/* Trang web Công ty TNHH Ngọc Lợi – tông xanh/đỏ logo */
:root{
  --blue:#374EA2; --blue-d:#263A86; --blue-dd:#1A2A66; --red:#DA2128; --red-d:#B5161D;
  --ink:#161A2D; --muted:#5A6178; --line:#E1E4EE; --bg:#FFFFFF; --soft:#F3F5FA; --stone:#8E939C;
  --f-d:"Saira Condensed","Arial Narrow",sans-serif; --f-b:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-b);font-size:16px;line-height:1.6;-webkit-text-size-adjust:100%}
img{max-width:100%;display:block}
a{color:inherit}
button{font:inherit;color:inherit;cursor:pointer}
[hidden]{display:none!important}
.i{width:20px;height:20px;flex:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
:focus-visible{outline:3px solid var(--red);outline-offset:2px}

/* header */
.hd{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);transition:box-shadow .2s}
.hd.sh{box-shadow:0 6px 24px rgba(22,26,45,.10)}
.hd::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:linear-gradient(90deg,var(--red) 0 30%,#fff 30% 30.6%,var(--blue) 30.6%)}
.hd-in{max-width:1180px;margin:0 auto;padding:12px 20px 10px;display:flex;align-items:center;gap:22px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex:none}
.logo img{height:40px;width:auto}
.logo-w{display:block;height:22px;aspect-ratio:551/120;background:var(--blue);-webkit-mask:url("/img/wordmark-mask.png") center/contain no-repeat;mask:url("/img/wordmark-mask.png") center/contain no-repeat}
.logo-w.light{background:#fff;height:28px}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{padding:8px 14px;border-radius:9px;text-decoration:none;font-weight:600;color:var(--ink)}
.nav a:hover{background:var(--soft);color:var(--blue)}
.hd-call{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;background:var(--red);color:#fff;text-decoration:none;font-weight:700;white-space:nowrap}
.hd-call:hover{background:var(--red-d)}
.nav-btn{display:none;border:0;background:var(--soft);width:42px;height:42px;border-radius:10px;place-items:center;margin-left:auto}
@media (max-width:860px){
  .nav-btn{display:grid}
  .hd-call span{display:none}.hd-call{padding:10px;border-radius:50%}
  .nav{position:absolute;left:0;right:0;top:100%;flex-direction:column;background:#fff;padding:8px 14px 14px;border-bottom:1px solid var(--line);box-shadow:0 14px 24px rgba(22,26,45,.12);display:none;margin:0}
  .nav.open{display:flex}
  .nav a{padding:12px}
  .hd-in{gap:12px}
}

/* hero */
.hero{position:relative;min-height:min(78vh,720px);display:flex;align-items:center;color:#fff;overflow:hidden;background:var(--blue-dd)}
.hero-bg{position:absolute;inset:0}
.slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transform:scale(1.06);transition:opacity 1.2s ease,transform 7s ease}
.slide.on{opacity:1;transform:scale(1)}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(26,42,102,.92) 0%,rgba(38,58,134,.72) 42%,rgba(38,58,134,.15) 75%,rgba(0,0,0,0) 100%)}
.hero::before{content:"";position:absolute;z-index:1;right:-120px;bottom:-140px;width:420px;height:420px;background:var(--red);transform:rotate(45deg);border-radius:40px;opacity:.9}
.hero-in{position:relative;z-index:2;max-width:1180px;width:100%;margin:0 auto;padding:70px 20px}
.kicker{margin:0 0 10px;font-family:var(--f-d);font-weight:600;letter-spacing:.2em;text-transform:uppercase;font-size:15px;opacity:.9}
.hero h1{margin:0;font-family:var(--f-d);font-weight:700;font-size:clamp(40px,7vw,78px);line-height:1;letter-spacing:.01em;max-width:13ch;text-wrap:balance}
.lead{max-width:56ch;font-size:clamp(16px,2vw,19px);margin:18px 0 0;opacity:.95}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 22px;border-radius:12px;text-decoration:none;font-weight:700;border:2px solid transparent;transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-1px)}
.btn.red{background:var(--red);color:#fff}.btn.red:hover{background:var(--red-d)}
.btn.white{background:#fff;color:var(--blue-d)}
.btn.blue{background:var(--blue);color:#fff;margin-top:10px}.btn.blue:hover{background:var(--blue-d)}
.dots{position:absolute;z-index:3;left:50%;bottom:22px;transform:translateX(-50%);display:flex;gap:8px}
.dots button{width:10px;height:10px;border-radius:99px;border:0;background:rgba(255,255,255,.5);padding:0}
.dots button.on{width:28px;background:#fff}

/* strip */
.strip{background:var(--blue-d);color:#fff}
.strip-in{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0}
.strip-in>div{display:flex;flex-direction:column;gap:2px;padding:22px 18px 22px 56px;position:relative;border-left:1px solid rgba(255,255,255,.12)}
.strip-in>div:first-child{border-left:0}
.strip .tick{position:absolute;left:16px;top:22px;width:30px;height:30px;border-radius:50%;background:var(--red);display:grid;place-items:center}
.strip .tick .i{width:16px;height:16px}
.strip b{font-size:15.5px}
.strip small{font-size:13px;opacity:.8}
@media (max-width:860px){.strip-in{grid-template-columns:repeat(2,minmax(0,1fr))}.strip-in>div:nth-child(3){border-left:0}.strip-in>div{border-top:1px solid rgba(255,255,255,.12)}}
@media (max-width:480px){.strip-in{grid-template-columns:minmax(0,1fr)}.strip-in>div{border-left:0}}

/* sections */
.sec{padding:84px 0}
.eyebrow{margin:0 0 8px;font-family:var(--f-d);font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--red);font-size:14px;display:flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:28px;height:3px;background:var(--red)}
.eyebrow.light{color:#fff}.eyebrow.light::before{background:#fff}
h2{margin:0 0 14px;font-family:var(--f-d);font-weight:700;font-size:clamp(30px,4.4vw,46px);line-height:1.05;color:var(--blue-d);text-wrap:balance}
.sec-h{max-width:640px;margin-bottom:34px}
.sec-h p{color:var(--muted);margin:0}
.about-in{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:56px;align-items:center}
@media (max-width:900px){.about-in{grid-template-columns:minmax(0,1fr);gap:34px}}
.about-lead{font-size:18px;font-weight:600;color:var(--ink)}
.about-tx p{color:var(--muted)}
.about-img{position:relative}
.mosaic{display:grid;gap:12px;border-radius:20px;overflow:hidden}
.mosaic img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;border-radius:14px}
.mosaic.n2{grid-template-columns:1fr 1fr}.mosaic.n2 img{aspect-ratio:3/4}
.mosaic.n3{grid-template-columns:1.3fr 1fr;grid-template-rows:1fr 1fr}.mosaic.n3 img:first-child{grid-row:span 2;aspect-ratio:auto}
.badge-box{position:absolute;left:-18px;bottom:-22px;background:var(--red);color:#fff;border-radius:16px;padding:16px 20px;box-shadow:0 14px 30px rgba(218,33,40,.35);display:flex;flex-direction:column;line-height:1.15}
.badge-box b{font-family:var(--f-d);font-size:40px}
.badge-box span{font-size:13px;font-weight:600}
@media (max-width:900px){.badge-box{left:12px}}

/* products */
.products{background:var(--soft)}
.pgrid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.pcard{display:flex;flex-direction:column;text-align:left;padding:0;border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden;transition:transform .18s,box-shadow .18s}
.pcard:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(22,26,45,.12)}
.pimg{position:relative;display:block;aspect-ratio:4/3;overflow:hidden;background:#C9CED8}
.pimg img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.pcard:hover .pimg img{transform:scale(1.05)}
.pimg em,.cimg em{position:absolute;right:10px;bottom:10px;font-style:normal;font-size:12px;font-weight:700;background:rgba(22,26,45,.75);color:#fff;padding:3px 9px;border-radius:99px}
.pbody{display:flex;flex-direction:column;gap:6px;padding:16px 18px 18px;border-top:4px solid var(--blue);flex:1}
.pbody b{font-family:var(--f-d);font-size:26px;line-height:1.05;color:var(--blue-d);text-transform:uppercase}
.size{display:inline-block;align-self:flex-start;font-size:13px;font-weight:700;color:var(--red);background:#FDECEC;padding:2px 10px;border-radius:99px}
.uses{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.more{margin-top:auto;padding-top:6px;display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--blue);font-size:14px}
.more .i{width:16px;height:16px}

/* projects */
.cgrid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.ccard{position:relative;padding:0;border:0;border-radius:18px;overflow:hidden;background:#222;text-align:left;aspect-ratio:4/3;color:#fff}
.cimg,.cimg img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s}
.ccard:hover .cimg img{transform:scale(1.06)}
.ccard::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 40%,rgba(16,24,58,.9))}
.cbody{position:absolute;z-index:1;left:0;right:0;bottom:0;padding:18px;display:flex;flex-direction:column;gap:2px}
.cbody small{align-self:flex-start;font-size:12px;font-weight:700;background:var(--red);padding:2px 9px;border-radius:99px;margin-bottom:4px}
.cbody b{font-size:19px;line-height:1.25}
.cbody span{font-size:13.5px;opacity:.85}

/* contact */
.contact{background:linear-gradient(120deg,var(--blue-dd),var(--blue) 70%);color:#fff;position:relative;overflow:hidden}
.contact::before{content:"";position:absolute;left:-160px;top:-160px;width:380px;height:380px;background:var(--red);transform:rotate(45deg);border-radius:40px;opacity:.85}
.contact-in{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:40px;align-items:stretch}
@media (max-width:900px){.contact-in{grid-template-columns:minmax(0,1fr)}}
.contact h2{color:#fff}
.ct-box>p{opacity:.9}
.ct-list{list-style:none;margin:22px 0 0;padding:0;display:flex;flex-direction:column;gap:12px}
.ct-list li{display:flex;gap:12px;align-items:flex-start;background:rgba(255,255,255,.08);border-radius:12px;padding:12px 14px}
.ct-list .i{margin-top:2px}
.ct-list small{display:block;font-size:12px;opacity:.75;text-transform:uppercase;letter-spacing:.08em}
.ct-list a{color:#fff;font-weight:600}
.ct-map{min-height:360px;border-radius:18px;overflow:hidden;background:#fff;box-shadow:0 20px 40px rgba(0,0,0,.25)}
.ct-map iframe{width:100%;height:100%;min-height:360px;border:0;display:block}
.map-ph{height:100%;min-height:360px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:var(--blue-d);text-align:center;padding:20px;background:repeating-linear-gradient(45deg,#F3F5FA 0 14px,#fff 14px 28px)}
.map-ph img{height:64px;width:auto}
.map-ph b{font-family:var(--f-d);font-size:24px}
.map-ph span{color:var(--muted)}

/* footer */
.ft{background:var(--blue-dd);color:rgba(255,255,255,.85);padding:40px 0 0}
.ft-in{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px}
.ft-in p{max-width:44ch;font-size:14px;margin:12px 0 0;opacity:.85}
.ft-links{display:flex;flex-wrap:wrap;gap:6px 20px;align-items:flex-start}
.ft-links a{text-decoration:none;font-weight:600;font-size:14.5px}
.ft-links a:hover{color:#fff;text-decoration:underline}
.ft-bot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;margin-top:30px;padding:16px 20px 22px;border-top:1px solid rgba(255,255,255,.12);font-size:13px}
.credit{font-family:var(--f-d);font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:#fff;border-left:3px solid var(--red);padding-left:8px}

/* nút nổi gọi điện / zalo */
.float{position:fixed;right:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:60;display:flex;flex-direction:column;gap:10px}
.fl{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;text-decoration:none;color:#fff;font-weight:800;font-size:13px;box-shadow:0 10px 24px rgba(0,0,0,.25)}
.fl.call{background:var(--red);animation:pulse 2s infinite}
.fl.zalo{background:#0068FF}
.fl .i{width:24px;height:24px}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(218,33,40,.55)}70%{box-shadow:0 0 0 16px rgba(218,33,40,0)}100%{box-shadow:0 0 0 0 rgba(218,33,40,0)}}

/* hộp chi tiết */
.modal{position:fixed;inset:0;z-index:80;background:rgba(10,14,30,.7);display:flex;align-items:center;justify-content:center;padding:16px}
.m-box{position:relative;background:#fff;border-radius:20px;max-width:980px;width:100%;max-height:calc(100vh - 32px);overflow:auto;box-shadow:0 30px 60px rgba(0,0,0,.4)}
.m-x{position:absolute;right:12px;top:12px;z-index:2;width:42px;height:42px;border-radius:50%;border:0;background:rgba(255,255,255,.95);font-size:28px;line-height:1;box-shadow:0 4px 12px rgba(0,0,0,.2)}
.m-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr)}
@media (max-width:760px){.m-grid{grid-template-columns:minmax(0,1fr)}}
.gal{background:#111;display:flex;flex-direction:column}
.gal-main{position:relative;aspect-ratio:4/3;background:#111}
.gal-main img{width:100%;height:100%;object-fit:contain}
.gal-nav{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;border:0;background:rgba(255,255,255,.9);font-size:22px}
.gal-nav.prev{left:10px}.gal-nav.next{right:10px}
.thumbs{display:flex;gap:6px;padding:8px;overflow-x:auto}
.thumbs button{flex:none;width:64px;height:48px;padding:0;border:2px solid transparent;border-radius:6px;overflow:hidden;background:#333}
.thumbs button.on{border-color:var(--red)}
.thumbs img{width:100%;height:100%;object-fit:cover}
.m-info{padding:26px 26px 24px;display:flex;flex-direction:column;gap:12px}
.m-info h3{margin:0;font-family:var(--f-d);font-size:36px;line-height:1.05;color:var(--blue-d)}
.m-info dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:6px 14px}
.m-info dt{font-weight:700;color:var(--muted);font-size:14px}
.m-info dd{margin:0}
.m-info p{margin:0;color:var(--muted);white-space:pre-line}
.m-info .cta{margin-top:auto;padding-top:8px}
@media (prefers-reduced-motion: reduce){*{transition:none!important;animation:none!important}html{scroll-behavior:auto}}
@media (max-width:860px){.hd-call{margin-left:auto}.nav-btn{margin-left:0}}
@media (max-width:640px){
  .hero::before{width:200px;height:200px;right:-110px;bottom:-90px}
  .hero{min-height:auto}.hero-in{padding:56px 20px 64px}
  .sec{padding:60px 0}
  .pgrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .pbody{padding:12px}.pbody b{font-size:21px}.uses{display:none}.size{font-size:11.5px}
  .strip-in>div{padding:16px 14px 16px 52px}.strip .tick{top:16px}
}