/* ==========================================================================
   Kiosky site: tokens, type, layout, nav, footer, buttons and the shared
   components (cards, tick lists, comparison table, FAQ). Paper / ink system
   shared with the Android app (ui/theme/Theme.kt).
   Use the --fs-* and --s-* tokens below; avoid one-off sizes.
   ========================================================================== */

/* ---- Fonts (self-hosted, OFL; see fonts/OFL.txt) ------------------------ */
@font-face {
  font-family: "Plus Jakarta Sans";
  src: url("../fonts/plus-jakarta-sans-var.woff2") format("woff2");
  font-weight: 200 800; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("../fonts/ibm-plex-mono-400.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("../fonts/ibm-plex-mono-500.woff2") format("woff2");
  font-weight: 500; font-style: normal; font-display: swap;
}

/* ---- Tokens ------------------------------------------------------------- */
:root {
  color-scheme: light;
  --bg: #FBFAF7; --panel: #F6F4EE; --panel2: #EEECE4; --card: #FFFFFF;
  --ink: #111310; --muted: #55594F; --faint: #6E7268;
  --border: #E4E2D9; --border-strong: #C9C6BA;
  --accent: #C05621; --accent-text: #B04C1A; --accent-soft: #F6E7DC; --accent-wash: #FBF1EA; --on-accent: #FFFFFF;
  --ok: #14713F; --ok-bg: #E6F1E9; --no: #A6231B; --no-bg: #F8E6E3;
  --part: #7D5A00; --part-bg: #F6E7DC; --unk: #6E7268; --unk-bg: #EFEDE6;
  --nav-bg: rgba(251, 250, 247, .88);
  --shadow: 0 1px 2px rgba(17, 19, 16, .04), 0 12px 32px -12px rgba(17, 19, 16, .10);

  --sans: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Type scale */
  --fs-label: 11.5px;                       /* mono caps labels */
  --fs-xs: 13px;                            /* captions, notes */
  --fs-sm: 15px;                            /* secondary body, lists, tables */
  --fs-base: 17px;                          /* body */
  --fs-lede: clamp(17px, 1.4vw, 19px);      /* intro paragraphs */
  --fs-h4: 17px;                            /* small headings */
  --fs-h3: 20px;                            /* card headings */
  --fs-h2: clamp(28px, 3.1vw, 40px);        /* section headings */
  --fs-h1: clamp(34px, 4.2vw, 54px);        /* page headings */

  /* Spacing scale */
  --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px; --s-5: 24px;
  --s-6: 32px; --s-7: 48px; --s-8: 64px;
  --section: clamp(64px, 9vw, 112px);
  --card-pad: clamp(20px, 2.6vw, 32px);
  --gap: 16px;

  --max: 1200px;
  --gutter: clamp(16px, 4vw, 40px);
  --r1: 2px; --r2: 4px; --r3: 6px;
  --ease: cubic-bezier(.16, 1, .3, 1);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #111310; --panel: #191D1A; --panel2: #141814; --card: #161A17;
    --ink: #FBFAF7; --muted: #B7BAB0; --faint: #8F9388;
    --border: #2A2E28; --border-strong: #4A4F46;
    --accent: #E07A45; --accent-text: #E07A45; --accent-soft: #2B1D14; --accent-wash: #2A1D15; --on-accent: #111310;
    --ok: #5BC48A; --ok-bg: #14271D; --no: #F2837A; --no-bg: #2E1816;
    --part: #E3B341; --part-bg: #2B2310; --unk: #8F9388; --unk-bg: #1F231F;
    --nav-bg: rgba(17, 19, 16, .88);
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 16px 40px -16px rgba(0, 0, 0, .6);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #111310; --panel: #191D1A; --panel2: #141814; --card: #161A17;
  --ink: #FBFAF7; --muted: #B7BAB0; --faint: #8F9388;
  --border: #2A2E28; --border-strong: #4A4F46;
  --accent: #E07A45; --accent-text: #E07A45; --accent-soft: #2B1D14; --accent-wash: #2A1D15; --on-accent: #111310;
  --ok: #5BC48A; --ok-bg: #14271D; --no: #F2837A; --no-bg: #2E1816;
  --part: #E3B341; --part-bg: #2B2310; --unk: #8F9388; --unk-bg: #1F231F;
  --nav-bg: rgba(17, 19, 16, .88);
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 16px 40px -16px rgba(0, 0, 0, .6);
}

/* ---- Reset & base ------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 88px; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--sans); font-size: var(--fs-base); line-height: 1.6;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
h1, h2, h3, h4, p, ul, ol, dl, dd, figure { margin: 0; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }
p a, li a, dd a, td a, .prose a { color: var(--accent-text); }
p a:hover, li a:hover, dd a:hover, td a:hover, .prose a:hover { color: var(--ink); }
code, kbd, pre { font-family: var(--mono); font-size: .88em; }
code { background: var(--panel); border: 1px solid var(--border); border-radius: var(--r1); padding: .05em .35em; overflow-wrap: anywhere; }
::selection { background: var(--ink); color: var(--bg); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: var(--r1); }
.skip {
  position: absolute; left: var(--s-3); top: -48px; z-index: 40;
  background: var(--ink); color: var(--bg); padding: 10px 14px; border-radius: var(--r2);
  font-weight: 600; text-decoration: none;
}
.skip:focus { top: var(--s-3); }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---- Layout ------------------------------------------------------------- */
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: var(--section) 0; }
.section + .section { border-top: 1px solid var(--border); }
.section--panel { background: var(--panel); }
.section-head { max-width: 760px; margin-bottom: var(--s-7); }
.section-head .lede { margin-top: var(--s-4); }
.split { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: var(--s-7); align-items: start; }
.split .lede { margin-top: var(--s-4); }
.split-actions { margin-top: var(--s-5); }
@media (max-width: 1100px) { .split { grid-template-columns: minmax(0, 1fr); gap: var(--s-6); } .split > :first-child { max-width: 760px; } }

/* ---- Type --------------------------------------------------------------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: var(--s-4);
  font: 500 var(--fs-label)/1.2 var(--mono); letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent-text);
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: var(--accent); flex: none; }
.label { font: 500 var(--fs-label)/1.3 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--faint); }
.h1 { font-size: var(--fs-h1); font-weight: 700; letter-spacing: -.035em; line-height: 1.06; text-wrap: balance; }
.h2 { font-size: var(--fs-h2); font-weight: 700; letter-spacing: -.03em; line-height: 1.12; text-wrap: balance; }
.h3 { font-size: var(--fs-h3); font-weight: 650; letter-spacing: -.02em; line-height: 1.3; }
.h4 { font-size: var(--fs-h4); font-weight: 650; letter-spacing: -.01em; line-height: 1.35; }
.h1 + .lede, .h2 + .lede { margin-top: var(--s-4); }
.lede { font-size: var(--fs-lede); color: var(--muted); max-width: 60ch; text-wrap: pretty; }
.muted { color: var(--muted); }
.small { font-size: var(--fs-sm); }
.fine { margin-top: var(--s-5); font-size: var(--fs-xs); color: var(--faint); max-width: 80ch; }

/* ---- Buttons ------------------------------------------------------------ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 46px; padding: 0 20px;
  font: 600 var(--fs-sm)/1 var(--sans);
  border: 1px solid transparent; border-radius: var(--r2);
  text-decoration: none; white-space: nowrap; cursor: pointer;
  transition: background-color .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease), transform .2s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn-dark { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.btn-dark:hover { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn-line { background: transparent; color: var(--ink); border-color: var(--border-strong); }
.btn-line:hover { border-color: var(--ink); }
.btn-sm { min-height: 38px; padding: 0 14px; font-size: 14px; }
.btn .arrow { transition: transform .25s var(--ease); }
.btn:hover .arrow { transform: translateX(3px); }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--s-3); }
/* Store badge stand-in. TODO: replace with the official Google Play badge before launch. */
.btn-store { gap: var(--s-3); padding: 0 20px 0 16px; min-height: 52px; }
.btn-store svg { width: 20px; height: 20px; flex: none; }
.btn-store .store-text { display: flex; flex-direction: column; align-items: flex-start; gap: 3px; }
.btn-store .store-text small { font: 500 10px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; opacity: .78; }
.btn-store .store-text span { font-size: 16px; line-height: 1; }
.link-arrow {
  display: inline-flex; align-items: center; gap: var(--s-2);
  font: 500 12px/1.2 var(--mono); letter-spacing: .08em; text-transform: uppercase;
  color: var(--accent-text); text-decoration: none;
  border-bottom: 1px solid currentColor; padding-bottom: 3px;
}
.link-arrow:hover { color: var(--ink); }

/* ---- Badges ------------------------------------------------------------- */
.badge {
  display: inline-block; vertical-align: middle;
  font: 500 10.5px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase;
  padding: 4px 6px 3px; border-radius: var(--r1);
  background: var(--accent-soft); color: var(--accent-text);
}

/* ---- Cards, tick lists -------------------------------------------------- */
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--r3);
  padding: var(--card-pad); min-width: 0;
  display: flex; flex-direction: column; gap: var(--s-3);
}
.card p { color: var(--muted); }
.card-foot { margin-top: auto; padding-top: var(--s-3); }
.ticks { list-style: none; padding: 0; display: grid; gap: var(--s-2); font-size: var(--fs-sm); }
.ticks li { position: relative; padding-left: 24px; }
.ticks li::before {
  content: ""; position: absolute; left: 2px; top: .55em;
  width: 10px; height: 6px; border-left: 1.5px solid var(--accent); border-bottom: 1.5px solid var(--accent);
  transform: rotate(-45deg);
}
.price { display: flex; align-items: baseline; gap: var(--s-2); flex-wrap: wrap; }
.price strong { font-size: 36px; font-weight: 700; letter-spacing: -.035em; line-height: 1; }
.price span { color: var(--muted); font-size: var(--fs-sm); }

/* ---- Comparison table (one component for every table on the site) ------ */
.ctable-wrap {
  overflow-x: auto; -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border); border-radius: var(--r3); background: var(--card);
}
.ctable {
  --first: 200px; --col: 136px;
  width: 100%; min-width: calc(var(--first) + var(--cols, 4) * var(--col));
  table-layout: fixed; border-collapse: separate; border-spacing: 0;
  font-size: 13.5px; line-height: 1.4;
}
.ctable col.c-first { width: var(--first); }
.ctable th, .ctable td {
  padding: var(--s-3); text-align: left; vertical-align: top;
  border-bottom: 1px solid var(--border); overflow-wrap: anywhere;
}
.ctable thead th {
  background: var(--panel); vertical-align: bottom;
  font: 500 var(--fs-label)/1.3 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--faint);
}
.ctable thead th.k { color: var(--accent-text); }
.ctable tbody th[scope="row"] { font-weight: 600; color: var(--ink); }
.ctable th:first-child {
  position: sticky; left: 0; z-index: 1; background: var(--card);
  border-right: 1px solid var(--border);
}
.ctable thead th:first-child { background: var(--panel); z-index: 2; }
.ctable td.k { background: var(--accent-wash); }
.ctable tr.grp th { position: static; border-right: 0; }
.ctable tr.grp th span { position: sticky; left: var(--s-3); }
.ctable tr.grp th {
  background: var(--panel); padding: 10px var(--s-3);
  font: 500 var(--fs-label)/1.2 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted);
}
.ctable tbody tr:last-child > * { border-bottom: 0; }
.ctable .v { display: inline-block; min-width: 34px; text-align: center; font: 500 11px/1.4 var(--mono); padding: 1px 6px; border-radius: var(--r1); white-space: nowrap; }
.ctable .note { display: block; margin-top: var(--s-1); font-size: 12.5px; color: var(--muted); }
.v-y { color: var(--ok); background: var(--ok-bg); }
.v-n { color: var(--no); background: var(--no-bg); }
.v-p { color: var(--part); background: var(--part-bg); }
.v-u { color: var(--unk); background: var(--unk-bg); }
@media (max-width: 600px) { .ctable { --first: 116px; --col: 116px; font-size: 13px; } .ctable th, .ctable td { padding: 10px; } }

/* ---- FAQ (details) ------------------------------------------------------ */
.faq-list { border-top: 1px solid var(--border); }
.faq-list details { border-bottom: 1px solid var(--border); }
.faq-list summary {
  list-style: none; cursor: pointer;
  display: flex; justify-content: space-between; gap: var(--s-5); align-items: baseline;
  padding: 18px 0; font-size: var(--fs-base); font-weight: 600; letter-spacing: -.01em;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; flex: none; font: 400 22px/1 var(--mono); color: var(--accent); transition: transform .25s var(--ease); }
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list summary:hover { color: var(--accent-text); }
.faq-body { padding: 0 0 var(--s-5); color: var(--muted); max-width: 70ch; display: grid; gap: var(--s-3); }
.faq-body ul, .faq-body ol { padding-left: 20px; display: grid; gap: 6px; }

/* ---- Nav ---------------------------------------------------------------- */
.nav {
  position: sticky; top: 0; z-index: 30; background: var(--nav-bg);
  -webkit-backdrop-filter: saturate(1.2) blur(12px); backdrop-filter: saturate(1.2) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); height: 64px; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); flex: none; }
.brand-mark { width: 22px; height: 23px; }
.brand-mark .bm-frame { fill: var(--ink); } .brand-mark .bm-screen { fill: var(--bg); }
.brand-mark .bm-accent { fill: var(--accent); } .brand-mark .bm-tile { fill: var(--muted); }
.brand-word { font-weight: 800; font-size: 21px; letter-spacing: -.045em; line-height: 1; }
.nav-links { display: flex; gap: var(--s-5); flex: 1; }
.nav-links a { font-size: 14.5px; font-weight: 550; color: var(--muted); text-decoration: none; padding: 6px 0; border-bottom: 1px solid transparent; }
.nav-links a:hover { color: var(--ink); }
.nav-links a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent); }
.nav-actions { display: flex; align-items: center; gap: 10px; flex: none; }
.icon-btn {
  width: 38px; height: 38px; display: inline-grid; place-items: center;
  background: transparent; color: var(--ink); border: 1px solid var(--border); border-radius: var(--r2); cursor: pointer;
}
.icon-btn:hover { border-color: var(--border-strong); }
.icon-btn svg { width: 18px; height: 18px; }
.nav-toggle, .nav-links-cta, .theme-toggle { display: none; }
.js .theme-toggle { display: inline-grid; }
.theme-toggle .i-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .i-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .i-moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .i-sun { display: block; }
  :root:not([data-theme="light"]) .theme-toggle .i-moon { display: none; }
}
@media (max-width: 860px) {
  .nav-inner { gap: var(--s-3); }
  .nav-toggle { display: inline-grid; }
  .nav-cta { display: none; }
  .nav-actions { margin-left: auto; }
  .nav-links {
    position: absolute; left: 0; right: 0; top: 64px; display: none;
    flex-direction: column; gap: 0; padding: var(--s-2) var(--gutter) var(--s-5);
    background: var(--bg); border-bottom: 1px solid var(--border);
  }
  .nav.open .nav-links { display: flex; }
  .nav-links a { padding: 14px 0; font-size: var(--fs-base); border-bottom: 1px solid var(--border); }
  .nav-links a[aria-current="page"] { border-bottom-color: var(--border); color: var(--accent-text); }
  .nav-links a.nav-links-cta { display: inline-flex; margin-top: 18px; padding: 0 20px; border: 1px solid var(--ink); color: var(--bg); font-size: var(--fs-sm); }
}

/* ---- Footer ------------------------------------------------------------- */
.footer { border-top: 1px solid var(--border); padding: var(--s-8) 0 var(--s-6); font-size: var(--fs-sm); }
.footer-grid { display: grid; gap: var(--s-6); grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr)); }
.footer-about p { color: var(--muted); max-width: 36ch; margin-top: var(--s-3); }
.footer h2 { font: 500 var(--fs-label)/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--faint); margin-bottom: var(--s-3); }
.footer ul { list-style: none; padding: 0; display: grid; gap: var(--s-2); }
.footer a { color: var(--muted); text-decoration: none; }
.footer a:hover { color: var(--ink); }
.footer-base {
  margin-top: var(--s-7); padding-top: var(--s-4); border-top: 1px solid var(--border);
  display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-5); justify-content: space-between;
  color: var(--faint); font-size: var(--fs-xs);
}
@media (max-width: 860px) {
  .footer-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-about { grid-column: 1 / -1; }
}
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr 1fr; } }

/* ---- Reveal on scroll (JS + motion allowed only) ------------------------ */
@media (prefers-reduced-motion: no-preference) {
  .js-motion .reveal { opacity: 0; transform: translateY(14px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
  .js-motion .reveal.in { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}