/* Universo de calma — base compartida. Estética única (noche cálida), elegida a propósito para todas las herramientas. */
:root{
  --night:#1d1a2e;      /* fondo */
  --night-2:#29243f;    /* superficies */
  --ink:#f3ece4;        /* texto */
  --ink-soft:rgba(243,236,228,.70);
  --line:rgba(243,236,228,.16);
  --accent:#f2a477;     /* cada herramienta lo redefine */
  --display:"Young Serif", Georgia, "Times New Roman", serif;
  --body:"Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;
  color-scheme:dark;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--night);color:var(--ink);font:400 16px/1.55 var(--body);-webkit-font-smoothing:antialiased}
a{color:var(--ink)}
canvas.bg{position:fixed;inset:0;width:100%;height:100%;display:block;z-index:0}
.wrap{position:relative;z-index:1;max-width:1040px;margin:0 auto;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.top{display:flex;justify-content:space-between;align-items:center;gap:12px;padding-block:18px;font-size:.85rem}
.brand{font-family:var(--display);font-size:1.05rem;text-decoration:none;letter-spacing:.01em}
.brand span{color:var(--accent)}
.top nav{display:flex;gap:16px;flex-wrap:wrap}
.top nav a{color:var(--ink-soft);text-decoration:none}
.top nav a:hover,.top nav a[aria-current]{color:var(--ink)}
.eyebrow{font-size:.75rem;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);margin:0}
h1,h2,h3{font-family:var(--display);font-weight:400;margin:0;text-wrap:balance}
h1{font-size:clamp(2rem,5.5vw,3.6rem);line-height:1.06}
h2{font-size:clamp(1.4rem,3vw,2rem);line-height:1.15}
h3{font-size:1.15rem}
p{margin:0}
.lead{color:var(--ink-soft);font-size:clamp(1rem,2.1vw,1.15rem);max-width:52ch}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;font:600 .98rem var(--body);border-radius:999px;padding:.8em 1.5em;cursor:pointer;
  border:1px solid transparent;text-decoration:none;transition:transform .2s ease,background .2s ease,border-color .2s ease;color:var(--night);background:var(--ink)}
.btn:hover{transform:translateY(-1px)}
.btn.ghost{background:rgba(255,255,255,.06);color:var(--ink);border-color:var(--line)}
.btn.ghost[aria-pressed="true"]{border-color:var(--accent);color:var(--accent)}
.btn.small{padding:.5em 1em;font-size:.85rem}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font:500 .85rem var(--body);padding:.45em .95em;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--ink-soft);cursor:pointer}
.chip[aria-pressed="true"]{border-color:var(--accent);color:var(--ink);background:rgba(255,255,255,.06)}
input[type=range]{accent-color:var(--accent);width:100%}
.panel{background:rgba(41,36,63,.72);border:1px solid var(--line);border-radius:18px;padding:18px;backdrop-filter:blur(8px)}
.foot{position:relative;z-index:1;border-top:1px solid var(--line);margin-top:56px;padding-block:22px calc(22px + env(safe-area-inset-bottom,0px));font-size:.82rem;color:var(--ink-soft)}
.foot .wrap{display:flex;flex-wrap:wrap;gap:10px 22px;justify-content:space-between}
.foot a{color:var(--ink-soft)}
.article{max-width:68ch;display:grid;gap:14px;color:var(--ink-soft)}
.article h2{color:var(--ink);margin-top:10px}
.article strong{color:var(--ink);font-weight:600}
.article ol,.article ul{margin:0;padding-left:1.2em;display:grid;gap:6px}
.faq details{border-top:1px solid var(--line);padding-block:12px}
.faq summary{cursor:pointer;color:var(--ink);font-weight:500}
.faq p{margin-top:8px}
.tila{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}
.tila p{max-width:48ch;color:var(--ink-soft)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}