/* ============================================================
   KONTABLE — LANDING
   Mismo sistema de diseño que la app: fondo casi blanco, tinta
   casi negra, un solo acento azul ("signal"), usado con cuidado.
   Un único momento de animación (el hero, al cargar) — todo lo
   demás queda quieto a propósito.
   ============================================================ */
:root{
  --bg:#0A0D10;
  --surface:#14181B;
  --surface-2:#1B2023;
  --border:rgba(255,255,255,.12);
  --text:#F5F5F3;
  --text-dim:rgba(245,245,243,.62);
  --text-faint:rgba(245,245,243,.42);
  --signal:#1BDDC5;
  --signal-2:#7CF3DE;
  --signal-dim:#123833;
  --green:#4BAE84;
  --green-dim:#173226;
  --red:#E17762;
  --red-dim:#3A1E1C;
  --radius:12px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Inter',sans-serif;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  letter-spacing:-0.001em;
}
h1,h2,h3{font-family:'Inter',sans-serif;font-weight:800;margin:0;letter-spacing:-0.02em;}
.mono{font-family:'Plex Mono',monospace;}
a{color:inherit;text-decoration:none;}
p{color:var(--text-dim);line-height:1.65;}
ul{list-style:none;margin:0;padding:0;}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:.001ms !important; transition-duration:.001ms !important;}
}

/* ---------- botones ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;border-radius:var(--radius);
  font-weight:600;font-size:14px;padding:11px 20px;border:1px solid var(--border);
  transition:background .15s ease, border-color .15s ease, transform .1s ease, color .15s ease;
}
.btn:active{transform:scale(.98);}
.btn-ghost{background:transparent;}
.btn-ghost:hover{border-color:var(--text-faint);}
.btn-primary{background:linear-gradient(180deg,var(--signal-2),var(--signal));border-color:var(--signal);color:#04211D;box-shadow:0 0 0 1px rgba(27,221,197,.35), 0 8px 24px -6px rgba(27,221,197,.55);}
.btn-primary:hover{filter:brightness(1.07);}
.btn-lg{padding:14px 26px;font-size:15px;}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(10,13,16,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);}
.nav-inner{max-width:1120px;margin:0 auto;padding:16px 28px;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.nav-brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:15px;letter-spacing:-0.01em;flex-shrink:0;}
.nav-brand-mark{display:flex;width:26px;height:26px;flex-shrink:0;}
.nav-brand-mark img{width:100%;height:100%;display:block;}
.nav-links{display:flex;gap:28px;font-size:13.5px;font-weight:500;color:var(--text-dim);}
.nav-links a:hover{color:var(--text);}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-burger{display:none;flex-direction:column;gap:4px;background:none;border:none;padding:6px;cursor:pointer;}
.nav-burger span{width:20px;height:2px;background:var(--text);border-radius:2px;}

/* ---------- HERO ---------- */
.hero{max-width:820px;margin:0 auto;padding:88px 28px 56px;display:flex;flex-direction:column;}

.hero-eyebrow{display:flex;align-items:center;gap:9px;margin-bottom:24px;opacity:0;}
.hero-eyebrow-dot{width:7px;height:7px;border-radius:50%;background:var(--signal);animation:heroBlink 1.8s ease-in-out infinite;}
.hero-eyebrow span{font-family:'Plex Mono',monospace;font-size:12px;color:var(--text-dim);}
@keyframes heroBlink{0%,100%{opacity:1;}50%{opacity:.25;}}

.hero-title{font-size:clamp(36px,5.4vw,58px);line-height:1.06;letter-spacing:-0.02em;font-weight:800;margin:0 0 22px;max-width:720px;}
.hero-title .w{display:inline-block;opacity:0;transform:translateY(14px);filter:blur(4px);}
.hero-fade-up{animation:heroFadeUp .7s cubic-bezier(.16,.8,.24,1) forwards;}
@keyframes heroFadeUp{to{opacity:1;transform:translateY(0);filter:blur(0);}}

.hero-sub{font-size:16.5px;line-height:1.6;color:var(--text-dim);max-width:460px;margin:0 0 40px;opacity:0;}

.hero-figures{display:flex;align-items:flex-end;gap:56px;flex-wrap:wrap;opacity:0;margin-bottom:40px;}
.hero-figure b{font-family:'Source Serif',serif;font-weight:900;font-size:clamp(40px,6vw,64px);letter-spacing:-0.01em;display:block;line-height:1;font-variant-numeric:tabular-nums;}
.hero-figure span{font-size:12.5px;color:var(--text-dim);display:block;margin-top:8px;}
.hero-chart{width:200px;}
.hero-chart svg{display:block;width:100%;height:60px;overflow:visible;}
.hero-chart span{font-size:12.5px;color:var(--text-dim);display:block;margin-top:8px;}

.hero-cta{display:flex;align-items:center;gap:20px;flex-wrap:wrap;opacity:0;}
.hero-cta-note{font-size:12.5px;color:var(--text-dim);}

/* ---------- tira de datos ---------- */
.strip{
  max-width:1120px;margin:0 auto;padding:32px 28px;display:grid;
  grid-template-columns:repeat(4,1fr);gap:24px;border-top:1px solid var(--border);border-bottom:1px solid var(--border);
}
.strip-item{display:flex;flex-direction:column;gap:4px;}
.strip-item b{font-size:17px;font-weight:700;letter-spacing:-0.01em;}
.strip-item span{font-size:12.5px;color:var(--text-dim);}

/* ---------- funcionalidades en detalle ---------- */
.funcdetail{max-width:1120px;margin:0 auto;padding:84px 28px;}
.funcdetail-head{max-width:560px;margin:0 auto 64px;text-align:center;}
.funcdetail-head h2{font-size:clamp(26px,3.4vw,36px);margin-bottom:14px;}
.funcdetail-head p{font-size:15.5px;}

.fitem{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:center;margin-bottom:104px;}
.fitem:last-child{margin-bottom:0;}
.fitem-reverse{grid-template-columns:1.15fr 1fr;}
.fitem-reverse .fitem-copy{order:2;}
.fitem-reverse .fitem-visual{order:1;}

.fitem-n{font-family:'Plex Mono',monospace;font-size:12.5px;color:var(--signal);display:block;margin-bottom:14px;}
.fitem-copy h3{font-size:25px;margin-bottom:14px;letter-spacing:-0.015em;}
.fitem-copy p{font-size:14.5px;margin-bottom:18px;}
.fitem-list{display:flex;flex-direction:column;gap:9px;}
.fitem-list li{position:relative;padding-left:18px;font-size:13.5px;color:var(--text-dim);}
.fitem-list li::before{content:'';position:absolute;left:0;top:8px;width:5px;height:5px;border-radius:50%;background:var(--signal);}

.fitem-visual{
  border:1px solid var(--border);border-radius:14px;background:var(--surface);
  padding:8px;overflow:hidden;
}
.fitem-visual img{width:100%;display:block;border-radius:12px;}

/* ---------- como funciona ---------- */
.steps{max-width:1120px;margin:0 auto;padding:70px 28px;border-top:1px solid var(--border);}
.section-title{font-size:clamp(24px,3vw,32px);text-align:center;margin-bottom:52px;}
.steps-row{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;}
.step{border-top:2px solid var(--text);padding-top:18px;}
.step-n{font-family:'Plex Mono',monospace;font-size:12.5px;color:var(--signal);display:block;margin-bottom:10px;}
.step h3{font-size:18px;margin-bottom:9px;}
.step p{font-size:13.5px;}

/* ---------- precios ---------- */
/* ---------- comparativa vs. excel ---------- */
.compare{max-width:820px;margin:0 auto;padding:70px 28px;border-top:1px solid var(--border);text-align:center;}
.compare-sub{font-size:15px;color:var(--text-dim);margin:-30px 0 44px;}
.compare-table{border:1px solid var(--border);border-radius:14px;overflow:hidden;background:var(--surface);}
.compare-row{display:grid;grid-template-columns:1.3fr 1fr 1fr;align-items:stretch;}
.compare-row:not(:last-child){border-bottom:1px solid var(--border);}
.compare-cell{padding:16px 18px;font-size:13.5px;text-align:left;display:flex;align-items:center;}
.compare-label{font-weight:600;font-size:13.5px;color:var(--text);}
.compare-head .compare-cell{padding:14px 18px;font-size:12.5px;font-weight:600;color:var(--text-dim);}
.compare-no{color:var(--text-faint);}
.compare-no::before{content:'–';margin-right:8px;color:var(--text-faint);}
.compare-yes::before{content:'✓';margin-right:8px;color:var(--signal);font-weight:700;}
.compare-kontable{background:var(--signal-dim);color:var(--text);}
.compare-head .compare-kontable{color:var(--signal);font-weight:700;}
.compare-foot .compare-kontable{justify-content:flex-start;padding:14px 18px;}
@media (max-width:640px){
  .compare-row{grid-template-columns:1fr;}
  .compare-cell{padding:10px 16px;}
  .compare-label{padding-bottom:2px;font-size:13px;}
  .compare-head{display:none;}
  .compare-row:not(.compare-foot){padding:8px 0;}
  .compare-no::before,.compare-yes::before{margin-right:6px;}
}

.pricing{max-width:560px;margin:0 auto;padding:70px 28px;border-top:1px solid var(--border);}
.pricing-sub{text-align:center;font-size:14px;margin:-32px 0 36px;}
.pricing-card{border:1px solid var(--border);border-radius:14px;padding:36px 32px;background:var(--surface);}
.pricing-plan{font-size:13px;color:var(--text-dim);font-weight:600;margin-bottom:10px;}
.pricing-price{font-family:'Source Serif',serif;font-weight:900;font-size:46px;letter-spacing:-0.01em;margin-bottom:24px;}
.pricing-price span{font-family:'Inter',sans-serif;font-size:15px;font-weight:500;color:var(--text-dim);}
.pricing-list{display:flex;flex-direction:column;gap:11px;margin-bottom:30px;}
.pricing-list li{position:relative;padding-left:20px;font-size:14px;color:var(--text);}
.pricing-list li::before{content:'';position:absolute;left:0;top:8px;width:5px;height:5px;border-radius:50%;background:var(--signal);}

/* ---------- FAQ ---------- */
.faq{max-width:720px;margin:0 auto;padding:70px 28px;border-top:1px solid var(--border);}
.faq-list{display:flex;flex-direction:column;gap:2px;}
.faq-item{border-bottom:1px solid var(--border);padding:18px 2px;}
.faq-item summary{cursor:pointer;font-weight:600;font-size:15px;list-style:none;display:flex;justify-content:space-between;align-items:center;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:'+';font-family:'Plex Mono',monospace;font-size:18px;color:var(--text-dim);}
.faq-item[open] summary::after{content:'–';}
.faq-item p{margin:12px 0 0;font-size:14px;}

/* ---------- CTA final ---------- */
.final-cta{max-width:640px;margin:0 auto;padding:80px 28px 96px;text-align:center;}
.final-cta h2{font-size:clamp(26px,3.4vw,34px);margin-bottom:14px;}
.final-cta p{font-size:15px;margin-bottom:28px;}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--border);}
.footer-inner{max-width:1120px;margin:0 auto;padding:32px 28px 96px 28px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.footer-brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:14px;}
.footer-links{display:flex;gap:20px;flex-wrap:wrap;font-size:13px;color:var(--text-dim);}
.footer-links a:hover{color:var(--text);}
.footer-copy{font-size:12.5px;color:var(--text-faint);display:flex;align-items:center;gap:9px;flex-wrap:wrap;}
.footer-social{display:inline-flex;align-items:center;gap:8px;}
.footer-social a{color:var(--text-faint);display:inline-flex;line-height:0;transition:color .15s ease;}
.footer-social a:hover{color:var(--text);}

/* ---------- instagram flotante ---------- */
.instagram-float{
  position:fixed;bottom:22px;right:86px;width:52px;height:52px;border-radius:50%;
  background:radial-gradient(circle at 30% 110%, #fdf497 0%, #fdf497 5%, #fd5949 45%,#d6249f 60%,#285AEB 90%);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(16,16,18,.22);z-index:40;transition:transform .15s ease;
}
.instagram-float:hover{transform:scale(1.06);}

/* ---------- whatsapp flotante ---------- */
.whatsapp-float{
  position:fixed;bottom:22px;right:22px;width:52px;height:52px;border-radius:50%;
  background:#25D366;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(16,16,18,.22);z-index:40;transition:transform .15s ease;
}
.whatsapp-float:hover{transform:scale(1.06);}

/* ---------- responsive ---------- */
@media (max-width:860px){
  .nav-links{display:none;}
  .nav-burger{display:flex;order:1;margin-left:auto;}
  .nav-actions{display:none;}
  .nav-inner{flex-wrap:wrap;}
  .nav-links.open, .nav-actions.open{
    display:flex;flex-direction:column;flex-basis:100%;width:100%;order:2;
    gap:14px;padding-top:18px;margin-top:14px;border-top:1px solid var(--border);
  }
  .nav-actions.open{flex-direction:row;border-top:none;margin-top:0;padding-top:14px;}
  .fitem, .fitem-reverse{grid-template-columns:1fr;gap:24px;}
  .fitem-copy, .fitem-reverse .fitem-copy{order:1;}
  .fitem-visual, .fitem-reverse .fitem-visual{order:2;}
  .steps-row{grid-template-columns:1fr;gap:28px;}
  .strip{grid-template-columns:repeat(2,1fr);}
}

/* ---------- hero oscuro: glow + mockups de dispositivos ---------- */
.hero{position:relative;overflow:visible;}
.hero-glow-a{position:absolute;top:-220px;left:0;width:600px;height:600px;background:radial-gradient(closest-side, rgba(27,221,197,.24), rgba(27,221,197,0) 70%);pointer-events:none;z-index:-1;}
.hero-glow-b{position:absolute;top:20px;right:-220px;width:640px;height:640px;background:radial-gradient(closest-side, rgba(27,221,197,.14), rgba(27,221,197,0) 70%);pointer-events:none;z-index:-1;}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center;}
.stage{position:relative;height:460px;}
.stage .laptop{position:absolute;top:6px;left:0;width:94%;border-radius:14px;overflow:hidden;background:#000;box-shadow:0 0 0 1px rgba(255,255,255,.10), 0 50px 100px -30px rgba(0,0,0,.7), 0 0 140px -30px rgba(27,221,197,.4);}
.stage .laptop img{display:block;width:100%;}
.stage .phone{position:absolute;bottom:-4px;right:-2%;width:160px;border-radius:24px;overflow:hidden;background:#000;border:5px solid #0d0f12;box-shadow:0 0 0 1px rgba(255,255,255,.10), 0 30px 60px -18px rgba(0,0,0,.7), 0 0 90px -20px rgba(27,221,197,.45);}
.stage .phone img{display:block;width:100%;}
.stage .badge-float{position:absolute;top:-14px;right:14%;display:flex;align-items:center;gap:6px;background:#12181A;border:1px solid rgba(27,221,197,.35);color:var(--signal);font-family:'Plex Mono',monospace;font-size:12px;font-weight:600;padding:8px 12px;border-radius:20px;box-shadow:0 10px 30px -8px rgba(0,0,0,.6), 0 0 24px -6px rgba(27,221,197,.5);z-index:3;}
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;}
  .stage{height:320px;margin-top:10px;}
}

/* ---------- animación al hacer scroll ---------- */
/* Mismo espíritu que la animación de entrada del hero: la sección
   aparece de a poco, deslizándose desde el costado donde "va a
   terminar" (el texto entra desde donde está el texto, la imagen
   desde donde está la imagen) — no es un efecto genérico, acompaña
   el layout real de cada bloque. */
.reveal-left, .reveal-right, .reveal-up{
  opacity:0;
  transition:opacity .7s cubic-bezier(.16,.8,.3,1), transform .7s cubic-bezier(.16,.8,.3,1);
  will-change:opacity, transform;
}
.reveal-left{transform:translateX(-36px);}
.reveal-right{transform:translateX(36px);}
.reveal-up{transform:translateY(26px);}
.reveal-left.revealed, .reveal-right.revealed, .reveal-up.revealed{
  opacity:1;transform:translate(0,0);
}
@media (prefers-reduced-motion: reduce){
  .reveal-left, .reveal-right, .reveal-up{opacity:1 !important;transform:none !important;transition:none !important;}
}