/* ===== Design tokens ===== */
:root{
  --paper:#FFFFFF;
  --paper-deep:#E8F3F3;
  --card-bg:#F5FAFA;
  --ink:#1C2222;
  --ink-soft:#51605F;
  --emerald:#00707A;
  --emerald-deep:#004F57;
  --gold:#A9824F;
  --oxblood:#7A2E2E;
  --rule:#D6E4E4;
  --cyan:#2E7D9E;
  --magenta:#9C3F73;
  --yellow:#C9A22B;
  --focus:#00707A;
  --error:#A33A2E;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Inter',sans-serif;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%;}
a{color:inherit;}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;}
.container{max-width:1140px;margin:0 auto;padding:0 28px;}
h1,h2,h3,h4{font-family:'Fraunces',serif;letter-spacing:-0.01em;}

/* ===== Header ===== */
header.site{
  position:sticky;top:0;z-index:50;
  background:rgba(237,231,218,0.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--rule);
}
.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 0;}
.brandmark{
  display:flex;align-items:center;gap:10px;
  font-family:'IBM Plex Mono',monospace;
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-soft);text-decoration:none;
}
.brand-logo{height:34px;width:auto;display:block;}
.brandmark .regdots{display:flex;gap:4px;}
.brandmark .dot{width:6px;height:6px;border-radius:50%;}
.brandmark .dot.c{background:var(--cyan);}
.brandmark .dot.m{background:var(--magenta);}
.brandmark .dot.y{background:var(--yellow);}
.brandmark .dot.k{background:var(--ink);}
.brandmark strong{color:var(--ink);font-weight:600;letter-spacing:.02em;}
nav.links{display:flex;gap:30px;font-size:14.5px;font-weight:500;}
nav.links a{text-decoration:none;color:var(--ink-soft);transition:color .15s ease;}
nav.links a:hover{color:var(--emerald);}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--emerald);color:var(--paper);
  font-weight:600;font-size:14px;padding:10px 18px;border-radius:3px;
  text-decoration:none;transition:background .15s ease;
}
.nav-cta:hover{background:var(--emerald-deep);}
.mobile-toggle{display:none;background:none;border:none;cursor:pointer;padding:6px;}
.mobile-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:4px 0;}
@media (max-width:920px){
  nav.links{display:none;}
  .mobile-toggle{display:block;}
}

/* ===== Buttons ===== */
.btn-primary{
  background:var(--ink);color:var(--paper);
  font-weight:600;font-size:15px;
  padding:15px 26px;border-radius:3px;border:none;cursor:pointer;
  text-decoration:none;display:inline-flex;align-items:center;gap:10px;
  transition:background .15s ease, transform .15s ease;
  font-family:'Inter',sans-serif;
}
.btn-primary:hover{background:var(--emerald-deep);transform:translateY(-1px);}
.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none;}
.btn-secondary{
  font-weight:600;font-size:15px;color:var(--ink);
  text-decoration:none;padding:15px 4px;border-bottom:2px solid var(--gold);
  background:none;border-top:none;border-left:none;border-right:none;cursor:pointer;
  font-family:'Inter',sans-serif;
}

/* ===== Registration strip ===== */
.regstrip{
  display:flex;align-items:center;gap:10px;padding:14px 0;
  font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.1em;
  color:var(--ink-soft);text-transform:uppercase;
  border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);
  flex-wrap:wrap;
}
.regstrip .dots{display:flex;gap:6px;}
.regstrip .dot{width:8px;height:8px;border-radius:50%;}
.regstrip .dot.c{background:var(--cyan);}
.regstrip .dot.m{background:var(--magenta);}
.regstrip .dot.y{background:var(--yellow);}
.regstrip .dot.k{background:var(--ink);}
.regstrip .line{flex:1;height:1px;min-width:24px;background:repeating-linear-gradient(90deg,var(--rule) 0 6px,transparent 6px 11px);}

/* ===== Footer ===== */
footer.site{border-top:1px solid var(--rule);padding:44px 0 36px;margin-top:60px;}
.footer-grid{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;flex-wrap:wrap;}
footer.site .brandmark{margin-bottom:10px;}
footer.site p{font-size:13.5px;color:var(--ink-soft);margin:0;max-width:320px;line-height:1.6;}
.footer-cols{display:flex;gap:56px;flex-wrap:wrap;}
.footer-col h5{
  font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--ink-soft);margin:0 0 12px;
}
.footer-col a{display:block;font-size:14px;margin-bottom:9px;text-decoration:none;color:var(--ink);}
.footer-col a:hover{color:var(--emerald);}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--rule);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--ink-soft);
}

/* ===== Shared section styles ===== */
section{padding:64px 0;}
.section-head{max-width:600px;margin:0 0 40px;}
.eyebrow{
  font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--emerald);margin:0 0 14px;
  display:flex;align-items:center;gap:10px;
}
.eyebrow .rule{width:28px;height:1px;background:var(--emerald);}
.section-head p{font-size:16px;line-height:1.6;color:var(--ink-soft);margin:0;}

/* visually-hidden utility (for honeypot / a11y labels) */
.visually-hidden{
  position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}