/* ===================================================
   ALQUIMIA TECNOLÓGICA — DESIGN TOKENS
   Paleta extraída del logo: fondo oscuro tipo "chip" con
   sinapsis multicolor (cian, magenta, púrpura, azul, naranja).
=================================================== */
:root{
  /* Fondo */
  --bg:          #0a0e1a;
  --bg-alt:      #0d1220;
  --surface:     #121834;
  --surface-2:   #171f42;
  --border:      #232c4f;

  /* Acentos (tomados directamente del logo) */
  --cyan:        #22d3ee;
  --magenta:     #ec1e97;
  --purple:      #7c3aed;
  --blue:        #3b6df0;
  --orange:      #fb923c;

  /* Texto */
  --text:        #eef1fb;
  --text-dim:    #9aa3c0;
  --text-faint:  #666f92;

  /* Gradiente firma — replica las líneas de sinapsis del logo */
  --gradient-brand: linear-gradient(90deg, var(--magenta), var(--purple), var(--blue), var(--cyan));
  --gradient-warm:  linear-gradient(90deg, var(--orange), var(--magenta));

  /* Tipografía */
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* Layout */
  --container: 1180px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
}

/* ===================================================
   RESET
=================================================== */
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{ font-family:var(--font-display); margin:0; line-height:1.15; }
p{ margin:0; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; cursor:pointer; }
input,textarea{ font-family:inherit; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important; }
}

.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
  border-radius:4px;
}

/* ===================================================
   UTILITIES
=================================================== */
.text-gradient{
  background:var(--gradient-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--cyan);
  margin:0 0 18px;
}
.eyebrow--center{ display:flex; justify-content:center; width:100%; }
.eyebrow__dot{
  width:7px; height:7px; border-radius:50%;
  background:var(--gradient-brand);
  box-shadow:0 0 10px var(--cyan);
  flex-shrink:0;
}

.section{ padding:110px 0; position:relative; }
.section--alt{ background:var(--bg-alt); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.section__title{
  font-size:clamp(28px, 4vw, 42px);
  font-weight:600;
  max-width:720px;
  margin-bottom:20px;
}
#nosotros .section__title,
#servicios .section__title{ text-align:center; margin-inline:auto; }
.section__lead{
  font-size:17px;
  color:var(--text-dim);
  max-width:620px;
  margin-bottom:56px;
}
#nosotros .section__lead,
#servicios .section__lead{ text-align:center; margin-inline:auto; }

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:999px;
  font-weight:600;
  font-size:15px;
  border:1px solid transparent;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  white-space:nowrap;
}
.btn--primary{
  background:var(--gradient-brand);
  color:#fff;
  box-shadow:0 8px 24px -8px rgba(124,58,237,.55);
}
.btn--primary:hover{ transform:translateY(-2px); box-shadow:0 12px 28px -6px rgba(236,30,151,.5); }
.btn--ghost{
  background:transparent;
  color:var(--text);
  border-color:var(--border);
}
.btn--ghost:hover{ border-color:var(--cyan); color:var(--cyan); }
.btn--small{ padding:9px 18px; font-size:13.5px; }
.btn--full{ width:100%; }

/* ===================================================
   NAVBAR
=================================================== */
.navbar{
  position:sticky;
  top:0;
  z-index:1000;
  padding:18px 0;
  transition:background .25s ease, padding .25s ease, border-color .25s ease;
  border-bottom:1px solid transparent;
}
.navbar.is-scrolled{
  background:rgba(10,14,26,.86);
  backdrop-filter:blur(14px);
  padding:12px 0;
  border-bottom-color:var(--border);
}
.navbar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.navbar__brand{ display:flex; align-items:center; }
.navbar__logo{ height:44px; width:auto; }

.navbar__nav{
  display:flex;
  align-items:center;
  gap:30px;
}
.navbar__link{
  font-size:14.5px;
  font-weight:500;
  color:var(--text-dim);
  position:relative;
  padding:4px 0;
  transition:color .2s ease;
}
.navbar__link::after{
  content:'';
  position:absolute;
  left:0; bottom:0;
  width:0; height:2px;
  background:var(--gradient-brand);
  transition:width .25s ease;
}
.navbar__link:hover{ color:var(--text); }
.navbar__link:hover::after{ width:100%; }

.navbar__toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:34px; height:34px;
  background:none; border:none;
  padding:0;
}
.navbar__toggle span{
  width:100%; height:2px;
  background:var(--text);
  border-radius:2px;
  transition:transform .25s ease, opacity .25s ease;
}

@media (max-width:860px){
  .navbar__toggle{ display:flex; }
  .navbar__nav{
    position:fixed;
    inset:0 0 auto 0;
    top:74px;
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    background:var(--bg-alt);
    border-bottom:1px solid var(--border);
    padding:10px 24px 24px;
    transform:translateY(-12px);
    opacity:0;
    pointer-events:none;
    transition:opacity .2s ease, transform .2s ease;
  }
  .navbar__nav.is-open{
    transform:translateY(0);
    opacity:1;
    pointer-events:auto;
  }
  .navbar__link{ width:100%; padding:14px 0; border-bottom:1px solid var(--border); }
  .navbar__cta{ margin-top:16px; width:100%; }
  .navbar.is-scrolled .navbar__nav{ top:66px; }
}

/* ===================================================
   HERO
=================================================== */
.hero{
  position:relative;
  padding:150px 0 100px;
  overflow:hidden;
  isolation:isolate;
}
.hero__canvas{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  z-index:-2;
  opacity:.55;
}
.hero__glow{
  position:absolute;
  inset:-20% -10% auto -10%;
  height:600px;
  background:
    radial-gradient(38% 55% at 20% 20%, rgba(236,30,151,.28), transparent 70%),
    radial-gradient(38% 55% at 80% 10%, rgba(34,211,238,.24), transparent 70%),
    radial-gradient(45% 60% at 55% 45%, rgba(124,58,237,.22), transparent 70%);
  z-index:-1;
  pointer-events:none;
}
.hero__content{ position:relative; text-align:center; max-width:820px; margin:0 auto; }
.hero__title{
  font-size:clamp(36px, 6vw, 62px);
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:26px;
}
.hero__subtitle{
  font-size:18px;
  color:var(--text-dim);
  max-width:640px;
  margin:0 auto 40px;
}
.hero__actions{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:16px;
  flex-wrap:wrap;
  margin-bottom:76px;
}

.hero__stats{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:20px;
  border-top:1px solid var(--border);
  padding-top:36px;
}
.hero__stat{ display:flex; flex-direction:column; gap:6px; }
.hero__stat-num{
  font-family:var(--font-display);
  font-size:30px;
  font-weight:700;
  background:var(--gradient-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero__stat-label{ font-size:13.5px; color:var(--text-faint); }

@media (max-width:700px){
  .hero{ padding:130px 0 70px; }
  .hero__stats{ grid-template-columns:1fr; text-align:left; gap:18px; }
}

/* ===================================================
   PILARES (Aprender / Colaborar / Crecer)
=================================================== */
.pillars{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:28px;
  position:relative;
}
.pillar{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:36px 30px;
  text-align:center;
  transition:transform .25s ease, border-color .25s ease;
}
.pillar:hover{ transform:translateY(-6px); border-color:var(--cyan); }
.pillar__icon{
  width:64px; height:64px;
  margin:0 auto 22px;
  display:flex; align-items:center; justify-content:center;
  border-radius:16px;
  background:var(--surface-2);
}
.pillar__icon svg{ width:32px; height:32px; }
.pillar__icon[data-color="cyan"]{ color:var(--cyan); }
.pillar__icon[data-color="magenta"]{ color:var(--magenta); }
.pillar__icon[data-color="orange"]{ color:var(--orange); }
.pillar__title{ font-size:20px; font-weight:600; margin-bottom:10px; }
.pillar__text{ font-size:14.5px; color:var(--text-dim); }

@media (max-width:800px){
  .pillars{ grid-template-columns:1fr; }
}

/* ===================================================
   SERVICIOS
=================================================== */
.services-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:24px;
}
.service-card{
  background:linear-gradient(160deg, var(--surface), var(--bg-alt));
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:32px 28px;
  position:relative;
  overflow:hidden;
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.service-card::before{
  content:'';
  position:absolute;
  top:0; left:0; right:0;
  height:3px;
  background:var(--gradient-brand);
  opacity:0;
  transition:opacity .25s ease;
}
.service-card:hover{
  transform:translateY(-5px);
  border-color:var(--border);
  box-shadow:0 20px 40px -20px rgba(0,0,0,.6);
}
.service-card:hover::before{ opacity:1; }
.service-card__icon{
  width:52px; height:52px;
  margin-bottom:20px;
  color:var(--cyan);
}
.service-card__icon svg{ width:100%; height:100%; }
.service-card__title{ font-size:18.5px; font-weight:600; margin-bottom:10px; }
.service-card__text{ font-size:14.5px; color:var(--text-dim); }

@media (max-width:900px){
  .services-grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width:600px){
  .services-grid{ grid-template-columns:1fr; }
}

/* ===================================================
   CONTACTO
=================================================== */
.contact{
  display:grid;
  grid-template-columns:1fr 1.15fr;
  gap:64px;
  align-items:start;
}
.contact__title{ text-align:left; margin-inline:0; }
.contact__lead{ text-align:left; margin-inline:0; margin-bottom:40px; }

.contact-info{ display:flex; flex-direction:column; gap:18px; margin-bottom:36px; }
.contact-info__item{
  display:flex;
  align-items:center;
  gap:14px;
  font-size:15px;
  color:var(--text-dim);
}
.contact-info__icon{
  width:38px; height:38px;
  flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
  border-radius:10px;
  background:var(--surface);
  border:1px solid var(--border);
  color:var(--cyan);
}
.contact-info__icon svg{ width:18px; height:18px; }
.contact-info__item a:hover{ color:var(--cyan); }

.contact__socials{ display:flex; gap:12px; }
.social-icon{
  width:38px; height:38px;
  border-radius:10px;
  border:1px solid var(--border);
  display:flex; align-items:center; justify-content:center;
  color:var(--text-dim);
  transition:color .2s ease, border-color .2s ease, transform .2s ease;
}
.social-icon svg{ width:18px; height:18px; }
.social-icon:hover{ color:var(--cyan); border-color:var(--cyan); transform:translateY(-2px); }

.contact-form{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:40px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.form-row{ display:flex; flex-direction:column; gap:8px; }
.form-row label{ font-size:13px; color:var(--text-dim); font-weight:500; }
.form-row input,
.form-row textarea{
  background:var(--bg-alt);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  padding:13px 16px;
  color:var(--text);
  font-size:15px;
  resize:vertical;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.form-row input::placeholder,
.form-row textarea::placeholder{ color:var(--text-faint); }
.form-row input:focus,
.form-row textarea:focus{
  outline:none;
  border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(34,211,238,.15);
}
.form-note{
  font-size:14px;
  color:var(--cyan);
  min-height:20px;
}

@media (max-width:900px){
  .contact{ grid-template-columns:1fr; gap:48px; }
  .contact-form{ padding:28px; }
}

/* ===================================================
   FOOTER
=================================================== */
.footer{
  background:var(--bg-alt);
  border-top:1px solid var(--border);
  padding:70px 0 0;
}
.footer__inner{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:50px;
  border-bottom:1px solid var(--border);
}
.footer__logo{ height:46px; margin-bottom:16px; }
.footer__tagline{ color:var(--text-dim); font-size:14px; max-width:280px; }
.footer__col h4{
  font-size:13px;
  text-transform:uppercase;
  letter-spacing:.08em;
  color:var(--text-faint);
  font-weight:600;
  margin-bottom:18px;
}
.footer__col a{
  display:block;
  color:var(--text-dim);
  font-size:14.5px;
  margin-bottom:12px;
  transition:color .2s ease;
}
.footer__col a:hover{ color:var(--cyan); }
.footer__socials{ display:flex; gap:10px; }

.footer__bottom{
  padding:24px 0;
  text-align:center;
  font-size:13px;
  color:var(--text-faint);
}

@media (max-width:800px){
  .footer__inner{ grid-template-columns:1fr 1fr; gap:36px; }
}
@media (max-width:520px){
  .footer__inner{ grid-template-columns:1fr; }
}

/* ===================================================
   WHATSAPP FLOTANTE
=================================================== */
.whatsapp-float{
  position:fixed;
  bottom:26px;
  right:26px;
  width:60px; height:60px;
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  background:#1fce5b;
  color:#fff;
  box-shadow:0 10px 30px -6px rgba(31,206,91,.55);
  z-index:900;
  transition:transform .2s ease, box-shadow .2s ease;
}
.whatsapp-float svg{ width:32px; height:32px; }
.whatsapp-float:hover{ transform:translateY(-3px) scale(1.05); box-shadow:0 14px 34px -6px rgba(31,206,91,.65); }

@media (max-width:520px){
  .whatsapp-float{ width:54px; height:54px; bottom:18px; right:18px; }
  .whatsapp-float svg{ width:28px; height:28px; }
}

/* ===================================================
   SCROLL REVEAL
=================================================== */
.reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .6s ease, transform .6s ease;
}
.reveal.is-visible{
  opacity:1;
  transform:translateY(0);
}