/* Clave Bíblica — sistema visual: carmesí de la marca, oro de lámpara, fondo de pergamino claro o noche */
:root{
  --bg:#fdfaf6; --bg2:#f6efe6; --card:#ffffff; --ink:#1f1414; --muted:#6b5a55; --line:#ead9c9;
  --red:#a3161c; --red-deep:#6e0d12; --gold:#b8860b; --gold-bright:#e3b13c; --on-red:#fff8ec; --on-gold:#2a1a05;
  --ok:#2f6b3a; --warn:#9a5b00;
  --f-display:"Cinzel","Trajan Pro",Georgia,serif;
  --f-body:"Lora",Georgia,"Times New Roman",serif;
  --f-ui:"Figtree","Helvetica Neue",Arial,sans-serif;
  --r:10px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#140b0c; --bg2:#1d1112; --card:#221415; --ink:#f4ebdf; --muted:#b9a79d; --line:#3a2426;
  --red:#d4313a; --red-deep:#8e1b22; --gold:#e3b13c; --gold-bright:#f2c95c; --on-red:#fff8ec; --on-gold:#2a1a05;
  --ok:#7cc48a; --warn:#f0b35a; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#140b0c; --bg2:#1d1112; --card:#221415; --ink:#f4ebdf; --muted:#b9a79d; --line:#3a2426;
  --red:#d4313a; --red-deep:#8e1b22; --gold:#e3b13c; --gold-bright:#f2c95c; --on-red:#fff8ec; --on-gold:#2a1a05;
  --ok:#7cc48a; --warn:#f0b35a; color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:1.06rem;line-height:1.7}
img{max-width:100%}
a{color:var(--red)}
h1,h2,h3{font-family:var(--f-display);font-weight:700;line-height:1.15;text-wrap:balance;margin:0;letter-spacing:.01em}
p{margin:0}
.wrap{max-width:1100px;margin-inline:auto;padding-inline:20px}
.read{max-width:660px}
.stack{display:flex;flex-direction:column;gap:16px}
.eyebrow{font-family:var(--f-ui);font-weight:700;font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold)}
.muted{color:var(--muted)}
.fine{font-family:var(--f-ui);font-size:.82rem;color:var(--muted)}
[hidden]{display:none!important}

/* Botones */
.btn{font-family:var(--f-ui);font-weight:700;font-size:1rem;padding:14px 22px;border-radius:999px;border:0;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:transform .15s,filter .15s,background .15s}
.btn:hover{transform:translateY(-1px);filter:brightness(1.06)}
.btn-red{background:var(--red);color:var(--on-red)}
.btn-gold{background:var(--gold-bright);color:var(--on-gold)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--gold)}
.btn-sm{padding:9px 16px;font-size:.9rem}
.btn-block{width:100%}
:focus-visible{outline:3px solid var(--gold-bright);outline-offset:2px}

/* Marca */
.brand{display:flex;align-items:center;gap:10px;font-family:var(--f-display);font-weight:700;font-size:1.15rem;color:var(--ink);text-decoration:none;letter-spacing:.04em}
.brand-mark{width:34px;height:34px;flex:none}

/* Formularios */
input[type=email],input[type=text],textarea{width:100%;min-width:0;font-family:var(--f-ui);font-size:1rem;padding:13px 14px;border:1.5px solid var(--line);border-radius:var(--r);background:var(--card);color:var(--ink)}
input:focus,textarea:focus{border-color:var(--gold);outline:none}
label{font-family:var(--f-ui);font-weight:700;font-size:.9rem}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}}