/* ============================================================
   Estilos del Encuentro de Negocios — sobrio, elegante, legible.
   Colores en variables: cambia --marino / --oro para re-tematizar.
   ============================================================ */
:root{
  --marino:#0e1c33; --marino-2:#16294a; --marino-3:#22395f;
  --oro:#b8955a; --oro-2:#9a7a43; --oro-suave:#f3ece0;
  --fondo:#f7f5f1; --tarjeta:#ffffff; --texto:#1b1f27; --texto-2:#5a6170; --borde:#e3dfd6;
  --ok:#2f7a55; --ok-suave:#e4f2ea; --error:#a83a3a; --error-suave:#f8e5e5;
  --radio:14px; --sombra:0 1px 2px rgba(14,28,51,.05),0 8px 28px rgba(14,28,51,.07);
  --serif:'Cormorant Garamond',Georgia,'Times New Roman',serif;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--fondo);color:var(--texto);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%}
a{color:var(--oro-2)}
.contenedor{max-width:1120px;margin:0 auto;padding:0 20px}
h1,h2,h3{font-family:var(--serif);font-weight:600;letter-spacing:-.01em;line-height:1.15;margin:0}
.ceja{font-size:12px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--oro)}

/* ---------- Barra superior ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(14,28,51,.96);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.06)}
.nav .contenedor{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.nav .marca{color:#fff;text-decoration:none;font-family:var(--serif);font-size:20px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav .marca span{color:var(--oro)}
.nav ul{display:flex;gap:26px;list-style:none;margin:0;padding:0}
.nav ul a{color:rgba(255,255,255,.75);text-decoration:none;font-size:14px;font-weight:500}
.nav ul a:hover{color:#fff}
@media (max-width:860px){.nav ul{display:none}}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:10px;padding:13px 24px;font:600 15px var(--sans);cursor:pointer;text-decoration:none;transition:background .15s,transform .05s,box-shadow .15s}
.btn:active{transform:translateY(1px)}
.btn-oro{background:var(--oro);color:#fff}
.btn-oro:hover{background:var(--oro-2)}
.btn-marino{background:var(--marino);color:#fff}
.btn-marino:hover{background:var(--marino-3)}
.btn-borde{background:transparent;color:var(--marino);border:1px solid var(--borde)}
.btn-borde:hover{border-color:var(--marino)}
.btn-claro{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.25)}
.btn-claro:hover{background:rgba(255,255,255,.18)}
.btn-chico{padding:8px 14px;font-size:13px;border-radius:8px}
.nav .btn{padding:9px 18px;font-size:14px}

/* ---------- Portada ---------- */
.hero{position:relative;background:var(--marino);color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(900px 420px at 85% -10%,rgba(184,149,90,.28),transparent 60%),
  radial-gradient(700px 400px at -10% 110%,rgba(34,57,95,.9),transparent 60%);}
.hero::after{content:"";position:absolute;inset:0;opacity:.07;background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);background-size:56px 56px;mask-image:linear-gradient(180deg,#000,transparent 85%)}
.hero .contenedor{position:relative;z-index:1;padding-top:84px;padding-bottom:96px;display:grid;grid-template-columns:1.35fr 1fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(40px,6vw,68px);margin:14px 0 18px}
.hero .sub{font-size:19px;color:rgba(255,255,255,.78);max-width:560px;margin:0 0 30px}
.hero .acciones{display:flex;gap:12px;flex-wrap:wrap}
.hero .orgs-mini{margin-top:40px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;color:rgba(255,255,255,.55);font-size:13px}
.hero .orgs-mini b{color:rgba(255,255,255,.9);font-weight:600}
.ficha{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:28px;backdrop-filter:blur(6px)}
.ficha .dato{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.ficha .dato:last-of-type{border-bottom:none}
.ficha .ico{flex:0 0 42px;height:42px;border-radius:10px;background:rgba(184,149,90,.16);display:flex;align-items:center;justify-content:center;color:var(--oro)}
.ficha .ico svg{width:20px;height:20px}
.ficha small{display:block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.5)}
.ficha strong{font-weight:500;font-size:16px}
.cuenta{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:20px}
.cuenta div{text-align:center;background:rgba(0,0,0,.18);border-radius:10px;padding:12px 4px}
.cuenta b{display:block;font-family:var(--serif);font-size:30px;font-weight:600;line-height:1}
.cuenta span{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.55)}
@media (max-width:900px){.hero .contenedor{grid-template-columns:1fr;gap:36px;padding-top:56px;padding-bottom:64px}}

/* ---------- Secciones ---------- */
.seccion{padding:88px 0}
.seccion.alt{background:var(--tarjeta);border-top:1px solid var(--borde);border-bottom:1px solid var(--borde)}
.titulo-sec{max-width:640px;margin-bottom:44px}
.titulo-sec h2{font-size:clamp(32px,4vw,44px);margin:10px 0 12px;color:var(--marino)}
.titulo-sec p{color:var(--texto-2);margin:0;font-size:17px}
.centrado{text-align:center;margin-left:auto;margin-right:auto}
@media (max-width:700px){.seccion{padding:64px 0}}

.beneficios{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.beneficio{background:var(--tarjeta);border:1px solid var(--borde);border-radius:var(--radio);padding:26px}
.beneficio .num{font-family:var(--serif);font-size:34px;color:var(--oro);line-height:1}
.beneficio h3{font-size:22px;margin:12px 0 8px;color:var(--marino)}
.beneficio p{margin:0;color:var(--texto-2);font-size:15px}
@media (max-width:900px){.beneficios{grid-template-columns:1fr 1fr}}
@media (max-width:540px){.beneficios{grid-template-columns:1fr}}

/* Agenda */
.agenda{max-width:820px;margin:0 auto;border-left:1px solid var(--borde);padding-left:0}
.agenda .item{display:grid;grid-template-columns:110px 1fr;gap:24px;padding:20px 0 20px 0;border-bottom:1px solid var(--borde);position:relative}
.agenda .item:last-child{border-bottom:none}
.agenda .hora{font-family:var(--serif);font-size:24px;font-weight:600;color:var(--oro-2);padding-left:24px;position:relative}
.agenda .hora::before{content:"";position:absolute;left:-5px;top:12px;width:9px;height:9px;border-radius:50%;background:var(--oro);box-shadow:0 0 0 4px var(--fondo)}
.seccion.alt .agenda .hora::before{box-shadow:0 0 0 4px var(--tarjeta)}
.agenda h3{font-family:var(--sans);font-size:17px;font-weight:600;color:var(--marino);margin:4px 0 2px}
.agenda p{margin:0;color:var(--texto-2);font-size:15px}
.nota-agenda{text-align:center;color:var(--texto-2);font-size:14px;margin-top:22px}
@media (max-width:540px){.agenda .item{grid-template-columns:80px 1fr;gap:12px}.agenda .hora{font-size:20px;padding-left:18px}}

/* Organizadores */
.orgs{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.org{background:var(--tarjeta);border:1px solid var(--borde);border-radius:var(--radio);padding:30px;text-align:center}
.org .logo{height:84px;display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.org .logo img{max-height:84px;max-width:200px;object-fit:contain}
.org .monograma{width:76px;height:76px;border-radius:50%;background:var(--marino);color:var(--oro);display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:30px;font-weight:600}
.org h3{font-size:24px;color:var(--marino);margin-bottom:8px}
.org p{margin:0;color:var(--texto-2);font-size:15px}
@media (max-width:820px){.orgs{grid-template-columns:1fr}}

/* Sede */
.sede{display:grid;grid-template-columns:1fr 1.3fr;gap:32px;align-items:stretch}
.sede .info{background:var(--marino);color:#fff;border-radius:var(--radio);padding:34px}
.sede .info h3{font-size:30px;margin:8px 0 12px}
.sede .info p{color:rgba(255,255,255,.75);margin:0 0 6px}
.sede iframe{width:100%;height:100%;min-height:320px;border:0;border-radius:var(--radio);background:#e9e5dc}
@media (max-width:820px){.sede{grid-template-columns:1fr}}

/* ---------- Formulario por pasos ---------- */
.registro-wrap{display:grid;grid-template-columns:320px 1fr;gap:28px;align-items:start}
.registro-lado{position:sticky;top:88px;background:var(--marino);color:#fff;border-radius:var(--radio);padding:28px}
.registro-lado h3{font-size:26px;margin:8px 0 10px}
.registro-lado p{color:rgba(255,255,255,.72);font-size:15px;margin:0 0 18px}
.registro-lado ul{list-style:none;margin:0;padding:0}
.registro-lado li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.85);padding:7px 0}
.registro-lado li::before{content:"✓";color:var(--oro);font-weight:700}
.registro-lado .qr-mini{margin-top:22px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.6)}
@media (max-width:900px){.registro-wrap{grid-template-columns:1fr}.registro-lado{position:static}}

.form-tarjeta{background:var(--tarjeta);border:1px solid var(--borde);border-radius:var(--radio);box-shadow:var(--sombra);overflow:hidden}
.pasos{display:flex;border-bottom:1px solid var(--borde);background:#fbfaf7}
.paso-tab{flex:1;display:flex;align-items:center;gap:10px;padding:16px 20px;font-size:14px;font-weight:500;color:var(--texto-2);border-bottom:2px solid transparent}
.paso-tab .n{flex:0 0 26px;height:26px;border-radius:50%;border:1px solid var(--borde);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;background:#fff}
.paso-tab.activo{color:var(--marino);border-bottom-color:var(--oro)}
.paso-tab.activo .n{background:var(--marino);border-color:var(--marino);color:#fff}
.paso-tab.hecho .n{background:var(--oro);border-color:var(--oro);color:#fff}
@media (max-width:620px){.paso-tab .t{display:none}.paso-tab{justify-content:center}}
.form-cuerpo{padding:32px}
@media (max-width:540px){.form-cuerpo{padding:22px 18px}}
.paso{display:none}
.paso.activo{display:block;animation:entra .25s ease}
@keyframes entra{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.paso h3{font-size:26px;color:var(--marino);margin-bottom:4px}
.paso .desc{color:var(--texto-2);margin:0 0 24px;font-size:15px}
.fila{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.fila.tres{grid-template-columns:1fr 1fr 1fr}
@media (max-width:620px){.fila,.fila.tres{grid-template-columns:1fr}}
.campo{margin-bottom:18px}
.campo label,.grupo-titulo{display:block;font-size:13.5px;font-weight:600;color:var(--texto);margin-bottom:7px}
.campo label .req,.grupo-titulo .req{color:var(--oro-2)}
.campo .ayuda{font-weight:400;color:var(--texto-2)}
.campo input,.campo select,.campo textarea{width:100%;border:1px solid var(--borde);border-radius:9px;padding:12px 13px;font:15px var(--sans);color:var(--texto);background:#fff;transition:border-color .15s,box-shadow .15s}
.campo textarea{min-height:90px;resize:vertical}
.campo input:focus,.campo select:focus,.campo textarea:focus{outline:none;border-color:var(--oro);box-shadow:0 0 0 3px rgba(184,149,90,.18)}
.campo.invalido input,.campo.invalido select{border-color:var(--error);box-shadow:0 0 0 3px rgba(168,58,58,.1)}
.campo .msg-error{display:none;color:var(--error);font-size:12.5px;margin-top:5px}
.campo.invalido .msg-error{display:block}
.chips{display:flex;flex-wrap:wrap;gap:9px}
.chip{position:relative}
.chip input{position:absolute;opacity:0;pointer-events:none}
.chip span{display:inline-block;border:1px solid var(--borde);border-radius:999px;padding:8px 15px;font-size:14px;cursor:pointer;background:#fff;transition:all .15s;user-select:none}
.chip span:hover{border-color:var(--oro)}
.chip input:checked+span{background:var(--marino);border-color:var(--marino);color:#fff}
.chip input:focus-visible+span{box-shadow:0 0 0 3px rgba(184,149,90,.35)}
.check{display:flex;gap:11px;align-items:flex-start;font-size:14px;color:var(--texto-2);margin-bottom:12px;cursor:pointer}
.check input{margin-top:4px;width:17px;height:17px;accent-color:var(--marino);flex:0 0 auto}
.form-pie{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:20px 32px;border-top:1px solid var(--borde);background:#fbfaf7}
@media (max-width:540px){.form-pie{padding:16px 18px}}
.form-pie .progreso{font-size:13px;color:var(--texto-2)}
.trampa{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.alerta{border-radius:10px;padding:14px 16px;font-size:14.5px;margin-bottom:20px}
.alerta.error{background:var(--error-suave);color:var(--error)}
.alerta.ok{background:var(--ok-suave);color:var(--ok)}
.alerta.info{background:var(--oro-suave);color:#6b5226}
.cerrado{text-align:center;padding:56px 24px}

/* FAQ */
.faq{max-width:780px;margin:0 auto}
.faq details{border-bottom:1px solid var(--borde);padding:18px 0}
.faq summary{cursor:pointer;font-weight:600;color:var(--marino);list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::after{content:"+";color:var(--oro);font-size:22px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq p{color:var(--texto-2);margin:10px 0 0}

/* Pie */
.pie{background:var(--marino);color:rgba(255,255,255,.6);padding:44px 0;font-size:14px}
.pie .contenedor{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.pie a{color:rgba(255,255,255,.85)}
.pie b{color:#fff;font-family:var(--serif);font-size:20px;font-weight:600}

/* ---------- Gafete / confirmación ---------- */
.pagina-gafete{min-height:100vh;background:var(--marino);padding:40px 16px;display:flex;flex-direction:column;align-items:center}
.pagina-gafete::before{content:"";position:fixed;inset:0;background:radial-gradient(800px 400px at 80% 0,rgba(184,149,90,.22),transparent 60%);pointer-events:none}
.gafete{position:relative;width:100%;max-width:420px;background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.35)}
.gafete .cab{background:linear-gradient(135deg,var(--marino-2),var(--marino));color:#fff;padding:26px 26px 22px;text-align:center;border-bottom:4px solid var(--oro)}
.gafete .cab h1{font-size:24px;margin:6px 0 4px}
.gafete .cab p{margin:0;font-size:13px;color:rgba(255,255,255,.7)}
.gafete .cuerpo{padding:26px;text-align:center}
.gafete .nombre{font-family:var(--serif);font-size:32px;font-weight:600;color:var(--marino);line-height:1.1}
.gafete .cargo{color:var(--texto-2);font-size:15px;margin:6px 0 2px}
.gafete .empresa{font-weight:600;font-size:16px}
.gafete .tipo{display:inline-block;margin-top:12px;background:var(--oro-suave);color:#6b5226;border-radius:999px;padding:5px 14px;font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase}
.gafete .qr{margin:22px auto 10px;width:212px;height:212px;padding:10px;border:1px solid var(--borde);border-radius:12px;display:flex;align-items:center;justify-content:center}
.gafete .qr img,.gafete .qr canvas{width:190px!important;height:190px!important}
.gafete .folio{font-family:ui-monospace,Menlo,monospace;font-size:15px;letter-spacing:.12em;color:var(--marino);font-weight:600}
.gafete .datos{display:grid;grid-template-columns:1fr 1fr;border-top:1px dashed var(--borde)}
.gafete .datos div{padding:14px 18px;text-align:left;font-size:13.5px}
.gafete .datos div+div{border-left:1px dashed var(--borde)}
.gafete .datos small{display:block;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--texto-2)}
.acciones-gafete{position:relative;width:100%;max-width:420px;display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}
.acciones-gafete .btn{width:100%}
.aviso-gafete{position:relative;max-width:420px;color:rgba(255,255,255,.75);font-size:14px;text-align:center;margin:0 0 20px}
.aviso-gafete h2{color:#fff;font-size:30px;margin-bottom:6px}
.sello{display:inline-flex;align-items:center;gap:8px;background:var(--ok);color:#fff;border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;margin-bottom:12px}
@media print{
  body{background:#fff}
  .pagina-gafete{background:#fff;padding:0}
  .pagina-gafete::before,.acciones-gafete,.aviso-gafete,.no-imprimir{display:none!important}
  .gafete{box-shadow:none;border:1px solid #ccc}
}