/* SplitSession site. Black and white, pixel headings, monospace body.
   Fonts are self-hosted (SIL OFL 1.1, see fonts/LICENSE-*.txt). */

@font-face {
  font-family: "Silkscreen";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/silkscreen-latin-400-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Silkscreen";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("fonts/silkscreen-latin-700-normal.woff2") format("woff2");
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 100 800;
  font-display: swap;
  src: url("fonts/jetbrains-mono-latin-wght-normal.woff2") format("woff2");
}


:root {
  /* dark is the default look; a light visitor gets the inverted palette */
  --bg: #000;
  --fg: #fff;
  --mid: #a6a6a6;   /* secondary text: 8.7:1 on black */
  --line: #3a3a3a;  /* hairlines and frames */
  --panel: #0c0c0c;
  --pixel: "Silkscreen", "JetBrains Mono", ui-monospace, monospace;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --gutter: 20px;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #fff;
    --fg: #000;
    --mid: #595959; /* 7:1 on white */
    --line: #c4c4c4;
    --panel: #f5f5f5;
    color-scheme: light;
  }
}
@media (min-width: 720px) {
  :root { --gutter: 32px; }
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 16px;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 16px;
  line-height: 1.45;
  letter-spacing: -0.01em;
  font-variant-ligatures: none;
  overflow-wrap: break-word;
}
@media (min-width: 720px) {
  body { font-size: 17px; }
}

.wrap {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ---------- text ---------- */

p, ul, ol, pre, dl { margin: 0 0 1.1em; max-width: 72ch; }
ul, ol { padding-left: 0; list-style: none; }
strong, b { font-weight: 700; }
em { font-style: normal; text-decoration: underline; text-decoration-style: dotted; text-underline-offset: 3px; }

a {
  color: var(--fg);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}
a:hover {
  background: var(--fg);
  color: var(--bg);
  text-decoration-color: transparent;
}
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--fg);
  outline-offset: 3px;
}

code {
  font-family: var(--mono);
  font-size: 0.94em;
  border: 1px solid var(--mid);
  padding: 0 0.3em;
  overflow-wrap: anywhere;
}

.mid { color: var(--mid); }

.skip {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 10;
  background: var(--fg);
  color: var(--bg);
  padding: 8px 12px;
}
.skip:focus { top: 12px; }

/* ---------- headings and labels ---------- */

h1, h2, h3 {
  font-family: var(--pixel);
  font-weight: 400;
  text-transform: uppercase;
  line-height: 1.2;
  letter-spacing: 0.04em;
  margin: 0;
}
h2 {
  font-size: 24px;
  margin: 0 0 20px;
  max-width: none;
}
@media (min-width: 720px) {
  h2 { font-size: 28px; }
}
h2::before { content: "\2014\00a0"; }
h3 { font-size: 16px; margin: 1.6em 0 0.6em; }

.eyebrow {
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mid);
  margin: 0 0 20px;
}

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

.top { border-bottom: 1px solid var(--line); }
.top .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 4px 24px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--pixel);
  font-weight: 700;
  font-size: 16px;
  text-transform: uppercase;
  text-decoration: none;
  line-height: 1;
  padding: 6px 0;
}
.brand:hover { background: none; color: var(--fg); }
.nav {
  display: flex;
  align-items: center;
  gap: 4px 24px;
  font-size: 14px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.nav a {
  color: var(--mid);
  text-decoration: none;
  padding: 8px 0;
}
.nav a:hover,
.nav a:focus-visible { background: none; color: var(--fg); text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 6px; }
.nav::after {
  content: "";
  order: 99;
  width: 32px;
  height: 2px;
  background: var(--fg);
  margin-left: 4px;
}
@media (max-width: 599px) {
  .top .wrap { gap: 0 20px; }
  .nav { width: 100%; gap: 0 20px; }
  .nav::after { display: none; }
}
.logo {
  display: block;
  width: 28px;
  height: 28px;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  flex: none;
}
.logo-md { width: 48px; height: 48px; }

/* ---------- bands (full-width rule between sections) ---------- */

.band { border-top: 1px solid var(--line); padding: 56px 0 64px; }
.band:first-of-type { border-top: 0; }
.hero { padding: 40px 0 56px; }
@media (min-width: 960px) {
  .band { padding: 72px 0 80px; }
  .hero { padding: 72px 0 80px; }
}

.cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
}
@media (min-width: 960px) {
  .cols { gap: 0 56px; align-items: start; }
  .cols-hero { grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr); }
  .cols-split { grid-template-columns: minmax(0, 1fr) 1px minmax(0, 1fr); gap: 0 56px; }
  .cols-media { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
  .cols-three { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 56px; }
}
.vrule { display: none; }
@media (min-width: 960px) {
  .vrule { display: block; align-self: stretch; background: var(--line); width: 1px; }
}

/* ---------- hero ---------- */

.hero-copy { container-type: inline-size; }
.hero h1 {
  font-size: clamp(28px, 8.6vw, 44px);
  font-size: min(10.4cqi, 76px);
  line-height: 1;
  margin: 0 0 18px;
  white-space: nowrap;
  font-weight: 700;
}
.hero .tagline {
  font-family: var(--pixel);
  font-weight: 400;
  letter-spacing: 0.04em;
  font-size: 20px;
  text-transform: uppercase;
  line-height: 1.3;
  margin: 0 0 24px;
  max-width: none;
}
@media (min-width: 720px) {
  .hero .tagline { font-size: 22px; }
}
.hero .lead { max-width: 46ch; margin-bottom: 28px; }
.hero .fine { font-size: 14px; color: var(--mid); margin: 20px 0 0; }

/* ---------- buttons ---------- */

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin: 0;
  max-width: none;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font: inherit;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.3;
  padding: 11px 20px;
  background: var(--fg);
  color: var(--bg);
  border: 1px solid var(--fg);
  text-decoration: none;
  cursor: pointer;
}
.btn:hover {
  background: var(--bg);
  color: var(--fg);
  text-decoration: none;
}
.btn svg { width: 18px; height: 18px; flex: none; fill: currentColor; }
.btn.alt { background: transparent; color: var(--fg); border-color: var(--fg); }
.btn.alt:hover { background: var(--fg); color: var(--bg); }
.btn svg.line { fill: none; stroke: currentColor; stroke-width: 1.6; }

/* ---------- figures ---------- */

figure { margin: 0; }
.frame {
  border: 1px solid var(--mid);
  padding: 6px;
  background: var(--bg);
}
.frame .shot {
  position: relative;
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--bg);
}
.frame img {
  display: block;
  width: 100%;
  height: auto;
  filter: grayscale(1) contrast(1.1) brightness(0.9);
}
@media (prefers-color-scheme: light) {
  .frame img { filter: grayscale(1) contrast(1.05); }
}
/* the still carries a baked-in headline below the browser window: crop it, the caption says it in text */
.shot-crop { aspect-ratio: 880 / 512; }
.shot-crop img { height: 100%; object-fit: cover; object-position: top; }
figcaption {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--mid);
  max-width: 60ch;
}

/* ---------- lists ---------- */

.dash { margin: 0; max-width: none; }
.dash li {
  position: relative;
  padding-left: 3ch;
  margin-bottom: 1em;
}
.dash li:last-child { margin-bottom: 0; }
.dash li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 1.6ch;
  height: 2px;
  background: var(--fg);
}
.dash li strong { display: block; }
.dash li span { color: var(--mid); display: block; }
.dash li span code { color: var(--fg); }

.steps { counter-reset: step; margin: 0 0 1.4em; }
.steps li {
  counter-increment: step;
  position: relative;
  padding-left: 3.6ch;
  margin-bottom: 0.9em;
}
.steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.95em;
  line-height: 1.45;
}

/* ---------- panel ---------- */

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 28px 24px 24px;
}
@media (min-width: 960px) {
  .panel { padding: 32px; }
}
.panel .logo { margin-bottom: 20px; }
.panel h3 { font-size: 20px; margin: 0 0 14px; }
.panel p { max-width: none; }
.panel .rule { width: 40px; height: 2px; background: var(--fg); border: 0; margin: 24px 0 14px; }
.panel .caps {
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mid);
  margin: 0;
}
.links { font-size: 15px; }
.links.after { margin-top: 32px; }

/* ---------- table ---------- */

.compare, .prose table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--mid);
  margin: 0 0 1.4em;
  font-size: 16px;
  line-height: 1.5;
}
.compare th, .compare td,
.prose th, .prose td {
  text-align: left;
  vertical-align: top;
  padding: 12px 16px;
  border: 1px solid var(--line);
  font-weight: 400;
}
.compare thead th, .prose thead th {
  font-family: var(--pixel);
  font-weight: 400;
  font-size: 16px;
  text-transform: uppercase;
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}
.compare tbody th { font-weight: 700; width: 46%; }

@media (max-width: 719px) {
  .compare, .compare tbody, .compare tr, .compare th, .compare td,
  .prose table, .prose tbody, .prose tr, .prose td {
    display: block;
    width: 100%;
  }
  .compare thead, .prose thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
  }
  .compare tr, .prose tr { border-bottom: 1px solid var(--mid); }
  .compare tr:last-child, .prose tr:last-child { border-bottom: 0; }
  .compare th, .compare td, .prose td { border: 0; padding: 4px 12px; }
  .compare tbody th { width: 100%; padding-top: 12px; }
  .compare td:last-child, .prose td:last-child { padding-bottom: 12px; }
  .compare td::before, .prose td[data-label]::before {
    content: attr(data-label) ": ";
    font-weight: 700;
  }
}

/* ---------- code block ---------- */

.cmd {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  border: 1px solid var(--mid);
  background: var(--bg);
  margin: 20px 0 12px;
  max-width: none;
}
.cmd pre {
  flex: 1 1 auto;
  margin: 0;
  padding: 12px 14px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 16px;
  min-width: 0;
}
.cmd code { border: 0; padding: 0; font-size: inherit; overflow-wrap: normal; }
.cmd pre::before { content: "$ "; color: var(--mid); }
.cmd button {
  flex: none;
  font: inherit;
  font-size: 15px;
  font-weight: 700;
  background: var(--fg);
  color: var(--bg);
  border: 0;
  border-left: 1px solid var(--mid);
  padding: 0 18px;
  min-height: 44px;
  cursor: pointer;
}
.cmd button:hover { background: var(--bg); color: var(--fg); }
.cmd button:focus-visible { outline-offset: -6px; outline-color: var(--bg); }
@media (max-width: 519px) {
  .cmd pre { font-size: 15px; padding: 12px 10px; white-space: pre-wrap; overflow-wrap: anywhere; }
  .cmd code { overflow-wrap: anywhere; }
  .cmd button { flex: 1 1 100%; border-left: 0; border-top: 1px solid var(--mid); }
}

/* ---------- footer ---------- */

.foot { border-top: 1px solid var(--line); padding: 28px 0 48px; font-size: 15px; }
.foot .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px 32px;
}
.foot ul {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 0;
  margin: 0;
  max-width: none;
}
.foot li + li::before {
  content: "\00b7";
  display: inline-block;
  margin: 0 0.8ch;
  color: var(--mid);
}
.foot .meta {
  margin: 0;
  max-width: none;
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mid);
}
.foot .note { flex-basis: 100%; margin: 0; max-width: none; color: var(--mid); font-size: 14px; }

/* ---------- prose pages (privacy) ---------- */

.prose { padding: 40px 0 0; }
.prose .doc { max-width: 880px; padding-bottom: 72px; }
.prose .back { display: inline-block; margin-bottom: 8px; font-size: 15px; }
.prose h1 { margin: 16px 0 24px; font-size: 30px; }
@media (min-width: 720px) { .prose h1 { font-size: 38px; } }
.prose h2 {
  margin-top: 56px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.prose h2::before { content: none; }
.prose ul { list-style: none; }
.prose ul li { position: relative; padding-left: 3ch; margin-bottom: 0.6em; }
.prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 1.6ch;
  height: 2px;
  background: var(--fg);
}
.prose ol { list-style: decimal; padding-left: 3ch; }
.prose ol li { margin-bottom: 0.6em; }
.prose table { max-width: none; font-size: 15px; }
.prose thead th { font-size: 14px; }

@media print {
  :root { --bg: #fff; --fg: #000; --mid: #444; --line: #bbb; --panel: #fff; }
  .skip, .cmd button, .nav { display: none; }
}