/* =========================================================
   GoThaiHotel.com - Main Stylesheet (responsive, mobile-first)
   ========================================================= */
:root{
  --brand-blue:#1565c0;
  --brand-teal:#00acc1;
  --brand-orange:#f9a825;
  --brand-pink:#c2185b;
  --text-dark:#1f2937;
  --text-muted:#6b7280;
  --bg-light:#f4f7fb;
  --radius:10px;
  --shadow:0 4px 14px rgba(0,0,0,.08);
}

*{box-sizing:border-box;}
body{
  margin:0;
  font-family:'Kanit','Segoe UI',Tahoma,sans-serif;
  color:var(--text-dark);
  background:var(--bg-light);
}
a{text-decoration:none;color:inherit;}
img{max-width:100%;display:block;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.06);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 20px;max-width:1200px;margin:0 auto;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:var(--brand-blue);}
.brand img{height:42px;width:auto;}

.nav-toggle{
  display:none;background:none;border:none;font-size:26px;cursor:pointer;color:var(--brand-blue);
}

.main-nav{display:flex;align-items:center;gap:6px;}
.main-nav a{
  padding:10px 14px;border-radius:6px;font-weight:500;color:var(--text-dark);white-space:nowrap;
}
.main-nav a:hover, .main-nav a.active{color:var(--brand-pink);background:#fdf1f6;}

.header-actions{display:flex;align-items:center;gap:12px;}
.btn-contact{
  background:var(--brand-blue);color:#fff;padding:10px 18px;border-radius:24px;font-weight:600;
}
.btn-contact:hover{background:var(--brand-teal);}

/* ---------- Nav dropdown (mega-menu style) ---------- */
.nav-dropdown{position:relative;}
.dropdown-panel{
  display:none;position:absolute;top:100%;left:0;background:#fff;box-shadow:var(--shadow);
  border-radius:8px;min-width:220px;padding:8px;z-index:50;
}
.nav-dropdown:hover .dropdown-panel{display:block;}
.dropdown-panel a{display:block;padding:10px 14px;border-radius:6px;font-size:14px;color:var(--text-dark);}
.dropdown-panel a:hover{background:#fdf1f6;color:var(--brand-pink);}

/* ---------- Hero photo collage (homepage) ---------- */
.hero-collage{position:relative;padding:70px 20px 40px;text-align:center;color:#fff;background:#0a1e3a;overflow:hidden;}
.collage-bg{position:absolute;inset:0;display:grid;grid-template-columns:1.3fr 1fr;gap:6px;opacity:.55;}
.collage-bg .col-right{display:grid;grid-template-rows:1fr 1fr;gap:6px;}
.collage-bg img{width:100%;height:100%;object-fit:cover;}
.hero-collage::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,30,60,.75),rgba(10,30,60,.9));}
.hero-collage .hero-content{position:relative;z-index:2;max-width:800px;margin:0 auto;}
.hero-collage h1{font-size:2.6rem;margin:0 0 8px;}
.hero-collage p{font-size:1.1rem;opacity:.9;margin:0 0 20px;}

.popular-tags{position:relative;z-index:2;margin-top:16px;font-size:14px;}
.popular-tags span{opacity:.85;margin-right:8px;}
.popular-tags a{
  display:inline-block;background:rgba(255,255,255,.15);padding:6px 14px;border-radius:20px;
  margin:4px;font-size:13px;transition:background .15s;
}
.popular-tags a:hover{background:rgba(255,255,255,.3);}

/* ---------- Category quick-filter pills ---------- */
.category-pills{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;padding:22px 0;}
.category-pills a{
  background:#fff;border:1px solid #e2e8f0;padding:9px 18px;border-radius:24px;font-size:14px;font-weight:500;
  box-shadow:0 2px 6px rgba(0,0,0,.04);
}
.category-pills a:hover{border-color:var(--brand-pink);color:var(--brand-pink);}

/* ---------- Newsletter box ---------- */
.newsletter-box{
  background:linear-gradient(120deg,var(--brand-blue),var(--brand-teal));border-radius:14px;
  padding:40px;text-align:center;color:#fff;margin:20px 0 50px;
}
.newsletter-box h2{margin:0 0 8px;font-size:1.5rem;border:none;padding:0;}
.newsletter-box p{margin:0 0 20px;opacity:.9;}
.newsletter-form{display:flex;gap:10px;max-width:480px;margin:0 auto;flex-wrap:wrap;justify-content:center;}
.newsletter-form input{
  flex:1 1 240px;padding:12px 16px;border-radius:24px;border:none;font-family:inherit;font-size:14px;
}
.newsletter-form .btn-subscribe{
  flex:0 0 auto;background:var(--brand-orange);color:#fff;border:none;padding:12px 28px;
  border-radius:24px;font-weight:600;cursor:pointer;
}

/* ---------- Hero ---------- */
.hero{
  background-size:cover;background-position:center;
  position:relative;color:#fff;padding:90px 20px;text-align:center;
}
.hero::after{content:"";position:absolute;inset:0;background:rgba(10,30,60,.55);}
.hero-content{position:relative;z-index:2;max-width:800px;margin:0 auto;}
.hero h1{font-size:2.4rem;margin:0 0 10px;}
.hero p{font-size:1.1rem;opacity:.9;margin:0 0 30px;}

.search-box{
  background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);
  padding:16px;display:flex;flex-wrap:wrap;gap:10px;max-width:1000px;margin:-40px auto 0;
  position:relative;z-index:3;
}
.search-box input, .search-box select{
  flex:1 1 160px;padding:12px 14px;border:1px solid #e2e8f0;border-radius:8px;font-family:inherit;font-size:14px;
}
.search-box .btn-search{
  flex:0 0 auto;background:var(--brand-pink);color:#fff;border:none;padding:12px 26px;
  border-radius:8px;font-weight:600;cursor:pointer;
}

/* ---------- Section ---------- */
.section{padding:50px 0;}
.section-title{
  display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap;gap:10px;
}
.section-title h2{
  font-size:1.5rem;margin:0;border-left:5px solid var(--brand-pink);padding-left:12px;
}
.section-title .view-all{color:var(--brand-blue);font-weight:600;}

/* ---------- Card grid ---------- */
.card-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
.card{
  background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
  display:flex;flex-direction:column;transition:transform .15s ease;
}
.card:hover{transform:translateY(-4px);}
.card-img{position:relative;height:170px;background:#dfe7ef;overflow:hidden;}
.card-img img{width:100%;height:100%;object-fit:cover;}
.badge{
  position:absolute;top:10px;left:10px;background:rgba(0,0,0,.55);color:#fff;
  font-size:12px;padding:4px 10px;border-radius:20px;
}
.badge-award{
  position:absolute;top:10px;right:10px;background:var(--brand-orange);color:#fff;
  font-size:12px;padding:4px 10px;border-radius:20px;
}
.card-body{padding:16px;flex:1;display:flex;flex-direction:column;}
.card-body h3{font-size:1.05rem;margin:0 0 6px;}
.card-loc{color:var(--text-muted);font-size:13px;margin-bottom:8px;display:flex;align-items:center;gap:5px;}
.card-price{font-weight:700;color:var(--brand-pink);margin:6px 0;}
.card-price .old{text-decoration:line-through;color:var(--text-muted);font-weight:400;font-size:13px;margin-right:6px;}
.btn-detail{
  margin-top:auto;text-align:center;border:1px solid var(--brand-blue);color:var(--brand-blue);
  padding:9px;border-radius:8px;font-weight:600;
}
.btn-detail:hover{background:var(--brand-blue);color:#fff;}

/* ---------- Filters bar (listing pages) ---------- */
.filters-bar{
  background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);
  padding:16px;display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px;
}
.filters-bar input, .filters-bar select{
  flex:1 1 160px;padding:10px 12px;border:1px solid #e2e8f0;border-radius:8px;font-family:inherit;
}
.filters-bar .btn-search{
  background:var(--brand-pink);color:#fff;border:none;padding:10px 24px;border-radius:8px;font-weight:600;cursor:pointer;
}

/* ---------- Pagination ---------- */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:30px;flex-wrap:wrap;}
.pagination a, .pagination span{
  min-width:38px;height:38px;display:flex;align-items:center;justify-content:center;
  border-radius:8px;background:#fff;box-shadow:var(--shadow);font-weight:600;
}
.pagination .active{background:var(--brand-pink);color:#fff;}

/* ---------- Detail page ---------- */
.detail-hero{height:320px;background-size:cover;background-position:center;border-radius:var(--radius);margin-bottom:20px;}
.detail-grid{display:grid;grid-template-columns:2fr 1fr;gap:26px;}
.info-panel{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;}
.info-panel .info-row{display:flex;gap:10px;margin-bottom:14px;font-size:14px;}
.info-panel .info-row b{min-width:90px;color:var(--text-muted);font-weight:500;}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:20px 0;}
.gallery img{height:100px;object-fit:cover;border-radius:8px;}

/* ---------- Forms (admin) ---------- */
.form-group{margin-bottom:16px;}
.form-group label{display:block;font-weight:600;margin-bottom:6px;font-size:14px;}
.form-control{
  width:100%;padding:10px 12px;border:1px solid #d1d5db;border-radius:8px;font-family:inherit;font-size:14px;
}
textarea.form-control{min-height:140px;resize:vertical;}
.btn{
  display:inline-block;padding:10px 22px;border-radius:8px;font-weight:600;border:none;cursor:pointer;
}
.btn-primary{background:var(--brand-blue);color:#fff;}
.btn-primary:hover{background:var(--brand-teal);}
.btn-danger{background:#dc2626;color:#fff;}
.btn-outline{background:#fff;border:1px solid #d1d5db;color:var(--text-dark);}

/* ---------- Admin layout ---------- */
.admin-wrap{display:flex;min-height:100vh;}
.admin-sidebar{
  width:230px;background:#0f1b33;color:#fff;padding:20px 0;flex-shrink:0;
}
.admin-sidebar a{display:block;padding:12px 24px;color:#cbd5e1;font-weight:500;}
.admin-sidebar a:hover, .admin-sidebar a.active{background:var(--brand-blue);color:#fff;}
.admin-content{flex:1;padding:26px;}
.admin-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);}
.admin-table th, .admin-table td{padding:12px 14px;border-bottom:1px solid #eef1f5;text-align:left;font-size:14px;}
.admin-table th{background:#f1f5f9;}
.admin-thumb{width:70px;height:50px;object-fit:cover;border-radius:6px;}

/* ---------- Footer ---------- */
.site-footer{background:#0f1b33;color:#cbd5e1;padding:50px 0 20px;margin-top:40px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:30px;}
.footer-grid h4{color:#fff;margin-bottom:14px;}
.footer-grid a{display:block;color:#cbd5e1;margin-bottom:8px;}
.footer-grid a:hover{color:#fff;}
.footer-bottom{text-align:center;padding-top:24px;margin-top:24px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#93a2b8;}

/* =========================================================
   Responsive breakpoints
   ========================================================= */
@media (max-width:992px){
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
  .detail-grid{grid-template-columns:1fr;}
}

@media (max-width:768px){
  .nav-toggle{display:block;}
  .main-nav{
    display:none;position:absolute;top:100%;left:0;right:0;background:#fff;
    flex-direction:column;padding:10px 20px 20px;box-shadow:0 8px 12px rgba(0,0,0,.08);
  }
  .main-nav.open{display:flex;}
  .main-nav a{padding:12px 6px;border-bottom:1px solid #f1f5f9;}
  .nav-dropdown .dropdown-panel{position:static;box-shadow:none;display:block;padding-left:14px;}
  .hero h1{font-size:1.7rem;}
  .hero-collage h1{font-size:1.9rem;}
  .search-box{flex-direction:column;margin-top:-20px;}
  .gallery{grid-template-columns:repeat(2,1fr);}
  .admin-wrap{flex-direction:column;}
  .admin-sidebar{width:100%;display:flex;overflow-x:auto;padding:10px;}
  .admin-sidebar a{padding:10px 16px;white-space:nowrap;}
  .newsletter-form{flex-direction:column;}
}

@media (max-width:560px){
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .hero{padding:60px 16px;}
}