/* ============================================================
   LimpiezaDuctosPuebla — master.css
   Es el <style> que traían las páginas, tal cual. Al final va un
   bloque corto con los ajustes de este paso.
   ============================================================ */
/* ── RESET & TOKENS ──────────────────────────────────────────── */
*{box-sizing:border-box;margin:0;padding:0}
:root{
  --navy:#0d2137;--blue:#1a3a5c;--mid:#1a5276;
  --accent:#e8a020;--accentd:#c47c10;
  --teal:#09a2b9;--teald:#128299;
  --light:#eaf0f7;--wa:#25d366;--wad:#1da851;
  --gray:#f0f4f8;--text:#222;--muted:#4a5568;
  --border:#c8d8e8;--r:10px;
  --h1accent:#20dce8;
}
html{scroll-behavior:smooth}
body{
  touch-action:manipulation;-webkit-tap-highlight-color:transparent;
  font-family:'Nunito Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  font-size:17px;line-height:1.75;color:var(--text);background:#fff;overflow-x:hidden;
}
a{color:var(--mid);text-decoration:underline}
a:hover{color:var(--navy)}
a:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
h1,h2,h3{font-family:'Exo 2',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;letter-spacing:.01em}
h1{font-size:2.6rem;color:var(--navy);margin:0 0 18px;line-height:1.15}
h2{font-size:1.7rem;color:var(--blue);margin:34px 0 13px}
h3{font-size:1.2rem;color:#2c3e50;margin:20px 0 8px}
p{margin-bottom:15px;font-size:1.02rem}
strong{color:var(--navy)}
.wrap{max-width:1120px;margin:0 auto;padding:0 32px}

/* ── HEADER ─────────────────────────────────────────────────── */
header{
  background:linear-gradient(135deg,var(--navy) 0%,var(--blue) 100%);
  color:#fff;padding:0;position:sticky;top:0;z-index:100;
  box-shadow:0 2px 16px rgba(0,0,0,.35);
}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{
  font-family:'Exo 2',sans-serif;font-size:1.2rem;font-weight:600;
  color:#fff;text-decoration:none;letter-spacing:.03em;
  display:flex;align-items:center;gap:8px;flex-shrink:0;transition:opacity .2s;
}
.logo:hover{opacity:.82;color:#fff}
.logo-mark{display:flex;align-items:center;flex-shrink:0}
.logo-mark svg{width:30px;height:30px;display:block}
.foot-mark{display:inline-flex;vertical-align:-5px}
.foot-mark svg{width:22px;height:22px;display:block}
nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
nav a{
  color:#b8cfe0;font-size:.95rem;padding:6px 10px;border-radius:6px;
  text-decoration:none;transition:background .2s,color .2s;white-space:nowrap;font-weight:700;
}
nav a:hover{color:#fff;background:rgba(255,255,255,.12)}
nav a.active{color:#fff;border-bottom:2px solid var(--accent)}
.hamburger{display:none;background:none;border:none;cursor:pointer;padding:6px;color:#fff;font-size:1.4rem;line-height:1}
.mobile-menu{
  display:none;position:absolute;top:100%;left:0;right:0;
  background:var(--navy);padding:12px 0;
  box-shadow:0 8px 24px rgba(0,0,0,.4);z-index:200;border-top:2px solid var(--accent);
}
.mobile-menu a{
  display:block;color:#c5d8e8;font-size:1.05rem;padding:12px 24px;text-decoration:none;
  border-bottom:1px solid rgba(255,255,255,.06);transition:background .2s,color .2s;
}
.mobile-menu a:hover{background:rgba(255,255,255,.08);color:#fff}
.mobile-menu a i{margin-right:10px;color:var(--accent);width:20px;text-align:center}
.mobile-menu a.active{color:#fff;background:rgba(255,255,255,.08)}

/* ── HERO ────────────────────────────────────────────────────── */
.hero{
  background:linear-gradient(160deg,#0d2137 0%,#1a3a5c 55%,#1a5276 100%);
  padding:52px 0 0;overflow:hidden;position:relative;
}
.hero::before{
  content:'';position:absolute;inset:0;
  background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-inner{position:relative;z-index:1;padding-bottom:34px}
.hero h1{color:#fff;font-size:3rem;text-shadow:0 2px 8px rgba(0,0,0,.3)}
.hero h1 span{color:var(--h1accent)}
.hero-text{max-width:820px;font-size:1.1rem;color:#c5d8e8;margin-bottom:12px}
.hero-text p{margin-bottom:12px;font-size:inherit}
.hero-text p:last-child{margin-bottom:0}
.breadcrumb-hero{font-size:.95rem;color:rgba(255,255,255,.55);margin-bottom:14px}
.breadcrumb-hero a{color:rgba(255,255,255,.7);text-decoration:none}
.breadcrumb-hero a:hover{color:#fff}
.hero-cta{display:flex;margin:22px 0 0}
.hero-benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px;max-width:640px}
.hb{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  border-radius:9px;padding:11px 8px;color:#fff;font-size:.86rem;font-weight:600;
  display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;
  line-height:1.25;backdrop-filter:blur(4px);
}
.hb i{color:var(--accent);font-size:1.15rem}
.hero-banner{
  width:100%;max-height:360px;object-fit:cover;object-position:center 40%;
  display:block;box-shadow:0 -8px 30px rgba(0,0,0,.25);
}

/* ── MAIN ────────────────────────────────────────────────────── */
.main-content{padding:14px 0 20px}
.article-body h2{margin-top:5px}
.article-body h3{margin-top:26px;color:var(--blue)}

/* ── CARDS DE SERVICIO ───────────────────────────────────────── */
.servicios{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:24px 0 32px}
.servicios a{text-decoration:none;color:inherit}
.card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r);padding:24px;
  transition:transform .25s,box-shadow .25s,border-color .25s;
  position:relative;overflow:hidden;will-change:transform;height:100%;
}
.card::before{
  content:'';position:absolute;top:0;left:0;width:4px;height:100%;
  background:var(--accent);border-radius:4px 0 0 4px;
  transform:scaleY(0);transform-origin:bottom;transition:transform .3s;
}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(26,58,92,.13);border-color:var(--accent)}
.card:hover::before{transform:scaleY(1)}
.card-icon{font-size:1.8rem;color:#22a5be;margin-bottom:11px;display:block}
.card h3{margin-top:0;font-size:1.15rem;color:var(--blue)}
.card p{font-size:.93rem;color:var(--muted);margin-bottom:0}

/* ── SEÑALES DE ALERTA ───────────────────────────────────────── */
.alerts-list{list-style:none;padding:0;margin:16px 0 8px;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.alerts-list li{
  padding:11px 14px 11px 42px;background:#fff3cd;border-radius:8px;
  font-size:.96rem;position:relative;border:1px solid #ffc107;transition:transform .2s;
}
.alerts-list li:hover{transform:translateX(4px)}
.alerts-list li i{position:absolute;left:14px;top:13px;color:var(--accentd);font-size:1rem}

/* ── QUÉ INCLUYE ─────────────────────────────────────────────── */
.how-works{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:24px 0 32px}
.hw-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r);padding:22px;
  transition:transform .25s,box-shadow .25s;will-change:transform;border-top:4px solid var(--teal);
}
.hw-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(26,58,92,.13)}
.hw-card .hw-icon{font-size:1.8rem;color:var(--teal);margin-bottom:10px;display:block}
.hw-card h3{margin:0 0 8px;font-size:1.05rem;color:var(--blue)}
.hw-card p{font-size:.93rem;color:var(--muted);margin:0}

/* ── PROCESO ─────────────────────────────────────────────────── */
.steps{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:24px 0 32px}
.step-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r);
  padding:22px 22px 22px 28px;position:relative;overflow:hidden;
  transition:transform .25s,box-shadow .25s;will-change:transform;border-left:5px solid var(--teal);
}
.step-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(26,58,92,.13)}
.step-num{
  font-family:'Exo 2',sans-serif;font-size:2.4rem;font-weight:800;
  color:var(--accent);opacity:.2;position:absolute;top:8px;right:16px;line-height:1;
}
.step-card h3{margin:0 0 8px;font-size:1.05rem;color:var(--blue)}
.step-card p{font-size:.93rem;color:var(--muted);margin:0}

/* ── SECTORES ────────────────────────────────────────────────── */
.sectores{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:24px 0 32px}
.sectores a{text-decoration:none;color:inherit}
.sector-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r);
  padding:20px;text-align:center;position:relative;overflow:hidden;height:100%;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.sector-card::before{
  content:'';position:absolute;top:0;left:0;width:100%;height:4px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .3s;
}
.sector-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(26,58,92,.12);border-color:var(--accent)}
.sector-card:hover::before{transform:scaleX(1)}
.sector-card .s-icon{font-size:1.9rem;color:var(--teal);margin-bottom:10px;display:block}
.sector-card h3{margin:0 0 6px;font-size:1rem;color:var(--blue)}
.sector-card p{font-size:.88rem;color:var(--muted);margin:0}

/* ── INFO BOX / NORM BOX ─────────────────────────────────────── */
.info-box{
  background:linear-gradient(135deg,var(--light) 0%,#dce8f5 100%);
  border-left:5px solid var(--teal);padding:20px 24px;border-radius:var(--r);margin:24px 0;
}
.info-box p{margin:0;font-size:.98rem;color:var(--blue)}
.norm-box{
  background:#0d2137;border-radius:var(--r);padding:24px 28px;margin:24px 0;
  border-left:5px solid var(--accent);
}
.norm-box h3{color:var(--accent);margin:0 0 10px;font-size:1.1rem}
.norm-box p{color:#b8cfe0;margin:0;font-size:.96rem}
.norm-box p+p{margin-top:10px}

/* ── TWO COL ─────────────────────────────────────────────────── */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start;margin-bottom:28px}
.two-col .col-img{width:100%}
.img-cuadrada{
  width:100%;height:auto;aspect-ratio:1/1;object-fit:cover;border-radius:var(--r);
  box-shadow:0 8px 28px rgba(26,58,92,.18);border:3px solid var(--accent);
}

/* ── BENEFICIOS ──────────────────────────────────────────────── */
.beneficios{
  background:linear-gradient(135deg,var(--gray) 0%,#e2ebf4 100%);
  padding:28px 28px 22px;border-radius:var(--r);margin:28px 0;border-left:5px solid var(--accent);
}
.beneficios h2{margin-top:0}
.beneficios ul{padding-left:0;margin-top:13px;list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:9px}
.beneficios ul li{
  padding:10px 12px 10px 38px;background:#fff;border-radius:8px;
  font-size:.96rem;position:relative;border:1px solid #d4e2ef;transition:transform .2s,box-shadow .2s;
}
.beneficios ul li:hover{transform:translateX(4px);box-shadow:2px 4px 12px rgba(26,58,92,.1)}
.beneficios ul li::before{content:'✔';position:absolute;left:12px;top:10px;color:var(--accent);font-weight:700}

/* ── ZONAS ───────────────────────────────────────────────────── */
.zonas{background:#042d48;padding:28px;border-radius:var(--r);margin:28px 0}
.zonas h2{color:#fff;margin-top:0}
.zonas p{color:#b8cfe0}
.zonas ul{padding-left:0;list-style:none;margin-top:12px;display:grid;grid-template-columns:1fr 1fr;gap:9px}
.zonas ul li{
  padding:10px 12px 10px 38px;background:rgba(255,255,255,.07);border-radius:8px;
  font-size:.95rem;position:relative;border:1px solid rgba(255,255,255,.1);color:#e2ecf5;transition:background .2s;
}
.zonas ul li:hover{background:rgba(255,255,255,.13)}
.zonas ul li::before{content:'📍';position:absolute;left:10px;top:8px;font-size:.85rem}
.zonas ul li a{color:#e2ecf5;text-decoration:none}
.zonas ul li a:hover{color:#fff;text-decoration:underline}

/* ── WA BLOCK ────────────────────────────────────────────────── */
.wa-block{
  background:transparent;border-radius:var(--r);padding:56px 28px;margin:40px 0;
  width:100%;max-width:100%;display:flex;align-items:center;gap:20px;flex-wrap:wrap;
  position:relative;z-index:1;
}
.wa-block::before{
  content:"";position:absolute;top:0;bottom:0;left:50%;width:100vw;transform:translateX(-50%);
  background:linear-gradient(135deg,#1276b2 0%,#104d78 100%);
  box-shadow:0 6px 24px rgba(9,162,185,.22);z-index:-1;
}
.wa-block .wa-text{flex:1;min-width:200px}
.wa-block .wa-text h3{color:#fff;margin:0 0 6px;font-size:1.55rem}
.wa-block .wa-text p{color:rgba(255,255,255,.85);margin:0;font-size:1rem}
.btn-wa{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  background:#0aac70;color:#fff;font-size:1.15rem;
  font-family:'Exo 2',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-weight:700;
  padding:14px 28px;border-radius:50px;text-decoration:none;
  box-shadow:0 4px 16px rgba(37,211,102,.35);
  transition:background .2s,transform .2s,box-shadow .2s;white-space:nowrap;
  will-change:transform;animation:pulse 2.5s infinite;
}
.btn-wa:hover{background:var(--wad);color:#fff;transform:scale(1.04);box-shadow:0 6px 24px rgba(37,211,102,.5);text-decoration:none}
.btn-wa i{font-size:1.2rem}
.btn-hero{font-size:1.27rem;padding:17px 34px;border-radius:12px;margin-bottom:15px}

/* ── FAQ ─────────────────────────────────────────────────────── */
.faq{margin:28px 0}
.faq h2{margin-bottom:16px}
.faq .item{
  border:1px solid var(--border);border-radius:var(--r);padding:17px 22px;margin-bottom:10px;
  cursor:pointer;transition:background .2s,border-color .2s;
}
.faq .item:hover{background:var(--light);border-color:var(--accent)}
.faq .item h3{margin:0;font-size:1.02rem;display:flex;justify-content:space-between;align-items:center;gap:8px}
.faq .item h3::after{content:'＋';color:var(--accent);font-size:1.3rem;transition:transform .3s;flex-shrink:0}
.faq .item.open h3::after{transform:rotate(45deg)}
.faq .item p{display:none;margin:11px 0 0;font-size:.95rem;color:var(--muted)}
.faq .item.open p{display:block}

/* ── CIERRE ──────────────────────────────────────────────────── */
.cierre{
  background:linear-gradient(135deg,var(--accent) 0%,#e49a1f 100%);
  border-radius:var(--r);padding:28px;margin:36px 0;
  display:flex;align-items:center;gap:20px;flex-wrap:wrap;
  box-shadow:0 6px 24px rgba(232,160,32,.3);
}
.cierre .cierre-text{flex:1;min-width:200px}
.cierre .cierre-text h3{color:var(--navy);margin:0 0 4px;font-size:1.3rem}
.cierre .cierre-text p{color:#4a3000;margin:0;font-size:.95rem}
.btn-dark{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  background:var(--navy);color:#fff;font-size:1.05rem;
  font-family:'Exo 2',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-weight:700;
  padding:14px 28px;border-radius:50px;text-decoration:none;
  box-shadow:0 4px 16px rgba(0,0,0,.25);transition:background .2s,transform .2s;white-space:nowrap;
}
.btn-dark:hover{background:#051525;color:#fff;transform:scale(1.04);text-decoration:none}
.btn-dark i{font-size:1.2rem;color:#4ce08f}

/* ── INT LINKS ───────────────────────────────────────────────── */
.int-links{
  background:var(--light);padding:22px 26px;border-radius:var(--r);
  margin:30px 0;border:1px solid var(--border);
}
.int-links h3{margin-top:0;font-size:1.05rem;color:var(--blue);display:flex;align-items:center;gap:8px}
.int-links ul{padding-left:0;margin-top:10px;list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:8px}
.int-links ul li{margin:0;font-size:.96rem}
.int-links a{text-decoration:none;color:var(--mid)}
.int-links a:hover{color:var(--navy);text-decoration:underline}

/* ── FOOTER ──────────────────────────────────────────────────── */
footer{background:var(--navy);color:#8aa8c0;padding:32px 0;margin-top:48px;font-size:.92rem}
footer a{color:#7fb3cc;text-decoration:none}
footer a:hover{color:#fff}
.footer-inner{display:flex;flex-direction:column;gap:10px}
.footer-legal{font-size:.86rem;color:#6f8ba3}

/* ── ANIMACIONES ─────────────────────────────────────────────── */
@keyframes fadeUp{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.06)}}
@keyframes pulseSm{0%,100%{transform:scale(1)}50%{transform:scale(1.02)}}
.animate{opacity:0;transform:translateY(24px);transition:opacity .6s,transform .6s}
.animate.visible{opacity:1;transform:none}

/* ── FLOATING WA ─────────────────────────────────────────────── */
.float-wa{
  position:fixed;bottom:24px;right:24px;z-index:999;width:60px;height:60px;border-radius:50%;
  background:#0aac70;color:#fff;font-size:1.75rem;display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 20px rgba(37,211,102,.5);text-decoration:none;animation:pulse 2.5s infinite;will-change:transform;
}
.float-wa:hover{transform:scale(1.12);color:#fff;text-decoration:none}

/* ── TABLET ──────────────────────────────────────────────────── */
@media(max-width:900px){
  .servicios{grid-template-columns:repeat(2,1fr)}
  .sectores{grid-template-columns:repeat(2,1fr)}
  .how-works,.steps{grid-template-columns:1fr 1fr}
  .beneficios ul{grid-template-columns:1fr}
}

/* ── MÓVIL ───────────────────────────────────────────────────── */
@media(max-width:700px){
  .wrap{padding:0 18px}
  body{font-size:16px;line-height:1.65}
  h1{font-size:1.9rem;line-height:1.15}
  h2{font-size:1.5rem;line-height:1.25}
  h3{font-size:1.1rem}

  nav{display:none}
  .hamburger{display:flex;align-items:center;justify-content:center}
  .mobile-menu.active{display:block}
  .logo{font-size:1.25rem}
  .logo i{font-size:1.3rem}

  .hero{padding:32px 0 0}
  .hero-inner{padding-bottom:28px}
  .hero h1{font-size:2rem;line-height:1.12;margin-bottom:14px}
  .hero-text{font-size:1.02rem;line-height:1.6}
  .hero-banner{max-height:220px;object-position:center}

  /* UNA SOLA COLUMNA EN MOVIL */
  .servicios,
  .sectores,
  .how-works,
  .steps,
  .alerts-list,
  .two-col,
  .beneficios ul,
  .zonas ul,
  .int-links ul{grid-template-columns:1fr}

  .two-col .col-img{width:100%;max-width:100%;margin:0 auto}

  /* 3 BENEFICIOS SIEMPRE EN UNA FILA */
  .hero-benefits{grid-template-columns:repeat(3,1fr);gap:7px;max-width:100%}
  .hb{font-size:.72rem;padding:9px 4px;gap:5px}
  .hb i{font-size:1rem}

  /* BOTONES AL 95% */
  .btn-wa,.btn-dark{
    width:95%;max-width:95%;margin-left:auto;margin-right:auto;
    white-space:normal;text-align:center;font-size:1.27rem;padding:14px 12px;
    animation:pulseSm 2.5s infinite;
  }
  .hero-cta{justify-content:center;margin-top:20px}
  .btn-hero{width:95%;border-radius:12px}

  .cierre,.wa-block{flex-direction:column;text-align:center}
  .wa-block{padding:44px 18px}
  .float-wa{width:54px;height:54px;font-size:1.55rem;bottom:18px;right:18px}
}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .animate{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ============================================================
   AJUSTES — introducción debajo del hero
   ============================================================ */
/* aire arriba del primer bloque de contenido (antes quedaba pegado al hero) */
.main-content{padding-top:48px}
/* la introducción entra sin título, y separa un poco del bloque que sigue */
.intro-texto{margin-bottom:34px}
.intro-texto p:last-child{margin-bottom:0}
@media(max-width:700px){
  .main-content{padding-top:34px}
  .intro-texto{margin-bottom:28px}
}