:root{
  --bg:#0b1220;
  --card:#0f172a;
  --muted:#94a3b8;
  --text:#e2e8f0;
  --brand:#22c55e; /* teal/green accent */
  --brand-2:#0ea5e9; /* sky */
  --shadow:0 10px 30px rgba(0,0,0,.25);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cairo,Inter,Arial,sans-serif}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand)}
.container{max-width:1200px;margin:0 auto;padding:24px}

.navbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 0;
}
.navbar .brand{display:flex;gap:12px;align-items:center;text-decoration:none}
.navbar .brand img{
  height:72px;width:auto;max-width:177px;border-radius:8px;box-shadow:var(--shadow);display:block;
}
@media (max-width:980px){.navbar .brand img{height:56px;max-width:unset}}
@media (max-width: 980px){
  .navbar .brand img{
  height:72px;width:auto;max-width:177px;border-radius:8px;box-shadow:var(--shadow);display:block;
}
@media (max-width:980px){.navbar .brand img{height:56px;max-width:unset}}
}
.navbar .brand span{
  font-weight:800;
  font-size:1.25rem;
  letter-spacing:.2px;
  line-height:1;
  font-family:"Cairo","Inter",system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Arial,sans-serif;
}
.navbar .links a{margin-inline-start:18px;text-decoration:none;color:var(--text);opacity:.9}
.navbar .links a.button{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  padding:10px 16px;border-radius:12px;color:white;font-weight:700;box-shadow:var(--shadow)
}

.hero{
  background: radial-gradient(1000px 600px at 50% -200px, rgba(14,165,233,.25), transparent 60%),
              radial-gradient(900px 500px at 90% 0, rgba(34,197,94,.18), transparent 60%);
  border:1px solid rgba(255,255,255,.06);
  border-radius:24px;box-shadow:var(--shadow);
  overflow:hidden;margin-top:12px;
}
.hero-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;padding:32px}
.hero h1{font-size:2.2rem;margin:0 0 10px 0;line-height:1.2}
.hero p{color:var(--muted);margin:0 0 20px 0}
.hero .ctas{display:flex;gap:12px;flex-wrap:wrap}
.btn{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;text-decoration:none;padding:12px 18px;border-radius:12px;font-weight:700;box-shadow:var(--shadow)
}
.btn.secondary{background:#1f2937}
.hero .media{border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.08)}

.section{margin-top:48px}
.section h2{font-size:1.8rem;margin-bottom:8px}
.section p.lead{color:var(--muted);margin-top:0}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--card);border:1px solid rgba(255,255,255,.06);border-radius:18px;padding:18px;box-shadow:var(--shadow)}
.card h3{margin:0 0 8px 0;font-size:1.1rem}
.card p{margin:0;color:var(--muted)}

.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.gallery a{display:block;border-radius:12px;overflow:hidden;border:1px solid rgba(255,255,255,.08);transform:translateZ(0)}
.gallery a:hover{filter:brightness(1.08)}

.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:12px}
.feature-item{display:flex;gap:10px;align-items:flex-start;background:var(--card);border:1px solid rgba(255,255,255,.06);padding:12px;border-radius:12px}
.feature-item .icon{font-size:20px;line-height:1}

.accordion{margin-top:16px}
.accordion details{background:var(--card);border:1px solid rgba(255,255,255,.06);border-radius:12px;margin-bottom:10px;padding:12px}
.accordion summary{cursor:pointer;font-weight:600}

.specs{display:grid;grid-template-columns:1fr 2fr;gap:10px}
.specs .row{display:contents}
.specs .row div{background:var(--card);border:1px solid rgba(255,255,255,.06);padding:10px}
.specs .row div:first-child{font-weight:600}

.cta-box{display:flex;gap:12px;flex-wrap:wrap;background:var(--card);border:1px solid rgba(255,255,255,.06);border-radius:14px;padding:16px;margin-top:16px}

footer{margin-top:64px;padding:24px 0;color:var(--muted);border-top:1px dashed rgba(255,255,255,.12)}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:18px}
footer a{color:var(--muted);text-decoration:none}
footer a:hover{color:var(--text)}

.badge{display:inline-block;padding:4px 10px;border-radius:999px;background:rgba(34,197,94,.15);border:1px solid rgba(34,197,94,.25);color:#d1fae5;font-size:.8rem}

.lang-switch{opacity:.8;text-decoration:none}
.small{font-size:.9rem;color:var(--muted)}

@media (max-width: 980px){
  .hero-inner{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr 1fr}
  footer .cols{grid-template-columns:1fr}
  .feature-list{grid-template-columns:1fr}
}


/* === Contact Form & Floating WhatsApp === */
.form{display:grid;gap:12px;margin-top:12px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form label{display:block;font-weight:600;margin-bottom:6px}
.form input,.form textarea{width:100%;padding:12px;border-radius:10px;border:1px solid rgba(255,255,255,.1);background:#0b1220;color:#e2e8f0}
.form textarea{min-height:130px;resize:vertical}
.form .actions{display:flex;gap:12px;flex-wrap:wrap}
.alert{padding:10px 12px;border-radius:10px}
.alert.success{background:rgba(34,197,94,.15);border:1px solid rgba(34,197,94,.3);color:#d1fae5}
.alert.error{background:rgba(239,68,68,.15);border:1px solid rgba(239,68,68,.3);color:#fee2e2}

.fab-whatsapp{
  position:fixed;right:20px;bottom:20px;
  width:58px;height:58px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#25D366;color:#fff;font-weight:900;
  box-shadow:0 10px 24px rgba(0,0,0,.3);
  text-decoration:none;font-size:26px;line-height:1;z-index:999;
}
.fab-whatsapp:hover{filter:brightness(1.1)}
.small-muted{font-size:.85rem;color:#94a3b8}


html[data-theme="light"]{
  --bg:#f7fafc;
  --card:#ffffff;
  --muted:#475569;
  --text:#0f172a;
  --brand:#16a34a;
  --brand-2:#0284c7;
  --shadow:0 6px 20px rgba(0,0,0,.08);
}
html[data-theme="light"] .navbar .links a{color:var(--text);opacity:.8}
html[data-theme="light"] .btn.secondary{background:#e2e8f0;color:#0f172a}
html[data-theme="light"] .hero{border-color:rgba(0,0,0,.06)}
html[data-theme="light"] .card{border-color:rgba(0,0,0,.06)}
html[data-theme="light"] .gallery a{border-color:rgba(0,0,0,.08)}
html[data-theme="light"] input, html[data-theme="light"] textarea{background:#ffffff;border-color:#e2e8f0;color:#0f172a}
html[data-theme="light"] footer{border-top-color:rgba(0,0,0,.1)}


.theme-toggle{
  margin-inline-start:12px;border:1px solid rgba(255,255,255,.18);
  background:transparent;color:var(--text);padding:8px 12px;border-radius:10px;
  cursor:pointer
}
html[data-theme="light"] .theme-toggle{border-color:#e2e8f0}