/* Teravit Trading — minimal white + green (สีเขียวดึงจากโลโก้บริษัท) */
:root{
  --brand:#2c5041;
  --brand-dark:#1d382d;
  --brand-soft:#edf3ef;
  --ink:#1c2420;
  --muted:#5f6b64;
  --line:#e4e9e5;
  --radius:10px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Kanit",system-ui,-apple-system,"Segoe UI",Tahoma,sans-serif;color:var(--ink);line-height:1.65;background:#fff;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}

/* header */
header.site{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
.brand{display:flex;align-items:center}
.brand img{height:52px;width:auto}
.mark{width:36px;height:36px;border-radius:9px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:700;font-size:18px}
.brand b{display:block;letter-spacing:.07em;font-size:15px;line-height:1.15}
.brand small{display:block;color:var(--muted);font-size:11.5px;line-height:1.2}
nav.main{display:flex;gap:26px;align-items:center}
nav.main a.link{font-size:15px;color:var(--muted);padding:6px 0;border-bottom:2px solid transparent}
nav.main a.link:hover,nav.main a.link[aria-current]{color:var(--ink);border-color:var(--brand)}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 12px;font:inherit;color:var(--ink);cursor:pointer}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:999px;font-weight:500;font-size:15px;border:1px solid var(--brand);background:var(--brand);color:#fff;cursor:pointer;font-family:inherit;transition:background .15s,border-color .15s}
.btn:hover{background:var(--brand-dark);border-color:var(--brand-dark)}
.btn.ghost{background:#fff;color:var(--brand)}
.btn.ghost:hover{background:var(--brand-soft)}

/* hero */
.hero{padding:72px 0 56px}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.08em;color:var(--brand);font-weight:700;margin-bottom:14px}
.hero h1{font-size:clamp(28px,4.3vw,44px);line-height:1.25;margin:0 0 18px;font-weight:700}
.hero p.lead{font-size:17px;color:var(--muted);margin:0 0 28px;max-width:560px}
.hero .actions{display:flex;gap:12px;flex-wrap:wrap}
.panel{border:1px solid var(--line);border-radius:14px;padding:26px;background:linear-gradient(180deg,#fff,var(--brand-soft))}
.panel h2{font-size:14px;letter-spacing:.08em;color:var(--muted);margin:0 0 14px;font-weight:700}
.pills{display:flex;flex-wrap:wrap;gap:8px}
.pills a{padding:6px 14px;border:1px solid var(--line);border-radius:999px;font-size:14px;background:#fff;font-weight:500}
.pills a:hover{border-color:var(--brand);color:var(--brand)}

/* sections */
section.s{padding:56px 0}
section.s.alt{background:#fafbfa;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sh{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:26px}
.sh h2{font-size:26px;margin:0;line-height:1.3}
.sh p{margin:4px 0 0;color:var(--muted)}
.more{color:var(--brand);font-weight:500;font-size:15px;white-space:nowrap}
.more:hover{text-decoration:underline}

.cats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cat{display:block;border:1px solid var(--line);border-radius:var(--radius);padding:20px;background:#fff;transition:border-color .15s,transform .15s}
.cat:hover{border-color:var(--brand);transform:translateY(-2px)}
.cat .en{display:block;font-weight:700;font-size:14px;letter-spacing:.04em}
.cat .th{display:block;color:var(--muted);font-size:14px;margin-top:4px}

.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;transition:border-color .15s,box-shadow .15s}
.card:hover{border-color:var(--brand);box-shadow:0 6px 20px rgba(29,56,45,.10)}
.thumb{aspect-ratio:3/2;background:var(--brand-soft);display:grid;place-items:center;overflow:hidden}
.thumb img{width:100%;height:100%;object-fit:contain}
.card .body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.card h3{font-size:15.5px;line-height:1.5;margin:0;font-weight:600}
.tag{align-self:flex-start;font-size:12px;color:var(--brand-dark);background:var(--brand-soft);padding:2px 10px;border-radius:999px;font-weight:500}
.card .go{margin-top:auto;color:var(--brand);font-size:14px;font-weight:500}

.values{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.value{border-top:2px solid var(--brand);padding-top:16px}
.value h3{margin:0 0 6px;font-size:17px}
.value p{margin:0;color:var(--muted);font-size:15px}

.band{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;background:var(--brand-soft);border:1px solid #d3e1d8;border-radius:14px;padding:32px}
.band h2{margin:0 0 4px;font-size:22px}
.band p{margin:0;color:var(--muted)}

/* inner pages */
.page-head{padding:44px 0 24px;border-bottom:1px solid var(--line)}
.crumbs{font-size:13.5px;color:var(--muted);margin-bottom:10px}
.crumbs a:hover{color:var(--brand)}
.page-head h1{margin:0;font-size:clamp(24px,3.4vw,34px);line-height:1.3}
.page-head p{margin:8px 0 0;color:var(--muted);max-width:720px}
.prose{max-width:760px;font-size:16.5px}
.prose p{margin:0 0 18px}
.notice{margin-top:28px;border:1px dashed #b5cbbd;background:#f5f9f6;border-radius:var(--radius);padding:16px 18px;color:var(--muted);font-size:15px}
.notice a{color:var(--brand);font-weight:500}

.detail{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:36px 20px 20px;align-items:start}
.detail .pic{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--brand-soft);aspect-ratio:3/2;display:grid;place-items:center}
.detail .pic img{width:100%;height:100%;object-fit:contain}
.detail h1{font-size:clamp(22px,3vw,30px);line-height:1.35;margin:0 0 14px}
dl.facts{margin:0 0 22px;border-top:1px solid var(--line)}
dl.facts div{display:flex;gap:16px;padding:10px 0;border-bottom:1px solid var(--line)}
dl.facts dt{width:110px;color:var(--muted);flex-shrink:0}
dl.facts dd{margin:0;font-weight:500}
dl.facts dd a{color:var(--brand)}
.detail .actions{display:flex;gap:12px;flex-wrap:wrap}

.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;padding:36px 20px 56px}
.info p{margin:0 0 14px}
.info .k{display:block;color:var(--muted);font-size:13px}
form.f{display:grid;gap:14px}
form.f label{display:grid;gap:6px;font-size:14px;color:var(--muted)}
form.f input,form.f textarea{font:inherit;color:var(--ink);padding:11px 13px;border:1px solid var(--line);border-radius:8px;background:#fff}
form.f input:focus,form.f textarea:focus{outline:2px solid var(--brand-soft);border-color:var(--brand)}
form.f textarea{min-height:130px;resize:vertical}
.hint{font-size:13px;color:var(--muted)}

/* footer */
footer.site{border-top:1px solid var(--line);margin-top:24px;padding:40px 0 28px;background:#fafbfa}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
footer h4{margin:0 0 10px;font-size:14px;letter-spacing:.06em}
footer p,footer li{margin:0 0 6px;font-size:14.5px;color:var(--muted)}
footer ul{list-style:none;margin:0;padding:0}
footer a:hover{color:var(--brand)}
.copy{margin-top:28px;padding-top:18px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}

@media(max-width:900px){
  .hero-grid,.detail,.contact{grid-template-columns:1fr}
  .cats{grid-template-columns:repeat(2,1fr)}
  .grid,.values{grid-template-columns:repeat(2,1fr)}
  .fgrid{grid-template-columns:1fr 1fr}
}
@media(max-width:700px){
  .menu-btn{display:block}
  nav.main{display:none;position:absolute;left:0;right:0;top:72px;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 16px}
  nav.main.open{display:flex}
  nav.main a.link{padding:12px 0;border-bottom:1px solid var(--line)}
  nav.main .btn{margin-top:12px;justify-content:center}
  .grid,.values,.cats{grid-template-columns:1fr}
  .hero{padding:44px 0 36px}
  .fgrid{grid-template-columns:1fr}
}

/* ===== แนวทาง A: ส่วนบน (hero) และส่วนท้าย (footer) เขียวเข้ม ===== */
.hero{background:linear-gradient(135deg,#2c5041 0%,#1d382d 100%);color:#fff}
.hero h1{color:#fff}
.hero p.lead{color:#cfe0d6}
.hero .eyebrow{color:#9fd0b2}
.hero .btn{background:#fff;color:var(--brand-dark);border-color:#fff}
.hero .btn:hover{background:var(--brand-soft);border-color:var(--brand-soft)}
.hero .btn.ghost{background:transparent;color:#fff;border-color:#8fae9d}
.hero .btn.ghost:hover{background:rgba(255,255,255,.1)}
.panel{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2)}
.panel h2{color:#bcd3c5}
.pills a{background:#fff;color:var(--ink)}
.panel .pills a{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.25)}
.panel .pills a:hover{background:#fff;color:var(--brand-dark);border-color:#fff}
section.s.alt{background:var(--brand-soft);border-color:#d3e1d8}
.page-head{background:var(--brand-soft);border-color:#d3e1d8}
.band{background:var(--brand);border-color:var(--brand);color:#fff}
.band p{color:#cfe0d6}
.band .btn{background:#fff;color:var(--brand-dark);border-color:#fff}
.band .btn:hover{background:var(--brand-soft)}
footer.site{background:#1d382d;border-color:#1d382d;margin-top:0}
footer.site p,footer.site li,footer.site .copy,footer.site a{color:#cfe0d6}
footer.site h4{color:#fff}
footer.site a:hover{color:#fff;text-decoration:underline}
footer.site .copy{border-color:#3b5a4b}

/* ===== ค้นหา + รายการสินค้าทั้งหมด ===== */
.search{width:100%;max-width:520px;font:inherit;padding:12px 18px;border:1px solid var(--line);border-radius:999px;margin-bottom:18px;background:#fff;color:var(--ink)}
.search:focus{outline:2px solid var(--brand-soft);border-color:var(--brand)}
.plist{list-style:none;margin:0 0 12px;padding:0;columns:2;column-gap:36px}
.plist li{break-inside:avoid;display:flex;gap:12px;align-items:baseline;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--line);font-size:15px}
.plist li[hidden]{display:none}
.plist a:hover{color:var(--brand);text-decoration:underline}
.plist .tag{flex-shrink:0}
@media(max-width:700px){.plist{columns:1}}

/* ===== แก้รูปสินค้าถูกตัด: แสดงเต็มรูปในกรอบ 3:2 ===== */
.thumb,.detail .pic{position:relative;background:#fff;display:block}
.thumb{border-bottom:1px solid var(--line)}
.thumb img,.detail .pic img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:10px}

/* pagination */
.pager{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;align-items:center;margin:36px 0 4px}
.pager a{min-width:40px;height:40px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink);font-size:15px}
.pager a:hover{border-color:var(--brand);color:var(--brand)}
.pager a.on{background:var(--brand);border-color:var(--brand);color:#fff}
.pager .gap{color:var(--muted)}
#paged[hidden],#search-results[hidden]{display:none}

/* ปุ่มประเภทสินค้าแบบมีรูป */
.cat{display:flex;align-items:center;gap:16px;padding:14px 16px}
.cat .ci{flex:0 0 84px;width:84px;height:84px;border-radius:50%;background:#fff;overflow:hidden;position:relative;border:2px solid var(--brand-soft);box-shadow:0 0 0 1px var(--line)}
.cat .ci img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:8px}
.cat .ct{min-width:0}
.cat:hover .ci{border-color:var(--brand)}
@media(max-width:560px){.cat .ci{flex-basis:72px;width:72px;height:72px}}

/* ปุ่มแบรนด์ (โลโก้) */
.cat.brand{flex-direction:column;justify-content:center;text-align:center;gap:10px;padding:22px 16px;min-height:132px}
.cat.brand .bl{height:52px;display:flex;align-items:center;justify-content:center;max-width:100%}
.cat.brand .bl img{height:auto;max-height:48px;max-width:185px;width:auto;object-fit:contain}
.cat.brand .wm{font-size:24px;letter-spacing:.02em;color:var(--brand-dark);font-weight:700}
.cat.brand .en{font-weight:500;font-size:13px;letter-spacing:.1em;color:var(--muted)}

/* hero แบบรูปแบนเนอร์ */
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.hero.hero-img{padding:48px 0}
.hero-pic{display:block;border-radius:16px;overflow:hidden;box-shadow:0 0 0 6px rgba(255,255,255,.14),0 18px 40px rgba(0,0,0,.28)}
.hero-pic img{display:block;width:100%;height:auto}
@media(max-width:700px){.hero.hero-img{padding:28px 0}.hero-pic{border-radius:12px}}

/* รูปสเปคสินค้า */
.spec{display:block;border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:12px;text-align:center}
.spec img{display:inline-block;max-width:100%;height:auto}