/* JBMS Solar — Premium Glassmorphism UI */
:root{
  --c1:#1D1D77; --c2:#2B3B92; --c3:#4677C7;
  --bg:#f4f7ff; --surface:#ffffff; --text:#0f172a; --muted:#475569;
  --glass:rgba(255,255,255,.55); --border:rgba(255,255,255,.35);
  --shadow:0 10px 40px -12px rgba(29,29,119,.35);
  --grad:linear-gradient(135deg,var(--c1),var(--c2) 50%,var(--c3));
  --radius:18px; --maxw:1200px;
  --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
[data-theme="dark"]{
  --bg:#0a0f24; --surface:#101632; --text:#f1f5ff; --muted:#a5b4d4;
  --glass:rgba(20,28,60,.55); --border:rgba(255,255,255,.08);
  --shadow:0 10px 40px -12px rgba(0,0,0,.6);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--c3);text-decoration:none}
a:hover{color:var(--c1)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:50px;font-weight:600;border:none;cursor:pointer;font-size:15px;transition:.3s;background:var(--grad);color:#fff;box-shadow:var(--shadow)}
.btn:hover{transform:translateY(-2px);color:#fff}
.btn-outline{background:transparent;color:var(--c2);border:2px solid var(--c2);box-shadow:none}
[data-theme="dark"] .btn-outline{color:#fff;border-color:#fff}

/* NAV */
.nav{position:sticky;top:0;z-index:100;background:var(--glass);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;max-width:var(--maxw);margin:0 auto}
.logo{font-weight:800;font-size:22px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;gap:24px;align-items:center;list-style:none}
.nav-links a{color:var(--text);font-weight:500;font-size:14px}
.nav-links a:hover{color:var(--c2)}
.nav-actions{display:flex;gap:10px;align-items:center}
.icon-btn{background:var(--glass);border:1px solid var(--border);width:40px;height:40px;border-radius:50%;display:grid;place-items:center;cursor:pointer;color:var(--text);font-size:18px}
.menu-toggle{display:none;background:none;border:none;font-size:26px;color:var(--text);cursor:pointer}
@media(max-width:880px){
  .nav-links{position:fixed;top:64px;left:0;right:0;flex-direction:column;background:var(--surface);padding:24px;gap:16px;transform:translateY(-150%);transition:.4s;border-bottom:1px solid var(--border)}
  .nav-links.open{transform:translateY(0)}
  .menu-toggle{display:block}
}

/* HERO */
.hero{position:relative;padding:80px 0 100px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:var(--grad);opacity:.08;z-index:-1}
.hero::after{content:"";position:absolute;top:-100px;right:-100px;width:500px;height:500px;background:var(--grad);border-radius:50%;filter:blur(120px);opacity:.35;z-index:-1}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
.hero h1{font-size:clamp(32px,5vw,56px);font-weight:800;line-height:1.1;margin-bottom:20px}
.hero h1 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:18px;color:var(--muted);margin-bottom:30px;max-width:560px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-card{background:var(--glass);backdrop-filter:blur(20px);border:1px solid var(--border);border-radius:24px;padding:32px;box-shadow:var(--shadow)}
.hero-card h3{margin-bottom:18px;font-size:20px}
.quick-list{list-style:none;display:grid;gap:12px}
.quick-list li{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:12px;background:var(--surface);transition:.2s}
.quick-list li:hover{transform:translateX(4px)}
.quick-list a{color:var(--text);font-weight:500;flex:1}
@media(max-width:880px){.hero-grid{grid-template-columns:1fr}}

/* COUNTERS */
.counters{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin:60px 0}
.counter{background:var(--glass);backdrop-filter:blur(14px);border:1px solid var(--border);border-radius:var(--radius);padding:28px;text-align:center;box-shadow:var(--shadow)}
.counter-num{font-size:36px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.counter-label{color:var(--muted);font-size:14px;margin-top:6px}
@media(max-width:700px){.counters{grid-template-columns:repeat(2,1fr)}}

/* SECTIONS */
section{padding:70px 0}
.section-head{text-align:center;max-width:700px;margin:0 auto 50px}
.section-head h2{font-size:clamp(26px,3.5vw,40px);font-weight:800;margin-bottom:14px}
.section-head p{color:var(--muted);font-size:17px}

/* CARDS */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:.3s;box-shadow:0 4px 20px -8px rgba(29,29,119,.15);position:relative;overflow:hidden}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:.4s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.card:hover::before{transform:scaleX(1)}
.card-icon{width:54px;height:54px;border-radius:14px;background:var(--grad);display:grid;place-items:center;color:#fff;font-size:24px;margin-bottom:18px}
.card h3{font-size:19px;margin-bottom:10px}
.card p{color:var(--muted);font-size:14px;margin-bottom:14px}
.card a{font-weight:600;font-size:14px}

/* CALCULATOR */
.calc-wrap{display:grid;grid-template-columns:1fr 380px;gap:30px;margin-top:30px}
@media(max-width:880px){.calc-wrap{grid-template-columns:1fr}}
.calc-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.calc-box h3{margin-bottom:20px;font-size:20px}
.field{margin-bottom:18px}
.field label{display:block;margin-bottom:6px;font-weight:500;font-size:14px;color:var(--muted)}
.field input,.field select{width:100%;padding:12px 14px;border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:10px;font-size:15px;font-family:var(--font);transition:.2s}
.field input:focus,.field select:focus{outline:none;border-color:var(--c3);box-shadow:0 0 0 3px rgba(70,119,199,.18)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.result-card{background:var(--grad);color:#fff;border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);position:sticky;top:90px;height:fit-content}
.result-card h4{font-size:16px;opacity:.9;margin-bottom:18px;font-weight:500}
.result-item{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.18)}
.result-item:last-child{border:none}
.result-item .v{font-weight:700;font-size:18px}
.result-big{font-size:32px;font-weight:800;margin:14px 0}

/* APPLIANCE TABLE */
.appliance-row{display:grid;grid-template-columns:2fr 1fr 1fr 1fr auto;gap:8px;align-items:end;margin-bottom:10px}
.appliance-row input,.appliance-row select{padding:10px;font-size:14px}
.del-btn{background:#fee;color:#c00;border:none;border-radius:8px;width:38px;height:38px;cursor:pointer;font-size:16px}

/* FAQ */
.faq{max-width:800px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:14px;margin-bottom:12px;overflow:hidden}
.faq-q{padding:18px 22px;cursor:pointer;font-weight:600;display:flex;justify-content:space-between;align-items:center;font-size:16px}
.faq-q::after{content:"+";font-size:22px;color:var(--c2);transition:.3s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:.4s;padding:0 22px;color:var(--muted)}
.faq-item.open .faq-a{max-height:300px;padding:0 22px 18px}

/* TESTIMONIALS */
.test-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px}
.test-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:0 4px 20px -8px rgba(29,29,119,.15)}
.test-card p{font-style:italic;color:var(--muted);margin-bottom:16px}
.test-author{display:flex;align-items:center;gap:12px}
.avatar{width:46px;height:46px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:700}
.test-author strong{display:block}
.test-author span{font-size:13px;color:var(--muted)}

/* CTA */
.cta-band{background:var(--grad);border-radius:24px;padding:50px;text-align:center;color:#fff;margin:40px 0;box-shadow:var(--shadow)}
.cta-band h2{font-size:30px;margin-bottom:10px}
.cta-band p{opacity:.9;margin-bottom:22px}
.cta-band .btn{background:#fff;color:var(--c1)}

/* FOOTER */
footer{background:var(--c1);color:#cfd6ff;padding:60px 0 20px;margin-top:60px}
[data-theme="dark"] footer{background:#060a1c}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;margin-bottom:40px}
.foot-grid h4{color:#fff;margin-bottom:16px;font-size:16px}
.foot-grid a{color:#cfd6ff;font-size:14px;display:block;padding:5px 0}
.foot-grid a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;text-align:center;font-size:13px;color:#a4afe0}
@media(max-width:700px){.foot-grid{grid-template-columns:1fr 1fr}}

/* WHATSAPP */
.wa-btn{position:fixed;bottom:24px;right:24px;width:58px;height:58px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;font-size:28px;box-shadow:0 8px 24px rgba(37,211,102,.5);z-index:99;transition:.3s}
.wa-btn:hover{transform:scale(1.1);color:#fff}

/* BREADCRUMB */
.crumb{padding:14px 0;font-size:13px;color:var(--muted)}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--c2)}

/* CONTENT */
.prose{max-width:780px;margin:0 auto}
.prose h2{margin:30px 0 14px;font-size:26px}
.prose h3{margin:24px 0 10px;font-size:20px}
.prose p,.prose li{color:var(--muted);margin-bottom:12px}
.prose ul,.prose ol{padding-left:22px;margin-bottom:14px}

/* BLOG */
.blog-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.blog-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:.3s;box-shadow:0 4px 20px -8px rgba(29,29,119,.15)}
.blog-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.blog-card .ph{height:160px;background:var(--grad);display:grid;place-items:center;color:#fff;font-size:40px}
.blog-card .body{padding:20px}
.blog-card h3{font-size:18px;margin-bottom:8px}
.blog-card p{color:var(--muted);font-size:14px;margin-bottom:12px}

/* ANIMATIONS */
.fade-up{opacity:0;transform:translateY(30px);transition:.7s}
.fade-up.in{opacity:1;transform:none}

/* PRINT */
@media print{
  .nav,.wa-btn,footer,.btn-row,.cta-band{display:none!important}
  body{background:#fff;color:#000}
  .result-card{background:#eee!important;color:#000!important}
}