/* ==========================================================================
   Dataclick.cl — hoja de estilos base
   Tema claro/oscuro vía [data-theme] en <html>, persistido en localStorage.
   Header, hero y footer mantienen el "navy" de marca en ambos temas;
   el resto del contenido cambia de superficie según el tema activo.
   ========================================================================== */

:root{
  --navy-950:#0a1220;
  --navy-900:#0d1b2e;
  --navy-800:#122238;
  --navy-700:#1a2f4b;
  --navy-600:#24406a;
  --cyan-400:#3fd0e0;
  --cyan-300:#7fe3ee;
  --green-400:#3ecf8e;

  --radius-sm:6px;
  --radius-md:10px;
  --radius-lg:16px;
  --ease:cubic-bezier(.22,.61,.36,1);

  /* tema claro (default) */
  --bg:#ffffff;
  --bg-alt:#f6f8fb;
  --surface:#ffffff;
  --border:#e2e8f0;
  --text:#0c1524;
  --text-muted:#4a5a72;
  --text-soft:#7488a3;
}

html[data-theme="dark"]{
  --bg:#0a1220;
  --bg-alt:#0f1b2e;
  --surface:#122238;
  --border:rgba(255,255,255,0.10);
  --text:#eef2f7;
  --text-muted:#a9bad4;
  --text-soft:#7f92ac;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  transition:background .35s var(--ease), color .35s var(--ease);
  text-wrap:pretty;
}
h1,h2,h3,h4{
  font-family:'Space Grotesk',system-ui,sans-serif;
  margin:0;
  letter-spacing:-0.01em;
  color:var(--text);
}
p{color:var(--text-muted);}
a{color:var(--cyan-400);text-decoration:none;}
img{max-width:100%;display:block;}
.container{max-width:1180px;margin:0 auto;padding:0 24px;}
.eyebrow{
  font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--cyan-400);
}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-alt{background:var(--bg-alt);}

/* Botones */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-sm);font-weight:600;font-size:15px;
  cursor:pointer;border:1px solid transparent;white-space:nowrap;
  transition:transform .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease);
  font-family:inherit;
}
.btn:active{transform:scale(.97);}
.btn-primary{background:var(--cyan-400);color:var(--navy-950);}
.btn-primary:hover{background:var(--cyan-300);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28);}
.btn-ghost:hover{border-color:rgba(255,255,255,.6);}
.btn-outline{background:transparent;color:var(--text);border-color:var(--border);}
.btn-outline:hover{border-color:var(--cyan-400);color:var(--cyan-400);}
.btn-sm{padding:10px 18px;font-size:13.5px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.6;cursor:not-allowed;transform:none !important;}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 0;background:rgba(10,18,32,.86);backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;width:100%;}
.brand{display:flex;align-items:center;gap:10px;color:#fff;}
.brand svg{display:block;}
.nav{display:flex;align-items:center;gap:8px;}
.nav a{
  position:relative;font-size:14.5px;font-weight:500;color:#c7d2e2;padding:8px 14px;border-radius:6px;
  transition:color .18s var(--ease);
}
.nav a:hover{color:#fff;}
.nav a.active{color:#fff;}
.nav a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--cyan-400);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:14px;}

/* Toggle de tema */
.theme-toggle{
  width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.04);display:flex;align-items:center;justify-content:center;cursor:pointer;
  color:#fff;transition:border-color .18s var(--ease), transform .3s var(--ease);
}
.theme-toggle:hover{border-color:var(--cyan-400);}
.theme-toggle svg{transition:transform .5s var(--ease), opacity .3s var(--ease);}
.theme-toggle .icon-sun{display:none;}
html[data-theme="dark"] .theme-toggle .icon-moon{display:none;}
html[data-theme="dark"] .theme-toggle .icon-sun{display:block;}

.nav-burger{display:none;width:40px;height:40px;border-radius:8px;border:1px solid rgba(255,255,255,.18);background:transparent;color:#fff;align-items:center;justify-content:center;cursor:pointer;}

/* ===== Hero con movimiento ===== */
.hero{
  position:relative;overflow:hidden;
  padding:120px 0 130px;
  background:linear-gradient(160deg,var(--navy-950) 0%,var(--navy-900) 55%,var(--navy-800) 100%);
}
.hero-inner{position:relative;z-index:2;}
.hero h1{font-size:56px;line-height:1.08;color:#fff;max-width:760px;}
.hero p.lead{margin-top:24px;font-size:18px;line-height:1.6;color:#a9bad4;max-width:600px;}
.hero-actions{display:flex;gap:16px;margin-top:40px;flex-wrap:wrap;}
.hero-stats{display:flex;gap:48px;margin-top:72px;padding-top:32px;border-top:1px solid rgba(255,255,255,.12);flex-wrap:wrap;}
.hero-stats .num{font-family:'Space Grotesk',sans-serif;font-size:28px;font-weight:700;color:#fff;}
.hero-stats .label{font-size:13.5px;color:#7f92ac;margin-top:4px;}

.hero-orbit{position:absolute;right:-160px;top:-140px;opacity:.55;z-index:1;animation:spin 90s linear infinite;}
.hero-orbit.reverse{animation-direction:reverse;animation-duration:130s;opacity:.35;}
@keyframes spin{from{transform:rotate(0deg);}to{transform:rotate(360deg);}}
.hero-node{animation:pulse 3.2s ease-in-out infinite;transform-origin:center;}
.hero-node:nth-child(2){animation-delay:.6s;}
.hero-node:nth-child(3){animation-delay:1.2s;}
@keyframes pulse{0%,100%{opacity:.55;transform:scale(1);}50%{opacity:1;transform:scale(1.6);}}

.hero-float{animation:float 6s ease-in-out infinite;}
@keyframes float{0%,100%{transform:translateY(0);}50%{transform:translateY(-14px);}}

@media (prefers-reduced-motion: reduce){
  .hero-orbit,.hero-node,.hero-float,[data-reveal]{animation:none !important;transition:none !important;}
}

/* Fade-up al hacer scroll */
[data-reveal]{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease), transform .7s var(--ease);}
[data-reveal].in-view{opacity:1;transform:translateY(0);}
[data-reveal-delay="1"]{transition-delay:.08s;}
[data-reveal-delay="2"]{transition-delay:.16s;}
[data-reveal-delay="3"]{transition-delay:.24s;}
[data-reveal-delay="4"]{transition-delay:.32s;}

/* ===== Tarjetas / grillas ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}

.card{
  padding:36px 30px;background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius-md);
  transition:transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.card:hover{transform:translateY(-6px);border-color:var(--cyan-400);box-shadow:0 18px 40px -20px rgba(63,208,224,.35);}
.card .icon-badge{
  width:52px;height:52px;border-radius:10px;background:var(--navy-950);display:flex;align-items:center;justify-content:center;
  transition:transform .3s var(--ease);
}
.card:hover .icon-badge{transform:scale(1.08) rotate(-4deg);}
.card h3{font-size:20px;margin-top:20px;}
.card p{font-size:14.5px;line-height:1.65;margin-top:12px;}
.card .more{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;margin-top:16px;color:var(--cyan-400);}
.card .more svg{transition:transform .2s var(--ease);}
.card:hover .more svg{transform:translateX(4px);}

.card-flat{display:flex;align-items:flex-start;gap:16px;padding:26px;background:var(--surface);border:1px solid var(--border);border-radius:8px;}
.card-flat h3{font-size:16.5px;}
.card-flat p{font-size:14px;line-height:1.6;margin-top:8px;}

.pillar{padding:28px;background:var(--navy-900);border-radius:var(--radius-md);border:1px solid rgba(255,255,255,.08);transition:transform .3s var(--ease);}
.pillar:hover{transform:translateY(-4px);}
.pillar h3{font-size:16px;color:#fff;margin-top:16px;}
.pillar p{font-size:13.5px;line-height:1.6;color:#8695ad;margin-top:8px;}

/* Pasos de proceso */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;position:relative;}
.step{position:relative;padding:0 20px;}
.step .num{
  width:44px;height:44px;border-radius:50%;background:var(--surface);border:2px solid var(--cyan-400);color:var(--cyan-400);
  display:flex;align-items:center;justify-content:center;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:16px;
  position:relative;z-index:2;
}
.step h4{font-size:15.5px;margin-top:16px;}
.step p{font-size:13.5px;margin-top:8px;line-height:1.6;}
.step-line{position:absolute;top:22px;left:calc(50% + 22px);right:calc(-50% + 22px);height:2px;background:var(--border);z-index:1;}
.step:last-child .step-line{display:none;}

/* ===== Formulario ===== */
.form-field{display:flex;flex-direction:column;gap:8px;margin-bottom:20px;}
.form-field label{font-size:13.5px;font-weight:600;color:var(--text);}
.form-field input,.form-field select,.form-field textarea{
  padding:13px 14px;border-radius:8px;border:1px solid var(--border);background:var(--surface);color:var(--text);
  font-family:inherit;font-size:14.5px;transition:border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--cyan-400);box-shadow:0 0 0 3px rgba(63,208,224,.18);
}
.form-field textarea{resize:vertical;min-height:130px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.form-hint{font-size:12.5px;color:var(--text-soft);margin-top:4px;}
.form-status{font-size:13.5px;padding:12px 14px;border-radius:8px;margin-top:16px;display:none;}
.form-status.ok{display:block;background:rgba(62,207,142,.12);color:var(--green-400);border:1px solid rgba(62,207,142,.3);}
.form-status.err{display:block;background:rgba(240,90,90,.1);color:#e06868;border:1px solid rgba(240,90,90,.3);}
.form-status.sending{display:block;background:rgba(63,208,224,.1);color:var(--cyan-400);border:1px solid rgba(63,208,224,.3);}

.contact-info-card{padding:32px;background:var(--navy-900);border-radius:var(--radius-lg);color:#fff;}
.contact-info-row{display:flex;gap:14px;align-items:flex-start;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.08);}
.contact-info-row:last-child{border-bottom:none;}
.contact-info-row .label{font-size:12.5px;color:#7f92ac;}
.contact-info-row .value{font-size:15px;color:#fff;font-weight:500;margin-top:2px;}

/* ===== Footer ===== */
.site-footer{padding:56px 0 32px;background:var(--navy-950);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-grid h4{font-size:13px;font-weight:600;color:#fff;margin-bottom:14px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:13.5px;color:#8695ad;transition:color .18s var(--ease);}
.footer-links a:hover{color:var(--cyan-400);}
.footer-bottom{display:flex;justify-content:space-between;padding-top:24px;flex-wrap:wrap;gap:10px;}
.footer-bottom span{font-size:12.5px;color:#5c6d87;}

/* ===== Utilidades responsive ===== */
@media (max-width: 960px){
  .nav,.nav-actions .btn-primary{display:none;}
  .nav-burger{display:flex;}
  .grid-3,.grid-2,.grid-4{grid-template-columns:1fr;}
  .hero h1{font-size:38px;}
  .steps{grid-template-columns:1fr;gap:32px;}
  .step-line{display:none;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
