.hero{padding:72px 0 64px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero h1{font-family:'Kanit';font-weight:800;font-size:clamp(38px,5.5vw,62px);line-height:1.02;letter-spacing:-1px}
.hero h1 em{color:var(--red);font-style:normal}
.hero .lead{color:var(--muted);font-size:18px;max-width:440px;margin:20px 0 30px}
.btns{display:flex;gap:12px;flex-wrap:wrap}
/* แบนเนอร์: พื้นหลังและแสงเรืองเปลี่ยนตามสีขวดที่กำลังโชว์ (--bc ตั้งจาก PHP แล้ว home.js สลับเวลาเปลี่ยนรุ่น) */
.hero-art{position:relative;border-radius:14px;min-height:420px;display:flex;align-items:center;justify-content:center;overflow:hidden;
  background:radial-gradient(ellipse at 52% 52%,var(--tint,#f4f5f8) 0%,#fff 72%);
  box-shadow:inset 0 0 0 1px #edeef2;transition:background .45s ease}
.hero-art .pflow{position:absolute;left:0;top:4%;width:100%;height:92%;pointer-events:none;z-index:1}
/* ลายน้ำเบอร์ความหนืด — ต้องเห็นครบ (เดิมถูกตัดเหลือ "0W-40" ทั้งที่เป็น 10W-40) */
.hero-wm{position:absolute;left:0;right:0;bottom:8px;text-align:center;font-family:'Signs','Chakra Petch';font-weight:700;font-size:clamp(56px,6.4vw,96px);letter-spacing:-2px;color:rgba(20,20,24,.06);line-height:1;white-space:nowrap;z-index:1;transition:opacity .25s}
.hero-glow{position:absolute;left:50%;top:52%;width:300px;height:300px;transform:translate(-50%,-50%);border-radius:50%;
  background:radial-gradient(circle,color-mix(in srgb,var(--bc,var(--red)) 22%,transparent) 0%,transparent 62%);
  filter:blur(10px);animation:heroGlow 4.5s ease-in-out infinite;pointer-events:none;z-index:1}
.hero-art img{max-height:330px;z-index:2;filter:drop-shadow(0 8px 16px rgba(0,0,0,.22));-webkit-box-reflect:below -4px linear-gradient(transparent 60%,rgba(0,0,0,.28));animation:heroFloat 4.5s ease-in-out infinite}
.hero-art img.swap{animation:heroPop .45s cubic-bezier(.34,1.56,.64,1),heroFloat 4.5s ease-in-out .45s infinite}
.hero-tag{position:absolute;top:22px;left:22px;background:var(--red);color:#fff;font-family:'Signs','Chakra Petch';font-weight:700;font-size:12px;letter-spacing:1px;padding:6px 12px;border-radius:2px;z-index:3}
/* ข้อความฝั่งซ้ายเปลี่ยนตามสินค้า — เฟดรับตอนสลับ (fill forwards กันชนกับ entrance ที่ base opacity:0) */
.hero-copy.swap h1,.hero-copy.swap .lead{animation:heroCopySwap .45s cubic-bezier(.2,.8,.2,1) forwards}
@keyframes heroCopySwap{0%{opacity:0;transform:translateY(12px)}100%{opacity:1;transform:none}}
.hero h1 em{white-space:nowrap}
.hero-picks{display:flex;gap:10px;justify-content:center;margin-top:14px}
.hero-picks .hp{width:62px;height:62px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:6px;transition:.18s;opacity:.65}
.hero-picks .hp img{max-width:100%;max-height:100%;object-fit:contain;pointer-events:none}
.hero-picks .hp:hover{opacity:1;transform:translateY(-2px);border-color:color-mix(in srgb,var(--bc,var(--red)) 45%,#fff)}
.hero-picks .hp.on{opacity:1;border-color:var(--bc,var(--red));
  box-shadow:0 6px 16px -4px color-mix(in srgb,var(--bc,var(--red)) 45%,transparent)}
/* entrance stagger */
.hero-copy .eyebrow,.hero-copy h1,.hero-copy .lead,.hero-copy .btns{opacity:0;animation:heroUp .65s cubic-bezier(.2,.8,.2,1) forwards}
.hero-copy h1{animation-delay:.08s}.hero-copy .lead{animation-delay:.16s}.hero-copy .btns{animation-delay:.24s}
.hero-right{opacity:0;animation:heroUp .7s cubic-bezier(.2,.8,.2,1) .18s forwards}
@keyframes heroUp{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
@keyframes heroFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
@keyframes heroGlow{0%,100%{opacity:.55;transform:translate(-50%,-50%) scale(1)}50%{opacity:1;transform:translate(-50%,-50%) scale(1.12)}}
@keyframes heroPop{0%{transform:scale(.9)}100%{transform:scale(1)}}

.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.trust .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px;padding:24px 24px}
.trust div{text-align:center;flex:1;min-width:120px}
.trust .n{font-family:'Signs','Chakra Petch';font-weight:700;font-size:30px;color:var(--ink)}
.trust .c{font-size:13px;color:var(--muted)}

.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feat{padding:28px;border:1px solid var(--line);border-radius:10px;transition:.25s}
.feat:hover{border-color:var(--red);box-shadow:0 12px 30px rgba(229,0,79,.08);transform:translateY(-3px)}
.feat .ic{width:44px;height:44px;border-radius:8px;background:var(--red);display:flex;align-items:center;justify-content:center;color:#fff;font-family:'Signs','Chakra Petch';font-weight:700;margin-bottom:16px}
.feat h3{font-family:'Kanit';font-weight:600;font-size:19px;margin-bottom:6px}
.feat p{color:var(--muted);font-size:14.5px}

.prod{background:var(--soft)}
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}

.dealer .wrap{display:grid;grid-template-columns:1fr .95fr;gap:50px;align-items:center}
.dealer h2{font-family:'Kanit';font-weight:700;font-size:34px;letter-spacing:-.5px}
.dealer p{color:var(--muted);margin:12px 0 20px}
.finder{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px;box-shadow:0 20px 50px rgba(0,0,0,.06)}
.finder label{font-family:'Signs','Chakra Petch';font-size:11px;letter-spacing:1px;color:var(--muted);text-transform:uppercase}
.fake{width:100%;margin:7px 0 16px;background:var(--soft);border:1px solid var(--line);padding:13px 14px;border-radius:6px;font-family:'Kanit';font-size:15px;color:#333}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.chip{font-family:'Signs','Chakra Petch';font-size:12px;border:1px solid var(--line);padding:5px 11px;border-radius:20px;color:#444}
.chip b{color:var(--red)}

/* ===== แถบหมวดสินค้า 6 หมวด ===== */
.hcats{padding-bottom:30px}
.hcats-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.hcat{display:flex;flex-direction:column;align-items:center;gap:9px;padding:24px 12px 20px;border:1px solid var(--line);border-radius:12px;text-align:center;transition:.2s;background:#fff}
.hcat .ib{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;color:var(--c);background:color-mix(in srgb,var(--c) 11%,#fff);transition:background .18s,color .18s}
.hcat .ib svg{width:27px;height:27px}
.hcat b{font-family:'Kanit';font-weight:600;font-size:14.5px;color:var(--text)}
.hcat .cnt{font-family:'Signs','Chakra Petch';font-size:11px;color:var(--muted);letter-spacing:.5px}
.hcat:hover{border-color:var(--c);transform:translateY(-4px);box-shadow:0 14px 30px -12px color-mix(in srgb,var(--c) 45%,transparent)}
.hcat:hover .ib{color:#fff;background:var(--c);animation:mtabPop .3s cubic-bezier(.34,1.56,.64,1)}
.hcat:hover b{color:var(--c)}

/* ===== ตัวช่วยเลือกน้ำมัน (เปิดแชทบอทพร้อมคำถาม) ===== */
.hfind{background:var(--soft)}
.hfind-box{display:grid;grid-template-columns:1fr 1.15fr;gap:36px;align-items:center;background:#111216;color:#fff;border-radius:16px;padding:42px 44px;position:relative;overflow:hidden}
.hfind-box::after{content:'';position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(229,0,79,.32),transparent 65%);pointer-events:none}
.hfind-copy{position:relative;z-index:1}
.hfind-copy .eyebrow{margin-bottom:10px}
.hfind-copy h2{font-family:'Kanit';font-weight:700;font-size:clamp(24px,3vw,32px);line-height:1.25}
.hfind-copy p{color:#b9bac2;margin:10px 0 22px}
.hfind-picks{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;position:relative;z-index:1}
.hfp{display:flex;align-items:center;gap:12px;padding:14px 16px;border:1px solid rgba(255,255,255,.14);border-radius:12px;background:rgba(255,255,255,.04);color:#fff;transition:.2s}
.hfp .ib{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:#fff;background:color-mix(in srgb,var(--c) 70%,transparent)}
.hfp .ib svg{width:22px;height:22px}
.hfp b{font-family:'Kanit';font-weight:500;font-size:15px}
.hfp .go{margin-left:auto;color:#6d6e76;transition:.2s}
.hfp:hover{border-color:var(--c);background:color-mix(in srgb,var(--c) 16%,transparent);transform:translateY(-2px)}
.hfp:hover .go{color:#fff;transform:translateX(3px)}

/* ===== แถบวิ่งท้ายหน้า: การ์ดรูปสินค้า (เดิมเป็นตัวอักษร outline) ===== */
.hmarquee{overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--soft);padding:18px 0;white-space:nowrap}
.hm-track{display:inline-flex;animation:hmScroll 38s linear infinite}
.hmarquee:hover .hm-track{animation-play-state:paused}
.hm-run{display:inline-flex;align-items:center;gap:14px;padding-right:14px}
@keyframes hmScroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ===== แบนเนอร์แบรนด์จากเว็บเก่า (crossfade) ===== */
.hbanner{display:block;position:relative;overflow:hidden;aspect-ratio:1920/660;background:#0e1420}
.hb-slide{position:absolute;inset:0;opacity:0;transition:opacity 1s ease}
.hb-slide.on{opacity:1}
.hb-slide img{width:100%;height:100%;object-fit:cover;display:block;animation:hbKen 12s ease-in-out infinite alternate}
.hb-dots{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:3}
.hb-dots span{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.45);transition:.25s}
.hb-dots span.on{background:#fff;width:26px;border-radius:6px}
@keyframes hbKen{from{transform:scale(1)}to{transform:scale(1.05)}}

/* ===== ข่าวสารล่าสุดบนหน้าแรก ===== */
.hnews{background:var(--soft)}
.hnews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.hn{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:.22s}
.hn:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(0,0,0,.10)}
.hn .img{display:block;height:180px;background-size:cover;background-position:center;background-color:#e9e9ee;position:relative}
.hn .nbadge{position:absolute;top:12px;left:12px;font-family:'Kanit';font-weight:500;font-size:11px;color:#fff;padding:3px 11px;border-radius:20px;background:var(--red)}
.hn .nbadge.promo{background:#F5A700}
.hn .nbadge.article{background:#00834E}
.hn .body{display:block;padding:16px 18px 18px}
.hn b{font-family:'Kanit';font-weight:600;font-size:15.5px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--text)}
.hn .date{display:block;color:var(--muted);font-size:12.5px;margin-top:10px}

@media(max-width:900px){.hero-grid,.dealer .wrap{grid-template-columns:1fr}.hero-right{order:-1}.hero-art{min-height:320px}.feat-grid{grid-template-columns:1fr}.prod-grid{grid-template-columns:repeat(2,1fr)}.hcats-grid{grid-template-columns:repeat(3,1fr)}.hnews-grid{grid-template-columns:1fr}.hfind-box{grid-template-columns:1fr;padding:30px 22px}}
@media(max-width:560px){.hfind-picks{grid-template-columns:1fr}.prod-grid{grid-template-columns:1fr}.hcats-grid{grid-template-columns:repeat(2,1fr)}.hbanner{aspect-ratio:auto;min-height:150px}.hb-slide img{object-fit:contain}}
@media(prefers-reduced-motion:reduce){
  .hero-copy .eyebrow,.hero-copy h1,.hero-copy .lead,.hero-copy .btns,.hero-right{opacity:1;animation:none}
  .hero-copy.swap h1,.hero-copy.swap .lead{animation:none;opacity:1}
  .hero-art img,.hero-glow,.hb-slide img{animation:none}
  .hm-track{animation:none}
}

/* ป้ายสรุปใต้คำโปรยบนแบนเนอร์หน้าแรก — ชนิดน้ำมัน · มาตรฐาน · ขนาดบรรจุ */
.hero-chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 26px}
.hero-chips span{font-family:'Signs','Chakra Petch';font-weight:600;font-size:11.5px;letter-spacing:.6px;text-transform:uppercase;
  color:#4a4b55;background:var(--soft);border:1px solid var(--line);border-radius:20px;padding:6px 13px;white-space:nowrap}
.hero-chips span:first-child{background:var(--text);border-color:var(--text);color:#fff}
@media(max-width:560px){.hero-chips span{font-size:10.5px;padding:5px 10px}}

/* การ์ดสินค้าในแถบวิ่ง */
.hm-card{display:inline-flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:10px 18px 10px 12px;transition:.2s;flex:none}
.hm-card:hover{border-color:var(--c,var(--red));box-shadow:0 12px 26px -16px rgba(0,0,0,.45);transform:translateY(-2px)}
.hm-card .im{width:46px;height:56px;flex:none;display:flex;align-items:center;justify-content:center}
.hm-card .im img{max-width:100%;max-height:100%;object-fit:contain;filter:drop-shadow(0 3px 6px rgba(0,0,0,.18))}
.hm-card .tx{display:flex;flex-direction:column;line-height:1.25}
.hm-card b{font-family:'Signs','Chakra Petch';font-weight:700;font-size:14.5px;letter-spacing:.3px;color:var(--text);white-space:nowrap}
.hm-card i{font-family:'Signs','Chakra Petch';font-style:normal;font-weight:700;font-size:13px;color:var(--c,var(--red));white-space:nowrap}
@media(max-width:560px){
  .hm-card{padding:8px 14px 8px 10px;gap:9px}
  .hm-card .im{width:36px;height:44px}
  .hm-card b{font-size:13px}.hm-card i{font-size:11.5px}
}