/* ===== Menu xổ xuống ===== */
.menu{align-items:center}
.dd{position:relative}
.dd>.ddt{display:inline-flex;align-items:center;gap:4px}
.ddm{display:none;position:absolute;top:100%;left:-14px;padding-top:12px;z-index:40}
.ddm .in{background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:0 14px 40px rgba(14,26,48,.14);min-width:270px;padding:8px}
.ddm a{display:block;padding:11px 14px;border-radius:9px;font-size:15px}
.ddm a:hover{background:var(--soft)}
.ddm small{display:block;color:var(--muted);font-size:12px}
.dd:hover .ddm,.dd:focus-within .ddm{display:block}
.menu a.on{color:var(--accent);font-weight:600}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:10px;width:42px;height:42px;font-size:20px;cursor:pointer;color:var(--ink)}
@media(max-width:860px){
  .burger{display:inline-flex;align-items:center;justify-content:center}
  nav.bar .btn.pri{display:none}
  .menu.open{display:flex;flex-direction:column;align-items:stretch;position:absolute;top:64px;left:0;right:0;background:var(--bg);padding:12px 20px 20px;border-bottom:1px solid var(--line);gap:4px;box-shadow:0 12px 30px rgba(14,26,48,.12)}
  .menu.open>a,.menu.open .ddt{padding:10px 0;font-size:17px}
  .menu.open .ddm{display:block;position:static;padding:0 0 6px 12px}
  .menu.open .ddm .in{border:none;box-shadow:none;background:none;padding:0;min-width:0}
  .menu.open .ddm a{padding:8px 0}
}

/* ===== Footer 4 cột ===== */
:root{--foot:#0e1a30;--foot2:#16264a}
footer.ft{background:var(--foot);color:#d7dde4;padding:56px 0 0;font-size:15px}
footer.ft a{color:#fff;text-decoration:none}footer.ft a:hover{color:var(--gold)}
.ftg{display:grid;grid-template-columns:1fr 1.15fr .9fr 1.5fr;gap:36px}
@media(max-width:980px){.ftg{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.ftg{grid-template-columns:1fr}}
.ft h4{font-family:'Be Vietnam Pro',sans-serif;color:#fff;font-size:19px;text-transform:uppercase;letter-spacing:.02em;margin:0 0 20px;padding-bottom:10px;position:relative}
.ft h4:after{content:"";position:absolute;left:0;bottom:0;width:56px;height:3px;background:var(--gold);border-radius:2px}
.ft .me{text-align:center}
.ft .me img{width:150px;height:150px;border-radius:50%;object-fit:cover;margin:0 auto 16px;border:4px solid rgba(226,184,106,.5)}
.ft .me p{margin:0 0 18px;color:#c9d2e0}
.ft .me hr{border:0;border-top:1px solid rgba(255,255,255,.25);width:110px;margin:0 auto 18px}
.ft .fol{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}
.ft .fol b{color:#fff;font-size:17px}
.ft .fol a{display:inline-flex;width:36px;height:36px;border-radius:50%;align-items:center;justify-content:center;background:rgba(255,255,255,.1)}
.ft .fol a:hover{background:var(--gold);color:var(--navy)}
.ft .fol svg{width:18px;height:18px;fill:currentColor}
.ft ul{list-style:none;margin:0;padding:0}
.ft .ci li{display:flex;gap:12px;margin-bottom:14px;line-height:1.5}
.ft .ci svg{flex:0 0 18px;width:18px;height:18px;fill:var(--gold);margin-top:3px}
.ft .pol li{margin-bottom:12px}.ft .pol a:before{content:"› ";color:var(--gold)}
.ft form .g{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:420px){.ft form .g{grid-template-columns:1fr}}
.ft input,.ft textarea{width:100%;padding:12px 14px;border:0;border-radius:6px;font:inherit;font-size:15px;background:#fff;color:#14213a}
.ft textarea{margin-top:12px;min-height:96px;resize:vertical}
.ft .send{display:block;margin:16px auto 0;background:transparent;color:#fff;border:2px solid var(--gold);border-radius:8px;padding:11px 34px;font:inherit;font-weight:700;letter-spacing:.04em;cursor:pointer;transition:.2s}
.ft .send:hover{background:var(--gold);color:var(--navy)}
.ft .send:disabled{opacity:.7;cursor:wait}
.ft .note{font-size:12.5px;color:#9fabc0;text-align:center;margin:10px 0 0}
.ft .note a{color:#c9d2e0;text-decoration:underline}
.ft .okm{display:none;background:rgba(226,184,106,.15);border:1px solid rgba(226,184,106,.5);border-radius:8px;padding:12px 14px;margin-top:12px;color:#fff;font-size:14px}
.ftb{margin-top:48px;background:var(--foot2);padding:18px 0 96px;font-size:13.5px;color:#9fabc0}
.ftb .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.ftb b{color:#fff}

/* ===== Nút nổi bên phải ===== */
.fl{position:fixed;right:14px;bottom:18px;z-index:30;display:flex;flex-direction:column;gap:12px}
.fl a{width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(0,0,0,.22);color:#fff;font-weight:700;font-size:13px;text-decoration:none;border:3px solid rgba(255,255,255,.85)}
.fl svg{width:26px;height:26px;fill:#fff}
.fl .z{background:#0068ff}.fl .p{background:#1aa260;animation:ring 1.6s infinite}.fl .m{background:#0a7cff}
@keyframes ring{0%,100%{transform:rotate(0)}5%,15%{transform:rotate(-12deg)}10%,20%{transform:rotate(12deg)}25%{transform:rotate(0)}}
@media(prefers-reduced-motion:reduce){.fl .p{animation:none}}

/* ===== Trang dự án & 360 ===== */
.phero{background:linear-gradient(135deg,var(--navy),#22365e);color:#fff;padding:56px 0 52px}
.phero h1{font-size:clamp(32px,5vw,52px)}.phero .crumb,.phero .crumb a{color:#b8c3d6}
.phero p.lead{font-size:18px;max-width:680px;color:#d6dbe6}
.phero .btn.pri{background:var(--gold);border-color:var(--gold);color:var(--navy)}.phero .btn.sec{color:#fff;border-color:var(--gold)}
.facts{width:100%;border-collapse:collapse}.facts td{padding:12px 0;border-bottom:1px solid var(--line);vertical-align:top}
.facts td:first-child{width:36%;color:var(--muted);font-weight:600;padding-right:14px}
.upd{color:var(--muted);font-style:italic}
.pcard{display:flex;flex-direction:column;text-decoration:none;color:inherit;padding:0;overflow:hidden}
.pcard .cv{aspect-ratio:16/9;background:linear-gradient(135deg,var(--navy),#2a4170);display:flex;align-items:flex-end;padding:18px;color:var(--gold);font-family:'Playfair Display',serif;font-size:26px}
.pcard .cv img{width:100%;height:100%;object-fit:cover}
.pcard .cv.ph{position:relative}.pcard .in{padding:20px}
.v360{position:relative;aspect-ratio:16/9;border-radius:14px;overflow:hidden;background:linear-gradient(135deg,var(--navy),#2a4170);color:#fff}
.v360 iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.v360 .ph{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:24px;gap:12px}
.v360 .ph b{font-family:'Playfair Display',serif;font-size:24px;color:var(--gold)}
.v360 .ph .btn{background:var(--gold);border-color:var(--gold);color:var(--navy)}
.v360cr{font-size:13px;color:var(--muted);margin-top:8px}
.box{background:var(--soft);border-radius:14px;padding:18px 20px}

/* ===== Bài viết: bảng, ảnh, ảnh bìa chữ ===== */
article.doc .tbl{overflow-x:auto;margin:1.4em 0}article.doc table{width:100%;border-collapse:collapse;font-size:16px}
article.doc th,article.doc td{border-bottom:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
article.doc th{background:var(--soft);font-weight:600}article.doc figure img{border-radius:12px}
.cover{aspect-ratio:1200/630;background:linear-gradient(135deg,var(--navy),#2a4170);display:flex;flex-direction:column;justify-content:flex-end;padding:18px 20px;gap:6px}
.cover .ct{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);font-weight:700}
.cover .cn{font-family:'Playfair Display',serif;color:#fff;font-size:21px;line-height:1.25}