/* Convexy — shared styling for legal / support / 404 pages.
   Same design tokens as the landing page (warm paper, clay accent, IBM Plex). */

:root{
  --bg:#f4ede1; --bg2:#efe7d9; --card:#fdf9f1; --card2:#f7f0e4; --ink:#241d14;
  --sub:rgba(36,29,20,.58); --faint:rgba(36,29,20,.36); --line:rgba(36,29,20,.10);
  --sig:oklch(0.55 0.13 42); --sig-ink:#fff; --sig-soft:color-mix(in oklab, oklch(0.55 0.13 42) 12%, transparent);
  --good:oklch(0.52 0.13 150);
  --mono:'IBM Plex Mono',ui-monospace,monospace; --sans:'IBM Plex Sans',system-ui,sans-serif;
  --maxw:720px;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#141009; --bg2:#100c06; --card:#262019; --card2:#332b22; --ink:#f4ece1;
    --sub:rgba(244,236,225,.58); --faint:rgba(244,236,225,.36); --line:rgba(244,236,225,.14);
    --sig:oklch(0.70 0.13 46); --sig-ink:#141009; --sig-soft:color-mix(in oklab, oklch(0.70 0.13 46) 20%, transparent);
    --good:oklch(0.74 0.13 150);
  }
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--ink);font-family:var(--sans);
  -webkit-font-smoothing:antialiased;line-height:1.7;font-size:17px;
  min-height:100vh;display:flex;flex-direction:column;
}
a{color:var(--sig);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:2px}
:focus-visible{outline:2px solid var(--sig);outline-offset:2px;border-radius:6px}
.mono{font-family:var(--mono)}

/* Top bar */
header.bar{position:sticky;top:0;z-index:40;backdrop-filter:saturate(1.2) blur(14px);background:color-mix(in oklab,var(--bg) 82%,transparent);border-bottom:1px solid var(--line)}
.bar-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;height:60px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:-0.02em;color:var(--ink)}
.brand:hover{text-decoration:none}
.bar a.back{color:var(--sub);font-size:14.5px;font-weight:500}
.bar a.back:hover{color:var(--ink);text-decoration:none}

main{max-width:var(--maxw);margin:0 auto;padding:48px 24px 88px;width:100%;flex:1}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--sig);font-weight:600;margin-bottom:14px}
h1{font-size:clamp(30px,5vw,40px);font-weight:700;letter-spacing:-0.025em;line-height:1.08;margin-bottom:10px}
.updated{font-family:var(--mono);color:var(--sub);font-size:13px;margin-bottom:36px}
.lead{color:var(--sub);font-size:1.05rem;margin-bottom:28px}
h2{font-size:1.3rem;font-weight:700;letter-spacing:-0.01em;margin-top:36px;margin-bottom:12px}
p,ul{margin-bottom:16px}
ul{padding-left:22px}
li{margin-bottom:7px}
code{font-family:var(--mono);font-size:.9em;background:var(--card2);border:1px solid var(--line);border-radius:6px;padding:1px 6px}

/* Cards */
.highlight{background:var(--sig-soft);border:1px solid color-mix(in oklab,var(--sig) 35%,transparent);border-radius:16px;padding:20px 22px;margin:24px 0}
.highlight p{margin-bottom:0}
.contact-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px;margin:24px 0;text-align:center;box-shadow:0 6px 22px rgba(36,29,20,.06)}
.contact-card p{margin-bottom:6px;color:var(--sub)}
.contact-card a{font-size:1.15rem;font-weight:600}

/* FAQ */
details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin-bottom:12px}
details[open]{box-shadow:0 6px 22px rgba(36,29,20,.06)}
summary{font-weight:600;cursor:pointer;padding:4px 0;list-style:none}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";float:right;color:var(--sig);font-family:var(--mono);font-weight:600}
details[open] summary::after{content:"–"}
details p{margin-top:12px;color:var(--sub);margin-bottom:0}
details p+p{margin-top:10px}

/* 404 */
.center{text-align:center;max-width:520px;margin:40px auto 0}
.center .code{font-family:var(--mono);font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--sub);margin-bottom:14px}
.center p{color:var(--sub);margin:0 auto 30px}
.actions{display:inline-flex;gap:12px;flex-wrap:wrap;justify-content:center}
.btn{display:inline-flex;align-items:center;justify-content:center;font-family:var(--sans);font-weight:600;font-size:14.5px;border-radius:13px;padding:12px 22px;border:1px solid transparent}
.btn-sig{background:var(--sig);color:var(--sig-ink)}
.btn-ghost{background:var(--card);color:var(--ink);border-color:var(--line)}
.btn:hover{text-decoration:none}

/* Footer */
footer{border-top:1px solid var(--line);background:var(--bg2)}
.foot{max-width:var(--maxw);margin:0 auto;padding:26px 24px;display:flex;justify-content:space-between;align-items:center;gap:14px 24px;flex-wrap:wrap}
.foot .links{display:flex;gap:22px;font-size:14px;color:var(--sub);flex-wrap:wrap}
.foot .links a{color:var(--sub)}
.foot .links a:hover{color:var(--ink)}
.foot .copy{font-family:var(--mono);font-size:12.5px;color:var(--faint);white-space:nowrap}