/* Retrograde pages on apps.nkreative.com. Colours and fonts are the app's own (bundled fonts,
   SIL Open Font License; no third-party requests). */

@font-face { font-family: "Archivo Black"; src: url("fonts/ArchivoBlack-Regular.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Space Mono"; src: url("fonts/SpaceMono-Regular.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Inter"; font-weight: 400; src: url("fonts/Inter-Regular.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Inter"; font-weight: 600; src: url("fonts/Inter-SemiBold.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Inter"; font-weight: 700; src: url("fonts/Inter-Bold.ttf") format("truetype"); font-display: swap; }

:root {
  --bg: #130d25;
  --surface: #1d1331;
  --line: #49305f;
  --text: #f5f0ff;
  --muted: #b8a9cd;
  --pink: #ff2d87;
  --pink-soft: #ec82b1;
  --yellow: #ffd23d;
  --wine: #461736;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 1.0625rem/1.6 "Inter", -apple-system, system-ui, sans-serif;
}

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

.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 16px; padding: 8px 12px; background: var(--surface); z-index: 2; }

.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px; }

header.site {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #201431 0%, var(--bg) 100%);
}
header.site .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; padding-top: 18px; padding-bottom: 18px; }

.brand { display: flex; align-items: center; gap: 12px; color: var(--text); text-decoration: none; margin-right: auto; }
.brand .mark { width: 34px; height: 34px; border-radius: 50%; background: var(--pink); flex: none; }
.brand .name { font-family: "Archivo Black", sans-serif; font-size: 1.25rem; letter-spacing: 0.02em; line-height: 1.1; }
.brand .tag { display: block; font: 400 0.6875rem/1.3 "Space Mono", monospace; color: var(--muted); letter-spacing: 0.04em; }

nav.site ul { display: flex; gap: 8px; list-style: none; margin: 0; padding: 0; }
nav.site a {
  display: inline-block; min-height: 44px; padding: 10px 14px;
  font: 400 0.8125rem/1.6 "Space Mono", monospace; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--text); text-decoration: none; border: 1px solid var(--line); border-radius: 999px;
}
nav.site a[aria-current="page"] { border-color: var(--pink); background: var(--wine); }

main { padding: 36px 0 56px; }

.eyebrow { font: 400 0.75rem/1.4 "Space Mono", monospace; color: var(--pink); letter-spacing: 0.06em; text-transform: uppercase; margin: 0 0 8px; }

h1, h2 { font-family: "Archivo Black", sans-serif; font-weight: 400; line-height: 1.2; letter-spacing: 0.01em; }
h1 { font-size: clamp(1.75rem, 6vw, 2.25rem); margin: 0 0 12px; text-transform: uppercase; }
h2 { font-size: 1.2rem; margin: 40px 0 10px; text-transform: uppercase; }
h3 { font-size: 1.05rem; font-weight: 600; margin: 24px 0 6px; }

.lede { color: var(--muted); font-size: 1.125rem; margin: 0 0 8px; }
.updated { font: 400 0.8125rem/1.5 "Space Mono", monospace; color: var(--muted); }

p, li { color: var(--text); }
.muted { color: var(--muted); }
ul, ol { padding-left: 1.25rem; }
li { margin: 6px 0; }
strong { font-weight: 600; }

.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
  padding: 16px 18px; margin: 16px 0;
}
.card > :first-child { margin-top: 0; }
.card > :last-child { margin-bottom: 0; }
.card.summary { border-color: var(--pink); background: var(--wine); }

table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 0.975rem; }
th, td { text-align: left; vertical-align: top; padding: 10px 8px; border-bottom: 1px solid var(--line); }
th { font: 400 0.75rem/1.4 "Space Mono", monospace; color: var(--muted); letter-spacing: 0.04em; text-transform: uppercase; }
.table-scroll { overflow-x: auto; }

.button {
  display: inline-block; min-height: 48px; padding: 12px 20px; border-radius: 8px;
  background: var(--pink); color: var(--text); font-weight: 700; text-decoration: none;
}
.button:hover { color: var(--text); filter: brightness(1.08); }

.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* The plan comparison becomes stacked rows on narrow screens. */
@media (max-width: 600px) {
  table.plans thead { display: none; }
  table.plans tr { display: block; border-bottom: 1px solid var(--line); padding: 10px 0; }
  table.plans th[scope="row"] { display: block; border: 0; padding: 4px 0; font-size: 0.8125rem; color: var(--pink-soft); }
  table.plans td { display: grid; grid-template-columns: 7.5rem 1fr; gap: 12px; border: 0; padding: 4px 0; }
  table.plans td::before { content: attr(data-label); color: var(--muted); font: 400 0.8125rem/1.6 "Space Mono", monospace; }
}


footer.site { border-top: 1px solid var(--line); padding: 24px 0 40px; font-size: 0.9rem; color: var(--muted); }
footer.site a { color: var(--muted); }

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}