/* ═══════════════════════════════════════════════════════════
   Xibalba DSP — sistema de diseño compartido
   Misma paleta que el plugin y el manual (cohesión de marca).
   ═══════════════════════════════════════════════════════════ */

:root {
  --deep:#0b0d10;        /* fondo de página */
  --bg:#14171b;          /* fondo de sección */
  --panel:#1e2228;       /* tarjetas */
  --panel-hi:#262b32;    /* superficie elevada */
  --display:#101317;     /* fondo de visualizador */
  --line:#2e343c;        /* divisores 1px */
  --text:#c9ced6;
  --dim:#6d7683;
  --amber:#f0a63c;
  --amber-dim:#a97728;
  --red:#ff4530;
  --green:#57d97a;
  --blue:#5fa8d3;
  --radius:8px;
  --maxw:1080px;
}

* { margin:0; padding:0; box-sizing:border-box; -webkit-font-smoothing:antialiased; }

html { scroll-behavior:smooth; }

body {
  background:var(--deep);
  color:var(--text);
  font-family:'Inter','SF Pro Display',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  font-size:16px;
  line-height:1.65;
}

img, svg { max-width:100%; }
a { color:var(--amber); text-decoration:none; }
a:hover { color:#ffc266; }

.wrap { max-width:var(--maxw); margin:0 auto; padding:0 24px; }
.narrow { max-width:760px; margin:0 auto; }

/* ─── Tipografía ─── */
h1, h2, h3 { color:#fff; line-height:1.2; letter-spacing:-0.01em; }
h2 { font-size:clamp(26px, 3.6vw, 38px); font-weight:700; }
h3 { font-size:19px; font-weight:600; }
.eyebrow {
  font-size:11px; letter-spacing:.22em; text-transform:uppercase;
  color:var(--amber); font-weight:600; margin-bottom:14px;
}
.lede { font-size:clamp(17px, 2vw, 20px); color:var(--text); }
.dim { color:var(--dim); }

/* ─── Marca ─── */
.brand { display:flex; align-items:center; gap:10px; }
.brand-name { font-size:12px; letter-spacing:.2em; color:var(--dim); font-weight:600; }
.brand-name b { color:var(--amber); font-weight:600; }

/* ─── Nav ─── */
.nav {
  position:sticky; top:0; z-index:50;
  background:rgba(11,13,16,.88); backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-in { display:flex; align-items:center; justify-content:space-between; height:62px; }
.nav-links { display:flex; align-items:center; gap:26px; font-size:14px; }
.nav-links a { color:var(--dim); }
.nav-links a:hover { color:var(--text); }

/* ─── Botones ─── */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  height:46px; padding:0 24px; border-radius:6px; border:1px solid transparent;
  font-size:14.5px; font-weight:600; letter-spacing:.02em; cursor:pointer;
  transition:transform .12s ease, background .12s ease, border-color .12s ease;
  white-space:nowrap;
}
.btn:active { transform:translateY(1px); }
.btn-primary { background:var(--amber); color:#101317; }
.btn-primary:hover { background:#ffb851; color:#101317; }
.btn-ghost { border-color:var(--line); color:var(--text); background:transparent; }
.btn-ghost:hover { border-color:var(--dim); color:#fff; }
.btn-sm { height:38px; padding:0 16px; font-size:13.5px; }

/* ─── Secciones ─── */
section { padding:88px 0; border-bottom:1px solid var(--line); }
section.tight { padding:60px 0; }
.sec-head { margin-bottom:44px; }
.sec-head p { margin-top:12px; color:var(--dim); max-width:620px; }

/* ─── Grids ─── */
.grid { display:grid; gap:20px; }
.g2 { grid-template-columns:repeat(2, 1fr); }
.g3 { grid-template-columns:repeat(3, 1fr); }
.g4 { grid-template-columns:repeat(4, 1fr); }

/* ─── Tarjetas ─── */
.card {
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius);
  padding:26px;
}
.card h3 { margin-bottom:8px; }
.card p { font-size:14.5px; color:var(--dim); }
.card .tag {
  display:inline-block; margin-bottom:14px; padding:3px 9px; border-radius:4px;
  background:rgba(240,166,60,.12); border:1px solid rgba(240,166,60,.35);
  color:var(--amber); font-size:10.5px; letter-spacing:.12em; font-weight:600;
  text-transform:uppercase;
}

/* ─── Visualizador embebido ─── */
.viz {
  background:var(--display); border:1px solid #000; border-radius:var(--radius);
  padding:14px; overflow-x:auto;
}
.viz svg { display:block; margin:0 auto; height:auto; }
.caption { text-align:center; color:var(--dim); font-size:13px; margin-top:10px; }
.caption em { color:var(--amber); font-style:normal; }

/* ─── Notas ─── */
.note {
  background:var(--panel); border-left:3px solid var(--amber);
  border-radius:0 6px 6px 0; padding:14px 18px; font-size:14.5px; margin:18px 0;
}
.note b:first-child { color:var(--amber); }

/* Bloque de trabajo pendiente — NO debe llegar a producción */
.todo {
  border:1px dashed var(--red); border-radius:var(--radius);
  background:rgba(255,69,48,.06); padding:22px; margin:18px 0;
}
.todo b { color:var(--red); display:block; margin-bottom:6px;
  font-size:11px; letter-spacing:.14em; text-transform:uppercase; }
.todo p { font-size:14px; color:var(--text); }

/* ─── Tablas ─── */
table { width:100%; border-collapse:collapse; font-size:14.5px; }
th, td { text-align:left; padding:11px 14px; border-bottom:1px solid var(--line); }
th { color:var(--dim); font-size:11px; letter-spacing:.1em; text-transform:uppercase; font-weight:600; }
td:first-child { color:var(--amber); white-space:nowrap; }

/* ─── Precio ─── */
.price-card {
  background:linear-gradient(180deg, var(--panel-hi), var(--panel));
  border:1px solid rgba(240,166,60,.4); border-radius:12px;
  padding:40px; text-align:center;
}
.price-now { font-size:56px; font-weight:700; color:#fff; line-height:1; letter-spacing:-.02em; }
.price-was { font-size:19px; color:var(--dim); text-decoration:line-through; margin-left:10px; }
.price-note { color:var(--amber); font-size:13.5px; letter-spacing:.1em;
  text-transform:uppercase; font-weight:600; margin-top:14px; }
.price-list { list-style:none; margin:28px 0; text-align:left; display:inline-block; }
.price-list li { padding:7px 0; font-size:14.5px; color:var(--text); }
.price-list li::before { content:"✓"; color:var(--green); margin-right:10px; font-weight:700; }

/* ─── FAQ ─── */
details {
  border-bottom:1px solid var(--line); padding:18px 0;
}
summary {
  cursor:pointer; font-weight:600; color:#fff; font-size:16px;
  list-style:none; display:flex; justify-content:space-between; gap:16px;
}
summary::-webkit-details-marker { display:none; }
summary::after { content:"+"; color:var(--amber); font-weight:400; font-size:20px; }
details[open] summary::after { content:"−"; }
details p { margin-top:12px; color:var(--dim); font-size:14.5px; }

/* ─── Footer ─── */
footer { padding:56px 0 72px; border-bottom:none; }
.foot-in { display:flex; justify-content:space-between; gap:32px; flex-wrap:wrap; }
.foot-col h4 {
  font-size:11px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--dim); margin-bottom:12px; font-weight:600;
}
.foot-col a { display:block; color:var(--text); font-size:14px; padding:3px 0; }
.foot-col a:hover { color:var(--amber); }
.legal { margin-top:44px; padding-top:24px; border-top:1px solid var(--line);
  color:var(--dim); font-size:12.5px; }

/* ─── Responsive ─── */
@media (max-width:860px) {
  .g4 { grid-template-columns:repeat(2, 1fr); }
  .g3 { grid-template-columns:1fr; }
  .g2 { grid-template-columns:1fr; }
  section { padding:64px 0; }
  .nav-links { gap:16px; }
  .nav-links .hide-sm { display:none; }
}
@media (max-width:560px) {
  .g4 { grid-template-columns:1fr; }
  .price-card { padding:28px 20px; }
  .price-now { font-size:44px; }
}