:root{
  --deep:#001a2c;
  --navy:#002a40;
  --mid:#005f8a;
  --light:#0096c7;
  --aqua:#48cae4;
  --sand:#f9c74f;
  --coral:#f77f00;
  --white:#f0f8ff;
  --muted:rgba(255,255,255,.65);
  --border:rgba(255,255,255,.13);
  --wa:#25d366;
}

*{margin:0;padding:0;box-sizing:border-box}

html{scroll-behavior:smooth}

body{
  font-family:Arial,sans-serif;
  background:var(--deep);
  color:var(--white);
  overflow-x:hidden;
}

a{text-decoration:none}

.top-bar{
  background:linear-gradient(90deg,#128c7e,var(--wa));
  color:#fff;
  text-align:center;
  padding:10px 20px;
  font-size:.85rem;
  font-weight:700;
}

.season{
  background:linear-gradient(90deg,var(--coral),var(--sand));
  color:var(--deep);
  text-align:center;
  padding:9px 20px;
  font-size:.75rem;
  font-weight:800;
  letter-spacing:1px;
  text-transform:uppercase;
}

.nav{
  position:sticky;
  top:0;
  z-index:999;
  background:rgba(0,26,44,.96);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
  min-height:66px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 32px;
}

.nav-brand{
  font-size:1.2rem;
  font-weight:900;
  color:var(--aqua);
}

.nav-brand span{color:var(--sand)}

.nav-links{
  display:flex;
  gap:22px;
}

.nav-links a{
  color:rgba(255,255,255,.7);
  font-size:.75rem;
  font-weight:800;
  letter-spacing:1px;
  text-transform:uppercase;
}

.nav-links a:hover{color:var(--aqua)}

.nav-right{
  display:flex;
  align-items:center;
  gap:10px;
}

.nav-wa{
  background:var(--wa);
  color:#fff;
  padding:9px 16px;
  border-radius:30px;
  font-size:.75rem;
  font-weight:900;
}

.lang-row{
  display:flex;
  gap:5px;
}

.lb{
  background:transparent;
  border:1px solid var(--border);
  color:rgba(255,255,255,.65);
  padding:5px 9px;
  border-radius:20px;
  font-size:.65rem;
  font-weight:800;
  cursor:pointer;
}

.lb.on{
  background:var(--aqua);
  border-color:var(--aqua);
  color:var(--deep);
}

[data-lang]{display:none}
[data-lang].on{display:block}
[data-li]{display:none}
[data-li].on{display:inline}

.hero{
  min-height:86vh;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding:80px 24px;
  background:
    linear-gradient(rgba(0,26,44,.45),rgba(0,26,44,.92)),
    radial-gradient(circle at top,var(--mid),var(--deep));
}

.hero h1{
  font-size:clamp(2.5rem,7vw,5.8rem);
  line-height:.95;
  margin-bottom:22px;
}

.hero h1 em{
  color:var(--sand);
  font-style:italic;
}

.hero p{
  max-width:760px;
  margin:0 auto 30px;
  color:rgba(255,255,255,.78);
  font-size:1.1rem;
  line-height:1.8;
}

.btn{
  display:inline-block;
  padding:14px 24px;
  border-radius:999px;
  font-weight:900;
  border:0;
  cursor:pointer;
}

.btn-primary{
  background:linear-gradient(90deg,var(--sand),var(--coral));
  color:var(--deep);
}

.btn-outline{
  border:1px solid var(--border);
  color:#fff;
}

.sec{
  padding:90px 28px;
}

.container{
  width:min(1180px,100%);
  margin:auto;
}

.eyebrow{
  color:var(--sand);
  font-size:.8rem;
  font-weight:900;
  letter-spacing:2px;
  text-transform:uppercase;
  margin-bottom:12px;
}

.stitle{
  font-size:clamp(2rem,4vw,3.8rem);
  line-height:1.05;
  margin-bottom:18px;
}

.stitle em{
  color:var(--aqua);
  font-style:italic;
}

.sdesc{
  color:rgba(255,255,255,.68);
  line-height:1.8;
  max-width:760px;
}

.package-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:24px;
  margin-top:40px;
}

.pc{
  background:rgba(255,255,255,.07);
  border:1px solid var(--border);
  border-radius:28px;
  overflow:hidden;
  box-shadow:0 24px 70px rgba(0,0,0,.2);
}

.pc img{
  width:100%;
  height:220px;
  object-fit:cover;
  display:block;
}

.pc-body{
  padding:24px;
}

.pc h3{
  font-size:1.35rem;
  margin-bottom:10px;
}

.pc p{
  color:rgba(255,255,255,.65);
  line-height:1.7;
  margin-bottom:18px;
}

.price-row{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-bottom:20px;
}

.price{
  background:rgba(72,202,228,.14);
  border:1px solid rgba(72,202,228,.25);
  padding:10px 13px;
  border-radius:14px;
  font-size:.85rem;
  font-weight:900;
}

.detail-wrap{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:28px;
  align-items:start;
}

.detail-img{
  width:100%;
  max-height:480px;
  object-fit:cover;
  border-radius:30px;
  border:1px solid var(--border);
}

.info-card{
  background:rgba(255,255,255,.07);
  border:1px solid var(--border);
  border-radius:28px;
  padding:26px;
  position:sticky;
  top:90px;
}

.info-card h3{
  margin-bottom:18px;
}

.info-line{
  display:flex;
  justify-content:space-between;
  gap:15px;
  border-bottom:1px solid var(--border);
  padding:13px 0;
  color:rgba(255,255,255,.76);
}

.footer{
  padding:42px 24px;
  border-top:1px solid var(--border);
  text-align:center;
  color:rgba(255,255,255,.6);
}

.wa-float{
  position:fixed;
  right:20px;
  bottom:20px;
  width:58px;
  height:58px;
  background:var(--wa);
  color:#fff;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:26px;
  z-index:999;
  box-shadow:0 15px 40px rgba(0,0,0,.3);
}

.btn-login{
  background:#ffffff;
  color:#001a2c;
  padding:10px 18px;
  border-radius:30px;
  font-weight:900;
  font-size:.75rem;
  text-decoration:none;
  white-space:nowrap;
  transition:.25s;
}

.btn-login:hover{
  background:#48cae4;
  color:#001a2c;
  transform:translateY(-1px);
}

@media(max-width:850px){
  .nav{
    flex-wrap:wrap;
    padding:16px;
    gap:14px;
  }

  .nav-links{
    width:100%;
    overflow-x:auto;
    gap:16px;
  }

  .detail-wrap{
    grid-template-columns:1fr;
  }

  .info-card{
    position:relative;
    top:auto;
  }
}