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

:root{
  --bg-main:#f0f4f8;
  --bg-white:#ffffff;
  --text-dark:#1a1a2e;
  --text-muted:#5c6070;
  --primary:#1a4fa0;
  --primary-dark:#133d80;
  --accent:#c8a84b;
  --border:#dde3ed;
}

html{scroll-behavior:smooth}

body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  background:var(--bg-main);
  color:var(--text-dark);
  line-height:1.6;
}

.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* Language */
.lang-en [lang="vi"],.lang-vi [lang="en"]{display:none}

/* Navbar */
.navbar{position:fixed;top:0;left:0;right:0;z-index:100;padding:16px 0;transition:all .3s ease}
.navbar.scrolled{background:rgba(240,244,248,.98);backdrop-filter:blur(10px);box-shadow:0 2px 20px rgba(0,0,0,.08)}
.nav-container{display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;text-decoration:none;transition:transform .3s ease}
.logo:hover{transform:scale(1.02)}
.logo-img{height:60px;width:auto;object-fit:contain}
.nav-links{display:flex;align-items:center;gap:32px;list-style:none}
.nav-links a{color:var(--bg-white);text-decoration:none;font-weight:500;font-size:.95rem;transition:color .3s ease}
.navbar.scrolled .nav-links a{color:var(--text-dark)}
.nav-links a:hover{color:var(--accent)}
.lang-btn{background:rgba(255,255,255,.15);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.3);color:var(--bg-white);padding:8px 16px;border-radius:20px;font-size:.85rem;font-weight:600;cursor:pointer;transition:all .3s ease}
.lang-btn[data-lang="en"] .btn-en,.lang-btn[data-lang="vi"] .btn-vi{font-weight:700;text-decoration:underline;text-underline-offset:3px}
.navbar.scrolled .lang-btn{background:var(--bg-white);border:1px solid var(--border);color:var(--text-dark)}
.lang-btn:hover{background:var(--bg-white);color:var(--text-dark)}
.navbar.scrolled .lang-btn:hover{background:var(--text-dark);color:var(--bg-white)}
.menu-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:5px}
.menu-toggle span{width:24px;height:2px;background:var(--bg-white);transition:all .3s}
.navbar.scrolled .menu-toggle span{background:var(--text-dark)}

/* Hero */
.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center 30%}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(to bottom,rgba(26,26,46,.5) 0%,rgba(26,26,46,.65) 50%,rgba(26,26,46,.88) 100%)}
.hero-content{position:relative;z-index:1;text-align:center;max-width:900px;padding:120px 24px 80px}
.hero-badge{display:inline-block;background:rgba(255,255,255,.15);backdrop-filter:blur(10px);color:var(--bg-white);padding:10px 24px;border-radius:30px;font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:2px;margin-bottom:32px;border:1px solid rgba(255,255,255,.2)}
.hero h1{font-family:'Playfair Display',serif;font-size:clamp(2.5rem,6vw,4.5rem);font-weight:700;line-height:1.1;margin-bottom:24px;color:var(--bg-white);text-shadow:0 2px 20px rgba(0,0,0,.3)}
.hero-subtitle{font-size:1.15rem;color:rgba(255,255,255,.9);margin-bottom:40px;max-width:700px;margin-left:auto;margin-right:auto;line-height:1.7}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:60px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:16px 32px;border-radius:30px;font-size:.95rem;font-weight:600;text-decoration:none;transition:all .3s ease;border:none;cursor:pointer}
.btn-primary{background:var(--primary);color:var(--bg-white)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 10px 30px rgba(26,79,160,.4)}
.btn-outline{background:transparent;color:var(--bg-white);border:2px solid rgba(255,255,255,.4)}
.btn-outline:hover{border-color:var(--bg-white);background:var(--bg-white);color:var(--text-dark)}

/* Sections */
.section{padding:100px 0}
.bg-white{background:var(--bg-white)}
.section-header{text-align:center;margin-bottom:60px}
.section-tag{display:inline-block;background:var(--primary);color:var(--bg-white);padding:6px 16px;border-radius:15px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:1px;margin-bottom:16px}
.section-title{font-family:'Playfair Display',serif;font-size:clamp(2rem,4vw,2.75rem);font-weight:700;margin-bottom:16px}
.section-desc{color:var(--text-muted);max-width:600px;margin:0 auto;font-size:1.05rem}

/* About / Mission Grid */
.mission-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.mission-content .section-tag{margin-bottom:16px}
.mission-content h2{font-family:'Playfair Display',serif;font-size:2.25rem;margin-bottom:24px}
.mission-content p{color:var(--text-muted);margin-bottom:20px;font-size:1.05rem}
.mission-list{list-style:none}
.mission-list li{display:flex;align-items:flex-start;gap:16px;padding:16px 0;border-bottom:1px solid var(--border)}
.mission-list li:last-child{border-bottom:none}
.mission-icon{width:44px;height:44px;min-width:44px;background:var(--bg-main);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.25rem}
.mission-text strong{display:block;margin-bottom:4px;color:var(--text-dark)}
.mission-text span{color:var(--text-muted);font-size:.9rem}
.mission-image img{width:100%;height:480px;object-fit:cover;border-radius:20px}

/* Highlights */
.highlights-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px}
.highlight-card{background:var(--bg-white);padding:36px 28px;border-radius:20px;border:1px solid transparent;transition:all .3s ease;text-align:center}
.highlight-card:hover{border-color:var(--primary);transform:translateY(-6px);box-shadow:0 16px 40px rgba(26,79,160,.1)}
.highlight-icon{font-size:2rem;margin-bottom:16px;color:var(--primary)}
.highlight-card h3{font-size:1.1rem;font-weight:700;margin-bottom:10px}
.highlight-card p{color:var(--text-muted);font-size:.95rem;line-height:1.6}

/* Services / Includes */
.includes-box{padding:32px;background:var(--bg-main);border-radius:20px}
.includes-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px}
.includes-item{display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--bg-white);border-radius:10px;font-size:.95rem}
.includes-item svg{width:20px;height:20px;color:var(--primary);flex-shrink:0}

/* Fees */
.fees-wrapper{background:var(--bg-white);border-radius:24px;overflow:hidden;box-shadow:0 10px 40px rgba(0,0,0,.06)}
.fees-table{width:100%;border-collapse:collapse}
.fees-table th,.fees-table td{padding:20px 28px;text-align:left}
.fees-table thead{background:var(--primary);color:var(--bg-white)}
.fees-table th{font-weight:600;font-size:.9rem;text-transform:uppercase;letter-spacing:.5px}
.fees-table tbody tr{border-bottom:1px solid var(--border)}
.fees-table tbody tr:last-child{border-bottom:none}
.fees-table .amount{font-weight:700;color:var(--primary);font-size:1.2rem}
.fees-table .highlight{background:rgba(26,79,160,.04)}
.fees-table small{display:block;color:var(--text-muted);font-size:.85rem;margin-top:4px}

/* CTA */
.cta{background:var(--primary);padding:80px 0}
.cta-content{text-align:center;max-width:600px;margin:0 auto}
.cta h2{font-family:'Playfair Display',serif;font-size:2.25rem;color:var(--bg-white);margin-bottom:16px}
.cta p{color:rgba(255,255,255,.85);margin-bottom:32px;font-size:1.05rem}
.cta .btn-primary{background:var(--bg-white);color:var(--primary)}
.cta .btn-primary:hover{background:var(--bg-main)}

/* Footer */
.footer{background:var(--text-dark);padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;margin-bottom:40px}
.footer-brand p{color:rgba(255,255,255,.6);font-size:.95rem;max-width:300px;margin-top:12px}
.footer h4{color:var(--bg-white);font-size:1rem;margin-bottom:20px}
.footer ul{list-style:none}
.footer ul li{margin-bottom:12px}
.footer ul a{color:rgba(255,255,255,.6);text-decoration:none;font-size:.95rem;transition:color .2s}
.footer ul a:hover{color:var(--bg-white)}
.footer-contact p{color:rgba(255,255,255,.7);margin-bottom:8px;font-size:.95rem}
.footer-contact a{color:rgba(255,255,255,.7);text-decoration:none}
.footer-contact a:hover{color:var(--bg-white)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;text-align:center;color:rgba(255,255,255,.4);font-size:.9rem}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(30px);transition:all .6s ease}
.reveal.active{opacity:1;transform:translateY(0)}

/* Gallery */
.gallery-grid{display:flex;gap:16px;overflow-x:auto;padding:8px 0;scroll-snap-type:x mandatory;scrollbar-width:none}
.gallery-grid::-webkit-scrollbar{display:none}
.gallery-item{flex:0 0 280px;height:360px;scroll-snap-align:start;border-radius:16px;overflow:hidden;position:relative;cursor:pointer;box-shadow:0 8px 24px rgba(0,0,0,.1)}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.gallery-item:hover img{transform:scale(1.06)}
.gallery-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(26,26,46,.7) 0%,transparent 60%);display:flex;align-items:flex-end;padding:16px;opacity:0;transition:opacity .3s ease}
.gallery-item:hover .gallery-overlay{opacity:1}
.gallery-overlay span{color:#fff;font-size:.9rem;font-weight:500}
.ig-cta{text-align:center;margin-top:40px}

/* Lightbox */
.lightbox{display:none;position:fixed;z-index:1000;inset:0;background:rgba(0,0,0,.92);align-items:center;justify-content:center}
.lightbox.active{display:flex}
.lightbox-container{display:flex;align-items:center;justify-content:center;width:100%;height:100%;padding:20px}
.lightbox-content{max-width:80%;max-height:85vh;object-fit:contain;border-radius:8px;transform:scale(.9);transition:transform .3s ease}
.lightbox.active .lightbox-content{transform:scale(1)}
.lightbox-close{position:absolute;top:24px;right:32px;color:#fff;font-size:44px;cursor:pointer;line-height:1}
.lightbox-prev,.lightbox-next{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.1);color:#fff;border:none;padding:18px 14px;cursor:pointer;font-size:1.8rem;transition:background .2s;z-index:10}
.lightbox-prev:hover,.lightbox-next:hover{background:rgba(255,255,255,.25)}
.lightbox-prev{left:16px;border-radius:0 8px 8px 0}
.lightbox-next{right:16px;border-radius:8px 0 0 8px}
.lightbox-counter{position:absolute;bottom:20px;color:#fff;font-size:.9rem;background:rgba(0,0,0,.5);padding:4px 14px;border-radius:20px}

@media(max-width:768px){.gallery-item{flex:0 0 220px;height:280px}}
@media(max-width:992px){
  .mission-grid{grid-template-columns:1fr;gap:40px}
  .mission-image{order:-1}
  .footer-grid{grid-template-columns:1fr;gap:32px}
}

@media(max-width:768px){
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:var(--bg-white);flex-direction:column;padding:20px;gap:16px;box-shadow:0 10px 30px rgba(0,0,0,.1)}
  .nav-links a,.lang-btn{color:#000}
  .nav-links.active{display:flex}
  .menu-toggle{display:flex}
  .hero-content{padding:100px 20px 60px}
  .section{padding:60px 0}
  .hero-actions{flex-direction:column;align-items:center}
  .btn{width:100%;max-width:280px;justify-content:center}
  .fees-table th,.fees-table td{padding:14px 16px;font-size:.9rem}
}

.faq-list{display:flex;flex-direction:column;gap:16px;max-width:860px;margin:0 auto}
.faq-item{background:var(--bg-light,#f8f9fa);border-radius:12px;padding:24px 28px;border-left:4px solid var(--primary,#1a56db)}
.faq-item h3{font-size:1.05rem;font-weight:600;margin-bottom:10px;color:var(--text-dark,#111)}
.faq-item p{font-size:.95rem;color:var(--text-muted,#555);line-height:1.7;margin:0}