/* Trang chủ — theo bố cục trang chủ yamasu.com.vn */

/* 1. Banner chạy */
.slider{position:relative;background:linear-gradient(100deg,#6d0a06 0%,#a9120b 45%,#c8261a 100%);color:#fff;overflow:hidden}
.slider::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(135deg,rgba(255,255,255,.04) 0 2px,transparent 2px 22px);pointer-events:none}
.slides{position:relative;min-height:380px}
.slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .6s}
.slide.on{opacity:1;visibility:visible;position:relative}
.slide .wrap{display:grid;grid-template-columns:1.15fr .85fr;align-items:center;gap:30px;padding-top:34px;padding-bottom:40px;position:relative;z-index:1}
.slide .eb{display:inline-block;background:#fff;color:var(--red);font-weight:700;font-size:13px;text-transform:uppercase;padding:4px 12px;border-radius:3px;margin-bottom:14px}
.slide h2{font-size:clamp(26px,4vw,44px);line-height:1.15;font-weight:900;text-transform:uppercase;margin-bottom:12px;text-shadow:0 2px 12px rgba(0,0,0,.25)}
.slide p{max-width:500px;opacity:.92;margin-bottom:16px;font-size:15px}
.slide .row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.slide .off{background:#ffb400;color:#1a1300;font-weight:800;padding:7px 14px;border-radius:4px}
.slide .call{background:var(--black);color:#fff;font-weight:700;padding:7px 14px;border-radius:4px}
.slide .go{display:inline-block;border:2px solid #fff;padding:9px 20px;border-radius:4px;font-weight:700;text-transform:uppercase;font-size:14px}
.slide .go:hover{background:#fff;color:var(--red)}
.slide .pic{justify-self:center;width:min(330px,100%);aspect-ratio:1/1;background:#fff;border-radius:10px;padding:10px;box-shadow:0 18px 40px rgba(0,0,0,.35);transform:rotate(2deg)}
.slide .pic img{width:100%;height:100%;object-fit:contain}
.sl-nav{position:absolute;top:50%;transform:translateY(-50%);width:40px;height:40px;border-radius:50%;background:rgba(0,0,0,.3);color:#fff;font-size:26px;line-height:1;z-index:2}
.sl-nav:hover{background:rgba(0,0,0,.55)}
.sl-nav.prev{left:12px}.sl-nav.next{right:12px}
.dots{position:absolute;left:0;right:0;bottom:12px;display:flex;justify-content:center;gap:8px;z-index:2}
.dots button{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.45)}
.dots button[aria-current="true"]{background:#fff;width:26px;border-radius:5px}

/* 2. Ba banner khuyến mại */
.promos{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}
.promo{position:relative;display:flex;align-items:center;gap:10px;background:linear-gradient(120deg,#c8261a,#8a0e08);color:#fff;border-radius:4px;padding:16px;min-height:150px;overflow:hidden;transition:.2s}
.promo:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(169,18,11,.3)}
.promo div{display:flex;flex-direction:column;gap:6px;align-items:flex-start;flex:1;min-width:0;z-index:1}
.promo b{font-size:17px;text-transform:uppercase;line-height:1.2}
.promo .tag{background:#ffb400;color:#1a1300;font-weight:800;font-size:13px;padding:2px 8px;border-radius:3px}
.promo .ph{font-size:18px;font-weight:800;letter-spacing:.5px}
.promo .btn{height:auto;padding:5px 12px;font-size:12px;background:#fff;color:var(--red);border-radius:3px}
.promo img{width:42%;aspect-ratio:1/1;object-fit:contain;background:#fff;border-radius:6px;padding:4px;flex:none}

/* Tiêu đề căn giữa, gạch đỏ (như "Deal Nổi Bật") */
.h-center{text-align:center;font-size:24px;font-weight:500;color:#333;margin:34px 0 14px;position:relative;padding-bottom:12px}
.h-center::after{content:"";position:absolute;left:50%;bottom:0;width:60px;height:2px;background:var(--red);transform:translateX(-50%)}

/* 3. Deal nổi bật */
.dtabs{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.dtabs button{background:#eee;border-radius:999px;padding:6px 16px;font-size:13px;text-transform:uppercase;color:#333}
.dtabs button[aria-selected="true"]{background:var(--red);color:#fff}
.rail{position:relative}
.track{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 4*16px)/5);gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding:4px 2px 8px}
.track::-webkit-scrollbar{display:none}
.track .card{scroll-snap-align:start}
.rail-nav{position:absolute;top:35%;width:34px;height:34px;border-radius:50%;background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.2);font-size:22px;line-height:1;z-index:3;color:#333}
.rail-nav:hover{background:var(--red);color:#fff}
.rail-nav.prev{left:-14px}.rail-nav.next{right:-14px}

/* 4. Dải cam kết */
.commit{background:#f5f5f5;margin-top:34px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.commit .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding-top:22px;padding-bottom:22px}
.commit .wrap>div{display:flex;gap:12px;align-items:center;color:var(--red)}
.commit p{color:#555;font-size:13px;line-height:1.4}
.commit b{display:block;color:#222;font-size:14.5px;text-transform:uppercase}

/* 5. Khối sản phẩm theo loại */
.block{margin-top:34px}
.bhead{display:flex;justify-content:space-between;align-items:center;background:#f5f5f5;border-bottom:2px solid var(--red);margin-bottom:16px}
.bhead h2{background:var(--red);color:#fff;font-size:16px;font-weight:500;text-transform:uppercase;padding:9px 18px;position:relative}
.bhead h2::after{content:"";position:absolute;right:-14px;top:0;border-style:solid;border-width:0 0 40px 14px;border-color:transparent transparent var(--red) transparent}
.bhead .all{color:var(--red);padding-right:12px;font-size:13.5px}
.bhead .all:hover{text-decoration:underline}
.bbody{display:grid;grid-template-columns:1fr 240px;gap:18px;align-items:start}
.bside{display:grid;gap:14px}
.bbox{border:1px solid var(--red);border-radius:3px}
.bbox h3{background:var(--red);color:#fff;font-size:13.5px;text-transform:uppercase;text-align:center;padding:8px;font-weight:500}
.bbox ul{list-style:none;padding:6px 0}
.bbox a{display:flex;justify-content:space-between;padding:7px 12px;font-size:13.5px;color:#333}
.bbox a:hover,.bbox a.on{color:var(--red)}
.bbox a.on{font-weight:700;background:var(--red-soft)}
.bbox span{color:#999;font-size:12px}
.bhelp{background:linear-gradient(160deg,#191919,#3a0a07);color:#fff;border-radius:3px;padding:14px}
.bhelp b{font-size:15px;text-transform:uppercase}
.bhelp p{font-size:13px;opacity:.85;margin:6px 0 10px}
.bhelp a{display:block;background:var(--red);text-align:center;padding:8px;border-radius:3px;font-weight:700}

/* 6. Tin mới nhất */
.ngrid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.nimg{display:block;aspect-ratio:16/10;overflow:hidden;border-radius:3px;background:#eee}
.nimg img{width:100%;height:100%;object-fit:cover;transition:.3s}
.nitem:hover .nimg img{transform:scale(1.05)}
.nitem h3{font-size:14.5px;font-weight:700;line-height:1.35;margin:10px 0 4px}
.nitem h3 a:hover{color:var(--red)}
.nitem time{font-size:12px;color:#999}
.nitem p{font-size:13px;color:#555;margin-top:6px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

@media (max-width:1000px){
  .slide .wrap{grid-template-columns:1fr 200px}
  .promos{grid-template-columns:1fr 1fr}
  .promos .promo:nth-child(3){display:none}
  .track{grid-auto-columns:calc((100% - 2*16px)/3)}
  .commit .wrap{grid-template-columns:1fr 1fr}
  .bbody{grid-template-columns:1fr}
  .bside{grid-template-columns:1fr 1fr}
  .ngrid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .slides{min-height:0}
  .slide .wrap{grid-template-columns:1fr;padding-top:24px;padding-bottom:40px}
  .slide .pic{display:none}
  .sl-nav{display:none}
  .promos{grid-template-columns:1fr}
  .promos .promo:nth-child(3){display:flex}
  .track{grid-auto-columns:calc((100% - 10px)/2);gap:10px}
  .rail-nav{display:none}
  .commit .wrap{grid-template-columns:1fr}
  .bside{grid-template-columns:1fr}
  .bhead h2{font-size:13.5px;padding:8px 12px}
  .ngrid{grid-template-columns:1fr}
}

/* Chữ banner dễ đọc hơn: đậm vừa, dòng thoáng cho dấu tiếng Việt */
.slide h2{font-weight:700;line-height:1.3;letter-spacing:.3px;text-shadow:0 1px 3px rgba(0,0,0,.25);font-size:clamp(24px,3.4vw,40px)}
.slide .eb{letter-spacing:.4px}
.slide p{line-height:1.6;font-size:15.5px}
.slide .go,.slide .off,.slide .call{letter-spacing:.3px}
.promo b{font-weight:700;line-height:1.3;letter-spacing:.2px}
.promo .ph{font-weight:700;letter-spacing:.3px}
@media (max-width:1100px){.sl-nav{display:none}}

/* Slider nền trắng, chữ tối cho dễ đọc */
.slider{background:#fff;color:#222;border-bottom:1px solid var(--line)}
.slider::after{background:radial-gradient(circle at 85% 50%,rgba(169,18,11,.07),transparent 55%)}
.slide h2{color:#1a1a1a;text-shadow:none}

.slide .eb{background:var(--red);color:#fff}
.slide p{color:#444;opacity:1}
.slide .go{border-color:var(--red);color:var(--red)}
.slide .go:hover{background:var(--red);color:#fff}
.slide .pic{box-shadow:0 10px 30px rgba(0,0,0,.12);border:1px solid var(--line)}
.dots button{background:#ccc}
.dots button[aria-current="true"]{background:var(--red)}
.sl-nav{background:rgba(0,0,0,.08);color:#333}
.sl-nav:hover{background:var(--red);color:#fff}

/* Dải danh mục chính */
.cats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:20px}
.catcard{display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;border:1px solid var(--line);border-radius:4px;padding:16px 10px;color:var(--red);transition:.15s}
.catcard:hover{border-color:var(--red);box-shadow:0 4px 14px rgba(169,18,11,.12)}
.catcard b{color:#222;text-transform:uppercase;font-size:14px;font-weight:700}
.catcard span{color:#888;font-size:12.5px}
@media (max-width:640px){.cats{grid-template-columns:1fr 1fr}}
.cats{grid-template-columns:repeat(4,1fr)}
@media (max-width:640px){.cats{grid-template-columns:1fr 1fr}}
.catcard img{width:64px;height:64px;object-fit:contain}
.catcard svg{width:64px;height:40px;margin:12px 0}

/* Phần 2: đủ mọi loại máy bơm, tự chia cột theo số loại */
.promos{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.promos .promo:nth-child(3){display:flex}
.promo b{font-size:16px}
.promo .noimg{width:42%;aspect-ratio:1/1;flex:none;display:grid;place-items:center;font-size:44px;background:rgba(255,255,255,.12);border-radius:6px}
/* 5 loại bơm trên 1 hàng ở màn hình máy tính */
.promos{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.promo{flex-direction:column;align-items:stretch;min-height:0;padding:14px}
.promo div{align-items:flex-start}
.promo img,.promo .noimg{width:100%;max-width:130px;align-self:center;order:-1;margin-bottom:6px}
.promo .ph{font-size:15px}
.promos{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}
/* Banner phần 2: ảnh/tên/nút mở danh mục, dòng HOTLINE bấm để gọi */
.promo .pimg{display:flex;justify-content:center;order:-1;margin-bottom:6px}
.promo .pimg img,.promo .pimg .noimg{margin:0}
.promo .ph:hover{text-decoration:underline}
.promo b:hover{text-decoration:underline}

/* Video sản phẩm (video dọc 9:16) */
.vrail{position:relative}
.vtrack{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 4*14px)/5);gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding:4px 2px 8px}
.vtrack::-webkit-scrollbar{display:none}
.vcard{position:relative;aspect-ratio:9/16;border-radius:10px;overflow:hidden;background:#111;scroll-snap-align:start;box-shadow:0 4px 14px rgba(0,0,0,.15);transition:.2s;padding:0}
.vcard:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(0,0,0,.25)}
.vcard video,.vcard img{width:100%;height:100%;object-fit:cover;display:block}
.vcard .vplay{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:54px;height:54px;border-radius:50%;background:rgba(169,18,11,.88);color:#fff;display:grid;place-items:center;font-size:20px;padding-left:4px;box-shadow:0 0 0 6px rgba(255,255,255,.25);transition:.2s}
.vcard:hover .vplay{transform:translate(-50%,-50%) scale(1.1)}
.vcard .vt{position:absolute;left:0;right:0;bottom:0;padding:34px 12px 12px;background:linear-gradient(transparent,rgba(0,0,0,.8));color:#fff;font-weight:700;font-size:14px;line-height:1.35;text-align:left}
.vrail .rail-nav{top:45%}
.vbox{border:0;padding:0;background:transparent;max-width:none;max-height:none;overflow:visible}
.vbox::backdrop{background:rgba(0,0,0,.85)}
.vbox .vstage video{display:block;height:min(80vh,760px);width:auto;max-width:92vw;border-radius:10px;background:#000}
.vbox .vstage.yt iframe{display:block;width:min(92vw,960px);aspect-ratio:16/9;border:0;border-radius:10px}
.vbox .vclose{position:absolute;top:-44px;right:0;width:36px;height:36px;border-radius:50%;background:#fff;color:#111;font-size:16px}
.vbox .vcap{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:10px;color:#fff}
.vbox .vcap b{font-size:15px}
.vbox .vcap .btn{height:auto;padding:8px 14px;background:var(--red);color:#fff;border-radius:4px;font-size:13px}
@media (max-width:1000px){.vtrack{grid-auto-columns:calc((100% - 2*14px)/3)}}
@media (max-width:640px){.vtrack{grid-auto-columns:calc((100% - 10px)/2.2);gap:10px}.vrail .rail-nav{display:none}.vbox .vstage video{height:auto;width:92vw;max-height:78vh}}
.vbox{margin:auto;position:fixed;inset:0;width:fit-content;height:fit-content}

/* Phần 2: trình chiếu ảnh giới thiệu công ty */
.company{position:relative;margin-top:20px}
.cstage{position:relative;aspect-ratio:16/7;border-radius:6px;overflow:hidden;background:#111;box-shadow:0 6px 20px rgba(0,0,0,.12)}
.cslide{position:absolute;inset:0;margin:0;opacity:0;transition:opacity .7s;visibility:hidden}
.cslide.on{opacity:1;visibility:visible}
.cslide img{width:100%;height:100%;object-fit:cover;display:block}
.cslide figcaption{position:absolute;left:0;right:0;bottom:0;padding:48px 28px 22px;background:linear-gradient(transparent,rgba(0,0,0,.78));color:#fff;display:flex;flex-direction:column;gap:4px}
.cslide figcaption b{font-size:clamp(18px,2.4vw,28px);text-transform:uppercase;font-weight:700;letter-spacing:.3px}
.cslide figcaption b::before{content:"";display:inline-block;width:5px;height:.9em;background:var(--red);margin-right:10px;vertical-align:-2px}
.cslide figcaption span{font-size:15px;opacity:.9;max-width:760px}
.cnav{position:absolute;top:calc((100% - 86px)/2);transform:translateY(-50%);width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.85);color:#222;font-size:26px;line-height:1;z-index:2;box-shadow:0 2px 8px rgba(0,0,0,.25)}
.cnav:hover{background:var(--red);color:#fff}
.cnav.prev{left:14px}.cnav.next{right:14px}
.cthumbs{display:flex;gap:8px;margin-top:10px;overflow-x:auto;scrollbar-width:thin;padding-bottom:4px}
.cthumbs button{flex:none;width:110px;aspect-ratio:16/10;border-radius:4px;overflow:hidden;opacity:.55;border:2px solid transparent;padding:0;transition:.2s}
.cthumbs button[aria-current="true"]{opacity:1;border-color:var(--red)}
.cthumbs button:hover{opacity:1}
.cthumbs img{width:100%;height:100%;object-fit:cover;display:block}
@media (max-width:640px){.cstage{aspect-ratio:4/3}.cslide figcaption{padding:30px 14px 12px}.cslide figcaption span{font-size:13px}.cnav{width:36px;height:36px;font-size:20px}.cthumbs button{width:80px}}
.company .h-center{margin-top:14px}
.cbox{position:relative}
.cnav{top:50%}
/* Tab nhóm của "Quy mô công ty" */
.ctabs{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.ctabs button{background:#eee;border-radius:999px;padding:7px 16px;font-size:13.5px;font-weight:500;text-transform:uppercase;color:#333}
.ctabs button:hover{background:#e0e0e0}
.ctabs button[aria-selected="true"]{background:var(--red);color:#fff}
/* Ảnh dọc/ngang hiện trọn vẹn, nền mờ phía sau */
.cslide::before{content:"";position:absolute;inset:-30px;background:var(--bg) center/cover;filter:blur(24px) brightness(.55);z-index:0}
.cslide img{position:relative;z-index:1;object-fit:contain}
.cslide figcaption{z-index:2}
.cslide.empty{background:linear-gradient(135deg,#2a2a2a,#555)}
.cempty{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:#fff;text-align:center}
.cempty b{font-size:clamp(20px,2.6vw,30px);text-transform:uppercase}
.cempty span{opacity:.75}
@media (max-width:640px){.ctabs{flex-wrap:nowrap;overflow-x:auto;justify-content:flex-start;scrollbar-width:none}.ctabs button{flex:none;font-size:12.5px}}

/* Quy mô doanh nghiệp: banner rộng hết màn hình, ảnh phủ kín khung */
.company{max-width:none;padding-left:0;padding-right:0}
.company .h-center,.company .ctabs{padding-left:16px;padding-right:16px}
.company .cbox{width:100%}
.company .cstage{aspect-ratio:auto;height:clamp(300px,42vw,620px);border-radius:0;box-shadow:none}
.cslide::before{display:none}
.cslide img{object-fit:cover;object-position:center 40%}
.company .cthumbs{max-width:1200px;margin:10px auto 0;padding:0 16px 4px}
.company .cnav.prev{left:max(14px,calc((100vw - 1200px)/2))}
.company .cnav.next{right:max(14px,calc((100vw - 1200px)/2))}
.cslide figcaption{padding-left:max(28px,calc((100vw - 1200px)/2 + 16px));padding-right:max(28px,calc((100vw - 1200px)/2 + 16px))}
@media (max-width:640px){.company .cstage{height:62vw}}
.company .cstage{height:clamp(340px,50vw,720px)}
.cslide img{object-position:var(--pos,center 55%)}
.cslide figcaption{padding-top:30px;padding-bottom:14px}
.cslide figcaption b{font-size:clamp(16px,2vw,24px)}
.cslide figcaption span{font-size:14px}
@media (max-width:640px){.company .cstage{height:70vw}}
/* Danh mục sản phẩm: danh mục chưa có hàng */
.deal .rail[hidden]{display:none}
.dsoon{display:flex;flex-direction:column;align-items:center;gap:6px;padding:40px 20px;border:1px dashed var(--red);border-radius:6px;background:#fffafa;text-align:center;color:#555}
.dsoon[hidden]{display:none}
.dsoon b{color:var(--red);font-size:18px;text-transform:uppercase}
.dsoon a{color:var(--red);font-weight:700}
/* Tab danh mục con: chữ đậm, dễ nhìn */
.dtabs button{font-weight:700;font-size:14px;color:#111;background:#e9e9e9;border:1px solid #d6d6d6;padding:8px 18px}
.dtabs button:hover{border-color:var(--red);color:var(--red)}
.dtabs button[aria-selected="true"]{color:#fff;border-color:var(--red)}
.dtabs .dn{font-weight:800;color:var(--red)}
.dtabs button[aria-selected="true"] .dn{color:#fff}
@media (max-width:640px){.dtabs button{font-size:12.5px;padding:7px 12px}}
/* Banner: tiêu đề "Sản phẩm bán chạy" + nhãn trên ảnh */
.sl-title{position:relative;z-index:2;text-align:center;margin:22px 16px -6px;font-size:clamp(20px,2.6vw,28px);font-weight:900;text-transform:uppercase;letter-spacing:1px;color:var(--red)}
.sl-title span{display:inline-block;padding:0 18px 8px;border-bottom:3px solid var(--red)}
.slide .pic{position:relative}
.slide .pic .hot{position:absolute;top:10px;left:-10px;z-index:1;background:#ffb400;color:#1a1300;font-weight:900;font-size:13px;text-transform:uppercase;padding:5px 12px;border-radius:3px;box-shadow:0 3px 8px rgba(0,0,0,.2);transform:rotate(-2deg)}
@media (max-width:640px){.sl-title{margin-top:16px}}
/* Thanh tiêu đề khu sản phẩm: góc chéo luôn cao bằng thanh đỏ (không lệch, không hở) */
.bhead h2::after{top:0;bottom:0;right:-18px;width:19px;height:auto;border:0;background:var(--red);clip-path:polygon(0 0,0 100%,100% 100%)}
/* Thanh tiêu đề khu sản phẩm: 1 màu đỏ liền, chữ trắng đậm, nút "Xem tất cả" viền trắng */
.bhead{background:var(--red);border:0;border-radius:6px;padding:0 14px 0 0;min-height:50px;box-shadow:0 3px 10px rgba(169,18,11,.18)}
.bhead h2{background:none;font-size:18px;font-weight:800;letter-spacing:.6px;padding:13px 20px;display:flex;align-items:center;gap:10px}
.bhead h2::before{content:"";width:4px;height:20px;background:#fff;border-radius:2px;flex:none}
.bhead h2::after{content:none}
.bhead .all{color:#fff;font-size:13.5px;font-weight:700;padding:6px 14px;border:1.5px solid rgba(255,255,255,.8);border-radius:999px;white-space:nowrap;transition:.15s}
.bhead .all:hover{background:#fff;color:var(--red);text-decoration:none}
@media (max-width:640px){.bhead{min-height:42px;padding-right:8px}.bhead h2{font-size:14px;padding:10px 12px;gap:8px}.bhead h2::before{height:16px}.bhead .all{font-size:12px;padding:4px 10px}}