/* ===== Paleta oscura / tokens ===== */
:root{
  --primary-color:#0E0E10;
  --primary-color-50:rgba(14,14,16,0.5);
  --secondary-color:#fff;
  --secondary-color-90:rgba(255,255,255,0.9);
  --secondary-color-70:rgba(255,255,255,0.7);
  --secondary-color-60:rgba(255,255,255,0.6);
  --secondary-color-40:rgba(255,255,255,0.4);
  --secondary-color-10:rgba(255,255,255,0.1);
  --light-gray:#43454D;
  --light-gray-15:rgba(67,69,77,0.15);
  --light-gray-20:rgba(67,69,77,0.20);
  --light-gray-50:rgba(67,69,77,0.50);
  --light-gray-60:rgba(67,69,77,0.60);
  --complementary-gray:#1D1E22;

  --acent:#006cdb;
  --acent-80:#0076ff;
  --acent-light:#3FA0FD;
  --acent-120:#0066CC;
  --acent60:rgba(0,120,242,0.60);
  --acent30:rgba(0,120,242,0.30);

  --success:#2CC172;
  --alert:#E22233;

  --index-panel:#121318;
  --index-panel-2:#14161a;
  --index-ink:#0b0b0d;

  --index-radius-sm:.38rem;
  --index-radius-md:.7rem;
  --index-radius-lg:1.2rem;

  --index-shadow-1:0 10px 30px rgba(10,10,12,.55);
  --index-shadow-2:0 18px 48px rgba(10,10,12,.65);

  --index-ease:cubic-bezier(.2,.8,.2,1);
  --index-ease-soft:cubic-bezier(.22,.61,.36,1);
  --index-duration-1:.18s;
  --index-duration-2:.28s;
  --index-duration-3:.45s;
}

/* ===== Reset / base ===== */
*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
img{ max-width:100%; display:block; }
.index-body{
  background:
    radial-gradient(1200px 600px at 20% -10%, #111214, transparent 60%),
    radial-gradient(1200px 600px at 120% -10%, #0b0b0c, transparent 60%),
    var(--primary-color);
  color:var(--secondary-color);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

/* ===== Utilities ===== */
.index-secondary-70{ color:var(--secondary-color-70); }
.index-secondary-60{ color:var(--secondary-color-60); }
.index-link{ color:var(--acent-light); text-decoration:none; transition:color var(--index-duration-1) var(--index-ease); }
.index-link:hover{ text-decoration:underline; }

/* ===== Layout ===== */
.index-container{ width:100%; max-width:1140px; margin:0 auto; padding:0 1.5rem; }

/* ===== Topbar ===== */
.index-sticky{ position:sticky; top:0; z-index:50; }
.index-topbar{
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(14,14,16,.98), rgba(14,14,16,.90));
  border-bottom:1px solid var(--light-gray-20);
}
.index-nav{ display:flex; align-items:center; justify-content:space-between; height:72px; }
.index-logo{ display:flex; align-items:center; gap:.75rem; }
.index-logo-mark{
  width:40px; height:40px; border-radius:999px;
  background: radial-gradient(circle at 30% 30%, var(--acent-light), #0f172a);
  display:flex; align-items:center; justify-content:center;
  font-weight:800; letter-spacing:.03em; color:#e6f1ff;
  box-shadow:0 0 0 1px var(--light-gray-60), var(--index-shadow-1);
}
.index-logo-title{ font-weight:800; font-size:1.06rem; letter-spacing:.02em; color:var(--secondary-color); }
.index-logo-subtitle{ font-size:.76rem; color:var(--secondary-color-60); }

.index-menu{ display:flex; align-items:center; gap:1.25rem; font-size:.95rem; }
.index-menu a{
  color:var(--secondary-color-70); text-decoration:none; padding:.4rem .1rem; position:relative; transition:color var(--index-duration-1) var(--index-ease);
}
.index-menu a::after{
  content:""; position:absolute; left:0; bottom:-.2rem; width:0; height:2px; border-radius:999px;
  background: linear-gradient(90deg, var(--acent), var(--acent-80)); transition: width var(--index-duration-2) var(--index-ease);
}
.index-menu a:hover{ color:var(--secondary-color); }
.index-menu a:hover::after{ width:100%; }

.index-btn-nav{
  padding:.45rem .95rem; border-radius:999px; border:1px solid var(--light-gray-60);
  background: linear-gradient(135deg, var(--acent), var(--acent-80));
  color:var(--index-ink); font-weight:800; box-shadow:var(--index-shadow-1);
  transition: transform var(--index-duration-1) var(--index-ease), box-shadow var(--index-duration-2) var(--index-ease);
}
.index-btn-nav:hover{ transform:translateY(-1px); box-shadow:0 24px 52px rgba(0,120,242,.35); }

/* ===== Icon wrapper ===== */
.index-ico{ display:inline-flex; align-items:center; justify-content:center; }

/* ===== Buttons ===== */
.index-btn-primary,.index-btn-ghost,.index-btn-full{
  display:inline-flex; align-items:center; justify-content:center; border-radius:999px; cursor:pointer; text-decoration:none;
  font-weight:800; font-size:.95rem;
  transition:transform var(--index-duration-1) var(--index-ease), box-shadow var(--index-duration-2) var(--index-ease), background var(--index-duration-1) var(--index-ease), color var(--index-duration-1) var(--index-ease);
}
.index-btn-primary{
  padding:.72rem 1.45rem; background: linear-gradient(135deg, var(--acent), var(--acent-80)); color:var(--index-ink);
  box-shadow:0 18px 40px rgba(0,120,242,.35);
}
.index-btn-primary:hover{ transform:translateY(-1px); box-shadow:0 24px 52px rgba(0,120,242,.45); }
.index-btn-ghost{
  padding:.65rem 1.3rem; border:1px solid var(--light-gray-60); color:var(--secondary-color); background:#191b1f;
}
.index-btn-ghost:hover{ background:#21242a; transform:translateY(-1px); }
.index-btn-full{ width:100%; margin-top:.45rem; }

/* ===== Hero ===== */
.index-hero{
  padding:96px 0 64px;
  background:
    radial-gradient(circle at 0% 0%, var(--acent30), transparent 55%),
    radial-gradient(circle at 100% 0%, rgba(79,160,253,.12), transparent 55%);
}
.index-hero-grid{ display:grid; grid-template-columns:1.4fr 1.1fr; gap:2.4rem; align-items:center; }
.index-hero-tag{
  display:inline-flex; align-items:center; gap:.4rem; padding:.22rem .72rem; border-radius:999px;
  border:1px solid var(--acent60); color:var(--acent-light); background:rgba(20,24,30,.75); font-size:.78rem;
}
#index-hero-title{ font-size:clamp(2.1rem,3vw,2.8rem); line-height:1.12; margin:.8rem 0; }
#index-hero-subtitle{ max-width:36rem; }
.index-hero-actions{ display:flex; flex-wrap:wrap; gap:.8rem; margin:1.2rem 0 1.6rem; }

.index-stats-row{ display:flex; flex-wrap:wrap; gap:1rem; }
.index-stat-card{
  min-width:120px; padding:.75rem .95rem; border-radius:var(--index-radius-md);
  background:linear-gradient(140deg, #16181d, #121419);
  border:1px solid var(--light-gray-20); box-shadow:var(--index-shadow-1);
  transition: transform var(--index-duration-1) var(--index-ease), border-color var(--index-duration-1) var(--index-ease);
}
.index-stat-card:hover{ transform:translateY(-2px); border-color:var(--acent60); }
.index-stat-number{ font-size:1.42rem; font-weight:900; color:var(--acent-light); display:block; }
.index-stat-label{ font-size:.8rem; color:var(--secondary-color-60); }

.index-hero-visual{ display:grid; gap:1.2rem; }
.index-hero-image-frame{
  position:relative; border-radius:var(--index-radius-lg); overflow:hidden;
  border:1px solid var(--light-gray-50); box-shadow:var(--index-shadow-2);
  background: radial-gradient(circle at top, var(--acent30), #0a0a0c);
  transition: transform var(--index-duration-3) var(--index-ease-soft);
}
.index-hero-main-img{ width:100%; height:260px; object-fit:cover; filter:saturate(1.05); transform: scale(1.01); transition: transform var(--index-duration-3) var(--index-ease-soft); }
.index-hero-image-frame:hover .index-hero-main-img{ transform: scale(1.04); }

.index-hero-chip{
  position:absolute; right:.8rem; padding:.45rem .7rem; border-radius:var(--index-radius-md); background:#121418; border:1px solid var(--light-gray-60); max-width:220px;
  backdrop-filter:saturate(140%) blur(6px);
}
.index-hero-chip-top{ top:.8rem; }
.index-hero-chip-bottom{ bottom:.8rem; }
.index-chip-title{ font-size:.84rem; font-weight:800; color:var(--secondary-color); }
.index-chip-sub{ font-size:.74rem; color:var(--secondary-color-60); }

.index-hero-mini-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:.9rem; }
.index-mini-card{
  border-radius:var(--index-radius-md); overflow:hidden; background:#15171b; border:1px solid var(--light-gray-20); box-shadow:var(--index-shadow-1);
  font-size:.82rem; color:var(--secondary-color-60);
  transition: transform var(--index-duration-2) var(--index-ease), border-color var(--index-duration-2) var(--index-ease);
}
.index-mini-card:hover{ transform:translateY(-3px); border-color:var(--acent60); }
.index-mini-card img{ height:120px; object-fit:cover; }
.index-mini-card figcaption{ padding:.6rem .7rem; }

/* ===== Secciones ===== */
.index-section{ padding:72px 0; }
.index-section-alt{ background: linear-gradient(180deg, #101115, #0e0f13); }
.index-h2{ font-size:1.6rem; margin-bottom:.75rem; }
.index-h3{ font-size:1.02rem; }
.index-section-intro{ max-width:34rem; font-size:.96rem; color:var(--secondary-color-70); margin-bottom:1.6rem; }

/* ===== Pasos ===== */
.index-steps-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.2rem; }
.index-step-card{
  background:linear-gradient(160deg, var(--index-panel-2), var(--index-panel)); border:1px solid var(--light-gray-20);
  border-radius:var(--index-radius-lg); padding:1.2rem 1.1rem; box-shadow:var(--index-shadow-1);
  transition:transform var(--index-duration-2) var(--index-ease), border-color var(--index-duration-2) var(--index-ease);
}
.index-step-card:hover{ transform:translateY(-3px); border-color:var(--acent60); }
.index-step-icon{ font-size:1.2rem; margin-bottom:.35rem; }

/* ===== CTA strip ===== */
.index-cta-strip{ background: radial-gradient(1000px 280px at 50% 10%, rgba(63,160,253,.12), transparent 60%); border-top:1px solid var(--light-gray-20); border-bottom:1px solid var(--light-gray-20); }
.index-cta-wrap{ display:flex; align-items:center; justify-content:space-between; gap:1rem; padding:24px 0; }
.index-cta-text{ font-weight:800; letter-spacing:.02em; }
.index-cta-actions{ display:flex; gap:.7rem; }

/* ===== Servicios ===== */
.index-service-filters{ display:flex; flex-wrap:wrap; gap:.5rem; margin-bottom:1.4rem; }
.index-chip{
  border-radius:999px; border:1px solid var(--light-gray-60); background:#16181c; padding:.35rem .9rem; font-size:.82rem; color:var(--secondary-color-70);
  cursor:pointer; transition:transform var(--index-duration-1) var(--index-ease), background var(--index-duration-1) var(--index-ease), color var(--index-duration-1) var(--index-ease), border-color var(--index-duration-1) var(--index-ease);
}
.index-chip:hover{ transform:translateY(-1px); }
.index-is-active{ background:linear-gradient(135deg, var(--acent), var(--acent-80)); color:var(--index-ink); border-color:transparent; }
.index-service-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1.2rem; }
.index-service-card{
  background: linear-gradient(160deg, var(--index-panel-2), var(--index-panel));
  border:1px solid var(--light-gray-20); border-radius:var(--index-radius-lg); box-shadow:var(--index-shadow-1); padding:1.2rem 1.1rem;
  display:flex; flex-direction:column; gap:.45rem; position:relative; overflow:hidden;
  transition:transform var(--index-duration-2) var(--index-ease), box-shadow var(--index-duration-2) var(--index-ease), border-color var(--index-duration-2) var(--index-ease);
}
.index-service-card::after{
  content:""; position:absolute; inset:auto -30% 0 -30%; height:50%; background: radial-gradient(60% 90% at 50% 100%, rgba(63,160,253,.18), transparent 60%);
  transform:translateY(40%); transition: transform var(--index-duration-3) var(--index-ease-soft), opacity var(--index-duration-3) var(--index-ease-soft); opacity:.0;
}
.index-service-card:hover{ transform:translateY(-4px); border-color:var(--acent60); box-shadow:0 22px 55px rgba(0,0,0,.55); }
.index-service-card:hover::after{ transform:translateY(0%); opacity:1; }
.index-service-card.index-is-hidden{ display:none; }
.index-service-icon{ font-size:1.2rem; color:var(--secondary-color-90); }
.index-ul{ list-style:none; color:var(--secondary-color-60); display:grid; gap:.2rem; }
.index-ul li::before{ content:"• "; color:var(--acent-light); }

/* ===== Métricas (grafiquita) ===== */
.index-metrics-wrap{ display:grid; grid-template-columns:1.2fr .8fr; gap:1.4rem; align-items:center; }
.index-microchart{ background:#121318; border:1px solid var(--light-gray-20); border-radius:var(--index-radius-lg); padding:1rem; box-shadow:var(--index-shadow-1); }
.index-chart-svg{ width:100%; height:auto; display:block; }
.index-axis{ stroke:rgba(255,255,255,.25); stroke-width:1; }
.index-bar{ fill:url(#index-bar-gradient); }
.index-microchart svg{ background:linear-gradient(180deg, rgba(20,22,26,.5), rgba(20,22,26,.1)); border-radius:12px; }
.index-chart-label{ fill:rgba(255,255,255,.65); font-size:10px; text-anchor:middle; }
.index-metrics-legend{ list-style:none; display:grid; gap:.3rem; }
.index-legend-dot{ display:inline-block; width:10px; height:10px; border-radius:999px; background:linear-gradient(135deg, var(--acent), var(--acent-80)); margin-right:.35rem; }

/* ===== Galería ===== */
.index-gallery-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.2rem; }
.index-gallery-item{ border-radius:var(--index-radius-md); overflow:hidden; border:1px solid var(--light-gray-20); background:#14161a; box-shadow:var(--index-shadow-1); font-size:.86rem; color:var(--secondary-color-60); transition:transform var(--index-duration-2) var(--index-ease), border-color var(--index-duration-2) var(--index-ease); }
.index-gallery-item:hover{ transform:translateY(-4px); border-color:var(--acent60); }
.index-gallery-item img{ height:190px; object-fit:cover; }
.index-gallery-item figcaption{ padding:.8rem .9rem; }

/* ===== Opiniones ===== */
.index-testimonial-shell{ position:relative; max-width:640px; margin:0 auto 1.4rem; }
.index-testimonial{ opacity:0; transform:translateY(10px); transition:opacity var(--index-duration-2) var(--index-ease), transform var(--index-duration-2) var(--index-ease); position:absolute; inset:0; }
.index-testimonial.index-is-active{ opacity:1; transform:translateY(0); position:relative; }
.index-testimonial-text{ background:var(--index-panel-2); border:1px solid var(--light-gray-20); border-radius:var(--index-radius-md); padding:1.2rem 1.3rem; }
.index-testimonial-author{ margin-top:.6rem; font-size:.85rem; color:var(--secondary-color-60); }
.index-testimonial-dots{ display:flex; justify-content:center; gap:.4rem; }
.index-dot{ width:9px; height:9px; border-radius:999px; border:none; cursor:pointer; background:rgba(255,255,255,.25); transition:transform var(--index-duration-1) var(--index-ease), background var(--index-duration-1) var(--index-ease), width var(--index-duration-1) var(--index-ease); }
.index-dot.index-is-active{ width:20px; background:linear-gradient(135deg, var(--acent), var(--acent-80)); transform:translateY(-1px); }

/* ===== FAQ ===== */
.index-faq-list{ max-width:700px; margin-top:1rem; }
.index-faq-item{ border-bottom:1px solid var(--light-gray-20); }
.index-faq-question{ width:100%; padding:.8rem 0; background:transparent; border:none; text-align:left; font-size:.95rem; display:flex; align-items:center; justify-content:space-between; cursor:pointer; color:var(--secondary-color); }
.index-faq-icon{ font-size:1rem; color:var(--secondary-color-60); margin-left:.5rem; }
.index-faq-answer{ max-height:0; overflow:hidden; transition:max-height var(--index-duration-2) var(--index-ease); }
.index-faq-answer p{ padding-bottom:.8rem; color:var(--secondary-color-70); }

/* ===== Contacto ===== */
.index-contact-grid{ display:grid; grid-template-columns:1.1fr 1.1fr; gap:2rem; align-items:flex-start; }
.index-contact-list{ list-style:none; margin-top:1rem; display:grid; gap:.35rem; font-size:.92rem; color:var(--secondary-color-70); }
.index-contact-list strong{ color:var(--secondary-color); }
.index-map-placeholder{ margin-top:1.2rem; border-radius:var(--index-radius-md); border:1px dashed var(--light-gray-50); padding:1rem 1.1rem; font-size:.86rem; color:var(--secondary-color-60); background:#16181c; }

.index-contact-form{ background:linear-gradient(165deg, #15171b, #121317); border:1px solid var(--light-gray-20); border-radius:var(--index-radius-md); padding:1.2rem 1.2rem; box-shadow:var(--index-shadow-1); }
.index-form-row{ display:grid; grid-template-columns:1fr 1fr; gap:.9rem; }
.index-form-group{ display:flex; flex-direction:column; gap:.3rem; margin-bottom:.8rem; }
.index-form-group label{ font-size:.82rem; color:var(--secondary-color-60); }
.index-input-icon{ position:relative; display:flex; align-items:center; }
.index-input-icon > i{ position:absolute; left:.65rem; color:var(--secondary-color-40); font-size:.95rem; }
.index-input-icon input, .index-input-icon select, .index-input-icon textarea{ padding-left:2rem; }

.index-contact-form input, .index-contact-form select, .index-contact-form textarea{
  border-radius:.7rem; border:1px solid var(--light-gray-60); background:#16181c; color:var(--secondary-color);
  padding:.55rem .7rem; font-size:.93rem; outline:none;
  transition:border-color var(--index-duration-1) var(--index-ease), box-shadow var(--index-duration-1) var(--index-ease), background var(--index-duration-1) var(--index-ease);
}
.index-contact-form input::placeholder, .index-contact-form textarea::placeholder{ color:var(--secondary-color-40); }
.index-contact-form textarea{ resize:vertical; min-height:110px; }
.index-contact-form input:focus, .index-contact-form select:focus, .index-contact-form textarea:focus{
  border-color:var(--acent-80); box-shadow:0 0 0 1px var(--acent60); background:#191c21;
}
.index-form-note{ margin-top:.45rem; font-size:.8rem; color:var(--secondary-color-60); }
.index-form-status{ margin-top:.6rem; font-size:.9rem; }
.index-form-status.index-is-ok{ color:var(--success); }
.index-form-status.index-is-error{ color:var(--alert); }

/* ===== Footer / ScrollTop / WhatsApp float ===== */
.index-footer{ padding:1.4rem 0 1.8rem; border-top:1px solid var(--light-gray-20); background:#0d0e11; }
.index-footer-content{ display:flex; flex-direction:column; gap:.2rem; font-size:.86rem; color:var(--secondary-color-60); }
.index-footer-hint{ font-size:.8rem; color:var(--secondary-color-60); }

.index-scroll-top{
  position:fixed; right:1.5rem; bottom:1.5rem; width:40px; height:40px; border-radius:999px; border:none; cursor:pointer;
  background:linear-gradient(135deg, var(--acent), var(--acent-80)); color:var(--index-ink); font-size:1.1rem;
  box-shadow:var(--index-shadow-2); opacity:0; pointer-events:none; transform:translateY(10px);
  transition:opacity var(--index-duration-1) var(--index-ease), transform var(--index-duration-1) var(--index-ease);
}
.index-scroll-top.index-is-visible{ opacity:1; pointer-events:auto; transform:translateY(0); }

.index-wa-float{
  position:fixed; right:1.5rem; bottom:5.4rem; width:48px; height:48px; border-radius:999px; display:flex; align-items:center; justify-content:center;
  background: radial-gradient(circle at 30% 30%, #25D366, #146c3a); color:#061a0e; font-size:1.3rem; text-decoration:none;
  box-shadow:var(--index-shadow-2); border:1px solid rgba(255,255,255,.15);
  animation:indexPulse 2.2s var(--index-ease-soft) infinite;
}
@keyframes indexPulse{
  0%{ transform:translateY(0) scale(1); box-shadow:0 18px 48px rgba(37,211,102,.25); }
  50%{ transform:translateY(-2px) scale(1.03); box-shadow:0 24px 56px rgba(37,211,102,.35); }
  100%{ transform:translateY(0) scale(1); box-shadow:0 18px 48px rgba(37,211,102,.25); }
}

/* ===== Reveal on scroll ===== */
.index-reveal{ opacity:0; transform: translateY(14px); transition: opacity var(--index-duration-3) var(--index-ease-soft), transform var(--index-duration-3) var(--index-ease-soft); }
.index-reveal.index-is-revealed{ opacity:1; transform:none; }

/* ===== Tilt/parallax helpers ===== */
.index-tilt{ transform: perspective(800px) rotateX(0) rotateY(0); transform-style:preserve-3d; transition: transform var(--index-duration-2) var(--index-ease-soft); }

/* ===== Responsive ===== */
@media (max-width:1024px){
  .index-hero-grid{ grid-template-columns:1fr 1fr; }
  .index-steps-grid{ grid-template-columns:repeat(3,1fr); }
  .index-service-grid{ grid-template-columns:repeat(3,1fr); }
  .index-gallery-grid{ grid-template-columns:repeat(2,1fr); }
  .index-metrics-wrap{ grid-template-columns:1fr; }
}
@media (max-width:860px){
  .index-hero-grid{ grid-template-columns:1fr; }
  .index-hero{ padding-top:88px; }
  .index-hero-visual{ order:-1; }
  .index-service-grid{ grid-template-columns:repeat(2,1fr); }
  .index-nav{ height:auto; padding:.75rem 0; flex-direction:column; align-items:flex-start; gap:.75rem; }
  .index-menu{ width:100%; justify-content:space-between; flex-wrap:wrap; }
}
@media (max-width:640px){
  .index-service-grid,.index-gallery-grid{ grid-template-columns:1fr; }
  .index-steps-grid{ grid-template-columns:1fr; }
  .index-contact-grid{ grid-template-columns:1fr; }
  .index-form-row{ grid-template-columns:1fr; }
  .index-cta-wrap{ flex-direction:column; align-items:flex-start; }
}

/* Respeta usuarios con reduce-motion */
@media (prefers-reduced-motion: reduce){
  .index-reveal, .index-tilt, .index-hero-image-frame, .index-mini-card, .index-service-card, .index-gallery-item { transition:none !important; }
  .index-wa-float{ animation:none !important; }
}