*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#f1f9ff;color:#0e2038}
.topbar{position:sticky;top:0;z-index:10;background:#f1f9ff;border-bottom:1px solid #cfe8f6;display:flex;align-items:center;justify-content:space-between;padding:22px 6vw;min-height:130px}
.logo img{width:360px;height:auto;display:block}
nav{display:flex;gap:34px;align-items:center}
nav a{text-decoration:none;color:#17324d;font-weight:800;font-size:19px}
.hero{max-width:1360px;margin:0 auto;padding:70px 6vw 60px;display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}
.tagline{text-transform:uppercase;letter-spacing:.18em;color:#0788bc;font-weight:900;font-size:18px}
h1{font-size:clamp(64px,8vw,112px);line-height:.92;letter-spacing:-.06em;margin:16px 0;color:#081b34}
h2{font-size:clamp(36px,5vw,64px);line-height:1;margin:10px 0 22px;color:#081b34}
.intro,.section p{font-size:23px;line-height:1.65;color:#405b76}
.hero-image{background:white;border-radius:38px;padding:28px;box-shadow:0 25px 70px rgba(9,55,90,.12)}
.hero-image img{width:100%;height:auto;max-height:760px;object-fit:contain;display:block}
.price-box{display:flex;align-items:center;gap:20px;flex-wrap:wrap;background:white;border:2px solid #b9e4fb;border-radius:28px;padding:28px 34px;margin:34px 0;box-shadow:0 18px 40px rgba(4,118,170,.1)}
.old-price{text-decoration:line-through;color:#8997aa;font-size:27px;font-weight:900}
.sale-price{font-size:64px;font-weight:900;color:#0588d7}
.delivery{font-size:24px;font-weight:900;color:#0e2038}
.buttons{display:flex;gap:16px;flex-wrap:wrap}
.btn{padding:18px 28px;border-radius:16px;font-weight:900;text-decoration:none;font-size:18px}
.primary{background:#0588d7;color:white}
.secondary{background:white;color:#075985;border:2px solid #b9e4fb}
.features{max-width:1180px;margin:0 auto 70px;padding:0 6vw;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.feature{background:white;border:1px solid #d7eef8;border-radius:24px;padding:24px;text-align:center;box-shadow:0 12px 35px rgba(9,55,90,.07)}
.feature strong{display:block;font-size:22px;color:#075985;margin-bottom:8px}
.feature span{color:#405b76;font-weight:700}
.section{max-width:1180px;margin:0 auto 70px;padding:55px 6vw;background:white;border:1px solid #d7eef8;border-radius:34px;box-shadow:0 24px 60px rgba(9,55,90,.07)}
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.gallery-card{background:#fff;border:1px solid #d7eef8;border-radius:28px;padding:22px}
.gallery-card img{width:100%;height:600px;object-fit:contain;display:block}
.contact{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center}
.contact-card{background:#ecfbff;border:1px solid #a8e9fb;border-radius:26px;padding:30px}
.contact-card span{display:block;text-transform:uppercase;letter-spacing:.14em;font-size:13px;font-weight:900;color:#0788bc;margin-bottom:8px}
.contact-card a{display:block;font-size:27px;font-weight:900;color:#075985;text-decoration:none;margin-bottom:24px;word-break:break-word}
footer{text-align:center;background:#071827;color:white;padding:48px 20px}
footer img{width:260px;background:white;border-radius:14px;padding:8px}
footer a{color:white;text-decoration:none;font-weight:800}
footer p{color:#d5e2ef}
@media(max-width:900px){
.topbar{flex-direction:column;align-items:flex-start;gap:16px;min-height:auto}
.logo img{width:260px}
nav{gap:16px;flex-wrap:wrap}
.hero,.contact{grid-template-columns:1fr}
.features,.gallery{grid-template-columns:1fr}
.gallery-card img{height:auto}
.sale-price{font-size:48px}
}