/* ===== มวนเปล่า ทั่วไทย By พลัง — design system ===== */
:root{
  --red:#fe3833;
  --red-d:#e02520;
  --orange:#ff884b;
  --grad:linear-gradient(135deg,#fe3833 0%,#ff7a3d 55%,#ff994b 100%);
  --grad-soft:linear-gradient(135deg,#fff1ec,#fff7e9);
  --green:#6fb800;
  --green-l:#8fd90a;
  --ink:#1c1917;
  --muted:#6b6360;
  --line:#eee3dd;
  --bg:#ffffff;
  --bg-soft:#fff6f1;
  --dark:#231c1a;
  --r:14px;
  --r-sm:10px;
  --wrap:1140px;
  --shadow:0 10px 30px rgba(254,56,51,.10);
  --shadow-sm:0 4px 14px rgba(0,0,0,.07);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'LINESeedSansTH','Sarabun',system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;font-size:16.5px;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 18px}
section{position:relative}
.sec{padding:64px 0}
h1,h2,h3{line-height:1.18;font-weight:800;letter-spacing:-.01em}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:inherit;font-weight:800;font-size:1rem;cursor:pointer;padding:14px 26px;border-radius:999px;border:0;transition:.18s;line-height:1;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-line{background:#06c755;color:#fff;box-shadow:0 6px 18px rgba(6,199,85,.32)}
.btn-line:hover{background:#05b54d}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(254,56,51,.32)}
.btn-grad:hover{filter:brightness(1.05)}
.btn-dark{background:var(--dark);color:#fff}
.btn-dark:hover{background:#000}
.btn-ghost{background:#fff;color:var(--red);border:2px solid var(--red)}
.btn-ghost:hover{background:var(--red);color:#fff}
.btn-lg{padding:17px 34px;font-size:1.08rem}
.btn-sm{padding:10px 18px;font-size:.92rem}

/* eyebrow + section heads */
.eyebrow{display:inline-block;background:#fff;border:2px solid var(--red);color:var(--red);font-weight:800;font-size:.8rem;padding:6px 16px;border-radius:999px;letter-spacing:.02em}
.sec-head{text-align:center;max-width:680px;margin:0 auto 40px}
.sec-head h2{font-size:clamp(1.7rem,4.5vw,2.5rem);color:var(--ink);margin:14px 0 10px}
.sec-head h2 em{font-style:normal;color:var(--red)}
.sec-head p{color:var(--muted);font-size:1.05rem}

/* ===== Top bar ===== */
.topbar{background:var(--dark);color:#ffd9cc;font-size:.85rem;text-align:center;padding:7px 12px;font-weight:600}
.topbar b{color:var(--green-l)}

/* ===== Header ===== */
header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.hd{display:flex;align-items:center;justify-content:space-between;height:68px;gap:12px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--ink)}
.brand img{height:46px;width:46px;border-radius:11px;object-fit:cover}
.brand .bt{font-size:1.05rem;line-height:1.05}
.brand .bt small{display:block;font-size:.68rem;color:var(--muted);font-weight:600}
.nav{display:flex;align-items:center;gap:4px}
.nav a{padding:9px 14px;font-weight:700;font-size:.96rem;border-radius:999px;color:var(--ink);transition:.15s}
.nav a:hover{background:var(--bg-soft);color:var(--red)}
.nav a.active{color:var(--red)}
.nav .btn{margin-left:8px}
.burger{display:none;background:none;border:0;font-size:1.6rem;color:var(--ink);cursor:pointer;line-height:1}

/* ===== Hero ===== */
.hero{background:var(--grad-soft);overflow:hidden;position:relative}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding:58px 18px 64px}
.hero h1{font-size:clamp(2.1rem,5.6vw,3.5rem);color:var(--ink)}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:1.15rem;color:var(--muted);margin:18px 0 26px;max-width:520px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-badges span{display:inline-flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--line);padding:8px 15px;border-radius:999px;font-weight:700;font-size:.9rem;box-shadow:var(--shadow-sm)}
.hero-art{position:relative}
.hero-art img{width:100%;border-radius:24px;box-shadow:var(--shadow);object-fit:cover;aspect-ratio:1/1}
.hero-price{position:absolute;right:-6px;bottom:-12px;background:var(--green);color:#fff;font-weight:800;border-radius:18px;padding:14px 20px;box-shadow:0 10px 24px rgba(111,184,0,.4);text-align:center;line-height:1}
.hero-price b{font-size:1.7rem;display:block}
.hero-price small{font-size:.75rem;opacity:.9}

/* ===== Trust strip ===== */
.trust{background:var(--dark);color:#fff}
.trust .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:26px 18px;text-align:center}
.trust .t b{display:block;font-size:1.5rem;color:var(--green-l)}
.trust .t span{font-size:.9rem;color:#d8cfcb}

/* ===== Product cards ===== */
.cats-tabs{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:30px}
.cats-tabs a{padding:9px 20px;border-radius:999px;font-weight:800;background:var(--bg-soft);color:var(--ink);border:1px solid var(--line)}
.cats-tabs a.hot{background:#fff0ec;color:var(--red);border-color:#ffcfc2}
.cats-tabs a.cold{background:#eef7ff;color:#0a86d6;border-color:#bfe2fa}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;transition:.2s;box-shadow:var(--shadow-sm)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card .ph{aspect-ratio:4/3;overflow:hidden;background:var(--bg-soft);position:relative}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:.4s}
.card:hover .ph img{transform:scale(1.06)}
.tag{position:absolute;top:12px;left:12px;font-weight:800;font-size:.78rem;padding:5px 12px;border-radius:999px;color:#fff}
.tag.hot{background:var(--red)}
.tag.cold{background:#0a9bea}
.tag.bead{background:var(--green)}
.tag.tool{background:var(--dark)}
.card .bd{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.card h3{font-size:1.12rem;margin-bottom:4px}
.card .size{font-size:.85rem;color:var(--muted);font-weight:700}
.card p{font-size:.92rem;color:var(--muted);margin:8px 0 14px;flex:1}
.card .foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto}
.card .price{font-weight:800;color:var(--red);font-size:1.05rem}
.card .price small{color:var(--muted);font-weight:600;font-size:.78rem}

/* ===== Compare ร้อน vs เย็น ===== */
.compare{background:var(--bg-soft)}
.cmp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cmp{background:#fff;border-radius:var(--r);padding:28px 24px;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.cmp .ic{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;font-size:1.7rem;margin-bottom:14px}
.cmp.hot .ic{background:#fff0ec}.cmp.cold .ic{background:#eef7ff}.cmp.bead .ic{background:#f1fce0}
.cmp h3{font-size:1.2rem;margin-bottom:8px}
.cmp.hot h3{color:var(--red)}.cmp.cold h3{color:#0a86d6}.cmp.bead h3{color:var(--green)}
.cmp p{color:var(--muted);font-size:.96rem}

/* ===== Steps / how to order ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px 20px;text-align:center;position:relative;box-shadow:var(--shadow-sm)}
.step::before{counter-increment:s;content:counter(s);display:grid;place-items:center;width:44px;height:44px;margin:0 auto 12px;background:var(--grad);color:#fff;font-weight:800;border-radius:50%;font-size:1.2rem}
.step h3{font-size:1.05rem;margin-bottom:5px}
.step p{font-size:.9rem;color:var(--muted)}

/* ===== CTA / contact ===== */
.cta{background:var(--grad);color:#fff;text-align:center}
.cta .wrap{padding:60px 18px}
.cta h2{font-size:clamp(1.7rem,4.5vw,2.5rem);margin-bottom:10px}
.cta p{font-size:1.1rem;opacity:.95;margin-bottom:26px}
.cta .btn-line{background:#fff;color:#06c755}
.cta .btn-line:hover{background:#f0fff6}
.contact-cards{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center;max-width:860px;margin:0 auto}
.qr-box{background:#fff;border-radius:var(--r);padding:22px;text-align:center;color:var(--ink);box-shadow:var(--shadow)}
.qr-box img{width:210px;margin:0 auto 10px;border-radius:10px}
.qr-box b{display:block;font-size:1.05rem}
.socials{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.soc{display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.25);padding:14px 16px;border-radius:var(--r-sm);font-weight:800;color:#fff;transition:.15s;backdrop-filter:blur(4px)}
.soc:hover{background:rgba(255,255,255,.28)}
.soc .si{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;background:#fff;flex:none}
.soc .si img{width:20px;height:20px}
.soc .si.tx{font-weight:900;font-size:1rem}

/* ===== Article (about page) ===== */
.article{max-width:760px;margin:0 auto}
.article h2{font-size:clamp(1.4rem,3.8vw,2rem);margin:34px 0 12px;color:var(--ink)}
.article h2:first-child{margin-top:0}
.article p{color:#43403d;margin-bottom:14px}
.article ul{margin:0 0 16px 4px;list-style:none;display:grid;gap:10px}
.article li{display:flex;gap:10px;align-items:flex-start;color:#43403d}
.article li::before{content:"";flex:none;width:10px;height:10px;margin-top:8px;border-radius:3px;background:var(--grad)}
.callout{background:var(--bg-soft);border-left:4px solid var(--red);border-radius:var(--r-sm);padding:18px 20px;margin:18px 0}
.callout b{color:var(--red)}

/* ===== Footer ===== */
footer{background:var(--dark);color:#b8aeaa;font-size:.95rem}
.fgrid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px;padding:50px 18px 30px}
.fcol h4{color:#fff;font-size:1.02rem;margin-bottom:14px;font-weight:800}
.fcol .fb{display:flex;align-items:center;gap:11px;margin-bottom:13px}
.fcol .fb img{height:44px;width:44px;border-radius:11px}
.fcol .fb b{color:#fff;font-size:1.05rem}
.fcol ul{list-style:none;display:grid;gap:9px}
.fcol a:hover{color:var(--green-l)}
.fbar{border-top:1px solid rgba(255,255,255,.1);padding:16px;text-align:center;font-size:.82rem;color:#897e7a}
.disclaimer{background:#1a1513;color:#7a6f6b;font-size:.78rem;text-align:center;padding:14px 18px;line-height:1.5}

/* ===== Floating LINE ===== */
.fab{position:fixed;right:16px;bottom:16px;z-index:90;display:flex;flex-direction:column;gap:10px}
.fab a{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;box-shadow:0 8px 22px rgba(0,0,0,.25);transition:.15s}
.fab a:hover{transform:scale(1.08)}
.fab .line{background:#06c755}
.fab .line img{width:32px}
.fab .top{background:var(--dark);color:#fff;font-size:1.3rem;width:46px;height:46px;margin:0 auto}

/* reveal */
.rv{opacity:0;transform:translateY(20px);transition:.6s ease}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

/* ===== Responsive ===== */
@media(max-width:920px){
  .hero .wrap{grid-template-columns:1fr;gap:30px;text-align:center;padding:44px 18px}
  .hero .lead{margin-left:auto;margin-right:auto}
  .hero-cta,.hero-badges{justify-content:center}
  .hero-art{max-width:420px;margin:0 auto}
  .grid,.cmp-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .fgrid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .sec{padding:48px 0}
  .nav{position:fixed;inset:0 0 0 auto;width:78%;max-width:300px;background:#fff;flex-direction:column;align-items:stretch;padding:80px 16px;gap:4px;transform:translateX(105%);transition:.3s;box-shadow:-14px 0 44px rgba(0,0,0,.16);z-index:101}
  .nav.open{transform:none}
  .nav a{padding:13px 16px;border-bottom:1px solid var(--line)}
  .nav .btn{margin:10px 0 0}
  .burger{display:block;z-index:102}
  .trust .wrap{grid-template-columns:1fr 1fr;gap:22px 12px}
  .grid,.cmp-grid,.steps{grid-template-columns:1fr}
  .contact-cards{grid-template-columns:1fr}
  .socials{grid-template-columns:1fr 1fr}
  .fgrid{grid-template-columns:1fr;gap:26px}
  .qr-box img{width:180px}
}