:root{
  --navy-950:#06122a;
  --navy-900:#0b1d3a;
  --navy-800:#112952;
  --navy-700:#16346b;
  --navy-600:#1e4590;
  --blue-500:#2f6bff;
  --blue-400:#5b8cff;
  --cyan-300:#7fd8ff;
  --ink:#0c1a33;
  --ink-2:#44526b;
  --ink-3:#6b7891;
  --line:#e3e8f2;
  --bg:#f6f8fc;
  --card:#ffffff;
  --radius:16px;
  --shadow:0 1px 2px rgba(11,29,58,.06),0 8px 24px rgba(11,29,58,.06);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{font-family:"Be Vietnam Pro",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 20px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 22px;border-radius:999px;font-weight:600;font-size:15px;transition:.2s;border:1px solid transparent;cursor:pointer;font-family:inherit}
.btn-primary{background:var(--blue-500);color:#fff;box-shadow:0 6px 20px rgba(47,107,255,.35)}
.btn-primary:hover{background:#2459e0;transform:translateY(-1px)}
.btn-ghost{border-color:rgba(255,255,255,.25);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.08)}
.btn-outline{border-color:var(--line);background:#fff;color:var(--ink)}
.btn-outline:hover{border-color:var(--blue-500);color:var(--blue-500)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--blue-500)}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor}
.section{padding:96px 0}
.section-head{max-width:680px;margin-bottom:48px}
.section-head h2{font-size:clamp(28px,4vw,40px);line-height:1.2;font-weight:800;letter-spacing:-.02em;margin:12px 0 14px}
.section-head p{color:var(--ink-2);font-size:17px}

/* Announcement */
.announce{background:var(--navy-950);color:#c9d6f2;font-size:14px;text-align:center;padding:9px 16px}
.announce a{color:var(--cyan-300);font-weight:600}

/* Header */
header.site{position:sticky;top:0;z-index:50;background:rgba(11,29,58,.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;letter-spacing:.02em}
.logo-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--blue-500),var(--cyan-300));display:grid;place-items:center;font-size:14px;font-weight:800;color:var(--navy-950)}
.logo small{display:block;font-size:10px;font-weight:600;letter-spacing:.2em;color:#8fa3c8}
.menu{display:flex;gap:6px;list-style:none}
.menu a{color:#c9d6f2;font-size:15px;font-weight:500;padding:8px 14px;border-radius:999px;transition:.2s}
.menu a:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-cta .btn{padding:10px 18px;font-size:14px}
.burger{display:none;background:none;border:0;color:#fff;width:42px;height:42px;cursor:pointer}
.burger svg{width:26px;height:26px}

/* Hero */
.hero{background:radial-gradient(1200px 600px at 80% -10%,rgba(47,107,255,.35),transparent 60%),radial-gradient(800px 500px at 0% 100%,rgba(127,216,255,.12),transparent 60%),var(--navy-900);color:#fff;padding:88px 0 110px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero .eyebrow{color:var(--cyan-300)}
.hero h1{font-size:clamp(36px,5.6vw,60px);line-height:1.08;font-weight:800;letter-spacing:-.03em;margin:18px 0 20px}
.hero h1 span{background:linear-gradient(90deg,var(--blue-400),var(--cyan-300));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:18px;color:#b9c7e4;max-width:540px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:32px 0 18px}
.hero-note{font-size:14px;color:#8fa3c8}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:28px;font-size:14px;color:#c9d6f2}
.hero-points span{display:inline-flex;align-items:center;gap:8px}
.hero-points span::before{content:"✓";color:var(--cyan-300);font-weight:700}

/* Chat demo */
.demo{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:22px;padding:18px;box-shadow:0 30px 80px rgba(0,0,0,.35)}
.demo-top{display:flex;align-items:center;justify-content:space-between;padding:4px 6px 14px;border-bottom:1px solid rgba(255,255,255,.08)}
.demo-top b{font-size:14px}
.demo-top .live{font-size:12px;color:#8ff0c0;display:flex;align-items:center;gap:6px}
.demo-top .live::before{content:"";width:7px;height:7px;border-radius:50%;background:#3ddc97;box-shadow:0 0 0 4px rgba(61,220,151,.2)}
.chat{display:flex;flex-direction:column;gap:12px;padding:18px 4px}
.msg{max-width:85%;padding:11px 14px;border-radius:14px;font-size:14px;line-height:1.5}
.msg.user{align-self:flex-end;background:var(--blue-500);border-bottom-right-radius:4px}
.msg.bot{align-self:flex-start;background:rgba(255,255,255,.08);border-bottom-left-radius:4px;color:#e3eaf8}
.steps{display:flex;flex-direction:column;gap:7px;margin:2px 0 4px;padding:12px;border-radius:12px;background:rgba(6,18,42,.6);border:1px dashed rgba(255,255,255,.12);font-size:12.5px;color:#a9b9da;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.steps div{display:flex;justify-content:space-between;gap:10px}
.steps i{font-style:normal;color:#8ff0c0}
.demo-foot{font-size:12px;color:#8fa3c8;text-align:center;padding-top:8px;border-top:1px solid rgba(255,255,255,.08)}

/* Cards */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:.25s}
.card:hover{transform:translateY(-3px);border-color:#c8d4ee}
.icon{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,#e7eeff,#d8e4ff);color:var(--navy-600);display:grid;place-items:center;margin-bottom:18px}
.icon svg{width:24px;height:24px}
.card h3{font-size:20px;font-weight:700;margin-bottom:8px;letter-spacing:-.01em}
.card p{color:var(--ink-2);font-size:15px}
.tag{display:inline-block;font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;background:#eaf0ff;color:var(--navy-600);margin-bottom:14px}
.tag.hot{background:var(--navy-900);color:var(--cyan-300)}
.feat{list-style:none;margin:16px 0 22px;display:flex;flex-direction:column;gap:8px}
.feat li{font-size:14.5px;color:var(--ink-2);padding-left:24px;position:relative}
.feat li::before{content:"";position:absolute;left:0;top:7px;width:14px;height:8px;border-left:2px solid var(--blue-500);border-bottom:2px solid var(--blue-500);transform:rotate(-45deg)}
.link{font-weight:600;color:var(--blue-500);font-size:15px;display:inline-flex;align-items:center;gap:6px}
.link:hover{gap:10px}

/* Services */
.product{display:flex;flex-direction:column}
.product .link{margin-top:auto}
.product.featured{grid-column:span 2;background:linear-gradient(135deg,var(--navy-900),var(--navy-700));color:#fff;border:0;display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
.product.featured p,.product.featured .feat li{color:#b9c7e4}
.product.featured .icon{background:rgba(255,255,255,.1);color:var(--cyan-300)}
.product.featured .link{color:var(--cyan-300)}
.mini-ui{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:16px;font-size:13px;display:flex;flex-direction:column;gap:10px}
.mini-row{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;background:rgba(6,18,42,.5)}
.mini-row .dot{width:9px;height:9px;border-radius:50%;flex:none}
.mini-row span{flex:1;color:#dbe4f7}
.mini-row em{font-style:normal;font-size:12px;color:#8fa3c8}

/* Process */
.process{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.step-card{position:relative;padding-top:58px}
.step-num{position:absolute;top:24px;left:28px;font-size:13px;font-weight:700;color:var(--blue-500);letter-spacing:.08em}
.step-time{display:inline-block;margin-top:14px;font-size:13px;font-weight:600;color:var(--navy-600);background:#eaf0ff;padding:4px 10px;border-radius:999px}

/* Community */
.community{background:var(--navy-900);color:#fff;position:relative;overflow:hidden}
.community::after{content:"";position:absolute;right:-200px;top:-200px;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(47,107,255,.35),transparent 70%)}
.community .section-head p{color:#b9c7e4}
.community .eyebrow{color:var(--cyan-300)}
.comm-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start;position:relative;z-index:1}
.comm-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.comm-item{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:20px}
.comm-item h4{font-size:16px;margin-bottom:6px}
.comm-item p{font-size:14px;color:#a9b9da}
.newsletter{background:#fff;color:var(--ink);border-radius:20px;padding:30px}
.newsletter h3{font-size:22px;font-weight:800;margin-bottom:8px}
.newsletter p{color:var(--ink-2);font-size:15px;margin-bottom:18px}
.form-row{display:flex;gap:10px;flex-wrap:wrap}
.form-row input{flex:1 1 200px;min-width:0;padding:13px 16px;border:1px solid var(--line);border-radius:999px;font:inherit;font-size:15px;outline:none}
.form-row input:focus{border-color:var(--blue-500);box-shadow:0 0 0 4px rgba(47,107,255,.12)}
.form-msg{font-size:14px;margin-top:12px;color:#1a8f5c;min-height:20px}
.socials{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.socials a{font-size:14px;font-weight:600;padding:9px 16px;border-radius:999px;border:1px solid rgba(255,255,255,.2);color:#dbe4f7}
.socials a:hover{background:rgba(255,255,255,.08)}

/* Blog */
.blog-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:20px}
.post{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:.25s}
.post:hover{transform:translateY(-3px)}
.post-thumb{aspect-ratio:16/9;background:linear-gradient(135deg,var(--navy-700),var(--blue-500));position:relative}
.post-thumb::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 28px),repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0 1px,transparent 1px 28px)}
.post-thumb.t2{background:linear-gradient(135deg,#0f2a5c,#1b8fd1)}
.post-thumb.t3{background:linear-gradient(135deg,#132a52,#4f6fe0)}
.post-thumb.t4{background:linear-gradient(135deg,#0b1d3a,#2b5fb8)}
.post-thumb.t5{background:linear-gradient(135deg,#16346b,#37a3e0)}
.post-body{padding:22px}
.post-meta{font-size:13px;color:var(--ink-3);margin-bottom:8px;display:flex;gap:10px}
.post-meta b{color:var(--blue-500);font-weight:600}
.post h3{font-size:18px;line-height:1.35;font-weight:700}
.post.big h3{font-size:24px}
.post p{color:var(--ink-2);font-size:15px;margin-top:8px}
.side-posts{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.side-posts .post-body{padding:16px}
.side-posts h3{font-size:15.5px}
.center{text-align:center;margin-top:36px}

/* About */
.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}
.founder{background:linear-gradient(160deg,var(--navy-900),var(--navy-600));border-radius:24px;padding:36px;color:#fff;position:relative;overflow:hidden}
.avatar{width:96px;height:96px;border-radius:50%;background:linear-gradient(135deg,var(--blue-400),var(--cyan-300));display:grid;place-items:center;font-size:32px;font-weight:800;color:var(--navy-950);margin-bottom:20px}
.founder h3{font-size:24px;font-weight:800}
.founder .role{color:var(--cyan-300);font-size:14px;font-weight:600;margin-bottom:16px}
.founder p{color:#b9c7e4;font-size:15px}
.values{display:grid;gap:14px;margin-top:26px}
.value{display:flex;gap:16px;align-items:flex-start;padding:18px;border-radius:14px;background:#fff;border:1px solid var(--line)}
.value .icon{margin:0;flex:none;width:42px;height:42px}
.value h4{font-size:16px;margin-bottom:2px}
.value p{color:var(--ink-2);font-size:14.5px}

/* FAQ */
.faq{max-width:820px;margin:0 auto}
details{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;padding:0 22px}
summary{list-style:none;cursor:pointer;padding:20px 0;font-weight:600;font-size:16.5px;display:flex;justify-content:space-between;gap:16px;align-items:center}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:24px;color:var(--blue-500);font-weight:400;transition:.2s}
details[open] summary::after{transform:rotate(45deg)}
details p{padding:0 0 20px;color:var(--ink-2);font-size:15.5px}

/* CTA */
.cta{background:radial-gradient(800px 400px at 50% 0%,rgba(47,107,255,.4),transparent 70%),var(--navy-950);color:#fff;text-align:center;padding:90px 0}
.cta h2{font-size:clamp(28px,4.4vw,44px);font-weight:800;letter-spacing:-.02em;line-height:1.15;max-width:760px;margin:0 auto 16px}
.cta p{color:#b9c7e4;font-size:17px;max-width:600px;margin:0 auto 30px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.contact-line{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:center;font-size:15px;color:#c9d6f2}
.contact-line a:hover{color:#fff}

/* Footer */
footer{background:var(--navy-950);color:#8fa3c8;border-top:1px solid rgba(255,255,255,.08);padding:56px 0 28px;font-size:14.5px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.foot-grid h5{color:#fff;font-size:14px;font-weight:700;margin-bottom:14px;letter-spacing:.04em;text-transform:uppercase}
.foot-grid ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.foot-grid a:hover{color:#fff}
.foot-brand p{margin:14px 0;max-width:300px}
.foot-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13.5px}

/* Floating contact */
.float-call{position:fixed;right:18px;bottom:18px;z-index:60;display:flex;flex-direction:column;gap:10px}
.float-call a{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;color:#fff;box-shadow:0 8px 24px rgba(11,29,58,.3);transition:.2s}
.float-call a:hover{transform:scale(1.06)}
.float-call .phone{background:var(--blue-500)}
.float-call .zalo{background:#0068ff;font-weight:800;font-size:13px}
.float-call svg{width:22px;height:22px}

/* Responsive */
@media (max-width:980px){
  .menu{display:none}
  .burger{display:block}
  .nav-cta .btn-primary{display:none}
  .menu.open{display:flex;flex-direction:column;position:absolute;top:68px;left:0;right:0;background:var(--navy-900);padding:12px 16px 20px;border-bottom:1px solid rgba(255,255,255,.08)}
  .menu.open a{display:block;padding:12px 14px}
  .hero-grid,.comm-grid,.about-grid,.blog-grid{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr 1fr}
  .product.featured{grid-column:span 2}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .section{padding:68px 0}
  .hero{padding:56px 0 72px}
  .grid-3,.grid-2,.comm-list,.side-posts{grid-template-columns:1fr}
  .product.featured{grid-column:span 1;grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .card{padding:22px}
  .hero-actions .btn{flex:1 1 100%}
}

/* ===== WordPress: blog, bài viết, trang ===== */
.page-hero{background:var(--navy-900);color:#fff;padding:64px 0 56px}
.page-hero h1{font-size:clamp(28px,4.4vw,44px);font-weight:800;letter-spacing:-.02em;line-height:1.15}
.page-hero p{color:#b9c7e4;margin-top:10px}
.post-thumb img{width:100%;height:100%;object-fit:cover;position:relative;z-index:1}
.posts-list{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.entry{max-width:780px;margin:0 auto;padding:56px 0 80px}
.entry-cover{border-radius:var(--radius);overflow:hidden;margin-bottom:32px}
.entry-content{font-size:17px;color:var(--ink)}
.entry-content>*+*{margin-top:1.1em}
.entry-content h2{font-size:28px;font-weight:800;margin-top:1.6em;letter-spacing:-.01em}
.entry-content h3{font-size:22px;font-weight:700;margin-top:1.4em}
.entry-content a{color:var(--blue-500);text-decoration:underline}
.entry-content ul,.entry-content ol{padding-left:1.4em}
.entry-content blockquote{border-left:4px solid var(--blue-500);padding:6px 18px;color:var(--ink-2);background:#fff;border-radius:0 10px 10px 0}
.entry-content img{border-radius:12px;height:auto}
.entry-content pre{background:var(--navy-950);color:#dbe4f7;padding:16px;border-radius:12px;overflow:auto;font-size:14px}
.pagination{display:flex;gap:8px;justify-content:center;margin-top:40px;flex-wrap:wrap}
.pagination .page-numbers{padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;font-weight:600}
.pagination .current{background:var(--navy-900);color:#fff;border-color:var(--navy-900)}
.empty-note{color:var(--ink-3);text-align:center;padding:24px;border:1px dashed var(--line);border-radius:var(--radius);background:#fff}
.screen-reader-text{position:absolute;left:-9999px}
body.admin-bar header.site{top:32px}
@media (max-width:782px){body.admin-bar header.site{top:46px}}
@media (max-width:980px){.posts-list{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.posts-list{grid-template-columns:1fr}}

/* ===== Nội dung cũ dựng bằng Flatsome ===== */
.entry-content .fs-section{margin:0 calc(50% - 50vw);padding:36px 0}
.entry-content .fs-section .container{max-width:1160px}
.fs-section.fs-dark{background:var(--navy-900);color:#fff}
.fs-section.fs-dark .fs-title h1,.fs-section.fs-dark .fs-title h2,.fs-section.fs-dark .fs-title h3{color:#fff}
.fs-row{display:flex;flex-wrap:wrap;gap:20px;margin:0}
.fs-col{flex:1 1 100%;min-width:0}
.fs-col-1{flex-basis:calc(8.333% - 20px)}.fs-col-2{flex-basis:calc(16.666% - 20px)}.fs-col-3{flex-basis:calc(25% - 20px)}
.fs-col-4{flex-basis:calc(33.333% - 20px)}.fs-col-5{flex-basis:calc(41.666% - 20px)}.fs-col-6{flex-basis:calc(50% - 20px)}
.fs-col-7{flex-basis:calc(58.333% - 20px)}.fs-col-8{flex-basis:calc(66.666% - 20px)}.fs-col-9{flex-basis:calc(75% - 20px)}
.fs-col-10{flex-basis:calc(83.333% - 20px)}.fs-col-11{flex-basis:calc(91.666% - 20px)}
.fs-title{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;border-bottom:2px solid var(--line);padding-bottom:10px;margin-bottom:20px}
.fs-title h1,.fs-title h2,.fs-title h3,.fs-title h4{margin:0;font-size:22px;font-weight:800}
.fs-img{width:100%;height:auto;border-radius:12px}
.fs-btn{margin-top:12px;text-decoration:none!important;color:#fff!important}
.fs-divider{border:0;border-top:1px solid var(--line);margin:20px 0}
.fs-posts{grid-template-columns:repeat(var(--cols,3),1fr)}
.fs-col .fs-posts{grid-template-columns:1fr}
.entry-content .post{text-decoration:none;color:inherit}
.entry-content .post h3{margin-top:0;font-size:17px}
/* Trang dựng bằng builder cần khổ rộng */
.entry.entry-wide{max-width:1160px}
@media (max-width:980px){.fs-posts{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){.fs-col{flex-basis:100%!important}.fs-posts{grid-template-columns:1fr}}

/* =====================================================
   GIAO DIỆN SÁNG: nền #fbfbfd, gradient xanh cho tiêu đề & nút
   ===================================================== */
:root{
  --bg:#fbfbfd;
  --grad:linear-gradient(120deg,#0b1d3a 0%,#16346b 45%,#2f6bff 100%);
  --grad-text:linear-gradient(90deg,#0b1d3a 0%,#1e4590 55%,#2f6bff 100%);
  --grad-bright:linear-gradient(90deg,#2f6bff 0%,#1ea0e6 100%);
}
body{background:#fbfbfd}

/* Tiêu đề gradient */
.hero h1,.section-head h2,#gioi-thieu h2,.cta h2,.page-hero h1,.entry-content h2,
.newsletter h3,.founder h3,.fs-title h1,.fs-title h2,.fs-title h3,.fs-title h4,.logo>span:last-child{
  background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero h1,.section-head h2,#gioi-thieu h2,.cta h2,.page-hero h1{display:inline-block}
.hero h1 span{background:var(--grad-bright);-webkit-background-clip:text;background-clip:text;color:transparent}
.logo small{-webkit-text-fill-color:#6b7891;color:#6b7891}
.card h3,.comm-item h4,.value h4,.post h3{color:var(--navy-900)}

/* Nút gradient */
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(22,52,107,.28)}
.btn-primary:hover{background:var(--grad);filter:brightness(1.12)}
.btn-ghost{background:#fff;border-color:#cdd7ec;color:var(--navy-700)}
.btn-ghost:hover{background:#fff;border-color:var(--navy-600);color:var(--navy-900)}
.logo-mark{background:var(--grad);color:#fff}
.float-call .phone{background:var(--grad)}

/* Thanh thông báo & header */
.announce{background:#fff;color:var(--ink-2);border-bottom:1px solid var(--line)}
.announce a{color:var(--blue-500)}
header.site{background:rgba(251,251,253,.88);border-bottom:1px solid var(--line)}
.logo{color:var(--navy-900)}
.menu a{color:var(--ink-2)}
.menu a:hover{color:var(--navy-900);background:#eef2fb}
.burger{color:var(--navy-900)}
@media (max-width:980px){.menu.open{background:#fbfbfd;border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(11,29,58,.08)}}

/* Hero */
.hero{background:radial-gradient(900px 500px at 85% -10%,rgba(47,107,255,.10),transparent 60%),radial-gradient(700px 400px at 0% 100%,rgba(30,160,230,.07),transparent 60%),#fbfbfd;color:var(--ink)}
.hero .eyebrow{color:var(--blue-500)}
.hero p.lead{color:var(--ink-2)}
.hero-note{color:var(--ink-3)}
.hero-points{color:var(--ink-2)}
.hero-points span::before{color:var(--blue-500)}

/* Khung chat minh họa */
.demo{background:#fff;border:1px solid var(--line);box-shadow:0 24px 60px rgba(11,29,58,.10)}
.demo-top{border-bottom-color:var(--line)}
.demo-top b{color:var(--navy-900)}
.demo-top .live{color:#1a8f5c}
.msg.user{background:var(--grad);color:#fff}
.msg.bot{background:#f1f4fa;color:var(--ink)}
.steps{background:#f6f8fc;border-color:#d6deee;color:var(--ink-2)}
.steps i{color:#1a8f5c}
.demo-foot{color:var(--ink-3);border-top-color:var(--line)}

/* Dịch vụ – thẻ nổi bật */
.product.featured{background:linear-gradient(135deg,#f2f6ff,#ffffff 60%);color:var(--ink);border:1px solid #d6e0f5}
.product.featured p,.product.featured .feat li{color:var(--ink-2)}
.product.featured .icon{background:var(--grad);color:#fff}
.product.featured .link{color:var(--blue-500)}
.tag.hot{background:var(--grad);color:#fff}
.mini-ui{background:#f6f8fc;border-color:var(--line)}
.mini-row{background:#fff;border:1px solid var(--line)}
.mini-row span{color:var(--ink)}
.mini-row em{color:var(--ink-3)}
.icon{background:#eef2fb;color:var(--navy-600)}

/* Các section nền sáng */
.process{background:#fbfbfd}
.community{background:#fbfbfd;color:var(--ink);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.community::after{background:radial-gradient(circle,rgba(47,107,255,.08),transparent 70%)}
.community .eyebrow{color:var(--blue-500)}
.community .section-head p{color:var(--ink-2)}
.comm-item{background:#fff;border-color:var(--line);box-shadow:var(--shadow)}
.comm-item p{color:var(--ink-2)}
.socials a{border-color:#cdd7ec;color:var(--navy-700);background:#fff}
.socials a:hover{background:#eef2fb}
.newsletter{border:1px solid var(--line);box-shadow:0 18px 48px rgba(11,29,58,.08)}

/* Giới thiệu */
.founder{background:#fff;border:1px solid var(--line);box-shadow:0 18px 48px rgba(11,29,58,.08);color:var(--ink)}
.avatar{background:var(--grad);color:#fff}
.founder .role{color:var(--blue-500)}
.founder p{color:var(--ink-2)}

/* CTA cuối trang */
.cta{background:radial-gradient(800px 360px at 50% 0%,rgba(47,107,255,.10),transparent 70%),#fbfbfd;color:var(--ink);border-top:1px solid var(--line)}
.cta p{color:var(--ink-2)}
.contact-line{color:var(--ink-2)}
.contact-line a:hover{color:var(--navy-900)}

/* Footer */
footer{background:#fbfbfd;color:var(--ink-2);border-top:1px solid var(--line)}
.foot-grid h5{color:var(--navy-900)}
.foot-grid a:hover{color:var(--blue-500)}
.foot-bottom{border-top-color:var(--line)}

/* Trang blog / bài viết / trang thường */
.page-hero{background:#fbfbfd;color:var(--ink);border-bottom:1px solid var(--line)}
.page-hero p{color:var(--ink-2)}
.page-hero .eyebrow{color:var(--blue-500)!important}
.page-hero .post-meta{color:var(--ink-3)!important}
.page-hero .post-meta b{color:var(--blue-500)!important}
.pagination .current{background:var(--grad);border-color:transparent}

/* Nội dung Flatsome cũ */
.fs-section.fs-dark{background:transparent;color:var(--ink)}

/* ===== Trang con ===== */
.ph{background:radial-gradient(900px 420px at 90% -20%,rgba(47,107,255,.10),transparent 60%),#fbfbfd;border-bottom:1px solid var(--line);padding:48px 0 64px}
.ph h1{font-size:clamp(32px,5vw,52px);line-height:1.12;font-weight:800;letter-spacing:-.025em;margin:14px 0 16px;max-width:860px;display:inline-block;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.ph-lead{font-size:18px;color:var(--ink-2);max-width:720px}
.crumb{font-size:14px;color:var(--ink-3);margin-bottom:22px}
.crumb a:hover{color:var(--blue-500)}
.crumb span{margin:0 6px}
.gtitle{font-size:clamp(26px,3.6vw,36px);line-height:1.2;font-weight:800;letter-spacing:-.02em;margin:8px 0 14px;display:inline-block;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.subnav{position:sticky;top:68px;z-index:40;background:rgba(251,251,253,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.subnav .container{display:flex;gap:6px;overflow-x:auto;padding-top:10px;padding-bottom:10px;scrollbar-width:none}
.subnav a{white-space:nowrap;font-size:14px;font-weight:600;color:var(--ink-2);padding:8px 14px;border-radius:999px}
.subnav a:hover{background:#eef2fb;color:var(--navy-900)}
body.admin-bar .subnav{top:100px}
.svc{border-bottom:1px solid var(--line)}
.svc-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.svc-rev .svc-grid>div:first-child{order:2}
.svc-desc{font-size:17px;color:var(--ink-2)}
.pain{margin:20px 0 4px;padding:14px 18px;border-radius:12px;background:#fff;border:1px solid var(--line);border-left:4px solid var(--blue-500)}
.pain b{font-size:14px;color:var(--navy-900)}
.pain p{font-size:15px;color:var(--ink-2);margin-top:2px}
.fit{font-size:15px;color:var(--ink-2);margin-bottom:22px}
.fit b{color:var(--navy-900)}
.svc-visual{background:linear-gradient(135deg,#eef3ff,#fff);border:1px solid #d6e0f5;border-radius:22px;padding:24px;box-shadow:0 18px 48px rgba(11,29,58,.08)}
.svc-cap{font-size:13px;color:var(--ink-3);text-align:center;margin-top:12px}
.pkg{display:flex;flex-direction:column}
.pkg .btn{margin-top:auto}
.pkg-sub{margin-bottom:14px}
.pkg-price{font-size:22px;font-weight:800;padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.pkg-hot{border:2px solid var(--blue-500);box-shadow:0 18px 48px rgba(47,107,255,.15)}
.steps4{grid-template-columns:repeat(4,1fr)}
.chan{display:flex;justify-content:space-between;align-items:center;gap:20px}
.chan .btn{flex:none}
.is-soon{opacity:.6;cursor:default}
.topics{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.topic{display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}
.topic span{font-size:26px;font-weight:800;line-height:1;background:var(--grad-bright);-webkit-background-clip:text;background-clip:text;color:transparent}
.topic h4{font-size:17px;color:var(--navy-900);margin-bottom:4px}
.topic p{font-size:14.5px;color:var(--ink-2)}
.nl-wide{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
.prose p{color:var(--ink-2);font-size:16.5px;margin-bottom:14px}
.mv h3{margin-top:10px}
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:start}
.contact-side{display:flex;flex-direction:column;gap:14px}
.cinfo{display:flex;align-items:center;gap:16px;padding:20px}
.cinfo .icon{margin:0;flex:none;background:var(--grad);color:#fff}
.cinfo small{display:block;font-size:13px;color:var(--ink-3)}
.cinfo b{font-size:17px;color:var(--navy-900);word-break:break-all}
.next h3{font-size:17px;margin-bottom:10px}
.next ol{padding-left:20px;color:var(--ink-2);font-size:15px;display:flex;flex-direction:column;gap:6px}
.cform{display:flex;flex-direction:column;gap:14px}
.cform label{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:600;color:var(--navy-900)}
.cform input,.cform select,.cform textarea{font:inherit;font-size:15px;font-weight:400;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:#fbfbfd;color:var(--ink);outline:none;width:100%}
.cform input:focus,.cform select:focus,.cform textarea:focus{border-color:var(--blue-500);box-shadow:0 0 0 4px rgba(47,107,255,.12);background:#fff}
.cform-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.cform .btn{align-self:flex-start}
.cform-note{font-size:13px;color:var(--ink-3)}
.cform-ok,.cform-err{padding:12px 16px;border-radius:12px;font-size:15px}
.cform-ok{background:#e8f7ef;color:#16774d}
.cform-err{background:#fdecec;color:#b42318}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;opacity:0}
@media (max-width:980px){
  .svc-grid,.contact-grid,.nl-wide{grid-template-columns:1fr}
  .svc-rev .svc-grid>div:first-child{order:0}
  .steps4{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .steps4,.topics,.cform-grid{grid-template-columns:1fr}
  .chan{flex-direction:column;align-items:flex-start}
  .ph{padding:36px 0 48px}
  .subnav{top:68px}
}

/* Nhãn nhỏ luôn nằm riêng một dòng phía trên tiêu đề */
.eyebrow{display:flex;width:fit-content}
.tag{display:block;width:fit-content}
.section-head[style*="text-align:center"] .eyebrow,.cta .eyebrow{margin-left:auto;margin-right:auto}

/* ===== Trang Blog ===== */
.blognav{display:flex;flex-wrap:wrap;gap:14px 20px;align-items:center;margin-top:26px}
.bsearch{display:flex;align-items:center;background:#fff;border:1px solid var(--line);border-radius:999px;padding:4px 4px 4px 18px;flex:0 1 340px;min-width:0}
.bsearch input{border:0;outline:0;font:inherit;font-size:15px;flex:1;min-width:0;background:transparent;padding:8px 0}
.bsearch button{border:0;width:40px;height:40px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;cursor:pointer;flex:none}
.bsearch button svg{width:18px;height:18px}
.bsearch:focus-within{border-color:var(--blue-500);box-shadow:0 0 0 4px rgba(47,107,255,.12)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-size:14px;font-weight:600;padding:9px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--ink-2);transition:.2s}
.chip:hover{border-color:var(--blue-500);color:var(--navy-900)}
.chip.on{background:var(--grad);color:#fff;border-color:transparent}
.bhead{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;flex-wrap:wrap;margin-bottom:24px}
.bhead .gtitle{margin:0}
.bdesc{color:var(--ink-2);margin:-12px 0 22px;max-width:720px}
.bcat{padding:64px 0}
.ph .eyebrow{margin-bottom:0}