/* ============================================================
   THE SUN HOTEL — giao diện chính
   Ý tưởng: màu trời đổi theo giờ thật trong ngày ở Biên Hoà
   ============================================================ */

:root{
  --deep:#10233A;      /* xanh sông đêm */
  --night:#0B1828;
  --ink:#16202B;
  --mist:#EEF2F5;      /* sương sông */
  --paper:#FFFFFF;
  --sun:#F2A03D;       /* nắng */
  --ember:#E2603C;     /* hoàng hôn */
  --muted:#64778A;
  --line:#DBE3EA;

  --sky-1:#BFE0F5; --sky-2:#EAF4FB; --sky-3:#F7FBFD;
  --glow:rgba(242,160,61,.28);

  --wrap:1200px;
  --r:16px;
  --shadow:0 18px 44px -24px rgba(16,35,58,.45);
  --font-d:"Newsreader",Georgia,serif;
  --font-b:"Be Vietnam Pro",system-ui,-apple-system,sans-serif;
}

/* bảng màu trời theo khung giờ */
body[data-phase="binh-minh"]{ --sky-1:#FFD9A0; --sky-2:#FFB08A; --sky-3:#CFE0EE; --glow:rgba(255,176,138,.4); }
body[data-phase="ban-ngay"] { --sky-1:#9FCDEC; --sky-2:#CFE7F7; --sky-3:#F2F8FC; --glow:rgba(242,160,61,.26); }
body[data-phase="hoang-hon"]{ --sky-1:#FF9A5B; --sky-2:#E2603C; --sky-3:#6B4A72; --glow:rgba(226,96,60,.45); }
body[data-phase="ban-dem"]  { --sky-1:#0E1D2E; --sky-2:#17324F; --sky-3:#25476B; --glow:rgba(242,160,61,.34); }

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font-b);font-size:16px;line-height:1.7;
  color:var(--ink);background:var(--mist);-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-d);font-weight:400;line-height:1.15;margin:0}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}
:focus-visible{outline:3px solid var(--sun);outline-offset:3px;border-radius:6px}

/* dải trời mờ chạy suốt trang, đổi theo giờ */
.skyline{
  position:fixed;inset:0 0 auto 0;height:62vh;z-index:0;pointer-events:none;
  background:linear-gradient(175deg,var(--sky-1) 0%,var(--sky-2) 45%,var(--sky-3) 78%,var(--mist) 100%);
  transition:background 1.2s ease;
}
.skyline__sun{
  position:absolute;right:12%;top:16%;width:150px;height:150px;border-radius:50%;
  background:radial-gradient(circle,var(--sun) 0%,var(--glow) 45%,transparent 70%);
  filter:blur(2px);opacity:.85;animation:float 14s ease-in-out infinite;
}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-18px)}}

/* ---------- thanh trên cùng ---------- */
.topbar{position:relative;z-index:5;font-size:13.5px;padding:10px 0;color:var(--deep)}
body[data-phase="ban-dem"] .topbar,body[data-phase="hoang-hon"] .topbar{color:#EAF2F8}
.topbar__in{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;align-items:center}
.topbar__right{display:flex;gap:20px;flex-wrap:wrap}
.topbar__item{opacity:.9}
.topbar__item:hover{opacity:1;text-decoration:underline}
.topbar__item--hot{font-weight:600}

/* ---------- điều hướng ---------- */
.nav{position:sticky;top:0;z-index:60;backdrop-filter:blur(14px);background:rgba(255,255,255,.72);border-bottom:1px solid rgba(219,227,234,.7);transition:.3s}
.nav.is-stuck{background:rgba(255,255,255,.94);box-shadow:0 10px 30px -22px rgba(16,35,58,.5)}
.nav__in{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:76px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:46px;width:auto;object-fit:contain}
.brand__txt{display:flex;flex-direction:column;line-height:1.05}
.brand__txt strong{font-family:var(--font-d);font-size:23px;font-weight:500;letter-spacing:.2px}
.brand__txt em{font-style:normal;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);margin-top:3px}

.menu{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.menu>li{position:relative}
.menu>li>a{display:block;padding:10px 13px;font-size:14.5px;font-weight:500;color:var(--deep);border-radius:9px;transition:.2s}
.menu>li>a:hover{background:rgba(242,160,61,.14)}
.menu>li>a.is-on{color:var(--ember)}
.menu>li>a.is-on::after{content:"";display:block;height:2px;background:var(--sun);margin-top:4px;border-radius:2px}
.menu__cta{margin-left:8px}
.sub{position:absolute;top:100%;left:0;min-width:230px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);list-style:none;margin:8px 0 0;padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.22s}
.has-sub:hover .sub,.has-sub:focus-within .sub{opacity:1;visibility:visible;transform:none}
.sub a{display:block;padding:9px 12px;border-radius:8px;font-size:14px}
.sub a:hover{background:var(--mist);color:var(--ember)}

.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:10px;cursor:pointer}
.burger span{width:24px;height:2px;background:var(--deep);border-radius:2px;transition:.25s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- nút ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 24px;border-radius:999px;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:.22s;font-family:var(--font-b)}
.btn--sun{background:var(--sun);color:var(--deep);box-shadow:0 10px 26px -12px rgba(242,160,61,.9)}
.btn--sun:hover{background:#FFB25A;transform:translateY(-2px)}
.btn--deep{background:var(--deep);color:#fff}
.btn--deep:hover{background:#1A3557;transform:translateY(-2px)}
.btn--ghost{border-color:currentColor;color:var(--deep)}
.btn--ghost:hover{background:var(--deep);color:#fff}
.btn--block{width:100%}

/* ---------- HERO ---------- */
.hero{position:relative;z-index:2;padding:56px 0 0}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.hero__eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--deep);background:rgba(255,255,255,.6);border:1px solid rgba(255,255,255,.9);padding:7px 15px;border-radius:999px;margin-bottom:20px}
body[data-phase="ban-dem"] .hero__eyebrow,body[data-phase="hoang-hon"] .hero__eyebrow{color:#fff;background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.25)}
.hero__eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--sun);box-shadow:0 0 0 4px var(--glow);font-style:normal;animation:pulse 2.6s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 9px transparent}}
.hero h1{font-size:clamp(42px,6vw,74px);letter-spacing:-.02em;color:var(--deep)}
.hero h1 em{font-style:italic;color:var(--ember)}
body[data-phase="ban-dem"] .hero h1,body[data-phase="hoang-hon"] .hero h1{color:#fff}
body[data-phase="ban-dem"] .hero h1 em,body[data-phase="hoang-hon"] .hero h1 em{color:var(--sun)}
.hero__lead{font-size:17.5px;max-width:48ch;margin-top:20px;color:#33475C}
body[data-phase="ban-dem"] .hero__lead,body[data-phase="hoang-hon"] .hero__lead{color:rgba(255,255,255,.86)}
.hero__acts{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
body[data-phase="ban-dem"] .hero__acts .btn--ghost,body[data-phase="hoang-hon"] .hero__acts .btn--ghost{color:#fff}

.hero__stack{position:relative;height:520px}
.hero__stack figure{position:absolute;margin:0;border-radius:22px;overflow:hidden;box-shadow:0 30px 60px -30px rgba(11,24,40,.7);border:5px solid #fff}
.hero__stack figure img{width:100%;height:100%;object-fit:cover}
.hero__stack .f1{width:66%;height:74%;top:0;right:0;z-index:2}
.hero__stack .f2{width:52%;height:52%;bottom:0;left:0;z-index:3}
.hero__stack .f3{width:40%;height:34%;top:38%;right:52%;z-index:1;opacity:.95}
.hero__badge{position:absolute;z-index:4;right:6%;bottom:6%;background:#fff;border-radius:16px;padding:14px 18px;box-shadow:var(--shadow);text-align:center}
.hero__badge b{display:block;font-family:var(--font-d);font-size:30px;color:var(--ember);line-height:1}
.hero__badge span{font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

/* ---------- thanh tìm phòng ---------- */
.finder{position:relative;z-index:6;margin-top:-10px;padding:44px 0 0}
.finder__box{background:#fff;border-radius:22px;box-shadow:var(--shadow);border:1px solid var(--line);padding:22px}
.finder__row{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;align-items:end}
.field label{display:block;font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:7px;font-weight:600}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:11px;font-family:var(--font-b);
  font-size:15px;color:var(--ink);background:#FBFCFD;transition:.2s
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--sun);background:#fff;outline:none;box-shadow:0 0 0 4px rgba(242,160,61,.16)}
.field textarea{min-height:120px;resize:vertical}
.finder__note{margin:14px 0 0;font-size:13.5px;color:var(--muted)}
.finder__note b{color:var(--ember)}

/* ---------- khung mục ---------- */
.sec{position:relative;z-index:2;padding:88px 0}
.sec--paper{background:var(--paper)}
.sec--deep{background:var(--deep);color:#E7EEF4}
.sec--deep h2,.sec--deep h3{color:#fff}
.sec__head{max-width:760px;margin-bottom:44px}
.sec__head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:block;font-size:11.5px;letter-spacing:.24em;text-transform:uppercase;color:var(--ember);font-weight:600;margin-bottom:14px}
.sec h2{font-size:clamp(30px,4vw,46px);letter-spacing:-.015em}
.sec__head p{margin-top:14px;color:var(--muted);font-size:17px}
.sec--deep .sec__head p{color:rgba(231,238,244,.72)}

/* ---------- danh sách phòng (bố cục xen kẽ) ---------- */
.rooms{display:flex;flex-direction:column;gap:26px}
.roomcard{display:grid;grid-template-columns:1.1fr 1fr;background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;transition:.3s}
.roomcard:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(242,160,61,.5)}
.roomcard:nth-child(even) .roomcard__media{order:2}
.roomcard__media{position:relative;min-height:320px;overflow:hidden;background:var(--mist)}
.roomcard__media img{width:100%;height:100%;object-fit:cover;transition:transform .7s cubic-bezier(.2,.7,.3,1)}
.roomcard:hover .roomcard__media img{transform:scale(1.06)}
.roomcard__tag{position:absolute;top:16px;left:16px;background:rgba(16,35,58,.86);color:#fff;font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;padding:7px 13px;border-radius:999px}
.roomcard__body{padding:34px;display:flex;flex-direction:column}
.roomcard__body h3{font-size:29px}
.roomcard__en{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin:8px 0 14px}
.roomcard__desc{color:#44586C;font-size:15.5px}
.specs{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 20px;padding:0;list-style:none}
.specs li{font-size:13px;background:var(--mist);border-radius:8px;padding:6px 11px;color:#3D5266}
.roomcard__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:18px;border-top:1px dashed var(--line)}
.price{font-family:var(--font-d);font-size:26px;color:var(--deep)}
.price small{font-family:var(--font-b);font-size:13px;color:var(--muted);font-weight:400}
.price--ask{font-size:19px;color:var(--ember)}

/* ---------- nhịp một ngày (điểm nhấn) ---------- */
.daily{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-radius:20px;overflow:hidden;border:1px solid rgba(255,255,255,.14)}
.daily__col{padding:30px 24px;position:relative;transition:.35s;border-right:1px solid rgba(255,255,255,.12)}
.daily__col:last-child{border-right:0}
.daily__col b{display:block;font-family:var(--font-d);font-size:32px;color:var(--sun);line-height:1}
.daily__col h4{font-size:19px;margin:12px 0 8px;color:#fff}
.daily__col p{font-size:14.5px;color:rgba(231,238,244,.7);margin:0}
.daily__col.is-now{background:linear-gradient(180deg,rgba(242,160,61,.22),transparent)}
.daily__col.is-now::before{content:"đang diễn ra";position:absolute;top:14px;right:16px;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--sun)}

/* ---------- thư viện ---------- */
.filters{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:28px}
.filters button{padding:9px 18px;border-radius:999px;border:1px solid var(--line);background:#fff;font-family:var(--font-b);font-size:14px;cursor:pointer;transition:.2s;color:var(--deep)}
.filters button:hover{border-color:var(--sun)}
.filters button.is-on{background:var(--deep);color:#fff;border-color:var(--deep)}
.masonry{columns:4;column-gap:16px}
.masonry figure{margin:0 0 16px;break-inside:avoid;border-radius:14px;overflow:hidden;position:relative;cursor:zoom-in;background:#fff}
.masonry img{width:100%;transition:transform .6s,filter .4s}
.masonry figure:hover img{transform:scale(1.05);filter:brightness(.82)}
.masonry figcaption{position:absolute;left:0;right:0;bottom:0;padding:22px 14px 12px;color:#fff;font-size:13.5px;background:linear-gradient(transparent,rgba(11,24,40,.8));opacity:0;transition:.3s}
.masonry figure:hover figcaption{opacity:1}

.lightbox{position:fixed;inset:0;z-index:200;background:rgba(8,17,28,.94);display:none;place-items:center;padding:28px}
.lightbox.is-open{display:grid}
.lightbox img{max-width:92vw;max-height:82vh;border-radius:10px;box-shadow:0 40px 90px -30px #000}
.lightbox__cap{color:#C9D6E2;text-align:center;margin-top:14px;font-size:14px}
.lightbox button{position:absolute;background:rgba(255,255,255,.12);border:0;color:#fff;width:52px;height:52px;border-radius:50%;font-size:24px;cursor:pointer;transition:.2s}
.lightbox button:hover{background:var(--sun);color:var(--deep)}
.lb-close{top:24px;right:24px}
.lb-prev{left:22px;top:50%;transform:translateY(-50%)}
.lb-next{right:22px;top:50%;transform:translateY(-50%)}

/* ---------- đánh giá ---------- */
.slider{position:relative;overflow:hidden}
.slider__track{display:flex;transition:transform .55s cubic-bezier(.3,.8,.3,1)}
.review{min-width:100%;padding:6px}
.review__box{background:#fff;border:1px solid var(--line);border-radius:20px;padding:38px;display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:center}
.review__box img{width:88px;height:88px;border-radius:50%;object-fit:cover;border:3px solid var(--sun)}
.review__q{font-family:var(--font-d);font-size:21px;line-height:1.55;color:var(--deep);font-style:italic}
.review__who{margin-top:14px;font-size:14px;color:var(--muted)}
.review__who b{color:var(--ember);font-weight:600}
.stars{color:var(--sun);letter-spacing:3px;font-size:15px}
.slider__nav{display:flex;gap:9px;justify-content:center;margin-top:26px}
.slider__nav button{width:11px;height:11px;border-radius:50%;border:0;background:var(--line);cursor:pointer;transition:.25s;padding:0}
.slider__nav button.is-on{background:var(--sun);width:30px;border-radius:6px}

/* ---------- tin tức ---------- */
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.newscard{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;transition:.3s}
.newscard:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.newscard__img{height:210px;overflow:hidden}
.newscard__img img{width:100%;height:100%;object-fit:cover;transition:.6s}
.newscard:hover .newscard__img img{transform:scale(1.07)}
.newscard__body{padding:24px;display:flex;flex-direction:column;flex:1}
.newscard time{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.newscard h3{font-size:21px;margin:10px 0 10px}
.newscard p{font-size:14.5px;color:#4B5F72;flex:1}
.readmore{color:var(--ember);font-weight:600;font-size:14px}
.readmore::after{content:" →";transition:.2s;display:inline-block}
.newscard:hover .readmore::after{transform:translateX(5px)}

/* ---------- dải kêu gọi ---------- */
.cta{position:relative;z-index:2;background:linear-gradient(120deg,var(--deep),#1B3A5E);color:#fff;padding:64px 0}
.cta__in{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta h2{font-size:clamp(27px,3.4vw,40px)}
.cta p{color:rgba(255,255,255,.72);margin:10px 0 0}

/* ---------- trang trong ---------- */
.phead{position:relative;z-index:2;padding:60px 0 26px;text-align:center}
.phead h1{font-size:clamp(34px,5vw,54px);color:var(--deep)}
body[data-phase="ban-dem"] .phead h1,body[data-phase="hoang-hon"] .phead h1{color:#fff}
.phead p{margin-top:12px;color:#3E5468}
body[data-phase="ban-dem"] .phead p,body[data-phase="hoang-hon"] .phead p{color:rgba(255,255,255,.8)}
.crumb{font-size:13px;color:var(--muted);margin-bottom:14px}
.crumb a:hover{color:var(--ember)}
.card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:36px}
.prose{font-size:16.5px;color:#33475C}
.prose h2,.prose h3{color:var(--deep);margin:26px 0 12px}
.prose ol,.prose ul{padding-left:22px}
.prose li{margin-bottom:12px}
.prose strong{color:var(--deep)}

/* ---------- chi tiết phòng ---------- */
.detail{display:grid;grid-template-columns:1.35fr .65fr;gap:34px;align-items:start}
.gal__main{border-radius:20px;overflow:hidden;aspect-ratio:4/3;background:var(--mist)}
.gal__main img{width:100%;height:100%;object-fit:cover}
.gal__thumbs{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:12px}
.gal__thumbs img{border-radius:10px;aspect-ratio:1;object-fit:cover;cursor:pointer;opacity:.6;transition:.25s;border:2px solid transparent}
.gal__thumbs img:hover,.gal__thumbs img.is-on{opacity:1;border-color:var(--sun)}
.amen{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;list-style:none;padding:0;margin:18px 0 0}
.amen li{display:flex;gap:9px;align-items:flex-start;font-size:14.5px;color:#3D5266}
.amen li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--sun);margin-top:9px;flex:none}
.aside{position:sticky;top:100px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:var(--shadow)}
.aside__price{font-family:var(--font-d);font-size:32px;color:var(--deep);line-height:1.1}
.aside__price small{display:block;font-family:var(--font-b);font-size:13px;color:var(--muted);margin-top:4px}

/* ---------- biểu mẫu / đặt phòng ---------- */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.form-grid .full{grid-column:1/-1}
.summary{background:var(--deep);color:#fff;border-radius:20px;padding:28px;position:sticky;top:100px}
.summary h3{font-size:22px;color:#fff;margin-bottom:18px}
.summary__row{display:flex;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.16);font-size:14.5px}
.summary__row span{color:rgba(255,255,255,.66)}
.summary__row b{font-weight:600}
.summary__total{display:flex;justify-content:space-between;align-items:baseline;margin-top:18px;padding-top:16px;border-top:2px solid rgba(255,255,255,.2)}
.summary__total b{font-family:var(--font-d);font-size:30px;color:var(--sun)}
.avail{margin-top:14px;font-size:14px;padding:12px 14px;border-radius:11px;background:rgba(255,255,255,.08)}
.avail.ok{color:#9BE7C4}
.avail.no{color:#FFB0A0}

.flash{padding:15px 18px;border-radius:13px;margin-bottom:22px;font-size:15px;border:1px solid}
.flash--ok{background:#E8F7F0;border-color:#9BD8BB;color:#1B6B4A}
.flash--err{background:#FDEDEA;border-color:#F2B5A6;color:#A8412A}

.ticket{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px;max-width:640px;margin:0 auto;text-align:center}
.ticket__code{font-family:var(--font-d);font-size:40px;letter-spacing:.06em;color:var(--ember);margin:10px 0 6px}
.ticket__tbl{width:100%;border-collapse:collapse;margin-top:22px;text-align:left;font-size:15px}
.ticket__tbl th{color:var(--muted);font-weight:500;padding:11px 0;width:44%;border-bottom:1px solid var(--line)}
.ticket__tbl td{padding:11px 0;border-bottom:1px solid var(--line);font-weight:500}
.badge{display:inline-block;padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:600}
.badge--pending{background:#FFF3DF;color:#9A6412}
.badge--confirmed{background:#E4F6ED;color:#186B4A}
.badge--cancelled{background:#FBE9E6;color:#A8412A}
.badge--done{background:#EAF0F6;color:#3C5673}

/* ---------- liên hệ ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start}
.infolist{list-style:none;padding:0;margin:0}
.infolist li{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.infolist strong{display:block;font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:4px;font-weight:600}
.infolist a:hover{color:var(--ember)}
.ico{width:42px;height:42px;flex:none;border-radius:12px;background:var(--mist);display:grid;place-items:center;color:var(--ember)}
.ico svg{width:20px;height:20px;fill:currentColor}

/* ---------- chân trang ---------- */
.foot{position:relative;z-index:2;background:var(--night);color:#B9C8D6;padding-top:64px;margin-top:0}
.foot__grid{display:grid;grid-template-columns:1.3fr 1.2fr .9fr .9fr;gap:38px;padding-bottom:44px}
.foot h4{color:#fff;font-size:18px;margin-bottom:16px}
.foot__logo{height:52px;width:auto;object-fit:contain;filter:brightness(0) invert(1);opacity:.92}
.foot__tag{margin-top:16px;font-size:15px}
.foot__meta{font-size:13px;color:#7A8FA3}
.foot__list{list-style:none;padding:0;margin:0}
.foot__list li{margin-bottom:14px;font-size:14.5px}
.foot__list span{display:block;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:#6E8399;margin-bottom:3px}
.foot__list a:hover,.foot__links a:hover{color:var(--sun)}
.foot__links{list-style:none;padding:0;margin:0}
.foot__links li{margin-bottom:11px;font-size:14.5px}
.foot__time strong{color:var(--sun);font-family:var(--font-d);font-size:22px}
.counter{margin-top:22px}
.counter>span{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:#6E8399}
.counter__num{display:flex;gap:4px;margin:8px 0 6px}
.counter__num b{background:#152B44;border:1px solid #22405f;border-radius:6px;padding:5px 8px;font-family:var(--font-d);font-size:18px;color:var(--sun)}
.counter small{font-size:12px;color:#6E8399}
.foot__map{height:280px;filter:grayscale(.4) contrast(1.05)}
.foot__map iframe{width:100%;height:100%;border:0;display:block}
.foot__bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:20px;padding-bottom:20px;font-size:13.5px;color:#6E8399}
.foot__bottom a:hover{color:var(--sun)}

/* ---------- dock liên hệ ---------- */
.dock{position:fixed;left:14px;bottom:14px;z-index:120;display:flex;flex-direction:column;gap:9px}
.dock__i{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;color:#fff;box-shadow:0 8px 20px -8px rgba(0,0,0,.6);position:relative;transition:.25s}
.dock__i svg{width:21px;height:21px;fill:currentColor}
.dock__i b{font-size:13px;font-weight:700}
.dock__i span{position:absolute;left:58px;white-space:nowrap;background:var(--deep);color:#fff;font-size:12.5px;padding:6px 12px;border-radius:8px;opacity:0;pointer-events:none;transform:translateX(-6px);transition:.22s}
.dock__i:hover span{opacity:1;transform:none}
.dock__i:hover{transform:scale(1.09)}
.dock__i--call{background:#1F9D55;animation:ring 2.4s infinite}
.dock__i--zalo{background:#0068FF}
.dock__i--sms{background:#5B6FA8}
.dock__i--map{background:var(--ember)}
.dock__i--book{background:var(--sun);color:var(--deep)}
@keyframes ring{0%,100%{box-shadow:0 0 0 0 rgba(31,157,85,.55)}70%{box-shadow:0 0 0 14px transparent}}

.totop{position:fixed;right:16px;bottom:16px;z-index:120;width:46px;height:46px;border-radius:50%;border:0;background:var(--deep);color:#fff;font-size:19px;cursor:pointer;opacity:0;pointer-events:none;transition:.3s}
.totop.is-on{opacity:1;pointer-events:auto}
.totop:hover{background:var(--sun);color:var(--deep)}

/* ---------- hiệu ứng cuộn ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .hero__grid{grid-template-columns:1fr;gap:34px}
  .hero__stack{height:400px}
  .finder__row{grid-template-columns:repeat(2,1fr)}
  .masonry{columns:3}
  .news{grid-template-columns:repeat(2,1fr)}
  .foot__grid{grid-template-columns:1fr 1fr}
  .detail{grid-template-columns:1fr}
  .aside,.summary{position:static}
  .daily{grid-template-columns:repeat(2,1fr)}
  .daily__col:nth-child(2){border-right:0}
}
@media (max-width:820px){
  .burger{display:flex}
  .menu{position:fixed;inset:76px 0 auto 0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:14px 18px 26px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);max-height:calc(100vh - 76px);overflow:auto;display:none}
  .menu.is-open{display:flex}
  .menu>li>a{padding:14px 8px;border-bottom:1px solid var(--line)}
  .sub{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;margin:0;padding:0 0 0 14px}
  .roomcard{grid-template-columns:1fr}
  .roomcard:nth-child(even) .roomcard__media{order:0}
  .roomcard__media{min-height:230px}
  .contact-grid,.form-grid{grid-template-columns:1fr}
  .review__box{grid-template-columns:1fr;text-align:center;justify-items:center;padding:28px}
  .masonry{columns:2}
  .news{grid-template-columns:1fr}
  .topbar__in{justify-content:center;text-align:center;font-size:12.5px}
  .sec{padding:62px 0}
  .cta__in{flex-direction:column;text-align:center}
  .dock{flex-direction:row;left:50%;transform:translateX(-50%);bottom:12px;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);padding:7px;border-radius:999px;box-shadow:var(--shadow)}
  .dock__i{width:42px;height:42px}
  .dock__i span{display:none}
  .totop{bottom:74px}
  .gal__thumbs{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:520px){
  .finder__row{grid-template-columns:1fr}
  .masonry{columns:1}
  .daily{grid-template-columns:1fr}
  .daily__col{border-right:0;border-bottom:1px solid rgba(255,255,255,.12)}
  .foot__grid{grid-template-columns:1fr}
  .amen{grid-template-columns:1fr}
  .card{padding:24px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}