/* ═══════════════════════════════════════════════
   Eastsoft Inc. — Site System
   Shared tokens, typography, nav, footer, buttons.
   Used by all subpages (404, privacy, terms, press, etc.)
   The v1 hero retains its own bespoke CSS.
   ═══════════════════════════════════════════════ */

/* WeChat/QQ Guard */
#wxguard{display:none;position:fixed;inset:0;z-index:9999;background:#fff;}
.wxguard-inner{max-width:360px;margin:120px auto;text-align:center;padding:0 24px}
@keyframes wxbounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

:root{
  --bg:#f6f9fc;
  --paper:#ffffff;
  --ink:#0a2540;
  --ink-2:#425466;
  --ink-3:#697386;
  --ink-4:#8898a8;
  --line:#e3e8ee;
  --line-2:#eef2f6;
  --accent:#635bff;
  --accent-2:#00d4ff;
  --pink:#ff4f81;
  --gold:#ffb422;
  --green:#21c87a;
  --orange:#ff5a1f;

  --serif:"Tiempos Headline","Iowan Old Style","Charter","Source Serif Pro",Georgia,serif;
  --sans:-apple-system,BlinkMacSystemFont,"SF Pro Display","Inter","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;font-size:16px;}
body{
  font-family:var(--sans);
  background:var(--bg);color:var(--ink);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  font-feature-settings:"ss01","cv11";letter-spacing:-0.01em;
  line-height:1.5;
}
a{color:var(--accent);text-decoration:none;}
a:hover{color:var(--accent);}
img,svg{display:block;max-width:100%;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
::selection{background:#d6d2ff;color:var(--ink);}

.wrap{max-width:1200px;margin:0 auto;padding:0 28px;}
.wrap-narrow{max-width:780px;margin:0 auto;padding:0 28px;}
.wrap-wide{max-width:1320px;margin:0 auto;padding:0 28px;}

/* ═══════ Buttons ═══════ */
.btn{
  display:inline-flex;align-items:center;gap:6px;
  background:#0a2540;color:#fff;
  padding:9px 18px;border-radius:999px;
  font-size:14px;font-weight:600;letter-spacing:-0.005em;
  transition:transform 0.15s,background 0.15s,box-shadow 0.15s;
  box-shadow:0 4px 14px -4px rgba(10,37,64,0.5),0 0 0 1px rgba(255,255,255,0.04) inset;
}
.btn:hover{transform:translateY(-1px);background:#11325a;color:#fff;
  box-shadow:0 8px 22px -6px rgba(10,37,64,0.55),0 0 0 1px rgba(255,255,255,0.06) inset;}

.btn-ghost{
  display:inline-flex;align-items:center;gap:6px;
  background:transparent;color:var(--ink);
  padding:9px 18px;border-radius:999px;
  font-size:14px;font-weight:600;
  border:1px solid var(--line);
  transition:background 0.15s,border-color 0.15s;
}
.btn-ghost:hover{background:#fff;border-color:#cdd5df;color:var(--ink);}

.btn-glass{
  background:rgba(255,255,255,0.14);color:#fff;
  border:1px solid rgba(255,255,255,0.32);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:0 4px 14px -4px rgba(0,0,0,0.18),0 0 0 1px rgba(255,255,255,0.08) inset;
}
.btn-glass:hover{background:rgba(255,255,255,0.22);color:#fff;border-color:rgba(255,255,255,0.45);}

.btn-press{
  display:inline-flex;align-items:center;gap:6px;
  color:#fff;font-size:14px;font-weight:500;
  padding:8px 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,0.28);
  background:rgba(255,255,255,0.06);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  transition:background 0.15s,border-color 0.15s;
}
.btn-press:hover{background:rgba(255,255,255,0.14);border-color:rgba(255,255,255,0.42);color:#fff;}

/* ═══════ Light nav (for subpages) ═══════ */
.nav-light{
  display:flex;align-items:center;justify-content:space-between;
  padding:22px 0;border-bottom:1px solid var(--line);
  background:#fff;
}
.nav-light .brand{display:flex;align-items:center;gap:10px;}
.nav-light .brand-logo{height:30px;width:auto;}
.nav-light .nav-links{display:flex;gap:32px;}
.nav-light .nav-links a{color:var(--ink-2);font-size:15px;font-weight:500;}
.nav-light .nav-links a:hover{color:var(--ink);}
.nav-light .nav-cta{display:flex;align-items:center;gap:10px;}
.nav-light .btn-press{
  background:transparent;color:var(--ink-2);
  border:1px solid var(--line);
}
.nav-light .btn-press:hover{background:var(--bg);border-color:#cdd5df;color:var(--ink);}

.nav-shell{background:#fff;}

/* ═══════ Footer ═══════ */
footer.site-footer{
  background:#0a2540;color:#fff;padding:80px 0 36px;margin-top:120px;
}
.site-footer .footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;gap:48px;
  margin-bottom:60px;
}
.site-footer .footer-brand .brand-logo-footer{height:30px;width:auto;}
.site-footer .footer-brand p{color:rgba(255,255,255,0.6);font-size:14px;line-height:1.6;margin-top:18px;max-width:280px;}
.site-footer .footer-col h5{
  font-size:13px;font-weight:600;letter-spacing:0.04em;text-transform:uppercase;
  color:rgba(255,255,255,0.45);margin-bottom:16px;
}
.site-footer .footer-col a{
  display:block;color:rgba(255,255,255,0.85);font-size:14px;
  padding:5px 0;
}
.site-footer .footer-col a:hover{color:#fff;}
.site-footer .footer-bottom{
  padding-top:32px;border-top:1px solid rgba(255,255,255,0.1);
  display:flex;justify-content:space-between;align-items:center;
  font-size:13px;color:rgba(255,255,255,0.5);
}
.site-footer .footer-bottom .legal a{color:rgba(255,255,255,0.7);margin-left:18px;}

/* ═══════ Page header (subpages) ═══════ */
.page-head{
  padding:88px 0 56px;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,#fff 0%,#fafbfd 100%);
}
.page-eyebrow{
  font-size:12px;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;
  color:var(--accent);margin-bottom:16px;
}
.page-title{
  font-size:64px;line-height:1.04;letter-spacing:-0.035em;font-weight:600;
  color:var(--ink);
  margin-bottom:18px;
  text-wrap:balance;
}
.page-title em{font-style:italic;font-weight:500;color:var(--accent);}
.page-lede{
  font-size:20px;color:var(--ink-2);line-height:1.55;max-width:680px;
  text-wrap:pretty;
}
.page-meta{
  margin-top:32px;display:flex;gap:28px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);
}
.page-meta b{color:var(--ink);font-weight:600;}

/* ═══════ Long-form prose (privacy / terms / security) ═══════ */
.prose{padding:64px 0 24px;}
.prose-grid{display:grid;grid-template-columns:220px 1fr;gap:64px;align-items:start;}
.prose-toc{
  position:sticky;top:32px;
  font-size:13px;line-height:1.7;
  border-left:1px solid var(--line);
  padding-left:18px;
}
.prose-toc h6{
  font-size:11px;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;
  color:var(--ink-4);margin-bottom:12px;
}
.prose-toc a{
  display:block;color:var(--ink-2);padding:3px 0;
}
.prose-toc a:hover{color:var(--ink);}
.prose-body{font-size:16px;line-height:1.7;color:var(--ink-2);max-width:720px;}
.prose-body h2{
  font-family:var(--serif);
  font-size:32px;line-height:1.15;letter-spacing:-0.02em;font-weight:600;
  color:var(--ink);margin:48px 0 16px;
  scroll-margin-top:24px;
}
.prose-body h2:first-child{margin-top:0;}
.prose-body h3{
  font-size:18px;letter-spacing:-0.01em;font-weight:600;
  color:var(--ink);margin:28px 0 10px;
}
.prose-body p{margin-bottom:16px;}
.prose-body ul,.prose-body ol{margin:0 0 16px 24px;}
.prose-body li{margin-bottom:8px;}
.prose-body strong{color:var(--ink);font-weight:600;}
.prose-body code{
  font-family:var(--mono);font-size:13px;
  background:var(--line-2);padding:1px 6px;border-radius:4px;
  color:var(--ink);
}
.prose-body a{color:var(--accent);}
.prose-body a:hover{text-decoration:underline;}
.prose-body hr{border:0;border-top:1px solid var(--line);margin:48px 0;}
.prose-body blockquote{
  border-left:3px solid var(--accent);
  padding:6px 0 6px 20px;margin:24px 0;
  color:var(--ink);font-size:18px;line-height:1.55;
  font-family:var(--serif);font-style:italic;
}

/* ═══════ Section helpers ═══════ */
.section{padding:80px 0;}
.section-eyebrow{
  font-size:12px;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;
  color:var(--accent);margin-bottom:14px;
}
.section-title{
  font-size:42px;line-height:1.1;letter-spacing:-0.03em;font-weight:600;
  color:var(--ink);margin-bottom:18px;text-wrap:balance;
}
.section-title em{font-style:italic;font-weight:500;color:var(--accent);}
.section-lede{font-size:18px;color:var(--ink-2);line-height:1.6;max-width:640px;}

/* ═══════ Card primitive ═══════ */
.s-card{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:28px;
}

/* ═══════ Mono inline ═══════ */
.mono{font-family:var(--mono);font-size:0.92em;}

@media (max-width:960px){
  .page-title{font-size:44px;}
  .prose-grid{grid-template-columns:1fr;}
  .prose-toc{position:static;border-left:0;border-top:1px solid var(--line);padding:24px 0 0;}
  .site-footer .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .nav-light{flex-wrap:wrap;gap:12px;}
  .nav-light .nav-links{display:none;order:3;width:100%;flex-direction:column;gap:16px;padding:16px 0;border-top:1px solid var(--line);}
  .nav-light .nav-cta{display:none;order:4;width:100%;gap:12px;}
  .nav-light .nav-links.open,.nav-light .nav-cta.open{display:flex;}
  .nav-toggle{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:rgba(0,0,0,0.06);border-radius:8px;border:1px solid var(--line);color:var(--ink);font-size:20px;cursor:pointer;order:2;margin-left:auto;}
  .ab-head .nav-toggle,.cr-head .nav-toggle,.ct-head .nav-toggle,.press-head .nav-toggle,.err-headline .nav-toggle{background:rgba(255,255,255,0.14);border-color:rgba(255,255,255,0.25);color:#fff;}
  .ab-head .nav-light .nav-links,.cr-head .nav-light .nav-links,.ct-head .nav-light .nav-links,.press-head .nav-light .nav-links{border-top-color:rgba(255,255,255,0.15);}
  .site-footer .footer-grid{grid-template-columns:1fr;}
  .page-title{font-size:32px;}
}
@media (min-width:769px){
  .nav-toggle{display:none;}
}