/* ============================================================
   MarketPro — Sistema de diseño CR Labs
   Blanco / negro / gris · Forum (display) + Montserrat (cuerpo)
   Minimalista, mobile-first (base 520px)
   ============================================================ */
:root{
  --negro:#111111;
  --negro-2:#1a1a1a;
  --blanco:#ffffff;
  --gris-900:#2a2a2a;
  --gris-600:#5a5a5a;
  --gris-400:#8a8a8a;
  --gris-200:#e6e6e6;
  --gris-100:#f3f3f1;
  --gris-50:#fafaf9;
  --error:#b3261e;
  --radio:14px;
  --maxw:1080px;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:'Montserrat',Arial,sans-serif;
  color:var(--negro);
  background:var(--blanco);
  font-size:16px;
  line-height:1.65;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.display{font-family:'Forum',Georgia,serif;font-weight:400;letter-spacing:.3px;}
em{font-style:italic;}
a{color:inherit;text-decoration:none;}
svg{width:24px;height:24px;}

.eyebrow{
  display:inline-block;font-size:11px;letter-spacing:2.5px;text-transform:uppercase;
  color:var(--gris-400);font-weight:600;margin-bottom:16px;
}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 22px;background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--gris-200);
}
.brand{display:flex;align-items:baseline;gap:8px;}
.brand-mark{font-family:'Forum',serif;font-size:22px;letter-spacing:1px;}
.brand-sub{font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--gris-400);}
.header-cta{
  font-size:13px;font-weight:600;padding:9px 16px;border:1px solid var(--negro);border-radius:100px;
  transition:all .2s ease;
}
.header-cta:hover{background:var(--negro);color:var(--blanco);}

/* ===== Botones ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:'Montserrat',sans-serif;font-size:15px;font-weight:600;cursor:pointer;
  padding:15px 28px;border-radius:100px;border:1px solid transparent;transition:all .2s ease;
}
.btn svg{width:18px;height:18px;}
.btn-dark{background:var(--negro);color:var(--blanco);}
.btn-dark:hover{background:#000;transform:translateY(-1px);}
.btn-dark:disabled{opacity:.55;cursor:not-allowed;transform:none;}
/* Boton secundario: mismo peso que el oscuro pero solo contorno, para que no
   compita con la descarga del PDF, que es la accion principal. */
.btn-linea{background:transparent;color:var(--negro);border-color:var(--negro);}
.btn-linea:hover{background:var(--negro);color:var(--blanco);transform:translateY(-1px);}
.btn-text{background:none;border:none;color:var(--gris-600);font-size:13px;font-weight:500;cursor:pointer;padding:10px;margin-top:6px;}
.btn-text:hover{color:var(--negro);}

/* ===== Hero ===== */
.hero{
  max-width:var(--maxw);margin:0 auto;padding:64px 22px 40px;text-align:center;
}
.hero h1{font-size:clamp(38px,8vw,76px);line-height:1.04;margin-bottom:22px;}
.hero .lead{
  max-width:620px;margin:0 auto 30px;font-size:clamp(15px,2.4vw,18px);
  color:var(--gris-600);font-weight:300;
}
.hero-actions{display:flex;flex-direction:column;align-items:center;gap:16px;}
.price-chip{
  font-size:14px;color:var(--gris-600);
}
.price-chip strong{font-size:18px;color:var(--negro);font-weight:700;}

/* ===== Pasos ===== */
.pasos{
  max-width:var(--maxw);margin:24px auto 0;padding:40px 22px;
  display:grid;grid-template-columns:1fr;gap:14px;
  border-top:1px solid var(--gris-200);
}
.paso{
  position:relative;background:var(--gris-50);border:1px solid var(--gris-200);
  border-radius:var(--radio);padding:28px 24px;
}
.paso-num{
  position:absolute;top:18px;right:22px;font-family:'Forum',serif;font-size:30px;color:var(--gris-200);
}
.paso svg{width:30px;height:30px;color:var(--negro);margin-bottom:14px;}
.paso h3{font-size:21px;margin-bottom:6px;}
.paso p{font-size:14px;color:var(--gris-600);}

/* ===== Formulario ===== */
.form-section{max-width:760px;margin:0 auto;padding:56px 22px 40px;}
.form-head{text-align:center;margin-bottom:30px;}
.form-head h2{font-size:clamp(30px,6vw,44px);margin-bottom:8px;}
.form-head p{color:var(--gris-600);font-size:15px;}

.card{
  background:var(--blanco);border:1px solid var(--gris-200);border-radius:var(--radio);
  padding:30px 26px;box-shadow:0 14px 50px rgba(0,0,0,.05);
}
fieldset{border:none;margin-bottom:24px;}
fieldset:last-of-type{margin-bottom:8px;}
legend{
  font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--gris-400);
  font-weight:700;margin-bottom:14px;padding-bottom:8px;border-bottom:1px solid var(--gris-200);width:100%;
}
.grid{display:grid;grid-template-columns:1fr;gap:16px;}
.campo{display:flex;flex-direction:column;}
.campo .opt{color:var(--gris-400);font-weight:400;text-transform:none;letter-spacing:0;}
label{font-size:13px;font-weight:600;margin-bottom:7px;color:var(--gris-900);}
input,select,textarea{
  font-family:'Montserrat',sans-serif;font-size:15px;color:var(--negro);
  padding:13px 14px;border:1px solid var(--gris-200);border-radius:10px;background:var(--blanco);
  transition:border-color .15s ease, box-shadow .15s ease;width:100%;
}
input::placeholder,textarea::placeholder{color:var(--gris-400);}
input:focus,select:focus,textarea:focus{
  outline:none;border-color:var(--negro);box-shadow:0 0 0 3px rgba(17,17,17,.07);
}
textarea{resize:vertical;}
.campo.invalido input,.campo.invalido select,.campo.invalido textarea{border-color:var(--error);}
.error{color:var(--error);font-size:12px;margin-top:6px;min-height:0;}

.form-foot{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  margin-top:22px;padding-top:22px;border-top:1px solid var(--gris-200);flex-wrap:wrap;
}
.total{display:flex;flex-direction:column;}
.total span{font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--gris-400);font-weight:600;}
.total strong{font-family:'Forum',serif;font-size:30px;}
.total small{font-size:13px;color:var(--gris-400);font-family:'Montserrat',sans-serif;}

/* ===== Panel de pago (mock) ===== */
.pago-panel,.resultado-panel{max-width:560px;margin:0 auto;padding:40px 22px 60px;}
.pago-card .eyebrow,.resultado-card{text-align:center;}
.pago-card h2,.resultado-card h2{font-size:32px;text-align:center;margin-bottom:18px;}
.resumen{list-style:none;margin:0 0 20px;border:1px solid var(--gris-200);border-radius:10px;overflow:hidden;}
.resumen li{display:flex;justify-content:space-between;gap:12px;padding:11px 16px;font-size:14px;border-bottom:1px solid var(--gris-200);}
.resumen li:last-child{border-bottom:none;}
.resumen li span{color:var(--gris-600);}
.resumen li strong{font-weight:600;text-align:right;}
.pago-total{display:flex;align-items:center;justify-content:space-between;padding:14px 4px;margin-bottom:18px;}
.pago-total span{font-size:12px;letter-spacing:1.5px;text-transform:uppercase;color:var(--gris-400);font-weight:600;}
.pago-total strong{font-family:'Forum',serif;font-size:34px;}
.pago-total small{font-size:14px;color:var(--gris-400);font-family:'Montserrat',sans-serif;}
.pago-mock-aviso{
  display:flex;gap:10px;align-items:flex-start;background:var(--gris-100);border-radius:10px;
  padding:12px 14px;font-size:12.5px;color:var(--gris-600);margin-bottom:20px;
}
.pago-mock-aviso svg{width:18px;height:18px;flex-shrink:0;color:var(--gris-400);}
.pago-card .btn-dark{width:100%;}
.pago-card .btn-text{display:block;margin:8px auto 0;}

/* ===== Resultado ===== */
.resultado-card{text-align:center;}
.resultado-card .check{width:54px;height:54px;color:var(--negro);margin:0 auto 14px;}
.spinner{width:48px;height:48px;margin:0 auto 18px;border-radius:50%;
  border:3px solid var(--gris-200);border-top-color:var(--negro);animation:spin .85s linear infinite;}
@keyframes spin{to{transform:rotate(360deg);}}
.resultado-card p{color:var(--gris-600);font-size:15px;}
/* Las dos acciones del final: descargar el PDF y arrancar otro estudio.
   Antes solo estaba la descarga y el flujo quedaba sin salida. */
.resultado-acciones{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:24px;
}
.resultado-nota{margin-top:14px;font-size:12.5px;color:var(--gris-400);}
@media (max-width:520px){
  .resultado-acciones{flex-direction:column;}
  .resultado-acciones .btn{width:100%;}
}

/* ===== Footer ===== */
.site-footer{
  border-top:1px solid var(--gris-200);text-align:center;padding:26px 22px;
  font-size:12px;letter-spacing:.5px;color:var(--gris-400);
}

/* ===== Responsive ===== */
@media(min-width:520px){
  .grid{grid-template-columns:1fr 1fr;}
  .campo-full{grid-column:1 / -1;}
}
@media(min-width:820px){
  .pasos{grid-template-columns:repeat(3,1fr);}
  .hero{padding-top:88px;}
}

/* ===== Utilidad ===== */
[hidden]{display:none !important;}