/* Card Cabinet public pages. White and blue by default; black, gold and maroon
   when the shared "card-cabinet-theme" preference is "dark". Local files only:
   system font stacks, no network fonts. No animation. */

:root {
  --page: #f3f5f9;
  --panel: #ffffff;
  --panel-high: #eaf0f7;
  --text: #182c49;
  --muted: #4b5d75;
  --accent: #245ba3;
  --accent-strong: #17477f;
  --on-accent: #ffffff;
  --line: #d7dfe9;
  --foil: #a18147;
  --foil-line: #cdbb99;
  --display: #183450;
  --display-high: #284966;
  --focus: #2a6fb5;
  --sleeve-edge: rgba(29, 91, 191, 0.26);
  --sleeve-shine: rgba(255, 255, 255, 0.55);
  --glow: rgba(29, 91, 191, 0.26);
  --glow-2: rgba(42, 111, 181, 0.14);
  --shadow: rgba(16, 33, 60, 0.28);
  --serif: Georgia, "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --page: #100d11;
  --panel: #21191e;
  --panel-high: #302029;
  --text: #f4ecdb;
  --muted: #c1b5b3;
  --accent: #d7b778;
  --accent-strong: #efdcae;
  --on-accent: #070506;
  --line: #49303b;
  --foil: #d7b778;
  --foil-line: #735c3e;
  --display: #2c1924;
  --display-high: #482c39;
  --focus: #efdcae;
  --sleeve-edge: rgba(243, 238, 226, 0.24);
  --sleeve-shine: rgba(243, 238, 226, 0.16);
  --glow: rgba(215, 183, 120, 0.3);
  --glow-2: rgba(207, 133, 146, 0.2);
  --shadow: rgba(0, 0, 0, 0.6);
  color-scheme: dark;
}

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

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

body {
  margin: 0;
  min-width: 0;
  background: var(--page);
  background-image: radial-gradient(ellipse at 85% 0%, var(--glow-2), transparent 42%);
  color: var(--text);
  font: 16px/1.55 var(--sans);
}

img { display: block; max-width: 100%; }

a { color: var(--accent-strong); text-underline-offset: 0.18em; }
:root[data-theme="dark"] a { color: var(--accent); }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip {
  position: absolute;
  left: 12px;
  top: -60px;
  padding: 10px 14px;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 10px;
  z-index: 10;
}
.skip:focus { top: 12px; }

.wrap {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* Top navigation: product name, cabinet, download, theme. */
.top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
  padding-top: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  color: var(--text);
  text-decoration: none;
  font: 400 1.4rem/1.2 var(--serif);
  letter-spacing: 0.01em;
}
:root[data-theme="dark"] .brand { color: var(--text); }
.brand-mark {
  display: inline-flex;
  width: 42px;
  height: 42px;
  flex: none;
}
.brand-mark img { width: 100%; height: 100%; object-fit: contain; }
.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.nav a, .theme-toggle {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 12px;
  border-radius: 10px;
  color: var(--text);
  font: 600 0.95rem/1 var(--sans);
  text-decoration: none;
}
.nav a:hover { background: var(--panel-high); }
.nav a[aria-current="page"] { text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 2px; }
.theme-toggle {
  gap: 8px;
  border: 1px solid var(--line);
  background: var(--panel);
  cursor: pointer;
}
.theme-toggle[hidden] { display: none; }
.theme-toggle .switch {
  position: relative;
  width: 30px;
  height: 18px;
  border-radius: 9px;
  background: var(--panel-high);
  border: 1px solid var(--line);
  flex: none;
}
.theme-toggle .switch::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--muted);
}
.theme-toggle[aria-pressed="true"] .switch { background: var(--accent); border-color: var(--accent); }
.theme-toggle[aria-pressed="true"] .switch::after { left: 14px; background: var(--on-accent); }

/* Buttons */
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.actions-tight { margin-top: 0; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 11px;
  border: 1px solid transparent;
  font: 700 1rem/1.2 var(--sans);
  text-decoration: none;
  text-align: center;
}
.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
  box-shadow: 0 1px 0 rgba(255,255,255,.15) inset, 0 5px 14px -5px var(--glow);
}
:root[data-theme="dark"] .btn-primary { color: var(--on-accent); }
.btn-primary:hover { background: var(--accent-strong); }
.btn-secondary {
  background: var(--panel);
  color: var(--text);
  border-color: var(--line);
}
:root[data-theme="dark"] .btn-secondary { color: var(--text); }
.btn-secondary:hover { border-color: var(--accent); }

/* Opening: text and actions first; a fan of the three sample cards. */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: center;
  padding-top: 36px;
  padding-bottom: 42px;
}
.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font: 700 0.78rem/1.2 var(--sans);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
h1, h2 {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.035em;
  margin: 0;
}
h1 { font-size: clamp(2.3rem, 1.6rem + 3.4vw, 4rem); line-height: 1.06; }
.hero h1 { font-size: clamp(2.85rem, 1.9rem + 3.5vw, 4.9rem); max-width: 9ch; line-height: 1.04; }
h2 { font-size: clamp(1.45rem, 1.2rem + 1vw, 1.9rem); line-height: 1.2; }
.lede {
  max-width: 34rem;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.8;
}
.collector-line { display: flex; align-items: center; gap: 10px; margin: 24px 0 0; color: var(--muted); font: italic .9rem/1.6 var(--serif); }
.collector-line span { color: var(--foil); font-style: normal; }

.fan {
  position: relative;
  width: 100%;
  max-width: 440px;
  margin: 0 auto;
  aspect-ratio: 1 / 0.8;
  isolation: isolate;
}
.fan::before {
  /* A cloth-covered display folio behind the actual sample sleeves. */
  content: "";
  position: absolute;
  inset: 3% 1% 11%;
  border-radius: 24px;
  background: radial-gradient(ellipse at 55% 25%, var(--display-high), transparent 70%), repeating-linear-gradient(100deg, transparent 0 3px, rgba(255,255,255,.025) 3px 4px), var(--display);
  border: 1px solid var(--foil-line);
  box-shadow: 0 20px 35px -22px var(--shadow);
  z-index: -2;
}
.fan::after { content: ""; position: absolute; inset: 6% 4% 14%; border: 1px solid rgba(224,202,159,.3); border-radius: 16px; pointer-events: none; z-index: -1; }
.sleeve {
  position: absolute;
  top: 9%;
  left: 30%;
  width: 40%;
  aspect-ratio: 63 / 88;
  margin: 0;
  padding: 4px;
  border-radius: 12px;
  background: var(--sleeve-shine);
  box-shadow:
    0 0 0 1px var(--sleeve-edge),
    0 16px 28px -14px var(--shadow),
    0 0 22px -4px var(--glow);
}
.sleeve img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
}
.sleeve::after {
  /* Fine sleeve edge and a faint sheen across the plastic. */
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 12px;
  border: 1px solid var(--sleeve-edge);
  background: linear-gradient(125deg, var(--sleeve-shine), transparent 32%, transparent 70%, var(--sleeve-shine));
  opacity: 0.55;
  pointer-events: none;
}
.sleeve-left { transform: translate(-64%, 7%) rotate(-9deg); }
.sleeve-right { transform: translate(64%, 7%) rotate(9deg); }
.sleeve-middle { z-index: 1; }
.fan-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: .025em;
}

/* Feature line */
.features {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 24px;
  margin: 0;
  padding: 28px 0;
  list-style: none;
  border-top: 1px solid var(--foil-line);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
  counter-reset: features;
}
.features li { display: inline-flex; align-items: center; gap: 10px; flex: 1 1 175px; counter-increment: features; }
.features li::before {
  content: counter(features, decimal-leading-zero);
  color: var(--foil);
  font: italic 1rem/1 var(--serif);
  flex: none;
}

/* Android section and download page */
.band { padding: 36px 0 44px; }
.panel {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--panel);
  box-shadow: 0 6px 24px -16px var(--shadow);
}
.panel p { margin: 10px 0 0; color: var(--muted); }
.panel p strong { color: var(--text); }
.split { display: grid; grid-template-columns: minmax(0, 1fr); gap: 22px; align-items: start; }
.note {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--panel-high);
  color: var(--text);
}
.facts {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 6px 16px;
  margin: 18px 0 0;
}
.facts dt { color: var(--muted); }
.facts dd { margin: 0; overflow-wrap: anywhere; }
details { margin-top: 14px; }
summary { cursor: pointer; min-height: 44px; display: flex; align-items: center; font-weight: 600; }
code {
  font: 0.88rem/1.5 ui-monospace, "Cascadia Mono", Consolas, "Courier New", monospace;
  overflow-wrap: anywhere;
}
.steps { margin: 12px 0 0; padding-left: 1.3rem; color: var(--muted); }
.steps li { margin-top: 8px; }
.page-head { padding: 28px 0 8px; }
.page-head h1 { padding-top: 10px; }
.page-head p { color: var(--muted); max-width: 40rem; margin: 12px 0 0; }

footer {
  padding: 26px 0 36px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}
footer p { margin: 0; }
.footer-links { display: flex; flex-wrap: wrap; gap: 0 18px; margin: 6px 0 0; padding: 0; list-style: none; }
.footer-links a { display: inline-flex; align-items: center; min-height: 44px; color: var(--muted); }
.footer-links a:hover, .footer-links a[aria-current] { color: var(--text); }
.panel h2 + .steps, .panel h2 + p { margin-top: 10px; }
.panel a { overflow-wrap: anywhere; }

@media (min-width: 820px) {
  .hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 40px;
    padding-top: 64px;
    padding-bottom: 72px;
  }
  .fan { max-width: 470px; }
  .split { grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 32px; }
}

@media (max-width: 359px) {
  .wrap { padding-left: 14px; padding-right: 14px; }
  .nav a, .theme-toggle { padding: 0 9px; }
  .btn { width: 100%; }
  .panel { padding: 18px; }
  .facts { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .facts dd { margin-bottom: 8px; }
}

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

.stack > * + * { margin-top: 22px; }
.small-link { flex-basis: 100%; margin: 4px 0 0; }
.small-link a { display: inline-flex; align-items: center; min-height: 44px; }