@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,600;9..144,700&family=IBM+Plex+Sans+Thai:wght@400;500;600&family=IBM+Plex+Mono:wght@500&display=swap');

:root{
  --ink:#12333B; --teal:#1F6F6E; --teal-dark:#124F4E; --brass:#C98A2C;
  --coral:#B94F32; --paper:#F1F1EB; --card:#FFFFFF; --line:#DEDFD5;
  --muted:#6B7570; --green:#2F6D4F;
}
*{box-sizing:border-box;}
body{margin:0;background:var(--paper);color:var(--ink);font-family:'IBM Plex Sans Thai',sans-serif;line-height:1.5;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}

/* ---------- Top nav ---------- */
.topbar{background:var(--ink);color:#EAF2F0;position:sticky;top:0;z-index:50;}
.topbar-inner{max-width:1100px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:14px 20px;}
.brand{display:flex;align-items:center;gap:10px;font-family:'Fraunces',serif;font-size:18px;font-weight:600;}
.brand .dot{width:8px;height:8px;border-radius:50%;background:var(--brass);}
.nav-links{display:flex;gap:6px;}
.nav-links a{padding:8px 14px;border-radius:20px;font-size:13.5px;font-weight:500;color:#D8E6E4;}
.nav-links a.active,.nav-links a:hover{background:var(--teal);color:#fff;}
.nav-cta{background:var(--brass);color:#12333B;padding:8px 16px;border-radius:20px;font-size:13px;font-weight:600;white-space:nowrap;}
.burger{display:none;background:none;border:none;color:#EAF2F0;font-size:22px;cursor:pointer;margin-left:8px;}
.lang-group{display:flex;border:1px solid rgba(255,255,255,.25);border-radius:20px;overflow:hidden;margin-left:auto;margin-right:12px;flex-shrink:0;}
.lang-opt{background:transparent;color:#B9D3CF;border:none;padding:6px 12px;font-size:12px;font-weight:600;
  cursor:pointer;font-family:'IBM Plex Mono',monospace;}
.lang-opt.active{background:var(--teal);color:#fff;}
.lang-opt:hover:not(.active){background:rgba(255,255,255,.08);}
@media (max-width:820px){.lang-group{margin-right:0;}}
@media (max-width:820px){
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:var(--ink);flex-direction:column;padding:10px 16px 16px;gap:4px;}
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 14px;}
  .burger{display:block;}
}

/* ---------- Hero ---------- */
.hero{position:relative;padding:70px 20px 90px;text-align:center;overflow:hidden;background:linear-gradient(180deg,var(--ink) 0%,var(--teal-dark) 100%);color:#fff;}
.hero h1{font-family:'Fraunces',serif;font-size:clamp(28px,5vw,46px);font-weight:600;margin:0 0 14px;max-width:780px;margin-left:auto;margin-right:auto;}
.hero p{font-size:15px;color:#B9D3CF;max-width:560px;margin:0 auto 28px;}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:8px;font-weight:600;font-size:14.5px;cursor:pointer;border:none;font-family:'IBM Plex Sans Thai',sans-serif;}
.btn-brass{background:var(--brass);color:#12333B;}
.btn-outline{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.4);}
.btn-teal{background:var(--teal);color:#fff;}
.btn:hover{filter:brightness(1.06);}
.hero-badges{display:flex;gap:20px;justify-content:center;margin-top:36px;flex-wrap:wrap;color:#9FB8B4;font-size:12.5px;}
.hero-badges span{display:flex;align-items:center;gap:6px;}

/* ---------- Sections ---------- */
.section{max-width:1100px;margin:0 auto;padding:60px 20px;}
.section-head{text-align:center;max-width:600px;margin:0 auto 36px;}
.section-head .eyebrow{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--teal-dark);font-weight:600;}
.section-head h2{font-family:'Fraunces',serif;font-size:clamp(24px,3.4vw,32px);font-weight:600;margin:8px 0 10px;}
.section-head p{color:var(--muted);font-size:14.5px;}

/* ---------- Cards / grid ---------- */
.grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;transition:transform .15s ease,box-shadow .15s ease;}
.card:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(18,51,59,.08);}
.card-img{height:190px;background:#E7E7DF center/cover no-repeat;}
.card-body{padding:16px 18px;display:flex;flex-direction:column;flex:1;}
.card-cat{font-size:11px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.03em;margin-bottom:6px;}
.card-title{font-family:'Fraunces',serif;font-size:18px;font-weight:600;margin-bottom:8px;}
.card-desc{font-size:13px;color:var(--muted);line-height:1.6;flex:1;margin-bottom:14px;}
.card-footer{display:flex;align-items:flex-end;justify-content:space-between;}
.price-label{font-size:10.5px;color:var(--muted);}
.price{font-family:'IBM Plex Mono',monospace;font-size:18px;font-weight:600;color:var(--teal-dark);}

/* ---------- Category chips ---------- */
.chips{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-bottom:34px;}
.chip{border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:20px;padding:7px 16px;font-size:13px;font-weight:500;cursor:pointer;font-family:'IBM Plex Sans Thai',sans-serif;}
.chip.active{border-color:var(--teal);background:var(--teal);color:#fff;}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px;}
.step{text-align:center;}
.step-num{width:38px;height:38px;border-radius:50%;background:var(--teal);color:#fff;display:flex;align-items:center;justify-content:center;font-family:'IBM Plex Mono',monospace;font-weight:600;margin:0 auto 14px;}
.step h3{font-size:15px;font-weight:600;margin:0 0 6px;}
.step p{font-size:13px;color:var(--muted);margin:0;}

/* ---------- Tour detail ---------- */
.tour-hero-img{height:340px;border-radius:14px;background:#E7E7DF center/cover no-repeat;margin-bottom:24px;}
.tour-gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:8px;margin-bottom:28px;}
.tour-gallery img{height:90px;object-fit:cover;border-radius:8px;cursor:pointer;}
.tour-layout{display:grid;grid-template-columns:1.6fr 1fr;gap:36px;align-items:start;}
@media (max-width:800px){.tour-layout{grid-template-columns:1fr;}}
.tour-info h1{font-family:'Fraunces',serif;font-size:28px;font-weight:600;margin:0 0 10px;}
.tour-facts{display:flex;gap:18px;flex-wrap:wrap;margin:16px 0 22px;}
.tour-fact{font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:6px;}
.tour-desc{font-size:14.5px;line-height:1.75;color:#2E4A50;}
.book-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px;position:sticky;top:88px;}
.book-card .price-big{font-family:'IBM Plex Mono',monospace;font-size:26px;font-weight:600;color:var(--teal-dark);margin-bottom:4px;}
.book-card .price-sub{font-size:12px;color:var(--muted);margin-bottom:18px;}

/* ---------- Forms ---------- */
.form-field{margin-bottom:14px;}
.form-field label{display:block;font-size:12.5px;color:var(--muted);font-weight:500;margin-bottom:5px;}
.form-field input,.form-field select,.form-field textarea{
  width:100%;border:1px solid var(--line);border-radius:7px;padding:10px 12px;font-size:14px;
  font-family:'IBM Plex Sans Thai',sans-serif;color:var(--ink);background:#FCFCFA;outline:none;
}
.form-field textarea{min-height:80px;resize:vertical;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
@media (max-width:520px){.form-row{grid-template-columns:1fr;}}
.form-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:26px;max-width:640px;margin:0 auto;}
.form-summary{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:14px 16px;margin-bottom:20px;font-size:13.5px;}
.form-summary strong{font-family:'Fraunces',serif;font-size:16px;}

/* ---------- Confirmation ---------- */
.confirm-box{max-width:520px;margin:60px auto;text-align:center;}
.confirm-icon{width:64px;height:64px;border-radius:50%;background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:30px;}
.confirm-box h1{font-family:'Fraunces',serif;font-size:24px;margin-bottom:10px;}
.confirm-box p{color:var(--muted);font-size:14.5px;margin-bottom:22px;}
.confirm-details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;text-align:left;font-size:13.5px;margin-bottom:24px;}
.confirm-details div{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px solid var(--line);}
.confirm-details div:last-child{border-bottom:none;}

/* ---------- Footer ---------- */
footer{background:var(--ink);color:#9FB8B4;padding:40px 20px 24px;margin-top:60px;}
.footer-inner{max-width:1100px;margin:0 auto;display:flex;justify-content:space-between;flex-wrap:wrap;gap:24px;}
.footer-inner h4{color:#EAF2F0;font-family:'Fraunces',serif;font-size:16px;margin:0 0 10px;}
.footer-inner a{display:block;font-size:13px;padding:4px 0;color:#9FB8B4;}
.footer-bottom{max-width:1100px;margin:30px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);font-size:12px;text-align:center;color:#6E8B87;}

/* ---------- Empty ---------- */
.empty{border:1.5px dashed var(--line);border-radius:10px;padding:30px 20px;text-align:center;color:var(--muted);font-size:13.5px;}

/* ---------- Floating WhatsApp ---------- */
.wa-float{position:fixed;bottom:20px;right:20px;background:#25D366;color:#fff;width:52px;height:52px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:24px;box-shadow:0 6px 18px rgba(0,0,0,.2);z-index:60;}