/* ==========================================================================
   Kron Solutions — Design tokens
   ========================================================================== */
:root{
  /* Brand palette — Navy oscuro + Cian brillante (logo: diamante KS) */
  --forest-900:#0a1628;
  --forest-800:#0e2039;
  --forest-700:#15335c;
  --forest-600:#1c4a85;
  --olive-500:#0f7a91;
  --olive-300:#7fe6f5;
  --bronze-500:#22d3ee;
  --bronze-300:#7fe9f7;
  --graphite-900:#050b14;
  --graphite-700:#0f1c2e;
  --cream-050:#f4f8fb;
  --cream-100:#e8f1f7;
  --cream-200:#d2e2ec;
  --ink:#0a1628;
  --ink-soft:#4d5b6e;
  --white:#ffffff;

  --font-display:'Fraunces', Georgia, serif;
  --font-body:'Inter', -apple-system, Segoe UI, sans-serif;

  --radius-sm:6px;
  --radius-md:12px;
  --radius-lg:22px;
  --shadow-soft:0 20px 50px -25px rgba(10,22,40,.35);
  --ease:cubic-bezier(.16,.8,.3,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--cream-050);
  -webkit-font-smoothing:antialiased;
  line-height:1.5;
}
img,svg{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3{font-family:var(--font-display);font-weight:600;line-height:1.1;margin:0;color:var(--forest-900);}
p{margin:0;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}

/* Scroll-reveal base */
[data-reveal]{opacity:0;transform:translateY(24px);transition:opacity .8s var(--ease),transform .8s var(--ease);}
[data-reveal].is-visible{opacity:1;transform:translateY(0);}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:999px;font-weight:600;font-size:15px;
  border:1px solid transparent;cursor:pointer;transition:transform .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
  white-space:nowrap;
}
.btn--primary{background:var(--forest-800);color:var(--cream-050);}
.btn--primary:hover{background:var(--forest-600);transform:translateY(-2px);}
.btn--ghost{background:transparent;color:var(--forest-900);border-color:var(--graphite-900);}
.btn--ghost:hover{background:var(--forest-900);color:var(--cream-050);transform:translateY(-2px);}
.btn--sm{padding:10px 20px;font-size:14px;}
.btn--block{width:100%;}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:18px 0;
  background:transparent;
  transition:background .35s var(--ease),padding .35s var(--ease),box-shadow .35s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(244,248,251,.9);
  backdrop-filter:blur(10px);
  padding:12px 0;
  box-shadow:0 10px 30px -20px rgba(0,0,0,.25);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;}

.brand{display:flex;align-items:center;gap:10px;}
.logo-mark{
  width:38px;height:38px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  position:relative;flex-shrink:0;
}
.logo-mark img{width:100%;height:100%;display:block;}
.logo-mark--animated{animation:logoBreathe 4.5s var(--ease) infinite;border-radius:12px;}
.logo-mark--sm{width:32px;height:32px;}
@keyframes logoBreathe{
  0%,100%{box-shadow:0 0 0 0 rgba(34,211,238,.35);}
  50%{box-shadow:0 0 0 8px rgba(34,211,238,0);}
}
.brand__text{display:flex;align-items:baseline;font-family:var(--font-body);font-weight:800;font-size:18px;letter-spacing:-.01em;}
.brand__name{color:var(--cream-050);transition:color .35s var(--ease);}
.brand__sub{color:var(--bronze-500);transition:color .35s var(--ease);}
.footer-brand__name .brand__name{color:var(--cream-050);}
.site-header.is-scrolled .brand__name{color:var(--forest-900);}
.site-header.is-scrolled .brand__sub{color:var(--olive-500);}

.main-nav{display:flex;gap:32px;}
.main-nav a{font-size:14.5px;font-weight:500;color:var(--cream-050);opacity:.85;position:relative;padding:4px 0;transition:color .35s var(--ease),opacity .2s;}
.main-nav a:hover{opacity:1;}
.main-nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1.5px;background:var(--bronze-500);transition:width .3s var(--ease);}
.main-nav a:hover::after{width:100%;}
.site-header.is-scrolled .main-nav a{color:var(--ink);opacity:.8;}
.main-nav.is-open a{color:var(--ink);opacity:.8;}

.header-actions{display:flex;align-items:center;gap:18px;}
.lang-toggle{display:flex;align-items:center;gap:6px;background:none;border:none;cursor:pointer;font-family:var(--font-body);font-size:13px;font-weight:600;color:rgba(244,248,251,.75);padding:4px;transition:color .35s var(--ease);}
.lang-toggle__opt{opacity:.55;transition:opacity .2s;}
.lang-toggle__opt.is-active{opacity:1;color:var(--cream-050);}
.lang-toggle__sep{opacity:.4;}
.site-header.is-scrolled .lang-toggle{color:var(--ink-soft);}
.site-header.is-scrolled .lang-toggle__opt.is-active{color:var(--forest-800);}

.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:36px;height:36px;background:none;border:none;cursor:pointer;}
.nav-toggle span{display:block;width:100%;height:1.6px;background:var(--cream-050);border-radius:2px;transition:background .35s var(--ease);}
.site-header.is-scrolled .nav-toggle span{background:var(--forest-900);}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  position:relative;
  min-height:92vh;
  display:flex;align-items:center;
  overflow:hidden;
  background:radial-gradient(120% 100% at 15% 0%,var(--forest-700) 0%,var(--forest-900) 48%,var(--graphite-900) 100%);
  padding-top:120px;
}
.hero__bg{position:absolute;inset:0;overflow:hidden;}
.hero__grid{
  position:absolute;inset:-2px;
  background-image:
    radial-gradient(rgba(244,248,251,.18) 1.6px,transparent 1.6px),
    radial-gradient(rgba(244,248,251,.1) 0.8px,transparent 0.8px);
  background-size:96px 96px,96px 96px;
  background-position:0 0,48px 48px;
  mask-image:radial-gradient(80% 70% at 30% 30%,#000 40%,transparent 100%);
}
.hero__glow{
  position:absolute;width:820px;height:820px;border-radius:50%;
  right:-200px;top:-220px;
  background:radial-gradient(circle,rgba(34,211,238,.4) 0%,rgba(34,211,238,0) 68%);
  filter:blur(14px);
}
.hero__logo-zone{
  position:absolute;right:2%;top:10%;
  width:540px;height:540px;
  display:flex;align-items:center;justify-content:center;
  opacity:.92;
}
.hero__logo-ghost{
  position:relative;z-index:1;
  width:86%;height:86%;
  cursor:pointer;
}
/* El latido solo se dispara al pasar el raton (clase anadida en js/main.js). */
.hero__logo-ghost.is-beating{animation:heroHeartbeat 1.8s ease-in-out 1;}
@keyframes heroHeartbeat{
  0%,38%,100%{transform:scale(1);}
  10%{transform:scale(1.09);}
  20%{transform:scale(1);}
  30%{transform:scale(1.13);}
}

/* Onda expansiva al pasar el raton — se inyecta dinamicamente (ver
   js/main.js). Crece en tamaño (no con scale) para que el grosor y el
   difuminado de la onda se mantengan constantes mientras cruza todo el
   hero; --wave-end lo calcula JS segun la esquina mas lejana. */
.hero__pulse-ring{
  position:absolute;top:50%;left:50%;
  width:300px;height:300px;
  border:14px solid rgba(34,211,238,.7);
  border-radius:48px;
  box-shadow:0 0 70px 28px rgba(34,211,238,.4),inset 0 0 70px 28px rgba(34,211,238,.28);
  filter:blur(38px);
  transform:translate(-50%,-50%) rotate(45deg);
  opacity:0;
  pointer-events:none;
  animation:heroPulseWave 4.3s cubic-bezier(.25,.6,.4,1) 1 forwards;
}
@keyframes heroPulseWave{
  0%{opacity:0;width:300px;height:300px;}
  8%{opacity:1;}
  65%{opacity:.6;}
  100%{opacity:0;width:var(--wave-end,3000px);height:var(--wave-end,3000px);}
}

.hero__content{position:relative;z-index:2;max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.22em;
  color:var(--bronze-300);margin-bottom:22px;
}
.eyebrow--light{color:var(--olive-500);}
.eyebrow__arrow{color:var(--bronze-500);font-size:11px;}
.hero__title{
  font-size:clamp(38px,6vw,64px);
  color:var(--cream-050);
  margin-bottom:22px;
}
.hero__title span{display:block;}
.hero__subtitle{
  font-size:18px;line-height:1.65;color:rgba(244,248,251,.78);
  max-width:560px;margin-bottom:38px;
}
.hero__cta{display:flex;flex-wrap:wrap;gap:16px;}
.hero .btn--ghost{color:var(--cream-050);border-color:rgba(244,248,251,.4);}
.hero .btn--ghost:hover{background:var(--cream-050);color:var(--forest-900);}

.hero__scroll{
  position:absolute;bottom:34px;left:50%;transform:translateX(-50%);
  width:26px;height:42px;border:1.5px solid rgba(244,248,251,.4);border-radius:20px;
  display:flex;justify-content:center;padding-top:8px;
}
.hero__scroll span{width:4px;height:8px;border-radius:2px;background:var(--bronze-300);animation:scrollDot 2s ease-in-out infinite;}
@keyframes scrollDot{0%{opacity:1;transform:translateY(0);}70%{opacity:0;transform:translateY(14px);}100%{opacity:0;}}

/* ==========================================================================
   Trust strip
   ========================================================================== */
.strip{background:var(--forest-900);padding:34px 0;}
.strip__label{
  text-align:center;color:rgba(244,248,251,.55);
  font-size:12px;letter-spacing:.18em;text-transform:uppercase;margin-bottom:20px;
}
.strip__list{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 36px;}
.strip__list li{color:rgba(244,248,251,.85);font-size:14.5px;font-weight:500;position:relative;padding-left:16px;}
.strip__list li::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:6px;height:6px;border-radius:50%;background:var(--bronze-500);}

/* ==========================================================================
   Section head (shared)
   ========================================================================== */
.section-head{max-width:640px;margin-bottom:56px;}
.section-head .eyebrow{color:var(--olive-500);}
.section-head .eyebrow__arrow{color:var(--bronze-500);}
.section-head h2{font-size:clamp(28px,3.4vw,42px);}
.section-head__desc{margin-top:16px;color:var(--ink-soft);font-size:16.5px;}

section{padding:110px 0;}

.visually-hidden{
  position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

/* ==========================================================================
   Pillars
   ========================================================================== */
.pillars__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.pillar-card{
  background:var(--white);border:1px solid var(--cream-200);
  border-radius:var(--radius-lg);padding:44px 38px;
  box-shadow:var(--shadow-soft);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.pillar-card:hover{transform:translateY(-6px);box-shadow:0 30px 60px -25px rgba(10,22,40,.4);}
.pillar-card__index{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:50%;
  background:var(--forest-900);color:var(--bronze-300);
  font-family:var(--font-display);font-size:18px;margin-bottom:24px;
}
.pillar-card h3{font-size:23px;margin-bottom:14px;}
.pillar-card > p{color:var(--ink-soft);font-size:15.5px;margin-bottom:22px;}
.pillar-card__list{border-top:1px solid var(--cream-200);padding-top:20px;display:flex;flex-direction:column;gap:12px;}
.pillar-card__list li{font-size:14.5px;font-weight:500;padding-left:22px;position:relative;color:var(--forest-800);}
.pillar-card__list li::before{content:"";position:absolute;left:0;top:7px;width:10px;height:1.5px;background:var(--bronze-500);}

/* ==========================================================================
   Methodology timeline
   ========================================================================== */
.method{background:var(--cream-100);}
.method__timeline{
  display:grid;grid-template-columns:repeat(6,1fr);gap:20px;
  counter-reset:step;
}
.method__timeline li{
  background:var(--white);border-radius:var(--radius-md);
  padding:26px 20px;border:1px solid var(--cream-200);
  position:relative;
}
.method__timeline li:not(:last-child)::after{
  content:"";position:absolute;top:36px;right:-20px;width:20px;height:1px;
  background:repeating-linear-gradient(90deg,var(--bronze-500) 0 4px,transparent 4px 8px);
  display:none;
}
@media (min-width:1000px){.method__timeline li:not(:last-child)::after{display:block;}}
.method__num{font-family:var(--font-display);font-size:14px;color:var(--olive-500);font-weight:600;}
.method__timeline h3{font-size:17px;margin:12px 0 8px;}
.method__timeline p{font-size:13.5px;color:var(--ink-soft);line-height:1.5;}

/* ==========================================================================
   Services grid
   ========================================================================== */
/* Escenario de la cabecera: carrusel 3D de iconos orbitando alrededor del
   titulo (posiciones calculadas en js/main.js). Los de delante (abajo) son
   grandes y nitidos; los de detras (arriba), pequenos, difuminados y tenues. */
.services__stage{position:relative;padding:120px 0 150px;margin-bottom:40px;}
.services__orbit{position:absolute;inset:0;pointer-events:none;}
.services__orbit-item{
  position:absolute;left:0;top:0;
  width:44px;height:44px;margin:-22px 0 0 -22px;
  color:var(--forest-700);
  will-change:transform,filter,opacity;
}
.services__orbit-item svg{width:100%;height:100%;display:block;}
.section-head--center{position:relative;z-index:1;margin:0 auto;text-align:center;}
.section-head--center .eyebrow{justify-content:center;}

.services__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.service-card{
  background:var(--white);border:1px solid var(--cream-200);border-radius:var(--radius-md);
  padding:34px 28px;transition:transform .3s var(--ease),border-color .3s var(--ease);
}
.service-card:hover{transform:translateY(-4px);border-color:var(--bronze-500);}
.service-card__icon{width:38px;height:38px;color:var(--forest-700);margin-bottom:20px;}
.service-card h3{font-size:18.5px;margin-bottom:10px;}
.service-card p{font-size:14.5px;color:var(--ink-soft);line-height:1.55;}

/* ==========================================================================
   About / stats
   ========================================================================== */
.about{background:var(--forest-900);color:var(--cream-050);}
.about h2,.about h3{color:var(--cream-050);}
.about__inner{display:grid;grid-template-columns:1.1fr 1fr;gap:60px;align-items:center;}
.about__text p{color:rgba(244,248,251,.75);font-size:16.5px;line-height:1.7;margin-top:20px;}
.about__stats{display:grid;gap:22px;}
.stat-card{
  background:rgba(244,248,251,.05);border:1px solid rgba(244,248,251,.12);
  border-radius:var(--radius-md);padding:26px 28px;
  display:flex;align-items:baseline;gap:6px;flex-wrap:wrap;
}
.stat-card__num{font-family:var(--font-display);font-size:40px;color:var(--bronze-300);font-weight:600;}
.stat-card__suffix{font-family:var(--font-display);font-size:28px;color:var(--bronze-300);}
.stat-card p{flex-basis:100%;color:rgba(244,248,251,.7);font-size:14px;margin-top:4px;}

/* ==========================================================================
   Contact
   ========================================================================== */
.contact{background:var(--cream-100);}
.contact__inner{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:start;}
.contact__intro h2{font-size:clamp(26px,3vw,36px);margin:8px 0 16px;}
.contact__intro > p{color:var(--ink-soft);font-size:16px;line-height:1.6;}
.contact__meta{margin-top:34px;display:flex;flex-direction:column;gap:14px;}
.contact__meta li{display:flex;flex-direction:column;gap:2px;font-size:14px;}
.contact__meta span{color:var(--ink-soft);text-transform:uppercase;letter-spacing:.1em;font-size:11px;}
.contact__meta a{font-weight:600;color:var(--forest-800);}

.contact__form{
  background:var(--white);border-radius:var(--radius-lg);
  padding:40px;border:1px solid var(--cream-200);box-shadow:var(--shadow-soft);
  display:flex;flex-direction:column;gap:20px;
}
.form-row{display:flex;flex-direction:column;gap:8px;}
.form-row--split{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.form-row--split > div{display:flex;flex-direction:column;gap:8px;}
label{font-size:13px;font-weight:600;color:var(--forest-800);}
input,select,textarea{
  font-family:var(--font-body);font-size:15px;color:var(--ink);
  padding:12px 14px;border:1px solid var(--cream-200);border-radius:var(--radius-sm);
  background:var(--cream-050);transition:border-color .25s,box-shadow .25s;
}
input:focus,select:focus,textarea:focus{
  outline:none;border-color:var(--bronze-500);box-shadow:0 0 0 3px rgba(34,211,238,.18);
}
textarea{resize:vertical;}
.form-consent{display:flex;align-items:flex-start;gap:10px;}
.form-consent input{
  flex:none;width:18px;height:18px;margin:1px 0 0;padding:0;
  accent-color:var(--forest-700);cursor:pointer;
}
.form-consent label{font-size:12.5px;font-weight:400;line-height:1.5;color:var(--ink-soft);cursor:pointer;}
.form-note{font-size:12.5px;color:var(--ink-soft);text-align:center;}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer{background:var(--graphite-900);color:rgba(244,248,251,.7);padding:52px 0 28px;}
.footer-inner{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:28px;margin-bottom:28px;}
.footer-brand{display:flex;align-items:center;gap:14px;}
.footer-brand__name{margin:0;}
.footer-brand__tag{font-size:12.5px;color:rgba(244,248,251,.5);margin-top:4px;}
.footer-nav{display:flex;gap:26px;flex-wrap:wrap;}
.footer-nav a{font-size:13.5px;color:rgba(244,248,251,.65);}
.footer-nav a:hover{color:var(--bronze-300);}
.footer-legal{border-top:1px solid rgba(244,248,251,.1);padding-top:22px;font-size:12.5px;text-align:center;color:rgba(244,248,251,.45);}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width:960px){
  .pillars__grid,.services__grid{grid-template-columns:1fr 1fr;}
  .method__timeline{grid-template-columns:repeat(3,1fr);}
  .about__inner,.contact__inner{grid-template-columns:1fr;}
  .hero__logo-zone{width:380px;height:380px;}
}
@media (max-width:760px){
  .main-nav{
    position:fixed;top:0;right:0;height:100vh;width:78%;max-width:320px;
    background:var(--cream-050);flex-direction:column;justify-content:center;gap:28px;
    padding:40px;transform:translateX(100%);transition:transform .4s var(--ease);
    box-shadow:-20px 0 60px rgba(0,0,0,.15);
  }
  .main-nav.is-open{transform:translateX(0);}
  .main-nav a{font-size:19px;}
  .nav-toggle{display:flex;}
  .header-actions{gap:12px;}
  .btn--sm{display:none;}
  .pillars__grid,.services__grid{grid-template-columns:1fr;}
  .method__timeline{grid-template-columns:1fr 1fr;}
  .form-row--split{grid-template-columns:1fr;}
  section{padding:76px 0;}
  .hero{min-height:auto;padding:150px 0 100px;}
  .hero__logo-zone{display:none;}
  .services__stage{padding:90px 0 110px;margin-bottom:20px;}
  .services__orbit-item{width:32px;height:32px;margin:-16px 0 0 -16px;}
}