:root{
  --navy:#1e3a4c;
  --navy-2:#294b5f;
  --accent:#e85d45;
  --accent-dark:#d94e37;
  --cream:#f8f7f4;
  --paper:#fff;
  --text:#263238;
  --muted:#71808a;
  --line:#e4e7e8;
  --shadow:0 18px 50px rgba(24,47,60,.10);
  --radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--text);background:var(--paper);font-family:Inter,system-ui,sans-serif;line-height:1.65}
button,input,select{font:inherit}
button{cursor:pointer}
a{color:inherit;text-decoration:none}
.container{width:min(1160px,calc(100% - 40px));margin:auto}
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;padding:16px 0;transition:.3s}
.site-header.scrolled{background:rgba(255,255,255,.95);backdrop-filter:blur(14px);box-shadow:0 8px 30px rgba(0,0,0,.07);padding:10px 0}
.nav{display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{width:40px;height:40px;border:1.5px solid currentColor;border-radius:50%;display:grid;place-items:center;font-size:22px}

/* ĐÃ THÊM LỆNH CHO LOGO HÌNH TRÒN */
.brand-logo{
  width:44px;
  height:44px;
  border-radius:50%;
  object-fit:cover;
  border:2px solid var(--accent);
  background-color:#fff;
  box-shadow:0 2px 8px rgba(0,0,0,0.08);
}

.brand-name{display:block;font-family:"Playfair Display",serif;font-size:22px;font-weight:700;line-height:1}
.brand-name b{color:var(--accent)}
.brand small{display:block;margin-top:3px;font-size:8px;letter-spacing:1.8px;font-weight:700;opacity:.65}
.nav-links{display:flex;align-items:center;gap:30px;font-size:14px;font-weight:600}
.nav-links a{transition:.2s}
.nav-links a:hover{color:var(--accent)}
.nav-cta,.primary-btn{background:var(--accent);color:#fff!important;border:0;border-radius:999px;padding:12px 22px;font-weight:700;box-shadow:0 10px 24px rgba(232,93,69,.22);transition:.2s}
.nav-cta:hover,.primary-btn:hover{background:var(--accent-dark);transform:translateY(-2px)}
.menu-toggle{display:none;background:none;border:0;font-size:26px}

.hero{min-height:760px;position:relative;color:#fff;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,27,38,.72),rgba(10,27,38,.35) 60%,rgba(10,27,38,.22))}
.hero-content{position:relative;z-index:1;padding-top:100px}
.eyebrow{display:inline-block;font-size:11px;font-weight:800;letter-spacing:2px}
.eyebrow.accent{color:var(--accent)}
.hero h1{font-family:"Playfair Display",serif;font-size:clamp(44px,6vw,78px);line-height:1.04;margin:18px 0 18px;max-width:820px}
em{font-style:normal;color:var(--accent)}
.hero p{max-width:650px;font-size:18px;color:rgba(255,255,255,.88);margin-bottom:38px}
.booking-bar{display:grid;grid-template-columns:1fr 1fr 1.15fr auto;align-items:stretch;background:#fff;color:var(--text);border-radius:18px;padding:8px;max-width:960px;box-shadow:0 24px 60px rgba(0,0,0,.22)}
.booking-field{position:relative;padding:9px 16px 7px 42px;border-right:1px solid var(--line)}
.field-icon{position:absolute;left:15px;top:26px;color:var(--accent);font-size:18px}
.booking-field label{display:block;font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:1px;color:var(--muted)}
.booking-field input,.booking-field select{width:100%;border:0;outline:0;background:none;padding:3px 0;font-weight:600;color:var(--text)}
.booking-search{margin:4px;border:0;border-radius:13px;background:var(--accent);color:#fff;padding:0 25px;font-weight:800}
.scroll-hint{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);font-size:11px;letter-spacing:1px;opacity:.85}
.scroll-hint span{margin-left:8px;font-size:18px}

.section{padding:105px 0}
.intro{background:var(--cream)}
.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.intro-image{min-height:530px;border-radius:var(--radius);background-size:cover;background-position:center;box-shadow:var(--shadow)}
.image-placeholder{position:relative;overflow:hidden;background-color:#dce4e6}
.image-placeholder:has(span){display:grid;place-items:center}
.image-placeholder>span{background:rgba(255,255,255,.82);color:var(--navy);padding:7px 11px;border-radius:999px;font-size:10px;font-weight:800;letter-spacing:1px}
.intro-copy h2,.section-heading h2,.location-copy h2,.group-room-copy h2{font-family:"Playfair Display",serif;font-size:clamp(34px,4vw,52px);line-height:1.1;color:var(--navy);margin:14px 0 22px}
.intro-copy p{color:var(--muted);max-width:540px}
.text-link{display:inline-block;margin-top:15px;font-weight:800;color:var(--navy)}
.text-link span{color:var(--accent);margin-left:6px}

.section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:48px}
.section-heading h2{margin:10px 0 0}
.section-heading>p{max-width:430px;color:var(--muted);margin:0}
.center{text-align:center;display:block}
.center p{margin:15px auto 0}
.benefits{background:#fff}
.benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.benefit-card{padding:30px 25px;border:1px solid var(--line);border-radius:18px;transition:.25s}
.benefit-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.benefit-icon{font-size:27px;color:var(--accent);margin-bottom:16px}
.benefit-card h3{color:var(--navy);font-size:17px;margin:0 0 8px}
.benefit-card p{color:var(--muted);font-size:14px;margin:0}

.rooms{background:var(--cream)}
.room-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.room-card{background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 10px 35px rgba(31,50,60,.07)}
.room-image{height:275px;background-size:cover;background-position:center;position:relative}
.room-image>span{position:absolute;left:18px;top:18px}
.room-tag{position:absolute;right:16px;top:16px;background:rgba(30,58,76,.9);color:#fff;border-radius:999px;padding:6px 11px;font-size:10px;font-weight:800}
.room-body{padding:25px}
.room-body h3{font-family:"Playfair Display",serif;color:var(--navy);font-size:27px;margin:0 0 5px}
.room-body p{color:var(--muted);font-size:14px;margin:0 0 18px}
.room-meta{display:flex;gap:15px;flex-wrap:wrap;font-size:11px;font-weight:700;color:#687881;border-top:1px solid var(--line);padding-top:16px}
.room-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:22px}
.room-bottom strong{font-size:12px;color:var(--muted)}
.room-bottom strong b{font-size:17px;color:var(--navy)}
.room-bottom small{font-weight:500}
.outline-btn{border:1px solid var(--accent);background:#fff;color:var(--accent);border-radius:999px;padding:9px 15px;font-weight:800;font-size:11px}
.outline-btn:hover{background:var(--accent);color:#fff}

.group-room{margin-top:65px;display:grid;grid-template-columns:1.2fr 1fr;background:var(--navy);border-radius:24px;overflow:hidden;color:#fff}
.group-room-image{min-height:470px;background-size:cover;background-position:center}
.group-room-copy{padding:55px 52px}
.group-room-copy h2{color:#fff}
.group-room-copy p{color:rgba(255,255,255,.75)}
.group-room-copy ul{list-style:none;padding:0;margin:25px 0}
.group-room-copy li{margin:10px 0;color:rgba(255,255,255,.9)}
.group-room-copy li:before{content:"✓";color:#f3a091;margin-right:10px}
.inline-btn{display:inline-block}

.gallery-section{background:#fff}
.gallery-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;grid-auto-rows:230px;gap:15px}
.gallery-item{border:0;padding:0;background-size:cover;background-position:center;border-radius:16px;position:relative;overflow:hidden}
.gallery-item.large{grid-row:span 2}
.gallery-item.wide{grid-column:span 2}
.gallery-item:after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 50%,rgba(0,0,0,.3));opacity:.4}
.gallery-item>span{position:absolute;z-index:2;left:15px;bottom:15px;color:#fff;background:rgba(0,0,0,.3);border-radius:999px;padding:5px 9px;font-size:9px;font-weight:800}

.location{background:var(--cream)}
.location-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:80px;align-items:center}
.map-placeholder{min-height:500px;border-radius:24px;background:linear-gradient(135deg,#d8e1e1,#eef1ed);display:grid;place-items:center;text-align:center;box-shadow:var(--shadow)}
.map-pin{display:block;font-size:45px;color:var(--accent)}
.map-placeholder strong{display:block;color:var(--navy);font-size:22px}
.map-placeholder small{color:var(--muted)}
.location-copy p{color:var(--muted)}
.location-list{margin:30px 0}
.location-list>div{display:flex;gap:15px;padding:15px 0;border-bottom:1px solid var(--line)}
.location-list span{font-size:21px;color:var(--accent)}
.location-list b,.location-list small{display:block}
.location-list small{color:var(--muted)}

.testimonials{background:#fff}
.testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
blockquote{margin:0;padding:35px;background:var(--cream);border-radius:18px}
.stars{color:#e8a23d;letter-spacing:3px}
blockquote p{font-family:"Playfair Display",serif;font-size:20px;line-height:1.45;color:var(--navy)}
blockquote footer{color:var(--muted);font-size:12px;font-weight:700}

.booking-section{background:var(--navy);padding:90px 0}
.booking-card{display:grid;grid-template-columns:.85fr 1.15fr;background:#fff;border-radius:25px;overflow:hidden;box-shadow:0 25px 70px rgba(0,0,0,.22)}
.booking-intro{padding:55px;background:linear-gradient(145deg,#294b5f,#1e3a4c);color:#fff}
.booking-intro h2{font-family:"Playfair Display",serif;font-size:45px;line-height:1.1;margin:16px 0}
.booking-intro p{color:rgba(255,255,255,.72)}
.secure{margin-top:35px;border:1px solid rgba(255,255,255,.15);padding:14px;border-radius:12px;font-size:11px;color:rgba(255,255,255,.75)}
.booking-card form{padding:55px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.8px;margin-bottom:8px;color:var(--navy)}
.form-group input,.form-group select{width:100%;padding:14px 15px;border:1px solid var(--line);border-radius:12px;outline:none;background:#fff;color:var(--text)}
.form-group input:focus,.form-group select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(232,93,69,.1)}
.submit-btn{width:100%;padding:16px;margin-top:5px}

.footer{background:#122b39;color:#fff;padding:65px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1fr;gap:45px;padding-bottom:55px}
.footer p,.footer span,.footer a{color:rgba(255,255,255,.62);font-size:13px}
.footer-grid h4{margin:0 0 15px}
.footer-grid a,.footer-grid span{display:block;margin:7px 0}
.footer-brand{margin-bottom:15px}
.footer-brand .brand-mark{color:#fff}
.footer-brand .brand-name{color:#fff}
.footer-bottom{text-align:center;border-top:1px solid rgba(255,255,255,.1);padding:18px;font-size:11px;color:rgba(255,255,255,.4)}

.sticky-booking{position:fixed;left:50%;bottom:18px;transform:translate(-50%,120px);z-index:45;background:#fff;border:1px solid var(--line);box-shadow:0 15px 45px rgba(0,0,0,.16);border-radius:999px;padding:8px 9px 8px 20px;display:flex;align-items:center;gap:20px;font-size:12px;transition:.35s}
.sticky-booking.show{transform:translate(-50%,0)}
.sticky-booking a{background:var(--accent);color:#fff;border-radius:999px;padding:10px 17px;font-weight:800}

.lightbox{position:fixed;inset:0;background:rgba(5,16,22,.9);z-index:100;display:none;align-items:center;justify-content:center;padding:30px}
.lightbox.open{display:flex}
.lightbox img{max-width:min(1100px,90vw);max-height:82vh;border-radius:12px}
.lightbox p{position:absolute;bottom:20px;color:#fff}
.lightbox-close{position:absolute;top:20px;right:28px;background:none;color:#fff;border:0;font-size:42px}
.toast{position:fixed;right:20px;bottom:20px;z-index:110;background:var(--navy);color:#fff;padding:14px 18px;border-radius:12px;box-shadow:var(--shadow);opacity:0;pointer-events:none;transform:translateY(15px);transition:.3s;font-size:13px}
.toast.show{opacity:1;transform:none}

@media(max-width:900px){
  .nav-links{gap:16px}
  .hero{min-height:700px}
  .booking-bar{grid-template-columns:1fr 1fr}
  .booking-search{min-height:55px}
  .benefit-grid{grid-template-columns:1fr 1fr}
  .room-grid{grid-template-columns:1fr}
  .group-room,.booking-card,.location-grid,.intro-grid{grid-template-columns:1fr}
  .intro-image{min-height:400px}
  .group-room-image{min-height:350px}
  .location-grid{gap:35px}
  .testimonial-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .container{width:min(100% - 28px,1160px)}
  .site-header{padding:10px 0}
  .menu-toggle{display:block;color:var(--navy)}
  .nav-links{display:none;position:absolute;top:70px;left:14px;right:14px;background:#fff;padding:15px;border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
  .nav-links.open{display:flex}
  .nav-links a{padding:10px}
  .nav-cta{text-align:center}
  .brand-name{font-size:19px}
  .hero{min-height:760px}
  .hero-content{padding-top:80px}
  .hero h1{font-size:45px}
  .hero p{font-size:15px}
  .booking-bar{grid-template-columns:1fr}
  .booking-field{border-right:0;border-bottom:1px solid var(--line)}
  .booking-search{min-height:52px}
  .section{padding:75px 0}
  .section-heading{display:block}
  .section-heading>p{margin-top:15px}
  .benefit-grid{grid-template-columns:1fr}
  .gallery-grid{grid-template-columns:1fr 1fr;grid-auto-rows:180px}
  .gallery-item.large{grid-row:span 2}
  .gallery-item.wide{grid-column:span 2}
  .booking-intro,.booking-card form{padding:35px 25px}
  .booking-intro h2{font-size:36px}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .sticky-booking{left:10px;right:10px;bottom:10px;transform:translateY(120px);justify-content:space-between;padding-left:14px}
  .sticky-booking.show{transform:none}
  .sticky-booking span{font-size:10px}
}


/* ===== V2 individual room UX ===== */
.floor-tabs {
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin: 28px 0 34px;
}
.floor-tab {
  border:1px solid #dbe3e7;
  background:#fff;
  color:#42545e;
  border-radius:999px;
  padding:11px 18px;
  font:600 14px/1 Inter, sans-serif;
  cursor:pointer;
  transition:.2s ease;
}
.floor-tab:hover,
.floor-tab.active {
  background:#1e3a4c;
  color:#fff;
  border-color:#1e3a4c;
}
.room-kicker {
  display:block;
  margin-bottom:7px;
  font-size:11px;
  font-weight:700;
  letter-spacing:.12em;
  color:#e85d45;
}
.room-floor-badge {
  position:absolute;
  top:16px;
  left:16px;
  z-index:2;
  padding:7px 10px;
  border-radius:999px;
  background:rgba(255,255,255,.92);
  color:#1e3a4c;
  font-size:10px;
  font-weight:800;
  letter-spacing:.08em;
}
.room-image-overlay {
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,.05),rgba(0,0,0,.18));
}
.room-card {
  overflow:hidden;
}
.room-card .room-image {
  position:relative;
}
.room-card .room-body {
  min-height:255px;
}
.room-note {
  display:flex;
  align-items:flex-start;
  gap:12px;
  margin-top:30px;
  padding:15px 18px;
  border:1px solid #e4eaed;
  border-radius:14px;
  background:#f8f7f4;
  color:#65757d;
  font-size:13px;
}
.room-note > span {
  display:grid;
  place-items:center;
  width:24px;
  height:24px;
  flex:0 0 24px;
  border-radius:50%;
  background:#1e3a4c;
  color:#fff;
  font-weight:700;
}
.room-note p { margin:2px 0 0; }
.room-note code {
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:.92em;
  color:#1e3a4c;
}
.empty-rooms {
  grid-column:1/-1;
  padding:45px;
  text-align:center;
  border:1px dashed #cbd7dc;
  border-radius:18px;
  color:#72838c;
}
.room-modal {
  position:fixed;
  inset:0;
  z-index:1000;
  display:grid;
  place-items:center;
  padding:22px;
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transition:.2s ease;
}
.room-modal.is-open {
  opacity:1;
  visibility:visible;
  pointer-events:auto;
}
.room-modal-backdrop {
  position:absolute;
  inset:0;
  background:rgba(16,28,35,.72);
  backdrop-filter:blur(4px);
}
.room-modal-card {
  position:relative;
  z-index:1;
  width:min(960px,100%);
  max-height:min(760px,92vh);
  overflow:auto;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  background:#fff;
  border-radius:22px;
  box-shadow:0 30px 80px rgba(0,0,0,.25);
  transform:translateY(18px);
  transition:.25s ease;
}
.room-modal.is-open .room-modal-card { transform:none; }
.modal-close {
  position:absolute;
  top:14px;
  right:14px;
  z-index:3;
  width:42px;
  height:42px;
  border:0;
  border-radius:50%;
  background:rgba(255,255,255,.92);
  color:#1e3a4c;
  font-size:28px;
  cursor:pointer;
}
.room-modal-image {
  min-height:520px;
  background-position:center;
  background-size:cover;
}
.room-modal-content {
  padding:48px 42px 40px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.room-modal-content h2 {
  margin:8px 0 12px;
  color:#1e3a4c;
}
.room-modal-content > p {
  color:#66767f;
  line-height:1.75;
}
.room-detail-meta {
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:20px 0;
}
.room-detail-meta span,
.room-amenities span {
  display:inline-flex;
  align-items:center;
  padding:8px 11px;
  border-radius:9px;
  background:#f5f7f7;
  color:#53656e;
  font-size:12px;
  font-weight:600;
}
.room-amenities {
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.room-modal-bottom {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  margin-top:28px;
  padding-top:22px;
  border-top:1px solid #e8edef;
}
.room-modal-bottom small {
  display:block;
  color:#87949a;
  margin-bottom:4px;
}
.room-modal-bottom strong {
  color:#1e3a4c;
  font-size:20px;
}
body.modal-open { overflow:hidden; }

@media (max-width: 760px) {
  .floor-tabs {
    overflow-x:auto;
    flex-wrap:nowrap;
    padding-bottom:4px;
  }
  .floor-tab { white-space:nowrap; }
  .room-modal-card {
    grid-template-columns:1fr;
    max-height:90vh;
  }
  .room-modal-image { min-height:250px; }
  .room-modal-content { padding:28px 24px 30px; }
  .room-modal-bottom {
    align-items:flex-start;
    flex-direction:column;
  }
  .room-modal-bottom .primary-btn { width:100%; }
}
/* --- Nút bấm gọi điện thoại --- */
.phone-link {
    color: var(--accent); 
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: 0.2s ease;
}
.phone-link:hover {
    color: var(--accent-dark);
    text-decoration: underline;
}
/* --- Mạng xã hội --- */
/* --- Chỉnh icon Liên hệ trong Footer --- */
.footer-grid span i {
    width: 20px;
    color: var(--accent); /* Đổi icon thành màu cam cho nổi bật */
    margin-right: 5px;
    text-align: center;
}

/* --- Nút Mạng xã hội (Tròn xoe) --- */
.socials {
    display: flex;
    gap: 12px;
}

.socials a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px; /* Chiều rộng cố định */
    height: 42px; /* Chiều cao cố định bằng chiều rộng */
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 50%; /* Ép cắt thành hình tròn hoàn hảo */
    color: rgba(255, 255, 255, 0.85);
    transition: all 0.3s ease;
    text-decoration: none;
    padding: 0; /* Xóa khoảng đệm cũ */
}

/* Phóng to icon bên trong lên một chút */
.socials a i, .socials a span {
    font-size: 18px; 
}

/* Hiệu ứng nảy lên màu cam khi rê chuột vào */
.socials a:hover {
    background: var(--accent); 
    border-color: var(--accent);
    color: #fff;
    transform: translateY(-4px); 
}