
.card:hover { border-color: var(--line-strong); }

.pager {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  max-width: 46em;
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.pager a {
  display: flex;
  flex-direction: column;
  max-width: 48%;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
}
.pager a:hover { border-color: var(--line-strong); }
.pager a span { color: var(--muted); font-size: 13px; font-weight: 500; }
.pager .next { margin-left: auto; text-align: right; }
.edit { max-width: 46em; margin: 20px 0 0; font-size: 14px; color: var(--muted); }
.edit a { color: var(--muted); }

.site-foot {
  border-top: 1px solid var(--line);
  padding: 28px var(--gutter) 40px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}
.site-foot p { margin: 0 auto; max-width: 46em; }
.site-foot a { color: var(--ink-2); }

/* ---- narrower screens ---- */

@media (max-width: 1100px) {
  .docs-layout { grid-template-columns: 230px minmax(0, 1fr); gap: 40px; }
  .toc { display: none; }
}

@media (max-width: 860px) {
  .hero { grid-template-columns: minmax(0, 1fr); gap: 40px; padding: 28px 0 48px; }
  .install, .isnt { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .features { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .flow { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); row-gap: 8px; }
  .flow > div:nth-child(2)::after { display: none; }
  section.band { padding: 56px 0; }

  .docs-layout { display: block; }
  .menu {
    display: inline-flex;
    margin-left: 4px;
    padding: 6px 12px;
    border-radius: 8px;
    border: 1px solid var(--line-strong);
    background: var(--surface);
    color: var(--ink);
    font: 500 14px/1.3 var(--sans);
    cursor: pointer;
  }
  .sidebar {
    display: none;
    position: fixed;
    inset: 60px 0 0 0;
    max-height: none;
    z-index: 9;
    padding: 8px var(--gutter) 40px calc(var(--gutter) + 10px);
    background: var(--page);
  }
  .sidebar.open { display: block; }
  .doc { padding-top: 28px; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .top { gap: 14px; }
  .top-links { gap: 14px; }
  .features, .flow { grid-template-columns: minmax(0, 1fr); }
  .flow > div::after { display: none; }
  .hero .lede { font-size: 18px; }
  .here { grid-template-columns: minmax(0, 1fr); padding: 28px 24px; gap: 20px; }
  .here img { width: 64px; height: 64px; border-radius: 15px; }
  .pager { flex-direction: column; }
  .pager a { max-width: none; }
  .terminal pre { font-size: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

@media (prefers-color-scheme: dark) {
  .flow .node.mac { background: var(--rope); color: var(--navy); border-color: var(--rope); }
  .here { background: var(--surface-2); }
}

/* The Mac mini (Apple_Mac_Mini_M4.svg by LoMit on Wikimedia Commons, CC0),
   with the deploy terminal below it. */
.hero-art { position: relative; }
.hero-art .mini { position: relative; width: 84%; margin: 0 auto; }
.hero-art .mini > img { display: block; width: 100%; height: auto; }

/* The Berth logo stuck on the front of the Mac, slightly crooked, with its
   top right corner lifting: the face is clipped along the fold, and the
   flap is the white back of the sticker, folded over the same corner. */
/* The power light, over #Status_indicator_light in the SVG. site.js blinks
   it in Morse. */
.led {
  position: absolute;
  left: 68.73%;
  top: 65.86%;
  width: 1.25%;
  aspect-ratio: 1;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: #fff;
  box-shadow: 0 0 2px 1px rgba(255, 255, 255, 0.9), 0 0 6px 2px rgba(150, 205, 255, 0.75);
  opacity: 0;
}
.led.on { opacity: 1; }

.sticker {
  position: absolute;
  left: 50%;
  top: 37%;
  width: 13%;
  aspect-ratio: 1;
  transform: translateX(-50%) rotate(-4deg);
  filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.18)) drop-shadow(0 2px 4px rgba(0, 0, 0, 0.08));
}
.sticker > span {
  position: absolute;
  inset: 0;
  padding: 5%;
  background: #fff;
  border-radius: 24%;
  clip-path: polygon(0 0, 78% 0, 100% 22%, 100% 100%, 0 100%);
}
.sticker img { display: block; width: 100%; height: 100%; }
.sticker::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 22%;
  height: 22%;
  background: linear-gradient(to bottom left, transparent 50%, #c9c9c9 50%, #f4f4f4 72%, #e2e2e2 100%);
  border-bottom-left-radius: 30%;
  filter: drop-shadow(-1px 1px 1px rgba(0, 0, 0, 0.2));
}
.hero-art .terminal { margin-top: 28px; }

/* "You're looking at a Berth app", at the top of the landing page. */
.here.top-here { margin: 36px 0 0; padding: 20px 26px; gap: 20px; border-radius: 14px; }
.here.top-here img { width: 52px; height: 52px; border-radius: 12px; }
.here.top-here h2 { margin: 0 0 4px; font-size: 21px; }
.here.top-here p { font-size: 15.5px; }

@media (max-width: 860px) {
  .hero-art .mini { width: 78%; margin: 0 auto; }
  .hero-art .terminal { margin-top: 20px; }
}
@media (max-width: 560px) {
  .here.top-here { grid-template-columns: auto minmax(0, 1fr); padding: 16px 18px; gap: 14px; }
  .here.top-here img { width: 40px; height: 40px; border-radius: 10px; }
  .here.top-here h2 { font-size: 18px; }
  .here.top-here p { font-size: 14.5px; }
}