/* =====================================================================
   Portal de Gestión Humana — pantallas de acceso (login y registro)
   Sin dependencias externas. Todo el movimiento respeta
   prefers-reduced-motion.
   ===================================================================== */

:root{
  --azul:#1E5A98;      --azul-hondo:#0E2C4C;   --azul-claro:#4E93D4;
  --naranja:#F68B0B;   --oro:#C69638;
  --tinta:#16181D;     --tinta-2:#4A5159;      --tinta-3:#858D96;
  --linea:#E4E8ED;     --linea-2:#F0F3F6;
  --panel:#FFFFFF;     --fondo:#F4F6F9;
  --error:#A31515;     --error-bg:#FBE9E9;
  --ok:#1B7A3D;        --ok-bg:#E6F5EB;
  --aviso:#8A6100;     --aviso-bg:#FFF6DF;
}

*,*::before,*::after{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; background:var(--fondo); color:var(--tinta);
  font:15px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--azul); text-decoration:none}
a:hover{text-decoration:underline}

/* ------------------------------------------------------------ armazón */
.acceso{
  min-height:100vh; min-height:100dvh;
  display:grid; grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);
}

/* ============================== PANEL IZQUIERDO — la marca ========== */
.escena{
  position:relative; overflow:hidden; isolation:isolate;
  display:flex; flex-direction:column; justify-content:space-between;
  padding:52px 56px; color:#fff;
  background:linear-gradient(150deg,#0B2440 0%,#154572 42%,#1E5A98 100%);
}

/* auroras que se desplazan lentamente */
.aurora{
  position:absolute; border-radius:50%; filter:blur(72px);
  opacity:.55; z-index:-2; will-change:transform;
}
.aurora.a1{width:520px; height:520px; top:-140px; left:-120px;
  background:radial-gradient(circle,#3C86D8 0%,rgba(60,134,216,0) 70%);
  animation:derivaA 22s ease-in-out infinite;}
.aurora.a2{width:460px; height:460px; bottom:-160px; right:-80px;
  background:radial-gradient(circle,#F68B0B 0%,rgba(246,139,11,0) 70%);
  opacity:.42; animation:derivaB 27s ease-in-out infinite;}
.aurora.a3{width:400px; height:400px; top:38%; right:12%;
  background:radial-gradient(circle,#C69638 0%,rgba(198,150,56,0) 70%);
  opacity:.38; animation:derivaC 31s ease-in-out infinite;}

@keyframes derivaA{
  0%,100%{transform:translate3d(0,0,0) scale(1)}
  33%{transform:translate3d(70px,50px,0) scale(1.12)}
  66%{transform:translate3d(30px,110px,0) scale(.95)}
}
@keyframes derivaB{
  0%,100%{transform:translate3d(0,0,0) scale(1)}
  50%{transform:translate3d(-90px,-60px,0) scale(1.16)}
}
@keyframes derivaC{
  0%,100%{transform:translate3d(0,0,0) scale(1)}
  40%{transform:translate3d(-60px,70px,0) scale(1.1)}
  75%{transform:translate3d(40px,-40px,0) scale(.92)}
}

/* retícula tenue y viñeta */
.escena::before{
  content:""; position:absolute; inset:0; z-index:-1; opacity:.13;
  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:radial-gradient(ellipse 80% 65% at 30% 40%, #000 20%, transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 80% 65% at 30% 40%, #000 20%, transparent 78%);
}
.escena::after{
  content:""; position:absolute; inset:0; z-index:-1; pointer-events:none;
  background:radial-gradient(ellipse 90% 70% at 50% 50%, transparent 40%, rgba(6,20,36,.55) 100%);
}

.escena-cab{display:flex; align-items:center; gap:13px}
.sello{
  width:42px; height:42px; border-radius:13px; flex:none;
  display:grid; place-items:center;
  background:linear-gradient(140deg, rgba(255,255,255,.22), rgba(255,255,255,.06));
  border:1px solid rgba(255,255,255,.26);
  backdrop-filter:blur(6px);
}
.escena-cab .rot{font-size:.72rem; letter-spacing:.19em; text-transform:uppercase;
  color:rgba(255,255,255,.72); font-weight:600; line-height:1.4}
.escena-cab .rot strong{display:block; font-size:.95rem; letter-spacing:.02em;
  text-transform:none; color:#fff; font-weight:650}

.escena-centro{max-width:520px; padding:34px 0}
.escena-centro h1{
  font-size:clamp(2rem, 3.2vw, 2.9rem); line-height:1.12; margin:0 0 18px;
  font-weight:680; letter-spacing:-.022em;
}
.escena-centro h1 .brillo{
  background:linear-gradient(100deg,#fff 10%,#BFDBFF 38%,#FFD9A1 62%,#fff 88%);
  background-size:220% 100%;
  -webkit-background-clip:text; background-clip:text; color:transparent;
  animation:barrer 9s ease-in-out infinite;
}
@keyframes barrer{
  0%,100%{background-position:0% 50%}
  50%{background-position:100% 50%}
}
.escena-centro p{
  color:rgba(255,255,255,.78); font-size:1.02rem; line-height:1.65; margin:0 0 26px;
  max-width:44ch;
}

.rasgos{list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:13px}
.rasgos li{display:flex; align-items:center; gap:12px; font-size:.93rem; color:rgba(255,255,255,.9)}
.rasgos .punto{
  width:29px; height:29px; border-radius:9px; flex:none; display:grid; place-items:center;
  background:rgba(255,255,255,.13); border:1px solid rgba(255,255,255,.2);
}

/* tarjetas de las empresas */
.marcas{display:flex; gap:12px; flex-wrap:wrap}
.marca{
  background:#fff; border-radius:13px; padding:11px 16px; height:72px;
  display:grid; place-items:center; flex:1 1 0; min-width:112px;
  box-shadow:0 10px 26px rgba(4,16,32,.28);
  transition:transform .45s cubic-bezier(.2,.7,.3,1), box-shadow .45s;
  animation:flotar 7s ease-in-out infinite;
}
.marca:nth-child(2){animation-delay:-2.3s}
.marca:nth-child(3){animation-delay:-4.6s}
.marca img{max-height:38px; max-width:100%; width:auto; display:block}
.marca.destacada{transform:translateY(-7px) scale(1.045); box-shadow:0 18px 38px rgba(4,16,32,.4)}
@keyframes flotar{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-5px)}
}
.marca.destacada{animation-play-state:paused}
.escena-pie{font-size:.78rem; color:rgba(255,255,255,.55); margin-top:22px}

/* ============================== PANEL DERECHO — el formulario ======= */
.tablero{
  display:flex; align-items:center; justify-content:center;
  padding:44px 40px; background:var(--panel); position:relative;
}
.tablero::before{
  content:""; position:absolute; inset:0; pointer-events:none;
  background:radial-gradient(760px 420px at 100% 0%, rgba(30,90,152,.05), transparent 62%);
}
.formulario{width:100%; max-width:392px; position:relative}

.saludo{margin-bottom:28px}
.saludo .eyebrow{
  font-size:.71rem; letter-spacing:.16em; text-transform:uppercase;
  color:var(--tinta-3); font-weight:700; margin-bottom:9px; display:block;
}
.saludo h2{font-size:1.72rem; margin:0 0 7px; font-weight:670; letter-spacing:-.02em}
.saludo p{margin:0; color:var(--tinta-3); font-size:.93rem}

/* entrada escalonada de cada elemento */
.surge{opacity:0; transform:translateY(14px); animation:surgir .62s cubic-bezier(.2,.7,.3,1) forwards}
.surge:nth-child(1){animation-delay:.05s}
.surge:nth-child(2){animation-delay:.12s}
.surge:nth-child(3){animation-delay:.19s}
.surge:nth-child(4){animation-delay:.26s}
.surge:nth-child(5){animation-delay:.33s}
.surge:nth-child(6){animation-delay:.40s}
.surge:nth-child(7){animation-delay:.47s}
@keyframes surgir{to{opacity:1; transform:translateY(0)}}

/* --------- campos con etiqueta flotante --------- */
.campo-f{position:relative; margin-bottom:17px}
.campo-f input,
.campo-f select{
  width:100%; font:inherit; font-size:.97rem; color:var(--tinta);
  background:#FBFCFD; border:1.5px solid var(--linea); border-radius:12px;
  padding:23px 15px 9px; height:60px; appearance:none;
  transition:border-color .2s, background .2s, box-shadow .2s;
}
.campo-f.con-icono input{padding-right:46px}
.campo-f input::placeholder{color:transparent}
.campo-f label{
  position:absolute; left:16px; top:19px; font-size:.97rem; color:var(--tinta-3);
  pointer-events:none; transform-origin:left top;
  transition:transform .2s cubic-bezier(.2,.7,.3,1), color .2s;
}
.campo-f input:focus,
.campo-f select:focus{
  outline:none; background:#fff; border-color:var(--azul);
  box-shadow:0 0 0 4px rgba(30,90,152,.11);
}
.campo-f input:focus + label,
.campo-f input:not(:placeholder-shown) + label,
.campo-f.siempre label{
  transform:translateY(-11px) scale(.76); color:var(--azul); font-weight:600;
}
.campo-f select{padding-top:24px; cursor:pointer}
.campo-f select + label{transform:translateY(-11px) scale(.76); font-weight:600}
.campo-f select:focus + label{color:var(--azul)}
.campo-f .flecha{
  position:absolute; right:16px; top:50%; transform:translateY(-50%);
  pointer-events:none; color:var(--tinta-3); transition:transform .25s;
}
.campo-f select:focus ~ .flecha{transform:translateY(-50%) rotate(180deg); color:var(--azul)}

.ojo{
  position:absolute; right:8px; top:50%; transform:translateY(-50%);
  width:36px; height:36px; border:none; background:none; cursor:pointer;
  color:var(--tinta-3); border-radius:9px; display:grid; place-items:center;
  transition:color .2s, background .2s;
}
.ojo:hover{color:var(--azul); background:var(--linea-2)}
.ojo:focus-visible{outline:2px solid var(--azul); outline-offset:1px}

/* --------- botón --------- */
.entrar{
  position:relative; width:100%; height:52px; margin-top:6px;
  font:inherit; font-size:.98rem; font-weight:650; color:#fff; cursor:pointer;
  border:none; border-radius:12px; overflow:hidden;
  background:linear-gradient(120deg,#1E5A98 0%,#2D74AA 52%,#1E5A98 100%);
  background-size:200% 100%;
  box-shadow:0 6px 18px rgba(30,90,152,.28);
  transition:transform .18s cubic-bezier(.2,.7,.3,1), box-shadow .18s, background-position .5s;
}
.entrar:hover{transform:translateY(-2px); box-shadow:0 11px 26px rgba(30,90,152,.36); background-position:100% 0}
.entrar:active{transform:translateY(0)}
.entrar:focus-visible{outline:3px solid rgba(30,90,152,.4); outline-offset:2px}
.entrar .texto{display:inline-flex; align-items:center; gap:9px; transition:opacity .2s}
.entrar .flecha-btn{transition:transform .25s cubic-bezier(.2,.7,.3,1)}
.entrar:hover .flecha-btn{transform:translateX(4px)}
.entrar .aro{
  position:absolute; inset:0; margin:auto; width:21px; height:21px; opacity:0;
  border:2.5px solid rgba(255,255,255,.32); border-top-color:#fff; border-radius:50%;
  transition:opacity .2s;
}
.entrar.cargando{pointer-events:none}
.entrar.cargando .texto{opacity:0}
.entrar.cargando .aro{opacity:1; animation:girar .7s linear infinite}
@keyframes girar{to{transform:rotate(360deg)}}

/* --------- avisos --------- */
.aviso{
  display:flex; gap:10px; align-items:flex-start;
  padding:12px 14px; border-radius:11px; font-size:.88rem; margin-bottom:18px;
  border:1px solid; line-height:1.45;
}
.aviso svg{flex:none; margin-top:1px}
.aviso-error{background:var(--error-bg); border-color:#F0C5C5; color:var(--error);
  animation:temblar .45s .1s both}
/* Cuando el aviso también entra con la animación de aparición, se encadenan
   las dos: primero surge y luego llama la atención con el temblor. */
.surge.aviso-error{
  animation:surgir .5s cubic-bezier(.2,.7,.3,1) forwards, temblar .45s .5s;
}
.aviso-ok{background:var(--ok-bg); border-color:#BFE3CB; color:var(--ok)}
.aviso-info{background:var(--aviso-bg); border-color:#EFDCA8; color:var(--aviso)}
@keyframes temblar{
  10%,90%{transform:translateX(-2px)}
  20%,80%{transform:translateX(3px)}
  30%,50%,70%{transform:translateX(-5px)}
  40%,60%{transform:translateX(5px)}
}

.remate{margin-top:22px; text-align:center; font-size:.9rem; color:var(--tinta-3)}
.remate a{font-weight:600}
.enlace-sutil{
  display:inline-flex; align-items:center; gap:5px; position:relative;
}
.enlace-sutil::after{
  content:""; position:absolute; left:0; right:0; bottom:-2px; height:1.5px;
  background:currentColor; transform:scaleX(0); transform-origin:right;
  transition:transform .28s cubic-bezier(.2,.7,.3,1);
}
.enlace-sutil:hover{text-decoration:none}
.enlace-sutil:hover::after{transform:scaleX(1); transform-origin:left}

.separador{
  display:flex; align-items:center; gap:12px; margin:24px 0 20px;
  color:var(--tinta-3); font-size:.76rem; letter-spacing:.06em; text-transform:uppercase;
}
.separador::before,.separador::after{content:""; flex:1; height:1px; background:var(--linea)}

.pie-legal{
  margin-top:26px; padding-top:18px; border-top:1px solid var(--linea-2);
  font-size:.75rem; color:var(--tinta-3); line-height:1.55; text-align:center;
}

/* --------- variante ancha (registro) --------- */
.formulario.ancho{max-width:560px}
.rejilla-f{display:grid; grid-template-columns:1fr 1fr; gap:0 14px}
.rejilla-f .ancho-total{grid-column:1/-1}
@media (max-width:560px){ .rejilla-f{grid-template-columns:1fr} }

/* --------- instalador --------- */
.pasos-i{list-style:none; padding:0; margin:0 0 24px; display:flex; gap:8px; counter-reset:p}
.pasos-i li{
  flex:1; font-size:.73rem; color:var(--tinta-3); text-align:center;
  padding-top:24px; position:relative; counter-increment:p; line-height:1.3;
}
.pasos-i li::before{
  content:counter(p); position:absolute; top:0; left:50%; transform:translateX(-50%);
  width:20px; height:20px; border-radius:50%; background:var(--linea);
  color:var(--tinta-3); font-weight:700; font-size:.68rem; display:grid; place-items:center;
  transition:background .3s, color .3s;
}
.pasos-i li.hecho{color:var(--azul); font-weight:650}
.pasos-i li.hecho::before{background:var(--azul); color:#fff}

/* ============================== adaptable ========================== */
@media (max-width:980px){
  .acceso{grid-template-columns:1fr; grid-template-rows:auto 1fr}
  .escena{padding:30px 28px 34px; min-height:auto}
  .escena-centro{padding:22px 0 24px; max-width:none}
  .escena-centro h1{font-size:1.68rem; margin-bottom:12px}
  .escena-centro p{font-size:.94rem; margin-bottom:20px}
  .rasgos{flex-direction:row; flex-wrap:wrap; gap:9px}
  .rasgos li{
    font-size:.8rem; background:rgba(255,255,255,.1); padding:6px 12px 6px 8px;
    border-radius:100px; border:1px solid rgba(255,255,255,.14);
  }
  .rasgos .punto{width:22px; height:22px; border-radius:7px; background:transparent; border:none}
  .escena-pie{display:none}
  .marca{height:58px; padding:8px 10px; min-width:0; flex:1 1 0}
  .marcas{gap:9px}
  .tablero{padding:34px 24px 46px; align-items:flex-start}
}
@media (max-width:520px){
  .escena{padding:24px 20px 28px}
  .escena-centro h1{font-size:1.44rem}
  .escena-centro p{display:none}
  .tablero{padding:28px 20px 40px}
  .saludo h2{font-size:1.5rem}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important; animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .surge{opacity:1; transform:none}
}