/* ==========================================================================
   Pretty Apps — shared stylesheet
   Pure CSS, no build step. System font stacks only.
   ========================================================================== */

:root {
  --font: ui-rounded, -apple-system, BlinkMacSystemFont, "SF Pro Rounded", "SF Pro Text",
          "Helvetica Neue", "Segoe UI", Roboto, system-ui, sans-serif;

  --bg: #ece6f6;
  --ink: #2b2140;
  --ink-soft: #55476e;
  --ink-muted: #7d7094;
  --accent: #8a4dc4;
  --accent-deep: #6b3a9e;

  --glass: rgba(255, 255, 255, 0.52);
  --glass-strong: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.75);
  --glass-shadow: 0 18px 50px -20px rgba(74, 40, 120, 0.35);

  --blob-1: #c6a6f2;
  --blob-2: #f2b8e6;
  --blob-3: #a9b8f5;
  --blob-4: #e7c8f7;

  --radius: 28px;
  --radius-sm: 18px;
  --max: 1100px;
  --pad: clamp(20px, 5vw, 48px);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1327;
    --ink: #f1eaf9;
    --ink-soft: #cdbfe0;
    --ink-muted: #9f90b8;
    --accent: #c99cf3;
    --accent-deep: #e2c6ff;

    --glass: rgba(255, 255, 255, 0.07);
    --glass-strong: rgba(255, 255, 255, 0.11);
    --glass-border: rgba(255, 255, 255, 0.16);
    --glass-shadow: 0 18px 50px -20px rgba(0, 0, 0, 0.6);

    --blob-1: #5a3a92;
    --blob-2: #7a3a80;
    --blob-3: #3a3f8c;
    --blob-4: #4c2f75;
  }
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */

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

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

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Soft mesh gradient, painted once behind everything and slowly drifting. */
.mesh {
  position: fixed;
  inset: -20vmax;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(38% 42% at 18% 22%, var(--blob-1) 0%, transparent 70%),
    radial-gradient(34% 38% at 82% 18%, var(--blob-2) 0%, transparent 70%),
    radial-gradient(40% 44% at 76% 80%, var(--blob-3) 0%, transparent 70%),
    radial-gradient(36% 40% at 22% 84%, var(--blob-4) 0%, transparent 70%),
    var(--bg);
  filter: blur(40px) saturate(1.05);
  animation: drift 28s ease-in-out infinite alternate;
  will-change: transform;
}

@keyframes drift {
  0%   { transform: translate3d(0, 0, 0) scale(1) rotate(0deg); }
  50%  { transform: translate3d(2vmax, -1.5vmax, 0) scale(1.06) rotate(2deg); }
  100% { transform: translate3d(-2vmax, 1.5vmax, 0) scale(1.03) rotate(-2deg); }
}

@media (prefers-reduced-motion: reduce) {
  .mesh { animation: none !important; }
  html { scroll-behavior: auto; }
}

h1, h2 {
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin: 0 0 0.4em;
}

p { margin: 0 0 1em; }
a { color: var(--accent-deep); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

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

.wrap {
  width: min(100% - 2 * var(--pad), var(--max));
  margin-inline: auto;
}

.glass {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--glass-shadow);
  -webkit-backdrop-filter: blur(22px) saturate(1.3);
  backdrop-filter: blur(22px) saturate(1.3);
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */

.site-header { padding: 22px 0 0; }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  color: var(--ink);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.brand:hover { text-decoration: none; }

.nav__link {
  padding: 0.5em 1em;
  border-radius: 999px;
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 0.95rem;
  transition: background 0.2s ease, color 0.2s ease;
}
.nav__link:hover,
.nav__link[aria-current="page"] {
  color: var(--ink);
  background: var(--glass-strong);
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   Hero (home)
   -------------------------------------------------------------------------- */

.hero {
  flex: 1;
  display: grid;
  place-items: center;
  padding: clamp(40px, 8vh, 96px) 0;
}

.hero__inner {
  max-width: 40rem;
  text-align: center;
}

.hero__kicker {
  margin: 0 0 14px;
  font-size: clamp(0.95rem, 1.6vw, 1.1rem);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--ink-muted);
}

.hero__title {
  font-size: clamp(3.2rem, 11vw, 6.2rem);
  font-weight: 200;
  letter-spacing: -0.04em;
  margin: 0 0 0.3em;
}

.lede {
  font-size: clamp(1.1rem, 2.2vw, 1.3rem);
  color: var(--ink-soft);
  max-width: 30ch;
  margin: 0 auto 34px;
}

.hero__note {
  margin: 16px 0 0;
  font-size: 0.92rem;
  color: var(--ink-muted);
}

/* App Store badge — swap href on #app-store-link when the app is live. */
.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 13px 24px 13px 18px;
  border-radius: 16px;
  color: #fff;
  background: #1a1523;
  border: 1px solid rgba(255, 255, 255, 0.12);
  line-height: 1.1;
  box-shadow: 0 14px 34px -14px rgba(40, 20, 70, 0.55);
  transition: transform 0.2s ease;
}
.store-badge:hover { text-decoration: none; transform: translateY(-1px); }
.store-badge svg { width: 26px; height: 26px; }
.store-badge__text { display: flex; flex-direction: column; gap: 2px; text-align: left; }
.store-badge__small { font-size: 0.72rem; opacity: 0.75; letter-spacing: 0.02em; }
.store-badge__big { font-size: 1.2rem; font-weight: 600; letter-spacing: -0.01em; }
.store-badge[aria-disabled="true"] { cursor: default; }
.store-badge[aria-disabled="true"]:hover { transform: none; }

@media (prefers-color-scheme: dark) {
  .store-badge { background: #f4edfb; color: #1a1327; border-color: transparent; }
}

/* --------------------------------------------------------------------------
   Pills
   -------------------------------------------------------------------------- */

.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.7em 1.35em;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.pill:hover { text-decoration: none; transform: translateY(-1px); }

.pill--primary {
  color: #fff;
  background: linear-gradient(135deg, #7d4ca8, #c357d8);
  box-shadow: 0 10px 28px -10px rgba(140, 70, 190, 0.7);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.site-footer { padding: 0 0 28px; }

.footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 28px;
  padding-top: 18px;
  border-top: 1px solid var(--glass-border);
  font-size: 0.92rem;
  color: var(--ink-muted);
}
.footer__links { display: flex; flex-wrap: wrap; gap: 6px 22px; }
.footer__links a { color: var(--ink-soft); }
.footer__made { margin: 0 0 0 auto; }

@media (max-width: 600px) {
  .footer { flex-direction: column; align-items: flex-start; gap: 10px; }
  .footer__made { margin-left: 0; }
}

/* --------------------------------------------------------------------------
   Document pages (privacy, 404)
   -------------------------------------------------------------------------- */

.page {
  flex: 1;
  width: min(100% - 2 * var(--pad), var(--max));
  margin-inline: auto;
}

.doc {
  max-width: 72ch;
  margin: clamp(28px, 5vw, 56px) auto clamp(36px, 6vw, 72px);
  padding: clamp(28px, 5vw, 56px);
}
.doc h1 {
  font-size: clamp(2.2rem, 6vw, 3.4rem);
  margin-bottom: 0.2em;
}
.doc h2 {
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 2em 0 0.6em;
}
.doc p, .doc li { color: var(--ink-soft); }
.doc ul { padding-left: 1.2em; }
.doc li { margin-bottom: 0.4em; }
.doc strong { color: var(--ink); font-weight: 600; }
.doc__meta {
  color: var(--ink-muted);
  font-size: 0.95rem;
  margin-bottom: 1.8em;
}

.toc {
  padding: 18px 22px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.4);
  border: 1px solid var(--glass-border);
  margin: 0 0 1.5em;
}
@media (prefers-color-scheme: dark) { .toc { background: rgba(255,255,255,0.06); } }
.toc strong {
  display: block;
  margin-bottom: 8px;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.toc ol { margin: 0; padding-left: 1.3em; columns: 2; column-gap: 24px; }
.toc li { margin: 0 0 0.3em; break-inside: avoid; }
@media (max-width: 520px) { .toc ol { columns: 1; } }

.summary {
  padding: 20px 24px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(125, 76, 168, 0.14), rgba(195, 87, 216, 0.16));
  border: 1px solid var(--glass-border);
  margin: 0 0 1.5em;
}
.summary p { margin: 0; color: var(--ink); }

/* 404 */
.notfound {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
}
.notfound__code {
  font-size: clamp(4rem, 12vw, 6rem);
  font-weight: 200;
  letter-spacing: -0.04em;
  line-height: 1;
  margin: 0 0 8px;
  background: linear-gradient(135deg, #7d4ca8, #c357d8);
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
}