/* Sân Golf Châu Đức — phong cách kênh Bất động sản */
:root{
  --navy:#0e2a47; --navy2:#12365c;
  --orange:#f26522; --orange-d:#d9531a;
  --price:#d0021b; --link:#1266dd;
  --ink:#1f2d3d; --muted:#6b7a8d; --line:#e6ebf1; --bg:#f4f6f9;
  --green:#1b7a3d;
  --radius:10px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;color:var(--ink);background:#fff;line-height:1.6;font-size:15px}
img{max-width:100%;display:block}
a{color:var(--link);text-decoration:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 16px}
.section{padding:56px 0}
.section.alt{background:var(--bg)}

/* ── section head (kiểu BĐS) ── */
.sec-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;gap:12px;flex-wrap:wrap}
.sec-head h2{font-size:22px;font-weight:800;text-transform:uppercase;display:flex;align-items:center;gap:10px}
.sec-bar{width:5px;height:26px;background:var(--orange);border-radius:3px;display:inline-block}
.sec-more{font-size:14px;font-weight:600}
.sec-tag{background:#e8f3ff;color:var(--link);font-size:12px;font-weight:600;padding:4px 12px;border-radius:20px}
.sec-tag.tag-soon{background:#fff4e8;color:var(--orange-d)}
.note{font-size:13px;color:var(--muted);margin-top:14px}
.note a{color:var(--link)}

/* ── topbar ── */
.topbar{background:var(--navy);color:#cdd9e5;font-size:13px}
.topbar-in{display:flex;justify-content:space-between;align-items:center;height:36px}
.tb-item{color:#cdd9e5;margin-right:18px}
.tb-item:hover{color:#fff}
.tb-item b{color:#fff}
.tb-sep{color:#4a6a8a;margin:0 4px}

/* ── header ── */
.site-header{background:#fff;position:sticky;top:0;z-index:50;box-shadow:0 2px 10px rgba(0,0,0,.08)}
.header-in{display:flex;align-items:center;gap:28px;height:74px}
.brand{display:flex;align-items:center;gap:10px;color:var(--navy)}
.brand img{height:52px;width:auto}
.brand-txt{font-weight:800;font-size:20px;line-height:1.1;display:flex;flex-direction:column}
.brand-txt em{font-style:normal;color:var(--green)}
.brand-txt small{font-size:11px;font-weight:500;color:var(--muted)}
.mainnav{display:flex;gap:4px;margin-left:auto}
.mainnav a{color:var(--ink);font-weight:600;font-size:14.5px;padding:10px 13px;border-radius:6px;white-space:nowrap}
.mainnav a:hover{color:var(--orange);background:#fff6f0}
.mainnav a.active{color:var(--orange)}
.btn-cta{display:inline-block;background:var(--orange);color:#fff!important;font-weight:700;padding:11px 22px;border-radius:8px;border:none;cursor:pointer;font-size:15px;transition:.2s;white-space:nowrap}
.btn-cta:hover{background:var(--orange-d);transform:translateY(-1px);box-shadow:0 6px 16px rgba(242,101,34,.35)}
.btn-big{width:100%;padding:14px;font-size:16px}
.btn-ghost{display:inline-block;border:2px solid var(--navy);color:var(--navy);font-weight:700;padding:9px 20px;border-radius:8px}
.btn-ghost:hover{background:var(--navy);color:#fff}
.hamburger{display:none;background:none;border:none;font-size:26px;cursor:pointer;color:var(--navy);margin-left:8px}

/* ── hero ── */
.hero{position:relative;color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:url('https://chauducgolfcourse.com.vn/vnt_upload/home/san11.jpg') center/cover;filter:saturate(1.1)}
.hero::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,25,43,.62),rgba(8,25,43,.45) 55%,rgba(8,25,43,.72))}
.hero-in{position:relative;z-index:1;padding:84px 16px 40px;text-align:center}
.hero h1{font-size:38px;font-weight:800;text-shadow:0 2px 12px rgba(0,0,0,.4)}
.hero h1 span{display:block;font-size:20px;font-weight:500;opacity:.92;margin-top:6px}
.hero-sub{margin:10px 0 30px;font-size:16px;opacity:.9}

/* search card kiểu BĐS */
.search-card{background:#fff;border-radius:14px;box-shadow:0 18px 50px rgba(0,0,0,.3);text-align:left;overflow:hidden;max-width:1020px;margin:0 auto}
.search-tabs{display:flex;background:#eef2f7}
.stab{flex:1;border:none;background:none;padding:14px;font-family:inherit;font-size:15px;font-weight:700;color:var(--muted);cursor:pointer;border-bottom:3px solid transparent}
.stab.active{background:#fff;color:var(--orange);border-bottom-color:var(--orange)}
.search-panels{padding:20px}
.spanel{display:none}
.spanel.active{display:block;animation:fade .25s}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1}}
.srow{display:grid;grid-template-columns:repeat(4,1fr) auto;gap:12px;align-items:end}
.srow label{font-size:13px;font-weight:600;color:var(--muted);display:flex;flex-direction:column;gap:6px}
.srow input,.srow select,.book-form input,.book-form select,.book-form textarea,.contact-form input,.contact-form select,.contact-form textarea{font-family:inherit;font-size:15px;padding:11px 12px;border:1.5px solid var(--line);border-radius:8px;background:#fbfcfe;color:var(--ink);width:100%}
.srow input:focus,.srow select:focus,.book-form input:focus,.book-form textarea:focus,.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--orange);background:#fff}
.btn-search{background:var(--orange);color:#fff;border:none;font-family:inherit;font-weight:800;font-size:15px;padding:12px 26px;border-radius:8px;cursor:pointer;white-space:nowrap}
.btn-search:hover{background:var(--orange-d)}

/* ── listings ── */
.listing-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.listing{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.22s;display:flex;flex-direction:column}
.listing:hover{box-shadow:0 12px 32px rgba(14,42,71,.14);transform:translateY(-3px);border-color:#ffd9c2}
.lst-img{position:relative;aspect-ratio:4/3;overflow:hidden;background:#dfe7ef}
.lst-img img{width:100%;height:100%;object-fit:cover;transition:.4s}
.listing:hover .lst-img img{transform:scale(1.06)}
.badge{position:absolute;top:10px;left:10px;font-size:11px;font-weight:800;color:#fff;padding:4px 10px;border-radius:5px;letter-spacing:.5px}
.badge-hot{background:var(--price)} .badge-vip{background:var(--orange)} .badge-new{background:var(--green)}
.fav{position:absolute;top:8px;right:10px;background:rgba(255,255,255,.92);width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:17px;cursor:pointer;color:var(--muted)}
.fav.on{color:var(--price)}
.lst-body{padding:14px;display:flex;flex-direction:column;gap:8px;flex:1}
.lst-body h3{font-size:15px;line-height:1.45;font-weight:600}
.lst-body h3 a{color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.lst-body h3 a:hover{color:var(--orange)}
.lst-price{color:var(--price);font-weight:800;font-size:19px}
.lst-price small{font-size:12px;font-weight:500;color:var(--muted)}
.lst-meta{font-size:13px;color:var(--muted)}
.lst-foot{margin-top:auto;padding-top:10px;border-top:1px dashed var(--line);display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted)}
.lst-phone{background:#e8f7ee;border-radius:50%;width:34px;height:34px;display:flex;align-items:center;justify-content:center}

/* ── stats ── */
.stats{background:linear-gradient(120deg,var(--navy),var(--navy2));color:#fff}
.stats-in{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;padding:34px 16px;text-align:center}
.stat b{font-size:34px;font-weight:800;color:#ffcf9e;display:block}
.stat span{font-size:13.5px;opacity:.85}

/* ── about ── */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}
.about-txt h3{font-size:20px;margin-bottom:12px;color:var(--navy)}
.about-txt p{margin-bottom:12px;color:#3c4c60}
.about-points{list-style:none;margin:16px 0 22px;display:grid;gap:8px;font-weight:500}
.about-img img{border-radius:14px;box-shadow:0 16px 40px rgba(14,42,71,.18)}

/* ── price table ── */
.price-wrap{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.price-table{width:100%;border-collapse:collapse;font-size:14.5px}
.price-table th{background:var(--navy);color:#fff;padding:13px 16px;text-align:left;font-size:13.5px;text-transform:uppercase;letter-spacing:.4px}
.price-table td{padding:13px 16px;border-top:1px solid var(--line)}
.price-table tr:nth-child(even) td{background:#f8fafc}
.price-table .p{color:var(--price);font-weight:700;white-space:nowrap}
.price-wrap .note{padding:0 16px 16px}

/* ── utils ── */
.util-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.util{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;gap:14px;padding:14px;align-items:center;transition:.2s}
.util:hover{box-shadow:0 10px 26px rgba(14,42,71,.1)}
.util img{width:96px;height:96px;object-fit:cover;border-radius:8px;flex-shrink:0}
.util h4{font-size:15.5px;margin-bottom:4px;color:var(--navy)}
.util p{font-size:13.5px;color:var(--muted)}

/* ── booking form ── */
.book-form{background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px;max-width:860px;margin:0 auto;display:grid;gap:16px}
.brow{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.book-form label,.contact-form label{font-size:13.5px;font-weight:600;color:var(--muted);display:flex;flex-direction:column;gap:6px}
.book-form textarea,.contact-form textarea{resize:vertical}

/* ── map ── */
.map-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:stretch}
.map-frame{border-radius:14px;overflow:hidden;min-height:380px;border:1px solid var(--line)}
.map-frame iframe{width:100%;height:100%;min-height:380px;border:0}
.map-info{background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px}
.map-info h3{color:var(--navy);margin-bottom:10px;font-size:19px}
.map-info p{color:#3c4c60;margin-bottom:14px}
.map-info ul{list-style:none;display:grid;gap:8px;margin-bottom:20px;color:#3c4c60;font-size:14.5px}
.map-btns{display:flex;gap:12px;flex-wrap:wrap}

/* ── news ── */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.news{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.2s}
.news:hover{box-shadow:0 10px 26px rgba(14,42,71,.12)}
.news img{aspect-ratio:16/10;object-fit:cover;width:100%}
.news-body{padding:16px}
.news-date{font-size:12px;color:var(--muted);font-weight:600}
.news-body h4{font-size:15.5px;margin:6px 0}
.news-body h4 a{color:var(--ink)} .news-body h4 a:hover{color:var(--orange)}
.news-body p{font-size:13.5px;color:var(--muted)}

/* ── contact ── */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:start}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px;display:grid;gap:16px}
.contact-info{background:var(--navy);color:#dbe6f2;border-radius:14px;padding:28px}
.contact-info h3{color:#fff;margin-bottom:14px;font-size:19px}
.contact-info p{margin-bottom:10px;font-size:14.5px}
.contact-info a{color:#ffd9a8}
.social-row{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.soc{background:rgba(255,255,255,.1);padding:9px 16px;border-radius:8px;font-size:14px;font-weight:600;color:#fff!important}
.soc:hover{background:rgba(255,255,255,.2)}

/* ── footer ── */
.footer{background:var(--navy);color:#b9c9db;margin-top:0}
.foot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;padding:48px 16px 30px}
.fcol h4{color:#fff;font-size:15px;text-transform:uppercase;margin-bottom:14px}
.fcol ul{list-style:none;display:grid;gap:9px;font-size:14px}
.fcol a{color:#b9c9db}.fcol a:hover{color:#fff}
.fcol p{font-size:14px;margin-bottom:8px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding:16px 0;font-size:13px;text-align:center;color:#8fa5bd}

/* ── floaters ── */
.floaters{position:fixed;right:18px;bottom:18px;display:flex;flex-direction:column;gap:12px;z-index:60}
.float-btn{width:58px;height:58px;border-radius:50%;border:none;cursor:pointer;font-size:24px;display:flex;align-items:center;justify-content:center;flex-direction:column;box-shadow:0 8px 24px rgba(0,0,0,.25);transition:.2s;text-decoration:none}
.float-btn:hover{transform:scale(1.08)}
.float-btn span{font-size:10px;font-weight:800}
.call-btn{background:#22a355;color:#fff;animation:ring 2.4s infinite}
@keyframes ring{0%,88%,100%{transform:rotate(0)}90%{transform:rotate(14deg)}92%{transform:rotate(-12deg)}94%{transform:rotate(10deg)}96%{transform:rotate(-8deg)}}
.ai-btn{background:linear-gradient(135deg,var(--navy),#1d5fa8);color:#fff;position:relative}
.ai-btn::after{content:'';position:absolute;inset:-4px;border-radius:50%;border:2px solid #4da3ff;opacity:.6;animation:pulse 2s infinite}
@keyframes pulse{0%{transform:scale(.9);opacity:.7}100%{transform:scale(1.25);opacity:0}}

/* ── AI panel ── */
.ai-panel{position:fixed;right:18px;bottom:90px;width:360px;max-width:calc(100vw - 36px);background:#fff;border-radius:16px;box-shadow:0 24px 70px rgba(8,25,43,.35);z-index:70;overflow:hidden;transform:translateY(16px) scale(.97);opacity:0;pointer-events:none;transition:.25s;display:flex;flex-direction:column;max-height:70vh}
.ai-panel.open{transform:none;opacity:1;pointer-events:auto}
.ai-head{background:linear-gradient(120deg,var(--navy),#1d5fa8);color:#fff;padding:14px 16px;display:flex;justify-content:space-between;align-items:center}
.ai-head b{font-size:16px}.ai-head small{display:block;font-size:12px;opacity:.8;font-weight:400}
.ai-close{background:rgba(255,255,255,.15);border:none;color:#fff;width:30px;height:30px;border-radius:50%;cursor:pointer;font-size:14px}
.ai-body{padding:16px;overflow-y:auto;display:flex;flex-direction:column;gap:10px}
.ai-msg{background:#f1f5f9;border-radius:12px;padding:10px 14px;font-size:14px}
.ai-msg.bot{border-bottom-left-radius:4px;align-self:flex-start}
.ai-feats{display:grid;gap:8px;font-size:13.5px}
.ai-feats div{background:#fff8f1;border:1px solid #ffe0c7;border-radius:10px;padding:9px 12px}
.ai-input{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line)}
.ai-input input{flex:1;font-family:inherit;font-size:14px;padding:10px 12px;border:1.5px solid var(--line);border-radius:20px;background:#f4f6f9}
.ai-input button{background:var(--orange);color:#fff;border:none;width:42px;height:42px;border-radius:50%;font-size:16px;cursor:pointer}

/* toast */
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(20px);background:var(--navy);color:#fff;padding:13px 24px;border-radius:10px;font-size:14.5px;font-weight:600;opacity:0;pointer-events:none;transition:.3s;z-index:100;max-width:90vw;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%)}

/* ── responsive ── */
.hide-m{}
@media(max-width:1024px){
  .listing-grid{grid-template-columns:repeat(2,1fr)}
  .util-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .stats-in{grid-template-columns:repeat(3,1fr);row-gap:22px}
}
@media(max-width:820px){
  .mainnav{position:fixed;top:110px;left:0;right:0;background:#fff;flex-direction:column;padding:12px 16px;box-shadow:0 14px 30px rgba(0,0,0,.12);display:none;margin:0}
  .mainnav.open{display:flex}
  .hamburger{display:block}
  .hero h1{font-size:27px}.hero h1 span{font-size:16px}
  .hero-in{padding:56px 16px 30px}
  .srow{grid-template-columns:1fr 1fr}
  .btn-search{grid-column:1/-1}
  .about-grid,.map-grid,.contact-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .hide-m{display:none}
  .brand-txt{font-size:17px}
}
@media(max-width:560px){
  .listing-grid,.util-grid,.news-grid{grid-template-columns:1fr}
  .brow{grid-template-columns:1fr}
  .srow{grid-template-columns:1fr}
  .stats-in{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr}
  .section{padding:40px 0}
}