:root{--primary:#1677ff;--primary-dark:#0b4fa8;--dark:#172033;--text:#596579;--light:#f5f8fc;--white:#fff;--border:#e4eaf2;--shadow:0 14px 40px rgba(23,32,51,.08);--radius:18px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--dark);background:#fff;line-height:1.6}a{text-decoration:none;color:inherit}.container{width:min(1160px,92%);margin:auto}
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.nav-wrap{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--primary),#52a4ff);color:#fff;font-weight:800;font-size:12px;box-shadow:0 8px 20px rgba(22,119,255,.22)}.brand strong{display:block;font-size:15px}.brand small{display:block;color:var(--text);font-size:10px;margin-top:-2px}.main-nav{display:flex;align-items:center;gap:24px;font-size:14px;font-weight:600}.main-nav a:hover{color:var(--primary)}.nav-cta{background:var(--primary);color:#fff!important;padding:11px 17px;border-radius:10px}.menu-toggle{display:none;background:none;border:0;font-size:22px;color:var(--dark)}
.hero{background:linear-gradient(135deg,#eef7ff,#fff 58%,#eaf4ff);padding:86px 0 72px;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:55px;align-items:center}.eyebrow{color:var(--primary);font-size:13px;font-weight:800;text-transform:uppercase;letter-spacing:1.4px}.hero h1{font-size:clamp(38px,5vw,64px);line-height:1.05;margin:13px 0 20px}.hero p{font-size:18px;color:var(--text);max-width:680px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;border-radius:11px;padding:13px 20px;font-weight:700;cursor:pointer;transition:.2s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}.btn-outline{border:1px solid #bcd2ee;color:var(--primary);background:#fff}.btn-outline:hover{border-color:var(--primary)}.hero-art{min-height:360px;border-radius:28px;background:radial-gradient(circle at 50% 35%,#fff 0 20%,transparent 21%),linear-gradient(145deg,#d7edff,#f9fcff);display:grid;place-items:center;box-shadow:var(--shadow);position:relative}.ac-illustration{width:72%;height:150px;border-radius:18px;background:#fff;border:1px solid #dbe7f5;box-shadow:0 24px 50px rgba(22,119,255,.15);position:relative}.ac-illustration:before{content:"YAC • INVERTER";position:absolute;left:24px;top:22px;color:#6b7c91;font-size:12px;font-weight:800}.vents{position:absolute;left:25px;right:25px;bottom:24px;height:35px;border-top:3px solid #d7e2ee;display:flex;gap:6px;padding-top:10px}.vents i{height:2px;background:#a9b9cb;flex:1}.floating-tag{position:absolute;background:#fff;padding:12px 15px;border-radius:12px;box-shadow:var(--shadow);font-size:12px;font-weight:700}.tag1{top:35px;left:30px}.tag2{right:28px;bottom:35px}
.section{padding:72px 0}.section.alt{background:var(--light)}.section-head{text-align:center;max-width:720px;margin:0 auto 35px}.section-head h2{font-size:34px;margin:7px 0 10px}.section-head p{color:var(--text)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:.2s}.card:hover{transform:translateY(-4px)}.icon{width:50px;height:50px;border-radius:14px;display:grid;place-items:center;background:#eaf4ff;color:var(--primary);font-size:21px;margin-bottom:15px}.card h3{margin:0 0 7px}.muted{color:var(--text)}
.type-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}.type-card{text-align:center;padding:20px 12px;border:1px solid var(--border);border-radius:16px;background:#fff}.type-card .icon{margin:0 auto 10px}.type-card:hover{border-color:#a9caff}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.product-card{border:1px solid var(--border);border-radius:16px;overflow:hidden;background:#fff;position:relative}.product-img{height:190px;background:linear-gradient(145deg,#edf7ff,#fff);display:grid;place-items:center}.mini-ac{width:72%;height:78px;background:#fff;border:1px solid #dbe7f5;border-radius:12px;box-shadow:0 15px 28px rgba(23,32,51,.09);display:grid;place-items:center;color:#6d7d90;font-size:11px;font-weight:800}.badge{position:absolute;top:12px;left:12px;background:#e8f3ff;color:var(--primary);padding:5px 8px;border-radius:8px;font-size:10px;font-weight:800}.product-info{padding:17px}.product-info h3{font-size:14px;line-height:1.4;margin:7px 0}.stars{color:#f5a623;font-size:12px}.price{font-size:19px;font-weight:800}.old{text-decoration:line-through;color:#9aa7b6;font-size:12px;margin-left:5px}.product-actions{display:flex;gap:8px;margin-top:13px}.product-actions .btn{padding:9px 11px;font-size:12px;flex:1}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.stat{text-align:center;padding:25px;border:1px solid var(--border);border-radius:16px;background:#fff}.stat strong{display:block;font-size:35px;color:var(--primary)}.stat span{color:var(--text)}
.offer{background:linear-gradient(135deg,#0b4fa8,#1677ff);color:#fff;border-radius:25px;padding:45px;display:flex;justify-content:space-between;gap:20px;align-items:center}.offer h2{font-size:34px;margin:0 0 8px}.offer p{opacity:.9;margin:0}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.guide{padding:25px;border-radius:18px;background:#fff;border:1px solid var(--border)}.guide h3{margin-top:0}
.page-hero{background:linear-gradient(135deg,#eef7ff,#fff);padding:55px 0}.page-hero h1{font-size:42px;margin:0 0 8px}.page-hero p{color:var(--text);max-width:720px}
.filters-layout{display:grid;grid-template-columns:250px 1fr;gap:25px}.filters{border:1px solid var(--border);border-radius:16px;padding:20px;height:max-content;position:sticky;top:95px}.filter-group{border-bottom:1px solid var(--border);padding:14px 0}.filter-group:last-child{border:0}.filter-group h4{margin:0 0 9px}.filter-group label{display:block;margin:7px 0;color:var(--text);font-size:13px}.toolbar{display:flex;gap:12px;margin-bottom:20px}.search{flex:1;padding:12px 14px;border:1px solid var(--border);border-radius:10px;font:inherit}.select{padding:12px;border:1px solid var(--border);border-radius:10px;background:#fff}
.detail{display:grid;grid-template-columns:1fr 1fr;gap:45px}.gallery-main{height:420px;border:1px solid var(--border);border-radius:20px;background:linear-gradient(145deg,#edf7ff,#fff);display:grid;place-items:center}.gallery-main .mini-ac{transform:scale(1.25)}.thumbs{display:flex;gap:10px;margin-top:12px}.thumb{width:80px;height:60px;border:1px solid var(--border);border-radius:9px;background:#f5f8fc;display:grid;place-items:center;cursor:pointer}.detail h1{font-size:36px;line-height:1.15}.specs{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin:22px 0}.spec{padding:11px;background:var(--light);border-radius:9px;font-size:13px}.tabs{display:flex;gap:6px;border-bottom:1px solid var(--border);margin-top:40px}.tab{border:0;background:none;padding:12px 15px;cursor:pointer;font-weight:700;color:var(--text)}.tab.active{color:var(--primary);border-bottom:2px solid var(--primary)}.tab-panel{padding:22px 0}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.service-price{font-size:24px;font-weight:800;color:var(--primary);margin:12px 0}.form-wrap{max-width:900px;margin:auto}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.field{display:flex;flex-direction:column;gap:6px}.field.full{grid-column:1/-1}.field label{font-size:13px;font-weight:700}.field input,.field select,.field textarea{padding:12px;border:1px solid var(--border);border-radius:10px;font:inherit}.field textarea{min-height:120px;resize:vertical}.success{display:none;margin-top:15px;padding:13px;border-radius:10px;background:#eaf8ee;color:#18733a}
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:25px}.contact-list{display:grid;gap:12px}.contact-item{display:flex;gap:14px;padding:17px;border:1px solid var(--border);border-radius:13px}.contact-item i{color:var(--primary);font-size:20px;margin-top:3px}
.site-footer{background:#111a2b;color:#d8e0eb;padding-top:55px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:35px;padding-bottom:40px}.footer-brand strong{color:#fff}.footer-grid h3{color:#fff;font-size:14px}.footer-grid>a,.footer-grid>div>a{display:block;color:#aeb9c9;margin:8px 0;font-size:13px}.footer-grid p{font-size:13px;color:#aeb9c9}.footer-bottom{text-align:center;border-top:1px solid #273247;padding:17px;color:#8d99aa;font-size:12px}
.whatsapp{position:fixed;right:22px;bottom:22px;width:54px;height:54px;border-radius:50%;background:#22c55e;color:#fff;display:grid;place-items:center;font-size:25px;z-index:999;box-shadow:0 12px 25px rgba(0,0,0,.2)}.scroll-top{position:fixed;right:22px;bottom:88px;width:40px;height:40px;border:0;border-radius:10px;background:var(--dark);color:#fff;display:none;z-index:999;cursor:pointer}.toast{position:fixed;left:50%;bottom:25px;transform:translate(-50%,20px);opacity:0;background:#172033;color:#fff;padding:12px 18px;border-radius:10px;font-size:13px;z-index:2000;transition:.25s}.toast.show{opacity:1;transform:translate(-50%,0)}
.empty{text-align:center;padding:60px;color:var(--text)}.cart-row{display:grid;grid-template-columns:2fr 1fr 1fr 1fr auto;gap:15px;align-items:center;padding:17px 0;border-bottom:1px solid var(--border)}.qty{display:flex;align-items:center;gap:9px}.qty button{width:30px;height:30px;border:1px solid var(--border);background:#fff;border-radius:7px;cursor:pointer}.summary{max-width:400px;margin:30px 0 0 auto;padding:22px;border:1px solid var(--border);border-radius:16px;background:#fff}.sum-line{display:flex;justify-content:space-between;margin:9px 0}.sum-total{font-size:21px;font-weight:800;border-top:1px solid var(--border);padding-top:13px;margin-top:14px}


/* ===== Colorful Premium Refresh ===== */
:root{
  --primary:#087cf5;
  --primary-dark:#0757b8;
  --cyan:#00c6ff;
  --purple:#7657ff;
  --orange:#ff8a34;
  --green:#18b978;
  --pink:#f052b8;
  --dark:#132238;
  --text:#596b82;
  --light:#f3f8ff;
  --white:#fff;
  --border:#dce8f5;
  --shadow:0 18px 45px rgba(23,70,120,.11);
}
body{
  background:
    radial-gradient(circle at 4% 8%,rgba(0,198,255,.06),transparent 25%),
    radial-gradient(circle at 96% 25%,rgba(118,87,255,.06),transparent 25%),
    #fff;
}
.site-header{
  border-bottom:0;
  box-shadow:0 4px 25px rgba(18,48,84,.07);
}
.brand-mark{
  background:linear-gradient(135deg,#087cf5,#00c6ff 55%,#7657ff);
}
.nav-cta{
  background:linear-gradient(135deg,#087cf5,#7657ff);
  box-shadow:0 8px 20px rgba(8,124,245,.22);
}
.hero{
  background:
    radial-gradient(circle at 82% 25%,rgba(0,198,255,.23),transparent 24%),
    radial-gradient(circle at 68% 80%,rgba(118,87,255,.16),transparent 25%),
    linear-gradient(135deg,#eaf7ff 0%,#f7fbff 48%,#f1edff 100%);
  position:relative;
}
.hero:before{
  content:"";
  position:absolute;inset:auto -100px -130px auto;
  width:360px;height:360px;border-radius:50%;
  background:linear-gradient(135deg,rgba(255,138,52,.16),rgba(240,82,184,.08));
  filter:blur(3px);
}
.hero h1{
  background:linear-gradient(90deg,#10284a,#087cf5 48%,#7657ff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.eyebrow{
  background:linear-gradient(90deg,#087cf5,#7657ff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-art{
  background:
    radial-gradient(circle at 50% 35%,#fff 0 19%,transparent 20%),
    radial-gradient(circle at 25% 20%,rgba(0,198,255,.35),transparent 23%),
    radial-gradient(circle at 80% 80%,rgba(118,87,255,.28),transparent 28%),
    linear-gradient(145deg,#d9f5ff,#eef2ff 55%,#fff0e5);
  border:1px solid rgba(255,255,255,.8);
}
.ac-illustration{
  background:linear-gradient(180deg,#fff,#f4faff);
  border-top:5px solid #087cf5;
}
.floating-tag:first-letter{color:#087cf5}
.tag1{border-left:4px solid #00c6ff}
.tag2{border-left:4px solid #7657ff}
.section:nth-of-type(even){
  background:linear-gradient(135deg,#f5fbff,#f8f5ff);
}
.type-card{
  background:linear-gradient(145deg,#fff,#f8fbff);
  box-shadow:0 8px 25px rgba(40,90,150,.06);
  transition:.25s;
}
.type-card:nth-child(1) .icon{background:#e4f5ff;color:#087cf5}
.type-card:nth-child(2) .icon{background:#eeeaff;color:#7657ff}
.type-card:nth-child(3) .icon{background:#fff0e3;color:#ff7b20}
.type-card:nth-child(4) .icon{background:#ffe8f7;color:#e43fa5}
.type-card:nth-child(5) .icon{background:#e5fbf2;color:#18a96f}
.type-card:nth-child(6) .icon{background:#e8f0ff;color:#3867e8}
.type-card:hover{transform:translateY(-7px);box-shadow:0 18px 35px rgba(40,90,150,.13)}
.card{
  background:linear-gradient(145deg,#fff,#fbfdff);
}
.card:nth-child(3n+1) .icon{background:#e7f6ff;color:#087cf5}
.card:nth-child(3n+2) .icon{background:#eeeaff;color:#7657ff}
.card:nth-child(3n) .icon{background:#fff0e5;color:#ff7b20}
.product-card{
  box-shadow:0 10px 30px rgba(35,75,125,.07);
  transition:.25s;
}
.product-card:hover{
  transform:translateY(-7px);
  box-shadow:0 20px 40px rgba(35,75,125,.15);
}
.product-img{
  background:
    radial-gradient(circle at 25% 25%,rgba(0,198,255,.16),transparent 30%),
    linear-gradient(145deg,#eef9ff,#f4f0ff);
}
.badge{
  background:linear-gradient(135deg,#087cf5,#7657ff);
  color:#fff;
  box-shadow:0 5px 12px rgba(8,124,245,.18);
}
.price{color:#087cf5}
.stars{color:#ff9b25}
.btn-primary{
  background:linear-gradient(135deg,#087cf5,#7657ff);
  box-shadow:0 8px 18px rgba(8,124,245,.18);
}
.btn-primary:hover{
  background:linear-gradient(135deg,#0757b8,#5b42d7);
}
.offer{
  background:
    radial-gradient(circle at 85% 20%,rgba(0,198,255,.35),transparent 22%),
    radial-gradient(circle at 25% 90%,rgba(240,82,184,.25),transparent 25%),
    linear-gradient(135deg,#0757b8,#087cf5 48%,#7657ff);
  box-shadow:0 20px 50px rgba(8,87,184,.2);
}
.offer .btn-outline{
  border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.12);
}
.page-hero{
  background:
    radial-gradient(circle at 80% 30%,rgba(0,198,255,.22),transparent 23%),
    radial-gradient(circle at 15% 70%,rgba(118,87,255,.13),transparent 25%),
    linear-gradient(135deg,#edf8ff,#f5f2ff);
}
.service-grid .card:nth-child(1) .icon{background:#e3f6ff;color:#087cf5}
.service-grid .card:nth-child(2) .icon{background:#fff0e4;color:#ff7b20}
.service-grid .card:nth-child(3) .icon{background:#e9e5ff;color:#7657ff}
.service-grid .card:nth-child(4) .icon{background:#ffe8f6;color:#e43fa5}
.service-grid .card:nth-child(5) .icon{background:#e3fbf0;color:#18a96f}
.service-grid .card:nth-child(6) .icon{background:#e8efff;color:#3867e8}
.service-price{background:linear-gradient(90deg,#087cf5,#7657ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat{
  background:linear-gradient(145deg,#fff,#f6fbff);
  position:relative;overflow:hidden;
}
.stat:nth-child(1){border-top:4px solid #087cf5}
.stat:nth-child(2){border-top:4px solid #7657ff}
.stat:nth-child(3){border-top:4px solid #ff8a34}
.stat:nth-child(4){border-top:4px solid #18b978}
.stat strong{
  background:linear-gradient(90deg,#087cf5,#7657ff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.contact-item:nth-child(1) i{color:#087cf5}
.contact-item:nth-child(2) i{color:#7657ff}
.contact-item:nth-child(3) i{color:#ff8a34}
.contact-item:nth-child(4) i{color:#18b978}
.site-footer{
  background:
    radial-gradient(circle at 80% 20%,rgba(0,198,255,.12),transparent 25%),
    radial-gradient(circle at 20% 90%,rgba(118,87,255,.13),transparent 25%),
    #101b30;
}
.whatsapp{
  background:linear-gradient(135deg,#18c978,#0ba968);
  box-shadow:0 12px 28px rgba(24,185,120,.3);
}
.scroll-top{
  background:linear-gradient(135deg,#087cf5,#7657ff);
}