*{box-sizing:border-box;margin:0;padding:0}
:root{
  --night:#071827;
  --blue:#0ea5e9;
  --cyan:#67e8f9;
  --ice:#eaf8fc;
  --white:#fff;
  --text:#163047;
  --muted:#64748b;
}
html{scroll-behavior:smooth}
body{font-family:'Manrope',sans-serif;background:white;color:var(--text);line-height:1.6}
a{text-decoration:none;color:inherit}
img{display:block;width:100%}
.demo-banner{background:#dff7fb;color:#0f3c4d;text-align:center;padding:9px 16px;font-size:14px}
.header{position:sticky;top:0;z-index:100;background:rgba(7,24,39,.95);backdrop-filter:blur(14px);display:flex;justify-content:space-between;align-items:center;padding:18px 7%;color:white}
.brand{display:flex;align-items:center;gap:12px;font-size:24px;font-weight:800}
.brand-mark{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--cyan),var(--blue));color:var(--night)}
nav{display:flex;gap:26px;align-items:center}
nav a{font-weight:700;font-size:15px}
.nav-cta{background:white;color:var(--night);padding:12px 18px;border-radius:10px}
.menu-btn{display:none;background:none;border:0;color:white;font-size:30px}
.hero{min-height:88vh;display:grid;grid-template-columns:1.15fr .85fr;align-items:center;padding:100px 7%;position:relative;overflow:hidden;background:linear-gradient(135deg,#071827 0%,#0b3048 56%,#0ea5e9 160%)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,24,39,.96),rgba(7,24,39,.68),rgba(14,165,233,.15))}
.hero-light{position:absolute;border-radius:50%;filter:blur(120px);opacity:.25}
.hero-light.one{width:440px;height:440px;background:#67e8f9;right:8%;top:8%}
.hero-light.two{width:320px;height:320px;background:#0ea5e9;left:-80px;bottom:-120px}
.hero-content,.hero-card{position:relative;z-index:2}
.eyebrow{display:inline-block;color:var(--cyan);font-weight:800;text-transform:uppercase;letter-spacing:.14em;font-size:13px;margin-bottom:20px}
.hero h1{font-size:clamp(50px,7vw,84px);line-height:1.03;color:white;margin-bottom:24px}
.hero h1 span{color:var(--cyan)}
.hero p{font-size:20px;color:#d6edf5;max-width:690px;margin-bottom:32px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:16px 26px;border-radius:12px;font-weight:800;border:0;cursor:pointer;transition:.25s}
.btn:hover{transform:translateY(-3px)}
.primary{background:var(--cyan);color:var(--night)}
.secondary{background:white;color:var(--night)}
.hero-proof{display:flex;gap:34px;flex-wrap:wrap;margin-top:50px}
.hero-proof div{display:flex;flex-direction:column}
.hero-proof strong{color:var(--cyan);font-size:27px}
.hero-proof span{color:#b9d1db;font-size:14px}
.hero-card{justify-self:end;width:min(100%,420px);background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(18px);border-radius:28px;padding:38px;color:white;box-shadow:0 30px 80px rgba(0,0,0,.25)}
.temperature span{font-size:88px;line-height:1;font-weight:800;color:var(--cyan)}
.temperature small{display:block;margin-top:6px;color:#d8edf4}
.air-line{height:4px;background:linear-gradient(90deg,var(--cyan),transparent);margin:32px 0 22px;border-radius:999px;animation:air 2.2s infinite alternate}
@keyframes air{to{transform:scaleX(.7);opacity:.55}}
.hero-card p{color:#d8edf4;margin:0}
.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#d8ebf2}
.trust div{background:white;padding:22px;text-align:center;font-weight:800}
.section{padding:100px 7%}
.alt{background:var(--ice)}
.section-heading{max-width:760px;margin:0 auto 50px;text-align:center}
.section-heading span{color:var(--blue);font-weight:800;text-transform:uppercase;letter-spacing:.12em;font-size:13px}
.section-heading h2{font-size:clamp(34px,4vw,54px);line-height:1.15;margin:12px 0 18px}
.section-heading p{color:var(--muted);font-size:18px}
.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.service-card{background:white;border:1px solid #dbeaf0;border-radius:22px;padding:30px;box-shadow:0 16px 40px rgba(15,53,76,.06);transition:.3s}
.service-card:hover{transform:translateY(-8px);box-shadow:0 24px 55px rgba(15,53,76,.11)}
.service-card .icon{font-size:36px;margin-bottom:18px}
.service-card h3{font-size:22px;margin-bottom:12px}
.service-card p{color:var(--muted);margin-bottom:20px}
.service-card a{color:#0369a1;font-weight:800}
.comfort{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;padding:100px 7%;background:white}
.comfort-visual img{height:600px;object-fit:cover;border-radius:30px;box-shadow:0 30px 70px rgba(17,62,88,.16)}
.comfort-copy>span{color:var(--blue);font-weight:800;text-transform:uppercase;letter-spacing:.12em}
.comfort-copy h2{font-size:50px;line-height:1.1;margin:16px 0 20px}
.comfort-copy>p{color:var(--muted);font-size:18px}
.benefits{display:grid;gap:16px;margin-top:30px}
.benefits div{background:var(--ice);border-radius:16px;padding:20px}
.benefits strong{display:block;color:#0369a1;margin-bottom:5px}
.benefits span{color:var(--muted)}
.projects-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.project{position:relative;border-radius:22px;overflow:hidden;min-height:420px}
.project img{height:100%;object-fit:cover;transition:.5s}
.project:hover img{transform:scale(1.06)}
.project-info{position:absolute;left:0;right:0;bottom:0;padding:30px;color:white;background:linear-gradient(transparent,rgba(7,24,39,.93))}
.project-info span{color:var(--cyan);font-weight:800}
.project-info h3{font-size:24px}
.numbers{background:var(--night);color:white;padding:55px 7%}
.numbers-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.number{display:flex;align-items:center;gap:16px;background:#0e2a3e;border:1px solid rgba(255,255,255,.08);border-radius:18px;padding:22px}
.number strong{color:var(--cyan);font-size:26px}
.number span{font-weight:700}
.reviews{background:linear-gradient(135deg,#071827,#0d3149);color:white;padding:100px 7%}
.section-heading.light h2,.section-heading.light span{color:white}
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.10);border-radius:22px;padding:30px}
.stars{color:#fbbf24;letter-spacing:4px;margin-bottom:15px}
.review p{color:#d6e8ef;font-size:18px;margin-bottom:18px}
.review footer{color:var(--cyan);font-weight:700}
.review-note{text-align:center;color:#94a3b8;margin-top:24px;font-size:13px}
.faq-box{max-width:900px;margin:auto}
details{background:white;border:1px solid #dcebf1;border-radius:16px;padding:22px;margin-bottom:15px}
summary{font-weight:800;cursor:pointer}
details p{color:var(--muted);margin-top:12px}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.contact-copy span{color:var(--blue);font-weight:800;text-transform:uppercase;letter-spacing:.12em}
.contact-copy h2{font-size:50px;line-height:1.1;margin:14px 0 20px}
.contact-copy p{color:var(--muted);font-size:18px}
.contact-copy ul{list-style:none;margin-top:26px;display:grid;gap:12px;font-weight:700}
.contact-form{background:var(--ice);padding:34px;border-radius:22px;display:grid;gap:18px}
.contact-form label{font-weight:700;display:grid;gap:8px}
input,select,textarea{width:100%;padding:15px 16px;border:1px solid #c9dfe7;border-radius:10px;font:inherit;background:white}
textarea{min-height:130px;resize:vertical}
.form-message{color:#0369a1;font-weight:800}
.footer{background:#04111d;color:white;padding:60px 7%;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}
.footer p,.footer a{color:#b7cbd5}
.footer h4{margin-bottom:14px}
.footer div{display:flex;flex-direction:column;gap:8px}
.footer-brand{margin-bottom:12px}
.veloryx-credit a{color:var(--cyan);font-size:24px;font-weight:800}
.reveal{opacity:0;transform:translateY(34px);transition:.7s ease}
.reveal.active{opacity:1;transform:none}

@media(max-width:1000px){
  .hero{grid-template-columns:1fr}
  .hero-card{justify-self:start;margin-top:45px}
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .projects-grid,.reviews-grid{grid-template-columns:1fr}
  .numbers-grid{grid-template-columns:repeat(2,1fr)}
  .project{min-height:360px}
  .footer{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:780px){
  .header{padding:15px 5%}
  .menu-btn{display:block}
  nav{position:fixed;top:78px;right:-100%;width:280px;height:calc(100vh - 78px);background:var(--night);flex-direction:column;align-items:flex-start;padding:35px;transition:.3s}
  nav.active{right:0}
  .hero{padding:90px 5% 70px}
  .hero-card{display:none}
  .hero p{font-size:18px}
  .trust{grid-template-columns:repeat(2,1fr)}
  .section,.reviews,.comfort{padding:75px 5%}
  .services-grid,.comfort,.contact-grid{grid-template-columns:1fr}
  .comfort-visual img{height:420px}
  .numbers-grid{grid-template-columns:1fr}
  .comfort-copy h2,.contact-copy h2{font-size:40px}
  .footer{grid-template-columns:1fr}
}