/* Green eNotary — trang công khai (blog, trang trụ cột, trang giới thiệu). Cùng bảng màu với trang chủ. */
:root{
  --g950:#022C22; --g900:#064E3B; --g800:#065F46; --g700:#047857; --g600:#059669; --g500:#10B981; --g400:#34D399;
  --g200:#A7F3D0; --g100:#D1FAE5; --g50:#ECFDF5;
  --gold:#F59E0B; --gold-pale:#FEF3C7;
  --ink:#0F2A22; --text:#334155; --muted:#64748B; --line:#E2E8E5; --bg:#FFFFFF; --bg2:#F5FAF7;
  --r:16px; --shadow:0 10px 30px -12px rgba(6,78,59,.22);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Arial,sans-serif;color:var(--text);background:var(--bg);
     font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--g700)}
img,svg{max-width:100%;height:auto}
h1,h2,h3,h4{color:var(--ink);line-height:1.32;margin:0;text-wrap:balance;font-weight:700}
.wrap{max-width:1180px;margin:0 auto;padding-inline:24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:12px;font-weight:600;font-size:15px;
     border:1.5px solid transparent;cursor:pointer;text-decoration:none;white-space:nowrap;font-family:inherit}
.btn-primary{background:linear-gradient(135deg,var(--g600),var(--g700));color:#fff}
.btn-ghost{background:#fff;color:var(--g800);border-color:var(--g200)}
.btn-ghost:hover{border-color:var(--g500);background:var(--g50)}

/* Header */
.hdr{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.6) blur(12px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;gap:24px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;color:var(--ink);text-decoration:none}
.logo svg{width:32px;height:32px}
.logo span{color:var(--g600)}
.nav{display:flex;gap:2px;margin-left:8px}
.nav a{color:var(--text);font-weight:500;font-size:15px;padding:8px 12px;border-radius:10px;text-decoration:none}
.nav a:hover,.nav a[aria-current]{background:var(--g50);color:var(--g800)}
.hdr-cta{margin-left:auto;display:flex;gap:10px}
.hdr-cta .btn{padding:9px 16px;font-size:14.5px}
.burger{display:none;margin-left:auto;background:none;border:0;padding:8px;cursor:pointer;color:var(--ink)}
.burger svg{width:26px;height:26px}
.mnav{display:none}

/* Breadcrumb */
.bc{font-size:13.5px;color:var(--muted);padding-top:22px}
.bc ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.bc li+li:before{content:"›";margin-right:6px;color:var(--g400)}
.bc a{color:var(--muted);text-decoration:none}
.bc a:hover{color:var(--g700)}

/* Bài viết */
.art-wrap{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;padding-block:18px 72px}
.art h1{font-size:clamp(26px,2.8vw,36px);margin:10px 0 0}
.meta{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:13.5px;color:var(--muted);margin-top:14px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.meta b{color:var(--text);font-weight:600}
.tldr{margin:24px 0 8px;background:var(--g50);border:1px solid var(--g100);border-left:4px solid var(--g600);border-radius:12px;padding:16px 20px}
.tldr .lbl{display:block;font-size:12.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--g700);margin-bottom:4px}
.tldr p{margin:0;color:var(--ink);font-size:16.5px}
.nd{font-size:16.5px;max-width:72ch}
.nd h2{font-size:clamp(21px,2.1vw,25px);margin:38px 0 12px}
.nd h3{font-size:19px;margin:28px 0 8px}
.nd p{margin:0 0 16px}
.nd ul,.nd ol{padding-left:22px;margin:0 0 16px}
.nd li{margin:6px 0}
.nd a{text-decoration:underline;text-underline-offset:3px}
.nd blockquote{margin:20px 0;padding:12px 18px;border-left:4px solid var(--gold);background:var(--gold-pale);border-radius:8px}
.nd .tbl{overflow-x:auto;margin:0 0 18px}
.nd table{border-collapse:collapse;width:100%;font-size:15px;display:block;overflow-x:auto}
.nd .tbl table{display:table}
.nd th,.nd td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top}
.nd th{background:var(--bg2);color:var(--ink);font-weight:600}
.nd img{border-radius:12px}
.hop{border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin-top:32px;background:#fff}
.hop h2{font-size:19px;margin:0 0 10px}
.hop ul{margin:0;padding-left:20px}
.hop li{margin:6px 0}
.faq details{border:1px solid var(--line);border-radius:12px;padding:0 18px;margin-top:10px;background:#fff}
.faq summary{cursor:pointer;font-weight:600;color:var(--ink);padding:14px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";color:var(--g600);font-size:20px;line-height:1}
.faq details[open] summary:after{content:"–"}
.faq details p{margin:0 0 14px}
.side{position:sticky;top:88px;align-self:start;display:grid;gap:16px}
.side .box{border:1px solid var(--line);border-radius:14px;padding:16px 18px;background:#fff}
.side h3{font-size:15px;margin:0 0 8px}
.side ul{list-style:none;margin:0;padding:0;font-size:14.5px}
.side li{margin:7px 0}
.side a{text-decoration:none}
.side a:hover{text-decoration:underline}
.side .cta{background:linear-gradient(135deg,var(--g700),var(--g900));color:#D1FAE5;border:0}
.side .cta h3{color:#fff}
.side .cta p{font-size:14px;margin:0 0 12px}
.side .cta .btn{width:100%}
.preview{background:var(--gold-pale);color:#92400E;font-size:14px;padding:10px 0;text-align:center;font-weight:600}
.org{border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin:24px 0;background:var(--bg2)}
.org dl{display:grid;grid-template-columns:170px minmax(0,1fr);gap:8px 16px;margin:0;font-size:15.5px}
.org dt{color:var(--muted)}
.org dd{margin:0;color:var(--ink);font-weight:500}

/* Danh sách bài */
.page-hd{padding-block:36px 8px}
.page-hd h1{font-size:clamp(26px,2.8vw,36px)}
.page-hd p{color:var(--muted);max-width:720px;margin:10px 0 0}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 0}
.chips a{font-size:14px;border:1px solid var(--g200);color:var(--g800);padding:6px 12px;border-radius:999px;text-decoration:none;background:#fff}
.chips a:hover{background:var(--g50)}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;padding-block:28px 24px}
.card{border:1px solid var(--line);border-radius:var(--r);padding:22px;background:#fff;display:flex;flex-direction:column;gap:8px}
.card h2{font-size:18px}
.card h2 a{color:var(--ink);text-decoration:none}
.card h2 a:hover{color:var(--g700)}
.card p{margin:0;color:#526070;font-size:15px}
.card .d{font-size:13px;color:var(--muted);margin-top:auto}
.pager{display:flex;gap:8px;justify-content:center;padding-bottom:64px}
.pager a,.pager span{min-width:40px;text-align:center;padding:8px 12px;border-radius:10px;border:1px solid var(--line);text-decoration:none}
.pager span{background:var(--g600);color:#fff;border-color:var(--g600)}
.empty{padding:48px 0 80px;color:var(--muted)}

/* Footer */
.ftr{background:var(--g950);color:#9FD9C0;padding-block:52px 26px;font-size:14.5px}
.ftr .cols{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr 1.1fr;gap:28px}
.ftr .logo{color:#fff}
.ftr h4{color:#fff;font-size:15px;margin:0 0 12px}
.ftr a{color:#9FD9C0;display:block;margin-top:7px;text-decoration:none}
.ftr a:hover{color:#fff}
.ftr .copy{border-top:1px solid rgba(167,243,208,.14);margin-top:36px;padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:#6FBF9C}

@media (max-width:1080px){
  .nav,.hdr-cta{display:none}
  .burger{display:block}
  .mnav.open{display:flex;flex-direction:column;gap:2px;padding:10px 24px 16px;border-top:1px solid var(--line);background:#fff}
  .mnav a{padding:10px 4px;color:var(--text);text-decoration:none}
  .mnav .btn{margin-top:8px}
  .art-wrap{grid-template-columns:minmax(0,1fr)}
  .side{position:static}
  .cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ftr .cols{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  .wrap{padding-inline:16px}
  .cards,.ftr .cols{grid-template-columns:minmax(0,1fr)}
  .org dl{grid-template-columns:minmax(0,1fr);gap:2px}
  .org dd{margin-bottom:8px}
}