/* Auditoría IA — formulario conversacional. Tabla Periódica del Negocio Digital IA · Ekuantum.
   Mismo sistema de diseño que la tabla: Inter/Inter Display, colores de familia, rojo #FF0200. */
@font-face{font-family:'Inter';src:url('../fonts/Inter-Regular.woff2') format('woff2');font-weight:400}
@font-face{font-family:'Inter';src:url('../fonts/Inter-Bold.woff2') format('woff2');font-weight:700}
@font-face{font-family:'Inter';src:url('../fonts/Inter-Black.woff2') format('woff2');font-weight:900}
@font-face{font-family:'Inter Display';src:url('../fonts/InterDisplay-Bold.woff2') format('woff2');font-weight:700}
@font-face{font-family:'Inter Display';src:url('../fonts/InterDisplay-SemiBold.woff2') format('woff2');font-weight:600}

:root{
  --paper:oklch(0.995 0.002 85); --paper-2:oklch(0.975 0.004 85);
  --ink:oklch(0.18 0.006 60); --ink-soft:oklch(0.46 0.010 60);
  --line:oklch(0.90 0.006 85); --line-strong:oklch(0.80 0.008 85); --red:#FF0200;
  --f1:#2563EB;--f2:#F97316;--f3:#DC2626;--f4:#16A34A;--f5:#5B7089;--f6:#7C3AED;--f7:#D4A017;--f8:#14B8A6;
  --g:#16A34A;--y:#E0A32E;--x:#c9ccd1;
  --ease:cubic-bezier(.22,1,.36,1); --font:'Inter',system-ui,sans-serif; --disp:'Inter Display','Inter',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%}
body{font-family:var(--font);color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;overflow:hidden}

/* progreso */
.progress-track{position:fixed;top:0;left:0;right:0;height:6px;background:var(--line);z-index:29}
.progress{position:fixed;top:0;left:0;height:6px;background:var(--red);width:0;z-index:30;transition:width .55s var(--ease)}
.topbar{position:fixed;top:0;right:0;left:0;height:74px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(1rem,4vw,2.5rem);z-index:20}
.brand{display:inline-flex;align-items:center;gap:.6rem;font-weight:900;letter-spacing:.22em;font-size:.92rem;color:var(--ink);text-decoration:none}
.brand img{height:1.6rem;width:auto;max-width:2.6rem;display:block;object-fit:contain}
.pcount{font-weight:700;font-size:.8rem;color:var(--ink-soft)}
.lang{font-weight:700;font-size:.82rem;color:var(--ink-soft);text-decoration:none;border:1px solid var(--line-strong);border-radius:8px;padding:.3rem .6rem}

/* escenario de pasos */
.stage{position:relative;height:100dvh;width:100%;display:flex;align-items:center;justify-content:center;padding:74px clamp(1.25rem,6vw,3.5rem) 90px}
.step{position:absolute;width:min(760px,100%);opacity:0;transform:translateX(60px);pointer-events:none;transition:opacity .45s var(--ease),transform .45s var(--ease)}
.step.active{opacity:1;transform:translateX(0);pointer-events:auto}
.step.leaving{opacity:0;transform:translateX(-60px)}
.step.back{transform:translateX(-60px)} .step.back.active{transform:translateX(0)} .step.back.leaving{transform:translateX(60px)}

.q-num{display:inline-flex;align-items:center;gap:.45rem;color:var(--red);font-weight:700;font-size:1.15rem;margin-bottom:1rem}
.q-num svg{width:1rem;height:1rem}
.q-title{font-family:var(--disp);font-weight:700;font-size:clamp(2rem,5vw,3.4rem);line-height:1.04;letter-spacing:-.025em}
.q-help{color:var(--ink-soft);font-size:clamp(1.08rem,1.7vw,1.3rem);margin-top:.9rem;max-width:58ch}

/* inputs */
.field{margin-top:2.4rem}
.inp{width:100%;font-family:var(--disp);font-weight:600;font-size:clamp(1.6rem,3.6vw,2.4rem);border:none;border-bottom:2px solid var(--line-strong);background:transparent;color:var(--ink);padding:.45rem 0;outline:none;transition:border-color .2s var(--ease)}
.inp::placeholder{color:var(--line-strong)}
.inp:focus{border-color:var(--red)}
textarea.inp{resize:none;line-height:1.3;font-size:clamp(1.2rem,2.6vw,1.6rem)}
.phone-row{display:flex;gap:.8rem;align-items:flex-end;margin-top:2rem}
.cc{font-family:var(--disp);font-weight:600;font-size:clamp(1.2rem,2.6vw,1.7rem);border:none;border-bottom:2px solid var(--line-strong);background:transparent;color:var(--ink);padding:.4rem 1.4rem .4rem 0;outline:none;cursor:pointer;flex:0 0 auto;max-width:42%}
.cc:focus{border-color:var(--red)}
.phone-row .inp{margin-top:0}

/* opciones (choice) */
.opts{display:flex;flex-direction:column;gap:.8rem;margin-top:2.4rem}
.opt{display:flex;align-items:center;gap:1.1rem;text-align:left;font:inherit;font-size:clamp(1.15rem,2.2vw,1.4rem);font-weight:600;
  padding:1.2rem 1.4rem;border:2px solid var(--line-strong);border-radius:15px;background:var(--paper);color:var(--ink);cursor:pointer;
  transition:transform .15s var(--ease),border-color .15s var(--ease),background .15s var(--ease)}
.opt:hover{transform:translateY(-2px);border-color:var(--ink)}
.opt.sel{border-color:var(--red);background:color-mix(in oklch,var(--red) 8%,var(--paper))}
.opt .key{flex:0 0 auto;width:2rem;height:2rem;border-radius:7px;border:1.5px solid var(--line-strong);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.9rem;color:var(--ink-soft)}
.opt.sel .key{background:var(--red);color:#fff;border-color:var(--red)}

/* checklist de familia */
.fam-chip{display:inline-flex;align-items:center;gap:.5rem;font-weight:700;color:#fff;padding:.35rem .8rem;border-radius:999px;font-size:.85rem;margin-bottom:.6rem}
.checks{display:flex;flex-direction:column;gap:.55rem;margin-top:1.6rem;max-height:52vh;overflow-y:auto;padding-right:.3rem}
.chk{display:flex;align-items:center;gap:.8rem;padding:.6rem .3rem;border-bottom:1px solid var(--line)}
.chk-name{flex:1;font-weight:600;font-size:clamp(.95rem,1.7vw,1.08rem)}
.chk-name small{display:block;color:var(--ink-soft);font-weight:400;font-size:.8em}
.tri{display:flex;gap:.35rem;flex:0 0 auto}
.tri button{width:2.3rem;height:2.3rem;border-radius:9px;border:1.5px solid var(--line-strong);background:var(--paper);cursor:pointer;font-size:1rem;display:flex;align-items:center;justify-content:center;transition:transform .12s var(--ease)}
.tri button:hover{transform:translateY(-2px)}
.tri button.on[data-v="y"]{background:var(--g);border-color:var(--g);color:#fff}
.tri button.on[data-v="m"]{background:var(--y);border-color:var(--y);color:#fff}
.tri button.on[data-v="n"]{background:var(--x);border-color:var(--x);color:#3a3a3a}

/* nav */
.step-nav{display:flex;align-items:center;gap:1rem;margin-top:2.2rem}
.btn{font:inherit;font-weight:700;font-size:1.15rem;cursor:pointer;border:none;border-radius:13px;padding:.95rem 1.8rem;background:var(--red);color:#fff;display:inline-flex;align-items:center;gap:.5rem;transition:transform .15s var(--ease),background .15s var(--ease)}
.btn:hover{transform:translateY(-2px)}
.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none}
.btn-ghost{background:transparent;color:var(--ink-soft);padding:.85rem .6rem}
.enter-hint{color:var(--ink-soft);font-size:.85rem}
.enter-hint b{color:var(--ink)}

/* welcome */
.welcome{width:min(1180px,100%);display:grid;grid-template-columns:1fr .92fr;gap:clamp(1.5rem,4vw,3.5rem);align-items:center}
.welcome-txt .eyebrow{color:var(--red);font-weight:800;letter-spacing:.08em;text-transform:uppercase;font-size:.95rem}
.welcome-txt h1{font-family:var(--disp);font-weight:700;font-size:clamp(2.9rem,7vw,5.2rem);line-height:.98;letter-spacing:-.035em;margin:.7rem 0}
.welcome-txt h1 em{font-style:normal;color:var(--red)}
.welcome-txt p{color:var(--ink-soft);font-size:clamp(1.15rem,1.9vw,1.45rem);line-height:1.45;max-width:44ch;margin-bottom:2rem}
.welcome-meta{display:flex;gap:2rem;margin-bottom:2.2rem;flex-wrap:wrap}
.welcome-meta div b{font-family:var(--disp);font-size:2rem;line-height:1;display:block}
.welcome-meta div span{color:var(--ink-soft);font-size:.9rem}
.welcome-img{position:relative;display:flex;justify-content:center;align-items:flex-end;min-height:0}
.welcome-img::before{content:'';position:absolute;inset:2% 4% 0 4%;background:radial-gradient(52% 58% at 52% 42%,color-mix(in oklch,var(--ink) 8%,transparent),transparent 72%);z-index:-2;filter:blur(6px)}
.welcome-img img{width:100%;max-width:560px;height:auto;display:block;filter:drop-shadow(0 30px 44px rgba(20,20,25,.22))}
.welcome-img .halo{position:absolute;inset:auto 0 3% 0;height:66%;background:radial-gradient(56% 60% at 50% 64%,color-mix(in oklch,var(--red) 18%,transparent),transparent 72%);z-index:-1;filter:blur(16px)}

/* thankyou */
.thanks{text-align:center}
.thanks .big{font-family:var(--disp);font-weight:700;font-size:clamp(2rem,5vw,3.2rem);line-height:1.05;letter-spacing:-.02em}
.thanks em{font-style:normal;color:var(--red)}
.wa-note{max-width:52ch;margin:1.6rem auto;background:color-mix(in oklch,#25D366 12%,var(--paper));border:1px solid color-mix(in oklch,#25D366 40%,var(--paper));border-radius:16px;padding:1.1rem 1.3rem;font-size:1.05rem;line-height:1.5;color:var(--ink)}
.wa-note b{color:#128C4B}

@media (max-width:760px){
  .welcome{grid-template-columns:1fr;text-align:center}
  .welcome-txt p{margin-inline:auto}.welcome-meta{justify-content:center}
  .welcome-img{order:-1}.welcome-img img{max-width:260px}
  .stage{padding:64px 1.25rem 84px;align-items:flex-start;padding-top:88px}
  .step{position:relative;width:100%}
  .checks{max-height:none;overflow:visible}
  .tri button{width:2.6rem;height:2.6rem}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}