*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family:Arial,sans-serif;
}
body{
  background:linear-gradient(180deg,#f4f9ff 0%,#eef7ff 100%);
  color:#18324a;
  line-height:1.6;
}
a{text-decoration:none}
header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(9,34,58,.78);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,.08);
  padding:16px 6%;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
header h1{
  font-size:1.2rem;
  color:#fff;
  letter-spacing:.4px;
}
nav{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
nav a{
  color:#eaf4ff;
  padding:10px 14px;
  border-radius:999px;
  transition:.25s ease;
}
nav a:hover,
nav a.active{
  background:linear-gradient(135deg,#46b3ff,#1f7ae0);
  color:#fff;
  transform:translateY(-1px);
}
section{
  padding:42px 6%;
  scroll-margin-top:90px;
}
.hero{
  min-height:86vh;
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:28px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.hero:before,
.hero:after{
  content:"";
  position:absolute;
  border-radius:50%;
  filter:blur(40px);
  opacity:.35;
  animation:float 8s ease-in-out infinite;
}
.hero:before{
  width:220px;
  height:220px;
  background:#7dd3fc;
  top:12%;
  left:4%;
}
.hero:after{
  width:260px;
  height:260px;
  background:#93c5fd;
  right:5%;
  bottom:8%;
}
.hero-text{
  position:relative;
  z-index:1;
}
.hero-text h2{
  font-size:clamp(2rem,4vw,3.4rem);
  line-height:1.1;
  color:#0f4c81;
  margin-bottom:14px;
}
.hero-text p{
  font-size:1.02rem;
  color:#35536d;
  margin-bottom:14px;
  max-width:58ch;
}
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:linear-gradient(135deg,#1f7ae0,#46b3ff);
  color:#fff;
  padding:12px 18px;
  border-radius:14px;
  box-shadow:0 10px 24px rgba(31,122,224,.22);
  transition:.25s ease;
}
.btn:hover{
  transform:translateY(-2px);
  box-shadow:0 14px 28px rgba(31,122,224,.28);
}
.hero-img{
  position:relative;
  z-index:1;
}
.hero-img img{
  width:100%;
  max-height:520px;
  object-fit:cover;
  border-radius:24px;
  box-shadow:0 18px 40px rgba(15,76,129,.18);
}
.section-title{
  font-size:2rem;
  color:#0f4c81;
  margin-bottom:10px;
}
.section-sub{
  color:#57718a;
  max-width:70ch;
  margin-bottom:24px;
}
.grid{
  display:grid;
  gap:20px;
}
.cards{
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
}
.card,
.panel,
.contact-card,
.myth-card{
  background:rgba(255,255,255,.76);
  backdrop-filter:blur(12px);
  border:1px solid rgba(140,180,220,.2);
  border-radius:22px;
  box-shadow:0 12px 30px rgba(16,53,88,.08);
  overflow:hidden;
  transition:.28s ease;
}
.card:hover,
.panel:hover,
.contact-card:hover,
.myth-card:hover{
  transform:translateY(-6px);
}
.card img{
  width:100%;
  height:190px;
  object-fit:cover;
}
.card-body,
.panel,
.contact-card,
.myth-card{
  padding:20px;
}
.card h3,
.panel h3,
.contact-card h3,
.myth-card h3{
  color:#0f4c81;
  margin-bottom:10px;
}
.list{
  margin-left:18px;
}
.dual{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:20px;
}
.do{
  border-left:6px solid #2e8b57;
}
.dont{
  border-left:6px solid #d64545;
}
.badge{
  display:inline-block;
  padding:7px 12px;
  border-radius:999px;
  background:#e8f4ff;
  color:#0f4c81;
  font-size:.9rem;
  margin-bottom:10px;
}
.myth{
  color:#c0392b;
  font-weight:700;
}
.fact{
  color:#1f7a45;
  font-weight:700;
}
.myth-card{
  margin-bottom:14px;
}
.contact-wrap{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:20px;
}
form{
  display:grid;
  gap:12px;
}
label{
  font-weight:700;
  color:#24445f;
}
input,textarea,select{
  width:100%;
  padding:12px 14px;
  border-radius:14px;
  border:1px solid #c5d7e8;
  background:#fff;
  font-size:1rem;
  outline:none;
  transition:.2s ease;
}
input:focus,textarea:focus,select:focus{
  border-color:#46b3ff;
  box-shadow:0 0 0 4px rgba(70,179,255,.14);
}
textarea{
  min-height:130px;
  resize:vertical;
}
.footer{
  padding:18px 6%;
  text-align:center;
  color:#fff;
  background:#091f33;
  margin-top:26px;
}
html{
  scroll-behavior:smooth;
}
@keyframes float{
  0%,100%{transform:translateY(0) scale(1)}
  50%{transform:translateY(-14px) scale(1.04)}
}
@media (max-width:720px){
  header{
    padding:14px 5%;
    flex-direction:column;
    align-items:flex-start;
  }
  nav{
    width:100%;
  }
  nav a{
    padding:9px 12px;
  }
}