:root{
  --white:#ffffff;
  --ink:#0f172a;
  --muted:#64748b;
  --line:#e2e8f0;
  --blue:#0ea5e9;
  --blue-dark:#0369a1;
  --green:#22c55e;
  --soft:#f0f9ff;
  --soft2:#f8fafc;
  --shadow:0 24px 70px rgba(15,23,42,.13);
  --radius:28px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--white);line-height:1.6}
a{text-decoration:none;color:inherit}
.container{width:min(1120px,calc(100% - 32px));margin:auto}
.header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
.nav{width:min(1180px,calc(100% - 30px));min-height:76px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:-.02em}
.logo-mark{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),var(--blue-dark));color:white;box-shadow:0 14px 34px rgba(14,165,233,.28)}
.menu{display:flex;align-items:center;gap:10px}
.menu a{padding:10px 14px;border-radius:999px;font-weight:800;color:#334155}
.menu a:hover{background:var(--soft);color:var(--blue-dark)}
.menu-cta{background:var(--ink)!important;color:white!important}
.menu-btn{display:none;border:0;background:transparent;padding:8px;cursor:pointer}
.menu-btn span{display:block;width:27px;height:3px;background:var(--ink);border-radius:99px;margin:5px 0}
.hero{position:relative;overflow:hidden;padding:96px 0 82px;background:radial-gradient(circle at 10% 10%,rgba(14,165,233,.16),transparent 32%),radial-gradient(circle at 90% 16%,rgba(34,197,94,.12),transparent 30%),linear-gradient(180deg,#fff,#f8fbff)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:56px}
.label{margin:0 0 12px;color:var(--blue-dark);font-size:.78rem;font-weight:900;text-transform:uppercase;letter-spacing:.12em}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(2.6rem,6vw,5.8rem);line-height:.95;letter-spacing:-.07em;margin-bottom:22px}
h2{font-size:clamp(2rem,4vw,3.2rem);line-height:1.05;letter-spacing:-.05em;margin-bottom:14px}
h3{font-size:1.55rem;letter-spacing:-.03em;margin-bottom:10px}
.subtitle{font-size:1.23rem;color:var(--muted);max-width:640px;margin-bottom:28px}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:14px 22px;border-radius:999px;font-weight:900;transition:.2s ease}
.primary{background:linear-gradient(135deg,var(--blue),var(--blue-dark));color:white;box-shadow:0 18px 42px rgba(14,165,233,.28)}
.primary:hover{transform:translateY(-2px);box-shadow:0 24px 52px rgba(14,165,233,.34)}
.secondary{background:white;border:1px solid var(--line);color:var(--ink)}
.secondary:hover{background:var(--soft)}
.phone-card{display:inline-flex;align-items:flex-start;gap:16px;background:white;border:1px solid var(--line);border-radius:20px;padding:16px 20px;box-shadow:0 18px 50px rgba(15,23,42,.08)}
.phone-card small,.contact-card small{display:block;color:var(--muted);font-weight:800;text-transform:uppercase;letter-spacing:.08em}
.phone-card strong,.contact-card strong{display:block;font-size:1.7rem;letter-spacing:-.03em}
.hero-art{position:relative;min-height:440px;display:grid;place-items:center}
.ac-card{position:relative;width:min(390px,86vw);height:330px;border-radius:42px;background:linear-gradient(180deg,#fff,#eaf8ff);border:1px solid rgba(14,165,233,.16);box-shadow:var(--shadow);display:grid;place-items:center;overflow:hidden}
.ac-card:before{content:"";position:absolute;width:360px;height:360px;border-radius:50%;background:rgba(14,165,233,.12);right:-150px;top:-150px}
.ac-unit{position:relative;width:240px;height:86px;border-radius:22px;background:white;border:1px solid var(--line);box-shadow:0 18px 50px rgba(15,23,42,.12)}
.ac-top{position:absolute;left:24px;right:24px;bottom:22px;height:8px;border-radius:99px;background:#dbeafe}
.ac-light{position:absolute;right:24px;top:22px;width:14px;height:14px;border-radius:50%;background:var(--green);box-shadow:0 0 0 8px rgba(34,197,94,.16)}
.wind{position:absolute;bottom:72px;left:76px;right:76px;display:grid;gap:14px}
.wind span{height:9px;border-radius:999px;background:linear-gradient(90deg,transparent,rgba(14,165,233,.48),transparent)}
.badge{position:absolute;right:32px;bottom:28px;width:72px;height:72px;border-radius:24px;background:var(--ink);color:white;display:grid;place-items:center;font-weight:900;box-shadow:0 18px 46px rgba(15,23,42,.22)}
.mini-card{position:absolute;background:white;border:1px solid var(--line);border-radius:20px;padding:14px 18px;font-weight:900;box-shadow:0 18px 46px rgba(15,23,42,.12)}
.one{left:0;top:76px}.two{right:0;bottom:76px}
.intro,.services,.contact{padding:78px 0;background:white}
.intro-box{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;padding:38px;border-radius:var(--radius);background:linear-gradient(135deg,#f8fafc,#f0f9ff);border:1px solid var(--line)}
.intro-box p{color:var(--muted);font-size:1.08rem}.intro-box strong{color:var(--ink)}
.section-head{text-align:center;max-width:720px;margin:0 auto 38px}.section-head p{color:var(--muted)}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{padding:34px;border:1px solid var(--line);border-radius:var(--radius);background:white;box-shadow:0 18px 56px rgba(15,23,42,.08);position:relative;overflow:hidden}
.card:after{content:"";position:absolute;inset:auto -80px -120px auto;width:220px;height:220px;background:rgba(14,165,233,.08);border-radius:50%}
.icon{width:62px;height:62px;border-radius:20px;display:grid;place-items:center;background:var(--soft);color:var(--blue-dark);font-size:1.6rem;font-weight:900;margin-bottom:22px}
.icon.alt{background:#ecfdf5;color:#15803d}
.card p{color:var(--muted);min-height:78px}.card a{display:inline-flex;margin-top:8px;color:var(--blue-dark);font-weight:900}
.cta{padding:64px 0;background:linear-gradient(135deg,var(--ink),#075985);color:white}
.cta .label{color:#7dd3fc}.cta p{color:#dbeafe}.cta-box{display:flex;align-items:center;justify-content:space-between;gap:24px}.cta .primary{background:white;color:var(--blue-dark);box-shadow:none}
.contact-grid{display:grid;grid-template-columns:1fr 390px;gap:28px;align-items:center}.contact p{color:var(--muted)}
.contact-card{padding:30px;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow);background:linear-gradient(180deg,#fff,#f8fbff)}
.full{width:100%;margin-top:18px}
.float-wa{position:fixed;right:18px;bottom:18px;z-index:30;background:#22c55e;color:white;font-weight:900;padding:15px 20px;border-radius:999px;box-shadow:0 18px 42px rgba(34,197,94,.38)}
.footer{background:#020617;color:white;padding:24px 0}.footer-inner{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}.footer p{margin:0;color:#cbd5e1}
@media(max-width:820px){.menu-btn{display:block}.menu{position:absolute;left:16px;right:16px;top:76px;display:none;flex-direction:column;align-items:stretch;background:white;border:1px solid var(--line);border-radius:22px;padding:12px;box-shadow:var(--shadow)}.menu.open{display:flex}.menu a{text-align:center}.hero-grid,.intro-box,.contact-grid{grid-template-columns:1fr}.hero{padding-top:62px}.hero-art{min-height:360px}.one{left:8px}.two{right:8px}.cards{grid-template-columns:1fr}.cta-box{display:block}.cta .btn{margin-top:18px}.footer-inner{display:block}.logo span:last-child{font-size:.94rem}}
@media(max-width:520px){.container{width:min(100% - 24px,1120px)}.nav{width:min(100% - 22px,1180px)}.hero{padding-bottom:54px}h1{font-size:2.65rem}.intro,.services,.contact{padding:54px 0}.card,.intro-box,.contact-card{padding:24px}.mini-card{font-size:.86rem}.float-wa{left:18px;text-align:center}.phone-card{width:100%}}