/* Repopus website. One stylesheet, no external requests. */

/* ------------------------------------------------------------------ fonts */

@font-face {
  font-family: "Poppins";
  src: url("assets/fonts/poppins-medium.woff") format("woff");
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: "Poppins";
  src: url("assets/fonts/poppins-bold.woff") format("woff");
  font-weight: 700;
  font-display: swap;
}

/* ------------------------------------------------------------------ tokens */

:root {
  --abyss: #1c1e26;      /* page */
  --deep: #22252f;       /* bands */
  --hull: #2b2e3a;       /* surfaces (window, cards) */
  --line: #3b3f4e;
  --line-soft: #2f3240;
  --text: #eceef4;
  --muted: #a6aabb;
  --faint: #767a8c;
  --indigo: #8a83ff;
  --indigo-strong: #6f67f5;
  --teal: #4fd1c5;
  --green: #3fca7b;
  --orange: #ffab45;
  --red: #ff7275;

  --display: "Poppins", ui-sans-serif, system-ui, sans-serif;
  --body: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;

  --wrap: 1160px;
  --gutter: clamp(16px, 4vw, 40px);
  --section: clamp(72px, 10vw, 128px);

  color-scheme: dark;
}

/* ------------------------------------------------------------------ base */

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--abyss);
  color: var(--text);
  font: 17px/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 700;
  margin: 0;
  text-wrap: balance;
}
h2 { font-size: clamp(28px, 3.6vw, 40px); line-height: 1.15; letter-spacing: -0.02em; margin-bottom: 40px; }
h3 { font-size: 19px; line-height: 1.3; font-weight: 500; letter-spacing: -0.005em; }
p { margin: 0; }

a { color: var(--indigo); text-underline-offset: 3px; }
a:hover { color: #b0abff; }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; border-radius: 6px; }

img { display: block; max-width: 100%; }
code { font-family: var(--mono); }

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

.skip {
  position: absolute; left: 16px; top: -60px; z-index: 10;
  background: var(--indigo); color: #fff; padding: 10px 14px; border-radius: 8px;
}
.skip:focus { top: 12px; }

/* The black logo, made light on the dark page. */
.brand img, .win-bar img, .foot-brand img { filter: invert(1); }

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

.actions { display: flex; flex-wrap: wrap; gap: 12px; }

.button {
  display: inline-flex; align-items: center; gap: 10px;
  min-height: 48px; padding: 0 22px;
  border: 1px solid var(--line); border-radius: 999px;
  color: var(--text); background: transparent;
  font: 500 16px/1 var(--display); text-decoration: none;
  transition: background-color .15s, border-color .15s;
}
.button:hover { color: var(--text); border-color: var(--muted); background: rgba(255,255,255,.04); }
.button.primary { background: var(--indigo-strong); border-color: var(--indigo-strong); color: #fff; }
.button.primary:hover { background: #7d76ff; border-color: #7d76ff; color: #fff; }
.button svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* ------------------------------------------------------------------ header */

.top { position: relative; z-index: 2; }
.top-inner { display: flex; align-items: center; justify-content: space-between; height: 84px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--text); text-decoration: none; font: 700 22px/1 var(--display); letter-spacing: -0.01em; }
.brand:hover { color: var(--text); }
.nav { display: flex; gap: 28px; }
.nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
.nav a:hover { color: var(--text); }

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

.hero {
  position: relative;
  overflow-x: clip;
  margin-top: -84px; /* runs under the header */
  padding: calc(84px + clamp(32px, 6vw, 72px)) 0 var(--section);
}
/* A faint grid that fades out towards the edges. */
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(ellipse 70% 75% at 72% 42%, #000 20%, transparent 72%);
          mask-image: radial-gradient(ellipse 70% 75% at 72% 42%, #000 20%, transparent 72%);
}

.hero-grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  gap: clamp(40px, 6vw, 80px); align-items: center;
}

.hero h1 {
  font-size: clamp(38px, 4.6vw, 58px);
  line-height: 1.06;
  letter-spacing: -0.035em;
  max-width: 15ch;
}
.lede { color: var(--muted); font-size: clamp(17px, 1.6vw, 19px); max-width: 52ch; margin-top: 24px; }
.hero .actions { margin-top: 36px; }
.fine { margin-top: 20px; color: var(--faint); font-size: 15px; }
.fine a { white-space: nowrap; }

/* ------------------------------------------------------------------ the window */

.window-stage { position: relative; margin: 0; }

.window {
  position: relative; z-index: 1;
  background: var(--hull);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 40px 80px -30px rgba(10, 8, 40, .7), 0 0 0 1px rgba(138, 131, 255, .06);
  font-size: 14px;
}

.win-bar {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  background: #30333f;
}
.win-bar strong { font: 700 16px/1 var(--display); }
.lights { display: flex; gap: 7px; margin-right: 6px; }
.lights i { width: 12px; height: 12px; border-radius: 50%; background: #4a4e5e; }
.lights i:first-child { background: #ff6159; }
.lights i:nth-child(2) { background: #ffbd2e; }
.lights i:nth-child(3) { background: #28c941; }
.win-summary { margin-left: auto; min-width: 0; color: var(--muted); font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.win-bar > :not(.win-summary) { flex-shrink: 0; }
.win-button { padding: 6px 12px; border: 1px solid var(--line); border-radius: 8px; font-size: 13px; color: var(--text); white-space: nowrap; }
.win-button.solid { background: var(--indigo-strong); border-color: var(--indigo-strong); color: #fff; }

.win-group {
  display: flex; align-items: center; gap: 8px;
  padding: 14px 16px 8px;
  color: var(--muted); font-weight: 600; font-size: 13px;
}
.win-group svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.win-group.folded { padding-bottom: 16px; border-top: 1px solid var(--line-soft); padding-top: 14px; }
.win-group.folded svg { transform: rotate(-90deg); }
.count { background: var(--line); color: var(--text); border-radius: 999px; padding: 1px 8px; font-size: 12px; }

.rows { list-style: none; margin: 0; padding: 0 8px 8px; }
.row {
  position: relative;
  display: grid; grid-template-columns: 22px minmax(0, 1fr) auto;
  align-items: center; gap: 14px;
  padding: 11px 10px;
  border-radius: 10px;
}
.row + .row { box-shadow: 0 -1px 0 var(--line-soft); }
.name { font-weight: 600; min-width: 0; }
.name small { display: block; font-weight: 400; color: var(--faint); font-size: 12.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.state { font-size: 12.5px; color: var(--muted); text-align: right; white-space: nowrap; min-width: 128px; }

/* Status marks: the same shapes as in the app. */
.mark { position: relative; width: 22px; height: 22px; display: grid; place-items: center; }
.mark::before { content: ""; width: 100%; height: 100%; border-radius: 50%; }
.mark::after { content: ""; position: absolute; }

/* Up to date: green circle with a tick. */
[data-state="up"] .mark::before, [data-kind="up"]::before { background: var(--green); border-radius: 50%; }
[data-state="up"] .mark::after, [data-kind="up"]::after {
  width: 34%; height: 18%;
  border-left: 2.2px solid #fff; border-bottom: 2.2px solid #fff;
  transform: translateY(-15%) rotate(-45deg);
}
/* Update available / gone: rounded square with an exclamation mark. */
[data-state="update"] .mark::before, [data-kind="update"]::before { background: var(--orange); border-radius: 28%; }
[data-state="gone"] .mark::before, [data-kind="gone"]::before { background: var(--red); border-radius: 28%; }
[data-state="update"] .mark::after, [data-state="gone"] .mark::after,
[data-kind="update"]::after, [data-kind="gone"]::after {
  height: 52%; background: #fff; border-radius: 2px;
  top: 24%;
  -webkit-mask: linear-gradient(#000 0 62%, transparent 62% 76%, #000 76%);
          mask: linear-gradient(#000 0 62%, transparent 62% 76%, #000 76%);
  width: 10%;
}
/* Waiting in the queue: a slow dashed spinner. Downloading: an indigo ring. */
[data-state="wait"] .mark::before, [data-state="down"] .mark::before {
  background: none; border: 2px solid var(--line); border-top-color: var(--indigo);
  animation: spin .9s linear infinite;
}
[data-state="wait"] .mark::before { border-style: dashed; border-top-color: var(--muted); animation-duration: 2.4s; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Status text and the download bar on the right. */
[data-state="up"] .state::before { content: "Up to date"; }
[data-state="update"] .state::before { content: "New commits on GitHub"; color: var(--orange); }
[data-state="gone"] .state::before { content: "Gone from GitHub, copy kept"; color: var(--red); }
[data-state="wait"] .state::before { content: "Waiting…"; }
[data-state="down"] .state { display: grid; gap: 5px; justify-items: end; }
[data-state="down"] .state::before { content: attr(data-text); }
[data-state="down"] .state::after {
  content: ""; width: 128px; height: 5px; border-radius: 99px;
  background: linear-gradient(90deg, var(--teal), var(--indigo)) 0 0 / var(--p, 0%) 100% no-repeat, var(--line);
}

/* A ripple from a row's mark when it finishes: the one bit of motion on the page. */
/* Faint sonar rings and a glow behind the window. */
.sonar {
  position: absolute; inset: -140px -80px; pointer-events: none; z-index: 0;
  background:
    radial-gradient(circle at 40% 50%, rgba(111, 103, 245, .22), transparent 45%),
    repeating-radial-gradient(circle at 40% 50%, transparent 0 63px, rgba(79, 209, 197, .10) 63px 64px);
  -webkit-mask-image: radial-gradient(circle at 40% 50%, #000 25%, transparent 62%);
          mask-image: radial-gradient(circle at 40% 50%, #000 25%, transparent 62%);
}
.ripple {
  position: absolute; width: 24px; height: 24px; margin: -12px 0 0 -12px;
  border: 1.5px solid var(--teal); border-radius: 50%;
  animation: ripple 1.6s cubic-bezier(.2,.6,.3,1) forwards;
  z-index: 2;
}
@keyframes ripple {
  from { transform: scale(1); opacity: .9; }
  to { transform: scale(9); opacity: 0; }
}

/* ------------------------------------------------------------------ links */

.links { padding-bottom: var(--section); }
.links .intro { color: var(--muted); max-width: 62ch; margin: -20px 0 40px; }
.link-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.link-card { border-left: 2px solid var(--indigo); padding: 4px 0 4px 24px; }
.link-card > code {
  display: block; font-size: clamp(16px, 1.7vw, 20px); color: var(--text);
  margin-bottom: 14px; overflow-wrap: anywhere;
}
.link-card > code span { color: var(--faint); }
.link-card p { color: var(--muted); max-width: 46ch; }
code.inline { font-size: .9em; color: var(--text); background: var(--hull); padding: 2px 6px; border-radius: 5px; }

/* ------------------------------------------------------------------ how it works */

.how { padding-bottom: var(--section); }
.path {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px;
  counter-reset: step;
}
.path li { position: relative; padding-top: 56px; counter-increment: step; }
/* The numbered node on the data path, and the line to the next step. */
.path li::before {
  content: counter(step);
  position: absolute; top: 0; left: 0;
  width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1.5px solid var(--teal); color: var(--teal);
  font: 500 15px/1 var(--display);
  background: var(--abyss);
}
.path li::after {
  content: ""; position: absolute; top: 17px; left: 46px; right: -20px; height: 1.5px;
  background: linear-gradient(90deg, var(--teal), var(--line) 70%);
}
.path li:last-child::after { display: none; }
.path h3 { margin-bottom: 10px; }
.path p { color: var(--muted); font-size: 16px; }

/* ------------------------------------------------------------------ marks */

.marks { padding-bottom: var(--section); }
.mark-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; }
.mark.big { width: 44px; height: 44px; margin-bottom: 20px; }
.mark.big[data-kind="up"]::after { border-width: 0 0 4px 4px; }
.mark.big[data-kind="update"]::after, .mark.big[data-kind="gone"]::after { width: 9%; }
.mark-list h3 { margin-bottom: 8px; }
.mark-list p { color: var(--muted); max-width: 34ch; }

/* ------------------------------------------------------------------ never */

.never { background: var(--deep); padding: var(--section) 0; border-block: 1px solid var(--line-soft); }
.never-list { margin: 0; display: grid; gap: 0; }
.never-list > div {
  display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 40px;
  padding: 28px 0; border-top: 1px solid var(--line);
  align-items: baseline;
}
.never-list > div:last-child { border-bottom: 1px solid var(--line); }
.never-list dt {
  font: 700 clamp(22px, 2.6vw, 32px)/1.2 var(--display); letter-spacing: -0.02em;
  text-decoration: line-through; text-decoration-color: var(--red); text-decoration-thickness: 3px;
}
.never-list dd { margin: 0; color: var(--muted); }

/* ------------------------------------------------------------------ features */

.features { padding: var(--section) var(--gutter); }
.feature-list { margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 64px; }
.feature-list > div { padding: 22px 0; border-top: 1px solid var(--line-soft); display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 24px; }
.feature-list dt { font: 500 17px/1.4 var(--display); }
.feature-list dd { margin: 0; color: var(--muted); font-size: 16px; }

/* ------------------------------------------------------------------ download */

.download { padding: var(--section) 0; background: var(--deep); border-block: 1px solid var(--line-soft); }
.download h2 { margin-bottom: 0; }
.download .lede { margin: 12px 0 40px; }
.systems { list-style: none; margin: 0 0 32px; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.systems li { background: var(--hull); border: 1px solid var(--line); border-radius: 14px; padding: 24px; }
.systems li.here { border-color: var(--indigo); box-shadow: 0 0 0 1px var(--indigo); }
.systems h3 { font-size: 22px; margin-bottom: 8px; }
.systems p { color: var(--muted); font-size: 15px; }
.systems li { display: flex; flex-direction: column; }
.get { display: grid; gap: 8px; margin-top: auto; padding-top: 20px; }
.file {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px; border: 1px solid var(--line); border-radius: 10px;
  color: var(--text); text-decoration: none; font: 500 15px/1.3 var(--display);
  transition: background-color .15s, border-color .15s;
}
.file:hover { color: var(--text); border-color: var(--muted); background: rgba(255,255,255,.04); }
.file.main { border-color: var(--indigo); }
/* Only the visitor's own system gets the solid button. */
.here .file.main { background: var(--indigo-strong); border-color: var(--indigo-strong); color: #fff; }
.here .file.main:hover { background: #7d76ff; border-color: #7d76ff; }
.file svg { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.file small { display: block; font: 400 13px/1.3 var(--body); opacity: .75; }
.note { margin-top: 28px; color: var(--faint); font-size: 14px; max-width: 70ch; }
.note strong { color: var(--muted); font-weight: 600; }

/* ------------------------------------------------------------------ source */

.source {
  padding-top: var(--section); padding-bottom: var(--section);
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 56px; align-items: center;
}
.source h2 { margin-bottom: 20px; }
.source-copy p { color: var(--muted); max-width: 48ch; margin-bottom: 32px; }
.terminal { position: relative; background: #17191f; border: 1px solid var(--line); border-radius: 14px; }
.terminal pre { margin: 0; padding: 24px; overflow-x: auto; font-size: 14px; line-height: 1.8; color: #d6d8e2; }
.copy {
  position: absolute; top: 12px; right: 12px;
  background: var(--hull); color: var(--muted); border: 1px solid var(--line); border-radius: 8px;
  font: 500 13px/1 var(--body); padding: 8px 12px; cursor: pointer;
}
.copy:hover { color: var(--text); }

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

.foot { border-top: 1px solid var(--line-soft); padding: 40px 0 56px; color: var(--faint); font-size: 14px; }
.foot-inner { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 48px; align-items: start; }
.foot-brand { display: flex; gap: 14px; align-items: flex-start; }
.foot-brand p { color: var(--muted); }
.legal { max-width: 62ch; justify-self: end; text-align: right; }

/* ------------------------------------------------------------------ smaller screens */

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero h1 { max-width: 16ch; }
  .path { grid-template-columns: 1fr 1fr; row-gap: 48px; }
  .path li:nth-child(2)::after { display: none; }
  .feature-list { grid-template-columns: 1fr; }
  .source { grid-template-columns: minmax(0, 1fr); }
  .systems { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .nav a:not(:last-child) { display: none; }
  .link-pair, .mark-list { grid-template-columns: 1fr; gap: 32px; }
  .path { grid-template-columns: 1fr; }
  .path li::after { display: none; }
  .never-list > div { grid-template-columns: 1fr; gap: 10px; }
  .feature-list > div { grid-template-columns: 1fr; gap: 6px; }
  .win-button, .win-summary { display: none; }
  .name small { display: none; }
  .state { min-width: 0; }
  [data-state="down"] .state::after { width: 84px; }
  .foot-inner { grid-template-columns: 1fr; gap: 20px; }
  .legal { justify-self: start; text-align: left; }
}

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