/* Giao diện mẫu. Màu lấy từ config.json (brand.colors) qua biến --primary, --accent, --ink, --muted, --bg, --card, --r.
   Đổi phong cách: sửa biến ở config, hoặc sửa tệp này. Mọi hiệu ứng tắt khi người dùng bật "giảm chuyển động". */
*{box-sizing:border-box}
[hidden]{display:none!important} /* thuộc tính hidden luôn thắng display:flex/grid */
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:Inter,"Inter Fallback",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:16px;line-height:1.65;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
@font-face{font-family:"Inter Fallback";src:local("Arial");size-adjust:107%;ascent-override:90%}
img{max-width:100%;height:auto}
a{color:var(--primary)}
h1,h2,h3{line-height:1.2;letter-spacing:-.01em;text-wrap:balance}
h1{font-size:clamp(30px,4.4vw,48px);margin:.4em 0}
h2{font-size:clamp(22px,2.8vw,32px);margin:1.6em 0 .5em}
h3{font-size:19px}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;z-index:99;background:#fff;padding:8px 12px}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.lede{font-size:19px;color:var(--muted);max-width:62ch}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:12px 22px;background:var(--primary);color:#fff;font:600 15px/1 inherit;font-family:inherit;cursor:pointer;text-decoration:none;transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 24px -10px var(--primary)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid #d5dbe6}
.linkbtn{background:none;border:0;padding:0;color:inherit;font:inherit;text-decoration:underline;cursor:pointer}

/* ---- Thanh menu ---- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);border-bottom:1px solid #e6eaf2;transition:background .2s,box-shadow .2s}
.nav.scrolled{background:rgba(255,255,255,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 6px 24px -18px rgba(0,0,0,.4)}
.nav-in{display:flex;align-items:center;gap:18px;height:68px}
.logo img{display:block;height:40px;width:auto}
.menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.menu a.top,.dd-btn{display:flex;align-items:center;gap:6px;padding:10px 12px;border-radius:10px;color:var(--ink);font:500 15px/1 inherit;font-family:inherit;text-decoration:none;background:none;border:0;cursor:pointer;white-space:nowrap}
.menu a.top:hover,.dd-btn:hover,.menu a[aria-current="page"],.dd.on>.dd-btn{color:var(--primary);background:color-mix(in srgb,var(--primary) 8%,transparent)}
.dd{position:relative}
.dd-btn svg{width:12px;height:12px;fill:none;stroke:currentColor;stroke-width:1.6;transition:transform .15s}
.dd-panel{position:absolute;left:0;top:calc(100% + 8px);min-width:280px;padding:8px;background:var(--card);border:1px solid #e6eaf2;border-radius:var(--r);box-shadow:0 24px 48px -24px rgba(15,23,42,.35);opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .15s,transform .15s,visibility .15s}
.dd-panel::before{content:"";position:absolute;left:0;right:0;top:-10px;height:10px} /* cầu nối: rê chuột xuống không mất menu */
.dd-panel a{display:block;padding:10px 12px;border-radius:10px;color:var(--ink);text-decoration:none}
.dd-panel a b{display:block;font-weight:600}
.dd-panel a small{display:block;color:var(--muted);font-size:13px;line-height:1.4;margin-top:2px}
.dd-panel a:hover,.dd-panel a[aria-current="page"]{background:color-mix(in srgb,var(--primary) 8%,transparent)}
@media (hover:hover) and (min-width:1025px){.dd:hover>.dd-panel,.dd:focus-within>.dd-panel{opacity:1;visibility:visible;transform:none}.dd:hover .dd-btn svg{transform:rotate(180deg)}}
.dd.open>.dd-panel{opacity:1;visibility:visible;transform:none}.dd.open .dd-btn svg{transform:rotate(180deg)}
.burger{display:none;width:44px;height:44px;border:1px solid #d5dbe6;border-radius:12px;background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.burger span{display:block;width:20px;height:2px;background:var(--ink);transition:transform .2s,opacity .2s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (max-width:1024px){
  .burger{display:flex;margin-left:auto}
  .join{display:none}
  .menu{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;padding:10px 16px 18px;background:#fff;border-bottom:1px solid #e6eaf2;max-height:calc(100vh - 68px);overflow:auto}
  .menu.open{display:flex}
  .menu a.top,.dd-btn{width:100%;justify-content:space-between;padding:14px 8px;font-size:16px}
  .dd-panel{position:static;min-width:0;box-shadow:none;border:0;border-left:2px solid color-mix(in srgb,var(--primary) 25%,transparent);border-radius:0;padding:0 0 0 10px;margin:0 0 6px 8px;display:none;opacity:1;visibility:visible;transform:none}
  .dd.open>.dd-panel{display:block}
  .dd-panel a small{display:none}
}

/* ---- Khối nội dung ---- */
main{min-height:60vh}
.crumbs{max-width:1180px;margin:14px auto 0;padding:0 20px;font-size:13px;color:var(--muted)}
.crumbs a{color:var(--muted)}
.hero{position:relative;overflow:hidden;padding:72px 0 56px}
.hero::before{content:"";position:absolute;inset:-30% -10% auto auto;width:620px;height:620px;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--primary) 22%,transparent),transparent 65%);animation:troi 18s ease-in-out infinite alternate;pointer-events:none}
@keyframes troi{to{transform:translate(-80px,60px) scale(1.08)}}
.hero .wrap{position:relative}
.hero .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
section{padding:24px 0}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:18px 0}
@media (max-width:900px){.grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.grid{grid-template-columns:1fr}}
.card{display:flex;flex-direction:column;gap:8px;padding:22px;background:var(--card);border:1px solid #e6eaf2;border-radius:var(--r);color:var(--ink);text-decoration:none;transition:transform .2s,box-shadow .2s,border-color .2s}
a.card:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--primary) 35%,#e6eaf2);box-shadow:0 18px 36px -24px rgba(15,23,42,.45)}
.card img{border-radius:calc(var(--r) - 6px);margin:-6px -6px 4px;width:calc(100% + 12px);max-width:none}
.card p{margin:0;color:var(--muted)}
.tag{display:inline-block;align-self:flex-start;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--accent)}
.meta{font-size:13px;color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1px solid #d5dbe6;background:#fff;border-radius:999px;padding:8px 14px;font:500 14px/1 inherit;font-family:inherit;cursor:pointer}
.chip.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.post-body{max-width:780px}
.post-body table{width:100%;border-collapse:collapse;display:block;overflow-x:auto}
.post-body th,.post-body td{border-bottom:1px solid #e6eaf2;padding:10px;text-align:left;vertical-align:top}
.post-body figure{margin:24px 0}.post-body figcaption{font-size:13px;color:var(--muted)}
details.faq{border:1px solid #e6eaf2;border-radius:12px;background:var(--card);margin:10px 0;padding:0 16px}
details.faq summary{cursor:pointer;font-weight:600;padding:14px 0}
.cta-box{margin:36px 0;padding:26px;border-radius:var(--r);background:color-mix(in srgb,var(--primary) 7%,var(--card));border:1px solid color-mix(in srgb,var(--primary) 20%,transparent)}
.cta-box h2{margin-top:0}

/* ---- Chân trang, nút nổi ---- */
.foot{margin-top:60px;padding:40px 0 90px;background:var(--ink);color:#cfd6e4}
.foot a,.foot .linkbtn{color:#fff}
.foot-in{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:28px}
.foot h3{color:#fff;font-size:15px;text-transform:uppercase;letter-spacing:.06em}
.foot p{margin:.3em 0}
.copy{font-size:13px;opacity:.7;margin-top:24px}
@media (max-width:800px){.foot-in{grid-template-columns:1fr}}
.float-cta{position:fixed;right:16px;bottom:16px;z-index:40;display:flex;flex-direction:column;gap:10px}
.float-cta a{display:grid;place-items:center;width:54px;height:54px;border-radius:50%;color:#fff;font-weight:700;font-size:13px;text-decoration:none;box-shadow:0 10px 24px -10px rgba(0,0,0,.5)}
.fz{background:#0068ff}.fp{background:var(--accent)}

/* ---- Form trượt, cookie ---- */
.drawer{position:fixed;inset:0;z-index:60}
.drawer-bg{position:absolute;inset:0;background:rgba(15,23,42,.45)}
.drawer-box{position:absolute;right:0;top:0;bottom:0;width:min(440px,100%);background:#fff;padding:28px 24px;overflow:auto;animation:vao .25s ease-out}
@keyframes vao{from{transform:translateX(30px);opacity:0}}
.drawer-x{position:absolute;right:14px;top:10px;border:0;background:none;font-size:30px;cursor:pointer}
form label{display:grid;gap:6px;margin:12px 0;font-size:14px;font-weight:500}
form input,form textarea{font:inherit;padding:12px;border:1px solid #d5dbe6;border-radius:10px;width:100%}
form .consent{grid-template-columns:auto 1fr;align-items:start;font-weight:400;font-size:13px;color:var(--muted)}
form .consent input{width:auto;margin-top:3px}
.hp{position:absolute!important;left:-9999px!important}
.form-msg{min-height:1.4em;font-size:14px}
.form-msg.err{color:#c62828}.form-msg.ok{color:#1b7f3b}
.ck-bar{position:fixed;left:16px;right:16px;bottom:16px;z-index:70;max-width:720px;margin:0 auto;display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding:14px 16px;background:#fff;border:1px solid #e6eaf2;border-radius:16px;box-shadow:0 18px 40px -20px rgba(0,0,0,.45);font-size:14px}
.ck-bar p{flex:1 1 300px;margin:0}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* ---- Hoàng Again: navy + cam UP9 ---- */
.tag{color:var(--accent_ink)}
.fp{background:var(--accent_ink)}
.hero{background:linear-gradient(180deg,#fff,var(--bg))}
.hero::before{background:radial-gradient(circle,color-mix(in srgb,var(--accent) 22%,transparent),transparent 65%)}
.hero h1 em{font-style:normal;color:var(--accent_ink)}
.btn.accent{background:var(--accent);color:var(--ink)}
.btn.accent:hover{box-shadow:0 8px 24px -10px var(--accent)}
.note{font-size:14px;color:var(--muted)}
.stats{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:28px;padding:0;list-style:none}
.stats li{font-size:14px;color:var(--muted)}.stats b{display:block;font-size:22px;color:var(--ink)}
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:22px 0}
@media (max-width:1100px){.plans{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.plans{grid-template-columns:1fr}}
.plan{position:relative;display:flex;flex-direction:column;gap:10px;padding:24px 20px;background:var(--card);border:1px solid #e1e6ef;border-radius:var(--r)}
.plan.feat{border:2px solid var(--accent);box-shadow:0 22px 44px -28px rgba(15,27,61,.5)}
.plan .badge{position:absolute;top:-12px;left:20px;background:var(--accent);color:var(--ink);font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px}
.plan h3{margin:4px 0 0;font-size:20px}
.plan .price{font-size:28px;font-weight:800;letter-spacing:-.02em;line-height:1.1}
.plan .price small{font-size:14px;font-weight:500;color:var(--muted)}
.plan .for{margin:0;color:var(--muted);font-size:14px}
.plan ul{margin:6px 0 10px;padding-left:20px;font-size:15px;flex:1}
.plan li{margin:4px 0}
.plan .btn{width:100%}
.steps{counter-reset:s;list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.steps li{counter-increment:s;padding:20px;background:var(--card);border:1px solid #e1e6ef;border-radius:var(--r)}
.steps li::before{content:counter(s);display:grid;place-items:center;width:32px;height:32px;margin-bottom:8px;border-radius:50%;background:var(--ink);color:#fff;font-weight:700}
.quote{margin:24px 0;padding:18px 22px;border-left:4px solid var(--accent);background:var(--card);border-radius:0 12px 12px 0;font-size:18px;font-weight:600}

/* ---- DEMO BỐ CỤC (theme trung tính, chọn theme sau) ---- */
.ph{border:2px dashed #b9c2d3;border-radius:var(--r);background:repeating-linear-gradient(45deg,#eef1f6,#eef1f6 10px,#f7f8fb 10px,#f7f8fb 20px);color:#4a5568;font-size:13px;display:flex;align-items:center;justify-content:center;text-align:center;padding:14px;width:100%}
.ph b{display:block;color:var(--ink);font-size:14px}
.r169{aspect-ratio:16/9}.r43{aspect-ratio:4/3}.r23{aspect-ratio:2/3}.r11{aspect-ratio:1/1}.r21{aspect-ratio:2/1}
.phero{padding:48px 0 28px;background:linear-gradient(180deg,#fff,var(--bg))}
.phero .in{display:grid;grid-template-columns:1.25fr .75fr;gap:28px;align-items:start}
@media(max-width:900px){.phero .in{grid-template-columns:1fr}}
.pricebox{background:#fff;border:1px solid #e1e6ef;border-radius:var(--r);padding:20px}
.pricebox .big{font-size:28px;font-weight:800;line-height:1.1;margin:4px 0 10px}
.pricebox dl{display:grid;grid-template-columns:1fr auto;gap:8px 12px;margin:0;font-size:15px}.pricebox dt{color:var(--muted)}.pricebox dd{margin:0;font-weight:600;text-align:right}
.cols3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.cols2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:900px){.cols3,.cols2{grid-template-columns:1fr}}
.box{background:#fff;border:1px solid #e1e6ef;border-radius:var(--r);padding:20px}.box h3{margin-top:0;font-size:15px;text-transform:uppercase;letter-spacing:.05em;color:var(--accent_ink)}
.box ul{margin:0;padding-left:18px}.box li{margin:4px 0}
.box.ok{border-top:4px solid #2f9e44}.box.no{border-top:4px solid #e8590c}
.band{background:var(--ink);color:#e6ebf3;border-radius:var(--r);padding:22px 24px;margin:24px 0}.band a{color:#fff}
.band h3{color:#fff;margin:0 0 6px}
.cta-form{display:grid;grid-template-columns:1fr 1fr;gap:24px;background:#fff;border:1px solid #e1e6ef;border-radius:var(--r);padding:26px}
@media(max-width:900px){.cta-form{grid-template-columns:1fr}}
.cta-form .fake label{display:grid;gap:4px;font-size:14px;margin:8px 0}.cta-form .fake input,.cta-form .fake select{font:inherit;padding:11px;border:1px solid #d5dbe6;border-radius:10px;width:100%}
.feed{background:#141a26;color:#d6deeb;border-radius:var(--r);padding:16px;font:13px/1.5 ui-monospace,Consolas,monospace}
.feed .row{display:grid;grid-template-columns:44px 74px 1fr;gap:8px;padding:6px 0;border-bottom:1px solid #263047}.feed .k{color:#91a7ff;font-weight:700}.feed small{color:#8a96ad}
.hero2{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center}@media(max-width:900px){.hero2{grid-template-columns:1fr}}
.chiprow{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}.chiprow span,.chiprow a{background:#fff;border:1px solid #d5dbe6;border-radius:999px;padding:7px 13px;font-size:14px;text-decoration:none;color:var(--ink)}
.rel{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}@media(max-width:900px){.rel{grid-template-columns:1fr}}
.wait{background:#fff8e6;border:1px solid #f0d58c;border-radius:12px;padding:12px 16px;font-size:14px}
.founder2{display:grid;grid-template-columns:.8fr 1.2fr;gap:32px;align-items:center}@media(max-width:900px){.founder2{grid-template-columns:1fr}}
.steps li small{display:block;margin-top:8px;font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--accent_ink)}

/* ---- THEME SÁNG "BĂNG" + KÍNH MỜ + ROBOT RIÊNG (tự dựng, 26/10/2026) ---- */
body{background:radial-gradient(900px 600px at 85% -10%,rgba(59,201,219,.18),transparent 60%),radial-gradient(800px 500px at -10% 30%,rgba(21,101,192,.10),transparent 60%),var(--bg);color:var(--ink)}
a{color:var(--primary)}
.nav{background:rgba(238,245,252,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.7)}
.nav.scrolled{background:rgba(238,245,252,.6)}
.card,.box,.pricebox,.cta-form,details.faq,.cta-box,.quote,.chiprow span,.chiprow a,.chip{background:rgba(255,255,255,.62);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.85);box-shadow:0 10px 30px -18px rgba(21,60,120,.35)}
.dd-panel{background:rgba(255,255,255,.92);backdrop-filter:blur(14px)}
.btn{border-radius:999px}.btn.accent{background:var(--accent);color:#1a1205}
.btn.accent::after,.btn:not(.ghost)::after{content:"→";display:inline-grid;place-items:center;width:24px;height:24px;margin-left:4px;border-radius:50%;background:rgba(255,255,255,.35);font-size:14px}
.btn.ghost{background:rgba(255,255,255,.55);border:1px solid rgba(255,255,255,.9);color:var(--ink)}
.burger{background:rgba(255,255,255,.7)}
@media (max-width:1024px){.menu{background:rgba(238,245,252,.97)}}
.ph{background:repeating-linear-gradient(45deg,rgba(255,255,255,.55),rgba(255,255,255,.55) 10px,rgba(225,236,248,.55) 10px,rgba(225,236,248,.55) 20px);border-color:#a9c0dc;color:#4a5873}
.band{background:linear-gradient(120deg,#123a6b,#1565c0);color:#eef5fc}
.foot{background:#0f1b33}
.phero{background:transparent}
.hero{background:transparent}
.hero::before{background:radial-gradient(circle,rgba(59,201,219,.28),transparent 65%)}
.hero::after{content:"";position:absolute;left:-10%;right:-10%;bottom:-30px;height:200px;pointer-events:none;background:linear-gradient(90deg,transparent,rgba(59,201,219,.35),rgba(21,101,192,.22),transparent);filter:blur(42px);border-radius:50%;animation:song 10s ease-in-out infinite alternate}
@keyframes song{to{transform:rotate(3deg) translateY(-24px) scaleX(1.08)}}
.hero h1 em{color:var(--accent_ink)}
/* đội robot + nhật ký Agent trong thẻ kính */
.team{display:flex;align-items:flex-end;justify-content:center;gap:4px;margin-bottom:14px;padding:18px 12px 8px;border-radius:var(--r);background:rgba(255,255,255,.5);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.85)}
.team img{width:18%;height:auto;filter:drop-shadow(0 8px 12px rgba(15,27,51,.28))}.team img.lead{width:30%}
.feed{background:rgba(255,255,255,.62);backdrop-filter:blur(12px);color:#24314d;border:1px solid rgba(255,255,255,.85);box-shadow:0 10px 30px -18px rgba(21,60,120,.35)}
.feed .row{border-bottom-color:#d6e3f2}.feed .k{color:#1565c0}.feed small{color:#4a5873}
.staff img,.pb-robot,.empty img{filter:drop-shadow(0 8px 12px rgba(15,27,51,.25))}
.staff{align-items:flex-start}.staff img{width:110px;height:auto;margin:0 auto 6px}
.staff dl{display:grid;grid-template-columns:auto 1fr;gap:6px 10px;margin:6px 0 0;font-size:14px}.staff dt{color:var(--accent_ink);font-weight:600}.staff dd{margin:0;color:var(--muted)}
.pb-robot{float:right;width:96px;height:auto;margin:-8px -6px 0 8px}
.empty{text-align:center}.empty img{width:150px;height:auto;margin:20px auto 0;display:block}
@media(max-width:600px){.team img{width:17%}.team img.lead{width:28%}}
@media (prefers-reduced-motion:reduce){.hero::after{animation:none}}