/* dichvu.minhdangco.com — IT trọn gói theo tháng. Kế thừa kiến trúc CSS của minhdangco.com. */
:root{
  --bg:#f6f7f9; --surface:#ffffff; --surface-2:#f0f3f7; --ink:#0d1b2a; --muted:#5a6876; --line:#e2e7ee;
  --brand:#1b5fa8; --brand-strong:#0b2238; --navy:#0b2238; --accent:#ff7a3d; --accent-2:#22b8a7;
  --on-accent:#0b2238; --accent-deep:#b5451a; --accent-soft:#ffb48a; --signal:#5fe0a6;
  --hero-bg:#0b2238; --hero-ink:#eef4fb; --hero-muted:#a9bccf;
  --shadow:0 1px 2px rgba(13,27,42,.05),0 8px 28px rgba(13,27,42,.07);
  --shadow-lg:0 2px 4px rgba(13,27,42,.06),0 24px 60px rgba(13,27,42,.14);
  --r:18px; --r-xl:22px; --r-2xl:26px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#081420; --surface:#0f1f2f; --surface-2:#132739; --ink:#e8eff6; --muted:#97a9ba; --line:#1e3448;
    --brand:#6fb1f2; --brand-strong:#e8eff6; --navy:#1d4670; --accent-deep:#ff7a3d;
    --hero-bg:#050e17;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 28px rgba(0,0,0,.25);
    --shadow-lg:0 2px 4px rgba(0,0,0,.3),0 24px 60px rgba(0,0,0,.45);
  }
}
:root[data-theme="dark"]{
  --bg:#081420; --surface:#0f1f2f; --surface-2:#132739; --ink:#e8eff6; --muted:#97a9ba; --line:#1e3448;
  --brand:#6fb1f2; --brand-strong:#e8eff6; --navy:#1d4670; --accent-deep:#ff7a3d; --hero-bg:#050e17;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 28px rgba(0,0,0,.25);
  --shadow-lg:0 2px 4px rgba(0,0,0,.3),0 24px 60px rgba(0,0,0,.45);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 "Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
img,svg{display:block;max-width:100%}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
@media (max-width:600px){.wrap{padding:0 16px}}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.mono{font-family:"JetBrains Mono",ui-monospace,Menlo,monospace;font-weight:500}
.nowrap{white-space:nowrap}
:focus-visible{outline:3px solid var(--brand);outline-offset:3px;border-radius:6px}
.hero :focus-visible,.contact :focus-visible,.cform :focus-visible{outline-color:#7fc4ff}

/* skip link */
.skip{position:absolute;left:16px;top:-60px;z-index:100;padding:10px 16px;border-radius:999px;background:var(--accent);color:var(--on-accent);font-weight:700;text-decoration:none;transition:top .2s}
.skip:focus{top:12px}

/* ---------- header ---------- */
header{position:fixed;inset:0 0 auto;z-index:50;transition:background .3s,box-shadow .3s,color .3s;color:var(--hero-ink)}
header.scrolled{background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);box-shadow:0 1px 0 var(--line);color:var(--ink)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
.logo{display:flex;align-items:center;gap:11px;font-weight:700;text-decoration:none;letter-spacing:-.015em;font-size:17px;white-space:nowrap}
.logo svg{width:34px;height:34px;flex:none}
.logo small{display:block;font-size:11px;font-weight:600;letter-spacing:.08em;opacity:.75;line-height:1.1;margin-top:2px}
.nav ul{display:flex;gap:4px;list-style:none;margin:0 auto;padding:0;font-size:15px;font-weight:500}
.nav ul a{white-space:nowrap;text-decoration:none;padding:8px 13px;border-radius:999px;opacity:.85;transition:opacity .2s,background .2s}
.nav ul a:hover{opacity:1;background:color-mix(in srgb,currentColor 9%,transparent)}
.nav-cta{display:flex;align-items:center;gap:8px}
.hotline{display:inline-flex;align-items:center;gap:8px;text-decoration:none;font-weight:600;font-size:15px;padding:8px 12px;border-radius:999px;white-space:nowrap}
.hotline:hover{background:color-mix(in srgb,currentColor 9%,transparent)}
.hotline svg{width:18px;height:18px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:600;text-decoration:none;font-size:15px;border:1px solid transparent;cursor:pointer;font-family:inherit;line-height:1.3;transition:transform .25s cubic-bezier(.2,.8,.2,1),box-shadow .25s,background .25s;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn svg{width:16px;height:16px;flex:none;transition:transform .25s}
.btn:hover svg.arr{transform:translateX(3px)}
.btn-accent{background:var(--accent);color:var(--on-accent);box-shadow:0 8px 24px -8px color-mix(in srgb,var(--accent) 80%,transparent)}
.btn-accent:hover{box-shadow:0 14px 32px -10px var(--accent)}
.btn-glass{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2);color:var(--hero-ink)}
.btn-glass:hover{background:rgba(255,255,255,.14)}
.btn-line{background:var(--surface);border-color:var(--line);color:var(--ink)}
.btn-line:hover{border-color:var(--brand);color:var(--brand)}
.btn-navy{background:var(--navy);color:#eef4fb}
.btn-navy:hover{box-shadow:0 12px 28px -10px rgba(11,34,56,.6)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn[disabled]{opacity:.6;cursor:default;transform:none}
.menu-btn{display:none;background:none;border:0;color:inherit;padding:8px;cursor:pointer;border-radius:10px}
.menu-btn svg{width:24px;height:24px}
@media (min-width:1041px) and (max-width:1200px){
  .nav ul{gap:0}
  .nav ul a{padding:8px 9px;font-size:14.5px}
  .hotline span{display:none}
  .hotline{padding:8px}
  .hotline svg{width:22px;height:22px}
}
@media (max-width:1040px){
  .nav ul{position:fixed;inset:72px 12px auto;flex-direction:column;background:var(--surface);color:var(--ink);padding:10px;border-radius:16px;box-shadow:var(--shadow-lg);opacity:0;transform:translateY(-8px);pointer-events:none;transition:.25s;border:1px solid var(--line)}
  .nav ul.open{opacity:1;transform:none;pointer-events:auto}
  .nav ul a{display:block;padding:12px 14px}
  .menu-btn{display:block}
}
@media (max-width:700px){
  .nav-cta .btn{display:none}
  .hotline span{display:none}
  .hotline{padding:8px}
  .hotline svg{width:22px;height:22px}
}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--hero-bg);color:var(--hero-ink);padding:140px 0 88px;overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;inset:0;z-index:-2;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;mask-image:radial-gradient(ellipse 80% 70% at 60% 40%,#000 30%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse 80% 70% at 60% 40%,#000 30%,transparent 75%)}
.orb{position:absolute;border-radius:50%;filter:blur(70px);z-index:-1;opacity:.5;animation:float 18s ease-in-out infinite}
.orb.a{width:520px;height:520px;background:#1b6fd1;top:-160px;right:-80px}
.orb.b{width:380px;height:380px;background:#ff7a3d;bottom:-200px;left:-120px;opacity:.28;animation-delay:-6s}
@keyframes float{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(40px,-30px) scale(1.08)}66%{transform:translate(-30px,25px) scale(.95)}}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.hero .kicker{color:var(--accent)}
h1{font-size:clamp(36px,5.6vw,64px);line-height:1.1;letter-spacing:-.035em;margin:0 0 22px;font-weight:800;text-wrap:balance}
h1 em{font-style:normal;color:var(--accent-soft)}
.hero .lead{font-size:clamp(17px,1.9vw,19.5px);color:var(--hero-muted);max-width:56ch;margin:0 0 32px;line-height:1.6}
.hero .lead strong{color:var(--hero-ink);font-weight:600}
.cta{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.cta .link{color:var(--hero-ink);font-weight:600;text-decoration:none;padding:12px 8px;display:inline-flex;align-items:center;gap:6px;border-bottom:1px solid transparent}
.cta .link:hover{border-bottom-color:currentColor}
.cta .link svg{width:16px;height:16px}
.trust{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 28px;margin-top:40px;font-size:14.5px;color:var(--hero-muted);list-style:none;padding:0}
.trust li{display:flex;align-items:flex-start;gap:9px}
.trust svg{width:18px;height:18px;color:var(--signal);flex:none;margin-top:3px}

/* hero: báo cáo tuần mẫu */
.report{position:relative;background:rgba(14,36,58,.72);border:1px solid rgba(255,255,255,.12);border-radius:20px;padding:20px;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 40px 80px -20px rgba(0,0,0,.55)}
.report-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.1)}
.report-top b{font-size:15px;letter-spacing:-.01em}
.report-top small{display:block;color:var(--hero-muted);font-size:12.5px;font-weight:400}
.report-top .chip{font:500 11.5px "JetBrains Mono",monospace;color:var(--hero-muted);padding:4px 9px;border:1px solid rgba(255,255,255,.14);border-radius:999px;white-space:nowrap}
.r-rows{display:grid;gap:8px;list-style:none;margin:0;padding:0}
.r-row{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:11px 13px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.06);font-size:13.5px}
.r-row .ic{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;background:rgba(255,255,255,.07)}
.r-row .ic svg{width:16px;height:16px;stroke-width:2}
.r-row .t{color:var(--hero-ink);font-weight:500;line-height:1.35}
.r-row .t small{display:block;color:var(--hero-muted);font:500 11.5px "JetBrains Mono",monospace;margin-top:3px}
.badge{font-size:11.5px;font-weight:600;padding:4px 10px;border-radius:999px;white-space:nowrap}
.badge.ok{background:rgba(53,201,138,.14);color:#5fe0a6}
.badge.run{background:rgba(255,122,61,.16);color:#ffb48a}
.badge.plan{background:rgba(127,196,255,.14);color:#9fd2ff}
.report-foot{margin:14px 0 0;font-size:12.5px;color:var(--hero-muted)}
@media (max-width:980px){
  .hero{padding:112px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .trust{grid-template-columns:1fr}
}
@media (max-width:420px){.cta .btn{width:100%}}

/* ---------- sections ---------- */
section{padding:104px 0;position:relative}
@media (max-width:700px){section{padding:68px 0}}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--accent-deep);text-transform:uppercase;letter-spacing:.1em;margin-bottom:14px}
.kicker::before{content:"";width:18px;height:2px;background:currentColor;border-radius:2px}
h2{font-size:clamp(29px,4vw,44px);letter-spacing:-.03em;line-height:1.18;margin:0 0 16px;font-weight:800;text-wrap:balance}
h3{letter-spacing:-.02em;line-height:1.25}
.sub{color:var(--muted);max-width:62ch;margin:0;font-size:17.5px}
.head{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:48px;flex-wrap:wrap}
.head .sub{flex:1 1 320px}
.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.alt .card,.alt .pain,.alt .pack,.alt .cm{background:var(--bg)}
.closing{margin:36px 0 0;font-size:17.5px;color:var(--ink);max-width:70ch;padding-left:18px;border-left:3px solid var(--accent)}
.closing em{font-style:normal;color:var(--muted)}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.grid2>*,.grid3>*,.grid4>*,.works>*,.tiers>*,.commits>*,.steps>*,.hero-grid>*,.why>*,.calc>*,.contact>*{min-width:0}
@media (max-width:980px){.grid3,.grid4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.grid2,.grid3,.grid4{grid-template-columns:1fr}}

/* thẻ chung */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);padding:30px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px;transition:transform .4s cubic-bezier(.2,.8,.2,1),box-shadow .4s,border-color .4s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.card h3{font-size:20px;margin:0}
.card p{margin:0;color:var(--muted);font-size:15.5px}
.card .icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:color-mix(in srgb,var(--brand) 12%,transparent);color:var(--brand)}
.card .icon svg{width:24px;height:24px}
.card .icon.warm{background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent-deep)}
.card .icon.cool{background:color-mix(in srgb,var(--accent-2) 16%,transparent);color:#157f74}
:root[data-theme="dark"] .card .icon.cool{color:var(--accent-2)}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .card .icon.cool{color:var(--accent-2)}}
@media (max-width:640px){.card{padding:24px}}

/* nỗi đau */
.pain{position:relative;padding-left:30px}
.pain::before{content:"";position:absolute;left:0;top:30px;bottom:30px;width:3px;border-radius:2px;background:var(--accent)}
.pain blockquote{margin:0;font-size:18px;font-weight:600;line-height:1.4;letter-spacing:-.01em}
.pain p{margin:0}

/* phép so sánh kế toán */
.why{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.why-text p{margin:0 0 16px;font-size:17px;color:var(--muted);line-height:1.75}
.why-text p strong{color:var(--ink);font-weight:600}
.why-text p:first-of-type{color:var(--ink);font-size:18.5px}
.mapviz{border:1px solid var(--line);border-radius:var(--r-2xl);background:var(--surface);box-shadow:var(--shadow);overflow:hidden}
.map-head{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;background:var(--surface-2);border-bottom:1px solid var(--line)}
.map-head div{padding:16px 18px;font-weight:700;font-size:14px;letter-spacing:-.01em}
.map-head div:first-child{color:var(--muted)}
.map-head div:last-child{color:var(--brand)}
.map-head .eq{width:44px;text-align:center;color:var(--muted);font-weight:500;padding:0}
.map-row{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;border-bottom:1px solid var(--line)}
.map-row:last-child{border-bottom:0}
.map-cell{display:flex;align-items:center;gap:12px;padding:16px 18px;font-size:14.5px;line-height:1.4}
.map-cell svg{width:22px;height:22px;flex:none;stroke-width:1.8}
.map-cell.l{color:var(--muted)}
.map-cell.r{color:var(--ink);font-weight:500}
.map-cell.r svg{color:var(--brand)}
.map-arrow{width:44px;display:grid;place-items:center;color:var(--accent)}
.map-arrow svg{width:18px;height:18px}
.map-foot{padding:14px 18px;font-size:13px;color:var(--muted);background:var(--surface-2);border-top:1px solid var(--line)}
@media (max-width:980px){.why{grid-template-columns:1fr;gap:36px}}
@media (max-width:480px){
  .map-cell{padding:12px 12px;font-size:13.5px;gap:8px}
  .map-cell svg{width:18px;height:18px}
  .map-arrow,.map-head .eq{width:28px}
  .map-arrow svg{width:14px;height:14px}
  .map-head div{padding:12px;font-size:13px}
}

/* bảng Trước đây – Bây giờ */
.tbl-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--shadow);overflow:hidden}
table.cmp{width:100%;border-collapse:collapse;font-size:15px}
table.cmp th,table.cmp td{text-align:left;padding:18px 20px;vertical-align:top;border-bottom:1px solid var(--line)}
table.cmp tbody tr:last-child td{border-bottom:0}
table.cmp thead th{background:var(--surface-2);font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:700}
table.cmp thead th.now{color:var(--brand)}
table.cmp td.job{font-weight:600;letter-spacing:-.01em}
table.cmp td.old{color:var(--muted)}
table.cmp td.now{background:color-mix(in srgb,var(--brand) 5%,transparent);font-weight:500}
table.cmp td.now b{color:var(--brand);font-weight:700}
.tbl-note{margin:16px 0 0;font-size:14px;color:var(--muted)}
@media (max-width:760px){
  table.cmp,table.cmp tbody,table.cmp tr,table.cmp td{display:block}
  table.cmp thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  table.cmp tr{border-bottom:8px solid var(--bg)}
  table.cmp tr:last-child{border-bottom:0}
  table.cmp td{border-bottom:0;padding:12px 18px}
  table.cmp td.job{padding-top:18px;font-size:16px}
  table.cmp td::before{content:attr(data-l);display:block;font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;font-weight:700;color:var(--muted);margin-bottom:4px}
  table.cmp td.job::before{display:none}
  table.cmp td.now{border-radius:0;padding-bottom:18px}
  table.cmp td.now::before{color:var(--brand)}
}

/* trong gói */
.pack .group{font:500 12.5px "JetBrains Mono",monospace;color:var(--accent-deep)}
.pack h3{font-size:19px}
.pack .eg{font-size:14.5px;color:var(--muted);margin:0;padding:12px 14px;background:var(--surface-2);border-radius:12px;border-left:3px solid var(--accent-2)}
.pack .eg b{color:var(--ink);font-weight:600}

/* ---------- bảng giá ---------- */
.price-note{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);background:var(--surface-2);border:1px solid var(--line);padding:6px 12px;border-radius:999px;margin-bottom:28px}
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.tier{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-2xl);padding:32px 28px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:18px}
.tier.pop{border-color:color-mix(in srgb,var(--accent) 55%,var(--line));box-shadow:var(--shadow-lg)}
.tier .ribbon{position:absolute;top:-13px;left:28px;background:var(--accent);color:var(--on-accent);font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;letter-spacing:.04em}
.tier h3{margin:0;font-size:22px}
.tier .fit{margin:-10px 0 0;color:var(--muted);font-size:14.5px;min-height:3em}
.tier .price{display:flex;align-items:baseline;gap:6px;flex-wrap:wrap}
.tier .price b{font-size:clamp(28px,3vw,34px);font-weight:800;letter-spacing:-.03em;line-height:1}
.tier .price span{color:var(--muted);font-size:14px}
.tier .vat{font-size:12.5px;color:var(--muted);margin:-12px 0 0}
.tier ul{list-style:none;margin:0;padding:18px 0 0;border-top:1px solid var(--line);display:grid;gap:12px;font-size:15px}
.tier li{display:flex;gap:10px;align-items:flex-start;line-height:1.45}
.tier li svg{flex:none;width:19px;height:19px;color:var(--accent-2);margin-top:2px}
.tier li b{font-weight:600}
.tier li small{display:block;color:var(--muted);font-size:13.5px}
.tier .btn{margin-top:auto}
.tier-more{margin-top:22px;display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
.deal{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:space-between;padding:24px 28px;border-radius:var(--r-xl);background:var(--navy);color:#eef4fb}
.deal p{margin:0;max-width:52ch}
.deal p b{display:block;font-size:17px;margin-bottom:2px}
.deal p span{color:#a9bccf;font-size:15px}
.excl{padding:24px 28px;border-radius:var(--r-xl);background:var(--surface);border:1px solid var(--line)}
.excl h3{margin:0 0 10px;font-size:16px}
.excl ul{margin:0;padding-left:18px;color:var(--muted);font-size:14.5px;display:grid;gap:6px}
@media (max-width:980px){.tiers{grid-template-columns:1fr;max-width:560px;margin:0 auto}.tier.pop{order:-1}.tier-more{grid-template-columns:1fr}.tier .fit{min-height:0}}

/* ---------- tính thử ---------- */
.calc{display:grid;grid-template-columns:1fr 1.05fr;gap:36px;padding:40px;border-radius:var(--r-2xl);background:linear-gradient(155deg,#0f2d4b 0%,#0b2238 70%);color:var(--hero-ink);box-shadow:var(--shadow-lg)}
.calc .kicker{color:var(--accent);margin-bottom:10px}
.calc h3{font-size:clamp(22px,2.6vw,30px);margin:0 0 8px}
.calc>div>p{color:var(--hero-muted);margin:0 0 20px;font-size:15.5px}
.calc-ctl{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:18px 20px}
.calc-ctl label{display:flex;justify-content:space-between;gap:12px;font-weight:600;font-size:15.5px;margin-bottom:12px;align-items:baseline}
.calc-ctl output{font:600 22px "JetBrains Mono",monospace;color:var(--accent-soft)}
.calc-ctl output small{font-size:13px;color:var(--hero-muted);font-family:"Be Vietnam Pro",sans-serif;font-weight:500;margin-left:4px}
.calc input[type=range]{width:100%;accent-color:var(--accent);height:32px;margin:0;cursor:pointer}
.calc-scale{display:flex;justify-content:space-between;font-size:12.5px;color:var(--hero-muted);margin-top:2px}
.calc-out{display:grid;gap:14px;align-content:start}
.c-tier{border-radius:16px;padding:18px 20px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14)}
.c-tier small{display:block;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--hero-muted);font-weight:700;margin-bottom:6px}
.c-tier b{font-size:22px;letter-spacing:-.02em}
.c-tier .cp{font:600 15px "JetBrains Mono",monospace;color:var(--accent-soft);margin-top:4px}
.c-tier p{margin:8px 0 0;font-size:14px;color:var(--hero-muted)}
.bars{display:grid;gap:12px;padding:18px 20px;border-radius:16px;background:rgba(5,14,23,.6);border:1px solid rgba(255,255,255,.1)}
.bar-row{display:grid;gap:6px;font-size:13.5px}
.bar-row .lbl{display:flex;justify-content:space-between;gap:10px;color:var(--hero-muted)}
.bar-row .lbl b{color:var(--hero-ink);font-family:"JetBrains Mono",monospace;font-weight:600;white-space:nowrap}
.bar-track{height:12px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:var(--accent);transition:width .5s cubic-bezier(.2,.8,.2,1)}
.bar-fill.in-house{background:#5f7a94}
.calc-note{font-size:12.5px;color:var(--hero-muted);margin:0;line-height:1.55}
.calc .btn{justify-self:start}
@media (max-width:900px){.calc{grid-template-columns:1fr;padding:28px 20px}}

/* ---------- so sánh 3 cột ---------- */
.scroll-hint{display:none;font-size:13px;color:var(--muted);margin:0 0 10px;align-items:center;gap:6px}
.scroll-hint svg{width:16px;height:16px}
.vs-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--r-xl);border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow)}
table.vs{width:100%;min-width:680px;border-collapse:collapse;font-size:15px}
table.vs th,table.vs td{padding:18px 20px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
table.vs tbody tr:last-child td,table.vs tbody tr:last-child th{border-bottom:0}
table.vs thead th{background:var(--surface-2);font-size:14px;font-weight:700}
table.vs thead th.us{background:var(--navy);color:#eef4fb}
table.vs tbody th{font-weight:600;color:var(--muted);font-size:14px;width:18%}
table.vs td{color:var(--muted)}
table.vs td.us{background:color-mix(in srgb,var(--brand) 6%,transparent);color:var(--ink);font-weight:500}
table.vs td.us svg{display:inline-block;vertical-align:-4px;width:18px;height:18px;color:var(--accent-2);margin-right:4px}
@media (max-width:760px){.scroll-hint{display:flex}}

/* ---------- quy trình ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:s}
.step{position:relative;padding:30px 28px 30px;border-radius:var(--r-xl);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);counter-increment:s}
.step .num{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:var(--navy);color:#eef4fb;font-weight:800;font-size:17px;margin-bottom:18px}
.step .num::after{content:counter(s)}
.step h3{margin:0 0 8px;font-size:19px}
.step h3 small{display:block;font:500 12.5px "JetBrains Mono",monospace;color:var(--accent-deep);margin-bottom:6px;letter-spacing:0}
.step p{margin:0;color:var(--muted);font-size:15.5px}
@media (max-width:860px){.steps{grid-template-columns:1fr}}

/* ---------- cam kết ---------- */
.commits{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.cm{padding:26px 22px;border-radius:var(--r);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px}
.cm .n{font:500 13px "JetBrains Mono",monospace;color:var(--accent-deep)}
.cm h3{margin:0;font-size:17px;line-height:1.3}
.cm p{margin:0;color:var(--muted);font-size:14.5px}
.penalty{margin-top:18px;padding:16px 20px;border-radius:14px;background:color-mix(in srgb,var(--accent-2) 10%,var(--surface));border:1px solid color-mix(in srgb,var(--accent-2) 35%,var(--line));font-size:15px;display:flex;gap:12px;align-items:flex-start}
.penalty svg{width:20px;height:20px;flex:none;color:#157f74;margin-top:2px}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .penalty svg{color:var(--accent-2)}}
:root[data-theme="dark"] .penalty svg{color:var(--accent-2)}
@media (max-width:1100px){.commits{grid-template-columns:repeat(3,1fr)}}
@media (max-width:760px){.commits{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.commits{grid-template-columns:1fr}}

/* ---------- đã làm ---------- */
.works{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.work{display:flex;flex-direction:column;gap:14px;padding:22px;border-radius:var(--r-xl);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);text-decoration:none;color:inherit;transition:transform .4s cubic-bezier(.2,.8,.2,1),box-shadow .4s,border-color .4s}
.work:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:color-mix(in srgb,var(--brand) 30%,var(--line))}
.frame{border-radius:var(--r);background:var(--surface);border:1px solid var(--line);overflow:hidden}
.frame .bar{display:flex;align-items:center;gap:6px;padding:9px 12px;background:var(--surface-2);border-bottom:1px solid var(--line)}
.frame .bar i{width:9px;height:9px;border-radius:50%;background:#c3ccd6}
.frame .bar i:nth-child(1){background:#ff6b5b}.frame .bar i:nth-child(2){background:#ffc248}.frame .bar i:nth-child(3){background:#35c98a}
.frame .bar span{margin-left:10px;min-width:0;font:500 11px "JetBrains Mono",monospace;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.frame img{width:100%;height:auto;background:#fff}
.phones{display:flex;gap:14px;justify-content:center;padding:18px;background:var(--surface-2);border-radius:var(--r);border:1px solid var(--line)}
.phone{width:calc(50% - 7px);max-width:150px;border-radius:20px;padding:5px;background:#10212f;box-shadow:var(--shadow)}
.phone:nth-child(2){margin-top:22px}
.phone img{border-radius:16px;width:100%;height:auto}
.fuel-viz{aspect-ratio:16/9;border-radius:var(--r);background:var(--surface-2);border:1px solid var(--line);display:grid;place-items:center;padding:20px}
.fuel-viz svg{width:100%;max-width:360px;height:auto;color:var(--brand)}
.work .tag{align-self:flex-start;font-size:12px;font-weight:600;padding:5px 11px;border-radius:999px;background:var(--surface-2);color:var(--muted);display:inline-flex;align-items:center;gap:6px}
.work .tag i{width:6px;height:6px;border-radius:50%;background:var(--accent-2)}
.work h3{margin:0;font-size:20px}
.work p{margin:0;color:var(--muted);font-size:15px}
.work .cap{font-size:12.5px;color:var(--muted);margin:-6px 0 0}
.work .more{margin-top:auto;padding-top:6px;font-weight:600;font-size:15px;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.work .more svg{width:16px;height:16px;transition:transform .25s}
.work:hover .more svg{transform:translateX(4px)}
.owner{margin-top:22px;display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:center;padding:28px 32px;border-radius:var(--r-2xl);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow)}
.owner .mark{width:72px;height:72px;border-radius:20px;background:var(--surface-2);display:grid;place-items:center;border:1px solid var(--line)}
.owner .mark svg{width:46px;height:46px}
.owner h3{margin:0 0 4px;font-size:20px}
.owner .role{margin:0 0 8px;color:var(--accent-deep);font-weight:600;font-size:14px}
.owner p{margin:0;color:var(--muted);font-size:15.5px;max-width:70ch}
@media (max-width:860px){.works{grid-template-columns:1fr}.owner{grid-template-columns:1fr;padding:24px}}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:4px 22px;margin-bottom:12px;box-shadow:var(--shadow)}
.faq summary{cursor:pointer;font-weight:600;padding:16px 0;list-style:none;display:flex;justify-content:space-between;gap:16px;font-size:16.5px;line-height:1.4}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:24px;line-height:1;color:var(--accent-deep);flex:none;font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:0 0 18px;color:var(--muted)}
.faq summary:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:8px}

/* ---------- liên hệ ---------- */
.contact{position:relative;border-radius:32px;overflow:hidden;background:var(--hero-bg);color:var(--hero-ink);padding:64px;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;isolation:isolate}
.contact .orb.a{width:420px;height:420px;top:-180px;right:-120px;opacity:.45}
.contact .orb.b{width:300px;height:300px;bottom:-160px;left:20%;opacity:.25}
.contact .kicker{color:var(--accent)}
.contact h2{color:var(--hero-ink)}
.contact .sub{color:var(--hero-muted);margin-bottom:28px}
.channels{display:grid;gap:12px}
.ch{display:flex;align-items:center;gap:16px;padding:16px 18px;border-radius:16px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);text-decoration:none;transition:background .3s,transform .3s}
.ch:hover{background:rgba(255,255,255,.12);transform:translateX(4px)}
.ch .ci{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:rgba(255,255,255,.1);flex:none}
.ch .ci svg{width:22px;height:22px}
.ch small{display:block;color:var(--hero-muted);font-size:13px}
.ch strong{font-size:17px;letter-spacing:-.01em}
.ch.primary{background:var(--accent);border-color:transparent;color:var(--on-accent)}
.ch.primary .ci{background:rgba(11,34,56,.12)}
.ch.primary small{color:rgba(11,34,56,.78)}
.hours{margin:18px 0 0;font-size:14px;color:var(--hero-muted)}
.cform{position:relative;z-index:1}
.cform h3{color:var(--hero-ink);margin:0 0 16px;font-size:1.15rem}
.cform form{display:grid;gap:14px;grid-template-columns:1fr 1fr}
.cform label{display:grid;gap:6px;color:var(--hero-muted);font-size:.92rem}
.cform label.full{grid-column:1/-1}
.cform input,.cform textarea{font:inherit;color:var(--hero-ink);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.22);border-radius:12px;padding:12px 14px;width:100%;box-sizing:border-box}
.cform input:focus-visible,.cform textarea:focus-visible{outline:3px solid #7fc4ff;outline-offset:2px}
.cform .cf-turnstile{grid-column:1/-1}
.cform button{justify-self:start}
.cform #cf-msg{grid-column:1/-1;margin:0;color:var(--hero-muted);min-height:1.5em}
.cform .fine{grid-column:1/-1;margin:0;font-size:13px;color:var(--hero-muted)}
@media (max-width:900px){.contact{grid-template-columns:1fr;padding:40px 24px;gap:36px;border-radius:24px}.cform form{grid-template-columns:1fr}}
@media (max-width:480px){.contact{padding:32px 18px}}

/* ---------- footer ---------- */
footer{padding:64px 0 40px;color:var(--muted);font-size:14.5px}
.foot{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid var(--line)}
.foot h4{color:var(--ink);font-size:14px;margin:0 0 14px}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.foot a{text-decoration:none}.foot a:hover{color:var(--ink)}
.legal strong{color:var(--ink);display:block;margin-bottom:6px;font-size:15px}
.legal p{margin:0 0 4px}
.bottom{display:flex;justify-content:space-between;gap:16px;padding-top:24px;flex-wrap:wrap;font-size:13.5px}
@media (max-width:800px){.foot{grid-template-columns:1fr}}

/* ---------- thanh dính trên điện thoại ---------- */
.stick{display:none}
@media (max-width:700px){
  .stick{position:fixed;left:0;right:0;bottom:0;z-index:60;display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:color-mix(in srgb,var(--surface) 94%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--line)}
  .stick .btn{width:100%;padding:13px 10px;font-size:14.5px}
  footer{padding-bottom:110px}
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s cubic-bezier(.2,.8,.2,1),transform .8s cubic-bezier(.2,.8,.2,1);transition-delay:var(--d,0s)}
.reveal.in{opacity:1;transform:none}
.no-js .reveal{opacity:1;transform:none}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}
@media print{header,.stick,.orb{display:none}.hero{padding-top:40px}}

.cform .cf-note{grid-column:1/-1;margin:0;font-size:13.5px;color:var(--hero-muted)}
.cform .cf-note a{color:var(--hero-ink)}