:root{
  --navy:#0B1F3F;
  --navy-2:#132C52;
  --red:#E31E24;
  --red-dark:#B3161B;
  --blue:#2F6FED;
  --ink:#10233F;
  --muted:#5C6B80;
  --bg:#F5F7FA;
  --white:#fff;
  --border:#E4E8EF;
  --font-head:'Poppins',-apple-system,sans-serif;
  --font-body:'Inter',-apple-system,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0; font-family:var(--font-body); color:var(--ink); background:var(--white);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
h1,h2,h3,h4{font-family:var(--font-head); margin:0; line-height:1.15;}
p{margin:0;}
.container{max-width:1180px; margin:0 auto; padding:0 24px;}
svg{width:22px; height:22px;}

.preview-banner{
  background:#FEF3C7; color:#92400E; text-align:center; font-size:.82rem;
  font-weight:600; padding:8px 14px;
}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:14px 26px; border-radius:10px; font-weight:700; font-size:.95rem;
  cursor:pointer; border:2px solid transparent; transition:transform .15s ease, box-shadow .15s ease;
}
.btn:hover{transform:translateY(-1px);}
.btn-primary{background:var(--red); color:#fff; box-shadow:0 8px 20px rgba(227,30,36,.28);}
.btn-primary:hover{background:var(--red-dark);}
.btn-ghost{background:transparent; border-color:rgba(255,255,255,.4); color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.1);}
.btn-block{width:100%;}

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:50; background:var(--navy);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.site-header .container{display:flex; align-items:center; justify-content:space-between; padding-top:10px; padding-bottom:10px; gap:20px; position:relative;}
.brand{background:#fff; padding:8px 16px; border-radius:10px; display:flex; align-items:center;}
.brand img{height:42px; width:auto;}
.nav-links{display:flex; gap:26px;}
.nav-links a{color:#CBD5E5; font-weight:600; font-size:.92rem;}
.nav-links a:hover{color:#fff;}
.header-cta{display:flex; align-items:center; gap:14px;}
.header-phone{
  display:flex; align-items:center; gap:7px; color:#fff; font-weight:700; font-size:.88rem;
  background:rgba(227,30,36,.16); border:1px solid rgba(227,30,36,.5);
  padding:8px 16px; border-radius:999px; transition:background .15s ease;
}
.header-phone:hover{ background:rgba(227,30,36,.32); }
.header-phone svg{width:16px;height:16px;color:var(--red);}
.lang-switch{display:flex; align-items:center; border:1px solid rgba(255,255,255,.28); border-radius:999px; padding:3px; gap:2px;}
.lang-switch button{background:transparent; border:0; color:#B9C6D2; font-size:.7rem; font-weight:700; letter-spacing:.04em; padding:5px 11px; border-radius:999px; cursor:pointer;}
.lang-switch button.is-active{background:var(--red); color:#fff;}
.nav-toggle{display:none; background:transparent; border:1px solid rgba(255,255,255,.3); color:#fff; border-radius:8px; padding:8px; cursor:pointer;}

/* ---------- Hero ---------- */
.hero{position:relative; overflow:hidden; background:var(--navy); padding:64px 0 70px; color:#fff;}
.hero-photo{
  position:absolute; inset:0; z-index:0;
  width:100%; height:100%;
  object-fit:contain;
}
.hero-bg{
  position:absolute; inset:0; z-index:1;
  background:
    radial-gradient(circle at 15% 20%, rgba(47,111,237,.35), transparent 45%),
    radial-gradient(circle at 85% 75%, rgba(227,30,36,.30), transparent 45%),
    linear-gradient(160deg, rgba(11,31,63,.82) 0%, rgba(19,44,82,.90) 100%);
  transition:background 0.6s ease;
}
.hero-bg.mode-heat{
  background:
    radial-gradient(circle at 15% 20%, rgba(227,30,36,.38), transparent 45%),
    radial-gradient(circle at 85% 75%, rgba(255,140,60,.28), transparent 45%),
    linear-gradient(160deg, rgba(11,31,63,.82) 0%, rgba(19,44,82,.90) 100%);
}
.hero-grid{
  position:absolute; inset:0; z-index:2; opacity:.08;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.5) 1px, transparent 1px);
  background-size:42px 42px;
}
.hero-inner{position:relative; z-index:3; display:grid; grid-template-columns:1.1fr .9fr; gap:50px; align-items:center;}
.eyebrow{
  font-family:var(--font-head); text-transform:uppercase; letter-spacing:.08em; font-size:.78rem;
  font-weight:700; color:var(--red); margin-bottom:14px; display:flex; align-items:center; gap:8px;
}
.eyebrow::before{content:''; width:22px; height:2px; background:var(--red); display:inline-block;}
.hero h1{font-size:2.9rem; font-weight:800; margin-bottom:18px;}
.hero h1 em{font-style:normal; color:var(--blue);}
.hero-bg.mode-heat ~ .hero-inner h1 em{color:#FF8C3C;}
.hero p{color:#C7D2E3; font-size:1.05rem; margin-bottom:26px; max-width:520px;}

.mode-toggle{display:inline-flex; background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.18); border-radius:999px; padding:5px; margin-bottom:26px; gap:4px;}
.mode-btn{
  display:flex; align-items:center; gap:8px; background:transparent; border:0; color:#C7D2E3;
  font-family:var(--font-head); font-weight:700; font-size:.85rem; padding:10px 18px; border-radius:999px; cursor:pointer;
}
.mode-btn svg{width:17px;height:17px;}
.mode-btn.is-active[data-mode="cool"]{background:var(--blue); color:#fff;}
.mode-btn.is-active[data-mode="heat"]{background:var(--red); color:#fff;}
.hero-cta{display:flex; gap:14px; flex-wrap:wrap;}

/* ---------- Panel de estadísticas (elemento interactivo) ---------- */
.stat-panel{
  background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.16);
  border-radius:18px; padding:26px; backdrop-filter:blur(6px);
}
.stat-panel-label{font-family:var(--font-head); font-weight:700; font-size:.82rem; text-transform:uppercase; letter-spacing:.05em; color:#9FB0C7; margin-bottom:18px;}
.stat-row{display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-bottom:16px;}
.stat-row:last-child{margin-bottom:0;}
.hero-call-note{
  margin-top:16px; padding-top:14px; border-top:1px solid rgba(255,255,255,.12);
  font-size:.8rem; color:#B9C6D2; text-align:center; line-height:1.5;
}
.stat{background:rgba(255,255,255,.05); border-radius:12px; padding:16px;}
.stat.wide{grid-column:1/-1; display:flex; align-items:center;}
.stat-num{display:block; font-family:var(--font-head); font-size:2rem; font-weight:800; color:#fff;}
.stat-desc{display:block; font-size:.78rem; color:#B9C6D2; margin-top:4px; line-height:1.3;}
.stat-desc-lg{font-family:var(--font-head); font-weight:700; font-size:1.05rem; color:#fff; line-height:1.35;}

/* ---------- Secciones ---------- */
.section{padding:84px 0;}
.section--dark{background:var(--navy); color:#fff;}
.section--alt{background:var(--bg);}
.section-head{max-width:640px; margin:0 auto 48px; text-align:center;}
.section-head .eyebrow{justify-content:center;}
.section-head h2{font-size:2.1rem; margin-bottom:14px;}
.section-head p{color:var(--muted); font-size:1.02rem;}
.section--dark .section-head p{color:#B9C6D2;}

/* ---------- Servicios ---------- */
.services-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:24px;}
.service-card{
  background:#fff; border:1px solid var(--border); border-radius:16px; padding:30px 26px;
  transition:transform .18s ease, box-shadow .18s ease;
}
.service-card:hover{transform:translateY(-4px); box-shadow:0 16px 34px rgba(11,31,63,.10);}
.service-icon{
  width:52px; height:52px; border-radius:12px; background:linear-gradient(135deg, var(--navy), var(--blue));
  display:flex; align-items:center; justify-content:center; margin-bottom:18px; color:#fff;
}
.service-card h3{font-size:1.12rem; margin-bottom:8px;}
.service-card p{color:var(--muted); font-size:.92rem; line-height:1.55;}

/* ---------- Cobertura ---------- */
.coverage-grid{display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center;}
.coverage-badge{
  display:inline-flex; align-items:center; gap:8px; background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.2); padding:8px 14px; border-radius:999px; font-size:.82rem; font-weight:600; margin:16px 0;
}
.coverage-grid h2{font-size:2rem; margin-bottom:6px;}
.coverage-grid p{color:#C7D2E3; margin-bottom:6px;}
.coverage-list{list-style:none; margin:20px 0 8px; padding:0; display:grid; grid-template-columns:1fr 1fr; gap:10px 20px;}
.coverage-list li{display:flex; align-items:center; gap:8px; font-weight:600; font-size:.92rem;}
.coverage-list svg{width:16px;height:16px; color:var(--blue); flex-shrink:0;}
.placeholder-note{font-size:.78rem; color:#FDBA74; margin:14px 0 20px; font-style:italic;}
.placeholder-note-sm{font-size:.72rem; color:#C2410C; font-style:italic; margin-top:2px;}
.map-frame{border-radius:18px; overflow:hidden; border:1px solid rgba(255,255,255,.15); height:400px;}
.map-frame iframe{width:100%; height:100%; border:0;}

/* ---------- Por qué nosotros ---------- */
.trust-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:24px;}
.trust-card{text-align:center; padding:32px 20px;}
.trust-card svg{width:34px; height:34px; color:var(--red); margin-bottom:14px;}
.trust-card h3{font-size:1.05rem; margin-bottom:8px;}
.trust-card p{color:var(--muted); font-size:.9rem; line-height:1.5;}

/* ---------- Contacto ---------- */
.contact-grid{display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:start;}
.contact-grid h2{font-size:2rem; margin-bottom:10px;}
.contact-grid > div:first-child p{color:var(--muted); margin-bottom:24px;}
.contact-info-list{display:flex; flex-direction:column; gap:18px;}
.contact-info-item{display:flex; gap:14px; align-items:flex-start;}
.contact-info-icon{
  width:42px; height:42px; border-radius:10px; background:#fff; border:1px solid var(--border);
  display:flex; align-items:center; justify-content:center; flex-shrink:0; color:var(--red);
}
.contact-info-icon svg{width:19px; height:19px;}
.contact-info-item h4{font-size:.85rem; margin-bottom:2px;}
.contact-info-item a, .contact-info-item p{color:var(--muted); font-size:.92rem;}

.contact-card{background:#fff; border-radius:18px; padding:30px; border:1px solid var(--border); box-shadow:0 20px 50px rgba(11,31,63,.06);}
.form-row{display:grid; grid-template-columns:1fr 1fr; gap:14px;}
.field{margin-bottom:16px;}
label{display:block; font-size:.82rem; font-weight:700; margin-bottom:6px;}
input, select, textarea{
  width:100%; padding:11px 13px; border:1px solid var(--border); border-radius:9px; font-family:inherit; font-size:.92rem; background:#fbfcfd;
}
textarea{min-height:90px; resize:vertical;}
.form-note{font-size:.76rem; color:var(--muted); text-align:center; margin-top:10px;}
.form-status{margin-top:12px; font-size:.88rem; text-align:center;}
.form-status.is-ok{color:#166534;}
.form-status.is-err{color:#B91C1C;}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy); color:#B9C6D2; padding:56px 0 24px;}
.footer-top{display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; padding-bottom:30px; border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand{background:#fff; display:inline-flex; padding:8px 16px; border-radius:10px; margin-bottom:14px;}
.footer-brand img{height:34px;}
.footer-top p{font-size:.88rem; line-height:1.5;}
.footer-col h5{color:#fff; font-size:.85rem; margin-bottom:14px;}
.footer-col ul{list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:10px;}
.footer-col a{font-size:.88rem; color:#B9C6D2;}
.footer-col a:hover{color:#fff;}
.footer-bottom{padding-top:20px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px; font-size:.8rem;}

/* ---------- Float call ---------- */
.float-call{
  position:fixed; bottom:22px; right:22px; width:56px; height:56px; border-radius:50%;
  background:var(--red); color:#fff; display:flex; align-items:center; justify-content:center;
  box-shadow:0 10px 26px rgba(227,30,36,.4); z-index:60;
}
.float-call svg{width:24px;height:24px; position:relative; z-index:1;}
.float-call::before{
  content:''; position:absolute; inset:0; border-radius:50%;
  box-shadow:0 0 0 0 rgba(227,30,36,.55);
  animation:call-pulse 2.4s ease-out infinite;
}
@keyframes call-pulse{
  0%{ box-shadow:0 0 0 0 rgba(227,30,36,.55); }
  70%{ box-shadow:0 0 0 16px rgba(227,30,36,0); }
  100%{ box-shadow:0 0 0 0 rgba(227,30,36,0); }
}
@media (prefers-reduced-motion: reduce){
  .float-call::before{ animation:none; }
}

/* ---------- Reveal ---------- */
.reveal{opacity:0; transform:translateY(16px); transition:opacity .5s ease, transform .5s ease;}
.reveal.is-visible{opacity:1; transform:none;}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .nav-links{display:none;}
  .nav-links.is-open{
    display:flex; flex-direction:column; position:absolute; top:100%; left:0; right:0;
    background:var(--navy); padding:16px 24px 24px; gap:4px; border-bottom:1px solid rgba(255,255,255,.1);
  }
  .nav-links.is-open a{padding:12px 4px; border-bottom:1px solid rgba(255,255,255,.08);}
  .site-header{position:sticky;}
  .nav-toggle{display:flex;}
  .hero-inner{grid-template-columns:1fr;}
  .services-grid{grid-template-columns:1fr 1fr;}
  .coverage-grid, .contact-grid{grid-template-columns:1fr; gap:36px;}
  .trust-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;}
}
@media (max-width:600px){
  .hero h1{font-size:2.1rem;}
  .services-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .stat-row{grid-template-columns:1fr;}
  .coverage-list{grid-template-columns:1fr;}
}

/* ---------- Galería ---------- */
.gallery-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
}
@media (max-width:900px){ .gallery-grid{ grid-template-columns:repeat(2,1fr);} }
@media (max-width:560px){ .gallery-grid{ grid-template-columns:1fr; } }

.gallery-item{
  position:relative;
  border-radius:14px;
  overflow:hidden;
  aspect-ratio:4/3;
  cursor:zoom-in;
  background:var(--border);
}
.gallery-item img{
  width:100%; height:100%; object-fit:cover;
  transition:transform .4s ease;
}
.gallery-item:hover img{ transform:scale(1.06); }
.gallery-item .cap{
  position:absolute; inset:auto 0 0 0;
  padding:14px 16px 12px;
  background:linear-gradient(0deg, rgba(11,31,63,.85), transparent);
  color:#fff;
  font-size:.82rem;
  opacity:0;
  transform:translateY(6px);
  transition:opacity .2s ease, transform .2s ease;
}
.gallery-item:hover .cap{ opacity:1; transform:translateY(0); }

.gallery-empty{
  grid-column:1/-1;
  text-align:center;
  padding:48px 20px;
  color:var(--muted);
  font-size:.9rem;
  border:1px dashed var(--border);
  border-radius:14px;
}

/* lightbox */
.lightbox{
  position:fixed; inset:0; z-index:200;
  background:rgba(11,31,63,.92);
  display:flex; align-items:center; justify-content:center;
  padding:32px;
  opacity:0; pointer-events:none;
  transition:opacity .2s ease;
}
.lightbox.is-open{ opacity:1; pointer-events:auto; }
.lightbox img{ max-width:min(920px,92vw); max-height:82vh; border-radius:12px; box-shadow:0 24px 60px rgba(0,0,0,.4); }
.lightbox-cap{ color:#DCE6EE; font-size:.85rem; margin-top:14px; text-align:center; }
.lightbox-close{
  position:absolute; top:22px; right:26px;
  width:44px; height:44px; border-radius:50%;
  background:rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.3);
  color:#fff; font-size:1.4rem; cursor:pointer; line-height:1;
}