/* ONMATE corporate pages (Về ONMATE · Dự án · Blog · Liên hệ).
   Same visual language as the service pages (Google Ads): night-blue surfaces, cyan accent, floating mock cards,
   numbered chapters, pick-cards + detail panel, input → output diagrams. Everything is scoped to body.pw. */

/* ---------- tokens ---------- */
body.pw{--bg-night:#020318;--bg:#070b30;--bg-alt:#0c113c;--card:linear-gradient(160deg,#1b2454,#111746);--card-on:linear-gradient(160deg,#232d5e,#171f4f);--card-line:rgba(255,255,255,.09);--card-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 20px 50px rgba(0,0,0,.35);--surface:#161d4d;--surface-2:#12194899;--surface-3:#111746;--edge:rgba(255,255,255,.09);--edge-strong:#88e4ff47;--text:#F3F8FC;--text-2:#C9D8E6;--text-4:#AFC2D3;--muted:#93A9BE;--cyan:#72eaff;--cyan-2:#8be8fc;--btn:#9aebff;--btn-hover:#d3f8ff;--btn-text:#0d1140;--btn-border:#b8f2ff;--warn:#f4b860;--bad:#ff9b9b;--good:#8ce0b4;--ease:cubic-bezier(.22,.61,.36,1);--accent:#88e4ff}
body.pw,body.pw [data-accent]{--accent-bg:color-mix(in srgb,var(--accent) 12%,#0000);--accent-line:color-mix(in srgb,var(--accent) 30%,#0000);--accent-glow:color-mix(in srgb,var(--accent) 22%,#0000)}
body.pw [data-accent=ads]{--accent:#88e4ff}
body.pw [data-accent=commerce]{--accent:#ffbd80}
body.pw [data-accent=web]{--accent:#c0a2ff}
body.pw [data-accent=social]{--accent:#ff9bc1}
body.pw [data-accent=ai]{--accent:#85e1c1}
body.pw [data-accent=data]{--accent:#e0cd9b}
body.pw [data-accent=seo]{--accent:#9db8ff}
body.pw [data-accent=strategy]{--accent:#ffa98a}
body.pw [data-accent=training]{--accent:#b6e36f}
body.pw [data-accent=crm]{--accent:#f5a3c0}

/* ---------- page base ---------- */
body.pw{background:var(--bg-night);color:var(--text);overflow-x:hidden;font-family:'Be Vietnam Pro',Arial,sans-serif}
body.pw main{position:relative;z-index:3;pointer-events:auto}
body.pw .pow-header{position:fixed;inset:0 0 auto;background:#030420;box-shadow:inset 0 -1px 0 #9bd7ef1c}
:where(body.pw) a{color:inherit;text-decoration:none}
body.pw :is(a,button,summary,input,select,textarea):focus-visible{outline:2px solid var(--accent);outline-offset:4px}
.pw-skip{position:fixed;left:16px;top:-80px;z-index:60;padding:12px 18px;border-radius:6px;background:var(--btn);color:var(--btn-text);font-weight:600;transition:top .2s}
.pw-skip:focus{top:14px}
.pw-sky{position:fixed;inset:0;z-index:0;pointer-events:none;background:radial-gradient(ellipse 60% 45% at 78% 12%,#2a346640,#0000 70%),radial-gradient(ellipse 55% 40% at 8% 58%,#1b245438,#0000 72%),radial-gradient(ellipse 70% 50% at 50% 104%,#28336530,#0000 70%)}
.pw-sky i{position:absolute;inset:0;display:block;opacity:.5;background-repeat:repeat}
.pw-sky i:nth-child(1){background-image:radial-gradient(1px 1px at 20px 30px,#cfe9ff88,#0000),radial-gradient(1px 1px at 140px 90px,#bfe4ff70,#0000),radial-gradient(1px 1px at 240px 40px,#e6f6ff60,#0000),radial-gradient(1px 1px at 320px 160px,#a9d8f76b,#0000);background-size:400px 240px}
.pw-sky i:nth-child(2){background-image:radial-gradient(1.6px 1.6px at 60px 120px,#eaf8ff7a,#0000),radial-gradient(1.4px 1.4px at 300px 60px,#9fe6ff66,#0000);background-size:520px 380px;opacity:.34}
body.pw .wrap{width:min(1180px,100%);margin:0 auto;padding:0 5%}
:where(body.pw) :is(h1,h2,h3,h4){margin:0;font-weight:500;letter-spacing:-1.5px;line-height:1.22;text-wrap:balance}
:where(body.pw) h1{font-size:clamp(35px,3.7vw,62px);font-weight:600;line-height:1.16;letter-spacing:-1.8px}
:where(body.pw) h2{font-size:clamp(28px,3vw,46px)}
:where(body.pw) :is(h1,h2,h3,.hero-sub) em{font-style:normal;color:var(--cyan)}
:where(body.pw) p{margin:0}
:where(body.pw) :is(ul,ol){margin:0;padding:0;list-style:none}
.kicker{display:flex;align-items:center;gap:16px;margin:0 0 20px;font-size:11px;font-weight:500;letter-spacing:3px;text-transform:uppercase;color:var(--accent)}
.kicker:before{content:'';flex:none;width:30px;height:1px;background:var(--accent)}
.lead{margin:23px 0 0;max-width:68ch;font-size:16px;line-height:1.85;color:var(--text-2);text-wrap:pretty}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:22px;border-radius:3px;font-size:14px;font-weight:600;padding:17px 24px;border:1px solid #0000;transition:background .2s,box-shadow .2s,border-color .2s;cursor:pointer;font-family:inherit}
.btn-cyan{background:var(--btn);color:var(--btn-text);border-color:var(--btn-border);box-shadow:0 0 30px #36caff22}
.btn-cyan:hover{background:var(--btn-hover);box-shadow:0 0 40px #36caff66}
.btn-ghost{border-color:#a6e8ff55;background:#10163d55;backdrop-filter:blur(10px);font-size:13px;font-weight:400;padding:13px 20px;color:var(--text)}
.btn-ghost:hover{border-color:#a7ebff}
.btn-ghost b{font-weight:400;color:var(--cyan)}
.btn[disabled]{opacity:.6;cursor:progress}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:9px;margin-bottom:22px;font-size:11px;letter-spacing:.4px;color:var(--muted)}
.crumbs a:hover{color:var(--cyan)}
.crumbs b{font-weight:400;color:var(--text-4)}

/* ---------- sections ---------- */
.lp-section{position:relative;padding:112px 0;scroll-margin-top:92px;background:radial-gradient(circle 400px at var(--gx,84%) var(--gy,26%),var(--accent-glow),#0000 72%),radial-gradient(circle 330px at var(--gx2,6%) var(--gy2,82%),color-mix(in srgb,var(--accent) 18%,#0000),#0000 72%),var(--bg)}
.lp-section.veiled{--gx:12%;--gx2:94%;background:radial-gradient(circle 400px at var(--gx) var(--gy,26%),var(--accent-glow),#0000 72%),radial-gradient(circle 330px at var(--gx2) var(--gy2,82%),color-mix(in srgb,var(--accent) 18%,#0000),#0000 72%),var(--bg-alt)}
.sec-head{margin:0 0 44px}
.sec-head.center{text-align:center;max-width:760px;margin-inline:auto}
.sec-head.center .kicker{justify-content:center}
.sec-head.center .lead{margin-inline:auto}
.lp-section .sec-head h2{font-size:clamp(32px,3.5vw,50px);line-height:1.16;letter-spacing:-1.7px}
.chap{scroll-margin-top:92px}
.chap-head{margin-bottom:38px}
.chap-head.has-num{display:grid;grid-template-columns:auto minmax(0,1fr);gap:26px;align-items:start}
.chap-num{font-size:clamp(56px,6vw,88px);font-weight:600;line-height:.9;letter-spacing:-3px;font-variant-numeric:tabular-nums;color:var(--accent);background:linear-gradient(var(--accent),color-mix(in srgb,var(--accent) 30%,#0000));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:#0000}
.chap-title .kicker{margin-bottom:12px}
.chap-title h2{font-size:clamp(26px,3vw,38px);line-height:1.25;letter-spacing:-1px;margin-top:6px}
.chap-title .lead{margin-top:14px}
.rule{height:1px;margin:0;border:0;background:var(--edge)}
.note{display:flex;align-items:flex-start;gap:10px;margin:0;font-size:13px;line-height:1.7;color:var(--text-4)}
.note .ico{flex:none;width:16px;height:16px;margin-top:3px;color:var(--warn)}
.note.is-plain .ico{color:var(--accent)}
.ico{display:block;width:20px;height:20px}

/* reveal (only when JS has marked the document) */
.rv{transition:opacity .6s var(--ease),transform .6s var(--ease)}
html.pw-js .rv:not(.in){opacity:0;transform:translateY(22px)}

/* ---------- hero ---------- */
.pw-hero{position:relative;min-height:min(92svh,900px);display:flex;align-items:center;padding:140px 0 100px;background:linear-gradient(90deg,#030223e0,#03022288 42%,#0000 90%),linear-gradient(#0000 72%,var(--bg));overflow-x:clip}
.pw-hero:after{content:'';position:absolute;inset:auto 0 0;height:60%;pointer-events:none;background:radial-gradient(ellipse 70% 100% at 50% 100%,#72eaff1a,#28326410 45%,#0000 72%)}
.hero-inner{display:grid;grid-template-columns:minmax(0,46%) minmax(0,1fr);align-items:center;gap:40px;position:relative;z-index:2}
.hero-copy h1{margin-bottom:6px}
.hero-sub{font-size:clamp(22px,1.9vw,30px);font-weight:500;line-height:1.35;letter-spacing:-.8px;color:var(--text)}
.hero-copy .lead{max-width:470px}
.ctas{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:32px}
.ctas .btn{gap:14px}
.hero-stage{position:relative;perspective:1200px;min-height:560px}
.hero-stage:before{content:'';position:absolute;inset:-14% -6%;pointer-events:none;background:radial-gradient(ellipse 60% 55% at 52% 48%,#72eaff1c,#0000 70%)}
.stack{position:relative;height:100%;min-height:560px;transform-style:preserve-3d;transform:rotateX(var(--rx,7deg)) rotateY(var(--ry,-15deg));transition:transform .5s var(--ease)}
.card3d{position:absolute;border-radius:12px;border:1px solid var(--edge);background:var(--surface);backdrop-filter:blur(16px);box-shadow:0 24px 70px #0006,0 0 42px #53d1ea26;padding:14px;transform-style:preserve-3d;animation:pw-float 7s var(--ease) infinite alternate}
.card3d.s1{left:0;top:3%;width:min(320px,62%);transform:translateZ(60px);padding:10px}
.card3d.s2{right:0;top:0;width:176px;transform:translateZ(120px);animation-delay:-1.6s}
.card3d.s3{right:0;bottom:0;width:230px;transform:translateZ(40px);animation-delay:-3.2s}
.card3d.s4{left:0;bottom:2%;width:172px;transform:translateZ(95px);animation-delay:-4.6s}
.card3d.s5{left:40%;bottom:16%;width:74px;height:74px;display:grid;place-items:center;border-radius:20px;transform:translateZ(175px);animation-delay:-2.4s;padding:0;color:var(--cyan)}
.card3d.s5 .ico{width:30px;height:30px}
.card3d b.ct{display:block;margin-top:10px;font-size:12px;font-weight:500;letter-spacing:-.2px;color:var(--text)}
.card3d em.cs{display:block;margin-top:3px;font-style:normal;font-size:11px;color:var(--cyan)}
.c-tag{position:absolute;left:13px;top:-11px;padding:3px 10px;border:1px solid #72eaff42;border-radius:999px;background:#06092df5;font-size:11px;letter-spacing:1px;color:#8fe6ff;white-space:nowrap}
@keyframes pw-float{from{translate:0 -7px}to{translate:0 9px}}


/* ---------- mock UI primitives (decorative; always aria-hidden) ---------- */
.ui{position:relative;border-radius:10px;background:#fff;color:#202124;box-shadow:0 10px 26px #0004;font-size:11px;line-height:1.4;overflow:hidden}
.ui *{box-sizing:border-box}
.ui-bar{display:flex;align-items:center;gap:6px;padding:8px 10px;background:#f1f3f4;border-bottom:1px solid #dadce0}
.ui-bar i{width:7px;height:7px;border-radius:50%;background:#c4c7cc}
.ui-bar span{flex:1;margin-left:6px;padding:3px 10px;border-radius:999px;background:#fff;color:#5f6368;font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ui-body{padding:12px}
.ui-search{display:flex;align-items:center;gap:8px;padding:6px 12px;border:1px solid #dadce0;border-radius:999px;box-shadow:0 1px 5px #0000001a;font-size:12px;color:#202124}
.ui-search .ico{width:13px;height:13px;color:#5f6368}
.ui-tag{display:inline-block;font-style:normal;font-weight:700;font-size:10px;color:#202124}
.ui-ad{margin-top:10px;padding:9px 11px;border-radius:9px;background:#f3f7fc;box-shadow:inset 3px 0 0 #1a73e8}
.ui-ad b,.ui-org b{display:block;margin-top:2px;font-size:12px;font-weight:500;line-height:1.35;color:#1a0dab}
.ui-ad small,.ui-org small{display:block;margin-top:2px;font-size:10px;color:#3c4043}
.ui-org{padding:9px 3px 0}
.ln{display:block;height:6px;border-radius:3px;background:#dfe3e8;width:var(--w,100%)}
.ln+.ln{margin-top:6px}
.ln.d{background:#c3c9d0}
.ln.a{background:color-mix(in srgb,var(--accent) 65%,#fff)}
.ph{display:block;height:var(--h,60px);border-radius:7px;background:linear-gradient(135deg,#e8eef6,#cdd9e8)}
.ph.a{background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 35%,#fff),color-mix(in srgb,var(--accent) 75%,#fff))}
.ui-btn{display:inline-block;padding:5px 12px;border-radius:5px;background:#1a56db;color:#fff;font-weight:600;font-size:10px}
.ui-chip{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:999px;background:#e6f0ff;color:#1a4fbf;font-size:10px;font-weight:600}
.ui-chip.g{background:#e3f6ea;color:#17703a}
.ui-chip.o{background:#fff0dc;color:#9a5a00}
.ui-row{display:flex;align-items:center;gap:8px}
.ui-bars{display:flex;align-items:flex-end;gap:5px;height:var(--bh,56px)}
.ui-bars s{flex:1;height:var(--h);border-radius:3px 3px 0 0;background:linear-gradient(#5b93f7,#9cc0fb);text-decoration:none}
.ui-av{flex:none;width:22px;height:22px;border-radius:50%;background:linear-gradient(135deg,#cdd9e8,#9db4d2)}
.ui .ico{width:14px;height:14px}
.dk{color:var(--text)}
.dk .ln{background:#ffffff26}
.dk .ln.a{background:color-mix(in srgb,var(--accent) 70%,#0000)}
.mini-list{display:grid;gap:9px;margin:0;padding:0;list-style:none}
.mini-list li{display:flex;align-items:center;gap:9px;font-size:11px;color:var(--text-2)}
.mini-list .ico{flex:none;width:16px;height:16px;color:var(--accent)}
.mini-list b{font-weight:500;color:var(--text)}
.pill-st{margin-left:auto;padding:2px 8px;border-radius:999px;background:#8ce0b41f;color:#8ce0b4;font-size:10px;white-space:nowrap}
.mini-bars{display:grid;gap:9px;margin:10px 0 0}
.mini-bars i{display:block;height:5px;border-radius:3px;background:#151c4a;overflow:hidden}
.mini-bars s{display:block;height:100%;width:var(--w);background:var(--cyan);box-shadow:0 0 14px var(--cyan);text-decoration:none}
.tile9{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:10px}
.tile9 span{display:grid;place-items:center;aspect-ratio:1;border-radius:8px;border:1px solid var(--edge);background:#0f1443;color:var(--accent)}
.tile9 .ico{width:16px;height:16px}
.dots-flow{display:flex;align-items:center;gap:6px;margin-top:10px;font-size:11px;color:var(--text-2)}
.dots-flow i{flex:none;width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
.dots-flow s{flex:1;height:1px;background:var(--edge-strong);text-decoration:none}
.logo-tiles{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.logo-tiles span{display:grid;place-items:center;aspect-ratio:2/1;border-radius:8px;background:#fff;padding:6px}
.logo-tiles img{max-width:88%;max-height:88%;object-fit:contain}
.logo-one{display:grid;place-items:center;aspect-ratio:2/1;border-radius:8px;background:#fff;padding:8px}
.logo-one img{max-width:88%;max-height:88%;object-fit:contain}

.checks li{position:relative;padding-left:24px;font-size:14px;line-height:1.7;color:var(--text-2)}
.checks li:before{content:'';position:absolute;left:1px;top:.55em;width:11px;height:6px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg) translateY(-30%)}

/* ---------- shared card art / body ---------- */
.pick-art{position:relative;display:flex;align-items:flex-end;justify-content:center;height:200px;padding:24px 24px 0;overflow:hidden;border-bottom:1px solid var(--card-line);background:radial-gradient(90% 85% at 50% 115%,color-mix(in srgb,var(--accent) 34%,#0000),#0000 72%),linear-gradient(#111746,#202a5a)}
.pick-body{display:grid;gap:8px;padding:18px 22px 22px}
.pick-num{display:flex;align-items:center;gap:10px;font-size:11px;font-weight:600;letter-spacing:1.8px;color:var(--accent);text-transform:uppercase}
.pick-desc{font-size:14px;line-height:1.7;color:var(--text-2)}
.pa{display:block;width:100%;max-width:300px}
.pa .ui{border-radius:12px 12px 0 0;box-shadow:0 -8px 30px #0006}
.pa .ui-body{padding:12px 12px 0}
.pa-h{height:172px}
.pa-shelf{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;align-items:end;padding-bottom:0}
.pa-prod{position:relative;display:grid;gap:5px;padding:6px 6px 10px;border-radius:9px 9px 0 0;background:#fff;box-shadow:0 10px 22px #0005;color:#202124}
.pa-prod .ph{--h:64px}
.pa-prod b{font-size:10px;font-weight:600}
.pa-prod.is-on{outline:2px solid var(--accent);transform:translateY(-8px)}
.pa-flow{display:grid;grid-template-columns:1fr 14px 1fr 14px 1fr;align-items:center;gap:0;margin-bottom:22px}
.pa-node{display:grid;justify-items:center;gap:6px;padding:12px 6px;border-radius:10px;background:#fff;box-shadow:0 10px 22px #0005;color:#202124;text-align:center;font-size:10px;font-weight:600}
.pa-node .ico{width:20px;height:20px;color:#1a56db}
.pa-node.is-core{background:#e6f0ff}
.pa-flow s{height:2px;background:var(--accent);text-decoration:none;opacity:.8}
.pa-board{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;align-items:start}
.pa-col{padding:7px;border-radius:9px 9px 0 0;background:#eef2f7;min-height:150px;color:#202124}
.pa-col>b{display:block;margin-bottom:6px;font-size:9px;letter-spacing:.4px;text-transform:uppercase;color:#5f6368}
.pa-card{display:grid;gap:4px;margin-bottom:6px;padding:7px;border-radius:6px;background:#fff;box-shadow:0 2px 6px #0002}
.pa-card.is-on{box-shadow:inset 3px 0 0 var(--accent-solid,#1a73e8),0 2px 6px #0002}
.pa-phone{width:170px;padding:8px 8px 0;border-radius:18px 18px 0 0;background:#0c112f;box-shadow:0 -8px 30px #0006}
.pa-phone .ui{border-radius:12px 12px 0 0;box-shadow:none}
.pa-lines{display:grid;gap:8px;padding:12px}
.pa-res{display:grid;gap:9px;padding:10px 12px 0}
.pa-res>div{padding:8px 10px;border-radius:8px;background:#f3f7fc}
.pa-res>div.is-on{background:#fff;outline:2px solid var(--accent-solid,#5b7fe8);box-shadow:0 4px 12px #0003}
.pa-res b{display:block;font-size:11px;font-weight:500;color:#1a0dab}
.pa-slide{padding:12px}
.pa-slide h5{margin:0 0 8px;font-size:12px;font-weight:700;color:#202124}
.pa-prog{height:5px;border-radius:3px;background:#e3e7ec;overflow:hidden;margin-top:10px}
.pa-prog s{display:block;height:100%;width:60%;background:#1a56db;text-decoration:none}

.dp-block h4{display:flex;align-items:center;gap:10px;margin:0 0 16px;font-size:12px;font-weight:600;letter-spacing:1.6px;text-transform:uppercase;color:var(--accent)}
.dp-block h4 .ico{width:16px;height:16px}
.signs{display:grid;gap:10px}
.signs li{position:relative;padding:14px 16px 14px 40px;border:1px solid var(--edge);border-radius:10px;background:var(--surface-2);font-size:14px;line-height:1.7;color:var(--text-2)}
.signs li:before{content:'';position:absolute;left:17px;top:22px;width:8px;height:8px;border-radius:50%;background:var(--warn)}
.flow{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;counter-reset:fl}
.flow li{counter-increment:fl;position:relative;display:grid;gap:8px;align-content:start;padding:18px 18px 20px;border:1px solid var(--edge);border-radius:12px;background:var(--surface-2);font-size:14px;line-height:1.65;color:var(--text-2)}
.flow li:before{content:counter(fl,decimal-leading-zero);font-size:13px;font-weight:600;letter-spacing:1.4px;color:var(--accent)}
.flow li b{font-weight:600;font-size:15px;line-height:1.4;color:var(--text)}
.flow.is-row{grid-template-columns:repeat(5,minmax(0,1fr))}
.flow.is-row li+li:after{content:'';position:absolute;left:-13px;top:28px;width:14px;height:1px;background:var(--accent);opacity:.55}

/* input → core → output */
.machine{display:grid;grid-template-columns:minmax(0,1fr) 48px minmax(150px,200px) 48px minmax(0,1fr);align-items:center;gap:6px}
.mach-col{display:grid;gap:10px}
.mach-col>small{font-size:11px;font-weight:600;letter-spacing:1.6px;text-transform:uppercase;color:var(--muted)}
.mach-col li{display:flex;gap:12px;align-items:flex-start;padding:13px 15px;border:1px solid var(--edge);border-radius:10px;background:var(--surface-2);font-size:14px;line-height:1.6;color:var(--text-2)}
.mach-col li .ico{flex:none;width:18px;height:18px;margin-top:2px;color:var(--accent)}
.mach-col.is-out li{color:var(--text);font-weight:500}
.mach-pipe{height:1px;background:linear-gradient(90deg,#0000,var(--accent),#0000)}
.mach-core{display:grid;justify-items:center;gap:8px;padding:24px 14px;text-align:center;border:1px solid var(--accent-line);border-radius:16px;background:radial-gradient(ellipse at 50% 0,var(--accent-glow),#0000 75%),#192151;box-shadow:0 0 42px var(--accent-glow)}
.mach-core .ico{width:28px;height:28px;color:var(--accent)}
.mach-core b{font-size:15px;font-weight:600;letter-spacing:-.2px}
.mach-core span{font-size:12px;color:var(--text-4);line-height:1.5}

.dp-time{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin:0}
.dp-time>div{display:grid;gap:4px;padding:14px 16px;border:1px solid var(--edge);border-radius:10px;background:var(--surface-2)}
.dp-time dt{font-size:13px;color:var(--text-4)}
.dp-time dd{margin:0;font-size:16px;font-weight:600;line-height:1.5;color:var(--text)}


/* ---------- recap cards / principles ---------- */
.recap{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.recap.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.rc{display:grid;gap:10px;align-content:start;padding:24px;text-align:left;font:inherit;color:inherit;border:1px solid var(--edge);border-radius:14px;background:var(--card);transition:transform .2s,border-color .2s}
a.rc:hover,button.rc:hover{transform:translateY(-4px);border-color:var(--accent)}
.rc-badge{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:var(--accent-bg);border:1px solid var(--accent-line);color:var(--accent)}
.rc b{font-size:18px;font-weight:600;letter-spacing:-.3px}
.rc span.t{font-size:14px;line-height:1.7;color:var(--text-2)}
.rc em.go{font-style:normal;font-size:13px;font-weight:500;color:var(--accent)}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:10px;max-width:860px;margin-inline:auto}
.faq details{border:1px solid var(--edge);border-radius:12px;background:var(--surface-2);transition:border-color .2s}
.faq details[open]{border-color:var(--accent-line);background:var(--surface)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 24px;cursor:pointer;list-style:none;font-size:16px;font-weight:500;line-height:1.5;letter-spacing:-.2px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:'+';flex:none;font-size:22px;font-weight:400;line-height:1;color:var(--accent);transition:transform .25s var(--ease)}
.faq details[open] summary:after{transform:rotate(45deg)}
.faq details>p{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ---------- next / footer ---------- */
.next{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;margin-top:100px;padding:40px;border:1px solid var(--edge-strong);border-radius:14px;background:linear-gradient(130deg,#192151ec,#080b2ef5);box-shadow:0 20px 60px #0003}
.next h3{font-size:26px;letter-spacing:-.8px}
.next p{margin-top:8px;max-width:56ch;font-size:15px;line-height:1.75;color:var(--text-2)}
.next .kicker{margin-bottom:12px}
.next .ctas{margin-top:0}
/* ---------- filter chips (Blog, Dự án) ---------- */
.filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:28px}
.chip{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border:1px solid var(--edge);border-radius:999px;background:var(--surface-3);font-size:14px;color:var(--text-2);transition:border-color .2s,background .2s,color .2s;font-family:inherit;cursor:pointer}
.chip:hover{border-color:var(--accent-line);color:var(--text)}
.chip[aria-pressed=true]{border-color:var(--accent);background:var(--accent-bg);color:var(--accent)}
.chip small{font-size:11px;color:var(--muted)}
.chip[aria-pressed=true] small{color:inherit}
.result-count{margin:0 0 0 auto;font-size:13px;color:var(--text-4)}
.sources{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:26px;font-size:12px;line-height:1.7;color:var(--text-4)}

.search-box{display:flex;align-items:center;gap:12px;padding:0 18px;border:1px solid var(--edge);border-radius:12px;background:var(--surface-3)}
.search-box:focus-within{border-color:var(--accent)}
.search-box .ico{flex:none;color:var(--muted)}
.search-box input{flex:1;min-width:0;padding:16px 0;border:0;outline:0;background:none;color:var(--text);font:inherit;font-size:15px}
.search-box input::placeholder{color:var(--muted)}
.empty{display:grid;justify-items:center;gap:12px;padding:56px 24px;text-align:center;border:1px dashed var(--edge-strong);border-radius:16px;background:var(--surface-2)}
.empty[hidden]{display:none}
.empty h3{font-size:22px}
.empty p{font-size:15px;color:var(--text-2)}

/* article */
.art-hero{padding:150px 0 56px;background:linear-gradient(#0000 70%,var(--bg))}
.art-hero h1{max-width:22ch;font-size:clamp(30px,3.4vw,52px)}
.art-hero .lead{max-width:62ch}
.art-meta{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:22px;font-size:13px;color:var(--text-4)}
.art-meta span{display:inline-flex;align-items:center;gap:8px}
.art-meta .ico{width:15px;height:15px;color:var(--accent)}
.art-layout{display:grid;grid-template-columns:270px minmax(0,740px);gap:56px;justify-content:center;align-items:start}
.toc{position:sticky;top:100px;display:grid;gap:18px}
.toc details{border:1px solid var(--edge);border-radius:12px;background:var(--surface)}
.toc summary{padding:16px 18px;cursor:pointer;list-style:none;font-size:11px;font-weight:600;letter-spacing:1.8px;text-transform:uppercase;color:var(--accent)}
.toc summary::-webkit-details-marker{display:none}
.toc nav{display:grid;gap:2px;padding:0 10px 12px;counter-reset:toc}
.toc nav a{counter-increment:toc;display:flex;gap:12px;padding:10px 10px;border-radius:8px;font-size:13px;line-height:1.5;color:var(--text-2);transition:background .2s,color .2s}
.toc nav a:before{content:counter(toc,decimal-leading-zero);flex:none;font-size:11px;font-weight:600;letter-spacing:1.2px;color:var(--muted);padding-top:2px}
.toc nav a:hover,.toc nav a[aria-current=true]{background:#ffffff0f;color:var(--text)}
.toc nav a[aria-current=true]:before{color:var(--accent)}
.toc .back{font-size:13px;color:var(--accent)}
.toc .back:hover{text-decoration:underline}
.prose{min-width:0}
.prose section{scroll-margin-top:100px}
.prose section+section{margin-top:52px}
.prose h2{display:grid;grid-template-columns:auto minmax(0,1fr);gap:16px;align-items:baseline;font-size:clamp(24px,2.4vw,30px);line-height:1.35;letter-spacing:-.8px}
.prose h2 span{font-size:14px;font-weight:600;letter-spacing:1.6px;color:var(--accent)}
.prose p{margin-top:18px;font-size:17px;line-height:1.95;color:var(--text-2);text-wrap:pretty}
.takeaway{margin:56px 0 0;display:grid;grid-template-columns:52px minmax(0,1fr);gap:20px;align-items:start;padding:24px 26px;border:1px solid var(--accent-line);border-left:4px solid var(--accent);border-radius:14px;background:linear-gradient(100deg,color-mix(in srgb,var(--accent) 16%,#111746),#111746 70%)}
.takeaway .rc-badge{width:48px;height:48px}
.takeaway h2{font-size:22px}
.takeaway p{margin-top:10px;font-size:15px;line-height:1.85}
.svc-card{margin-top:28px;display:grid;gap:14px;padding:26px 28px;border:1px solid var(--edge-strong);border-radius:14px;background:linear-gradient(130deg,#192151ec,#080b2ef5)}
.svc-card h2{font-size:22px}
.svc-card>p{margin:0;font-size:15px;line-height:1.75}
.svc-card ul{display:grid;gap:8px}
.svc-card .ctas{margin-top:6px}
.art-next{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:36px}
.art-next a{display:grid;gap:6px;padding:18px 20px;border:1px solid var(--edge);border-radius:12px;background:var(--surface-2);transition:border-color .2s}
.art-next a:hover{border-color:var(--accent)}
.art-next small{font-size:11px;letter-spacing:1.6px;text-transform:uppercase;color:var(--muted)}
.art-next b{font-size:15px;font-weight:500;line-height:1.5}
.art-next a.is-next{text-align:right}

/* ---------- Liên hệ: form ---------- */
.contact-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:28px;align-items:start}
.form-card{padding:34px 36px 36px;border:1px solid var(--edge);border-radius:18px;background:var(--surface);box-shadow:0 24px 70px #0003}
.form-card h2{font-size:clamp(24px,2.4vw,32px);letter-spacing:-.9px}
.form-card .intro{margin-top:10px;font-size:15px;line-height:1.75;color:var(--text-2)}
.notice{display:flex;gap:10px;align-items:flex-start;margin:20px 0 26px;padding:13px 16px;border:1px solid #f4b8604d;border-radius:10px;background:#f4b8601a;font-size:13px;line-height:1.7;color:#f2dcb6}
.notice .ico{flex:none;width:16px;height:16px;margin-top:3px;color:var(--warn)}
.notice.is-live{border-color:#8ce0b44d;background:#8ce0b41a;color:#cdeedb}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:grid;gap:8px;min-width:0;margin-bottom:16px}
.fields .field{margin-bottom:0}
.fields{margin-bottom:16px}
.field label{font-size:14px;font-weight:500;color:var(--text)}
.field .optional{font-weight:400;color:var(--muted)}
.field input,.field select,.field textarea{width:100%;min-width:0;padding:14px 16px;border:1px solid #ffffff24;border-radius:10px;background:#0d133f;color:var(--text);font:inherit;font-size:15px;line-height:1.5}
.field textarea{resize:vertical;min-height:130px}
.field select{appearance:none;background-image:linear-gradient(45deg,#0000 50%,var(--cyan) 50%),linear-gradient(135deg,var(--cyan) 50%,#0000 50%);background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;background-size:6px 6px,6px 6px;background-repeat:no-repeat;padding-right:40px}
.field input::placeholder,.field textarea::placeholder{color:#7d93a7}
.field input:hover,.field select:hover,.field textarea:hover{border-color:#ffffff40}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
.field [aria-invalid=true]{border-color:var(--bad)}
.field-hint{font-size:12px;line-height:1.6;color:var(--muted)}
.field-error{min-height:0;font-size:13px;line-height:1.6;color:var(--bad)}
.field-error:empty{display:none}
.opt{margin:4px 0 20px;border:1px solid var(--edge);border-radius:10px;background:var(--surface-2)}
.opt summary{padding:14px 18px;cursor:pointer;font-size:14px;color:var(--text-2)}
.opt[open] summary{border-bottom:1px solid var(--edge);color:var(--text)}
.opt .fields{padding:18px;margin-bottom:0}
.opt .field:last-child{grid-column:1/-1}
.consent{display:flex;gap:12px;align-items:flex-start;font-size:14px;line-height:1.7;font-weight:400!important;color:var(--text-2)}
.consent input{flex:none;width:18px;height:18px;margin-top:4px;padding:0;accent-color:var(--cyan)}
.form-status{margin-top:18px;padding:0;font-size:14px;line-height:1.7;border-radius:10px}
.form-status:not(:empty){padding:13px 16px;border:1px solid var(--edge);background:var(--surface-2)}
.form-status.success{border-color:#8ce0b44d!important;background:#8ce0b41a!important;color:#cdeedb}
.form-status.error{border-color:#ff9b9b55!important;background:#ff9b9b1a!important;color:#ffd3d3}
.prep{position:sticky;top:100px;display:grid;gap:18px}
.prep-card{padding:26px 26px 24px;border:1px solid var(--card-line);border-radius:18px;background:var(--card);box-shadow:var(--card-shadow)}
.prep-card .kicker{margin-bottom:12px}
.prep-card h3{font-size:22px;letter-spacing:-.5px}
.prep-card>p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--text-2)}
.prep-card>p.is-hint{color:var(--text-4)}
.prep-card>p.is-hint[hidden],.prep-card[hidden]{display:none}
.ring-row{display:grid;grid-template-columns:auto minmax(0,1fr);gap:18px;align-items:center;margin-top:18px}
.ring-prog{position:relative;display:grid;place-items:center;width:78px;height:78px}
.ring-prog svg{position:absolute;inset:0;width:100%;height:100%;transform:rotate(-90deg)}
.ring-prog circle{fill:none;stroke-width:6}
.ring-prog .bg{stroke:#ffffff1a}
.ring-prog .fg{stroke:var(--accent);stroke-linecap:round;transition:stroke-dashoffset .4s var(--ease)}
.ring-prog b{position:relative;font-size:15px;font-weight:600}
.ring-row small{font-size:12px;line-height:1.6;color:var(--text-4)}
.check-items{display:grid;gap:8px;margin-top:18px}
.check-items label{display:flex;gap:14px;align-items:flex-start;padding:13px 15px;border:1px solid var(--edge);border-radius:8px;background:var(--surface-2);font-size:14px;line-height:1.7;color:var(--text-2);cursor:pointer;transition:border-color .2s,color .2s}
.check-items label:has(input:checked){border-color:var(--accent-line);color:var(--text)}
.check-items input{flex:none;width:18px;height:18px;margin-top:4px;accent-color:var(--cyan)}
.prep-links{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:16px}
.prep-links a{font-size:14px;font-weight:500;color:var(--accent)}
.prep-links a:hover{text-decoration:underline}
.brief-list{display:grid;gap:12px;margin-top:16px}
.brief-list li{display:grid;grid-template-columns:32px minmax(0,1fr);gap:12px;align-items:start;font-size:14px;line-height:1.7;color:var(--text-2)}
.brief-list b{display:block;font-weight:600;color:var(--text)}
.brief-list i{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;background:var(--accent-bg);border:1px solid var(--accent-line);font-style:normal;font-size:12px;font-weight:600;color:var(--accent)}
.channels-note{padding:16px 18px;border:1px dashed var(--edge-strong);border-radius:12px;font-size:13px;line-height:1.75;color:var(--text-4)}
.channels{padding:24px 26px;border:1px solid var(--card-line);border-radius:18px;background:var(--card)}
.channels[hidden],.channels-note[hidden]{display:none}
.channels h3{font-size:20px;margin-bottom:12px}
.channels dl{display:grid;gap:12px;margin:0}
.channels dl>div[hidden]{display:none}
.channels dt{font-size:12px;color:var(--muted)}
.channels dd{margin:2px 0 0;font-size:15px;color:var(--text)}
.channels a{color:var(--accent)}
.ex-card{display:grid;gap:12px;align-content:start}
.ex-card blockquote{margin:6px 0 0;padding:14px 16px;border-left:3px solid var(--accent);border-radius:0 10px 10px 0;background:var(--accent-bg);font-size:14px;line-height:1.75;color:var(--text)}
.ex-card small{font-size:11px;letter-spacing:1.4px;text-transform:uppercase;color:var(--muted)}

/* ---------- responsive ---------- */
@media(max-width:1100px){
  .flow.is-row{grid-template-columns:repeat(3,minmax(0,1fr))}
  .flow.is-row li:nth-child(3n+1):after{content:none}
  .contact-layout{grid-template-columns:minmax(0,1fr)}
  .prep{position:static}
}
@media(max-width:1000px){
  .hero-inner{grid-template-columns:minmax(0,1fr);gap:28px}
  .pw-hero{min-height:0;padding:118px 0 100px}
  .hero-stage{min-height:0;perspective:none}
  .hero-stage:before{display:none}
  .stack{min-height:0;transform:none!important;display:grid;grid-template-columns:1fr 1fr;gap:26px 14px;align-items:start}
  .card3d{position:relative;inset:auto!important;width:auto!important;height:auto!important;transform:none!important;animation:none}
  .card3d.s1{grid-column:1/-1}
  .card3d.s5{display:none}
  .hero-copy .lead{max-width:60ch}
  .machine{grid-template-columns:minmax(0,1fr);gap:10px}
  .mach-pipe{justify-self:center;width:1px;height:26px;background:linear-gradient(#0000,var(--accent),#0000)}
  .art-layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .toc{position:static}
  .recap.cols-3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:760px){
  .lp-section{padding:76px 0}
  .sec-head{margin-bottom:30px}
  .chap-head.has-num{grid-template-columns:minmax(0,1fr);gap:8px}
  .chap-num{font-size:48px;letter-spacing:-2px}
  .pick-art{height:186px}
  .flow.is-row{grid-template-columns:minmax(0,1fr)}
  .flow.is-row li+li:after{content:none}
  .next{margin-top:64px;padding:26px}
  .next h3{font-size:21px}
  .next .ctas{width:100%}
  .next .btn{width:100%}
  .form-card{padding:26px 20px}
  .fields{grid-template-columns:minmax(0,1fr)}
  .art-next{grid-template-columns:minmax(0,1fr)}
  .art-next a.is-next{text-align:left}
  .art-hero{padding:118px 0 40px}
  .prose p{font-size:16px}
  .takeaway{grid-template-columns:minmax(0,1fr);gap:12px;padding:22px}
  .svc-card{padding:22px}
  .result-count{margin-left:0;width:100%}  .ctas .btn{flex:1 1 100%}
}
@media(max-width:480px){
  .stack{grid-template-columns:minmax(0,1fr)}
  .card3d{max-width:none}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .card3d{animation:none}
  .stack,.tile,.rc,.blog-card,.rv,.chip,.ring-prog .fg{transition:none}
  html.pw-js .rv:not(.in){opacity:1;transform:none}
}

/* small additions */
.checks.cols-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 30px}
.checks li+li{margin-top:0}
.checks:not(.cols-2) li+li{margin-top:9px}
.mach-col ul{display:grid;gap:10px}
@media(max-width:760px){.checks.cols-2{grid-template-columns:minmax(0,1fr)}}

/* alignment fixes */
.machine{align-items:stretch}
.mach-col{align-content:start}
.mach-core,.mach-pipe{align-self:center}
.dp-time+.note{margin-top:16px}
.dp-text{margin:0;max-width:72ch;font-size:16px;line-height:1.85;color:var(--text-2)}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.ex-card .btn{justify-self:start;margin-top:4px}
.ex-card .btn b{font-size:inherit;font-weight:inherit;letter-spacing:0}

/* ---------- landing-page blocks: service tiles (Về ONMATE) ---------- */
.tile{position:relative;display:flex;flex-direction:column;border:1px solid var(--card-line);border-radius:18px;background:var(--card);box-shadow:var(--card-shadow);overflow:hidden;transition:opacity .6s var(--ease),transform .35s var(--ease),border-color .25s}
.tile:hover,.tile:focus-within{transform:translateY(-4px);border-color:var(--accent-line)}
.tile .pick-art{height:156px}
.tile .pick-body{display:flex;flex-direction:column;flex:1;gap:10px}
.tile h3{font-size:19px;font-weight:600;letter-spacing:-.3px;color:var(--text)}
.tile .checks{display:grid;gap:7px;margin-top:2px}
.tile .checks li{font-size:13.5px;line-height:1.6}
.tile-links{display:flex;flex-wrap:wrap;gap:8px 10px;margin-top:auto;padding-top:8px}
.tile-links a{padding:8px 14px;border:1px solid var(--edge);border-radius:999px;background:var(--surface-3);font-size:13px;color:var(--text);transition:border-color .2s,color .2s}
.tile-links a:first-child{border-color:var(--accent-line);color:var(--accent)}
.tile-links a:hover{border-color:var(--accent);color:var(--accent)}
.next.is-compact{padding:30px 34px}
.next.is-compact h3{font-size:22px}

.v-projects .card3d.s1{width:min(290px,54%)}

@media(max-width:760px){
  .recap,.recap.cols-3{grid-template-columns:minmax(0,1fr)}
  .next.is-compact{padding:24px 22px}
}

/* recap cards used as links: pin the "go" line to the bottom so rows align */
a.rc{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
a.rc em.go{margin-top:auto;padding-top:6px}
.rc small{font-size:11px;font-weight:600;letter-spacing:1.6px;text-transform:uppercase;color:var(--muted)}

/* hero logo card: fixed tile height so wide logos cannot stretch the card */
.logo-tiles span{aspect-ratio:auto;height:52px;padding:6px;overflow:hidden}
.logo-tiles img{max-width:90%;max-height:100%;width:auto;height:auto}
.v-projects .card3d.s1{width:min(268px,52%)}

/* ---------- Dự án: brand band + groups ---------- */
/* moving logo band (decorative, aria-hidden; built by projects.js) */
.wall-stage{position:relative;margin:6px 0 46px;padding:34px 0 46px;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,#0000,#000 9%,#000 91%,#0000);mask-image:linear-gradient(90deg,#0000,#000 9%,#000 91%,#0000)}
.wall-stage:before{content:'';position:absolute;inset:18% 6% 22%;border-radius:50%;background:radial-gradient(closest-side,color-mix(in srgb,var(--accent) 26%,#0000),#0000);filter:blur(30px);opacity:.7;pointer-events:none}
.mq-rows{position:relative;display:grid;gap:14px;transform:rotate(-1.8deg) scale(1.04);transform-origin:50% 50%}
.mq-row{display:flex;overflow:hidden}
.mq-row:nth-child(2){opacity:.86}
.mq-row:nth-child(3){opacity:.7}
.mq-track{display:flex;flex:none;width:max-content;will-change:transform}
.mq-tile{display:grid;place-items:center;flex:none;width:168px;height:88px;margin-right:14px;padding:12px 16px;border-radius:16px;background:#fff;box-shadow:0 14px 30px -10px #000c,inset 0 0 0 1px #0000000f}
.mq-tile.is-dark{background:#0d122f;box-shadow:0 14px 30px -10px #000c,inset 0 0 0 1px #ffffff1a}
.mq-tile img{display:block;width:auto;height:auto;max-width:100%;max-height:54px;object-fit:contain}
.wall-stage.is-live .mq-track{animation:mq-left var(--dur,60s) linear infinite}
.wall-stage.is-live .mq-row.is-rev .mq-track{animation-name:mq-right}
.wall-stage.is-live:hover .mq-track,.wall-stage.is-paused .mq-track,.wall-stage.is-off .mq-track{animation-play-state:paused}
@keyframes mq-left{to{transform:translate3d(-50%,0,0)}}
@keyframes mq-right{from{transform:translate3d(-50%,0,0)}to{transform:translate3d(0,0,0)}}
.mq-toggle{position:absolute;right:max(5%,calc((100% - 1180px) / 2 + 5%));bottom:8px;display:none;align-items:center;gap:8px;padding:7px 14px 7px 12px;border:1px solid var(--edge);border-radius:999px;background:#0c113ce6;color:var(--text-2);font:500 12px/1 'Be Vietnam Pro',Arial,sans-serif;letter-spacing:.2px;cursor:pointer;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:border-color .2s,color .2s}
.wall-stage.is-live .mq-toggle{display:inline-flex}
.mq-toggle:hover{border-color:var(--accent-line);color:var(--text)}
.mq-ico{position:relative;width:10px;height:12px;border-left:3px solid currentColor;border-right:3px solid currentColor}
.mq-toggle[aria-pressed=true] .mq-ico{width:0;height:0;border:0;border-left:10px solid currentColor;border-top:6px solid #0000;border-bottom:6px solid #0000}

/* jump cards: one per work group */
.group-jump{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:0 0 34px}
.gj{position:relative;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:8px 18px;padding:22px 22px 24px;border:1px solid var(--accent-line);border-radius:18px;background:radial-gradient(220px circle at 0 0,var(--accent-glow),#0000 72%),var(--card);box-shadow:var(--card-shadow);color:var(--text);text-decoration:none;transition:transform .35s var(--ease),border-color .3s,box-shadow .35s var(--ease)}
.gj:hover{transform:translateY(-5px);border-color:var(--accent);box-shadow:inset 0 1px 0 #ffffff14,0 22px 46px -16px var(--accent)}
.gj-num{font-size:clamp(46px,4.6vw,64px);font-weight:600;line-height:1;letter-spacing:-2.5px;font-variant-numeric:tabular-nums;color:var(--accent);background:linear-gradient(var(--accent),color-mix(in srgb,var(--accent) 35%,#0000));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:#0000}
.gj-txt{display:grid;gap:3px;min-width:0}
.gj-txt b{font-size:16px;font-weight:600;letter-spacing:-.2px}
.gj-txt small{font-size:13px;color:var(--text-4)}
.gj-go{display:grid;place-items:center;width:34px;height:34px;border:1px solid var(--accent-line);border-radius:50%;font-size:15px;color:var(--accent);transition:background .25s,color .25s,transform .35s var(--ease)}
.gj:hover .gj-go{background:var(--accent);color:#080c30;transform:translateY(3px)}
.gj-bar{grid-column:1/-1;height:4px;margin-top:6px;overflow:hidden;border-radius:99px;background:#ffffff14}
.gj-bar i{display:block;height:100%;width:var(--w);border-radius:inherit;background:linear-gradient(90deg,var(--accent),color-mix(in srgb,var(--accent) 45%,#fff));transform:scaleX(0);transform-origin:left;transition:transform 1.2s var(--ease) .25s}
.group-jump.in .gj-bar i,html:not(.pw-js) .gj-bar i{transform:none}

/* group cards: sticky summary + logo wall */
.grp-list{display:grid;gap:30px}
.grp{--sx:18%;--sy:0%;position:relative;display:grid;gap:34px;min-width:0;padding:40px 40px 34px;border:1px solid var(--accent-line);border-radius:24px;background:radial-gradient(560px circle at var(--sx) var(--sy),var(--accent-glow),#0000 66%),var(--card);box-shadow:var(--card-shadow);scroll-margin-top:96px}
.grp:before{content:'';position:absolute;left:28px;right:28px;top:-1px;height:2px;background:linear-gradient(90deg,#0000,var(--accent),#0000);opacity:.85;pointer-events:none}
.grp-main{display:grid;grid-template-columns:minmax(0,310px) minmax(0,1fr);gap:44px;min-width:0}
.grp-side{display:grid;align-content:start;gap:22px;align-self:start;min-width:0}
.grp-badge{width:52px;height:52px;border-radius:14px}
.grp-badge .ico{width:24px;height:24px}
.grp-count{display:grid;gap:2px;margin:0;color:var(--text-4);font-size:13px}
.grp-count b{font-size:clamp(84px,9vw,124px);font-weight:600;line-height:.86;letter-spacing:-6px;font-variant-numeric:tabular-nums;background:linear-gradient(170deg,var(--accent),color-mix(in srgb,var(--accent) 22%,#0000) 88%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:#0000}
.grp-count span{letter-spacing:2px;text-transform:uppercase;font-size:11px;font-weight:500}
.grp-title{display:grid;gap:8px;min-width:0}
.grp-title .kicker{margin:0}
.grp-title h3{font-size:clamp(22px,2.3vw,28px);line-height:1.25;letter-spacing:-.7px}
.grp-intro{font-size:14.5px;line-height:1.75;color:var(--text-2)}
.logo-wall{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,142px),1fr));gap:14px;align-content:start;margin:0;padding:0;list-style:none}
.wall-item{display:grid;grid-template-rows:auto auto;gap:9px;min-width:0;transition:opacity .6s var(--ease) calc(var(--i,0) * 32ms),transform .6s var(--ease) calc(var(--i,0) * 32ms)}
html.pw-js .grp:not(.in) .wall-item{opacity:0;transform:translateY(20px) scale(.94)}
.wall-logo{--rx:0deg;--ry:0deg;--px:50%;--py:50%;position:relative;display:grid;place-items:center;height:84px;padding:12px 14px;border:1px solid var(--edge);border-radius:14px;background:#fff;overflow:hidden;transform:perspective(560px) rotateX(var(--rx)) rotateY(var(--ry));transition:transform .25s var(--ease),box-shadow .3s var(--ease),border-color .3s}
.wall-logo:after{content:'';position:absolute;inset:0;border-radius:inherit;background:radial-gradient(120px circle at var(--px) var(--py),color-mix(in srgb,var(--accent) 34%,#0000),#0000 70%);opacity:0;transition:opacity .3s;pointer-events:none}
.wall-logo.is-dark{background:#0d122f}
.wall-logo img{position:relative;display:block;width:auto;height:auto;max-width:100%;max-height:56px;object-fit:contain;transition:transform .35s var(--ease)}
.wall-item:hover .wall-logo{border-color:var(--accent);box-shadow:0 16px 34px -12px var(--accent),0 0 0 1px var(--accent-line)}
.wall-item:hover .wall-logo:after{opacity:1}
.wall-item:hover .wall-logo img{transform:scale(1.07)}
.wall-name{padding:0 2px;font-size:12px;font-weight:400;line-height:1.4;text-align:center;color:var(--text-4);transition:color .25s}
.wall-item:hover .wall-name{color:var(--text)}
.grp-foot{display:grid;gap:20px;padding-top:26px;border-top:1px solid var(--edge)}
.grp-does{display:flex;flex-wrap:wrap;gap:8px 28px;margin:0;padding:0;list-style:none;font-size:14px;color:var(--text-2)}
.grp-does li{display:flex;align-items:center;gap:8px}
.grp-does .ico{width:16px;height:16px;flex:none;color:var(--accent)}
.grp-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 24px}
.grp-actions .tile-links{margin:0;padding:0}
.grp-actions .tile-links a{border-color:var(--edge);color:var(--text)}
.grp-actions .tile-links a:hover{border-color:var(--accent);color:var(--accent)}
.grp-cta{display:flex;flex-wrap:wrap;gap:10px}
.flow.is-row.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.chap-head .lead a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
@media(min-width:1001px) and (min-height:760px){
  .grp-side{position:sticky;top:120px}
}
@media(max-width:1100px){
  .flow.is-row.cols-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow.is-row.cols-4 li:after{content:none}
}
@media(max-width:1000px){
  .grp{gap:28px;padding:32px 28px 28px}
  .grp-main{grid-template-columns:minmax(0,1fr);gap:28px}
  .grp-side{grid-template-columns:auto minmax(0,1fr);align-items:end;gap:18px 22px}
  .grp-badge{grid-column:1;grid-row:1}
  .grp-count{grid-column:2;grid-row:1;justify-self:end;text-align:right}
  .grp-count b{font-size:76px;letter-spacing:-4px}
  .grp-title{grid-column:1/-1}
}
@media(max-width:760px){
  .wall-stage{margin-bottom:34px;padding:26px 0 40px}
  .mq-tile{width:132px;height:72px;margin-right:10px;padding:10px 12px}
  .mq-tile img{max-height:44px}
  .mq-rows{gap:10px}
  .group-jump{grid-template-columns:minmax(0,1fr);gap:12px}
  .gj{padding:18px 18px 20px}
  .grp{padding:26px 20px 24px;gap:24px;border-radius:20px}
  .grp:before{left:20px;right:20px}
  .logo-wall{grid-template-columns:repeat(auto-fill,minmax(min(100%,128px),1fr));gap:10px}
  .wall-logo{height:72px;padding:10px}
  .wall-logo img{max-height:48px}
  .grp-actions{flex-direction:column;align-items:stretch}
  .grp-cta{flex-direction:column}
  .grp-cta .btn{width:100%}
  .flow.is-row.cols-4{grid-template-columns:minmax(0,1fr)}
}
@media(prefers-reduced-motion:reduce){
  .wall-stage{display:none}
  .wall-item,.wall-logo,.wall-logo img,.gj,.gj-go,.gj-bar i{transition:none}
  html.pw-js .grp:not(.in) .wall-item{opacity:1;transform:none}
  .gj-bar i{transform:none}
}

.chip:focus-visible{outline:2px solid var(--accent);outline-offset:2px}




/* article: reading progress + current section in the outline */
.read-progress{position:fixed;left:0;right:0;top:0;z-index:60;height:3px;background:#ffffff12;pointer-events:none}
.read-progress i{display:block;height:100%;transform:scaleX(0);transform-origin:left;background:linear-gradient(90deg,var(--accent),#fff);box-shadow:0 0 12px var(--accent)}
.toc nav a[aria-current=true]{box-shadow:inset 2px 0 0 var(--accent)}


/* ==========================================================================
   Liên hệ — the brief as a live document, retinted by the chosen service
   ========================================================================== */
#service{scroll-margin-top:150px}
.form-card{position:relative;border-color:var(--accent-line);border-radius:24px;background:radial-gradient(620px circle at 18% 0,var(--accent-glow),#0000 66%),var(--surface)}
.form-card:before{content:'';position:absolute;left:34px;right:34px;top:-1px;height:2px;background:linear-gradient(90deg,#0000,var(--accent),#0000);opacity:.85;pointer-events:none}
.form-card.rv{transition:opacity .6s var(--ease),transform .6s var(--ease),border-color .35s,box-shadow .4s var(--ease)}
.form-card:focus-within{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent-line),0 34px 90px -44px var(--accent)}

.brief-rail{min-width:0}
.brief-doc{position:relative;padding:26px 26px 22px;border:1px solid var(--accent-line);border-radius:22px;background:linear-gradient(180deg,color-mix(in srgb,var(--accent) 10%,#171e4e),#111746);box-shadow:var(--card-shadow),0 34px 80px -46px var(--accent);transition:border-color .35s,box-shadow .4s var(--ease)}
.brief-doc:before{content:'';position:absolute;left:26px;right:26px;top:-1px;height:2px;background:linear-gradient(90deg,#0000,var(--accent),#0000);opacity:.85;pointer-events:none}
.brief-doc.is-ready{border-color:var(--accent)}
.doc-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px dashed var(--edge-strong)}
.doc-kicker{display:inline-flex;align-items:center;gap:9px;font-size:11px;font-weight:600;letter-spacing:2.4px;text-transform:uppercase;color:var(--accent)}
.doc-kicker .ico{width:16px;height:16px}
.doc-chip{padding:4px 11px;border:1px solid #f4b8604d;border-radius:999px;background:#f4b8601a;font-size:11px;font-weight:600;letter-spacing:.6px;color:var(--warn)}
.doc-rows{display:grid;margin:0;padding:0;list-style:none}
.doc-rows li{display:grid;grid-template-columns:22px minmax(0,1fr);column-gap:12px;row-gap:4px;align-items:center;padding:14px 0;border-bottom:1px dashed var(--edge)}
.doc-rows li>small{grid-column:2;font-size:11px;letter-spacing:1.4px;text-transform:uppercase;color:var(--text-4)}
.doc-rows li>b{grid-column:2;min-width:0;font-size:15px;font-weight:500;line-height:1.55;overflow-wrap:anywhere;color:var(--text);transition:color .25s}
.doc-rows li>b.is-empty{font-weight:400;color:var(--muted)}
.doc-tick{grid-column:1;grid-row:1/3;display:grid;place-items:center;width:20px;height:20px;border:1.5px solid var(--edge-strong);border-radius:50%;font-size:11px;font-weight:700;line-height:1;transition:background .3s,border-color .3s}
.doc-rows li.is-done .doc-tick{border-color:var(--accent);background:var(--accent)}
.doc-rows li.is-done .doc-tick:after{content:'\2713';color:#080c30}
.doc-rows li.doc-svc{grid-template-columns:minmax(0,1fr);padding-left:34px}
.doc-rows li.doc-svc>b{grid-column:1;display:flex;align-items:center;gap:10px}
.doc-rows li.doc-svc>small{grid-column:1}
.doc-ico{display:grid;place-items:center;flex:none;width:28px;height:28px;border:1px solid var(--accent-line);border-radius:9px;background:var(--accent-bg);color:var(--accent)}
.doc-ico [data-svc]{display:grid;place-items:center}
.doc-ico [data-svc][hidden]{display:none}
.doc-ico .ico{width:16px;height:16px}
.doc-rows li.doc-msg{border-bottom:0}
.doc-rows li.doc-msg>b{display:-webkit-box;overflow:hidden;-webkit-line-clamp:6;-webkit-box-orient:vertical;white-space:pre-line}
.doc-progress{display:grid;gap:10px;margin-top:4px;padding-top:16px;border-top:1px dashed var(--edge-strong)}
.doc-bar{display:flex;gap:6px}
.doc-bar i{flex:1;height:5px;border-radius:99px;background:#ffffff1a;transition:background .4s,box-shadow .4s}
.doc-bar i.on{background:var(--accent);box-shadow:0 0 12px var(--accent)}
.doc-count{font-size:12.5px;color:var(--text-4)}
.doc-count b{font-variant-numeric:tabular-nums;color:var(--text)}
.doc-foot{margin:14px 0 0;font-size:12px;line-height:1.7;color:var(--text-4)}
.doc-stamp{position:absolute;right:26px;top:-16px;padding:6px 16px;border:2px solid var(--accent);border-radius:8px;background:color-mix(in srgb,var(--accent) 14%,#0000);font-size:13px;font-weight:700;letter-spacing:1.6px;text-transform:uppercase;color:var(--accent);opacity:0;transform:rotate(7deg) scale(1.35);pointer-events:none;transition:opacity .3s,transform .5s cubic-bezier(.2,1.5,.4,1)}
.brief-doc.is-ready .doc-stamp{opacity:.97;transform:rotate(7deg) scale(1)}

/* prep row: what to have ready (three ideas), the checklist of the chosen service beside it */
.prep{position:static;display:grid;grid-template-columns:minmax(0,1fr);gap:20px;margin-top:32px}
.prep>.channels,.prep>.channels-note,.prep>.prep-links{grid-column:1/-1}
.prep>.prep-links{margin-top:0}
.prep-card.rv{transition:opacity .6s var(--ease),transform .6s var(--ease)}
.brief-list li{position:relative;transition:opacity .5s var(--ease) calc(.25s + var(--i,0) * 130ms),transform .5s var(--ease) calc(.25s + var(--i,0) * 130ms)}
html.pw-js .prep-card.rv:not(.in) .brief-list li{opacity:0;transform:translateY(14px)}
@media(min-width:901px){
  .prep .brief-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:22px}
  .prep .brief-list li{grid-template-columns:minmax(0,1fr);gap:12px;padding:22px;border:1px solid var(--edge);border-radius:16px;background:#ffffff06}
  .prep .brief-list i{width:auto;height:auto;justify-self:start;border:0;background:none;font-size:34px;font-weight:600;line-height:1;letter-spacing:-1.5px}
}
@media(min-width:1101px){
  .prep:has(#service-prep:not([hidden])){grid-template-columns:minmax(0,5fr) minmax(0,7fr);align-items:start}
  .prep:has(#service-prep:not([hidden])) .brief-list{grid-template-columns:minmax(0,1fr);gap:12px;margin-top:16px}
  .prep:has(#service-prep:not([hidden])) .brief-list li{grid-template-columns:32px minmax(0,1fr);gap:12px;padding:0;border:0;background:none}
  .prep:has(#service-prep:not([hidden])) .brief-list i{width:32px;height:32px;justify-self:auto;border:1px solid var(--accent-line);background:var(--accent-bg);font-size:12px;letter-spacing:0}
  .contact-layout{grid-template-columns:minmax(0,1fr) minmax(0,400px);gap:32px}
}
@media(min-width:1101px) and (min-height:640px){
  .brief-rail{position:sticky;top:104px}
}

/* examples: as messages you could actually send */
.ex-card{grid-template-rows:auto auto auto 1fr auto;gap:12px}
.ex-card.rv{transition:opacity .6s var(--ease) calc(var(--i,0) * 90ms),transform .6s var(--ease) calc(var(--i,0) * 90ms),border-color .3s,box-shadow .4s var(--ease)}
.ex-card:hover{transform:translateY(-4px);border-color:var(--accent-line);box-shadow:0 26px 60px -38px var(--accent)}
.ex-card blockquote{position:relative;margin:6px 0 4px;padding:18px 20px 18px;border:1px solid var(--accent-line);border-left:1px solid var(--accent-line);border-radius:18px 18px 18px 4px;background:var(--accent-bg);font-size:14.5px;line-height:1.75}
.ex-card blockquote:before{content:'\201C';position:absolute;top:2px;right:14px;font-family:Georgia,'Times New Roman',serif;font-size:56px;line-height:1;color:var(--accent);opacity:.4}
.ex-card .btn{justify-self:start;margin-top:4px}

@media(max-width:760px){
  .form-card:before,.brief-doc:before{left:20px;right:20px}
  .brief-doc{padding:22px 20px 20px}
  .doc-stamp{right:20px;top:-14px}
}
@media(prefers-reduced-motion:reduce){
  .form-card.rv,.brief-doc,.doc-bar i,.doc-tick,.doc-rows li>b,.brief-list li,.prep-card.rv,.ex-card.rv{transition:none}
  .doc-stamp{transform:rotate(7deg);transition:none}
  .brief-doc.is-ready .doc-stamp{transform:rotate(7deg)}
  html.pw-js .prep-card.rv:not(.in) .brief-list li{opacity:1;transform:none}
  .ex-card:hover{transform:none}
}