:root{
  --reef:#79cbc7;
  --reef-light:#bfe9e4;
  --ocean:#063f52;
  --ocean-2:#0b6070;
  --lagoon:#17a7a2;
  --coral:#f4775f;
  --coral-dark:#db5d4b;
  --sand:#fff3d6;
  --sun:#ffd86b;
  --white:#fff;
  --ink:#17333d;
  --muted:#60747b;
  --shadow:0 18px 45px rgba(6,63,82,.14);
  --radius:22px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#f7fbfa;line-height:1.65}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(var(--max),92%);margin:auto}
.skip{position:absolute;left:-9999px}.skip:focus{left:15px;top:15px;background:#fff;padding:10px;z-index:999}
.topbar{background:var(--ocean);color:#eaffff;font-size:.88rem}
.topbar .container{display:flex;justify-content:space-between;gap:20px;padding:8px 0}
.navbar{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);box-shadow:0 5px 22px rgba(0,0,0,.07)}
.nav-inner{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-weight:900;color:var(--ocean)}
.brand img{width:62px;height:62px;object-fit:cover;border-radius:50%;box-shadow:0 6px 18px rgba(6,63,82,.16)}
.brand span{font-size:1.05rem;line-height:1.05}
.nav-links{display:flex;align-items:center;gap:26px;font-weight:700}
.nav-links a{position:relative;padding:28px 0}
.nav-links a:after{content:"";position:absolute;left:0;bottom:19px;width:0;height:3px;background:var(--coral);border-radius:99px;transition:.25s}
.nav-links a:hover:after,.nav-links a.active:after{width:100%}
.nav-cta{background:var(--coral);color:white!important;padding:11px 18px!important;border-radius:999px;box-shadow:0 8px 18px rgba(244,119,95,.28)}
.nav-cta:after{display:none}
.menu-btn{display:none;border:0;background:var(--reef-light);color:var(--ocean);width:45px;height:45px;border-radius:12px;font-size:1.3rem}
.hero{position:relative;min-height:690px;display:flex;align-items:center;overflow:hidden;background:
linear-gradient(90deg,rgba(3,48,63,.84),rgba(3,48,63,.42) 48%,rgba(3,48,63,.12)),
url("../assets/images/image19.jpeg") center/cover}
.hero:after{content:"";position:absolute;inset:auto 0 0;height:120px;background:linear-gradient(transparent,#f7fbfa)}
.hero-content{position:relative;z-index:2;color:white;padding:90px 0;max-width:760px}
.eyebrow{display:inline-flex;gap:8px;align-items:center;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);padding:7px 13px;border-radius:999px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;font-size:.78rem}
.hero h1{font-family:Georgia,serif;font-size:clamp(3rem,7vw,6.2rem);line-height:.95;margin:22px 0 18px;letter-spacing:-.05em}
.hero h1 em{color:var(--sun);font-style:normal}
.hero p{font-size:1.18rem;max-width:680px;color:#f1ffff}
.hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 21px;border-radius:999px;font-weight:900;border:2px solid transparent;transition:.2s;cursor:pointer}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 10px 24px rgba(244,119,95,.3)}
.btn-primary:hover{transform:translateY(-2px);background:var(--coral-dark)}
.btn-light{background:#fff;color:var(--ocean)}
.btn-outline{border-color:rgba(255,255,255,.55);color:#fff}
.btn-outline:hover{background:#fff;color:var(--ocean)}
.wave{height:70px;background:var(--reef);clip-path:polygon(0 45%,8% 52%,16% 44%,24% 57%,32% 47%,40% 55%,48% 43%,56% 55%,64% 44%,72% 56%,80% 45%,88% 53%,100% 42%,100% 100%,0 100%)}
.section{padding:88px 0}
.section.alt{background:linear-gradient(180deg,#e9f8f6,#f7fbfa)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:36px}
.section-head h2{margin:0;color:var(--ocean);font-family:Georgia,serif;font-size:clamp(2.1rem,4vw,3.3rem);line-height:1}
.section-head p{max-width:600px;color:var(--muted);margin:0}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid rgba(6,63,82,.08);transition:.25s}
.card:hover{transform:translateY(-5px)}
.card-img{height:240px;object-fit:cover;width:100%}
.card-body{padding:24px}
.card h3{margin:0 0 9px;color:var(--ocean);font-family:Georgia,serif;font-size:1.55rem}
.card p{color:var(--muted);margin:0 0 17px}
.tags{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:20px}
.tag{font-size:.75rem;font-weight:800;background:var(--reef-light);color:var(--ocean);padding:5px 9px;border-radius:999px}
.text-link{font-weight:900;color:var(--coral-dark)}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.split-img{border-radius:30px;box-shadow:var(--shadow);width:100%;height:510px;object-fit:cover}
.kicker{color:var(--coral-dark);font-weight:900;text-transform:uppercase;letter-spacing:.12em;font-size:.8rem}
h2{font-family:Georgia,serif;color:var(--ocean);font-size:clamp(2.2rem,4vw,3.6rem);line-height:1.05}
.feature-list{display:grid;gap:14px;margin:26px 0;padding:0;list-style:none}
.feature-list li{display:flex;gap:12px;align-items:flex-start}
.feature-list i{color:var(--lagoon);margin-top:5px}
.package-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.package{padding:30px;border-radius:var(--radius);background:#fff;border:1px solid rgba(6,63,82,.1);box-shadow:var(--shadow)}
.package.platinum{border-top:6px solid var(--sun)}
.package.vip{border-top:6px solid var(--coral)}
.package h3{margin:0;color:var(--ocean);font-size:1.6rem}
.package ul{padding-left:20px;color:var(--muted)}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.gallery img{width:100%;height:230px;object-fit:cover;border-radius:18px;cursor:pointer;transition:.25s}
.gallery img:hover{transform:scale(1.02)}
.cta{padding:70px 0;background:linear-gradient(135deg,var(--ocean),#087487);color:white;position:relative;overflow:hidden}
.cta:before{content:"";position:absolute;width:350px;height:350px;border-radius:50%;right:-120px;top:-180px;background:rgba(121,203,199,.18)}
.cta .container{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta h2{color:white;margin:0 0 10px}
.cta p{margin:0;color:#d8f7f5}
.page-hero{padding:90px 0 85px;background:linear-gradient(135deg,var(--ocean),#0b7280);color:white}
.page-hero h1{font-family:Georgia,serif;font-size:clamp(2.8rem,6vw,5rem);line-height:1;margin:12px 0}
.page-hero p{max-width:700px;color:#d9f7f5;font-size:1.08rem}
.tour-detail{display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:start;margin-bottom:70px}
.detail-main,.detail-side{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.detail-main img{width:100%;height:420px;object-fit:cover}
.detail-content{padding:30px}
.detail-side{padding:28px;position:sticky;top:105px}
.detail-side h3{margin-top:0;color:var(--ocean);font-family:Georgia,serif}
.detail-side ul{padding-left:20px;color:var(--muted)}
.notice{background:var(--sand);padding:15px 18px;border-radius:14px;margin:20px 0;color:#6b5431}
.booking{display:grid;grid-template-columns:1.2fr .8fr;gap:30px}
.form-card,.booking-info{background:#fff;padding:30px;border-radius:var(--radius);box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.field{display:grid;gap:7px}
.field.full{grid-column:1/-1}
label{font-weight:800;color:var(--ocean)}
input,select,textarea{width:100%;border:1px solid #cfe2e0;border-radius:12px;padding:12px 13px;font:inherit;background:#fbfefe;outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--lagoon);box-shadow:0 0 0 3px rgba(23,167,162,.12)}
textarea{min-height:140px;resize:vertical}
.socials{display:flex;gap:10px}
.social{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--reef-light);color:var(--ocean);font-size:1.15rem;transition:.2s}
.social:hover{background:var(--coral);color:white;transform:translateY(-2px)}
.footer{background:#032f3d;color:#cdeceb;padding:55px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:35px}
.footer h3{color:white;margin-top:0}
.footer a:hover{color:white}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:35px;padding-top:18px;font-size:.88rem;display:flex;justify-content:space-between;gap:20px}
.lightbox{position:fixed;inset:0;background:rgba(0,25,32,.9);z-index:1000;display:none;align-items:center;justify-content:center;padding:25px}
.lightbox.show{display:flex}.lightbox img{max-width:95vw;max-height:90vh;border-radius:15px}
.close{position:absolute;right:25px;top:20px;color:white;font-size:2rem;background:none;border:0;cursor:pointer}
@media(max-width:900px){
 .nav-links{display:none;position:absolute;left:0;right:0;top:82px;background:#fff;padding:15px 4%;box-shadow:0 14px 25px rgba(0,0,0,.1);flex-direction:column;align-items:stretch;gap:0}
 .nav-links.open{display:flex}.nav-links a{padding:13px 0}.nav-links a:after{bottom:6px}
 .menu-btn{display:block}
 .cards{grid-template-columns:repeat(2,1fr)}
 .split,.tour-detail,.booking{grid-template-columns:1fr}
 .detail-side{position:static}
 .gallery{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1fr 1fr}
 .cta .container{flex-direction:column;align-items:flex-start}
}
@media(max-width:600px){
 .topbar .container{justify-content:center;text-align:center}.topbar .container span:last-child{display:none}
 .brand span{font-size:.9rem}.brand img{width:54px;height:54px}
 .hero{min-height:650px}.hero-content{padding:70px 0}.hero h1{font-size:3.35rem}
 .section{padding:65px 0}.cards,.package-grid,.form-grid,.gallery{grid-template-columns:1fr}
 .gallery img{height:250px}.split-img{height:360px}
 .footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column}
 .page-hero{padding:65px 0}.detail-main img{height:280px}
}

.footer-contact{margin:8px 0 14px}.footer-contact a{color:#fff;font-weight:700}.small-note{font-size:.86rem;color:var(--muted);margin-top:12px}.field button:disabled{opacity:.65;cursor:wait}
.topbar a{color:inherit;text-decoration:none;font-weight:800}.topbar a:hover{text-decoration:underline}.footer-contact p{margin:4px 0}.footer-contact a[href^="tel:"]{display:inline-block;margin-right:10px}