/* PT Express — public styles */
:root{
  --brand:#0B8C4E;      /* xanh lá — màu logo PT Express */
  --brand-dark:#076B3B;
  --accent:#FF6B00;     /* cam nhấn */
  --accent-dark:#D95800;
  --ink:#16181D;
  --gray:#667085;
  --line:#E4E7EC;
  --bg:#FFFFFF;
  --bg-soft:#F3F8F5;
  --dark:#052E1C;
  --radius:14px;
  --shadow:0 10px 40px rgba(5,46,28,.10);
  --shadow-lg:0 24px 60px rgba(5,46,28,.18);
  --maxw:1180px;
  --font:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.center{text-align:center}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--accent-dark);margin-bottom:12px}
h1,h2,h3,h4{line-height:1.2;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.sec-title{font-size:clamp(26px,3.8vw,40px);margin-bottom:14px}
.sec-sub{font-size:17px;color:var(--gray);max-width:640px;margin:0 auto}
.section{padding:84px 0}
.bg-soft{background:var(--bg-soft)}
.empty{color:var(--gray);text-align:center;padding:30px}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--font);font-weight:700;font-size:15px;padding:13px 24px;border-radius:10px;cursor:pointer;border:none;transition:.22s;white-space:nowrap}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 22px rgba(11,140,78,.30)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 22px rgba(255,107,0,.34)}
.btn-accent:hover{background:var(--accent-dark);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border:2px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-zalo{background:#0068FF;color:#fff}
.btn-zalo:hover{filter:brightness(1.1)}

/* ---- topbar + nav ---- */
.topbar{background:var(--dark);color:#b9d3c4;font-size:13px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:38px;gap:14px}
.topbar a{color:#fff}
.tb-left{display:flex;gap:20px;align-items:center}
.tb-right{display:flex;gap:8px;align-items:center}
.lang-link{font-weight:700;padding:2px 7px;border-radius:5px;color:#b9d3c4}
.lang-link.active{background:var(--accent);color:#fff}
.lang-sep{color:#1c4a33}
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:.3s}
.nav.scrolled{box-shadow:0 6px 24px rgba(10,24,48,.08)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:14px}
.logo{display:flex;align-items:center;gap:10px}
.logo-mark{height:50px;width:auto;flex-shrink:0}
.logo-text{font-weight:800;font-size:19px;letter-spacing:-.02em;color:var(--ink);line-height:1.1}
.logo-text b{color:var(--accent)}
.logo-text small{display:block;font-size:9.5px;font-weight:600;letter-spacing:1.6px;color:var(--gray);text-transform:uppercase}
nav ul{display:flex;list-style:none;gap:4px;align-items:center}
nav ul a{font-weight:600;font-size:15px;padding:9px 13px;border-radius:8px;transition:.2s}
nav ul a:hover{color:var(--brand);background:var(--bg-soft)}
.nav-cta{display:flex;align-items:center;gap:10px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.burger span{width:24px;height:2.5px;background:var(--ink);border-radius:2px}

/* ---- hero + scene hoạt hình ---- */
.hero{background:linear-gradient(135deg,var(--dark) 0%,#07482B 55%,var(--brand) 100%);color:#fff;position:relative;overflow:hidden;padding:76px 0 100px}
.hero-scene{position:absolute;inset:0;width:100%;height:100%;opacity:.85;pointer-events:none}
.hs-cloud{animation:drift 26s linear infinite}
.hs-cloud.c2{animation-duration:34s;animation-delay:-12s}
.hs-cloud.c3{animation-duration:42s;animation-delay:-20s}
@keyframes drift{from{transform:translateX(-8%)}to{transform:translateX(8%)}}
@media(prefers-reduced-motion:reduce){.hs-cloud{animation:none}}
.hero-wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:9px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);padding:7px 15px;border-radius:50px;font-size:13px;font-weight:600;margin-bottom:22px}
.hero-badge .dot{width:8px;height:8px;background:#39d98a;border-radius:50%;box-shadow:0 0 0 4px rgba(57,217,138,.25);animation:pulse 2s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 8px rgba(57,217,138,0)}}
.hero h1{color:#fff;font-size:clamp(30px,4.6vw,52px);font-weight:900;margin-bottom:18px}
.hero .hl{color:var(--accent)}
.hero .lead{font-size:18px;color:#d5ecdf;margin-bottom:28px;max-width:560px}
.hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin-bottom:36px}
.hero-stats{display:flex;gap:36px;flex-wrap:wrap}
.hero-stats .num{font-size:32px;font-weight:900;color:#fff}
.hero-stats .num span{color:#fff}
.hero-stats .lbl{font-size:13px;color:#9cc4ac;font-weight:500}

.track-card{background:#fff;border-radius:16px;padding:28px;box-shadow:var(--shadow-lg);color:var(--ink)}
.track-card h3{font-size:20px;margin-bottom:6px}
.tc-sub{font-size:14px;color:var(--gray);margin-bottom:18px}
.track-input{display:flex;border:2px solid var(--line);border-radius:11px;overflow:hidden}
.track-input:focus-within{border-color:var(--brand)}
.track-input input{flex:1;border:none;outline:none;padding:14px 15px;font-family:var(--font);font-size:15px;min-width:0}
.track-input button{border:none;background:var(--accent);color:#fff;padding:0 22px;font-family:var(--font);font-weight:800;cursor:pointer;font-size:14px}
.track-input button:hover{background:var(--accent-dark)}
.track-alt{display:flex;gap:10px;flex-wrap:wrap}

/* ---- marquee ---- */
.marquee{background:var(--dark);overflow:hidden;border-top:1px solid rgba(255,255,255,.06)}
.mq-track{display:flex;white-space:nowrap;animation:scroll 24s linear infinite;width:max-content;padding:18px 0}
.mq-track span{color:#3f7a5c;font-weight:700;font-size:14px;letter-spacing:.5px}
.mq-set{display:inline-flex;align-items:center;gap:46px;padding-right:46px}
.mq-set img{height:30px;width:auto;background:#fff;padding:9px 18px;border-radius:12px;box-shadow:0 5px 14px rgba(0,0,0,.22);box-sizing:content-box}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ---- features ---- */
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:48px}
.feat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;transition:.3s}
.feat:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.feat .ic{font-size:34px;margin-bottom:14px}
.feat h3{font-size:17px;margin-bottom:8px}
.feat p{font-size:14px;color:var(--gray)}

/* ---- services ---- */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:48px}
.svc-grid-5{grid-template-columns:repeat(3,1fr)}
.svc{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;transition:.3s;position:relative;overflow:hidden}
.svc:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.svc-art{border-radius:12px;overflow:hidden;margin-bottom:16px}
.svc-art img{width:100%;height:auto;display:block;transition:.4s;aspect-ratio:640/440;object-fit:cover}
.svc:hover .svc-art img{transform:scale(1.05)}
.svc h3{font-size:18px;margin-bottom:8px}
.svc p{font-size:14.5px;color:var(--gray);margin-bottom:14px}
.svc-more{font-weight:700;font-size:14px;color:var(--brand)}
.svc-more:hover{color:var(--accent-dark)}

/* ---- about (ảnh thật) ---- */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.about-photos{position:relative;padding:0 26px 64px 0}
.about-photos .ph1{border-radius:16px;box-shadow:var(--shadow);width:100%}
.about-photos .ph2{position:absolute;right:0;bottom:0;width:42%;border-radius:14px;border:5px solid #fff;box-shadow:var(--shadow-lg)}
.about-text{color:var(--gray);margin-bottom:18px;font-size:16px}
.about-ticks{list-style:none;margin:0 0 24px;display:flex;flex-direction:column;gap:10px;font-weight:600;font-size:15px}
.about-ticks li::before{content:"✓";color:var(--brand);font-weight:900;margin-right:10px}

/* ---- stats banner ---- */
.stats-banner{background:linear-gradient(120deg,var(--brand) 0%,var(--brand-dark) 65%,var(--dark) 100%);color:#fff;padding:52px 0}
.sb-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;text-align:center}
.sb-grid .num{font-size:40px;font-weight:900}
.sb-grid .lbl{font-size:14px;color:rgba(255,255,255,.85)}
.sb-grid .item:not(:last-child){border-right:1px solid rgba(255,255,255,.2)}

/* ---- process (6 bước) ---- */
.proc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:48px}
.proc-grid-6{grid-template-columns:repeat(3,1fr);gap:28px 34px}
.proc{position:relative;background:var(--bg-soft);border-radius:14px;padding:22px 22px 20px;transition:.3s}
.proc:hover{background:var(--brand);color:#fff}
.proc:hover h3{color:#fff}
.proc:hover p{color:#cfe8da}
.proc:hover .pn{color:rgba(255,255,255,.25)}
.proc .pn{font-size:44px;font-weight:900;color:rgba(11,140,78,.18);line-height:1}
.proc h3{font-size:16.5px;margin:6px 0 4px}
.proc p{font-size:13.5px;color:var(--gray)}

/* ---- offices ---- */
.office-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:48px}
.office{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;transition:.3s}
.office:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.off-city{font-weight:800;font-size:17px;margin-bottom:8px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.off-tag{font-size:11px;font-weight:800;background:var(--accent);color:#fff;padding:2px 9px;border-radius:20px;letter-spacing:.5px}
.office p{font-size:14px;color:var(--gray);margin-bottom:12px;min-height:42px}
.off-links{font-size:13.5px;font-weight:600}
.off-links a{color:var(--brand)}
.off-links a:hover{color:var(--accent-dark)}

/* ---- news ---- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.3s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.news-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--bg-soft)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.news-card:hover .news-thumb img{transform:scale(1.06)}
.card-noimg{width:100%;height:100%;display:grid;place-items:center;background:linear-gradient(135deg,var(--bg-soft),#dff0e6)}
.card-noimg img{width:110px;height:auto;opacity:.55}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.news-meta{font-size:12.5px;color:var(--gray);margin-bottom:8px}
.news-body h3{font-size:17px;line-height:1.4;margin-bottom:8px}
.news-body h3 a:hover{color:var(--brand)}
.news-body p{font-size:14px;color:var(--gray);flex:1}
.news-more{font-weight:700;font-size:14px;color:var(--brand);margin-top:12px}
.news-more:hover{color:var(--accent-dark)}

/* ---- testimonials ---- */
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px}
.testi{background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px}
.testi .stars{color:var(--accent);font-size:16px;letter-spacing:2px;margin-bottom:12px}
.testi p{font-size:14.5px;margin-bottom:18px}
.testi .who{display:flex;align-items:center;gap:12px}
.testi .av{width:42px;height:42px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:800;font-size:16px}
.testi img.av{object-fit:cover}
.testi .who b{font-size:14.5px;display:block}
.testi .who span{font-size:13px;color:var(--gray)}

/* ---- CTA banner ---- */
.cta-banner{background:var(--dark);color:#fff;padding:56px 0}
.cta-wrap{display:flex;justify-content:space-between;align-items:center;gap:26px;flex-wrap:wrap}
.cta-banner h2{color:#fff;font-size:clamp(22px,3vw,30px);margin-bottom:6px}
.cta-banner p{color:#9cc4ac;max-width:540px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---- page head ---- */
.page-head{background:linear-gradient(135deg,var(--dark),#07482B);color:#fff;padding:56px 0 48px}
.page-head h1{color:#fff;font-size:clamp(26px,3.6vw,38px);margin-bottom:10px}
.page-head p{color:#c7e4d2;max-width:700px;font-size:16px}

/* ---- pager ---- */
.pager{display:flex;justify-content:center;gap:16px;align-items:center;margin-top:40px;font-weight:600}
.pager a{color:var(--brand);padding:8px 16px;border:1.5px solid var(--line);border-radius:9px}
.pager a:hover{border-color:var(--brand)}
.pager span{color:var(--gray);font-size:14px}

/* ---- article page ---- */
.article-container{max-width:800px}
.article-page{padding:36px 0 80px}
.breadcrumb{font-size:13.5px;color:var(--gray);margin-bottom:18px}
.breadcrumb a{color:var(--brand)}
.article-title{font-size:clamp(26px,3.6vw,38px);margin-bottom:12px}
.article-meta{font-size:14px;color:var(--gray);margin-bottom:22px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.article-cover{margin:0 0 24px;border-radius:14px;overflow:hidden}
.article-content{font-size:16.5px;line-height:1.8}
.article-content h2{font-size:24px;margin:30px 0 12px}
.article-content h3{font-size:19px;margin:24px 0 10px}
.article-content p{margin:14px 0}
.article-content ul,.article-content ol{margin:14px 0 14px 24px}
.article-content li{margin:6px 0}
.article-content img{border-radius:12px;margin:18px 0}
.article-content a{color:var(--brand);text-decoration:underline}
.article-content blockquote{border-left:4px solid var(--accent);background:var(--bg-soft);padding:12px 18px;border-radius:0 10px 10px 0;margin:18px 0}
.article-share{margin:28px 0;padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:14.5px;color:var(--gray)}
.article-share a{font-weight:700;color:var(--brand);margin-left:12px}
.article-cta{background:var(--bg-soft);border:1px solid var(--line);border-radius:14px;padding:22px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin:26px 0;font-size:15px}
.related-title{font-size:22px;margin-top:44px}

/* ---- contact page ---- */
.contact-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:44px;align-items:start}
.contact-info .ci{margin-bottom:14px;display:flex;flex-direction:column;gap:2px}
.contact-info .ci b{font-size:13.5px;color:var(--gray)}
.contact-info .ci a{color:var(--brand);font-weight:700}
.off-list{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.off-item{background:var(--bg-soft);border-radius:10px;padding:12px 14px;font-size:14px}
.off-item b{display:block;font-size:14px}
.off-item span{color:var(--gray)}
.off-item a{color:var(--brand);font-weight:600;font-size:13px}
.map{width:100%;height:240px;border:none;border-radius:14px;margin-top:16px}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:var(--shadow)}
.contact-form label{display:block;font-weight:600;font-size:13.5px;margin-bottom:14px}
.contact-form input,.contact-form textarea,.contact-form select{width:100%;margin-top:6px;padding:12px 13px;border:1.5px solid var(--line);border-radius:9px;font-family:var(--font);font-size:14.5px;outline:none;background:#fff}
.contact-form input:focus,.contact-form textarea:focus,.contact-form select:focus{border-color:var(--brand)}
.contact-form .btn{width:100%;justify-content:center}
.form-ok{display:none;background:#e6f6ec;color:#177245;border-radius:9px;padding:13px;font-weight:600;font-size:14px;margin-top:14px;text-align:center}
.form-ok.show{display:block}

/* ---- footer ---- */
footer{background:#03200F;color:#8fa89a;padding:60px 0 26px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.08)}
.foot-brand p{font-size:14px;margin:14px 0}
.foot-contact{line-height:1.9}
.foot-contact a{color:#fff}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.foot-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.foot-col a{font-size:14px}
.foot-col a:hover{color:var(--accent)}
.foot-bottom{padding-top:22px;font-size:13px;text-align:center}
.zalo-fab{position:fixed;right:18px;bottom:18px;background:#0068FF;color:#fff;font-weight:800;padding:13px 18px;border-radius:50px;box-shadow:0 10px 26px rgba(0,104,255,.4);z-index:90;font-size:14px}
.zalo-fab:hover{transform:translateY(-3px)}

/* ---- responsive ---- */
@media(max-width:1000px){
  nav ul{display:none}
  .nav-cta .btn{display:none}
  .burger{display:flex}
  nav.open ul{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:12px;box-shadow:var(--shadow)}
  nav.open ul a{display:block;padding:13px}
  .hero-wrap{grid-template-columns:1fr;gap:36px}
  .about-grid{grid-template-columns:1fr}
  .feat-grid{grid-template-columns:1fr 1fr}
  .svc-grid,.svc-grid-5{grid-template-columns:1fr 1fr}
  .proc-grid-6{grid-template-columns:1fr 1fr}
  .office-grid{grid-template-columns:1fr 1fr}
  .news-grid,.testi-grid{grid-template-columns:1fr 1fr}
  .sb-grid{grid-template-columns:1fr 1fr;gap:28px 0}
  .sb-grid .item:nth-child(2){border-right:none}
  .contact-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .section{padding:60px 0}
  .feat-grid,.svc-grid,.svc-grid-5,.proc-grid-6,.office-grid,.news-grid,.testi-grid,.foot-grid{grid-template-columns:1fr}
  .tb-hide{display:none}
  .hero{padding:52px 0 68px}
}