/* ============ Phi Anh Group — Design System v2 ============ */
:root{
  --navy:#0F2C59; --navy-800:#0a2145; --navy-900:#071630;
  --cyan:#00AEEF; --cyan-600:#0091ca; --cyan-050:#e7f6fd;
  --ink:#15273d; --slate:#5c6b7d; --slate-2:#7a8a9b;
  --line:#e3eaf1; --line-2:#d3deea; --paper:#f5f8fb; --paper-2:#eaf1f8; --white:#fff;
  --maxw:1180px; --r:10px; --r-sm:6px;
  --sh:0 1px 2px rgba(15,44,89,.05),0 8px 24px -12px rgba(15,44,89,.18);
  --sh-lg:0 20px 50px -24px rgba(15,44,89,.4);
  --fdisp:'Montserrat',system-ui,sans-serif; --fbody:'Open Sans',system-ui,sans-serif; --fmono:'Roboto Mono',ui-monospace,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--fbody);color:var(--ink);background:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--cyan-600)}
picture{display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
h1,h2,h3,h4{font-family:var(--fdisp);color:var(--navy);line-height:1.15;margin:0}

/* ---- signature: dimension-line eyebrow ---- */
.eyebrow{display:flex;align-items:center;gap:.65rem;font:500 .72rem/1 var(--fmono);letter-spacing:.2em;text-transform:uppercase;color:var(--cyan-600);margin:0 0 .95rem}
.eyebrow .measure{position:relative;width:36px;height:1px;background:var(--cyan);flex:none}
.eyebrow .measure::before,.eyebrow .measure::after{content:"";position:absolute;top:-3px;width:1px;height:7px;background:var(--cyan)}
.eyebrow .measure::before{left:0}.eyebrow .measure::after{right:0}
.eyebrow-light{color:#8ad9f6}
.eyebrow-light .measure,.eyebrow-light .measure::before,.eyebrow-light .measure::after{background:#8ad9f6}

/* ---- spec tag ---- */
.tag{display:inline-block;font:500 .67rem/1.7 var(--fmono);letter-spacing:.06em;text-transform:uppercase;color:var(--navy);border:1px solid var(--line-2);border-radius:4px;padding:.12rem .5rem;background:#fff}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:.45rem;font:700 .93rem/1 var(--fdisp);padding:.85rem 1.45rem;border-radius:8px;text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:background .15s,border-color .15s,color .15s,transform .15s}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--cyan);color:#04283c}
.btn-primary:hover{background:var(--cyan-600);color:#fff}
.btn-outline{border-color:var(--line-2);color:var(--navy);background:#fff}
.btn-outline:hover{border-color:var(--cyan);color:var(--cyan-600)}
.btn-ghost-light{border-color:rgba(255,255,255,.45);color:#fff;background:transparent}
.btn-ghost-light:hover{background:rgba(255,255,255,.12)}

/* ---- header ---- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.93);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;gap:1rem;height:66px}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none}
.brand-mark{border-radius:7px;flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-text b{font:800 1.02rem/1 var(--fdisp);color:var(--navy);letter-spacing:.02em}
.brand-text i{font-style:normal;font-size:.62rem;color:var(--slate);margin-top:3px;letter-spacing:.01em}
.site-nav{margin-left:auto}
.site-nav ul{display:flex;gap:.15rem;list-style:none;margin:0;padding:0}
.site-nav a{display:block;padding:.5rem .8rem;color:var(--ink);text-decoration:none;font-weight:600;font-size:.92rem;border-radius:6px;white-space:nowrap}
.site-nav a:hover,.site-nav a[aria-current]{color:var(--cyan-600)}
.header-cta{display:inline-flex;align-items:center;padding:.55rem 1.1rem;background:var(--navy);color:#fff;border-radius:8px;text-decoration:none;font:700 .88rem/1 var(--fdisp)}
.header-cta:hover{background:var(--cyan-600)}
.nav-toggle{display:none;flex-direction:column;gap:5px;width:44px;height:44px;align-items:center;justify-content:center;background:none;border:1px solid var(--line);border-radius:8px;margin-left:auto}
.nav-toggle span{width:20px;height:2px;background:var(--navy);border-radius:2px;transition:.2s}

/* ---- hero ---- */
.hero{position:relative;background:linear-gradient(150deg,var(--navy) 0%,var(--navy-900) 100%);color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:40px 40px;mask-image:radial-gradient(120% 90% at 80% 0,#000,transparent 70%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:32px;padding:48px 20px 56px}
.hero-title{font-size:clamp(1.9rem,6vw,3.15rem);font-weight:800;color:#fff;letter-spacing:-.01em}
.hero-title .hl{color:var(--cyan)}
.hero-sub{color:#c6d5e6;font-size:1.05rem;max-width:34em;margin:1rem 0 0}
.hero-actions{display:flex;flex-wrap:wrap;gap:.7rem;margin:1.6rem 0 0}
.hero-tags{display:flex;flex-wrap:wrap;gap:.4rem;margin:1.6rem 0 0}
.hero-media{position:relative}
.hero-img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r)}
.hero-frame{position:absolute;inset:12px -12px -12px 12px;border:1.5px solid var(--cyan);border-radius:var(--r);z-index:-0;pointer-events:none;opacity:.55}
.hero-media{isolation:isolate}
.hero-img{position:relative;z-index:1}

/* ---- sections ---- */
.section{padding:64px 0}
.section-alt{background:var(--paper)}
.section-title{font-size:clamp(1.5rem,3.6vw,2.15rem);font-weight:800}
.section-head{margin-bottom:2rem;max-width:52em}
.section-sub{color:var(--slate);margin:.6rem 0 0;font-size:1.02rem}
.section-foot{margin-top:2rem}

/* values */
.vgrid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:1.6rem}
.vcard{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--sh)}
.vcard .tag{margin-bottom:.7rem}
.vcard h3{font-size:1.12rem;margin:.2rem 0 .4rem}
.vcard p{color:var(--slate);margin:0;font-size:.96rem}

/* products */
.pgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .18s,transform .18s}
.pcard:hover{box-shadow:var(--sh-lg);transform:translateY(-3px)}
.pcard-media{background:var(--paper-2);aspect-ratio:1/1}
.pcard-media img{width:100%;height:100%;object-fit:cover}
.pcard-body{padding:14px 15px 16px;display:flex;flex-direction:column;gap:.3rem;flex:1}
.pcard-tags{display:flex;flex-wrap:wrap;gap:.3rem;margin-bottom:.2rem}
.pcard-name{font-size:1.02rem;font-weight:700}
.pcard-code{font:500 .74rem/1 var(--fmono);color:var(--slate-2);letter-spacing:.05em}
.pcard-cta{margin-top:auto;padding-top:.6rem;color:var(--cyan-600);font-weight:700;font-size:.86rem;text-decoration:none}
.pcard-cta:hover{color:var(--navy)}

/* categories */
.cgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.ccard{position:relative;border-radius:var(--r);overflow:hidden;text-decoration:none;color:#fff;display:block;aspect-ratio:4/3;box-shadow:var(--sh)}
.ccard-media,.ccard-media img{position:absolute;inset:0;width:100%;height:100%}
.ccard-media img{object-fit:cover;transition:transform .4s}
.ccard:hover .ccard-media img{transform:scale(1.05)}
.ccard-scrim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,22,48,.1),rgba(7,22,48,.85))}
.ccard-body{position:absolute;left:0;right:0;bottom:0;padding:16px}
.ccard-body h3{color:#fff;font-size:1.15rem}
.ccard-body p{margin:.2rem 0 0;color:#d6e2ee;font-size:.85rem}
.ccard-more{display:inline-block;margin-top:.5rem;font:500 .74rem/1 var(--fmono);letter-spacing:.06em;color:var(--cyan)}

/* split */
.split{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
.split-media{position:relative;isolation:isolate}
.split-img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r);position:relative;z-index:1}
.split-body{color:var(--slate);font-size:1.02rem;margin:.4rem 0 1.1rem}
.checks{list-style:none;padding:0;margin:0 0 1.4rem;display:grid;gap:.6rem}
.checks li{position:relative;padding-left:1.7rem;color:var(--ink)}
.checks li::before{content:"";position:absolute;left:0;top:.35em;width:12px;height:7px;border-left:2px solid var(--cyan);border-bottom:2px solid var(--cyan);transform:rotate(-45deg)}

/* stats */
.stats-band{background:var(--navy);color:#fff}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;padding:40px 20px}
.stat-n{font:800 1.6rem/1.1 var(--fdisp);color:#fff}
.stat-l{color:#9fb6cf;font-size:.9rem;margin-top:.35rem}

/* cta */
.cta-band{background:linear-gradient(120deg,var(--cyan-600),var(--navy));color:#fff}
.cta-in{display:flex;flex-direction:column;gap:1.2rem;padding:44px 20px;align-items:flex-start}
.cta-in h2{color:#fff;font-size:clamp(1.4rem,3.4vw,2rem)}
.cta-in p{margin:.5rem 0 0;color:#e3f1fa}
.cta-actions{display:flex;flex-wrap:wrap;gap:.7rem}

/* page hero (trang phụ) */
.pagehero{background:linear-gradient(150deg,var(--navy),var(--navy-900));color:#fff;padding:52px 0}
.pagehero-title{color:#fff;font-size:clamp(1.7rem,4.5vw,2.5rem);font-weight:800}
.pagehero-sub{color:#c6d5e6;margin:.7rem 0 0;max-width:46em}
.stub{background:var(--paper);border:1px dashed var(--line-2);border-radius:var(--r);padding:34px;text-align:center}
.stub p{color:var(--slate);margin:0 0 1.2rem}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr;gap:32px}
.contact-list{list-style:none;padding:0;margin:1rem 0 0;display:grid;gap:.8rem}
.contact-list li{display:grid;grid-template-columns:110px 1fr;gap:10px;padding-bottom:.8rem;border-bottom:1px solid var(--line)}
.contact-list span{color:var(--slate-2);font-size:.85rem;font-family:var(--fmono);text-transform:uppercase;letter-spacing:.05em}
.contact-list b{color:var(--ink);font-weight:600}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:var(--sh)}
.contact-form label{display:block;margin:0 0 .9rem;font-size:.9rem;font-weight:600;color:var(--ink)}
.contact-form input,.contact-form textarea{width:100%;margin-top:.35rem;padding:.7rem .85rem;border:1px solid var(--line-2);border-radius:8px;font:inherit;font-weight:400}
.contact-form input:focus,.contact-form textarea:focus{outline:2px solid var(--cyan);border-color:var(--cyan)}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.form-msg{margin:.6rem 0 0;font-size:.9rem;min-height:1.2em}
.form-msg.ok{color:#137a3f}.form-msg.err{color:#c0392b}

/* footer */
.site-footer{background:var(--navy-900);color:#c6d3e2}
.footer-grid{display:grid;grid-template-columns:1fr;gap:28px;padding:48px 20px 32px}
.footer-logo{width:170px;margin-bottom:12px}
.footer-brand p{color:#93a6bd;font-size:.92rem;max-width:26em}
.footer-col h4{color:#fff;font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;margin:0 0 .9rem}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:.55rem}
.footer-col a{color:#c6d3e2;text-decoration:none;font-size:.93rem}
.footer-col a:hover{color:var(--cyan)}
.footer-info li{color:#93a6bd;font-size:.9rem}
.footer-bar{border-top:1px solid rgba(255,255,255,.08);font-size:.82rem;color:#7e93ab}
.footer-bar .container{padding-top:16px;padding-bottom:20px}

/* ---- responsive ---- */
@media(max-width:860px){
  .nav-toggle{display:flex}
  .header-cta{display:none}
  .site-nav{position:absolute;top:66px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);margin:0;max-height:0;overflow:hidden;transition:max-height .25s ease}
  .site-nav.open{max-height:70vh}
  .site-nav ul{flex-direction:column;gap:0;padding:8px 20px 16px}
  .site-nav a{padding:.85rem .4rem;border-bottom:1px solid var(--line);font-size:1rem}
}
@media(min-width:720px){
  .vgrid{grid-template-columns:repeat(2,1fr)}
  .pgrid{grid-template-columns:repeat(3,1fr)}
  .cgrid{grid-template-columns:repeat(4,1fr)}
  .stats{grid-template-columns:repeat(4,1fr);padding:48px 20px}
  .contact-grid{grid-template-columns:1fr 1fr;gap:44px}
}
@media(min-width:900px){
  .section{padding:84px 0}
  .hero-grid{grid-template-columns:1.05fr .95fr;gap:44px;padding:76px 20px 84px;align-items:center}
  .vgrid{grid-template-columns:repeat(4,1fr)}
  .split{grid-template-columns:1fr 1fr;gap:48px}
  .split-rev .split-copy{order:2}
  .cta-in{flex-direction:row;justify-content:space-between;align-items:center;padding:52px 20px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}

/* ===== khối bổ sung (v2.1) ===== */
/* trust strip */
.trust{background:var(--navy-900);color:#fff;padding:26px 0}
.trust-grid{display:grid;grid-template-columns:1fr;gap:18px}
.trust-item{display:flex;gap:.8rem;align-items:flex-start}
.trust-check{flex:none;width:22px;height:22px;border-radius:50%;background:rgba(0,174,239,.15);position:relative;margin-top:2px}
.trust-check::after{content:"";position:absolute;left:7px;top:4px;width:6px;height:11px;border-right:2px solid var(--cyan);border-bottom:2px solid var(--cyan);transform:rotate(40deg)}
.trust-item b{color:#fff;font-family:var(--fdisp);font-weight:700;font-size:.98rem}
.trust-item p{margin:.2rem 0 0;color:#9fb6cf;font-size:.86rem}
/* quote (humanized) */
.quote{margin:1.3rem 0 0;padding:1rem 1.3rem;border-left:3px solid var(--cyan);background:var(--paper);border-radius:0 8px 8px 0;font-style:italic;color:var(--ink);font-size:1.05rem}
.quote cite{display:block;margin-top:.6rem;font-style:normal;font-size:.85rem;color:var(--slate-2);font-family:var(--fmono)}
/* projects */
.prjgrid{display:grid;grid-template-columns:1fr;gap:18px}
.prj{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh);transition:box-shadow .18s,transform .18s}
.prj:hover{box-shadow:var(--sh-lg);transform:translateY(-3px)}
.prj-media{position:relative;aspect-ratio:4/3}
.prj-media img{width:100%;height:100%;object-fit:cover}
.prj-media .ccard-scrim{background:linear-gradient(180deg,rgba(7,22,48,0),rgba(7,22,48,.55))}
.prj-tag{position:absolute;left:12px;top:12px;z-index:2;font:500 .64rem/1.6 var(--fmono);letter-spacing:.08em;text-transform:uppercase;color:#04283c;background:var(--cyan);border-radius:4px;padding:.15rem .55rem}
.prj-body{padding:16px 17px 18px}
.prj-body h3{font-size:1.08rem;margin:0 0 .35rem}
.prj-body p{margin:0;color:var(--slate);font-size:.93rem}
/* process steps */
.stepgrid{display:grid;grid-template-columns:1fr;gap:16px;counter-reset:step}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px 20px}
.step-n{display:inline-block;font:800 1.1rem/1 var(--fmono);color:var(--cyan-600);background:var(--cyan-050);border-radius:7px;padding:.4rem .6rem;margin-bottom:.7rem}
.step h3{font-size:1.05rem;margin:0 0 .3rem}
.step p{margin:0;color:var(--slate);font-size:.92rem}
/* footer nâng cấp */
.footer-top{display:grid;grid-template-columns:1fr;gap:30px;padding:52px 20px 34px}
.nl{margin-top:18px}
.nl label{display:block;font-size:.82rem;color:#c6d3e2;margin-bottom:.5rem;font-weight:600}
.nl-row{display:flex;gap:8px;flex-wrap:wrap}
.nl-row input{flex:1;min-width:180px;padding:.7rem .85rem;border:1px solid rgba(255,255,255,.2);border-radius:8px;background:rgba(255,255,255,.06);color:#fff;font:inherit}
.nl-row input::placeholder{color:#8aa0b8}
.nl-row input:focus{outline:2px solid var(--cyan);border-color:var(--cyan)}
.nl-msg{margin:.5rem 0 0;font-size:.82rem;min-height:1em}
.nl-msg.ok{color:#7fe0a6}.nl-msg.err{color:#ff9b9b}
@media(min-width:720px){
  .trust-grid{grid-template-columns:repeat(2,1fr);gap:22px 32px}
  .prjgrid{grid-template-columns:repeat(3,1fr)}
  .stepgrid{grid-template-columns:repeat(4,1fr)}
}
@media(min-width:900px){
  .trust-grid{grid-template-columns:repeat(4,1fr)}
  .footer-top{grid-template-columns:1.6fr 1fr 1.2fr 1.4fr;gap:40px}
}

/* ===== B2–B3: sản phẩm / blog / tuyển dụng ===== */
.pcard-name a{color:var(--navy);text-decoration:none}
.pcard-name a:hover{color:var(--cyan-600)}
/* breadcrumb */
.crumbs{background:var(--paper);border-bottom:1px solid var(--line);font-size:.85rem}
.crumbs .container{padding-top:12px;padding-bottom:12px;display:flex;flex-wrap:wrap;gap:.4rem;align-items:center}
.crumbs a{color:var(--slate);text-decoration:none}.crumbs a:hover{color:var(--cyan-600)}
.crumbs span{color:var(--slate-2)}.crumbs .cur{color:var(--navy);font-weight:600}
/* filter chips */
.chips{display:flex;flex-wrap:wrap;gap:.5rem;margin:0 0 1.6rem}
.chip{padding:.5rem 1rem;border:1px solid var(--line-2);border-radius:30px;text-decoration:none;color:var(--ink);font-weight:600;font-size:.88rem;background:#fff}
.chip:hover{border-color:var(--cyan)}
.chip.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.cat-desc{color:var(--slate);max-width:60em;margin:0 0 1.4rem;font-size:1.02rem}
.cat-article{max-width:64em;color:var(--ink);font-size:1.04rem;line-height:1.75}
.cat-article h2{font:800 1.5rem/1.25 var(--fdisp);color:var(--navy);margin:0 0 .8rem}
.cat-article h3{font:800 1.05rem/1.3 var(--fdisp);color:var(--navy);margin:1.4rem 0 .5rem}
.cat-article p{margin:0 0 1rem}
.cat-article ul{margin:0 0 1rem;padding-left:1.2rem}
.cat-article li{margin:.3rem 0}
.cat-article b{color:var(--navy)}
.pgrid-lg{grid-template-columns:repeat(2,1fr)}
/* product detail */
.pd{display:grid;grid-template-columns:1fr;gap:28px;align-items:start}
.pd-media{position:relative;isolation:isolate;background:var(--paper-2);border-radius:var(--r)}
.pd-img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:var(--r);position:relative;z-index:1}
.pd-name{font-size:clamp(1.5rem,4vw,2.1rem);font-weight:800;margin:.5rem 0 .3rem}
.pd-code{font-family:var(--fmono);color:var(--slate-2);font-size:.9rem;margin-bottom:1rem}
.pd-desc{color:var(--slate);font-size:1.02rem}
.spec{width:100%;border-collapse:collapse;margin:1.2rem 0 1.6rem;font-size:.95rem}
.spec th,.spec td{text-align:left;padding:.7rem .9rem;border:1px solid var(--line)}
.spec th{background:var(--paper);color:var(--slate);font-weight:600;width:40%;font-family:var(--fmono);font-size:.82rem;text-transform:uppercase;letter-spacing:.04em}
.pd-actions{display:flex;flex-wrap:wrap;gap:.7rem}
.rel{margin-top:44px}.rel .section-title{font-size:1.4rem;margin-bottom:1.2rem}
/* blog */
.bloggrid{display:grid;grid-template-columns:1fr;gap:20px}
.bcard{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;color:inherit;box-shadow:var(--sh);transition:box-shadow .18s,transform .18s;display:block}
.bcard:hover{box-shadow:var(--sh-lg);transform:translateY(-3px)}
.bcard-media{aspect-ratio:16/9}.bcard-media img{width:100%;height:100%;object-fit:cover}
.bcard-body{padding:16px 18px 20px}.bcard-body h3{font-size:1.12rem;margin:0 0 .4rem}
.bcard-body p{color:var(--slate);font-size:.93rem;margin:0 0 .6rem}
.bcard-more{color:var(--cyan-600);font-weight:700;font-size:.86rem}
.post{max-width:760px}
.post-title{font:800 2rem/1.2 var(--fdisp);color:var(--navy);margin:0 0 .4rem}
.post-meta{color:var(--slate);font:500 .9rem/1 var(--fmono);margin:0 0 1.4rem}
.post-cover{border-radius:var(--r);overflow:hidden;margin-bottom:1.6rem}
.post-body{font-size:1.05rem;color:var(--ink);line-height:1.75}
.post-body p{margin:0 0 1.1rem}.post-body b{color:var(--navy)}
.post-body h2{font:800 1.4rem/1.3 var(--fdisp);color:var(--navy);margin:1.8rem 0 .7rem}
.post-body h3{font:800 1.08rem/1.3 var(--fdisp);color:var(--navy);margin:1.3rem 0 .5rem}
.post-body ul{margin:0 0 1.1rem;padding-left:1.2rem}
.post-body li{margin:.35rem 0}
.post-body a{color:var(--cyan-ink,#0a7ea4);font-weight:600;text-decoration:underline;text-underline-offset:2px}
.post-body table{width:100%;border-collapse:collapse;margin:0 0 1.2rem;font-size:.98rem}
.post-body th,.post-body td{border:1px solid var(--line,#dbe3ee);padding:.5rem .7rem;text-align:left}
.post-body th{background:var(--wash,#f2f6fb);color:var(--navy);font-weight:700}
/* careers */
.careers .lead{font-size:1.1rem;color:var(--ink);max-width:52em}
.joblist{display:grid;grid-template-columns:1fr;gap:14px;margin:1.6rem 0}
.job{background:#fff;border:1px solid var(--line);border-left:3px solid var(--cyan);border-radius:8px;padding:18px 20px}
.job h3{font-size:1.08rem;margin:0 0 .3rem}.job p{margin:0;color:var(--slate);font-size:.95rem}
@media(min-width:720px){
  .pgrid-lg{grid-template-columns:repeat(3,1fr)}
  .pd{grid-template-columns:1fr 1fr;gap:44px}
  .bloggrid{grid-template-columns:repeat(3,1fr)}
  .joblist{grid-template-columns:repeat(3,1fr)}
}
@media(min-width:900px){ .pgrid-lg{grid-template-columns:repeat(4,1fr)} }

/* ===== Zalo OA + nút nhỏ ===== */
.btn-sm{padding:.5rem .9rem;font-size:.82rem}
.zalo-oa{display:flex;gap:16px;align-items:center;margin-top:20px;padding:16px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r)}
.zalo-oa img{border-radius:8px;border:1px solid var(--line-2);background:#fff;flex:none}
.zalo-oa b{color:var(--navy);font-family:var(--fdisp);font-size:.98rem}
.zalo-oa p{margin:.3rem 0 .7rem;color:var(--slate);font-size:.88rem}

/* ===== FINAL: RFQ, FAB, gallery, faq, search, reveal ===== */
/* thẻ SP: chân thẻ 2 nút */
.pcard-foot{margin-top:auto;padding-top:.7rem;display:flex;align-items:center;justify-content:space-between;gap:.5rem}
.pcard-cta{color:var(--cyan-600);font-weight:700;font-size:.86rem;text-decoration:none}
.pcard-cta:hover{color:var(--navy)}
.pcard-add{border:1px solid var(--cyan);background:var(--cyan-050);color:var(--cyan-600);font-weight:700;font-size:.8rem;padding:.35rem .6rem;border-radius:7px;cursor:pointer;white-space:nowrap}
.pcard-add:hover{background:var(--cyan);color:#fff}
/* tìm kiếm */
.prod-searchbar{margin:0 0 1rem}
.prod-search{width:100%;max-width:520px;padding:.8rem 1rem;border:1px solid var(--line-2);border-radius:10px;font:inherit}
.prod-search:focus{outline:2px solid var(--cyan);border-color:var(--cyan)}
/* gallery chi tiết SP */
.pd-thumbs{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.pd-thumb{width:66px;height:66px;border:1px solid var(--line-2);border-radius:8px;overflow:hidden;padding:0;background:#fff;cursor:pointer}
.pd-thumb img{width:100%;height:100%;object-fit:cover}
.pd-thumb.on{border-color:var(--cyan);box-shadow:0 0 0 2px var(--cyan-050)}
/* gallery xưởng */
.galgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.gal-item{margin:0;border-radius:var(--r);overflow:hidden;position:relative;background:var(--paper-2);box-shadow:var(--sh)}
.gal-item img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}
.gal-item figcaption{position:absolute;left:0;right:0;bottom:0;padding:10px 12px;font-size:.82rem;color:#fff;background:linear-gradient(180deg,transparent,rgba(7,22,48,.8))}
/* FAQ */
.faq{max-width:820px}
.faq-item{border:1px solid var(--line);border-radius:10px;margin-bottom:10px;background:#fff;overflow:hidden}
.faq-item summary{cursor:pointer;padding:16px 18px;font-weight:700;color:var(--navy);font-family:var(--fdisp);list-style:none;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:18px;color:var(--cyan-600);font-weight:700}
.faq-item[open] summary::after{content:"–"}
.faq-a{padding:0 18px 16px;color:var(--slate)}
/* RFQ page */
.rfq-list{display:grid;gap:12px;margin-bottom:24px}
.rfq-item{display:grid;grid-template-columns:1fr auto auto auto;gap:12px;align-items:end;background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px}
.rfq-it-name b{display:block;color:var(--navy)}.rfq-it-name span{font-family:var(--fmono);font-size:.78rem;color:var(--slate-2)}
.rfq-qty,.rfq-thick{font-size:.75rem;color:var(--slate);display:flex;flex-direction:column;gap:3px}
.rfq-qty input{width:70px}.rfq-thick input{width:150px}
.rfq-del{align-self:center;border:0;background:#fee2e2;color:#b91c1c;width:34px;height:34px;border-radius:8px;cursor:pointer;font-weight:700}
.rfq-form{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:22px;max-width:640px}
.rfq-form .section-title{font-size:1.2rem;margin-bottom:1rem}
.rfq-form label{display:block;font-size:.85rem;font-weight:600;margin-bottom:.8rem}
.rfq-form input,.rfq-form textarea{width:100%;margin-top:.3rem;padding:.7rem .85rem;border:1px solid var(--line-2);border-radius:8px;font:inherit;font-weight:400}
.rfq-form input:focus,.rfq-form textarea:focus{outline:2px solid var(--cyan);border-color:var(--cyan)}
.rfq-done{text-align:center;padding:30px;background:var(--paper);border-radius:var(--r)}
.hidden{display:none!important}
/* nút nổi (desktop) — icon + nhãn rõ ràng */
.fab{position:fixed;right:18px;bottom:22px;z-index:60;display:flex;flex-direction:column;gap:12px;align-items:flex-end}
.fab-btn{display:inline-flex;align-items:center;gap:.5rem;height:50px;padding:0 18px 0 15px;border-radius:28px;text-decoration:none;font:800 .88rem/1 var(--fdisp);color:#fff;box-shadow:var(--sh-lg);position:relative;transition:transform .15s,filter .15s;white-space:nowrap}
.fab-ic{width:23px;height:23px;flex:none}
.fab-zalo{background:#0068ff}.fab-call{background:#16a34a}.fab-rfq{background:var(--navy)}
.fab-btn:hover{filter:brightness(1.08);transform:translateY(-1px)}
.fab-badge{position:absolute;top:-6px;right:-4px;background:var(--cyan);color:#04283c;border-radius:20px;min-width:21px;height:21px;font-size:.72rem;font-weight:800;display:flex;align-items:center;justify-content:center;padding:0 5px;border:2px solid #fff}
/* thanh sticky mobile */
.mbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:60;background:#fff;border-top:1px solid var(--line);padding:8px;gap:8px;box-shadow:0 -4px 20px -10px rgba(15,44,89,.4)}
.mbar-b{flex:1;text-align:center;padding:.7rem;border-radius:8px;text-decoration:none;font-weight:700;font-size:.9rem;color:var(--navy);border:1px solid var(--line-2);position:relative}
.mbar-b.primary{background:var(--cyan);color:#04283c;border-color:var(--cyan);flex:1.4}
.mbar-badge{position:absolute;top:-6px;right:6px;background:var(--navy);color:#fff;border-radius:20px;min-width:18px;height:18px;font-size:.68rem;display:inline-flex;align-items:center;justify-content:center;padding:0 4px}
/* toast */
.toast{position:fixed;left:50%;bottom:86px;transform:translateX(-50%) translateY(20px);background:var(--navy);color:#fff;padding:12px 18px;border-radius:10px;font-size:.9rem;box-shadow:var(--sh-lg);opacity:0;pointer-events:none;transition:.25s;z-index:70;max-width:90vw}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
/* reveal */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease}
.reveal.in{opacity:1;transform:none}
@media(max-width:860px){
  .mbar{display:flex}
  .fab{display:none}
  body{padding-bottom:64px}
}
@media(min-width:720px){ .galgrid{grid-template-columns:repeat(3,1fr)} }

/* ===== Catalogue + tìm-thêm trong giỏ RFQ ===== */
.prod-searchbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin:0 0 1.1rem}
.prod-searchbar .prod-search{flex:1;min-width:220px;margin:0;max-width:none}
.btn-catalog{white-space:nowrap}
.rfq-add{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;margin-bottom:24px}
.rfq-add-l{display:block;font-family:var(--fdisp);font-weight:700;color:var(--navy);margin-bottom:8px}
.rfq-add .prod-search{width:100%;max-width:none}
.rfq-results{margin-top:10px;display:grid;gap:6px}
.rfq-res{display:flex;align-items:center;gap:10px;width:100%;text-align:left;border:1px solid var(--line-2);background:#fff;border-radius:8px;padding:9px 12px;cursor:pointer;font:inherit}
.rfq-res:hover{border-color:var(--cyan);background:var(--cyan-050)}
.rfq-res b{color:var(--navy);flex:1;font-weight:600}
.rfq-res span{font-family:var(--fmono);font-size:.76rem;color:var(--slate-2)}
.rfq-res i{font-style:normal;color:var(--cyan-600);font-weight:700;font-size:.82rem}