/* Estilos limpios con identidad Inmunocal/Inmunotec */
:root{
  --bg:#0f172a;
  --panel:#0b1227;
  --card:#0f1b36;
  --text:#e5e7eb;
  --muted:#a1a1aa;
  --accent:#7dd3fc;
  --accent-2:#fef08a;
  --ok:#86efac;
  --danger:#fca5a5;
  --radius:16px;
  --shadow:0 10px 30px rgba(0,0,0,.25);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Ubuntu; background:linear-gradient(180deg,#0b1227 0%, #0f172a 60%, #0b1227 100%); color:var(--text)}
a{color:var(--accent);text-decoration:none}
.container{max-width:1120px;margin:0 auto;padding:16px}
.header{position:sticky;top:0;background:rgba(11,18,39,.7);backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid rgba(255,255,255,.06);z-index:20}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:12px}
.brand__logo{width:120px;height:auto}
.brand__text{display:flex;flex-direction:column;font-size:12px;line-height:1.2}
.nav a{margin:0 8px}
.btn{display:inline-block;border:1px solid rgba(255,255,255,.15);padding:10px 16px;border-radius:999px;transition:.2s;background:rgba(255,255,255,.04)}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
.btn--ghost{background:transparent}
.btn--lg{padding:14px 20px}
.btn--sm{padding:8px 12px;font-size:14px}
.btn--full{display:block;width:100%;text-align:center}
.h1{font-size:40px;margin:0 0 12px}
.h2{font-size:28px;margin:0 0 16px}
.lead{font-size:18px;color:var(--text);opacity:.9}
.helper{color:var(--muted);font-size:12px}
.small{font-size:12px;color:var(--muted)}
.section{padding:56px 0}
.section--alt{background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(255,255,255,.0));}
.hero{padding:48px 0;position:relative;overflow:hidden}
.hero--brand::before{
  content:"";
  position:absolute; inset: -20% -10% auto auto; 
  width:540px; height:540px; 
  background:url('/assets/logo-inmunotec.png') no-repeat center/contain;
  opacity:.05; filter:grayscale(100%);
  transform:rotate(-18deg);
  pointer-events:none;
}
.grid-2{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
@media (max-width:900px){.grid-2{grid-template-columns:1fr} .nav{display:none} .h1{font-size:32px}}
.card{background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.bullets{margin:0;padding-left:18px}
.nums{margin:0;padding-left:18px}
.link{color:var(--accent-2)}
.hero__card{display:flex;align-items:stretch}
.footer{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;margin-top:40px}
/* FORM: grid alineado y responsivo */
.form{display:grid;gap:12px}
.form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  align-items:start;
  margin: 0 auto;
  max-width: 820px;
}
.form__row{display:flex;flex-direction:column;gap:6px}
.form__row--check{flex-direction:row;align-items:center;gap:8px}
.form__row--span2{grid-column:1 / -1}
input,select,button{font-size:16px}
input,select{background:#0b1327;border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:12px;color:var(--text);outline:none}
input:focus,select:focus{border-color:var(--accent)}
button{cursor:pointer;background:linear-gradient(90deg,rgba(125,211,252,.2),rgba(254,240,138,.2)); color:var(--text); border:1px solid rgba(255,255,255,.2); border-radius:999px; padding:12px 16px}
.form__msg{min-height:18px;font-size:14px;color:var(--ok);text-align:center;margin-top:8px}
.quote{font-style:italic;color:#e9eefc}
.center{text-align:center}
.header .btn--sm{border-color:rgba(255,255,255,.25)}
.note{font-size:13px;color:var(--muted);margin-top:8px}
.contact-card{max-width:820px;margin:24px auto 0}
@media (max-width:760px){
  .form-grid{grid-template-columns:1fr}
}