@font-face{font-family:'Montserrat';src:url(fonts/montserrat.woff) format('woff');font-weight:500 850;font-style:normal;font-display:swap}
@font-face{font-family:'Be Vietnam Pro';src:url(fonts/bevietnam-Regular.woff) format('woff');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Be Vietnam Pro';src:url(fonts/bevietnam-Medium.woff) format('woff');font-weight:500;font-style:normal;font-display:swap}

:root{
  color-scheme:only light;
  --blue:#184e94;
  --navy:#0f2f63;
  --red:#d52b2c;
  --red-dk:#b21f20;
  --ink:#16233b;
  --muted:#4a5875;
  --mist:#eef3fa;
  --line:#d3ddec;
  --white:#fff;
  --display:'Montserrat','Be Vietnam Pro',system-ui,sans-serif;
  --body:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',sans-serif;
  --gut:clamp(1.25rem,.5rem + 3.2vw,4rem);
  --max:74rem;
  --sec:clamp(3.75rem,2.5rem + 5vw,7.5rem);
  --ease:cubic-bezier(.16,1,.3,1);
  --head:112px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:5.5rem;-webkit-text-size-adjust:100%;scrollbar-color:var(--blue) var(--mist)}
body{margin:0;background:var(--white);color:var(--ink);font:400 1rem/1.65 var(--body);font-variant-numeric:lining-nums;caret-color:var(--red);accent-color:var(--red);-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-underline-offset:.2em}
::selection{background:var(--red);color:#fff}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:3px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:1rem;top:-4rem;z-index:100;background:var(--navy);color:#fff;padding:.7rem 1rem;border-radius:6px;transition:top .2s}
.skip:focus{top:1rem}
.wrap{width:100%;max-width:calc(var(--max) + 2*var(--gut));margin-inline:auto;padding-inline:var(--gut)}

h1,h2,h3{font-family:var(--display);color:var(--navy);margin:0;text-wrap:balance}
h2{font-size:clamp(1.75rem,1.15rem + 2.2vw,2.8rem);font-weight:800;line-height:1.15;letter-spacing:-.01em}
h3{font-size:1.15rem;font-weight:700;line-height:1.3}
p{margin:0;max-width:65ch;text-wrap:pretty}
.lead{font-size:1.0625rem;color:var(--muted)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:3rem;padding:.8rem 1.75rem;border:2px solid var(--red);border-radius:999px;background:var(--red);color:#fff;font:700 .9375rem/1.2 var(--display);letter-spacing:.02em;text-decoration:none;cursor:pointer;transition:background .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);box-shadow:0 6px 16px -6px rgba(181,31,32,.55)}
.btn:hover{background:var(--red-dk);border-color:var(--red-dk);transform:translateY(-2px);box-shadow:0 10px 20px -8px rgba(181,31,32,.6)}
.btn:active{transform:translateY(0)}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.btn-line{background:#fff;color:var(--navy);border-color:#fff;box-shadow:0 6px 16px -8px rgba(15,47,99,.5)}
.btn-line:hover{background:var(--mist);border-color:var(--mist);color:var(--navy);box-shadow:0 10px 20px -10px rgba(15,47,99,.55)}
.btn-ghost{background:transparent;color:var(--blue);border-color:var(--blue);box-shadow:none}
.btn-ghost:hover{background:var(--blue);border-color:var(--blue);color:#fff;box-shadow:none}

/* Thanh tiện ích xanh trên cùng */
.top{background:var(--blue);color:#fff;font-size:.8125rem;line-height:1.3}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:2.25rem;padding-block:.35rem}
.top ul{display:flex;gap:1.1rem;list-style:none;margin:0;padding:0}
.top li+li{padding-left:1.1rem;border-left:1px solid rgba(255,255,255,.35)}
.top a{text-decoration:none}
.top a:hover{text-decoration:underline}
.top .t-r{display:flex;align-items:center;gap:1.1rem}
.top .t-r a{font-weight:500;display:inline-flex;gap:.45rem;align-items:center}
.top svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* Menu */
.bar{position:sticky;top:0;z-index:50;background:#fff;box-shadow:0 1px 0 var(--line),0 8px 24px -16px rgba(15,47,99,.35)}
.bar .wrap{display:flex;align-items:center;justify-content:space-between;gap:1.25rem;min-height:4.5rem}
.brand{display:flex;align-items:center;flex:none}
.brand img{width:56px;height:56px;border-radius:50%}
.nav{display:flex;align-items:center;gap:clamp(1rem,.4rem + 1.8vw,2.25rem)}
.nav a:not(.btn){position:relative;font:700 .8125rem/1 var(--display);letter-spacing:.06em;text-transform:uppercase;text-decoration:none;color:var(--ink);padding:.6rem 0}
.nav a:not(.btn)::after{content:"";position:absolute;left:0;right:0;bottom:.1rem;height:2px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.nav a:not(.btn):hover{color:var(--blue)}
.nav a:not(.btn):hover::after,.nav a[aria-current]::after{transform:scaleX(1)}
.nav .btn{min-height:2.75rem;padding:.65rem 1.4rem;font-size:.8125rem;letter-spacing:.05em;text-transform:uppercase}
.menu-btn{display:none;width:2.75rem;height:2.75rem;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--navy);cursor:pointer;align-items:center;justify-content:center}
.menu-btn svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
.bar-call{display:none}

/* Hero */
.hero{position:relative;height:min(56.25vw,calc(100svh - var(--head)));min-height:32.5rem;overflow:hidden;background:#c3d2e2;isolation:isolate}
.hero picture,.hero img{position:absolute;inset:0;width:100%;height:100%}
.hero img{object-fit:cover;object-position:50% 100%;transform-origin:50% 100%}
.hero-in{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;text-align:center;padding:clamp(1.25rem,3.6svh,3rem) var(--gut) 0}
.hero h1{font-size:clamp(2.75rem,.5rem + 6.9vw,6rem);font-weight:800;line-height:1.05;letter-spacing:-.005em;color:#1b4a91;text-shadow:0 2px 24px rgba(255,255,255,.75)}
.hero .sub{margin-top:clamp(.4rem,1.2svh,1rem);font:700 clamp(.9375rem,.55rem + 1.35vw,1.75rem)/1.25 var(--display);letter-spacing:.045em;text-transform:uppercase;color:var(--navy);text-shadow:0 1px 14px rgba(255,255,255,.8)}
.hero .act{margin-top:clamp(1rem,2.6svh,1.9rem);display:flex;flex-wrap:wrap;gap:.8rem;justify-content:center}

/* Giới thiệu */
.intro{padding-block:var(--sec) clamp(2.5rem,2rem + 2vw,4rem)}
.intro .grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:clamp(2rem,1rem + 5vw,6rem);align-items:center}
.intro h2{margin-bottom:1.25rem}
.intro p+p{margin-top:1rem}
.intro .btn{margin-top:2rem}
.intro figure{margin:0}
.intro figure img{width:100%;mix-blend-mode:multiply}

/* Bốn cam kết */
.pledge{padding-bottom:var(--sec)}
.pledge ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0 clamp(1rem,.5rem + 2vw,2.5rem);border-top:1px solid var(--line);padding-top:clamp(1.75rem,1.25rem + 2vw,2.75rem)}
.pledge li{display:flex;gap:1rem;align-items:flex-start}
.pledge .ic{flex:none;width:3.5rem;height:3.5rem;background:var(--red);display:grid;place-items:center;border-radius:4px}
.pledge .ic svg{width:28px;height:28px;fill:none;stroke:#fff;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.pledge h3{font-size:1rem;margin-bottom:.25rem}
.pledge p{font-size:.9375rem;line-height:1.5;color:var(--muted)}

/* Dải ảnh (ảnh phủ xanh, người nhô lên) */
.promo{position:relative;background:#fff}
.promo img{width:100%}
.promo-txt{background:var(--blue);color:#fff;padding-block:2.25rem}
.promo-txt h2{color:#fff;font-size:clamp(1.65rem,1.1rem + 2.3vw,2.6rem)}
.promo-txt p{margin-top:.6rem;color:#e6eefb}
.promo-txt .btn{margin-top:1.4rem}

/* Đội ngũ */
.team{padding-block:var(--sec)}
.team .grid>div{max-width:46rem}
.team h2{margin-bottom:1.25rem}
.team .lead+.lead{margin-top:1rem}
.team ul{list-style:none;margin:1.75rem 0 0;padding:0;border-top:1px solid var(--line)}
.team li{display:flex;gap:1rem;align-items:baseline;padding:.9rem 0;border-bottom:1px solid var(--line)}
.team li strong{flex:none;width:8.5rem;font:700 .9375rem/1.4 var(--display);color:var(--navy)}
.team li span{color:var(--muted);font-size:.9375rem;line-height:1.5}

/* Quy trình */
.how{padding-block:var(--sec)}
.how .head{max-width:46rem;margin-bottom:clamp(2rem,1.5rem + 2vw,3.5rem)}
.how .head h2{margin-bottom:1rem}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0 clamp(1rem,.5rem + 2vw,2.5rem);counter-reset:s}
.steps li{position:relative;padding-top:4.25rem;counter-increment:s}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:3rem;height:3rem;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font:800 1.15rem/1 var(--display)}
.steps li:last-child::before{background:var(--red)}
.steps li::after{content:"";position:absolute;left:3.5rem;right:-.5rem;top:1.5rem;height:2px;background:var(--line)}
.steps li:last-child::after{display:none}
.steps h3{margin-bottom:.5rem}
.steps p{font-size:.9375rem;color:var(--muted)}

/* Phiếu báo giá */
.quote{background:var(--mist);padding-block:var(--sec)}
.quote .in{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.5fr);gap:clamp(2rem,1rem + 5vw,6rem);align-items:start}
.q-left{position:sticky;top:6.5rem}
.q-left h2{margin-bottom:1rem}
.q-left .call{display:block;margin-top:2rem;font:800 clamp(1.5rem,1.2rem + 1.2vw,2.1rem)/1.1 var(--display);color:var(--blue);text-decoration:none}
.q-left .call:hover{color:var(--red)}
.q-left small{display:block;margin-top:.4rem;color:var(--muted);font-size:.875rem}
.q-right{background:#fff;border:1px solid var(--line);border-radius:6px;padding:clamp(1.25rem,.6rem + 2.5vw,2.5rem);box-shadow:0 24px 48px -32px rgba(15,47,99,.45)}
.q-right label{display:block;font:500 .875rem/1.4 var(--body);color:var(--navy);margin-bottom:.35rem}
.q-items{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.6rem 1.25rem;padding-bottom:1.75rem;margin-bottom:1.75rem;border-bottom:1px solid var(--line)}
.q-row{display:flex;align-items:center;justify-content:space-between;gap:.75rem;min-height:3rem}
.q-row label{margin:0}
.ctr{display:flex;align-items:center;flex:none}
.ctr button{width:2.5rem;height:2.5rem;border:1px solid var(--line);background:#fff;color:var(--blue);font:700 1.15rem/1 var(--display);cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.ctr button:first-child{border-radius:6px 0 0 6px}
.ctr button:last-child{border-radius:0 6px 6px 0}
.ctr button:hover{background:var(--blue);border-color:var(--blue);color:#fff}
.ctr input{width:2.75rem;height:2.5rem;border:1px solid var(--line);border-inline:0;border-radius:0;text-align:center;font:500 1rem/1 var(--body);color:var(--ink);padding:0;-moz-appearance:textfield;appearance:textfield;background:#fff}
.ctr input::-webkit-outer-spin-button,.ctr input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.q-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.1rem 1.25rem}
.q-fields .full{grid-column:1/-1}
.q-right input[type=text],.q-right input[type=tel],.q-right input[type=date],.q-right select,.q-right textarea{width:100%;min-height:3rem;border:1px solid #b9c7dd;border-radius:6px;background:#fff;color:var(--ink);font:400 1rem/1.4 var(--body);padding:.7rem .9rem;transition:border-color .2s,box-shadow .2s}
.q-right textarea{min-height:5.5rem;resize:vertical}
.q-right ::placeholder{color:#5a6783;opacity:1}
.q-right input:focus,.q-right select:focus,.q-right textarea:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px rgba(24,78,148,.2)}
.q-right .err{border-color:var(--red)}
.q-msg{display:none;margin-top:.35rem;font-size:.8125rem;color:#b21f20}
.err~.q-msg{display:block}
.q-out{margin-top:1.75rem;padding-top:1.75rem;border-top:1px solid var(--line)}
#f-out{min-height:11rem;background:var(--mist);color:var(--navy);font:400 .875rem/1.6 var(--body);resize:none;border-color:var(--line)}
.q-act{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.1rem}
.q-status{margin-top:.9rem;font-size:.9rem;color:var(--blue);min-height:1.4em}

/* Câu hỏi thường gặp */
.faq{padding-block:var(--sec)}
.faq .grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.5fr);gap:1.5rem clamp(2rem,1rem + 5vw,6rem);align-items:start}
.faq details{border-bottom:1px solid var(--line)}
.faq details:first-child{border-top:2px solid var(--navy)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1.2rem 0;font:700 1.0625rem/1.4 var(--display);color:var(--navy);cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:.7rem;height:.7rem;border-right:2px solid var(--red);border-bottom:2px solid var(--red);transform:rotate(45deg) translateY(-2px);transition:transform .3s var(--ease)}
.faq details[open] summary::after{transform:rotate(-135deg) translateY(-2px)}
.faq details p{padding:0 2rem 1.4rem 0;color:var(--muted)}

/* Liên hệ */
.contact{background:var(--blue);color:#fff;padding-block:var(--sec)}
.contact .grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:2rem clamp(2rem,1rem + 5vw,6rem);align-items:end}
.contact h2{color:#fff}
.contact .tel{display:block;margin-top:1.5rem;font:800 clamp(2.4rem,1.2rem + 5vw,4.75rem)/1 var(--display);color:#fff;text-decoration:none;letter-spacing:-.01em}
.contact .tel:hover{text-decoration:underline;text-decoration-thickness:3px;text-underline-offset:.15em}
.contact .info{display:grid;gap:1.25rem;font-size:.9375rem}
.contact .info dt{font:700 .75rem/1.3 var(--display);letter-spacing:.08em;text-transform:uppercase;color:#bcd0ee;margin-bottom:.2rem}
.contact .info dd{margin:0}
.contact .info a:not(.btn){color:#fff}
.contact .btn{margin-top:.5rem;justify-self:start}

/* Chân trang */
footer{background:var(--navy);color:#cfdcf2;font-size:.9375rem}
footer .wrap{padding-block:clamp(2.5rem,2rem + 2vw,4rem) 0}
footer .f-main{display:grid;grid-template-columns:minmax(0,1.3fr) repeat(2,minmax(0,.7fr));gap:2rem clamp(2rem,1rem + 4vw,5rem)}
footer .f-brand{display:flex;gap:1rem;align-items:flex-start}
footer .f-brand img{width:64px;height:64px;border-radius:50%;flex:none}
footer .f-brand p{font-size:.875rem;line-height:1.6;max-width:32ch}
footer h3{color:#fff;font-size:.8125rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:.9rem}
footer ul{list-style:none;margin:0;padding:0;display:grid;gap:.5rem}
footer a{text-decoration:none}
footer a:hover{color:#fff;text-decoration:underline}
footer .f-legal{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.75rem;margin-top:clamp(2rem,1.5rem + 2vw,3.5rem);padding:1.25rem 0 1.5rem;border-top:1px solid rgba(255,255,255,.18);font-size:.8125rem}

/* Hiện dần: chỉ ảnh hero khi tải trang */
@keyframes settle{from{transform:scale(1.07)}to{transform:scale(1)}}
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.js .hero img{animation:settle 2.2s var(--ease) both}
.js .hero-in>*{animation:rise 1s var(--ease) both}
.js .hero h1{animation-delay:.1s}
.js .hero .sub{animation-delay:.25s}
.js .hero .act{animation-delay:.4s}

/* Máy tính bảng */
@media (max-width:900px){
  .top .wrap>ul li:nth-child(n+2){display:none}
}
@media (max-width:1000px){
  .intro .grid,.quote .in,.faq .grid,.contact .grid{grid-template-columns:minmax(0,1fr)}
  .intro .grid{gap:2.5rem}
  .intro figure{max-width:34rem}
  .q-left{position:static}
  .pledge ul{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.75rem 1.5rem}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:2.5rem 1.5rem}
  .steps li:nth-child(2)::after{display:none}
  footer .f-main{grid-template-columns:repeat(2,minmax(0,1fr))}
  footer .f-brand{grid-column:1/-1}
}

/* Dải ảnh: chữ đè lên ảnh khi đủ rộng */
@media (min-width:1100px){
  .promo-txt{position:absolute;inset:0;background:none;padding:0;display:flex;align-items:flex-end}
  .promo-txt .in{width:100%;padding-bottom:clamp(1.25rem,2vw,2.25rem)}
  .promo-txt .box{max-width:min(28rem,40%)}
  .promo::after{content:"";position:absolute;left:0;right:0;top:15.5%;bottom:0;background:linear-gradient(90deg,rgba(15,47,99,.92) 0,rgba(15,47,99,.78) 30%,rgba(15,47,99,0) 52%);pointer-events:none}
  .promo-txt{z-index:1}
}

/* Menu thu gọn (máy tính bảng và điện thoại) */
@media (max-width:900px){
  .bar .wrap{min-height:4rem}
  .brand img{width:48px;height:48px}
  .menu-btn{display:inline-flex}
  .bar-call{display:inline-flex;margin-left:auto}
  .bar-call.btn{min-height:2.75rem;padding:.6rem 1.15rem;font-size:.8125rem}
  .nav{position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 20px 30px -20px rgba(15,47,99,.4);padding:.5rem var(--gut) 1rem;display:none;max-height:calc(100svh - 7rem);overflow-y:auto}
  .nav.open{display:flex}
  .nav a:not(.btn){padding:1rem 0;border-bottom:1px solid var(--line);font-size:.875rem}
  .nav a:not(.btn)::after{display:none}
  .nav .btn{display:none}
  .nav .dd{flex-wrap:wrap;border-bottom:1px solid var(--line)}
  .nav .dd>a:not(.btn){border-bottom:0;flex:1}
  .dd-btn{width:2.75rem;height:2.75rem}
  .nav .dd-menu{position:static;display:none;width:100%;min-width:0;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;border-radius:0;padding:0 0 .75rem;margin:0;background:var(--mist);transition:none}
  .nav .dd.open .dd-menu{display:block}
  .nav .dd-menu::before{display:none}
  .nav .dd-menu a:not(.btn){padding:.9rem 1rem;border-bottom:1px solid var(--line);border-radius:0;font-size:.9375rem}
  .nav .dd-menu li:last-child a:not(.btn){border-bottom:0}
}

/* Điện thoại */
@media (max-width:760px){
  :root{--head:0px}
  .top .wrap{justify-content:center}
  .top .wrap>ul{display:none}

  .hero{height:auto;min-height:0;background:linear-gradient(#bccde0,#d9e5f1 70%,#d9e5f1);overflow:visible}
  .hero picture,.hero img{position:relative;inset:auto}
  .hero picture{display:block;order:2;margin-top:clamp(.5rem,2vw,1.5rem)}
  .hero img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;-webkit-mask-image:linear-gradient(to bottom,transparent 0,#000 22%);mask-image:linear-gradient(to bottom,transparent 0,#000 22%)}
  .hero{display:flex;flex-direction:column}
  .hero-in{order:1;padding-top:2rem}
  .hero h1{font-size:clamp(2.6rem,12.5vw,4rem);line-height:1.02}
  .hero h1 span{display:block}
  .hero .sub{font-size:.9375rem;letter-spacing:.04em;max-width:18rem}
  .hero .act{width:100%;max-width:22rem;flex-direction:column;margin-top:1.4rem}
  .hero .act .btn{width:100%}

  .pledge ul{grid-template-columns:minmax(0,1fr)}
  .promo-txt .in{padding-inline:var(--gut)}
  .team li{flex-direction:column;gap:.15rem}
  .team li strong{width:auto}
  .steps{grid-template-columns:minmax(0,1fr);gap:2rem}
  .steps li::after{display:none}
  .q-items,.q-fields{grid-template-columns:minmax(0,1fr)}
  .q-act .btn{width:100%}
  footer .f-main{grid-template-columns:minmax(0,1fr)}
  .contact .tel{font-size:clamp(2.3rem,12vw,3.5rem)}
}

/* Menu xổ xuống */
.nav .dd{position:relative;display:flex;align-items:center;gap:.1rem}
.dd-btn{display:grid;place-items:center;width:1.75rem;height:1.75rem;border:0;border-radius:4px;background:none;color:var(--ink);cursor:pointer;padding:0}
.dd-btn svg{width:12px;height:12px;fill:none;stroke:currentColor;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round;transition:transform .3s var(--ease)}
.dd.open .dd-btn svg{transform:rotate(180deg)}
.dd-menu{position:absolute;top:calc(100% + .5rem);left:-1rem;z-index:60;min-width:18.5rem;list-style:none;margin:0;padding:.5rem;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 24px 40px -20px rgba(15,47,99,.5);opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s}
.dd-menu::before{content:"";position:absolute;left:0;right:0;top:-.6rem;height:.6rem}
.nav .dd-menu a:not(.btn){display:block;padding:.7rem .9rem;border-radius:5px;font:500 .9375rem/1.35 var(--body);letter-spacing:0;text-transform:none;color:var(--ink)}
.nav .dd-menu a:not(.btn)::after{display:none}
.nav .dd-menu a:not(.btn):hover{background:var(--mist);color:var(--blue)}
@media (min-width:901px){
  .dd:hover .dd-menu,.dd.open .dd-menu,.dd:focus-within .dd-menu{opacity:1;visibility:visible;transform:none}
}

/* Bảng giá */
.pg-note{margin-top:1rem;font-size:.875rem;color:var(--muted)}
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:6px}
.tbl table{width:100%;min-width:30rem;border-collapse:collapse;font-size:.9375rem}
.tbl th{background:var(--mist);color:var(--navy);font:700 .75rem/1.3 var(--display);letter-spacing:.07em;text-transform:uppercase;text-align:left;padding:.85rem 1rem}
.tbl td{padding:.95rem 1rem;border-top:1px solid var(--line);color:var(--ink);vertical-align:top}
.tbl td:last-child{color:var(--blue);font-weight:500;white-space:nowrap}
.tbl td small{display:block;color:var(--muted);font-size:.8125rem;line-height:1.45;margin-top:.15rem}

/* Trang con: danh sách và chi tiết */
.list-page{padding-block:var(--sec)}
.rows{list-style:none;margin:0;padding:0;border-top:2px solid var(--navy)}
.rows li{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1.6fr) auto;gap:.5rem clamp(1rem,.5rem + 3vw,4rem);align-items:baseline;padding:1.5rem 0;border-bottom:1px solid var(--line)}
.rows h2{font-size:clamp(1.15rem,1rem + .6vw,1.45rem)}
.rows h2 a{text-decoration:none;color:inherit}
.rows h2 a:hover{color:var(--blue)}
.rows p{color:var(--muted);font-size:.9375rem}
.rows .go{font:700 .8125rem/1 var(--display);letter-spacing:.05em;text-transform:uppercase;color:#c1262a;text-decoration:none;padding:.6rem 0;border-bottom:2px solid transparent;white-space:nowrap;transition:border-color .25s var(--ease)}
.rows .go:hover{border-color:#c1262a}
.detail{padding-block:var(--sec)}
.detail .grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,.9fr);gap:2.5rem clamp(2rem,1rem + 5vw,6rem);align-items:start}
.detail h2{font-size:clamp(1.35rem,1.1rem + 1vw,1.9rem);margin-bottom:1rem}
.detail section+section{margin-top:clamp(2rem,1.5rem + 2vw,3.25rem)}
.detail ul{margin:0;padding-left:1.25rem;max-width:65ch}
.detail li{margin-bottom:.6rem}
.detail li::marker{color:var(--red)}
.aside{position:sticky;top:6.5rem;background:var(--mist);border-radius:8px;padding:1.75rem}
.aside h2{font-size:1.15rem;margin-bottom:.5rem}
.aside .call{display:block;margin:.75rem 0 1.25rem;font:800 1.6rem/1.1 var(--display);color:var(--blue);text-decoration:none}
.aside .btn{width:100%;margin-bottom:.75rem}
.aside .more{display:block;margin-top:.5rem;font-size:.9375rem;color:var(--blue)}
.crumb{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:1.25rem;font-size:.875rem;color:var(--muted)}
.crumb a{color:var(--blue)}
.crumb span[aria-hidden]{opacity:.5}
@media (max-width:1000px){.detail .grid{grid-template-columns:minmax(0,1fr)}.aside{position:static}}
@media (max-width:760px){.rows li{grid-template-columns:minmax(0,1fr);gap:.4rem}.rows .go{justify-self:start}}

/* Blog */
.page-head{background:var(--mist);padding-block:clamp(3rem,2rem + 4vw,5.5rem)}
.page-head h1{font-size:clamp(2.1rem,1.3rem + 3vw,3.6rem);font-weight:800;line-height:1.1;margin-bottom:1rem}
.blog{padding-block:var(--sec)}
.blog .grid{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.6fr);gap:2rem clamp(2rem,1rem + 5vw,6rem);align-items:start}
.toc{position:sticky;top:6.5rem}
.toc h2{font-size:1rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:1rem}
.toc ol{list-style:none;margin:0;padding:0;border-top:2px solid var(--navy)}
.toc li{border-bottom:1px solid var(--line)}
.toc a{display:block;padding:.85rem 0;text-decoration:none;font:500 .9375rem/1.4 var(--body);color:var(--ink)}
.toc a:hover{color:var(--red)}
.post{padding-bottom:clamp(2.5rem,2rem + 2vw,4rem);margin-bottom:clamp(2.5rem,2rem + 2vw,4rem);border-bottom:1px solid var(--line)}
.post:last-of-type{border-bottom:0;margin-bottom:0;padding-bottom:0}
.post h2{margin-bottom:1rem}
.post p+p,.post ul+p,.post p+ul{margin-top:1rem}
.post ul{margin:0;padding-left:1.25rem;max-width:65ch;color:var(--ink)}
.post li{margin-bottom:.5rem}
.post li::marker{color:var(--red)}
.post .btn{margin-top:1.5rem}
@media (max-width:1000px){.blog .grid{grid-template-columns:minmax(0,1fr)}.toc{position:static}}
@media (max-width:760px){.tbl table{min-width:26rem}}

/* ===== Chuyển động mượt ===== */
@view-transition{navigation:auto}
::view-transition-old(root){animation:vt-out .25s cubic-bezier(.4,0,1,1) both}
::view-transition-new(root){animation:vt-in .45s var(--ease) both}
@keyframes vt-out{to{opacity:0}}
@keyframes vt-in{from{opacity:0;transform:translateY(10px)}}
:root{interpolate-size:allow-keywords}
details::details-content{block-size:0;overflow:clip;transition:block-size .45s var(--ease),content-visibility .45s allow-discrete}
details[open]::details-content{block-size:auto}
.rv{opacity:0;transform:translateY(26px);filter:blur(3px);transition:opacity .9s var(--ease),transform .9s var(--ease),filter .9s var(--ease);transition-delay:var(--d,0ms);will-change:opacity,transform}
.rv.is-in{opacity:1;transform:none;filter:none}
.rv-clip{clip-path:inset(0 0 100% 0 round 8px);transition:clip-path 1.1s var(--ease);transition-delay:var(--d,0ms)}
.rv-clip img{transform:scale(1.08);transition:transform 1.4s var(--ease);transition-delay:var(--d,0ms)}
.rv-clip.is-in{clip-path:inset(0 0 0 0 round 8px)}
.rv-clip.is-in img{transform:none}
.bar{transition:box-shadow .35s var(--ease),background-color .35s}
.bar .brand img{transition:transform .35s var(--ease)}
.bar.scrolled{box-shadow:0 1px 0 var(--line),0 14px 30px -18px rgba(15,47,99,.55)}
.bar.scrolled .brand img{transform:scale(.88)}
.hero picture{will-change:transform}
.card,.svc-cards li,.rows li{transition:transform .45s var(--ease)}
.card:hover{transform:translateY(-4px)}
.svc-cards .fig img{transition:transform .8s var(--ease)}
.svc-cards li:hover .fig img{transform:scale(1.04)}
.rows li:hover h2 a{color:var(--blue)}
.side-links a{transition:color .2s,padding-left .3s var(--ease)}
.side-links a:hover{padding-left:.35rem}
.areas a{transition:background .25s var(--ease),border-color .25s,color .25s,transform .25s var(--ease)}
.areas a:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.98)}
img{background-color:transparent}
.fig img,.card img,.rel img{opacity:1;transition:opacity .6s var(--ease)}
.js-img img.loading{opacity:0}
@media (max-width:900px){.nav.open{animation:menu-in .35s var(--ease)}}
@keyframes menu-in{from{opacity:0;transform:translateY(-8px)}}
.promo picture,.intro figure picture{display:block}
@media (prefers-reduced-motion:reduce){.rv,.rv-clip,.rv-clip img{opacity:1!important;transform:none!important;filter:none!important;clip-path:none!important}}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}

/* Kênh liên hệ: Zalo, Email, Facebook, TikTok */
.soc{display:flex;align-items:center;gap:.5rem;list-style:none;margin:0;padding:0}
.soc a{display:grid;place-items:center;width:2.5rem;height:2.5rem;border-radius:50%;background:var(--c);color:#fff;text-decoration:none;transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.soc a[hidden]{display:none}
.soc a:hover{transform:translateY(-2px);box-shadow:0 8px 16px -8px rgba(0,0,0,.5);text-decoration:none}
.soc svg{width:1.2rem;height:1.2rem;fill:currentColor}
.soc-top{gap:.4rem}
.soc-top a{width:1.65rem;height:1.65rem;background:rgba(255,255,255,.18)}
.soc-top a:hover{background:#fff;color:var(--c);box-shadow:none}
.soc-top svg{width:.95rem;height:.95rem}
.top .t-r a.tel-top+ul{margin-left:.25rem}
.soc-foot{margin-top:1.1rem}
.soc-foot a{background:rgba(255,255,255,.14)}
.soc-foot a:hover{background:#fff;color:var(--c)}
.chan{list-style:none;margin:0;padding:0;border-top:1px solid rgba(255,255,255,.28)}
.chan li{border-bottom:1px solid rgba(255,255,255,.28)}
.chan li[hidden]{display:none}
.contact .info .chan a{display:flex;align-items:center;gap:1rem;padding:.9rem 0;text-decoration:none;color:#fff;font-size:1.0625rem}
.chan .bd{flex:none;display:grid;place-items:center;width:2.75rem;height:2.75rem;border-radius:50%;background:var(--c);color:#fff;box-shadow:0 0 0 2px rgba(255,255,255,.9)}
.chan svg{width:1.3rem;height:1.3rem;fill:currentColor}
.chan b{display:block;font:700 .75rem/1.3 var(--display);letter-spacing:.08em;text-transform:uppercase;color:#bcd0ee;margin-bottom:.1rem}
.contact .info .chan a:hover span:last-child{text-decoration:underline}
.contact .info .addr b{display:block;font:700 .75rem/1.3 var(--display);letter-spacing:.08em;text-transform:uppercase;color:#bcd0ee;margin-bottom:.2rem}
.soc svg.z,.chan svg.z{width:1.9rem;height:1.9rem}
.top .soc{gap:.4rem;margin:0 0 0 .25rem}
.top .soc li,.top .soc li+li{padding:0;border:0}
.soc-top svg.z{width:1.3rem;height:1.3rem}
@media (max-width:760px){.top .t-r{gap:.5rem}}
.top .soc svg{stroke:none}

/* Khu vực phục vụ */
.area-sec h3{margin:1.25rem 0 .75rem;font-size:.8125rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.areas{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.5rem}
.detail .areas li{margin:0}
.areas a,.areas span{display:inline-block;padding:.5rem .9rem;border:1px solid var(--line);border-radius:999px;font-size:.875rem;line-height:1.2;color:var(--navy);text-decoration:none;background:#fff;transition:background .2s,border-color .2s,color .2s}
.areas a:hover{background:var(--blue);border-color:var(--blue);color:#fff}
.areas span[aria-current]{background:var(--red);border-color:var(--red);color:#fff}
.mini-steps{list-style:none;margin:0;padding:0;counter-reset:m;max-width:65ch}
.detail .mini-steps li{position:relative;padding:0 0 1.1rem 3rem;margin:0;counter-increment:m;color:var(--muted)}
.mini-steps li::before{content:counter(m);position:absolute;left:0;top:0;width:2rem;height:2rem;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font:800 .9rem/1 var(--display)}
.mini-steps b{display:block;color:var(--navy);font-family:var(--display)}
.detail .areas{padding:0;max-width:none}

/* Trang con chuẩn SEO: bài viết, mục lục, cột phụ, thẻ blog */
.head-act{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.5rem}
.page-head .lead a{color:var(--blue);font-weight:500}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:.6rem;color:var(--muted);font-size:.9375rem}
.tag{display:inline-block;background:var(--red);color:#fff;font:700 .6875rem/1 var(--display);letter-spacing:.08em;text-transform:uppercase;padding:.4rem .6rem;border-radius:3px}
.fig{margin:0 0 2rem}
.fig img{width:100%;height:auto;border-radius:8px;background:var(--mist)}
.fig figcaption{margin-top:.5rem;font-size:.875rem;color:var(--muted)}
.prose{min-width:0}
.prose>section,.prose>.post-cta{margin-top:clamp(2rem,1.5rem + 2vw,3rem)}
.prose>section:first-of-type{margin-top:0}
.prose h2{font-size:clamp(1.35rem,1.1rem + 1vw,1.9rem);margin:clamp(2rem,1.5rem + 1.5vw,2.75rem) 0 1rem}
.prose section>h2:first-child{margin-top:0}
.prose p{margin-bottom:1rem;max-width:68ch}
.prose ul,.prose ol:not(.mini-steps){margin:0 0 1rem;padding-left:1.25rem;max-width:68ch}
.prose li{margin-bottom:.55rem}
.prose li::marker{color:var(--red)}
.prose a{color:var(--blue);text-decoration-thickness:1px}
.prose a.btn{color:#fff;text-decoration:none}
.prose a.btn-ghost{color:var(--blue)}
.prose a.btn-ghost:hover{color:#fff}
.prose .tbl{margin-bottom:1rem}
.prose .fig{margin:1.25rem 0 1.5rem}
.toc-box{background:var(--mist);border-radius:8px;padding:1.25rem 1.5rem;margin:0 0 2.5rem}
.toc-box b{font:700 .8125rem/1.3 var(--display);letter-spacing:.08em;text-transform:uppercase;color:var(--navy)}
.toc-box ol{margin:.75rem 0 0;padding-left:1.25rem;columns:2;column-gap:2rem}
.toc-box li{margin-bottom:.4rem;break-inside:avoid}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list details:first-child{border-top:2px solid var(--navy)}
.faq-list summary{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1.1rem 0;font:700 1.0625rem/1.4 var(--display);color:var(--navy);cursor:pointer;list-style:none}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"";flex:none;width:.65rem;height:.65rem;border-right:2px solid var(--red);border-bottom:2px solid var(--red);transform:rotate(45deg) translateY(-2px);transition:transform .3s var(--ease)}
.faq-list details[open] summary::after{transform:rotate(-135deg) translateY(-2px)}
.faq-list details p{padding:0 2rem 1.25rem 0;color:var(--muted)}
.side{display:grid;gap:1.5rem;align-content:start}
.side .aside{position:static}
.side .aside .btn{margin-bottom:.6rem}
.side-box{border:1px solid var(--line);border-radius:8px;padding:1.5rem}
.side-box h2{font-size:1.05rem;margin-bottom:1rem}
.side-links{list-style:none;margin:0;padding:0}
.side-links li{border-top:1px solid var(--line)}
.side-links a{display:block;padding:.7rem 0;color:var(--navy);text-decoration:none;font-weight:500}
.side-links a:hover{color:var(--red)}
.rel{list-style:none;margin:0;padding:0;display:grid;gap:1rem}
.rel a{display:grid;grid-template-columns:6.5rem 1fr;gap:.85rem;align-items:center;text-decoration:none;color:var(--navy);font:600 .9rem/1.35 var(--display)}
.rel img{width:100%;height:auto;border-radius:5px}
.rel a:hover span{color:var(--red)}
.post-cta{background:var(--blue);color:#fff;border-radius:10px;padding:clamp(1.5rem,1rem + 2vw,2.5rem)}
.post-cta h2{color:#fff;margin:0 0 .5rem!important}
.post-cta p{color:#e6eefb}
.post-cta .btn-ghost{color:#fff!important;border-color:#fff}
.post-cta .btn-ghost:hover{background:#fff;color:var(--blue)!important}
.cards{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:2rem 1.5rem}
.card{display:flex;flex-direction:column}
.card img{width:100%;height:auto;border-radius:8px;transition:transform .4s var(--ease)}
.card>a{display:block;overflow:hidden;border-radius:8px}
.card>a:hover img{transform:scale(1.03)}
.card-in{padding-top:1rem}
.card h2{font-size:1.15rem;line-height:1.3;margin:.6rem 0 .5rem}
.card h2 a{color:var(--navy);text-decoration:none}
.card h2 a:hover{color:var(--blue)}
.card p{color:var(--muted);font-size:.9375rem;line-height:1.55}
.filters{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:2rem}
.filters button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:.55rem 1rem;font:600 .875rem/1 var(--display);color:var(--navy);cursor:pointer}
.filters button.on,.filters button:hover{background:var(--blue);border-color:var(--blue);color:#fff}
.svc-cards{list-style:none;margin:0;padding:0;display:grid;gap:2.5rem}
.svc-cards li{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.3fr);gap:clamp(1.5rem,1rem + 3vw,4rem);align-items:center;padding-bottom:2.5rem;border-bottom:1px solid var(--line)}
.svc-cards .fig{margin:0}
.svc-cards .fig img{aspect-ratio:16/9;object-fit:cover}
.svc-cards h2{font-size:clamp(1.35rem,1.1rem + 1vw,1.9rem);margin-bottom:.75rem}
.svc-cards h2 a{color:var(--navy);text-decoration:none}
.svc-cards p{color:var(--muted);margin-bottom:1rem}
.svc-cards .go,.rows .go{font:700 .8125rem/1 var(--display);letter-spacing:.05em;text-transform:uppercase;color:#c1262a;text-decoration:none;border-bottom:2px solid transparent;padding:.4rem 0}
.svc-cards .go:hover{border-color:#c1262a}
.fig-wide img{aspect-ratio:16/8;object-fit:cover;object-position:50% 70%}
@media (max-width:1000px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:760px){.cards{grid-template-columns:minmax(0,1fr)}.svc-cards li{grid-template-columns:minmax(0,1fr)}.toc-box ol{columns:1}.rel a{grid-template-columns:5.5rem 1fr}}