/* ===========================================================
   FACILTEC — Hoja de estilos de marca
   Paleta: Navy #0E2A47 · Acero #2E6F9E · Niebla #F4F6F8 · Gris #6B7280
   Tipografía: Poppins (Google Fonts)
   =========================================================== */

:root{
  --navy:#0E2A47;
  --navy-700:#13345a;
  --acero:#2E6F9E;
  --acero-600:#27628c;
  --niebla:#F4F6F8;
  --gris:#6B7280;
  --gris-200:#e5e8ec;
  --blanco:#ffffff;
  --wa:#25D366;
  --shadow-sm:0 2px 10px rgba(14,42,71,.07);
  --shadow-md:0 12px 36px rgba(14,42,71,.12);
  --shadow-lg:0 24px 60px rgba(14,42,71,.18);
  --radius:14px;
  --radius-lg:22px;
  --maxw:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Poppins','Arial',sans-serif;
  color:var(--navy);
  background:var(--blanco);
  line-height:1.6;
  font-weight:300;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-weight:600;line-height:1.15;margin:0 0 .5em;color:var(--navy)}
h1{font-size:clamp(2.1rem,5vw,3.5rem);letter-spacing:-.02em}
h2{font-size:clamp(1.7rem,3.4vw,2.5rem);letter-spacing:-.01em}
h3{font-size:1.3rem;font-weight:500}
p{margin:0 0 1rem}
a{color:var(--acero);text-decoration:none;transition:color .2s}
a:hover{color:var(--acero-600)}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.muted{color:var(--gris)}

/* Etiqueta superior (eyebrow) */
.eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;
  font-size:.78rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  color:var(--acero);margin-bottom:1rem;
}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--acero);display:inline-block}
.eyebrow.light{color:#8fb6d6}
.eyebrow.light::before{background:#8fb6d6}

/* ===== Botones ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  font-family:inherit;font-weight:500;font-size:1rem;
  padding:.85rem 1.6rem;border-radius:999px;border:1.5px solid transparent;
  cursor:pointer;transition:all .25s var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--acero);color:#fff}
.btn-primary:hover{background:var(--acero-600);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-700);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-ghost{background:transparent;color:var(--navy);border-color:var(--gris-200)}
.btn-ghost:hover{border-color:var(--acero);color:var(--acero)}
.btn-ghost.light{color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost.light:hover{border-color:#fff;background:rgba(255,255,255,.08);color:#fff}
.btn-wa{background:var(--wa);color:#fff}
.btn-wa:hover{background:#1eb858;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-lg{padding:1.05rem 2rem;font-size:1.05rem}

/* ===== Header / Nav ===== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.9);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--gris-200);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.nav-logo img{height:40px;width:auto}
.nav-links{display:flex;align-items:center;gap:2rem;list-style:none;margin:0;padding:0}
.nav-links a{color:var(--navy);font-size:.97rem;font-weight:400;position:relative}
.nav-links a:hover{color:var(--acero)}
.nav-links a.active{color:var(--acero);font-weight:500}
.nav-links a.active::after{content:"";position:absolute;left:0;bottom:-6px;width:100%;height:2px;background:var(--acero)}
.nav-cta{display:flex;align-items:center;gap:.8rem}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:6px}
.nav-toggle span{display:block;width:26px;height:2px;background:var(--navy);margin:5px 0;transition:.3s}

/* ===== Hero ===== */
.hero{position:relative;color:#fff;overflow:hidden;display:flex;align-items:center;min-height:88vh}
.hero.hero-inner{min-height:62vh}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(14,42,71,.92) 0%,rgba(14,42,71,.78) 42%,rgba(14,42,71,.35) 100%);}
.hero-content{position:relative;z-index:2;padding:5rem 0;max-width:720px}
.hero h1{color:#fff;margin-bottom:1.1rem}
.hero p.lead{font-size:1.2rem;font-weight:300;color:rgba(255,255,255,.9);margin-bottom:2rem;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:1rem}
.hero-badges{display:flex;flex-wrap:wrap;gap:1.5rem;margin-top:2.6rem}
.hero-badge{display:flex;align-items:center;gap:.6rem;font-size:.92rem;color:rgba(255,255,255,.92)}
.hero-badge svg{width:22px;height:22px;flex:none;color:#8fb6d6}

/* ===== Secciones ===== */
section{padding:5.5rem 0}
.section-head{max-width:680px;margin-bottom:3rem}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.bg-niebla{background:var(--niebla)}
.bg-navy{background:var(--navy);color:#fff}
.bg-navy h1,.bg-navy h2,.bg-navy h3{color:#fff}
.bg-navy .muted{color:rgba(255,255,255,.7)}

/* ===== Pilares (dos columnas) ===== */
.pillars{display:grid;grid-template-columns:1fr 1fr;gap:2rem}
.pillar{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;min-height:440px;
  display:flex;align-items:flex-end;color:#fff;box-shadow:var(--shadow-md);
}
.pillar img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.pillar:hover img{transform:scale(1.06)}
.pillar::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,42,71,.05) 30%,rgba(14,42,71,.92) 100%)}
.pillar-body{position:relative;z-index:2;padding:2.2rem}
.pillar-body h3{color:#fff;font-size:1.6rem;font-weight:600;margin-bottom:.4rem}
.pillar-body p{color:rgba(255,255,255,.88);font-size:.98rem;margin-bottom:1.2rem}
.pillar-tag{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:#8fb6d6;font-weight:600}

/* ===== Grid de servicios / cards ===== */
.grid{display:grid;gap:1.6rem}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:#fff;border:1px solid var(--gris-200);border-radius:var(--radius);
  padding:2rem 1.8rem;transition:all .3s var(--ease);
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:transparent}
.card .ic{
  width:54px;height:54px;border-radius:12px;background:rgba(46,111,158,.1);
  display:flex;align-items:center;justify-content:center;margin-bottom:1.2rem;color:var(--acero)
}
.card .ic svg{width:28px;height:28px}
.card h3{font-size:1.15rem;font-weight:600;margin-bottom:.5rem}
.card p{font-size:.95rem;color:var(--gris);margin:0}

/* Card con foto */
.card-photo{
  background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--gris-200);
  transition:all .3s var(--ease);display:flex;flex-direction:column;
}
.card-photo:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.card-photo .ph{aspect-ratio:4/3;overflow:hidden}
.card-photo .ph img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.card-photo:hover .ph img{transform:scale(1.07)}
.card-photo .bd{padding:1.5rem 1.5rem 1.7rem}
.card-photo h3{font-size:1.15rem;margin-bottom:.4rem}
.card-photo p{font-size:.94rem;color:var(--gris);margin:0}

/* ===== Feature split (texto + imagen) ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:center}
.split.reverse .split-media{order:2}
.split-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.feature-list{list-style:none;padding:0;margin:1.5rem 0 2rem}
.feature-list li{display:flex;gap:.85rem;align-items:flex-start;margin-bottom:1rem}
.feature-list li svg{width:24px;height:24px;flex:none;color:var(--acero);margin-top:2px}
.feature-list li b{display:block;color:var(--navy);font-weight:500}
.feature-list li span{color:var(--gris);font-size:.94rem}

/* ===== Métricas ===== */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;text-align:center}
.stat .num{font-size:clamp(2.2rem,4vw,3rem);font-weight:600;color:#fff;line-height:1}
.stat .lbl{font-size:.9rem;color:rgba(255,255,255,.75);margin-top:.5rem}
.bg-niebla .stat .num{color:var(--navy)}
.bg-niebla .stat .lbl{color:var(--gris)}

/* ===== Galería ===== */
.gallery{columns:3;column-gap:1.1rem}
.gallery img{width:100%;margin-bottom:1.1rem;border-radius:10px;break-inside:avoid;
  box-shadow:var(--shadow-sm);transition:transform .4s var(--ease),box-shadow .4s}
.gallery img:hover{transform:scale(1.02);box-shadow:var(--shadow-md)}

/* ===== Proceso (pasos) ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1.6rem;counter-reset:s}
.step{position:relative;padding-top:1rem}
.step .n{font-size:2.2rem;font-weight:600;color:var(--acero);opacity:.35;line-height:1}
.step h3{font-size:1.1rem;margin:.4rem 0 .4rem}
.step p{font-size:.92rem;color:var(--gris);margin:0}

/* ===== Zona de cobertura ===== */
.coverage{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.4rem}
.chip{background:#fff;border:1px solid var(--gris-200);border-radius:999px;
  padding:.45rem 1.1rem;font-size:.9rem;color:var(--navy)}
.bg-navy .chip{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18);color:#fff}

/* ===== CTA band ===== */
.cta-band{position:relative;overflow:hidden;text-align:center;color:#fff}
.cta-band .container{position:relative;z-index:2}
.cta-band h2{color:#fff;max-width:680px;margin:0 auto .8rem}
.cta-band p{color:rgba(255,255,255,.85);max-width:560px;margin:0 auto 2rem}
.cta-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}

/* ===== Formulario ===== */
.form-wrap{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);
  padding:2.5rem;border:1px solid var(--gris-200)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.field{display:flex;flex-direction:column;gap:.4rem}
.field.full{grid-column:1/-1}
.field label{font-size:.85rem;font-weight:500;color:var(--navy)}
.field label .req{color:var(--acero)}
.field input,.field select,.field textarea{
  font-family:inherit;font-size:.97rem;padding:.8rem .95rem;border:1.5px solid var(--gris-200);
  border-radius:10px;background:var(--niebla);color:var(--navy);transition:border-color .2s,background .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--acero);background:#fff}
.field textarea{resize:vertical;min-height:110px}
.form-note{font-size:.82rem;color:var(--gris);margin-top:1rem}
.contact-list{list-style:none;padding:0;margin:1.6rem 0 0}
.contact-list li{display:flex;gap:.9rem;align-items:flex-start;margin-bottom:1.2rem}
.contact-list svg{width:22px;height:22px;color:var(--acero);flex:none;margin-top:3px}
.contact-list b{display:block;font-weight:500}
.contact-list span{color:var(--gris);font-size:.93rem}
mark.todo{background:#fff3cd;color:#7a5b00;padding:0 .3em;border-radius:4px;font-style:normal;font-weight:500}

/* ===== Footer ===== */
.site-footer{background:var(--navy);color:rgba(255,255,255,.75);padding:4rem 0 2rem;font-size:.93rem}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:2.5rem;margin-bottom:2.5rem}
.site-footer img.flogo{height:42px;margin-bottom:1.1rem}
.site-footer h4{color:#fff;font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:1.1rem;font-weight:600}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:.6rem}
.site-footer a{color:rgba(255,255,255,.75)}
.site-footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:1.6rem;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:.6rem;font-size:.85rem;color:rgba(255,255,255,.55)}

/* ===== WhatsApp flotante ===== */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:60;
  width:60px;height:60px;border-radius:50%;background:var(--wa);
  display:flex;align-items:center;justify-content:center;color:#fff;
  box-shadow:0 8px 24px rgba(37,211,102,.45);transition:transform .25s var(--ease)}
.wa-float:hover{transform:scale(1.08);color:#fff}
.wa-float svg{width:32px;height:32px}

/* ===== Animación al hacer scroll ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ===== Responsive ===== */
@media(max-width:900px){
  .nav-links{position:fixed;inset:74px 0 auto 0;background:#fff;flex-direction:column;
    align-items:flex-start;gap:0;padding:1rem 24px 1.6rem;border-bottom:1px solid var(--gris-200);
    box-shadow:var(--shadow-md);transform:translateY(-130%);transition:transform .35s var(--ease)}
  .nav-links.open{transform:none}
  .nav-links li{width:100%}
  .nav-links a{display:block;padding:.85rem 0;width:100%;border-bottom:1px solid var(--niebla)}
  .nav-links a.active::after{display:none}
  .nav-toggle{display:block}
  .nav-cta .btn-ghost{display:none}
  .pillars,.split,.grid-3,.grid-4,.form-grid{grid-template-columns:1fr}
  .split.reverse .split-media{order:0}
  .stats{grid-template-columns:1fr 1fr;gap:2rem}
  .steps{grid-template-columns:1fr 1fr}
  .gallery{columns:2}
  .footer-grid{grid-template-columns:1fr 1fr}
  section{padding:4rem 0}
  .hero{min-height:80vh}
}
@media(max-width:560px){
  .grid-2{grid-template-columns:1fr}
  .gallery{columns:1}
  .footer-grid{grid-template-columns:1fr}
  .hero-actions .btn,.cta-actions .btn{width:100%}
  .form-wrap{padding:1.6rem}
}