/* piperbot.cloud — the app's pocket LCD device, on the web. Colours are Theme.swift's; the pixel
   face is the app's Press Start 2P (self-hosted: this site loads nothing from anyone else). The
   device and its screen keep their colours in dark mode, like a real one on a dark desk. */

@font-face {
  font-family: "Press Start 2P";
  src: url("/fonts/PressStart2P-Regular.ttf") format("truetype");
  font-display: swap;
}

:root {
  /* the device (Theme.swift: LCD, Shell) — the same in both schemes */
  --shell: #EADFCB;
  --shell-dark: #C9B99F;
  --shell-deep: #B3A184;
  --bezel: #2B2E2A;
  --screen: #C7D3B0;
  --screen-dim: #B4C19E;
  --grid: rgba(150, 168, 124, 0.38);
  --grid-faint: rgba(150, 168, 124, 0.2); /* behind long text */
  --ink: #1B2A1A;
  --ink-soft: #3E5140;
  --ink-faint: #6E8270;
  --accent: #E0762F;
  --btn-a: #E88B8B;
  --btn-b: #F2C94C;
  --btn-c: #7FA7D9;
  --label: #5A5044;

  /* the desk the device sits on */
  --page: #F3ECDF;
  --page-ink: #2B2E2A;
  --page-soft: #6A5F50;
  --page-dots: rgba(90, 80, 68, 0.13);
  --card: #FBF7EF;
  --card-edge: #DDD1BB;

  --pixel: "Press Start 2P", ui-monospace, monospace;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --gutter: 16px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --page: #1C1E1B;
    --page-ink: #EADFCB;
    --page-soft: #B5A992;
    --page-dots: rgba(234, 223, 203, 0.07);
    --card: #262924;
    --card-edge: #3A3E37;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --page: #1C1E1B;
  --page-ink: #EADFCB;
  --page-soft: #B5A992;
  --page-dots: rgba(234, 223, 203, 0.07);
  --card: #262924;
  --card-edge: #3A3E37;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden], .sprite g[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--page);
  background-image: radial-gradient(var(--page-dots) 1.2px, transparent 1.6px);
  background-size: 18px 18px;
  color: var(--page-ink);
  font: 15px/1.65 var(--mono);
  overflow-x: hidden;
}
main { flex: 1; width: 100%; }

a { color: inherit; text-decoration-color: var(--accent); text-decoration-thickness: 2px; text-underline-offset: 3px; }
a:hover { color: var(--accent); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.skip {
  position: absolute; left: var(--gutter); top: -60px; z-index: 10;
  background: var(--ink); color: var(--screen); padding: 10px 14px;
  font: 10px/1 var(--pixel); text-decoration: none;
}
.skip:focus { top: 12px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}

.pix { font-family: var(--pixel); font-size: 0.72em; line-height: 1.8; letter-spacing: 0.02em; }

/* ---------------------------------------------------------------------------------------------
   Top bar: the wordmark and the device's three buttons as the site's navigation. */

.topbar {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 18px var(--gutter) 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--page-ink);
  font: 13px/1 var(--pixel); letter-spacing: 0.04em;
}
.brand .mini { width: 30px; height: auto; image-rendering: pixelated; }
.brand:hover { color: var(--page-ink); }
.brand:hover .mini { animation: hop 0.5s steps(2) 1; }

.keys { display: flex; gap: 14px; }
.key {
  display: flex; flex-direction: column; align-items: center; gap: 7px;
  text-decoration: none; color: var(--page-soft);
  font: 8px/1 var(--pixel); text-transform: uppercase; letter-spacing: 0.06em;
}
.key .cap {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--cap);
  box-shadow: inset -3px -4px 0 rgba(0, 0, 0, 0.14), inset 2px 3px 0 rgba(255, 255, 255, 0.35), 0 3px 0 var(--cap-edge);
  transition: transform 80ms ease, box-shadow 80ms ease;
}
.key-a { --cap: var(--btn-a); --cap-edge: #B9605F; }
.key-b { --cap: var(--btn-b); --cap-edge: #C19A2C; }
.key-c { --cap: var(--btn-c); --cap-edge: #5579A8; }
.key:hover { color: var(--page-ink); }
.key:hover .cap, .key:active .cap {
  transform: translateY(2px);
  box-shadow: inset -3px -4px 0 rgba(0, 0, 0, 0.14), inset 2px 3px 0 rgba(255, 255, 255, 0.35), 0 1px 0 var(--cap-edge);
}
.key[aria-current="page"] { color: var(--page-ink); }
.key[aria-current="page"] .cap { outline: 2px solid var(--page-ink); outline-offset: 3px; }

/* ---------------------------------------------------------------------------------------------
   Landing: the hero and the device. */

.hero {
  max-width: 1120px;
  margin: 0 auto;
  padding: 40px var(--gutter) 72px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 56px;
  align-items: center;
}
.kicker {
  margin: 0 0 18px;
  font: 9px/1.6 var(--pixel); text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--accent);
}
.hero h1 {
  margin: 0 0 26px;
  font: clamp(26px, 4.6vw, 50px)/1.28 var(--pixel);
  letter-spacing: -0.01em;
  text-wrap: balance;
}
.lede { margin: 0 0 28px; max-width: 34em; font-size: 16px; color: var(--page-soft); }
.soon {
  display: inline-flex; align-items: center; gap: 10px;
  margin: 0; padding: 12px 16px;
  background: var(--bezel); color: var(--screen);
  font: 9px/1.4 var(--pixel); letter-spacing: 0.04em;
  box-shadow: 4px 4px 0 var(--accent);
}
.caret { color: var(--btn-b); animation: blink 1.1s steps(1) infinite; }

.device {
  position: relative;
  justify-self: center;
  width: min(380px, 100%);
  padding: 18px 20px 30px;
  background: linear-gradient(160deg, #F2E9D8 0%, var(--shell) 45%, #E1D4BC 100%);
  border-radius: 22px 22px 70px 22px;
  box-shadow:
    inset -5px -7px 0 rgba(120, 100, 70, 0.14),
    inset 3px 3px 0 rgba(255, 255, 255, 0.55),
    0 2px 0 var(--shell-dark),
    0 34px 60px -24px rgba(43, 46, 42, 0.55);
  transform: rotate(-2.5deg);
  animation: rise 700ms cubic-bezier(0.2, 0.7, 0.2, 1) both 120ms;
}
.device-top { display: flex; align-items: center; gap: 10px; margin: 0 4px 12px; }
.power {
  width: 8px; height: 8px; border-radius: 50%;
  background: #E2504A; box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.08), 0 0 10px 2px rgba(226, 80, 74, 0.55);
}
.plate { font: 7px/1 var(--pixel); color: var(--label); letter-spacing: 0.18em; }

.bezel {
  background: var(--bezel);
  border-radius: 12px 12px 36px 12px;
  padding: 18px 18px 22px;
  box-shadow: inset 0 2px 0 rgba(255, 255, 255, 0.06), inset 0 -2px 0 rgba(0, 0, 0, 0.4);
}
.screen {
  position: relative;
  aspect-ratio: 1 / 1.08;
  overflow: hidden;
  padding: 14px;
  color: var(--ink);
  background-color: var(--screen);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 5px 5px;
  border-radius: 4px;
  box-shadow: inset 0 3px 8px rgba(0, 0, 0, 0.28), inset 0 0 0 1px rgba(0, 0, 0, 0.2);
}
.tab { height: 100%; display: flex; flex-direction: column; }
.tab[data-tab="chat"] { align-items: center; justify-content: flex-start; gap: 12px; }

.sprite { display: block; height: auto; image-rendering: pixelated; }
.sprite-hero { width: 44%; margin-top: 4px; filter: drop-shadow(3px 3px 0 rgba(27, 42, 26, 0.16)); }
.sprite-small { width: 112px; }
.sprite-doc { width: 58px; flex: none; }

.bubble {
  position: relative;
  width: 100%;
  margin-top: 4px;
  padding: 11px 12px;
  background: rgba(240, 245, 228, 0.55);
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 rgba(27, 42, 26, 0.2);
}
.bubble::before { /* a stepped pixel tail pointing up at Piper */
  content: ""; position: absolute; left: calc(50% - 8px); top: -10px;
  width: 16px; height: 10px; background: var(--ink);
  clip-path: polygon(50% 0, 62.5% 0, 62.5% 20%, 75% 20%, 75% 40%, 87.5% 40%, 87.5% 60%, 100% 60%, 100% 100%, 0 100%, 0 60%, 12.5% 60%, 12.5% 40%, 25% 40%, 25% 20%, 37.5% 20%, 37.5% 0);
}
.typed { margin: 0; min-height: 5.4em; font: 9.5px/1.8 var(--pixel); }
.typed.typing::after, .typed.waiting::after {
  content: ""; display: inline-block; width: 0.8em; height: 1em; margin-left: 2px;
  vertical-align: -0.12em; background: var(--ink); animation: blink 0.8s steps(1) infinite;
}

.tab-title {
  margin: 0 0 12px; padding-bottom: 8px; border-bottom: 2px dashed var(--ink-faint);
  font: 10px/1 var(--pixel); text-transform: uppercase; letter-spacing: 0.08em;
}
.agenda, .memory { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.agenda li {
  display: grid; grid-template-columns: auto 1fr auto; gap: 10px; align-items: center;
  padding-bottom: 9px; border-bottom: 1px solid var(--screen-dim);
}
.agenda .d { font: 7px/1 var(--pixel); color: var(--ink-soft); }
.agenda .w { font: 600 12.5px/1.3 var(--mono); }
.agenda .t { font: 7px/1 var(--pixel); padding: 4px 5px; background: var(--ink); color: var(--screen); }
.agenda .t.dim { background: none; color: var(--ink-faint); }
.memory li { font: 12.5px/1.5 var(--mono); padding: 8px 10px; background: rgba(180, 193, 158, 0.55); }
.memory b { display: block; margin-bottom: 3px; font: 8px/1.4 var(--pixel); text-transform: uppercase; color: var(--accent); }

.controls {
  display: flex; align-items: center; justify-content: space-between;
  margin: 26px 8px 0;
}
.dpad { position: relative; width: 62px; height: 62px; }
.dpad::before, .dpad::after {
  content: ""; position: absolute; background: var(--bezel); border-radius: 4px;
  box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.45), 0 2px 0 var(--shell-deep);
}
.dpad::before { left: 21px; top: 0; width: 20px; height: 62px; }
.dpad::after { left: 0; top: 21px; width: 62px; height: 20px; }

.buttons { display: flex; gap: 14px; transform: rotate(-10deg); }
.btn {
  appearance: none; border: 0; padding: 0; background: none; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; gap: 9px;
  font: 6.5px/1 var(--pixel); text-transform: uppercase; letter-spacing: 0.08em; color: var(--label);
}
.btn::before {
  content: ""; width: 34px; height: 34px; border-radius: 50%;
  background: var(--cap);
  box-shadow: inset -4px -5px 0 rgba(0, 0, 0, 0.15), inset 3px 3px 0 rgba(255, 255, 255, 0.35), 0 4px 0 var(--cap-edge), 0 6px 8px rgba(0, 0, 0, 0.15);
  transition: transform 70ms ease, box-shadow 70ms ease;
}
.btn-a { --cap: var(--btn-a); --cap-edge: #B9605F; }
.btn-b { --cap: var(--btn-b); --cap-edge: #C19A2C; }
.btn-c { --cap: var(--btn-c); --cap-edge: #5579A8; }
.btn:active::before, .btn[aria-pressed="true"]::before {
  transform: translateY(3px);
  box-shadow: inset -4px -5px 0 rgba(0, 0, 0, 0.15), inset 3px 3px 0 rgba(255, 255, 255, 0.35), 0 1px 0 var(--cap-edge);
}
.btn[aria-pressed="true"] { color: var(--ink); }

.grille {
  margin-left: auto; width: 44px; height: 8px;
  background: repeating-linear-gradient(90deg, rgba(90, 80, 68, 0.4) 0 3px, transparent 3px 7px);
  border-radius: 2px;
}

/* How it works */
.how, .weekend, .promise { max-width: 1120px; margin: 0 auto; padding: 0 var(--gutter); }
.how h2, .weekend h2 {
  margin: 0 0 28px;
  font: clamp(15px, 2.2vw, 20px)/1.5 var(--pixel);
}
.steps { list-style: none; margin: 0 0 80px; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.step {
  position: relative;
  padding: 24px 22px 22px;
  background: var(--card);
  border: 2px solid var(--card-edge);
  box-shadow: 5px 5px 0 var(--card-edge);
  animation: rise 600ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
}
.step:nth-child(1) { animation-delay: 260ms; }
.step:nth-child(2) { animation-delay: 360ms; }
.step:nth-child(3) { animation-delay: 460ms; }
.step .num { display: block; margin-bottom: 16px; font: 24px/1 var(--pixel); color: var(--accent); }
.step h3 { margin: 0 0 10px; font: 11px/1.6 var(--pixel); text-transform: uppercase; letter-spacing: 0.04em; }
.step p { margin: 0; color: var(--page-soft); }

.weekend {
  display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 40px; align-items: center;
  margin-bottom: 80px;
}
.weekend-art {
  display: grid; place-items: center;
  width: 200px; height: 200px;
  background-color: var(--screen);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 5px 5px;
  border: 12px solid var(--bezel);
  border-radius: 10px 10px 32px 10px;
  box-shadow: 0 20px 40px -22px rgba(0, 0, 0, 0.6);
}
.weekend-copy p:last-child { margin: 0; max-width: 38em; color: var(--page-soft); }

.promise {
  margin-bottom: 72px;
}
.promise p {
  margin: 0; padding: 26px 28px;
  background: var(--bezel); color: var(--screen);
  border-radius: 6px;
  box-shadow: 6px 6px 0 var(--accent);
}
.promise .pix { color: var(--btn-b); font-size: 10px; margin-right: 6px; }
.promise a { color: var(--screen); white-space: nowrap; }
.promise a:hover { color: var(--btn-b); }

/* ---------------------------------------------------------------------------------------------
   Documents: privacy and support, printed on the LCD. */

.doc { max-width: 800px; margin: 0 auto; padding: 32px var(--gutter) 72px; }
.doc-head { display: flex; align-items: flex-end; gap: 18px; margin: 0 0 22px; }
.doc-head h1 { margin: 0 0 4px; font: clamp(15px, 3vw, 22px)/1.5 var(--pixel); text-wrap: balance; }
.doc-body {
  color: var(--ink);
  padding: clamp(20px, 5vw, 44px);
  background-color: var(--screen);
  background-image:
    linear-gradient(var(--grid-faint) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-faint) 1px, transparent 1px);
  background-size: 5px 5px;
  border: 14px solid var(--bezel);
  border-radius: 12px 12px 40px 12px;
  box-shadow: inset 0 3px 10px rgba(0, 0, 0, 0.22), 0 26px 50px -30px rgba(0, 0, 0, 0.6);
  animation: rise 600ms cubic-bezier(0.2, 0.7, 0.2, 1) both 80ms;
}
.doc-body > :first-child { margin-top: 0; }
.doc-body h2 {
  margin: 2.2em 0 0.9em;
  font: 12px/1.6 var(--pixel); text-transform: uppercase; letter-spacing: 0.04em;
  display: flex; align-items: baseline; gap: 10px;
}
.doc-body h2::before { content: ""; flex: none; width: 9px; height: 9px; background: var(--accent); transform: translateY(-1px); }
.doc-body p, .doc-body li { max-width: 68ch; }
.doc-body p { margin: 0 0 1em; }
.doc-body ul { margin: 0 0 1.2em; padding: 0; list-style: none; }
.doc-body li { position: relative; padding-left: 22px; margin-bottom: 0.7em; }
.doc-body li::before { content: ""; position: absolute; left: 3px; top: 0.6em; width: 7px; height: 7px; background: var(--ink); }
.doc-body a { color: var(--ink); }
.doc-body a:hover { color: var(--accent); }
.doc-body code { font: inherit; background: var(--screen-dim); padding: 1px 5px; }
.doc-body em { color: var(--ink-soft); }

.contact {
  margin: 0 0 8px; padding: 22px;
  background: rgba(240, 245, 228, 0.5);
  border: 2px solid var(--ink);
  box-shadow: 4px 4px 0 rgba(27, 42, 26, 0.2);
}
.contact .pix { margin: 0 0 12px; font-size: 11px; }
.contact p:last-child { margin: 0; }
.button {
  display: inline-block;
  padding: 13px 16px;
  background: var(--ink); color: var(--screen) !important;
  font: 10px/1.4 var(--pixel); text-decoration: none; letter-spacing: 0.02em;
  box-shadow: 4px 4px 0 var(--accent);
  overflow-wrap: anywhere;
  transition: transform 80ms ease, box-shadow 80ms ease;
}
.button:hover { transform: translate(2px, 2px); box-shadow: 2px 2px 0 var(--accent); }

.faq { border-bottom: 2px dashed var(--ink-faint); }
.faq summary {
  cursor: pointer; list-style: none;
  display: flex; gap: 14px; align-items: baseline;
  padding: 14px 0; font-weight: 700;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "+"; flex: none; width: 1em; font: 12px/1 var(--pixel); color: var(--accent); }
.faq[open] summary::before { content: "−"; }
.faq summary:hover { color: var(--ink-soft); }
.faq p { margin: 0 0 16px 2em; }

.lost { max-width: 560px; margin: 0 auto; padding: 72px var(--gutter); text-align: center; }
.lost .sprite { width: 96px; margin: 0 auto 20px; }
.lost h1 { margin: 0 0 16px; font: 40px/1 var(--pixel); }
.lost p { color: var(--page-soft); }

/* Footer */
.foot {
  width: 100%; max-width: 1120px; margin: 0 auto;
  padding: 28px var(--gutter) 36px;
  border-top: 2px dashed var(--card-edge);
  color: var(--page-soft); font-size: 13px; text-align: center;
}
.foot p { margin: 0 0 8px; }
.foot-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 22px; }
.foot-links a { overflow-wrap: anywhere; }
.fine { font-size: 12px; opacity: 0.85; }

/* Motion */
@keyframes blink { 50% { opacity: 0; } }
@keyframes hop { 50% { transform: translateY(-3px); } }
@keyframes rise {
  from { opacity: 0; translate: 0 18px; }
  to { opacity: 1; translate: 0 0; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* Narrow screens */
@media (max-width: 860px) {
  .hero { grid-template-columns: minmax(0, 1fr); gap: 44px; padding-top: 24px; }
  .device { transform: none; }
  .steps { grid-template-columns: minmax(0, 1fr); }
  .weekend { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .weekend-art { width: 160px; height: 160px; }
  .sprite-small { width: 88px; }
}
@media (max-width: 480px) {
  .topbar { padding-top: 14px; }
  .brand { font-size: 10px; gap: 8px; }
  .brand .mini { width: 24px; }
  .keys { gap: 10px; }
  .key { font-size: 6.5px; }
  .key .cap { width: 22px; height: 22px; }
  .device { padding: 14px 14px 26px; border-radius: 18px 18px 56px 18px; }
  .bezel { padding: 12px 12px 16px; }
  .typed { font-size: 8.5px; }
  .controls { margin-top: 22px; }
  .dpad { transform: scale(0.85); transform-origin: left center; }
  .buttons { gap: 10px; }
  .btn::before { width: 30px; height: 30px; }
  .doc-body { border-width: 10px; }
  .promise p { padding: 22px 20px; }
}