/* Upscaly — shared site styling.
   Tokens lifted directly from the apps' own design system so the site and the
   product read as one thing: warm near-black ground, crimson accent, Archivo
   for voice, Martian Mono for the instrument labels. */

:root {
  --ink: #0b0a09;
  --ink-raised: #131110;
  --ink-stripe: #171514;
  --paper: #f2f0ed;
  --muted: #a49c92;
  --faint: #6b655e;
  --dim: #55504a;
  --line: #26221e;
  --line-soft: #1c1917;
  --crimson: #a80b24;
  --crimson-lift: #e0566a;
  --crimson-glow: rgba(168, 11, 36, 0.18);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: 'Archivo', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.55;
  overflow-x: hidden;
}

/* The app's own backdrop: fine diagonal hairline stripes over near-black. */
.stripe-ground {
  background-image: repeating-linear-gradient(
    115deg,
    var(--ink-stripe) 0 13px,
    var(--ink) 13px 26px
  );
}

.mono {
  font-family: 'Martian Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow {
  font-family: 'Martian Mono', ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--faint);
}

h1, h2, h3 {
  letter-spacing: -0.032em;
  text-wrap: balance;
  margin: 0;
  font-weight: 800;
}

a { color: inherit; }

::selection {
  background: var(--crimson);
  color: var(--paper);
}

:focus-visible {
  outline: 2px solid var(--crimson-lift);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ── the comparison slider: the product's own core interaction, on the web ── */

.compare {
  position: relative;
  overflow: hidden;
  touch-action: none;
  cursor: ew-resize;
  user-select: none;
  -webkit-user-select: none;
}

.compare img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
}

.compare .before-layer {
  position: absolute;
  inset: 0;
  overflow: hidden;
  will-change: clip-path;
}

.compare .divider {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(242, 240, 237, 0.6);
  pointer-events: none;
  will-change: left;
}

.compare .knob {
  position: absolute;
  top: 50%;
  width: 46px;
  height: 46px;
  margin-top: -23px;
  margin-left: -23px;
  border-radius: 999px;
  background: rgba(11, 10, 9, 0.9);
  border: 1px solid rgba(242, 240, 237, 0.25);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.55);
  will-change: left;
}

.compare .tag {
  position: absolute;
  bottom: 12px;
  font-family: 'Martian Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.95);
  pointer-events: none;
}

/* ── scroll reveal ── */

/* Progressive enhancement: content is visible by default and only starts
   hidden once JS has confirmed it can reveal it again. A broken observer,
   a JS error, or a bot without scripting then still gets a readable page
   instead of a blank one. */
.reveal {
  opacity: 1;
  transform: none;
}

html.js-reveal .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

html.js-reveal .reveal.in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ── prose, for the policy pages ── */

.prose {
  max-width: 68ch;
}

.prose h2 {
  font-size: 15px;
  font-family: 'Martian Mono', monospace;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--crimson-lift);
  margin: 44px 0 14px;
}

.prose h2:first-of-type { margin-top: 0; }

.prose p {
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.75;
  margin: 0 0 16px;
}

.prose strong { color: var(--paper); font-weight: 600; }

.prose ul {
  margin: 0 0 16px;
  padding-left: 18px;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.75;
}

.prose li { margin-bottom: 9px; }

.prose a {
  color: var(--crimson-lift);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(224, 86, 106, 0.4);
}

.prose a:hover { text-decoration-color: var(--crimson-lift); }