/* «Tu idea, real». Mismo lenguaje del sitio: menta-hielo, cristal, Sora, degradado esmeralda-azul.
   La metáfora: un garabato a lápiz sobre una hoja que se convierte en una línea de ventas que sube. */
.i-env{width:min(100% - 2rem,1080px);margin-inline:auto;position:relative;z-index:2;padding:3.2rem 0 0}
.i-tarjeta{background:rgba(255,255,255,.72);border:1px solid rgba(255,255,255,.95);border-radius:var(--r-g);box-shadow:var(--sombra);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);padding:1.5rem}
.i-sobre{display:inline-flex;align-items:center;gap:.55rem;font:600 .82rem var(--display);letter-spacing:.06em;text-transform:uppercase;color:var(--hondo);margin-bottom:1rem}
.i-h2{font-size:clamp(1.6rem,3.6vw,2.3rem);text-align:center;margin-bottom:1.4rem}
.i-tenue{color:var(--tenue)}
.i-centro{text-align:center;max-width:46rem;margin-inline:auto}
.i-acciones{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.4rem}
.i-borde{background:rgba(255,255,255,.6);border-color:var(--borde);color:var(--texto)}
.i-borde:hover{border-color:var(--borde-vivo);transform:translateY(-2px)}

/* Portada */
.i-portada{display:grid;grid-template-columns:1.05fr .95fr;gap:2.5rem;align-items:center;padding-top:3.5rem}
.i-portada h1{font-size:clamp(2.8rem,7.4vw,5.4rem);line-height:.98;letter-spacing:-.045em;margin-bottom:1.1rem}
.i-portada h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.i-entrada{font-size:1.12rem;color:var(--tenue);max-width:34rem}
.i-firma{margin-top:1.3rem;font-size:.88rem;color:var(--tenue-2)}

.i-papel{margin:0;perspective:1200px}
.i-hoja{position:relative;aspect-ratio:4/3.1;border-radius:22px;padding:1.4rem 1.4rem 3.2rem;
  background:
    repeating-linear-gradient(to bottom,transparent 0 31px,rgba(0,96,200,.10) 31px 32px),
    linear-gradient(160deg,#FFFFFF,#F4FAF7);
  border:1px solid rgba(255,255,255,.95);box-shadow:0 40px 80px -40px rgba(6,76,59,.45),0 2px 8px rgba(14,18,32,.05);
  transform:rotateX(8deg) rotateY(-12deg) rotate(-2deg);transform-origin:center;animation:i-flota 7s ease-in-out infinite}
.i-hoja::before{content:"";position:absolute;left:2.4rem;top:0;bottom:0;width:1px;background:rgba(248,32,0,.18)}
.i-garabato{position:absolute;left:3rem;top:1.1rem;font:600 1.5rem "Caveat",cursive;color:#5A6175;transform:rotate(-3deg)}
.i-trazo{position:absolute;inset:3.2rem 1.2rem 3rem 2.6rem;width:calc(100% - 3.8rem);height:calc(100% - 6.2rem);overflow:visible}
.i-lapiz{fill:none;stroke:#7C8296;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:900;stroke-dashoffset:900;animation:i-dibuja 2.2s .3s ease forwards,i-borra 1s 3.4s ease forwards}
.i-ventas{fill:none;stroke:#0B7A2A;stroke-width:5;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:420;stroke-dashoffset:420;animation:i-dibuja 1.6s 3.2s cubic-bezier(.6,0,.2,1) forwards;filter:drop-shadow(0 6px 10px rgba(0,160,160,.35))}
.i-puntos circle{fill:#fff;stroke:#0060C8;stroke-width:3;opacity:0;transform-box:fill-box;transform-origin:center;animation:i-punto .5s ease forwards}
.i-puntos circle:nth-child(1){animation-delay:3.7s}.i-puntos circle:nth-child(2){animation-delay:4.2s}.i-puntos circle:nth-child(3){animation-delay:4.7s;fill:#19C37D;stroke:#fff}
.i-hitos{position:absolute;left:2.6rem;right:1.2rem;bottom:1rem;display:flex;justify-content:space-between;list-style:none;margin:0;padding:0;font:600 .75rem var(--display);color:var(--tenue-2);letter-spacing:.04em;text-transform:uppercase}
.i-hitos li:last-child{color:var(--verde)}
@keyframes i-dibuja{to{stroke-dashoffset:0}}
@keyframes i-borra{to{opacity:.18}}
@keyframes i-punto{from{opacity:0;transform:scale(.2)}to{opacity:1;transform:scale(1)}}
@keyframes i-flota{0%,100%{translate:0 0}50%{translate:0 -10px}}

/* Semanas */
.i-semanas{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;counter-reset:s;position:relative}
.i-semanas::before{content:"";position:absolute;left:4%;right:4%;top:-14px;height:3px;border-radius:3px;background:var(--grad);opacity:.5}
.i-semanas li{position:relative}
.i-semanas li::before{content:"";position:absolute;top:-20px;left:1.5rem;width:15px;height:15px;border-radius:50%;background:#fff;border:3px solid var(--azul)}
.i-semanas li:last-child::before{background:#19C37D;border-color:#fff;box-shadow:0 0 0 4px rgba(25,195,125,.25)}
.i-semanas b{font:600 .78rem var(--display);color:var(--azul);text-transform:uppercase;letter-spacing:.06em}
.i-semanas h3{font-size:1.2rem;margin:.35rem 0 .5rem}
.i-semanas p{font-size:.95rem;color:var(--tenue);margin:0}

/* Lo que pone cada uno */
.i-dos{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.i-dos h3{font-size:1.25rem;margin-bottom:.8rem}
.i-lista{margin:0;padding:0;list-style:none}
.i-lista li{position:relative;padding:.35rem 0 .35rem 1.7rem;color:var(--tenue)}
.i-lista li::before{content:"";position:absolute;left:0;top:.72rem;width:.9rem;height:.5rem;border-left:2.5px solid var(--verde);border-bottom:2.5px solid var(--verde);transform:rotate(-45deg)}
.i-nota{margin:1rem 0 0;padding:.8rem 1rem;border-radius:14px;background:rgba(11,122,42,.08);font-size:.95rem}

.i-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:.6rem;list-style:none;margin:1rem auto 1.2rem;padding:0}
.i-chips li{padding:.6rem 1.1rem;border-radius:999px;background:#fff;border:1px solid var(--borde);font:600 .92rem var(--display);box-shadow:0 8px 20px -14px rgba(14,18,32,.35)}

/* Formulario */
.i-form{max-width:760px;margin-inline:auto;padding:2rem}
.i-trampa{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.i-progreso{height:6px;border-radius:6px;background:rgba(14,18,32,.07);overflow:hidden;margin:1.2rem 0 1.4rem}
.i-progreso i{display:block;height:100%;width:33%;background:var(--grad);border-radius:6px;transition:width .4s}
.i-paso{border:0;margin:0 0 1.2rem;padding:0;min-width:0}
.i-paso legend{display:flex;align-items:center;gap:.6rem;font:700 1.15rem var(--display);margin-bottom:1rem;padding:0}
.i-paso legend b{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--grad);color:#fff;font-size:.9rem}
.i-form label{display:block;font-weight:600;font-size:.93rem;margin-bottom:.9rem}
.i-form label small{font-weight:400;color:var(--tenue-2)}
.i-form input:not([type=radio]):not([type=checkbox]),.i-form textarea{display:block;width:100%;margin-top:.4rem;padding:.8rem .95rem;border-radius:14px;border:1px solid var(--borde);background:#fff;font:400 1rem var(--cuerpo);color:var(--texto);transition:border-color .2s,box-shadow .2s}
.i-form textarea{resize:vertical;min-height:3.2rem}
.i-form input:focus,.i-form textarea:focus{outline:0;border-color:var(--borde-vivo);box-shadow:0 0 0 4px rgba(0,96,200,.12)}
.i-form [aria-invalid=true]{border-color:#E0443A!important}
.i-fila{display:grid;grid-template-columns:1fr 1fr;gap:.9rem}
.i-pregunta{font-weight:600;font-size:.93rem;margin:.2rem 0 .55rem}
.i-pregunta small{font-weight:400;color:var(--tenue-2)}
.i-opciones{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem;border-radius:14px}
.i-opciones[aria-invalid=true]{outline:2px solid rgba(224,68,58,.5);outline-offset:4px}
.i-op{margin:0!important;cursor:pointer}
.i-op input{position:absolute;opacity:0;pointer-events:none}
.i-op span{display:block;padding:.6rem 1rem;border-radius:999px;border:1px solid var(--borde);background:#fff;font-weight:500;font-size:.92rem;transition:all .2s}
.i-op:hover span{border-color:var(--borde-vivo)}
.i-op input:checked+span{background:linear-gradient(135deg,var(--hondo),var(--hondo-2));color:#fff;border-color:transparent;box-shadow:0 8px 20px -10px rgba(0,96,200,.6)}
.i-op input:focus-visible+span{outline:3px solid rgba(0,96,200,.35);outline-offset:2px}
.i-checks{margin-top:.6rem;display:grid;gap:.2rem}
.i-ch{display:flex!important;gap:.7rem;align-items:flex-start;font-weight:400!important;color:var(--tenue);cursor:pointer;margin-bottom:.4rem!important}
.i-ch input{width:20px;height:20px;margin-top:.15rem;flex:none;accent-color:var(--hondo)}
.i-error{color:#C0352C;font-size:.85rem;margin:-.6rem 0 .9rem}
.i-aviso{padding:.8rem 1rem;border-radius:14px;background:rgba(224,68,58,.1);color:#9E2A22;font-weight:500}
.i-nav{display:flex;justify-content:space-between;gap:.7rem;flex-wrap:wrap}
.i-nav .i-enviar{margin-left:auto}

/* Pasos: solo con JS se muestra uno a la vez */
.js .i-paso{display:none}
.js .i-paso.activo{display:block;animation:i-entra .35s ease}
@keyframes i-entra{from{opacity:0;transform:translateX(14px)}to{opacity:1;transform:none}}

/* Preguntas y cierre */
.i-faq details{margin-bottom:.7rem;padding:1.1rem 1.4rem;max-width:760px;margin-inline:auto}
.i-faq summary{cursor:pointer;font:600 1.02rem var(--display);list-style:none;display:flex;justify-content:space-between;gap:1rem}
.i-faq summary::after{content:"+";font-size:1.4rem;line-height:1;color:var(--azul);transition:transform .25s}
.i-faq details[open] summary::after{transform:rotate(45deg)}
.i-faq summary::-webkit-details-marker{display:none}
.i-faq details p{margin:.8rem 0 0;color:var(--tenue)}
.i-cierre{text-align:center;padding-bottom:1rem}
.i-cierre p{font:700 clamp(1.3rem,3vw,1.8rem)/1.25 var(--display);max-width:38rem;margin:0 auto 1.2rem}
.i-wa{display:block;margin-top:1rem;color:var(--tenue);font-size:.92rem}

/* Gracias */
.i-listo{padding-top:4rem;max-width:680px}
.i-gracias{text-align:center;padding:2.4rem 2rem}
.i-gracias h1{font-size:clamp(1.8rem,4.5vw,2.6rem);margin-bottom:1rem}
.i-gracias .i-acciones{justify-content:center}
.i-check{width:72px;height:72px;margin:0 auto 1rem;display:block}
.i-check circle{fill:none;stroke:#19C37D;stroke-width:4;stroke-dasharray:190;stroke-dashoffset:190;animation:i-dibuja .8s ease forwards}
.i-check path{fill:none;stroke:#0B7A2A;stroke-width:5;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:50;stroke-dashoffset:50;animation:i-dibuja .5s .7s ease forwards}

@media (max-width:860px){
  .i-portada{grid-template-columns:1fr;gap:1.6rem;padding-top:2rem}
  .i-papel{max-width:440px;width:100%;margin-inline:auto}
  .i-semanas{grid-template-columns:1fr 1fr}
  .i-semanas::before{display:none}
  .i-semanas li::before{display:none}
}
@media (max-width:560px){
  .i-dos,.i-fila,.i-semanas{grid-template-columns:1fr}
  .i-form{padding:1.4rem 1.1rem}
  .i-tarjeta{padding:1.2rem}
  .i-hoja{transform:rotate(-1.5deg)}
  .i-acciones .btn{flex:1 1 auto}
}
@media (prefers-reduced-motion:reduce){
  .i-hoja{animation:none}
  .i-lapiz{animation:none;stroke-dashoffset:0;opacity:.18}
  .i-ventas,.i-check circle,.i-check path{animation:none;stroke-dashoffset:0}
  .i-puntos circle{animation:none;opacity:1}
  .js .i-paso.activo{animation:none}
}