:root{
  --ink:#1d1d1f; --ink2:#1d1d1f; --paper:#ffffff; --paper2:#f5f5f7;
  --brass:#0071e3; --brass-deep:#0071e3; --soft:#6e6e73; --line:#d2d2d7;
  --bp-tint:#ffffff; --bp-ink:#1d1d1f;
  --do-tint:#ffffff; --do-ink:#1d1d1f;
  --mw-tint:#ffffff; --mw-ink:#1d1d1f;
  --radius:20px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:'Work Sans',-apple-system,BlinkMacSystemFont,Arial,sans-serif;
  -webkit-font-smoothing:antialiased}
[data-lang] .th{display:none}
[data-lang='th'] .en{display:none}[data-lang='th'] .th{display:inline}
h1,h2,h3{font-family:'Work Sans',-apple-system,BlinkMacSystemFont,Arial,sans-serif;margin:0;font-weight:600;letter-spacing:-.02em}
:lang(th),[data-lang='th'] h1,[data-lang='th'] h2,[data-lang='th'] h3{font-family:'Noto Sans Thai','Work Sans',sans-serif}
[data-lang='th'] body,[data-lang='th']{font-family:'Noto Sans Thai','Work Sans',sans-serif}
p{color:var(--soft);line-height:1.6;margin:0}
a{color:inherit;text-decoration:none}
.wrap{max-width:1100px;margin:0 auto;padding:0 32px}
@media(max-width:760px){.wrap{padding:0 20px}}

/* NAV */
.nav{display:flex;align-items:center;justify-content:space-between;padding:0;height:52px}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;width:100%}
header.navbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.8);backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid rgba(0,0,0,.06)}
.brand{display:flex;align-items:center}
.brand img{height:28px;width:auto;display:block}
.nav-right{display:flex;align-items:center;gap:28px;font-size:12.5px}
.nav-right a{color:var(--ink);opacity:.8;font-weight:400}
.nav-right a:hover{opacity:1}
.langsw{display:flex;border:1px solid var(--line);border-radius:20px;overflow:hidden}
.langsw button{border:0;background:none;padding:5px 12px;font:inherit;font-size:11.5px;font-weight:600;cursor:pointer;color:var(--soft)}
.langsw button[aria-pressed='true']{background:var(--ink);color:#fff}

/* HERO */
.hero{padding:120px 0 96px;text-align:center;background:linear-gradient(180deg,#fbfbfd 0%,#ffffff 100%)}
.hero .wrap{display:flex;flex-direction:column;align-items:center}
.hero .kicker{display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:22px}
.hero .kicker .rule{display:none}
.hero .kicker span{font-size:13px;color:var(--soft);font-weight:600;letter-spacing:.02em;text-transform:uppercase}
.hero h1{font-size:clamp(34px,6vw,64px);line-height:1.08;max-width:18ch;font-weight:700;letter-spacing:-.03em;color:var(--ink)}
.hero p.lead{margin-top:22px;max-width:52ch;font-size:19px;color:var(--soft);line-height:1.5}
@media(max-width:760px){.hero{padding:72px 0 56px}}

/* ABOUT */
.about{background:var(--paper2);padding:96px 0;border-top:none;border-bottom:none}
.about-grid{display:grid;grid-template-columns:1fr;gap:64px;align-items:start;text-align:center}
.about-grid>div:first-child{max-width:640px;margin:0 auto}
.about h2{font-size:clamp(28px,4vw,40px);margin-bottom:18px;font-weight:700;letter-spacing:-.02em}
.about .lead2{font-size:17px;max-width:56ch;margin-left:auto;margin-right:auto;color:var(--soft)}
.about .lead2+.lead2{margin-top:14px}
.feats{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;text-align:left;max-width:960px;margin:12px auto 0}
@media(max-width:900px){.feats{grid-template-columns:1fr;max-width:460px}}
.feat{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.feat .n{flex:none;width:34px;height:34px;border-radius:50%;background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--brass-deep);font-weight:700;font-size:13px}
.feat h4{font-family:'Work Sans',sans-serif;font-weight:600;font-size:16px;color:var(--ink);margin:0}
.feat p{font-size:14px}

/* BRAND TILES */
.brands{padding:96px 0}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:900px){.grid3{grid-template-columns:1fr}}
.tile{border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;position:relative;
  border:1px solid var(--line);background:#fff;transition:transform .25s cubic-bezier(.2,.7,.3,1),box-shadow .25s ease}
.tile:hover{transform:translateY(-4px);box-shadow:0 24px 48px rgba(0,0,0,.08)}
.tile .shot{aspect-ratio:4/3;overflow:hidden;background:var(--paper2)}
.tile .shot img{width:100%;height:100%;object-fit:cover;display:block}
.tile .icon-shot{aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;background:var(--paper2)}
.tile .icon-shot svg{width:64px;height:64px;color:var(--soft)}
.tile .body{padding:28px 26px 30px;flex:1;display:flex;flex-direction:column}
.tile h3{font-size:21px;margin-bottom:8px;font-weight:700;letter-spacing:-.01em}
.tile p{font-size:14.5px;flex:1;color:var(--soft)}
.tile .go{margin-top:20px;display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14px;color:var(--brass)}
.tile .go svg{width:14px;height:14px;transition:transform .15s ease}
.tile:hover .go svg{transform:translateX(3px)}
.tile--bp h3{color:var(--ink)} .tile--do h3{color:var(--ink)} .tile--mw h3{color:var(--ink)}
.tile .tag{position:absolute;top:16px;left:16px;background:rgba(255,255,255,.92);border-radius:20px;padding:5px 12px;
  font-size:11px;font-weight:600;letter-spacing:.02em;color:var(--ink)}

/* WHERE TO BUY */
.buy{padding:88px 0;background:var(--paper2)}
.buy h2{font-size:clamp(24px,3vw,32px);margin-bottom:28px;text-align:center;font-weight:700;letter-spacing:-.02em}
.shops{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media(max-width:760px){.shops{grid-template-columns:1fr 1fr}}
.shop{border:1px solid var(--line);border-radius:16px;padding:22px 22px;background:#fff;transition:box-shadow .2s ease,transform .2s ease}
.shop:hover{box-shadow:0 14px 28px rgba(0,0,0,.06);transform:translateY(-2px)}
.shop b{display:block;font-size:16px;margin-bottom:4px;font-weight:600}
.shop span{display:block;font-size:12.5px;color:var(--soft)}
.shop em{display:block;margin-top:14px;font-style:normal;font-size:12.5px;font-weight:600;color:var(--brass)}

/* FOOTER */
footer{background:#000;color:#86868b;padding:56px 0 30px;margin-top:0}
footer h2{color:#fff;font-size:22px;margin-bottom:18px;font-weight:700}
footer p{color:#86868b;font-size:13px;line-height:1.7}
footer a{color:#fff;text-decoration:none}
footer a:hover{text-decoration:underline}
.foot-grid{display:flex;justify-content:space-between;flex-wrap:wrap;gap:24px}
.foot-rule{height:1px;background:rgba(255,255,255,.14);margin:32px 0 18px}
.fineprint{font-size:11.5px;color:#6e6e73}

/* PLACEHOLDER (SBL Mineral Water — coming soon) */
.soon{padding:96px 0 72px;text-align:left}
.soon .icon{width:60px;height:60px;color:var(--ink);margin-bottom:22px}
.soon h1{font-size:36px;max-width:18ch;font-weight:700;letter-spacing:-.02em}
.soon p.lead{margin-top:16px;max-width:52ch;font-size:16.5px}
.soon .back{display:inline-flex;align-items:center;gap:7px;margin-top:26px;font-weight:600;font-size:14px;color:var(--ink)}
.soon .back svg{width:15px;height:15px;transform:rotate(180deg)}