/* ================= MẪU 4 – FUSION =================
   Nền trắng & chữ lớn (Clarity) · khối tối có ánh cực quang (Aurora) · màu nhấn, bo tròn, sticker (Vivid)
   Đổi màu thương hiệu: chỉ cần sửa các biến trong :root */
:root{
  --bg:#ffffff;--soft:#f5f6fb;--ink:#0e1030;--text:#2a2d4a;--muted:#646985;--line:#e7e8f0;--line2:#d6d8e4;
  --violet:#5b3df5;--cyan:#12b5d6;--coral:#ff6b4a;--mint:#14b87a;
  --night:#0b0b1f;--night2:#14143a;
  --grad:linear-gradient(110deg,#5b3df5,#12b5d6);
  --grad-warm:linear-gradient(110deg,#ff6b4a,#ff3d81 55%,#8b4dff);
  --r:20px;--r-sm:12px;
  --shadow:0 18px 40px -24px rgba(14,16,48,.28);
  --shadow-lg:0 30px 70px -30px rgba(14,16,48,.4);
}
.t-violet{--c:#5b3df5;--cs:#efebff}
.t-cyan{--c:#0b9fbf;--cs:#e0f6fb}
.t-coral{--c:#f2552f;--cs:#ffece6}
.t-mint{--c:#0f9e68;--cs:#ddf6ec}
.t-ink{--c:#0e1030;--cs:#e9eaf2}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:100px}
body{font-family:'Be Vietnam Pro',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden;overflow-x:clip}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
.ms{font-family:'Material Symbols Rounded';font-weight:normal;font-style:normal;font-size:20px;line-height:1;display:inline-block;vertical-align:middle;-webkit-font-feature-settings:'liga';font-feature-settings:'liga';font-variation-settings:'FILL' 0,'wght' 500}
.ms.fill{font-variation-settings:'FILL' 1,'wght' 500}
.wrap{width:min(1200px,100% - 40px);margin-inline:auto}
.wrap.narrow{width:min(820px,100% - 40px)}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;border-radius:10px;z-index:300}
.skip:focus{left:8px}
.muted{color:var(--muted)}
h1,h2,h3,h4{color:var(--ink);letter-spacing:-.035em;line-height:1.12;font-weight:800}
h1{font-size:clamp(36px,5.4vw,68px)}
h2{font-size:clamp(28px,3.6vw,44px)}
h3{font-size:19px;letter-spacing:-.02em;line-height:1.3;font-weight:700}
.lead{font-size:18px;color:var(--muted);line-height:1.6}
section{padding:96px 0;position:relative}
.soft{background:var(--soft)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--violet);margin-bottom:14px}
.eyebrow::before{content:"";width:18px;height:3px;border-radius:3px;background:var(--grad)}
.eyebrow.on-dark{color:#9fe6f5}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.grad-l{background:linear-gradient(110deg,#b4a6ff,#7fe3f5);-webkit-background-clip:text;background-clip:text;color:transparent}
.hl{position:relative;white-space:nowrap;z-index:0}
.hl::after{content:"";position:absolute;left:-4px;right:-4px;bottom:.08em;height:.32em;border-radius:8px;background:#ffd9cc;z-index:-1;transform:rotate(-1.5deg)}

/* Ô biểu tượng màu (Vivid) – nền nhạt, hover thành màu đậm */
.tile{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:var(--cs,#efebff);color:var(--c,var(--violet));flex-shrink:0;transition:background .25s,color .25s,transform .25s}
.tile .ms{font-size:24px}
.tile.sm{width:36px;height:36px;border-radius:11px}.tile.sm .ms{font-size:19px}
.tile.big{width:58px;height:58px;border-radius:18px}.tile.big .ms{font-size:30px}
.tile.huge{width:150px;height:150px;border-radius:44px;transform:rotate(-6deg);background:var(--c);color:#fff;box-shadow:0 26px 50px -22px var(--c)}.tile.huge .ms{font-size:80px}
.card:hover .tile:not(.huge){background:var(--c);color:#fff}

/* Nút */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:700;font-size:15px;border:1.5px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s,border-color .2s;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn .ms{font-size:19px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px -12px rgba(91,61,245,.75)}
.btn-primary:hover{box-shadow:0 16px 30px -12px rgba(91,61,245,.9)}
.btn-line,.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line2)}
.btn-line:hover,.btn-ghost:hover{border-color:var(--ink)}
.btn-white{background:#fff;color:var(--ink)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-lg{padding:15px 26px;font-size:16px}
.btn-block{width:100%}

/* Thẻ */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);transition:transform .25s,box-shadow .25s,border-color .25s}
a.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}

/* ---------- Header dạng viên thuốc nổi (Vivid) + tối giản (Clarity) ---------- */
.hdr{position:sticky;top:12px;z-index:100;margin-top:12px}
.hdr-in{position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;height:66px;padding:0 10px 0 18px;border-radius:999px;background:rgba(255,255,255,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--line);transition:box-shadow .25s}
.hdr.scrolled .hdr-in{box-shadow:var(--shadow)}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:21px;letter-spacing:-.04em;color:var(--ink);flex-shrink:0}
.logo b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.logo-mark{width:38px;height:38px}
.logo.on-dark{color:#fff}
.logo.on-dark b{background:none;color:#7fe3f5}
.nav ul{display:flex;list-style:none;gap:2px}
.nav ul a{display:flex;align-items:center;gap:2px;padding:9px 14px;border-radius:999px;font-weight:600;font-size:15px;color:var(--muted);transition:color .2s,background .2s}
.nav ul a:hover{color:var(--ink);background:var(--soft)}
.nav ul a.active{color:var(--violet);background:#efebff}
.caret{font-size:18px;transition:transform .2s}
.mega{position:absolute;left:0;right:0;top:calc(100% + 10px);display:grid;grid-template-columns:2fr 1fr;gap:10px;padding:12px;border-radius:26px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transform:translateY(6px);transition:all .2s}
.mega::before{content:"";position:absolute;left:0;right:0;top:-14px;height:14px}
.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:none}
.has-mega:hover .caret{transform:rotate(180deg)}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:4px}
.nav .mega-item{display:flex;gap:12px;align-items:center;padding:12px;border-radius:16px;color:var(--text)}
.nav .mega-item:hover{background:var(--soft)}
.mega-item:hover .tile{background:var(--c);color:#fff}
.mega-item b{display:block;color:var(--ink);font-size:15px}
.mega-item small{color:var(--muted);font-size:13px;font-weight:500}
.nav .mega-feature{display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-end;gap:4px;padding:20px;border-radius:18px;background:var(--night) radial-gradient(circle at 80% 0%,rgba(91,61,245,.7),transparent 60%);color:#fff;min-height:150px}
.nav .mega-feature:hover{background-color:var(--night2);color:#fff}
.mega-feature small{font-size:11px;letter-spacing:.1em;color:#9fe6f5;font-weight:700}
.mega-feature b{font-size:17px;line-height:1.3}
.mega-feature span{font-size:13px;color:#c9c6ff;display:flex;align-items:center;gap:4px}
.nav-m-cta{display:none}
.hdr-actions{display:flex;gap:10px;align-items:center}
.hdr-phone{display:flex;align-items:center;gap:6px;font-weight:700;font-size:14px;color:var(--ink);padding:0 6px}
.hdr-phone .ms{font-size:18px;color:var(--violet)}
.menu-btn{display:none;width:44px;height:44px;border-radius:50%;border:1px solid var(--line2);background:#fff;cursor:pointer;place-items:center}

/* ---------- Nền lưới & ánh cực quang (Aurora phiên bản sáng) ---------- */
.mesh{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:0}
.mesh i{position:absolute;border-radius:50%;filter:blur(70px);opacity:.45;animation:drift 18s ease-in-out infinite alternate}
.mesh i:nth-child(1){width:520px;height:520px;background:#c8bdff;top:-200px;right:-80px}
.mesh i:nth-child(2){width:420px;height:420px;background:#b5ecf7;top:40px;right:28%;animation-delay:-6s}
.mesh i:nth-child(3){width:300px;height:300px;background:#ffd6c9;bottom:-120px;left:-60px;animation-delay:-12s}
@keyframes drift{to{transform:translate(40px,30px) scale(1.08)}}
.grid-bg{position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:radial-gradient(ellipse at 70% 30%,#000 10%,transparent 65%);mask-image:radial-gradient(ellipse at 70% 30%,#000 10%,transparent 65%);opacity:.7}
.glow{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.glow i{position:absolute;border-radius:50%;filter:blur(90px);opacity:.55}
.glow i:nth-child(1){width:480px;height:480px;background:#5b3df5;top:-220px;left:-120px}
.glow i:nth-child(2){width:420px;height:420px;background:#0aa5c4;bottom:-240px;right:-80px}

/* ---------- Hero ---------- */
.hero{padding:70px 0 40px;margin-top:-78px;padding-top:150px;overflow:hidden}
.hero-in{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.pill-live{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--ink);margin-bottom:22px;box-shadow:0 6px 20px -12px rgba(14,16,48,.25)}
.pill-live i{width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(20,184,122,.2);animation:pulse 1.8s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 8px rgba(20,184,122,0)}}
.hero h1{margin-bottom:22px}
.hero .lead{max-width:560px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.hero-trust{display:flex;align-items:center;gap:14px;margin-top:30px;font-size:14px;color:var(--muted)}
.hero-trust b{color:var(--ink)}
.avatars{display:flex}
.avatars i{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-style:normal;font-size:12px;font-weight:700;color:#fff;border:2px solid #fff;margin-left:-8px}
.avatars i:first-child{margin-left:0;background:var(--violet)}.avatars i:nth-child(2){background:var(--cyan)}.avatars i:nth-child(3){background:var(--coral)}.avatars i:nth-child(4){background:var(--ink)}
.hero-visual{position:relative;padding:20px 0}
.flow-card{position:relative;border-radius:28px;padding:20px;background:var(--night) radial-gradient(circle at 100% 0%,rgba(91,61,245,.55),transparent 55%) ;color:#fff;box-shadow:var(--shadow-lg);overflow:hidden}
.flow-card::after{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;background:linear-gradient(140deg,rgba(255,255,255,.35),rgba(255,255,255,0) 40%,rgba(18,181,214,.5));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.flow-head{display:flex;align-items:center;gap:10px;font-size:13px;margin-bottom:16px;color:#c9c8ec}
.flow-head b{font-weight:600}
.dots{display:flex;gap:5px}.dots i{width:9px;height:9px;border-radius:50%;background:#ff5f57}.dots i:nth-child(2){background:#febc2e}.dots i:nth-child(3){background:#28c840}
.live{margin-left:auto;font-size:11px;font-weight:700;color:#5ef0b4;letter-spacing:.06em}
.flow-step{position:relative;display:flex;align-items:center;gap:12px;padding:13px 14px;border-radius:16px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);margin-top:10px;opacity:0;animation:stepIn .6s ease forwards;animation-delay:calc(var(--d) * .45s + .3s)}
.flow-step + .flow-step::before{content:"";position:absolute;left:31px;top:-11px;width:2px;height:10px;background:linear-gradient(#7c66ff,#12b5d6)}
.flow-step b{display:block;font-size:14px;color:#fff;font-weight:600}
.flow-step small{font-size:12px;color:#a9a8cf}
.flow-step .tile{background:rgba(255,255,255,.1);color:#fff}
.flow-step .ok{margin-left:auto;color:#5ef0b4}
@keyframes stepIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.sticker{position:absolute;display:flex;align-items:center;gap:8px;padding:10px 14px;border-radius:16px;background:#fff;box-shadow:var(--shadow);border:1px solid var(--line);font-size:13px;color:var(--muted);animation:float 5s ease-in-out infinite}
.sticker b{color:var(--ink);font-size:16px}
.sticker .ms{width:30px;height:30px;border-radius:10px;display:grid;place-items:center;font-size:18px}
.s1{top:-6px;right:-18px;transform:rotate(3deg)}.s1 .ms{background:#ddf6ec;color:var(--mint)}
.s2{bottom:-8px;left:-26px;transform:rotate(-3deg);animation-delay:-2.5s}.s2 .ms{background:#ffece6;color:var(--coral)}
@keyframes float{50%{translate:0 -8px}}
.tech-strip{position:relative;z-index:1;display:flex;align-items:center;gap:24px;margin-top:64px;padding-top:26px;border-top:1px solid var(--line)}
.tech-strip>span{font-size:13px;font-weight:600;color:var(--muted);white-space:nowrap}
.marquee{overflow:hidden;flex:1;-webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.marquee div{display:flex;gap:48px;width:max-content;animation:marq 26s linear infinite}
.marquee b{font-size:17px;color:#9a9db5;font-weight:700;white-space:nowrap}
@keyframes marq{to{transform:translateX(-50%)}}

/* ---------- Số liệu: dải tối (Aurora) ---------- */
.stats-sec{padding:0}
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-radius:28px;background:var(--night) radial-gradient(circle at 10% 0%,rgba(91,61,245,.5),transparent 50%),radial-gradient(circle at 90% 100%,rgba(18,181,214,.35),transparent 50%);padding:38px 20px;color:#c9c8ec}
.stat{text-align:center;padding:6px 16px}
.stat + .stat{border-left:1px solid rgba(255,255,255,.1)}
.stat b{display:block;font-size:clamp(32px,3.6vw,46px);font-weight:800;letter-spacing:-.04em;line-height:1.1;background:linear-gradient(110deg,#fff,#9fe6f5);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{font-size:14px}

/* ---------- Tiêu đề khối ---------- */
.sec-head{max-width:680px;margin-bottom:48px}
.sec-head.center{text-align:center;margin-inline:auto}
.sec-head.center .eyebrow{justify-content:center}
.sec-head p{font-size:17px;color:var(--muted);margin-top:14px}
.sec-row{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:48px}
.sec-row .sec-head{margin-bottom:0}

/* ---------- Bento giải pháp ---------- */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.bento-item{padding:28px;display:flex;flex-direction:column;gap:12px}
.b0{grid-column:span 4}.b1{grid-column:span 2}.b2{grid-column:span 2}.b3{grid-column:span 4}
.bento-item p{color:var(--muted);font-size:15px}
.bento-item ul{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:6px 14px;font-size:14px;color:var(--text)}
.b1 ul,.b2 ul{grid-template-columns:1fr}
.bento-item li{display:flex;gap:6px;align-items:flex-start}
.bento-item li .ms{font-size:18px;color:var(--c,var(--mint))}
.b-foot{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:16px;border-top:1px dashed var(--line2);font-size:14px;color:var(--muted)}
.b-foot b{color:var(--ink)}
.go,.p-go{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--soft);color:var(--ink);transition:all .25s}
a.card:hover .go,a.card:hover .p-go{background:var(--grad);color:#fff;transform:rotate(45deg)}
.b0{background:linear-gradient(160deg,#fff 55%,#f1eeff)}
.b3{background:linear-gradient(160deg,#fff 55%,#e6f8f1)}

/* ---------- Phòng thử AI: khối tối ---------- */
.lab{background:var(--night);color:#c9c8ec;overflow:hidden}
.lab-in{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.lab h2{color:#fff;margin-bottom:16px}
.lab p{margin-bottom:26px;font-size:17px}
.lab-chat{display:flex;flex-direction:column;gap:10px;padding:22px;border-radius:26px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);backdrop-filter:blur(8px)}
.msg{max-width:84%;padding:11px 15px;border-radius:18px;font-size:14px;line-height:1.5}
.msg.me{align-self:flex-end;background:var(--grad);color:#fff;border-bottom-right-radius:6px}
.msg.bot{align-self:flex-start;background:#fff;color:var(--text);border-bottom-left-radius:6px;border:1px solid var(--line)}
.lab .msg.bot{background:rgba(255,255,255,.1);color:#fff;border-color:transparent}
.msg.typing{display:flex;gap:4px;padding:14px 16px}
.msg.typing i{width:7px;height:7px;border-radius:50%;background:currentColor;opacity:.5;animation:typing 1.2s infinite}
.msg.typing i:nth-child(2){animation-delay:.2s}.msg.typing i:nth-child(3){animation-delay:.4s}
@keyframes typing{50%{opacity:1;transform:translateY(-3px)}}

/* ---------- Sản phẩm ---------- */
.p-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.p-grid.four{grid-template-columns:repeat(4,1fr)}
.p-card{padding:22px;display:flex;flex-direction:column;gap:8px}
.p-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:6px}
.badge{font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;background:#ffece6;color:#e0461f}
.p-cat{font-size:12px;font-weight:700;color:var(--violet);text-transform:uppercase;letter-spacing:.05em}
.p-card h3{font-size:17px}
.p-card p{font-size:14px;color:var(--muted);flex:1}
.p-meta{display:flex;gap:14px;font-size:13px;color:var(--muted)}
.p-meta span{display:flex;align-items:center;gap:4px}
.p-meta .ms{font-size:16px}.p-meta .fill{color:#ffb020}
.p-foot{display:flex;justify-content:space-between;align-items:flex-end;padding-top:14px;margin-top:6px;border-top:1px solid var(--line)}
.p-price{font-weight:800;color:var(--ink);font-size:17px;letter-spacing:-.02em}
.p-price small{font-size:12px;font-weight:500;color:var(--muted);letter-spacing:0;margin-left:2px}
.p-price small:first-child{display:block;margin-left:0}

/* ---------- Công cụ ROI & quiz ---------- */
.tools{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.tools.one{grid-template-columns:minmax(0,640px);justify-content:center}
.tool{padding:28px}
.tool-head{display:flex;gap:14px;align-items:center;margin-bottom:22px}
.tool-head p{font-size:14px}
.range{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:16px}
.range b{float:right;color:var(--violet)}
input[type=range]{width:100%;margin-top:8px;accent-color:var(--violet)}
.roi-out{display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:10px;margin-top:8px}
.roi-out div{padding:14px;border-radius:14px;background:var(--soft)}
.roi-out small{display:block;font-size:12px;color:var(--muted)}
.roi-out b{font-size:18px;color:var(--ink);letter-spacing:-.02em}
.roi-out .big{background:var(--night);background-image:radial-gradient(circle at 100% 0,rgba(91,61,245,.6),transparent 60%)}
.roi-out .big small{color:#a9a8cf}.roi-out .big b{color:#fff;font-size:22px}
.roi-bar{height:8px;border-radius:9px;background:var(--soft);margin-top:14px;overflow:hidden}
.roi-bar span{display:block;height:100%;border-radius:inherit;background:var(--grad);transition:width .4s}
.quiz-progress{height:6px;border-radius:6px;background:var(--soft);overflow:hidden;margin-bottom:14px}
.quiz-progress span{display:block;height:100%;background:var(--grad-warm);transition:width .3s}
.quiz-step{font-size:13px;font-weight:700;color:var(--coral)}
.quiz-q{font-size:19px;margin:6px 0 16px}
.quiz-options{display:grid;gap:10px}
.quiz-options button{text-align:left;padding:14px 16px;border-radius:14px;border:1.5px solid var(--line);background:#fff;cursor:pointer;font-weight:600;transition:all .2s}
.quiz-options button:hover{border-color:var(--violet);background:#efebff;color:var(--violet)}
.quiz-result{text-align:center}
.quiz-score{display:inline-flex;flex-direction:column;align-items:center;width:130px;height:130px;justify-content:center;border-radius:50%;background:conic-gradient(var(--violet),var(--cyan),var(--violet));color:#fff;margin-bottom:14px;padding:12px}
.quiz-score b{font-size:34px;line-height:1}.quiz-score span{font-size:11px;line-height:1.3}
.quiz-result p{color:var(--muted);margin:8px 0 16px}
.quiz-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.quiz-restart{margin-top:12px;border:0;background:none;color:var(--muted);text-decoration:underline;cursor:pointer}

/* ---------- Ngành nghề ---------- */
.ind-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.ind{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:16px;border:1px solid var(--line);background:#fff;font-weight:600;color:var(--ink);transition:all .25s}
.ind:hover{border-color:transparent;box-shadow:var(--shadow);transform:translateY(-2px)}
.ind:hover .tile{background:var(--c);color:#fff}

/* ---------- Dự án ---------- */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case{padding:26px;display:flex;flex-direction:column;gap:8px}
.case-metric{padding:18px;border-radius:16px;background:var(--cs);margin-bottom:8px}
.case-metric b{display:block;font-size:40px;font-weight:800;letter-spacing:-.04em;line-height:1;color:var(--c)}
.case-metric span{font-size:13px;color:var(--text)}
.case-ind{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.case-client{font-size:14px;color:var(--muted)}
.case blockquote{font-size:15px;font-style:italic;color:var(--text);padding-left:12px;border-left:3px solid var(--line2);flex:1}
.case-tags{display:flex;flex-wrap:wrap;gap:6px}
.case-tags span{font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;background:var(--soft);color:var(--ink);border:1px solid var(--line)}

/* ---------- Quy trình ---------- */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:s}
.step{position:relative;padding:26px;border-radius:var(--r);background:#fff;border:1px solid var(--line)}
.soft .step{background:#fff}
.step-n{position:absolute;top:20px;right:22px;font-size:40px;font-weight:800;letter-spacing:-.05em;color:transparent;-webkit-text-stroke:1.5px var(--line2)}
.step h3{margin:16px 0 6px}
.step p{font-size:14px;color:var(--muted)}

/* ---------- Bảng giá ---------- */
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
.plan{position:relative;padding:30px;display:flex;flex-direction:column}
.plan h3{font-size:21px}
.plan>.muted{font-size:14px;margin-top:4px}
.plan-price{margin:20px 0;display:flex;align-items:baseline;gap:4px}
.plan-price b{font-size:34px;font-weight:800;letter-spacing:-.04em;color:var(--ink)}
.plan-price span{color:var(--muted);font-size:14px}
.plan ul{list-style:none;display:grid;gap:10px;margin-bottom:26px;flex:1;font-size:15px}
.plan li{display:flex;gap:8px;align-items:flex-start}
.plan li .ms{color:var(--mint);font-size:19px;margin-top:2px}
.plan.featured{background:var(--night) radial-gradient(circle at 100% 0,rgba(91,61,245,.65),transparent 55%);color:#c9c8ec;border-color:transparent;box-shadow:var(--shadow-lg);transform:translateY(-8px)}
.plan.featured h3,.plan.featured .plan-price b{color:#fff}
.plan.featured .muted,.plan.featured .plan-price span{color:#a9a8cf}
.plan.featured li .ms{color:#5ef0b4}
.plan-tag{position:absolute;top:-13px;left:30px;padding:5px 12px;border-radius:999px;background:var(--grad-warm);color:#fff;font-size:12px;font-weight:700;box-shadow:0 10px 20px -10px rgba(255,61,129,.8)}
.pricing.small .plan{padding:22px}
.pricing.small .plan.featured{transform:none}
.pricing.small .plan-price b{font-size:24px}

/* ---------- Cảm nhận ---------- */
.testi{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.t{padding:26px;display:flex;flex-direction:column;gap:14px}
.stars{color:#ffb020;letter-spacing:2px}
.t blockquote{font-size:16px;color:var(--ink);flex:1}
.t figcaption{display:flex;gap:12px;align-items:center}
.t figcaption i{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-style:normal;font-weight:800;background:var(--cs);color:var(--c)}
.t figcaption b{display:block;font-size:15px;color:var(--ink)}
.t figcaption small{font-size:13px;color:var(--muted)}

/* ---------- Bài viết ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.post{overflow:hidden;display:flex;flex-direction:column}
.post-cover{position:relative;height:170px;display:grid;place-items:center;overflow:hidden;background:var(--cs);color:var(--c)}
.post-cover::before{content:"";position:absolute;width:220px;height:220px;border-radius:50%;background:var(--c);opacity:.14;right:-60px;top:-80px}
.post-cover::after{content:"";position:absolute;width:140px;height:140px;border-radius:40px;border:2px solid var(--c);opacity:.18;left:-30px;bottom:-50px;transform:rotate(20deg)}
.post-cover .ms{font-size:64px;position:relative;z-index:1;transition:transform .4s}
.post:hover .post-cover .ms{transform:scale(1.1) rotate(-6deg)}
.post-cover.big{height:100%;min-height:280px}.post-cover.big .ms{font-size:110px}
.c-violet{--c:#5b3df5;--cs:#efebff}.c-cyan{--c:#0b9fbf;--cs:#e0f6fb}.c-coral{--c:#f2552f;--cs:#ffece6}.c-mint{--c:#0f9e68;--cs:#ddf6ec}
.c-ink{--c:#9fe6f5;--cs:#0e1030}
.post-cat{position:absolute;left:14px;top:14px;z-index:1;padding:4px 11px;border-radius:999px;background:#fff;color:var(--ink);font-size:12px;font-weight:700}
.post-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:8px}
.post-meta{font-size:13px;color:var(--muted)}
.post h3{font-size:17px}
.post p{font-size:14px;color:var(--muted)}

/* ---------- Hỏi đáp & form ---------- */
.two{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.faq{display:grid;gap:10px}
.faq details{border:1px solid var(--line);border-radius:16px;background:#fff;padding:0 20px;transition:border-color .2s}
.faq details[open]{border-color:var(--violet);box-shadow:0 0 0 3px #efebff}
.faq summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px;padding:17px 0;font-weight:700;color:var(--ink);cursor:pointer}
.faq summary::-webkit-details-marker{display:none}
.faq summary .ms{transition:transform .25s;color:var(--violet)}
.faq details[open] summary .ms{transform:rotate(45deg)}
.faq p{padding-bottom:18px;color:var(--muted);font-size:15px}
.form-card{padding:30px}
.lead-form h3{font-size:22px}
.lead-form>.muted{font-size:14px;margin:4px 0 20px}
.f-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.f-grid.one{grid-template-columns:1fr}
.f-grid .full{grid-column:1/-1}
.lead-form label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:var(--ink)}
.lead-form input:not([type=checkbox]),.lead-form select,.lead-form textarea,.filters select,.nl-form input{width:100%;padding:12px 14px;border-radius:12px;border:1.5px solid var(--line);background:#fff;font-size:15px;font-weight:400;transition:border-color .2s,box-shadow .2s}
.lead-form input:focus,.lead-form select:focus,.lead-form textarea:focus,.filters select:focus,.nl-form input:focus,.search:focus-within{outline:none;border-color:var(--violet);box-shadow:0 0 0 4px #efebff}
.lead-form .consent{flex-direction:row;align-items:flex-start;gap:8px;font-weight:400;color:var(--muted);margin:16px 0;font-size:13px}
.consent input{margin-top:3px;accent-color:var(--violet)}
.form-success{text-align:center;padding:30px 10px}
.form-success .ms{font-size:56px;color:var(--mint)}
.form-success h4{font-size:22px;margin:8px 0}
.form-success p{color:var(--muted);font-size:15px}

/* ---------- Footer: tối + cực quang ---------- */
.ftr{position:relative;background:var(--night);color:#a9a8cf;padding:80px 0 30px;overflow:hidden;font-size:15px}
.ftr .wrap{position:relative}
.ftr-cta{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:38px 40px;border-radius:28px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);margin-bottom:64px}
.ftr-cta h3{color:#fff;font-size:clamp(24px,2.6vw,32px)}
.ftr-cta p{margin-top:6px}
.ftr-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}
.ftr-about{margin:16px 0 18px;font-size:14px;max-width:320px}
.socials{display:flex;gap:8px}
.socials a{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:rgba(255,255,255,.08);color:#fff;font-weight:700;font-size:14px;transition:background .2s}
.socials a:hover{background:var(--violet)}
.ftr h4{color:#fff;font-size:15px;letter-spacing:0;margin-bottom:16px}
.ftr ul{list-style:none;display:grid;gap:10px;font-size:14px}
.ftr ul a:hover{color:#fff}
.contact-list li{display:flex;gap:10px;align-items:flex-start}
.contact-list .ms{font-size:18px;color:#7fe3f5;margin-top:2px}
.ftr-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:56px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);font-size:13px}
.ftr-bottom a:hover{color:#fff}
.m-cta{display:none}

/* ---------- Đầu trang con ---------- */
.page-head{padding:150px 0 70px;margin-top:-78px;overflow:hidden;border-bottom:1px solid var(--line)}
.page-head .wrap{position:relative;z-index:1}
.page-head h1{font-size:clamp(34px,4.6vw,58px);max-width:900px;margin-bottom:16px}
.page-head p{font-size:18px;color:var(--muted);max-width:680px}
.crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px}
.crumb a:hover{color:var(--violet)}
.crumb b{color:var(--ink);font-weight:600}

/* ---------- Giới thiệu ---------- */
.story{display:grid;grid-template-columns:1.2fr .8fr;gap:56px;align-items:center}
.story h2{margin-bottom:18px}
.story p{color:var(--muted);font-size:17px;margin-bottom:14px}
.story-visual{display:flex;flex-direction:column;align-items:center;gap:24px;padding:40px 24px;border-radius:32px;background:var(--night) radial-gradient(circle at 50% 0%,rgba(91,61,245,.6),transparent 60%);color:#fff}
.story-visual>img{width:120px;height:120px;filter:drop-shadow(0 20px 30px rgba(18,181,214,.4))}
.name-split{display:flex;align-items:center;gap:14px}
.name-split span{text-align:center}
.name-split b{display:block;font-size:24px;letter-spacing:-.03em}
.name-split small{color:#a9a8cf;font-size:13px}
.name-split .ms{color:#ff8a5c}
.mv{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.mv-card{padding:34px}
.mv-card h3{font-size:24px;margin:18px 0 10px}
.mv-card p{font-size:17px;color:var(--muted)}
.mv-card.dark{background:var(--night) radial-gradient(circle at 100% 0,rgba(18,181,214,.4),transparent 55%);border-color:transparent}
.mv-card.dark h3{color:#fff}.mv-card.dark p{color:#c9c8ec}
.mv-card.dark .tile{background:rgba(255,255,255,.1);color:#7fe3f5}
.values{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.value{padding:26px}
.value h3{margin:16px 0 6px}
.value p{font-size:14px;color:var(--muted)}
.why{display:grid;grid-template-columns:repeat(3,1fr);gap:28px 36px}
.why-item{display:flex;gap:14px}
.why-item h3{font-size:17px;margin-bottom:4px}
.why-item p{font-size:14px;color:var(--muted)}
.timeline{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.timeline::before{content:"";position:absolute;left:0;right:0;top:22px;height:2px;background:linear-gradient(90deg,var(--violet),var(--cyan),var(--coral),var(--mint));opacity:.35}
.timeline li{position:relative;padding-top:4px}
.t-year{display:inline-block;padding:9px 16px;border-radius:999px;background:var(--cs);color:var(--c);font-weight:800;font-size:15px;margin-bottom:16px;border:3px solid var(--soft)}
.timeline h3{margin-bottom:4px}
.timeline p{font-size:14px;color:var(--muted)}
.team{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.member{padding:26px;text-align:center}
.avatar{width:84px;height:84px;margin:0 auto 14px;border-radius:28px;display:grid;place-items:center;background:var(--cs);color:var(--c);transform:rotate(-4deg)}
.avatar .ms{font-size:44px}
.role{display:block;font-size:13px;font-weight:700;color:var(--violet);margin:4px 0 8px}
.member p{font-size:14px;color:var(--muted)}
.legal{display:grid;gap:0;border:1px solid var(--line);border-radius:var(--r);background:#fff;overflow:hidden}
.legal div{display:grid;grid-template-columns:160px 1fr;gap:12px;padding:14px 20px;font-size:15px}
.legal div + div{border-top:1px solid var(--line)}
.legal dt{color:var(--muted)}
.legal dd{color:var(--ink);font-weight:600}

/* ---------- Bộ nhận diện ---------- */
.logo-ideas{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.idea{position:relative;padding:22px;display:flex;flex-direction:column;gap:8px}
.idea.best{border:2px solid var(--violet);box-shadow:0 0 0 5px #efebff}
.idea-show{display:flex;flex-direction:column;align-items:center;gap:16px;padding:26px 10px;border-radius:16px;background:var(--soft);margin-bottom:10px}
.idea-show>img{width:88px;height:88px}
.idea-word{display:flex;align-items:center;gap:8px;font-weight:800;font-size:19px;letter-spacing:-.04em;color:var(--ink)}
.idea-word b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.idea p{font-size:14px;color:var(--muted)}
.idea .fit{display:flex;gap:8px;padding:10px 12px;border-radius:12px;background:#fff8e6;color:#7a5a00;font-size:13px;margin-top:auto}
.idea .fit .ms{font-size:18px;color:#e0a100}
.idea .btn,.idea-on{margin-top:6px;align-self:flex-start}
.idea-on{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:var(--violet)}
.plan-tag.new{background:var(--grad);box-shadow:0 10px 20px -10px rgba(91,61,245,.8)}
.logo-preview-bar{position:relative;z-index:90;display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;margin-top:10px;padding:10px 16px;border-radius:16px;background:#fff8e6;border:1px solid #ffe2a3;color:#7a5a00;font-size:14px}
.logo-preview-bar a{font-weight:700;color:var(--violet);text-decoration:underline}
.logo-sizes{margin-top:22px;padding:26px}
.sizes{display:flex;flex-wrap:wrap;align-items:flex-end;gap:26px;margin-top:18px}
.sizes figure{display:flex;flex-direction:column;align-items:center;gap:8px}
.sizes figcaption{font-size:12px;color:var(--muted)}
.on-dark-box,.on-light-box{padding:18px 20px;border-radius:16px}
.on-dark-box{background:var(--night)}.on-dark-box figcaption{color:#a9a8cf}
.on-light-box{background:var(--soft)}
.swatches{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.swatch{display:flex;flex-direction:column;gap:2px;font-size:13px}
.swatch span{height:96px;border-radius:18px;margin-bottom:10px;border:1px solid rgba(14,16,48,.08)}
.swatch b{color:var(--ink);font-size:15px}
.swatch code{color:var(--violet);font-weight:600}
.swatch small{color:var(--muted)}
.grad-bar{margin-top:20px;height:70px;border-radius:18px;background:var(--grad);display:flex;align-items:center;padding:0 22px;color:#fff;font-weight:700}
.type-demo{padding:26px;border-radius:var(--r);border:1px solid var(--line)}
.type-demo .t1{display:block;font-size:52px;letter-spacing:-.04em;color:var(--ink);line-height:1.1}
.type-demo .t2{display:block;font-size:22px;color:var(--ink);margin:12px 0 8px;letter-spacing:-.03em}
.type-demo p{color:var(--muted)}
.voice{list-style:none;display:grid;gap:10px}
.voice li{display:flex;gap:10px;align-items:flex-start;padding:12px 16px;border-radius:14px;background:#ddf6ec;color:#0b5c3d;font-size:15px}
.voice li .ms{color:var(--mint)}
.voice li.no{background:#ffece6;color:#8a2a12}.voice li.no .ms{color:var(--coral)}
.howto{padding-left:20px;display:grid;gap:14px;color:var(--text)}
.howto li::marker{color:var(--violet);font-weight:800}
code{font-family:ui-monospace,Consolas,monospace;font-size:.9em;padding:2px 6px;border-radius:6px;background:#efebff;color:var(--violet)}
.checklist{padding:28px}
.checklist h3{display:flex;align-items:center;gap:8px;margin-bottom:16px}
.checklist h3 .ms{color:var(--coral)}
.checklist ul{list-style:none;display:grid;gap:10px;font-size:15px}
.checklist li{display:flex;gap:10px;align-items:flex-start}
.checklist li .ms{color:var(--line2)}

/* ---------- Trang giải pháp ---------- */
.svc-nav-wrap{position:sticky;top:90px;z-index:50;padding:12px 0;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.svc-nav{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none}
.svc-nav a{display:flex;align-items:center;gap:6px;padding:8px 16px;border-radius:999px;border:1px solid var(--line);font-weight:600;font-size:14px;white-space:nowrap;background:#fff}
.svc-nav a:hover{border-color:var(--violet);color:var(--violet)}
.svc-in{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.svc.alt .svc-copy{order:2}
.svc h2{margin-bottom:14px}
.svc-list{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:22px 0}
.svc-list li{display:flex;gap:8px;font-weight:500}
.svc-list .ms{color:var(--mint)}
.svc-result{display:flex;gap:12px;align-items:center;padding:16px 18px;border-radius:16px;background:#fff;border:1px solid var(--line);margin-bottom:24px}
.svc-result>.ms{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:#ddf6ec;color:var(--mint)}
.svc-result small{display:block;font-size:12px;color:var(--muted)}
.svc-result b{color:var(--ink)}
.svc-cta{display:flex;gap:10px;flex-wrap:wrap}
.svc-visual{position:relative;min-height:400px;border-radius:32px;background:var(--cs);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:40px 30px;overflow:hidden}
.v-violet{--c:#5b3df5;--cs:#efebff}.v-cyan{--c:#0b9fbf;--cs:#e0f6fb}.v-coral{--c:#f2552f;--cs:#ffece6}.v-mint{--c:#0f9e68;--cs:#ddf6ec}
.svc-visual .tile.huge{margin-bottom:24px}
.svc-prod{display:flex;gap:12px;align-items:center;width:min(320px,100%);padding:12px 16px;border-radius:16px;background:#fff;box-shadow:var(--shadow);transition:transform .2s}
.svc-prod:hover{transform:translateX(6px)}
.svc-prod>.ms{color:var(--c)}
.svc-prod b{display:block;font-size:14px;color:var(--ink)}
.svc-prod small{font-size:12px;color:var(--muted)}

/* ---------- Danh mục ---------- */
.catalog{padding-top:50px}
.filters{padding:18px;display:flex;flex-direction:column;gap:14px;margin-bottom:20px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:#fff;font-weight:600;font-size:14px;cursor:pointer;transition:all .2s}
.chip:hover{border-color:var(--violet);color:var(--violet)}
.chip.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.filter-row{display:grid;grid-template-columns:1fr 200px 200px;gap:10px}
.search{display:flex;align-items:center;gap:8px;padding:0 14px;border-radius:12px;border:1.5px solid var(--line);background:#fff}
.search .ms{color:var(--muted)}
.search input{border:0;outline:0;padding:12px 0;width:100%;background:none}
.result-count{font-size:14px;color:var(--muted);margin-bottom:16px}
.result-count b{color:var(--ink)}
.empty{grid-column:1/-1;text-align:center;padding:40px;color:var(--muted)}
.help-box{display:flex;align-items:center;gap:20px;padding:26px;margin-top:30px}
.help-box div{flex:1}
.help-box p{color:var(--muted);font-size:15px}

/* ---------- Chi tiết sản phẩm ---------- */
.pd-head{padding-bottom:70px}
.pd-top{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.pd-tags{display:flex;gap:10px;align-items:center;margin-bottom:12px}
.pd-copy h1{font-size:clamp(32px,4vw,50px)}
.pd-facts{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14px;color:var(--muted);margin:20px 0}
.pd-facts span{display:flex;align-items:center;gap:6px}
.pd-facts .ms{font-size:18px;color:var(--violet)}.pd-facts .fill{color:#ffb020}
.pd-facts b{color:var(--ink)}
.pd-price small{display:block;font-size:13px;color:var(--muted)}
.pd-price b{font-size:34px;font-weight:800;letter-spacing:-.04em;color:var(--ink)}
.pd-price b small{display:inline;font-size:16px;font-weight:500}
.pd-screen{padding:20px;border-radius:28px;background:var(--night) radial-gradient(circle at 100% 0,rgba(91,61,245,.55),transparent 55%);color:#c9c8ec;box-shadow:var(--shadow-lg)}
.pd-screen .bar{display:flex;gap:5px;align-items:center;margin-bottom:18px}
.pd-screen .bar i{width:9px;height:9px;border-radius:50%;background:#ff5f57}.pd-screen .bar i:nth-child(2){background:#febc2e}.pd-screen .bar i:nth-child(3){background:#28c840}
.pd-screen .bar .tile{margin-left:auto;background:rgba(255,255,255,.1);color:#fff}
.pd-row{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:12px}
.pd-row b{color:#fff}.pd-row small{font-size:12px}
.pd-chart{display:flex;align-items:flex-end;gap:10px;height:150px;padding:10px;border-radius:16px;background:rgba(255,255,255,.04)}
.pd-chart i{flex:1;border-radius:8px 8px 4px 4px;background:var(--grad)}
.pd-kpi{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:12px}
.pd-kpi div{padding:12px;border-radius:14px;background:rgba(255,255,255,.06)}
.pd-kpi b{display:block;color:#fff;font-size:20px}.pd-kpi small{font-size:12px}
.pd-body{padding-top:60px}
.pd-layout{display:grid;grid-template-columns:1fr 360px;gap:40px;align-items:start}
.pd-layout>*{min-width:0}
.tabs{display:flex;gap:4px;padding:5px;border-radius:999px;background:var(--soft);margin-bottom:28px;overflow-x:auto;scrollbar-width:none;width:max-content;max-width:100%}
.tabs button{padding:10px 20px;border-radius:999px;border:0;background:none;font-weight:600;color:var(--muted);cursor:pointer;white-space:nowrap}
.tabs button.active{background:#fff;color:var(--ink);box-shadow:0 4px 12px -6px rgba(14,16,48,.3)}
.prose-lite h2{font-size:24px;margin:8px 0 12px}
.prose-lite p{color:var(--muted);margin-bottom:22px}
.ba{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:30px}
.ba>div{padding:20px;border-radius:16px}
.ba h4{display:flex;align-items:center;gap:6px;margin-bottom:10px;font-size:16px}
.ba ul{padding-left:18px;font-size:15px;display:grid;gap:4px}
.before{background:#ffece6}.before h4{color:#c2401c}
.after{background:#ddf6ec}.after h4{color:#0b7a50}
.feat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.feat{display:flex;align-items:center;gap:12px;padding:16px;border-radius:16px;border:1px solid var(--line)}
.feat b{color:var(--ink);font-size:15px}
.sticky{position:sticky;top:110px}

/* ---------- Tin tức ---------- */
.news{padding-top:50px}
.featured-post{display:grid;grid-template-columns:1.1fr 1fr;overflow:hidden;margin-bottom:34px}
.featured-post .post-body{padding:40px;justify-content:center}
.featured-post h2{font-size:clamp(24px,2.6vw,34px)}
.featured-post p{font-size:16px;color:var(--muted)}
.news-chips{margin-bottom:24px}
.newsletter{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:30px 34px;margin-top:40px;background:var(--night) radial-gradient(circle at 0 0,rgba(91,61,245,.6),transparent 55%);border-color:transparent;color:#c9c8ec}
.newsletter h3{color:#fff;display:flex;gap:8px;align-items:center;font-size:21px}
.nl-form{display:flex;gap:8px;min-width:min(420px,100%)}
.nl-form input{border-color:transparent}

/* ---------- Bài viết ---------- */
.progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:200}
.progress span{display:block;height:100%;width:0;background:var(--grad-warm)}
.art-head h1{font-size:clamp(30px,4vw,48px);margin-bottom:22px}
.author{display:flex;gap:12px;align-items:center}
.author i{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font-style:normal;font-weight:800;background:var(--grad);color:#fff}
.author b{display:block;color:var(--ink)}
.author small{color:var(--muted);font-size:13px}
.art{padding-top:56px}
.art-layout{display:grid;grid-template-columns:230px minmax(0,760px);gap:56px;justify-content:center}
.toc-box h4{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:12px}
#toc{display:grid;gap:2px;border-left:2px solid var(--line)}
#toc a{padding:6px 14px;margin-left:-2px;border-left:2px solid transparent;font-size:14px;color:var(--muted)}
#toc a.active,#toc a:hover{color:var(--violet);border-color:var(--violet)}
.share{display:flex;align-items:center;gap:8px;margin-top:24px;font-size:13px;color:var(--muted)}
.share a{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:var(--soft);color:var(--ink);font-weight:700}
.prose{font-size:17px;line-height:1.8;color:var(--text)}
.art-cover{height:300px;border-radius:24px;display:grid;place-items:center;background:var(--cs);color:var(--c);margin-bottom:30px;position:relative;overflow:hidden}
.art-cover::before{content:"";position:absolute;width:340px;height:340px;border-radius:50%;background:var(--c);opacity:.12;right:-80px;top:-120px}
.art-cover .ms{font-size:120px;position:relative}
.prose .lead{font-size:20px;color:var(--ink);font-weight:500;margin-bottom:24px}
.prose h2{font-size:28px;margin:40px 0 14px;scroll-margin-top:110px}
.prose p{margin-bottom:18px}
.prose ol,.prose ul{padding-left:24px;margin-bottom:20px;display:grid;gap:6px}
.prose li::marker{color:var(--violet);font-weight:700}
.prose blockquote{margin:30px 0;padding:24px 28px;border-radius:20px;background:var(--soft);border-left:4px solid var(--violet);font-size:20px;font-weight:600;color:var(--ink);line-height:1.5}
.inline-cta{display:flex;align-items:center;gap:16px;padding:20px 22px;border-radius:20px;border:1.5px dashed var(--line2);margin:36px 0 10px}
.inline-cta div{flex:1}
.inline-cta b{display:block;color:var(--ink)}
.inline-cta span{font-size:14px;color:var(--muted)}

/* ---------- Liên hệ ---------- */
.contact{padding-top:56px}
.contact-layout{display:grid;grid-template-columns:1.3fr 1fr;gap:28px;align-items:start}
.slots{margin-top:26px;padding-top:24px;border-top:1px solid var(--line)}
.slots h4{display:flex;gap:8px;align-items:center;font-size:16px;margin-bottom:14px}
.slots h4 .ms{color:var(--violet)}
.slot-days,.slot-times{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
.slots button{padding:9px 14px;border-radius:12px;border:1.5px solid var(--line);background:#fff;font-weight:600;font-size:14px;cursor:pointer}
.slots button.active{background:var(--violet);border-color:var(--violet);color:#fff}
.slots button:disabled{opacity:.4;text-decoration:line-through;cursor:not-allowed}
.contact-side{display:grid;gap:12px}
.c-item{display:flex;gap:14px;align-items:center;padding:16px 18px}
.c-item small{display:block;font-size:12px;color:var(--muted)}
.c-item b{color:var(--ink);font-size:15px;font-weight:600}
.map{height:200px;border-radius:var(--r);display:flex;flex-direction:column;gap:6px;align-items:center;justify-content:center;color:var(--muted);background:var(--soft) repeating-linear-gradient(45deg,transparent 0 14px,rgba(91,61,245,.05) 14px 28px);border:1px solid var(--line)}
.map .ms{font-size:40px;color:var(--violet)}

/* ---------- Widget chat AI ---------- */
.chatw{position:fixed;right:20px;bottom:20px;z-index:150}
.chatw-btn{position:relative;width:60px;height:60px;border-radius:20px;border:0;background:var(--grad);color:#fff;cursor:pointer;box-shadow:0 16px 30px -10px rgba(91,61,245,.8);transition:transform .2s}
.chatw-btn:hover{transform:scale(1.06) rotate(-4deg)}
.chatw-btn .ms{font-size:30px}
.chatw-dot{position:absolute;top:-3px;right:-3px;width:14px;height:14px;border-radius:50%;background:var(--coral);border:3px solid #fff}
.chatw-panel{position:absolute;right:0;bottom:74px;width:min(370px,calc(100vw - 32px));border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-lg);overflow:hidden;opacity:0;visibility:hidden;transform:translateY(10px) scale(.98);transform-origin:bottom right;transition:all .2s}
.chatw.open .chatw-panel{opacity:1;visibility:visible;transform:none}
.chatw-head{display:flex;justify-content:space-between;align-items:center;padding:16px 18px;background:var(--night) radial-gradient(circle at 100% 0,rgba(91,61,245,.7),transparent 60%);color:#fff}
.chatw-head small{display:flex;align-items:center;gap:6px;font-size:12px;color:#a9a8cf}
.chatw-head small i{width:7px;height:7px;border-radius:50%;background:#5ef0b4}
.chatw-close{border:0;background:rgba(255,255,255,.1);color:#fff;width:34px;height:34px;border-radius:10px;cursor:pointer}
.chatw-body{height:280px;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;background:var(--soft)}
.chatw-quick{display:flex;gap:6px;padding:10px 12px 0;flex-wrap:wrap}
.chatw-quick button{padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:13px;font-weight:600;cursor:pointer}
.chatw-quick button:hover{border-color:var(--violet);color:var(--violet)}
.chatw-form{display:flex;gap:8px;padding:12px}
.chatw-form input{flex:1;padding:11px 14px;border-radius:999px;border:1.5px solid var(--line);outline:none;min-width:0}
.chatw-form input:focus{border-color:var(--violet)}
.chatw-form button{width:44px;height:44px;border-radius:50%;border:0;background:var(--grad);color:#fff;cursor:pointer;flex-shrink:0}

/* ---------- Hiệu ứng xuất hiện ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}.flow-step{opacity:1}}

/* ================= Responsive ================= */
@media (max-width:1100px){
  .hdr-phone{display:none}
  .p-grid.four{grid-template-columns:repeat(2,1fr)}
  .logo-ideas{grid-template-columns:repeat(2,1fr)}
  .swatches{grid-template-columns:repeat(3,1fr)}
  .ftr-grid{grid-template-columns:1fr 1fr}
  .art-layout{grid-template-columns:minmax(0,760px)}
  .toc-box{display:none}
}
@media (max-width:960px){
  section{padding:72px 0}
  .menu-btn{display:grid}
  .hdr-actions .btn{display:none}
  .nav{position:fixed;left:12px;right:12px;top:90px;max-height:calc(100vh - 110px);overflow-y:auto;padding:12px;border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transform:translateY(-8px);transition:all .2s}
  .nav.open{opacity:1;visibility:visible;transform:none}
  body.menu-open{overflow:hidden}
  .nav ul{flex-direction:column;gap:2px}
  .nav ul a{padding:13px 14px;font-size:16px;justify-content:space-between}
  .mega{position:static;display:none;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:4px 0 8px;grid-template-columns:1fr}
  .mega::before{display:none}
  .has-mega.mega-open .mega{display:grid}
  .has-mega.mega-open .caret{transform:rotate(180deg)}
  .mega-grid{grid-template-columns:1fr}
  .nav .mega-feature{min-height:0}
  .nav-m-cta{display:grid;gap:8px;padding:12px 4px 4px;margin-top:8px;border-top:1px solid var(--line)}
  .hero-in,.lab-in,.two,.story,.svc-in,.pd-top,.pd-layout,.contact-layout,.featured-post{grid-template-columns:1fr}
  .hero-in{gap:44px}
  .hero-visual{max-width:520px;margin-inline:auto;width:100%}
  .svc.alt .svc-copy{order:0}
  .stats{grid-template-columns:repeat(2,1fr);row-gap:24px}
  .stat:nth-child(3){border-left:0}
  .bento{grid-template-columns:1fr 1fr}
  .b0,.b1,.b2,.b3{grid-column:span 1}
  .bento-item ul{grid-template-columns:1fr}
  .p-grid,.cases,.testi,.post-grid,.pricing{grid-template-columns:repeat(2,1fr)}
  .process,.values,.team,.timeline{grid-template-columns:repeat(2,1fr)}
  .timeline::before{display:none}
  .why{grid-template-columns:1fr 1fr}
  .ind-grid{grid-template-columns:repeat(2,1fr)}
  .plan.featured{transform:none}
  .pd-side .sticky{position:static}
  .svc-nav-wrap{top:86px}
  .ftr-cta,.newsletter{flex-direction:column;align-items:flex-start}
  .featured-post .post-cover.big{min-height:220px}
  .m-cta{position:fixed;left:16px;right:88px;bottom:20px;z-index:140;display:flex;align-items:center;justify-content:center;gap:8px;padding:15px;border-radius:999px;background:var(--grad);color:#fff;font-weight:700;box-shadow:0 14px 30px -12px rgba(91,61,245,.8);transform:translateY(120px);transition:transform .3s}
  .m-cta.show{transform:none}
}
@media (max-width:720px){
  .wrap,.wrap.narrow{width:calc(100% - 32px)}
  section{padding:60px 0}
  .hdr-in{height:60px;padding-left:14px}
  .logo{font-size:19px}.logo-mark{width:34px;height:34px}
  .nav{top:84px}
  .hero{padding-top:130px}
  .page-head{padding:130px 0 50px}
  .sec-row{flex-direction:column;align-items:flex-start}
  .bento,.p-grid,.p-grid.four,.cases,.testi,.post-grid,.pricing,.tools,.process,.values,.team,.timeline,.why,.mv,.logo-ideas,.feat-grid,.ba{grid-template-columns:1fr}
  .swatches{grid-template-columns:repeat(2,1fr)}
  .f-grid{grid-template-columns:1fr}
  .roi-out{grid-template-columns:1fr 1fr}.roi-out .big{grid-column:1/-1}
  .filter-row{grid-template-columns:1fr}
  .svc-list{grid-template-columns:1fr}
  .svc-visual{min-height:0;padding:34px 20px}
  .tile.huge{width:110px;height:110px;border-radius:34px}.tile.huge .ms{font-size:58px}
  .s1{right:-4px}.s2{left:-4px}
  .tech-strip{flex-direction:column;align-items:flex-start;gap:12px;margin-top:44px}
  .marquee{width:100%}
  .ftr-grid{grid-template-columns:1fr;gap:28px}
  .ftr-cta{padding:28px 22px}
  .form-card,.tool{padding:22px}
  .help-box,.inline-cta{flex-direction:column;align-items:flex-start}
  .legal div{grid-template-columns:1fr;gap:2px}
  .nl-form{flex-direction:column;min-width:0;width:100%}
  .featured-post .post-body{padding:24px}
  .art-cover{height:200px}.art-cover .ms{font-size:84px}
  .prose{font-size:16px}
  .chatw{right:16px;bottom:16px}
}
@media (max-width:420px){
  .hero-cta .btn{width:100%}
  .stats{grid-template-columns:1fr}
  .stat + .stat{border-left:0;border-top:1px solid rgba(255,255,255,.1);padding-top:18px}
  .ind-grid{grid-template-columns:1fr}
  .type-demo .t1{font-size:40px}
}

/* ================= Bổ sung cho bản chạy thật (v2) ================= */
.h3{font-size:clamp(22px,2.4vw,30px)}
.h4{font-size:16px}
.ftr-cta h2{color:#fff}
.ftr-h{color:#fff;font-size:15px;letter-spacing:0;margin-bottom:16px}
.ftr .contact-list a:hover{color:#fff}
.hp-field{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-msg{margin:10px 0 0;padding:10px 14px;border-radius:12px;background:#ffece6;color:#a6300f;font-size:14px}
.ok-msg{padding:12px 16px;border-radius:12px;background:#ddf6ec;color:#0b5c3d;font-weight:600}
.lead-form .invalid,.lead-form input.invalid{border-color:#f2552f!important;box-shadow:0 0 0 4px #ffece6!important}
.consent a{color:var(--violet);text-decoration:underline}
.roi-cta{margin-top:16px}
.tool-lead{margin-top:16px}
.lead-form.mini{padding:18px;border-radius:16px;background:var(--soft);text-align:left}
.lead-form.mini h4{margin-bottom:12px}
.quiz-result .tool-lead{text-align:left}
.pager{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-top:34px}
.pager a{display:inline-flex;align-items:center;gap:4px;min-width:42px;height:42px;padding:0 14px;justify-content:center;border-radius:999px;border:1px solid var(--line);background:#fff;font-weight:600}
.pager a.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.pager a:hover:not(.on){border-color:var(--violet);color:var(--violet)}
.post-cover.has-img{background:var(--soft)}
.post-cover.has-img::before,.post-cover.has-img::after,.art-cover.has-img::before{display:none}
.post-cover.has-img img,.art-cover.has-img img,.pd-cover img{width:100%;height:100%;object-fit:cover}
.post-cover.has-img img{position:absolute;inset:0}
.art-cover.has-img{height:auto;max-height:440px;padding:0;margin-bottom:30px}
.pd-cover{border-radius:28px;overflow:hidden;box-shadow:var(--shadow-lg);aspect-ratio:4/3}
.prose figure{margin:28px 0}
.prose figure img{border-radius:18px;width:100%;height:auto}
.prose figcaption{font-size:14px;color:var(--muted);text-align:center;margin-top:8px}
.prose blockquote cite{display:block;margin-top:8px;font-size:15px;font-style:normal;font-weight:500;color:var(--muted)}
.prose a{color:var(--violet);text-decoration:underline}
.prose h3{font-size:22px;margin:28px 0 10px}
.prose table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.callout{margin:24px 0;padding:18px 22px;border-radius:16px;background:#fff8e6;border:1px solid #ffe2a3;color:#5c4300}
.toc-h{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:12px;font-weight:700}
.share button{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:var(--soft);color:var(--ink);border:0;cursor:pointer}
.share button .ms{font-size:18px}
.center-head{text-align:center}
.center-head h1,.center-head p{margin-inline:auto}
.hero-cta.center{justify-content:center}
.thanks-ic{margin:0 auto 26px;transform:none}
iframe.map{width:100%;height:240px;border:0;border-radius:var(--r)}
.logo-preview-bar{position:relative;z-index:90;display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;margin-top:10px;padding:10px 16px;border-radius:16px;background:#fff8e6;border:1px solid #ffe2a3;color:#7a5a00;font-size:14px}
.logo-preview-bar a{font-weight:700;color:var(--violet);text-decoration:underline}
.mega-feature b{color:#fff}
:focus-visible{outline:3px solid #8b74ff;outline-offset:2px;border-radius:6px}
.tools > *{min-width:0}
.roi-cta,.quiz-actions .btn{white-space:normal;text-align:center}
.pricing > *,.p-grid > *,.cases > *,.testi > *,.post-grid > *,.process > *,.values > *,.team > *,.why > *,.bento > *{min-width:0}
.plan .btn{white-space:normal;text-align:center}
.plan-price{flex-wrap:wrap}
@media (max-width:360px){.plan{padding:22px 18px}.plan-price b{font-size:28px}}

/* =====================================================================
   KHỐI TRANG CHỦ TÙY BIẾN (Quản trị → Giao diện) – v2.1
   ===================================================================== */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.preview-bar{position:sticky;top:0;z-index:95;display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:6px 10px;padding:10px 16px;background:#fff8e6;border-bottom:1px solid #ffe2a3;color:#7a5a00;font-size:14px;text-align:center}
.preview-bar a{font-weight:700;color:var(--violet);text-decoration:underline}
/* Nền khối */
.sec-dark{background:var(--night);color:#c9c8ec;overflow:hidden}
.sec-grad{background:linear-gradient(130deg,#2a1a8f,#5b3df5 45%,#0f8fb0);color:#e6e4ff;overflow:hidden}
.sec-dark h2,.sec-dark h3,.sec-grad h2,.sec-grad h3{color:#fff}
.sec-dark .sec-head p,.sec-grad .sec-head p{color:#c9c8ec}
.sec-dark .eyebrow,.sec-grad .eyebrow{color:#9fe6f5}
.sec-dark .grad,.sec-grad .grad{background:linear-gradient(110deg,#c4b8ff,#8ff0ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.sec-dark .prose,.sec-grad .prose{color:#dcdaf5}.sec-dark .prose h2,.sec-grad .prose h2,.sec-dark .prose h3,.sec-grad .prose h3{color:#fff}
.sec-dark .prose blockquote,.sec-grad .prose blockquote{background:rgba(255,255,255,.07);color:#fff}
.custom-body>:first-child{margin-top:0}
/* Danh sách dấu tích dùng chung */
.ticks{list-style:none;display:grid;gap:12px;margin:0 0 28px}
.ticks li{display:flex;gap:10px;align-items:flex-start;font-weight:500}
.ticks .ms{color:var(--mint);font-size:22px;flex-shrink:0}
.sec-dark .ticks .ms,.sec-grad .ticks .ms{color:#5ef0b4}
.btn-ghost-w{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost-w:hover{border-color:#fff;background:rgba(255,255,255,.08)}

/* ---- Lưới tính năng ---- */
.feat-grid{display:grid;gap:20px}
.feat-grid.cols-2{grid-template-columns:repeat(2,1fr)}.feat-grid.cols-3{grid-template-columns:repeat(3,1fr)}.feat-grid.cols-4{grid-template-columns:repeat(4,1fr)}
.feat-grid>*{min-width:0}
.feat{display:flex;flex-direction:column;gap:12px;padding:28px;border-radius:var(--r);color:inherit;transition:transform .25s,box-shadow .25s,border-color .25s,background .25s}
.feat h3{font-size:19px}
.feat p{color:var(--muted);font-size:15px;line-height:1.6}
.feat-go{margin-top:auto;display:inline-flex;align-items:center;gap:4px;font-weight:700;font-size:14px;color:var(--violet)}
.feat-card .feat{background:#fff;border:1px solid var(--line)}
a.feat:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.feat-card a.feat:hover{border-color:transparent}
.feat:hover .tile{background:var(--c);color:#fff}
.feat-glass .feat{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(10px)}
.soft .feat-glass .feat,section:not(.sec-dark):not(.sec-grad) .feat-glass .feat{background:rgba(255,255,255,.7);border-color:var(--line)}
.sec-dark .feat p,.sec-grad .feat p{color:#c9c8ec}.sec-dark .feat-go,.sec-grad .feat-go{color:#9fe6f5}
.feat-minimal .feat{padding:8px 4px}
.feat-minimal a.feat:hover{box-shadow:none}

/* ---- Bảng so sánh ---- */
.cmp-scroll{position:relative;overflow-x:auto;border-radius:24px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);-webkit-overflow-scrolling:touch}
.cmp-scroll:focus-visible{outline-offset:4px}
.cmp{width:100%;min-width:calc(200px + var(--cols) * 150px);border-collapse:separate;border-spacing:0;font-size:15px;color:var(--text)}
.cmp th,.cmp td{padding:16px 18px;text-align:center;border-bottom:1px solid var(--line);vertical-align:middle}
.cmp tbody tr:last-child th,.cmp tbody tr:last-child td{border-bottom:0}
.cmp tbody th{text-align:left;font-weight:600;color:var(--ink);position:sticky;left:0;background:#fff;z-index:1;min-width:180px}
.cmp thead th{padding:26px 18px 20px;vertical-align:bottom;background:#fff}
.cmp thead b{display:block;font-size:17px;color:var(--ink)}
.cmp thead small{display:block;margin-top:4px;color:var(--muted);font-weight:500;font-size:13px}
.cmp .hl-col{background:linear-gradient(180deg,#f3f0ff,#eefbfe)}
.cmp thead .hl-col{background:var(--grad);border-radius:20px 20px 0 0;position:relative}
.cmp thead .hl-col b,.cmp thead .hl-col small{color:#fff}
.cmp-badge{display:inline-flex;align-items:center;gap:4px;margin-bottom:8px;padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.22);color:#fff;font-size:12px;font-weight:700;letter-spacing:.02em}
.cmp-badge .ms{font-size:15px;color:#ffd166}
.cmp-yes{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#ddf6ec;color:var(--mint)}
.cmp-yes .ms{font-size:20px}
.cmp-no{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#f1f2f7;color:#a2a6bd}
.cmp-no .ms{font-size:18px}
.cmp-none{color:#b5b8cc}
.cmp tfoot td{padding:18px;border-bottom:0;border-top:1px solid var(--line)}
.cmp tfoot .btn{white-space:normal}
.cmp-note{margin-top:16px;text-align:center;font-size:14px;color:var(--muted)}
.sec-dark .cmp-note,.sec-grad .cmp-note{color:#c9c8ec}

/* ---- Video giới thiệu ---- */
.vid{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:center}
.vid>*{min-width:0}
.vid-right .vid-frame{order:-1}
.vid-left .vid-copy{order:2}
.vid-center{grid-template-columns:1fr;gap:36px}
.vid-center .vid-copy{text-align:center;max-width:720px;margin-inline:auto}
.vid-center .vid-copy .ticks{justify-content:center;grid-auto-flow:column;grid-auto-columns:max-content;gap:12px 28px}
.vid-center .vid-frame{max-width:960px;width:100%;margin-inline:auto}
.vid .sec-head{margin-bottom:26px}
.vid-frame{position:relative;border-radius:26px;transform:perspective(1000px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));transition:transform .25s ease}
.vid-player{position:relative;display:block;aspect-ratio:16/9;border-radius:22px;overflow:hidden;background:var(--night2);isolation:isolate}
.vid-player img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease,filter .4s}
a.vid-player:hover img{transform:scale(1.04);filter:brightness(.85)}
.vid-player iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.vid-ph{position:absolute;inset:0;background:radial-gradient(circle at 30% 20%,rgba(91,61,245,.85),transparent 55%),radial-gradient(circle at 80% 90%,rgba(18,181,214,.7),transparent 55%),var(--night)}
.vid-play{position:absolute;left:50%;top:50%;width:84px;height:84px;margin:-42px 0 0 -42px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.95);color:var(--violet);box-shadow:0 18px 40px -10px rgba(14,16,48,.6);transition:transform .25s}
.vid-play .ms{font-size:46px}
.vid-play::before,.vid-play::after{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid rgba(255,255,255,.75);animation:vidPulse 2.4s ease-out infinite}
.vid-play::after{animation-delay:1.2s}
a.vid-player:hover .vid-play{transform:scale(1.08)}
@keyframes vidPulse{from{transform:scale(1);opacity:.9}to{transform:scale(1.9);opacity:0}}
.vid-empty{display:grid;place-items:center}
.vid-empty small{position:absolute;bottom:16px;left:0;right:0;text-align:center;color:#c9c8ec;font-size:13px}
/* Khung phát sáng: viền gradient xoay chậm + quầng sáng */
.fx-glow{padding:3px;background:conic-gradient(from var(--ang,0deg),#5b3df5,#12b5d6,#ff6b4a,#5b3df5);animation:vidSpin 8s linear infinite;box-shadow:0 30px 80px -30px rgba(91,61,245,.8)}
.fx-glow::after{content:"";position:absolute;inset:8% 6% -6%;z-index:-1;border-radius:40px;background:var(--grad);filter:blur(50px);opacity:.45}
@property --ang{syntax:'<angle>';inherits:false;initial-value:0deg}
@keyframes vidSpin{to{--ang:360deg}}
.fx-tilt{box-shadow:var(--shadow-lg)}
.fx-none .vid-player{box-shadow:var(--shadow)}

/* ---- Ảnh + nội dung ---- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split>*{min-width:0}
.split-right .split-img{order:2}
.split.no-img{grid-template-columns:1fr;max-width:760px}
.split-img{position:relative;margin:0}
.split-img::before{content:"";position:absolute;inset:18px -18px -18px 18px;border-radius:28px;background:var(--grad);opacity:.18;z-index:-1}
.split-right .split-img::before{inset:18px 18px -18px -18px}
.split-img img{width:100%;height:auto;border-radius:24px;box-shadow:var(--shadow-lg)}
.split .sec-head{margin-bottom:22px}
.split-body{font-size:17px;line-height:1.75;margin-bottom:22px}
.split-body a{color:var(--violet);text-decoration:underline}
.sec-dark .split-body a,.sec-grad .split-body a{color:#9fe6f5}

/* ---- Dải kêu gọi hành động ---- */
.sec-cta{padding:56px 0}
.cta-band{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:28px 40px;flex-wrap:wrap;padding:52px 56px;border-radius:32px;color:#fff}
.cta-grad{background:linear-gradient(120deg,#4a2fe0,#5b3df5 40%,#12b5d6)}
.cta-warm{background:var(--grad-warm)}
.cta-dark{background:var(--night)}
.cta-glow{position:absolute;inset:0;pointer-events:none}
.cta-glow i{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5}
.cta-glow i:nth-child(1){width:320px;height:320px;background:#fff;top:-200px;right:10%;opacity:.25}
.cta-glow i:nth-child(2){width:280px;height:280px;background:#12b5d6;bottom:-180px;left:-60px}
.cta-copy{position:relative;flex:1 1 380px;min-width:0}
.cta-copy h2{color:#fff;font-size:clamp(26px,3vw,38px)}
.cta-copy p{margin-top:10px;color:rgba(255,255,255,.85);font-size:17px}
.cta-hl{color:#fff;background:linear-gradient(transparent 62%,rgba(255,255,255,.28) 62%)}
.cta-acts{position:relative;display:flex;flex-wrap:wrap;gap:12px}
.cta-acts .btn{white-space:normal;text-align:center}

/* ---- Menu con (dropdown) ---- */
.mega.sub{left:auto;right:auto;min-width:240px;display:flex;flex-direction:column;gap:2px;padding:8px;grid-template-columns:none}
.has-sub{position:relative}
.nav .sub-item{display:block;padding:10px 14px;border-radius:12px;font-weight:600;color:var(--text)}
.nav .sub-item:hover,.nav .sub-item.active{background:var(--soft);color:var(--violet)}

@media (max-width:960px){
  .feat-grid.cols-3,.feat-grid.cols-4{grid-template-columns:repeat(2,1fr)}
  .vid,.split{grid-template-columns:1fr;gap:36px}
  .vid-copy,.vid-left .vid-copy{order:0}.vid-frame,.vid-right .vid-frame{order:1}
  .split-img,.split-right .split-img{order:0}
  .vid-center .vid-copy .ticks{grid-auto-flow:row;justify-content:start;text-align:left}
  .has-sub.mega-open .mega.sub{display:flex}
  .mega.sub{min-width:0;padding:4px 0 8px}
}
@media (max-width:720px){
  .feat-grid.cols-2,.feat-grid.cols-3,.feat-grid.cols-4{grid-template-columns:1fr}
  .cta-band{padding:36px 24px;border-radius:24px}
  .cta-acts,.cta-acts .btn{width:100%}
  .vid-play{width:66px;height:66px;margin:-33px 0 0 -33px}.vid-play .ms{font-size:36px}
  .cmp th,.cmp td{padding:12px 12px}
  .cmp tbody th{min-width:140px;font-size:14px}
  .split-img::before{display:none}
}

/* ---- Chat AI thật (v2.2) ---- */
.chatw-panel{display:flex;flex-direction:column;max-height:calc(100vh - 110px);max-height:calc(100dvh - 110px)}
.chatw-head,.chatw-quick,.chatw-form,.chatw-note{flex-shrink:0}
.chatw-body{flex:1 1 auto;height:380px;min-height:120px}
.chatw-body .msg{word-wrap:break-word;overflow-wrap:anywhere}
.chatw-body .msg.bot a{color:var(--violet);text-decoration:underline}
.chatw-fb{display:flex;gap:2px;margin-top:6px}
.chatw-fb button{border:0;background:none;color:#b5b8cc;cursor:pointer;padding:2px;border-radius:6px;line-height:1}
.chatw-fb button .ms{font-size:16px}
.chatw-fb button:hover,.chatw-fb button.on{color:var(--violet)}
.chatw-fb button.on .ms{font-variation-settings:'FILL' 1,'wght' 500}
.chatw-sys{align-self:center;font-size:12px;font-weight:600;color:var(--mint);background:#ddf6ec;padding:4px 12px;border-radius:999px}
.chatw-quick[hidden]{display:none}
.chatw-note{margin:0;padding:0 14px 12px;font-size:11px;line-height:1.45;color:var(--muted)}
.chatw-note a{color:var(--violet);text-decoration:underline}
@media (max-width:420px){.chatw-panel{position:fixed;left:12px;right:12px;bottom:86px;width:auto}}

/* ---------- v2.3: dễ dùng trên điện thoại ---------- */
/* Thanh liên hệ nhanh cố định: Gọi · Zalo · Tư vấn (thay nút tư vấn đơn) */
@media (max-width:960px){
  .m-cta{padding:6px;gap:6px;background:#fff;border:1px solid var(--line);box-shadow:0 14px 30px -14px rgba(14,16,48,.45)}
  .m-cta-ic{display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:52px;min-height:48px;border-radius:999px;color:var(--violet);font-weight:700;line-height:1}
  .m-cta-ic small{font-size:11px;margin-top:2px;color:var(--ink)}
  .m-cta-main{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;min-height:48px;padding:0 14px;border-radius:999px;background:var(--grad);color:#fff;font-weight:700;white-space:nowrap}
}
/* iPhone tự phóng to khi chạm vào ô nhập có chữ < 16px → giữ 16px trên màn hình cảm ứng nhỏ */
@media (max-width:960px){
  input,select,textarea,.lead-form input:not([type=checkbox]),.lead-form select,.lead-form textarea,.filters select,.nl-form input,.chatw-form input{font-size:16px}
  .lead-form .consent{font-size:14px}
  .consent input{width:20px;height:20px;flex-shrink:0;margin-top:1px}
}
/* Vùng bấm tối thiểu ~44px cho link nhỏ trên điện thoại (khách lớn tuổi bấm trượt) */
@media (max-width:960px),(pointer:coarse){
  .crumb{gap:2px 4px}
  .crumb a,.crumb b{display:inline-flex;align-items:center;min-height:40px;padding:0 4px}
  .c-item a,.contact-list a,.ftr ul a,.ftr-bottom a,.chatw-quick button{display:inline-flex;align-items:center;min-height:44px}
  .ftr ul{gap:2px}
  .chatw-fb button{padding:8px}
}