/* Shared styles for the sub-pages (privacy-policy, thank-you).
   Tokens are the same set index.html defines inline — keep them in step if that
   file's palette moves. index.html stays self-contained on purpose; these pages
   are plain enough to share one sheet. */

:root{
  --paper:#fdfdfe;
  --paper-2:#f5f7fc;
  --paper-3:#edf1fa;
  --navy:#0b1440;
  --muted:#525f8a;
  --dim:#6e7899;
  --accent:#2846c4;
  --line:rgba(11,20,64,.10);
  --line-strong:rgba(11,20,64,.19);
  --shadow-sm:0 1px 2px rgba(11,20,64,.05),0 8px 24px -18px rgba(11,20,64,.35);
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--navy);
  font-family:var(--sans);font-size:17px;line-height:1.7;
  font-weight:400;letter-spacing:-.011em;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--navy)}
::selection{background:rgba(40,70,196,.16)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- shell ---------- */
.wrap{width:100%;max-width:680px;margin:0 auto;padding:0 24px}
header{border-bottom:1px solid var(--line);background:var(--paper)}
.nav-in{display:flex;align-items:center;gap:1.5rem;height:66px}
.brand{font-weight:600;font-size:1.09rem;letter-spacing:-.03em;color:var(--navy)}
.brand:hover{color:var(--accent)}
.nav-in .back{margin-left:auto;color:var(--muted);font-size:.925rem}
.nav-in .back:hover{color:var(--navy)}
main{padding:clamp(3rem,9vh,5.5rem) 0 5rem}

/* ---------- type ---------- */
h1{font-size:clamp(2rem,5vw,2.7rem);font-weight:600;letter-spacing:-.035em;line-height:1.1;margin:0 0 .6rem}
h2{font-size:1.16rem;font-weight:600;letter-spacing:-.02em;line-height:1.35;margin:2.8rem 0 .7rem;color:var(--navy)}
h3{font-size:1rem;font-weight:600;letter-spacing:-.015em;margin:1.8rem 0 .6rem;color:var(--navy)}
p{margin:0 0 1.05rem;color:var(--muted)}
strong{color:var(--navy);font-weight:600}
ul{margin:0 0 1.05rem;padding-left:1.15rem;color:var(--muted)}
li{margin-bottom:.55rem}
.sub{color:var(--dim);font-size:.9rem;margin:0 0 2.6rem}
.lede{color:var(--muted);font-size:clamp(1.03rem,1.7vw,1.2rem);line-height:1.62;margin:0 0 1.6rem}
code{font-family:var(--mono);font-size:.86em;color:var(--accent);
  background:rgba(40,70,196,.07);padding:.12em .42em;border-radius:5px}
.eyebrow{font-size:.735rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);margin:0 0 1.15rem}

/* ---------- callout ---------- */
.callout{border:1px solid rgba(40,70,196,.26);background:rgba(40,70,196,.05);
  border-radius:12px;padding:1.3rem 1.4rem;margin:0 0 2rem}
.callout p{margin:0;color:var(--navy)}
.callout p + p{margin-top:.8rem}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  font:inherit;font-size:.94rem;font-weight:550;letter-spacing:-.012em;
  padding:.72rem 1.15rem;border-radius:10px;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:transform .16s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease,color .2s ease;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--navy);color:#fff;
  box-shadow:0 1px 0 rgba(255,255,255,.14) inset,0 12px 26px -14px rgba(11,20,64,.75)}
.btn-primary:hover{background:var(--accent);color:#fff;
  box-shadow:0 1px 0 rgba(255,255,255,.18) inset,0 16px 34px -14px rgba(40,70,196,.7)}
.btn-ghost{background:#fff;border-color:var(--line-strong);color:var(--navy);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{border-color:rgba(11,20,64,.34);background:var(--paper-2);color:var(--navy)}
.btn .arw{transition:transform .2s ease}
.btn:hover .arw{transform:translateX(3px)}
.btn-row{display:flex;flex-wrap:wrap;gap:.7rem;margin:2rem 0 0}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:2.2rem 0;color:var(--dim);font-size:.875rem;background:var(--paper-2)}
.foot{display:flex;flex-wrap:wrap;gap:1rem 1.8rem;align-items:center}
.foot nav{margin-left:auto;display:flex;gap:1.5rem;flex-wrap:wrap}
footer a{color:var(--dim)}
footer a:hover{color:var(--navy)}