:root{
  --ist-blue:#304E8B;
  --ist-violet:#6B45CF;
  --ist-magenta:#E24BC4;
  --grad:linear-gradient(118deg,#304E8B 0%,#6B45CF 48%,#E24BC4 100%);
  --ink:#171526;
  --ink-2:#4A4660;
  --muted:#7C7793;
  --line:#E6E2F0;
  --surface:#FFFFFF;
  --ground:#F5F2FA;
  --ok:#137A55;
  --crit:#A9231C;
  --crit-bg:#FBEAE8;
  --r:10px; --r-lg:16px; --r-xl:24px;
  --sans:"Montserrat",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --serif:"Playfair Display","Iowan Old Style",Georgia,serif;
}
@media (prefers-color-scheme:dark){
  :root{
    --ink:#F3F0F9; --ink-2:#C6C1D8; --muted:#918CA8;
    --line:#2C2745; --surface:#191527; --ground:#100D1B;
    --ok:#4BC495; --crit:#F0857C; --crit-bg:#331A18;
    color-scheme:dark;
  }
}
*,*::before,*::after{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; background:var(--ground); color:var(--ink);
  font-family:var(--sans); font-size:15px; line-height:1.6;
  -webkit-font-smoothing:antialiased;
  display:flex; flex-direction:column; min-height:100%;
}
a{color:inherit}
h1,h2{margin:0; line-height:1.14; letter-spacing:-.02em; text-wrap:balance}
p{margin:0}
:focus-visible{outline:2.5px solid var(--ist-magenta); outline-offset:2px; border-radius:4px}

.env{
  position:relative; overflow:hidden;
  flex:1 0 auto; display:grid; place-items:center;
  padding:40px 20px;
}
.env::before{
  content:""; position:absolute; inset:-40% -20% auto -20%; height:170%;
  background:var(--grad); opacity:.13; filter:blur(60px); pointer-events:none;
}
.caja{
  position:relative; width:100%; max-width:470px; text-align:center;
  background:var(--surface); border:1px solid var(--line);
  border-radius:var(--r-xl); padding:clamp(28px,5vw,44px);
  box-shadow:0 2px 4px rgba(23,21,38,.05),0 24px 56px -22px rgba(48,78,139,.3);
}
.marca{display:flex; align-items:center; justify-content:center; gap:11px; margin-bottom:26px}
.marca img{width:44px; height:44px; border-radius:11px; background:#fff; border:1px solid var(--line); padding:5px; display:block}
.marca span{
  font-weight:700; font-size:1.12rem; letter-spacing:.26em; text-transform:uppercase;
  background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent;
}
.eyebrow{
  font-size:.66rem; font-weight:700; letter-spacing:.17em; text-transform:uppercase;
  color:var(--muted); margin-bottom:10px;
}
h1{font-family:var(--serif); font-weight:800; font-size:clamp(1.6rem,5vw,2.1rem); margin-bottom:12px}
h1 em{font-style:italic; background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent}
.bajada{color:var(--ink-2); font-size:.95rem; max-width:38ch; margin:0 auto}

.campo{text-align:left; margin-top:18px}
.campo label{display:block; font-size:.7rem; font-weight:700; letter-spacing:.09em; text-transform:uppercase; color:var(--muted); margin-bottom:6px}
.campo input{
  width:100%; padding:11px 13px; border-radius:var(--r); border:1.5px solid var(--line);
  background:var(--ground); color:var(--ink); font:inherit; font-size:.95rem;
}
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  width:100%; margin-top:22px; padding:12px 20px; border:0; border-radius:100px;
  background:var(--grad); color:#fff; font:inherit; font-weight:600; font-size:.92rem;
  cursor:pointer; text-decoration:none;
  box-shadow:0 8px 22px -10px rgba(226,75,196,.75);
}
.btn.ghost{background:none; color:var(--ink); border:1.5px solid var(--line); box-shadow:none}
.aviso{
  margin-top:18px; padding:11px 14px; border-radius:var(--r); font-size:.85rem;
  background:var(--crit-bg); color:var(--crit); border-left:3px solid var(--crit); text-align:left;
}
.enlaces{display:flex; gap:10px; flex-wrap:wrap; justify-content:center; margin-top:26px}
.enlaces a{
  font-size:.84rem; font-weight:600; text-decoration:none; color:var(--ink-2);
  border:1.5px solid var(--line); border-radius:100px; padding:8px 16px;
}
.enlaces a:hover{border-color:var(--ist-magenta); color:var(--ink)}
.pie{
  flex:0 0 auto; text-align:center; padding:22px 20px;
  font-size:.76rem; color:var(--muted);
}
.pie a{color:var(--muted)}
.barra{
  position:sticky; top:0; z-index:10;
  background:var(--grad); color:#fff; font-size:.78rem; font-weight:600;
  padding:8px 16px; display:flex; gap:14px; align-items:center; justify-content:center; flex-wrap:wrap;
}
.barra a{color:#fff; text-decoration:underline; text-underline-offset:2px}
.marco{flex:1 1 auto; border:0; width:100%; display:block}