/* ===== Variables ===== */
:root{
  --azul:#00447C;
  --azul-osc:#002F55;
  --celeste:#A6C4E4;
  --rojo:#C8102E;
  --naranja:#E8512B;
  --gris:#F4F6F9;
  --texto:#1B2431;
  --borde:#DDE3EC;
  --radio:14px;
  --sombra:0 10px 30px rgba(0,68,124,.10);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Montserrat',Arial,Helvetica,sans-serif;
  color:var(--texto);
  background:#fff;
  line-height:1.6;
}
.container{width:min(1140px,92%);margin-inline:auto}
img{max-width:100%;display:block}

/* ===== Botones ===== */
.btn{
  display:inline-block;border:0;cursor:pointer;
  font-family:inherit;font-weight:700;font-size:1rem;
  padding:15px 34px;border-radius:50px;text-decoration:none;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn--primary{background:var(--rojo);color:#fff;box-shadow:0 8px 20px rgba(200,16,46,.28)}
.btn--primary:hover{transform:translateY(-2px);background:#a80d26}
.btn--submit{background:var(--naranja);color:#fff;width:100%;margin-top:10px;box-shadow:0 8px 20px rgba(232,81,43,.3)}
.btn--submit:hover{transform:translateY(-2px);background:#d14420}
.btn--submit:disabled{opacity:.6;cursor:not-allowed;transform:none}
.btn--ghost{background:transparent;color:var(--azul);border:2px solid var(--azul)}
.btn--ghost:hover{background:var(--azul);color:#fff}

/* ===== Header ===== */
.header{background:#fff;border-bottom:1px solid var(--borde);position:sticky;top:0;z-index:50}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0}
.header__logo img{height:40px;width:auto}
.header__eleve{height:20px;width:auto}

/* ===== Hero ===== */
.hero{
  background:linear-gradient(135deg,var(--azul) 0%,var(--azul-osc) 100%);
  color:#fff;padding:70px 0;position:relative;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-120px;
  width:420px;height:420px;border-radius:50%;
  background:rgba(166,196,228,.12);
}
.hero__inner{display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center;position:relative;z-index:1}
.hero__badge{
  display:inline-block;background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.35);
  padding:6px 16px;border-radius:50px;font-size:.8rem;
  letter-spacing:.12em;text-transform:uppercase;font-weight:600;margin-bottom:18px;
}
.hero h1{font-size:clamp(2rem,4.2vw,3.1rem);line-height:1.15;font-weight:800;margin-bottom:16px}
.hero h1 span{color:var(--celeste)}
.hero p{font-size:1.08rem;max-width:56ch;color:#E6EFF8}
.hero__facts{list-style:none;display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 30px}
.hero__facts li{
  background:rgba(255,255,255,.1);border-radius:10px;
  padding:10px 16px;font-size:.9rem;
}
.hero__facts strong{color:#fff}
.hero__card{
  background:linear-gradient(135deg,#0A5AA0 0%,var(--azul-osc) 100%);
  color:#fff;border-radius:var(--radio);border:1px solid rgba(255,255,255,.18);
  padding:32px 28px;text-align:center;box-shadow:var(--sombra);
}
.hero__card img{height:58px;width:auto;margin:0 auto 18px}
.hero__card-price{font-size:2rem;font-weight:800;color:#fff}
.hero__card-price small{font-size:1rem;font-weight:600;color:var(--celeste)}
.hero__card-note{font-size:.92rem;color:#E6EFF8;margin-top:8px}

/* ===== Secciones ===== */
.section-title{
  font-size:clamp(1.6rem,3vw,2.2rem);font-weight:800;color:var(--azul);
  text-align:center;margin-bottom:14px;
}
.section-title--light{color:#fff}
.section-title::after{
  content:"";display:block;width:64px;height:4px;border-radius:4px;
  background:var(--rojo);margin:14px auto 0;
}
.section-title--light::after{background:var(--naranja)}

.objetivo{padding:72px 0;background:var(--gris)}
.objetivo__text{max-width:78ch;margin:18px auto 44px;text-align:center;color:#42505F}
.objetivo__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:#fff;border-radius:var(--radio);padding:28px 24px;
  border:1px solid var(--borde);transition:transform .25s ease, box-shadow .25s ease;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--sombra)}
.card__num{font-size:.85rem;font-weight:800;color:var(--rojo);letter-spacing:.1em}
.card h3{font-size:1.12rem;margin:10px 0 8px;color:var(--azul)}
.card p{font-size:.95rem;color:#5A6875}

/* ===== Encuesta ===== */
.encuesta{
  padding:78px 0;
  background:linear-gradient(160deg,var(--azul-osc) 0%,var(--azul) 100%);
}
.encuesta__sub{text-align:center;color:#D5E3F1;margin-bottom:38px}
.form{
  background:#fff;border-radius:18px;padding:38px;
  max-width:820px;margin-inline:auto;box-shadow:0 18px 45px rgba(0,0,0,.18);
}
.form__group{border:0;margin-bottom:32px}
.form__group legend{
  font-weight:700;font-size:1.05rem;color:var(--azul);
  display:flex;gap:10px;align-items:flex-start;margin-bottom:16px;
}
.q{
  flex:none;width:28px;height:28px;border-radius:50%;
  background:var(--azul);color:#fff;font-size:.85rem;
  display:grid;place-items:center;
}
.options{display:grid;gap:10px}
.options--2{grid-template-columns:1fr 1fr}
.option{
  display:flex;align-items:center;gap:12px;cursor:pointer;
  border:2px solid var(--borde);border-radius:12px;padding:13px 16px;
  font-size:.97rem;transition:all .18s ease;background:#fff;
}
.option:hover{border-color:var(--celeste);background:#F7FAFE}
.option input{accent-color:var(--azul);width:18px;height:18px;flex:none}
.option.is-selected{border-color:var(--azul);background:#EFF5FB;font-weight:600}
.option--yes.is-selected{border-color:#1E9E5A;background:#EDF9F2}
.option--no.is-selected{border-color:var(--rojo);background:#FDEFF1}
.option--yes.is-selected input{accent-color:#1E9E5A}
.option--no.is-selected input{accent-color:var(--rojo)}

select{
  width:100%;padding:14px 16px;border:2px solid var(--borde);
  border-radius:12px;font-family:inherit;font-size:.97rem;background:#fff;
  color:var(--texto);cursor:pointer;
}
select:focus,.option input:focus-visible{outline:3px solid var(--celeste);outline-offset:2px}

.error{
  display:none;color:var(--rojo);font-size:.86rem;font-weight:600;margin-top:8px;
}
.form__group.has-error .error{display:block}
.form__group.has-error .option,
.form__group.has-error select{border-color:#F0B6BF}

.form__legal{text-align:center;font-size:.82rem;color:#7A8797;margin-top:14px}

/* ===== Gracias ===== */
.thanks{
  background:#fff;border-radius:18px;padding:52px 38px;text-align:center;
  max-width:620px;margin-inline:auto;box-shadow:0 18px 45px rgba(0,0,0,.18);
}
.thanks__icon{
  width:66px;height:66px;border-radius:50%;background:#1E9E5A;color:#fff;
  font-size:2rem;display:grid;place-items:center;margin:0 auto 18px;
}
.thanks h3{color:var(--azul);font-size:1.5rem;margin-bottom:10px}
.thanks p{color:#5A6875;margin-bottom:24px}

/* ===== Footer ===== */
.footer{background:#00243F;color:#C9D7E4;padding:44px 0;text-align:center}
.footer__inner{display:grid;gap:14px;justify-items:center}
.footer__logo{height:44px;width:auto}
.footer__made{height:40px;width:auto;opacity:.9}
.footer p{font-size:.92rem}
.footer__copy{font-size:.82rem;color:#8AA0B4}

/* ===== Responsive ===== */
@media (max-width:900px){
  .hero__inner{grid-template-columns:1fr;gap:34px}
  .objetivo__grid{grid-template-columns:1fr}
}
@media (max-width:560px){
  .header__inner{flex-direction:row}
  .header__logo img{height:34px}
  .header__eleve{height:24px}
  .hero{padding:52px 0}
  .form{padding:26px 20px}
  .options--2{grid-template-columns:1fr}
  .btn{width:100%;text-align:center}
}