/* ==========================================================================
   Zarabots — hoja de estilos
   --------------------------------------------------------------------------
   Paleta y tipografía tomadas de la identidad de marca ya existente:
   negro, azul #00B0F0, amarillo #FFC400 y Lato. El azul es el acento
   principal; el amarillo se reserva para las horas, que son la firma de la
   marca (el logo es un reloj). Todo se cambia desde el bloque :root.
   ========================================================================== */

/* --- 1. Tokens ----------------------------------------------------------- */
:root{
  --negro:#000000;
  --noche:#15171A;
  --noche-alt:#232629;
  --azul:#00B0F0;
  --azul-hondo:#0079AB;
  --azul-claro:#33C1F5;
  --amarillo:#FFC400;
  --gris:#9AA0A6;
  --gris-claro:#C4C8CC;
  --blanco:#FFFFFF;

  /* Semánticos: el modo claro solo reasigna estos */
  --bg:var(--negro);
  --bg-alt:var(--noche);
  --surface:var(--noche);
  --surface-2:var(--noche-alt);
  --fg:var(--blanco);
  --fg-soft:var(--gris);
  --border:rgba(255,255,255,.10);
  --acento:var(--azul);

  /* Una sola familia; el contraste lo hace el peso.
     Los números en mono del sistema: sin descarga extra. */
  --sans:"Lato",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;

  --t-h1:clamp(2.5rem,6.5vw,4.75rem);
  --t-h2:clamp(1.875rem,4vw,3rem);
  --t-h3:1.1875rem;
  --t-lede:clamp(1.0625rem,1.5vw,1.25rem);
  --t-body:1.0625rem;
  --t-small:.875rem;
  --t-micro:.75rem;

  --gap:1.5rem;
  --pad-band:clamp(4.5rem,9vw,8rem);
  --r-sm:8px; --r-md:14px; --r-lg:20px;
  --max:1180px; --max-narrow:720px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

[data-tema="claro"]{
  --bg:var(--blanco);
  --bg-alt:#F4F6F8;
  --surface:var(--blanco);
  --surface-2:#F4F6F8;
  --fg:#0B0D0F;
  --fg-soft:#5A6268;
  --border:rgba(11,13,15,.12);
  --acento:var(--azul-hondo);
}

/* --- 2. Reinicio y base -------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
}
body{
  margin:0;background:var(--bg);color:var(--fg);
  font-family:var(--sans);font-size:var(--t-body);font-weight:400;line-height:1.65;
  -webkit-font-smoothing:antialiased;
  transition:background-color .3s var(--ease),color .3s var(--ease);
}
img,svg{display:block;max-width:100%}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3{margin:0;line-height:1.06;letter-spacing:-.025em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}

:where(a,button,input,select,textarea,summary):focus-visible{
  outline:2.5px solid var(--azul);outline-offset:3px;border-radius:var(--r-sm);
}

.skip{position:absolute;left:-9999px;top:0;z-index:200;padding:.75rem 1.25rem;
  background:var(--azul);color:var(--negro);font-weight:700;border-radius:0 0 var(--r-sm) 0}
.skip:focus{left:0}

/* --- 3. Maquetación ------------------------------------------------------ */
.wrap{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:clamp(1.25rem,4vw,2.5rem)}
.wrap--narrow{max-width:var(--max-narrow)}
.band{padding-block:var(--pad-band)}
.band--alt{background:var(--bg-alt)}
.band--dark{background:var(--noche);border-block:1px solid var(--border)}
[data-tema="claro"] .band--dark{background:#0B0D0F;color:var(--blanco)}
.sec-head{max-width:56ch;margin-bottom:clamp(2.5rem,5vw,4rem)}

/* --- 4. Tipografía ------------------------------------------------------- */
/* El contraste de peso hace el trabajo que en otras marcas hace una serif. */
.h-display{font-size:var(--t-h1);font-weight:900;letter-spacing:-.035em}
.h-display em{font-style:normal;color:var(--azul)}
.h-2{font-size:var(--t-h2);font-weight:900;letter-spacing:-.03em}
.h-2--center{text-align:center}
.lede{font-size:var(--t-lede);font-weight:300;color:var(--fg-soft);max-width:46ch;margin-top:1.5rem}
.prose{color:var(--fg-soft);font-weight:300;max-width:60ch;margin-top:1.25rem}
.prose--wide{max-width:66ch;font-size:var(--t-lede)}
.prose--center{margin-inline:auto;text-align:center}

.eyebrow{font-size:var(--t-micro);font-weight:700;letter-spacing:.2em;
  text-transform:uppercase;color:var(--azul);margin-bottom:1rem}
.eyebrow--light{color:var(--azul)}

/* .t = cifras y horas */
.t{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.02em}

/* --- 5. Marca ------------------------------------------------------------ */
.mark{display:inline-flex;align-items:center;gap:.5625rem;text-decoration:none;
  font-weight:900;letter-spacing:-.03em}
.mark__glyph{width:28px;height:28px;flex:none}
.mark__glyph rect{fill:var(--azul)}
.mark__glyph circle,.mark__glyph path{stroke:var(--negro)}
.mark__word{font-size:1.125rem}
.mark__dot{color:var(--azul)}

/* --- 6. Navegación ------------------------------------------------------- */
.nav{position:sticky;top:0;z-index:100;
  background:color-mix(in srgb,var(--bg) 86%,transparent);
  backdrop-filter:blur(14px);border-bottom:1px solid transparent;
  transition:border-color .25s var(--ease)}
.nav.is-stuck{border-bottom-color:var(--border)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:66px}
.nav__links{display:flex;align-items:center;gap:.375rem}
.nav__links a:not(.btn){padding:.5rem .75rem;text-decoration:none;font-size:var(--t-small);
  color:var(--fg-soft);border-radius:var(--r-sm);transition:color .2s var(--ease)}
.nav__links a:not(.btn):hover{color:var(--fg)}
.nav__tools{display:flex;align-items:center;gap:.375rem}

.icobtn{display:grid;place-items:center;width:40px;height:40px;background:none;
  border:1px solid var(--border);border-radius:var(--r-sm);cursor:pointer;
  transition:border-color .2s var(--ease)}
.icobtn:hover{border-color:var(--azul)}
.icobtn svg{width:18px;height:18px;stroke:currentColor}
.nav__burger{display:none;flex-direction:column;gap:4px}
.nav__burger span{display:block;width:17px;height:2px;background:currentColor;
  transition:transform .25s var(--ease),opacity .2s var(--ease)}
.nav__burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav__burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

@media (max-width:860px){
  .nav__burger{display:flex}
  .nav__links{position:absolute;inset:66px 0 auto;flex-direction:column;align-items:stretch;
    gap:.25rem;padding:1rem clamp(1.25rem,4vw,2.5rem) 1.75rem;background:var(--bg);
    border-bottom:1px solid var(--border);transform:translateY(-8px);opacity:0;pointer-events:none;
    transition:opacity .2s var(--ease),transform .2s var(--ease)}
  .nav__links.is-open{transform:none;opacity:1;pointer-events:auto}
  .nav__links a:not(.btn){padding:.75rem .5rem;font-size:1rem}
  .nav__links .btn{margin-top:.5rem}
}

/* --- 7. Botones --------------------------------------------------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.8125rem 1.5rem;border:1.5px solid transparent;border-radius:999px;
  font-size:var(--t-small);font-weight:700;text-decoration:none;cursor:pointer;
  transition:transform .18s var(--ease),background-color .2s var(--ease),
             border-color .2s var(--ease),color .2s var(--ease)}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:none}
.btn--solid{background:var(--azul);color:var(--negro);border-color:var(--azul)}
.btn--solid:hover{background:var(--azul-claro);border-color:var(--azul-claro)}
.btn--ghost{background:none;color:var(--fg);border-color:var(--border)}
.btn--ghost:hover{border-color:var(--azul);color:var(--azul)}
.btn--sm{padding:.5rem 1.0625rem}
.btn--lg{padding:1rem 1.875rem;font-size:1rem}
.btn--full{width:100%}

.cta-row{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:2.25rem}
.tickers{display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;margin-top:2rem;
  font-size:var(--t-small);color:var(--fg-soft)}
.tickers li{display:flex;align-items:center;gap:.5rem}
.tickers li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--azul);flex:none}

/* --- 8. Hero ------------------------------------------------------------ */
.hero{position:relative;padding-block:clamp(3.5rem,7vw,6.5rem) var(--pad-band);overflow:hidden}
/* Resplandor azul: la única decoración de la página */
.hero::before{content:"";position:absolute;top:-30%;right:-10%;
  width:60vw;height:60vw;max-width:760px;max-height:760px;
  background:radial-gradient(circle,rgba(0,176,240,.16),transparent 62%);pointer-events:none}
.hero__grid{position:relative;display:grid;grid-template-columns:1fr;
  gap:clamp(3rem,6vw,5rem);align-items:center}
@media (min-width:940px){.hero__grid{grid-template-columns:1.05fr .95fr}}

/* El chat: la firma de la página */
.chat{background:var(--noche);border:1px solid var(--border);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:0 28px 70px -30px rgba(0,0,0,.8),0 0 0 1px rgba(0,176,240,.08)}
[data-tema="claro"] .chat{background:#0B0D0F;color:var(--blanco)}
.chat__bar{display:flex;align-items:center;gap:.625rem;padding:1rem 1.25rem;
  border-bottom:1px solid rgba(255,255,255,.1)}
.chat__dot{width:8px;height:8px;border-radius:50%;background:var(--azul);flex:none;
  animation:latido 2.4s var(--ease) infinite}
@keyframes latido{0%{box-shadow:0 0 0 0 rgba(0,176,240,.55)}
  70%{box-shadow:0 0 0 9px rgba(0,176,240,0)}100%{box-shadow:0 0 0 0 rgba(0,176,240,0)}}
.chat__who{font-size:var(--t-small);font-weight:700;color:var(--blanco)}
.chat__hour{margin-left:auto;font-size:var(--t-micro);color:var(--amarillo)}
.chat__body{display:flex;flex-direction:column;gap:.625rem;padding:1.25rem}
.msg{position:relative;max-width:86%;padding:.6875rem .875rem 1.5rem;
  border-radius:var(--r-md);font-size:.9375rem;line-height:1.5}
.msg--in{align-self:flex-start;background:var(--noche-alt);color:var(--gris-claro);
  border-bottom-left-radius:4px}
.msg--out{align-self:flex-end;background:var(--azul);color:var(--negro);border-bottom-right-radius:4px}
.msg--ok{background:var(--azul-hondo);color:var(--blanco)}
.msg__t{position:absolute;right:.75rem;bottom:.4375rem;font-family:var(--mono);
  font-size:.625rem;opacity:.6}
.chat__foot{padding:.875rem 1.25rem;border-top:1px solid rgba(255,255,255,.1);
  font-size:var(--t-small);color:var(--gris);text-align:center}

/* --- 8b. El asistente, en acción (capturas reales) ---------------------- */
.shots{display:grid;grid-template-columns:1fr;gap:var(--gap)}
@media (min-width:820px){.shots{grid-template-columns:repeat(3,1fr)}}
.shot{display:flex;flex-direction:column}
.shot picture{display:block;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--border);
  box-shadow:0 28px 70px -30px rgba(0,0,0,.8),0 0 0 1px rgba(0,176,240,.08)}
.shot img{display:block;width:100%;height:auto}
.shot figcaption{margin-top:1.25rem}
.shot__n{font-size:var(--t-micro);font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--amarillo);margin-bottom:.5rem}
.shot__p{font-weight:300;color:var(--fg-soft);font-size:.9375rem}

/* --- 9. Banda del problema --------------------------------------------- */
.band--problema{border-block:1px solid var(--border)}
.stamp{font-size:clamp(3.5rem,10vw,7rem);line-height:1;color:var(--amarillo);
  font-weight:400;margin-bottom:.75rem}

/* --- 10. Tarjetas de sector ------------------------------------------- */
.cards{display:grid;grid-template-columns:1fr;gap:var(--gap)}
@media (min-width:760px){.cards{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1020px){.cards{grid-template-columns:repeat(3,1fr)}}
.card{display:flex;flex-direction:column;padding:clamp(1.5rem,2.5vw,2rem);
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease)}
.card:hover{transform:translateY(-4px);border-color:var(--azul);
  box-shadow:0 20px 50px -26px rgba(0,176,240,.35)}
.card--live{border-color:var(--azul);border-width:2px}
.card__top{margin-bottom:1.25rem}
.card__name{font-size:1.625rem;font-weight:900;letter-spacing:-.03em}
.card__kind{font-size:var(--t-small);font-weight:300;color:var(--fg-soft);margin-top:.25rem}
.card__price{display:flex;align-items:baseline;gap:.375rem;margin-bottom:1.5rem}
.card__price .pre{font-size:var(--t-small);color:var(--fg-soft)}
.card__price .num{font-family:var(--mono);font-size:2.625rem;font-weight:700;letter-spacing:-.04em}
.card__price .per{font-size:var(--t-small);color:var(--fg-soft)}
.feats{display:flex;flex-direction:column;gap:.625rem;margin-bottom:1.75rem;
  font-size:.9375rem;font-weight:300;color:var(--fg-soft)}
.feats li{display:flex;gap:.625rem;align-items:flex-start}
.feats li::before{content:"";flex:none;width:16px;height:16px;margin-top:.28rem;background:var(--azul);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 6L9 17l-5-5' fill='none' stroke='%23000' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat;
          mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 6L9 17l-5-5' fill='none' stroke='%23000' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat}
.card__state{display:flex;align-items:center;gap:.5rem;margin-top:auto;margin-bottom:1rem;
  font-size:var(--t-small);color:var(--fg-soft)}
.pip{width:7px;height:7px;border-radius:50%;background:var(--fg-soft);opacity:.45;flex:none}
.pip--on{background:var(--azul);opacity:1}
.fineprint{margin-top:2rem;font-size:var(--t-small);font-weight:300;
  color:var(--fg-soft);text-align:center}

/* --- 11. Pasos --------------------------------------------------------- */
.steps{display:grid;grid-template-columns:1fr;gap:var(--gap)}
@media (min-width:820px){.steps{grid-template-columns:repeat(3,1fr)}}
.step{padding-top:1.25rem;border-top:2px solid var(--azul)}
.step__n{font-size:var(--t-micro);font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--amarillo);margin-bottom:.75rem}
.step__h{font-size:var(--t-h3);font-weight:700;letter-spacing:-.02em}
.step__p{margin-top:.625rem;font-weight:300;color:var(--fg-soft);font-size:.9375rem}

/* --- 12. Beneficios ---------------------------------------------------- */
.grid-4{display:grid;grid-template-columns:1fr;gap:clamp(1.75rem,3vw,2.5rem)}
@media (min-width:680px){.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1020px){.grid-4{grid-template-columns:repeat(3,1fr)}}
.ben__h{font-size:1.0625rem;font-weight:700;letter-spacing:-.015em;
  padding-left:1rem;border-left:2px solid var(--azul)}
.ben__p{margin-top:.625rem;padding-left:1rem;font-weight:300;
  color:var(--fg-soft);font-size:.9375rem}

/* --- 13. Datos --------------------------------------------------------- */
.stats{display:grid;grid-template-columns:1fr;gap:clamp(2rem,4vw,3rem);margin-top:2.5rem}
@media (min-width:760px){.stats{grid-template-columns:repeat(3,1fr)}}
.stat__n{font-size:clamp(2.5rem,5vw,3.75rem);line-height:1;font-weight:700;color:var(--azul)}
.stat__l{margin-top:.75rem;font-size:var(--t-small);font-weight:300;color:var(--gris);max-width:24ch}

/* --- 15. FAQ ---------------------------------------------------------- */
.faq{display:flex;flex-direction:column}
.qa{border-top:1px solid var(--border)}
.qa:last-child{border-bottom:1px solid var(--border)}
.qa summary{display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:1.375rem 0;cursor:pointer;font-weight:700;list-style:none}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"";flex:none;width:11px;height:11px;
  border-right:2px solid var(--azul);border-bottom:2px solid var(--azul);
  transform:rotate(45deg) translateY(-2px);transition:transform .25s var(--ease)}
.qa[open] summary::after{transform:rotate(225deg) translateY(-2px)}
.qa__a{padding-bottom:1.375rem;font-weight:300;color:var(--fg-soft);max-width:64ch}

/* --- 16. Formulario --------------------------------------------------- */
.form{display:flex;flex-direction:column;gap:1.25rem;margin-top:2.5rem}
.field{display:flex;flex-direction:column;gap:.4375rem}
.field label{font-size:var(--t-small);font-weight:700}
.field .opt{color:var(--fg-soft);font-weight:400}
.field input,.field select,.field textarea{padding:.8125rem 1rem;background:var(--surface-2);
  border:1.5px solid var(--border);border-radius:var(--r-md);transition:border-color .2s var(--ease)}
.field input:hover,.field select:hover,.field textarea:hover{border-color:var(--fg-soft)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--azul)}
.field textarea{resize:vertical;min-height:88px}
.field[data-invalid] input,.field[data-invalid] select{border-color:#FF6B5B}
.err{font-size:var(--t-small);color:#FF6B5B}

#enviar{position:relative}
#enviar[data-loading] .btn__label{opacity:.35}
.btn__spin{position:absolute;width:17px;height:17px;border-radius:50%;
  border:2px solid currentColor;border-top-color:transparent;opacity:0}
#enviar[data-loading] .btn__spin{opacity:1;animation:gira .7s linear infinite}
@keyframes gira{to{transform:rotate(360deg)}}

.form__note{font-size:var(--t-small);font-weight:300;color:var(--fg-soft);text-align:center}
.alt-contact{margin-top:2rem;text-align:center;font-size:var(--t-small);color:var(--fg-soft)}
.alt-contact a{color:var(--azul);text-decoration:underline;
  text-decoration-thickness:1px;text-underline-offset:3px}
.band--cta{background:var(--bg-alt);border-top:1px solid var(--border)}

/* --- 17. Pie ---------------------------------------------------------- */
.foot{background:var(--noche);border-top:1px solid var(--border);
  padding-block:clamp(3rem,6vw,4.5rem) 1.75rem}
[data-tema="claro"] .foot{background:#0B0D0F;color:var(--blanco)}
.foot__grid{display:grid;grid-template-columns:1fr;gap:2.5rem}
@media (min-width:760px){.foot__grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr}}
.foot .mark{color:var(--blanco)}
.foot__tag{margin-top:1rem;font-size:var(--t-small);font-weight:300;color:var(--gris);max-width:30ch}
.foot__col{display:flex;flex-direction:column;gap:.625rem}
.foot__h{font-size:var(--t-micro);font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--azul);margin:0 0 .375rem}
.foot__col a{font-size:var(--t-small);text-decoration:none;color:var(--gris-claro);
  transition:color .2s var(--ease)}
.foot__col a:hover{color:var(--azul)}
.foot__addr{font-size:var(--t-small);font-weight:300;color:var(--gris);line-height:1.55}
.foot__legal{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;
  margin-top:3rem;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.1);
  font-size:var(--t-micro);color:var(--gris)}
.foot__legal nav{display:flex;gap:1.25rem}
.foot__legal a{color:inherit;text-decoration:none}
.foot__legal a:hover{color:var(--azul)}

/* --- 18. Volver arriba y avisos --------------------------------------- */
.up{position:fixed;right:1.25rem;bottom:1.25rem;z-index:90;display:grid;place-items:center;
  width:46px;height:46px;background:var(--azul);color:var(--negro);border:none;border-radius:50%;
  cursor:pointer;box-shadow:0 8px 26px -8px rgba(0,176,240,.6);
  opacity:0;transform:translateY(10px);
  transition:opacity .25s var(--ease),transform .25s var(--ease)}
.up.is-vis{opacity:1;transform:none}
.up svg{width:19px;height:19px;stroke:currentColor}

.toasts{position:fixed;left:50%;bottom:1.5rem;z-index:120;transform:translateX(-50%);
  display:flex;flex-direction:column;gap:.5rem;pointer-events:none}
.toast{padding:.8125rem 1.25rem;background:var(--azul);color:var(--negro);border-radius:999px;
  font-size:var(--t-small);font-weight:700;box-shadow:0 12px 32px -12px rgba(0,0,0,.6);
  animation:sube .3s var(--ease)}
.toast--err{background:#FF6B5B;color:var(--negro)}
@keyframes sube{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

/* --- 19. Revelado al hacer scroll ------------------------------------- */
[data-reveal]{opacity:0;transform:translateY(16px);
  transition:opacity .6s var(--ease),transform .6s var(--ease)}
[data-reveal].is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){[data-reveal]{opacity:1;transform:none}}

/* --- 20. Impresión ---------------------------------------------------- */
@media print{
  .nav,.up,.toasts,.hero__demo{display:none}
  .hero::before{display:none}
  body{background:#fff;color:#000}
}