/* Texarkana Promise — lightweight standalone styles */
:root{
  --navy:#0b2a4a;
  --blue:#0a57a7;
  --bg:#ffffff;
  --muted:#f4f6f8;
  --text:#0d1620;
  --sub:#334155;
  --border:#e5e7eb;
  --shadow: 0 10px 30px rgba(2, 6, 23, 0.10);
  --radius:16px;
  --wrap: 1100px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.55;
}
img{max-width:100%; height:auto; display:block}
a{color:var(--blue); text-decoration-thickness:2px; text-underline-offset:3px}
a:hover{opacity:.9}

.wrap{max-width:var(--wrap); margin:0 auto; padding:0 20px}
.skip-link{
  position:absolute; left:-999px; top:0;
  background:#000; color:#fff; padding:10px 12px; z-index:9999;
}
.skip-link:focus{left:10px; top:10px}

.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex; gap:18px; align-items:center; justify-content:space-between;
  padding:12px 0;
}
.brand-logo{max-height:52px; width:auto}
.header-actions{display:flex; gap:10px; flex-wrap:wrap; justify-content:flex-end}

.hero{
  padding:54px 0 26px;
  background:
    radial-gradient(1000px 500px at 10% 10%, rgba(10,87,167,.10), transparent 55%),
    radial-gradient(900px 500px at 90% 20%, rgba(11,42,74,.10), transparent 60%),
    linear-gradient(180deg, #ffffff, #ffffff 60%, #fafbfc);
}
.hero-inner{
  display:grid;
  grid-template-columns: 1.4fr .9fr;
  gap:28px;
  align-items:start;
}
.hero-copy h1{margin:0 0 10px; font-size: clamp(2rem, 4vw, 3.1rem); letter-spacing:-0.02em}
.lede{margin:0 0 18px; color:var(--sub); font-size:1.1rem}
.hero-cta{display:flex; gap:12px; flex-wrap:wrap}

.hero-card{
  background: #fff;
  border:1px solid var(--border);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  padding:18px;
}
.card-title{margin:0 0 10px; font-size:1.05rem; color:var(--navy)}
.toc{margin:0; padding-left:18px}
.toc li{margin:8px 0}
.toc a{text-decoration:none}
.toc a:hover{text-decoration:underline}

.section{padding:44px 0}
.section.alt{background:var(--muted)}
.content{max-width: 860px}
h2{margin:0 0 12px; font-size:1.7rem; letter-spacing:-0.01em; color:var(--navy)}
p{margin:0 0 12px; color:var(--sub)}
.bullets{margin:0; padding-left:18px; color:var(--sub)}
.bullets li{margin:8px 0}
.steps{margin:0; padding-left:18px; color:var(--sub)}
.steps li{margin:10px 0}

.logo-row{
  margin-top:18px;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:16px;
}
.logo-box{
  border:1px solid var(--border);
  background:#fff;
  border-radius: var(--radius);
  padding:14px;
  display:grid;
  gap:10px;
  align-content:start;
}
.logo-label{
  font-weight:700;
  color:var(--navy);
  font-size:.95rem;
}

.fineprint{font-size:.95rem; color:#475569}

.site-footer{
  border-top:1px solid var(--border);
  padding:22px 0;
  background:#fff;
}
.footer-inner{display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap}
.footer-meta{color:#64748b; margin-top:6px}
.mono{font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', monospace}
.back-to-top{text-decoration:none}
.back-to-top:hover{text-decoration:underline}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:10px 14px;
  border-radius: 999px;
  font-weight:700;
  font-size:.95rem;
  text-decoration:none;
  border:1px solid transparent;
}
.btn-primary{
  background:linear-gradient(180deg, var(--blue), #094d93);
  color:#fff;
  box-shadow: 0 10px 18px rgba(10,87,167,.18);
}
.btn-primary:hover{opacity:.95}
.btn-outline{
  border-color: rgba(11,42,74,.25);
  color: var(--navy);
  background:#fff;
}
.btn-outline:hover{background:rgba(11,42,74,.04)}

/* Responsive */
@media (max-width: 900px){
  .hero-inner{grid-template-columns: 1fr; }
  .header-inner{flex-direction:column; align-items:flex-start}
  .header-actions{justify-content:flex-start}
  .logo-row{grid-template-columns:1fr}
}