/* ============================================================
   Electricidad C&C — Hoja de estilos principal
   ------------------------------------------------------------
   ORGANIZACIÓN:
   1. Variables y base
   2. Utilidades y botones
   3. Topbar + Header + navegación móvil
   4. Hero
   5. Secciones genéricas y tarjetas
   6. Secciones específicas (empalmes, galería, pasos, etc.)
   7. Formulario y contacto
   8. Footer + flotantes
   9. Responsive (tablet / desktop)
   10. Animaciones y accesibilidad
   ============================================================ */

/* ---------- 1. Variables y base ---------- */
:root{
  /* Identidad: azul oscuro + azul eléctrico + blanco + dorado/rayo */
  --azul-950:#060f1f;
  --azul-900:#0a1a2f;
  --azul-800:#0e2440;
  --azul-700:#13315a;
  --azul-electrico:#0f6bff;
  --azul-electrico-claro:#2f8bff;
  --celeste:#e8f1ff;
  --dorado:#ffc400;
  --dorado-oscuro:#e0a800;
  --blanco:#ffffff;
  --gris-50:#f4f6f9;
  --gris-100:#e9edf3;
  --gris-300:#c3ccd8;
  --gris-600:#5b6b82;
  --gris-900:#1d2735;
  --verde-wsp:#22c55e;
  --verde-wsp-oscuro:#16a34a;
  --sombra-sm:0 2px 10px rgba(6,15,31,.08);
  --sombra-md:0 10px 30px rgba(6,15,31,.14);
  --sombra-lg:0 20px 60px rgba(6,15,31,.22);
  --radio:16px;
  --radio-sm:10px;
  --max:1160px;
  --fuente:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  font-family:var(--fuente);
  color:var(--gris-900);
  background:var(--blanco);
  line-height:1.6;
  -webkit-text-size-adjust:100%;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--azul-electrico)}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .6em;color:var(--azul-900)}
p{margin:0 0 1em}
ul{margin:0 0 1em;padding-left:1.2em}
.container{width:min(var(--max),100% - 2.5rem);margin-inline:auto}
section{padding:2.8rem 0}
@media (max-width:767px){section{padding:2.5rem 0}}
::selection{background:var(--dorado);color:var(--azul-950)}

/* ---------- 2. Utilidades y botones ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.8rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  color:var(--azul-electrico);background:var(--celeste);
  border:1px solid #cfe1ff;border-radius:999px;padding:.35rem .9rem;margin-bottom:1rem;
}
.eyebrow--dark{color:var(--dorado);background:rgba(255,196,0,.12);border-color:rgba(255,196,0,.35)}
.eyebrow--gold{color:#5c4300;background:#fff4cc;border-color:#ffe27a}
.section-title{font-size:clamp(1.55rem,1.2rem + 2vw,2.4rem);letter-spacing:-.02em}
.section-sub{color:var(--gris-600);max-width:62ch;font-size:1.02rem}
.center{text-align:center}
.muted{color:var(--gris-600)}
.small{font-size:.88rem}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
  font-weight:800;font-size:1rem;line-height:1.2;text-decoration:none;
  border-radius:14px;padding:1rem 1.4rem;border:2px solid transparent;
  cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease;
  min-height:54px;
}
.btn:active{transform:scale(.98)}
.btn--primary{background:var(--dorado);color:var(--azul-950);box-shadow:0 8px 24px rgba(255,196,0,.35)}
.btn--primary:hover{background:#ffd21f}
.btn--wsp{background:var(--verde-wsp);color:#fff;box-shadow:0 8px 24px rgba(34,197,94,.35)}
.btn--wsp:hover{background:var(--verde-wsp-oscuro)}
.btn--azul{background:var(--azul-electrico);color:#fff}
.btn--azul:hover{background:var(--azul-electrico-claro)}
.btn--ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.35)}
.btn--ghost:hover{background:rgba(255,255,255,.16)}
.btn--outline{background:#fff;color:var(--azul-900);border-color:var(--gris-300)}
.btn--outline:hover{border-color:var(--azul-electrico);color:var(--azul-electrico)}
.btn--block{width:100%}
.btn svg{flex:none}
[hidden]{display:none!important}

.chip{
  display:inline-flex;align-items:center;gap:.4rem;
  background:#fff;border:1px solid var(--gris-100);border-radius:999px;
  padding:.45rem .85rem;font-size:.86rem;font-weight:700;color:var(--azul-800);
  box-shadow:var(--sombra-sm);white-space:nowrap;
}
.chip .dot{width:8px;height:8px;border-radius:50%;background:var(--verde-wsp)}

/* ---------- 3. Topbar + Header ---------- */
.topbar{
  background:var(--azul-950);color:#cfe0ff;font-size:.82rem;
  padding:.45rem 0;display:none;
}
.topbar .container{display:flex;justify-content:space-between;gap:1rem;align-items:center}
.topbar a{color:#fff;text-decoration:none;font-weight:700;display:inline-block;padding:.55rem .6rem;margin:-.55rem -.6rem}
.topbar a:hover{color:var(--dorado)}

.header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--gris-100);
}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.7rem 0}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none}
.brand__logo{width:48px;height:48px;flex:none;border-radius:10px;object-fit:cover}
.mobile-brand{display:inline-flex;align-items:center;gap:.5rem}
.mobile-brand img{border-radius:7px;object-fit:cover}
.brand__name{font-weight:900;color:var(--azul-900);font-size:1.05rem;line-height:1.1;white-space:nowrap}
.brand__name small{display:block;font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--gris-600)}
.nav{display:none}
.header__cta{display:none;gap:.5rem}
.header__cta .btn{min-height:46px;padding:.65rem .9rem;font-size:.87rem;white-space:nowrap}

/* Botón hamburguesa */
.menu-btn{
  display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  width:48px;height:48px;border-radius:12px;border:1px solid var(--gris-100);
  background:#fff;cursor:pointer;
}
.menu-btn span{display:block;width:22px;height:2.5px;border-radius:2px;background:var(--azul-900);transition:.2s}
.menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* Panel móvil */
.mobile-nav{
  position:fixed;inset:0;z-index:70;pointer-events:none;
}
.mobile-nav__backdrop{
  position:absolute;inset:0;background:rgba(6,15,31,.55);opacity:0;transition:.25s;
}
.mobile-nav__panel{
  position:absolute;top:0;right:0;bottom:0;width:min(360px,88vw);
  background:#fff;box-shadow:var(--sombra-lg);
  transform:translateX(105%);transition:transform .28s ease;
  display:flex;flex-direction:column;overflow:auto;
}
.mobile-nav.open{pointer-events:auto}
.mobile-nav.open .mobile-nav__backdrop{opacity:1}
.mobile-nav.open .mobile-nav__panel{transform:none}
.mobile-nav__head{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.1rem;border-bottom:1px solid var(--gris-100)}
.mobile-nav__head strong{color:var(--azul-900)}
.mobile-nav__close{border:1px solid var(--gris-100);background:#fff;border-radius:10px;width:42px;height:42px;font-size:1.2rem;cursor:pointer}
.mobile-nav__links{padding:.8rem 1.1rem;display:grid;gap:.15rem}
.mobile-nav__links a{
  display:flex;justify-content:space-between;align-items:center;
  padding:.8rem .7rem;border-radius:10px;text-decoration:none;font-weight:700;color:var(--azul-900);
}
.mobile-nav__links a:hover{background:var(--gris-50)}
.mobile-nav__cta{padding:1rem 1.1rem 1.4rem;display:grid;gap:.7rem;border-top:1px solid var(--gris-100)}

/* ---------- 4. Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(900px 420px at 85% -10%,rgba(15,107,255,.38),transparent 60%),
    radial-gradient(700px 380px at 10% 110%,rgba(255,196,0,.14),transparent 60%),
    linear-gradient(180deg,rgba(6,15,31,.94),rgba(10,26,47,.89)),
    url('../assets/img/foto-proyecto-viviendas.jpg') center 62%/cover no-repeat;
  padding:3rem 0 2.6rem;
}
.hero::before{ /* trama técnica */
  content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(700px 420px at 50% 20%,#000 30%,transparent 75%);
}
.hero .container{position:relative}
.hero__grid{display:grid;gap:2rem}
.hero h1{color:#fff;font-size:clamp(1.9rem,1.4rem + 3.2vw,3.1rem);letter-spacing:-.02em;margin:.2rem 0 .7rem}
.hero h1 .rayo{color:var(--dorado)}
.hero__lead{color:#d6e4ff;font-size:clamp(1rem,.95rem + .6vw,1.18rem);max-width:56ch}
.hero__sub{color:#fff;font-weight:700;font-size:clamp(1.02rem,.98rem + .5vw,1.2rem);max-width:56ch;margin:0 0 .6rem}
.hero__bullets{display:grid;gap:.55rem;margin:1.3rem 0;padding:0;list-style:none}
.hero__bullets li{display:flex;gap:.6rem;align-items:flex-start;color:#eaf1ff;font-weight:600;font-size:.97rem}
.hero__bullets svg{flex:none;margin-top:.2rem}
.hero__cta{display:grid;gap:.7rem;margin-top:1.4rem}
.hero__nota{font-size:.85rem;color:#a9bfe6;margin-top:.8rem}
.hero__card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radio);padding:1.3rem;backdrop-filter:blur(6px);
}
.hero__card h2{color:#fff;font-size:1.1rem;margin-bottom:.8rem}
.hero__card p{color:#bcd0f5;font-size:.95rem;line-height:1.55}
.hero__card .small.muted{color:#bcd0f5}
.hero__card a{color:#ffe27a;font-weight:800;text-decoration:underline}
@media (max-width:959.98px){.hero__card{border:1px solid rgba(255,255,255,.22);box-shadow:0 14px 44px rgba(6,15,31,.55)}}
.hero__dist{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem}
.hero__dist .chip{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2);color:#fff;box-shadow:none}

/* Barra de especialidades bajo el hero */
.strip{background:var(--dorado);padding:.9rem 0;overflow:hidden}
.strip__track{display:flex;gap:.6rem;overflow-x:auto;padding-bottom:.2rem;scrollbar-width:none}
.strip__track::-webkit-scrollbar{display:none}
.strip .chip{border-color:transparent}

/* ---------- 5. Secciones genéricas y tarjetas ---------- */
.section--gris{background:var(--gris-50)}
.section--azul{background:linear-gradient(180deg,var(--azul-900),var(--azul-950));color:#eaf1ff}
.section--azul h2,.section--azul h3{color:#fff}
.section--azul .section-sub{color:#bcd0f5}

.grid{display:grid;gap:1rem}
.grid--servicios{grid-template-columns:1fr;margin-top:1.8rem}
.card{
  background:#fff;border:1px solid var(--gris-100);border-radius:var(--radio);
  padding:1.3rem;box-shadow:var(--sombra-sm);
  display:flex;flex-direction:column;gap:.6rem;
  transition:transform .15s ease,box-shadow .15s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sombra-md)}
.card__icon{
  width:48px;height:48px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--azul-900),var(--azul-electrico));color:#fff;
}
.card__icon--gold{background:linear-gradient(135deg,#8a6a00,var(--dorado-oscuro));color:#fff}
.card h3{font-size:1.05rem;margin:0}
.card p{color:var(--gris-600);font-size:.93rem;margin:0}
.card__link{margin-top:auto;font-weight:800;text-decoration:none;font-size:.92rem}
.card__link:hover{text-decoration:underline}
.card__icon svg,.why-item .ic svg{width:24px;height:24px;display:block}
.info-row .ic svg{width:20px;height:20px;display:block}
.mobile-cta .btn svg{width:18px;height:18px}

/* Split (texto + panel) */
.split{display:grid;gap:1.6rem;align-items:start;margin-top:1.6rem}
.panel{
  background:#fff;border:1px solid var(--gris-100);border-radius:var(--radio);
  box-shadow:var(--sombra-md);overflow:hidden;
}
.panel--azul{background:linear-gradient(160deg,var(--azul-800),var(--azul-950));border-color:rgba(255,255,255,.12);color:#eaf1ff}
.panel__body{padding:1.5rem}
.panel__body h3{margin-top:0}
.checklist{list-style:none;padding:0;margin:0 0 1rem;display:grid;gap:.6rem}
.checklist li{display:flex;gap:.6rem;align-items:flex-start;font-size:.95rem}
.checklist svg{flex:none;margin-top:.2rem}
.panel--azul .checklist li{color:#eaf1ff}
.panel--azul h3{color:#fff}
/* Contraste: tarjetas blancas dentro de secciones oscuras.
   Las reglas de color de .section--azul no deben filtrarse a paneles blancos. */
.section--azul .panel:not(.panel--azul){color:var(--gris-900)}
.section--azul .panel:not(.panel--azul) h3{color:var(--azul-900)}
.section--azul .panel:not(.panel--azul) .checklist li{color:var(--gris-900)}
.section--azul .panel:not(.panel--azul) .muted{color:var(--gris-600)}

/* ---------- 6a. Empalmes (sección especial) ---------- */
.empalme-hero{
  background:linear-gradient(160deg,#0e2440,#060f1f);
  border:1px solid rgba(255,255,255,.12);border-radius:20px;color:#fff;
  padding:1.6rem;position:relative;overflow:hidden;margin-top:1.6rem;
}
.empalme-hero::after{
  content:"⚡";position:absolute;right:-10px;bottom:-38px;font-size:11rem;opacity:.08;pointer-events:none;
}
.empalme-hero h3{color:var(--dorado);font-size:clamp(1.3rem,1.1rem + 1.4vw,1.8rem);margin:0 0 .5rem}
.empalme-hero p{color:#d6e4ff;max-width:60ch}
.empalme-grid{display:grid;gap:.8rem;margin:1.2rem 0}
.empalme-item{display:flex;gap:.8rem;align-items:flex-start;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:.9rem 1rem}
.empalme-item b{color:#fff;display:block}
.empalme-item span{color:#bcd0f5;font-size:.9rem}
.empalme-item .n{flex:none;width:32px;height:32px;border-radius:10px;background:var(--dorado);color:var(--azul-950);font-weight:900;display:grid;place-items:center}

/* ---------- 6b. Galería ---------- */
.gallery{display:grid;gap:1rem;margin-top:1.6rem;grid-template-columns:1fr}
.g-item{
  position:relative;border-radius:var(--radio);overflow:hidden;
  border:1px solid var(--gris-100);background:#fff;box-shadow:var(--sombra-sm);
}
.g-item figure{margin:0}
.g-item img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--gris-100)}
.obj-top{object-position:center top}
.g-item figcaption{padding:.8rem 1rem;font-size:.88rem;color:var(--gris-600)}
.g-item figcaption b{display:block;color:var(--azul-900);font-size:.95rem}

/* Fotos en secciones (empalmes, instalaciones, solar) */
.foto-strip{display:grid;gap:1rem;margin-top:1.4rem}
.foto-strip figure,.section-foto{margin:0;background:#fff;border:1px solid var(--gris-100);border-radius:var(--radio);overflow:hidden;box-shadow:var(--sombra-sm)}
.foto-strip img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}
.foto-strip figcaption,.section-foto figcaption{padding:.7rem 1rem;font-size:.86rem;color:var(--gris-600)}
.section-foto{margin-top:1.4rem}
.section-foto img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}
@media (min-width:640px){.foto-strip{grid-template-columns:1fr 1fr}}

/* Logo en footer */
.footer-logo{max-width:190px;border-radius:14px;margin-bottom:1rem}

/* ---------- 6c. Pasos ---------- */
.steps{display:grid;gap:.9rem;margin-top:1.6rem;counter-reset:paso}
.step{
  display:flex;gap:1rem;background:#fff;border:1px solid var(--gris-100);
  border-radius:var(--radio);padding:1.2rem;box-shadow:var(--sombra-sm);
}
.step__num{
  counter-increment:paso;flex:none;width:44px;height:44px;border-radius:13px;
  background:var(--azul-900);color:var(--dorado);font-weight:900;font-size:1.15rem;
  display:grid;place-items:center;
}
.step__num::before{content:counter(paso)}
.step h3{font-size:1.02rem;margin:0 0 .25rem}
.step p{margin:0;color:var(--gris-600);font-size:.93rem}

/* ---------- 6d. Zonas ---------- */
.zonas{display:flex;flex-wrap:wrap;gap:.55rem;margin:1.2rem 0}
.zona-pill{
  display:inline-flex;align-items:center;gap:.45rem;
  border-radius:999px;padding:.55rem 1rem;font-weight:800;font-size:.92rem;
  background:var(--azul-900);color:#fff;
}
.zona-pill--soft{background:#fff;border:1px solid var(--gris-300);color:var(--azul-800);font-weight:700}

/* ---------- 6e. Por qué elegirnos ---------- */
.why{display:grid;gap:1rem;margin-top:1.6rem}
.why-item{display:flex;gap:.9rem;align-items:flex-start;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:1.1rem 1.2rem}
.why-item h3{font-size:1rem;margin:0 0 .2rem}
.why-item p{margin:0;color:#bcd0f5;font-size:.92rem}
.why-item .ic{flex:none;width:42px;height:42px;border-radius:12px;background:rgba(255,196,0,.15);border:1px solid rgba(255,196,0,.4);display:grid;place-items:center;color:var(--dorado)}

/* ---------- 6f. Testimonios (espacios reservados, NO inventados) ---------- */
.testis{display:grid;gap:1rem;margin-top:1.6rem}
.testi{
  border:2px dashed var(--gris-300);border-radius:var(--radio);background:#fff;
  padding:1.4rem;text-align:center;color:var(--gris-600);
}
.testi b{color:var(--azul-900);display:block;margin-bottom:.3rem}
.testi .stars{color:var(--dorado-oscuro);letter-spacing:.2em;font-size:1.1rem}

/* ---------- 6g. FAQ ---------- */
.faq{margin-top:1.4rem;display:grid;gap:.7rem}
.faq-item{background:#fff;border:1px solid var(--gris-100);border-radius:14px;overflow:hidden;box-shadow:var(--sombra-sm)}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:1rem;
  background:#fff;border:0;cursor:pointer;text-align:left;
  font-weight:800;font-size:.99rem;color:var(--azul-900);padding:1.05rem 1.2rem;
}
.faq-q .plus{
  flex:none;width:30px;height:30px;border-radius:9px;background:var(--celeste);
  color:var(--azul-electrico);font-size:1.2rem;line-height:1;display:grid;place-items:center;
  transition:transform .2s;
}
.faq-item.open .faq-q .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 1.2rem 1.1rem;margin:0;color:var(--gris-600);font-size:.94rem}

/* ---------- 7. Contacto ---------- */
.contact-grid{display:grid;gap:1.2rem;margin-top:1.6rem}
.contact-grid>*{min-width:0}
.form-card{background:#fff;border:1px solid var(--gris-100);border-radius:20px;box-shadow:var(--sombra-md);padding:1.5rem}
.field{margin-bottom:1rem}
.field label{display:block;font-weight:800;font-size:.88rem;color:var(--azul-900);margin-bottom:.35rem}
.field input,.field select,.field textarea{
  width:100%;border:1.5px solid var(--gris-300);border-radius:12px;
  padding:.85rem 1rem;font-size:1rem;font-family:inherit;background:#fff;color:var(--gris-900);
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--azul-electrico);box-shadow:0 0 0 3px rgba(15,107,255,.15);
}
.field textarea{min-height:120px;resize:vertical}
.form-hint{font-size:.9rem;color:var(--gris-600)}
.form-ok{
  display:none;background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46;
  border-radius:12px;padding:.9rem 1rem;font-size:.92rem;margin-bottom:1rem;
}
.info-card{background:linear-gradient(160deg,var(--azul-800),var(--azul-950));color:#eaf1ff;border-radius:20px;padding:1.5rem;border:1px solid rgba(255,255,255,.12)}
.info-card h3{color:#fff;margin-top:0}
.info-row{display:flex;gap:.8rem;align-items:flex-start;padding:.7rem 0;border-top:1px solid rgba(255,255,255,.12);font-size:.95rem}
.info-row:first-of-type{border-top:0}
.info-row a{color:#fff;font-weight:700;text-decoration:none}
.info-row a:hover{color:var(--dorado)}
.info-row .ic{flex:none;width:38px;height:38px;border-radius:11px;background:rgba(255,255,255,.08);display:grid;place-items:center}
.socials{display:flex;gap:.6rem;margin-top:1rem;flex-wrap:wrap}
.socials a{
  display:inline-flex;align-items:center;gap:.5rem;text-decoration:none;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  color:#fff;font-weight:700;font-size:.88rem;border-radius:999px;padding:.55rem 1rem;
}
.socials a:hover{background:rgba(255,255,255,.16)}

/* ---------- 8. Footer + flotantes ---------- */
.footer{background:var(--azul-950);color:#a9bfe6;padding:2.8rem 0 7.5rem;font-size:.92rem}
.footer a{color:#d6e4ff;text-decoration:none}
.footer a:hover{color:var(--dorado)}
.footer__grid{display:grid;gap:1.6rem}
.footer h4{color:#fff;font-size:.95rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:.8rem}
.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:.45rem}
.footer__bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:1.8rem;padding-top:1.2rem;display:grid;gap:.5rem;font-size:.9rem}

/* Botón flotante WhatsApp */
.wsp-float{
  position:fixed;right:14px;bottom:88px;z-index:65;
  width:56px;height:56px;border-radius:50%;border:2px solid rgba(255,255,255,.9);
  background:var(--verde-wsp);display:grid;place-items:center;color:#fff;
  box-shadow:0 12px 30px rgba(22,163,74,.5);text-decoration:none;
  transition:transform .15s;
}
.wsp-float:hover{transform:scale(1.06)}
.wsp-float::after{
  content:"";position:absolute;inset:-5px;border-radius:50%;
  border:2px solid rgba(34,197,94,.5);animation:pulse 2s infinite;
}
@keyframes pulse{0%{transform:scale(.95);opacity:1}100%{transform:scale(1.15);opacity:0}}

/* Barra móvil inferior: llamar + solicitar visita */
.mobile-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:64;
  background:rgba(255,255,255,.97);backdrop-filter:blur(8px);
  border-top:1px solid var(--gris-100);padding:.6rem .8rem calc(.6rem + env(safe-area-inset-bottom));
  display:grid;grid-template-columns:1fr 1.4fr;gap:.6rem;
}
.mobile-cta .btn{min-height:50px;padding:.7rem .6rem;font-size:.92rem;border-radius:12px}
.mobile-cta{transition:transform .25s ease,visibility .25s ease}
/* En la sección de contacto la barra se retira para no tapar ni competir con el envío */
body.en-contacto .mobile-cta{transform:translateY(calc(100% + env(safe-area-inset-bottom)));visibility:hidden;pointer-events:none}
/* Bajo 960 px manda la barra inferior: el círculo flotante se oculta y se reserva espacio */
@media (max-width:959.98px){
  .wsp-float{display:none}
  body{padding-bottom:calc(76px + env(safe-area-inset-bottom))}
}

/* Ajuste móvil: hero más compacto para llegar antes a la acción */
@media (max-width:639px){
  .hero{padding:2.3rem 0 2rem}
  .hero__bullets{margin:1rem 0}
}

/* ---------- 9. Responsive ---------- */
@media (min-width:640px){
  .hero__cta{grid-template-columns:1fr 1fr;max-width:560px}
  .grid--servicios{grid-template-columns:1fr 1fr}
  .gallery{grid-template-columns:1fr 1fr}
  .empalme-grid{grid-template-columns:1fr 1fr}
  .testis{grid-template-columns:1fr 1fr}
}
@media (min-width:960px){
  .topbar{display:block}
  .nav{display:flex;gap:.2rem;align-items:center}
  .nav a{
    text-decoration:none;font-weight:700;font-size:.85rem;color:var(--azul-900);
    padding:.6rem .55rem;border-radius:10px;white-space:nowrap;
  }
  .nav a:hover{background:var(--gris-50);color:var(--azul-electrico)}
  .header__cta{display:flex}
  .menu-btn{display:none}
  .hero{padding:4.5rem 0 4rem}
  .hero__grid{grid-template-columns:1.25fr .9fr;align-items:center}
  .hero__cta{max-width:520px}
  .grid--servicios{grid-template-columns:repeat(3,1fr)}
  .split{grid-template-columns:1.05fr .95fr}
  .split--inv .panel{order:-1}
  .gallery{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:1fr 1fr}
  .why{grid-template-columns:1fr 1fr}
  .testis{grid-template-columns:repeat(3,1fr)}
  .contact-grid{grid-template-columns:1.1fr .9fr;align-items:start}
  .footer{padding-bottom:2.5rem}
  .footer__grid{grid-template-columns:1.3fr 1fr 1fr 1fr}
  .mobile-cta{display:none}
  .wsp-float{bottom:24px;right:24px;width:64px;height:64px}
}

/* ---------- 10. Animaciones y accesibilidad ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .5s ease,transform .5s ease}
.reveal.visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}
:focus-visible{outline:3px solid var(--dorado);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}

/* ---------- 11. Ampliación de fotos y adjuntos del formulario ---------- */
.zoombtn{display:block;width:100%;padding:0;border:0;background:none;cursor:zoom-in}
.zoombtn img{display:block;width:100%;height:auto}
.zoombtn:focus-visible{outline:3px solid var(--dorado);outline-offset:3px;border-radius:12px}
.zoom-hint{font-size:.8rem;color:var(--gris-600);font-weight:600}
.lightbox{position:fixed;inset:0;z-index:90;background:rgba(6,15,31,.94);display:grid;place-items:center;padding:1.2rem}
.lightbox[hidden]{display:none}
.lightbox figure{margin:0;max-width:min(94vw,900px);text-align:center}
.lightbox img{max-width:94vw;max-height:82vh;width:auto;height:auto;border-radius:12px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.lightbox figcaption{color:#eaf1ff;font-size:.9rem;margin-top:.7rem}
.lightbox__close{position:absolute;top:14px;right:14px;width:46px;height:46px;border-radius:50%;border:2px solid rgba(255,255,255,.85);background:rgba(6,15,31,.6);color:#fff;font-size:1.25rem;font-weight:800;cursor:pointer;line-height:1}
.field-title{display:block;font-weight:800;font-size:.88rem;color:var(--azul-900);margin:0 0 .35rem}
.fotos-lista{list-style:none;display:flex;flex-wrap:wrap;gap:.6rem;padding:0;margin:.8rem 0 0}
.fotos-item{position:relative;width:92px}
.fotos-item img{width:92px;height:92px;object-fit:cover;border-radius:10px;border:1px solid var(--gris-300);display:block}
.fotos-del{position:absolute;top:-8px;right:-8px;width:26px;height:26px;border-radius:50%;border:1px solid var(--gris-300);background:#fff;color:#b91c1c;font-weight:800;font-size:.8rem;cursor:pointer;line-height:1}
.fotos-count{font-weight:700;color:var(--azul-900)}
.fotos-error{color:#b91c1c;font-weight:700}
.fotos-notice{background:#fff4cc;border:1px solid #ffe27a;color:#5c4300;border-radius:12px;padding:.7rem .9rem;font-size:.86rem;font-weight:600;margin:.6rem 0 0}

/* ---------- 12. Barra móvil, casos, errores de formulario y navegación del lightbox ---------- */
.container--angosto{max-width:820px}
.fotos-invite{background:var(--gris-50);border:1px dashed var(--gris-300);border-radius:12px;padding:.9rem 1rem}
.field-error{color:#b91c1c;font-size:.8rem;font-weight:700;margin:.3rem 0 0}
.field.invalid input,.field.invalid select{border-color:#b91c1c;box-shadow:0 0 0 3px rgba(185,28,28,.12)}
.form-privacidad{margin:.7rem 0 0;border-top:1px solid var(--gris-100);padding-top:.7rem}
.cases{display:grid;gap:1.1rem;margin-top:1.6rem}
.case{background:#fff;border:1px solid var(--gris-100);border-radius:16px;overflow:hidden;box-shadow:0 10px 30px rgba(10,26,47,.06);display:flex;flex-direction:column}
.case figure{margin:0}
.case .zoombtn img{aspect-ratio:4/3;object-fit:cover;width:100%;height:auto}
.case figcaption{padding:.6rem .9rem;font-size:.85rem;color:var(--gris-600);border-bottom:1px solid var(--gris-100)}
.case__body{padding:.9rem 1rem 1.1rem;display:grid;gap:.45rem}
.case__body h3{margin:0;font-size:1.05rem}
.case__meta{margin:0;font-size:.85rem;font-weight:700;color:var(--azul-900)}
.case__body p{margin:0;font-size:.9rem;color:var(--gris-600)}
.case-tag{display:inline-block;font-size:.68rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase;border-radius:999px;padding:.18rem .55rem;margin-right:.35rem;vertical-align:middle}
.case-tag--ok{background:#dcfce7;color:#14532d}
.case-tag--proc{background:#fef3c7;color:#713f12}
.gallery--more{margin-top:1.1rem}
.mas-trabajos{display:flex;justify-content:center;margin-top:1.2rem}
.lightbox__nav{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border-radius:50%;border:2px solid rgba(255,255,255,.7);background:rgba(6,15,31,.55);color:#fff;font-size:1.5rem;line-height:1;cursor:pointer;z-index:2}
.lightbox__prev{left:10px}
.lightbox__next{right:10px}
@media (min-width:960px){.cases{grid-template-columns:repeat(3,1fr)}}

/* ---------- 13. Ronda de confianza (temores, experiencias, Carlos Piña, formulario dinámico) ---------- */
/* Jerarquía de las 4 especialidades */
.grid--principales .card{border-width:2px;border-color:var(--azul-900)}
.grid--principales .card h3{font-size:1.15rem}

/* Tarjetas Preocupación / Solución */
.grid--temores{display:grid;grid-template-columns:1fr;gap:1rem;margin-top:1.8rem}
.fear{background:#fff;border:1px solid var(--gris-100);border-left:5px solid var(--dorado);border-radius:16px;padding:1.1rem 1.2rem;box-shadow:0 8px 24px rgba(10,26,47,.05)}
.fear__q{font-style:italic;color:var(--azul-900);font-weight:700;line-height:1.45;margin-bottom:.55rem}
.fear__a{font-size:.92rem;color:var(--gris-600);line-height:1.55}
.fear__a b{color:var(--azul-900)}
.fear__more{margin-top:.55rem}
.fear__more a{font-size:.85rem;font-weight:700;color:var(--azul-electrico);text-decoration:none}
.fear__more a:hover{text-decoration:underline}
@media (min-width:768px){.grid--temores{grid-template-columns:1fr 1fr}}

/* Respaldo posterior dentro de Experiencias */
.respaldo{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:16px;padding:1.4rem 1.5rem;margin-top:2.2rem}
.respaldo h3{color:#fff;font-size:1.15rem;margin:0 0 .6rem}
.respaldo p{color:#dbe7ff;font-size:.95rem;line-height:1.6;margin:0 0 .8rem}
.respaldo__link{display:inline-block;font-weight:800;color:var(--dorado);text-decoration:none;border-bottom:2px solid var(--dorado);padding-bottom:1px}
.respaldo__link:hover{color:#ffe27a;border-color:#ffe27a}
.respaldo__pendiente{font-size:.8rem;color:var(--gris-600);margin-top:.9rem;margin-bottom:0}

/* Detalle de casos (Tipo | Localidad | Solución) */
.case__line{display:grid;gap:.3rem;font-size:.9rem;color:var(--gris-600);margin:0}
.case__line span:first-child{font-weight:700;color:var(--azul-900)}

/* Carlos Piña */
.split--persona{display:grid;gap:2rem;align-items:center;margin-top:2rem}
.persona__foto{margin:0;position:relative}
.persona__foto img{width:100%;max-width:510px;height:auto;display:block;border-radius:16px;box-shadow:0 16px 40px rgba(10,26,47,.22);object-fit:cover}
.persona__foto figcaption{position:absolute;left:12px;right:12px;bottom:12px;background:rgba(10,26,47,.82);color:#fff;font-size:.82rem;font-weight:700;padding:.45rem .7rem;border-radius:10px;letter-spacing:.02em}
.persona__nombre{display:grid;gap:.15rem;margin:0 0 1rem}
.persona__nombre b{font-size:1.55rem;color:var(--azul-900);letter-spacing:-.01em}
.persona__nombre span{color:var(--gris-600);font-size:1rem;font-weight:600}
.persona__cita{margin:0;border-left:4px solid var(--dorado);padding:.2rem 0 .2rem 1rem;font-size:1.02rem;line-height:1.65;color:var(--azul-900)}
@media (min-width:960px){.split--persona{grid-template-columns:.42fr .58fr}}

/* Formulario dinámico */
fieldset.dyn{border:1px solid var(--gris-300);border-radius:12px;padding:1rem 1rem .5rem;margin:0 0 1rem;background:var(--gris-50)}
fieldset.dyn legend{font-weight:800;font-size:.88rem;color:var(--azul-900);padding:0 .5rem}
.grid-dos{display:grid;grid-template-columns:1fr;gap:1rem}
@media (min-width:640px){.grid-dos{grid-template-columns:1fr 1fr}}
fieldset.dyn .small{margin:.2rem 0 .6rem}


/* ---------- 14. Ajuste final UX: complementarios 2 col, CTA, tipografía ---------- */
@media (min-width:640px){.grid--complementarios{grid-template-columns:repeat(2,1fr)}}
.grid--complementarios .card{border-width:1px}

/* CTA hero: WhatsApp secundario aún claro, sin competir con el amarillo */
.hero .btn--wsp{background:rgba(255,255,255,.12);color:#fff;box-shadow:none;border:2px solid rgba(255,255,255,.3)}
.hero .btn--wsp:hover{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.5)}

/* Responsivo: contadores/zona pill con menos jerarquía*/
.zonas{margin-top:1.2rem}
.zona-pill{font-size:.9rem}
.zona-note{font-size:.88rem}

/* Temores: alineación de tarjetas */
.grid--temores .fear{display:flex;flex-direction:column}
.fear__a{flex:1}

/* Case line con separadores */
.case__line .sep{color:var(--gris-300);font-weight:400}

/* Footer: textos un poco más grandes y legibles */
.footer p{font-size:1rem}
.footer__bottom,.footer ul li a{font-size:.9rem}
.footer .small{font-size:.92rem}

/* Alineación y equilibrio de tarjetas principales */
.grid--principales .card{display:flex;flex-direction:column}
.grid--principales .card .card__link{margin-top:auto;padding-top:1rem}
.grid--complementarios .card{display:flex;flex-direction:column}
.grid--complementarios .card .card__link{margin-top:auto;padding-top:1rem}

/* Especialidades: 2x2 equilibrado en pantallas anchas */
@media (min-width:960px){.grid--principales{grid-template-columns:1fr 1fr}}

/* ---------- 15. Caso real SEC: empalme fotográfico ---------- */
.caso-real{margin-top:2rem;border-top:1px solid var(--gris-100);padding-top:1.6rem}
.caso-real .eyebrow{margin-top:0}
.antes-despues{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;margin:1.2rem 0 1.6rem}
.ad-card{margin:0;background:#fff;border:1px solid var(--gris-100);border-radius:18px;overflow:hidden;box-shadow:0 10px 30px rgba(10,26,47,.07)}
.ad-card figure{margin:0}
.ad-card .zoombtn{display:block;width:100%}
.ad-card .zoombtn img{width:100%;height:320px;object-fit:cover;display:block}
.ad-card figcaption{padding:1rem 1.1rem 1.2rem;display:grid;gap:.3rem}
.ad-card figcaption b{font-size:1.15rem;color:var(--azul-900);letter-spacing:-.01em}
.ad-card figcaption span{font-size:.92rem;color:var(--gris-600)}
.ad-card--ok{border-color:#22c55e;box-shadow:0 10px 30px rgba(34,197,94,.15)}

.caso-inline{font-size:1.4rem;color:var(--azul-900);margin:0 0 1.1rem;font-weight:800;letter-spacing:-.01em}
.timeline{position:relative;margin-bottom:.2rem}
.t-step:last-of-type{margin-bottom:1rem}
.timeline::before{content:"";position:absolute;left:20px;top:0;bottom:0;width:2px;background:var(--gris-100);display:none}
.t-step{display:grid;grid-template-columns:1fr;gap:.9rem;margin-bottom:1.4rem;align-items:center}
.t-step__foto{border-radius:16px;overflow:hidden;box-shadow:0 8px 24px rgba(10,26,47,.09);position:relative}
.t-step__foto .zoombtn{display:block;width:100%}
.t-step__foto .zoombtn img{width:100%;height:240px;object-fit:cover;display:block}
.t-step__num{display:inline-block;background:var(--azul-900);color:#fff;font-weight:800;font-size:.78rem;letter-spacing:.06em;padding:.35rem .85rem;border-radius:999px;margin-bottom:.7rem}
.t-step__txt p{margin:0;font-size:1rem;color:var(--gris-600);line-height:1.65}
.t-mini{display:grid;grid-template-columns:1fr 1fr;gap:.6rem;margin-top:.5rem}
.t-mini .zoombtn{border-radius:10px;overflow:hidden;border:1px solid var(--gris-100)}
.t-mini .zoombtn img{width:100%;height:110px;object-fit:cover;display:block}

@media (min-width:768px){
  .t-step{grid-template-columns:2fr 3fr;gap:1.8rem}
  .t-step:nth-child(even){grid-template-columns:2fr 3fr}
  .t-step:nth-child(even) .t-step__foto{order:-1}
  .t-step__foto .zoombtn img{height:280px}
  .t-mini .zoombtn img{height:90px}
}
@media (max-width:767px){
  .antes-despues{grid-template-columns:1fr;gap:1rem}
  .ad-card .zoombtn img{height:260px}
}

.caso-cta{background:var(--azul-950);color:#fff;border-radius:20px;padding:1.8rem 2rem 2rem;text-align:center;margin-top:.4rem}
.caso-cta h3{font-size:1.55rem;margin:0 0 .7rem;color:#fff;letter-spacing:-.01em}
.caso-cta p{font-size:1.05rem;color:#dbe7ff;margin:0 0 1.4rem;max-width:52ch;margin-left:auto;margin-right:auto}
.caso-cta__btns{display:flex;gap:.9rem;justify-content:center;flex-wrap:wrap}
.caso-cta .btn--wsp{background:#fff;color:#065f46;box-shadow:none;font-weight:800}
.caso-cta .btn--wsp:hover{background:#eaf1ff}

/* ---------- 16. Caso real solar on-grid (solo estilos propios del bloque) ---------- */
.caso--solar .sc-main{margin:1.4rem 0 1.6rem;background:#fff;border:1px solid var(--gris-100);border-radius:18px;overflow:hidden;box-shadow:0 10px 30px rgba(10,26,47,.07)}
.sc-main .zoombtn{display:block;width:100%}
.sc-main .zoombtn img{width:100%;height:auto;display:block}
.sc-main figcaption{padding:1rem 1.2rem 1.2rem;font-size:.95rem;color:var(--gris-600);line-height:1.6;margin:0}
.sc-cta p{font-size:1.15rem;font-weight:700;color:var(--azul-900);margin:1.6rem 0 .9rem}
@media (max-width:767px){
  .caso--solar .sc-main{margin:1.1rem 0 1.3rem}
}

/* ---------- 17. Alternativas de empalme interactivas (details nativo, sin librerías) ---------- */
details.empalme-item{display:block;padding:0;overflow:hidden;transition:border-color .2s ease}
details.empalme-item:hover{border-color:rgba(255,255,255,.35)}
details.empalme-item[open]{border-color:var(--amarillo);background:rgba(255,255,255,.09)}
details.empalme-item>summary{display:flex;gap:.8rem;align-items:flex-start;padding:.9rem 1rem;cursor:pointer;list-style:none;user-select:none}
details.empalme-item>summary::-webkit-details-marker{display:none}
details.empalme-item>summary:focus-visible{outline:2px solid var(--amarillo);outline-offset:-2px;border-radius:14px}
.empalme-item__head{flex:1}
.empalme-item__head i{font-style:normal;color:var(--amarillo);font-size:.85rem;font-weight:700}
.empalme-item__icono{flex:none;width:26px;height:26px;border-radius:8px;border:1px solid rgba(255,255,255,.25);color:#fff;display:grid;place-items:center;font-weight:700;font-size:1rem;line-height:1;transition:transform .2s ease,border-color .2s ease}
details.empalme-item[open] .empalme-item__icono{transform:rotate(45deg);border-color:var(--amarillo);color:var(--amarillo)}
.empalme-item__body{padding:.4rem 1.1rem 1rem 3.9rem}
.empalme-item__body p{margin:0 0 .75rem;font-size:.93rem;line-height:1.65;color:#dbe7ff}
.empalme-item__body p:last-child{margin-bottom:0}
.empalme-item__nota{border-left:3px solid var(--amarillo);padding:.1rem 0 .1rem .9rem;font-size:.87rem;color:#bcd0f5}
.empalme-item .n{flex:none}
@media (prefers-reduced-motion:reduce){
  details.empalme-item,.empalme-item__icono{transition:none}
}

/* ---------- 18. Caso empalme 4 etapas: fotos complementarias por etapa ---------- */
.t-step__foto{grid-area:foto}
.t-step__txt{grid-area:txt}
.t-step__extra{grid-area:extra;display:grid;gap:.6rem}
.t-step__extra--duo{grid-template-columns:1fr 1fr}
.t-step__extra .zoombtn{display:block;width:100%;border-radius:12px;overflow:hidden;border:1px solid var(--gris-100);box-shadow:0 6px 18px rgba(10,26,47,.07)}
.t-step__extra .zoombtn img{width:100%;object-fit:cover;display:block}
.t-step__extra>.zoombtn img{height:150px}
.t-step__extra--duo .zoombtn img{height:110px}
@media (min-width:768px){
  .t-step{grid-template-areas:"foto txt" "extra txt"}
  .t-step__extra>.zoombtn img{height:200px}
  .t-step__extra--duo .zoombtn img{height:140px}
}

/* ---------- 19. Reseñas de clientes (se muestra solo con reseñas reales en js/reviews.js) ---------- */
.reviews-grid{display:grid;grid-template-columns:1fr;gap:1.1rem;margin-top:1.6rem}
@media (min-width:768px){.reviews-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1100px){.reviews-grid{grid-template-columns:repeat(3,1fr)}}

.review-card{background:#fff;border:1px solid var(--gris-100);border-radius:16px;padding:1.35rem 1.45rem;display:flex;flex-direction:column;gap:.75rem;box-shadow:0 8px 24px rgba(10,26,47,.06);position:relative;overflow:hidden}
.review-card::before{content:"\201C";position:absolute;top:.05rem;right:1rem;font-size:3.6rem;line-height:1;font-family:Georgia,serif;color:var(--azul-electrico);opacity:.12;pointer-events:none}
.review-card--extra{display:none}
.reviews-grid.is-open .review-card--extra{display:flex}

.review-card__head{display:flex;align-items:center;gap:.75rem}
.review-card__avatar{flex:none;width:42px;height:42px;border-radius:50%;background:var(--azul-900);color:var(--dorado);display:grid;place-items:center;font-weight:800;font-size:1.05rem}
.review-card__name{margin:0;font-weight:800;color:var(--azul-900);font-size:1rem;line-height:1.25}
.review-card__service{display:block;font-size:.84rem;color:var(--gris-600);margin-top:.1rem}

.review-card__stars{font-size:1.05rem;letter-spacing:.15em}
.review-card__stars .on{color:var(--dorado-oscuro)}
.review-card__stars .off{color:var(--gris-300)}

.review-card__text{margin:0;font-size:.97rem;line-height:1.7;color:var(--gris-900)}

.review-card__meta{margin-top:auto;display:flex;flex-wrap:wrap;align-items:center;gap:.5rem .6rem;padding-top:.6rem;border-top:1px solid var(--gris-100);font-size:.8rem;color:var(--gris-600)}
.review-card__chip{background:var(--celeste);color:var(--azul-700);font-weight:700;font-size:.78rem;padding:.28rem .7rem;border-radius:999px}

.reviews-actions{display:flex;gap:.8rem;flex-wrap:wrap;justify-content:center;margin-top:1.6rem}
.reviews-cta{margin-top:2.2rem}

/* ---------- 20. Invitación a dejar reseña en Google (escribe en el perfil oficial; nada local) ---------- */
.reviews-write{margin-top:1.8rem;background:var(--celeste);border:1px solid rgba(15,107,255,.18);border-radius:18px;padding:1.7rem 1.6rem 1.8rem;text-align:center}
.reviews-write h3{font-size:1.4rem;margin:0 0 .5rem;color:var(--azul-900)}
.reviews-write p{margin:0 0 1.25rem;color:var(--gris-600);font-size:1rem;max-width:52ch;margin-left:auto;margin-right:auto}
.reviews-write__btns{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap}
.reviews-write .btn svg{flex:none;display:block}
@media (max-width:420px){
  .reviews-write{padding:1.4rem 1.1rem 1.5rem}
  .reviews-write h3{font-size:1.25rem}
}