/* Trang mẫu / nhóm / thư viện (SEO) — dùng chung cho hai site CONEKMini */
:root{--brand:#1d4ed8;--brand-2:#0ea5e9;--navy:#0c1f3f;--ink:#13213d;--ink-2:#3a4560;--muted:#6b7590;--line:#e3e8f2;--bg:#f5f7fb;--card:#fff;--gold:#e9b321;
  --serif:"Noto Serif",Georgia,serif;--sans:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.6;font-size:16px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
svg.lucide{width:1em;height:1em;flex:none}
.wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 20px}
.btn{white-space:nowrap;display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:12px;background:var(--brand);color:#fff;font-weight:600;font-size:15px;line-height:1.2;box-shadow:0 8px 20px -10px rgba(29,78,216,.7);transition:transform .15s,background .15s}
.btn:hover{background:#1a44c2;transform:translateY(-1px)}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:none}
.btn.ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn.sm{padding:9px 16px;font-size:14px}
/* header */
.top{position:sticky;top:0;z-index:20;background:rgba(12,31,63,.96);backdrop-filter:blur(8px);color:#eaf2fe}
.top-in{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--serif);font-weight:600;font-size:21px;white-space:nowrap}
.brand img{height:31px;width:auto}
.top-nav{display:flex;align-items:center;gap:22px;font-size:15px}
.top-nav a:not(.btn):hover{color:#7dd3fc}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13.5px;color:var(--muted);padding-top:18px;padding-bottom:4px}
.crumb a:hover{color:var(--brand)}
.crumb svg{width:14px;height:14px;opacity:.6}
.crumb span{color:var(--ink-2)}
/* hero */
.hero{display:grid;grid-template-columns:1fr 360px;gap:56px;align-items:center;padding-top:28px;padding-bottom:40px}
.eyebrow{font-size:13.5px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--brand);margin-bottom:12px}
.eyebrow a:hover{text-decoration:underline}
h1{font-family:var(--serif);font-size:clamp(30px,4.2vw,46px);line-height:1.18;font-weight:700;letter-spacing:-.01em;color:var(--navy);margin-bottom:16px}
h2{font-family:var(--serif);font-size:clamp(23px,2.8vw,31px);line-height:1.25;font-weight:700;color:var(--navy);margin-bottom:10px}
h2 a:hover{color:var(--brand)}
h3{font-size:16.5px;font-weight:700;line-height:1.35}
.lead{font-size:17.5px;color:var(--ink-2);margin-bottom:14px;max-width:720px}
.kpi{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0}
.kpi li{background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 16px;min-width:140px}
.kpi b{display:block;font-family:var(--serif);font-size:24px;color:var(--brand);line-height:1.2}
.kpi span{font-size:13.5px;color:var(--muted)}
.h-act{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 14px}
.note{font-size:13px;color:var(--muted);max-width:640px}
.h-dev{display:flex;justify-content:center}
.phone{position:relative;width:340px;height:736px;border-radius:46px;background:#0b1530;padding:12px;box-shadow:0 30px 60px -25px rgba(12,31,63,.55),0 0 0 1px #24324f}
.phone img{width:100%;height:100%;object-fit:cover;object-position:top;border-radius:36px}
.phone iframe{width:100%;height:100%;border:0;border-radius:36px;background:#fff}
.try{white-space:nowrap;position:absolute;left:50%;bottom:44px;transform:translateX(-50%);display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border:0;border-radius:999px;background:var(--navy);color:#fff;font:600 15px var(--sans);cursor:pointer;box-shadow:0 10px 24px -8px rgba(0,0,0,.5);animation:pulse 2.4s ease-in-out infinite}
.try:hover{background:var(--brand)}
@keyframes pulse{50%{transform:translateX(-50%) scale(1.05)}}
@media (prefers-reduced-motion:reduce){.try{animation:none}}
/* sections */
.sec{padding-top:36px;padding-bottom:36px}
.sub{color:var(--ink-2);margin-bottom:22px;max-width:760px}
.feats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.feat{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}
.f-ic{flex:none;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:#eaf0ff;color:var(--brand);font-size:20px}
.feat small{display:inline-block;font-size:12px;font-weight:600;color:var(--brand);background:#eef3ff;border-radius:6px;padding:1px 8px;margin:4px 0 6px}
.feat p{font-size:14.5px;color:var(--ink-2)}
.feat .ex{margin-top:6px;font-size:13.5px;color:var(--muted)}
.feat .ex b{color:var(--ink-2);font-weight:600}
.roles{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.role{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}
.role h3{display:flex;align-items:center;gap:8px;font-size:17px;margin-bottom:4px}
.role h3 svg{color:var(--brand)}
.role>p{font-size:13.5px;color:var(--muted);margin-bottom:10px}
.role li{position:relative;padding-left:18px;font-size:14.5px;color:var(--ink-2);margin-bottom:6px}
.role li::before{content:"";position:absolute;left:2px;top:9px;width:7px;height:7px;border-radius:50%;background:var(--brand-2)}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chips li{display:inline-flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 15px;font-size:14.5px;font-weight:500}
.chips svg{color:var(--brand)}
.qa{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.qa-i{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}
.qa .q{display:flex;gap:8px;font-weight:600;margin-bottom:8px}
.qa .q svg{color:var(--brand);margin-top:5px}
.qa .a{font-size:14.5px;color:var(--ink-2);background:#f3f6fc;border-radius:12px;padding:12px 14px}
.faq{display:grid;gap:10px;max-width:880px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 20px}
.faq summary{cursor:pointer;list-style:none;padding:16px 0;font-weight:600;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;line-height:1;color:var(--brand);flex:none}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 0 18px;color:var(--ink-2);font-size:15px}
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;margin:24px 0;padding:32px;border-radius:22px;color:#eaf2fe;
  background:radial-gradient(600px 300px at 90% 0,rgba(14,165,233,.35),transparent 60%),var(--navy)}
.cta-box h2{color:#fff}
.cta-box p{color:#c7d6f2;max-width:560px}
.cta-act{display:flex;flex-wrap:wrap;gap:10px}
.cta-box .btn.ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.25)}
.tgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.tcard{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px;transition:border-color .15s,box-shadow .15s}
.tcard:hover{border-color:var(--brand);box-shadow:0 10px 24px -16px rgba(29,78,216,.6)}
.tcard img{width:84px;height:182px;object-fit:cover;object-position:top;border-radius:12px;border:1px solid var(--line);flex:none;background:#eef1f7}
.tc-b{display:flex;flex-direction:column;gap:4px;min-width:0}
.tc-b small{font-size:12px;font-weight:600;color:var(--brand);text-transform:uppercase;letter-spacing:.03em}
.tc-b b{font-size:15.5px;line-height:1.35}
.tc-b>span{font-size:13.5px;color:var(--ink-2)}
.tc-b em{margin-top:auto;font-style:normal;font-size:13.5px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.more{margin-top:16px}
.more a{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.hero-c{padding-top:28px;padding-bottom:12px}
.hero-c .lead{max-width:860px}
/* footer */
.foot{margin-top:40px;background:var(--navy);color:#c7d6f2;padding:44px 0 24px;font-size:14.5px}
.foot-in{display:grid;grid-template-columns:1.3fr 1fr 1.3fr;gap:36px}
.foot .brand{color:#fff;margin-bottom:10px}
.foot h4{color:#7dd3fc;font-size:13px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:12px}
.foot li{margin-bottom:8px}
.foot a:hover{color:#fff}
.f-ct li{display:flex;gap:10px;align-items:flex-start}
.f-ct svg{margin-top:4px;color:#7dd3fc}
.foot-copy{border-top:1px solid rgba(255,255,255,.1);margin-top:28px;padding-top:18px;font-size:13px;color:#8fa3c7}
.e404{padding:80px 20px;text-align:center}
.e404 .h-act{justify-content:center}
@media (max-width:960px){
  .hero{grid-template-columns:1fr;gap:28px}
  .tgrid{grid-template-columns:repeat(2,1fr)}
  .roles{grid-template-columns:1fr}
  .foot-in{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .top-nav a:not(.btn){display:none}
  .brand{font-size:17px}
  .top-in{gap:10px}
  .btn.sm{padding:8px 12px}
  .feats,.qa,.tgrid,.foot-in{grid-template-columns:1fr}
  .phone{width:300px;height:650px;border-radius:40px;padding:10px}
  .phone img,.phone iframe{border-radius:31px}
  .cta-box{padding:24px}
  .kpi li{min-width:0;flex:1 1 40%}
}
.f-ct b{color:#fff;font-weight:600}