/* =========================================================================
   AndeSys · sistema de diseño
   Paleta: verde pino + piedra fría + dorado "sello autorizado".
   Tipografía: Archivo (display) · IBM Plex Sans (texto) · IBM Plex Mono (cifras)
   ========================================================================= */
:root{
  --ink:#0F1A15;        /* fondo oscuro, pizarra-bosque */
  --ink-2:#16241D;
  --pine:#14624B;       /* verde marca */
  --pine-d:#0E4C3A;
  --jade:#2FA47C;       /* verde vivo, acentos */
  --paper:#F2F5F2;      /* blanco piedra frío */
  --paper-2:#E8EDE9;
  --stone:#D6DED8;      /* bordes */
  --gold:#C6912E;       /* dorado sello / autorizado */
  --gold-soft:#E9CE86;
  --text:#16211C;
  --muted:#5C6B63;
  --muted-2:#7C8A82;
  --light:rgba(255,255,255,.74);
  --light-2:rgba(255,255,255,.52);

  --r:14px; --r-lg:22px;
  --wrap:1180px;
  --shadow:0 18px 50px -24px rgba(15,26,21,.45);
  --shadow-sm:0 8px 24px -14px rgba(15,26,21,.4);

  --f-display:'Archivo',system-ui,sans-serif;
  --f-body:'IBM Plex Sans',system-ui,sans-serif;
  --f-mono:'IBM Plex Mono',ui-monospace,monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--f-body);
  color:var(--text);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img,svg{display:block}
em{font-style:normal;color:var(--pine)}
.mono{font-family:var(--f-mono);font-feature-settings:"tnum" 1;letter-spacing:-.01em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 clamp(20px,5vw,40px)}
.ic{width:22px;height:22px;flex:none}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.55em;
  font-family:var(--f-display);font-weight:600;font-size:.95rem;
  padding:.72em 1.35em;border-radius:999px;border:1.5px solid transparent;
  cursor:pointer;transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
  line-height:1;white-space:nowrap;
}
.btn .ic{width:19px;height:19px}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn--solid{background:var(--pine);color:#fff}
.btn--solid:hover{background:var(--pine-d);box-shadow:var(--shadow-sm)}
.btn--outline{background:transparent;color:var(--pine);border-color:var(--stone)}
.btn--outline:hover{border-color:var(--pine);background:#fff}
.btn--outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.28)}
.btn--outline-light:hover{border-color:#fff;background:rgba(255,255,255,.06)}
.btn--ghost{background:transparent;color:var(--text)}
.btn--ghost:hover{color:var(--pine)}
.btn--gold{background:var(--gold);color:#241a06}
.btn--gold:hover{background:var(--gold-soft);box-shadow:0 12px 28px -14px rgba(198,145,46,.7)}
.btn--lg{font-size:1rem;padding:.9em 1.6em}
.btn--block{width:100%;justify-content:center}

/* ---------- Nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(242,245,242,.82);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s}
.nav.is-scrolled{border-color:var(--stone);box-shadow:0 6px 20px -18px rgba(15,26,21,.6)}
.nav__in{display:flex;align-items:center;gap:2rem;height:70px}
.brand{display:flex;align-items:center;gap:.55rem;color:var(--pine)}
.brand__mark{display:grid;place-items:center;width:38px;height:38px;background:var(--pine);color:#fff;border-radius:11px}
.brand__mark svg{width:24px;height:24px}
.brand__name{font-family:var(--f-display);font-weight:800;font-size:1.32rem;letter-spacing:-.02em;color:var(--text)}
.nav__links{display:flex;gap:1.6rem;margin-left:auto;font-weight:500;font-size:.95rem}
.nav__links a{color:var(--muted);transition:color .15s}
.nav__links a:hover{color:var(--text)}
.nav__cta{display:flex;gap:.6rem;align-items:center}
.nav__burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.nav__burger span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:.25s}
.nav.is-open .nav__burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav.is-open .nav__burger span:nth-child(2){opacity:0}
.nav.is-open .nav__burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;padding:clamp(3rem,7vw,6rem) 0 clamp(3rem,6vw,5rem);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
   radial-gradient(60% 55% at 78% 12%,rgba(47,164,124,.14),transparent 70%),
   radial-gradient(50% 50% at 8% 90%,rgba(20,98,75,.08),transparent 70%);pointer-events:none}
.hero__in{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--f-mono);font-size:.78rem;font-weight:500;
  text-transform:uppercase;letter-spacing:.08em;color:var(--pine);background:rgba(20,98,75,.08);
  padding:.42em .85em;border-radius:999px;margin-bottom:1.4rem}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--jade);box-shadow:0 0 0 4px rgba(47,164,124,.22)}
.hero__title{font-family:var(--f-display);font-weight:800;letter-spacing:-.028em;line-height:1.04;
  font-size:clamp(2.1rem,5.2vw,3.7rem);margin-bottom:1.3rem}
.hero__lead{font-size:clamp(1.02rem,1.4vw,1.16rem);color:var(--muted);max-width:37ch;margin-bottom:2rem}
.hero__actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-bottom:1.7rem}
.hero__proof{display:flex;align-items:flex-start;gap:.55rem;font-size:.94rem;color:var(--muted);max-width:42ch}
.hero__proof .ic{color:var(--jade);margin-top:2px}
.hero__proof strong{color:var(--text)}

/* Comprobante */
.hero__art{position:relative;display:grid;place-items:center}
.hero__glow{position:absolute;inset:auto;width:78%;height:78%;background:radial-gradient(circle,rgba(47,164,124,.28),transparent 68%);filter:blur(30px);z-index:-1}
.doc{width:min(400px,100%);background:#fff;border:1px solid var(--stone);border-radius:var(--r-lg);
  box-shadow:var(--shadow);padding:1.6rem;transform:rotate(-1.4deg);transition:transform .4s ease}
.hero__art:hover .doc{transform:rotate(0)}
.doc__head{display:flex;justify-content:space-between;align-items:flex-start;padding-bottom:1rem;border-bottom:1px dashed var(--stone)}
.doc__kicker{font-family:var(--f-mono);font-size:.68rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted-2)}
.doc__type{font-family:var(--f-display);font-weight:800;font-size:1.5rem;letter-spacing:-.02em;color:var(--text)}
.stamp{font-family:var(--f-display);font-weight:700;font-size:.72rem;letter-spacing:.06em;color:var(--pine);
  border:2px solid var(--jade);border-radius:8px;padding:.35em .6em;transform:rotate(6deg);position:relative;top:4px}
.doc__meta{display:grid;grid-template-columns:1fr 1fr;gap:.7rem 1rem;padding:1.1rem 0;border-bottom:1px dashed var(--stone)}
.doc__meta div:first-child{grid-column:1/-1}
.doc__meta dt{font-size:.64rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted-2)}
.doc__meta dd{font-size:.9rem;color:var(--text);margin-top:1px}
.doc__lines{padding:1rem 0 .3rem}
.line{display:flex;justify-content:space-between;font-size:.9rem;color:var(--muted);padding:.22rem 0}
.line span:last-child{color:var(--text)}
.line--total{margin-top:.5rem;padding-top:.7rem;border-top:1px solid var(--stone);font-family:var(--f-display);font-weight:700;font-size:1.05rem}
.line--total span{color:var(--text)}
.doc__foot{display:flex;gap:1rem;align-items:center;padding-top:1.1rem;margin-top:.6rem;border-top:1px dashed var(--stone)}
.qr{width:74px;height:74px;flex:none;border:1px solid var(--stone);border-radius:6px;padding:3px;background:var(--paper)}
.doc__authlabel{font-size:.62rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted-2)}
.doc__authnum{font-size:.78rem;color:var(--text);word-break:break-all;margin:2px 0 .55rem}
.balance{display:inline-flex;align-items:center;gap:.35em;font-family:var(--f-mono);font-size:.72rem;font-weight:500;
  color:var(--pine);background:rgba(20,98,75,.09);padding:.3em .6em;border-radius:999px}
.balance .ic{width:14px;height:14px;color:var(--jade)}

/* ---------- Tira de datos ---------- */
.facts{background:var(--ink);color:#fff}
.facts__in{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;padding:2.2rem 0}
.fact{text-align:center;border-right:1px solid rgba(255,255,255,.1)}
.fact:last-child{border-right:none}
.fact__n{display:block;font-size:clamp(1.8rem,4vw,2.6rem);font-weight:600;color:var(--jade);line-height:1}
.fact__l{display:block;margin-top:.4rem;font-size:.86rem;color:var(--light-2);text-transform:uppercase;letter-spacing:.04em}

/* ---------- Secciones ---------- */
.section{padding:clamp(3.5rem,7vw,6rem) 0}
.section--paper{background:var(--paper-2)}
.section--ink{background:var(--ink);color:#fff}
.section__eyebrow{font-family:var(--f-mono);font-size:.8rem;font-weight:500;text-transform:uppercase;letter-spacing:.08em;color:var(--pine);margin-bottom:.9rem}
.section--ink .section__eyebrow{color:var(--jade)}
.section__head{max-width:44rem;margin-bottom:3rem}
.section__title{font-family:var(--f-display);font-weight:800;letter-spacing:-.025em;line-height:1.1;font-size:clamp(1.7rem,3.4vw,2.5rem)}
.section__sub{margin-top:1rem;font-size:1.05rem;color:var(--muted)}
.section__head--light .section__sub{color:var(--light)}

/* Statement */
.statement{max-width:52rem;margin-bottom:3.5rem}
.statement__big{font-family:var(--f-display);font-weight:600;letter-spacing:-.02em;line-height:1.28;font-size:clamp(1.35rem,2.8vw,2rem)}

/* Diferenciadores */
.diffs{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
.diff{background:#fff;border:1px solid var(--stone);border-radius:var(--r);padding:1.7rem}
.diff__ic{display:grid;place-items:center;width:46px;height:46px;border-radius:12px;background:rgba(20,98,75,.08);color:var(--pine);margin-bottom:1.1rem}
.diff__t{font-family:var(--f-display);font-weight:700;font-size:1.14rem;letter-spacing:-.01em;margin-bottom:.5rem}
.diff__d{font-size:.94rem;color:var(--muted)}

/* Módulos */
.mods{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
.mod{background:#fff;border:1px solid var(--stone);border-radius:var(--r);padding:1.6rem;transition:transform .2s,box-shadow .2s,border-color .2s}
.mod:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:var(--jade)}
.mod__ic{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--ink);color:var(--jade);margin-bottom:1rem}
.mod__t{font-family:var(--f-display);font-weight:700;font-size:1.08rem;margin-bottom:.5rem}
.mod__d{font-size:.9rem;color:var(--muted)}

/* Billing toggle */
.billing{display:inline-flex;gap:.25rem;margin-top:1.7rem;background:var(--paper-2);border:1px solid var(--stone);border-radius:999px;padding:.3rem}
.section--paper .billing{background:#fff}
.billing__opt{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--f-display);font-weight:600;font-size:.92rem;
  color:var(--muted);background:none;border:none;cursor:pointer;padding:.55em 1.15em;border-radius:999px;transition:.2s}
.billing__opt.is-active{background:var(--pine);color:#fff}
.billing__save{font-family:var(--f-mono);font-size:.68rem;background:var(--gold-soft);color:#241a06;padding:.2em .5em;border-radius:999px}
.billing__opt.is-active .billing__save{background:rgba(255,255,255,.9)}

/* Planes */
.plans{display:grid;grid-template-columns:repeat(5,1fr);gap:.9rem;align-items:stretch}
.plan{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--stone);border-radius:var(--r);padding:1.5rem 1.35rem}
.plan--star{border-color:var(--pine);box-shadow:var(--shadow);z-index:1}
.plan--dark{background:var(--ink-2);border-color:rgba(255,255,255,.12);color:#fff}
.plan--dark.plan--star{border-color:var(--gold)}
.plan__badge{position:absolute;top:-.75rem;left:50%;transform:translateX(-50%);white-space:nowrap;
  font-family:var(--f-mono);font-size:.68rem;font-weight:500;text-transform:uppercase;letter-spacing:.05em;
  background:var(--pine);color:#fff;padding:.35em .8em;border-radius:999px}
.plan--dark .plan__badge{background:var(--gold);color:#241a06}
.plan__name{font-family:var(--f-display);font-weight:800;font-size:1.2rem;letter-spacing:-.01em;margin-bottom:.7rem}
.plan__price{display:flex;align-items:baseline;gap:.15rem;margin-bottom:.9rem}
.plan__cur{font-family:var(--f-display);font-weight:600;font-size:1.1rem;color:var(--muted);align-self:flex-start;margin-top:.35rem}
.plan--dark .plan__cur{color:var(--light-2)}
.plan__amt{font-size:2.5rem;font-weight:600;line-height:1;color:var(--text)}
.plan--dark .plan__amt{color:#fff}
.plan__per{font-family:var(--f-mono);font-size:.78rem;color:var(--muted-2);margin-left:.2rem}
.plan__for{font-size:.86rem;color:var(--muted);min-height:3.2em;margin-bottom:1.1rem;padding-bottom:1.1rem;border-bottom:1px solid var(--stone)}
.plan--dark .plan__for{color:var(--light);border-color:rgba(255,255,255,.12)}
.plan__feats{list-style:none;display:flex;flex-direction:column;gap:.55rem;margin-bottom:1.3rem;flex:1}
.plan__feats li{display:flex;gap:.5rem;font-size:.86rem;color:var(--text)}
.plan--dark .plan__feats li{color:var(--light)}
.plan__feats .ic{width:16px;height:16px;color:var(--jade);flex:none;margin-top:3px}
.plan__incl{font-family:var(--f-mono);font-size:.74rem;color:var(--muted-2);margin-bottom:1.1rem}
.plan--dark .plan__incl{color:var(--light-2)}

/* Educativo */
.edu{display:grid;grid-template-columns:1.6fr 1fr;gap:1.4rem;align-items:stretch}
.edu__plans{display:grid;grid-template-columns:1fr 1fr;gap:.9rem}
.edu__note{display:flex;flex-direction:column;justify-content:center;background:linear-gradient(160deg,var(--pine),var(--pine-d));
  border-radius:var(--r);padding:2rem;color:#fff}
.edu__ic{display:grid;place-items:center;width:52px;height:52px;border-radius:14px;background:rgba(255,255,255,.14);color:#fff;margin-bottom:1.2rem}
.edu__ic .ic{width:26px;height:26px}
.edu__note h3{font-family:var(--f-display);font-weight:800;font-size:1.35rem;margin-bottom:.7rem;letter-spacing:-.01em}
.edu__note p{font-size:.96rem;color:rgba(255,255,255,.86)}

/* Garantías */
.guar{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.guar__item{display:flex;gap:1.1rem;background:#fff;border:1px solid var(--stone);border-radius:var(--r);padding:1.6rem}
.guar__ic{display:grid;place-items:center;width:48px;height:48px;flex:none;border-radius:12px;background:rgba(198,145,46,.14);color:var(--gold)}
.guar__item h3{font-family:var(--f-display);font-weight:700;font-size:1.12rem;margin-bottom:.45rem}
.guar__item p{font-size:.92rem;color:var(--muted)}

/* Pasos */
.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;counter-reset:s}
.step{position:relative;padding-top:1.6rem;border-top:2px solid var(--pine)}
.step__n{display:block;font-size:1.4rem;font-weight:600;color:var(--pine);margin-bottom:.8rem}
.step h3{font-family:var(--f-display);font-weight:700;font-size:1.2rem;margin-bottom:.5rem}
.step p{font-size:.94rem;color:var(--muted)}

/* Contacto */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.contact__title{font-family:var(--f-display);font-weight:800;letter-spacing:-.025em;font-size:clamp(1.9rem,4vw,2.8rem);margin-bottom:.9rem}
.contact__lead{color:var(--light);font-size:1.05rem;max-width:34ch;margin-bottom:2rem}
.contact__lines{display:flex;flex-direction:column;gap:.7rem}
.contact__line{display:flex;align-items:center;gap:.9rem;padding:.9rem 1rem;border:1px solid rgba(255,255,255,.14);border-radius:12px;transition:.2s}
a.contact__line:hover{border-color:var(--jade);background:rgba(255,255,255,.04)}
.contact__line .ic{color:var(--jade);flex:none}
.contact__line span{font-size:.92rem;color:var(--light)}
.contact__line strong{color:#fff;font-family:var(--f-display);font-weight:600}

.contact__form{background:#fff;border-radius:var(--r-lg);padding:clamp(1.6rem,3vw,2.2rem);color:var(--text);box-shadow:var(--shadow)}
.form{display:flex;flex-direction:column;gap:1rem}
.field{display:flex;flex-direction:column;gap:.4rem}
.field span{font-size:.82rem;font-weight:600;color:var(--text)}
.field span em{font-style:normal;font-weight:400;color:var(--muted-2)}
.field input,.field select,.field textarea{
  font-family:var(--f-body);font-size:.95rem;color:var(--text);
  border:1.5px solid var(--stone);border-radius:10px;padding:.7em .85em;background:var(--paper);transition:border-color .15s,box-shadow .15s;width:100%}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--pine);box-shadow:0 0 0 3px rgba(20,98,75,.12);background:#fff}
.field textarea{resize:vertical}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.form__wa{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-size:.9rem;font-weight:500;color:var(--pine);margin-top:.2rem}
.form__wa .ic{width:18px;height:18px}
.form__wa:hover{text-decoration:underline}
.alert{display:flex;align-items:center;gap:.55rem;font-size:.92rem;font-weight:500;padding:.85rem 1rem;border-radius:10px;margin-bottom:1.1rem}
.alert .ic{flex:none}
.alert--ok{background:rgba(20,98,75,.1);color:var(--pine)}
.alert--err{background:rgba(198,145,46,.14);color:#8a611b}

/* Footer */
.foot{background:var(--ink-2);color:var(--light);padding:3rem 0 2.4rem;border-top:1px solid rgba(255,255,255,.08)}
.foot__in{display:flex;justify-content:space-between;gap:2rem;flex-wrap:wrap}
.foot__brand .brand__name{color:#fff}
.foot__brand p{margin-top:.5rem;font-size:.9rem;max-width:32ch}
.foot__meta{text-align:right;font-size:.88rem;display:flex;flex-direction:column;gap:.35rem}
.foot__meta a{color:var(--jade)}
.foot__meta a:hover{text-decoration:underline}
.foot__small{color:var(--light-2);font-size:.8rem;margin-top:.4rem}

/* WhatsApp flotante */
.wafloat{position:fixed;right:20px;bottom:20px;z-index:60;display:grid;place-items:center;width:56px;height:56px;
  background:var(--pine);color:#fff;border-radius:50%;box-shadow:0 12px 30px -10px rgba(15,26,21,.6);transition:transform .2s,background .2s}
.wafloat:hover{transform:scale(1.08);background:var(--pine-d)}
.wafloat .ic{width:28px;height:28px}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:1000px){
  .plans{grid-template-columns:repeat(2,1fr)}
  .plan--star{grid-column:span 2}
  .diffs,.mods{grid-template-columns:repeat(2,1fr)}
  .edu{grid-template-columns:1fr}
}
@media(max-width:860px){
  .nav__links,.nav__cta{display:none}
  .nav__burger{display:flex;margin-left:auto}
  .nav.is-open .nav__links{display:flex;position:absolute;top:70px;left:0;right:0;flex-direction:column;gap:0;
    background:var(--paper);border-bottom:1px solid var(--stone);padding:.5rem 0}
  .nav.is-open .nav__links a{padding:.9rem clamp(20px,5vw,40px)}
  .nav.is-open .nav__cta{display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;gap:.6rem;
    padding:1rem clamp(20px,5vw,40px) 1.4rem;background:var(--paper);border-bottom:1px solid var(--stone)}
  .nav.is-open .nav__cta .btn{width:100%;justify-content:center}
  .hero__in{grid-template-columns:1fr;text-align:left}
  .hero__art{order:-1}
  .doc{transform:rotate(0)}
  .facts__in{grid-template-columns:repeat(2,1fr);gap:1.8rem}
  .fact:nth-child(2){border-right:none}
  .guar{grid-template-columns:1fr}
  .contact{grid-template-columns:1fr}
}
@media(max-width:620px){
  .diffs,.mods,.plans,.edu__plans,.steps{grid-template-columns:1fr}
  .plan--star{grid-column:auto}
  .hero__actions .btn{width:100%;justify-content:center}
  .foot__in{flex-direction:column}
  .foot__meta{text-align:left}
  .step{border-top-width:2px}
}

/* ---------- Accesibilidad ---------- */
:focus-visible{outline:3px solid var(--jade);outline-offset:2px;border-radius:4px}
@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none;transition:none}
  .btn:hover,.mod:hover{transform:none}
}