html,body{
  margin:0;
  padding:0;
  font-family:Arial, Helvetica, sans-serif;
  background:#ffffff;
  color:#17212b;
}
*{box-sizing:border-box}
.container{
  width:min(1120px, calc(100% - 32px));
  margin:0 auto;
}
.header{
  position:sticky;
  top:0;
  background:#ffffff;
  border-bottom:1px solid #e6ebf1;
  z-index:100;
}
.nav{
  min-height:74px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.logo{
  text-decoration:none;
  color:#0f4fa8;
  font-weight:700;
  font-size:1.1rem;
}
.menu{
  display:flex;
  gap:18px;
  align-items:center;
}
.menu a{
  text-decoration:none;
  color:#415364;
  font-weight:600;
}
.menu-btn{
  display:none;
  border:1px solid #d9e3ee;
  background:#fff;
  border-radius:10px;
  width:44px;
  height:44px;
  font-size:20px;
}
.hero{
  padding:64px 0 40px;
  background:linear-gradient(180deg, #ffffff 0%, #f7faff 100%);
}
.hero-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:28px;
  align-items:center;
}
.tag{
  display:inline-block;
  padding:8px 14px;
  border-radius:999px;
  background:#edf5ff;
  color:#0f4fa8;
  font-size:.85rem;
  font-weight:700;
}
.tag-light{
  background:rgba(255,255,255,.16);
  color:#ffffff;
}
h1{
  font-size:clamp(2.1rem, 4vw, 4.2rem);
  line-height:1.05;
  margin:16px 0 14px;
}
h2{
  margin:12px 0;
  line-height:1.15;
}
.lead{
  font-size:1.08rem;
  color:#536577;
  margin:0 0 6px;
}
.actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin:24px 0;
}
.btn{
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:50px;
  padding:0 22px;
  border-radius:999px;
  font-weight:700;
}
.btn-primary{
  background:#0f5db8;
  color:#fff;
}
.btn-secondary{
  background:#fff;
  color:#17212b;
  border:1px solid #d9e3ee;
}
.btn-light{
  background:#fff;
  color:#0f4fa8;
}
.mini-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:14px;
  margin-top:10px;
}
.mini-card,.card{
  background:#fff;
  border:1px solid #d9e3ee;
  border-radius:22px;
  box-shadow:0 10px 30px rgba(16,34,67,.08);
}
.mini-card{
  padding:18px;
}
.mini-card p{
  margin:6px 0 0;
  color:#536577;
}
.hero-box{
  display:grid;
  gap:16px;
}
.promo-large,.promo-small{
  background:#fff;
  border:1px solid #d9e3ee;
  border-radius:26px;
  box-shadow:0 14px 34px rgba(16,34,67,.08);
}
.promo-large{
  padding:28px;
}
.promo-small{
  padding:20px 22px;
}
.promo-small p{
  margin:0;
  color:#536577;
}
.promo-small strong{
  display:block;
  margin-top:6px;
  font-size:1.3rem;
  color:#0f4fa8;
}
.price{
  font-size:2rem;
  font-weight:800;
  color:#0b4a96;
  margin-top:12px;
}
.section{
  padding:70px 0;
}
.alt{
  background:#f8fbff;
}
.section-title{
  margin-bottom:26px;
}
.cards{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}
.card{
  padding:24px;
}
.card p{
  color:#536577;
}
.promo .price{
  margin-top:18px;
}
.two-cols{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:18px;
}
.info{
  min-height:220px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.cta{
  padding-top:10px;
}
.cta-box{
  background:#0f5db8;
  color:#fff;
  border-radius:30px;
  padding:28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  box-shadow:0 18px 40px rgba(15,93,184,.24);
}
.footer{
  padding:30px 0 40px;
  border-top:1px solid #e6ebf1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}
.footer p{
  color:#536577;
}
@media (max-width:900px){
  .hero-grid,.cards,.two-cols,.mini-grid,.footer-grid{
    grid-template-columns:1fr;
  }
  .cta-box{
    flex-direction:column;
    align-items:flex-start;
  }
}
@media (max-width:760px){
  .menu-btn{display:block}
  .menu{
    display:none;
    position:absolute;
    top:74px;
    left:16px;
    right:16px;
    background:#fff;
    border:1px solid #d9e3ee;
    border-radius:18px;
    padding:14px;
    flex-direction:column;
    align-items:flex-start;
    box-shadow:0 10px 30px rgba(16,34,67,.08);
  }
  .menu.open{display:flex}
}