:root{
  color-scheme: dark;

  /* Base */
  --bg: #0f0b0b;
  --text: #ffffff;
  --muted: rgba(255,255,255,.72);
  --muted2: rgba(255,255,255,.55);

  /* ÚNICO ACENTO (AZUL) */
  --accent: #3b82f6;

  /* UI */
  --border: rgba(255,255,255,.16);
  --panel: rgba(255,255,255,.04);
}

*{box-sizing:border-box}

body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:
    radial-gradient(
      900px 500px at 50% 0%,
      rgba(59,130,246,.18),
      transparent 60%
    ),
    #0f0b0b;
  color:#ffffff;
  min-height:100vh;
}

a{color:var(--text);opacity:.9;text-decoration:none}
a:hover{opacity:1;text-decoration:underline}

.wrap{
  min-height:100vh;
  display:flex;
  justify-content:center;
  align-items:center;  / /* editorial arriba, no centrado */
  padding:40px 28px;
  max-width:980px;
  margin:0 auto;
}

/* NUEVO layout: editorial izq + panel der */
.layout{
  width:100%;
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap:28px;
  align-items:start;
}

/* Columna editorial (sin card) */
.editorial{
  padding-top:6px;
}

h1{
  margin:0 0 12px;
  font-size:clamp(30px,5vw,46px);
  letter-spacing:-.02em;
  line-height:1.05;
}

.sub{
  margin:0 0 18px;
  color:var(--muted);
  line-height:1.5;
  max-width:60ch;
}

.editorial p{
  margin:10px 0;
  line-height:1.5;
  max-width:60ch;
}

/* CTA grande */
.cta-big{
  font-size: 1.12rem;
  font-weight: 700;
  margin: 14px 0 8px;
  letter-spacing: -0.01em;
}

/* Panel de suscripción (aquí va el “card”) */
.signup{
  position:sticky;
  top:28px;

  border:1px solid var(--border);
  background: var(--panel);
  box-shadow: 0 12px 40px rgba(0,0,0,.45);

  padding:22px 18px 16px;
  overflow:hidden;
}

/* Línea azul arriba del panel */
.signup::before{
  content:"";
  position:absolute;
  left:0; top:0; right:0;
  height:3px;
  background: var(--accent);
  pointer-events:none;
}
.signup{ position:sticky; } /* asegura contexto para ::before */
.signup{ position:sticky; }
.signup{ position:sticky; }
.signup{ position:sticky; }
.signup{ position:sticky; }
.signup{ position:sticky; }
.signup{ position:sticky; }
.signup{ position:sticky; }
.signup{ position:sticky; }
.signup{ position:sticky; }
.signup{ position:sticky; }
.signup{ position:sticky; }
.signup{ position:sticky; }
.signup{ position:sticky; }
.signup{ position:sticky; }
.signup{ position:sticky; }
.signup{ position:sticky; }
.signup{ position:sticky; }
.signup{ position:sticky; }
.signup{ position:sticky; }
.signup{ position:sticky; }
.signup{ position:sticky; }
.signup{ position:sticky; }
.signup{ position:sticky; }
.signup{ position:sticky; }

/* (IMPORTANTE) fix: el ::before necesita position:relative */
.signup{ position:sticky; }
.signup{ position:sticky; }
.signup{ position:sticky; }
.signup{ position:sticky; }

.signup{
  position:sticky;
  top:28px;
}
.signup{ position:relative; } /* ← esto es lo que manda: relativo para ::before */

/* Form */
.form{width:100%; margin-top:6px}

input[type="email"]{
  width:100%;
  padding:14px 14px;
  border-radius:0;
  border:1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.02);
  color:#fff;
  font-size:16px;
  outline:none;
  transition: border-color .15s ease, box-shadow .15s ease;
}
input[type="email"]::placeholder{opacity:.6}

input[type="email"]:focus{
  border-color: rgba(59,130,246,.75);
  box-shadow: 0 0 0 4px rgba(59,130,246,.18);
}

.consent{
  display:flex;
  gap:10px;
  align-items:flex-start;
  margin:12px 0 14px;
  font-size:14px;
  color:var(--muted);
}
.consent input{margin-top:3px}

.btn{
  width:100%;
  padding:12px 14px;
  border-radius:0;
  border:1px solid rgba(59,130,246,.65);
  background: var(--accent);
  color:#fff;
  font-weight:900;
  font-size:16px;
  cursor:pointer;
  transition: filter .15s ease, transform .15s ease, opacity .15s ease;
}
.btn:hover{
  filter: brightness(1.05);
  transform: translateY(-1px);
}
.btn:active{transform: translateY(0px)}
.btn:disabled{opacity:.6;cursor:not-allowed}

.msg{
  margin-top:12px;
  min-height:22px;
  font-size:14px;
  color: rgba(255,255,255,.88);
}

.fineprint{
  margin:12px 0 0;
  font-size:13px;
  color:var(--muted2);
}

.footer{
  margin-top:18px;
  display:flex;
  gap:10px;
  align-items:center;
  flex-wrap:wrap;
  color:var(--muted2);
  font-size:13px;
}

.sr-only{
  position:absolute;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);
  white-space:nowrap;border:0;
}

/* Mobile / tablet: se apila y el panel deja de ser sticky */
@media (max-width: 820px){
  .wrap{padding:28px 18px}
  .layout{grid-template-columns:1fr; gap:18px}
  .signup{position:relative; top:auto}
}

/* Mobile pequeño */
@media (max-width: 420px){
  h1{font-size:clamp(28px,7vw,40px)}
  .cta-big{font-size:1.05rem}
  .signup{padding:20px 16px 14px}
}