/* ============================================================
   TUYỂN BẢO VỆ — Giao diện xanh dương chuyên nghiệp
   Đổi màu chủ đạo: sửa các biến --blue-* bên dưới
   ============================================================ */
:root{
  --blue-900:#0A2540;
  --blue-800:#0E3A66;
  --blue-700:#11528C;
  --blue-600:#1565C0;
  --blue-500:#2680D9;
  --blue-400:#4DA3F0;
  --blue-100:#E8F1FC;
  --blue-50:#F4F9FE;
  --ink:#0E1B2A;
  --text:#33425B;
  --muted:#6B7A90;
  --line:#E1E8F0;
  --white:#fff;
  --ok:#1E8E5A;
  --grad:linear-gradient(135deg,#0E3A66 0%,#1565C0 100%);
  --shadow:0 12px 34px rgba(14,58,102,.10);
  --shadow-sm:0 4px 14px rgba(14,58,102,.07);
  --r:16px;--r-sm:11px;--maxw:1140px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Be Vietnam Pro",system-ui,Arial,sans-serif;color:var(--text);
  background:var(--white);line-height:1.65;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{color:var(--ink);line-height:1.22;margin:0;font-weight:800;letter-spacing:-.01em}
p{margin:0}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
.mono{font-family:"JetBrains Mono",monospace}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.section{padding:72px 0}
.section--blue{background:var(--blue-50)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  letter-spacing:.12em;text-transform:uppercase;color:var(--blue-600);margin-bottom:12px}
.h2{font-size:clamp(27px,3.6vw,40px);margin-bottom:14px}
.lead{color:var(--muted);font-size:17px;max-width:62ch}
.center{text-align:center}.center .lead{margin:0 auto}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:inherit;font-weight:700;font-size:15px;
  padding:14px 26px;border-radius:var(--r-sm);border:2px solid transparent;cursor:pointer;
  transition:transform .12s,box-shadow .15s,background .15s,border-color .15s}
.btn:active{transform:translateY(1px)}
.btn svg{width:18px;height:18px;flex:none}
.btn-primary{background:var(--blue-600);color:#fff;box-shadow:0 8px 22px rgba(21,101,192,.32)}
.btn-primary:hover{background:var(--blue-700)}
.btn-light{background:#fff;color:var(--blue-700);border-color:#fff}
.btn-light:hover{background:var(--blue-50)}
.btn-ghost{background:transparent;color:var(--blue-700);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--blue-600);color:var(--blue-600)}
.btn-ghost-light{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost-light:hover{background:rgba(255,255,255,.16)}

/* topbar */
.topbar{background:var(--blue-900);color:#cfe0f5;font-size:13.5px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:40px}
.topbar a{color:#fff;font-weight:600}
.topbar .tb-r{display:flex;gap:18px;align-items:center}
.topbar svg{width:15px;height:15px;vertical-align:-2px;margin-right:5px}

/* header */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);
  backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .2s}
header.scrolled{box-shadow:0 6px 24px rgba(14,58,102,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--ink);font-size:19px}
.brand .mark{width:38px;height:38px;border-radius:10px;background:var(--grad);color:#fff;display:grid;place-items:center}
.brand .mark svg{width:22px;height:22px}
.brand small{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.04em;margin-top:-2px}
.nav-links{display:flex;gap:28px}
.nav-links a{font-weight:600;color:var(--text);font-size:15px}
.nav-links a:hover{color:var(--blue-600)}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-cta .btn{padding:11px 18px;font-size:14px}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:9px;width:44px;height:44px;cursor:pointer}
.burger svg{width:22px;height:22px;color:var(--ink)}
.mobile-menu{display:none;background:#fff;border-top:1px solid var(--line);padding:12px 22px}
.mobile-menu a{display:block;padding:12px 0;font-weight:600;color:var(--text);border-bottom:1px solid var(--line)}
.mobile-menu a:last-child{border:none}
.mobile-menu.open{display:block}

/* hero */
.hero{position:relative;background:var(--blue-900);color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.32}
.hero-bg.ph{background:
  radial-gradient(900px 400px at 80% -10%,rgba(38,128,217,.45),transparent),
  linear-gradient(135deg,#0A2540,#11528C)}
.hero-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,37,64,.92) 0%,rgba(10,37,64,.7) 55%,rgba(10,37,64,.4) 100%)}
/* hero slider 3 ảnh */
.hero-slider{position:absolute;inset:0;z-index:0;overflow:hidden}
.hero-track{display:flex;width:300%;height:100%;transition:transform .9s cubic-bezier(.65,0,.2,1)}
.hero-slide{width:33.3333%;height:100%;position:relative}
.hero-slide img{width:100%;height:100%;object-fit:cover}
.hero-slide.s1{background:linear-gradient(135deg,#0A2540,#11528C)}
.hero-slide.s2{background:linear-gradient(135deg,#0E3A66,#1565C0)}
.hero-slide.s3{background:linear-gradient(135deg,#0A2540,#2680D9)}
.hero-ph-label{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);text-align:center;color:rgba(255,255,255,.6)}
.hero-ph-label svg{width:38px;height:38px;opacity:.7}
.hero-ph-label span{display:block;font-size:13px;font-weight:600;margin-top:6px}
.hero-overlay{position:absolute;inset:0;z-index:1;
  background:linear-gradient(90deg,rgba(8,24,46,.60) 0%,rgba(8,24,46,.24) 30%,rgba(8,24,46,0) 58%)}
.hero-dots{position:absolute;z-index:2;bottom:20px;left:0;right:0;display:flex;gap:8px;justify-content:center}
.hero-dots b{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.45);cursor:pointer;transition:width .25s,background .25s}
.hero-dots b.on{background:#fff;width:24px;border-radius:6px}

/* ===== Banner sạch: chỉ hiện ảnh, full, sáng, không phủ ===== */
.banner{position:relative;width:100%;overflow:hidden;background:var(--blue-900);line-height:0}
.banner-track{display:flex;width:300%;transition:transform .8s cubic-bezier(.65,0,.2,1)}
.banner-slide{width:33.3333%;flex:none}
.banner-slide img{width:100%;height:auto;display:block}
.banner-slide.ph{aspect-ratio:1920/540;display:flex;align-items:center;justify-content:center;line-height:1.5}
.banner-slide.ph.s1{background:linear-gradient(135deg,#0A2540,#11528C)}
.banner-slide.ph.s2{background:linear-gradient(135deg,#0E3A66,#1565C0)}
.banner-slide.ph.s3{background:linear-gradient(135deg,#0A2540,#2680D9)}
.banner-ph{color:rgba(255,255,255,.78);text-align:center;padding:20px}
.banner-ph svg{width:40px;height:40px;opacity:.85}
.banner-ph span{display:block;font-size:14px;font-weight:600;margin-top:8px}
.banner-ph small{font-size:12px;opacity:.8}
.banner-dots{position:absolute;bottom:16px;left:0;right:0;display:flex;gap:8px;justify-content:center;z-index:2}
.banner-dots b{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.6);cursor:pointer;box-shadow:0 1px 5px rgba(0,0,0,.35);transition:width .25s,background .25s}
.banner-dots b.on{background:#fff;width:26px;border-radius:6px}

/* ===== Khối thông tin tuyển dụng (ngay dưới banner) ===== */
.hero-info{background:var(--blue-50);border-bottom:1px solid var(--line)}
.hero-info-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:center;padding:56px 0}
.hero-info .eyebrow{color:var(--blue-600)}
.hero-info h1{font-size:clamp(27px,3.8vw,42px);color:var(--ink);margin:6px 0 16px;line-height:1.18}
.hero-info h1 .u{color:var(--blue-600)}
.hero-info .lead{color:var(--muted);font-size:17px}
.hero-info .hero-cta{display:flex;gap:13px;flex-wrap:wrap;margin:24px 0 20px}
.hero-info .hero-chips{display:flex;gap:10px;flex-wrap:wrap}
.hero-info .hero-chips span{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;font-weight:600;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 15px;color:var(--text)}
.hero-info .hero-chips svg{width:16px;height:16px;color:var(--ok)}
@media(max-width:900px){.hero-info-grid{grid-template-columns:1fr;gap:28px;padding:40px 0}}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.18fr .82fr;gap:48px;
  align-items:center;padding:74px 0 90px}
.hero .eyebrow{color:#9fd0ff;text-shadow:0 1px 10px rgba(4,14,30,.7)}
.hero h1{font-size:clamp(32px,5vw,52px);color:#fff;margin:6px 0 18px;text-shadow:0 2px 24px rgba(4,14,30,.75),0 1px 3px rgba(4,14,30,.6)}
.hero h1 .u{color:#7fc0ff}
.hero .lead{color:#eaf2fb;font-size:18px;text-shadow:0 1px 16px rgba(4,14,30,.7),0 1px 2px rgba(4,14,30,.6)}
.hero-cta{display:flex;gap:13px;flex-wrap:wrap;margin:26px 0 22px}
.hero-chips{display:flex;gap:10px;flex-wrap:wrap}
.hero-chips span{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;font-weight:600;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:8px 15px;color:#eaf2fb}
.hero-chips svg{width:16px;height:16px;color:#7fc0ff}

/* hero info card */
.jobcard{background:#fff;color:var(--text);border-radius:var(--r);box-shadow:0 24px 60px rgba(4,18,38,.4);overflow:hidden}
.jobcard .jc-head{background:var(--grad);color:#fff;padding:17px 20px;display:flex;justify-content:space-between;align-items:center}
.jobcard .jc-head .t{font-weight:800;font-size:16px}
.jobcard .jc-head .live{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:700;background:rgba(255,255,255,.18);padding:5px 11px;border-radius:999px}
.jobcard .jc-head .dot{width:8px;height:8px;border-radius:50%;background:#7CF0B0;box-shadow:0 0 0 4px rgba(124,240,176,.25)}
.jobcard .jc-body{padding:8px 20px}
.jc-row{display:flex;justify-content:space-between;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}
.jc-row:last-child{border:none}
.jc-row .k{color:var(--muted);font-size:14px}
.jc-row .v{font-weight:700;color:var(--ink)}
.jc-row .v.big{color:var(--blue-600);font-size:19px}
.jc-foot{padding:16px 20px;background:var(--blue-50)}
.jc-foot .btn{width:100%;justify-content:center}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);
  margin-top:40px;position:relative;z-index:5;background-clip:padding-box}
.stat{background:#fff;padding:26px 22px;text-align:center}
.stat .n{font-size:32px;font-weight:800;color:var(--blue-600);letter-spacing:-.02em}
.stat .l{font-size:13.5px;color:var(--muted);margin-top:2px}

/* split (about) */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split .imgwrap{border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
.checklist{display:flex;flex-direction:column;gap:14px;margin-top:18px}
.checklist .ci{display:flex;gap:12px;align-items:flex-start}
.checklist .tick{flex:none;width:26px;height:26px;border-radius:50%;background:#E3F1E9;color:var(--ok);display:grid;place-items:center;margin-top:2px}
.checklist .tick svg{width:15px;height:15px}
.checklist b{color:var(--ink);font-weight:600;display:block}
.checklist span{color:var(--muted);font-size:14px}

/* cards grid */
.grid{display:grid;gap:18px}
.cols-2{grid-template-columns:repeat(2,1fr)}
.cols-3{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--shadow-sm);transition:transform .15s,box-shadow .15s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.card .ic{width:48px;height:48px;border-radius:13px;background:var(--blue-100);color:var(--blue-600);display:grid;place-items:center;margin-bottom:15px}
.card .ic svg{width:24px;height:24px}
.card h3{font-size:18px;margin-bottom:7px}
.card p{color:var(--muted);font-size:14.5px}

/* salary band */
.salary{display:flex;flex-wrap:wrap;align-items:center;gap:20px;background:var(--grad);color:#fff;
  border-radius:var(--r);padding:26px 30px;margin-bottom:26px;box-shadow:var(--shadow)}
.salary .lab{font-size:14px;color:#bcd6f3}
.salary .amt{font-size:clamp(26px,4vw,40px);font-weight:800}
.salary .note{margin-left:auto;font-size:14px;color:#cfe0f5;max-width:32ch}

/* gallery / image upload slots */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gallery .g{aspect-ratio:4/3;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow-sm);background:var(--blue-50)}
.gallery .g img{width:100%;height:100%;object-fit:cover}
.ph-img{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px;
  border:2px dashed var(--blue-400);border-radius:var(--r);background:var(--blue-50);color:var(--blue-600);text-align:center;padding:14px}
.ph-img svg{width:34px;height:34px;opacity:.85}
.ph-img span{font-size:13px;font-weight:600;color:var(--blue-700)}
.ph-img small{font-size:11.5px;color:var(--muted)}

/* provinces */
.note-line{display:flex;gap:11px;align-items:flex-start;background:var(--blue-100);border:1px solid #c9def7;
  border-radius:var(--r-sm);padding:14px 18px;color:var(--blue-800);font-size:14px;margin-bottom:24px}
.note-line svg{width:18px;height:18px;flex:none;color:var(--blue-600);margin-top:2px}
.prov-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.prov{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px;display:flex;flex-direction:column;gap:9px;
  box-shadow:var(--shadow-sm);transition:transform .15s,border-color .15s}
.prov:hover{transform:translateY(-3px);border-color:var(--blue-400)}
.prov .pn{font-weight:800;color:var(--ink);font-size:17px;display:flex;align-items:center;gap:8px}
.prov .pn svg{width:18px;height:18px;color:var(--blue-600)}
.prov .pm{font-size:13.5px;color:var(--muted)}
.prov .pa{margin-top:auto;font-weight:700;color:var(--blue-600);font-size:14px;display:inline-flex;align-items:center;gap:6px;
  background:none;border:none;padding:0;cursor:pointer;font-family:inherit}
.prov .pa svg{width:15px;height:15px}

/* faq */
.faq{max-width:840px;margin:0 auto}
.qa{border:1px solid var(--line);border-radius:var(--r-sm);margin-bottom:13px;background:#fff;overflow:hidden;box-shadow:var(--shadow-sm)}
.qa-q{width:100%;text-align:left;background:none;border:none;font-family:inherit;cursor:pointer;font-weight:700;
  color:var(--ink);font-size:16px;padding:19px 22px;display:flex;justify-content:space-between;gap:16px;align-items:center}
.qa-q .chev{flex:none;width:22px;height:22px;color:var(--blue-600);transition:transform .2s}
.qa.open .qa-q .chev{transform:rotate(180deg)}
.qa-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.qa-a p{padding:0 22px 19px;color:var(--muted);font-size:15px}

/* form */
.apply-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:stretch}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
.form-top{background:var(--grad);color:#fff;padding:20px 26px}
.form-top h3{color:#fff;font-size:19px}
.form-top p{color:#cfe0f5;font-size:14px;margin-top:3px}
.form-body{padding:26px}
.field{margin-bottom:17px}
.field label{display:block;font-weight:600;color:var(--ink);font-size:14px;margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;font-family:inherit;font-size:15px;color:var(--ink);
  padding:13px 15px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;outline:none;transition:border-color .15s,box-shadow .15s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue-500);box-shadow:0 0 0 3px rgba(38,128,217,.15)}
.field textarea{resize:vertical;min-height:90px}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);margin-bottom:18px}
.consent input{margin-top:3px}
.form-card .btn{width:100%;justify-content:center;font-size:16px}
.note-err{background:#FDECEA;color:#B23A2E;border:1px solid #f4c4bd;border-radius:var(--r-sm);padding:11px 14px;font-size:14px;margin-bottom:16px}
.note-ok{background:#E7F5EE;color:#16794D;border:1px solid #bfe4cf;border-radius:var(--r-sm);padding:11px 14px;font-size:14px;margin-bottom:16px}
.err{color:#B23A2E;font-size:13px;margin-top:6px;display:none}
.field.invalid input,.field.invalid select{border-color:#B23A2E}
.field.invalid .err{display:block}
.aside-call{background:var(--blue-900);color:#fff;border-radius:var(--r);padding:30px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;justify-content:space-between;gap:24px}
.aside-feats{display:flex;flex-direction:column;gap:15px;border-top:1px solid rgba(255,255,255,.12);padding-top:22px}
.af{display:flex;gap:13px;align-items:flex-start}
.afi{flex:none;width:40px;height:40px;border-radius:11px;background:rgba(255,255,255,.10);color:#7fc0ff;display:grid;place-items:center}
.afi svg{width:20px;height:20px}
.af b{color:#fff;font-weight:600;display:block;font-size:15px}
.af span{color:#bcd6f3;font-size:13px}
.aside-call h3{color:#fff;font-size:20px;margin-bottom:8px}
.aside-call p{color:#bcd6f3;font-size:14.5px;margin-bottom:20px}
.call-big{display:flex;align-items:center;gap:12px;font-size:25px;font-weight:800;color:#fff;margin-bottom:14px}
.call-big svg{width:24px;height:24px;color:#7fc0ff}
.aside-call .zalo{display:inline-flex;align-items:center;gap:9px;background:#fff;color:var(--blue-700);font-weight:700;padding:13px 20px;border-radius:var(--r-sm)}
.aside-call .zalo svg{width:18px;height:18px;color:#0068FF}

/* footer */
footer{background:var(--blue-900);color:#a9c0db}
.foot{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:34px;padding:56px 0 34px}
.foot h4{color:#fff;font-size:16px;margin-bottom:14px}
.foot p,.foot a{color:#a9c0db;font-size:14.5px;display:block;margin-bottom:9px}
.foot a:hover{color:#fff}
.foot .brand{color:#fff;margin-bottom:14px}
.foot .brand small{color:#9bb4d2}
.foot-bar{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;text-align:center;color:#88a2c2;font-size:13px}

/* floats */
.floats{position:fixed;right:16px;bottom:18px;z-index:60;display:none;flex-direction:column;gap:12px}
.floats a{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.28)}
.floats svg{width:26px;height:26px;color:#fff}
.f-call{background:var(--ok)}.f-zalo{background:#0068FF}

@media(max-width:980px){
  .hero-inner,.apply-grid,.split{grid-template-columns:1fr;gap:30px}
  .stats{grid-template-columns:repeat(2,1fr);margin-top:30px}
  .cols-3,.gallery{grid-template-columns:repeat(2,1fr)}
  .prov-grid{grid-template-columns:repeat(2,1fr)}
  .foot{grid-template-columns:1fr;gap:26px}
}
@media(max-width:600px){
  .section{padding:50px 0}
  .nav-links,.nav-cta .btn-ghost,.topbar .tb-l{display:none}
  .burger{display:grid;place-items:center}
  .cols-2,.cols-3,.gallery,.stats,.prov-grid{grid-template-columns:1fr}
  .salary .note{margin-left:0}
  .floats{display:flex}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}