:root{
  --white:#ffffff;
  --text:#18212f;
  --muted:#596273;
  --line:#e8edf5;
  --blue:#2155ff;
  --cyan:#17c7ff;
  --purple:#6b4eff;
  --orange:#ff8a2a;
  --pink:#ff4fa1;
  --shadow:0 18px 45px rgba(33,85,255,.10);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Arial, Helvetica, sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(33,85,255,.08), transparent 25%),
    radial-gradient(circle at 100% 0, rgba(23,199,255,.08), transparent 24%),
    linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
.container{width:min(1180px, calc(100% - 32px));margin:0 auto}

.header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{
  min-height:78px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.logo{display:flex;align-items:center;gap:14px}
.logo-badge{
  width:54px;height:54px;border-radius:18px;
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:700;font-size:20px;
  background:linear-gradient(135deg,var(--blue),var(--cyan),var(--pink));
  box-shadow:0 10px 25px rgba(33,85,255,.22);
}
.logo h1{margin:0;font-size:18px}
.logo p{margin:4px 0 0;color:var(--muted);font-size:13px}

.menu{display:flex;gap:22px;align-items:center}
.menu a{font-weight:700;color:#243146}
.menu a:hover{color:var(--blue)}
.menu-btn{
  display:none;border:none;background:#f4f7fb;color:#243146;
  width:44px;height:44px;border-radius:12px;font-size:22px;cursor:pointer;
}

.hero{padding:54px 0 30px}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:34px;
  align-items:center;
}
.tag{
  display:inline-block;
  padding:10px 14px;
  border-radius:999px;
  background:#eef4ff;
  color:var(--blue);
  font-weight:700;
  margin-bottom:16px;
}
.tag.light{background:rgba(255,255,255,.18);color:#fff}
.hero h2{
  font-size:clamp(34px, 6vw, 68px);
  line-height:.95;
  margin:0 0 18px;
}
.hero p{
  font-size:18px;
  line-height:1.8;
  color:var(--muted);
  margin:0 0 26px;
}
.hero-buttons{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:20px}
.btn{
  padding:16px 24px;border-radius:16px;font-weight:700;display:inline-block;
  transition:transform .25s ease, box-shadow .25s ease;
}
.btn:hover{transform:translateY(-2px)}
.primary{
  color:#fff;
  background:linear-gradient(135deg,var(--blue),var(--purple),var(--pink));
  box-shadow:0 14px 30px rgba(33,85,255,.20);
}
.secondary{
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)
}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chips span{
  padding:10px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-weight:700;color:#2c3c56;box-shadow:0 8px 20px rgba(24,33,47,.05)
}
.chips.center{justify-content:center}

.hero-image{
  position:relative;
  min-height:530px;
}
.hero-image img{
  width:100%;height:530px;object-fit:cover;border-radius:32px;
  border:10px solid #fff;box-shadow:var(--shadow)
}
.floating-box{
  position:absolute;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);
  padding:14px 18px;border-radius:18px;font-weight:700;color:#253450;
  animation:float 4s ease-in-out infinite;
}
.floating-box.one{left:-8px;bottom:36px}
.floating-box.two{right:-8px;top:32px;animation-delay:1.2s}

.summary{padding:12px 0 20px}
.cards{
  display:grid;
  gap:18px;
}
.cards.four{grid-template-columns:repeat(4,1fr)}
.card,.service-card,.info-card{
  background:#fff;border:1px solid var(--line);border-radius:24px;
  box-shadow:var(--shadow);
}
.card{
  padding:24px;
}
.card h3{margin:0 0 10px}
.card p{margin:0;color:var(--muted);line-height:1.7}

.section{padding:88px 0}
.alt{background:linear-gradient(180deg, rgba(238,244,255,.45), rgba(255,255,255,0))}
.section-head{
  max-width:760px;
  margin:0 auto 34px;
  text-align:center;
}
.section-head h2{
  margin:0 0 14px;
  font-size:clamp(30px, 5vw, 52px);
  line-height:1;
}
.section-head p{margin:0;color:var(--muted);line-height:1.8}

.services-grid{grid-template-columns:repeat(4,1fr)}
.service-card{
  padding:28px;
  position:relative;
  overflow:hidden;
}
.service-card:before{
  content:"";
  position:absolute;
  right:-40px;bottom:-40px;
  width:140px;height:140px;border-radius:50%;
  background:radial-gradient(circle, rgba(33,85,255,.10), transparent 70%);
}
.number{
  width:48px;height:48px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:700;margin-bottom:18px;
  background:linear-gradient(135deg,var(--blue),var(--cyan),var(--orange));
}
.service-card h3{margin:0 0 10px}
.service-card p{margin:0;color:var(--muted);line-height:1.75}

.split{
  display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;
}
.split h2{
  font-size:clamp(30px,5vw,48px);
  line-height:1;
  margin:0 0 16px;
}
.split p{margin:0 0 20px;color:var(--muted);line-height:1.8}
.list{padding-left:20px;margin:0}
.list li{margin:10px 0;color:#2c3c56;font-weight:700}
.double-image{position:relative;min-height:500px}
.double-image img{
  position:absolute;object-fit:cover;border-radius:28px;border:10px solid #fff;box-shadow:var(--shadow)
}
.img-a{right:0;top:0;width:78%;height:74%}
.img-b{left:0;bottom:0;width:46%;height:38%}

.gallery{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:18px;
}
.gallery-item{
  grid-column:span 4;
  position:relative;
  border-radius:24px;
  overflow:hidden;
  min-height:310px;
  box-shadow:var(--shadow);
}
.gallery-item.large{grid-column:span 8;min-height:420px}
.gallery-item.wide{grid-column:span 8;min-height:290px}
.gallery-item img{
  width:100%;height:100%;object-fit:cover;transition:transform .5s ease;
}
.gallery-item:hover img{transform:scale(1.04)}
.gallery-item:after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg, transparent 45%, rgba(0,0,0,.58));
}
.gallery-item figcaption{
  position:absolute;left:18px;bottom:16px;z-index:2;color:#fff;font-weight:700
}

.guarantee-box{
  text-align:center;
  padding:42px 24px;
  border-radius:32px;
  color:#fff;
  background:linear-gradient(135deg,var(--blue),var(--cyan),var(--pink));
  box-shadow:0 24px 55px rgba(33,85,255,.22);
}
.guarantee-box h2{
  margin:0 0 14px;
  font-size:clamp(30px,5vw,54px);
}
.guarantee-box p{
  max-width:760px;margin:0 auto 20px;line-height:1.85
}

.info-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start
}
.info-grid h2{
  margin:0 0 12px;font-size:clamp(30px,5vw,48px);line-height:1
}
.info-grid p{margin:0;color:var(--muted);line-height:1.85}
.info-card{padding:28px}
.row{
  display:flex;justify-content:space-between;gap:18px;
  padding:16px 0;border-bottom:1px dashed var(--line)
}
.row:last-child{border-bottom:none}
.row strong{min-width:110px}
.row span{text-align:right;color:var(--muted)}

.footer{padding:24px 0 40px}
.footer-wrap{
  display:flex;justify-content:space-between;gap:20px;align-items:center;
  border-top:1px solid var(--line);padding-top:22px
}
.footer p{margin:6px 0 0;color:var(--muted)}
.footer a{
  background:#f4f7fb;padding:12px 16px;border-radius:14px;font-weight:700
}

.reveal{
  opacity:0;transform:translateY(24px);transition:all .8s ease
}
.reveal.active{
  opacity:1;transform:translateY(0)
}

@keyframes float{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-10px)}
}

@media (max-width: 980px){
  .cards.four,.services-grid,.split,.info-grid,.hero-grid{grid-template-columns:1fr 1fr}
}
@media (max-width: 820px){
  .menu-btn{display:block}
  .menu{
    display:none;position:absolute;top:78px;left:16px;right:16px;
    background:#fff;border:1px solid var(--line);border-radius:20px;
    box-shadow:var(--shadow);padding:16px;flex-direction:column;align-items:flex-start
  }
  .menu.open{display:flex}
  .hero-grid,.cards.four,.services-grid,.split,.info-grid{grid-template-columns:1fr}
  .hero-image{min-height:auto}
  .hero-image img{height:380px}
  .gallery-item,.gallery-item.large,.gallery-item.wide{grid-column:span 12}
  .double-image{min-height:430px}
}
@media (max-width: 560px){
  .hero-buttons{flex-direction:column}
  .btn{width:100%;text-align:center}
  .row{flex-direction:column}
  .row span{text-align:left}
  .footer-wrap{flex-direction:column;align-items:flex-start}
}