/* ════════════════════════════════════════════════════════════════════════════
   Yonke — la página de venta (yonke.com.mx). Maqueta aprobada:
   docs/wireframe-pagina-web.html. Sin frameworks, como la app.
   ════════════════════════════════════════════════════════════════════════════ */
:root{
  --bg:#f7f9f9; --bg2:#ffffff; --suave:#eef3f2;
  --ink:#0f1c1b; --ink2:#4d5f5c; --ink3:#7b8b88;
  --linea:#e3e9e8; --ac:#14b8a6; --ac2:#0d9488; --acbg:#e6f7f5;
  --osc:#0f1c1b; --azul:#0ea5e9; --rojo:#e11d48;
  --r:14px;
  --seg:'Segoe UI',system-ui,-apple-system,Roboto,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--seg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit}
img{max-width:100%;display:block}
.cont{max-width:1120px;margin:0 auto;padding:0 20px}

/* ── Botones ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:12px 20px;border-radius:11px;
  font:700 15px/1 var(--seg);border:1.5px solid var(--linea);background:var(--bg2);color:var(--ink);
  text-decoration:none;cursor:pointer;transition:transform .12s,filter .12s}
.btn:hover{filter:brightness(.97)} .btn:active{transform:scale(.98)}
.btn.pri{background:var(--ac);border-color:var(--ac);color:#fff}
.btn.osc{background:var(--osc);border-color:var(--osc);color:#fff}
.btn.rojo{background:var(--rojo);border-color:var(--rojo);color:#fff}
.btn.chico{padding:8px 13px;font-size:13.5px;border-radius:9px}
.btn.ancho{width:100%}

/* ── Barra ── */
.nav{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--linea)}
.nav .cont{display:flex;align-items:center;gap:22px;height:62px}
.logo{display:flex;align-items:center;gap:9px;font-weight:900;font-size:20px;letter-spacing:-.5px;text-decoration:none}
.logo i{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,#2dd4bf,#0f766e);
  display:inline-flex;align-items:center;justify-content:center;font-style:normal;font-size:16px}
.nav .enl{display:flex;gap:20px}
.nav .enl a{font-size:14.5px;color:var(--ink2);text-decoration:none}
.nav .enl a:hover{color:var(--ink)}
.nav .sp{flex:1}
@media(max-width:720px){ .nav .enl{display:none} .nav .entrar{display:none} }

/* ── Secciones ── */
section{padding:72px 0}
section.suave{background:var(--suave)}
.h1{font-size:clamp(34px,5.4vw,56px);font-weight:900;letter-spacing:-1.5px;line-height:1.05}
.h1 span{color:var(--ac2)}
.h2{font-size:clamp(26px,3.6vw,38px);font-weight:900;letter-spacing:-1px;line-height:1.15;text-align:center}
.bajada{color:var(--ink2);font-size:17px;margin-top:14px}
.centro{text-align:center;max-width:640px;margin-left:auto;margin-right:auto}

/* ── Portada ── */
.hero{padding:64px 0 56px}
.hero .cont.dos{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.hero .ctas{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.hero .conf{margin-top:14px;font-size:13.5px;color:var(--ink3)}
.shot{background:var(--osc);border-radius:18px;padding:14px;box-shadow:0 30px 60px -28px rgba(15,28,27,.55)}
.shot .puntos{display:flex;gap:6px;margin-bottom:10px} .shot .puntos i{width:9px;height:9px;border-radius:50%;background:#34403e}
.pant{background:#141c1b;border-radius:10px;padding:14px;color:#e8eeed;font-size:13.5px;min-height:120px}
.pant .buscar{background:#1d2625;border:1px solid #2f3b39;border-radius:9px;padding:10px 12px;color:#9aa9a5}
.pant .fila{display:flex;align-items:center;gap:10px;background:#1d2625;border-radius:8px;padding:9px 12px;margin-top:7px}
.pant .fila b{flex:1;font-weight:600}
.pant .ok{color:#7cf0bd;font-weight:800} .pant .gris{color:#8b9a97}
.pant .dedo{display:inline-block;background:var(--ac);color:#fff;border-radius:8px;padding:6px 12px;font-weight:800;
  box-shadow:0 0 0 5px rgba(20,184,166,.3);animation:late 1.6s infinite}
@keyframes late{50%{box-shadow:0 0 0 9px rgba(20,184,166,.12)}}
.pant .chip{display:inline-block;border:1px solid #374343;border-radius:99px;padding:3px 10px;font-size:12px;color:#9aa9a5;margin:3px 4px 0 0}
.pant .chip.si{border-color:#14b8a6;color:#7cf0bd}
.pant .tit{font-weight:800;font-size:14.5px;margin-bottom:8px}
@media(max-width:860px){ .hero .cont.dos{grid-template-columns:1fr} }

.dolores{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:44px}
.dolores div{background:var(--bg2);border:1px solid var(--linea);border-radius:var(--r);padding:18px}
.dolores .ic{font-size:24px} .dolores b{display:block;margin:8px 0 4px;font-size:15.5px}
.dolores span{font-size:14px;color:var(--ink2)}
@media(max-width:860px){ .dolores{grid-template-columns:1fr 1fr} }
@media(max-width:480px){ .dolores{grid-template-columns:1fr} }

/* ── Funciones con demostración ── */
.funciones{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:36px}
.fn{background:var(--bg2);border:1px solid var(--linea);border-radius:16px;padding:22px;display:flex;flex-direction:column}
.fn .ic{font-size:28px} .fn b{font-size:17px;margin:10px 0 6px} .fn p{font-size:14.5px;color:var(--ink2);flex:1}
.fn .btn{margin-top:16px;align-self:flex-start}
@media(max-width:860px){ .funciones{grid-template-columns:1fr 1fr} }
@media(max-width:560px){ .funciones{grid-template-columns:1fr} }

.pasos{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:36px;text-align:center}
.pasos .n{width:42px;height:42px;border-radius:50%;background:var(--ac);color:#fff;font-weight:900;font-size:18px;
  display:inline-flex;align-items:center;justify-content:center}
.pasos b{display:block;margin:10px 0 4px;font-size:16.5px} .pasos span{font-size:14.5px;color:var(--ink2)}
@media(max-width:720px){ .pasos{grid-template-columns:1fr} }

/* ── Precios ── */
.planes{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px;align-items:stretch}
.plan{background:var(--bg2);border:1.5px solid var(--linea);border-radius:18px;padding:26px;display:flex;flex-direction:column;position:relative}
.plan.pop{background:var(--osc);border-color:var(--osc);color:#fff}
.plan.pro{border-color:#8ee3d5}
.plan .tag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--azul);color:#fff;
  font-size:12px;font-weight:800;letter-spacing:.06em;padding:6px 14px;border-radius:99px;white-space:nowrap}
.plan .nom{font-size:19px;font-weight:800} .plan.pop .nom{color:#7dd3fc}
.plan .tog{display:flex;background:rgba(15,28,27,.06);border-radius:11px;padding:4px;margin:14px 0 6px}
.plan.pop .tog{background:rgba(255,255,255,.08)}
.plan .tog[hidden]{display:none}
.plan .tog button{flex:1;border:0;background:transparent;padding:9px 6px;border-radius:9px;font:700 14px var(--seg);
  color:inherit;cursor:pointer;opacity:.7}
.plan .tog button.on{background:var(--ac);color:#fff;opacity:1}
.plan.pop .tog button.on{background:var(--azul)}
.plan .tog small{font-size:11.5px;font-weight:800}
.plan .precio{font-size:46px;font-weight:900;letter-spacing:-2px;margin-top:10px;line-height:1.1}
.plan .precio small{font-size:15px;font-weight:600;letter-spacing:0;opacity:.7}
.plan .anual{font-size:14px;opacity:.72;min-height:22px}
.plan .ahorro{margin-top:10px;background:rgba(20,184,166,.13);color:var(--ac2);font-weight:800;font-size:14px;padding:8px 12px;border-radius:9px}
.plan.pop .ahorro{background:rgba(14,165,233,.18);color:#7dd3fc}
.plan .ahorro[hidden]{display:none}
.plan ul{list-style:none;margin:18px 0 22px;display:flex;flex-direction:column;gap:10px;font-size:15px;flex:1}
.plan li{position:relative;padding-left:24px} .plan li::before{content:'✓';position:absolute;left:0;color:var(--ac);font-weight:900}
.plan.pop li::before{color:#7dd3fc}
.plan li.no{opacity:.45} .plan li.no::before{content:'✕';color:inherit}
.letra{font-size:13.5px;color:var(--ink3);text-align:center;margin-top:22px;line-height:1.7}
@media(max-width:900px){ .planes{grid-template-columns:1fr;max-width:460px;margin-left:auto;margin-right:auto} .plan .tag{top:-13px} }

/* ── Preguntas ── */
.faq{max-width:760px;margin:32px auto 0;display:flex;flex-direction:column;gap:10px}
.faq details{background:var(--bg2);border:1px solid var(--linea);border-radius:12px;padding:16px 20px}
.faq summary{font-weight:700;font-size:16px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::after{content:'+';font-weight:400;color:var(--ink3);font-size:20px;line-height:1}
.faq details[open] summary::after{content:'−'}
.faq p{font-size:15px;color:var(--ink2);margin-top:10px}

.final{background:var(--osc);color:#fff;text-align:center}
.final .bajada{color:#b5c2c0}
.final .ctas{margin-top:26px;display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.pie{padding:24px 0;font-size:13.5px;color:var(--ink3);background:var(--bg2);border-top:1px solid var(--linea)}
.pie .cont{display:flex;gap:18px;flex-wrap:wrap;align-items:center} .pie .sp{flex:1}
.pie a{text-decoration:none}

/* ── Las demostraciones (el motor está en web/demos.js) ── */
.wd-fondo{position:fixed;inset:0;z-index:50;background:rgba(15,28,27,.6);display:flex;align-items:center;justify-content:center;padding:16px}
.wd-fondo[hidden]{display:none}
.wd-caja{background:#fff;border-radius:18px;width:100%;max-width:640px;max-height:calc(100dvh - 32px);overflow:auto;
  box-shadow:0 30px 70px -20px rgba(0,0,0,.5)}
.wd-cab{display:flex;align-items:center;gap:10px;padding:16px 20px;border-bottom:1px solid var(--linea)}
.wd-cab h3{flex:1;font-size:17px}
.wd-x{border:0;background:transparent;font-size:26px;line-height:1;color:var(--ink3);cursor:pointer;padding:0 4px}
.wd-barra{display:flex;gap:6px;padding:14px 20px 0} .wd-barra i{flex:1;height:5px;border-radius:99px;background:var(--linea)}
.wd-barra i.on{background:var(--ac)}
.wd-tit{padding:14px 20px 0;font-weight:800;font-size:18px} .wd-desc{padding:4px 20px 0;font-size:15px;color:var(--ink2)}
.wd-esc{margin:16px 20px}
.wd-esc .pant{min-height:190px}
.wd-pie{display:flex;gap:10px;padding:0 20px 18px} .wd-pie .sp{flex:1}
.wd-cargando{padding:40px 20px;text-align:center;color:var(--ink3)}