/* ==========================================================================
   ECRECE — Sistema de diseño del sitio
   Tipografías: Fraunces (titulares) · Inter (texto) · JetBrains Mono (datos)
   Colores: tinta pizarra (marca) · papel crema · verde performance · terracota CTA
   ========================================================================== */

:root{
  --ink:#0f171e;
  --ink-2:#15212b;
  --slate:#1a2632;
  --slate-2:#223344;
  --line:rgba(240,236,228,.10);
  --line-2:rgba(240,236,228,.18);
  --cream:#f0ece4;
  --muted:#a8b5c0;
  --muted-2:#7d8e9c;

  --paper:#f4f0e8;
  --paper-2:#ebe4d7;
  --paper-line:rgba(20,32,42,.12);
  --ink-text:#14202a;
  --ink-soft:#4a5864;

  --green:#1D9E75;
  --mint:#34d399;
  --mint-soft:rgba(52,211,153,.12);
  --clay:#B2551F;
  --clay-2:#8F441A;
  --clay-soft:rgba(178,85,31,.12);
  --amber:#f2b441;
  --red:#e0654f;

  --f-display:'Fraunces',Georgia,'Times New Roman',serif;
  --f-body:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --f-mono:'JetBrains Mono',ui-monospace,'SF Mono',Menlo,monospace;

  --r:22px;
  --r-sm:14px;
  --wrap:1180px;
  --pad:clamp(18px,4vw,32px);
  --ease:cubic-bezier(.2,.7,.2,1);
  --shadow:0 20px 60px -20px rgba(0,0,0,.55);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:90px}
body{
  margin:0;background:var(--ink);color:var(--cream);
  font-family:var(--f-body);font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img,svg,video{max-width:100%;display:block}
a{color:inherit}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.08;letter-spacing:-.02em}
p{margin:0}
ul{margin:0;padding:0}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:12px;top:-60px;z-index:200;background:var(--mint);color:var(--ink);padding:10px 16px;border-radius:10px;font-weight:700;text-decoration:none}
.skip:focus{top:12px}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}
.wrap--narrow{max-width:820px}

/* ---------- tipografía ---------- */
.display{font-family:var(--f-display);font-weight:500;font-variation-settings:"opsz" 144,"SOFT" 50;letter-spacing:-.035em}
.display em,.h2 em,.h3 em{font-style:italic;font-weight:400;color:var(--mint)}
.on-paper .display em,.on-paper .h2 em,.on-paper .h3 em{color:var(--green)}
.h1{font-size:clamp(40px,7.2vw,88px);line-height:.98}
.h2{font-family:var(--f-display);font-weight:500;font-variation-settings:"opsz" 120,"SOFT" 50;font-size:clamp(32px,4.8vw,58px);line-height:1.02;letter-spacing:-.03em}
.h3{font-family:var(--f-display);font-weight:500;font-size:clamp(22px,2.4vw,28px);line-height:1.15;letter-spacing:-.02em}
.lead{font-size:clamp(17px,1.6vw,20px);color:var(--muted);max-width:640px}
.on-paper .lead{color:var(--ink-soft)}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--f-mono);font-size:12px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;
  color:var(--mint);
}
.eyebrow::before{content:"";width:22px;height:1px;background:currentColor;opacity:.7}
.on-paper .eyebrow{color:var(--green)}
.mono{font-family:var(--f-mono)}
.muted{color:var(--muted)}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}
.stack>*+*{margin-top:18px}
.stack-lg>*+*{margin-top:28px}

/* ---------- secciones ---------- */
.section{padding:clamp(72px,11vw,140px) 0;position:relative}
.section--tight{padding:clamp(52px,7vw,88px) 0}
.on-paper{background:var(--paper);color:var(--ink-text)}
.on-paper .muted{color:var(--ink-soft)}
.on-slate{background:var(--slate)}
.sec-head{max-width:760px;margin-bottom:clamp(40px,6vw,64px)}
.sec-head.center{margin-left:auto;margin-right:auto}
.sec-head .h2{margin-top:16px}
.sec-head .lead{margin-top:20px}

/* grano sutil para que los fondos oscuros no se vean planos */
.grain::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- botones ---------- */
.btn{
  --bg:var(--clay);
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:54px;padding:14px 26px;border-radius:999px;border:0;cursor:pointer;
  background:linear-gradient(135deg,var(--clay-2),var(--clay));color:#fff6ee;
  font-weight:650;font-size:16px;letter-spacing:-.005em;text-decoration:none;white-space:nowrap;
  box-shadow:0 14px 34px -12px rgba(178,85,31,.7),inset 0 1px 0 rgba(255,255,255,.18);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.btn:hover{transform:translateY(-2px);box-shadow:0 20px 40px -12px rgba(178,85,31,.85),inset 0 1px 0 rgba(255,255,255,.18)}
.btn svg{width:20px;height:20px;flex:none}
.btn--ghost{background:transparent;color:inherit;box-shadow:inset 0 0 0 1.5px var(--line-2)}
.btn--ghost:hover{box-shadow:inset 0 0 0 1.5px var(--mint);background:rgba(52,211,153,.06)}
.on-paper .btn--ghost{box-shadow:inset 0 0 0 1.5px var(--paper-line)}
.on-paper .btn--ghost:hover{box-shadow:inset 0 0 0 1.5px var(--green);background:rgba(29,158,117,.06)}
.btn--lg{min-height:62px;padding:18px 32px;font-size:17px}
.btn--block{width:100%}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.center .btn-row{justify-content:center}
.btn-note{font-size:13.5px;color:var(--muted);display:flex;align-items:center;gap:8px}
.on-paper .btn-note{color:var(--ink-soft)}
.btn-note .dot{width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(52,211,153,.18);animation:pulse 2s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 7px rgba(52,211,153,0)}}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;text-decoration:none;color:var(--mint)}
.on-paper .link-arrow{color:var(--green)}
.link-arrow::after{content:"→";transition:transform .25s var(--ease)}
.link-arrow:hover::after{transform:translateX(4px)}

/* ---------- header ---------- */
.hdr{
  position:sticky;top:0;z-index:100;
  background:rgba(15,23,30,.72);
  -webkit-backdrop-filter:saturate(1.4) blur(14px);backdrop-filter:saturate(1.4) blur(14px);
  border-bottom:1px solid transparent;transition:border-color .3s,background .3s;
}
.hdr.is-scrolled{border-bottom-color:var(--line);background:rgba(15,23,30,.9)}
.hdr__in{display:flex;align-items:center;justify-content:space-between;gap:20px;height:74px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;flex:none}
.brand img{width:38px;height:38px;border-radius:50%}
.brand b{font-family:var(--f-display);font-weight:600;font-size:23px;letter-spacing:-.03em}
.nav{display:flex;align-items:center;gap:6px}
.nav>a,.nav__dd>button{
  display:inline-flex;align-items:center;gap:6px;padding:10px 14px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--muted);text-decoration:none;background:none;border:0;cursor:pointer;
  transition:color .2s,background .2s;
}
.nav>a:hover,.nav__dd>button:hover,.nav>a[aria-current="page"]{color:var(--cream);background:rgba(240,236,228,.06)}
.nav__dd{position:relative}
.nav__dd>button svg{width:12px;height:12px;transition:transform .25s}
.nav__dd[data-open]>button svg{transform:rotate(180deg)}
.nav__menu{
  position:absolute;top:calc(100% + 10px);left:50%;transform:translate(-50%,8px);
  width:min(560px,90vw);padding:10px;border-radius:20px;
  background:var(--ink-2);border:1px solid var(--line);box-shadow:var(--shadow);
  display:grid;grid-template-columns:1fr 1fr;gap:4px;
  opacity:0;visibility:hidden;transition:opacity .2s,transform .25s var(--ease),visibility .2s;
}
.nav__dd[data-open] .nav__menu{opacity:1;visibility:visible;transform:translate(-50%,0)}
.nav__menu a{display:block;padding:14px 16px;border-radius:14px;text-decoration:none;transition:background .2s}
.nav__menu a:hover{background:rgba(240,236,228,.05)}
.nav__menu b{display:block;font-size:15px;font-weight:600}
.nav__menu span{display:block;font-size:13px;color:var(--muted);line-height:1.45;margin-top:3px}
.nav__menu a.is-featured{grid-column:1/-1;background:linear-gradient(135deg,rgba(29,158,117,.16),rgba(29,158,117,.04));border:1px solid rgba(52,211,153,.22)}
.hdr__cta{display:flex;align-items:center;gap:10px}
.hdr__cta .btn{min-height:44px;padding:10px 20px;font-size:14.5px}
.burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-2);background:none;cursor:pointer;align-items:center;justify-content:center}
.burger span{display:block;width:18px;height:1.5px;background:var(--cream);position:relative;transition:background .2s}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--cream);transition:transform .3s var(--ease)}
.burger span::before{top:-6px}.burger span::after{top:6px}
.burger[aria-expanded="true"] span{background:transparent}
.burger[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}
.mnav{display:none}

@media (max-width:1020px){
  .nav,.hdr__cta .btn--ghost{display:none}
  .burger{display:inline-flex}
  .mnav{
    display:block;position:fixed;inset:74px 0 0 0;z-index:99;background:var(--ink);
    padding:18px var(--pad) 40px;overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .25s,transform .3s var(--ease),visibility .25s;
  }
  .mnav.is-open{opacity:1;visibility:visible;transform:none}
  .mnav a{display:block;padding:16px 4px;border-bottom:1px solid var(--line);text-decoration:none;font-size:18px;font-weight:500}
  .mnav a small{display:block;font-size:13.5px;color:var(--muted);font-weight:400}
  .mnav .mnav__label{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--mint);margin:26px 0 4px}
  .mnav .btn{margin-top:28px;width:100%;border:0;font-size:16px}
}
@media (max-width:520px){
  .hdr__cta .btn span.hide-sm{display:none}
  .brand b{font-size:21px}
}

/* ---------- héroes ---------- */
.hero{position:relative;overflow:hidden;padding:clamp(56px,9vw,120px) 0 clamp(64px,9vw,120px)}
.hero__glow{
  position:absolute;inset:-20% -10% auto -10%;height:120%;pointer-events:none;
  background:
    radial-gradient(600px 380px at 78% 18%,rgba(29,158,117,.22),transparent 70%),
    radial-gradient(520px 340px at 8% 90%,rgba(178,85,31,.14),transparent 70%);
}
.hero__grid{
  position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 60% 30%,#000 10%,transparent 75%);
  mask-image:radial-gradient(ellipse 70% 60% at 60% 30%,#000 10%,transparent 75%);
}
.hero .wrap{position:relative;z-index:1}
.hero__split{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:clamp(36px,5vw,72px);align-items:center}
.hero h1{margin-top:22px}
.hero .lead{margin-top:26px}
.hero .btn-row{margin-top:36px}
.hero .btn-note{margin-top:18px}
@media (max-width:960px){.hero__split{grid-template-columns:1fr}}

.crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted-2);margin-bottom:22px}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--mint)}

.price-chip{
  display:inline-flex;align-items:baseline;gap:8px;margin-top:28px;
  padding:10px 18px;border-radius:999px;border:1px solid var(--line-2);background:rgba(240,236,228,.03);
  font-size:14px;color:var(--muted);
}
.price-chip b{font-family:var(--f-mono);font-weight:600;font-size:17px;color:var(--cream)}

/* ---------- chips / segmented ---------- */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:999px;cursor:pointer;
  border:1px solid var(--line-2);background:rgba(240,236,228,.03);color:var(--muted);
  font-size:14.5px;font-weight:500;transition:all .2s var(--ease);
}
.chip:hover{color:var(--cream);border-color:rgba(52,211,153,.5)}
.chip[aria-pressed="true"],.chip[aria-selected="true"]{background:var(--cream);color:var(--ink);border-color:var(--cream)}
.on-paper .chip{border-color:var(--paper-line);background:#fff8;color:var(--ink-soft)}
.on-paper .chip:hover{color:var(--ink-text);border-color:var(--green)}
.on-paper .chip[aria-pressed="true"],.on-paper .chip[aria-selected="true"]{background:var(--ink-text);color:var(--paper);border-color:var(--ink-text)}
.chips-label{font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-2);margin-bottom:12px}

/* ---------- tarjetas ---------- */
.card{
  position:relative;border-radius:var(--r);padding:clamp(24px,3vw,34px);
  background:linear-gradient(180deg,rgba(240,236,228,.045),rgba(240,236,228,.015));
  border:1px solid var(--line);
}
.on-paper .card{background:#fffdf8;border-color:var(--paper-line);box-shadow:0 1px 0 rgba(20,32,42,.04),0 18px 40px -28px rgba(20,32,42,.35)}
.card h3{font-family:var(--f-display);font-weight:500;font-size:24px;letter-spacing:-.02em;line-height:1.15}
.card p{color:var(--muted);margin-top:12px;font-size:16px}
.on-paper .card p{color:var(--ink-soft)}
.card__ico{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;margin-bottom:22px;background:var(--mint-soft);color:var(--mint);border:1px solid rgba(52,211,153,.25)}
.on-paper .card__ico{background:rgba(29,158,117,.1);color:var(--green)}
.card__ico svg{width:22px;height:22px}
.card__num{font-family:var(--f-mono);font-size:12.5px;color:var(--muted-2);letter-spacing:.1em}
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:960px){.grid-3,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(36px,6vw,88px);align-items:center}
.split--rev>:first-child{order:2}
@media (max-width:900px){.split{grid-template-columns:1fr}.split--rev>:first-child{order:0}}

/* lista con checks */
.checks{list-style:none;display:grid;gap:14px}
.checks li{display:flex;gap:14px;align-items:flex-start}
.checks li::before{
  content:"";flex:none;width:24px;height:24px;margin-top:2px;border-radius:50%;
  background:var(--mint-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2334d399' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/12px no-repeat;
  border:1px solid rgba(52,211,153,.35);
}
.on-paper .checks li::before{background-color:rgba(29,158,117,.1);border-color:rgba(29,158,117,.35);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231D9E75' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E")}
.checks--x li::before{background-color:rgba(224,101,79,.1);border-color:rgba(224,101,79,.35);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e0654f' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M18 6 6 18M6 6l12 12'/%3E%3C/svg%3E")}
.checks b{font-weight:650}

/* ---------- logos de clientes ---------- */
.logos{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.logos__track{display:flex;gap:16px;width:max-content;animation:marquee 60s linear infinite}
.logos:hover .logos__track{animation-play-state:paused}
@keyframes marquee{to{transform:translateX(-50%)}}
.logo-tile{
  flex:none;width:112px;height:112px;border-radius:24px;overflow:hidden;background:#fff;
  border:1px solid var(--paper-line);display:grid;place-items:center;
  box-shadow:0 10px 24px -18px rgba(20,32,42,.5);
}
.logo-tile img{width:100%;height:100%;object-fit:cover}
.logo-tile.wide{width:200px}
.logo-tile.wide img{object-fit:contain;padding:10px}
.logo-tile.pad img{object-fit:contain;padding:12px}

/* ---------- métricas ---------- */
.stat{padding:28px 0;border-top:1px solid var(--line)}
.on-paper .stat{border-top-color:var(--paper-line)}
.stat__n{font-family:var(--f-display);font-weight:500;font-size:clamp(46px,6vw,76px);line-height:1;letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.stat__n small{font-size:.5em;margin-left:4px;color:var(--mint)}
.on-paper .stat__n small{color:var(--green)}
.stat__l{margin-top:10px;color:var(--muted);font-size:15.5px;max-width:280px}
.on-paper .stat__l{color:var(--ink-soft)}
.source{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.04em;color:var(--muted-2);margin-top:22px}
.on-paper .source{color:#7a8590}

/* ---------- figura / capturas ---------- */
.shot{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:var(--ink-2)}
.shot img{width:100%;height:auto}
.shot figcaption{padding:12px 16px;font-size:13px;color:var(--muted);border-top:1px solid var(--line)}

/* ---------- panel "app" (maqueta de interfaz) ---------- */
.panel{
  border-radius:26px;background:linear-gradient(180deg,#1b2934,#131e27);border:1px solid var(--line-2);
  box-shadow:0 40px 90px -30px rgba(0,0,0,.75),inset 0 1px 0 rgba(255,255,255,.06);overflow:hidden;
}
.panel__bar{display:flex;align-items:center;gap:8px;padding:14px 18px;border-bottom:1px solid var(--line)}
.panel__bar i{width:10px;height:10px;border-radius:50%;background:rgba(240,236,228,.14)}
.panel__bar span{margin-left:10px;font-family:var(--f-mono);font-size:12px;color:var(--muted-2)}
.panel__body{padding:22px}
.tag{display:inline-flex;align-items:center;gap:6px;font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;padding:5px 10px;border-radius:999px;background:rgba(240,236,228,.06);color:var(--muted)}
.tag--mint{background:var(--mint-soft);color:var(--mint)}
.tag--clay{background:var(--clay-soft);color:#e08a57}
.tag--amber{background:rgba(242,180,65,.12);color:var(--amber)}

/* ---------- toggle alcance vs performance ---------- */
.switch{display:inline-flex;padding:5px;border-radius:999px;background:rgba(240,236,228,.06);border:1px solid var(--line-2);position:relative}
.on-paper .switch{background:#fff;border-color:var(--paper-line)}
.switch button{position:relative;z-index:1;border:0;background:none;cursor:pointer;padding:12px 22px;border-radius:999px;font-weight:600;font-size:15px;color:var(--muted);transition:color .3s}
.on-paper .switch button{color:var(--ink-soft)}
.switch button[aria-pressed="true"]{color:var(--ink)}
.on-paper .switch button[aria-pressed="true"]{color:#fff}
.switch__pill{position:absolute;top:5px;bottom:5px;left:5px;border-radius:999px;background:var(--cream);transition:transform .45s var(--ease),width .45s var(--ease)}
.on-paper .switch__pill{background:var(--ink-text)}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px}
.faq details{border-radius:18px;border:1px solid var(--line);background:rgba(240,236,228,.02);transition:background .25s,border-color .25s}
.on-paper .faq details{border-color:var(--paper-line);background:#fffdf8}
.faq details[open]{border-color:rgba(52,211,153,.35);background:rgba(52,211,153,.04)}
.on-paper .faq details[open]{border-color:rgba(29,158,117,.4);background:#fff}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;align-items:center;padding:22px 24px;font-weight:600;font-size:17px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";flex:none;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line-2);font-weight:400;font-size:20px;transition:transform .3s var(--ease)}
.on-paper .faq summary::after{border-color:var(--paper-line)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details>div{padding:0 24px 24px;color:var(--muted);font-size:16px}
.on-paper .faq details>div{color:var(--ink-soft)}
.faq details>div p+p{margin-top:12px}

/* ---------- precio ---------- */
.price{
  border-radius:28px;padding:clamp(28px,4vw,44px);position:relative;overflow:hidden;
  background:radial-gradient(420px 220px at 90% 0%,rgba(29,158,117,.2),transparent 70%),linear-gradient(180deg,#1c2a35,#131e27);
  border:1px solid rgba(52,211,153,.25);
}
.price{color:var(--cream)}
.price .fineprint{color:var(--muted-2)}
.price__n{font-family:var(--f-display);font-weight:500;font-size:clamp(52px,7vw,84px);letter-spacing:-.04em;line-height:1}
.price__n small{font-family:var(--f-body);font-size:18px;color:var(--muted);letter-spacing:0;margin-left:6px;font-weight:500}
.price__rows{margin-top:26px;display:grid;gap:0}
.price__rows div{display:flex;justify-content:space-between;gap:16px;padding:14px 0;border-top:1px solid var(--line);font-size:15.5px}
.price__rows div span:first-child{color:var(--muted)}
.price__rows div span:last-child{font-family:var(--f-mono);font-weight:500;text-align:right}
.fineprint{font-size:13.5px;color:var(--muted-2);margin-top:18px;line-height:1.55}
.on-paper .fineprint{color:#6d7984}

/* ---------- rango / slider ---------- */
.range{width:100%;-webkit-appearance:none;appearance:none;height:6px;border-radius:99px;background:linear-gradient(90deg,var(--mint) var(--p,50%),rgba(240,236,228,.12) var(--p,50%));outline:none;cursor:pointer}
.on-paper .range{background:linear-gradient(90deg,var(--green) var(--p,50%),rgba(20,32,42,.12) var(--p,50%))}
.range::-webkit-slider-thumb{-webkit-appearance:none;width:26px;height:26px;border-radius:50%;background:var(--cream);border:5px solid var(--mint);box-shadow:0 4px 14px rgba(0,0,0,.4);cursor:grab}
.range::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--cream);border:5px solid var(--mint);cursor:grab}
.on-paper .range::-webkit-slider-thumb{background:#fff;border-color:var(--green)}
.field{display:grid;gap:12px}
.field label,.field .lbl{display:flex;justify-content:space-between;gap:12px;font-size:15px;font-weight:500}
.field output{font-family:var(--f-mono);font-weight:600;color:var(--mint)}
.on-paper .field output{color:var(--green)}

/* ---------- blog ---------- */
.post-card{display:flex;flex-direction:column;text-decoration:none;border-radius:var(--r);overflow:hidden;border:1px solid var(--paper-line);background:#fffdf8;transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
.post-card:hover{transform:translateY(-4px);box-shadow:0 28px 50px -30px rgba(20,32,42,.45)}
.post-card__art{aspect-ratio:16/10;position:relative;overflow:hidden;background:var(--slate)}
.post-card__art svg{width:100%;height:100%}
.post-card__body{padding:24px 24px 28px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-card__body h3{font-family:var(--f-display);font-weight:500;font-size:23px;line-height:1.2;letter-spacing:-.02em;color:var(--ink-text)}
.post-card__body p{color:var(--ink-soft);font-size:15.5px}
.post-card__meta{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--green)}
.post-card .link-arrow{margin-top:auto;padding-top:8px}

.article{font-size:18.5px;line-height:1.75;color:#2a3843}
.article>*+*{margin-top:1.1em}
.article h2{font-family:var(--f-display);font-weight:500;font-size:clamp(28px,3.4vw,38px);line-height:1.12;letter-spacing:-.025em;color:var(--ink-text);margin-top:2em}
.article h3{font-family:var(--f-body);font-weight:700;font-size:20px;color:var(--ink-text);margin-top:1.6em;letter-spacing:-.01em}
.article ul,.article ol{padding-left:1.3em}
.article li+li{margin-top:.5em}
.article a{color:var(--green);text-underline-offset:3px}
.article strong{color:var(--ink-text)}
.article blockquote{margin:1.6em 0;padding:4px 0 4px 24px;border-left:3px solid var(--green);font-family:var(--f-display);font-size:24px;line-height:1.35;color:var(--ink-text);font-style:italic}
.article .callout{border-radius:18px;padding:22px 24px;background:#fff;border:1px solid var(--paper-line);font-size:16.5px}
.article .callout b{display:block;font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--clay);margin-bottom:6px}
.article table{width:100%;border-collapse:collapse;font-size:16px;background:#fff;border-radius:14px;overflow:hidden}
.article th,.article td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--paper-line)}
.article th{background:var(--paper-2);font-weight:650}
.article-cta{border-radius:26px;padding:clamp(28px,4vw,44px);background:var(--slate);color:var(--cream);margin-top:2.4em}
.article-cta h3{font-family:var(--f-display);font-weight:500;font-size:clamp(26px,3vw,34px);color:var(--cream);margin:0}
.article-cta p{color:var(--muted);margin-top:12px;font-size:17px}
.article-cta .btn-row{margin-top:24px}
.toc{border-radius:18px;padding:20px 22px;border:1px solid var(--paper-line);background:#fffdf8;font-size:15.5px}
.toc b{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft)}
.toc ol{margin:10px 0 0;padding-left:1.2em}
.toc a{color:var(--ink-text);text-decoration:none}
.toc a:hover{color:var(--green)}

/* ---------- CTA final ---------- */
.final{position:relative;overflow:hidden;text-align:center}
.final .h2{font-size:clamp(38px,6vw,76px);max-width:960px;margin:18px auto 0}
.final .lead{margin:22px auto 0}
.final .btn-row{justify-content:center;margin-top:38px}
.final .btn-note{justify-content:center;margin-top:18px}

/* ---------- footer ---------- */
.ftr{background:var(--ink);border-top:1px solid var(--line);padding:72px 0 36px;font-size:15px}
.ftr__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.ftr h4{font-family:var(--f-mono);font-size:12px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);margin-bottom:16px}
.ftr ul{list-style:none;display:grid;gap:10px}
.ftr a{color:var(--muted);text-decoration:none}
.ftr a:hover{color:var(--mint)}
.ftr__claim{font-family:var(--f-display);font-size:26px;line-height:1.2;letter-spacing:-.02em;margin-top:18px;max-width:320px}
.ftr__claim em{color:var(--mint)}
.ftr__social{display:flex;gap:10px;margin-top:22px}
.ftr__social a{width:40px;height:40px;border-radius:50%;border:1px solid var(--line-2);display:grid;place-items:center}
.ftr__social svg{width:17px;height:17px;fill:currentColor}
.ftr__base{display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;margin-top:56px;padding-top:24px;border-top:1px solid var(--line);color:var(--muted-2);font-size:13.5px}
@media (max-width:900px){.ftr__grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.ftr__grid{grid-template-columns:1fr}}

/* ---------- botón flotante WhatsApp ---------- */
.wa-float{
  position:fixed;right:18px;bottom:18px;z-index:90;display:flex;align-items:center;gap:10px;
  padding:0 20px 0 14px;height:58px;border-radius:999px;text-decoration:none;
  background:#1D9E75;color:#fff;font-weight:650;font-size:15px;
  box-shadow:0 16px 36px -10px rgba(29,158,117,.7);
  transform:translateY(120px);transition:transform .45s var(--ease);
}
.wa-float.is-in{transform:none}
.wa-float svg{width:28px;height:28px;fill:#fff}
@media (max-width:560px){.wa-float{right:14px;bottom:14px;padding:0;width:58px;justify-content:center}.wa-float span{display:none}}

/* ---------- animación de entrada ---------- */
.rv{opacity:0;transform:translateY(24px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.rv.is-in{opacity:1;transform:none}
.rv-d1{transition-delay:.08s}.rv-d2{transition-delay:.16s}.rv-d3{transition-delay:.24s}
.no-js .rv{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .rv{opacity:1;transform:none}
}

/* utilidades */
.mt-0{margin-top:0}.mt-s{margin-top:14px}.mt-m{margin-top:28px}.mt-l{margin-top:48px}.mt-xl{margin-top:72px}
.hide{display:none!important}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ==========================================================================
   Componentes de las páginas de sistemas
   ========================================================================== */
.sys-hero .lead{max-width:600px}
.sys-hero__visual{position:relative}
.kicker-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.kicker-list span{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);padding:8px 14px;border-radius:999px;border:1px solid var(--line)}
.kicker-list span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mint)}

/* teléfono */
.phone{
  width:min(310px,100%);margin:0 auto;aspect-ratio:9/18.5;border-radius:44px;padding:12px;
  background:linear-gradient(160deg,#2a3945,#0c1319);box-shadow:0 50px 100px -30px rgba(0,0,0,.8),inset 0 0 0 1.5px rgba(255,255,255,.08);
  position:relative;
}
.phone__screen{height:100%;border-radius:34px;overflow:hidden;background:#fbf8f2;color:var(--ink-text);position:relative;display:flex;flex-direction:column}
.phone__notch{position:absolute;top:10px;left:50%;transform:translateX(-50%);width:90px;height:24px;border-radius:99px;background:#0c1319;z-index:3}
.phone--dark .phone__screen{background:#0b141a;color:#e9edef}

/* notificación flotante */
.notif{
  position:absolute;z-index:4;width:min(300px,86vw);border-radius:18px;padding:14px 16px;
  background:rgba(250,248,242,.97);color:var(--ink-text);box-shadow:0 24px 50px -16px rgba(0,0,0,.6);
  display:flex;gap:12px;align-items:flex-start;font-size:13.5px;line-height:1.4;
  opacity:0;transform:translateY(12px) scale(.97);transition:opacity .4s var(--ease),transform .5s var(--ease);pointer-events:none;
}
.notif.is-on{opacity:1;transform:none}
.notif__ico{flex:none;width:34px;height:34px;border-radius:10px;background:#1D9E75;display:grid;place-items:center}
.notif__ico svg{width:20px;height:20px;fill:#fff}
.notif b{display:block;font-size:13px}
.notif small{display:block;color:#6d7984;font-size:11.5px;margin-bottom:2px}

/* calculadora */
.calc{border-radius:28px;padding:clamp(24px,4vw,44px);display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:clamp(26px,4vw,56px);align-items:center}
@media (max-width:860px){.calc{grid-template-columns:1fr}}
.calc__out{border-radius:22px;padding:28px;background:var(--ink-text);color:var(--cream);text-align:left}
.calc__out .big{font-family:var(--f-display);font-weight:500;font-size:clamp(56px,7vw,88px);line-height:1;letter-spacing:-.04em;font-variant-numeric:tabular-nums;color:var(--mint)}
.calc__out p{color:var(--muted);margin-top:10px;font-size:15.5px}
.calc__rows{margin-top:18px;border-top:1px solid var(--line)}
.calc__rows div{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px}
.calc__rows div span:last-child{font-family:var(--f-mono);font-weight:600}

/* pasos numerados horizontales */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;position:relative}
.flow::before{content:"";position:absolute;top:27px;left:28px;right:28px;height:1px;background:linear-gradient(90deg,var(--mint),rgba(52,211,153,.1))}
.on-paper .flow::before{background:linear-gradient(90deg,var(--green),rgba(29,158,117,.1))}
.flow__s{position:relative;padding-right:22px}
.flow__n{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;font-family:var(--f-mono);font-weight:600;background:var(--ink);border:1px solid rgba(52,211,153,.5);color:var(--mint);position:relative;z-index:1}
.on-paper .flow__n{background:var(--paper);border-color:rgba(29,158,117,.5);color:var(--green)}
.flow__s h3{font-family:var(--f-display);font-weight:500;font-size:23px;margin-top:22px;letter-spacing:-.02em}
.flow__s p{color:var(--muted);margin-top:8px;font-size:15.5px}
.on-paper .flow__s p{color:var(--ink-soft)}
.flow__s .tag{margin-top:14px}
@media (min-width:901px){.flow--3{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:900px){
  .flow{grid-template-columns:1fr;gap:30px}
  .flow::before{top:28px;bottom:28px;left:27px;right:auto;width:1px;height:auto;background:linear-gradient(180deg,var(--mint),rgba(52,211,153,.1))}
  .flow__s{display:grid;grid-template-columns:56px 1fr;column-gap:20px;padding:0}
  .flow__s h3{margin-top:10px}
  .flow__s>*:not(.flow__n){grid-column:2}
  .flow__n{grid-row:span 3}
}

/* para quién sí / no */
.fit{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:760px){.fit{grid-template-columns:1fr}}
.fit .card h3{margin-bottom:22px}

/* sistemas relacionados */
.related{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
@media (max-width:900px){.related{grid-template-columns:1fr}}
.related a{display:block;text-decoration:none;border-radius:var(--r);padding:26px;border:1px solid var(--line);background:rgba(240,236,228,.02);transition:border-color .25s,transform .3s var(--ease)}
.related a:hover{border-color:rgba(52,211,153,.45);transform:translateY(-3px)}
.related small{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-2)}
.related b{display:block;font-family:var(--f-display);font-weight:500;font-size:24px;margin-top:10px;letter-spacing:-.02em}
.related span{display:block;color:var(--muted);font-size:15px;margin-top:8px}
.related em{display:inline-block;margin-top:16px;font-style:normal;color:var(--mint);font-weight:600;font-size:14.5px}

/* tabla comparativa */
.cmp{width:100%;border-collapse:separate;border-spacing:0;font-size:15.5px}
.cmp th,.cmp td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--paper-line)}
.cmp thead th{font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft);font-weight:500}
.cmp td:not(:first-child),.cmp th:not(:first-child){text-align:right;font-family:var(--f-mono)}
.cmp .hl{background:rgba(29,158,117,.08);color:#11785a;font-weight:600}
.cmp tfoot td{font-weight:700;font-size:17px;border-bottom:0}
.table-scroll{overflow-x:auto;border-radius:20px;border:1px solid var(--paper-line);background:#fffdf8}

/* ---------- precios ocultos hasta el final (botón "Ver precios") ---------- */
.prices-sec .sec-head{margin-bottom:0}
.reveal-prices{margin-top:30px}
.reveal-prices>summary{
  list-style:none;display:inline-flex;align-items:center;gap:10px;cursor:pointer;
  padding:11px 20px;border-radius:999px;font-weight:600;font-size:14.5px;
  border:1.5px solid var(--paper-line);background:#fffdf8;color:var(--ink-text);
  transition:border-color .2s,background .2s;
}
.reveal-prices>summary::-webkit-details-marker{display:none}
.reveal-prices>summary:hover{border-color:var(--green)}
.reveal-prices>summary::after{content:"";width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .3s var(--ease)}
.reveal-prices[open]>summary::after{transform:rotate(-135deg) translateY(-2px)}
.reveal-prices>summary .o{display:none}
.reveal-prices[open]>summary .o{display:inline}
.reveal-prices[open]>summary .c{display:none}
.reveal-prices__body{margin-top:36px;text-align:left;animation:revealIn .5s var(--ease)}
@keyframes revealIn{from{opacity:0;transform:translateY(12px)}}
.mob-only{display:none!important}
@media (max-width:960px){.mob-only{display:inline-flex!important;margin-top:28px;width:100%}}