/* หน้าแขก — โทนทะเลอันดามัน: น้ำทะเลเขียวอมฟ้า + เหลืองเรือหางยาว */
:root{
  --bg:#F3F7F6; --surface:#FFFFFF; --ink:#10282B; --muted:#56706F; --line:#D5E2E0;
  --sea:#0B6F73; --sea-soft:#DDEFEE; --sun:#F2A93B; --sun-ink:#2A1A00;
  --ok:#2E7D4F; --ok-soft:#E1F2E7; --wait:#9A5B00; --wait-soft:#FBEED7; --bad:#B3261E; --bad-soft:#FBE3E1; --mute-soft:#E7ECEC;
  --f-display:"Young Serif", Georgia, "Times New Roman", serif;
  --f-body:"Figtree", "IBM Plex Sans Thai", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono:"IBM Plex Mono", ui-monospace, Consolas, monospace;
  --r:14px;
}
@media (prefers-color-scheme: dark){:root{
  --bg:#0B191B; --surface:#12272A; --ink:#E4F0EE; --muted:#97B3B0; --line:#23403F;
  --sea:#53C3C1; --sea-soft:#163A3B; --sun:#F2B24E; --sun-ink:#231500;
  --ok:#74D29C; --ok-soft:#173826; --wait:#F2B24E; --wait-soft:#3A2C12; --bad:#F2867E; --bad-soft:#3D1D1B; --mute-soft:#1C3235;
  color-scheme:dark;
}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:15px;line-height:1.5}
a{color:var(--sea)}
img{max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
button:focus-visible,select:focus-visible,input:focus-visible,textarea:focus-visible,a:focus-visible{outline:2px solid var(--sea);outline-offset:2px}
h1,h2,h3{text-wrap:balance;margin:0}
.wrap{max-width:1120px;margin:0 auto;padding-left:max(16px, env(safe-area-inset-left, 0px));padding-right:max(16px, env(safe-area-inset-right, 0px))}
.num{font-family:var(--f-mono);font-variant-numeric:tabular-nums}

.site{border-bottom:1px solid var(--line);background:var(--surface)}
.site .wrap{display:flex;align-items:center;gap:16px;padding-block:14px;flex-wrap:wrap}
.brand{display:flex;align-items:baseline;gap:8px;text-decoration:none}
.brand b{font-family:var(--f-display);font-weight:400;font-size:21px;color:var(--sea)}
.brand span{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.right{margin-left:auto;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.tabs{display:flex;gap:4px}
.tabs a{text-decoration:none;padding:8px 14px;border-radius:999px;font-weight:600;color:var(--muted)}
.tabs a[aria-current="page"]{background:var(--sea-soft);color:var(--sea)}
.tabs .count{display:inline-grid;place-items:center;min-width:20px;height:20px;padding:0 6px;margin-left:6px;border-radius:999px;background:var(--sea);color:var(--surface);font-size:12px}
.lang{width:auto;padding:7px 10px;font-size:14px;font-weight:600;border:1px solid var(--line);border-radius:10px;background:var(--surface)}

.hero{padding-block:40px 24px;display:grid;gap:14px;max-width:760px}
.eyebrow{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--sea);font-weight:700}
.hero h1{font-family:var(--f-display);font-weight:400;font-size:clamp(30px,5vw,46px);line-height:1.12}
.hero p{color:var(--muted);font-size:17px;max-width:62ch;margin:0}

.stay{margin-block:28px 8px;display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:16px}
.stay-card{background:#0B6F73;color:#F2FBFA;border-radius:var(--r);padding:24px;display:grid;gap:14px;min-width:0}
.stay-card .eyebrow{color:#F2FBFA;opacity:.85}
.stay-card h1{font-family:var(--f-display);font-weight:400;font-size:clamp(26px,4vw,36px);line-height:1.15}
.stay-meta{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:14px;opacity:.92}
.days{display:flex;gap:6px;overflow-x:auto;padding-bottom:2px}
.day{flex:0 0 auto;width:54px;border-radius:10px;background:rgba(255,255,255,.12);padding:8px 0 6px;text-align:center;font-size:12px;line-height:1.25}
.day b{display:block;font-size:17px;font-weight:600}
.day i{display:block;height:6px;width:6px;border-radius:50%;margin:5px auto 0}
.day.has i{background:#F2A93B}
.day.out{opacity:.55}
.perks{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;display:grid;gap:12px;align-content:start;min-width:0}
.perks h2{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:700;font-family:var(--f-body)}
.perks ul{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.perks li{display:flex;gap:10px}
.perks li::before{content:"✓";color:var(--ok);font-weight:700}

.bar{display:flex;flex-wrap:wrap;gap:8px;padding-block:22px 16px}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:7px 14px;font-weight:600;font-size:14px;color:var(--muted);text-decoration:none}
.chip[aria-current="page"]{border-color:var(--sea);background:var(--sea);color:var(--surface)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px;padding-bottom:40px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;text-decoration:none;color:inherit;transition:transform .15s ease, box-shadow .15s ease}
.card:hover{transform:translateY(-2px);box-shadow:0 10px 28px -16px rgba(11,60,62,.45)}
.scene{display:block;width:100%;aspect-ratio:16/9;max-width:100%}
.card .body{padding:14px 16px 16px;display:grid;gap:6px;flex:1}
.kind{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--sea);font-weight:700}
.card h3{font-size:17px;font-weight:700;line-height:1.3}
.card p{margin:0;color:var(--muted);font-size:14px}
.card .foot{display:flex;justify-content:space-between;align-items:flex-end;gap:10px;margin-top:auto;padding-top:10px}
.meta{font-size:13px;color:var(--muted)}
.price{text-align:right;line-height:1.2}
.price small{display:block;font-size:12px;color:var(--muted)}
.price b{font-family:var(--f-mono);font-weight:500;font-size:17px;font-variant-numeric:tabular-nums}
.price s{font-family:var(--f-mono);font-size:13px;color:var(--muted);margin-right:6px}
.badge{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:3px 8px;border-radius:6px}
.badge.ok{background:var(--ok-soft);color:var(--ok)} .badge.wait{background:var(--wait-soft);color:var(--wait)}
.badge.bad{background:var(--bad-soft);color:var(--bad)} .badge.mute{background:var(--mute-soft);color:var(--muted)}
.foot-note{border-top:1px solid var(--line);padding-block:24px 40px;color:var(--muted);font-size:13px;display:flex;flex-wrap:wrap;gap:8px 28px}

/* trip */
.trip{padding-block:28px 48px;display:grid;gap:14px;max-width:760px}
.trip h2{font-family:var(--f-display);font-weight:400;font-size:28px}
.tb{display:grid;grid-template-columns:96px minmax(0,1fr) auto;gap:14px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:12px;text-decoration:none;color:inherit}
.tb svg{width:96px;height:64px;border-radius:10px}
.tb h3{font-size:16px}
.tb .meta{display:flex;flex-wrap:wrap;gap:4px 14px}
.code{font-family:var(--f-mono);font-size:12px;color:var(--muted)}
.empty{color:var(--muted);padding:20px;border:1px dashed var(--line);border-radius:var(--r);text-align:center}
.help{background:var(--sea-soft);border-radius:var(--r);padding:16px 18px;display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center}
.help b{font-family:var(--f-mono);font-weight:500;user-select:all}

/* tour page */
.tour{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:28px;padding-block:24px 56px;align-items:start}
.tour .scene{border-radius:var(--r);aspect-ratio:21/10}
.tour h1{font-family:var(--f-display);font-weight:400;font-size:clamp(26px,4vw,38px);line-height:1.15}
.lead{color:var(--muted);font-size:16px;margin:0}
.sec h4{margin:0 0 8px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.itin{margin:0;padding:0;list-style:none;display:grid;gap:6px}
.itin li{display:grid;grid-template-columns:52px 1fr;gap:10px;font-size:14px}
.itin time{font-family:var(--f-mono);color:var(--sea);font-variant-numeric:tabular-nums}
.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.two ul{margin:0;padding-left:18px;font-size:14px;color:var(--muted);display:grid;gap:3px}
.info{display:grid;gap:22px}
.book{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:20px;display:grid;gap:16px;position:sticky;top:16px}
.book h2{font-size:18px}
.dates{display:flex;gap:6px;overflow-x:auto;padding-bottom:4px}
.dates label{flex:0 0 auto;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:8px 10px;min-width:62px;text-align:center;font-size:12px;line-height:1.3;color:var(--muted);cursor:pointer}
.dates label b{display:block;font-size:16px;color:var(--ink)}
.dates input{position:absolute;opacity:0;pointer-events:none}
.dates input:checked + label{border-color:var(--sea);background:var(--sea-soft);color:var(--sea)}
.dates input:checked + label b{color:var(--sea)}
.dates input:focus-visible + label{outline:2px solid var(--sea);outline-offset:2px}
.row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding-block:4px}
.step{display:inline-flex;align-items:center;gap:12px}
.step button{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:var(--surface);font-size:18px;line-height:1;cursor:pointer}
.step input{width:36px;text-align:center;border:0;background:none;font-weight:700;font-variant-numeric:tabular-nums;padding:0}
.field{display:grid;gap:4px}
.field label,.lbl{font-size:13px;color:var(--muted)}
.input,select.input,textarea.input{border:1px solid var(--line);border-radius:10px;padding:10px 12px;width:100%;background:var(--surface)}
.radios{display:flex;flex-wrap:wrap;gap:8px}
.radios label{border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:14px;font-weight:600;color:var(--muted);cursor:pointer}
.radios input{position:absolute;opacity:0;pointer-events:none}
.radios input:checked + label{background:var(--sea);border-color:var(--sea);color:var(--surface)}
.fixed{padding:9px 12px;border-radius:10px;background:var(--ok-soft);color:var(--ok);font-weight:600;font-size:14px}
.sum{border-top:1px solid var(--line);padding-top:12px;display:grid;gap:4px;font-size:14px}
.sum .ln{display:flex;justify-content:space-between;gap:10px;color:var(--muted)}
.sum .ln span:last-child{font-family:var(--f-mono)}
.sum .tot{display:flex;justify-content:space-between;align-items:baseline;padding-top:6px}
.sum .tot b{font-family:var(--f-mono);font-weight:500;font-size:22px}
.note{font-size:13px;color:var(--muted);margin:0}
.cta{border:0;border-radius:12px;background:var(--sun);color:var(--sun-ink);font-weight:700;font-size:16px;padding:14px 18px;width:100%;cursor:pointer;text-align:center;text-decoration:none;display:block}
.cta.alt{background:var(--sea);color:var(--surface)}
.err{background:var(--bad-soft);color:var(--bad);border-radius:10px;padding:10px 12px;font-weight:600;font-size:14px}

/* booking page */
.bk{max-width:560px;margin:0 auto;padding-block:32px 56px;display:grid;gap:18px}
.bk-card{background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden}
.bk-card .scene{aspect-ratio:21/8}
.bk-in{padding:20px;display:grid;gap:14px}
.bk h1{font-family:var(--f-display);font-weight:400;font-size:26px;line-height:1.2}
.dl{display:grid;grid-template-columns:130px minmax(0,1fr);gap:6px 12px;margin:0;font-size:14px}
.dl dt{color:var(--muted)} .dl dd{margin:0}
.qr{background:#fff;padding:10px;border-radius:12px;border:1px solid var(--line);width:180px;justify-self:center}
.qr svg{display:block;width:100%;height:auto}

@media (max-width:820px){
  .tour{grid-template-columns:1fr}
  .book{position:static}
  .stay{grid-template-columns:1fr}
  .right{margin-left:0;width:100%;justify-content:space-between}
  .tb{grid-template-columns:72px minmax(0,1fr)}
  .tb svg{width:72px;height:50px}
  .tb .badge{grid-column:2;justify-self:start}
}
@media (max-width:420px){.two{grid-template-columns:1fr}.dl{grid-template-columns:100px minmax(0,1fr)}}
@media (prefers-reduced-motion:reduce){.card{transition:none}}