/* Tư vấn triển khai AI và quy trình phần mềm: nền xanh đêm, điểm nhấn xanh ngọc (AI) + indigo, hổ phách cho "làm tay" */
:root{
  --bg:#050a18; --bg2:#0a1330; --bg3:#0e1a3d; --panel:rgba(129,140,248,.06); --line:rgba(148,163,255,.15);
  --txt:#e7ecff; --mut:#97a3c6;
  --teal:#2dd4bf; --teal2:#99f6e4; --ind:#818cf8; --ind2:#6366f1; --amb:#fbbf24; --red:#fb7185;
  --r:16px; --max:1160px;
  --sis-cart-bar-bg:#0a1330;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Be Vietnam Pro',system-ui,sans-serif;background:var(--bg);color:var(--txt);line-height:1.65;overflow-x:hidden}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:'Lexend','Be Vietnam Pro',sans-serif;line-height:1.2;margin:0;font-weight:700;letter-spacing:-.01em}
h2{font-size:clamp(25px,3.2vw,38px);text-wrap:balance}
p{margin:0}
img{max-width:100%}
.material-symbols-outlined{font-size:22px;vertical-align:middle;line-height:1}
.hl{background:linear-gradient(90deg,var(--teal),var(--ind));-webkit-background-clip:text;background-clip:text;color:transparent}

/* ── nền: hai quầng sáng + lưới chấm ─────────────────────────── */
.sky{position:fixed;inset:0;z-index:-1;overflow:hidden;background:linear-gradient(180deg,#060d22 0%,var(--bg) 60%)}
.glow{position:absolute;border-radius:50%;filter:blur(90px);opacity:.32;animation:breathe 14s ease-in-out infinite alternate}
.g1{width:560px;height:560px;right:-160px;top:-160px;background:var(--teal)}
.g2{width:620px;height:620px;left:-220px;top:45vh;background:var(--ind2);animation-delay:-7s;opacity:.28}
@keyframes breathe{to{transform:scale(1.15) translate(30px,20px);opacity:.2}}
.dots{position:absolute;inset:0;background-image:radial-gradient(rgba(153,246,228,.16) 1px,transparent 1.4px);background-size:26px 26px;mask-image:linear-gradient(180deg,#000 0%,transparent 70%);-webkit-mask-image:linear-gradient(180deg,#000 0%,transparent 70%)}

/* ── reveal ──────────────────────────────────────────────────── */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.1s}.d2{transition-delay:.2s}.d3{transition-delay:.3s}.d4{transition-delay:.4s}

/* ── thanh trên ──────────────────────────────────────────────── */
.top{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:20px;padding:11px 24px;background:rgba(5,10,24,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-family:'Lexend',sans-serif;font-weight:600}
.brand img{border-radius:8px;height:auto}
.topnav{display:flex;gap:20px;margin-left:auto;font-size:14px;color:var(--mut)}
.topnav a:hover{color:var(--teal2)}
@media(max-width:860px){.topnav{display:none}.top .btn{margin-left:auto}}

/* ── nút: chữ nhật bo vừa, xanh ngọc đặc ─────────────────────── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;font-family:inherit;font-weight:700;font-size:15px;padding:12px 20px;border:1px solid transparent;cursor:pointer;transition:transform .15s,box-shadow .2s,background .2s,border-color .2s}
.btn:active{transform:scale(.97)}
.btn-main{background:var(--teal);color:#032b26;box-shadow:0 10px 30px -12px rgba(45,212,191,.8)}
.btn-main:hover{background:var(--teal2);transform:translateY(-2px);box-shadow:0 16px 36px -12px rgba(45,212,191,.9)}
.btn-line{background:rgba(45,212,191,.06);border-color:rgba(45,212,191,.45);color:var(--teal2)}
.btn-line:hover{background:rgba(45,212,191,.14)}
.btn-lg{padding:15px 24px;font-size:16px}
.btn-sm{padding:9px 15px;font-size:13.5px}
.btn.full{width:100%}

/* ── hero ────────────────────────────────────────────────────── */
.hero{max-width:var(--max);margin:0 auto;padding:70px 24px 46px;display:grid;grid-template-columns:1.08fr .92fr;gap:46px;align-items:center}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;color:var(--teal2);padding:6px 14px 6px 10px;border-radius:10px;background:rgba(45,212,191,.09);border:1px solid rgba(45,212,191,.3);margin-bottom:20px}
.kicker .material-symbols-outlined{font-size:19px}
h1{font-size:clamp(34px,5vw,60px);font-weight:800;letter-spacing:-.025em}
h1 .hl{position:relative;white-space:nowrap}
h1 .hl::after{content:"";position:absolute;left:0;right:0;bottom:-.06em;height:.12em;border-radius:4px;background:linear-gradient(90deg,var(--teal),var(--ind));transform-origin:left;transform:scaleX(0);animation:under 1s .9s cubic-bezier(.2,.7,.2,1) forwards;opacity:.7}
@keyframes under{to{transform:scaleX(1)}}
.lead{font-size:17.5px;color:var(--mut);max-width:560px;margin:22px 0 28px}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.for{list-style:none;padding:0;margin:28px 0 0;display:flex;gap:10px;flex-wrap:wrap}
.for li{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;font-weight:600;padding:7px 12px;border-radius:10px;background:var(--panel);border:1px solid var(--line);color:var(--txt)}
.for .material-symbols-outlined{font-size:18px;color:var(--ind)}

/* sơ đồ nối công cụ */
.hero-visual{position:relative}
.orbit{position:relative;width:100%;max-width:460px;aspect-ratio:1/1;margin:0 auto}
.wires{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.wires line{stroke:rgba(148,163,255,.28);stroke-width:1.6;stroke-dasharray:3 6;vector-effect:non-scaling-stroke;animation:wire 6s ease-in-out infinite}
.wires line:nth-child(2){animation-delay:.5s}.wires line:nth-child(3){animation-delay:1s}.wires line:nth-child(4){animation-delay:1.5s}.wires line:nth-child(5){animation-delay:2s}.wires line:nth-child(6){animation-delay:2.5s}
@keyframes wire{0%,20%{stroke:rgba(148,163,255,.22);stroke-dasharray:3 6}45%,85%{stroke:rgba(45,212,191,.85);stroke-dasharray:200 0}100%{stroke:rgba(148,163,255,.22);stroke-dasharray:3 6}}
.ring{position:absolute;left:50%;top:50%;border-radius:50%;border:1px dashed rgba(148,163,255,.2);transform:translate(-50%,-50%)}
.r1{width:76%;height:76%}
.r2{width:46%;height:46%;border-style:solid;border-color:rgba(45,212,191,.16)}
.spark{position:absolute;left:50%;top:50%;width:76%;height:76%;transform:translate(-50%,-50%);animation:spin 9s linear infinite;pointer-events:none}
.spark::before{content:"";position:absolute;left:50%;top:-5px;width:10px;height:10px;margin-left:-5px;border-radius:50%;background:var(--teal);box-shadow:0 0 14px 4px rgba(45,212,191,.6)}
@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg)}}
.core{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:36%;aspect-ratio:1/1;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;background:radial-gradient(circle at 35% 30%,#16306a,#0a1330 70%);border:1px solid rgba(45,212,191,.45);box-shadow:0 0 0 10px rgba(45,212,191,.05),0 0 60px -10px rgba(45,212,191,.55)}
.core .material-symbols-outlined{font-size:34px;color:var(--teal)}
.core b{font-family:'Lexend',sans-serif;font-size:15px;margin-top:4px}
.core small{font-size:11.5px;color:var(--mut)}
.sat{position:absolute;transform:translate(-50%,-50%);display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;white-space:nowrap;padding:7px 11px;border-radius:10px;background:rgba(10,19,48,.94);border:1px solid var(--line);box-shadow:0 14px 30px -16px #000;animation:bob 6s ease-in-out infinite}
.sat .material-symbols-outlined{font-size:17px;color:var(--ind)}
.s1{left:50%;top:12%}
.s2{left:83%;top:31%;animation-delay:-1s}
.s3{left:83%;top:69%;animation-delay:-2s}
.s4{left:50%;top:88%;animation-delay:-3s}
.s5{left:17%;top:69%;animation-delay:-4s}
.s6{left:17%;top:31%;animation-delay:-5s}
@keyframes bob{50%{margin-top:-6px}}
.orbit-cap{text-align:center;font-size:13px;color:var(--mut);margin-top:8px}
@media(max-width:920px){
  .hero{grid-template-columns:1fr;padding-top:44px;gap:30px}
  .orbit{max-width:380px}
}
@media(max-width:520px){
  h1{font-size:32px}
  .lead{font-size:16px}
  .cta .btn{width:100%}
  .sat{font-size:12px;padding:6px 9px}
  .sat .material-symbols-outlined{font-size:15px}
  .core b{font-size:13px}
  .core .material-symbols-outlined{font-size:26px}
}

/* ── dải sự thật ─────────────────────────────────────────────── */
.facts{max-width:var(--max);margin:0 auto;padding:0 24px;display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-radius:var(--r)}
.facts div{display:grid;grid-template-columns:auto 1fr;column-gap:12px;align-items:start;padding:20px 18px;background:var(--panel);border:1px solid var(--line);border-right:0}
.facts div:first-child{border-radius:var(--r) 0 0 var(--r)}
.facts div:last-child{border-right:1px solid var(--line);border-radius:0 var(--r) var(--r) 0}
.facts .material-symbols-outlined{grid-row:span 2;font-size:26px;color:var(--teal);padding:8px;border-radius:10px;background:rgba(45,212,191,.1)}
.facts b{font-family:'Lexend',sans-serif;font-size:17px}
.facts span:last-child{font-size:13.5px;color:var(--mut);line-height:1.5}
@media(max-width:900px){
  .facts{grid-template-columns:1fr 1fr;gap:10px}
  .facts div,.facts div:first-child,.facts div:last-child{border:1px solid var(--line);border-radius:var(--r)}
}
@media(max-width:520px){.facts{grid-template-columns:1fr}}

/* ── section chung ───────────────────────────────────────────── */
.section{max-width:var(--max);margin:0 auto;padding:84px 24px}
.sec-head{text-align:center;max-width:780px;margin:0 auto 40px}
.eyebrow{display:inline-block;font-family:'JetBrains Mono',monospace;font-size:12.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--teal);margin-bottom:12px}
.eyebrow::before{content:"// ";color:var(--ind)}
.sec-sub{color:var(--mut);margin-top:14px;font-size:16px}

/* ── nỗi đau ─────────────────────────────────────────────────── */
.pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media(max-width:980px){.pain-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.pain-grid{grid-template-columns:1fr}}
.pain{position:relative;padding:24px 22px;border-radius:var(--r);background:linear-gradient(180deg,rgba(251,113,133,.07),transparent 70%),var(--panel);border:1px solid var(--line)}
.pain::before{content:"";position:absolute;left:22px;right:22px;top:0;height:2px;background:linear-gradient(90deg,var(--red),transparent)}
.pain .tag{display:inline-block;font-family:'JetBrains Mono',monospace;font-size:12px;font-weight:700;color:var(--red);margin-bottom:12px}
.pain h3{font-size:17px;margin-bottom:8px}
.pain p{font-size:14.5px;color:var(--mut)}

/* ── KHỐI ĐỘNG: quy trình ────────────────────────────────────── */
.flow{border-radius:22px;background:linear-gradient(180deg,rgba(14,26,61,.9),rgba(10,19,48,.92));border:1px solid var(--line);box-shadow:0 50px 90px -50px #000,0 0 0 1px rgba(45,212,191,.04) inset;overflow:hidden}
.flow-bar{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;padding:14px 18px;border-bottom:1px solid var(--line);background:rgba(5,10,24,.35)}
.flow-title{display:flex;align-items:center;gap:10px;font-family:'JetBrains Mono',monospace;font-size:13px;color:var(--mut)}
.live{width:9px;height:9px;border-radius:50%;background:var(--amb);box-shadow:0 0 0 0 rgba(251,191,36,.6);animation:beat 1.6s infinite}
.flow[data-mode=ai] .live{background:var(--teal);box-shadow:0 0 0 0 rgba(45,212,191,.6)}
@keyframes beat{70%{box-shadow:0 0 0 9px rgba(0,0,0,0)}}
.seg{display:inline-flex;padding:4px;border-radius:12px;background:rgba(5,10,24,.6);border:1px solid var(--line)}
.seg-btn{display:inline-flex;align-items:center;gap:6px;font:inherit;font-size:13.5px;font-weight:600;color:var(--mut);background:transparent;border:0;border-radius:9px;padding:8px 13px;cursor:pointer;transition:all .25s}
.seg-btn .material-symbols-outlined{font-size:18px}
.seg-btn.on[data-mode=tay]{background:rgba(251,191,36,.16);color:#fde68a}
.seg-btn.on[data-mode=ai]{background:rgba(45,212,191,.18);color:var(--teal2)}

.flow-body{position:relative;padding:62px 20px 22px}
.token{position:absolute;left:0;top:16px;display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;white-space:nowrap;padding:5px 11px;border-radius:999px;background:#fde68a;color:#3b2a03;box-shadow:0 8px 20px -8px rgba(251,191,36,.8);transform:translateX(-50%);transition:left .8s cubic-bezier(.5,0,.2,1),background .3s,color .3s;z-index:3}
.token .material-symbols-outlined{font-size:16px}
.flow[data-mode=ai] .token{background:var(--teal2);color:#04312b;box-shadow:0 8px 20px -8px rgba(45,212,191,.9)}
.token.idle{opacity:0}

.stages{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.stage{position:relative;display:flex;flex-direction:column;padding:16px 14px 14px;border-radius:14px;background:rgba(5,10,24,.45);border:1px solid var(--line);transition:border-color .35s,box-shadow .35s,background .35s;min-width:0}
.stage:not(:last-child)::after{content:"";position:absolute;right:-17px;top:34px;width:14px;height:2px;background:rgba(148,163,255,.3)}
.stage:not(:last-child)::before{content:"";position:absolute;right:-18px;top:30px;border:5px solid transparent;border-left-color:rgba(148,163,255,.45);border-right:0}
.stage.on{border-color:rgba(251,191,36,.7);box-shadow:0 0 0 4px rgba(251,191,36,.08),0 18px 40px -24px rgba(251,191,36,.6)}
.flow[data-mode=ai] .stage.on{border-color:rgba(45,212,191,.75);box-shadow:0 0 0 4px rgba(45,212,191,.08),0 18px 40px -24px rgba(45,212,191,.7)}
.st-head{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.st-ic{flex:none;display:inline-flex;padding:7px;border-radius:10px;background:rgba(129,140,248,.14);color:var(--ind);transition:background .35s,color .35s}
.st-ic .material-symbols-outlined{font-size:20px}
.stage.ai .st-ic{background:rgba(45,212,191,.15);color:var(--teal)}
.stage.keep.ai .st-ic{background:rgba(148,163,255,.12);color:var(--ind)}
.st-name{font-family:'Lexend',sans-serif;font-weight:700;font-size:15.5px}
.st-no{margin-left:auto;font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--mut)}
.st-main{flex:1;display:flex;flex-direction:column;min-width:0}
.st-chip{align-self:flex-start;display:inline-flex;align-items:center;gap:4px;font-size:11.5px;font-weight:700;padding:3px 8px;border-radius:7px;margin-bottom:8px;transition:all .3s}
.st-chip .material-symbols-outlined{font-size:14px}
.st-chip.c-tay{background:rgba(251,191,36,.14);color:#fcd34d}
.st-chip.c-ai{display:none;background:rgba(45,212,191,.16);color:var(--teal2)}
.stage.keep .st-chip.c-ai{background:rgba(148,163,255,.14);color:#c7d2fe}
.stage.ai .st-chip.c-tay{display:none}
.stage.ai .st-chip.c-ai{display:inline-flex;animation:pop .45s ease both}
@keyframes pop{0%{transform:scale(.5);opacity:0}70%{transform:scale(1.12)}100%{transform:none;opacity:1}}
.st-txt{font-size:13.5px;color:var(--mut);line-height:1.5;min-height:62px;flex:1}
.st-txt .t-ai{display:none}
.stage.ai .st-txt .t-tay{display:none}
.stage.ai .st-txt .t-ai{display:inline;color:var(--txt)}
.st-warn{position:absolute;top:-10px;right:10px;display:inline-flex;align-items:center;gap:3px;font-size:11px;font-weight:700;color:#3b0a14;background:var(--red);padding:2px 7px;border-radius:6px;opacity:0;transform:translateY(4px);transition:all .3s}
.st-warn .material-symbols-outlined{font-size:13px}
.stage.jam .st-warn{opacity:1;transform:none}
.stage.ai .st-warn{opacity:0}
.st-time{display:flex;align-items:center;gap:7px;margin-top:10px}
.st-time .material-symbols-outlined{font-size:16px;color:var(--mut)}
.bar{flex:1;height:7px;border-radius:99px;background:rgba(148,163,255,.12);overflow:hidden}
.bar i{display:block;height:100%;width:0;border-radius:99px;background:linear-gradient(90deg,#f59e0b,var(--amb));transition:width .9s cubic-bezier(.3,.7,.3,1)}
.stage.ai .bar i{background:linear-gradient(90deg,var(--teal),var(--ind))}

.flow-sum{padding:4px 20px 20px;display:grid;gap:9px}
.sum-row{display:grid;grid-template-columns:140px 1fr;align-items:center;gap:12px;font-size:13px}
.sum-lb{color:var(--mut);font-weight:600}
.sum-track{height:10px;border-radius:99px;background:rgba(148,163,255,.1);overflow:hidden}
.sum-track i{display:block;height:100%;width:0;border-radius:99px;transition:width 1.1s cubic-bezier(.3,.7,.3,1)}
.sum-row.tay i{background:linear-gradient(90deg,#f59e0b,var(--amb))}
.sum-row.ai i{background:linear-gradient(90deg,var(--teal),var(--ind))}
.flow-note{display:flex;gap:8px;align-items:flex-start;font-size:13px;color:var(--mut);margin-top:6px;padding-top:12px;border-top:1px dashed var(--line)}
.flow-note .material-symbols-outlined{font-size:17px;color:var(--ind);margin-top:1px}

@media(max-width:980px){
  .stages{grid-template-columns:1fr;gap:12px}
  .stage{display:grid;grid-template-columns:1fr 150px;column-gap:16px;align-items:center}
  .stage .st-head{grid-column:1/-1}
  .st-txt{min-height:0}
  .st-time{margin-top:0}
  .stage:not(:last-child)::after{right:auto;left:30px;top:auto;bottom:-12px;width:2px;height:12px}
  .stage:not(:last-child)::before{display:none}
  .token{display:none}
  .flow-body{padding-top:22px}
}
@media(max-width:560px){
  .flow-bar{padding:12px}
  .seg{width:100%}
  .seg-btn{flex:1;justify-content:center;padding:8px 6px;font-size:12.5px}
  .flow-body{padding:18px 12px}
  .stage{grid-template-columns:1fr}
  .st-time{margin-top:10px}
  .flow-sum{padding:4px 12px 16px}
  .sum-row{grid-template-columns:1fr;gap:5px}
}

/* ── lợi ích ─────────────────────────────────────────────────── */
.gains{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:760px){.gains{grid-template-columns:1fr}}
.gain{display:flex;gap:18px;padding:26px;border-radius:var(--r);background:var(--panel);border:1px solid var(--line);transition:border-color .25s,transform .25s}
.gain:hover{border-color:rgba(45,212,191,.45);transform:translateY(-3px)}
.gain .ic{flex:none;font-size:28px;color:var(--teal);padding:12px;border-radius:14px;background:linear-gradient(135deg,rgba(45,212,191,.16),rgba(129,140,248,.14));height:fit-content}
.gain h3{font-size:18px;margin-bottom:6px}
.gain p{font-size:14.5px;color:var(--mut)}

/* ── ví dụ thật ──────────────────────────────────────────────── */
.case{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center;padding:38px;border-radius:24px;background:linear-gradient(120deg,rgba(129,140,248,.12),rgba(45,212,191,.06)),var(--bg2);border:1px solid var(--line)}
@media(max-width:860px){.case{grid-template-columns:1fr;padding:26px}}
.case h2{font-size:clamp(23px,2.6vw,32px);margin-bottom:14px}
.case-text p{color:var(--mut);margin-bottom:14px}
.case-map{font-size:14.5px;padding:12px 14px;border-left:3px solid var(--teal);background:rgba(45,212,191,.06);border-radius:0 10px 10px 0}
.case-map b{color:var(--teal2)}
.case-text .btn{margin-top:6px}
.mini{display:grid;gap:8px;padding:18px;border-radius:16px;background:rgba(5,10,24,.6);border:1px solid var(--line);font-size:13.5px}
.mini-row{display:flex;gap:10px;align-items:baseline;padding:10px 12px;border-radius:10px;background:rgba(148,163,255,.07)}
.who{flex:none;font-family:'JetBrains Mono',monospace;font-size:11.5px;color:var(--amb)}
.mini-arrow{display:flex;align-items:center;gap:4px;font-size:12px;color:var(--mut);padding-left:8px}
.mini-arrow .material-symbols-outlined{font-size:16px;color:var(--teal)}
.mini-ticket{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:10px 12px;border-radius:10px;border:1px solid rgba(45,212,191,.4);background:rgba(45,212,191,.07)}
.mt-id{font-family:'JetBrains Mono',monospace;font-weight:700;color:var(--teal2)}
.mt-title{flex:1;min-width:140px}
.mt-tag{font-size:11px;font-weight:700;padding:2px 7px;border-radius:6px;background:rgba(251,113,133,.16);color:#fecdd3}
.mini-report{display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:10px;background:rgba(129,140,248,.12);color:#e0e7ff}
.mini-report .material-symbols-outlined{color:var(--ind);font-size:19px}
.mini-cap{text-align:right;font-size:12px;color:var(--mut);margin-top:6px}

/* ── gói ─────────────────────────────────────────────────────── */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
@media(max-width:920px){.plans{grid-template-columns:1fr}}
.plan{position:relative;display:flex;flex-direction:column;padding:30px 26px 26px;border-radius:20px;background:var(--panel);border:1px solid var(--line)}
.plan.main{background:linear-gradient(170deg,rgba(45,212,191,.13),rgba(99,102,241,.1) 60%),var(--bg2);border-color:rgba(45,212,191,.5);box-shadow:0 40px 80px -46px rgba(45,212,191,.6)}
.plan-flag{position:absolute;top:-12px;left:22px;font-size:12px;font-weight:700;padding:4px 10px;border-radius:8px;background:var(--ind2);color:#fff;box-shadow:0 8px 20px -10px rgba(99,102,241,.9)}
.plan-ic{font-size:30px;color:var(--teal);margin-bottom:12px}
.plan h3{font-size:21px;margin-bottom:4px}
.plan-sub{color:var(--mut);font-size:14px;margin-bottom:18px}
.inc{list-style:none;margin:0 0 22px;padding:0;display:grid;gap:10px;font-size:14.5px;flex:1;align-content:start}
.inc li{display:flex;gap:8px;align-items:flex-start}
.inc .material-symbols-outlined{flex:none;font-size:19px;color:var(--teal);margin-top:2px}
.plans-note{text-align:center;color:var(--mut);font-size:14.5px;margin-top:22px}

/* ── 4 bước: đường chạy ngang, vạch sáng dần khi hiện ────────── */
.path{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.path::before{content:"";position:absolute;left:0;right:0;top:20px;height:2px;background:rgba(148,163,255,.16)}
.path::after{content:"";position:absolute;left:0;right:0;top:20px;height:2px;background:linear-gradient(90deg,var(--teal),var(--ind));transform-origin:left;transform:scaleX(0);transition:transform 1.6s .3s cubic-bezier(.3,.7,.3,1)}
.path.in::after{transform:scaleX(1)}
.path li{position:relative;padding-top:54px}
.pn{position:absolute;z-index:2;top:0;left:0;display:flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;font-family:'JetBrains Mono',monospace;font-weight:700;font-size:14px;background:var(--bg2);border:1px solid rgba(45,212,191,.5);color:var(--teal2);box-shadow:0 0 0 6px var(--bg)}
.path h3{font-size:18px;margin-bottom:6px}
.path p{font-size:14.5px;color:var(--mut)}
@media(max-width:860px){
  .path{grid-template-columns:1fr;gap:24px}
  .path::before,.path::after{left:20px;right:auto;top:0;bottom:0;width:2px;height:auto}
  .path::after{transform:scaleY(0);transform-origin:top}
  .path.in::after{transform:scaleY(1)}
  .path li{padding:0 0 0 62px;min-height:42px}
}

/* ── hỏi đáp ─────────────────────────────────────────────────── */
.faq{max-width:820px;margin:0 auto;display:grid;gap:10px}
details{border-radius:14px;border:1px solid var(--line);background:var(--panel);padding:0 20px;transition:border-color .2s}
details[open]{border-color:rgba(45,212,191,.45)}
summary{cursor:pointer;list-style:none;padding:16px 0;font-weight:700;display:flex;justify-content:space-between;align-items:center;gap:14px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";flex:none;font-size:22px;color:var(--teal);transition:transform .25s}
details[open] summary::after{transform:rotate(45deg)}
details p{padding:0 0 16px;color:var(--mut);font-size:14.5px}

/* ── form lead ───────────────────────────────────────────────── */
.contact{padding-top:20px}
.contact-box{display:grid;grid-template-columns:1fr 1fr;gap:36px;padding:38px;border-radius:24px;background:linear-gradient(140deg,rgba(45,212,191,.1),rgba(99,102,241,.12)),var(--bg2);border:1px solid rgba(45,212,191,.28)}
@media(max-width:860px){.contact-box{grid-template-columns:1fr;padding:24px}}
.contact-box h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:14px}
.contact-text>p{color:var(--mut)}
.contact-ok{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:8px;font-size:14.5px}
.contact-ok li{display:flex;gap:8px;align-items:center}
.contact-ok .material-symbols-outlined{font-size:19px;color:var(--teal)}
.contact-alt{margin-top:18px;font-size:15px}
.contact-alt a{color:var(--teal2);font-weight:700;border-bottom:1px dashed rgba(153,246,228,.5)}
form{display:grid;gap:10px;align-content:start}
input,select,textarea{width:100%;font:inherit;font-size:15px;color:var(--txt);background:rgba(5,10,24,.55);border:1px solid var(--line);border-radius:12px;padding:13px 14px;outline:none;transition:border-color .2s,box-shadow .2s}
input::placeholder,textarea::placeholder{color:#7783a6}
input:focus,select:focus,textarea:focus{border-color:var(--teal);box-shadow:0 0 0 4px rgba(45,212,191,.16)}
select option{color:#111}
textarea{resize:vertical}
form .btn{margin-top:4px}
.form-note{font-size:12.5px;color:var(--mut);text-align:center}
.sis-lead-error{color:var(--red);font-size:14px}

/* ── footer & CTA dính ───────────────────────────────────────── */
.foot{max-width:var(--max);margin:0 auto;padding:30px 24px 110px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:var(--mut);border-top:1px solid var(--line)}
.foot b{color:var(--txt)}
.foot-links{display:flex;gap:18px;flex-wrap:wrap}
.foot-links a{color:var(--teal2)}
.foot-links a:hover{text-decoration:underline}
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:60;display:none;align-items:center;justify-content:space-between;gap:12px;padding:11px 14px;background:rgba(5,10,24,.95);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid rgba(45,212,191,.3)}
.sticky-cta span{display:flex;flex-direction:column;line-height:1.3;min-width:0}
.sticky-cta b{font-family:'Lexend',sans-serif;font-size:14.5px}
.sticky-cta small{font-size:12px;color:var(--teal2)}
.sticky-cta .btn{flex:none;padding:10px 16px;font-size:14px}
@media(max-width:860px){.sticky-cta{display:flex}}
@media(min-width:861px){.foot{padding-bottom:40px}}

/* Landing dịch vụ không có giỏ: ẩn hẳn thanh giỏ của lead.js */
.sis-cart-bar{display:none!important}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  h1 .hl::after{transform:scaleX(1)}
  .path::after{transform:none}
  .wires line{stroke:rgba(45,212,191,.6);stroke-dasharray:none}
}