/* ============ Chị Ơi! — Shared stylesheet ============ */
:root{
  --orange:#F26F21; --orange-dark:#D9601A; --orange-2:#FF9A4D; --orange-soft:#FFE4CF;
  --cream:#FFF8F2; --peach:#FFEFE3; --line:#F0E2D5;
  --ink:#241B14; --body:#4A3D33; --muted:#857668; --white:#fff;
  --r-sm:12px; --r:18px; --r-lg:26px; --r-xl:34px;
  --sh:0 12px 34px rgba(217,96,26,.10);
  --sh-lg:0 26px 60px rgba(217,96,26,.18);
  --container:1180px;
  --head:"Montserrat", system-ui, sans-serif;
  --text:"Nunito", system-ui, sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--text);color:var(--body);background:var(--cream);line-height:1.75;font-size:16.5px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:var(--container);margin:0 auto;padding:0 24px}
section{padding:92px 0}
h1,h2,h3,h4{font-family:var(--head);color:var(--ink);line-height:1.16;font-weight:800;letter-spacing:-.01em}

/* ---- Scroll progress bar ---- */
.progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--orange),var(--orange-2));z-index:300;transition:width .1s linear}

/* ---- Typography helpers ---- */
h2{font-size:clamp(28px,3.6vw,42px);text-align:center}
.eyebrow{display:inline-block;color:var(--orange-dark);font-family:var(--head);font-weight:700;font-size:13px;letter-spacing:.16em;text-transform:uppercase;margin-bottom:14px}
.lead{text-align:center;color:var(--muted);max-width:640px;margin:14px auto 56px;font-size:17px}
.center{text-align:center}
.accent-line{width:64px;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--orange),var(--orange-2));margin:18px auto 0}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:15px 30px;border-radius:50px;font-family:var(--head);font-weight:700;font-size:15.5px;cursor:pointer;border:none;transition:transform .25s,box-shadow .25s,background .25s;position:relative;overflow:hidden}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 24px rgba(242,111,33,.34)}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-3px);box-shadow:0 16px 32px rgba(242,111,33,.44)}
.btn-primary::after{content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;background:linear-gradient(120deg,transparent,rgba(255,255,255,.4),transparent);transform:skewX(-20deg);transition:left .6s}
.btn-primary:hover::after{left:140%}
.btn-ghost{background:#fff;color:var(--orange-dark);border:2px solid var(--orange-soft)}
.btn-ghost:hover{border-color:var(--orange);transform:translateY(-3px)}

/* ---- Logo (dựng lại, luôn hiển thị) ---- */
.logo{display:inline-flex;align-items:center;gap:12px}
.logo__mark{width:46px;height:46px;flex:0 0 auto;filter:drop-shadow(0 4px 8px rgba(242,111,33,.3))}
.logo__img{height:54px;width:auto;display:block}
.logo__text{display:flex;flex-direction:column;line-height:1.05}
.logo__text b{font-family:var(--head);font-size:23px;font-weight:800;color:var(--orange);letter-spacing:-.02em}
.logo__text small{font-size:9.5px;letter-spacing:.16em;color:var(--muted);text-transform:uppercase;margin-top:3px}

/* ---- Header + centered nav ---- */
header{position:sticky;top:0;z-index:200;background:rgba(255,248,242,.82);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:box-shadow .3s,background .3s,border-color .3s}
header.scrolled{box-shadow:0 6px 26px rgba(0,0,0,.06);background:rgba(255,248,242,.97);border-bottom-color:var(--line)}
.nav{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:80px;gap:24px}
.nav .logo{justify-self:start}
.menu{justify-self:center;display:flex;gap:32px}
.menu a{font-family:var(--head);font-weight:600;color:var(--ink);font-size:15px;position:relative;padding:4px 0;transition:color .2s}
.menu a::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:2px;background:var(--orange);border-radius:2px;transition:width .28s}
.menu a:hover,.menu a.active{color:var(--orange-dark)}
.menu a:hover::after,.menu a.active::after{width:100%}
.nav .actions{justify-self:end}
.nav-toggle{display:none;font-size:30px;background:none;border:none;color:var(--orange);cursor:pointer;line-height:1}

/* ---- Breadcrumb ---- */
.breadcrumb{padding:18px 0;font-size:14.5px;color:var(--muted);font-family:var(--head);font-weight:500}
.breadcrumb a:hover{color:var(--orange)}
.breadcrumb strong{color:var(--orange-dark);font-weight:700}

/* ---- Page hero (trang con) ---- */
.page-hero{position:relative;overflow:hidden;background:linear-gradient(160deg,#FFF8F2,#FFE4CF);padding:56px 0 64px;text-align:center}
.page-hero::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(255,154,77,.3),transparent 70%);top:-150px;right:-100px}
.page-hero h1{position:relative;font-size:clamp(30px,4.6vw,46px)}
.page-hero p{position:relative;color:var(--muted);max-width:600px;margin:14px auto 0;font-size:17px}

/* ---- Home hero ---- */
.hero{position:relative;overflow:hidden;background:linear-gradient(160deg,#FFF8F2 0%,#FFE1C9 100%);padding:60px 0 100px}
.hero .blob{position:absolute;border-radius:50%;background:radial-gradient(circle,rgba(255,154,77,.35),transparent 70%);animation:float 9s ease-in-out infinite}
.hero .blob.b1{width:520px;height:520px;top:-170px;right:-120px}
.hero .blob.b2{width:300px;height:300px;bottom:-120px;left:-100px;animation-delay:-3s}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(33px,5vw,56px);margin-bottom:20px}
.hero h1 em{color:var(--orange);font-style:normal}
.hero .desc{font-size:18px;color:var(--muted);margin-bottom:30px;max-width:520px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:42px;margin-top:44px}
.hero-stats b{display:block;font-family:var(--head);font-size:32px;font-weight:800;color:var(--orange-dark)}
.hero-stats span{color:var(--muted);font-size:14px}
.hero-photo{position:relative;animation:float 7s ease-in-out infinite}
.hero-badge{position:absolute;left:-24px;bottom:34px;z-index:3;background:#fff;border-radius:var(--r);padding:16px 20px;box-shadow:var(--sh);display:flex;align-items:center;gap:14px;animation:none}
.hero-badge .dot{width:46px;height:46px;border-radius:50%;background:var(--peach);display:grid;place-items:center;color:var(--orange-dark);font-family:var(--head);font-weight:800}
.hero-badge b{display:block;font-family:var(--head);font-size:17px;color:var(--ink)}
.hero-badge span{font-size:12.5px;color:var(--muted)}

/* ---- Image placeholder (ảnh đồng phục thật sẽ thay vào) ---- */
.ph{position:relative;overflow:hidden;border-radius:var(--r-lg);background:linear-gradient(150deg,var(--orange),var(--orange-2))}
.ph .ph__fb{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:#fff;text-align:center;padding:18px}
.ph .ph__fb svg{width:52px;height:52px;opacity:.95}
.ph .ph__fb b{font-family:var(--head);font-weight:700;font-size:16px}
.ph .ph__fb small{font-size:11.5px;opacity:.85;font-style:italic}
.ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:2;transition:transform .65s ease}

/* ---- Services grid ---- */
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.svc{background:#fff;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);transition:transform .32s,box-shadow .32s;display:flex;flex-direction:column}
.svc:hover{transform:translateY(-8px);box-shadow:var(--sh-lg)}
.svc .ph{height:200px;border-radius:0}
.svc:hover .ph img{transform:scale(1.08)}
.svc-body{padding:24px 22px 28px;display:flex;flex-direction:column;flex:1}
.svc-body h3{font-size:20px;margin-bottom:8px}
.svc-body p{color:var(--muted);font-size:15px;flex:1}
.svc-body .price{margin-top:14px;font-family:var(--head);font-weight:700;color:var(--orange-dark);font-size:15px}
.svc-body .more{display:inline-block;margin-top:10px;color:var(--orange-dark);font-family:var(--head);font-weight:700;font-size:14px}

/* ---- Pillars ---- */
.pillar-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.pillar{padding:38px 30px;border-radius:var(--r-lg);background:#fff;border:1px solid var(--line);position:relative;transition:transform .3s,box-shadow .3s;box-shadow:var(--sh)}
.pillar:hover{transform:translateY(-6px);box-shadow:var(--sh-lg)}
.pillar .idx{font-family:var(--head);font-size:15px;font-weight:800;color:var(--orange)}
.pillar h3{font-size:22px;margin:10px 0}
.pillar p{color:var(--muted)}
.pillar .bar{position:absolute;left:0;top:34px;width:4px;height:48px;background:linear-gradient(var(--orange),var(--orange-2));border-radius:0 4px 4px 0}

/* ---- Steps ---- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{text-align:center;padding:14px;position:relative}
.step .num{width:66px;height:66px;border-radius:50%;background:linear-gradient(140deg,var(--orange),var(--orange-2));color:#fff;font-family:var(--head);font-size:27px;font-weight:800;display:grid;place-items:center;margin:0 auto 18px;box-shadow:0 12px 24px rgba(242,111,33,.32)}
.step h3{font-size:18px;margin-bottom:6px}
.step p{color:var(--muted);font-size:14.5px}

/* ---- Pricing ---- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:stretch}
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:34px 30px;box-shadow:var(--sh);display:flex;flex-direction:column;transition:transform .3s}
.plan:hover{transform:translateY(-6px)}
.plan.popular{border:2px solid var(--orange);position:relative}
.plan.popular::before{content:"Phổ biến";position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--orange);color:#fff;font-family:var(--head);font-weight:700;font-size:12px;padding:5px 16px;border-radius:50px}
.plan h3{font-size:20px}
.plan .amt{font-family:var(--head);font-size:34px;font-weight:800;color:var(--orange-dark);margin:10px 0 4px}
.plan .amt small{font-size:15px;color:var(--muted);font-weight:600}
.plan ul{list-style:none;margin:18px 0 24px;flex:1}
.plan li{padding:8px 0 8px 28px;position:relative;color:var(--body)}
.plan li::before{content:"";position:absolute;left:0;top:15px;width:16px;height:16px;border-radius:50%;background:var(--orange-soft)}
.plan li::after{content:"";position:absolute;left:5px;top:18px;width:5px;height:9px;border:solid var(--orange-dark);border-width:0 2px 2px 0;transform:rotate(45deg)}

/* ---- CTA banner ---- */
.combo{position:relative;border-radius:var(--r-xl);overflow:hidden;color:#fff;text-align:center;padding:78px 30px}
.combo .ph{position:absolute;inset:0;border-radius:0;z-index:-2}
.combo::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(217,96,26,.94),rgba(242,111,33,.8));z-index:-1}
.combo h2{color:#fff}
.combo .big{font-family:var(--head);font-size:clamp(46px,8vw,74px);font-weight:800;margin:6px 0}
.combo p{max-width:560px;margin:0 auto 26px;opacity:.96}
.combo .btn-primary{background:#fff;color:var(--orange-dark)}
.combo .btn-primary:hover{background:var(--cream)}

/* ---- Article + TOC ---- */
.article-wrap{display:grid;grid-template-columns:270px 1fr;gap:46px;align-items:start}
.toc{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;position:sticky;top:104px}
.toc h4{margin-bottom:14px;color:var(--orange-dark);font-size:16px}
.toc a{display:block;color:var(--muted);padding:8px 0;font-size:15px;border-bottom:1px dashed var(--line);transition:color .2s,padding .2s}
.toc a:hover{color:var(--orange);padding-left:6px}
.article h3{font-size:24px;margin:30px 0 12px}
.article h3:first-child{margin-top:0}
.article p{margin-bottom:14px}
.article ul{margin:0 0 16px 20px}
.article li{margin-bottom:6px}

/* ---- FAQ ---- */
.faq{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden;transition:box-shadow .25s}
.faq-item.open{box-shadow:var(--sh)}
.faq-q{padding:20px 24px;font-family:var(--head);font-weight:700;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-q .pm{flex:0 0 auto;width:24px;height:24px;position:relative}
.faq-q .pm::before,.faq-q .pm::after{content:"";position:absolute;background:var(--orange);border-radius:2px;top:50%;left:50%;transform:translate(-50%,-50%)}
.faq-q .pm::before{width:14px;height:2px}
.faq-q .pm::after{width:2px;height:14px;transition:transform .3s,opacity .3s}
.faq-item.open .pm::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;color:var(--muted);transition:max-height .35s ease,padding .35s ease;padding:0 24px}
.faq-item.open .faq-a{max-height:320px;padding:0 24px 22px}

/* ---- Contact / NAP ---- */
.nap{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.nap div{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px 24px;text-align:center;box-shadow:var(--sh)}
.nap small{display:block;color:var(--orange-dark);font-family:var(--head);font-weight:700;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px}
.nap b{font-size:17px;font-weight:700;color:var(--ink)}

/* ---- Footer ---- */
footer{background:#241B14;color:#cdbdae;padding:64px 0 28px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:36px}
footer h4{color:#fff;margin-bottom:16px;font-size:16px}
footer a{color:#cdbdae;display:block;padding:5px 0;transition:color .2s}
footer a:hover{color:var(--orange-2)}
.foot-brand p{color:#a8978a;max-width:330px;margin-top:14px;font-size:15px}
.foot-brand .logo__text b{color:#fff}
.foot-brand .logo__text small{color:#a8978a}
.copy{border-top:1px solid #3a2d22;padding-top:22px;text-align:center;font-size:14px;color:#8c7d70}

/* ---- Floating CTA ---- */
.float{position:fixed;right:20px;bottom:20px;z-index:250;display:flex;flex-direction:column;gap:14px}
.float a{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;color:#fff;box-shadow:0 8px 20px rgba(0,0,0,.22);transition:transform .25s}
.float a:hover{transform:scale(1.12)}
.float a svg{width:26px;height:26px;fill:#fff}
.float .call{background:#1aac4b;animation:ring 1.8s infinite}
.float .zalo{background:#0068ff;font-family:var(--head);font-weight:800;font-size:13px;font-style:italic}
.float .fb{background:#0866ff;font-family:var(--head);font-weight:800;font-size:22px}

/* ---- Animations ---- */
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
@keyframes ring{0%{box-shadow:0 0 0 0 rgba(26,172,75,.5)}70%{box-shadow:0 0 0 16px rgba(26,172,75,0)}100%{box-shadow:0 0 0 0 rgba(26,172,75,0)}}
/* MẶC ĐỊNH HIỆN nội dung — mở không có JS (vd iOS Files/Quick Look) vẫn thấy đủ, không trắng trang.
   Chỉ ẩn + chạy hiệu ứng khi JS bật (html.js được thêm bởi script inline ở <head>). */
html.js .reveal{opacity:0;transform:translateY(36px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
html.js .reveal.left{transform:translateX(-46px)}
html.js .reveal.right{transform:translateX(46px)}
html.js .reveal.zoom{transform:scale(.9)}
html.js .reveal.in{opacity:1;transform:none}
html.js .reveal.d1{transition-delay:.12s}html.js .reveal.d2{transition-delay:.24s}html.js .reveal.d3{transition-delay:.36s}html.js .reveal.d4{transition-delay:.48s}

/* ---- Responsive ---- */
@media(max-width:980px){
  .hero-grid,.article-wrap{grid-template-columns:1fr}
  .hero-photo .ph,.hero-photo{height:auto}
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .pillar-grid,.steps,.price-grid,.nap,.foot-grid{grid-template-columns:1fr}
  .toc{position:static}
  .nav{grid-template-columns:1fr auto}
  .menu{display:none}
  .nav .actions{display:none}
  .nav-toggle{display:block;justify-self:end}
  .menu.show{display:flex;position:absolute;top:80px;left:0;right:0;flex-direction:column;gap:16px;background:#fff;padding:24px;box-shadow:var(--sh);text-align:center}
}
@media(max-width:560px){ .svc-grid{grid-template-columns:1fr} .hero-stats{gap:26px} section{padding:64px 0} }
@media(prefers-reduced-motion:reduce){ .reveal{opacity:1;transform:none;transition:none} .hero-photo,.hero .blob{animation:none} }
/* Nếu trình duyệt TẮT JavaScript: hiện toàn bộ nội dung, không để trắng trang */
@media(scripting:none){ .reveal{opacity:1 !important;transform:none !important} }
noscript .reveal,.no-js .reveal{opacity:1;transform:none}