:root{
  --navy:#0e2f6b;
  --navy-deep:#0a2352;
  --blue:#1e63c4;
  --blue-light:#9dc3ec;
  --ink:#12233f;
  --muted:#54617a;
  --bg:#ffffff;
  --bg-alt:#f2f6fc;
  --border:#dbe4f2;
  --radius:14px;
  --wrap:1080px;
  --font:"Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.2;color:var(--navy);margin:0 0 .5em}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}

.skip-link{
  position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;
  padding:10px 16px;z-index:100;border-radius:0 0 8px 0;
}
.skip-link:focus{left:0}

/* Buttons */
.btn{
  display:inline-block;font-weight:600;border-radius:999px;
  padding:12px 22px;transition:transform .05s ease, background .15s ease, color .15s ease;
  border:2px solid transparent;cursor:pointer;
}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:#1a56ac;color:#fff}
.btn-outline{border-color:rgba(255,255,255,.7);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-ghost{border-color:var(--border);color:var(--navy)}
.btn-ghost:hover{background:var(--bg-alt);color:var(--navy)}
.btn-lg{padding:15px 30px;font-size:1.05rem}

/* Header */
.site-header{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  max-width:var(--wrap);margin:0 auto;padding:18px 24px;flex-wrap:wrap;
}
.brand img{height:52px;width:auto}
.site-nav{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.site-nav a{color:var(--navy);font-weight:600}

/* Hero */
.hero{
  background:linear-gradient(160deg,var(--navy) 0%,var(--navy-deep) 100%);
  color:#fff;text-align:center;padding:64px 24px 80px;
}
.hero-inner{max-width:820px;margin:0 auto}
.hero-logo{
  margin:0 auto 26px;width:110px;height:110px;object-fit:contain;
  background:#fff;border-radius:22px;padding:16px;
  box-shadow:0 10px 30px rgba(0,0,0,.25);
}
.hero h1{color:#fff;font-size:clamp(2rem,4.5vw,3.1rem);margin-bottom:.4em}
.hero-lead{font-size:1.2rem;color:#dbe6f7;max-width:640px;margin:0 auto 32px}
.hero-lead strong{color:#fff}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:22px}
.hero-note{
  color:var(--blue-light);font-weight:600;letter-spacing:.03em;
  font-size:.85rem;text-transform:uppercase;margin:0;
}

/* Sections */
.section{padding:72px 0}
.section-alt{background:var(--bg-alt)}
.section h2{font-size:clamp(1.6rem,3vw,2.1rem);text-align:center}
.section-lead{
  text-align:center;color:var(--muted);max-width:680px;margin:0 auto 40px;font-size:1.1rem;
}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px}
.card{
  background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);
  padding:26px 24px;
}
.section-alt .card{background:#fff}
.card h3{font-size:1.15rem;margin-bottom:.4em}
.card p{margin:0;color:var(--muted)}

/* SOV grid */
.sov-grid{
  list-style:none;margin:0;padding:0;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:12px;
}
.sov-grid li{
  display:flex;align-items:center;gap:14px;background:#fff;
  border:1px solid var(--border);border-radius:10px;padding:14px 18px;
}
.sov-code{
  flex:0 0 auto;font-weight:700;color:#fff;background:var(--navy);
  border-radius:8px;padding:4px 10px;font-size:.8rem;letter-spacing:.02em;
}
.sov-name{flex:1;font-weight:500}
.sov-w{flex:0 0 auto;font-weight:700;color:var(--blue)}

/* SEAL scale */
.seal-scale{
  list-style:none;margin:0 auto 26px;padding:0;max-width:760px;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;text-align:center;
}
.seal-scale li{
  background:var(--bg-alt);border:1px solid var(--border);border-radius:10px;
  padding:18px 12px;font-weight:600;color:var(--navy);font-size:.95rem;
}
.seal-n{
  display:block;margin:0 auto 8px;width:40px;height:40px;line-height:40px;
  border-radius:50%;background:var(--navy);color:#fff;font-size:1.1rem;
}
.formula{
  text-align:center;font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  background:var(--navy);color:#fff;display:inline-block;
  padding:12px 22px;border-radius:10px;margin:0 auto;
}
#seal .wrap{text-align:center}

/* CTA */
.cta{background:linear-gradient(160deg,var(--navy) 0%,var(--navy-deep) 100%);color:#fff;padding:72px 0;text-align:center}
.cta h2{color:#fff}
.cta p{color:#dbe6f7;max-width:560px;margin:0 auto 28px;font-size:1.1rem}

/* Footer */
.site-footer{background:var(--navy-deep);color:#c7d5ef;padding:40px 0}
.footer-inner{display:flex;flex-direction:column;gap:16px;align-items:flex-start}
.footer-brand{margin:0;font-size:1.4rem;font-weight:700;color:#fff;letter-spacing:-.01em}
.footer-brand sup{font-size:.6em;font-weight:600;top:-.6em}
.footer-brand span{color:var(--blue-light);font-weight:600}
.footer-meta{margin:0;font-size:.85rem;color:#9fb2d6;line-height:1.5}
.footer-nav{display:flex;gap:20px}
.footer-nav a{color:var(--blue-light);font-weight:600}

@media (max-width:640px){
  .site-header{justify-content:center}
  .section{padding:52px 0}
}