/* Macht Solar V3.3 */
:root{
  --bg:#020912;--bg2:#061320;--surface:#091827;--surface2:#0d1e31;
  --line:rgba(255,255,255,.09);--text:#fff;--soft:#c9d4df;--muted:#aeb8c4;
  --blue:#158bff;--blue2:#00a7ff;--green:#25d366;--max:1240px;
  --shadow:0 18px 42px rgba(0,0,0,.28)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;min-width:320px;font-family:Arial,Helvetica,sans-serif;
  background:linear-gradient(180deg,#020811,#061320 45%,#020912);
  color:var(--text);line-height:1.5
}
body.modal-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%}
.container{width:min(92%,var(--max));margin:auto}

.site-header{
  position:fixed;
  inset:0 0 auto;
  z-index:80;
  background:rgba(2,9,18,.18);
  backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(255,255,255,.05);
  transition:background .28s ease, box-shadow .28s ease, border-color .28s ease, backdrop-filter .28s ease
}
.site-header.is-scrolled{
  background:rgba(2,9,18,.92);
  backdrop-filter:blur(14px);
  border-bottom-color:rgba(255,255,255,.08);
  box-shadow:0 10px 30px rgba(0,0,0,.24)
}
.nav-wrap{min-height:80px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand img{width:175px}
.site-nav{display:flex;align-items:center;gap:24px}
.site-nav>a{font-size:.95rem;color:#eff5fb}
.site-nav>a:hover{color:var(--blue)}
.social-links{display:flex;align-items:center;gap:9px;margin-left:2px}
.social-links a{
  width:38px;height:38px;border:1px solid var(--line);border-radius:11px;
  display:grid;place-items:center;background:rgba(255,255,255,.03);
  color:#f5f8fc;transition:.2s
}
.social-links a:hover{color:var(--blue);border-color:rgba(21,139,255,.45);transform:translateY(-1px)}
.social-links svg{width:18px;height:18px;fill:currentColor}

.btn{
  display:inline-flex;align-items:center;justify-content:center;min-height:50px;
  padding:.85rem 1.4rem;border-radius:14px;font-weight:700;transition:.2s;
  border:0;color:#fff
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:linear-gradient(90deg,var(--blue),var(--blue2));box-shadow:0 12px 28px rgba(21,139,255,.2)}
.btn-secondary{border:1px solid rgba(255,255,255,.22);background:rgba(0,0,0,.12)}
.btn-full{width:100%}

.menu-toggle{
  display:none;background:none;border:1px solid var(--line);border-radius:12px;
  width:46px;height:46px
}
.menu-toggle span{display:block;width:22px;height:2px;background:#fff;margin:5px auto}

.hero{position:relative;min-height:760px;overflow:hidden;background:#03101d}
.hero-bg{
  position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(2,9,16,.97) 0%,rgba(3,14,25,.88) 23%,rgba(5,18,31,.53) 45%,rgba(5,18,31,.08) 70%),
    url('../assets/hero-residencial.jpg') center/cover no-repeat
}
.hero-shade{
  position:absolute;inset:0;
  background:radial-gradient(circle at 12% 6%,rgba(21,139,255,.18),transparent 28%),
             linear-gradient(180deg,rgba(1,7,12,.05),rgba(1,7,12,.42))
}
.hero-inner{
  position:relative;z-index:2;min-height:760px;display:flex;align-items:center;
  padding-top:112px;padding-bottom:46px
}
.hero-copy{max-width:700px}
.eyebrow,.section-kicker,.modal-kicker{
  margin:0 0 .85rem;color:var(--blue);font-size:.82rem;font-weight:700;
  letter-spacing:.22em;text-transform:uppercase
}
.hero h1{
  margin:0 0 1rem;font-size:clamp(3rem,6vw,5.3rem);line-height:.96;
  letter-spacing:-.045em
}
.hero h1 span{color:var(--blue)}
.hero-text{margin:0 0 1.6rem;max-width:590px;color:var(--soft);font-size:1.08rem}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:24px}

.hero-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:780px}
.hero-card{
  padding:18px;background:rgba(6,19,33,.76);border:1px solid rgba(255,255,255,.09);
  border-radius:18px;backdrop-filter:blur(10px);box-shadow:var(--shadow)
}
.hero-card h3{margin:10px 0 6px;font-size:1rem}
.hero-card p{margin:0;color:var(--soft);font-size:.92rem}
.icon-box{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(21,139,255,.12);color:var(--blue)
}
.icon-box svg{width:21px;height:21px}

.section{padding:78px 0}
.section-alt{background:rgba(255,255,255,.018)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;flex-wrap:wrap;margin-bottom:28px}
.section-head h2,.why-grid h2,.cta-box h2{
  margin:0;font-size:clamp(2rem,3.6vw,3rem);line-height:1.1
}
.section-note{margin:0;color:var(--muted);max-width:420px}

.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.service-card,.project-card{
  overflow:hidden;border:1px solid var(--line);border-radius:20px;
  background:var(--surface);box-shadow:var(--shadow)
}
.service-card img,.project-card img{width:100%;height:220px;object-fit:cover}
.card-body{padding:20px}
.card-body h3{margin:0 0 8px}
.card-body p{margin:0;color:var(--soft)}

.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step{padding:22px;border:1px solid var(--line);border-radius:18px;background:var(--surface)}
.step>span{
  display:grid;place-items:center;width:46px;height:46px;border-radius:50%;
  background:linear-gradient(135deg,var(--blue),var(--blue2));font-weight:800;margin-bottom:14px
}
.step h3{margin:0 0 7px}
.step p{margin:0;color:var(--soft)}

.why-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:start}
.check-list{list-style:none;margin:24px 0 0;padding:0;display:grid;gap:12px}
.check-list li{position:relative;padding-left:28px;color:var(--soft)}
.check-list li:before{content:'✓';position:absolute;left:0;color:var(--blue);font-weight:800}
.why-panel{display:grid;gap:14px}
.why-panel div{padding:20px;border:1px solid var(--line);border-radius:18px;background:var(--surface)}
.why-panel strong,.why-panel span{display:block}
.why-panel span{margin-top:5px;color:var(--soft)}

.tag{
  display:inline-block;padding:.3rem .65rem;border-radius:999px;background:rgba(21,139,255,.12);
  color:var(--blue);font-size:.86rem;font-weight:700;margin-bottom:10px
}
.project-card small{display:block;margin-top:10px;color:var(--muted)}

.faq-list{display:grid;gap:12px}
.faq-item{overflow:hidden;border:1px solid var(--line);border-radius:16px;background:var(--surface)}
.faq-question{
  width:100%;display:flex;justify-content:space-between;gap:12px;padding:18px 20px;
  border:0;background:transparent;color:#fff;text-align:left;font-weight:700
}
.faq-question span{color:var(--blue);font-size:1.4rem}
.faq-answer{display:none;padding:0 20px 18px}
.faq-answer p{margin:0;color:var(--soft)}
.faq-item.open .faq-answer{display:block}

.cta-box{
  display:grid;grid-template-columns:1.35fr auto;gap:24px;align-items:center;
  padding:28px;border:1px solid var(--line);border-radius:24px;
  background:linear-gradient(135deg,rgba(10,30,50,.96),rgba(4,15,27,.96));
  box-shadow:var(--shadow)
}
.cta-box p{color:var(--soft)}





.site-footer{padding:30px 0;border-top:1px solid var(--line)}



.footer-inner p,


.whatsapp-float{
  position:fixed;
  right:22px;
  bottom:22px;
  z-index:50;
  width:58px;
  height:58px;
  display:grid;
  place-items:center;
  padding:0;
  border-radius:50%;
  background:var(--green);
  color:#fff;
  box-shadow:0 14px 35px rgba(0,0,0,.35);
  transition:bottom .25s ease, transform .2s ease, box-shadow .2s ease
}
.whatsapp-float:hover{
  transform:translateY(-2px);
  box-shadow:0 18px 40px rgba(0,0,0,.4)
}
.whatsapp-float__icon{
  width:32px;
  height:32px;
  display:grid;
  place-items:center
}
.whatsapp-float__icon svg{
  width:30px;
  height:30px;
  fill:#fff
}

.modal{
  position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:20px
}
.modal.is-open{display:flex}
.modal-backdrop{position:absolute;inset:0;background:rgba(0,5,11,.76);backdrop-filter:blur(7px)}
.modal-card{
  position:relative;z-index:1;width:min(100%,640px);max-height:min(90vh,820px);overflow:auto;
  background:linear-gradient(180deg,#0a1a2b,#071421);border:1px solid rgba(255,255,255,.11);
  border-radius:24px;padding:28px;box-shadow:0 25px 80px rgba(0,0,0,.55)
}
.modal-card--calculator{width:min(100%,560px)}
.modal-card h2{margin:0 0 9px;font-size:clamp(1.65rem,4vw,2.35rem);line-height:1.08}
.modal-intro{margin:0 0 22px;color:var(--soft)}
.modal-close{
  position:absolute;right:15px;top:12px;width:40px;height:40px;border:0;border-radius:50%;
  background:rgba(255,255,255,.06);color:#fff;font-size:1.8rem;line-height:1
}
.modal-close:hover{background:rgba(255,255,255,.12)}

.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
.field-group{display:grid;gap:7px;margin-bottom:14px}
.field-group--full{grid-column:1/-1}
.field-group label{font-size:.92rem;color:#e8eef5;font-weight:700}
.field-group input,.field-group select,.field-group textarea{
  width:100%;border:1px solid rgba(255,255,255,.12);border-radius:12px;
  background:#06111d;color:#fff;padding:12px 13px;outline:none
}
.field-group textarea{resize:vertical}
.field-group input:focus,.field-group select:focus,.field-group textarea:focus{border-color:rgba(21,139,255,.72);box-shadow:0 0 0 3px rgba(21,139,255,.1)}
.field-group select option{color:#111;background:#fff}
.calc-mode{display:flex;gap:10px;margin-bottom:18px}
.calc-mode label{
  flex:1;display:flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid var(--line);padding:11px;border-radius:12px;background:rgba(255,255,255,.03)
}
.input-suffix,.input-prefix{
  display:flex;align-items:center;border:1px solid rgba(255,255,255,.12);
  border-radius:12px;background:#06111d;overflow:hidden
}
.input-suffix input,.input-prefix input{border:0;border-radius:0;background:transparent;box-shadow:none}
.input-suffix span,.input-prefix span{padding:0 12px;color:var(--muted);white-space:nowrap}
.is-hidden{display:none!important}

.calculator-result{
  margin-top:20px;padding:20px;border-radius:17px;border:1px solid rgba(21,139,255,.26);
  background:rgba(21,139,255,.08)
}
.result-label{display:block;color:var(--muted);font-size:.85rem;text-transform:uppercase;letter-spacing:.12em}
.calculator-result>strong{display:block;font-size:2rem;margin:3px 0 14px}
.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}
.result-grid div{padding:12px;border-radius:12px;background:rgba(0,0,0,.15)}
.result-grid span,.result-grid b{display:block}
.result-grid span{color:var(--muted);font-size:.86rem}
.result-grid b{margin-top:3px}
.calculator-result p{color:var(--soft);font-size:.9rem}

.form-status{min-height:22px;margin:12px 0 0;color:var(--soft);font-size:.92rem}
.toast{
  position:fixed;left:50%;bottom:28px;z-index:200;transform:translate(-50%,20px);
  opacity:0;pointer-events:none;background:#0e2236;border:1px solid var(--line);color:#fff;
  padding:12px 16px;border-radius:12px;box-shadow:var(--shadow);transition:.25s
}
.toast.show{opacity:1;transform:translate(-50%,0)}

@media(max-width:1120px){
  .site-nav{gap:17px}
}
@media(max-width:1050px){
  .hero-cards,.cards-3{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid,.cta-box{grid-template-columns:1fr}
  
}
@media(max-width:900px){
  .menu-toggle{display:block}
  .site-nav{
    display:none;position:absolute;top:80px;left:0;right:0;padding:14px 4%;
    background:#03101d;flex-direction:column;align-items:stretch;gap:0
  }
  .site-nav.open{display:flex}
  .site-nav>a{padding:12px 0;border-bottom:1px solid var(--line)}
  .social-links{padding:15px 0 4px;margin-left:0}
  .hero{min-height:920px}
  .hero-inner{min-height:920px;padding-top:110px}
  .hero-bg{background-position:65% center}
  .hero-cards{grid-template-columns:1fr;max-width:560px}
}
@media(max-width:620px){
  .brand img{width:150px}
  .hero h1{font-size:clamp(2.6rem,12vw,4rem)}
  .hero-actions{flex-direction:column}
  .btn{width:100%}
  .cards-3,.steps-grid{grid-template-columns:1fr}
  .section{padding:62px 0}
  .service-card img,.project-card img{height:200px}
  .form-grid{grid-template-columns:1fr}
  .field-group--full{grid-column:auto}
  .result-grid{grid-template-columns:1fr}
  .whatsapp-float{right:14px;bottom:14px;width:54px;height:54px}
  .whatsapp-float__icon{width:30px;height:30px}
  .whatsapp-float__icon svg{width:28px;height:28px}
}

.site-header.is-scrolled .nav-wrap{
  min-height:70px;
}
.site-header.is-scrolled .brand img{
  width:160px;
}
.nav-wrap,
.brand img{
  transition:min-height .28s ease, width .28s ease;
}

/* V4.0 - Footer simplificado */
.footer-simple{
  min-height:74px;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:20px;
  color:var(--muted);
}
.footer-left{
  justify-self:start;
}
.footer-center{
  justify-self:center;
  display:flex;
  align-items:center;
  gap:8px;
  white-space:nowrap;
}
.footer-center a{
  color:var(--muted);
  transition:color .2s ease;
}
.footer-center a:hover{
  color:var(--blue);
}
.footer-right{
  justify-self:end;
  white-space:nowrap;
}

@media(max-width:720px){
  .footer-simple{
    grid-template-columns:1fr;
    justify-items:center;
    text-align:center;
    padding:10px 0;
  }
  .footer-left,
  .footer-center,
  .footer-right{
    justify-self:center;
  }
}


/* V4.2 - Página de paquetes solares */
.packages-page{
  background:linear-gradient(180deg,#020811,#061320 44%,#020912);
}
.packages-hero{
  padding:150px 0 64px;
  background:
    radial-gradient(circle at 15% 10%,rgba(21,139,255,.18),transparent 30%),
    linear-gradient(180deg,#03101d,#061320);
  border-bottom:1px solid var(--line);
}
.packages-hero h1{
  max-width:880px;
  margin:.35rem 0 1rem;
  font-size:clamp(2.35rem,5vw,4.6rem);
  line-height:1.02;
  letter-spacing:-.045em;
}
.packages-intro{
  max-width:820px;
  margin:0;
  color:var(--soft);
  font-size:1.08rem;
}
.packages-head{align-items:end}
.tech-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}
.tech-card{
  padding:26px;
  border:1px solid var(--line);
  border-radius:20px;
  background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.015));
}
.tech-icon{
  width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;
  margin-bottom:20px;
  background:rgba(21,139,255,.12);
  border:1px solid rgba(21,139,255,.25);
  color:var(--blue);
  font-weight:800;
}
.tech-card h3{margin:0 0 8px;font-size:1.2rem}
.tech-card p{margin:0;color:var(--muted)}
.packages-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.package-card{
  overflow:hidden;
  border-radius:22px;
  border:1px solid var(--line);
  background:linear-gradient(180deg,#0b1a2a,#081522);
  box-shadow:var(--shadow);
}
.package-image{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:#07111d;
}
.package-image::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 48%,rgba(2,9,18,.72));
}
.package-image img{
  width:100%;height:100%;object-fit:cover;
}

.package-body{padding:22px}
.package-body h2{margin:0 0 15px;font-size:1.55rem}
.package-specs{
  display:grid;gap:10px;
  padding:15px 0 18px;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.package-specs p{
  margin:0;display:flex;justify-content:space-between;gap:20px;
  align-items:flex-start;color:var(--muted);font-size:.94rem;
}
.package-specs strong{
  color:#fff;text-align:right;font-size:.95rem;
}
.package-actions{
  display:grid;
  grid-template-columns:1fr;
  gap:9px;
  margin-top:18px;
}
.package-actions a{
  min-height:44px;
  display:flex;align-items:center;justify-content:center;
  padding:.7rem 1rem;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.025);
  font-weight:700;font-size:.93rem;
  transition:.2s;
}
.package-actions a:hover{
  border-color:rgba(37,211,102,.48);
  background:rgba(37,211,102,.08);
  color:#fff;
  transform:translateY(-1px);
}
.packages-disclaimer{
  margin:24px 0 0;
  color:var(--muted);
  font-size:.9rem;
}
.package-cta-box{
  grid-template-columns:1fr auto;
}
.package-cta-box p:not(.section-kicker){
  margin:.55rem 0 0;
  color:var(--muted);
}
.package-calculator-cta .cta-box{
  align-items:center;
}

@media(max-width:980px){
  .packages-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .tech-grid{grid-template-columns:1fr}
  .packages-grid{grid-template-columns:1fr}
  .packages-hero{padding:125px 0 50px}
  .package-cta-box{grid-template-columns:1fr}
  .package-cta-box .btn{width:100%}
}


/* V4.7 - Ajustes finales de acabado */

/* Evita que el header fijo cubra los títulos al navegar por anclas */
section[id]{
  scroll-margin-top:92px;
}

/* Mejor lectura y navegación con teclado */
a, button, input, select, textarea{
  -webkit-tap-highlight-color:transparent;
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible{
  outline:2px solid var(--blue);
  outline-offset:3px;
}

/* Transiciones uniformes */
.btn,
.service-card,
.project-card,
.hero-card,
.tech-card,
.package-card,
.faq-item{
  transition:transform .22s ease, border-color .22s ease, background .22s ease, box-shadow .22s ease;
}

@media (hover:hover) and (pointer:fine){
  .service-card:hover,
  .project-card:hover,
  .tech-card:hover,
  .package-card:hover{
    transform:translateY(-4px);
    border-color:rgba(79,166,255,.28);
  }
  .hero-card:hover{
    transform:translateY(-2px);
    border-color:rgba(79,166,255,.22);
  }
  .btn:hover{
    transform:translateY(-1px);
  }
}

/* Jerarquía más clara de botones secundarios */
.btn-secondary{
  background:rgba(255,255,255,.035);
  border-color:rgba(255,255,255,.16);
}
.btn-secondary:hover{
  background:rgba(255,255,255,.07);
}

/* Tarjetas con alturas y composición más consistentes */
.service-card,
.project-card,
.package-card{
  height:100%;
}
.cards-3 > *,
.projects-grid > *,
.packages-grid > *{
  min-width:0;
}

/* Mejor equilibrio de párrafos secundarios */
.section-note,
.card-body p,
.tech-card p,
.package-specs,
.faq-answer p{
  line-height:1.65;
}

/* FAQ un poco más limpio */
.faq-question{
  min-height:64px;
}
.faq-answer p{
  max-width:900px;
}

/* Modal cómodo en pantallas pequeñas */
.modal-card{
  max-height:calc(100dvh - 32px);
  overflow:auto;
}

/* Ajustes para móviles estrechos */
@media(max-width:480px){
  .container{
    width:min(100% - 28px, var(--container));
  }
  .hero h1{
    font-size:clamp(2.25rem,12vw,3.4rem);
  }
  .hero-actions,
  .package-actions{
    gap:10px;
  }
  .hero-actions .btn{
    width:100%;
  }
  .section{
    padding-top:64px;
    padding-bottom:64px;
  }
  .package-body,
  .card-body,
  .tech-card{
    padding-left:18px;
    padding-right:18px;
  }
  .package-specs p{
    display:grid;
    gap:4px;
  }
  .package-specs strong{
    text-align:left;
  }
  .footer-center{
    white-space:normal;
    flex-wrap:wrap;
    justify-content:center;
  }
}

/* Respeta usuarios que prefieren menos movimiento */
@media(prefers-reduced-motion:reduce){
  *,
  *::before,
  *::after{
    scroll-behavior:auto !important;
    transition:none !important;
    animation:none !important;
  }
}