:root{
  --midnight:#020617;
  --ocean:#0b1f3a;
  --steel:#1e3a5f;
  --electric:#2563eb;
  --ice:#38bdf8;
  --silver:#e5e7eb;
  --grad:linear-gradient(135deg,#020617,#0b1f3a,#2563eb);
  --glass:rgba(255,255,255,0.06);
  --border:rgba(255,255,255,0.12);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter','Helvetica Neue',Helvetica,Arial,sans-serif;background:var(--midnight);color:var(--silver);line-height:1.6;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .3s}
.container{max-width:1400px;margin:0 auto;padding:0 40px}

/* Header */
#header{position:fixed;top:0;left:0;right:0;z-index:50;padding:18px 0;transition:all .4s ease;background:transparent}
#header.scrolled{background:rgba(2,6,23,0.85);backdrop-filter:blur(18px);border-bottom:1px solid var(--border);padding:12px 0}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:30px}
.logo{font-size:1.5rem;font-weight:700;letter-spacing:1px;color:#fff}
.logo span{background:linear-gradient(135deg,var(--ice),var(--electric));-webkit-background-clip:text;background-clip:text;color:transparent}
#nav{display:flex;gap:30px}
#nav a{font-size:.95rem;color:var(--silver);position:relative;padding:6px 0}
#nav a:hover,#nav a.active{color:var(--ice)}
#nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--ice);transition:width .3s}
#nav a:hover::after,#nav a.active::after{width:100%}

.menu-toggle{display:none;background:none;border:none;color:#fff;font-size:1.6rem;cursor:pointer}

/* Buttons */
.btn{display:inline-block;padding:14px 28px;border-radius:50px;font-weight:600;font-size:.95rem;cursor:pointer;border:none;transition:all .35s ease;text-align:center}
.btn-primary{background:linear-gradient(135deg,var(--electric),var(--ice));color:#fff;box-shadow:0 8px 24px rgba(37,99,235,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 32px rgba(56,189,248,.55);filter:brightness(1.08)}
.btn-ghost{border:1px solid var(--border);color:#fff;background:rgba(255,255,255,.03)}
.btn-ghost:hover{background:rgba(255,255,255,.08);transform:translateY(-2px)}
.btn-block{width:100%;padding:18px}

/* Hero */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;background:url('images/photo-1566073771259-6a8506099945.png') center/cover no-repeat fixed}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(2,6,23,.85),rgba(11,31,58,.7),rgba(37,99,235,.35))}
.hero-content{position:relative;z-index:2;padding-top:120px;padding-bottom:80px}
.eyebrow{display:inline-block;letter-spacing:3px;text-transform:uppercase;font-size:.78rem;color:var(--ice);margin-bottom:18px;font-weight:600}
.hero-content h1{font-size:clamp(2.4rem,5.5vw,4.6rem);font-weight:700;color:#fff;line-height:1.1;max-width:900px;margin-bottom:24px;letter-spacing:-1px}
.hero-content p{font-size:1.15rem;max-width:640px;color:#cbd5e1;margin-bottom:36px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}

/* Page hero */
.page-hero{padding:200px 0 80px;background:var(--grad);text-align:center;position:relative}
.page-hero h1{font-size:clamp(2.2rem,4vw,3.6rem);color:#fff;margin-bottom:14px}
.page-hero p{color:#cbd5e1}

/* Sections */
.section{padding:100px 0}
.section-alt{background:linear-gradient(180deg,#020617,#0b1f3a)}
.section-head{text-align:center;max-width:720px;margin:0 auto 60px}
.section-head h2{font-size:clamp(2rem,3.4vw,2.8rem);color:#fff;margin-bottom:14px}
.section-head p{color:#94a3b8}
h2{color:#fff}
h3{color:#fff;margin-bottom:10px}

/* Grids */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.card{background:var(--glass);border:1px solid var(--border);border-radius:18px;overflow:hidden;backdrop-filter:blur(14px);transition:transform .4s,box-shadow .4s}
.card:hover{transform:translateY(-8px);box-shadow:0 20px 50px rgba(37,99,235,.25)}
.card img{height:240px;width:100%;object-fit:cover;transition:transform .6s}
.card:hover img{transform:scale(1.05)}
.card-body{padding:24px}
.card-body p{color:#94a3b8;margin-bottom:14px}
.link-arrow{color:var(--ice);font-weight:600}
.link-arrow:hover{color:#fff}

/* Split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.split.reverse .split-img{order:2}
.split-img img{border-radius:18px;height:480px;width:100%;object-fit:cover;box-shadow:0 30px 60px rgba(0,0,0,.4)}
.split-text h2{font-size:2.3rem;margin:14px 0 18px}
.split-text p{color:#94a3b8;margin-bottom:18px}
.muted-note{font-size:.85rem;color:#64748b;font-style:italic;margin-bottom:24px}

/* CTA banner */
.cta-banner{padding:90px 0;background:var(--grad);text-align:center}
.cta-banner h2{font-size:2.4rem;margin-bottom:14px;color:#fff}
.cta-banner p{color:#cbd5e1;margin-bottom:30px}

/* Rooms page */
.room-card{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center;background:var(--glass);border:1px solid var(--border);border-radius:20px;overflow:hidden;margin-bottom:40px}
.room-card.reverse{direction:rtl}
.room-card.reverse .room-info{direction:ltr}
.room-card img{height:420px;width:100%;object-fit:cover}
.room-info{padding:40px}
.room-info h2{font-size:2rem;margin-bottom:8px}
.price{color:var(--ice);font-size:1.2rem;font-weight:600;margin-bottom:18px}
.room-info ul{list-style:none;margin-bottom:24px}
.room-info ul li{padding:8px 0;border-bottom:1px dashed var(--border);color:#cbd5e1}

/* Notice */
.notice{background:rgba(37,99,235,.12);border-left:4px solid var(--ice);padding:18px 24px;border-radius:10px;color:#cbd5e1;margin-bottom:40px}

/* Amenities */
.amenities-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.amenity{background:var(--glass);border:1px solid var(--border);padding:30px;border-radius:16px;transition:all .35s}
.amenity:hover{transform:translateY(-6px);border-color:var(--ice);box-shadow:0 14px 30px rgba(56,189,248,.2)}
.amenity h3{color:var(--ice);margin-bottom:8px}
.amenity p{color:#94a3b8}

/* Booking */
.booking-wrap{display:grid;grid-template-columns:2fr 1fr;gap:30px}
.glass{background:var(--glass);border:1px solid var(--border);border-radius:18px;padding:36px;backdrop-filter:blur(14px)}
.booking-form h2,.booking-summary h3{margin-bottom:24px;color:#fff}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px}
.form-row:has(.form-field:nth-child(3)){grid-template-columns:1fr 1fr 1fr}
.form-field{display:flex;flex-direction:column}
.form-field label{font-size:.85rem;color:#94a3b8;margin-bottom:8px}
.form-field input,.form-field select,.form-field textarea{padding:14px 16px;border-radius:10px;border:1px solid var(--border);background:rgba(0,0,0,.3);color:#fff;font-size:.95rem;font-family:inherit;transition:border .3s}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:none;border-color:var(--ice)}
.sum-row{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px dashed var(--border);color:#cbd5e1}
.sum-row.total{font-size:1.3rem;color:var(--ice);border:none;padding-top:18px}

/* Modal */
.modal{position:fixed;inset:0;background:rgba(2,6,23,.8);backdrop-filter:blur(8px);display:none;align-items:center;justify-content:center;z-index:200;padding:20px}
.modal.active{display:flex}
.modal-box{max-width:480px;text-align:center}
.modal-box h2{margin-bottom:14px;color:var(--ice)}
.modal-box p{color:#cbd5e1;margin-bottom:24px}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:30px;margin-bottom:60px}
.contact-info p{margin-bottom:16px;color:#cbd5e1}
.contact-form .form-field{margin-bottom:16px}
.map-wrap{border-radius:18px;overflow:hidden}

/* Legal */
.legal h2{font-size:1.4rem;color:var(--ice);margin:30px 0 12px}
.legal p,.legal ul{color:#cbd5e1;margin-bottom:14px}
.legal ul{padding-left:24px}
.legal ul li{margin-bottom:8px}

/* Footer */
footer{background:#020617;border-top:1px solid var(--border);padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-grid h5{color:var(--ice);margin-bottom:16px;font-size:.95rem;letter-spacing:1px;text-transform:uppercase}
.footer-grid a{display:block;color:#94a3b8;font-size:.92rem;padding:5px 0}
.footer-grid a:hover{color:var(--ice)}
.footer-grid p{color:#94a3b8;font-size:.92rem;margin-bottom:10px}
.footer-base{border-top:1px solid var(--border);padding:24px 40px;text-align:center;color:#64748b;font-size:.85rem}

/* Animations */
.fade-in{opacity:0;transform:translateY(30px);transition:all .8s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* Responsive */
@media(max-width:1024px){
  .container{padding:0 30px}
  .section{padding:70px 0}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .amenities-grid{grid-template-columns:repeat(2,1fr)}
  .split,.room-card,.contact-grid,.booking-wrap{grid-template-columns:1fr}
  .room-card.reverse{direction:ltr}
  .footer-grid{grid-template-columns:1fr 1fr}
  #nav{display:none;position:absolute;top:100%;left:0;right:0;background:rgba(2,6,23,.95);backdrop-filter:blur(20px);flex-direction:column;padding:20px;border-top:1px solid var(--border)}
  #nav.open{display:flex}
  .menu-toggle{display:block}
  .nav-wrap .btn{display:none}
}
@media(max-width:640px){
  .container{padding:0 20px}
  .section{padding:50px 0}
  .grid-3,.amenities-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr !important}
  .footer-grid{grid-template-columns:1fr}
  .hero-content h1{font-size:2.2rem}
  .page-hero{padding:160px 0 60px}
}