/* ============================================================================
 * Venta Solar A Estrada · stylesheet
 * ========================================================================= */
:root{
  --brand:#0a7c66;
  --brand-dark:#0a6c5d;
  --accent:#145b9f;
  --text:#0f172a;
  --muted:#475569;
  --bg:#fff;
  --border:#e5e7eb;
  --card-border:#d7dbe6;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg)}
img,picture{max-width:100%;height:auto}
a{color:var(--accent);text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* Skip link */
.skip-link{position:absolute;left:-9999px;top:auto}
.skip-link:focus{position:fixed;left:12px;top:12px;z-index:10000;background:#0f172a;color:#fff;padding:.6rem .9rem;border-radius:8px}
.screen-reader-text{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.container{max-width:1100px;margin:0 auto;padding:0 1rem}

/* Topbar + lang switcher */
.vsol-topbar{background:#0f172a;color:#fff;font-size:.9rem}
.vsol-topbar .container{display:flex;justify-content:flex-end;padding-top:.4rem;padding-bottom:.4rem}
.vsol-lang-switcher{display:inline-flex;align-items:center;gap:.4rem}
.vsol-lang-switcher a{color:#cbd5e1;padding:.15rem .5rem;border-radius:6px;font-weight:600;letter-spacing:.03em}
.vsol-lang-switcher a.is-active,.vsol-lang-switcher a[aria-current="true"]{background:var(--brand);color:#fff}
.vsol-lang-switcher a:hover{color:#fff}

/* Hero con WebP */
.hero{position:relative;min-height:72vh;display:flex;align-items:center;justify-content:center;color:#fff;text-align:center;overflow:hidden;padding:6rem 0}
.hero .bg{position:absolute;inset:0;background:rgba(0,0,0,.35);z-index:1}
.hero::before{content:"";position:absolute;inset:0;
  background-image:url('images/Hero-1200w.jpg');
  background-image:-webkit-image-set(url('images/Hero-1200w.webp') type('image/webp') 1x, url('images/Hero-1200w.jpg') type('image/jpeg') 1x);
  background-image:image-set(url('images/Hero-1200w.webp') type('image/webp') 1x, url('images/Hero-1200w.jpg') type('image/jpeg') 1x);
  background-size:cover;background-position:center;transform:scale(1.03);filter:brightness(.78)
}
.hero .container{position:relative;z-index:2}
.hero h1{font-size:clamp(2rem,5vw,3.8rem);margin:0 0 .5rem;line-height:1.15;text-shadow:0 2px 12px rgba(0,0,0,.35)}
.hero p.sub{font-size:clamp(1rem,2.4vw,1.35rem);opacity:.95;margin:.25rem auto 1.25rem;max-width:62ch;text-shadow:0 2px 10px rgba(0,0,0,.35)}
.cta{display:inline-block;background:var(--brand);color:#fff;padding:.9rem 1.2rem;border-radius:12px;font-weight:700;border:1px solid var(--brand-dark);box-shadow:0 2px 0 rgba(10,108,93,.8)}
.cta:hover{filter:brightness(1.05)}
.badges{display:flex;gap:.6rem;flex-wrap:wrap;justify-content:center;margin-top:1rem}
.badges span{background:rgba(255,255,255,.2);padding:.4rem .7rem;border-radius:999px;font-size:.9rem;border:1px solid rgba(255,255,255,.25);backdrop-filter:blur(2px)}

/* Secciones */
.section{padding:3.2rem 0;border-top:1px solid #f0f2f5}
.section h2{font-size:clamp(1.6rem,2.8vw,2rem);margin:.2rem 0 1rem}
.grid{display:grid;gap:1rem}
.features{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.card{background:#fff;border:1.5px solid var(--card-border);border-radius:16px;padding:1.1rem;box-shadow:0 1px 4px rgba(0,0,0,.04)}
.card h3{margin:.2rem 0 .6rem;font-size:1.05rem}
.note{background:#f1f5f9;border-left:4px solid var(--brand);padding:1rem;border-radius:8px;color:var(--muted)}

/* Galería masonry */
.gallery{column-width:300px;column-gap:12px}
.gallery figure{break-inside:avoid;margin:0 0 12px;border-radius:14px;overflow:hidden;border:1px solid var(--border);background:#fff}
.gallery img{width:100%;height:auto;display:block}

/* Mapa */
.map-wrap{display:block}
iframe.map{width:100%;height:560px;border:0;border-radius:12px;display:block}
@media(max-width:640px){iframe.map{height:360px}}

/* Facade del mapa (carga diferida de Google Maps) */
.map-facade{
  position:relative;width:100%;height:560px;border-radius:12px;overflow:hidden;cursor:pointer;
  background:
    radial-gradient(ellipse at 30% 40%, #c8dfd8 0%, transparent 60%),
    radial-gradient(ellipse at 70% 60%, #b8cfc7 0%, transparent 55%),
    linear-gradient(180deg, #dfe9e5 0%, #c9d7d2 100%);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.6rem;
  border:1.5px solid var(--card-border);
  transition:filter .15s;
}
.map-facade::before{
  content:"";position:absolute;inset:0;opacity:.35;pointer-events:none;
  background-image:
    linear-gradient(rgba(10,124,102,.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10,124,102,.15) 1px, transparent 1px);
  background-size:40px 40px,40px 40px;
}
.map-facade:hover,.map-facade:focus-visible{filter:brightness(1.03);outline:none}
.map-facade:focus-visible{box-shadow:0 0 0 4px rgba(10,124,102,.25)}
.map-facade-pin{position:relative;z-index:1;filter:drop-shadow(0 4px 10px rgba(0,0,0,.25))}
.map-facade-txt{position:relative;z-index:1;text-align:center;background:rgba(255,255,255,.92);padding:.75rem 1.1rem;border-radius:10px;border:1px solid rgba(10,124,102,.25);box-shadow:0 2px 8px rgba(0,0,0,.08)}
.map-facade-txt strong{display:block;color:var(--brand);font-size:1.05rem}
.map-facade-txt span{display:block;font-size:.9rem;color:var(--muted);margin-top:.15rem}
@media(max-width:640px){.map-facade{height:360px}}

/* Carrusel zona */
.zone-carousel{position:relative;margin-top:10px}
.zc-track{display:flex;gap:10px;overflow-x:auto;scroll-behavior:smooth;padding:2px;scroll-snap-type:x mandatory}
.zc-track a{scroll-snap-align:start}
.zc-track a img{display:block;width:220px;height:140px;object-fit:cover;border-radius:10px;border:1px solid var(--border)}
.zc{position:absolute;top:50%;transform:translateY(-50%);background:rgba(0,0,0,.55);color:#fff;border:1px solid rgba(255,255,255,.25);
    border-radius:10px;padding:.35rem .6rem;cursor:pointer;user-select:none;font-size:1.4rem;line-height:1}
.zc.prev{left:6px}
.zc.next{right:6px}
@media(max-width:640px){.zc{display:none}}

/* Footer */
.site-footer{padding:2rem 0;background:#0f172a;color:#e2e8f0;margin-top:2rem}
.site-footer a{color:#fff;text-decoration:underline}

/* Formulario */
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:.8rem;margin:.6rem 0}
.styled-form .form-grid{grid-template-columns:repeat(3,1fr)}
@media(max-width:900px){.styled-form .form-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.styled-form .form-grid{grid-template-columns:1fr}}
.field label{font-weight:700;letter-spacing:.1px;display:block}
.field input,.field textarea,input,textarea{
  width:100%;background:#fff;border:1.6px solid #cdd5e1;border-radius:14px;padding:.85rem .95rem;font:inherit;
  box-shadow:inset 0 0 0 0 rgba(0,0,0,0);transition:border-color .15s, box-shadow .15s;
}
textarea{resize:vertical}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(10,124,102,.08);
}
.form-msg{margin-top:.4rem;font-size:.95rem;color:var(--muted);min-height:1.2em}
.form-msg.ok{color:#065f46}
.form-msg.err{color:#b91c1c}

/* Float call */
.float-call{position:fixed;right:16px;bottom:18px;background:var(--brand);color:#fff;
  padding:.7rem .95rem;border-radius:999px;display:flex;align-items:center;gap:.55rem;
  box-shadow:0 10px 28px rgba(0,0,0,.25);z-index:9998;font-weight:700}
.float-call:hover{filter:brightness(1.05)}
@media (max-width:520px){.float-call span{display:none}.float-call{padding:.7rem;border-radius:999px}}
@media print{.float-call{display:none}.vsol-topbar{display:none}iframe.map{display:none}}

/* Lightbox */
.lb{position:fixed;inset:0;background:rgba(0,0,0,.92);display:flex;align-items:center;justify-content:center;z-index:9999;opacity:0;transition:.15s opacity ease}
.lb.show{opacity:1}
.lb img{max-width:92vw;max-height:86vh;border-radius:12px;box-shadow:0 10px 40px rgba(0,0,0,.4)}
.lb .nav{position:absolute;top:50%;transform:translateY(-50%);font-size:42px;line-height:1;padding:.5rem 1rem;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.25);border-radius:12px;cursor:pointer;user-select:none;color:#fff}
.lb .prev{left:16px}
.lb .next{right:16px}
.lb .close{position:absolute;top:16px;right:16px;font-size:32px;padding:.35rem .6rem;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.25);border-radius:10px;cursor:pointer;color:#fff}
.lb .counter{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);color:#e5e7eb;font-size:.95rem;background:rgba(255,255,255,.08);padding:.25rem .6rem;border-radius:999px;border:1px solid rgba(255,255,255,.25)}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
}