/* ===== Vata Vayu — site styles (LIGHT · minimal · cream) ===== */
:root{
  --bg:#f6f2ea;          /* page ground (warm cream) */
  --bg-2:#eee8dd;        /* alternate section panel */
  --cream-2:#eee8dd;     /* legacy alias used inline in index.html */
  --surface:#fffdf8;     /* cards / panels */
  --surface-2:#f8f3ea;   /* hover / raised */
  --gold:#9a8b74;        /* muted taupe — labels, hairlines */
  --amber:#5a4d3b;       /* warm espresso-brown — buttons, prices, links */
  --cream:#2a241d;       /* headings + primary text (now dark) */
  --ink:#4d453a;         /* body text */
  --muted:#8c8376;       /* secondary text */
  --line:rgba(60,48,34,.13);
  --line-2:rgba(60,48,34,.24);
  --maxw:1200px; --r:10px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:hidden}
body{
  font-family:"Sarabun","Noto Sans Thai",-apple-system,"Helvetica Neue",sans-serif;
  color:var(--ink); background:var(--bg); line-height:1.75; font-size:16px;
  -webkit-font-smoothing:antialiased; font-weight:300;
}
h1,h2,h3,.serif{font-family:"Jost","Sarabun",-apple-system,sans-serif;font-weight:400;line-height:1.24;color:var(--cream);letter-spacing:.6px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 26px}
.section{padding:130px 0}
.center{text-align:center}
.overline{letter-spacing:5px;text-transform:uppercase;font-size:10.5px;color:var(--gold);font-weight:500}
.lead{font-size:17px;color:var(--muted);max-width:580px;font-weight:300;line-height:2}
.center .lead{margin-left:auto;margin-right:auto}
h2.title{font-size:48px;margin:22px 0 18px;font-weight:400}
.divider{width:40px;height:1px;background:var(--gold);margin:22px auto 0;opacity:.5}

/* language toggle */
[data-lang="th"] .en{display:none}
[data-lang="en"] .th{display:none}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:2px;padding:15px 32px;font-weight:500;font-size:12px;letter-spacing:1.8px;text-transform:uppercase;cursor:pointer;border:1px solid transparent;transition:.25s;font-family:inherit}
.btn-line{background:var(--amber);color:#f6f2ea}
.btn-line:hover{background:#473c2d}
.btn-ghost{background:transparent;border-color:var(--line-2);color:var(--cream)}
.btn-ghost:hover{border-color:var(--amber);color:var(--amber)}
.btn-taupe{background:transparent;border-color:var(--amber);color:var(--amber)}
.btn-taupe:hover{background:var(--amber);color:#f6f2ea}

/* header */
header{position:sticky;top:0;z-index:50;background:rgba(246,242,234,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:84px}
.brand{display:flex;align-items:center}
.brand img{height:56px;width:auto;display:block}
.nav-links{display:flex;gap:34px;align-items:center}
.nav-links a{font-size:12.5px;font-weight:400;letter-spacing:.8px;color:var(--ink);opacity:.78}
.nav-links a:hover{opacity:1;color:var(--amber)}
.nav-right{display:flex;gap:16px;align-items:center}
.lang{display:flex;border:1px solid var(--line-2);border-radius:30px;overflow:hidden;font-size:11px;font-weight:500}
.lang button{border:0;background:transparent;padding:6px 11px;cursor:pointer;color:var(--muted);font-family:inherit;letter-spacing:1px}
.lang button.active{background:var(--amber);color:#f6f2ea}
.hamb{display:none;background:none;border:0;font-size:24px;cursor:pointer;color:var(--cream)}

/* hero — photo with white text, leading into the light body */
.hero{position:relative;min-height:94vh;display:flex;align-items:center;color:#fff;overflow:hidden;background:#140e0a}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;animation:heroZoom 30s ease-in-out infinite alternate;transform-origin:center}
.hero:before{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(20,14,10,.30),rgba(20,14,10,.40) 45%,rgba(20,14,10,.72));pointer-events:none}
.hero:after{content:"";position:absolute;inset:0;z-index:1;background:radial-gradient(58% 48% at 50% 40%,rgba(224,196,160,.05),rgba(224,196,160,0) 72%);pointer-events:none}
.hero .wrap{position:relative;z-index:2;padding-top:40px;padding-bottom:40px}
@keyframes heroZoom{from{transform:scale(1)}to{transform:scale(1.09)}}
@media (prefers-reduced-motion:reduce){.hero-video{animation:none}}
.hero .overline{color:#e6dccb}
.hero h1{color:#fff;font-size:70px;font-weight:300;max-width:15ch;margin:28px 0 26px;letter-spacing:.5px;line-height:1.12}
.hero p{font-size:18px;font-weight:300;max-width:46ch;color:#ece2d2;margin-bottom:38px;line-height:1.9}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.hero .btn-line{background:#f6f2ea;color:#2a241d}
.hero .btn-line:hover{background:#fff}
.hero .btn-ghost{border-color:rgba(255,255,255,.45);color:#fff}
.hero .btn-ghost:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08)}

/* feature strip — quiet text row */
.strip{background:transparent;border-bottom:1px solid var(--line)}
.strip .wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:0;padding:0}
.strip .item{padding:48px 38px;border-left:1px solid var(--line)}
.strip .item:first-child{border-left:0;padding-left:0}
.strip .item:last-child{padding-right:0}
.strip h4{font-family:"Jost","Sarabun",sans-serif;font-size:17px;font-weight:400;color:var(--cream);margin-bottom:8px;letter-spacing:.4px}
.strip p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.8;font-weight:300}

/* philosophy / elements — open divided columns */
.elements{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:74px;border-top:1px solid var(--line)}
.el{padding:50px 30px;text-align:center;border-left:1px solid var(--line)}
.el:first-child{border-left:0}
.el h3{font-size:15px;margin:0 0 6px;letter-spacing:5px;color:var(--cream);font-weight:500}
.el .thai{font-size:11px;color:var(--gold);font-weight:400;letter-spacing:2px}
.el p{font-size:13px;color:var(--muted);margin-top:18px;line-height:1.85;font-weight:300}

/* philosophy — full-bleed real-photo interlude (dark blossom · candlelit · cream type) */
#philosophy{position:relative;background:linear-gradient(rgba(20,15,11,.58),rgba(20,15,11,.40) 50%,rgba(20,15,11,.70)),url("../img/philosophy-blossom.jpg") center/cover no-repeat;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
#philosophy .overline{color:#c7b9a4}
#philosophy h2.title{color:#f5efe4}
#philosophy .center h2.title:after{background:#c7b9a4;opacity:.75}
#philosophy .lead{color:#e7ddcd}
#philosophy .elements{border-top:1px solid rgba(245,239,228,.20)}
#philosophy .el{border-left:1px solid rgba(245,239,228,.20)}
#philosophy .el:first-child{border-left:0}
#philosophy .el h3{color:#f5efe4}
#philosophy .el .thai{color:#c7b9a4}
#philosophy .el p{color:#d9cfbe}

/* onsen feature cards — editorial, expensive */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:60px;margin-top:84px}
.card{background:transparent;border:0;display:flex;flex-direction:column;position:relative}
.card .ph{aspect-ratio:3/4;overflow:hidden;border-radius:0}      /* sharp edges read editorial, not e-commerce */
.card .ph img{width:100%;height:100%;object-fit:cover;transition:transform 1.3s cubic-bezier(.16,.84,.44,1)}
.card:hover .ph img{transform:scale(1.05)}
.card .body{padding:30px 2px 0;display:flex;flex-direction:column;flex:1}
.pkg-no{font-size:11px;letter-spacing:4px;color:var(--gold);font-weight:400;margin-bottom:16px;display:flex;align-items:center;gap:12px}
.pkg-no:after{content:"";flex:1;height:1px;background:var(--line)}
.card h3{font-size:24px;color:var(--cream);font-weight:400;letter-spacing:.4px;line-height:1.25}
.card .desc{font-size:13px;color:var(--muted);margin:14px 0 26px;flex:1;line-height:1.95;font-weight:300}
.price{display:flex;flex-direction:column}
.price .row{display:flex;justify-content:space-between;align-items:baseline;padding:14px 0;border-top:1px solid var(--line)}
.price .row span{font-size:10.5px;letter-spacing:2.5px;text-transform:uppercase;color:var(--muted);font-weight:400}
.price b{color:var(--cream);font-size:17px;font-weight:400;letter-spacing:.5px;font-variant-numeric:tabular-nums}
/* refined 'most loved' label — no pill, just letterspaced type on the image */
.badge{position:absolute;top:20px;left:20px;color:#fff;font-size:9.5px;font-weight:500;letter-spacing:2.5px;text-transform:uppercase;z-index:2;padding-bottom:5px;border-bottom:1px solid rgba(255,255,255,.6);text-shadow:0 1px 3px rgba(0,0,0,.55),0 0 14px rgba(0,0,0,.45)}

/* treatments menu — open rows */
.menu{display:grid;grid-template-columns:repeat(2,1fr);gap:30px 60px;margin-top:74px}
.mcat{background:transparent;border:0;border-radius:0;padding:0}
.member{margin-top:96px;padding-top:76px;border-top:1px solid var(--line-2);text-align:center}
.mhead h3{font-size:clamp(22px,3.2vw,30px);letter-spacing:9px;color:var(--cream);font-weight:400}
.msub{font-size:11px;letter-spacing:3px;text-transform:uppercase;color:var(--muted);margin-top:14px}
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:58px}
.tier{padding:8px 34px;border-left:1px solid var(--line)}
.tier:first-child{border-left:0}
.tdot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-bottom:24px}
.tier h4{font-family:"Jost","Sarabun",sans-serif;font-size:15px;letter-spacing:4px;color:var(--cream);font-weight:500;margin-bottom:20px}
.tprice{font-family:"Jost",sans-serif;font-size:36px;font-weight:300;color:var(--cream);letter-spacing:1px;line-height:1}
.tprice small{display:block;font-size:10px;letter-spacing:3px;color:var(--muted);margin-top:9px;font-weight:400}
.tier p{font-size:13px;color:var(--muted);line-height:1.9;font-weight:300;margin-top:22px}
.mthanks{max-width:600px;margin:58px auto 0;font-size:12.5px;color:var(--muted);font-weight:300;line-height:1.9;font-style:italic}
.mcat .head{display:flex;align-items:baseline;gap:14px;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:8px}
.mcat .head h3{font-size:15px;letter-spacing:5px;color:var(--cream);font-weight:500}
.mcat .head .thai{font-size:11px;color:var(--gold);font-weight:400;letter-spacing:2px}
.mitem{padding:18px 0;border-bottom:1px solid var(--line)}
.mitem:last-child{border-bottom:0}
.mitem .nm{font-family:"Jost","Sarabun",sans-serif;font-size:16px;color:var(--cream);letter-spacing:.3px}
.mdesc{font-size:12.5px;color:var(--muted);margin-top:4px;font-weight:300;line-height:1.6}
.durs{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:11px;font-size:13px;color:var(--muted);font-weight:300}
.durs b{color:var(--amber);font-weight:500;margin-left:5px}
.note{font-size:12.5px;color:var(--muted);margin-top:34px;text-align:center;letter-spacing:.3px}

/* signature rituals */
.rituals{display:grid;grid-template-columns:repeat(2,1fr);gap:66px 56px;margin-top:64px}
.rphoto{aspect-ratio:16/10;overflow:hidden;border-radius:8px;margin-bottom:24px}
.rphoto img{width:100%;height:100%;object-fit:cover;transition:.6s}
.ritual:hover .rphoto img{transform:scale(1.04)}
.rhead{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:20px}
.rhead h3{font-size:24px;color:var(--cream);font-weight:400;letter-spacing:.5px}
.rth{font-size:13px;color:var(--gold);font-weight:300}
.rdesc{font-size:13.5px;color:var(--muted);line-height:1.95;font-weight:300}
.rcombo{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;margin-top:24px;padding:15px 16px;background:rgba(120,105,84,.12);border-radius:4px;font-size:12.5px;color:var(--cream);text-align:center;letter-spacing:.3px}
.rcombo b{color:var(--cream);font-weight:400}
.rcombo .rplus{margin:0 12px;color:var(--gold)}
.rprice{display:flex;flex-wrap:wrap;gap:16px 32px;margin-top:20px}
.rprice span{font-size:16px;color:var(--cream);font-weight:400}
.rprice em{display:block;font-size:10.5px;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted);font-style:normal;margin-bottom:5px}
.rbook{display:inline-block;margin-top:24px;font-size:11.5px;letter-spacing:1.8px;text-transform:uppercase;color:var(--cream);border-bottom:1px solid var(--gold);padding-bottom:5px;transition:.25s}
.rbook:hover{color:var(--amber);border-color:var(--amber)}

/* treatment rows — large photo (WWG style) */
.menu-rows{width:100vw;margin-left:calc(50% - 50vw);display:flex;flex-direction:column;gap:0;margin-top:60px}
.trow{display:flex;align-items:stretch;gap:0;min-height:640px}
.trow:nth-child(even){flex-direction:row-reverse}
.trow .rphoto{flex:1.9;aspect-ratio:auto;margin-bottom:0;border-radius:0;position:relative}
.trow .rphoto img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:.8s}
.trow:hover .rphoto img{transform:scale(1.03)}
.tinfo{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:center;padding:0 5vw}
.tinfo h3{font-size:31px;color:var(--cream);font-weight:400;letter-spacing:.5px;line-height:1.2}
.telem{display:block;font-size:11px;letter-spacing:2.5px;text-transform:uppercase;color:var(--gold);margin-top:13px}
.tdesc{font-size:15px;color:var(--muted);line-height:1.95;font-weight:300;margin-top:24px;max-width:42ch}
.trprices{margin-top:30px;font-size:18px;color:var(--cream);letter-spacing:1px;font-weight:400}
.trdurs{margin-top:8px;font-size:11.5px;color:var(--muted);letter-spacing:2px;text-transform:uppercase}
.tbtn{display:inline-block;margin-top:32px;background:var(--amber);color:#f6f2ea;padding:15px 46px;font-size:11.5px;letter-spacing:1.8px;text-transform:uppercase;border-radius:2px;transition:.25s}
.tbtn:hover{background:#473c2d}

/* split feature */
.split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.split.alt{direction:rtl}.split.alt>*{direction:ltr}
.split .ph img{border-radius:var(--r);width:100%;aspect-ratio:4/5;object-fit:cover}
.split h2{font-size:40px;margin-bottom:18px;font-weight:400;line-height:1.2}
.split ul{list-style:none;margin-top:24px}
.split li{padding:11px 0 11px 26px;position:relative;font-size:14.5px;color:var(--ink);border-bottom:1px solid var(--line);font-weight:300}
.split li:last-child{border-bottom:0}
.split li:before{content:"";position:absolute;left:0;top:19px;width:6px;height:6px;border:1px solid var(--gold);transform:rotate(45deg)}

/* gallery */
.gal{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:190px;gap:16px;margin-top:64px}
.gal a{overflow:hidden;border-radius:var(--r)}
.gal img{width:100%;height:100%;object-fit:cover;transition:.6s}
.gal a:hover img{transform:scale(1.05)}
.gal .big{grid-column:span 2;grid-row:span 2}
.gal .tall{grid-row:span 2}

/* booking band */
.book{position:relative;background:linear-gradient(rgba(16,11,7,.56),rgba(16,11,7,.74)),url("../img/glass-room.jpg") center 28%/cover no-repeat;border-top:1px solid var(--line);border-bottom:1px solid var(--line);text-align:center}
.book h2{color:#fff;font-size:46px;font-weight:400}
.book p{color:#efe6d8;max-width:480px;margin:20px auto 34px;font-weight:300}
.book .row{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.book .btn-line{background:#f6f2ea;color:#2a241d}
.book .btn-line:hover{background:#fff}
.book .btn-ghost{color:#fff;border-color:rgba(255,255,255,.45)}
.book .btn-ghost:hover{border-color:#fff;color:#fff}
.book .alt-links{margin-top:26px;font-size:12.5px;color:#d8cdbb;letter-spacing:.3px}
.book .alt-links a{color:#fff;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.3);margin:0 6px;padding-bottom:2px}

/* location */
.loc{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:stretch}
.loc .info p{margin:8px 0;font-size:15px;font-weight:300}
.loc .info a{color:var(--amber)}
.loc .info .lbl{color:var(--gold);font-weight:500;font-size:10.5px;letter-spacing:2px;text-transform:uppercase;margin-top:26px}
.loc iframe{width:100%;height:100%;min-height:340px;border:0;border-radius:var(--r);filter:grayscale(.25) contrast(.95)}

/* footer */
footer{background:var(--bg-2);color:var(--muted);font-size:14px;padding:74px 0 30px;border-top:1px solid var(--line)}
.foot{display:grid;grid-template-columns:2fr 1fr 1fr;gap:44px}
.foot-logo{height:62px;width:auto;display:block}
footer p{font-weight:300}
footer h5{color:var(--cream);font-size:11px;letter-spacing:2px;text-transform:uppercase;margin-bottom:14px;font-weight:500}
footer a{display:block;padding:5px 0;color:var(--muted);font-weight:300}
footer a:hover{color:var(--amber)}
.copy{border-top:1px solid var(--line);margin-top:44px;padding-top:24px;text-align:center;font-size:12px;color:var(--muted);font-weight:300}

/* floating LINE */
.fab{position:fixed;right:22px;bottom:22px;z-index:60;background:var(--amber);color:#f6f2ea;border-radius:2px;padding:14px 26px;font-weight:500;display:flex;gap:8px;align-items:center;box-shadow:0 12px 30px rgba(60,48,34,.28);font-size:11px;letter-spacing:1.5px;text-transform:uppercase}
.fab:hover{background:#473c2d}

/* fine taupe rule under centered titles */
.center h2.title:after{content:"";display:block;width:38px;height:1px;background:var(--gold);opacity:.6;margin:24px auto 4px}

/* unifying warm grade on photography */
.card .ph img,.split .ph img,.gal img,.rphoto img{filter:saturate(.9) brightness(1.01) contrast(1.0)}
.card:hover .ph img,.gal a:hover img{filter:saturate(1) brightness(1.03) contrast(1.0)}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(26px);transition:opacity 1.1s cubic-bezier(.22,.61,.36,1),transform 1.1s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* mobile */
@media(max-width:900px){
  .nav-links{position:fixed;top:84px;left:0;right:0;background:var(--bg);flex-direction:column;gap:0;padding:10px 0;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:.3s;height:auto}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:14px 26px;width:100%}
  .hamb{display:block}
  .strip .wrap{grid-template-columns:1fr}
  .strip .item{border-left:0;border-top:1px solid var(--line);padding:30px 0}
  .strip .item:first-child{border-top:0}
  .elements{grid-template-columns:1fr;border-top:0}
  .el{border-left:0;border-top:1px solid var(--line);padding:38px 0}
  .el:first-child{border-top:0}
  .tiers{grid-template-columns:1fr}
  .tier{border-left:0;border-top:1px solid var(--line);padding:36px 0}
  .tier:first-child{border-top:0}
  .cards,.menu{grid-template-columns:1fr;gap:48px}
  .menu-rows{margin-top:48px}
  .trow,.trow:nth-child(even){flex-direction:column;gap:0;min-height:0}
  .trow .rphoto{flex:none;width:100%;aspect-ratio:16/11}
  .tinfo{padding:32px 24px 0}
  .tinfo h3{font-size:26px}
  .split,.loc,.foot{grid-template-columns:1fr;gap:36px}
  .split.alt{direction:ltr}
  .gal{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px}
  .hero h1{font-size:44px}.hero p{font-size:16px}
  h2.title{font-size:34px}.section{padding:84px 0}
}