/* My Quant Journey, seo.css
   Shared styles for the static landing pages (served over http for crawlers and
   direct visitors; the app itself uses style.css). Theme-aware, self-contained,
   no dependency on the app's JS. Relative paths only, so it works at any subpath. */

:root {
  --bg: #0b0e15;
  --panel: #131926;
  --panel-2: #0f141f;
  --ink: #e6eaf2;
  --dim: #97a0b5;
  --line: rgba(255, 255, 255, 0.09);
  --amber: #f2b63c;
  --green: #2fd48c;
  --red: #ff5c77;
  --accent: var(--amber);
  --radius: 14px;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f4ee;
    --panel: #fffdf8;
    --panel-2: #f1ede3;
    --ink: #1b2130;
    --dim: #5c6579;
    --line: rgba(20, 25, 40, 0.12);
    --amber: #b9791a;
    --green: #1e9c63;
    --red: #d23a56;
  }
}
:root[data-theme="light"] {
  --bg: #f6f4ee; --panel: #fffdf8; --panel-2: #f1ede3; --ink: #1b2130;
  --dim: #5c6579; --line: rgba(20, 25, 40, 0.12);
  --amber: #b9791a; --green: #1e9c63; --red: #d23a56;
}
:root[data-theme="dark"] {
  --bg: #0b0e15; --panel: #131926; --panel-2: #0f141f; --ink: #e6eaf2;
  --dim: #97a0b5; --line: rgba(255, 255, 255, 0.09);
  --amber: #f2b63c; --green: #2fd48c; --red: #ff5c77;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.62;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }

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

/* header */
.site-head {
  border-bottom: 1px solid var(--line);
  background: var(--panel-2);
}
.site-head .wrap {
  display: flex; align-items: center; gap: 12px;
  padding-top: 14px; padding-bottom: 14px; flex-wrap: wrap;
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand svg { width: 26px; height: 26px; display: block; }
.brand span { font-size: 16px; letter-spacing: 0.2px; }
.site-head nav { margin-left: auto; display: flex; gap: 16px; flex-wrap: wrap; font-size: 14px; }
.site-head nav a { color: var(--dim); }
.site-head nav a:hover { color: var(--ink); }

/* hero */
main { padding: 44px 0 8px; }
.eyebrow {
  font-family: var(--mono); font-size: 12px; letter-spacing: 2px;
  text-transform: uppercase; color: var(--accent); margin-bottom: 12px;
}
h1 { font-size: clamp(28px, 5vw, 40px); line-height: 1.14; margin: 0 0 16px; letter-spacing: -0.5px; }
.lead { font-size: 19px; color: var(--dim); margin: 0 0 28px; }
h2 { font-size: 23px; margin: 40px 0 12px; letter-spacing: -0.3px; }
h3 { font-size: 17px; margin: 26px 0 8px; }
p { margin: 0 0 16px; }
ul, ol { padding-left: 22px; margin: 0 0 16px; }
li { margin: 6px 0; }
strong, b { color: var(--ink); }

/* cards + example Q/A */
.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px 22px; margin: 18px 0;
}
.qa { border-left: 3px solid var(--accent); padding-left: 16px; margin: 20px 0; }
.qa .q { font-weight: 600; margin-bottom: 6px; }
.qa .a { color: var(--dim); }
.qa .a b { color: var(--ink); }
.mono { font-family: var(--mono); }
code { font-family: var(--mono); font-size: 0.92em; background: var(--panel-2); padding: 1px 5px; border-radius: 5px; }

/* CTA */
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin: 28px 0 8px; }
.btn {
  display: inline-block; background: var(--accent); color: #0b0e15;
  font-weight: 700; padding: 12px 22px; border-radius: 10px; font-size: 16px;
}
.btn:hover { text-decoration: none; filter: brightness(1.06); }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }

/* desk grid (internal links) */
.desks { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 12px; margin: 16px 0; }
.desks a {
  display: block; background: var(--panel); border: 1px solid var(--line);
  border-radius: 12px; padding: 14px 16px; color: var(--ink);
}
.desks a:hover { text-decoration: none; border-color: var(--accent); }
.desks a b { display: block; margin-bottom: 2px; }
.desks a span { font-size: 14px; color: var(--dim); }

/* footer */
.site-foot {
  border-top: 1px solid var(--line); margin-top: 48px;
  padding: 26px 0 40px; color: var(--dim); font-size: 14px;
}
.site-foot .wrap { display: flex; flex-direction: column; gap: 8px; }
.site-foot a { color: var(--dim); }
.site-foot a:hover { color: var(--ink); }
.site-foot .links { display: flex; gap: 14px; flex-wrap: wrap; }

.dim { color: var(--dim); }
hr { border: none; border-top: 1px solid var(--line); margin: 32px 0; }