/*
Theme Name: TTT Bài viết
Theme URI: https://dangkykinhdoanh.org.vn/
Author: Tâm - Tầm - Tài
Description: Giao diện trang bài viết của Tâm - Tầm - Tài, đồng bộ màu sắc và menu với web dangkykinhdoanh.org.vn.
Version: 1.1.0
Requires at least: 6.4
Requires PHP: 7.4
Text Domain: ttt-baiviet
*/

:root{
  --brand:#007CBC; --brand-600:#0B5FA5; --brand-700:#004F86; --brand-900:#0A2540;
  --lime:#E4EB2C; --red:#E11D2E; --red-700:#B8121F;
  --ink:#0F1E2E; --ink-2:#3A4A5C; --ink-3:#6B7C8F;
  --line:#E3E9F0; --bg-soft:#F5F8FC;
  --r:14px; --r-pill:999px;
  --sh-2:0 4px 12px rgba(15,30,46,.07), 0 2px 4px rgba(15,30,46,.04);
  --wrap:1160px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  color:var(--ink);background:#fff;font-size:17px;line-height:1.7}
img{max-width:100%;height:auto}
a{color:var(--brand)}
a:hover{color:var(--brand-700)}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.screen-reader-text{position:absolute;left:-9999px}

/* Đầu trang */
.topbar{background:var(--brand-900);color:#cfe0ef;font-size:14px}
.topbar .wrap{display:flex;gap:18px;justify-content:space-between;align-items:center;min-height:38px;flex-wrap:wrap}
.topbar a{color:#fff;text-decoration:none}
.hdr{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px}
.brand img{height:46px;width:auto;display:block}
.nav{display:flex;gap:4px;align-items:center;flex-wrap:wrap}
.nav a{color:var(--ink);text-decoration:none;font-weight:600;font-size:15px;padding:8px 12px;border-radius:var(--r-pill)}
.nav a:hover,.nav a.on{background:var(--bg-soft);color:var(--brand)}
.btn{display:inline-block;background:var(--red);color:#fff !important;text-decoration:none;font-weight:700;
  padding:11px 20px;border-radius:var(--r-pill);border:0;cursor:pointer;font-size:15px}
.btn:hover{background:var(--red-700)}
.btn--blue{background:var(--brand)}
.btn--blue:hover{background:var(--brand-700)}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-size:15px;cursor:pointer}

/* Khung nội dung */
.hero{background:linear-gradient(135deg,var(--brand-900),var(--brand-700));color:#fff;padding:38px 0 34px}
.hero h1{margin:0 0 6px;font-size:32px;line-height:1.3}
.hero p{margin:0;color:#cfe0ef}
.crumb{font-size:14px;color:#cfe0ef;margin-bottom:10px}
.crumb a{color:#fff}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:36px;padding:36px 0 56px}
.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.card{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff;box-shadow:var(--sh-2);display:flex;flex-direction:column}
.card img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}
.card .in{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.card h2{font-size:19px;line-height:1.4;margin:0}
.card h2 a{color:var(--ink);text-decoration:none}
.card h2 a:hover{color:var(--brand)}
.meta{font-size:13.5px;color:var(--ink-3)}
.card p{margin:0;color:var(--ink-2);font-size:15.5px}
.pager{margin-top:28px;display:flex;gap:8px;flex-wrap:wrap}
.pager .page-numbers{padding:8px 14px;border:1px solid var(--line);border-radius:10px;text-decoration:none;color:var(--ink)}
.pager .current{background:var(--brand);color:#fff;border-color:var(--brand)}

/* Bài viết */
.post h1{font-size:32px;line-height:1.3;margin:0 0 10px}
.post .thumb{margin:18px 0 6px;border-radius:var(--r);overflow:hidden}
.entry h2{font-size:24px;line-height:1.35;margin:34px 0 10px;color:var(--brand-900)}
.entry h3{font-size:20px;margin:26px 0 8px}
.entry p,.entry li{color:#1f2d3d}
.entry blockquote{margin:22px 0;padding:14px 18px;border-left:4px solid var(--brand);background:var(--bg-soft);border-radius:0 10px 10px 0}
.entry table{border-collapse:collapse;width:100%;margin:18px 0;font-size:15.5px}
.entry th,.entry td{border:1px solid var(--line);padding:9px 11px;text-align:left}
.entry th{background:var(--bg-soft)}
.entry img{border-radius:10px}
.author{display:flex;gap:14px;align-items:flex-start;margin:34px 0 0;padding:18px;border:1px solid var(--line);border-radius:var(--r);background:var(--bg-soft);font-size:15.5px}
.author b{display:block;font-size:16.5px}
.cta-box{margin:30px 0 0;padding:22px;border-radius:var(--r);background:linear-gradient(135deg,var(--brand-700),var(--brand-900));color:#fff}
.cta-box h3{margin:0 0 6px;font-size:21px;color:#fff}
.cta-box p{margin:0 0 14px;color:#d6e6f3}
.cta-box .row{display:flex;gap:10px;flex-wrap:wrap}

/* Cột bên */
.side .box{border:1px solid var(--line);border-radius:var(--r);padding:18px;margin-bottom:20px;background:#fff}
.side h3{margin:0 0 10px;font-size:17px}
.side ul{margin:0;padding-left:18px}
.side li{margin:6px 0;font-size:15px}
.side .box--cta{background:var(--bg-soft)}
.search-form{display:flex;gap:8px}
.search-form input[type=search]{flex:1;min-width:0;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:15px}
.search-form button{padding:10px 14px;border:0;border-radius:10px;background:var(--brand);color:#fff;font-weight:600;cursor:pointer}

/* Chân trang */
.ftr{background:var(--brand-900);color:#b9cde0;font-size:15px;padding:38px 0 22px}
.ftr .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}
.ftr h4{color:#fff;margin:0 0 10px;font-size:16px}
.ftr a{color:#fff;text-decoration:none}
.ftr a:hover{text-decoration:underline}
.ftr ul{list-style:none;margin:0;padding:0}
.ftr li{margin:6px 0}
.ftr .copy{border-top:1px solid rgba(255,255,255,.12);margin-top:26px;padding-top:16px;font-size:13.5px}

/* Nút nổi gọi / Zalo */
.float{position:fixed;right:16px;bottom:18px;display:flex;flex-direction:column;gap:10px;z-index:60}
.float a{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;
  text-decoration:none;font-weight:800;font-size:13px;box-shadow:0 8px 20px rgba(0,0,0,.18)}
.float .z{background:#0068FF}
.float .p{background:var(--red)}

@media (max-width:980px){
  .layout{grid-template-columns:1fr}
  .nav{display:none;position:absolute;left:0;right:0;top:72px;background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;padding:10px 20px}
  .nav.open{display:flex}
  .burger{display:inline-block}
  .hdr .btn{display:none}
  .ftr .cols{grid-template-columns:1fr}
}
@media (max-width:640px){
  body{font-size:16.5px}
  .cards{grid-template-columns:1fr}
  .hero h1,.post h1{font-size:26px}
  .topbar .wrap{justify-content:center}
  .topbar .hide-m{display:none}
}