*{margin:0;padding:0;box-sizing:border-box}
:root{
--primary:#0891b2;--primary-dark:#0e7490;--accent:#06b6d4;
--gold:#f59e0b;--gold-light:#fef3c7;
--dark:#0f172a;--dark2:#1e293b;--gray:#64748b;--gray-light:#f1f5f9;
--white:#ffffff;--glass:rgba(255,255,255,0.12);--glass2:rgba(255,255,255,0.06);
--shadow:0 25px 50px -12px rgba(0,0,0,0.15);
--radius:16px;--radius-sm:12px;
--font:'Inter',sans-serif;--font2:'Playfair Display',serif;
}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--dark);line-height:1.6;overflow-x:hidden;background:var(--white)}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
section{padding:100px 0}
.section-badge{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,rgba(8,145,178,0.1),rgba(6,182,212,0.1));color:var(--primary);padding:8px 20px;border-radius:50px;font-size:13px;font-weight:600;letter-spacing:1px;text-transform:uppercase;margin-bottom:16px}
.section-title{font-family:var(--font2);font-size:clamp(28px,5vw,44px);font-weight:700;color:var(--dark);margin-bottom:16px;line-height:1.2}
.section-desc{font-size:17px;color:var(--gray);max-width:600px;line-height:1.8}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:50px;font-weight:600;font-size:15px;border:none;cursor:pointer;transition:all .3s ease;font-family:var(--font)}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;box-shadow:0 8px 30px rgba(8,145,178,0.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 40px rgba(8,145,178,0.4)}
.btn-outline{background:var(--glass);color:#fff;border:1.5px solid rgba(255,255,255,0.3);backdrop-filter:blur(10px)}
.btn-outline:hover{background:rgba(255,255,255,0.2)}
.btn-white{background:#fff;color:var(--primary);box-shadow:var(--shadow)}
.btn-white:hover{transform:translateY(-2px)}
.card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,0.06);transition:all .4s ease}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow)}

/* NAV */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:20px 0;transition:all .3s ease}
.nav.scrolled{background:rgba(255,255,255,0.95);backdrop-filter:blur(20px);padding:12px 0;box-shadow:0 2px 20px rgba(0,0,0,0.08)}
.nav-inner{display:flex;align-items:center;justify-content:space-between}
.nav-logo{font-family:var(--font2);font-size:24px;font-weight:700;color:#fff;display:flex;align-items:center;gap:10px}
.nav.scrolled .nav-logo{color:var(--dark)}
.nav-logo i{color:var(--accent);font-size:28px}
.nav-links{display:flex;gap:32px;list-style:none}
.nav-links a{color:rgba(255,255,255,0.85);font-weight:500;font-size:14px;transition:color .3s}
.nav.scrolled .nav-links a{color:var(--gray)}
.nav-links a:hover{color:var(--accent)}
.nav-cta{display:flex;gap:12px;align-items:center}
.nav-cta .btn{padding:10px 24px;font-size:13px}
.nav-mobile{display:none;color:#fff;font-size:24px;cursor:pointer;background:none;border:none}
.nav.scrolled .nav-mobile{color:var(--dark)}

/* HERO */
.hero{min-height:100vh;position:relative;display:flex;align-items:center;background:linear-gradient(135deg,rgba(15,23,42,0.5),rgba(8,145,178,0.3)),url('https://images.unsplash.com/photo-1507525428034-b723cf961d3e?w=1920&q=80') center/cover no-repeat;overflow:hidden}
.hero::after{content:'';position:absolute;bottom:0;left:0;right:0;height:120px;background:linear-gradient(transparent,var(--white))}
.hero-content{position:relative;z-index:2;padding-top:80px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--glass);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,0.2);padding:10px 24px;border-radius:50px;color:#fff;font-size:13px;font-weight:500;margin-bottom:24px}
.hero-badge i{color:var(--gold)}
.hero h1{font-family:var(--font2);font-size:clamp(36px,7vw,72px);font-weight:800;color:#fff;line-height:1.1;margin-bottom:20px;text-shadow:0 4px 30px rgba(0,0,0,0.3)}
.hero-sub{font-size:clamp(16px,2.5vw,22px);color:rgba(255,255,255,0.9);max-width:560px;margin-bottom:40px;line-height:1.7;font-weight:300}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:60px}
.hero-search{background:rgba(255,255,255,0.12);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,0.15);border-radius:20px;padding:24px 28px;max-width:720px;display:flex;gap:16px;align-items:end;flex-wrap:wrap}
.hero-search .field{flex:1;min-width:150px}
.hero-search label{display:block;color:rgba(255,255,255,0.7);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:1px;margin-bottom:8px}
.hero-search input,.hero-search select{width:100%;background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.15);border-radius:12px;padding:12px 16px;color:#fff;font-size:14px;font-family:var(--font);outline:none}
.hero-search input::placeholder{color:rgba(255,255,255,0.5)}
.hero-search .btn-search{padding:12px 28px;background:var(--gold);color:var(--dark);font-weight:700;border:none;border-radius:12px;cursor:pointer;font-size:14px;white-space:nowrap;font-family:var(--font);transition:all .3s}
.hero-search .btn-search:hover{background:#d97706;transform:translateY(-2px)}
.hero-stats{display:flex;gap:40px;margin-top:40px}
.hero-stat{text-align:center;color:#fff}
.hero-stat .num{font-size:28px;font-weight:800;display:block}
.hero-stat .lbl{font-size:12px;opacity:.7;text-transform:uppercase;letter-spacing:1px}
.floating-card{position:absolute;background:rgba(255,255,255,0.12);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,0.15);border-radius:16px;padding:16px 20px;color:#fff;animation:float 6s ease-in-out infinite}
.floating-card.fc1{right:5%;top:20%;animation-delay:0s}
.floating-card.fc2{right:10%;bottom:25%;animation-delay:2s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-20px)}}

/* WAVE */
.wave-divider{position:relative;height:80px;overflow:hidden;margin-top:-80px}
.wave-divider svg{position:absolute;bottom:0;width:100%;height:80px}

/* ABOUT */
.about{background:var(--white)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;margin-top:48px}
.about-imgs{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.about-imgs img{border-radius:var(--radius);height:220px;object-fit:cover;transition:transform .4s}
.about-imgs img:first-child{grid-column:1/-1;height:280px}
.about-imgs img:hover{transform:scale(1.03)}
.about-text .features{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}
.about-text .feat{display:flex;align-items:start;gap:12px;padding:16px;border-radius:var(--radius-sm);background:var(--gray-light);transition:all .3s}
.about-text .feat:hover{background:rgba(8,145,178,0.08)}
.about-text .feat i{color:var(--primary);font-size:20px;margin-top:2px}
.about-text .feat h4{font-size:14px;font-weight:600;margin-bottom:4px}
.about-text .feat p{font-size:12px;color:var(--gray)}

/* HOTELS */
.hotels{background:var(--gray-light)}
.hotels-header{display:flex;justify-content:space-between;align-items:end;flex-wrap:wrap;gap:20px;margin-bottom:48px}
.hotels-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.hotel-card .img-wrap{position:relative;height:240px;overflow:hidden}
.hotel-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.hotel-card:hover img{transform:scale(1.08)}
.hotel-card .badge{position:absolute;top:16px;left:16px;background:var(--gold);color:var(--dark);padding:4px 12px;border-radius:8px;font-size:12px;font-weight:700}
.hotel-card .heart{position:absolute;top:16px;right:16px;width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,0.9);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s}
.hotel-card .heart:hover{background:#fff;transform:scale(1.1)}
.hotel-card .heart i{color:#ef4444;font-size:16px}
.hotel-card .info{padding:20px}
.hotel-card .info h3{font-size:18px;font-weight:700;margin-bottom:8px}
.hotel-card .loc{color:var(--gray);font-size:13px;display:flex;align-items:center;gap:4px;margin-bottom:12px}
.hotel-card .amenities{display:flex;gap:12px;margin-bottom:16px}
.hotel-card .amenities span{font-size:12px;color:var(--gray);display:flex;align-items:center;gap:4px;background:var(--gray-light);padding:4px 10px;border-radius:8px}
.hotel-card .bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #e2e8f0;padding-top:16px}
.hotel-card .price{font-size:22px;font-weight:800;color:var(--primary)}
.hotel-card .price small{font-size:13px;color:var(--gray);font-weight:400}
.hotel-card .rating{display:flex;align-items:center;gap:4px;color:var(--gold);font-weight:600;font-size:14px}
.hotel-card .btn-book{padding:10px 20px;font-size:13px}

/* SEAFOOD */
.seafood-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:28px;margin-top:48px}
.food-card .img-wrap{height:200px;overflow:hidden;position:relative}
.food-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.food-card:hover img{transform:scale(1.08)}
.food-card .tag{position:absolute;bottom:12px;left:12px;background:rgba(0,0,0,0.6);backdrop-filter:blur(8px);color:#fff;padding:4px 12px;border-radius:8px;font-size:12px}
.food-card .info{padding:20px}
.food-card .info h3{font-size:17px;font-weight:700;margin-bottom:6px}
.food-card .info .rating{color:var(--gold);font-size:13px;margin-bottom:8px}
.food-card .info p{font-size:13px;color:var(--gray);margin-bottom:12px}
.food-card .price-range{font-weight:700;color:var(--primary);font-size:15px}

/* CHECKIN */
.checkin{background:var(--gray-light)}
.checkin-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:48px}
.checkin-grid .item{position:relative;border-radius:var(--radius);overflow:hidden;height:280px;cursor:pointer}
.checkin-grid .item:first-child{grid-row:1/3;height:100%}
.checkin-grid .item img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.checkin-grid .item:hover img{transform:scale(1.1)}
.checkin-grid .item .overlay{position:absolute;inset:0;background:linear-gradient(transparent 50%,rgba(0,0,0,0.7));display:flex;align-items:end;padding:20px;transition:all .3s}
.checkin-grid .item .overlay h3{color:#fff;font-size:16px;font-weight:600}
.checkin-grid .item .overlay p{color:rgba(255,255,255,0.8);font-size:13px}

/* TOURS */
.tours-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;margin-top:48px}
.tour-card{text-align:center;padding:32px 24px;border-radius:var(--radius);background:#fff;box-shadow:0 4px 20px rgba(0,0,0,0.05);transition:all .4s}
.tour-card:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.tour-card .icon{width:64px;height:64px;border-radius:16px;background:linear-gradient(135deg,rgba(8,145,178,0.1),rgba(6,182,212,0.15));display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:28px;color:var(--primary)}
.tour-card h3{font-size:16px;font-weight:700;margin-bottom:8px}
.tour-card p{font-size:13px;color:var(--gray);margin-bottom:16px}
.tour-card .price{font-weight:800;color:var(--primary);font-size:18px}

/* STATS */
.stats{background:linear-gradient(135deg,var(--dark),var(--dark2));color:#fff;text-align:center;padding:80px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin-top:48px}
.stat-item .num{font-size:48px;font-weight:900;background:linear-gradient(135deg,var(--accent),var(--gold));-webkit-background-clip:text;-webkit-text-fill-color:transparent;display:block}
.stat-item .lbl{font-size:14px;color:rgba(255,255,255,0.7);margin-top:8px}

/* GALLERY */
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:48px}
.gallery-grid .g-item{border-radius:var(--radius);overflow:hidden;position:relative;cursor:pointer}
.gallery-grid .g-item:nth-child(1){grid-column:1/3;grid-row:1/3}
.gallery-grid .g-item img{width:100%;height:100%;object-fit:cover;min-height:200px;transition:transform .6s}
.gallery-grid .g-item:hover img{transform:scale(1.08)}
.gallery-grid .g-item::after{content:'';position:absolute;inset:0;background:rgba(0,0,0,0);transition:all .3s}
.gallery-grid .g-item:hover::after{background:rgba(0,0,0,0.2)}

/* REVIEWS */
.reviews{background:var(--gray-light)}
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:48px}
.review-card{background:#fff;border-radius:var(--radius);padding:32px;position:relative;transition:all .4s}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.review-card .stars{color:var(--gold);font-size:14px;margin-bottom:16px}
.review-card p{font-size:14px;color:var(--gray);line-height:1.8;margin-bottom:20px;font-style:italic}
.review-card .author{display:flex;align-items:center;gap:12px}
.review-card .avatar{width:44px;height:44px;border-radius:50%;object-fit:cover}
.review-card .author h4{font-size:14px;font-weight:600}
.review-card .author span{font-size:12px;color:var(--gray)}
.review-card .quote{position:absolute;top:20px;right:24px;font-size:48px;color:rgba(8,145,178,0.1);font-family:serif;line-height:1}

/* CTA */
.cta-section{background:linear-gradient(135deg,var(--primary),#0e7490,#155e75);color:#fff;text-align:center;padding:100px 0;position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;width:500px;height:500px;border-radius:50%;background:rgba(255,255,255,0.05);top:-200px;right:-100px}
.cta-section h2{font-family:var(--font2);font-size:clamp(28px,5vw,44px);margin-bottom:16px}
.cta-section p{font-size:17px;opacity:.85;margin-bottom:40px;max-width:560px;margin-left:auto;margin-right:auto}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* FOOTER */
.footer{background:var(--dark);color:rgba(255,255,255,0.7);padding:80px 0 32px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
.footer-logo{font-family:var(--font2);font-size:24px;color:#fff;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.footer-logo i{color:var(--accent)}
.footer p.footer-desc{font-size:14px;line-height:1.8;margin-bottom:20px}
.footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:20px}
.footer ul{list-style:none}
.footer ul li{margin-bottom:10px}
.footer ul a{font-size:14px;transition:color .3s}
.footer ul a:hover{color:var(--accent)}
.footer .social{display:flex;gap:12px;margin-top:16px}
.footer .social a{width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,0.08);display:flex;align-items:center;justify-content:center;color:#fff;transition:all .3s}
.footer .social a:hover{background:var(--primary);transform:translateY(-3px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:24px;text-align:center;font-size:13px}
.newsletter{display:flex;gap:8px;margin-top:16px}
.newsletter input{flex:1;padding:10px 16px;border-radius:10px;border:1px solid rgba(255,255,255,0.15);background:rgba(255,255,255,0.06);color:#fff;font-size:13px;outline:none;font-family:var(--font)}
.newsletter button{padding:10px 20px;border-radius:10px;background:var(--primary);color:#fff;border:none;cursor:pointer;font-weight:600;font-size:13px;transition:all .3s}

/* ANIMATIONS */
@keyframes fadeUp{from{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}
.fade-up{opacity:0;transform:translateY(40px);transition:all .8s ease}
.fade-up.visible{opacity:1;transform:translateY(0)}

/* LOADER */
.loader{position:fixed;inset:0;background:var(--white);z-index:9999;display:flex;align-items:center;justify-content:center;transition:opacity .5s}
.loader.hidden{opacity:0;pointer-events:none}
.loader-inner{text-align:center}
.loader-wave{display:flex;gap:6px;justify-content:center;margin-bottom:16px}
.loader-wave span{width:6px;height:24px;background:var(--primary);border-radius:4px;animation:wave 1s ease-in-out infinite}
.loader-wave span:nth-child(2){animation-delay:.1s}
.loader-wave span:nth-child(3){animation-delay:.2s}
.loader-wave span:nth-child(4){animation-delay:.3s}
@keyframes wave{0%,100%{transform:scaleY(1)}50%{transform:scaleY(2)}}

/* LIGHTBOX */
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,0.9);z-index:9999;display:none;align-items:center;justify-content:center;cursor:pointer}
.lightbox.active{display:flex}
.lightbox img{max-width:90%;max-height:90vh;border-radius:12px;object-fit:contain}
.lightbox .close-lb{position:absolute;top:24px;right:24px;color:#fff;font-size:32px;cursor:pointer;background:none;border:none}

/* MOBILE */
@media(max-width:1024px){
.hotels-grid,.reviews-grid{grid-template-columns:repeat(2,1fr)}
.gallery-grid{grid-template-columns:repeat(3,1fr)}
.gallery-grid .g-item:nth-child(1){grid-column:1/3}
.footer-grid{grid-template-columns:1fr 1fr}
.stats-grid{grid-template-columns:repeat(2,1fr)}
.nav-links,.nav-cta{display:none}
.nav-mobile{display:block}
}
@media(max-width:768px){
section{padding:64px 0}
.about-grid{grid-template-columns:1fr;gap:32px}
.hotels-grid,.reviews-grid,.seafood-grid{grid-template-columns:1fr}
.checkin-grid{grid-template-columns:1fr 1fr}
.checkin-grid .item:first-child{grid-row:auto}
.tours-grid{grid-template-columns:repeat(2,1fr)}
.gallery-grid{grid-template-columns:repeat(2,1fr)}
.gallery-grid .g-item:nth-child(1){grid-column:auto;grid-row:auto}
.footer-grid{grid-template-columns:1fr}
.hero-search{flex-direction:column}
.hero-stats{gap:24px}
.about-text .features{grid-template-columns:1fr}
.hotels-header{flex-direction:column;align-items:start}
}
@media(max-width:480px){
.tours-grid{grid-template-columns:1fr}
.checkin-grid{grid-template-columns:1fr}
.stats-grid{grid-template-columns:1fr}
.gallery-grid{grid-template-columns:1fr}
}

/* Zalo Widget */
.zalo-widget {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  align-items: center;
  text-decoration: none;
  cursor: pointer;
}
.zalo-icon-wrap {
  position: relative;
  width: 60px;
  height: 60px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  background-color: #0068ff;
  box-shadow: 0 4px 14px rgba(0, 104, 255, 0.4);
}
.zalo-icon-wrap img {
  width: 40px;
  height: 40px;
  z-index: 2;
  border-radius: 50%;
  object-fit: contain;
}
.zalo-pulse {
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: #0068ff;
  border-radius: 50%;
  z-index: 1;
  animation: zaloPulse 1.5s infinite;
}
@keyframes zaloPulse {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.5); opacity: 0; }
}
.zalo-tooltip {
  position: absolute;
  right: 75px;
  background: white;
  color: #333;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  white-space: nowrap;
}
.zalo-widget:hover .zalo-tooltip {
  opacity: 1;
  visibility: visible;
  right: 80px;
}
@media(max-width:768px){
  .zalo-tooltip {
    display: none;
  }
}