/* CopyDown website — matches the app: pink #FC6C85, green #89F336, dark gray #4A4A4A,
   mint #ADEBB3, Fredoka for display text, the system font for body text. No external requests. */

@font-face {
  font-family: "Fredoka";
  src: url("/assets/Fredoka-Variable.ttf") format("truetype");
  font-weight: 300 700;
  font-display: swap;
}

:root {
  --pink: #fc6c85;
  --pink-text: #c8304e;
  --pink-soft: rgba(252, 108, 133, 0.12);
  --green: #89f336;
  --mint: #adebb3;
  --gray: #4a4a4a;
  --bg: #fbfbfc;
  --surface: #ffffff;
  --track: #f1f1f4;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --hairline: rgba(0, 0, 0, 0.08);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06);
  --radius: 14px;
  --display: "Fredoka", ui-rounded, -apple-system, BlinkMacSystemFont, sans-serif;
  --body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --pink-text: #ff8fa3;
    --pink-soft: rgba(252, 108, 133, 0.16);
    --bg: #161618;
    --surface: #1f1f22;
    --track: #2a2a2e;
    --text: #f5f5f7;
    --muted: #a1a1a6;
    --hairline: rgba(255, 255, 255, 0.1);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--pink-text); text-decoration: none; }
a:hover { text-decoration: underline; }

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

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 24px; }
.wrap.narrow { max-width: 760px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--hairline);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand:hover { text-decoration: none; }
.brand .mark { height: 28px; width: auto; }
.brand .word { height: 22px; width: auto; }
.nav { display: flex; gap: 22px; font-size: 15px; }
.nav a { color: var(--muted); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); text-decoration: none; }

/* Light/dark artwork swap */
.only-dark { display: none; }
@media (prefers-color-scheme: dark) {
  .only-light { display: none; }
  .only-dark { display: block; }
}

/* Hero */
.hero { text-align: center; padding: 72px 0 56px; }
.hero .icon { width: 132px; height: 132px; margin: 0 auto 20px; }
.hero h1 {
  font: 600 clamp(40px, 7vw, 64px)/1.05 var(--display);
  letter-spacing: -0.01em; margin: 0 0 16px;
}
.hero h1 .accent { color: var(--pink); }
.hero p.lede { font-size: clamp(17px, 2.2vw, 20px); color: var(--muted); max-width: 620px; margin: 0 auto 28px; }
.cta-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; align-items: center; }
.button {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 20px; border-radius: 12px; font-weight: 600; font-size: 15px;
  border: 1px solid transparent;
}
.button.primary { background: var(--pink); color: #333; }
.button.primary:hover { text-decoration: none; filter: brightness(1.04); }
.button.secondary { background: var(--track); color: var(--text); }
.button.secondary:hover { text-decoration: none; }
.button[aria-disabled="true"] { background: transparent; color: var(--muted); border: 1px dashed var(--hairline); border-color: color-mix(in srgb, var(--muted) 45%, transparent); cursor: default; }
.small-note { font-size: 13px; color: var(--muted); margin-top: 12px; }

/* Keycaps */
kbd {
  display: inline-block; min-width: 1.6em; padding: 1px 6px; margin: 0 1px;
  font: 600 0.82em/1.5 var(--body); text-align: center; color: var(--text);
  background: var(--surface); border: 1px solid var(--hairline); border-bottom-width: 2px;
  border-radius: 6px; white-space: nowrap;
}

/* How it works */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 8px 0 72px; }
.step { background: var(--surface); border: 1px solid var(--hairline); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.step .n {
  display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 50%;
  background: var(--pink); color: #333; font: 700 14px var(--display); margin-bottom: 10px;
}
.step p { margin: 0; font-size: 15px; }

/* Sections */
section { padding: 8px 0 64px; }
h2 { font: 600 clamp(28px, 4vw, 36px)/1.15 var(--display); margin: 0 0 10px; text-align: center; }
.section-lede { text-align: center; color: var(--muted); max-width: 600px; margin: 0 auto 32px; }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; }
.feature { background: var(--surface); border: 1px solid var(--hairline); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.feature .glyph {
  width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center;
  background: var(--pink-soft); color: var(--pink-text); font: 700 17px var(--display); margin-bottom: 12px;
}
.feature h3 { margin: 0 0 6px; font-size: 17px; }
.feature p { margin: 0; color: var(--muted); font-size: 15px; }

/* Privacy band */
.privacy-band {
  background: var(--surface); border: 1px solid var(--hairline); border-radius: 20px; box-shadow: var(--shadow);
  padding: 36px; display: grid; grid-template-columns: 1.1fr 1fr; gap: 28px; align-items: center;
}
.privacy-band h2 { text-align: left; }
.privacy-band ul { margin: 0; padding: 0; list-style: none; }
.privacy-band li { padding: 7px 0 7px 28px; position: relative; }
.privacy-band li::before {
  content: ""; position: absolute; left: 4px; top: 14px; width: 12px; height: 7px;
  border-left: 2.5px solid #3f9a1f; border-bottom: 2.5px solid #3f9a1f; transform: rotate(-45deg);
}
@media (prefers-color-scheme: dark) { .privacy-band li::before { border-color: var(--green); } }

/* Docs pages (support, privacy) */
.doc { padding: 48px 0 72px; }
.doc h1 { font: 600 clamp(34px, 5vw, 46px)/1.1 var(--display); margin: 0 0 8px; }
.doc .meta { color: var(--muted); margin: 0 0 28px; }
.doc h2 { text-align: left; font-size: 26px; margin: 44px 0 10px; scroll-margin-top: 80px; }
.doc h3 { font-size: 18px; margin: 24px 0 6px; }
.doc p, .doc li { font-size: 16px; }
.doc ul, .doc ol { padding-left: 22px; }
.doc li { margin: 4px 0; }
.toc { background: var(--surface); border: 1px solid var(--hairline); border-radius: var(--radius); padding: 16px 20px; margin-bottom: 8px; }
.toc ol { columns: 2; column-gap: 32px; margin: 0; padding-left: 20px; }
.callout { background: var(--pink-soft); border-radius: 12px; padding: 14px 18px; margin: 16px 0; }

table { width: 100%; border-collapse: collapse; margin: 12px 0 8px; font-size: 15px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--hairline); vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); background: var(--pink-soft); }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* Footer */
.site-footer { border-top: 1px solid var(--hairline); padding: 28px 0 40px; color: var(--muted); font-size: 14px; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; }
.site-footer nav { display: flex; gap: 18px; flex-wrap: wrap; }
.site-footer a { color: var(--muted); }

/* Phones */
@media (max-width: 760px) {
  .wrap { padding: 0 16px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .privacy-band { grid-template-columns: 1fr; padding: 24px; }
  .toc ol { columns: 1; }
  .nav { gap: 16px; }
  .brand .word { height: 18px; }
  .hero { padding: 48px 0 40px; }
}
@media (max-width: 420px) {
  .steps { grid-template-columns: 1fr; }
}