/* fable-sites shared stylesheet — per-site accent via --accent on <body> */
:root {
  --accent: #4f46e5;
  --ink: #1a1d23;
  --muted: #5b6472;
  --line: #e6e8ec;
  --bg: #ffffff;
  --bg-soft: #f6f7f9;
  --code-bg: #0f172a;
  --code-ink: #e2e8f0;
  --radius: 10px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
}
.wrap { max-width: 880px; margin: 0 auto; padding: 0 20px; }

/* header */
header.site {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}
header.site .wrap {
  display: flex; align-items: center; gap: 18px;
  min-height: 58px; flex-wrap: wrap; padding-top: 8px; padding-bottom: 8px;
  max-width: 1100px; /* header needs more room than the 880px article column: logo + nav + lang select + CTA */
}
.logo { font-weight: 800; font-size: 17px; color: var(--ink); text-decoration: none; }
.logo b { color: var(--accent); }
nav.main { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
nav.main a { color: var(--muted); text-decoration: none; font-size: 14px; }
nav.main a:hover { color: var(--accent); }
.spacer { flex: 1; }
.lang { font-size: 13px; color: var(--muted); text-decoration: none; border: 1px solid var(--line); padding: 3px 10px; border-radius: 999px; }
.lang:hover { border-color: var(--accent); color: var(--accent); }

/* buttons */
.btn {
  display: inline-block; background: var(--accent); color: #fff !important;
  padding: 9px 18px; border-radius: 8px; text-decoration: none;
  font-weight: 600; font-size: 14.5px; border: 0;
}
.btn:hover { filter: brightness(1.08); }
.btn.big { padding: 13px 26px; font-size: 16px; }
.btn.ghost { background: transparent; color: var(--accent) !important; border: 1.5px solid var(--accent); }

/* hero */
.hero { padding: 52px 0 36px; }
.hero h1 { font-size: clamp(28px, 4.6vw, 42px); line-height: 1.25; margin: 0 0 14px; letter-spacing: -0.5px; }
.hero p.lead { font-size: 18px; color: var(--muted); max-width: 700px; margin: 0 0 22px; }
.hero .cta-row { display: flex; gap: 12px; flex-wrap: wrap; }
.tag { display: inline-block; background: color-mix(in srgb, var(--accent) 10%, white); color: var(--accent); font-size: 13px; font-weight: 600; padding: 3px 12px; border-radius: 999px; margin-bottom: 16px; }

/* content */
main { padding-bottom: 56px; }
section { margin: 44px 0; }
h2 { font-size: 25px; margin: 0 0 14px; letter-spacing: -0.3px; }
h3 { font-size: 18.5px; margin: 26px 0 10px; }
p, li { color: #2c323b; }
a { color: var(--accent); }
.muted { color: var(--muted); font-size: 14px; }

/* cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; margin: 22px 0; }
.card { border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; background: var(--bg); }
.card .num { font-size: 24px; font-weight: 800; color: var(--accent); display: block; }
.card .lbl { font-size: 13px; color: var(--muted); }

/* tables */
table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 14.5px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
th { background: var(--bg-soft); font-size: 13px; color: var(--muted); font-weight: 600; }
td.win { color: var(--accent); font-weight: 700; }
.table-scroll { overflow-x: auto; }

/* callout */
.callout {
  border: 1px solid color-mix(in srgb, var(--accent) 35%, white);
  background: color-mix(in srgb, var(--accent) 6%, white);
  border-radius: var(--radius); padding: 18px 20px; margin: 22px 0;
}
.callout.warn { border-color: #f0c36d; background: #fdf6e7; }
.callout h3 { margin-top: 0; }
.callout p:last-child { margin-bottom: 0; }

/* code */
pre {
  background: var(--code-bg); color: var(--code-ink); border-radius: var(--radius);
  padding: 16px 18px; overflow-x: auto; font-size: 13.5px; line-height: 1.6;
}
code { font-family: "SF Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
p code, li code, td code {
  background: var(--bg-soft); border: 1px solid var(--line);
  padding: 1px 6px; border-radius: 5px; font-size: 13px; color: var(--ink);
}

/* faq */
.faq details { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq summary { cursor: pointer; font-weight: 600; padding: 10px 0; }

/* calculator */
.calc { border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; background: var(--bg-soft); }
.calc .row { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 14px; }
.calc label { font-size: 13.5px; color: var(--muted); display: block; margin-bottom: 4px; }
.calc input[type="number"] { width: 140px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 7px; font-size: 15px; }
.calc .result { font-size: 15px; margin-top: 10px; }
.calc .result b { font-size: 22px; color: var(--accent); }

/* footer */
footer.site { border-top: 1px solid var(--line); padding: 28px 0 40px; margin-top: 30px; }
footer.site .wrap { font-size: 13px; color: var(--muted); }
footer.site a { color: var(--muted); }
footer.site .sisters { margin-bottom: 8px; }
footer.site .sisters a { margin-right: 14px; }

/* cta band */
.cta-band {
  background: color-mix(in srgb, var(--accent) 7%, white);
  border: 1px solid color-mix(in srgb, var(--accent) 25%, white);
  border-radius: var(--radius); padding: 26px 26px; margin: 40px 0;
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
}
.cta-band .txt { flex: 1; min-width: 240px; }
.cta-band h3 { margin: 0 0 6px; }
.cta-band p { margin: 0; color: var(--muted); font-size: 14.5px; }

@media (max-width: 640px) {
  .hero { padding: 36px 0 24px; }
  nav.main { display: none; }
  header.site .wrap { gap: 8px; }
  header.site .logo { font-size: 16px; }
  header.site .btn { padding: 8px 10px; font-size: 13px; }
  .lang-select { font-size: 12.5px; padding: 4px 20px 4px 8px; background-position: right 8px center; }
}

/* compact language dropdown (replaces the row of .lang pills) */
.lang-select { font-size: 13px; color: var(--muted); border: 1px solid var(--line); padding: 4px 26px 4px 12px; border-radius: 999px; background: transparent url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="10" height="6"><path d="M1 1l4 4 4-4" stroke="%23999" stroke-width="1.5" fill="none" stroke-linecap="round"/></svg>') no-repeat right 10px center; appearance: none; -webkit-appearance: none; cursor: pointer; font-family: inherit; line-height: 1.4; }
.lang-select:hover, .lang-select:focus { border-color: var(--accent); color: var(--accent); outline: none; }
