:root{
  --tecnm-blue:#0056A6;
  --bg:#ffffff;
  --text:#0b1220;
  --muted:#64748b;
  --card:#ffffff;
  --shadow: 0 10px 30px rgba(2, 8, 23, .08);
  --radius:16px;
}

*{ box-sizing:border-box; }
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:var(--bg);
  color:var(--text);
}

a{ color:var(--tecnm-blue); text-decoration:none; }
a:hover{ text-decoration:underline; }

.container{
  width:min(1100px, 92%);
  margin:0 auto;
}

.header{
  border-bottom: 3px solid var(--tecnm-blue);
  background:#fff;
  position:sticky;
  top:0;
  z-index:10;
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap:14px;
}
.brand img{
  height:46px;
  width:auto;
  object-fit:contain;
}
.brand .title{
  display:flex;
  flex-direction:column;
  line-height:1.1;
}
.brand .title strong{ font-size:14px; }
.brand .title span{ font-size:12px; color:var(--muted); }

.nav{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:10px 14px;
  border-radius:12px;
  border:2px solid var(--tecnm-blue);
  background:#fff;
  color:var(--tecnm-blue);
  font-weight:600;
  cursor:pointer;
}
.btn.primary{
  background:var(--tecnm-blue);
  color:#fff;
}

.main{
  padding:28px 0 40px;
}

.hero{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap:18px;
  align-items:start;
}
@media (max-width: 900px){
  .hero{ grid-template-columns:1fr; }
}

.card{
  background:var(--card);
  border:2px solid var(--tecnm-blue);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:18px;
}

.h1{
  margin:0 0 8px;
  font-size:22px;
}
.p{
  margin:0;
  color:var(--muted);
  font-size:14px;
  line-height:1.5;
}

.form{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:12px;
  margin-top:14px;
}
@media (max-width: 700px){
  .form{ grid-template-columns:1fr; }
}

.field{
  display:flex;
  flex-direction:column;
  gap:6px;
}
label{
  font-size:12px;
  font-weight:700;
  color:#0f172a;
}
input, select{
  padding:11px 12px;
  border-radius:12px;
  border:1.8px solid rgba(0,86,166,.35);
  outline:none;
  font-size:14px;
  background:#fff;
}
input:focus, select:focus{
  border-color: var(--tecnm-blue);
  box-shadow: 0 0 0 3px rgba(0,86,166,.15);
}

.alert{
  margin-top:12px;
  padding:12px;
  border-radius:12px;
  border:2px solid rgba(0,86,166,.35);
  background: rgba(0,86,166,.06);
  color:#0f172a;
  font-size:14px;
}

.footer{
  border-top: 3px solid var(--tecnm-blue);
  padding:16px 0;
  color:var(--muted);
  font-size:13px;
  background:#fff;
}
.footer strong{ color:#0f172a; }